Author: Vincent Lejeune
Date: 11:33:00 08/31/04
Go up one level in this thread
On August 31, 2004 at 09:38:25, Vasik Rajlich wrote: >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. > >Yes - but there exist some complicated zugzwang positions, even in the middle of >the board. I guess here black can already force one of them. > >Vas Could post some NNvsQ draw positions (with no fork in 1 move :o) ), please ? i'm very interresting in ...
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