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Subject: Re: Corus Chess today - Topalov vs. Anand Testposition !

Author: Terry McCracken

Date: 16:36:18 01/28/06

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On January 28, 2006 at 10:15:23, chandler yergin wrote:

>On January 28, 2006 at 08:54:23, Eduard Nemeth wrote:
>
>>[Event "Corus Chess 2006"]
>>[Site "Wijk aan Zee"]
>>[Date "2006.01.28"]
>>[Round "12"]
>>[White "Topalov"]
>>[Black "Anand"]
>>[Result "1/2-1/2"]
>>[Annotator "?"]
>>[PlyCount "45"]
>>[EventDate "2006.??.??"]
>>
>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3
>>O-O 9. d4 Bb6 10. axb5 axb5 11. dxe5 Ng4 12. Na3 Ncxe5 13. h3 d6 14. Qe2 Nxf3+
>>15. Qxf3 Ne5 16. Qg3 Be6 17. Bxe6 fxe6 18. Nxb5 Rxf2 19. Rxf2 Bxf2+ 20. Qxf2
>>Rxb5 21. Qe2 Rb8 22. Bf4 Qf6 23. Rf1 1/2-1/2
>>
>>
>>Topalov - Anand, Corus Chess 2006:
>>
>>[D]1rbq1rk1/2pp1ppp/1b6/1p2n3/4P1n1/NBP2N1P/1P3PP1/R1BQ1RK1 b - - 0 1
>>
>>Anand (as black!) played here very and strong fantastic move 13...d6!?
>
>It loses by Analysis

By Fritz 5.32? Why not use a better engine and your head? I mean you were an
USCF Expert Chan. There is no question that analysis has shown a draw after
13..d6 14.hg..Bxg4= . I won't go into it as other members have shown some
reasonable analysis. Anand had either done his homework, or just saw it OTB,
which he is quite capable of doing.
>>
>>Which program can it finds?
>>
>>Or are such moves a other dimension "over" computers?
>
>New game
>[D]1rbq1rk1/2pp1ppp/1b6/1p2n3/4P1n1/NBP2N1P/1P3PP1/R1BQ1RK1 b - - 0 1
>
>Analysis by Fritz 5.32:
>
>1. ² (0.44): 1...Nxf3+ 2.Qxf3 Ne5 3.Qg3 d6 4.Bg5 Qd7 5.Bf6 Ng6 6.Bd4
>2. ² (0.62): 1...Nxf2 2.Rxf2 Bxf2+ 3.Kxf2 Nxf3 4.Qxf3 b4 5.cxb4 Qh4+ 6.Kf1
>3. ² (0.62): 1...Bxf2+ 2.Rxf2 Nxf2 3.Kxf2
>4. ² (0.62): 1...b4 2.cxb4 Nxf2 3.Rxf2 Bxf2+
>5. +- (1.44): 1...d6 2.hxg4 Bxg4 3.Bf4 Bxf3 4.gxf3 Qf6 5.Bxe5 dxe5 6.Nxb5
>6. +- (1.97): 1...d5 2.hxg4 Bxg4 3.Qxd5 Nxf3+ 4.gxf3 Bxf3 5.Qf5 Be2 6.Bg5
>
>(Yergin, MyTown 28.01.2006)

BTW Fritz5.32 gives a much better score for Black than this after you force the
moves 13..d6 14.gxf4..Bxg4. Albiet this is shallow analysis.


Analysis by Fritz 5.32:

1. ± (0.75): 15.Nc2 Bxf3 16.gxf3 Qf6 17.Ne1 Qg6+ 18.Kh2 Qh5+ 19.Kg3 Qg6+
2. = (0.00): 15.Bd5 Nxf3+ 16.gxf3 Qh4 17.fxg4 Qg3+ 18.Kh1 Qh3+ 19.Kg1 Qg3+

(McCracken, none 28.01.2006)


Or Shredder 8...

Analysis by Shredder 8:

1. ² (0.27): 15.Nc2 Bxf3 16.gxf3 Qf6 17.Ne1 Qg6+ 18.Kh2 Qh5+ 19.Kg3 Qg6+ 20.Kh4
Rfe8 21.Bf4 Qf6+ 22.Kg3 b4 23.Qd2 bxc3 24.Qc2
2. = (-0.06): 15.Bd5 c6 16.Bb3 Nxf3+ 17.gxf3 Bh3 18.Bf4 Bxf1 19.Kxf1 Qh4 20.Bg3
Qh3+ 21.Ke1 Qh1+ 22.Kd2 Qh6+ 23.Kc2 Qd2+ 24.Kxd2 Be3+ 25.Kxe3

(McCracken, none 28.01.2006)

Regardless, White isn't winning and that is the point of 12..d6!, to equalize.

12..b4 may be a good try as well? Anyway, your remark, "It loses by analysis."
is incorrect, unless you believe the output you provided is best. It's not the
best IMO.

Terry



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