Author: Stuart Cracraft
Date: 10:43:35 01/02/06
Go up one level in this thread
On January 02, 2006 at 11:14:38, William Penn wrote: >On January 02, 2006 at 10:55:58, William Penn wrote: > >>On January 02, 2006 at 07:37:45, K. Burcham wrote: >> >>> >>>The strongest chess program ever made, opened the a-file, blocked the e5 pawn, >>>and went on to intimidate the 2750 opponent to resign. >>> >>>will your program open the a-file and block the e5pawn. >>> >>>Here is rybka after 5 hours. >>>2200mhz Athlon64 >>>512 hash >>> >>>Looking for this line >>>36. axb5 axb5 37. Be4 >>> >>> [D] r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - 0 36 >>> >>>Rybka 1.0 Beta 32-bit: >>> >>>36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Qa7 Qe5 40.Qe3 Bc7 >>> +- (1.62) Depth: 22 00:38:29 271623kN >>>36.Qb6 Qe7 37.axb5 Rab8 38.Qxa6 e4 39.Qa7 Qe5 40.Qe3 Bc7 >>> +- (1.59) Depth: 23 01:07:07 465416kN >>>36.Qb6 Qe7 >>> ± (1.26) Depth: 24 05:14:05 1975804kN >>> >>>kburcham >> >> >>Rybka considers your idea as second best. Using multi-PV mode... >> >>[D]r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - >> >>Engine: Rybka 1.01 Beta 7 32-bit (704 MB) >>by Vasik Rajlich >> >>17 5:20 +2.02 1.Qb6 Rd8 2.Be4 Be7 3.axb5 Rd6 4.Qa5 Bd8 >> 5.Qa4 a5 6.bxa5 Bxa5 7.Kh2 Qd7 (33.664.377) 107 >> >>17 5:55 +1.23 1.axb5 axb5 2.Be4 Rcb8 3.Ra6 Qd8 >> 4.Kh2 Rxa6 5.Rxa6 Qd7 6.Kg3 Kf7 >> 7.Qe3 Rb7 (37.609.781) 108 >> >>17 6:12 +0.60 1.Be4 a5 2.axb5 axb4 3.Rxa8 Rxa8 >> 4.Ra6 Qd8 5.Qa2 Rxa6 6.bxa6 bxc3 >> 7.Kh2 Qa8 (39.353.897) 108 >> >> >>P.S. >>I have no prior experience trying to import FEN into Shredder Classic 9.1 GUI. >>The "0 36" was truncated from FEN when I imported this position from an .epd >>file. I don't know if that has any effect on the analysis, nor if there is a >>better way to import FEN into that GUI. >>WP > >I let it run a little longer and the gap between the first two PVs is narrowing. >Perhaps your idea would come out on top eventually, with a superfast computer or >very long run times. > > >r1r1q1k1/6p1/p2b1p1p/1p1PpP2/PPp5/2P4P/R1B2QP1/R5K1 w - - > >Engine: Rybka 1.01 Beta 7 32-bit (704 MB) >by Vasik Rajlich > >20 25:13 +1.70 1.Qb6 Qe7 2.axb5 Rab8 3.Qxa6 e4 > 4.Qa7 Qe5 5.Qe3 Re8 6.b6 Qh2+ 7.Kf1 Bf4 (160.548.890) 108 > >20 28:22 +1.27 1.axb5 axb5 2.Be4 Rcb8 3.Ra6 Kf7 > 4.Ra7+ Kg8 5.Kh2 Qd8 6.Kg3 Rxa7 > 7.Qxa7 Bc7 (181.434.497) 109 > >20 30:42 +0.67 1.Be4 a5 2.axb5 axb4 3.Rxa8 Rxa8 > 4.Ra6 Qd8 5.Qa2 Rxa6 6.bxa6 Bc5+ > 7.Kh2 b3 (196.471.231) 109 > >WP I believe Be4 was the position that DB played that gave Kasparov pause. So to find that in 30 minutes by Rybka is a good accomplishment. Another feather in its hat.
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