Author: Mike Byrne
Date: 21:03:14 03/14/03
Go up one level in this thread
...reminds me of a game I had this week Playing Pocket Fritz 1 on the train one evening on the way home (the game is not great --I'm not that strong) [Event "Blitz:5'"] [Site "Secane, PA"] [Date "2003.03.10"] [Round "?"] [White "MFB"] [Black "Pocket Fritz"] [Result "1-0"] 1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 e6 5. Nf3 Be7 6. O-O O-O 7. Nbd2 Nc6 8. a3 Bd7 9. Ne5 c4 10. Bc2 Bd6 11. f4 a6 12. Ndf3 Ne7 13. h3 Nf5 14. Qe1 b5 15. g4 Ne7 16. Qg3 Ne4 17. Qg2 Qc7 18. h4 Nc6 19. Ng5 Nxg5 20. hxg5 Ne7 21. Rf3 a5 22. Rh3 Ng6 23. Bd2 Bc6 24. Rf1 Bxe5 25. fxe5 Qe7 26. Rf6 gxf6 27. gxf6 1-0 [d]r4rk1/4qppp/2b1pRn1/pp1pP1P1/2pP2P1/P1P1P2R/1PBB2Q1/6K1 b - - 0 1 I was playing short tc with no pondering, PF1 had no time to see gf6 was bad. For PC programs, gxf6 is seen very quickly as bad. Analysis by Sjeng 12.13: 26...gxf6 27.gxf6 Qc7 -+ (-4.95) Depth: 2 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qf2 -+ (-4.89) Depth: 3 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qf2 -+ (-4.89) Depth: 3 00:00:00 26...gxf6 -+ (-4.39) Depth: 4/11 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.Bxg6 fxg6 30.gxh5 -+ (-3.47) Depth: 4/11 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.Bxg6 fxg6 30.gxh5 -+ (-3.47) Depth: 4/11 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.Bxg6 fxg6 30.gxh5 -+ (-3.47) Depth: 5/14 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.Bxg6 fxg6 30.gxh5 -+ (-3.47) Depth: 5/17 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 b4 29.Rxh7 bxa3 30.bxa3 -+ (-3.20) Depth: 6/17 00:00:00 61kN 26...gxf6 27.gxf6 Qc7 28.Qh1 b4 29.Rxh7 bxa3 30.bxa3 -+ (-3.20) Depth: 6/19 00:00:00 89kN 26...gxf6 -+ (-2.70) Depth: 7/19 00:00:00 137kN 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.gxh5 Nxe5 30.Qg2+ Kh8 31.dxe5 Qxe5 -+ (-2.53) Depth: 7/21 00:00:00 294kN 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.gxh5 Nxe5 30.Qg2+ Kh8 31.dxe5 Qxe5 -+ (-2.53) Depth: 7/21 00:00:01 340kN 26...gxf6 -+ (-2.03) Depth: 8/21 00:00:01 460kN 26...gxf6 27.gxf6 Rfe8 28.fxe7 Rxe7 29.Qh1 Kf8 30.Rxh7 Ke8 31.Qh5 Nf8 +- (7.45) Depth: 8/26 00:00:06 2676kN 26...Qc7 27.Qh1 gxf6 28.gxf6 ² (0.51) Depth: 8/28 00:00:08 3286kN 26...b4 27.Bxg6 fxg6 28.Rxf8+ Rxf8 29.cxb4 a4 30.Qh1 Qxg5 31.Rxh7 Qxg4+ = (0.19) Depth: 8/28 00:00:14 5518kN 26...Rfe8 27.Qh1 h6 28.Bxg6 fxg6 29.Rxh6 gxh6 30.Rxg6+ Kf7 31.Rf6+ Kg8 32.Rg6+ Kf7 33.Qxh6 Qd7 = (0.00) Depth: 8/29 00:00:15 6280kN 26...Rfb8 27.Rff3 Qxg5 28.Rh5 Qe7 29.Rfh3 h6 30.b4 axb4 