Author: Dann Corbit
Date: 19:43:49 08/02/99
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On August 02, 1999 at 22:32:24, James Robertson wrote: >On WAC #38: >4k3/p4prp/1p6/2b5/8/2Q3P1/P2R1PKP/4q3 w - - bm Rd8+; id WAC038; >My program favors the 'best move' for 9 plies, and then switches to Qd3 with a >pv that wins the Q for the R exactly the same, just with a small positional >difference. Is my program correct? Will Qd3 also win? Crafty gives similar >scores for both moves. > >James > >Position #38 >Best move(s): Rd8+ >Unsolved. >Depth Score Time Nodes PV > 1 201 0 64 Rd8+ Kxd8 Qxe1 > 2 201 0 115 Rd8+ Kxd8 Qxe1 > 3 201 0 306 Rd8+ Kxd8 Qxe1 > 4 191 60 814 Rd8+ Kxd8 Qxe1 f5 > 5 211 60 1782 Rd8+ Kxd8 Qxe1 f5 Kf3 > 6 200 220 10024 Rd8+ Kxd8 Qxe1 Rg4 Kf3 Rd4 > 7 212 500 21773 Rd8+ Kxd8 Qxe1 Rg4 Kf3 Rd4 Qe5 > 8 208 2530 117508 Rd8+ Kxd8 Qxe1 Rg4 Qe5 Ra4 Qd5+ Ke7 > 9 217 4180 205169 Rd8+ Kxd8 Qxe1 f6 Qe6 Bd4 Kf3 Rd7 Qe4 > 10> 214 51910 2447229 Qd3 f5 Re2+ Qxe2 Qxe2+ Kf7 Kf3 Bd6 Qd2 Be5 Qc2 > 10 214 53060 2489505 Qd3 f5 Re2+ Qxe2 Qxe2+ Kf7 Kf3 Bd6 Qd2 Be5 Qc2 Here's the C.A.P. record (it is a 12 ply result): 4k3/p4prp/1p6/2b5/8/2Q3P1/P2R1PKP/4q3 w - - acd 12; ce 103; pv Qd3 Qe7 Re2 a5 Rxe7+ Kxe7 Qe2+ Kd6 Qd2+ Ke7 Qh6 Kf8 Kf3 b5 h3; pm Qd3; bm Rd8+; id "WAC.038"; Most likely a bug in the WAC EPD suite, but I would get some chess expert's comments first before believing what a program has to say.
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