Author: Alejandro Dubrovsky
Date: 12:36:52 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: i'm testing as well, so my number are neither confirmations nor corrections. great help :) > >// castle test: >[D]r3k2r/3q4/2n1b3/7n/1bB5/2N2N2/1B2Q3/R3K2R w KQkq - 0 1 >perft 4 = 5660814 ? >perft 5 = 269371355 ? i get 5257077 and 246266720 > >// ep test: >[D]rnbq1bnr/1pppkp1p/4p3/2P1P3/p5p1/8/PP1PKPPP/RNBQ1BNR w - - 0 1 >perft 4 = 295376 ? >perft 5 = 8296614 ? same > >// promotion test: >[D]rn1q1bnr/1bP1kp1P/1p2p3/p7/8/8/PP1pKPpP/RNBQ1BNR w - - 0 1 >perft 4 = 1874042 ? >perft 5 = 58274872 ? what's the correct way to count in promotions? is it meant to be a separate move for promote to queen, rook, bishop and knight, or is that just counted as one. counting each one separately, i get 2010006 and 67867493 > >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). > i hope you are right :)
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