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| Chess by Malcolm Pein of the Daily Telegraph   Malcolm Pein writes for the Daily Telegraph (telegraph.co.uk)
you can read his chess columns along with those of Nigel Short and David
Norwood at their new
Chess
Club (to read the columns you need to register which is free). A disastrous blunder from Garry Kasparov settled the second game of his match against the computer program FritzX3D at the New York Athletic Club on Thursday night. Kasparov played black and was comfortably placed when a single mistake left him in a lost position immediately and he resigned on move 39. The first game was typical human v computer game but Kasparov saw an advantage slip to a draw; this time a level position became a lost one instantly. The computer played the Ruy Lopez and Kasparov responded with the Berlin Defence, a particularly solid choice favoured by his rival Vladimir Kramnik. The computer did not play any of the critical lines but preferred a slow build-up and the early moves saw just normal development. On move ten Kasparov managed to tempt the machine forward to close the centre and produce the kind of structure that favours human players with few tactical opportunities and mainly strategic play. However the world number one had to make a big concession, the exchange of his valuable white squared bishop in what became a King's Indian type position. As expected the machine became slightly confused but played mainly useful if not optimal moves that allowed Kasparov to take the initiative on the kingside. Perhaps he became too confident but Kasparov allowed the machine to change the pawn structure again and it began to play really well before drifting again back to an approximately level position. With about ten minutes on the clock, Kasparov erred. The match was broadcast live on the American cable television network ESPN and commentator Maurice Ashley said: "He just made a mistake, and the computer pounced." Kasparov was very downhearted afterwards: "You work hard for three hours, you get a very promising position, you make a blunder," he said after the game, "then you go home." X3D FRITZ - Kasparov,G (2830) [C66] X3D Match New York USA (2), 13.11.2003 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 [ Fritz has lost the endgame after 4.0-0 Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.Qxd8+ in previous games so plays 4.d3 The computer understands it has to advance on the queenside after the position is closed but the most potent break was pawn c4-c5.] 4...d6 5.c3 g6 6.0-0 Bg7 7.Nbd2 0-0 8.Re1 Re8 9.d4 Bd7 10.d5 Ne7 11.Bxd7 Nxd7 12.a4 h6 13.a5 a6 14.b4 f5 15.c4 Nf6 16.Bb2 Qd7 17.Rb1  17...g5 allowing the computer to strongpoint the e4 square which it does very well. 18.exf5 Qxf5 [ Since the computer was dithering perhaps Kasparov should have played 18...Rf8 and 19. ..Rf7 before pushing g5.] 19.Nf1! Qh7!? 20.N3d2 Nf5 21.Ne4 Nxe4 22.Rxe4 h5! 23.Qd3 Rf8 24.Rbe1 Rf7 25.R1e2 g4 26.Qb3?! Raf8 27.c5 Qg6 28.cxd6 cxd6?! 29.b5 axb5 30.Qxb5 Bh6 31.Qb6 Kh7 32.Qb4 Rg7?? [ 32...Rc8 taking the open file was fine for Black who has a solid position with chances to advance the kingside pawns with h5-h4 and g4-g3 later.] 33.Rxe5 
winning a pawn because of the pin along the b4-f8 diagonal. 33...dxe5 34.Qxf8 Nd4 35.Bxd4 exd4 36.Re8 Rg8 37.Qe7+ Rg7 38.Qd8 Rg8 39.Qd7+ 1-0 |
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