Author: Enrique Irazoqui
Date: 04:44:40 06/07/00
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On June 07, 2000 at 07:14:31, Jouni Uski wrote: >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 > >Interesting position, but is black forced to take from h6 (gxh6)? May be -Kc8 >is better? I think that black loses in all variations. >Which version is Fritz6b? It's the Fritz 6 engine included in Young Talents. I'm told that the difference between F6a and this newer F6b version is that "the usual tablebase bugs which every new implementation seems to catch are resolved." Aside from this, F6b is slightly faster than F6a, although in most positions there is no difference between them. Enrique >Jouni
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