Author: Steven Edwards
Date: 18:49:51 04/18/05
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On April 18, 2005 at 17:21:27, F. Huber wrote: >On April 18, 2005 at 17:10:40, Steven Edwards wrote: >>On April 18, 2005 at 17:03:53, F. Huber wrote: >>>is there anywhere information available, which positions of the WAC test suite >>>are actually a ´mate in n´? >>> >>>I would like to let ChestUCI analyze this WAC suite, but of course knowing >>>IF a position is a mate at all (and in HOW MANY moves) would make this task >>>much easier! ;-) >> >>Coincidentially, I'm in the process of running a one hour per position analysis >>on WAC right now. In the first 163 problems, a forced mating sequence was found >>in 41 of them. The run should complete in a few more days. > >That´s really interesting, Steven! :-) > >I hope you´ll post your results (which positions and the mate depth) here - >such a long (and complete) test would be too strenuous for my old notebook ... There are a few long mates in the problems considered so far. WAC.006 and WAC.163 are both mate in 11, and WAC.041 is a mate in 15. WAC.006: [D] 7k/p7/1R5K/6r1/6p1/6P1/8/8 w - - 0 1 WAC.041: [D] 1k6/5RP1/1P6/1K6/6r1/8/8/8 w - - 0 1 WAC.163: [D] 5rk1/2p4p/2p4r/3P4/4p1b1/1Q2NqPp/PP3P1K/R4R2 b - - 0 1
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