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The JR Chess Report (September 27): Kasparov and Karpov Celebrate Their Rivalry

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:03 AM
Original message
The JR Chess Report (September 27): Kasparov and Karpov Celebrate Their Rivalry
Edited on Sun Sep-27-09 02:08 AM by Jack Rabbit
Kasparov and Karpov Celebrate Rivalry in Rapid/Blitz Match



Garry Kasparov won three out of four rapid games and five out of eight blitz games to win his much anticipated exhibition match against his old rival, Anatoly Karpov, in Valencia, Spain last week by a 9-3 score.

The match began Tuesday with two rapid games on the twenty-fifth anniversary of the start of 1984 world championship match between the two legendary chess players. Between 1984 and 1990, the two would play five matches with the world chess championship at stake in each. The first match was abandoned after 48 games, Kasparov narrowly won the second and third, the fourth ended in a 12-12 tie with Kasparov retaining the title and Kasparov won the 1990 match 12½-11½.

There will be another rapid/blitz match between the two great rivals in Paris in December.

By winning the second match in 1985, Kasparov, then 22, became the youngest ever world chess champion.

Kasparov, now 46, is today a leader of the political opposition to Russian strongman Vladimir Putin and has only engaged in occasional chess exhibitions or rapid/blitz matches since announcing his retirement after the Linares Tournament of 2005, in which Kasparov shared first prize with Bulgarian GM Veselin Topalov.

Karpov is reputed to be the wealtiest man in Russia with investments in petroleum production. He seldom plays in a standard time control chess tournament nowadays, reserving most of his energy to rapid tournaments and exhibitions.

The rivalry betweeen the two is rightly regarded one of the greatest in sports history.


Sutovsky Runs off with Antwerp Tournament

http://2.bp.blogspot.com/_Q0lTtPVTG40/SrRwFX0Kq9I/AAAAAAAA8dI/RP-TbqRguVo/s400/AOL+Beta+-+Connected,+Signed-On+9192009+124250+AM.jpg

Israeli grandmaster Emil Sutovsky, his country's second ranked player behind Boris Gelfand, won the nventi Chess Tournament in Antwerp with 7 points out of a possible 9.

GMs Etienne Bacrot of France and Krishnan Sasikiran of India tied for a distant second with 5½ points each.


SPICE Cup: Three Grandmasters Tied with Four Wins among Them

http://4.bp.blogspot.com/_Q0lTtPVTG40/Sqlz4zfpsTI/AAAAAAAA7_o/FabWgEut9uc/S217/2009+SPICE+Cup+TTU+Cover+2.tif.jpg

In a tournament featuring a number of fighting draws but few decisive games, three grandmasters go into today's eighth round tied for first place in the SPICE Cup Tournament on the campus of Texas Tech University in Lubbock.

They are Jon Ledvig Hammer of Norway, Ukrainian Yuriy Kuzubov and Russia's Dmitry Andreikin. Jon Ludvig is the only player in the tournament with two victories to his credit; Kuzubov and Andreikin each have one win and seven draws.

A B-Group tournament is taking place at the same time. In that tournament, American IM Ben Feingold clinched his final necessary grandmaster norm today. Feingold, with 6 points out of eight, leads the B-Group by one point over American GMs Vinay Bhat and Eugene Perelshteyn and 14-year-old IM Ray Robson. Young Robson needs a win tomorrow to secure his final GM norm. If he is successful, he will become the youngest American chess grandmaster ever, a distinction currently held by the late Bobby Fischer.

The B-Group tournament ends tomorrow while the A-Group will fight it out until Tuesday.

The event was organized by the Susan Polgar Institute for Chess Excellence (SPICE), which is affiliated with Texas Tech University.


Short Bests Efimenko in 6-Game Match



Resurgent British GM Nigel Short defeated Zahar Efimenko of Ukraine in a six-game match with two wins against one last week in the western Ukrainian town of Mukachevo.

Efimenko, 20 years younger than his opponent, struck in round one with a victory with Black, but Short came back in round 2 to score a Black win of his own. Rounds three and four were drawn, but Short scored in his final White game in round five before the sixth round was drawn yesterday, ending the match.

The match was organized by UEP, which also organized last year's Anand-Kramnik world championship match in Bonn, Germany.


Wang Yue and Hou Yifan Crowned in Jinzhou



Grandmasters Wang Yue and Hou Yifan are the King and Queen of Chinese Chess after winning their repective groups at the Maotai Prince Cup National Tournament in Jinzhou last week.

Each division (men's and women's) played seven rounds.

Wang took 5 points to beat out fellow grandmaster Wang Hao by a half point. Ms. Hou scored 5½ points and needed a final-round victory over reigning Chinese women's champion Shen Yang edge Ju Wengen by a half point.




Calendar


Second Pearl Spring Tournament, Nanjing 28 September-9 October. 10 rounds. Carlsen, Jakovenko, Leko, Radjabov, Topalov, Wang Yue.

Women's FIDE Grand Prix, Nanjing 28 September-9 October. 11 Rounds. Zhao Xue, Ju Wengen, Dzagnidze, Sebag, Xu Yuhua, Zhu Chen, Mkrtchian, Shen Yang, Batkuyag, Kovanova, Fierro, Yildiz.

World Junior Championship, Mar del Plata (Argentina) 16-29 October.

European Club Cup (Team Championship), Novi Sad (Serbia) 21-31 October.

Tal Memorial Tournament, Moscow 5-14 November. Anand, Aronian, Carlsen, Gelfand, Ivanchuk, Kramnik, Leko, Morozevich, Ponomariov and Svidler.

World Cup, Khanty Mansiysk 28 November-15 December.

London Chess Classic 7-16 December.

Corus Chess Tournament, Wijk aan Zee 15-31 January 2010. Nakamura has been invited to play in group A.

Anand-Topalov Match for the World Title, Site TBA c. April 2010.
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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:09 AM
Response to Original message
1. This Week's Games

Your humble hare acknowledges the assistance of Fritz 6.0 on analysis.

Diagrams on the Jack Rabbit Chess Report are made with Chess Mérida, a true type font that can be downlaoded free here.

BLACK
!""""""""#
$tMvWlVmT%
$OoOoOoOo%
$ + + + +%
$+ + + + %
$ + + + +%
$+ + + + %
$pPpPpPpP%
$RnBqKbNr%
/(((((((()

WHITE
White to move
(This position is a theoretical draw)



I would like to thank my impressive and loyal staff: Buccaneer, Spitfire, Swashbuckler, Pancho and Robin Hood

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:11 AM
Response to Reply #1
2. From here and there


Photo by Rasbak, Wikipedia

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:12 AM
Response to Reply #2
3. Giri - Nijboer, Dutch Natioanal Championship, Haaksbergen



Anish Giri
Photo: Dr.John Nunn in ChessBase.com


Anish Giri - Friso Nijboer
Dutch National Championship, Round 7
Haaksbergen, 18 September 2009

West India Game: King's Indian Defense (Main Line)


1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 0-0 6.Be2 e5 7.0-0 Nc6 8.d5 Ne7

  • For a survey of this opening and moves up to here, see Ivanchuk-Grischuk, Grand Prix, Nalchik, 2009.

9.Ne1

  • If 9.Nd2 then:
    • If 9...a5 10.a3 then:
      • If 10...Nd7 11.Rb1 f5 12.b4 Kh8 13.f3 Ng8 14.Qc2 Ngf6 15.Bd3 f4 16.Nb5 b6 17.Bb2 then:
        • 17...Ne8 18.Be2 h5 19.c5 bxc5 20.bxc5 Nxc5 21.a4 Rf7 22.Rfc1 g5 23.Ba3 Bf8 24.Bxc5 dxc5 25.Nb3 g4 26.Nxc5 gives White the advantage in space (Gurevich-van Wely, Op, Wijk aan Zee, 1993).
        • If 17...g5 18.Be2 h5 19.c5 bxc5 20.bxc5 Nxc5 21.Bxe5 then:
          • 21...g4 22.fxg4 Nxg4 23.Bxg7+ Kxg7 24.Nb3 Na6 25.Qc3+ gives Black a strong game on the queenside (Gurevich-Khalifman, IT, Munich, 1992).
          • 21...dxe5 22.Qxc5 Ne8 23.Rfc1 Rf6 24.Qc3 White must win a pawn.
      • If 10...Bd7 11.b3 c6 12.Bb2 then:
        • 12...Bh6 13.c5 dxc5 14.Nc4 cxd5 15.exd5 Nf5 16.Nxe5 Nd4 17.Bc4 Bf5 is equal (Sherbakov-Korotylev, Op, Pardubice, 1996).
        • 12...c5 13.Nb5 Ne8 14.b4 axb4 15.axb4 Rxa1 16.Qxa1 Bh6 17.Nxd6 Nxd6 18.bxc5 Bxd2 19.cxd6 Nc8 20.c5 f6 21.Rb1 b6 22.c6 Nxd6 23.cxd7 Qxd7 24.Bd3 Rc8 25.Rd1 gives White a more active game (Hefka-Kazoks, Corres, 1999).
    • If 9...c5 10.Rb1 Ne8 11.b4 b6 12.bxc5 bxc5 13.Nb3 f5 14.Bg5 h6 15.Bxe7 Qxe7 16.Na5 Nf6 17.Nc6 Qe8 18.Bd3 Rf7 19.Rb3 f4 20.Be2 Bf8 21.Qc2 Bd7 22.Rfb1 is equal (Gurevich-Hebden, IT, Clichy, 2001).

9...Nd7 10.Nd3

  • If 10.Be3 f5 11.f3 f4 12.Bf2 g5 13.a4 Ng6 14.a5 then:
    • 14...h5 15.Nb5 Nf6 16.Nxa7 Bd7 17.c5 g4 18.c6 g3 19.hxg3 fxg3 20.Bxg3 Rxa7 21.cxd7 h4 22.Bf2 Ra8 23.Nc2 Bh6 24.Ne3 Bf4 25.Nf5 Nh5 26.Bb5 gives White two extra pawns and more space (Korchnoi-Xie Jun, TMatch, Prague, 1995).
    • 14...Rf7 15.c5 Nxc5 16.Bxc5 dxc5 17.Bc4 Kh8 18.a6 Rf6 19.axb7 Bxb7 20.Nd3 Bf8 21.Rf2 Bd6 22.Na4 Qe7 23.Rc2 Rg8 24.Nf2 h5 25.Be2 Bc8 26.h3 gives White more freedom (Vigorito-Fedorowicz, US Ch, San Diego, 2006).

10...f5 11.Bd2 Nf6 12.f3 f4 13.c5 g5 14.Rc1

  • If 14.cxd6 cxd6 15.Nf2 then:
    • If 15...h5 16.h3 Ng6 17.Qc2 Rf7 18.Rfc1 then:
      • If 18...g4 19.fxg4 hxg4 20.hxg4 Ne8 21.a4 Bf6 then:
        • 22.Ncd1 Bh4 23.Nh3 Rg7 24.Ndf2 Nf8 25.Ra3 Nh7 26.Rc3 Bd7 27.Bb5 gives White the advantage in space (Sosonko-Ye Jiangchuan, IT, Hong Kong, 1989).
        • 22.Bf3 Bh4 23.Ncd1 Bg3 24.Nh3 Qh4 25.Ndf2 Nf6 26.Qd1 gives White an extra pawn (Valden-Tsanas, Op, Glyfada, 2001).
      • 18...a6 19.a4 Bf8 20.a5 g4 21.fxg4 hxg4 22.hxg4 b5 23.axb6 Qxb6 24.Na4 Qa7 25.Ba5 Rb8 26.Bc7 Rb7 27.Bxd6 Bxd6 28.Qxc8+ gives White two extra pawns (Sosonko-Rogic, Op, Bled, 1997).
    • 15...Ng6 16.Qc2 Rf7 17.Rfc1 Bf8 18.a4 h5 19.Nb5 Ne8 20.h3 Nh4 21.Ra3 a6 22.Rc3 Bd7 23.Na3 gives White more freedom (Kozul-Srebrnic, Op, Nova Gorica, 1999).

14...Ng6 15.Nb5

  • 15.cxd6 cxd6 16.Nb5 Rf7 17.Qc2 Ne8 18.a4 h5 19.Nf2 Bf8 20.h3 Rg7 21.Qb3 Nh4 22.Rc2 g4 23.fxg4 Nf6 24.Be1 hxg4 25.hxg4 gives White an extra pawn (Ivanchuk-Cheparinov, IT, Sofia, 2008).

15...a6

  • If 15...Rf7 16.Ba5 then:
    • If 16...b6!? 17.cxd6 then:
      • If 17...cxd6 18.Be1 a6 19.Nc3 then:
        • 19...h5!? 20.Nb4 g4 21.Na4 Rb7 22.Bxa6 Rxa6 23.Nxa6 b5 24.Ba5 Qxa5 25.Rxc8+ allows Black to keep his material advantage and wins shortly (Meier-Bromberger, Jubilee Op, Zúrich, 2009).
        • 19...Bb7 20.Bf2 Rc8 21.Qd2 Nd7 22.Rc2 Qf6 23.Rfc1 gives White a small advantage in space.
      • 17...bxa5 18.dxc7 Qe7 19.Nc5 a6 20.d6 gives White much better prospects.
    • 16...dxc5! 17.Nxc5 b6 18.Ne6 Bxe6 19.dxe6 Re7 is equal.

BLACK: Friso Nijboer
!""""""""#
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$ + +pO +%
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$+ Rq+rK %
/(((((((()

WHITE: Anish Giri
Position after 15...a7a6


16.cxd6!?

  • This piece sacrifice is already part of opening theory, but it remains to be seen how sound it is.

16...axb5 17.dxc7 Qd7

  • Black improves on a recent novelty and should get an equal game.
  • If 17...Qe8!? 18.Qb3 g4 19.Nc5 then:
    • 19...Nh4?! 20.fxg4! Kh8 21.Ne6 Nxe4 22.Be1 gives White excellent wining chances (Berkes-Pavlovic, Serbian ChT, 2009).
    • 19...gxf3! 20.Bxf3 b6 21.Ne6 Bxe6 22.dxe6 is equal.

18.Bb4!?

  • Black has a Knight for two pawns; White has more activity in compensation for the material deficit..
  • If 18.Qb3 then:
    • 18...Ne8 19.Nc5 Qd6 20.Ne6 Qb6+ 21.Kh1 Bxe6 22.dxe6 Nxc7 23.e7+ Rf7 24.Bc4 Nh8 25.Rfd1 Re8 draw (Biriukov-Solovjov, Op, St. Petersburg, 1999).
    • If 18...g4!? 19.Bb4! Rf7 20.d6 then:
      • 20...g3? 21.Rfd1 gxh2+ 22.Kxh2 b6 23.Ba3 Qe8 24.Nb4 Be6 25.Bxb5 Bd7 26.Bc4 Nh8 27.Nd5 Nxd5 28.Bxd5 b5 29.Bxa8 Qxa8 30.c8Q+ Black resigns (hariyazdanov-Klimov, Chigorin Mem Op, St. Petersburg, 1997).
      • If 20...Ne8 21.Rfd1 Nxd6 22.Nf2 Ra6 23.Nxg4 h5 24.Rc5 gives White the initiative that is well worth the material deficit.

18...g4!?

  • Black proffers the exchange in an attempt to gain space on the kingside.
  • Better is 18...Rf7 19.Qb3 Ne8 20.Nc5 Qxc7 21.Ne6 Qb6+ 22.Bc5 with equality.

19.Nc5

  • 19.Bxf8 Bxf8 20.Qb3 gxf3 21.Bxf3 gives White more freedom for his pieces.

19...Qxc7 20.Ne6!

  • White forks the Queen and Rook.

20...Qf7?

  • Black never recovers from this inaccuracy.
  • 20...Qb6+! 21.Bc5 Qa5 22.Nxg7 Kxg7 23.Bxf8+ Kxf8 is equal.

BLACK: Friso Nijboer
!""""""""#
$t+v+ Tl+%
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$ + +nMm+%
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$ B +pOo+%
$+ + +p+ %
$pP +b+pP%
$+ Rq+rK %
/(((((((()

WHITE: Anish Giri
Position after 20...Qc7f7


21.Bxb5!

  • White finds the strongest reply. The Rook at f8 has no safe haven.

21...gxf3

  • 21...Bd7 22.Bxd7 Nxd7 23.Bxf8 Ngxf8 24.Nxg7 Qxg7 25.a3 leaves White with a material advantage equivalent to a pawn.

22.Ng5 fxg2 23.Rf2!

  • 23.Kxg2?! is refuted by 23...Nh4+! 24.Kh1 Qg6 25.Bxf8 Qxg5 26.Rg1 Ng4 givign Black a strong game.

23...Bg4 24.Qb3 Rfc8 25.Rfc2

  • If 25.Rxc8+ Rxc8 26.Rc2 then:
    • 26...Rxc2 27.Qxc2 Nxd5 28.Nxf7 Nxb4 29.Qc4 gives White the Queen for two minor pieces and a pawn.
    • 26...Nxe4 27.Nxf7 Kxf7 28.Rxc8 Bxc8 givews White the material advantage.

25...Rxc2 26.Rxc2 Nh4

  • If 26...Bd1 then after 27.Nxf7 Bxc2 28.Qxc2 Kxf7 29.Qc7+ Kg8 30.d6 White wins with the advanced d-pawn.

27.Nxf7 Kxf7 28.Rc7+ Kg6

  • If 28...Kg8 then after 29.d6+ Kh8 30.Qf7 Rg8 31.d7 Black is toast.

29.h3 f3

  • Black's advanced passers on the kingside are his only justification for continuing the game.

30.Be1

  • Also good is 30.hxg4 Nxg4 31.Bc5 Bf8 32.d6 Bxd6 33.Qe6+ wins back the piece and wins the game.

30...Bh6

  • If 30...Bxh3 31.Bxh4! then:
    • If 31...Bg4 32.Be2 fxe2 33.Rxg7+ Kxg7 34.Qxb7+ then:
      • If 34...Kh6 35.Qxa8 Kh5 36.Qh8 Kxh4 37.Qxf6+ then:
        • If 37...Kh5 then 38.Qxe5+ Kg6 39.Qg3 is time to turn out the lights.
        • 37...Kh3 38.Qf2 h6 39.d6 wins for White.
      • 34...Bd7 35.Qxa8 Nxe4 36.Qb7 Nf6 37.Kxg2 wins for White.
    • 31...Rc8 32.Rxc8 Bxc8 33.Qxf3 leaves White with an easy win.

