The Jack Rabbit Chess Report (January 25): Movsesian Leads in Wijk aan Zee

[Jack Rabbit]

Movsesian leads Corus A after 8; Short leads Group B; Tiger has hold of C



Grandmaster Sergei Movsesian of Slovakia leads the elite group of the annual Corus Chess Tournament with 5 points after 8 rounds of the scheduled 13-round event in the Dutch seaside town of Wijk aan Zee.

Movsesian took the lead today in spite of being held to a draw by Dutch national champion Jan Smeets when young Ukrainian GM Sergey Karjakin, who shared the top spot with Movsesian at the start of today's round, lost to his venerable compatriot, Vassily Ivanchuk.

Interestingly, Movsesian caught Karjakin in the standings yesterday when he defeated Ivanchuk in 35 moves from the Black side of an Open Sicilian.

Karjakin fell to a four-way tie for second place at 4½ points each with Teimour Radjabov (Azerbaijan), Levon Aronian (Armenia) and Lenier Domínguez (Cuba).

In the other sections, former world championship challenger Nigel Short, 43, leads Group B with 5½ points over Alexander Motylev of Russian and Ukraine's Andrei Volokitin, who are tied for second with 5 points each. In Group C, Swedish GM Tiger Hillarp Persson has 6 points to lead 15-year-old Filipino prodigy Wesley So by a full point.

Tomorrow is a rest day for the players. Round 9 will start Tuesday at 13:30 Central European Time (4:30 am PST). All games in all section will be broadcast live at the official tournament website.

Games from the first half of the tournament will be up later this evening.


Calendar


Gibraltar Chess Festival 27 January-5 February.

Moscow Open 30 January-9 February.

Aeroflot Open, Moscow 16-27 February.

Topalov-Kamsky World Championship Semifinal Match, Sofia 16-28 February. Eight Rounds. Winner will challenge Anand for the world championship.

Linares Grandmaaster Tournament 18 February-8 March.

Cappelle la Grande Open 28 February-7 March.

Reykjavik Open 4-13 March.

European Individual Championships, Budva (Montenegro) 5-19 March.

Foxwoods Open, Mashantucket, Connecticut April 8-12.

MTel Masters, Sofia May 9-19.

Aerosvit International Tournament, Foros (Ukraine) June 9-20.

[Jack Rabbit]

1. Games from Wijk aan Zee

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

[Jack Rabbit]

2. Ivanchuk - Movsesian, Group A, Round 7

Sergei Movsesian
Photo: ChessBase.com


Vassily Ivanchuk - Sergei Movsesian
Corus Chess Tournament (Group A), Round 7
Wijk aan Zee, 24 January 2009

Open Sicilian Game: Scheveningen Defense (Chandler-Nunn Opening)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3

• Other moves here are 6.Be2 (the Opocensky Opening) and 6.g4 (the Keres Opening).

6...Nc6

• 6...a6 7.f3 b5 8.Qd2 Nbd7 9.g4 h6 10.0-0-0 Bb7 11.h4 b4 12.Na4 Qa5 13.b3 Nc5 14.a3 Nxa4 15.axb4 Qc7 is equal.

7.f4

• If 7.Bc4 Be7 8.Qe2 a6 9.0-0-0 Qc7 10.Bb3 then:
• If 10...0-0 11.g4 Nxd4 12.Rxd4 b5 13.g5 Nd7 then:
• If 14.f4 Nc5 15.f5 Nxb3+ 16.axb3 exf5 17.Nd5 Qd8 18.Rg1 Re8 19.Qf2 then:
• 19...fxe4 20.Rxe4 Bb7 21.Bb6 Bxd5 22.Bxd8 Bxe4 23.Bxe7 Rxe7 draw (Dr. Nunn-van der Wiel, IT, Brussels, 1985).
• 19...g6 20.Qh4 Bb7 21.exf5 Bxd5 22.Rxd5 Bf8 23.Bd4 is equal (Frolov-Zakharstov, Russian Ch, Elista, 2001).
• 14.Rg1 Nc5 15.e5 d5 16.Rh4 Qxe5 17.Rg3 Nxb3+ 18.axb3 Qf5 19.f4 b4 20.Nd1 e5 21.Bd2 a5 22.Ne3 Qe4 23.Qg2 Qxg2 24.Rxg2 Bc5 25.fxe5 Re8 26.Ng4 Bf5 27.Ne3 Be4 28.Rg3 Rxe5 29.Kb1 Re6 White resigns (Smith-Kogler, Corres, 2000).
• If 10...Na5 11.g4 b5 12.g5 Nxb3+ 13.axb3 Nd7 then:
• 14.h4 b4 15.Na4 Nc5 16.h5 Bd7 17.Kb1 Bxa4 18.bxa4 Rc8 19.f3 Nxa4 20.Qxa6 Nc5 21.Qb5+ Nd7 22.Rd2 0-0 23.g6 Nc5 24.h6 draw (Azarov-Wells, Euro Ch, Plovdiv, 2008).
• If 14.Nf5 exf5 15.Nd5 Qd8 16.exf5 Bb7 17.f6 gxf6 18.Rhe1 Bxd5 19.Rxd5 Rg8 20.gxf6 Nxf6 21.Rf5 Rg6 22.Bb6 Qd7 23.Qf3 Rc8 24.Rxf6 d5 25.Rxg6 hxg6 26.Qf6 Qb7 27.b4 Rc4 28.f3 Black resingns (Azarov-Jobava, Euro ChT, Kemer, 2007).
• If 7.Be2 Be7 8.0-0 0-0 9.f4 a6 10.a4 Qc7 11.Kh1 Re8 12.Bf3 Rb8 13.Qd2 Bd7 14.Nb3 b6 15.g4 Bc8 16.g5 Nd7 17.Bg2 Na5 18.Qf2 Nc4 19.Bc1 Bf8 20.Nd4 Bb7 21.b3 Na5 22.Bb2 Nc6 23.Nf3 g6 24.Rad1 Bg7 is equal (Timoshenko-Lesiege, Op, Koszalin, 1999).

7...Bd7

• If 7...Be7 8.Qf3 then:
• If 8...0-0 9.0-0-0 Qc7 then:
• If 10.g4 Nxd4 11.Bxd4 e5 12.fxe5 dxe5 13.Qg3 Nxg4 14.Nd5 Qd8 then:
• 15.Nxe7+ Qxe7 16.Bc3 Qc5 17.Rg1 Qe3+ 18.Kb1 Be6 is equal (Sax-Kasparov, IT, Niksic, 1983).
• 15.Bc3 Bh4 16.Qg2 Nf2 17.Rg1 g6 18.Rd2 Nh3 19.Bxe5 Nxg1 20.Nf6+ Bxf6 21.Rxd8 Bxd8 22.Qxg1 Re8 is equal (Rogers-Cooper, English Ch, Blackpool, 1988).
• 10.Rg1 a6 11.g4 Nxd4 12.Bxd4 Nd7 13.g5 b5 14.Rg3 Rd8 15.Qh5 b4 gives Black the initiative (Spraggett-Arakhamia, Op, Bern, 1995).
• 8...e5 9.Nxc6 bxc6 10.f5 Qa5 11.0-0-0 Rb8 12.Bc4 0-0 13.Bb3 Nd7 14.g4 Nc5 15.g5 Nxb3+ 16.axb3 d5 17.f6 Bb4 18.fxg7 Rd8 is equal (Tairova-Volodin. Young Stars, Kirishi, 2006).

8.Be2

• If 8.Qf3 then:
• If 8...Be7 9.0-0-0 0-0 then:
• 10.Rg1 Nxd4 11.Bxd4 Bc6 12.g4 Qa5 13.g5 Nd7 14.h4 b5 15.f5 Ne5 16.Qf4 b4 17.f6 Bd8 18.fxg7 Re8 19.Nb1 Qxa2 is equal (Kupreichik-Korobov, Governor's Cup, Kramatorsk (Ukraine), 2001).
• 10.Nb3 a5 11.Bb5 Qc7 12.Kb1 Rfc8 13.Rd2 Be8 14.a3 Nd7 15.Be2 a4 16.Nd4 Nxd4 17.Bxd4 gives White the advantage in space (Brodsky-Korobov, Ukrainian Ch, Ordzhonikidze, 2001).
• If 8...Nxd4 9.Bxd4 Bc6 10.0-0-0 then:
• 10...Qa5 11.Bxf6 gxf6 12.f5 0-0-0 13.Bc4 Qe5 14.a4 a6 15.Rhe1 Kb8 16.Qf2 Rc8 17.Qb6 exf5 18.Bd5 Qxh2 19.Na2 Bxd5 20.exd5 Qf4+ 21.Kb1 Qxa4 gives Black three extra pawns in his favor handicapped by an atrocious pawn structure (Fuchs-Stein, IT, Kislovodsk, 1966).
• 11.Kb1 Be7 12.g4 0-0 13.g5 Nd7 14.Bh3 Rad8 15.f5 exf5 16.Bxf5 Ne5 gives Black the advantage in space (Barle-Larsen, IT, Ljubljana, 1977).

8...Be7 9.Ndb5

• If 9.0-0 0-0 then:
• If 10.Nb3 a6 11.a4 b6 12.Bf3 Qc7 13.Kh1 then:
• 13...Rfe8 14.g4 Bc8 15.g5 Nd7 16.Bg2 Bb7 17.Qh5 Nb4 18.Rf2 Bf8 19.Raf1 Re7 20.Qh3 Rae8 21.Bc1 g6 22.Nd1 Na2 23.Be3 Qc4 24.Nd4 Nb4 25.b3 Qc8 is equal (Bromberger-Jakovenko, World Jr Ch, Goa, 2002).
• 13...Rab8 14.g4 Bc8 15.g5 Nd7 16.Bg2 Re8 17.Qh5 g6 18.Qh4 b5 19.axb5 axb5 20.Rf3 b4 21.Ne2 Bf8 22.Rh3 gives White activity in the h-file (Salov-Gelfand, IT, Wijk aan Zee, 1998).
• If 10.Kh1 a6 11.Qe1 Qc7 then:
• If 12.Qg3 b5 13.a3 Nxd4 14.Bxd4 Bc6 15.Rae1 Qb7 16.Bd3 b4 17.Nd1 bxa3 18.bxa3 Rad8 19.c3 g6 20.Nf2 Qd7 21.f5 e5 22.Be3 Kh8 23.fxg6 fxg6 24.Bh6 gives White a small advantage in space (Areshchenko-Movsesian, Euro ChT, Halkidiki, 2002).
• 18...Rac8 19.Nc3 g6 20.f5 e5 21.Be3 Nxe4 22.Nxe4 Bxe4 23.Bxe4 Qxe4 24.Bg5 Qb7 25.Rb1 Qd7 26.Bxe7 Qxe7 27.f6 Qc7 28.Qg5 Kh8 29.Rb4 e4 30.Rxe4 Black resigns (Szelag-Jaracz, Polish ChT, Zakopane, 2000).
• If 12...Kh8 then:
• 13.Rad1 b5 14.a3 Rac8 15.Bd3 Ng8 16.Nxc6 Bxc6 17.Bd4 Bf6 18.e5 dxe5 19.Bxe5 Qb7 20.Rde1 g6 21.Ne4 Bxe4 22.Bxe4 Qb6 23.Rd1 Rfd8 draw (M. Johansson-Ivkov, IT, Halle, 1963).
• 13.Rae1 b5 14.a3 Rab8 15.Bd3 b4 16.axb4 Nxb4 17.Bc1 Nxd3 18.cxd3 Rb4 is equal (Ivanovic-Gasic, IT, Sarajevo, 1972).

9...Qb8 10.a4 0-0 11.0-0 Rd8 12.Kh1

• 12.Bf3 Be8 13.Qe2 a6 14.Nd4 Qc7 15.f5 d5 16.exd5 exd5 17.Kh1 Bd6 18.g4 Be5 gives Black the advantage in the center (Podgaets-Polugaevsky, Soviet Ch, Moscow, 1973).

