Author: Stuart Cracraft
Date: 08:33:17 02/22/06
[D]8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - Hi - this is WAC #2 and a position my program can't solve. The solution is Rxb2. How to make a program solve this problem in a way that carries over to the similar class of positions? In the printout below, score is in millipawns. .ts position file? [wac.epd] wac.epd # of test positions to test? 1 maxtime = 99999900 Interrupt current ply and return move at timeout Testsuite: Tests/wac.epd 1 positions *** Problem Solution(s): Rxb2 (bm) -- ** -- ** -- ** -- ** ** -- ** -- ** -- ** BP -- ** -- ** -- BK -- ** ** -- ** -- ** BP ** -- BP ** BP ** -- WP -- ** WP BR ** BP WP WK ** -- -- WP -- WR -- ** -- WP ** -- ** -- ** -- ** -- mv 1 stage 0, black to move, computer plays black hash=a5e05373307344c6 0 0 0 0 0 0 Alpha=2627 Beta=3428 Maxdepth=9999999 MaxTime=99999900 xboard=0 Itr/Max Mv Score Time Nodes PV 1/ 1> b3b2 3428 0.00 2 b3b2 1/ 1 c4c3 3357 0.01 20 c4c3 2/ 4< c4c3 2956 0.01 44 c4c3 d2d3 2/ 4 f6g7 38 0.01 106 f6g7 3/ 6 c4c3 8 0.02 493 c4c3 d2d3 4/ 9 f6e7 12 0.04 1204 f6e7 f3g2 b3b6 5/14 h7h5 21 0.08 3400 h7h5 f3f2 f6g7 6/14> f6e6 421 0.14 6731 f6e6 f3g2 c4c3 d2d3 b3b2 g2h1 6/14 f6e6 421 0.16 7677 f6e6 f3g2 c4c3 d2d3 b3b2 g2h1 h7h6 7/15 c4c3 26 0.30 16084 c4c3 b2c3 b3c3 d2a2 h7h5 f3g3 8/15> c4c3 426 0.43 23680 c4c3 b2c3 b3c3 d2a2 f6e6 h2h4 c3c4 8/15 c4c3 934 0.60 34786 c4c3 b2c3 b3c3 d2b2 c3a3 b2b7 f6g6 9/16< c4c3 533 0.89 51904 c4c3 b2c3 b3c3 d2b2 c3a3 b2b7 f6g6 b7b6 g6g7 b6b7 g7h8 f3g2 a3a2 9/18 f6e7 15 1.90 116795 f6e7 d2d3 c4d3 h2h4 mtmt 10/21 b3b6 15 5.66 349319 b3b6 11/25 c4c3 25 20.19 1107635 c4c3 b2c3 b3c3 d2b2 c3a3 b2b7 f6g6 b7h7 12/29 c4c3 48 78.46 4098861 c4c3 b2c3 b3c3 e3e4 c3a3 f3e3 a3b3 d2d3 b3b2 13/33 b3b8 27 555.50 30561813 b3b8 e3e4 b8g8 f3e3 f5e4 e3e4 g8g4 d2d3 c4d3 e4d3 Thanks, Stuart
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