Author: John Merlino
Date: 08:59:34 12/10/02
Go up one level in this thread
On December 10, 2002 at 05:32:55, David Rasmussen wrote: >This was a game played between Chezzz and ArasanX on ICC: > >[Event "ICS Rated Standard match"] >[Site "chessclub.com"] >[Date "2002.12.10"] >[Round "-"] >[White "Chezzz"] >[Black "ArasanX"] >[Result "*"] >[WhiteElo "2492"] >[BlackElo "2464"] >[TimeControl "900"] > >1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be3 Nbd7 7. Nd2 c5 8. >dxc5 Nxc5 9. Be2 Ne8 10. Qc2 f5 11. Bxc5 dxc5 12. O-O Nd6 13. Bd3 Bd4 14. >Rae1 e5 15. Nf3 fxe4 16. Bxe4 Nxe4 17. Qxe4 Rf4 18. Qd5+ Qxd5 19. cxd5 b6 >20. Re3 Bxe3 21. fxe3 Rf5 22. Rf2 Kg7 23. e4 Rh5 24. h3 Ba6 25. g4 Rxh3 26. >Nxe5 Rg3+ 27. Kh2 Re3 28. Rf7+ Kg8 29. Kg2 Re1 30. d6 Bc4 31. Re7 Ba6 32. >d7 Rf1 33. Nd5 Bb5 34. a4 Rd8 >* > >ArasanX resigned here, I don't know why it doesn't say that in the pgn tags. > >Anyway, I think the programs disagreed wildly about the merit of whites 20. Re3. >As I am infinitely weaker than Chezzz, I didn't know what to think, but it >looked speculative to me, and Chezzz is not a very speculative program, it >doesn't have any speculatively large evaluations for any positional terms, that >aren't decisive. So what do other engines think here, and what do they think >about the move 20. Re3? > >[D]r1b3k1/p6p/1p4p1/2pPp3/3b1r2/2N2N2/PP3PPP/4RRK1 w - - 0 20 > >/David Chessmaster 9000, on a P3-733, never considers 20.Re3. It prefers Ne2 until 1:07, and then starts waffling between that move and Nxd4 -- while the eval gets slowly worse for White: Time Depth Score Positions Moves 0:00 1/5 0.25 8524 20.Ne2 Rf8 21.Nexd4 exd4 22.Re7 Bf5 0:00 1/6 0.19 25133 20.Ne2 Rf5 21.Nexd4 exd4 22.Re8+ Kf7 23.Rfe1 Rxd5 24.R1e7+ Kf6 25.Rxh7 0:01 1/7 -0.14 76170 20.Ne2 Rf8 21.Nexd4 exd4 22.Re7 Rd8 23.Ng5 Rxd5 24.Nxh7 0:02 1/8 -0.14 141696 20.Ne2 Rf8 21.Nexd4 exd4 22.Re7 Rd8 23.Ng5 Rxd5 24.Nxh7 0:04 1/9 -0.38 323986 20.Ne2 Rf8 21.Nexd4 exd4 22.Re7 Rd8 23.Ne5 Rxd5 24.Re8+ Kg7 25.Re7+ Kf6 0:12 2/10 -0.34 998133 20.Ne2 Rxf3 