Author: blass uri
Date: 13:21:46 06/07/00
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On June 07, 2000 at 06:06:40, Enrique Irazoqui wrote: >Fritz 6b takes 18' 26'' on a P600E with 184MB hash to pick 1.h6, but it doesn't >see the winning line yet after one hour of being stuck at ply 20/43, eval -0.12. >How long does it take for other programs to play h6 with a winning evaluation? > >Enrique > >[Event ""] >[Site "?"] >[Date "1895.??.??"] >[Round "?"] >[White "Troitzky, A."] >[Black "?"] >[Result "1-0"] >[SetUp "1"] >[FEN "8/1k4p1/3pP3/pP5P/8/8/1r5P/3K4 w - - 0 1"] >[PlyCount "31"] >[EventDate "1895.??.??"] > >1. h6 $1 gxh6 2. e7 Rb1+ 3. Kd2 Rb2+ 4. Kd3 Rb3+ 5. Kd4 Rb4+ 6. Kd5 Rxb5+ 7. >Kxd6 Rb6+ 8. Kd5 (8. Kd7 $2 Rb1) 8... Rb5+ 9. Kd4 Rb4+ 10. Kd3 Rb3+ 11. Ke2 >Rb2+ 12. Kf3 Rb3+ 13. Kf4 Rb4+ 14. Kf5 Rb5+ 15. Kf6 Rb6+ 16. Kf7 1-0 > >13. Kf4 Rb4+ 14. Kf5 >Rb5+ 15. Kf6 Rb6+ 16. Kf7 1-0 Crafty17.10 on pentiumIII450 failed high after 7:43 at ply 17/40(evaluation of h6 is +0.40 but it is probably going to be better after it solve the fail high) Crafty has better evaluation in this case because it knows about cases that 2 pawns win a rook and I think that this is the reason that Crafty is faster than Fritz. programs do not know enough about cases when pawns cannot be stopped. Uri
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