Author: Dann Corbit
Date: 22:12:34 12/22/00
Go up one level in this thread
On December 23, 2000 at 00:38:28, Paul Byrne wrote:
>I've been looking at endgame tables for ICC's Losers chess lately and
>discovered that a number of "obvious" draws are really wins. 91 moves
>being the longest so far. Well past the 50 move draw rule.
>
>Question is, how do people deal with this (or not deal with it) in their
>programs?
>
>-paul
>
>For those interested, white to move and win in 91 moves:
>
>[D]6N1/8/4k3/8/2p5/2P5/8/K7 w - - 0 1
Actually, it's a mate in 21 moves.
Crafty v17.14
White(1): epdpfga epd.epd ped.out
EG fault: a problem occurred during epdpfga processing
White(1): epdpfga epd.epd ped.out
PFGA: EPD record: 1
end-game phase
clearing hash tables
time surplus 0.00 time limit 30.00 (3:00)
nss depth time score variation (1)
2 0.00 Mat21 1. Kb2 <HT>
2-> 0.01 Mat21 1. Kb2 <HT>
3 0.01 Mat21 1. Kb2 <HT>
3-> 0.01 Mat21 1. Kb2 <HT>
4 0.01 Mat21 1. Kb2 <HT>
4-> 0.02 Mat21 1. Kb2 <HT>
time=0.02 cpu=100% mat=3 n=9 fh=100% nps=10000
ext-> checks=0 recaps=0 pawns=0 1rep=0 thrt:0
predicted=0 nodes=9 evals=2
endgame tablebase-> probes done=2 successful=2
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