Author: Heiner Marxen
Date: 09:11:00 03/27/04
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On March 26, 2004 at 16:57:20, Dieter Buerssner wrote: >On March 25, 2004 at 13:11:13, Heiner Marxen wrote: > >>Your program agrees with (a modified version of) Chest, so the dangers are >>relatively small ;-) > >How did you solve it? How much CPU time did you need? I guess, you did it more >clever than me ... I am curious. Chest already can do normal help mates, so I introduced a #define, and when given I let him check explicitly for the NxR condition at the mate move candidate. That was not especially clever, but rather obvious. Someone sent me email that he independantly did a very similar Chest hack. Regarding the timing... just at that time I had a serious bug in my timing function. Everything over 4 hours did not work :-( I used rather slow hardware then (Dec-1999) so it definitely were multiple days. I estimate 6 days on a 166 MHz machine. The result was: f3 Nxe4 Qe2 Ng3 Qxe7+ Qxe7+ Kf2 Nxh1# Qe2 Nxe4 f3 Ng3 Qxe7+ Qxe7+ Kf2 Nxh1# Cheers, Heiner
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