31.Bxh4

  • Black could have resigned here.

BLACK: Friso Nijboer
!""""""""#
$t+ + + +%
$+oR + +o%
$ + + MlV%
$+b+pO + %
$ + +p+vM%
$+q+ +o+p%
$pP + +o+%
$+ + B K %
/(((((((()

WHITE: Anish Giri
Position after 30...Bg7h6


31...Rxa2 32.Qxa2 Be3+ 33.Bf2 Bxf2+ 34.Kxf2 Nxe4+ 35.Kg1 Ng5

  • 35...Bxh3 36.Be8+ Kh6 37.Rf7 Ng3 38.Bb5 wins for White.

36.Bd3+ Kf6 37.Rxh7 1-0

  • 37...Nxh7 38.Bxh7 laves White up by a Queen.
  • Mh. Nijboer resigns.

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:14 AM
Response to Reply #2
4. Zhao Xue - Hou Yifan, Maotai Prince Cup, Jinzhou



Hou Yifan
Photo: ChessBase.com


Xhao Xue - Hou Yifan
Maotai Prince Cup (Women's Group), Round 3
Jinzhou, 19 September 2009

East India Game: Nimzo-Indian Defense


1.c4 Nf6 2.Nf3 e6 3.Nc3 d5 4.d4 Bb4 5.Qa4+

  • 5.Bg5 is the Ragozin Defense to the Queen's Gambit.

5...Nc6 6.e3 0-0 7.a3

  • If 7.Bd2 then:
    • 7...a6 8.a3 Be7 9.Qc2 dxc4 10.Bxc4 Bd6 11.0-0 e5 12.d5 Ne7 13.h3 Bf5 is equal (Karpov-Vescovi, Rpd, Guarulhos, 2006).
    • 7...dxc4 8.Bxc4 Bd6 9.Nb5 Be7 10.0-0 a6 11.Nc3 Bd6 12.Qc2 b5 13.Be2 Bb7 14.a3 e5 15.d5 Ne7 16.e4 is equal (Taniz-Zdebskaja, Mindsports Rpd, Beijing, 2008).

7...Bxc3+ 8.bxc3 Ne4

  • 8...Bd7 9.Qc2 Na5 10.cxd5 exd5 11.a4 Re8 12.Bd3 is equal (Koneru-Chiburdanidze, Grand Prix W, Istanbul, 2009).

9.Qc2 b6 10.cxd5 exd5 11.Bd3 Re8

  • 11...Na5 12.0-0 Bb7 13.a4 c5 14.Ba3 Rc8 15.dxc5 bxc5 16.Rab1 Re8 17.Rfd1 Qc7 18.Nd2 Re6 19.Nxe4 dxe4 20.Be2 gives White a slight edge with control of more space (Zhao Xue- T. Kosintseva, TMatch, Sochi, 2009).

12.0-0 Na5!?

  • 12...Bb7 13.Nd2 Na5 14.f3 Nxd2 15.Bxd2 Nc4 16.Bxc4 dxc4 17.e4 is equal (Szabo-Taimanov, IT, Buenos Aires, 1960).

13.a4

  • The game is equal.13.Ne5 f6 14.f3 Ng5 15.Ng4 Bxg4 16.fxg4 Qd7 gives Black a more aggressive game.

13...c5 14.Nd2!?

  • White surrenders her stake in the center in order to allow Black to take the initiative and make a mistake.
  • 14.dxc5 bxc5 15.Rd1 Qf6 16.Bb2 remains equal.

BLACK: Hou Yifan
!""""""""#
$t+vWt+l+%
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$ O + + +%
$M Oo+ + %
$p+ Pm+ +%
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$R B +rK %
/(((((((()

WHITE: Zhao Xue
Position after 14.Ne4d2


14...Bf5!

  • Black simply strengthens her grip on the center, which is not a mistake.

15.Nxe4 Bxe4 16.dxc5 Bxd3 17.Qxd3 Nb3!

  • Black takes a spatial advantage.

18.Ra3 Nxc5 19.Qe2

  • 19.Qf5 leds to nothing after 19...Ne4 20.Bb2 Rc8 21.Rd1 Rc5 22.c4 g6.

19...Rc8 20.Rd1 Ne4 21.Bb2 h6!?

  • Black is satisfied with her position and waits for White to take some action.
  • Black can maintain a spatial edge after 21...Rc4 22.Rd4 Qg5 23.a5 b5 24.Ra1 a6.

22.a5

  • 22.Rd4 Rc5 23.Rb3 Qg5 24.Qd3 Re6 offers little to either side.

22...bxa5 23.Ra4 Qb6

  • 23...Nxc3 24.Bxc3 Rxc3 25.Qb5 Re7 26.Qxa5 Qxa5 27.Rxa5 equalizes.

24.Rxd5 Rb8 25.Ba1 Qc6!?

  • White sacrifices a pawn, although it is doubtful she would get enough compensation with correct play.
  • Safer is 25...Red8 26.Rxd8+ Rxd8 27.Rd4 a4 28.Qd1 with equality.

26.Raxa5 Re5 27.c4?

  • This only allows Black to uncork a brilliant combination.
  • 27.Rxe5 Rb1+ 28.Qf1 Rxf1+ 29.Kxf1 Qc4+ leaves White with an extra pawn.

27...Rb1+!

  • Move order is very important here.
  • 27...Qxc4? loses to 28.Qxc4 Rb1+ 29.Qf1 Rxf1+ 30.Kxf1 Nd2+ 31.Ke1.

28.Rd1

  • Any other move loses immediately.
\
BLACK: Hou Yifan
!""""""""#
$ + + +l+%
$O + +oO %
$ +w+ + O%
$R + T + %
$ +p+m+ +%
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/(((((((()

WHITE: Zhao Xue
Position after 28.Rd4d1


28...Qxc4!!

  • Black proffers the Queen and wins.

29.Rxb1

  • Accepting the Queen loses quickly: if29.Qxc4 then 29...Rxd1+ 30.Qf1 Rxf1+ 31.Kxf1 Rxa5 gives Black an extra Rook.
  • White's best shot is 29.Bxe5 Qxe2 30.Rxb1 Qxf2+ 31.Kh1 Qxe3 32.Bg3 Nxg3+ when Black has a material edge.
  • If 29.Rxe5 then after 29...Qxe2 30.Rxb1 Qxf2+ 31.Kh1 Qxe3 32.Rf5 Nf2+ wins the exchange (33.Kg1 Nd1+ 34.Kf1 (Black mates in two after 34.Kh1) 34...Qd3+).

29...Qxe2 30.Bxe5 Qxf2+ 31.Kh1 Qxe3 32.h3

  • White would get stiiffer resistance from 32.Bg3 Nxg3+ 33.hxg3 Qxg3 34.Rba1 Kh7 35.Rxa7.

32...Nd2 33.Rb8+

  • If 33.Rd1 then Black wins material after 33...Qe2 34.Rc1 Nc4.

33...Kh7 34.Bc7 Qe1+ 35.Kh2 Nf1+ 0-1

  • If 36.Kg1 then White must give up material or submit to mate after 36...Ne3+ 37.Kh2 Qf2
  • Ms. Zhao resigns.

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:15 AM
Response to Reply #2
5. Efimenko - Short, Match, Mukachevo



Nigel Short
Photo: http://www.chessbase.com/newsdetail.asp?newsid=2164">ChessBase.com


Zahar Efimenko - Nigel Short
Match, Round 2
Mukachevo, 21 September 2009

Spanish Grand Royal Game: Gothic Defense
(Open Defense)


1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Nbd2


9...Nc5 10.c3 g6

  • If 10...Be7 11.Bc2 Bg4 12.Re1 then:
    • If 12...Qd7 13.Nf1 Rd8 14.Ne3 Bh5 then:
      • 15.b4?! Ne6 16.g4 Bg6 17.Nf5 0-0 18.a4 Rfe8 19.axb5 axb5 20.Bd3 Rb8 21.Qe2 Ncd8 22.Ra5 d4 23.Rd1 c6 24.N3xd4 Bg5 25.Nxe6 Nxe6 26.Bc4 Qc7 27.Bxe6 Bxc1 28.Rd7 Qb6 29.Bxf7+ Bxf7 30.Raa7 Ra8 31.Rxa8 Rxa8 32.e6 Black resigns (Khalifman-Marin, Ol, Istanbul, 2000).
      • 15.Nf5 0-0 16.Nxe7+ Nxe7 17.Be3 Na4 18.Qd3 Ng6 19.e6 fxe6 20.Ne5 Nxb2 21.Nxd7 Nxd3 22.Nxf8 Nxe1 23.Bxg6 Bxg6 24.Nxg6 Nc2 25.Ne7+ Kf8 26.Nc6 Rd6 27.Bc5 Nxa1 28.Nd4 Kf7 29.f4 Nc2 30.Nxc2 Rc6(Marjanovic-Korchnoi, Belgrade, 1987).
    • 12...0-0 then:
      • 13.Nb3 Ne6 14.Qd3 g6 15.Bh6 Re8 16.Rad1 Bf5 17.Qd2 Bxc2 18.Qxc2 Qd7 19.Qd3 Rad8 20.Rd2 Na7 21.Red1 c6 22.h4 gives White the advantage in space (Ziatdinov-Mikhalevski, Op, Caerleon (Wales), 2005).
      • 13.Nf1 then:
        • 13...Re8 14.h3 Bh5 15.Ng3 Bg6 16.Nf5 Bf8 17.Bf4 Qd7 18.N3h4 Rad8 19.Nxg6 hxg6 20.Nd4 Nxd4 21.cxd4 Ne6 22.Bg3 c5 23.dxc5 Bxc5 24.Bd3 draw (Svidler-Jussupow, Budesliga, Germany, 2003).
        • 13...Bh5 14.Ng3 Bg6 15.Be3 Qd7 16.h4 Rad8 17.h5 Bxc2 18.Qxc2 Ne6 19.Rad1 f6 20.exf6 Bxf6 21.h6 g6 22.Ne4 Qf7 23.Neg5 Bxg5 24.Nxg5 Nxg5 25.Bxg5 Rd7 26.Qe2 gives White a small advantage in space (Anand-E. Torre, Ol, Thessaloniki, 1988).
  • If 10...d4 11.Bxe6 Nxe6 12.cxd4 Ncxd4 13.a4 Be7 14.Nxd4 then:
    • 14...Qxd4 15.axb5 Qxe5 16.bxa6 0-0 17.Qa4 Nc5 18.Qc4 Rfb8 19.Ra5 Qd6 20.Ne4 Nxe4 21.Qxe4 Qb4 22.Qxb4 Bxb4 23.Ra4 Rb6 24.a7 Bc5 25.Rd1 h6 26.b4 Rxb4 27.Rxb4 Bxb4 28.Be3 Kf8 29.Rb1 Black resigns (Topalov-Korchnoi, IT, Madrid, 1996).
    • 14...Nxd4 15.Ne4 0-0 16.axb5 Nxb5 17.Be3 Qc8 18.Qc2 Qe6 19.f4 Rad8 20.Ra4 Rd7 21.Rfa1 Qd5 22.h3 f6 23.exf6 Bxf6 24.Nxf6+ Rxf6 25.Rxa6 Rxa6 26.Rxa6 Nd4 27.Qa4 gives White a huge lead in space (Adams-Jussupow, Op, Hastings, 1989).

11.Bc2 Bg7 12.Re1 0-0

  • 12...Nd7 13.Nd4 Nxd4 14.cxd4 c5 15.Nf3 Bg4 16.Bb3 is equal (Z. Almasi-Korchnoi, IT, Budapest, 2003).

13.Nb3 Nd7!?

  • 13...Nxb3 14.Bxb3 Na5 15.Bc2 c5 16.Bg5 Qc7 is equal (Gilg-Schmitzer, Op, Silberpokal, 1962).

14.Bg5 Qc8 15.Bf4 Ne7

  • White has a clear advantage in space.

16.Qd2 c5 17.Bh6

  • Both sides are feeling craamped and even White, although ahead in space, would feel some relief with an exchange.
  • If 17.a4 Bg4 18.Bg5 then:
    • 18...Re8 19.Bxe7 Bxf3 20.Bd6 Bxe5 21.Bxe5 Nxe5 is equal.
    • 18...Qe8 19.Bxe7 Qxe7 20.Qxd5 bxa4 21.Na5 Bxf3 22.Nc6 is equal.

17...Qc6

  • 17...Bxh6 18.Qxh6 Re8 19.Ng5 Nf8 20.Nxe6 fxe6 21.Rad1 improves Black's position not a jot.

18.Qg5

  • 18.Bxg7!? Kxg7 19.a4 h6 20.Nc1 Bg4 is equal.

18...Rfe8 19.Bxg7 Kxg7 20.h4!?

  • It's just a little too early to think about this kind of move. White should first complete his development.
  • It is doubtful at this stage of the game that White could have maintained his eddge in space.
  • If 20.Rad1 a5 then:
    • 21.Qe3 Bf5 22.Bxf5 Nxf5 23.Qd3 a4 is equal.
    • 21.Qg3 a4 22.Nc1 Nf5 23.Qf4 Rad8 24.Nd3 is equal.

20...a5

  • The game is equal.

21.a4 h6 22.Qf4 Reb8

  • 22...b4 23.cxb4 axb4 24.Rec1 Qa6 25.h5 d4 26.Nbd2 remains equal.

23.Nbd2 b4 24.c4

  • 24.Bd3 bxc3 25.bxc3 Qc7 26.h5 Rb2 27.Rab1 Rab8 remains equal.

BLACK: Nigel Short
!""""""""#
$tT + + +%
$+ +mMoL %
$ +w+v+oO%
$O OoP + %
$pOp+ Q P%
$+ + +n+ %
$ OvN Pp+%
$R + R K %
/(((((((()

WHITE: Zahar Efimenko
Position after 24.c3c4


24...b3!?

  • Black sacrifices a pawn in an effort to open lines for his pieces.
  • 24...Re8 25.cxd5 Bxd5 26.Ne4 Nf5 27.Rad1 b3 is equal.

25.Bxb3

  • This looks like the best way to accept the pawn.
  • If 25.Nxb3!? dxc4! 26.Be4 Nd5 then:
    • 27.Nbd2 Nxf4 28.Bxc6 Ra7 29.Re4 Nd3 gives Black a more active game.
    • 27.Bxd5?! Bxd5! 28.Nbd2 Rxb2 29.Qe3 Rc2 30.Ra3 Re8 gives Black an extra pawn.

25...Rb4 26.cxd5

  • If 26.Ra3?! then:
    • 26...Qb7! 27.h5 g5 28.Qg3 dxc4 29.Bc2 Rxb2 gives Black an extra pawn and the initiative.
    • 26...d4?! 27.Bc2 Bxc4 28.Nxc4 Rxc4 29.Bb3 gives White excellent chances.

26...Nxd5 27.Bxd5 Bxd5 28.Qe3 Nf8

  • The Knight is on its way to e6 to guard the c-pawn.
  • Better is 28...Rxa4 29.Rxa4 Qxa4 30.Qd3 Qc6 31.Qc3 Qe6 with equality.

29.b3 Ne6 30.Rac1!?

  • White uses the wrong Rook. His position remains more secure if the King's Rook or the Queen is used to occupy the c-file while this Rook remains on the a-file to keep vigil over the queenside pawns.
  • 30.Qc3 Qb6 31.Ra3 Nd4 32.Nxd4 cxd4 33.Qh3 Qc5

BLACK: Nigel Short
!""""""""#
$t+ + + +%
$+ + +oL %
$ +w+m+oO%
$O OvP + %
$pT + + P%
$+p+ Qn+ %
$ + N Pp+%
$+ R R K %
/(((((((()

WHITE: Zahar Efimenko
Position after 30.Ra1c1


30...Qb7!

  • The Queen, relieved of guard duty, joins in the attack on the backward pawn.
  • The game is equal.

31.Rc3 Rd8 32.Rd3?

  • This allows Black to regain his pawn and free his pieces.
  • If 32.h5! then:
    • 32...g5 33.Rec1 Bxf3 34.gxf3 Nf4 35.Ne4 Nd5! gives Black the active game, although he is a pawn down.
    • If 32...gxh5!? then after 33.Rec1 Bxf3 34.gxf3 Rb8 35.Rc4! White maintains the pawn at b3, but the pawn count is level.
  • Wrong is 32.Rec1!? Bxf3! 33.gxf3 Rxh4! 34.Ne4 Nf4 when Black wins back the pawn and exposes the White King to attack by the Knight and Rook.

32...Bxf3 33.Nxf3

  • If 33.Rxd8 then:
    • 33...Bxg2!! 34.Rd3 Rg4 35.f3 Bxf3+ gives Black a fierce attack on the White King.
    • If 33...Nxd8!? then after 34.Nxf3 Rxb3 35.Qxc5 the game is equal.

33...Rxd3 34.Qxd3 Rxb3!

BLACK: Nigel Short
!""""""""#
$ + + + +%
$+w+ +oL %
$ + +m+oO%
$O O P + %
$p+ + + P%
$+t+q+m+ %
$ + + Pp+%
$+ + R K %
/(((((((()

WHITE: Zahar Efimenko
Position after 34...Rb2b3:p


  • Black clearly has the better game. He has a passed pawn and is able the c-file, most of the long light diagonal and much of the ranks on White's side of the board with little difficulty.

35.Qd1 Rb4 36.h5 g5

  • Also good is 36...gxh5 37.Qc2 Rg4 38.Re3 Qc6 39.Kh1 Qxa4.

37.Qc2 Qc6 38.Ra1 Rg4 39.Qf5

  • 39.Qd1 Nf4 40.g3 Nh3+ 41.Kg2 Rd4 42.Qb3 g4 gives Black an overwhelming position.

