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Subject: Re: Ok, TCB saw your annotation

Author: Robin Smith

Date: 11:08:34 03/16/00

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On March 15, 2000 at 17:46:12, Pete Galati wrote:

>On March 15, 2000 at 14:17:59, Robin Smith wrote:
>
>>In the 13th US correspondence chess championship finals I played a move that my
>>computer NEVER finds.  Do any programs find 17.... Qd5!
>>
>>This move prevents white from playing Be4 (which would put presure on b7 and
>>support a possible d pawn push), it frees d8 for blacks rook and it keeps the
>>queen eyeing d5, restraining whites isolated d-pawn.  I believe it is the
>>strongest move in the position, but when I reviewed the game with my computer it
>>never finds it even after a very long "think" because of the exchange sac
>>involved.
>>
>>I was also surprised by the odd appearance of some of my opponents moves.  Is
>>there a computer program that wants to play these moves, in particular moves
>>13-16?  (I am NOT accusing my opponent of cheating, computers are not
>>dissallowed in ICCF sponsored events).
>>
>>Here is the game:
>>
>>[Event "US13F"]
>>[Site "?"]
>>[Date "????.??.??"]
>>[Round "?"]
>>[White "Bacon, Joe"]
>>[Black "Smith, Robin"]
>>[Result "0-1"]
>>[ECO "B22"]
>>[Annotator "Smith"]
>>[PlyCount "38"]
>>
>>1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Qd8 7. Nc2 Nc6 8. Bf4
>>Qb6 9. Ne5 cxd4 10. Nc4 Qd8 11. cxd4 Nd5 12. Bd2 Be7 13. Bd3 Ndb4 14. Bxb4 Nxb4
>>15. Nxb4 Bxb4+ 16. Ke2 O-O 17. Rc1 Qd5! 18. Qa4 Be7 19. Nb6 axb6 0-1
>>
>>the "if moves" 20. Qxa8 Bd7 21. Qa7 Bb5 persuaded white to resign, his exposed
>>king and out of play queen leave white no hope.
>>
>>Robin Smith
>>11th US correspondence chess champion
>
>I don't think TCB was going to search any deeper on my computer, but it's last
>search was your annotation & then some moves. 20. Qxa8 Bd7 21. Qa7 Bb5 22. Bxb5
>Qxb5+ 23. Ke3 e5 24. g3 Bg5+ 25. f4 exf4+ 26. Kf3 fxg3 27. Rcd1 gxh2 28. Rxh2

After 26.Kf3 black can force a mate in 6 or 7, starting with Qd3+.

The analysis above is pretty forced up through move 23.  At move 24 white has
many options, but all of them lose.

Robin



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