Author: Heiner Marxen
Date: 18:28:42 12/19/01
Go up one level in this thread
On December 19, 2001 at 17:35:00, leonid wrote: >On December 19, 2001 at 01:09:32, Heiner Marxen wrote: > >>On December 13, 2001 at 21:46:41, leonid wrote: >> >>>[D]rqbkqnq1/3N4/QbqNqnq1/Q1R1R1B1/Q1N1Q1B1/Q1r1P1Q1/P1p1K1p1/8 w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >> >>Chest says "No solution in 10 moves." >>This happened on a K7/600 with 350 MB hash, and took 40.7 hours. >> >>CU, Heiner > >Thanks, Heiner! > >By brute force I went on this position only 8 moves. It took already for my >program 25 minutes. With branching factor that was growing all the time and went >between 7 and 8 move already to 10, was not sure if I will be able to see that >many moves even deeper. > >Cheers, >Leonid. In Chest the branching factor was somewhat wild: # 1 0.00s 0kN 0.87 1- 0 # 2 0.00s 0kN 1.00 1- 0 # 3 0.00s 1kN [ 13.32] 0.96 71- 0 # 4 0.16s 8kN [ 8.29] 1.04 840- 0 # 5 1.07s [ 6.69] 55kN [ 6.52] 1.18 5976- 0 # 6 7.12s [ 6.65] 369kN [ 6.74] 1.34 38440- 0 # 7 50.85s [ 7.14] 2851kN [ 7.73] 1.51 255764- 0 # 8 519.41s [ 10.21] 31963kN [ 11.21] 1.59 2252944- 103 # 9 8460.16s [ 16.29] 563593kN [ 17.63] 1.63 34694868- 25946967 # 10 146390.27s [ 17.30] 5189578kN [ 9.21] 1.71 630254350- 621506449 Cheers, Heiner
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