12...Nb4!?

• The novelty is good for an equal game.
• 12...Be8 13.Qe1 Nb4 14.Rc1 a6 15.Nd4 d5 16.e5 Ne4 is equal (Tseshkovsky-Tosic, Serbia-Montenegro ChT, Herceg Novi, 2005).

13.Bf3

• White has several reasonable responses to Black's novelty.
• 13.Qd2 Bxb5 14.Bxb5 Qc7 15.Bd3 d5 remains equal.

13...e5!?

• If 13...Bxb5 then after 14.Nxb5 d5 15.e5 Ne4 16.c3 White drives Black's Knights back and stands slightly better.
• 13...d5 14.e5 Ne4 15.Bxe4 dxe4 16.Qe2 Bc6 17.Rad1 remains equal.

14.Qe2

• White now has an advantage in space, but nothing to do with it.
• 14.Qd2 might be a better try, but after 14...Be6 15.Nd5 Nbxd5 16.exd5 Bd7 17.Qb4 Re8! the game remains equal.

14...Bc6 15.fxe5

• 15.Qf2 b6 16.Rad1 Qb7 17.Rd2 a6 remains equal.

15...dxe5 16.a5 b6

• 16...Rc8 17.Na3 Bd8 18.Bg5 Qc7 19.Rfd1 Be8 remains equal.

17.axb6 axb6 18.Rxa8 Bxa8

• The remains equal.
• 18...Qxa8 19.Bxb6 Rb8 20.Nc7 Qb7 21.Ba5 gives White an extra pawn.

19.Na4 Bc6 20.c4

• 20.Nbc3 Qb7 21.Qf2 Bxa4 22.Nxa4 Qa6 23.Nc3 remains equal.

20...Nxe4 21.Nxb6 f5 22.Nc3 Qb7

• 22...Nxc3 23.bxc3 e4 24.Bh5 Nd3 25.Rxf5 Bf6 remains equal.

23.c5?!

• If 23.Nxe4 Bxe4 24.Bg1 Bg5 25.c5 then:
• 25...Nd3 26.Bxe4 fxe4 27.b4 White's queenside pawns are mobile.
• 25...Bxf3 26.Rxf3 Qe4 27.Qc4+ gives White mobile remote passers with the Queens going off the board.

23...Nd3 24.Bxe4?

• White should take with the Knight, preserving his Bishop for an open center.
• 24.Nxe4 Bxe4 25.Bg1 Bc6 26.Bxc6 Qxc6 27.b4 Qe6 remains equal.

24...Bxe4 25.b4 Kh8 26.Rb1

• 26.Bd2 Nxc5!! 27.bxc5 Bd3 28.Qf3 e4 29.Qxf5 Bxf1 leaves White in big trouble.

BLACK: Sergei Movsesian
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WHITE: Vassily Ivanchuk
Position after 26.Rf1b1

26...f4!

• Now it is Black who wins by mobilizing his pawns.

27.Bg1 Bg6 28.Nc4 e4 29.Na5

• If 29.b5 f3! 30.Qc2 e3 31.c6 then:
• 31...Qc8 32.Nxe3 Nc5 33.Qc1 fxg2+ 34.Nxg2 Bxb1 leaves Black up by an exchange.
• 31...Qb8 32.Nxe3 Nb4 33.Qc1 Bxb1 leaves Black up by an exchange.

29...Qa8 30.c6 Bxb4 31.Nb7

• Black can only postpone the loss of material.

BLACK: Sergei Movsesian
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WHITE: Vassily Ivanchuk
Position after 31.Na5b7

31...f3!

• Black has plenty of time to attack White's unprotected pieces.

32.gxf3 exf3 33.Qxf3

• 33.Qc2 Rf8 34.Bf2 Bxc3 35.Qxc3 Nxf2+! is lights out.

33...Rf8 34.Qd5

• White cannot save all his pieces.
• 34.Qg2 Bxc3 35.Rd1 Nf4 also leaves Black a piece to the good.

34...Bxc3 35.c7 Nf4 0-1

• White must lose even more material.
• Vassily Mikhailovich resigns.

[Jack Rabbit]

3. Short - l'Ami, Group B. Round 3

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


Nigel Short - Erwin l'Ami
Corus Chess Tournament (Group B), Round 3
Wijk aan Zee, 19 January 2009

Spanish Petit Royal Game: Four Knights' Opening

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Nd4

• This defense, similar to what is commonly called Bird's Defense (1.e4 e5 2.Nf3 Nc6 3.Bb4 Nd4!?), was introduced into master play by Akiba Rubinstein as early as 1907. It works better as part of the Spanish Four Knights' Opening than the regular Spanish Petit Royal Game as White cannot pla c2c3 in the present position.

5.Nxe5

• If 5.Ba4 Bc5 6.Nxe5 0-0 7.d3 d6 8.Nf3 Bg4 9.Be3 Bxf3 10.gxf3 Nh5 11.Nb5 Nxb5 12.Bxb5 Bxe3 13.fxe3 Qg5 is equal (Merenyi-Szabo, IT, Tatatovaros, 1935).
• 5.Nxd4 exd4 6.e5 dxc3 7.exf6 Qxf6 8.dxc3 Qe5+ 9.Qe2 Qxe2+ is the beginning of many, many a drawn game.

5...Nxb5?

• This move is seldom played. It is the third move by Black's Queen's Knight out of just five, and from here it simply gets exchanged. That makes it a time-consuming piece.
• Better is to develop other pieces and wait until it is necessary to move this one.
• 5...Qe7 6.f4 Nxb5 7.Nxb5 d6 8.Nf3 Qxe4+ 9.Kf2 Ng4+ 10.Kg3 Qg6 11.Qe2+ Kd8 12.Re1 Bd7 13.Nbd4 Ne3+ 14.Kf2 Nxc2 15.Nxc2 Qxc2 16.b4 a5 17.Ba3 axb4 18.Bxb4 Qf5 gives Black an extra pawn and more activity (Spielmann-Rubinstein, IT, Baden Baden, 1925).
• If 5...Bc5 6.Ba4 0-0 7.Nd3 Bb6 8.e5 Ne8 9.Nd5 d6 then:
• If 10.c3!? Qh4 11.Ne3 Qe4 12.Nb4 then:
• If 12...dxe5?! 13.cxd4 exd4 14.Qc2 Qe5 then:
• If 15.f4? Qxf4 then:
• 16.Nc4 Qh4+! 17.Kf1 d3 18.Nxd3 Bf5 19.Nxb6 axb6 20.Bb3 Rd8 White resigns (Tylor- Milner-Berry, IT, Hastings, 1938).
• If 16.Ned5 Qe5+ 17.Kf1 Ba5 then:
• If 18.Qc4 c6 19.Bxc6 Nd6 then:
• 20.Qe2 Qxe2+ 21.Kxe2 Bxb4 22.Nxb4 bxc6 23.Nxc6 Re8+ Black continues with the attack.
• 20.Qd3 Bxb4 21.Nxb4 a5 22.Nc2 bxc6 23.Qf3 d3 wins for Black.
• 18.Qb3 c6 19.Bxc6 bxc6 20.Nxc6 Ba6+ 21.Kf2 Qe2+ forces the King into the open.
• 15.Nd3 Qe7 16.0-0 dxe3 17.fxe3 is equal.
• 12...Nf5 13.d3 Nxe3 14.dxe4 Nxd1 15.Bxd1 dxe5 is equal.
• 10.Ne3 dxe5 11.Nxe5 Qg5 12.N5c4 f5 13.f4 Qxf4 14.c3 Qh4+ 15.g3 Qh3 16.cxd4 f4 17.Rf1 fxe3 18.Rxf8+ Kxf8 19.Qf3+ Nf6 20.dxe3 Qxh2 21.Qf2 Qh1+ 22.Qf1 Qh2 23.Qf2 Qh5 24.Bb3 Be6 is equal (Moveseian-Illescas, Ol, Elista, 1998).

6.Nxb5 c6 7.Nc3 Qe7 8.Nf3!

• White introduces a new move. Is it good enough to drive 5..Nxb5 from the master play?
• 8.d4 d6 9.Nd3 Nxe4 10.0-0 Nxc3 11.bxc3 Be6 is equal (Breyer-Forbes, Budapest, 1914).

8...Nxe4

• As a matter of policy, one should take a central pawn when one can.

9.0-0 Nxc3 10.dxc3 d5 11.Bg5

• 11.Re1 Be6 12.Bg5 Qd7 13.Qd4 c5 14.Qe5 Qd6 is equal.

11...Qd6 12.Re1+ Be6
BLACK: Erwin l'Ami
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WHITE: Nigel Short
Position after 12...Bc8e6

13.Nd4!

• White now wins quickly.
• 13.Qe2 h6 14.Bh4 c5 15.Ne5 Qb6 then:
• 16.Qh5 g6 17.Qf3 Be7 18.Bxe7 Kxe7 19.Rad1 gives White better development of rth attack.
• 16.c4 d4 17.Qh5 g6 18.Nxg6 fxg6 19.Qe5 gives White a strong game.

13...c5

• 13...h6 leads to the loss of the exchange: if 14.Nxe6 fxe6 15.Qh5+ then:
• If 15...Kd7 then after 16.Qf7+ Be7 17.Bf4 Rhf8 18.Qxf8 Rxf8 19.Bxd6 Bxd6 White is up by an exchange with excellent winning prospects.
• If 15...g6 then after 16.Qxg6+ Kd7 17.Bf6 Be7 18.Bxh8 Rxh8 19.Rad1 White should win easily.

14.Nxe6 fxe6 15.Qh5+ g6 16.Qg4 Kf7

• After 16...Kd7 17.c4 d4 18.Qf3 Re8 19.Qxb7+ Qc7 20.Qb5+ White has a vicious attack.

17.c4 d4 18.Qf3+ Kg8 19.Bf6 1-0

• After White takes the exchange with 19...Qb6 20.Bxh8 Kxh8 21.Qb3 Black has no compensation and little reason to play on.
• Mh. l'Ami resigns.

[Jack Rabbit]

4. Giri - Hillarp Persson, Group C, Round 5

Tiger Hillarp Persson
Photo: Wikipedia


Anish Giri - Tiger Hillarp Persson
Corus Chess Tournament (Group C), Round 5
Wijk aan Zee, 22 January 2009

