Author: Paulo Soares
Date: 05:42:18 03/17/00
Go up one level in this thread
On March 16, 2000 at 14:24:17, Robin Smith wrote: >On March 16, 2000 at 02:33:41, Paulo Soares 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 >> >>During the game did you analyze 17... b5? I think that is a strong move, because >>the bishop will have the points b7 or a6 for an attack to the unprotected >>white's king. I analized many lines and black seemed ok, altought it's complex. >>Many programs like this move in few time, after some time they >>choose for another move. > >I looked at 17. ...b5. It is a good move, but I don't think it is as strong as >what I played. At move 17 I think white should be lost. The exposed king and >weak d pawn, and blacks two bishops give black enough advantages that I think >(s)he should win. And I think 17....Qd5 is the most positionally justified >approach. > >> >>For white I think that 18. a3!? Be7 19. Ne3 >>it seems to be better than 18. Qa4?! > >Black's bishop will be going to e7 and f6 eventually anyway, to presure the >d-pawn, so 18.a3 is not a big upset to black. On the plus side, it does help >white with what to do about the problem k-rook, which would like to go to e1. >The immediate 18.Ne3 may be better. In any case, I think black has a winning >position against any of whites possible 18th moves. >> >>Paulo Soares, from Brazil > >Robin Smith I prefer 17 ...b5 for being more aggressive, placing the queen's bishop immediately in action against the not well positioned white king, but I admit that I would only play 17 ...b5 if I could use a program to help me, therefore the variants are very complex. I think you are right relationship 18. a3. Good luck for you in the other games! Paulo
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