39...Rf4 40.Qc2 Rg4 41.Qf5 Rf4

  • This allows White's Queen to just slip away.
  • 41...Qe4 42.Qf6+ Kg8 43.g3 Qf4 44.Qxf4 gxf4 gives Black more freedom.

42.Qc2 Kg8 43.Qd1 Rb4

  • If 43...g4 44.Nd2 Qd7 then:
    • 45.Nb3 Qxd1+ 46.Rxd1 Rxa4 47.Rd5 c4 gives Black an extra pawn and a clearly better game.
    • If 45.Qc2 Rxf2 46.Kxf2 Qd4+ then:
      • 47.Ke1 Qxa1+ 48.Qb1 Qxe5+ 49.Qe4 Qxh5 leaves Black three pawns to the good.
      • 47.Kg3 Qf4+ 48.Kh4 g3+ 49.Kh3 Ng5#.

44.g3

BLACK: Nigel Short
!""""""""#
$ + + +l+%
$+ + +o+ %
$ +w+m+ O%
$O O P Op%
$pT + + +%
$+ + +nP %
$ + + P +%
$R +q+ K %
/(((((((()

WHITE: Zahar Efimenko
Position after 44.g2g3


44...Qe4!

  • As we've pointed out many times before, it's not a good sign when one is out of pawn moves. White is out of pawn moves.

45.Nd2 Qxe5 46.Rc1 Qd5 47.Qc2 g4!

  • White is permanently out of pawn moves.

48.Re1 Qxh5 49.Qd3

  • If 49.Qa2 then Black wins after 49...Nd4 50.Re8+ Kh7 51.Qa1 Kg6 52.Rg8+ Kf6.

49...Rd4 50.Qe3 Ng5 51.Qe8+

  • No better is 51.Qc3 Nh3+ 52.Kf1 Qd5 53.Re8+ Kh7 54.Ne4 Rxe4.

51...Kh7 52.Re2

BLACK: Nigel Short
!""""""""#
$ + +q+ +%
$+ + +o+l%
$ + + + O%
$O O + Mw%
$p+ T +o+%
$+ + + P %
$ + NrP +%
$+ + + K %
/(((((((()

WHITE: Zahar Efimenko
Position after 52.Re1e2


52...Rxd2!! 0-1

  • The sacrifice of the exchange announces Zugzwang.
  • 53.Rxd2 Nf3+ 54.Kf1 Qh1+ 55.Ke2 Qe1+ wins the Queen.
  • Efimenko resigns.

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:17 AM
Response to Reply #1
6. SPICE Cup. Texas Tech University, Lubbock



Civil Engineering Building, Texas Tech University
Photo: Wikipedia (public domain)

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:18 AM
Response to Reply #6
7. Hammer - So, Group A, Round 2
Edited on Sun Sep-27-09 02:20 AM by Jack Rabbit



Jon Ludvig Hammer
Photo: http://www.chessbase.com/newsdetail.asp?newsid=5603">ChessBase.com


Jon Ludvig Hammer - Wesley So
SPICE Cup, Round 2
Texas Tech University, 19 September 2009

Slav Queen's Gambit: Karlsbad Defense


1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.Ne5

  • If 6.e3 e6 7.Bxc4 Bb4 8.0-0 0-0 then:
    • If 9.Qe2 then:
      • If 9...Bg6 10.Ne5 Nbd7 11.Nxg6 hxg6 12.Rd1 Qa5 then:
        • If 13.Qc2 then:
          • If 13...Rac8 then:
            • 14.Be2 Rfe8 15.e4 e5 16.dxe5 Qxe5 17.f3 g5 is equal (Nielsen-Smeets, TMatch, Amsterdam, 2009)
            • 14.Bd2 Nb6 15.Be2 c5 16.dxc5 Rxc5 17.Qb3 Rfc8 18.Be1 Nbd5 19.Nxd5 Nxd5 20.Rxd5 Bxe1 21.Rxc5 Rxc5 22.Qd1 is equal (Heinis-Islam, Op, Hastings, 2007-08).
          • 13...Rad8 14.Na2 Bd6 15.Be2 Qc7 16.h3 c5 17.Nc3 cxd4 18.Rxd4 Be5 19.Rc4 Qb8 20.a5 Rc8 21.Bd2 gives White a small advantage in space (Li Shilong-Caruana, Corus C, Wijk aan Zee, 2008).
        • If 13.Bd2 then:
          • 13...Rad8 14.Be1 e5 15.Qc2 Nb6 16.dxe5 Nxc4 17.exf6 gxf6 18.Ne4 Nb6 19.Bxb4 Qxb4 20.Nxf6+ Kg7 21.Ne4 Rxd1+ 22.Rxd1 gives White an extra pawn (Golubenko-Corke, WGM Trmt, Rijeka, 2006).
          • 13...e5 14.d5 Rad8 15.dxc6 bxc6 16.Be1 e4 17.Bb3 Qe5 18.Bc2 Bd6 19.g3 Nc5 20.Kg2 is equal (Karpov-Kramnik, Amber Blind, Monte Carlo, 1995).
      • If 9...Nbd7 10.e4 Bg6 11.Bd3 Bh5 then:
        • If 12.e5 Nd5 then:
          • If 13.Nxd5 cxd5 14.Qe3 then:
            • If 14...Re8 then:
              • If 15.Ne1 then:
                • 15...Bg6 16.Bxg6 hxg6 17.Nd3 Qb6 18.Nxb4 Qxb4 19.b3 Rac8 20.Ba3 Qc3 21.Rac1 Qxe3 22.fxe3 f6 23.Bd6 a5 24.Bc7 fxe5 25.dxe5 b6 26.Rc3 gives White a more active game (Ivanchuk-Anand, IT, Linares, 2009).
                • 15...Rc8 16.f4 Bxe1 17.Rxe1 Bg6 18.Bf1 Rc2 19.b3 Qa5 20.Bb5 Rd8 21.Re2 Rcc8 is equal (Topalov-Kramnik, World Ch Reunification Rd 13, Elista, 2006).
              • 15.Ng5 Bg6 16.f4 Bxd3 17.Qxd3 f5 18.Be3 Nf8 19.Kh1 Rc8 20.g4 Qd7 is equal (Topalov-Kramnik, World Ch Reunification Rd 2, Elista, 2006).
            • If 14...Be7 then:
              • 15.Ng5 Bxg5 16.Qxg5 Bg6 17.Be2 Nb8 18.Qxd8 Rxd8 19.Bd2 Nc6 20.Bc3 f6 21.exf6 gxf6 is equal (Onischuk-Pentala, IT, Lubbock, Texas, 2008).
              • 15.Bd2 Nb8 16.Ne1 Bg6 17.f4 Nc6 18.g4 f5 19.exf6 Bxf6 20.Bc3 Qe8 21.h3 Kh8 22.Rd1 Bd8 23.Rd2 Bb6 24.Kg2 Qf7 25.Rf3 gives White the advantage in space (Vaganian-Chernin, Sochi, 1986).
          • If 13.Ne4 Be7 14.Ng3 Bg6 15.Bxg6 then:
            • 15...hxg6 16.Ne4 c5 17.Nc3 Qb6 18.Nxd5 exd5 19.dxc5 Nxc5 20.Be3 Qe6 21.a5 a6 22.Rac1 Rac8 23.Rfd1 Nb3 24.Rxc8 Rxc8 25.Bb6 Bd8 26.Bxd8 Rxd8 27.Qe1 gives White slightly more activity (Xu Jun-Akopian, Ol, Moscow, 1994).
            • If 15...fxg6 16.Ne4 h6 then:
              • 17.a5 a6 18.Ne1 Qe8 19.Nd3 g5 20.b4 Qg6 21.Ndc5 Nxc5 22.bxc5 Rad8 23.Nd6 Bxd6 24.exd6 Rd7 25.Ra3 gives White the advantage in space (Oll-Wojtkiewicz, Op, New York, 1994).
              • 17.Ne1 Rf7 18.Nd3 g5 19.a5 Nf8 20.Ndc5 Nf4 21.Bxf4 Rxf4 22.Rfd1 Rb8 draw (Richardson-Miles, 4NCL, Birmingham, 2001).
        • If 12.Bf4 Re8 13.e5 Nd5 14.Nxd5 cxd5 then:
          • If 15.h3 a6 16.Rfc1 Nb8 17.g4 Bg6 18.h4 Nc6 19.h5 Bxd3 20.Qxd3 Be7 is equal (Glek-Moskalenko, Trmt, Pinsk, 1986).
          • 15.Qe3 a6 16.Rfc1 Qb6 17.Nd2 Bg6 18.Bxg6 hxg6 19.Nf3 Rac8 20.Rxc8 Rxc8 21.Rc1 Rc6 22.h4 Be7 23.b3 Qc7 is equal (Polugaevsky-Portisch, IT, Tilburg, 1983).
    • If 9.Nh4 Qe7 then:
      • 10.f3 Rd8 11.Qb3 Bg6 12.Nxg6 hxg6 13.Na2 Ba5 14.Rb1 a6 15.Qc2 Nbd7 16.b4 Bc7 17.a5 e5 18.dxe5 Nxe5 19.Be2 g5 is equal (Braun-Caruana, Corus C, Wijk aan Zee, 2008).
      • If 10.Nxf5 exf5 then:
        • 11.Qc2 g6 12.f3 c5 13.Qf2 Nc6 14.Na2 Ba5 15.dxc5 Qxc5 16.Bb5 Bb6 is equal (Barirov-Mamedyarov, President's Cup, Baku, 2005).
        • 11.f3 c5 12.d5 Rd8 13.Qd3 Bxc3 14.bxc3 Qe5 15.Rb1 Rd7 16.Ba3 Nxd5 17.Bb5 Nc6 18.Bxc5 Rc8 is level (Abdul Moula-Shaw, Ol, Torino, 2006).

6...Nbd7 7.Nxc4 Nb6

  • If 7...Qc7 8.g3 e5 9.dxe5 Nxe5 10.Bf4 Nfd7 11.Bg2 then:
    • If 11...g5 12.Ne3 gxf4 13.Nxf5 0-0-0 14.Qc2 then:
      • If 14...Nc5 15.0-0 then:
        • 15...Ne6 16.Qe4 fxg3 17.hxg3 a5 18.Nb5 cxb5 19.axb5 Nc5 20.Qe3 Ng4 21.Qc3 Ne4 22.Bxe4 Qxc3 23.bxc3 gives White an extra pawn and more activity (Shirov-Pentala, IT, Foros, 2006).
        • 15...fxg3 16.hxg3 a5 17.Rfd1 h5 18.Rxd8+ Qxd8 19.Rd1 Qf6 20.Qd2 Be7 21.Bh3 Kb8 22.Qe3 Ng6 23.Nxe7 Qxe7 24.Qxe7 Nxe7 is equal (Gelfand-Alkopian, Asrian Mem Rapid, Yerevan, 2008).
      • 14...Ng6 15.0-0 Kb8 16.Rac1 fxg3 17.hxg3 h5 18.Nb5 Qb6 19.Nbd4 Nde5 20.Rfd1 h4 21.a5!? Qxa5 22.f4 h3 23.Be4 h2+ is equal (Banikas-Wang Yue, Op, Gibraltar, 2008).
    • If 11...f6 12.0-0 Nc5 13.Ne3 then:
      • 13...Bg6 14.b4 Ne6 15.b5 Rd8 16.Qb3 Nd4 17.Qb2 Bc5 18.Rfc1 Qe7 19.bxc6 bxc6 20.Ne4 Bb4 21.Nc4 Nxc4 22.Rxc4 is equal (Bacrot-Gelfand, Corus A, Wijk aan Zee, 2006).
      • 13...Be6 14.b4 Rd8 15.Qc2 Na6 16.b5 Nb4 17.Qe4 Bc5 18.bxc6 bxc6 19.Rad1 0-0 20.Nc4 Rxd1 21.Rxd1 Bd5 22.Bxe5 fxe5 23.Qxe5 Qxe5 24.Nxe5 Rxf2 25.Nxd5 Rxe2+ 26.Kh1 Rxe5 27.Nxb4 Bxb4 28.Bxc6 draw (Ftacnik-Bu Xiangzhi, Ol, Calvia, 2004).

8.Ne3

  • If 8.Ne5 a5 then:
    • If 9.e3 then:
      • If 9...g610.Bd3 then:
        • If 10...Bxd3 11.Nxd3 Bg7 then:
          • If 12.Qb3 0-0 13.0-0 Nfd7 then:
            • 14.f4 Qc7 15.Bd2 c5 16.Nb5 gives White the advantage in space (Cramling-Pähtz, ITW, St. Petersburg, 2009).
            • 14.Ne2 Qc7 15.e4 Nc8 16.f3 Rd8 gives White the advantage in space, but Black has no exploitable weaknesses (Jobava-Shirov, Russian ChT, Sochi, 2007).
          • 12.0-0 0-0 13.Qe2 Nfd5 14.Rd1 Nb4 15.b3 N6d5 16.Bb2 Nxd3 17.Qxd3 Nxc3 18.Bxc3 Qd5 19.Qc4 Rfd8 20.Rac1 f5 is equal (Adianto-Bu Xiangzhi, Op, Doha, 2006).
      • If 10...Be6 then:
        • 11.Be2 Bg7 12.e4 Nfd7 13.Nf3 Bg4 14.0-0 0-0 15.h3 Bxf3 16.Bxf3 is equal (Grischuk-Wang Yue, Grand Prix, Elista, 2008).
        • 11.Nf3 Bg7 12.h3 Nfd5 13.0-0 0-0 14.e4 Nb4 15.Be2 Qd7 16.Bf4 Rad8 17.Qc1 Bc4 18.Bh6 Bxe2 19.Nxe2 is equal (Mchedlishvili-Shaw, Ol, Dresden, 2008).
    • If 9...h6 10.Bd3 Bxd3 11.Nxd3 then:
      • 11...e6 12.Qb3 Be7 13.0-0 0-0 14.Rd1 Nfd5 15.e4 Nb4 16.Be3 Nd7 17.d5 gives White the advantage in space (Bu Xiangzhi-Pentala, Mindsports Rpd, Beijing, 2008).
      • 11...Nbd5 12.Qb3 Qb6 13.Qxb6 Nxb6 14.f3 Nfd5 15.Nxd5 cxd5 16.b3 e6 17.Ke2 Bd6 18.Bd2 f5 19.Rac1 Ke7 is equal (Topalov-Gelfand, Amber Rapid, Monte Carlo, 2005).
  • If 9.g3 e6 10.Bg2 Bb4 11.0-0 0-0 12.e3 h6 13.Qe2 Bh7 14.Rd1 Nfd7 then:
    • If 15.Nxd7 Nxd7 16.e4 Qe7 17.Be3 Rfd8 then:
      • 18.Rac1 Rac8 19.Qc4 Nf6 20.f3 Qe8 21.Qb3 Rd7 22.Ne2 c5 23.dxc5 Rxd1+ 24.Qxd1 Nd7 is equal (Zhao Xue-K. Georgiev, Op, Gibraltar, 2008).
      • If 18.d5 Bc5 19.Bxc5 Nxc5 20.Qc4 Rac8 21.dxc6 Rxc6 22.Qb5 Rcc8 23.Rab1 Qc7 24.h4 Bg6 is equal (Xu Jun-Wang Yue, Chinese ChT, Jinan, 2005).
    • If 15.Nd3 Qe7 16.e4 then:
      • If 16...Rfd8 17.Bf4 Bd6 18.Be3 Nc4 19.Bc1 e5 20.d5 Nf6 is equal (Jakovenko-Lastin, Russian Ch, Moscow, 2008).
      • 16...e5 17.dxe5 Nxe5 18.Nxe5 Qxe5 19.Be3 Bc5 20.Rac1 Bxe3 21.Qxe3 Nc4 22.Qd4 Qxd4 23.Rxd4 Nb6 24.Rcd1 Rfb8 25.b4 gives White the advantage in space (Eljanov-Shaw, Euro ChT, Saint Vincent, 2005).
  • If 9.Bg5 h6 10.Bh4 then:
    • If 10...Nbd5 11.Qb3 Qb6 12.Qxb6 Nxb6 13.f3 then:
      • If 13...Nfd7 14.Nxd7 Nxd7 15.e4 Bg6 16.0-0-0 e5 17.dxe5 Nxe5 18.f4 Nd7 19.g4 Be7 20.Bg3 f6 21.Bc4 Rf8 22.Rhe1 Bf7 23.Bxf7+ Rxf7 24.Kc2 0-0-0 25.b3 gives White the advantage in space (Mkrtchian-Ruan Lufei, FIDE Knock Out W, Ekaterininburg, 2006).
      • 13...Bc2 14.e4 e6 15.Bd3 Bb3 16.Bf2 Bb4 17.Ke2 Nfd7 18.Nxd7 Kxd7 19.Na2 Bxa2 20.Rxa2 Kc7 21.Bc2 Rad8 22.Bb3 Rhe8 23.Raa1 f5 24.Rac1 gives White's Bishops better potential than Black's minor pieces (P. H. Nielsen-Dziuba, Euro Ch, Plovdiv, 2008).
    • If 10...e6 11.e4 Bh7 12.f3 Be7 13.Bf2 Nfd7 14.Nd3 0-0 15.Be2 Rc8 16.0-0 c5 17.dxc5 Nxc5 18.Nxc5 Bxc5 19.Bxc5 Rxc5 20.Qxd8 Rxd8 21.Rfd1 Rcc8 22.Rab1 f5 23.Kf2 fxe4 24.fxe4 Kf8 25.Rxd8+ Rxd8 26.Ke3 e5 27.Bb5 Rd4 28.Rf1+ Ke7 29.Rf3 draw (Grigoryan-Kuzubov, Youth Stars, Kirishi, 2007).

8...e6!?