Slav Queen's Gambit: Tikhi Opening

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 e6 6.Nh4 Be4

• If 6...Bg6 then:
• If 7.Be2 Nbd7 then:
• If 8.g3 Bd6 9.0-0 then:
• If 9...Qe7 then:
• 10.a3 dxc4 11.Nxg6 hxg6 12.Bxc4 e5 13.Re1 0-0-0 is equal (E. Atalik-Zhu Chen, IT, Istanbul, 2008).
• 10.Qb3 Rb8 11.Bd2 Ne4 12.Nxe4 Bxe4 13.f3 Bg6 14.Rae1 dxc4 15.Qxc4 c5 16.dxc5 Bxc5 17.b4 Bb6 18.a4 0-0 19.a5 gives White a small advantage in space (Vladimirov-Nei, Soviet Ch semif, Moscow, 1963).
• 9...0-0 10.Nxg6 hxg6 11.Qc2 dxc4 12.Bxc4 c5 13.dxc5 Bxc5 14.Rd1 Rc8 15.Bf1 Bb4 16.Bd2 Nd5 17.Bg2 Bxc3 18.bxc3 Qc7 19.Be1 N7b6 20.Rd4 Nxc3 21.Qxc3 Qxc3 22.Bxc3 Rxc3 draw (Ivanchuk-Gelfand, Amber Blind, Monte Carlo, 2007).
• If 8.Bd2 then:
• If 8...Be7 9.Nxg6 hxg6 10.Qc2 Qc7 11.h3 a6 12.Rc1 Rc8 13.0-0 dxc4 14.Bxc4 g5 15.e4 g4 16.e5 gxh3 17.g3 Nd5 18.Qe4 Nxc3 19.Bxc3 Nb6 20.Ba5 Bd8 21.Qg4 Kf8 22.Bxb6 Qxb6 23.Rc3 Rh6 24.Bb3 Bc7 is unclear: Black has an extra pawn and White barely enough space to compensate for it (Malakhov-M. Gurevich, World Cup. Rd 4.2, Khanty Mansyisk, 2005).
• 8...Bd6 9.Nxg6 hxg6 10.Qc2 dxc4 11.Bxc4 Qe7 12.0-0-0 Nb6 13.Be2 e5 14.Kb1 0-0-0 15.Nb5 exd4 16.Ba5 Bb8 17.Nxd4 Bc7 18.Bxb6 Bxb6 19.Nxc6 bxc6 20.Qxc6+ Qc7 21.Qa8+ Qb8 22.Qc6+ Qc7 23.Qa8+ Qb8 24.Qc6+ draw (Malakhov-Domínguez, FIDE Knock Out, Tripoli, 2004).
• 7.Nxg6 hxg6 8.Bd2 Nbd7 9.Rc1 Bd6 10.g3 Qe7 11.c5 Bc7 12.f4 Ba5 13.Nb1 Bxd2+ 14.Nxd2 Ne4 15.Nxe4 dxe4 16.h4 f5 17.Kf2 Nf6 18.Be2 Kf7 19.a3 a5 20.Qd2 Rhb8 21.Rc2 b5 draw (Bareev-Dreev, Russian Ch, Moscow, 2004).
• If 7.Qb3 then:
• If 7...Qc7 8.Nxg6 hxg6 9.g3 Nbd7 10.Bd2 Be7 11.Rc1 Nb6 12.cxd5 exd5 then:
• If 13.a4 Qd7 14.h4 g5 15.a5 Nc8 16.Bg2 g4 17.e4 dxe4 18.Nxe4 0-0 19.a6 Nb6 20.axb7 Qxb7 21.0-0 Nfd5 22.Nc5 Qc8 23.Nd3 Rb8 24.Qc2 Bf6 25.Ne5 Bxe5 26.dxe5 Qe6 27.Rfe1 Rfc8 28.Re4 Nd7 29.Rce1 Rb6 draw (Hort-Zhu Chen, Op, Amsterdam, 2001).
• 13.Be2 Qd7 14.a4 Nc8 15.f3 Nd6 16.0-0 0-0 17.Nd1 Rae8 18.Nf2 Nf5 19.Rfe1 Bd6 20.Bf1 Qc7 21.Bg2 g5 22.Qd3 Nh6 23.e4 dxe4 24.fxe4 Nfg4 25.Nxg4 Nxg4 26.h3 Bxg3 27.hxg4 Bxe1 28.Rxe1 gives White much the better ending (Bercys-Bierkens, Op, Foxwoods, 2005).
• 7...Qb6 8.Nxg6 hxg6 9.Bd2 Nbd7 10.Bd3 Be7 11.h3 Rc8 12.Qxb6 axb6 13.Ke2 0-0 14.Rac1 Rfd8 15.Rhd1 dxc4 16.Bxc4 b5 17.Bb3 e5 18.Be1 exd4 19.Rxd4 Nc5 20.Rxd8+ Rxd8 gives Black a considerable advantage in space (Dreev-Gelfand, FIDE Knock Out, Groningen, 1997).

7.f3 Bg6 8.Qb3 b5!?

• If 8...Qc7 9.Bd2 Be7 then:
• 10.Nxg6 hxg6 11.0-0-0 Nbd7 12.cxd5 Nxd5 13.Nxd5 exd5 14.Kb1 0-0-0 15.Rc1 Kb8 16.h3 Qd6 17.Ba6 Nb6 is equal (Vitiugov-P. Smirnov, Russian Ch HL, Novokuznetsk, 2008).
• 10.cxd5 cxd5 11.Nxg6 hxg6 12.0-0-0 Nc6 13.Kb1 a6 14.Rc1 Nd7 15.Bd3 Rc8 16.Ne2 Qb6 is equal (Tregubov-Bareev, Euro ChT, Fügen, 2006).

9.cxd5

• 9.cxb5 c5 10.Nxg6 hxg6 11.Qa4 Nbd7 12.Qa6 gives White an extra pawn.

9...exd5 10.Nxg6 hxg6 11.Bd2 a5

• 11...Bd6 12.h3 a5 13.Qc2 Na6 14.a3 Nh5 15.Bd3 gives White more activity.

12.0-0-0 Be7

• 12...Bd6 13.h3 Nbd7 14.Kb1 Rc8 15.Rc1 0-0 16.g4 is equal.

13.g4 Na6

• 13...Nbd7 14.Kb1 Rc8 15.Rc1 g5 is equal.

14.Qc2 a4 15.h4

• The position is level.
• 15.Ne2 Qb6 16.g5 Nh7 17.f4 Nc7 18.e4 b4 is equal.

15...Nb4 16.Qb1 a3

• 16...Nd7 17.e4 a3 18.b3 Rxh4 19.Rxh4 Bxh4 20.Bg2 remains equal.

17.b3 Qd6

• Black threatens to invade with the Queen on g2.

18.Be2

• White renders the plan pointless.
• If 18...Qg3 19.Be1 then:
• 19...Qc7 20.e4 dxe4 21.Nxe4 Nfd5 remains equal.
• 19...Qg2 20.Rf1 Rc8 21.Rd2 Qh3 22.Kd1 Nd7 remains equal.

18...Rc8 19.h5 gxh5

• If 19...g5 20.Qf5 Ra8 21.Qxg5 then:
• 21...Ne4 22.Qxg7 Bf6 23.Qxh8+ Bxh8 24.fxe4 dxe4 25.Kb1 gives White a protected passed pawn and full material compensation for the Queen.
• 21...Qe6 22.Qxg7 Kd7 23.f4 Rh7 24.Qg5 Rg8 25.Qe5 gives White an extra pawn.

20.gxh5 Qe6 21.f4?

• 21.e4! Rxh5 22.e5 Rxh1 23.Rxh1 Nd7 24.Rh8+ Nf8 remains equal.

BLACK: Tiger Hillarp Persson
!""""""""#
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WHITE: Anish Giri
Position after 21.f3f4

21...c5!

• The plan of open the c-file for exploitation by Black's heavy pieces almost suggests itself.
• If 21...Nd7 then after 22.Rdg1 Qf6 23.Kd1 Nf8 24.Be1 the game remains equal.

22.h6

• 22.Bxb5+ Kd8 23.f5 Qb6 24.dxc5 Rxc5 25.Bd3 Qc6 Black exploits the c-file much as in the actual game.

22...Rxh6 23.Rxh6 gxh6

• Black accumulate a remote passed pawn to his small advantages.

24.Bxb5+ Kd8

• Also good is 24...Kf8 25.f5 Qb6 26.Bd3 cxd4 27.exd4 Qxd4.

25.Bd3

• After 25.f5 Qb6 26.dxc5 Rxc5 27.Bd3 Qc6 28.Bc4 dxc4 Black remains a piece to the good with a mating attack.

25...cxd4 26.exd4

• If 26.f5 then after 26...Qb6 27.exd4 Qxd4 28.Bc4 dxc4 29.Be3 Nd3+ White has two extra pieces.

26...Qh3 27.Bc4

• This loses a piece, but other moves are even worse.
• The rest requires no comment.

27...dxc4 28.bxc4 Rxc4 29.Qb3 Rc8 30.Be1 Nfd5 31.Qa4 Rxc3+! 1-0

• 32.Bxc3 Qxc3+ 33.Kb1 Qb2#.
• 32.Kb1 leads to an interesting variation of smothered mate: 32...Qg2 33.Qa8+ Kd7 34.Qa4+ Rc6 35.Qb3 Qe4+ 36.Ka1 Nc2+ 37.Kb1 Nxe1+ 38.Ka1 Qxd4+ 39.Rxd4 Rc1+ 40.Qb1 Nc2#.
• FM Giri resigns.

[Jack Rabbit]

5. Karjakin- Stellwagen, Group A, Round 5

Sergey Karjakin
Image: ChessBase.com


Sergey Karjakin - Daniel Stellwagen
Corus Chess Tournament (Group A), Round 5
Wijk aan Zee, 22 January 2009

