Author: Volker Böhm
Date: 13:56:02 03/16/04
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>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?
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