Author: Robert Hyatt
Date: 13:11:17 07/11/02
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On July 11, 2002 at 15:10:10, Sune Fischer wrote: >I fear I may have castle and promotion bugs. > >My new version produces correct perft numbers on the initial position up to ply >6, but I would like to test for castle, ep and promotions also, so it would be a >big help if I could get confirmation on some numbers: > >// castle test: >[D]r3k2r/3q4/2n1b3/7n/1bB5/2N2N2/1B2Q3/R3K2R w KQkq - 0 1 >perft 4 = 5660814 ? I get total moves=5664262 time=3.78 >perft 5 = 269371355 ? > >// ep test: >[D]rnbq1bnr/1pppkp1p/4p3/2P1P3/p5p1/8/PP1PKPPP/RNBQ1BNR w - - 0 1 >perft 4 = 295376 ? >perft 5 = 8296614 ? I match those perfectly. > >// promotion test: >[D]rn1q1bnr/1bP1kp1P/1p2p3/p7/8/8/PP1pKPpP/RNBQ1BNR w - - 0 1 >perft 4 = 1874042 ? I get total moves=2010006 time=1.47 >perft 5 = 58274872 ? And I get total moves=67867493 time=54.01 > >My guess is, that the ep numbers are correct, but castle and promotions are >wrong (older versions disagree, but I don't really thrust them either). > >thx >-S.
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