Open Sicilian Game: Taimanov Defense

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3

• If 6.Be2 a6 7.0-0 Nf6 8.Be3 then:
• If 8...Bb4 9.Na4 then:
• If 9...Be7 10.Nxc6 bxc6 11.Nb6 Rb8 12.Nxc8 Qxc8 13.Bd4 c5 14.Be5 Rb6 then:
• If 15.Qd3 d6 16.Bc3 0-0 17.b3 d5 18.exd5 Nxd5 19.Be5 Rd8 20.Qg3 then:
• If 20...Bf6 21.Bxf6 Nxf6 22.Rfd1 then:
• If 22...Nd5 23.Rd2 Nb4 24.Rxd8+ Qxd8 25.c3 Nd5 26.Rd1 gives White the initiative (Timoshenko-Mastrovasilis, Euro ChT, Halkidiki, 2002).
• If 22...h6 23.h3 Rd5 24.Bc4 Rd7 25.Qe5 Qd8 26.Rxd7 Nxd7 27.Rd1 gives White more space and stronger heavy pieces (Efimenko-Neverov, Ukrainian Ch, Rivne, 2005).
• 20...f6 21.Bb2 Bd6 22.Qg4 Qc7 23.g3 Be5 24.Bxe5 Qxe5 25.Bc4 f5 26.Qe2 Qxe2 27.Bxe2 Nc3 28.Bd3 Kf7 gives Black the advantage in space (Atoufi-Sarkar, Foxwoods Op, Mashantucket, 2007).
• If 15.b3 Nxe4 16.Bxg7 Rg8 17.Be5 Bd6 18.Bg3 Nxg3 19.fxg3 Be5 then:
• 20.Rb1 Ke7 21.Bd3 Rg5 22.Qf3 Qg8 23.Rbe1 Qg7 24.Kh1 gives White advantages in space and King safety (Azorov-Banikas, Euro ChT, León, 2001).
• 20.Bh5!? Bxa1 21.Qxa1 Kd8 22.Qf6+ Kc7 23.Qe5+ Kb7 24.Rxf7 gives White a pawn and the initiative for the exchange (Szczechowicz-Dobrowolski, Lasker Mem Op, Berlinek, 2001).
• If 9...0-0 10.Nxc6 bxc6 then:
• If 11.Nb6 Rb8 12.Nxc8 Rfxc8 13.Bxa6 then:
• If 13...Rf8 14.Bd3 Bd6 15.f4 e5 then:
• If 16.b3 exf4 17.Bd4 f3 18.e5 f2+ 19.Rxf2 Bxe5 20.Bxe5 Qxe5 21.Rf1xx h5 22.h3 d5 23.Qf3 Ne4 24.Qf4 Qd4+ 25.Kh2 Rbe8 26.a4 then:
• After 26...Re6? 27.a5 Rf6 28.Qc7 g5 29.Bxe4 dxe4 30.a6 White soon won (Perunovic-Ivanisevic, Serbia-Montenegro Ch, Kopoanik, 2005).
• If 11.f4 then:
• 11...Rb8 12.Bd3 Be7 13.c4 d6 14.c5 dxc5 15.Rc1 e5 16.f5 Rd8 17.Qe2 Ng4 18.Bxc5 Bg5 19.Rcd1 h5 20.h3 Nf6 21.Bc4 Rd7 22.Rxd7 Nxd7 23.Bxf7+ Kxf7 24.Qc4+ Black resigns in the face of a quick mate (Wojtkiewicz-Gdanski, Polish Ch, Czestochowa, 1992).
• 11...Be7 12.Bd3 c5 13.c4 d6 14.Qf3 Bb7 15.Nc3 Nd7 16.Qh3 Rfe8 17.Rad1 g6 18.f5 Bf6 19.fxg6 hxg6 20.e5 dxe5 21.Ne4 Bxe4 22.Bxe4 Rad8 23.Rxd7 Rxd7 24.Rxf6 gives White a clear advantage; he will launch a kingside attack (And. Ivanov-Zubarev, Op, Kharkov, 2002).
• If 13...Rd8 14.Bd3 Bd6 then:
• If 15.Kh1 Be5 16.c3 Rxb2 17.Qc1 Ng4 18.f4 Nxe3 19.Qxb2 Bxf4 20.Qf2 Nxf1 21.Rxf1 then:
• If 21...e5 22.g3 Qd6 23.Be2 Bg5 24.Qxf7+ Kh8 25.a4 Be7 26.a5 Rf8 27.Qc4 Rxf1+ 28.Bxf1 Qf6 is equal (Smejkal-Karpov, Intzonal, Leningrad, 1973).
• 21...g5 22.g3 Qd6 23.Bc2 Be5 24.Qxf7+ Kh8 25.Kg2 Qc5 26.Kh3 Bg7 is equal (Tringov-Babev, Bulgarian Ch, Asenovgrad, 1974).
• 15.f4 e5 16.f5 Rxb2 17.g4 h6 18.h4 Bf8 19.g5 Nd5 20.exd5 e4 21.Bf4 Qa7+ 22.Kh1 exd3 23.Qxd3 Rxa2 24.Rxa2 Qxa2 25.dxc6 Qa8 is equal (Matulovic-Mariotti, ZT, Praia da Rocha, 1978).
• 16.f5 Rxb2 17.g4 Qa5 18.g5 Ne8 19.Bc1 Rxa2 20.Bb2 Rxa1 21.Qxa1 Bb4 22.c3 Qxa1 23.Rxa1 Bd6 24.Ra6 h6 25.Bc1 hxg5 26.Bxg5 Nf6 27.Bxf6 draw (Ehlvest-Illescas, French League, France, 1989).
• If 26...f5 27.a5 g5 28.Qc1 Qe5+ is equal.
• If 21.Kh1 Rbe8 22.Rf5 Qc3 23.Rf3 Qe5 24.Rf5 Qc3 25.Rf3 Qe5 draw (Illescas-Cramling, Op, Terrassa, 1990).
• If 8...Be7 9.f4 d6 then:
• If 10.Kh1 0-0 11.a4 then:
• If 11...Re8 then:
• If 12.Bf3 Rb8 13.Qd2 Bd7 then:
• If 14.Nb3 b6 then:
• If 15.g4 Bc8 16.g5 Nd7 17.Bg2 Na5 18.Qf2 Nc4 19.Bc1 Bf8 20.Nd4 then:
• 20...Bb7 21.b3 Na5 22.Bb2 Nc6 23.Nf3 g6 24.Rad1 Bg7 is equal (Timoshenko-Lesiege, Op, Koszalin, 1999).
• If 10.Qe1 0-0 11.Kh1 then:
• If 11...Nxd4 12.Bxd4 b5 13.a3 Bb7 14.Qg3 Bc6 15.Rae1 Qb7 16.Bd3 b4 then:
• If 17.Nd1 bxa3 18.bxa3 Rac8 19.Nc3 g6 20.f5 e5 21.Be3 Nxe4 22.Nxe4 Bxe4 23.Bxe4 Qxe4 24.Bg5 Qb7 25.Rb1 Qd7 26.Bxe7 Qxe7 27.f6 Qc7 28.Qg5 Kh8 29.Rb4 e4 30.Rxe4 Black resigns (Szelag-Jaracz, Polish ChT, Zakopane, 2000).
• 17.axb4 Qxb4 18.Ne2 Qb7 19.Nc3 Qb4 20.Ne2 g6 21.Qh4 e5 22.fxe5 dxe5 23.Bxe5 Nxe4 24.Qh6 Nf6 draw (Movsisyan-Shulman, Op, Stillwater, 2005).
• If 11...Bd7 12.Qg3 Kh8 then:
• If 13.Rad1 b5 14.Bd3 Ng8 15.Nxc6 Bxc6 16.Bd4 Bf6 17.e5 dxe5 18.Bxe5 Qb7 19.Rde1 g6 20.Ne4 Bxe4 21.Bxe4 Qb6 22.Rd1 Rfd8 draw (M. Johansson-Ivkov, IT, Halle, 1963).
• 13.Rae1 b5 14.a3 Rab8 15.Bd3 b4 16.axb4 Nxb4 17.Bc1 Nxd3 18.cxd3 Rb4 is equal (Ivanovic-Gasic, IT, Sarajevo, 1972).
• If 14.Qf2 Nxd4 15.Bxd4 e5 16.Bb6 Qc4 17.Be2 Qc6 18.a5 exf4 19.Qxf4 Be6 20.Bd4 Nd7 21.Nd5 gives White a healthy advantage in space (Kuczynski-Jaworski, Polish ChT, Glogow, 2001).
• If 20...Na5 21.f5 Ne5 22.Nce2 Nac6 23.c3 exf5 24.exf5 Nxd4 25.Nxd4 Bb7 is equal (Jansa-Ftacnik, Prague, 1989).
• If 15.Bf2 Bc8 16.Bg3 Nd7 17.e5 dxe5 18.Rae1 Bb7 19.fxe5 Ncxe5 20.Bxb7 Rxb7 21.Qe2 f6 is equal (Anand-Topalov, IT, Linares, 1999).
• If 12.Bd3 Nb4 13.a5 Bd7 14.Qe1 then:
• If 14...Rac8 15.Qg3 Nh5 then:
• 16.Qh3 Nf6 17.Rf3 Nxd3 18.cxd3 b5 19.axb6 Qxb6 20.Rf2 is equal (Predojevic-Zivkovic, Op, Bosnjaci, 2006).
• 16.Qf3 Nf6 invites a draw by repetition.
• If 14...Nxd3 15.cxd3 Bc6 16.Qg3 then:
• 16...Rac8 17.Nf3 Bf8 18.Bb6 draw (I. Smirin-K. Georgiev, Euro ChT, Saint Vincent, 2005).
• If 16...Nd7 17.f5 Bf6 18.Nde2 Be5 19.Qh3 exf5 20.Qxf5 Bf6 21.d4 Nf8 gives White the advantage in space (I. Smirin-Topalov).
• If 11...Bd7 12.Nb3 b6 13.Bf3 then:
• 13...Rfe8 14.g4 Bc8 15.g5 Nd7 16.Bg2 Bb7 17.Qh5 Nb4 18.Rf2 Bf8 19.Raf1 Re7 20.Qh3 Rae8 21.Bc1 g6 22.Nd1 Na2 23.Be3 Qc4 24.Nd4 Nb4 25.b3 Qc8 is equal (Bromberger-Jakovenko, World Jr Ch, Goa, 2002).
• If 13...Rab8 14.g4 Bc8 15.g5 Nd7 16.Bg2 Re8 then:
• 17.Qh5 g6 18.Qh4 b5 19.axb5 axb5 20.Rf3 b4 21.Ne2 Bf8 22.Rh3 gives White activity in the h-file (Salov-Gelfand, IT, Wijk aan Zee, 1998).
• 17.Qd2 Na5 18.Qf2 Nc4 transposes into Timoshenko-Lesiege and Jansa-Ftacnik, above.

6...a6 7.Qd2

• If 7.Bd3 then:
• If 7...Nf6 8.0-0 then:
• If 8...Ne5 9.h3 Bc5 10.Kh1 d6 11.f4 Ng6 12.Qe1 0-0 13.f5 Ne5 then:
• 14.Qh4? Bd7 15.Rf3 Nxf3 16.gxf3 Qd8 leaves Black up by the exchange (Harutjunyan-Aroshidze, Ebrilidze Mem, Tbilisi, 2007).
• 14.Qg3 Bd7 15.Nce2 exf5 16.Bh6 Nh5 17.Qg5 is equal (Sprenger-Hernandez, Op, Cappelle la Grande, 2003).
• If 8...Nxd4 9.Bxd4 Bc5 10.Bxc5 Qxc5 11.Kh1 then:
• 11...d6 12.f4 e5 13.Qe1 Be6 14.Nd5 Nxd5 15.exd5 Qxd5 16.f5 Bd7 17.Be4 Qc5 gives Black an extra pawn and more space, but also weaknesses in his pawn structure which White can exploit (Delgado-Vazquez, Cuban Ch, Las Tunas, 2001).
• 11...b5 12.Qe1 Bb7 13.f3 d6 14.a4 bxa4 15.Nxa4 Qc7 16.Ra3 0-0 is equal (Carlsen-Pähtz, YM, Lausanne, 2005).
• 7...b5 8.Nxc6 Qxc6 9.0-0 Bb7 10.a3 Nf6 11.Qe2 Be7 12.f4 0-0 13.e5 Nd5 14.Nxd5 Qxd5 15.c4 bxc4 16.Bxc4 Qc6 17.Rac1 Bc5 18.Bxc5 Qxc5+ 19.Qf2 Qxf2+ 20.Rxf2 Rfb8 21.b4 Bc6 22.f5 a5 23.fxe6 fxe6 24.Bxe6+ dxe6 25.Rxc6 axb4 26.axb4 Ra1+ 27.Rf1 Rxf1+ 28.Kxf1 Rxb4 29.Rxe6 Rb5 30.Kf2 Kf7 31.Ra6 draw (Landa-Tregubov, Russian Ch HL, Novokuznetsk, 2008).

7...Nf6 8.0-0-0 Bb4 9.f3 Ne5 10.Nb3 b5 11.Qe1

• If 11.Kb1 then:
• If 11...Be7 12.Qf2 d6 then:
• If 13.Bb6 Qb8 14.Bd4 0-0 15.g4 Bb7 16.g5 Nfd7 then:
• If 17.Rg1 b4 18.Ne2 a5 19.f4 a4 20.Nd2 Nc6 21.Be3 b3 22.cxb3 axb3 23.a3 Rc8 24.Nc3 Bf8 is equal (K. Georgiev-Z. Almasi, Ol, Torino, 2006).
• 17.f4 b4 18.fxe5 bxc3 19.exd6 Qxd6 20.Be2 Qc7 21.Bxc3 Bxg5 22.Rhg1! forces Black to play 22..f6, weakening her pawn structure (T. Kosintseva-Javakhishvili, Euro ChTW, Fügen, 2006).
• 13.g4 Nfd7 14.Rg1 Bb7 15.g5 Rc8 16.f4 b4 17.Nd5 exd5 18.fxe5 Nxe5 19.exd5 0-0 20.Bh3 Rce8 21.Bf5 Bd8 22.h4 a5 23.h5 a4 24.Nc1 Qa5 25.Nd3 Bxd5 26.Nf4 Bb7 27.Bd4 b3 28.Bc3 Qb6 29.Bd4 Qa5 30.Bc3 Qb6 31.Bd4 Qa5 32.Bc3 draw (N. Kosintseva-Javakhishvili, FIDE Knock Out W, Ekaterinburg, 2007).
• 11...Nc4 12.Bxc4 bxc4 13.Nc1 Rb8 14.N1e2 0-0 15.Bf4 e5 16.Bg5 Ne8 17.Ka1 d6 18.a3 a5 19.h4 Be6 is equal (Erdogdu-Aroshidze, Euro Ch, Kusadasi, 2006).

