Author: Mark Young
Date: 18:41:31 05/17/99
Go up one level in this thread
On May 17, 1999 at 20:18:04, Dann Corbit wrote: >Here are three trouble-maker positions. They have been pounded mercilously on a >PIII 500 MHz for ten hours and still get the 'wrong' answer. What I would like >to know (from chess experts) is if the suggested moves (pm) really are inferior >to the best moves (bm) recorded in the test suites. If they are inferior, then >what is the correct trajectory for the given best move that results in a >superior evaluation? > ># Epd bm pm ce >- ------------------------------------------------------------- --- --- -- >0 r1bqkb1r/pp3ppp/2nppn2/6B1/3NP3/2N5/PPP2PPP/R2QKB1R w KQkq - Qd2 Bb5 53 >1 r1bqkb1r/ppp1pppp/1nn5/4P3/2PP4/8/PP4PP/RNBQKBNR w KQkq - Be3 Nf3 -38 >2 rnbqkb1r/pppp1ppp/5n2/4p3/4PP2/2N5/PPPP2PP/R1BQKBNR b KQkq f3 d5 d6 -2 > ># pv >- ------------------------------------------------------------------- >0 Bb5 Bd7 Nb3 a6 Be2 Bc8 O-O Be7 Qd2 O-O Rad1 Ne8 Be3 Bh4 Bf4 e5 >1 Nf3 Bf5 a3 e6 Nc3 Bg4 Be2 Be7 Bf4 Bxf3 Bxf3 Nxd4 Bxb7 Rb8 Bd5 Bh4+ >2 d6 Nf3 exf4 d4 Nh5 Nd5 Bg4 Nxf4 Be7 Nxh5 Bxh5 Bf4 Nd7 Bb5 O-O Qd3 > ># id >- ------------- >0 Crafty POS271 >1 Crafty POS080 >2 CCR.11 Hiarcs7 found the BM moves best, and in a very short time. 0 9->29 398s d1-d2 c6xd4 d2xd4 c8-d7 o-o-o f8-e7 f1-b5 o-o +.94 1 10->30 303s c1-e3 c8-f5 g1-f3 e7-e6 f1-e2 f8-b4 +.36 2 9->29 215s d7-d5 d2-d3 e5xf4 e4xd5 c3xd5 d8xd5 c1xf4 +.36
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