Author: Scott Gasch
Date: 00:55:23 07/12/02
Go up one level in this thread
On July 11, 2002 at 16:11:17, Robert Hyatt wrote: >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 My results match Bob's here: 5664262 nodes to 4 ply. > >>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. I also match these exactly. > >> >>// 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 Again my numbers match Bob's: 2010006 nodes to 4 ply. > >>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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