11...Rb8

• If 11...Be7 12.f4 Ng6 13.e5 Ng4 then:
• If 14.Ne4 14...0-0 15.Bc5 Bb7 then:
• 16.Bxe7 Nxe7 17.Nd6 Bd5 18.Bd3 f6 19.Qh4 Nh6 20.Kb1 Ng6 21.Bxg6 hxg6 22.Qg3 fxe5 23.fxe5 Nf5 is equal (K. Szabo-Horvath, Hungarian Ch, Szekesfehervar, 2006).
• 16.h3 Nh6 17.Bxe7 Nxe7 18.Bd3 Nd5 19.Qd2 Nf5 20.Rhe1 f6 21.Nec5 gives White a small advantage in space (Vachier Lagrave-Vitiugov, Euro Ch, Plovdiv, 2008).
• 14.Bd2 Bb7 15.Bd3 Rc8 16.Qe2 f5 17.exf6 Nxf6 18.Rhf1 0-0 19.g3 b4 20.Ne4 Nxe4 21.Bxe4 a5 22.Nd4 Bf6 23.Bxb7 Qxb7 gives Black a slight advantage in space (Svidler-Vitiugov, Eusian Ch, Moscow, 2006).

12.Qg3 Nh5 13.Qf2?

• The novelty buys White a peck of trouble. Black can defend any square on his side of the board on which White could move the Bishop along the a7/b1 diagonal.
• 13.Qh4 g6 14.g4 Be7 15.Qf2 Nf6 16.Bd4 Nc6 17.Be3 Ne5 18.g5 Nh5 19.Kb1 0-0 20.Bd4 Nc4 21.Rg1 a5 22.Bxc4 bxc4 23.Nc5 d6 24.N5a4 Bd7 25.Nb6 Be8 draw (Salgado-Javakhishvili, Anabal Op, Linares, 2005).


• 13.Qg5 g6 14.Bd4 f6 15.Qe3 Be7 16.g4 Nf4 17.Ne2 Nxe2+ 18.Bxe2 0-0 19.Kb1 a5 20.f4 Nc4 is equal (Parligras-Stellwagen, Bundesliga 0809, Wattenscheid, 2008).

BLACK: Daniel Stellwagen
!""""""""#
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WHITE: Sergey Karjakin
Position after 13.Qg3f2

13...Bxc3!

• Black takes charge.
• 13...Nc4!? 14.Bd4 0-0 15.Nc5 f5 16.Bxc4 bxc4 17.e5 is equal.

14.Bc5 d5!

• Although the Bishop is a deperado, the text is better than 14...Bxb2+ 15.Kxb2 d5 16.exd5 Nc4+ 17.Ka1 Nf6 with equality.

15.bxc3

• The desperado will not go down in a blaze of glory.
• 15.exd5 exd5 16.Rxd5 Be6 17.Bd6 Qb6 18.Bc5 Qb7 gives Black the initiative.

15...Bb7!

• Black takes the initiative anyway.

16.Qh4 Nf4 17.Qg3

• 17.Qxf4?? loses immediately to 17...Nd3+.

17...Nfg6 18.f4 Nd7 19.Bb4 Qxf4+?

• Black fumbles his advantage. Black has better pawn structure and it would be easier to exploit White's weaknesses with Queens on the board.
• 19...Nf6 20.Ba5 Qc8 then:
• 21.exd5 Bxd5 22.Rd4 0-0 23.Bd3 Nh5 Black has more activity.
• 21.e5 Ne4 22.Qe3 0-0 23.Bd3 Nxc3 24.Rd2 Ne4 gives Black an extra pawn and more activity.

20.Qxf4 Nxf4 21.Bd6

• The game is equal.

21...Ng6

• Black sacrifices the exchange, but gets nothing for it.
• 21...g5 22.g3 Ng6 23.Bxb8 Nxb8 24.Nc5 Bc6 25.Bg2 gives White a small tactical advantage in the center.
• 21...Rc8 22.Na5 Ba8 23.Bxf4 Nf6 24.c4 dxc4 25.Rd6 gives White a piece for two pawns.

22.Bxb8 Nxb8 23.Na5 Ba8 24.exd5!

• 24.Kd2?! Ne5 25.exd5 Bxd5 26.c4 bxc4 27.Kc3 Ke7 gives Black more freedom.

24...Bxd5?

• 24...exd5! 25.Be2 Nd7 26.Bf3 Nb6 27.Nb3 Nh4 28.Nc5 remains equal.

BLACK: Daniel Stellwagen
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WHITE: Sergey Karjakin
Position after 24...Ba8d5:p

25.c4!

• This move sends Black's b-pawn off the board, giving White a passed pawn.

25...bxc4 26.Nxc4 Ke7 27.Ne3 Bc6

• If Black thinks he can win a pawn with27...Bxa2 then he's disappointed after 28.Kb2 Bd5 29.Nxd5+ exd5 30.Rxd5 Rc8 31.g3.

28.Rd4 Ne5 29.Be2 Nbd7 30.Rhd1 Nc5 31.g3?

• Now it's White's turn to throw away a superior position.
• If 31.Nc4 Ng6 32.g3 then:
• After 32...Bb5 33.Bh5 Bxc4 34.Rxc4 Rc8 35.Bxg6 hxg6 36.h4 White remains up by an exchange.
• 32...Rb8 33.Na5 Be8 34.Rc4 Rc8 35.Nb7 wins at least the exchange for White.

BLACK: Daniel Stellwagen
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WHITE: Sergey Karjakin
Position after 31.g2g3

31...Rc8!

• If 31...Ne4! 32.Bxa6 Nc3 33.Rf1 then:
• 33...Nxa2+ 34.Kb2 Rb8+ 35.Kxa2 Ra8 36.c4 Rxa6+ 37.Kb2 g5 is equal.
• 33...Ra8 34.Bc4 Ra4 35.Kb2 Nd5 is equal.

32.Nc4

• White cannot prevent Black from equalizing.
• 32.h3 Bf3 33.Bxf3 Nxf3 34.Rc4 Ne5 35.Rh4 h6 is equal.
• 32.Ng4 Ned7 33.h3 f5 34.Ne3 Nf6 35.g4 g6 is level.

32...Nxc4

• The game goes into trench warfare, remaining equal for some time.

33.Bxc4 a5 34.Re1 f6 35.Re3

• 35.Rg4 g5 36.Rd4 e5 37.g4 Bf3 38.h3 remains equal.

35...e5 36.Be2 Be8 37.Rh4 h6 38.Ra3 Ra8

• 38...a4 39.Rb4 Bf7 40.c4 f5 41.h3 g5 remains equal.

39.Rb4 Kd6 40.Bf3

• 40.Rb6+ Kc7 41.Rb1 Bc6 42.Kd2 a4 remains equal.

40...Ra7 41.Rb8 Bd7 42.Kd2 e4 43.Be2

• If 43.Bg2 then:
• I43...f5 44.Rc3 Rc7 45.Re3 Ke5 46.Ra8 a4 47.Ra5 White still has the material edge, but Black has more freedom.
• I43...a4 44.Ke3 Rc7 45.Bxe4 Nxe4 46.Kxe4 Rxc2 47.Rd3+ keeps White up by an exchange.

43...f5 44.h4 a4 45.Rc3 Rc7 46.a3 g5?

• Black underestimates the power of White's next move and seeks to liquidate White's kingside pawns.
• After 46...Rc8 47.Rxc8 Bxc8 48.h5 Be6 49.Bc4 Bd7 50.Bf7 Black still has drawing chances.

BLACK: Daniel Stellwagen
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WHITE: Sergey Karjakin
Position after 46...g7g5

47.Rh8!

• White undermines Black's idea by putting his Rook behind the pawn mass.

47...f4

• 47...gxh4 48.Rxh6+ Be6 49.Rxh4 Ke5 50.Ke3 Na6 51.Rxc7 Nxc7 52.c4 leaves White a full exchange to the good with a passed pawn.

48.Rxh6+ Ke5 49.hxg5

• Also good is 49.Rh5 Bf5 50.Rxg5 Rd7+ 51.Ke1 Ne6 52.gxf4+.

49...f3 50.Bf1 Bf5 51.Ke3 Na6 52.Rhc6 1-0

• 52...Rxc6 53.Rxc6 Nb8 54.Rc5+ Ke6 55.Bc4+ wins a piece.
• Mh. Stellwagen resigns.

[Jack Rabbit]

6. So - León Hoyos, Group C, Round 6

Wesley So
Photo: ChessBase.com


Wesley So - Manuel León Hoyos
Corus Chess Tournament (Group C), Round 6
Wijk aan Zee, 23 January 2009

Open Sicilian Game: Najdorf-Dragon Defense (Adams Opening)

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.h3

• This is the starting points of the Adams Opening.

6...g6

• 6...e6 is more common and extremely drawish.
• If 6...e6 7.g4 d5 8.exd5 Nxd5 then:
• If 9.Bd2 Nc6 10.Nxc6 bxc6 11.Bg2 then:
• 11...Be7 12.Nxd5 cxd5 13.c4 0-0 14.0-0 Bb7 15.Bc3 Bf6 16.Bd4 Rb8 17.cxd5 Bxd4 18.Qxd4 Bxd5 19.Bxd5 Rb5 20.Qa4 Qxd5 21.b3 Qf3 22.Kh2 Rc5 White resigns (Marks-Reimer, Corres, 1991).
• 11...Rb8 12.0-0 Be7 13.Na4 Qc7 14.c4 Nf4 15.Bxf4 Qxf4 16.Bxc6+ Kf8 17.Qf3 Qxf3 18.Bxf3 Bd7 19.Nc3 Rxb2 20.Rab1 Ba3 21.c5 Ke7 22.c6 Bc8 23.Rxb2 Bxb2 24.Na4 Bd4 25.Rb1 Kd6 26.Nb6 Bxb6 27.Rxb6 Kc7 28.Rb3 draw (Tushin-Savon, Tula, 2001).
• If 9.Nde2 Bb4 then:
• If 10.Bg2 0-0 11.Bd2 Nxc3 12.Nxc3 then:
• 12...Qc7 13.Qe2 Bd7 14.a3 Bxc3 draw (Bronstein-Gufeld, Soviet Ch, Tallinn, 1965).
• 12...Nc6 13.a3 Be7 14.0-0 Qc7 15.Qf3 Rd8 16.Rad1 Bd7 17.Bf4 Qb6 18.b4 Be8 19.Be3 Qc7 20.Bf4 Qb6 21.Be3 Qc7 22.Bf4 Qb6 draw (Kurajica-Mecking, IT, Hastings, 1971).
• 10.Bd2 Nxc3 11.Bxc3 Qxd1+ 12.Rxd1 Bxc3+ 13.Nxc3 Bd7 14.Bg2 Bc6 15.Bxc6+ Nxc6 draw (Fontaine-Fressinet, French Ch, Val d'Isere, 2002).

7.g4 Bg7 8.Bg2 0-0 9.Be3

• 9.0-0 Nc6 10.Nde2 Be6 11.f4 Qb6+ 12.Kh1 Rac8 is equal (Ponkratov-Costantini, Op, Biel, 2001).

9...Nc6 10.0-0 Nd7!?

• 10...Bd7 11.Nde2 b5 12.f4 b4 13.Nd5 Nxd5 14.exd5 Na5 15.b3!? Bxa1 16.Qxa1 Rc8 17.Nd4 Nb7 18.f5 f6 19.fxg6 hxg6 20.Qe1 gives Black the exchange and White the advantage in space (Carlsen-Ponomariov, Tal Mem Blitz, Moscow, 2008).

11.a4

• The position is equal. White's move suggests some aggression on the queenside.

11...Nde5 12.b3

• Black's last move threatened a disruptive rejoinder 12...Nc4, which the present text move prevents.

12...Bd7 13.Nde2

• 13.Nce2 Nxd4 14.Nxd4 Qa5 15.Qe1 Qc7 16.f4 remains equal.

13...f5 14.exf5

• Capturing toward the center doesn't cut it here.
• If 14.gxf5?! gxf5 15.Qd5+ Kh8 16.f4 Ng6 then:
• If 17.a5 then after fxe4 18.f5 Nh4 19.Bxe4 Qc8 Black should win a pawn.
• 17.e5? dxe5 18.Rad1 exf4 19.Qxd7 Qxd7 20.Rxd7 fxe3 gives Black two extra pawns.

14...gxf5 15.g5!

• White's spatial advatage on the queenside is now permanent.