31.axb4 = (-0.25) Depth: 8/29 00:00:18 7646kN 26...Rfd8 27.Rxh7 Kxh7 28.Qh3+ Kg8 29.Rxg6 Qb7 30.Rxg7+ Kf8 31.Qh7 Ke8 32.Qg8+ Kd7 33.Qxf7+ ³ (-0.29) Depth: 8/29 00:00:20 8445kN 26...Rfc8 27.Bxg6 fxg6 28.Rf4 Rf8 29.Qh1 Qxg5 30.Rxh7 Rxf4 ³ (-0.32) Depth: 8/29 00:00:22 9371kN 26...Rfc8 27.Bxg6 fxg6 28.Rf4 Rf8 29.Qh1 Qxg5 30.Rxh7 Rxf4 ³ (-0.32) Depth: 8/29 00:00:23 9872kN 26...Rfc8 = (0.18) Depth: 9/29 00:00:25 10572kN Analysis by Deep Sjeng 1.0: 26...gxf6 27.gxf6 Qc7 28.Qe2 -+ (-4.80) Depth: 3/9 00:00:00 26...gxf6 -+ (-4.30) Depth: 4/11 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.gxh5 -+ (-4.06) Depth: 4/15 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.gxh5 -+ (-4.06) Depth: 5/15 00:00:00 26...gxf6 27.gxf6 Qc7 28.Qh1 h5 29.gxh5 Nh8 -+ (-3.86) Depth: 6/15 00:00:00 31kN 26...gxf6 -+ (-3.36) Depth: 7/17 00:00:00 86kN 26...gxf6 27.gxf6 Qe8 28.Qh1 h6 29.Bxg6 fxg6 30.Rxh6 Qd8 31.Rxg6+ Kf7 32.Rg7+ Ke8 -+ (-2.43) Depth: 7/19 00:00:00 174kN 26...gxf6 -+ (-1.93) Depth: 8/24 00:00:01 307kN 26...gxf6 27.gxf6 Qd8 28.Qh1 h6 29.Bxg6 fxg6 30.Rxh6 Kf7 31.Rh7+ Ke8 32.Re7+ Qxe7 33.fxe7 Kxe7 ³ (-0.53) Depth: 8/25 00:00:02 661kN 26...Rfd8 27.Rf1 Qxg5 28.e4 Qe7 29.exd5 Bxd5 30.Qh2 h6 31.Qf2 ³ (-0.54) Depth: 8/26 00:00:04 1420kN 26...Rfd8 27.Rf1 Ra7 28.e4 dxe4 29.Bxe4 Bxe4 30.Qxe4 Rad7 31.Rhf3 a4 32.R3f2 Rd5 = (-0.24) Depth: 9/29 00:00:07 2501kN 26...Rfb8 27.Rf2 Qxg5 28.e4 Qe7 29.exd5 Bxd5 30.Qh2 h6 31.Qg3 ³ (-0.49) Depth: 9/31 00:00:15 5468kN 26...Rfb8 = (0.01) Depth: 10/31 00:00:16 5775kN 26...Rfd8 27.Rf1 Rf8 = (0.00) Depth: 10/31 00:00:18 6724kN A weaker program like BamBam may takeup to 90 seconds even on a P4 1.7 Ghz ..PF 1 takes over 2 minutes... Analysis by BamBam: 26...gxf6 27.gxf6 -+ (-3.50) Depth: 2 00:00:00 26...gxf6 27.gxf6 -+ (-3.50) Depth: 3 00:00:00 26...gxf6 27.gxf6 Qd7 -+ (-3.50) Depth: 3 00:00:00 26...gxf6 27.gxf6 Qd7 28.Qh2 -+ (-2.86) Depth: 4 00:00:00 17kN 26...gxf6 27.gxf6 Qd7 28.Qh2 h6 µ (-1.20) Depth: 5 00:00:00 157kN 26...b4 27.Bxg6 hxg6 28.Rf4 bxc3 µ (-1.21) Depth: 5 00:00:00 245kN 26...b4 27.Bxg6 fxg6 28.Rxf8+ Qxf8 29.cxb4 axb4 30.Bxb4 Qf7 ³ (-0.35) Depth: 6 00:00:01 939kN 26...gxf6 27.gxf6 Qd7 28.Qh2 h6 29.Rxh6 µ (-1.20) Depth: 6 00:00:02 1095kN 26...gxf6 27.gxf6 Qd8 28.Qh2 Re8 29.Rxh7 Kf8 -+ (-1.95) Depth: 7 00:00:06 3477kN 26...gxf6 27.gxf6 Qc7 28.Rxh7 Rfd8 29.Qh2 Nh4 30.Qxh4 +- (2.26) Depth: 8 00:00:24 14068kN 26...b4 27.Qh2 gxf6 28.Rxh7 Nh4 29.Rxh4 Kg7 30.cxb4 = (0.14) Depth: 8 00:01:26 49848kN (Byrne, Secane, PA 14.03.2003)
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