  • If 8...Bg6 9.a5 Nbd7 10.g3 then:
    • If 10...e5 11.dxe5 Nxe5 12.Qb3 Bc5 13.Bg2 0-0 14.0-0 Qe7 then:
      • 15.Nc4 Qe6 16.Nd2 a6 17.Qxe6 fxe6 18.h3 Ba7 19.Nde4 Nd5 20.Ng5 Rae8 is equal (Ward-N. Pert, British Ch, Great Yarmouth, 2007).
      • 15.Na4 Bb4 16.Nc3 Rad8 17.Nc2 Bc5 18.Na4 Bd6 19.Be3 a6 20.Bb6 Rde8 21.Rad1 Ned7 is equal (Jaracz-Ni Hua, Dos Hermanas, Cyberspace, 2006).
    • If 10...e6 11.Bg2 then:
      • 11...Rc8 12.0-0 Be7 13.Nc4 0-0 14.e4 Bb4 15.Re1 b5 16.axb6 Nxb6 17.Ne5 gives White the advantage in space (S. Halkias-K. Georgiev, Euro Ch, Warsaw, 2005).
      • 11...Nd5 12.0-0 Be7 13.Qb3 b6 14.f4 Nxe3 15.Bxe3 Rc8 16.axb6 axb6 17.Bf2 0-0 18.e4 b5 19.Kh1 Nf6 20.Rfe1 Re8 21.Bg1 is equal (Kempinski-Babula, Bundesliga 0102, Hamburg, 2001).

9.a5

  • The game is equal.

9...Nbd5 10.Nxf5 exf5 11.a6 b6 12.g3 Bb4 13.Bd2 0-0

  • 13...Bxc3 14.bxc3 Ne4 15.Bg2 0-0 16.c4 Ndf6 remains equal.

14.Bg2 Qe7 15.0-0 Rac8!?

  • This move is risky in that it is not in keeping with the pawn skeliton; Black should sweep into the center with a move like ...Nd5.
  • Better is 15...Bxc3 16.bxc3 Ne4 17.Qc2 Rad8 18.Rfd1 Ndf6 with equality.

BLACK: Wesley So
!""""""""#
$ +t+ Tl+%
$O + WoOo%
$pOo+ M +%
$+ +m+o+ %
$ B P + +%
$+ N + P %
$ P BpPbP%
$R +q+rK %
/(((((((()

WHITE: Jon Ludvig Hammer
Position after 15...Ra8c8


16.Nxd5!

  • White takes advantage of the inaccuracy by striking first.

16...Nxd5 17.e3 Rfd8 18.Bxb4 Nxb4

  • 18...Qxb4!? 19.Qc2 c5 20.Rac1 Ne7 21.Bb7 leaves White holding Black's position under restraint.

19.Qb3 c5 20.dxc5 Qxc5

  • 20...bxc5 21.Rfd1 Qe6 22.Qc3 Rd6 23.Rxd6 Qxd6 24.Bh3 gives White a slight initiative.

21.Rfd1 g6!?

  • Black repairs his loose pawn, but may have allowed White a stronger initiative in the process.
  • If 21...Qe7 22.Bh3 g6 23.Bf1 h6 24.Rxd8+ Rxd8 25.Rd1 Nc6 26.Rxd8+ Qxd8 27.Qc3 White still has the initiative.
  • If 25.Bc4 Kg7 26.Rd1 Rc8 27.Qc3+ White still has the initiative.
  • If 22...Rxd1+ then after 23.Rxd1 Nxa6 24.Bxf5 White continues to enjoy the initiative.

  • 22.Bb7!

    • Since there is no longer to loose pawn, White threatens to win the exchange.

    22...Rxd1+ 23.Qxd1 Rc7

    • Of course, Black threatens nothing. This is simply the best move he has available.
    • 23...Re8 24.Qd7 Re6 25.Bg2 Re7 26.Qd8+ Kg7 27.Bf1 gives White the advantage in space.

    24.Qd8+ Kg7 25.Rd1 h5?

    • Black should exchange Queens or Rooks to alleviate the threat posed by the raid on his back rank.
    • 25...Re7 26.Qd4+ Qxd4 27.Rxd4 Nc2 28.Rd8 gives White the better game, but Black still has some fight left.
    • 25...Qe5? 26.b3 Nc6 27.Qa8 Qc3 28.Bxc6 Rxc6 29.Qxa7 wins for White.

    BLACK: Wesley So
    !""""""""#
    $ + Q + +%
    $ObT +oL %
    $ O + +o+%
    $+ W +o+o%
    $ M + + +%
    $+ + P P %
    $ P + P P%
    $+ +r+ K %
    /(((((((()

    WHITE: Jon Ludvig Hammer
    Position after 25...h7h5


    26.Rd6!

    • If the Black King is to escape any time soon, he'll have to go out the back door.

    26...Qc1+ 27.Rd1!?

    • This inaccuracy costs White a quick victory.
    • If 27.Kg2 Kh7 28.Qf6 Nc2 29.Rd8 Nxe3+ then:
      • If 30.Kf3 Qh1+ 31.Kxe3 Re7+ 32.Kd2 Qe1+ 33.Kc2 then:
        • 33...Rc7+ 34.Kb3 Qe6+ 35.Qxe6 fxe6 leaves White a piece to the good.
        • If 33...Qe2+ 34.Kb3 Qb5+ 35.Kc3 Qc5+ then:
          • 36.Kd3 Qb5+ 37.Kd2 Qe2+ 38.Kc3 Rc7+ 39.Bc6 gives White the initiative and an extra piece.
          • After the inferior 36.Kd2 Qxf2+ 37.Kc3 Rc7+ 38.Bc6 Qe1+ 39.Kb3 White still has a winning game.
      • If 30.fxe3 Rc2+ 31.Kh3 Qf1+ 32.Kh4 Qc4+ 33.Rd4 Rxh2+ 34.Kg5 wraps a net around the Black King.

    27...Qc4?

    • Black misses the chance to have some chances.
    • 27...Qc5 28.Kg2 Qe7 29.Qd4+ Kh7 leaves Black just an inaacurate move by White away from whipping up counterplay.

    28.Rd6 Qc1+ 29.Kg2 Nc2

    • 29...Kh7 30.Qf6 Nc2 31.Rd8 Nxe3+ 32.Kf3 gives White no time to save his Knight.

    30.Qf6+ Kh7 31.Rd8 Nxe3+ 32.fxe3!?

    • After 32.Kf3 Qh1+ 33.Kxe3 Re7+ 34.Kd2 Qe1+ 35.Kc2 the King runs away to fight another day.

    32...Rc2+

    • Black loses as soon as he runs out of checks.

    BLACK: Wesley So
    !""""""""#
    $ + R + +%
    $Ob+ +o+l%
    $pO + Qo+%
    $+ + +o+o%
    $ + + + +%
    $+ + P P %
    $ Pt+ +kP%
    $+ W + + %
    /(((((((()

    WHITE: Jon Ludvig Hammer
    Position after 32...Rc7c2+


    33.Kh3 Qf1+ 34.Kh4 Qc4+

    • If 34...Rc4+ then White wins after 35.e4 g5+ 36.Kxg5 Qc1+ 37.Kxh5 Qd1+ 38.Rxd1.

    35.Rd4 Rxh2+ 36.Kg5 Qc7 37.Qd6 f6+ 38.Kxf6 Qg7+ 39.Ke6 Qg8+ 40.Kd7 Rc2

    • If 40...Rxb2 41.Qe7+ then:
      • If 41...Kh6 then after 42.Bd5 Qb8 43.e4 Rc2 44.Bc6 Black is toast.
      • If 41...Qg7 then after 42.Qxg7+ Kxg7 43.Kc7 Rb3 44.Kb8 the White King clears the way for the a-pawn.

    41.Qe7+ Kh6 42.Rd6 Rc5 43.Bc6! 1-0

    • This fine defensive move assures that White remains a piece to the good.
    • Young Mr. So resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:22 AM
    Response to Reply #6
    8. Robson - Papp, Group B, Round 6



    Ray Robson
    Photo: ChessBase.com


    Ray Robson - Gabor Papp
    SPICE Cup (Group B), Round 6
    Texas Tech University, 24 September 2009

    Open Sicilian Game: Rat Dragon Defense (Yugoslav Opening)


    1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 0-0


    8.Qd2 Nc6 9.Bc4 Bd7 10.0-0-0 Rb8

    • If 10...Rc8 11.Bb3 Ne5 12.Kb1 then:
      • If 12...Nc4 13.Bxc4 Rxc4 14.g4 then:
        • If 14...b5 15.b3 Rc8 16.Ndxb5 Qa5 17.a4 a6 18.Nd5 Qxd2 19.Nxe7+ Kh8 20.Rxd2 Rce8 then:
          • 21.Nxg6+ fxg6 22.Nxd6 Re6 23.Bc5 Bc6 24.Nc4 Rb8 25.Rd6 Rxd6 26.Bxd6 gives White four pawns for a minor piece (Bologan-Fedorov, IT, Calcutta, 1999).
          • 21.Nf5 gxf5 22.Nxd6 fxg4 23.Nxe8 Rxe8 24.Bd4 Bc6 gives White a theoretical extra pawn in an asymmetical material balance (Timoshenko-Rogozenko, Op, Cappelle la Grand, 1998).
        • If 14...Qa5 15.g5 Nh5 16.Nd5 Qd8 17.Ne2 Be6 18.Bxa7 Bxd5 19.Qxd5 Qc7 20.c3 then:
          • 20...Ra4 21.Bd4 Ra5 22.Qb3 Rxg5 23.h4 Rg2 24.Bxg7 Kxg7 25.Nd4 Ra8 is equal (Negi-Hakki, Op, Dubai, 2004).
          • 20...Rc8 21.Qb5 Rc6 22.Be3 Ra6 23.Nc1 Ra5 24.Qb4 leaves White a pawn to the good (Kovacevic-Torres, Op, Mallorca, 2000).
      • 12...Re8 13.h4 h5 14.Bh6 Nc4 15.Bxc4 Rxc4 16.Bxg7 Kxg7 17.Nd5 e5 18.Nxf6 Qxf6 19.Nb3 Rec8 20.Qxd6 Be6 21.c3 R4c6 22.Qb4 gives White the advantage in space (Leconte-de Blasio, cyberspace, 2002).
    • If 10...Qa5 11.Bb3 Rfc8 12.h4 Ne5 13.Kb1 then:
      • 13...Nc4 14.Bxc4 Rxc4 15.Nb3 Qc7 16.Bd4 Be6 17.h5 a5 18.hxg6 hxg6 19.a4 b5 20.Nxb5 Qb8 21.Nc3 Rb4 22.Rh4 Qb7 23.Rdh1 Rb8 24.Nd5 Bxd5 25.exd5 Rxa4 26.g4 Rxd4 27.Qxd4 Qxd5 28.g5 Qxg5 is equal, but the material balance is asymmetrical (Gara-Gaponenko, Ol, Bled, 2002).
      • 13...b5 14.Ncxb5 Qxd2 15.Rxd2 Rab8 16.Nc3 a5 17.a4 Nc4 18.Bxc4 Rxc4 19.Rd3 Rcb4 20.Ndb5 Bxb5 21.Nxb5 Rxa4 22.Rb3 Nd7 23.Rd1 Rc4 24.Nd4 Rxb3 25.cxb3 Rc8 26.Rc1 Nc5 is equal (Hossain-Rahman, Op, Calcutta, 1999).

    11.Bb3 Na5 12.Bh6 Bxh6

    • 12...b5 13.Bxg7 Kxg7 14.Nd5 Nxb3+ 15.Nxb3 Nxd5 16.exd5 is equal (Rouhit-Can, World Jr Ch, Istanbul, 2005).

    13.Qxh6 b5 14.Nd5!?

    • If 14.h4 e5 15.Nde2 b4 16.Nd5 Nxb3+ then:
      • If 17.axb3 Nxd5 18.Rxd5 Rb6 19.h5 g5 then:
        • 20.Rxd6 f6 21.Rhd1 Rxd6 22.Rxd6 gives White an extra pawn and the advantage in space (Song-Croad, IT, Queenstown, 2006).
        • 20.f4 Bg4 21.Nd4!? gxf4 22.g3 fxg3 23.Rg1 Qh4! gives Black two extra pawns and a strong game (Zambrana-Zhao Zong Yuan, IT, São Paulo, 2008).
      • 17.cxb3 Nxd5 18.Rxd5 Be6 19.Rd2 Rb6 20.Kb1 Ra6 21.Nc1 d5 22.h5 Qf6 23.hxg6 Qxg6 24.Qxg6+ hxg6 25.exd5 Rd6 is equal (Van Huy Nguyen-al-Modiaki, Asian Ch, Subic Bay, 2009).

    14...Nxb3+

    • The game is equal.
    • 14...e5! 15.Nxf6+ Qxf6 16.Ne2 Nxb3+ 17.axb3 Rfc8 18.h4 is also equal.

    15.Nxb3 e5 16.h4 Nxd5 17.Rxd5 Rb6

    • If 17...Qc7 18.h5 Rfc8 then:
      • 19.Qd2 Rb6 20.hxg6 fxg6 remains equal.
      • 19.c3 Be6 20.Rd3 Bc4 21.Re3 remains equal.

    18.f4 Be6 19.h5 Qe7 20.Rd3 exf4

    • The Rat Dragon, like most Open Sicilians, is a sharp opening and each side must be very careful. One small slip can be a disaster.
    • If 20...Rc6? 21.f5! Bxb3 then:
      • 22.Rxb3! Rfc8 23.hxg6 Rxc2+ 24.Kb1 fxg6 25.fxg6 wins for White.
      • If 22.axb3!? then Black is able to take some of the sting out of White's initiative after 22...Rfc8 23.c3 Qf8 24.hxg6 Qxh6+ 25.Rxh6.

    21.Qxf4 g5 22.Qe3 h6

    • 22...Bc4 23.Rc3 h6 24.Re1 Qe5 25.Kb1 Rd8 26.Nd2 remains equal.

    23.Nd4 Rc8 24.Re1 b4 25.e5

    • 25.Qd2 Qd7 26.Kb1 Qa4 27.b3 Qd7 28.Rf3 Bg4 remains equal.

    25...d5!?

    • If 25...Qc7 26.Rd2 dxe5 27.Qxe5 Bxa2 28.Nf5 Qxe5 29.Rxe5 remains equal.
    • if 25...Bxa2 26.exd6 Qxe3+ then:
      • 27.Rdxe3! Rf8 28.Nf5 Be6 29.Nxh6+ Kg7 is equal.
      • 27.Rexe3!? Rxd6 28.Nf5 Rxd3 29.Rxd3 Rc5! gives Black the initiative.
    • if 25...dxe5 26.Qxe5 Qf8 27.Kb1 Ra6 28.b3 remains equal.

    26.Rf1

    • 26.Kb1 Qc7 27.Rd2 Ra6 28.Rf2 Qc4 remains equal.

    26...Qc7

    • Better is 26...Bg4 27.Qg3 Qd7 28.Kb1 Bxh5 29.Rh1 Bg6 with equality.

    27.Rf6 Bd7?

    • Black drops a pawn to a cool tactical stroke.
    • 27...Kh7 28.Rd2 Qc4 29.Qd3+ Qxd3 30.Rxd3 Rc7 31.Rdf3 gives White more activity, but Black still has chances for counterplay.

    BLACK: Gabor Papp
    !""""""""#
    $ +t+ + +%
    $O Wv+o+ %
    $ T + R O%
    $+ +oP Op%
    $ O N + +%
    $+ +rQ + %
    $pPp+ +p+%
    $+ K + + %
    /(((((((()

    WHITE: Ray Robson
    Position after 27...Be6d7


    28.Rxh6!!

    • White puts out the lights with this sham sacrifice.
    • 28.Rxb6!? axb6 29.Kb1 Re8! 30.Qd2 Bg4 31.Rg3 f5 gives Black the initiative.

    28...Rxh6 29.Qxg5+!

    • White recovers the Rook with check.

    29...Kh7 30.Rg3!

    • The text is stronger than 30.Rf3 Be6 31.g4 Qc4 32.Qf4 a5 33.Kb1when Black still has some threats.

    30...Bg4

    • The sacrifice of the Bishop is forced in order to prevent mate on g7.

    31.Rxg4 f6 32.exf6 a5

    • Unless it can deliver mate, Black's Queen dare not move.

    33.Qf5+ Kh8

    BLACK: Gabor Papp
    !""""""""#
    $ +r+ + K%
    $+ W + + %
    $ + + P R%
    $O +o+q+p%
    $ O N +r+%
    $+ + + + %
    $pPp+ +p+%
    $+ K + + %
    /(((((((()

    WHITE: Ray Robson
    Position after 33...Kh7h8


    34.f7!

    • It's curtains for Black.
    • If now 34...Qd8 then 35.Qe5+ Rf6 36.Rg6! would be very convincing.

    34...Rf8 35.Qg5 1-0

    • Black cannot escape mate.
    • Master Papp resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:23 AM
    Response to Reply #1
    9. Inventi International Tournament, Antwerp


    Photo by Fuss, Wikipedia

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:24 AM
    Response to Reply #9
    10. Sutovsky - Timman, Round 5



    Emil Sutovsky
    Photo: ChessBase.com


    Emil Sutovsky - Jan Timman
    Inventi International Tournament, Round 5
    Antwerp, 22 September 2009

    Epine Dorsal: Horseman Defense (Jaenisch Opening)
    (Petroff Defense)


    1.e4 e5 2.Nf3 Nf6 3.Nxe5

    • For a more complete survey of theory around this opening, see Motylev-Gashimov, IT, Poikovsky, 2009.