15...Ng6 16.f4 h6?!

• After this, White has a lasting advantage in space.
• If 16...Rc8 17.Qd2 Qa5 18.Rad1 then:
• If 18...Be8 19.Qd5+ Qxd5 20.Nxd5 then:
• 20...b5 21.axb5 axb5 22.c3 e6 23.Nb6 gives White a small advatage in space, but with the Queens gone Black has room to breathe.
• 20...e6 21.Nb6 Rd8 22.c4 Nh4 23.Bh1 Bh5 24.Rd2 gives White a small advatage in space.
• 18...Nh4?! 19.Bh1 Rf7 20.Nd5 Qxd2 21.Rxd2 gives White the edge in space and more freedom.

BLACK: Manuel León Hoyos
!""""""""#
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WHITE: Wesley So
Position after 16...h7h6

17.gxh6!

• 17.Qd5+ Kh7 18.a5 Qc8 19.Qd2 hxg5 20.fxg5 Rb8 remains equal.

17...Bxh6 18.Kh2

• If 18.Nd5 Nh4 19.Bh1 Bg7 20.c3 then:
• 20...Qe8 21.Bf2 Qg6+ 22.Kh2 Qh6 23.Qd3 gives White the advantage in space.
• 20...Kh7 21.Bf2 Ng6 22.Bb6 Qc8 23.Be3 gives White the advantage in space.

18...Kh7 19.Qd2

• If 19.Rg1 Rg8 20.Nd5 then:
• 20...Nh4 21.Bb6 Qf8 22.Bh1 Rxg1 23.Qxg1 gives White a sizable advantage in space.
• 20...Rc8 21.Nb6 Rc7 22.c4 Nh4 23.Bh1 gives White the advantage in space.

19...Rg8?!

• White has the advantage in space.
• 19...Qa5 20.Nd5 Qxd2 21.Bxd2 e6 22.Nb6 Rad8 23.Rg1 is equal.

20.Rad1

• White's advantage in space builds over the next few moves.
• 20.Nd5 Nh4 21.Bh1 Bg7 22.Rae1 Rb8 23.Bb6 gives White the advantage in space..

20...Qe8 21.Nd5 Rd8

• If 21...Nh4 22.Bh1 Qh5 23.Ng3 then:
• If 23...Qf7 then after 24.Nb6 Rad8 25.Nxd7 Rxd7 26.c4 a5 27.Bb6 White retains the advantage in space.
• 23...Qg6? 24.Rg1 Bg7 25.Nb6 Rad8 26.Ne4 Qh5 27.Ng5+ gives White more freedom.

22.b4 Rb8

• Black is aiming to play ...b5.

BLACK: Manuel León Hoyos
!""""""""#
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WHITE: Wesley So
Position after 22...Rd8b8

23.c4!

• ...b5 will now be difficult to enforce.

23...Qf7 24.b5 axb5 25.axb5

• Slightly better is 25.cxb5, giving White a 2:1 queenside majority, and if25...Nd8 then White builds an attack after 26.Nb6 when:
• After 26...Nh4 27.Bh1 Be8 28.Rg1 Rxg1 29.Rxg1 White is ready to push his queenside pawns.
• 26...Be8 27.Rg1 Nh4 28.Bh1 Bg7 29.Qd3 White pawns are ready to go on one wing and Black is tactically crippled on the other.

25...Nd8 26.Nb6

• White plays aggressively.
• If 26.Rg1 Ne6 27.Ra1 then:
• 27...Nh4 28.Bh1 Rxg1 29.Rxg1 Ng6 30.Ra1 Nc5 31.Ra7 gives White the advantage in space.
• 27...Bg7 28.Ra7 Nh4 29.Bh1 Qf8 30.Qd3 Be8 31.Nb6 gives White a huge advantage in space.

26...Be6 27.Nd4

• 27.Qd3 Qf6 28.c5 Nf7 29.c6 bxc6 30.bxc6 gives White an advanced passer.

27...Nh4 28.Bh1 Qh5

• If 28...Ng6? then after 29.Ra1 Nf8 30.Qd3 Kh8 31.Ra2 Kh7 32.Bd5 White is set to gain a winning advantage by a series of exchange.

29.Qf2 Bf7 30.Nf3

• If 30.Rg1 then:
• If 30...Rxg1 31.Rxg1 then:
• If 31...Ng6 32.Qg3 e5 33.Nd7 then:
• If 33...Qh4 34.fxe5 Qxg3+ 35.Rxg3 then:
• 35...f4 36.Rxg6 Bxg6 37.Bf2 Ra8 38.e6 Bg5 39.Nf8+ gives White the upper hand in spite of having only a pawn for the exchange.
• 35...dxe5 36.Nxf5 Bxe3 37.Nxb8 Bf4 38.c5 Be6 39.Nd6 wins.
• 33...Bg7 34.Bf3 Qh4 35.Nxf5 Qxg3+ 36.Rxg3 wins for White.
• 31...Ne6 32.Nxe6 Bxe6 33.Re1 Bf7 34.Bd2 Re8 35.Bxb7 gives White a strong position.
• If 30...Ng6 31.Ra1 Rg7 32.Nd5 then:
• If 32...Rc8 33.Bf3 then:
• 33...Qh4 34.Nxf5 Qxf2+ 35.Bxf2 Rxc4 36.Nxg7 Bxg7 37.Ra8 gives White the exchange and a winning position.
• Black's Queen is in mortal danger: if 33...Bxf4+ then after 34.Bxf4 Qh4 35.Bg3 Qg5 36.h4 Nxh4 37.Bxh4 the Queen is trapped.
• If 32...Nh4 33.Nf3 Bxd5 34.cxd5 Nxf3+ 35.Bxf3 Qf7 36.Qh4 and now:
• 36...Qf6 37.Qxf6 exf6 38.Rxg7+ Kxg7 39.Rc1 wins for White.
• After 36...Rxg1 37.Rxg1 Qf6 38.Qxf6 exf6 39.Bh5 Ra8 40.Bg6+ White wins.

30...Rg4?

• This is the final nail in Black's coffin.
• Nevetheless, while 30...Ng6 31.Ng5+ Bxg5 32.fxg5 f4 33.Bxf4 Be6 34.Bg2 is better, Black's chances of saving the game aren't good.

BLACK: Manuel León Hoyos
!""""""""#
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WHITE: Wesley So
Position after 30...Rg8g4

31.Ng5+!

• This forces the exchange of minor pieces, after which White wins material.

31...Bxg5 32.fxg5 Re4

• After 32...Ng6 33.Nd7 Rc8 34.Qxf5 Rgxc4 35.Bxb7 Rc2+ 36.Rd2 Black's defense collapses.

33.Nd7 Ra8 34.Rxd6 Rxe3

• The Black Queen has no move.

35.Rh6+ Qxh6 36.gxh6 f4 37.Qxh4 Ra2+ 38.Rf2 0-1

• Lights out!
• El señor León resigns.

[Jack Rabbit]

7. Domínguez - Morozevich, Group A, Round 5

Lenier Domínguez
Photo: Website of the 2005 Bermuda Chess Festival


Lenier Dominguez - Alexander Morozevich
Corus Chess Tournament (Group A), Round 5
Wijk aan Zee, 22 January 2009

Open Sicilian Game: Najdorf-Boleslavsky Defense (Chandler-Nunn Opening)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nb3 Be6 8.Qd2 Nbd7 9.f3 b5 10.0-0-0

• 10.a4 b4 11.Nd5 Bxd5 12.exd5 Nb6 13.Bxb6 Qxb6 14.a5 Qb7 15.Bc4 Be7 16.Ra4 Rb8 17.Nc1 Bd8 18.b3 0-0 19.Na2 e4 20.Kd1 Re8 21.Rxb4 gives White an extra pawn (Blehm-Sadvakasov, World Jr Ch, Calcutta, 1998).

10...Rc8

• If 10...Be7 11.g4 0-0 12.g5 b4 13.Ne2 Ne8 then:
• 14.f4 a5 15.f5 a4 16.Nbd4 exd4 17.Nxd4 b3 18.Kb1 bxc2+ 19.Nxc2 Bb3 20.axb3 axb3 21.Na3 Ne5 22.h4 Ra4 23.Qc3 Qa8 24.Rd4 Rxd4 25.Qxd4 Nc7 26.Rh3 Rb8 is equal (Svidler-van Wely, IT, Foros, 2008).
• 14.Ng3 a5 15.Kb1 a4 16.Nc1 b3 17.cxb3 axb3 18.a3 Qb8 19.h4 Nc7 20.f4 exf4 21.Bxf4 Qb7 is equal (Nimtz-Soltau, Corres, 2003).
• 11...h6 12.h4 Nb6 13.Qf2 Nfd7 14.Kb1 Qc7 15.Nd5 Bxd5 16.exd5 Nc4 17.Bc1 a5 18.Bd3 a4 19.Nd2 Ndb6 20.Be4 b4 is equal (Lutzenberg-Lexa, Corres, 2001).

11.g4 Nb6 12.g5 b4

• 12...Nh5 13.Na5 b4 14.Nd5 Nxd5 15.exd5 Qxa5 16.dxe6 fxe6 17.Kb1 g6 gives Black an extra pawn (Caruana-Kosteniuk, Rapid, Cap d'Agde, 2008).

13.Na4!?

• 13.Nb1 Nfd7 14.Bxa6 Nc4 15.Bxc4 Rxc4 is equal (Leko-Morozevich, Asrian Mem Rapid, Yerevan, 2008).

13...Nxe4

• White has more activity as a result of the opening novelty. His plan is to sweep away the Black queenside pawns and dominate the queenside with his heavy pieces and Bishops.
• 13...Nxa4 14.gxf6 Qxf6 15.Bxa6 Rb8 16.Ba7 Ra8 17.Qxb4 gives White an extra pawn, better development an more activity.

14.fxe4 Nxa4 15.Qxb4 Qc7

• If 15...Bxb3 16.Qxb3 Nc5 17.Bxc5 Rxc5 18.Qa4+ then:
• 18...Ke7 19.Qxa6 h6 20.Qa7+ Rc7 21.Qe3 White has swept away the queenside pawns, but Black may have some counterplay on the kingside that must be shut down.
• 18...Qd7 19.Qxd7+ Kxd7 20.Bxa6 Be7 21.Rhg1 gives White most of what he wants.

BLACK: Alexander Morozevich
!""""""""#
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WHITE: Lenier Domínguez
Position after 15...Qd8c7

16.Rd2!

• 16.Qxa4+?! is premature; 16...Bd7 17.Qc4 Qxc4 18.Bxc4 Rxc4 19.Nd2 Rc8 is equal.

16...Bd7

• 16...Bxb3 17.Qxb3 Qc6 18.Qd5 Be7 19.Rg1 0-0 20.h4 gives White extra space on the kingside.

17.Qa5

• 17.Bxa6 d5 18.Qb7 d4 19.Qxc7 Rxc7 20.Bf2 gives White an extra pawn.

17...Qc6

• 17...Qxa5 18.Nxa5 Nc5 19.Bxc5 Rxc5 20.b4 Rc3 21.Bxa6 gives White an extra pawn.

18.Bxa6

• White now has the extra pawn.

18...Rb8 19.Rd5 Be7 20.Ba7?!

• White was building a real head of steam, but this move allows Black to counterattack.
• 20.Be2 0-0 21.Rhd1 Rfc8 22.R1d2 Ra8 23.Bb5 White retains the extra pawn.

20...Ra8?

• This looks like a logical rejoinder, but it allows White strike back harder.
• If 20...Bxg5+ 21.Kb1 Bd8 22.Qd2 then:
• 22...Rxb3 23.axb3 Qxa6 24.Be3 Bc6 25.Rxd6 Be7 is equal.
• 22...Ra8? 23.Rxd6 Qc7 24.Rd1 Bc6 25.Qb4 gives White an extra pawn and greater activity.

