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Subject: Re: Chess computers found the better line over Kramnik move 24. Bxa6!!

Author: Sune Larsson

Date: 04:38:30 07/23/01

Go up one level in this thread


On July 23, 2001 at 06:58:15, Mark Young wrote:

>On July 23, 2001 at 06:38:16, Sune Larsson wrote:
>
>>
>  7r/1b2kppp/pq2pn2/4N3/Pp1r4/3B3P/1P3PP1/2RRQ1K1 w - - 0 24
>>
>>     Kramnik,V - Kasparov,G, Zuerich 2001
>>
>>
>>  This was really an extraordinary game! I followed it on line (a rapid
>>  tournament to celebrate Korchnoi's birthday), and remember the big
>>  surprise when Kramnik played the pawn sac 18.e4!!?. Where was his
>>  compensation? Transfer error or what? Then, after some moves, the above
>>  position arouse. Like a bolt from the blue came 24.Bxa6!!
>
>24.Bxa6
>
>Computers play Nc4 here; "simpler and more prosaic way to obtain the advantage
>namely 24. Nc4"


  Thanks for these comments by Kramnik. I also notice that you translate
  "simpler and more prosaic way" to "better line" ?!



>
>---------------
>Comment by GM Kramnik
>
>Basically, this combination is correct because White is better in all lines.
>However, there was a simpler and more prosaic way to obtain advantage, namely
>24.Nc4. Black has to give up an exchange, because 24...Qc5 fails to 25.Ne3,
>followed by Ne3-f5+. After 24...Rxc4 25.Rxc4 a5 the position is technically
>winning for White, but I was already aimed at the following combination and
>discarded other options.
>
>----------------
>
>
>
>>
>>  Now, this move gives white 1) One pawn for the bishop  2) Two joined
>>  passers on the queenside 3) A position where black's pieces are tied up.
>>
>>  Tactics yes, but much more than that. It's about evaluating the coming
>>  position, with a piece down for white. Also notice the small, but beautiful,
>>  moves 30.f3! and 31.b3!, further restricting the scope of the black bishop
>>  to almost nothing.
>>
>>
>>  Test: If Kramnik is in the mood, this is what Deep Fritz might face, so...;)
>>        The whole game below.
>>
>>
>>[Event "Korchnoi Birthday KO, Zurich SUI"]
>>[Site "?"]
>>[Date "2001.??.??"]
>>[Round "?"]
>>[White "Kramnik, V."]
>>[Black "Kasparov, G."]
>>[Result "1-0"]
>>[ECO "D48"]
>>[WhiteElo "2795"]
>>[BlackElo "2825"]
>>[PlyCount "71"]
>>[EventDate "2001.??.??"]
>>
>>1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bd3 c5 8. a4 b4
>>9. Ne4 Nbd7 10. Nxf6+ Nxf6 11. O-O Bb7 12. dxc5 Bxc5 13. Qe2 Qd5 14. Rd1 Qh5
>>15. h3 Rd8 16. Nd4 Qd5 17. Nf3 Ke7 18. e4 $5 Nxe4 19. Be3 Bxe3 20. Qxe3 Qc5 21.
>>Qe1 Nf6 22. Rac1 Qb6 23. Ne5 Rd4 24. Bxa6 $3 Rxd1 25. Rxd1 Bxa6 26. Qxb4+ Qxb4
>>27. Nc6+ Kf8 28. Rd8+ Ne8 29. Nxb4 Be2 30. f3 $1 h5 31. b3 $1 Rh6 32. Kf2 Rg6
>>33. Kxe2 Rxg2+ 34. Kd3 Rg3 35. a5 Rxf3+ 36. Kc4 1-0
>>
>>
>>Sune



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