    3...d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6 7.0-0 0-0 8.c4 c6 9.Re1

    • If 9.Qc2 Na6 10.a3 then:
      • If 10...Bg4 11.Ne5 then:
        • If 11...Bxe5 12.dxe5 Nac5 13.f3 Nxd3 14.Qxd3 Nc5 15.Qd4 Nb3 16.Qxg4 Nxa1 17.Bh6 g6 then:
          • 18.Nc3 18...Qb6+ 19.Rf2 Rfe8 20.Qf4 Qc7 21.Re2 Re6 22.Kf1 d4 23.Qxd4 draw (Ivanchuk-Alekseev, Tal Mem, Moscow, 2008).
          • 18.Bxf8 Qxf8 19.cxd5 cxd5 20.Rc1 Nb3 21.Rc7 Nc5 22.Nc3 Ne6 23.Rd7 Qc5+ 24.Kf1 d4 25.Ne4 Qxe5 26.Qh4 Kg7 27.Qe7 Rf8 28.Rxb7 d3 29.h3 h5 30.Rd7 Kh6 31.Rxd3 Qxb2 draw (Maletin-Karpov, Op, Novosibirsk, 2001).
        • 11...Bf5 12.b4 f6 13.Nf3 Qe8 14.b5 Qh5 15.bxa6 Bg4 16.Re1 Bxf3 17.gxf3 Qxh2+ 18.Kf1 f5 19.cxd5 cxd5 20.fxe4 fxe4 21.Bxe4 dxe4 22.Be3 Bg3 23.Ra2 Rf3 White resigns (Shirov-Bluvshtein, Op, Edmonton, 2005).
      • If 10...f5 11.Nc3 Nc7 then:
        • 12.b4 Nxc3 13.Qxc3 dxc4 14.Bxc4+ Be6 15.Bxe6+ Nxe6 16.Re1 Qd7 17.Ra2 Rae8 18.Rae2 Nc7 19.Ne5 Bxe5 20.dxe5 Re6 21.Rd2 Nd5 22.Qd4 a6 is equal (J. Polgar-Lautier, Rapid, Cap d'Agde, 2003).
        • 12.c5 Be7 13.Ne2 Bf6 14.Ne5 Ne6 15.f4 g5 16.b4 Qc7 17.g3 gxf4 18.gxf4 Bd7 draw (Jobava-Lautier, Euro ChT, Plovdiv, 2003).
    • If 9.Nc3 Nxc3 10.bxc3 then:
      • 10...dxc4 11.Bxc4 Bg4 12.Qd3 Nd7 13.Ng5 Nf6 14.h3 Bh5 15.f4 h6 16.g4 hxg5 17.fxg5 b5 18.Bb3 Nxg4 19.hxg4 Qd7 20.Qf5 Bxg4 21.Qxd7 Bxd7 22.Rxf7 Rxf7 23.g6 Be8 24.Be3 a5 25.Be6 Kf8 26.gxf7 Bxf7 yields an extra pawn to Black (Dr, Nunn-Salov, IT, Brussels, 1988).
      • 10...Bg4 11.cxd5 cxd5 12.Rb1 Nd7 13.h3 Bh5 14.Rb5 Nb6 15.c4 Bxf3 16.Qxf3 dxc4 17.Bc2 Qd7 18.a4 g6 19.Be3 Rac8 20.Rfb1 c3 21.a5 Nc4 22.Rxb7 Qe6 23.Ra1 Bb8 24.Bb3 Qd6 25.g3 Nxe3 26.Bxf7+ Kh8 27.Qxe3 gives White an extra pawn (Anand-Shirov, It, Linares, 2000).

    9...Bg4

    • If 9...Bf5 then:
      • If 10.cxd5 cxd5 11.Nc3 then:
        • If 11...Nxc3 12.bxc3 Bxd3 13.Qxd3 then:
          • 13...Nd7 14.Qf5 Nb6 15.Ng5 g6 16.Qh3 h5 gives White the advantage in space (Anand-Shirov, Corus A, Wijk aan Zee, 2004).
          • 13...Nc6 14.Ng5 g6 15.Qh3 h5 16.g4 gives White the advantage in space (Naiditsch-Bluvshtein, IT, Montreal, 2009).
        • 11...Bb4 12.Nxe4 Bxe1 13.Neg5 Bxf2+ 14.Kxf2 Qf6 15.Qc2 Rc8 16.Qb1 gives White the more active game (Grischuk-Lautier, Rpd, Cap d'Agde, 2003).
      • If 10.Qb3 Na6 then:
        • If 11.cxd5 cxd5 12.Nc3 Be6 13.a3 Nc7 14.Qc2 f5 then:
          • 15.Ne2 Bf7 16.Bf4 Bh5 17.Bxd6 Qxd6 18.Ne5 Bxe2 19.Bxe2 is equal (Akopian-Kasimdzhanov, Grand Prix, Moscow, 2002).
          • 15.Ne5 Rc8 16.Bf4 g5 17.Bd2 Na6 18.Qd1 Bxe5 19.dxe5 Nac5 gives Black the advantage in space (Fressinet-Gelfand, IT, Cannes, 2002).
        • 11.Nc3 dxc4 12.Bxc4 Nxc3 13.bxc3 b5 14.Bf1 Nc7 15.Bg5 Qd7 16.Ne5 Bxe5 17.dxe5 h6 18.Be3 Qe7 is equal (Jakovenko-Shirov, IT, Calvia, 2007).

    10.Bxe4

    • 10.h3 Bf5 11.Qb3 Na6 12.cxd5 cxd5 13.Nc3 Be6 14.Nb5 Nb4 15.Nxd6 Qxd6 16.Bb1 is equal (Short-Zhu Chen, TMatch, Jilin, 2002).

    10...dxe4 11.Rxe4 f5 12.Re6

    • 12.Re1 Bxf3 13.Qxf3 Qh4 14.h3 Qxd4 15.Qb3 Qb6 16.Qxb6 axb6 gives Black an extra pawn, but his queenside pawn structure provides White with some targets for attack (Ehlvest-Mamedyarov, Aeroflot Op, Moscow, 2002).

    12...Bc7 13.Nbd2?

    • 13.d5 Bxf3 14.Qxf3 Qh4 15.h3 Qxc4 16.Nc3 Ba5 17.Bd2 cxd5 18.b3 Qd4 19.Rd1 gives White an extra pawn and more space (Korbut-Meleshko, Russian ChTW, Sochi, 2006).

    13...Qxd4 14.Nxd4 Bxd1

    • White's forward Rook gives him the more active game; each side still needs to complete his devekopment.

    15.b3 Bh5 16.Ba3 Rd8

    • 16...Bb6 17.c5 Rd8 18.N2f3 Bxf3 19.Nxf3 Ba5 20.Re7 gives White a Rook on the seventh.

    17.N2f3 Bxf3

    • The text is better than 17...f4!? 18.Re7 Rd7 19.Rae1.

    18.gxf3!?

    • White is certainly not forced to weaken his pawn structure this way.
    • Better is 18.Nxf3 Na6 19.Re7 Re8 20.Rae1 Rxe7 21.Rxe7 when White has the more active game.

    18...Nd7?

    • Developing one of his own pieces should wait on taking the hanging Knight.
    • 18...Rxd4! 19.Re8+ Kf7 20.Re7+ Kg6 21.Rxc7 Rd7 is equal.

    BLACK: Jan Timman
    !""""""""#
    $t+ T +l+%
    $OoVm+ Oo%
    $ +o+r+ +%
    $+ + +o+ %
    $ +pN + +%
    $Bp+ +p+ %
    $p+ + P P%
    $R + + K %
    /(((((((()

    WHITE: Emil Sutovsky
    Position after 18...Nb8d7


    19.Nxf5!

    • White's extra pawn is part of a crippled kingside majority and means little.
    • Nevertheless, the Knight at f5 exerts pressure on e7, and that means a lot.

    19...Re8

    • If 19...g6 20.Nh6+ Kg7 21.Ng4 Re8 22.Rd1 then:
      • If 22...Nb6 23.Bb2+ then:
        • 23...Kf7 24.Rf6+ Kg8 25.Nh6+ Kg7 26.Rf7+ wins for White.
        • 23...Kf8 24.Rf6+ Kg8 25.Nh6+ transposes.
      • 22...Kf7 23.Rxc6 Bxh2+ 24.Kxh2 bxc6 25.Rxd7+ Ke6 26.Rd6+ wins for White.

    20.Rae1 Rxe6 21.Rxe6 Be5

    • Black makes a bid to trap the Rook.

    22.Re7!

    • But White has a refutation.

    22...Rd8 23.Bd6 Bxd6 24.Nxd6 Nc5

    • 24...b6 25.Nb7 Kf8 26.Nxd8 Kxe7 27.Nxc6+ gives White a second extra pawn.

    25.Nxb7 Rd1+ 26.Kg2 Nd3

    • If 26...Rd7 then after 27.Re8+ Kf7 28.Nxc5 Kxe8 29.Nxd7 Kxd7 30.h4 White wins the King and pawn ending.

    BLACK: Jan Timman
    !""""""""#
    $ + + +l+%
    $On+ R Oo%
    $ +o+ + +%
    $+ + + + %
    $ +p+ + +%
    $+p+m+p+ %
    $p+ + PkP%
    $+ +t+ + %
    /(((((((()

    WHITE: Emil Sutovsky
    Position after 26...Nc5d3


    27.Re8+!

    • The text is stronger than 27.Rc7 g5 28.h4 gxh4 29.Rxc6 Nf4+ 30.Kh2 when White is unable to protect his kingside pawns.

    27...Kf7 28.Nd6+ Kg6

    • If 28...Kf6 29.Ne4+ then:
      • If 29...Kf5 30.h3 Nf4+ 31.Kh2 Ng6 32.Rg8 more Black pawns disappear.
      • 29...Kf7 30.Rc8 Nf4+ 31.Kg3 Ne2+ 32.Kg4 Nd4 33.Rc7+ wins more pawns.

    29.Re4 h5 30.h4 Kf6 31.f4 Nc5

    • Black's position has been lost for all practical purposes for some time, but it's all over now, Baby Blue.
    • 31...g6 32.Kf3 Nc1 33.c5 Nxa2 34.Ra4 gives White a queenside majority.
    • 31...Rd2 32.Kf3 Nxf2 33.Re5 Rxd6 34.Kxf2 gives White the more active Rook.

    32.Re5! Nd3

    • If 32...Rxd6 33.Rxc5 g6 34.a3 then:
      • 34...Re6 35.Kf3 Kg7 36.f5 gxf5 37.Rxf5 leaves White two pawns up.
      • 34...Rd3 35.Rxc6+ Kf5 36.Ra6 Rxb3 37.Rxa7 leaves Black two pawns up with passers on the queenside.

    33.Ne4+ Kg6 34.f5+ 1-0

    • 34...Kf7 35.Nd6+ Kg8 36.Re8+ Kh7 37.Nf7 g6 38.f6 is curtains for Black.
    • Mh. Timman resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:25 AM
    Response to Reply #9
    11. Howell - Bacrot, Round 2
    Edited on Sun Sep-27-09 02:26 AM by Jack Rabbit



    Etienne Bacrot
    Photo by Stefan64, Wikipedia


    David Howell - Etienne Bacrot
    Inventi International Tournament, Round 2
    Antwerp, 19 September 2009

    Italian Clam Opening: Horseman Defense
    (King's Bishop Game)


    1.e4 e5 2.Bc4

    • Since Black is allowed to attack White's center pawn on the next move (as he does in the text), this opening has never been popular. One player who employed it with some regularity and success was Rudolf Spielmann.

    2...Nf6 3.d3

    • 3.Nc3 is the Vienna Game.

    3...c6

    • 3...Nc6 4.Nf3 Bc5 transposes into the Italian Royal Neo-Classical/Clam (Giucco Pianisimo).

    4.Nf3 d5

    • If 4...Be7 5.0-0 d6 then:
      • If 6.Re1 0-0 7.Nbd2 Nbd7 then:
        • If 8.c3 d5 9.Bb3 Qc7 10.Bc2 then:
          • If 10...Re8 11.Nf1 Bf8 12.Ng3 g6 13.h3 Bg7 14.Be3 Nf8 15.Qc1 Ne6 16.Bh6 Nf4 17.Bxg7 Kxg7 18.d4 exd4 19.e5 N6h5 20.Nxh5+ Nxh5 21.g4 dxc3 22.bxc3 f6 23.gxh5 fxe5 24.hxg6 gives White excellent winning chances (Ning-Panjanathan< IT, UT Dallas, 2007).
        • 10...dxe4 11.dxe4 Rd8 12.Nh4 g6 13.Qf3 Nc5 14.Nf1 Ne8 15.Qg3 Ng7 16.Bg5 Nh5 17.Qe3 Nf4 18.Bxe7 Qxe7 19.Rad1 is equal (Planinc-Knezevic, Majdanpek, 1976).
      • 8.a3 h6 9.Ba2 Re8 10.Nf1 Bf8 11.b4 a5 12.Bd2 b5 13.bxa5 Nc5 14.Bb3 d5 15.exd5 Nxb3 16.cxb3 Qxd5 17.Bc3 gives White the initiative and an extra pawn (Jovanovic-Brenjo, Op, Belgrade, 2008).
    • 6.c3 0-0 7.Bb3 Nbd7 8.Re1 Qc7 9.d4 Nb6 10.Nbd2 Bg4 11.h3 Bh5 12.dxe5 dxe5 13.Nf1 Rad8 14.Qe2 Nbd7 15.Ng3 Bg6 16.Bc2 is equal (Martinovic-Braga, IT, Amsterdam, 1986).

    5.Bb3 Bd6 6.exd5 cxd5

    • If 6...Nxd5 7.0-0 0-0 8.Re1 then:
      • If 8...Re8 9.Nbd2 Bc7 10.Ne4 then:
        • 10...Bg4 11.h3 Bh5 12.Ng3 Bg6 13.Bg5 Qd7 14.Nh4 Na6 15.Nxg6 hxg6 16.d4 exd4 17.Qxd4 Bb6 18.Qg4 Nc5 19.Bc4 Rxe1+ 20.Rxe1 Re8 21.Rd1 is equal (Tseshkovsky-Agzamov, ZT, Yerevan, 1982).
        • 10...Bf5 11.Bg5 f6 12.Bd2 Nd7 13.Nh4 Be6 14.Qh5 a5 15.a3 Nf4 16.Bxe6+ Nxe6 17.Re3 Nf4 18.Qg4 Nf8 19.g3 N4e6 20.Nf5 Kh8 21.Rf3 Qd7 is equal (Effimenko-Huzman, Aeroflot Op, Moscow, 2006).
      • 8...Nd7 9.Nbd2 Bc7 10.Ne4 h6 11.Bd2 Re8 12.a3 N5f6 13.Bb4 Nxe4 14.dxe4 Qf6 15.a4 a5 16.Ba3 Bb6 is equal (Bauer-Zatonskih, Op, Paris, 2006).

    7.0-0

    • If 7.Bg5 Be6 8.Nc3 Qa5 9.0-0 Nbd7 10.Qe1 then:
      • 10...Qc5 11.Bxf6 Nxf6 12.Nxe5 0-0 13.Nf3 Rfe8 14.d4 Qb6 15.Qd1 Bg4 16.h3 Bxf3 17.Qxf3 Qxd4 18.Nb5 Qe5 is equal (Taulbut-Scheeren, Politiken Cup, Copenhagen, 1981).
      • 10...d4!? 11.Ne4 Qb6 12.Bxe6 fxe6 13.Nxd6+ Qxd6 14.Bh4 Rc8 is equal (Fedorov-T. Mamedyarova, Op, Baku, 2008).

    7...Nc6 8.Re1!?

    • 8.Bg5 Be6 9.Nc3 Bc7 10.Re1 a6 11.Bh4 0-0 12.h3 Re8 13.Nh2 Qd6 14.Bxf6 gxf6 15.Qh5 Nd4 16.Ng4 Bd8 (Mitkov-Timoshchenko, Op, Ljubljana, 2003).

    8...Be6

    • The game is equal.

    9.Bg5 a6 10.Nc3

    • If 10.c4 dxc4 11.dxc4 then:
      • 11...Bb4 12.Bd2 Bc5 13.Nxe5 Nxe5 14.Rxe5 Bxf2+ gives Black the initiative.
      • If 11...Qc7 12.Nc3 Bb4 13.Qc2 0-0-0 14.Nd5! then:
        • 14...Bxd5 15.cxd5 Bxe1 16.dxc6 Bb4 17.Qf5+ gives White superior activity in compensation for the exchange.
        • 14...Nxd5 15.cxd5 Rxd5 16.Bxd5 Bxd5 17.Rec1 gives White a material edge.

    10...Bc7 11.Bh4 0-0 12.Bg3!?

    • White lets loose of the pin.
    • If 12.Qd2 Re8 then:
      • If 13.Qc1 Na5 14.Nxe5 then:
        • 14...d4 15.Ba4 b5 16.Nxb5 axb5 17.Bxb5 remains equal.
        • 14...Nxb3 15.axb3 d4 16.Na4 Bxb3 17.Ng4 remains equal.
      • 13.Bxf6 gxf6 14.Qh6 b5 15.a3 remains equal.

    BLACK: Etienne Bacrot
    !""""""""#
    $t+ W Tl+%
    $+oV +oOo%
    $o+m+vM +%
    $+ +oO + %
    $ + + + +%
    $+bNp+nB %
    $pPp+ PpP%
    $R +qR K %
    /(((((((()

    WHITE: David Howell
    Position after 12.Bh4g3


    12...d4!

    • Black seizes the initiative in the center.

    13.Bxe6 dxc3

    • 13...fxe6?! lets White turn the tables after 14.Ne4! Rc8 15.c3 Qd5 16.c4.

    14.Bb3 cxb2 15.Rb1 e4!?

    • Black has an open line to the Rook and should use it.
    • 15...Ba5 16.Re2 e4 17.dxe4 Qxd1+ 18.Rxd1 Rad8 forces the Rook to return to b1, leaving Black with the advantage in space.

    16.Bxc7 Qxc7 17.dxe4

    • White has equalized.

    17...Rad8 18.Qe2 Rfe8 19.Ng5!?

    • Less is more. White should lead with the pawn.
    • 19.e5 Re7 20.h3! Nd7 21.e6 fxe6 remains equal.

    19...Rd7

    • Naturally, Black fefends the f-pawn.

    20.f3

    • The text fortifies the e-pawn and is better than 20.Qe3 h6 21.Nxf7 Rxf7 22.Bxf7+ Qxf7 23.f3 Ne5.

    20...Ne5 21.Rxb2 h6

    • If 21...Qc3 22.Rbb1 Rd2 23.Qe3 Qxe3+ 24.Rxe3 h6 remains equal.

    22.Nh3
    BLACK: Etienne Bacrot
    !""""""""#
    $ + +t+l+%
    $+oWt+oO %
    $o+ + M O%
    $+ + M + %
    $ + +p+ +%
    $+b+ +p+n%
    $pRp+q+pP%
    $+ + R K %
    /(((((((()

    WHITE: David Howell
    Position after 24.Qe2f2


    22...Neg4!!

