Author: Uri Blass
Date: 15:52:10 04/14/03
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On April 14, 2003 at 15:15:48, Ulf Flörsheimer wrote: >In a game between Shredder 7.04 and Chess Tiger 15 (ChessBase, style normal), 25 >minutes per game, no pondering, P4-2400, both 96 MB-Hashtables Chess Tiger made >a big tactical mistake: > >[Event "Wettkampf P4-2400, Blitz:25'"] >[Site "?"] >[Date "2003.04.14"] >[Round "12"] >[White "Chess Tiger 15.0"] >[Black "Shredder 7.04"] >[Result "0-1"] >[ECO "A80"] >[PlyCount "52"] > >1. d4 f5 2. Nc3 d5 3. Bg5 Nf6 4. e3 e6 5. Nf3 Be7 6. Bd3 c5 7. dxc5 O-O 8. a3 >Ne4 9. Bxe4 fxe4 10. Bxe7 Qxe7 11. Nd4 Nc6 12. Nb3 Qg5 13. O-O Ne5 14. Qe2 Nf3+ >15. Kh1 Rf6 16. gxf3 exf3 17. Rg1 Qh5 18. Rg5 Qxg5 19. Qf1 Qh5 20. Nd2 Rh6 21. >Qg1 Rg6 22. Qf1 e5 23. Nxd5 Rg2 24. Nxf3 Bh3 25. Qd1 Rxf2 26. e4 Rf8 0-1 > >Have a look on Tigers move 14. Qe2?? (eval.: -0.12 at depth 13, expecting Bd7): >Tiger has absolutely no idea of the further Nf3+!! which ends the game. > >It takes Tiger more than 3 minutes to evaluate Qe2 with -0.62 (at depth 15), >expecting Nf3+, where -0.62 is still a very optimistic. And it takes nearly 7 >minutes to find a slightly better move (Nb5, -0,44). Tiger is not so bad. I think that 14...Nf3+ and 15...Rf6 are impressive moves of shredder. I need to improve my search rules to teach movei to find them in blitz 25. Uri
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