Author: Slater Wold
Date: 21:11:22 07/21/03
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On July 21, 2003 at 23:53:48, Normand M. Blais wrote: >The following position occured in a game between two chess programs (My program >had white). > >[d]r3r1k1/1p3ppp/2n1qn2/p1b1pNB1/3pP3/P2B4/1PP2PPP/R2Q1RK1 w - - > >After the game, I decided to let the program analyse the position again just for >fun. But then I notice that, after finding the correct move, the pv line at >depth 6 was ending in a checkmate while the score at that depth was 0.02. I >suspect that this is a bug. Any idea how this could happend? > >NMB > >Here is the analysis: > > 1 -0.09 0 58 a4 > 2 -0.19 0 1404 a4 Rac8 > 3 0.05 0 2401 Qf3 Nd7 Rfd1 > 4 -0.05 2 12896 Qf3 Nd7 Rfd1 Rac8 > 5 -0.04 7 50855 Qf3 Nd7 Rfd1 Rac8 a4 > 6 0.02 23 147187 Bc4 Qxc4 Bxf6 Bf8 Qg4 Qxc2 Nxg7 Bxg7 Qxg7# > 7 0.15 81 515963 Bc4 Qxc4 Bxf6 Bf8 Qg4 h5 Nh6+ Kh8 > 8 0.02 296 1695515 Bc4 Qxc4 Bxf6 Bf8 Nxg7 Bxg7 Qg4 Qxc2 Qxg7# Junior does this all the time. /shrug
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