Author: Howard Exner
Date: 05:29:31 01/19/98
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On January 19, 1998 at 05:14:51, Ernst A. Heinz wrote: >On January 18, 1998 at 23:58:55, Howard Exner wrote: >>On January 18, 1998 at 12:31:40, Ernst A. Heinz wrote: >>> 1. 0 sec (mate in 19 after 4 sec) >>Do you have knowledge for this one and #9 or are they both >>tablebase solutions? > >No special knowledge, just the combination of search and tablebases. > >>> 3. -?- (prefers Kd5 after 0 sec, score = +1.27) >> >>The point of this problem is to avoid Kc3? as Kxg6 draws.After >>Kd5 you will have to follow up on how to reply to Ra5+. Kc4 in reply >>to Ra5+ will again draw but Kc6 will be correct. The king has to >>stay close to the white queening square after the exchange on a1. > >PV moves are 1.. Kd5 2. Kh6 g5 3. Ra5+ Kc6! etc. > >>>22. --- >> >>#22 shows how difficult the Louguet-2 End#9 really is. I wonder >>which programs that were given credit for solving Louguet-2 would >>find this? > >"DarkThought" never claimed to solve LCT-II #9 -- the according >knowledge is still missing ... Your program sure did well on this suite. I was worried that it might be too difficult. It also shows how different programs really are when solving problem suites even with this small 22 position suite.
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