Author: Ernst A. Heinz
Date: 05:59:59 04/18/98
Go up one level in this thread
On April 15, 1998 at 15:40:59, Ed Schröder wrote: >>Posted by Danniel Corbit on April 15, 1998 at 15:19:00: > >>Considering this game: >>[Event "NY Open, New York USA"] >>[Site "?"] >>[Date "1998.??.??"] >>[Round "1"] >>[White "Gurevich, D."] >>[Black "Young, R."] >>[Result "1-0"] >>[ECO "A22"] >>[WhiteElo "2540"] >>[BlackElo "2295"] >>[PlyCount "53"] >>[EventDate "1998.??.??"] > >>1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 5. Ngxe4 Nxe4 6. Nxe4 bxc4 7. >>e3 d5 8. Nc3 Be7 9. d3 cxd3 10. Bxd3 c6 11. e4 Be6 12. exd5 cxd5 13. >>Bb5+ Kf8 14. Be3 Nd7 15. Nxd5 Qa5+ 16. Nc3 Ne5 17. O-O h5 18. Bf4 Ng6 >>19. Bd6 Rd8 20. Bxe7+ Kxe7 21. Qe2 Rd4 22. Rad1 Rg4 23. Qe3 Nf4 24. Kh1 >>Rc8 25. f3 Nxg2 26. Qe5 Rg6 27. b4 Qa3 1-0 > >>Tascbase2.0 apparently finds a mate in 20 seconds [mate in 13]. Crafty >>finds a mate in 11 in 21 minutes (60 times longer, but mate more >>quickly). Comments on what sort of techniques are used to find the mate >>so quickly using Tascbase? > >>The original thread in r.g.c.c is titled "Many programs take forever to >>find this mate, others no" > >2r5/p3kpp1/4b1r1/1B2Q2p/1P6/q1N2P2/P5nP/3R1R1K w - - id Gurevich, D. - >Young, R.; bm e5d6; > >Rebel 9.0 needs 10 seconds. >Machine PII-266 >Announcement is mate in 12. > >- Ed - Looks like a typical position that tests the quality of single-reply extensions in chess programs. "DarkThought" announces mate-in-11 after 2 seconds on our 600MHz Alpha. =Ernst=
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