Author: Frank Quisinsky
Date: 16:09:50 08/31/99
Hello Robert, Result: ~~~~~~~ Time from Zarkov (WinBoard debug file) The game Zarkov - Crafty See post from yesterday, PGN and log file from Crafty ! AMD K6-3 450 MHz, WinBoard 4.0.3, Ponder = OFF, Crafty 24/8 MB Hash, Zarkov 8 MB Hash 40 moves in 40 minutes ! Game from WT-5 tournament ! I replay the game (Crafty with ponder = on) 40 moves in 40 minutes ! off on off on 01. e4 Book c5 c5 Book Book 02. Nf3 Book e6 e6 Book Book 03. d4 Book cxd4 cxd4 Book Book 04. Nxd4 Book a6 a6 Book Book 05. c4 Book Nf6 Nf6 Book Book 06. Nc3 Book Bb4 Bb4 Book Book 07. Bd3 Book Qc7 Qc7 Book Book --------------------------------------------- not interesting ! --------------------------------------------- 08. Bg5 1:18 Nxe4 Nxe4 1:13 1:13 09. Bxe4 1:20 Qe5 Qe5 1:13 0:00 10. Qg4 1:40 Qxd4 Qxd4 1:13 1:15 11. O-O 1:10 Bxc3 Bxc3 1:12 1:15 12. bxc3 0:23 Qxc3 Qxc3 1:13 0:5186 13. Rac1 1:19 Qa3 Qa3 1:12 1:19 14. Bd2 1:18 O-O O-O 1:12 1:15 15. Rc3 2:36 Qe7 Qe7 1:24 0:00 16. Bg5 1:14 f6 f6 7:12 6:36 17. Rh3 1:14 g6 g6 1:54 2:08 18. Bxg6 1:13 fxg5 fxg5 0:5476 0:00 19. Bxh7+ 1:13 Kh8 Qxh7 5:24 0:0267 20. Qh5 1:05 Qg7 Qg7 1:23 1:10 21. Bc2+ 1:12 Kg8 Kg8 0:1334 1:08 22. Rg3 0:58 Nc6 Nc6 0:1369 0:1009 23. Rxg5 1:11 Rf7 Rf7 1:02 1:35 24. f4 1:11 Kf8 Kf8 1:45 4:45 25. Rxg7 1:10 Kxg7 Rxg7 0:2638 0:00 26. Bg6 1:09 Rf5 Rf5 1:16 0:5681 ----------------------------------------------- not interesting ! ----------------------------------------------- 27. Bxf5 1:05 Kf8 0:1815 28. Rd1 1:01 Ke7 1:13 Mate 8 29. Qg5+ Mate 6 Kf7 0:1195 30. Bg6+ Kg8 0:1193 31. Qf6 Nd8 0:1293 32. Rd3 Ra7 0:1368 33. Rh3 Nc6 0:1449 34. Rh8# Result: 2 other moves ! With Ponder play Crafty move 19 in 0:0257 (bad time controling with ponder) And without ponder Crafty play this move 19 in 5:24 !!! This is an good example for my opinion ! Pros and Cons for Ponder and for not Ponder ! The other move is move 25 ! OK not relevant for this match ! In the analyses for move 19 you can see that crafty will play Kh8 (more than 10 sec.) !! Of course not enough analyses, but I make this analyses with many programs and I can not see that ponder is 50-100 ELO ! Not more than 20-40 ELO (ponder = off) and 10 ELO for an other time manangment ! Time managment ... Good example move 16 and 17 ! I see not problems in the Crafty time managment without ponder !! In move 24 use Crafty more time with ponder and play the identical move ! I mean that Crafty play in this game better without ponder, because move 19 play Crafty in an bad time for an move with ponder = on ! I think that I have in an eng-eng game 5 other moves with ponder on. But this 5 moves which the engines play without ponder must not been bad ! Kind regards Frank
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