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Asunto:[ajedrezlapalma] 1ª partida Krámnik - Deep Fritz7
Fecha:Sabado, 5 de Octubre, 2002  19:50:05 (+0100)
Autor:Angel Jiménez <aarteaga>

Por gentileza de Chess Today:

Saludos cordiales,



DEEP FRITZ - Kramnik,V (2807) [C67]
Brains in
Bahrain Bahrain (1), 04.10.2002
[Maxim Notkin]

1.e4 e5 2.Cf3 Cc6 3.Ab5 Cf6

Again Kramnik plays the Berlin Wall which has brought him so many wins and draws, with the value of wins, against the strongest GMs and first of all Kasparov. 4.0-0 Cxe4 5.d4 Cd6 6.Axc6 dxc6 7.dxe5 Cf5 8.Dxd8+ Rxd8

It can be considered that this ending is difficult for a computer to understand. There are no long calculations, only positional play. The pawn structure favours White as he has an extra pawn on the kingside while on the queens flank Black's majority is depreciated. But White has to be very careful while realizing this advantage because Black's bishops may become very strong in the case of incautious pawn advances. 9.Cc3 h6 10.b3 Re8 11.Ab2 Ae7 [ Another plan frequently played by Kramnik is 11...Ce7 followed by Ng6 and then Nf4-e6 developing the light-squared bishop on the a8-h1 diagonal while the dark-squared bishop sometimes feels alright in his initial position.] 12.Tad1 a5!?

A novelty for this position, but of course a well-known idea in general. White needs to more his knight on from c3 to develop an initiative and Black prepares a5-a4 opening the file for the rook. The natural response 13.a4 weakens White's pawn chain on the queenside. 13...h5 This move guards the knight from g2-g4. The weakening of the g5-square is not as important as the loss of a tempo. 14.Ce2

[ More flexible than 14.Ce4 Now the knight can choose between d4 and f4] 14...Ae6 15.c4 An interesting idea. White prevents ...Bd5 radically but in the future the b3 pawn's weakness may become a deciding factor. [ The common continuation in this kind of position is 15.Cf4 ] 15...Td8 16.h3 b6 The opponents were biding their time. Now Fritz "sees" the c6 pawn weakened by Kramnik and decides the route of his knight. 17.Cfd4 Cxd4 [ Bad is 17...Ad7? 18.e6!] 18.Cxd4 c5 19.Cxe6 [ 19.Cb5 Txd1 20.Txd1 Ad8 doesn't give much.] 19...fxe6 20.Txd8+ Rxd8 21.Ac1 Rc8 White can't let the adversary take the open file. 22.Td1 Td8 23.Txd8+ Rxd8

The bishop ending requires precise play from Black but very soon Fritz transposes the game into a dead drawn pawn ending. 24.g4 g6 [ Bad is 24...hxg4 25.hxg4 g5 because it makes the h3 square available for the White's king. Let's look how it works: 26.f4 gxf4 27.Axf4 Re8 28.Rg2 Rf7 29.Rh3 Rg6 30.Ag3 Af8 ( 30...Ag5 31.Ah4 Af4 32.Af6) 31.Ah4 Ag7 32.Af6! Axf6 33.exf6 Rxf6 34.Rg3 Rg5 35.Rf3 and despite the extra pawn the ending is lost for Black e.g. 35...e5 36.Re4 Rxg4 37.Rxe5 Rf3 38.Rd5 Re3 39.Rc6 Rd4 40.Rxc7 Rc3 41.Rxb6 Rxb3 42.Rb5!] 25.h4?

[ Of course 25.Rg2 preserved some winning chances. White's idea is simple - to centralize the king and to play f4-f5 making use of his kingside majority. To save the game Black needs to activate his bishop at the proper time. The following continuation is possible: 25...Re8 26.Rf3 Rf7 27.Re4 hxg4 28.hxg4 Ah4! ( otherwise it will be too late e.g. 28...Ad8 29.f4 Ae7 30.f5 Ah4 31.Ah6! gxf5+ 32.gxf5 followed by Kf4 and Bg5-d8) 29.f4 Ae1 30.f5 gxf5+ 31.gxf5 Re7 32.Ag5+ Rd7! 33.Rf4 Ac3 and White is unable to convert his advantage into a win.] 25...hxg4 [ The trap consists in 25...Axh4 26.g5 and the bishop has no where to go. But in fact Black can fall into it. After 26...Axf2+! 27.Rxf2 Black's king goes to b7 and even b3-b4 doesn't destroy this fortress.] 26.Ag5 Axg5 27.hxg5 Re8 28.Rg2

No place to pass through. Draw agreed. 1/2-1/2


[Adjunto no mostrado: rimera.cbv (application/octet-stream) ]