Author: James Robertson
Date: 19:23:20 06/01/99
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On May 31, 1999 at 17:49:15, Dann Corbit wrote: My program at 5 minutes a move on my P233 with 4MB hash tables solves 4 of the problems, seeing mate in none of them. For position 15 it sees an advantage of greater than 8 pawns for White, so I presume black loses his queen and gets mated soon. Position 16 had a rather strange search: Depth Score Time Nodes PV 1 -116 0 65 Nxe4 Nxe4 Bxe4 2 -116 0 189 Nxe4 Nxe4 Bxe4 3 -120 0 2202 Nxe4 Qd3 Qf5 Nxe4 Bxe4 4 -138 50 8482 Nxe4 Qd3 Qf5 Re1 5> -128 550 59763 Re8 Qe3 Bxe4 f4 Qf5 Nxe4 Nxe4 5 -128 550 64310 Re8 Qe3 Bxe4 f4 Qf5 Nxe4 Nxe4 6> -159 1150 127315 Bxe4 Re1 Qf5 Na5 Bxc2 Nxb7 6 -159 1980 219865 Bxe4 Re1 Qf5 Na5 Bxc2 Nxb7 7> -165 3020 371709 Nxe4 Qd3 Nxc3 Qxf3 Ne4 Re1 f5 7 -165 4940 624008 Nxe4 Qd3 Nxc3 Qxf3 Ne4 Re1 f5 It makes 7 plies in 5 seconds and fails to complete another ply 5 minutes later! I suspect there is something in the position. James
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