Author: Pete Galati
Date: 14:46:12 03/15/00
Go up one level in this thread
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 This is Crafty's opinion of the score after TCB's search: note: scores are for the white side material evaluation................. 0.00 development......................... 0.00 pawn evaluation..................... 0.10 passed pawn evaluation.............. 0.00 passed pawn race evaluation......... 0.00 king safety evaluation.............. -0.30 interactive piece evaluation........ -0.20 total evaluation.................... -0.40 >>>>>>>>then this is TCB thinking: WinBoard 4.0.7 + TCB StartChildProcess (dir="d:\TCBelvis") TCB tcbxinit.cui [snip] 23610 >first : . 32950 >first : analyze 33170 <first : 3. 6 16 1590 Qxa8 Qxg2 Qa7 33340 <first : 4. 3 33 6646 Qxa8 Qxg2 Rhe1 Bd7 33780 <first : 5. 1 71 20362 Qxa8 Qxg2 Rcg1 Qc6 Rc1 35200 <first : 6. 20 214 75429 Qxa8 Bd7 Qa7 Qxd4 b3 Qb2+ 40090 <first : 7. 8 708 284207 Qxa8 Qxd4 Rxc8 Qxb2+ Kf3 Qf6+ Ke3 Bc5+ Kd2 Qxf2+ 49050 <first : 8. -16 1604 661571 Qxa8 Bd7 Qa7 Qxd4 Qxb7 Bc5 Rhf1 Qxb2+ 67720 <first : 9. -2 3471 1402887 Qxa8 Bd7 Qa7 Qxd4 Rhd1 Qxb2+ Kf1 Bb5 Rc7 Rd8 128080 <first : 10. -9 9507 3856892 Qxa8 Bd7 Qa7 Qxg2 Rhg1 Qd5 Ke3 Bc6 Rg3 Rd8 260950 <first : 11. -22 22788 8889578 Qxa8 Bd7 Qa7 Qxg2 Rhg1 Qd5 Qxb6 Bc6 Bc4 Qh5+ 705400 <first : 12. -27 67234 26492245 Qxa8 Bd7 Qa7 Qxg2 Rhg1 Qd5 Qxb6 Bc6 Bc4 Qh5+ Kf1 Qxh2 Qa7 3796060 <first : 13. -84 376305 150599838 Qxa8 Bd7 Qa7 Bb5 Bxb5 Qxb5+ Ke3 e5 g3 Bg5+ f4 exf4+ Kf3 fxg3 Rcd1 gxh2 Rxh2 4704310 >first : exit 4704310 >first : force 4705350 >first : quit
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.