    • If 22...Nfg4? then White wins after 23.fxg4 Qc5+ 24.Nf2! Red8 25.Bd5.

    23.fxg4 Rxe4 24.Qf2?

    • What a difference a square makes! This inaccuracy cost Whte a tempo.
    • 24.Qf1 Nxg4 25.g3 Qc5+ 26.Kh1 then:
      • If 26...Qc6 then:
        • 27.Kg1 Qc5+ 28.Kh1 Qc6 29.Kg1 draws.
        • 27.Rxe4? Qxe4+ 28.Kg1 Ne3 29.Nf2 Qf3 wins for Black.
    • If 26...Rxe1 27.Qxe1 Qc6+ 28.Kg1 then:
      • 28...Qc5+ 29.Kh1 Qc6+ 30.Kg1 draws.
      • 28...b5? 29.Rb1! Qc5+ 30.Nf2! a5 31.a4 leaves White a piece to the good.

    24...Nxg4!

    • If the White Queen were at f1 (see previous note), she would not be under attack.

    25.Rxe4 Rd1+ 26.Qe1

    • White is forced to part with the Queen.

    26...Rxe1+ 27.Rxe1 Qb6+ 28.Kh1 Qd6

    • Black threatens mate on the move.

    29.Bxf7+

    • This is the best White can do.
    • 29.g3 Qd2 30.Re8+ Kh7 31.Kg1 Qxh2+ Black wins easily.

    BLACK: Etienne Bacrot
    !""""""""#
    $ + + +l+%
    $+O+ +bO %
    $o+ W + O%
    $+ + + + %
    $ + + +m+%
    $+ + + +n%
    $pRp+ +pP%
    $+ + R +k%
    /(((((((()

    WHITE: David Howell
    Position after 29.Bb3f7:p+


    29...Kf8!

    • White was trying to set a trap, but Black avoids it completely.
    • If 29...Kxf7!? 30.Rxb7+ then:
      • 30...Kg8! 31.Kg1 Qxh2+ 32.Kf1 Qh1+ 33.Ng1 Qh4 leaves Black to continue his fierce attack.
      • 30...Kf8?! 31.Rf1+ Kg8 32.Rf4 equalizes.

    30.Kg1 Qd4+!

    • Black wins the Rook at b2.

    31.Kh1 Qxb2

    • This move concludes the combination Black started with 24...Ng4. Black has a Queen for a Rook and a minor piece and still has the initiative.

    32.Be6 Qb4 33.Rf1+

    • No better is 33.Re2 Nf6 34.g3 Qc3 35.Kg2 Qc6+ 36.Kg1 Qf3.

    33...Ke7 34.Nf4 Nf2+ 35.Kg1 Qxf4 36.Bb3

    BLACK: Etienne Bacrot
    !""""""""#
    $ + + + +%
    $+o+ L O %
    $o+ + + O%
    $+ + + + %
    $ + + W +%
    $+b+ + + %
    $p+p+ MpP%
    $+ + +rK %
    /(((((((()

    WHITE: David Howell
    Position after 36.Be6b3


    36...Nh3+!!

    • Black sacrifices the Knight to open the way to the King.

    37.gxh3 Qg5+ 38.Kh1 b5 39.Re1+ Kd7 40.a4

    • If 40.Rd1+ then 40...Kc7 41.c4 bxc4 42.Bxc4 Qe3 creates a kingside pawn majority for Black.

    40...bxa4 41.Bxa4+ Kc7

    • 41...Kd6 42.Bb3 a5 43.Re6+ Kc5 44.Re4 Qf5 wins for Black.

    42.Bb3 a5 43.Re4 Qc1+ 44.Kg2 Qd2+ 45.Kg1

    • 45.Kg3 Qg5+ 46.Rg4 Qe5+ 47.Kf3 Kb6 48.Kg2 h5 wins for Black.

    45...g5 46.Re7+ Kd8 47.Re4 h5 48.Rc4

    • If 48.Ra4 Qe3+ 49.Kg2 Ke7 then:
      • If 50.Rc4 then after 50...Kd7 51.Ra4 Kd6 52.Rc4 Qe2+ 53.Kg1 Qf3 Black's pawn will advance.
      • If 50.Ra2 then after 50...Qe2+ 51.Kg1 Qf3 52.Ra4 Qxh3 Black's kingside pawns will advance.

    48...g4 49.hxg4 h4 0-1

    • If 50.h3 then after 50...Qe3+ 51.Kg2 Qg3+ 52.Kf1 Qxh3+ 53.Ke2 Qg2+ the h-pawn queens.
    • Mr. Howell resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:27 AM
    Response to Reply #9
    12. Michiels - A. Muzychuk, Round 4



    Anna Muzychuk
    Photo: Ajedrez.com (Argentina)


    Bart Michiels - Anna Muzychuk
    Inventi International Tournament, Round 4
    Antwerp, 21 September 2009

    Open Sicilian Game: Taimanov Defense (Szen Variation)


    1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6

    • For a detailed survey of the Taimanov Defense, see Smith-Stellwagan, IT, Malmø, 2008.

    6.Ndb5 Bc5

    • 6...d6 7.Bf4 e5 8.Bg5 a6 9.Na3 transposes into the Sveshnikov Defense.

    7.Bf4

    • 7.Nd6+ Ke7 8.Bf4 e5 9.Nf5+ Kf8 10.Bg5 Bb4 11.Qf3 h6 12.Bxf6 Qxf6 13.0-0-0 Ne7 14.Bc4 d6 15.Nxd6 Be6 16.Qxf6 gxf6 17.Bxe6 fxe6 18.Ne2 gives White an extra pawn (Zawadzka-C.-A. Foisor, OlW, Torino, 2006).

    7...0-0 8.Bc7 Qe7 9.Bd6 Bxd6 10.Qxd6 Qd8

    • 10...Ne8 11.Qxe7 Nxe7 12.0-0-0 f5 13.Nd6 Nxd6 14.Rxd6 fxe4 15.Nxe4 Nf5 16.Rd2 d5 17.Ng5 Nh4 18.g3 Nf3 19.Nxf3 Rxf3 20.Bg2 Rf6 21.c4 b6 22.cxd5 Bb7 23.f4 (Berg-Bellon, IT, Gothenborg, 2004).

    11.Qc7!?

    • The novelty is not an improvement over other moves.
    • 11.Nc7 Rb8 12.Be2 then:
      • 12...b6 13.e5 Ne8 14.Nxe8 Rxe8 15.f4 Bb7 16.Bf3 gives White more freedom and space (Galkin-Kabanov, Russian Ch ½-finals, Kazan, 2005).
      • 12...b5 13.e5 b4 14.exf6 bxc3 15.fxg7 Kxg7 16.Qg3+ gives White an excellent position (Filev-Karakehajov, Bulgarian ChT, Borovets, 2008).

    11...d5!

    • The game is equal.
    • Since the novelty gives White no initiative, as does 11.Nc7, Black is free to open up and let his pieces breathe.

    12.Qxd8!?

    • Exchanging Queens is not necessary; White will get no better than an equal game.
    • Better is 12.exd5 exd5 13.0-0-0 d4 14.Bc4 Bg4 15.f3 a6 with equality.

    12...Rxd8 13.exd5 exd5 14.Rd1

    • White can no longer profit by attacking the Rook at a8.
    • 14.Nc7?! Rb8 15.Bd3 d4 16.Ne4 Nxe4 17.Bxe4 Rd7 gives Black a strong game.

    14...Bf5!

    • This assures that if White plays the Knight to c7, Black will be able to attack White's Rook with 15...Bxc2.

    15.Nc7 Bxc2 16.Rd2

    • If White takes the Rook, then Black can generate so many threats that she need be in no hurry to recapture.
    • 16.Nxa8 Bxd1 17.Kxd1 d4! 18.Nb5 Ne4! (Black threatens 19...Nxf7+!) 19.Rg1 Rxa8 gives Black excellent winning chances.

    16...Rac8

    • The game is equal.

    17.N7xd5 Nxd5 18.Rxd5
    BLACK: Anna Muzychuk
    !""""""""#
    $ +tT +l+%
    $Oo+ +oOo%
    $ +m+ + +%
    $+ +R+ + %
    $ + + + +%
    $+ N + + %
    $pPv+ PpP%
    $+ + Kb+r%
    /(((((((()

    WHITE: Bart Michiels
    Position after 18.Rd2d5:N


    18...Nb4!?

    • 18...Rxd5 19.Nxd5 Rd8 20.Ne3 Nd4 gives Black more room to maneuver.

    19.Rxd8+ Rxd8 20.a3 Nd3+

    • 20...Nc6 21.g3 Ne5 22.f4 Nd3+ 23.Bxd3 Bxd3 24.Kf2 remains equal.

    21.Bxd3 Bxd3 22.h4 f6 23.Rh3

    • This is the only way for White to develop the Rook.

    23...Kf7 24.Re3 Rd4 25.f4 a5

    • White advances on the kingside; Black decides to play on the other wing.
    • 25...h5 26.b4 a6 27.g3 b5 28.Kf2 remains equal.

    26.g3 b5 27.Ne2 Rd7 28.Nc3

    • 28.g4 g6 29.Nc1 Bc2 30.Kf2 h5 remains equal.

    28...Kg6 29.Kd2 Bf5+ 30.Ke1 Bd3 31.Kd2 Bc4+ 32.Kc2

    • If 32.Ke1 a4 33.Ne4 then:
      • 33...h5 34.Nd2 Kf5 35.b3 axb3 36.Nxb3 Rd5 remains equal.
      • 33...Kf5 34.Nc5 Rd6 35.b4 axb3 36.Nxb3 remains equal.

    32...a4 33.Ne4 Bb3+ 34.Kc3 Rc7+!?

    • As the White King was going to b4 in any case, Black should have used her time more productively.
    • 34...Kf5 35.Nc5 Rc7 36.Kb4 Bc4 37.Ne4 Rd7 remains equal.

    BLACK: Anna Muzychuk
    !""""""""#
    $ + + + +%
    $+ T + Oo%
    $ + + Ol+%
    $+o+ + + %
    $o+ +nP P%
    $PvK R P %
    $ P + + +%
    $+ + + + %
    /(((((((()

    WHITE: Bart Michiels
    Position after 34...Rd7c7:p+


    35.Kb4!

    • White threatens to whittle away at Black's queenside.

    35...Rc2

    • If 35...f5 then White wins a pawn after 36.Nc3 Rb7 37.Re5.

    36.Kxb5 Rxb2 37.Nc5 Bd1+

    • Embarking on a plan to liquidate White'a kingside pawns would not prove fruitful for Black at this moment.
    • 37...Kf5?! 38.Nxa4 Bxa4+ 39.Kxa4 h6 40.Rb3 gives White the advantage of the outside passed pawn.

    38.Ka5

    • 38.Kc4 Rd2 39.Kc3 Rd5 40.Ne6 Kh6 41.Nd4 gives White a little more room to maneuver.

    38...Rb8 39.Re7 h5!?

    • Black misses an opportunity to improve her fortunes.39...Ra8+ 40.Kb6 f5 41.Rd7 Rb8+ 42.Kc7 Rb1 equalizes.

    40.Ne6 Rg8 41.Nd4 Rd8

    • The game is equal.
    • 41...Ra8+ 42.Kb4 Rb8+ 43.Kc5 Rc8+ 44.Kb5 Rc3 45.Kb4 is equal.

    42.Ne6 Rd3 43.Nxg7

    BLACK: Anna Muzychuk
    !""""""""#
    $ + + + +%
    $+ + R N %
    $ + + Ol+%
    $K + + +o%
    $o+ + P P%
    $P +t+ P %
    $ + + + +%
    $+ +v+ + %
    /(((((((()

    WHITE: Bart Michiels
    Position after 43.Ne6g7:p


    43...f5!

    • White's kingside is now under iron restraint.

    44.Ne8

    • If 44.Kb4!? then after 44...Rxg3 45.Ne8 Rf3 White's kings pawns fall like autumn leaves.

    44...Rxa3 45.Rg7+!

    • The game remains equal.
    • The prevents Black from liquidating White's kingside, but it ties up both White pieces in the process.
    • 45.Rd7 Bg4 46.Rg7+ Kh6 47.Ra7 Rxg3 48.Nd6 Rf3 White's kingside falls, giving Black a powerful advantage.

    45...Kh6 46.Rg5!?

    • The Rook is in a confined space. Confined Rooks are not happy Rooks.
    • 46.Rd7 Ra1 47.Rd6+ Kh7 48.Rd7+ Kg6 49.Rg7+ Kh6 remains equal.

    46...Rd3 47.Nf6

    • 47.Ng7 a3 48.Nxf5+ Kh7 49.Rg7+ Kh8 50.Ra7 Rd5+ exchanges Black's passer for the Knight, giving Black a powerful advantage.

    47...Rd6 48.Ng8+!?

    • White sacrifices his Knight in order to liquidate Black's kingside. This turns out to be a risky play.
    • If 48.Ne8 Rd5+ 49.Kb4 Rd4+ 50.Kc3 a3 then:
      • 51.Rxf5 Ra4 52.Rf6+ Kh7 53.Rd6 Be2 54.Rd7+ remains equal.
      • If 51.Ng7 Rd7 52.Nxf5+ Kh7 then:
        • 53.g4 hxg4 54.Ne3 g3 55.Ra5 Rf7 remains equal.
        • 53.Ne3 Ra7 54.Nc2 Bg4 55.Na1 remains equal.

    48...Kh7 49.Kb4 Re6 50.Ka3 Bb3 51.Rxh5+

    • White has better chances of survival after
    • 51.Kb4 Re4+ 52.Ka3 Bxg8 53.Rxh5+ Kg7 54.Rg5+ Kh8.

    51...Kxg8 52.Rxf5

    • The following is presented to illustrate why one should avoid giving useless checks:
    • 52.Rg5+? Kh7 53.Rxf5 Re3! loses a tempo for White compared to the text, in which case White loses much faster and more surely.

    BLACK: Anna Muzychuk
    !""""""""#
    $ + + +l+%
    $+ + + + %
    $ + +t+ +%
    $+ + +r+ %
    $o+ + P P%
    $Kv+ + P %
    $ + + + +%
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    /(((((((()

    WHITE: Bart Michiels
    Position after 51.Rh5f5:p


    52...Re3!

    • If White can exchange Rooks and spead out his pawns, he draws.
    • If 52...Bc2? 53.Re5! then:
      • 53...Rg6 54.Rg5! Rxg5! 55.fxg5 Kg7 draws.
      • If 53...Rxe5 54.fxe5 Kf7 55.h5 Bb3 then:
        • 56.g4! Ke6 57.h6 draws.
        • If 56.h6? then 56...Kg6 wins for Black.

    53.Rg5+ Kf7 54.Kb4?

    • White misses a chance to get back in the game.
    • If 54.h5! Bd1+ 55.Ka2 Rc3 56.Kb2 then:
      • 56...Rb3+ 57.Kc1 Bf3 58.h6 a3 59.h7 Rb8 60.Ra5 Kg7 both passers fall, leaving Black better but White can put up a fight.
      • 56...Rf3 57.h6 Rf2+ 58.Ka3 Rh2 both passer fall, but White has practical chances to draw although Black is better

    54...Bd1

    • Black must play carefully.
    • If 54...Re4+!? 55.Ka3! Bd1 then:
      • 56.Re5 then:
        • 56...Rd4 57.Re3 Kg7 58.Rc3 Kf6 keeps Black on top.
        • If 56...Rxe5? then 57.fxe5! Ke6 58.h5! draws.

    55.h5 a3 56.Rf5+ Kg7 57.Rd5 Rb3+ 58.Kc4

    • 58.Kc5 Be2 59.Rg5+ Kh6 60.Kd4 Rb4+ 61.Ke3 Ra4 leaves Black no way to stop the a-pawn.

    BLACK: Anna Muzychuk
    !""""""""#
    $ + + + +%
    $+ + + L %
    $ + + + +%
    $+ +r+ +p%
    $ +k+ P +%
    $Ot+ + P %
    $ + + + +%
    $+ +v+ + %
    /(((((((()

    WHITE: Bart Michiels
    Position after 58.Kb4c4


    58...a2!!

    • White must surrender the Rook in ordeer to stop the pawn.
    • Also good is 58...Rb1! when:
      • 59.Ra5 a2 60.Rxa2 Bb3+ wins the Rook.
      • If 59.h6+ then after 59...Kxh6 60.Rd6+ Kg7 61.Rd7+ Kf6 62.Ra7 a2 Black must either allow the pawn to queen or lose the Rook.

    59.Rxd1 Rb1 60.Rd7+ Kh6 61.Ra7 a1Q 62.Rxa1 Rxa1 63.Kd5 Kxh5 0-1

    • White's pawns are not nearly advanced far enough to cause Black any difficulty in winning.
    • Mh. Michiels resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:29 AM
    Response to Reply #1
    13. Cuna de Ajedrez Moderno Rapid Match, Valencia



    Children Walking to School in Valencia
    Photo: Wikipedia (public domain)

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:30 AM
    Response to Reply #13
    14. Kasparov - Karpov, Round 2



    Garry Kasparov and Anatoly Karpov
    in Valencia

    Photo: ChessBase.com


    Garry Kasparov - Anatoly Karpov
    Cuna de Ajedrez Moderno Rapid Match, Round 2
    Valencia, 22 September 2009

    Orthodox Queen's Gambit: Exchange Opening


    1.d4 d5 2.c4 e6 3.Nc3 Be7 4.cxd5

    • 4.Nf3 Nf6 5.Bg5 transposes into an Orthodox Queen's Gambit.

