Author: Jeremiah Penery
Date: 21:55:07 04/05/00
Go up one level in this thread
On April 05, 2000 at 21:26:50, Mark Ryan wrote: >On April 05, 2000 at 16:03:55, Dann Corbit wrote: > >>On April 05, 2000 at 12:59:30, Mark Ryan wrote: >> >>>Leko (2670) - Beliavsky (2690), Madrid 1998 >>> >>>[D]3q1kr1/3n1p2/2p3p1/p2pPB2/3P4/2P1K1Q1/Pr3P2/6RR b - - >>> >>>Leko: "Thanks to my good structure and the light-squared bishop my king is safe >>>in the centre, whereas the black king has nowhere to go." Beliavsky played >>>29...Nb6, after which Leko says White has "the upper hand". However, after 5 >>>minutes of analysis each, before and after 29...Nb6, the position is evaluated >>>as equal by my aging programs, Fritz 5.32, Comet B02, Doctor 3.0, and Crafty >>>16.6 (I really should upgrade these old war horses); Hiarcs 7.32 gives White a >>>slight advantage. [Leko won the game six moves later.] >> >>CAP record: >>3q1kr1/3n1p2/2p3p1/p2pPB2/3P4/2P1K1Q1/Pr3P2/6RR b - - acd 12; acn 129329667; acs >>1000; ce -25; pv Nb6 Bd3 Rxa2 Rh7 Qe7 Rb1 Nd7 Rb7 c5 Bb5 cxd4+ cxd4 Qa3+ Bd3; >> >>Here is the game in question: >> >>[Event "7th Torneo Magistral"] >>[Site "Madrid"] >>[Date "1998-??-??"] >>[Round "6"] >>[White "P. Leko"] >>[Black "A. Beliavsky"] >>[Result "1-0"] >>[ECO "B08"] >>[Opening "Pirc"] >>[Variation "classical (two knights) system"] >> >>1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 c6 6. Qd2 b5 7. Bd3 Bg4 8. >>e5 b4 9. Ne4 Nxe4 10. Bxe4 d5 11. Bd3 Bxf3 12. gxf3 a5 13. h4 Nd7 14. h5 >>Qb6 15. c4 bxc3 16. bxc3 e6 17. Rb1 Qc7 18. Bh6 Bf8 19. Bg5 Rg8 20. hxg6 >>hxg6 21. Ke2 Be7 22. Bxe7 Kxe7 23. Qg5+ Ke8 24. f4 Qd8 25. Qg3 Kf8 26. Rbg1 >>Rb8 27. f5 Rb2+ 28. Ke3 exf5 29. Bxf5 Nb6 30. Bd3 Nc4+ 31. Bxc4 dxc4 32. >>Qf4 Qe7 33. Rb1 Qa3 34. Kf3 g5 35. Qc1 1-0 >> >> >>I think 33. Rb1 is the master stroke. From there forward it is curtains. > >Hi: Sorry to ask, Dann, but in a nutshell ... > 1. What is the Chess Analysis Project?; I'll have to let Dann answer this better. It's sort of a concerted effort to build the "ultimate computer chess opening book" or something. > 2. How do I read "acd 12; acn 129329667; acs 1000; ce -25"? acd = Actual Count of Depth (or something close). Depth to which the position was searched. acn = Actual Count of Nodes. The number of nodes the program searched. acs = Actual Count of Seconds. Number of seconds the search lasted. ce = Centipawn Evaluation. In other words, the score given by the program.
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