BLACK: Alexander Morozevich
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WHITE: Lenier Domínguez
Position after 20...Rb8a8

21.Bb5!

• Any other move loses a piece and the game.

21...Qb7

• If 21...Bxg5+ 22.Kb1 Nc3+ then:
• 23.bxc3 Qb7 24.Rxd6 Qxb5 25.Qxb5 Bxb5 26.Rd5 White retains the extra pawn.
• 23.Qxc3 Qxc3 24.bxc3 Rxa7 25.c4 gives White retains the initiative.

22.Qxa4 Rxa7 23.Na5 Qc7

• If 23...Bxg5+ 24.Kb1 Bxb5 25.Rxb5 Qd7 26.Rb8+ then:
• 26...Bd8 27.Rxd8+ Kxd8 28.Nc6+ wins material for White.
• 26...Ke7 27.Qxd7+ Kxd7 28.Rxh8 Rxa5 29.Rxh7 leaves White up by an exchange.

24.Rhd1 Bxb5 25.Qxb5+ Kf8 26.Kb1 g6

• 26...Bxg5 27.Nc4 Rb7 28.Qa6 Be7 29.Nxd6 Rb6 30.Qc8+ leaves White a pawn to the good and more freedom with the Queens about to go off the board.

27.Nc4 Rb7 28.Qa4 Qb8

• 28...Kg7 29.Nxd6 Bxd6 30.Rxd6 Qc3 31.b3 leaves White two pawns to the good.

29.b3 Ra7 30.Qc6 Rc7 31.Rb5 Qa7 32.Qd5

• 32.Qb6 Qxb6 33.Rxb6 Bxg5 34.Rb8+ Kg7 35.Rxh8 Kxh8 36.Nxd6 leaves Blauck up by a pawn with three passers on the queenside.

32...Qf2

• If 32...Bxg5 33.Ra5 Qb7 then:
• After 34.Qxb7 Rxb7 35.Nxd6 Rd7 36.Rad5 Be7 37.Nc4 Rxd5 38.exd5 White has four passed pawns.
• After 34.Nxd6 Qxd5 35.Raxd5 Bf4 36.h3 Ke7 37.c4 White's queenside begins to advance.

33.Qd2 Qf3

• No better is 33...Qxd2 34.Rxd2 Bxg5 35.Rxd6 Bf4 36.Rd8+.

34.Nxd6 Bxg5 35.Nf5 Rc8 36.Rb8 1-0

• 36...Rxb8 37.Qd6+leads to a quick mate.
• Alexander Sergeyevich resigns.

[Jack Rabbit]

8. Wang - Ivanchuk, Group A, Round 2

And now, a cool sacrificial orgy.



Wang Yue (left) vs. Vassily Ivanchuk at the start of the present game
Photo: ChessBase.com


Wang Yue - Vassily Ivanchuk
Corus Chess Tournament (Group A), Round 2
Wijk aan Zee, 18 January 2009

Open Queen's Gambit: Catalan Opening

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Bg5 dxc4

• 4...Be7 5.Nc3 Nbd7 6.e3 0-0 is the Orthodox Queen's Gambit.
• 4...c6 5.Nc3 is the anti-Meran Gambit.

5.Qa4+

• 5.Nc3 c6 6.e4 is the Botvinnik Defense of the anti-Meran Gambit.

5...Nbd7 6.Nc3 a6

• If 6...Be7 7.e4 0-0 8.Bxc4 a6 then:
• 9.e5 9...b5 10.Bxb5 Nb6 11.exf6 gxf6 12.Qc2 axb5 13.Bh6 Re8 14.Nxb5 Ba6 15.Qxc7 Bb4+ 16.Nd2 Bxd2+ 17.Kxd2 e5 18.Qxd8 Rexd8 19.Nc7 leaves White two pawns up with the initiative (Laketic-Forno, Op, Genoa, 2001).
• 9.Qc2 c5 10.dxc5 Qc7 11.b4 b6 12.0-0 Bb7 13.Rfe1 Ne5 14.Nxe5 Qxe5 15.Be3 bxc5 16.b5 axb5 draw (Hort-lau, German Ch, Bad Neuenahr, 1991).

7.g3

• We now have a Catalan Opening.

7...b5!

• The novelty is a vigorous move that results in sharp opening play not often associated with the Catalan Queen's Gambit.
• 7...Be7 8.Bxf6 Bxf6 9.Qxc4 0-0 10.Bg2 Rb8 11.0-0 b5 12.Qd3 c5 13.Rfd1 cxd4 14.Nxd4 Ne5 15.Qc2 Qb6 16.a4 Bd7 17.axb5 axb5 is equal (Simonenko-Malakhatko, OP, La Fere, 2005).

8.Nxb5!

• Black has the advantage, but White finds the best retort.
• 8.Qc2 c5 9.Bg2 Bb7 10.Rd1 cxd4 11.Rxd4 Bc5 12.Rd2 Qc7 13.0-0 b4 gives Black the advantage in space.
• 10.0-0 cxd4 11.Nxd4 Bxg2 12.Kxg2 Bc5 13.Rad1 Qb6 gives Black an extra pawn and more activity.

8...Rb8 9.Na7?

• White is living dangerously. The Knight is at risk of being trapped behind enemy lines.
• 9.Na3 Rxb2 10.Nxc4 Rb4 11.Qc2 Bb7 12.Bg2 is equal.

9...Rb4 10.Bxf6!

• White's calculations must be exact.
• If 10.Qc2? Bb7 11.a3 Rb6 then:
• 12.Bxf6 Nxf6 13.Qa4+ Nd7 14.Bg2 Rd6 15.Rc1 Qb8 wins the Knight.
• 12.Bd2 Bd5 13.Bg2 Qb8 wins the Knight.

10...gxf6 11.Qa5

• 11.Qc2? Bb7 12.a3 Rb6 13.Qxc4 Qb8 14.Bg2 Qxa7 wins the Knight.

11...Bb7 12.Bh3

• 12.a3? Rb6 13.Rg1 Bxf3 14.exf3 Qb8 wins the Knight.

12...Qb8 13.Qh5!? Ke7?

• Black misses a win.
• 13...Rb6! 14.Nc6 Rxc6 15.d5 Bb4+ 16.Kf1 exd5 17.Bxd7+ Kxd7 18.Qxf7+ Be7 Black is a piece to the good.
• 15.0-0 Rb6 16.a4 c5 17.a5 Rd6 18.dxc5 Rd5 Black remains up by a piece.

BLACK: Vassily Ivanchuk
!""""""""#
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WHITE: Wang Yue
Position after 13...Ke8e7

14.d5!

• This is the key to White's plan.
• If 14.Qa5 Rb6 15.Qc3 Qxa7 then:
• If 16.Rc1 Rd6 17.Qxc4 Rc6 18.Qxc6 Bxc6 19.Rxc6 Qb7 leaves Black up a Queen against a Rook and pawn.
• If 16.0-0 Ke8 17.Rfd1 c5 then:
• If 18.b3 cxb3 19.dxc5 Bxc5 20.Rxd7 b2 assures Black of winning a Rook.
• 18.Rac1 Rd6 19.Bg2 cxd4 20.Qxc4 Qa8 21.Qb4 d3 forces White to surrender more material.

14...Qxa7

• Black is up by a piece.

15.dxe6 fxe6 16.Bxe6!

• White is a piece down and sacrifices a second piece. The game is equal.

16...Kxe6 17.Qe8+!

• A fine move that either wins back the sacrificed material or just wins.

BLACK: Vassily Ivanchuk
!""""""""#
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WHITE: Wang Yue
Position after 17.Qh5e8

17...Be7!

• Black is forced to surrender the Rook; no other move will do.
• If 17...Kd6? 18.0-0-0+ then:
• 18...Bd5 19.Rxd5+ Kxd5 20.Qxd7+ Bd6 21.Rd1+ Kc5 22.Rxd6 wins material for White.
• 18...Kc6 19.Qxd7+ Kb6 20.Qd4+ c5 21.Qxf6+ gives White a strong material advantage.

18.Qxh8 Nf8 19.Qg8+

• 19.a3 Rb6 20.Qg8+ Kd7 21.Qxc4 Ke8 remains equal.

19...Kd7 20.0-0-0+?

• White castles into it. He would make a fight of it with a more active defense. At the very least, his King would be safer on the other wing.
• If 20.Qf7 Qc5 21.Rd1+ Kc6 then:
• If 22.b3 cxb3 23.axb3 then:
• If 23...Bc8 24.0-0 Kb7 25.Nd4 Qe5 26.e3 Bh3 27.Rfe1 then:
• 27...Bc5 28.Rc1 Bd6 29.Rc4 Rb6 30.Ra4 Bd7 gives Black a slight initiative.
• 27...Be6 28.Nxe6 Qxe6 29.Qh5 remains equal.
• 23...Qc3+ 24.Kf1 Re4 25.Rd3 Qb4 remains equal.
• 22.Rb1 Kb6 23.0-0 Be4 24.a3 Rb5 25.b4 cxb3 gives Black a slight initiative.

20...Ke8!

• Black finds the only move that wins.
• After 20...Kc8?? 21.Qf7 Bxf3 22.Qxe7 Rb8 23.exf3White wins easily.

21.Qg4

• 21.a3 Rb5! 22.a4 Rb4 23.Rhf1 Qc5 24.Nd4 c3! is lights out.

21...Qc5 22.a3

• 22.Qd4 c3 23.Qxc5 cxb2+ 24.Kb1 Bxc5 25.Rd3 Be4 wins the exchange.

BLACK: Vassily Ivanchuk
!""""""""#
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/(((((((()
WHITE: Wang Yue
Position after 22.a2a3

22...Rxb2!!

• This sacrifice is the fastest way home. White cannot prevent Black's c-pawn from advancing with a decisive effect.

23.Kxb2 Qxa3+ 24.Kb1 Qb3+ 25.Ka1

• If 25.Kc1 then after 25...c3! 26.Qh5+ Ng6 27.Rd2 Ba3+ 28.Rb2 cxb2+ Black delivers mate on the next move.

25...c3! 0-1

• White must submit to mate or loose a Rook.
• Grandmaster Wang resigns.

[Jack Rabbit]

9. Sasikiran - Kasimdzhanov, Group B, Round 3

Rustam Kasimdzhanov
Wikipedia


Krishnan Sasikiran - Rustam Kasimdzhanov
Corus Chess Tournament (Group B), Round 3
Wijk aan Zee, 19 January 2009