    4...exd5 5.Bf4 c6

    • If 5...Nf6 6.e3 0-0 7.Bd3 c5 then:
      • If 8.Nf3 Nc6 9.0-0 then:
        • 9...c4 10.Bc2 Bg4 11.h3 Bh5 12.g4 Bg6 13.Ne5 Bb4 14.Bg5 Bxc2 15.Qxc2 Bxc3 16.bxc3 Re8 is equal (Vyzmanavin-Timoshchenko, Soviet Ch 1st League, Irtusk, 1986).
        • If 9...Bg4 10.dxc5 Bxc5 11.h3 Bxf3 12.Qxf3 d4 13.Ne4 Be7 14.Nxf6+ Bxf6 15.e4 Ne5 16.Bxe5 Bxe5 is equal (Yakovich-Timoshchenko, Soviet Ch prelim, Barnaul, 1988).
      • If 8.Nge2 Nc6 9.dxc5 Bxc5 10.0-0 Be6 11.Rc1 Bd6 12.Qa4 Ne5 13.Rfd1 Qb6 14.Qb5 Nxd3 15.Qxb6 axb6 16.Rxd3 Be7 17.a3 Rac8 18.f3 Rfd8 19.Kf2 h6 20.Rdd1 gives White the advantage in space (Braun-Porat, World Youth, Belfort, 2005).

    6.Qc2

    • If 6.e3 Bf5 then:
      • If 7.g4 then:
        • If Be6 then:
          • If 8.h3 then:
            • If 8...Nd7 9.Bd3 h5 10.gxh5 Ndf6 11.h6 Nxh6 12.Qc2 then:
              • 12...Nh5 13.Be5 f6 14.Bh2 Bd6 15.Bg6+ Bf7 16.Nf3 Bxg6 17.Qxg6+ Nf7 is equal (Botvinnik-Petrosian, World Ch Match, Moscow, 1963).
              • 12...Qd7 13.Nf3 Bf5 14.Ne5 Bxd3 15.Nxd3 Bd6 16.Be5 Qe7 17.0-0-0 Nf5 18.Kb1 Ne4 is equal (Lputian-Geller, City Ch, Riga, 1985).
            • 8...Nf6 9.Nf3 0-0 10.Bd3 c5 11.Kf1 Nc6 12.Kg2 cxd4 13.Nxd4 Bd6 14.Bxd6 Qxd6 15.Nce2 Rfe8 16.Rc1 Bd7 is equal (Geller-Spassky, City Ch, Moscow, 1967).
          • If 8.h4 Nd7 9.h5 Nh6 10.Be2 Nb6 then:
            • 11.Rc1 Bd6 12.Nh3 Bxf4 13.Nxf4 Bd7 14.Rg1 g5 15.hxg6 hxg6 16.Kd2 Qe7 17.b3 g5 18.Nd3 0-0-0 19.Rh1 f6 20.Qg1 Nf7 21.Qg3 Qd6 22.Qxd6 Nxd6 23.f3 Rdg8 is equal (Kasparov-Karpov, World Ch Match, Moscow, 1984-95).
            • 11.Nh3 g5 12.hxg6 hxg6 13.f3 Bh4+ 14.Nf2 g5 15.Bh2 Qe7 16.e4 dxe4 17.fxe4 Nc4 18.Bxc4 Nxg4 is equal (Turov-Vaganian, Aeroflot Op, Moscow, 2002).
      • If 7.Nge2 Nd7 8.Ng3 Bg6 9.Be2 then:
        • If 9...Ngf6 10.h4 h5 11.Bf3 Qb6 12.Qd2 Qa6 then:
          • 13.Be2 Qb6 14.Bf3 Qa6 15.Be2 Qb6 16.a3 a5 17.0-0 0-0 18.Bd3 Bxd3 19.Qxd3 Rfe8 is equal (Juhnke-Saacke, Bundesliga 8182, Germany, 1982).
          • 13.Rd1 Nb6 14.Bg5 Rd8 15.b3 Nbd7 16.Nce2 Qa3 17.0-0 Bb4 18.Nc3 Qa5 19.Rc1 0-0 20.a4 Rde8 is equal (Vaganian-Georgadze, Soviet Ch, Minsk, 1979).
        • 9...Qb6 10.Qd2 Ngf6 11.0-0 0-0 12.Na4 Qd8 13.Rfc1 a6 14.Bd3 Ne4 15.Nxe4 dxe4 16.Bf1 Nf6 is equal (Riazantsev-Malakhov, Russian Ch, Elista, 2001).

    6...Bd6 7.Bxd6

    • If 7.Bg3 Ne7 8.e3 Bf5 9.Qb3 then:
      • 9...Nc8 10.Nf3 0-0 11.Be2 Qb6 12.Nd2 Nd7 13.0-0 Bxg3 14.hxg3 Re8 15.Qa3 a5 16.b3 Qc7 17.Rac1 Qd6 18.Qb2 Qe7 19.Bf3 Nd6 20.Rfe1 Nf6 21.Na4 h5 22.Nc5 g6 23.Be2 Nfe4 24.Ncxe4 Nxe4 25.Nxe4 Bxe4 26.Rc5 Qg5 27.Qd2 Qd8 draw (I. Smirin-Roiz, World Blitz Ch, Rishon Le Zion, 2006).
      • If 9...Bxg3 10.hxg3 Qb6 then:
        • 11.Nf3 Qxb3 12.axb3 Be6 13.b4 0-0 14.Bd3 a6 15.Na4 h6 16.Nc5 a5 17.Kd2 b5 18.Ra3 gives White a comfortable advantage in space (Gulko-Lputian, Op, Glendale, 1994).
        • 11.Be2 Nd7 12.g4 Be6 13.Nh3 0-0-0 14.Qa3 Rhe8 15.Nf4 h6 16.b4 Kb8 17.Rb1 Ng6 18.Nd3 Rc8 19.0-0 Qd8 20.b5 gives White the advantage in space (Bareev-Khaifman, Soviet Ch, Leningrad, 1990).

    7...Qxd6 8.e3 Ne7

    • If 8...Qg6 9.Qd2 Nd7 then:
      • 10.f3 Nb6 11.Bd3 Qh6 12.Qf2 Ne7 13.Nge2 Nf5 14.Nd1 0-0 15.0-0 Be6 16.e4 Ne7 17.Ng3 f5 18.exf5 Nxf5 19.Nxf5 Bxf5 20.Bxf5 Rxf5 21.Ne3 Rff8 22.Ng4 Qd6 23.Rfe1 Rae8 24.Rxe8 Rxe8 25.Re1 Rxe1+ 26.Qxe1 draw (Kramnik-Belikov, Russian Ch, Kuibyshev, 1990).
      • 10.Nge2 Nb6 11.Nf4 Qd6 12.0-0-0 Ne7 13.f3 Ng6 14.Nxg6 hxg6 15.e4 Be6 16.e5 Qe7 17.f4 0-0-0 18.b3 Kb8 is equal (Rustemov-Vaganian, Bundesliga 0607, Remagen, 2007).

    9.Bd3 Nd7

    • If 9...g6 10.Nge2 Bf5 11.0-0 0-0 then:
      • 12.f3 Bxd3 13.Qxd3 Nd7 14.e4 gives White the advantage in space (Timoshchenko-Fokin, TT, Novosibirsk, 1986).
      • 12.Nf4 Nd7 13.Rfd1 a5 14.Rac1 Qf6 15.Na4 Qg5 16.Nc5 Nxc5 17.Qxc5 Bxd3 18.Rxd3 Nf5 19.Rb3 gives Black a more active game (Tandivar-Kayumov, Op, Dubai, 2004).

    10.Nge2!?

    • If 10.Nf3 Nf6 then:
      • If 11.h3 g6 12.g4 Be6 13.0-0-0 then:
        • 13...Nd7 14.Kb1 h5 15.Ng5 Nf6 16.f3 0-0-0 17.Ne2 White's active Knight a g5 tips the balance in his favor (Guseimov-Burmakin, Op, Dubaim 2005).
      • 13...0-0 14.Kb1 Nd7 15.Rhg1 Rac8 16.Nh4 c5 17.Nf5 Bxf5 18.gxf5 Qf6 is equal (Knaak-Baier, Bundesliga 0809, Bremen, 2008).
    • If 11.0-0 then:
      • 11...0-0 12.Rab1 g6 13.b4 Bf5 14.Na4 Rac8 15.Nc5 b6 16.Bxf5 Nxf5 17.Nd3 Rc7 18.Rfc1 Rfc8 draw (Gligoric-Portisch, IT, Palma de Mallorca, 1967).
      • 11...Ng6 12.Rab1 0-0 13.Bf5 Re8 14.b4 Bxf5 15.Qxf5 Rac8 16.Rfc1 b6 is equal (Porat-Zak, IMT, Tel Aviv, 2001).

    10...h6!?

    • The text gives White a small advantage in space that will descend into equality.
    • 10...Nf6 11.Nf4 0-0 12.0-0 Re8 13.Rfc1 a6 14.Na4 also gives White the edge in space.

    11.0-0 0-0 12.a3 a5

    • If 12...Re8 then after 13.Rfc1 Nf6 14.Nf4 White continues to enjoy an advantage in space.

    13.Rad1

    • Ther game is equal.
    • 13.Rfc1 b6 14.b3 Nf6 15.Nf4 Re8 16.Na4 Rb8 is equal.

    13...b6

    • 13...Re8 14.Rc1 b6 15.e4 Bb7 16.e5 Qe6 reamins equal.

    14.e4 dxe4

    • If 14...Re8 15.Rfe1 then:
      • 15...dxe4! 16.Bxe4 Nf6 17.Qb3 Nxe4 18.Nxe4 remains equal.
      • 15...Bb7!? 16.e5! Qe6 17.h3 gives White the advantage in space.

    15.Nxe4 Qb8!?

    • 15...Qc7 16.Rfe1 Re8 17.Bc4 Bb7 18.Qb3 Nd5 remains equal.

    16.N2c3 Ba6

    • After 16...Re8 17.Rfe1 Qf4 18.Qd2 Qc7 19.Rc1 neither side has particularly promising prospects.

    17.Bxa6 Rxa6

    BLACK: Anatoly Karpov
    !""""""""#
    $ W + Tl+%
    $+ +mMoO %
    $tOo+ + O%
    $O + + + %
    $ + Pn+ +%
    $P N + + %
    $ Pq+ PpP%
    $+ +r+rK %
    /(((((((()

    WHITE: Garry Kasparov
    Position after 17...Ra8a6:B


    18.d5!

    • White rids himself of the isolated d-pawn before it becomes a liability.

    18...Nxd5

    • 18...cxd5 19.Nxd5 Nxd5 20.Rxd5 is a transposition.

    19.Nxd5 cxd5 20.Rxd5 Ra7

    • White definitely has the better game.
    • Black way of protecting the Knight is better than 20...Rd8? 21.Rfd1 Ra7 22.Qa4 when:
      • 22...Qf4 23.Rd6 Qe5 24.Ng3 Qe7 25.Nf5 keeps pressure on the Knight.
      • 22...Qc7 23.Nd6 Nf6 24.Nb5 Nxd5 25.Nxc7 Rxc7 gives White the Queen for a Rook and a Knightt.

    21.Qd2 Nc5?

    • Black should play to the center to block the mobility of White's pieces.
    • 21...Ne5! 22.Rd1 Re7 23.Nd6 Re6 24.b3 Ng4 25.Rd4 leaves White with the advantage in space, but nothing to do with it.

    BLACK: Anatoly Karpov
    !""""""""#
    $ W + Tl+%
    $T + +oO %
    $ O + + O%
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    $ + +n+ +%
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    WHITE: Garry Kasparov
    Position after 21...Nd7c5


    22.Nf6+!!

    • The sacrifice is stronger than simply winning the pawn by 22.Nxc5 bxc5 23.Rc1 Re8 24.Rdxc5.

    22...gxf6 23.Qxh6 f5 24.Qg5+!

    • Black is doomed.
    • 24.Rxf5? f6! 25.Rxf6 Rxf6 26.Qxf6 Rf7 27.Qg5+ is equal.

    24...Kh8 25.Qf6+ Kg8 26.Rxf5 Ne4

    • If 26...Nd7 say "goodnight" after 27.Rg5+ Kh7 28.Qg7#.

    27.Qh4 Re8 28.Rh5 f5 1-0

    • 29.Rh8+ Kf7 30.Qh7+ Kf6 31.Qh6+ Ke5 32.f4+ etc.
    • Anatoly Evgenievich resigns withou waiting for Garry Kimovich to reply.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:31 AM
    Response to Reply #13
    15. Karpov - Kasparov, Round 3



    Anatoly Karpov and Garry Kasparov in Valencia
    Photo: ChessBase.com


    Anatoly Karpov - Garry Kasparov
    Cuna del Ajedrez Moderno Rapid Match, Round 3
    Valencia, 23 September 2009

    West India Game: Indian Queen's Gambit
    (Grünfeld Defense)


    1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.cxd5 Nxd5 6.e4

    • If 6.Nf3 0-0 7.0-0 Nb6 8.Nc3 Nc6 then:
      • If 9.e3 Re8 then:
        • 10.Ne1 e5 11.d5 Na5 12.e4 c6 13.Nc2 cxd5 14.exd5 Nac4 15.b3 Nd6 16.Bb2 e4 17.Rb1 Nd7 18.Ne3 f5 19.Ne2 Bxb2 20.Rxb2 Ne5 21.Rc2 Bd7 22.Nf4 Qf6 23.Qd2 draw (Vukic-Jansa, Op, Zenica, 1986).
        • If 10.d5 Na5 11.Nd4 Bd7 12.e4 c6 13.Re1 cxd5 14.exd5 Rc8 then:
          • 15.Bf4 Nac4 16.b3 Nd6 17.Qd2 Nf5 18.Nde2 Na8 19.Rac1 Qa5 20.Ne4 Qxd2 21.Bxd2 Bb2 22.Rxc8 Rxc8 23.Bc3 Bxc3 24.N4xc3 Nc7 25.Rc1 doesn't offer either side a lot (Maric-Lahno, OlW, Dresden, 2008).
          • 15.Rb1 Nac4 16.b3 Nd6 17.Bb2 Na8 18.Nce2 Qa5 19.a4 Nc7 20.Bc3 Qb6 is equal (Aronian-Miroshnichenko, Euro Ch, Antalya. 2004).
        • If 9.d5 Na5 10.e4 c6 11.Bg5 h6 12.Bf4 cxd5 then:
          • 13.exd5 Nac4 14.Qe2 g5 15.Bc1 Bg4 16.h3 Bh5 17.g4 Bg6 18.h4 Qd7 19.hxg5 Qxg4 20.gxh6 Bf6 21.Re1 Rac8 22.Ne4 Qxe4 23.Qxe4 Bxe4 24.Rxe4 Nxd5 25.Nd2 draw (Krogius-Hort, IT, Varna, 1969).
          • If 13.Nxd5 Nac4 then:
            • 14.Nc7 Rb8 15.Qxd8 Rxd8 16.Rad1 Bg4 17.b3 Rxd1 18.Rxd1 Ne5 is equal (Romanishin-Ftacnik, Euro Ch, Istanbul, 2003).
            • 14.Qe2 g5 15.Nc7 Rb8 16.Rad1 Bd7 17.Ne6 fxe6 18.Bxb8 Qxb8 19.Rxd7 Nxd7 20.Qxc4 Qd6 21.Qa4 gives White the initiative (Romanishin-van Mil, IT, Gyor, 1990).

      6...Nb6 7.Ne2 c5

      • If 7...0-0 8.0-0 then:
        • If 8...Nc6 9.d5 Na5 10.Nbc3 c6 then:
          • 11.b3 cxd5 12.exd5 Bg4 13.f3 Bd7 14.Ba3 Re8 15.Rc1 e6 16.d6 Bc6 17.Nd4 is equal (Obukhov-Kostur, Op, Kurgan, 1994).
          • 11.Re1 cxd5 12.exd5 Nac4 13.b3 Nd6 14.h3 Bd7 15.Bb2 Qc8 16.Rc1 Bxh3 17.Ne4 Qf5 18.Nxd6 exd6 19.Bxh3 Qxh3 is equal (Akopian-Vachier Lagrave, TMatch, Paris, 2009).
        • If 8...e5 9.d5 c6 10.Nbc3 cxd5 11.exd5 then:
          • 11...Bf5 12.b3 Qd7 13.Ba3 Rd8 14.Re1 Na6 15.Qd2 Rac8 16.Rad1 is equal (Morovic-Miles, IT, Linares, 1994).
          • 11...Na6 12.b3 f5 13.Ba3 Rf7 14.Qd3 Bd7 15.d6 Be6 16.Rad1 gives White the advantage in space (Tregubov-Brendel, Op, Deizisau, 2001).

      8.d5 e6 9.0-0 0-0 10.Nec3

      • If 10.Nbc3 Na6 then:
        • 11.Nf4 exd5 12.Nfxd5 Nxd5 13.exd5 Bf5 14.g4 Bd7 15.d6 Nb4 16.Bxb7 Qh4 17.Bf4 gives White an extra pawn and the initiative (Melkumyan-Khrismatullin, Aeroflot Op, Moscow, 2008).
        • If 11.h3 exd5 12.exd5 Nc4 13.b3 Nd6 14.Bf4 b6 15.Qd2 then:
          • 15...Re8 16.Rad1 Bb7 17.g4 Nc7 18.a4 Qd7 19.Rfe1 Rad8 20.Bg5 Rc8 is equal (Kempinski- is equal ().
        , Euro Ch, Dresden, 2007).
  • 15...Bb7 16.Rad1 Nc7 is equal (Karpov-Kasparov, Rpd Match Rd 1, Valencia, 2009).

  • 10...Na6 11.a4

    • 11.Na3 exd5 12.exd5 Bf5 13.Be3 Qd7 14.Re1 Rfe8 15.Qd2 Nb4 16.Bh6 Bxh6 17.Qxh6 Nd3 18.Rxe8+ Rxe8 gives Black the advantage in space (Hulak-Brkic, Croatian Ch, Split, 2008).

    11...exd5 12.exd5 Nb4!?

    • 12...Bf5 13.Na3 Nb4 14.Be3 Rc8 15.Qd2 a5 16.Bh6 Bd3 17.Rfe1 Bxh6 18.Qxh6 N4xd5 is equal (Hellers-Ftacnik, ITZ, Biel, 1993).

    13.Be3

    • The game is equal.

    13...Bd4!?

    • After two victories the day before, Garry Kimovich is feeling frisky.
    • 13...Nd7 14.Na3 b6 15.Qb3 Ne5 16.a5 Re8 17.h3 remains equal.

    14.a5!

