Author: Renze Steenhuisen
Date: 08:08:13 03/17/04
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On March 16, 2004 at 16:56:02, Volker Böhm wrote: > >>r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1 >>PerftPly = 4 >>nCount = 4185552 >>nps = 1260708 > >I gave this one a try as it has a some nodes to get an accurate time >measurement. >Ralf (Cheetah) and me (IceSpell) just startet to "play" with different kind´s of >move generators and we have built one from the scratch. >It takes about 1sec (1081 ms) for 4085603 nodes (only depth 4 perft not the sum >of depth 1-4). The CPU is a 1,3 GHZ Celeron which should be about 1,5-1,6 times >less fast than yours (for chess). >But we don´t have fully built attack-tables, only with pawns, knights and kings >now (those were simple to implement). > >How do you build your attack-tables? incrementally? What is the data-structure >for them? DarkSight: perft(4) = 4085603 time = 1.25sec. Cheers
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