Author: Richard Pijl
Date: 05:54:10 08/31/04
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On August 31, 2004 at 08:15:42, Kolss wrote: >On August 31, 2004 at 06:52:10, Vasik Rajlich wrote: > >>On August 30, 2004 at 19:44:50, Eugene Nalimov wrote: >> >>>On August 30, 2004 at 14:03:49, Dan Honeycutt wrote: >>> >>>>In spite of Dr. Hyatt's admonishment that this was a loser in Crafty, I'm bent >>>>on trying it. Since I do legal move generation I can do the pins for half price >>>>- I either have or can use the pin data for one side in conjunction with >>>>generating moves. I just finished the routine. My NPS dropped by just over 4% >>>>on bench test psitions. I've just started testing an hope to have some >>>>indication if pin detection is a win, lose or draw in a few days. >>>> >>>>One aside - the pin detection is not always more accurate (or mine isn't). In >>>>the following position for the move Nxg5 the no-pin SEE correctly returns +1 >>>>where the pin-detection SEE comes back with -2. >>>> >>>>[D] 7k/4q3/8/6p1/4N3/5N2/8/4K3 w - - >>> >>> >>>White is lost in 24 :-) >>> >>>Thanks, >>>Eugene >> >>Really? This ending is only lost in exceptional cases - and it's certainly not >>obvious that this is one of them. >> >>Vas > >Hi Vas, > >Are you sure? It seems to me that this ending (Q vs. NN) is generally won for >the queen. Maybe someone with the TB could check... > >Best regards - Munjong. After Nfxg5 only Kg7 wins. Al other moves are drawn. Richard.
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