    • Also good is
    • 16.Rxa7? Rb8! 17.Na4 Nxd5 18.Nxc5 Ne3 19.fxe3 Bxe3+ gives Black two Bishops in an open center and an extra pawn after 20...Qxb6.

    16...Bf5 17.Na3 Rxa7!?

    • The pawn was not going to run away. Black should have been in more of a hurry to attack vulnerable pieces in White's camp.17...Bd3 18.Nab5 Bxc3 19.Nxc3 Bxf1 20.Bxf1 Qb6 gives Black a slight material edge..

    18.Ncb5! Rxa3?!

    • If 18...Bd3 19.Nxa7 Bxf1 then:
      • If 20.Kxf1! Qf6 21.Qf3 Qa6+ 22.Qe2 then:
        • 22...Bxb2! 23.Qxa6 bxa6 24.Nc2 Nxc2 25.Rxa6 is equal.
        • 22...Qxe2+? 23.Kxe2 Bxb2 24.Rb1 Bxa3 25.Nb5 Ra8 26.d6 gives White an extra pawn and an advanced passer that Black can't watch too carefully.
      • 20.Qxf1? Bxb2 21.Nc2 Bxa1 22.Nxb4 cxb4 23.Qxa1 Qb6 gives Black the advantage with the pawns on the roll.

    19.Rxa3 Bxb2 20.Re3 Qb6?!

    • Black abandons the d-file, making it easier for White to advance his passer.
    • 20...c4 21.d6 Bd3 22.Qd2 then:
      • 22...c3 23.Nxc3 Bxc3 24.Qxc3 Bxf1 25.Qxb4 Bxg2 26.Kxg2 gives White the more active game, but Black has some potential counterplay with his b-pawn.
      • 22...Bxf1 23.Bxf1 c3 24.Nxc3 Bxc3 25.Rxc3 Nc6 26.d7 gives White the more active game.

    BLACK: Garry Kasparov
    !""""""""#
    $ + + Tl+%
    $+o+ +o+o%
    $ W + +o+%
    $+nOp+v+ %
    $ M + + +%
    $+ + R P %
    $ V + PbP%
    $+ +q+rK %
    /(((((((()

    WHITE: Anatoly Karpov
    Position after 20...Qd8b6


    21.Qe2!

    • White has a powerful position. Everything is defended, on undefended Black piece is under attack and the d-pawn is ready to roll.

    21...Bg7 22.Rd1 Bd7 23.Na3 Bd4 24.Re7!

    • Black forces away an obstacle to the pawn's advance.

    24...Ba4 25.Rc1

    • If 25.Rb1 Rd8 26.Nc4 then:
      • 26...Qf6 27.Rxb7 Nxd5 28.Bxd5 Rxd5 29.R7b6 gives White the initiative.
      • 26...Qa6 27.Rc7 Re8 28.Qf3 f5 29.Qf4 gives White excellent winning chances.

    25...Qf6 26.Rxb7 Bb2 27.Rxc5 Bxa3 28.h4 Nd3 29.Ra5!

    • Also good is 29.Rcc7 Qa1+ 30.Kh2 Ne1 31.Ra7.

    29...Nc5 30.Rba7 Qd4 31.Qe3 Qxe3 32.fxe3 Bc1 33.Kf2 Nd3+?

    • 33...Re8 34.Rxc5 Bxe3+ 35.Kf1 Bxc5 36.Rxa4 White still has the advantage of the outside passer.

    BLACK: Garry Kasparov
    !""""""""#
    $ + + +l+%
    $R + +o+o%
    $ + + +o+%
    $R +p+ + %
    $v+ + + P%
    $+ +mP P %
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    /(((((((()

    WHITE: Anatoly Karpov
    Position after 33...Nc5d3


    34.Ke2!

    • White demonstrates the futility and folly of Black's last move. After Black replies 34...Bc2, the presence of the White King amid Black pieces effectively freezes them as they are; if any one of them moves, another will fall.

    34...Bc2

    • If 34...Nb2 35.Rxa4 Nxa4 36.Rxa4 then:
      • 36...Rb8 37.d6 Kf8 38.Ra8 Rxa8 39.Bxa8 Ke8 40.Bc6+ gives White a winning advantage.
      • 36...f5 37.Kd3 Bb2 38.g4 fxg4 39.Rxg4 gives White two connected passed pawns.
    • 34...Ne5 35.Rxa4 Rb8 36.Ra8 wins for White.

    35.d6!

    • Passed pawns lust to expand.

    35...Re8 36.Ra8 1-0

    • 36...Kg7 37.Rxe8 Bb2 38.Kd2 Ne1 39.d7 is hipeless for Black.
    • Garry Kimovich resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Sun Sep-27-09 02:33 AM
    Response to Original message
    16. Bonus Game: Kasparov - Karpov, Match, Lyon, 1990
    Please click the picture . . .



    Anatoly Karpov (left) and Garry Kasparov
    palyed five matches for the world title from 1984 through 1990

    Photo: ChessBase.com


    Garry Kasparov - Anatoly Karpov
    5th Match for the World Title, Round 20
    Lyon, 15 December 1990

    Spanish Grand Royal Game: Zaitsev Defense


    1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Bb7

    • This is the starting point of the Zaitsev Defense.

    10.d4 Re8 11.Nbd2 Bf8 12.a4 h6

    • For a more thorough examination of this opening, see Karjakin-Grischuk, Grand Slam Final, Bilbao, 2009.

    13.Bc2

    • If 13.d5 Nb8 14.c4 c6 then:
      • If 15.axb5 axb5 16.Rxa8 Bxa8 then:
        • If 17.cxb5 cxd5 18.exd5 then:
          • If 18...Nxd5 19.Ne4 then:
            • If 19...Nf6 20.Nxf6+ Qxf6 then:
              • 21.Re3 e4 22.Bd2 d5 23.Bc3 Qd8 24.Nd4 Bc5 25.Rg3 is equal (Svidler-Janssen, Bundesliga 0809, Eppingen, 2009).
              • 21.Nh2 Nd7 22.Ng4 Qh4 23.Bd5 Bxd5 24.Qxd5 h5 is equal (Haznedaroglu-Dervishi, Ol, Calvia, 2004).
            • 19...Nb4 20.Bg5 Qd7 21.Bxh6 d5 22.Bd2 Nd3 gives Black a full pawn center and a Knight on the sixth rank (Svidler-Grischuk, Euro ChT, Panormo, 2001).
          • If 18...Nbd7 19.Nb1 Nc5 then:
            • 20.Nc3 Nxb3 21.Qxb3 is equal (Svidler-Z, Almasi, IT, Dortmund, 1998).
            • 20.Bc4 Qc7 21.Nc3 gives White the advantage in space.
        • 17.dxc6 b4 18.Ba4 Nxc6 19.Nf1 Bb7 20.g4 is equal (Vasiukov-Razuvaev, Frunze, 1979).
      • If 15.dxc6 Nxc6 16.axb5 axb5 17.Rxa8 then:
        • 17...Qxa8 18.cxb5 Nb4 19.Bc4 Nxe4 is equal (Mestal-Short, Esbjerg, 1984).
        • 17...Bxa8 18.cxb5 Nb4 19.Qe2 gives White an extra pawn.

    13...exd4 14.cxd4 Nb4 15.Bb1 c5 16.d5 Nd7 17.Ra3 f5

    • 17...c4 18.axb5 axb5 19.Nd4 Qb6 20.Nf5 Ne5 21.Rg3 g6 22.Nf3 Ned3 23.Be3 Qd8 24.Nxh6+ Bxh6 25.Bxh6 Qf6 is equal (Timofeev-Inarkiev, Russian Ch HL, Novokuznetsk, 2008).

    18.Rae3

    • If 18.Nh2 Nf6 19.Rf3 Re5 20.Rxf5 Rxf5 21.exf5 Bxd5 22.Ng4 then:
      • 22...Bf7 23.Ne4 Nxg4 24.Qxg4 d5 is equal (Morozevich-Grischuk, Grand Prix, Dubai, 2002).
      • 22...Ra7 23.Nxf6+ Qxf6 24.Ne4 Bxe4 25.Bxe4 Re7 is equal (Haba-Dervishi, Austrian ChT, 2003).

    18...Nf6 19.Nh2 Kh8

    • If 19...Qd7 20.exf5 Rxe3 21.fxe3 Bxd5 22.Ng4 Be7 then:
      • 23.e4 Bf7 24.Nf3 Rd8 is equal (Kasparov-Karpov, IT, Amsterdam, 1991).
      • 23.b3 Nxg4 24.Qxg4 Bf6 is equal (Kotronias-Dervishi, Op, Ikaria, 1997).

    20.b3!?

    • If 20.exf5 Rxe3 21.Rxe3 Nbxd5 22.Re1 Qd7 gives Black a slight advantage in space (Fedorowicz-Lobo, Op, San Francisco, 1995).

    20...bxa4

    • Black has a small advantage in space.

    21.bxa4 c4!?

    • Black losens his grip on the central dark squares.
    • If 21...fxe4 22.Bxe4 Rb8 then:
      • 23.Ng4 Nbxd5 24.Bxd5 Rxe3 25.Nxe3 Nxd5 26.Nxd5 Bxd5 gives Black more space.
      • 23.Nhf1 Nbxd5 24.Bxd5 Rxe3 25.Nxe3 transposes.

    22.Bb2 fxe4 23.Nxe4 Nfxd5?!

    • Black takes with the wrong Knight, abandoning the defense of the King.
    • 23...Nbxd5 24.Rg3 Rc8 25.Nxf6 Rxe1+ 26.Qxe1 Nxf6 gives Black an extra pawn.

    24.Rg3!?

    • While attacking Black's King, White weakens the defense of his back rank.
    • 24.Qh5 Kg8 25.Ng4 Re6 then:
      • 26.Ng5 Rg6 28.Qxf4 Rxg4 29.Qxg4 Qg5 30.Qe6+ Kh8 31.Nxb7 wins for White.
      • If 26.Nc5 Nf4 then:
        • 27.Qf5! Qxg5 27.Qxg5 hxg5 28.Rxe6 c3 gives Black a small material advantage and the initiative.
        • 27.Nxe6 Nxh5 28.Nxd8 Rxd8 29.Re8 Rxe8 30.Rxe8 gives White the active game.

    BLACK: Anatoly Karpov
    !""""""""#
    $t+ WtV L%
    $+v+ + O %
    $o+ O + O%
    $+ +m+ + %
    $pMo+n+ +%
    $+ + + Rp%
    $ B + PpN%
    $+b+qR K %
    /(((((((()

    WHITE: Garry Kasparov
    Position after 24.Re3g3


    24...Re6!

    • Black finds an ideal defensive outpost for the Rook.
    • 24...Rc8!? 25.Qd2 Re6 26.Nf3 then:
      • If 26...Qc7 27.Nd4 Re5 28.Nf5 c3 29.Nxc3 Rxe1+ 30.Qxe1 gives White more space and freedom.
      • 26...Kg8? 27.Nd4 Re5 28.f4 Re7 29.Nf5 Rd7 30.Nxh6+!! gives White a winning attack.

    25.Ng4?

    • The Knight blocks the entry of White's Queen into the attack.
    • Better is 25.Qg4 Qe7 26.Nf3 c3 when:
      • If 27.Nxc3 then after 27...Rxe1+ 28.Nxe1 Qxe1+ 29.Kh2 Nf6 30.Qxb4 Rb8 the Queen in the enemy camp gives Black the advantage.
      • 27.Nd4? Re5 28.Bxc3 Nxc3 29.Rxc3 d5 wins for Black.

    25...Qe8 26.Nxh6

    • 26.Qd4 c3! 27.Bxc3 Nxc3 28.Qxc3 d5 29.Nxh6 Rc8 gives Black the initiative with excellent winning chances.

    26...c3 27.Nf5 cxb2 28.Qg4 Bc8

    • 28...Qf7? 29.Ng5! Rxe1+ 30.Kh2 wins for White.

    29.Qh4+?

    • White should be concerned about the pawn at b2.
    • If 29.Re2! then:
      • 29...Kg8 30.Nxg7 Rg6 then:
        • 31.Nxe8 Bxg4 32.N4f6+ Nxf6 33.Nxf6+ Rxf6 34.Rxg4+ Bg7 35.Rxb4 leaves White a pawn to the good.
        • 31.Qh4 Qf7 32.Ne6 Rxg3 33.Qxg3+ Bg7 34.N4g5 gives White a huge advantage in space and a strong initiative in compensation for the piece.
      • 29...Qxa4? 30.Ng5 Qd1+ 31.Kh2 Qxb1 32.Qh5+ White soon delivers mate.

    29...Rh6?

    • Black tries to avoid a draw and gets a loss.
    • 29...Kg8 30.Nf6+ Nxf6 31.Nh6+ Kh8 32.Nf7+ Kg8 33.Nh6+ draws by repetition.

    BLACK: Anatoly Karpov
    !""""""""#
    $t+v+wV L%
    $+ + + O %
    $o+ O + T%
    $+ +m+n+ %
    $pN +n+ Q%
    $+ + + Rp%
    $ O + Pp+%
    $+b+ R K %
    /(((((((()

    WHITE: Garry Kasparov
    Position after 29...Re6h6


    30.Nxh6!

    • White opens avenues of attack to Black's King.

    30...gxh6 31.Kh2

    • Even better is 31.Re2! Qe5 32.Ng5 Qf6 33.Re8 Ra7 34.Nh7, winning for White.

    31...Qe5 32.Ng5 Qf6 33.Re8 Bf5

    • If 33...Be6 34.Rxe6 then:
      • If 34...Ra7 then White delivers mate soon after 35.Re8 Re7 36.Nh7.
      • If 34...Bg7 then 35.Rxf6 Nxf6 36.Nf7+ Kg8 37.Qxf6 Kf8 38.Rxg7 Nd5 39.Rg8+ Kxg8 40.Nxh6#.

    BLACK: Anatoly Karpov
    !""""""""#
    $t+ +rV L%
    $+ + + + %
    $o+ O W O%
    $+ +m+vN %
    $pM + + Q%
    $+ + + Rp%
    $ O + PpK%
    $+b+ + + %
    /(((((((()

    WHITE: Garry Kasparov
    Position after 33...Bc8f5


    34.Qxh6+!

    • Also continuing the mating attack is 34.Nf7+ Qxf7 35.Qxh6+ Bh7 36.Rxa8.

    34...Qxh6 35.Nf7+ Kh7 36.Bxf5+ Qg6 37.Bxg6+

    • If 37.Rxg6 Nf4 38.Rg5+ Ng6 39.Rxg6 then:
      • 39...b1Q 40.Ng5+ Kh8 41.Bxb1 Rxe8 42.Nf7+ Kh7 43.Rg5+ forces mate.
      • If 39...Rxe8 then 40.Rg5#.

    37...Kg7 38.Rxa8 Be7

    • 38...Nf4 39.Bh5+ Kf6 40.Rb3 Nxh5 41.Rxf8 gives White an easy win.

    39.Rb8 a5 40.Be4+ Kxf7 41.Bxd5+ 1-0

    • 41...Nxd5 42.Rxb2 gives White a prohibitive material advantage.
    • Anatoly Evgenyevich resigns.

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    Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Sep-29-09 05:25 PM
    Response to Original message
    17. Update (Tuesday): Doubleheader starts in Nanjing; 3-way tie at Texas Tech
    Chess Doubleheader Begins in Nanjing



    The second annual Pearl Spring Chess Tounament and the second leg of of the 2009-10 FIDE Women's Grand Prix began yesterday (Monday) afternoon at the Pearl Spring Holiday Resort Hotel in the former Chinese capital of Nanjing.

    The Pearl Spring Tournament is a double round robin among six players: Magnus Carlsen (Norway), Dmitry Jakovenko (Russia), Peter Leko (Hungary), Teimour Radjabov (Azerbaijan), former FIDE champion Veselin Topalov (Bulgaria) and Wang Yue (China). As was the case last year, the Pearl Spring is a grand slam tournament. The winner will play in Bilbao, Biscay Province (Spain) next August against the winners of the Corus A in Wijk aan Zee, the international tournament in Linares and the MTel Masters in the Bulgarian capital, Sofia.

    So far, Magnus Carlsen has won both of his first two games, yesterday against Leko and today against Topalov. No other play has won a game.

    The grand prix is being played among 12 women: nana Dzagnidze (Georgia), Martha Fierro (Ecuador), Ju Wengen (China), Bara Kovanova (Russia), Lilit Mkrtchian (Armenia), Batkuyag Munguntuul (Mongolia), Marie Sebag (France), Shen Yang (China), Xu Yuhua (China), Yildiz (Turkey), Zhao Xue (China) and Zhu Chen (Qatar).

    After two rounds, Ms. Dzagnidze is the only player with a perfect score. She is followed the two former world women's champions, Zhu Chen and Zu Yuhua, with a point and a half each.

    The first leg of the Women's Grand Prix was play earlier this year in Istanbul and was won by Indian GM Koneru Humpy. The four remaining tournaments in the series will be played in Nalchik in the Russian Caucaus in April; Jermuk, Armenia in June and July; the Mongolian capital of Ulan Bator in July and August; and Santiago, Chile, in Octobe and November, 2010.

    The action in both tournaments begins at 3 pm Nanjing time (Midnight PDT) and may be followed on the official website of the both tournaments.


    SPICE Cup Group A Ends in 3-Way Tie

    http://4.bp.blogspot.com/_Q0lTtPVTG40/Sqlz4zfpsTI/AAAAAAAA7_o/FabWgEut9uc/S217/2009+SPICE+Cup+TTU+Cover+2.tif.jpg

    Rauf Mamedov of Azerbaijan defeated Norway's Jon Ludvig Hammer to join Ukrainian GM Yuriy Kuzubov and Dmitry Andeikin of Russia as co-champions of the 2009 SPICE Cup at Texas Tech University in Lubbock.

    Jon Ludvig had been leading the tournament with Kuzubov and Andeikin most of the way. but dropped each of his last two games to fall back.

    The event saw a number of fighting draws but few decisive game. Mamedov, Kuzubov and Andeikin each won only one game while drawing nine to share first place.
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    two gun sid Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Sep-29-09 10:56 PM
    Response to Original message
    18. Thr JR Chess Report Staff does it again!
    Good work. The staff rocks!
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