Author: Uri Blass
Date: 19:24:04 11/12/04
Go up one level in this thread
On November 12, 2004 at 22:08:18, Mike Byrne wrote: >On November 12, 2004 at 22:04:34, Mike Byrne wrote: > >>sel 0 0 , ext set to 0 >> >>sd=1 >> >>Black(1): new >>White(1): g >> time surplus 0.00 time limit 22.50 (3:30) >> depth time score variation (1) >> 1 0.00 0.16 1. Nf3 >> 1-> 0.01 0.16 1. Nf3 >> time=0.01 cpu=0% mat=0 n=60 fh=100% nps=10K >> ext-> chk=0 cap=0 pp=0 1rep=0 mate=0 >> predicted=0 nodes=60 evals=20 50move=0 >> endgame tablebase-> probes=0 hits=0 >> SMP-> split=0 stop=0 data=0/128 cpu=0.00 elap=0.01 >> >>White(1): Nf3 >> time used: 0.01 >> >>-> why 60 nodes here? >> >>( thought it would be 20) >> >>same settings, sd=2 >> >>Black(1): new >>White(1): sd 2 >>search depth set to 2. >>White(1): g >> time surplus 0.00 time limit 22.50 (3:30) >> depth time score variation (1) >> 1 0.00 0.16 1. Nf3 >> 1-> 0.02 0.16 1. Nf3 >> 2 0.02 -0.14 1. Nf3 Nc6 >> 2-> 0.02 -0.14 1. Nf3 Nc6 >> time=0.02 cpu=0% mat=0 n=119 fh=100% nps=10K >> ext-> chk=0 cap=0 pp=0 1rep=0 mate=0 >> predicted=0 nodes=119 evals=59 50move=0 >> endgame tablebase-> probes=0 hits=0 >> SMP-> split=0 stop=0 data=0/128 cpu=0.00 elap=0.02 >> >>White(1): Nf3 >> time used: 0.02 >>Black(1): >> >>-> why 119 nodes here >> >>I thought it would be 400. >> >>There are no extensions, null move is off. >> >>An insights appreciated. I may be misunderstanding what is "supposed" o be >>counted. > >I just remembered Crafty's perft command > >Black(1): perft 2 >total moves=440 time=0.00 >Black(1): perft 1 >total moves=20 time=0.00 >Black(1): > > I don;t understand the 440 either - but I must be missing something. Are you sure that it use the opening position? Maybe it use the position after Nc3. I remember that Crafty calculated perft correctly some years ago. Uri
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