Open Queen's Gambit: Mannheim Opening

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Qc2 dxc4 5.Qxc4 Bg4

• If 5...Bf5 6.g3 e6 7.Bg2 Nbd7 8.0-0 Be7 9.Nc3 0-0 then:
• If 10.Re1 Ne4 11.Qb3 Qb6 12.Nh4 Bxh4 13.gxh4 Nef6 then:
• 14.e4 Bg6 15.Qxb6 axb6 16.Bf4 Rfe8 17.Rad1 b5 18.Bd6 e5 19.d5 Nh5 is equal (Aronian-Anand, IT, Linares-Morelia, 2007).
• 14.Qxb6 axb6 15.Bf4 b5 16.Bd6 Rfe8 17.e4 Bg6 18.b3 e5 19.dxe5 Nxe5 is equal (Stefanova-Aginian, Euro ChW, Plovdiv, 2008).
• If 10.e3 Ne4 then:
• 11.Qe2 Nxc3 12.bxc3 Be4 13.a4 c5 14.Bb2 Qc7 draw (Drasko-Matulovic, Yugoslav Ch, Novi Sad, 1995).
• 11.Rd1 Nxc3 12.bxc3 Be4 13.Ne1 Bxg2 14.Nxg2 c5 15.Rb1 Qc7 16.e4 Rfd8 17.Bf4 e5 18.dxe5 Nxe5 19.Qe2 Rxd1+ 20.Qxd1 Rd8 21.Qe2 is equal (Jeremic-Raicevic, Serbia-Montenegro Team Ch, Herceg Novi, 2005).
• If 5...e6 6.Nc3 b5 7.Qd3 then:
• If 7...Nbd7 8.e4 b4 9.Na4 Bb7 then:
• If 10.e5 Nd5 11.Bd2 then:
• 11...Qa5 12.b3 c5 13.dxc5 Bxc5 14.Qb5 Qxb5 15.Bxb5 Be7 16.Rc1 a6 17.Bc6 Bxc6 18.Rxc6 0-0 19.0-0 Rfc8 20.Rfc1 Rxc6 21.Rxc6 Kf8 22.Kf1 draw (Horvath-P. H. Nielsen, Austrian ChT, Graz, 2002).
• 11...N5b6 12.Qc2 Nxa4 13.Qxa4 c5 14.Bb5 a6 15.Bc6 Qc8 16.Bxb7 Qxb7 17.0-0 Be7 18.dxc5 Bxc5 19.a3 bxa3 20.bxa3 0-0 21.Rab1 gives White the advantage in space (Kaufman-Ippolito, US Ch, Tulsa, 2008).
• 10.Bg5 Qa5 11.b3 c5 12.Bxf6 gxf6 13.Be2 0-0-0 14.0-0 Kb8 15.d5 Nb6 16.Nxb6 Qxb6 17.Rad1 Bh6 18.Qc4 Rd6 19.dxe6 Rxe6 20.Rd5 Rhe8 21.Bd3 Rd8 22.Rd1 Red6 23.Be2 Bxd5 24.exd5 Qb7 Black is up by an exchange (Karpov-Gelfand, IT, Linares, 1995).
• 7...a6 8.e4 c5 9.dxc5 Bxc5 10.Qxd8+ Kxd8 11.Bd3 Nbd7 12.0-0 Bb7 13.e5 Nd5 14.Ne4 Ke7 15.Bg5+ f6 16.exf6+ gxf6 17.Bh6 Kf7 18.Rae1 Be7 19.Bb1 Rad8 is equal (Tre3gubov-Gelfand, Russian ChT, Sochi, 2005).

6.Nc3

• If 6.Nbd2 Nbd7 7.g3 e6 8.Bg2 Be7 9.0-0 0-0 10.Ne5 Bh5 11.Nxd7 Nxd7 12.Nb3 a5 13.a4 e5 14.Rd1 Qc7 15.Bd2 Rfd8 is equal (Grivas-Caruana, Corus C, Wijk aan Zee, 2008).

6...Nbd7 7.Ng5

• 7.e4 Bxf3 8.gxf3 e5 9.Be3 exd4 10.Bxd4 Bd6 11.0-0-0 Qc7 12.Bh3 b5 13.Qe2 0-0 14.Kb1 Bf4 is equal (Andersson-Christiansen, IT, London 1982).

7...e6!?

• The grandmaster from Uzbekistan does not want a theoretical discussion.
• 7...Bh5 8.e4 e5 9.Be2 Bg6 10.dxe5 Nxe5 11.Qb3 h6 12.Nf3 Nxf3+ 13.Bxf3 Qb6 14.Qc2 Bd6 15.Be3 Qc7 16.g3 0-0 17.0-0 Rfe8 is equal (Ivkov-Mihaljcisin, Yugoslav Ch, Vrnjacka Banja, 1962).

8.f3

• The novelty has produced an equal game.
• 8.Qb3 Nb6 9.e3 Bd6 10.Bd3 Bc7 11.Nge4 e5 is also equal.

8...Bh5 9.e4 e5

• 9...Nb6 10.Qd3 Qd7 11.Nh3 0-0-0 12.Be3 Bg6 remains equal.

10.Be3

• If 10.dxe5 Nxe5 11.Qb3 Nfd7 12.Be3 h6 gives Black an advantage in space.

10...Nb6

• Each side appear to want to complete his development before opening the center.
• 10...exd4 11.Bxd4 Qa5 12.Be3 Nb6 13.Qb3 Rd8 gives Black the advantage in space.

11.Qd3 Nfd7 12.d5

• If 12.0-0-0 Qf6 13.g4 Bg6 14.h4 h6 15.Be2 remains equal.

12...Bb4 13.dxc6 bxc6 14.h4?!

• If 14.Rd1 Rb8 15.a3 Be7 16.Nh3 0-0 remains equal.

14...h6 15.Nh3 f6 16.Nf2 Bf7

• Black wants to be ready to defend the kingside should White start advancing pawns.
• If 16...Rb8?! 17.Qc2 Qe7 18.Nd3 then:
• If 18...Ba5 19.a3 then:
• If 19...c5 20.Nxc5 Nxc5 21.b4 Bxb4 22.axb4 Ne6 23.Bb5+ White's concentration of pieces on the queenside allow him to better exploit the nearly pawnless terrain.
• 19...Nc8 20.Rc1 Qd8 21.Rd1 Qe7 22.Qa4 Bb6 23.Qxc6 wins a pawn for White.
• 18...a5 19.Nxb4 axb4 20.Na4 Nxa4 21.Qxa4 0-0 22.g4 gives White a spatial plus on the kingside.

17.Qc2 Qe7

• If 17...0-0 18.a3 Bc5 then:
• 19.Ncd1 Bxe3 20.Nxe3 c5 remains equal.
• 19.Bxc5 Nxc5 20.Rd1 Qe7 21.b4 Nb3 22.Ne2 a5 23.Rd3 Qe6 gives Black the advantage in space.

18.Nd3 Nc4 19.Bf2 Ba5 20.0-0-0!?

• 20.Rd1 0-0 21.g3 Bb6 22.b3 Na3 23.Qc1 Rad8 remains equal.

20...Bb6 21.Re1

• 21.Qa4 Rc8 22.Bg1 Ne3 23.Re1 Nxf1 24.Rxf1 0-0 gives Black a tactical edge; White cannot initiate the exchange of Bishops with any advantage.

21...0-0 22.g3?!

• This move is too timid. White should play aggressively on the kingside in an opposite-side castling position.
• If 22.g4 Rab8 23.Rg1 Be6 24.Bxb6 Rxb6 then:
• If 25.Na4 Rbb8 26.g5 fxg5 27.hxg5 hxg5 then:
• 28.Be2 g4 29.f4 Ncb6 30.Bxg4 exf4 remains equal.
• 28.b3 Ncb6 29.Nac5 Rxf3 30.Nxd7 Nxd7 gives Black two extra pawns.
• 25.g5 fxg5 26.hxg5 hxg5 27.b3 Na3 28.Qg2 g4 gives Balck an extra pawn and more activity.

BLACK: Rustam Kasimdzhanov
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WHITE: Krishnan Sasikiran
Position after 22.g2g3

22...Rfd8!

• Black seizes the d-file.

23.Rh2 Rab8!

• Black takes command of the b-file.

24.f4

• White's position has become difficult.
• If 24.b3 Na3 25.Qd2 Bxf2 then:
• 26.Qxf2 c5 27.Rd1 c4 28.bxc4 Nxc4 gives Black command of open lines in a position where White's King is stripped of his pawn protection.
• No better is 26.Rxf2 c5 27.Qe3 c4 28.bxc4 Nxc4 29.Qxa7 Ra8 leaves White with only losing moves.

24...Nf8 25.Na4?

• If 25.fxe5 Nxe5 26.Nxe5 Qxe5 then:
• 27.Rg2 Bxf2 28.Qxf2 Qa5 29.a3 Rb3 gives Black command of the queenside and center.
• If 27.Rd1 Rxd1+ 28.Kxd1 Rd8+ then:
• After 29.Kc1 Nd7 30.Kb1 Bxf2 31.Qxf2 Nc5 Black will be able to out gun White for the e-pawn.
• 29.Ke1 Bxf2+ 30.Kxf2 Qd4+ 31.Kf3 Ng6 32.Kg2 Ne5 pushes Black into his own territory to organize a passive defense.

BLACK: Rustam Kasimdzhanov
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WHITE: Krishnan Sasikiran
Position after 25.Nc3a4

25...Bd4!

• If White lets the Bishop stay there, Black will breaktrough by overpowering the b-pawn; if White takes the Bishop, Black simply retakes with the Rook threatening White's queenside and center from d4.

26.Nxe5

• White tries to solve all his problems with a single stroke, but he is already lost..
• If 26.Bh3 Ne6 then:
• If 27.Bxe6 Bxe6 28.Rg2 Qd6 29.f5 then:
• 29...Na3! 30.bxa3 Qxa3+ 31.Kd2 Bxa2 32.Bxd4 Rxd4 gives White mating threats and a minor piece for two pawns.
• 29...Bxf2!? is less accurate, but after 30.Nxf2 Qb4 31.Re2 Bf7 Black still has a strong advantage.
• 27.f5 Nc7 28.b3 Qa3+ 29.Kd1 Rxb3 30.axb3 Ne3+ ties White's defense up in knots.

26...Nxe5!

• 26...fxe5? 27.Bxc4 exf4 28.gxf4 Rb4 29.Bxf7+ Qxf7 30.Bxd4 is equal.

27.fxe5 Qxe5 28.Bc4

• 28.a3 c5 29.Bc4 Bxc4 30.Qxc4+ Kh7 gives Black activity against the enemy King position.

28...Bxc4 29.Qxc4+ Kh8 30.Qc2 Ne6

• If 30...c5 31.Rf1 Ne6 then:
• If 32.Kb1 c4 33.Qxc4 Bxb2 34.Bxa7 then:
• 34...Bd4+! 35.Bxb8 Qxe4+ 36.Rc2 Rxb8+ White must submit to a mating net or surrender material.
• 34...Rbc8 35.Qxc8 Rxc8 36.Nxb2 Qxg3 Black's Queen trumps White's Rook and minor piece.
• 32.Bxd4 Rxd4 33.Nc3 c4 34.Rd2 Nc5 35.Rf3 Nd3+ wins at least the exchange.

31.Rf1

• Little better is 31.Bxd4 Rxd4 32.Rg2 c5 33.Nc3 c4 34.Na4 Rb4.

31...Rb4 32.Be1 Qb5 33.Rf5

• 33.Rf3 Rxa4 34.b3 Ra6 35.Rd2 Qh5 36.Rfd3 Qe5 wins for Black.

BLACK: Rustam Kasimdzhanov
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WHITE: Krishnan Sasikiran
Position after 33.Rf1f5

33...Qxa4!

• White sacrifices the exchange in order to weave a tight mating net.

34.Bxb4

• 34.Qxa4 Rxa4 35.b4 Be5 leaves Black a piece to the good.

34...Qxb4 35.Rf1 Bxb2+ 0-1

• After 36.Kb1 Bd4+ 37.Kc1 Be3+ White is soon mated.
• Sasikiran-ji resigns.

[Jack Rabbit]

10. Update (Tuesday): Karjakin defeats Movsesian, reclaims first place

Nineteen-year-old Ukrainian grandmaster Sergey Karjakin defeated Slovakian GM Sergei Movsesian a few minutes ago to reclaim a share of the lead in the Group A after nine rounds at the annual Corus Chess Tournament in the Dutch seaside town of Wijk aan Zee.

Movsesian began the day a half-point ahead of Karjakin and three other grandmasters.

Movsesian, playing Black, resigned on the 68th move of a Queen-and-pawn ending when the inevitability of White gaining a second Queen was obvious.

Cuban grandmaster Lenier Domínguez, the highest ranked player from Latin America, joined Karjakin in a first place tie by defeating Dutch GM Daniel Stellwagen in 51 moves. Another grandmaster with a shot of holding a piece of the top is Armenia's Levon Aronian, who has the better game as White against Russo-American GM Gata Kamsky after 66 moves.

Updating the update:

Aronian defeated Kamsky in 80 moves. Karjakin, Domínguez and Aronian share first place with 5½ points each. Movsesian is a half point behind, as is Azerbaijani GM Teimour Radjabov.

[Jack Rabbit]

11. Interesting sweat shirt

Cade Press