Author: Vincent Lejeune
Date: 14:34:07 07/23/00
Go up one level in this thread
On July 23, 2000 at 17:06:44, Larry Griffiths wrote: >On July 23, 2000 at 16:19:55, Larry Griffiths wrote: > >>Hi Robert, >> >>Vincent Lejeune posted a message on June 01, 2000 at 5:42:33 >>that said to download Crafty and use the 'perft' command to get the >>possible moves at 'n' plies. >> >>The message contained... >> >>White(1): perft 1 >>total moves=20 >>White(1): perft 2 >>total moves=400 >>White(1): perft 3 >>total moves=8902 >>White(1): perft 4 >>total moves=197281 >>White(1): perft 5 >>total moves=4865609 >> >>I assumed that this produced all the legal moves at each ply level and was using >>it to validate counts in my program. I matched the 197281 until I added >>en-passant and now I get 197303 at ply 4. >> >>Does your perft command do enpassant, castleing etc? >> >>Larry. > >Ok, let me try again :) > >My new results are: > >TCBoard - BruteForce Elapsed Time= 3.53 seconds > >TCBoard - BruteForce Ply ----CAPTURES--- -----MOVES----- -----TOTAL----- >TCBoard - BruteForce 1 0 20 20 >TCBoard - BruteForce 2 0 400 400 >TCBoard - BruteForce 3 34 8,868 8,902 >TCBoard - BruteForce 4 1,576 195,705 197,281 >TCBoard - BruteForce 5 82,719 4,782,888 4,865,607 >TCBoard - BruteForce _______________ _______________ _______________ >TCBoard - BruteForce 84,329 4,987,881 5,072,210 > >TCBoard - BruteForce Captures/Moves Per Second= 1,436,480 > >It is obvious that en-passant is indeed in your output but my 4,865,607 >does not match your 4,865,609. I am wondering if Vincent copied and pasted or >just typed the numbers in since we differ by 2 moves. > >Will Crafty run under Windows 98 or Windows 2000, and if so... >where can I download it from? > >Larry. Yes I've copy-past the text from Crafty But you can verify , download the latest version here : ftp://ftp.cis.uab.edu/pub/hyatt/ ;)
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