21.gxf3 Ba6 22.Nxd4 exd4 23.Re6 Bc4 24.Rfe1 Bxd5 25.Re8+ Rxe8 26.Rxe8+ Kf7 0:25 3/11 -0.37 2137385 20.Ne2 Rxf3 21.gxf3 Ba6 22.Nxd4 exd4 23.d6 Rd8 24.d7 Kf7 25.Re8 Rxe8 26.dxe8=Q+ Kxe8 0:50 4/12 -0.32 4478561 20.Ne2 Rxf3 21.Nxd4 exd4 22.gxf3 Bh3 23.d6 Rd8 24.d7 Rxd7 25.Re8+ Kf7 26.Rfe1 Bf5 1:07 4/12 -0.27 6256528 20.Nxd4 exd4 21.Nb5 Ba6 22.Nc7 Bxf1 23.Nxa8 Bc4 24.d6 Rf8 25.b3 Bxb3 26.axb3 Rxa8 2:17 5/13 -0.46 13596466 20.Nxd4 cxd4 21.Nb5 Ba6 22.Nc7 Bxf1 23.Nxa8 Bc4 24.d6 d3 25.d7 Rf8 26.Nc7 d2 27.Rd1 2:37 5/13 -0.32 15774834 20.Ne2 Rxf3 21.Nxd4 exd4 22.gxf3 Bh3 23.d6 Rd8 24.d7 Kf7 25.Re8 Rxd7 26.Rfe1 Bf5 5:59 6/14 -0.60 35940275 20.Ne2 Rxf3 21.Nxd4 exd4 22.gxf3 Bh3 23.Re5 Bxf1 24.Kxf1 Rd8 25.Ke2 c4 26.Kd2 h6 27.f4 Kf7 7:07 6/14 -0.53 43593267 20.Nxd4 cxd4 21.Ne2 Rf7 22.f4 Ba6 23.Rf2 Raf8 24.d6 h6 25.g3 g5 26.Rg2 Bb7 27.fxe5 Bxg2 28.Kxg2 According to The King, 20.Re3 is about a half-pawn worse: Time Depth Score Positions Moves 0:00 1/3 -1.19 848 20...Bxe3 21.fxe3 Rf5 22.Ne4 Ba6 0:00 1/4 -0.67 1547 20...Bxe3 21.fxe3 Rf5 22.g4 Rxf3 23.Rxf3 Bxg4 0:00 1/4 -1.18 2411 20...Ba6 21.Rd1 Bxe3 22.fxe3 Rb4 23.d6 0:00 1/5 -1.18 10302 20...Ba6 21.Rd1 Bxe3 22.fxe3 Rb4 23.d6 0:00 1/6 -0.89 23544 20...Ba6 21.Rd1 Bxe3 22.fxe3 Rb4 23.b3 Re8 24.d6 0:01 1/7 -0.75 81983 20...Ba6 21.Rfe1 Bxe3 22.Rxe3 Raf8 23.Rxe5 Rb4 24.b3 0:01 1/7 -1.16 98982 20...Bxe3 21.fxe3 Rf5 22.e4 Rh5 23.d6 Bd7 24.Nd5 Kg7 0:03 1/8 -0.98 231306 20...Bxe3 21.fxe3 Rf8 22.Rc1 Rf5 23.Ne4 Bb7 24.Nd6 Rxf3 25.gxf3 Bxd5 0:07 1/9 -1.02 632716 20...Bxe3 21.fxe3 Rf8 22.Rf2 Re8 23.Ne4 Kg7 24.Rd2 Bf5 25.Nd6 Re7 0:17 2/10 -0.99 1498549 20...Bxe3 21.fxe3 Rf5 22.Rf2 Kg7 23.Ne4 Bb7 24.Nd6 Rxf3 25.gxf3 Bxd5 0:44 3/11 -1.02 3883214 20...Bxe3 21.fxe3 Rf5 22.Rd1 Kg7 23.Ne4 Rf8 24.Nf2 Re8 25.Ne4 Bg4 26.d6 Rf8 1:44 4/12 -0.96 9599742 20...Bxe3 21.fxe3 Rf5 22.Rd1 Kg7 23.h3 Bd7 24.e4 Rh5 25.g4 Rxh3 26.Nxe5 Be8 27.d6 6:22 5/13 -1.08 34607623 20...Bxe3 21.fxe3 Rf5 22.h3 Kg7 23.e4 Rh5 24.Rf2 Bd7 25.g4 Rxh3 26.Nxe5 Be8 27.d6 jm
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