Tuesday, November 30, 2010
Two games between chess engines
Two games played 2010 between chess engines: Jonny - Rybka and Scaramanga - Jonny.
The games were played at the 30th Open Dutch Computer Chess Championship in Leiden.
Shariyazdanov - Züger, Elista 1998
Andrey Shariyazdanov - Beat Züger, Chess Olympiad 1998, Elista.
The game annotated at the following link
Sunday, November 28, 2010
Friday, November 26, 2010
Where are the new opening books about the Breyer Variation?
The Breyer Variation in the opening Ruy Lopez (Spanish) is very popular again in tournament chess. I'm therefore very surprised to not see new opening books about the Breyer Variation 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Nb8.
What Wikipedia writes about the Breyer Variation:
The Breyer Variation was supposedly suggested by Gyula Breyer in an unpublished manuscript in the 1920s, but no such document has been discovered and there are no known game scores in which Breyer employed this line. It is unclear how Breyer's name came to be associated with this variation, but the terminology is well established. The Breyer Variation did not become popular until the 1960s when it was adopted by Spassky and others. In particular, Spassky's back to back wins over Tal at Tbilisi in 1965 did much to enhance its reputation, and Spassky has a career plus score with the Breyer. With 9...Nb8 Black frees the c-pawn and intends to route the knight to d7 where it supports e5. Black can follow up with ...Bb7 and ...c7-c5. White can attack either the kingside or the queenside. If White fortifies the center with 10.d3 the opening is given ECO code C94. The more common continuation, 10.d4, is ECO C95.
Games at Chessgames.com with the Breyer Variation:
Link
What Wikipedia writes about the Breyer Variation:
The Breyer Variation was supposedly suggested by Gyula Breyer in an unpublished manuscript in the 1920s, but no such document has been discovered and there are no known game scores in which Breyer employed this line. It is unclear how Breyer's name came to be associated with this variation, but the terminology is well established. The Breyer Variation did not become popular until the 1960s when it was adopted by Spassky and others. In particular, Spassky's back to back wins over Tal at Tbilisi in 1965 did much to enhance its reputation, and Spassky has a career plus score with the Breyer. With 9...Nb8 Black frees the c-pawn and intends to route the knight to d7 where it supports e5. Black can follow up with ...Bb7 and ...c7-c5. White can attack either the kingside or the queenside. If White fortifies the center with 10.d3 the opening is given ECO code C94. The more common continuation, 10.d4, is ECO C95.
Games at Chessgames.com with the Breyer Variation:
Link
Tuesday, November 23, 2010
Paikidze - T. Kosintseva, Russian Women's Superfinal
Nazi Paikidze - Tatiana Kosintseva, 60th Russian Women's Superfinal 2010.
The game at Chessgames.com.
More games at Chessgames.com from the 60th Russian Women's Superfinal 2010.
Friday, November 19, 2010
Blitz game 2010: Carlsen - Nakamura
Magnus Carlsen - Hikaru Nakamura
2010 World Blitz Chess Championship, Moscow.
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 b5 9.a3 g5 10.fxg5 cxd4 11.Nxd4 Ncxe5 12.Bd3 Bb7 13.O-O Bg7 14.Nce2 Ng4?
Chess engine Stockfish suggest instead both 14...Qe7 and 14...Qc7.
14...Qe7 15.Nf4 Nxd3 16.Nxd3 O-O 17.Qb4 Qd8 18.Qd6 Ne5 19.Qxd8 Rfxd8 20.Nc5 Ng4 21.Nxb7 Nxe3 22.Nxd8 Nxf1 (Stockfish).
14...Qc7 15.a4 bxa4 16.Nf4 Nxd3 17.Nxd3 O-O 18.Qb4 e5 19.Nf5 d4 (Stockfish).
15.Kh1?
15.g6! Rf8 (15...hxg6 16.Nxe6! fxe6 17.Bxg6+ Ke7 18.Qb4+) 16.gxf7+ Rxf7 17.Rxf7 Kxf7 18.Rf1+ Kg8 19.Nxe6 Qb8 20.Rf4 Qe5 21.Rxg4 Qxe6 (Stockfish).
15...Nxe3 16.Qxe3 Qe7 17.Ng3 Be5 18.c3 Rg8 19.h4 h6 20.Ngf5 exf5 21.Nxf5 Qc5 22.Qxc5?! Nxc5 23.Nxh6 Rh8 24.Bc2 f6 25.Rae1 Rxh6?
25...Ne4!
26.gxh6 Ne4 27.Kg1 Ke7 28.Rf5 Rh8 29.Rh5 Kf7 30.g4 Bf4 31.Bb3 Nd2 32.Bd1 Rxh6?
Better 32...a5 33.Kg2 Nc4 34.Bf3 Be5 35.Re2 Kg6 36.Kh3 Rh7 37.g5 Bc8+ 38.Bg4 (Stockfish).
33.Rxh6?
33.g5! Rxh5 34.Bxh5+ Kf8 35.Re8+ Kg7 36.Re7+ Kh8 37.gxf6 Nc4 38.Rxb7 Be5 39.Bf7 Nxb2 40.Bxd5 Bxf6 (Stockfish).
33...Bxh6 34.Bc2?? 0-1
And black has 34...Nf3+ followed by Nxe1.
Better is 34.Be2 Be3+ 35.Kh2 Ne4 36.h5 Kg7 37.Kg2 Bd2 38.Rf1 d4 39.cxd4 Be3 40.Kf3 Bxd4 (Stockfish).
Video from this blitz game:
Wednesday, November 17, 2010
Sunday, November 14, 2010
Blitz game 2009: Anand - Kosteniuk
A game from the 2009 World Blitz Chess Championship in Moscow.
The blitz game Anand - Kosteniuk at Chessgames.com
Saturday, November 13, 2010
A Poor Queen Position
Mark Dvoretsky article at ChessCafe.com about some vulnerable queen positions.
Link to article (pdf document).
Saturday, November 6, 2010
Friday, November 5, 2010
Two theoretical novelties in one single game
Marjan Šemrl played some years ago two theoretical novelties in one single game.
The game was played in the correspondence chess tournament Chessfriends Rochade 5171 - 15th Year Anniversary.
Link to the game, annotated by Marjan Šemrl.
Thursday, November 4, 2010
RSA videos on YouTube
Link to the YouTube channel RSA (Royal Society for the encouragement of Arts, Manufactures and Commerce).
Monday, November 1, 2010
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