Author: Bruce Moreland
Date: 23:11:04 02/04/00
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On February 04, 2000 at 22:01:49, Tom Kerrigan wrote: >On February 04, 2000 at 21:25:07, Marc Plum wrote: > >>I've just been reading the "drawn position" thread relating to a game between >>Nimzo and Shredder in Enrique Irazoqui's tournament. One sub-thread concerned a >>possible KPvsknn ending. This position was not forced, I believe, but was a >>plausible variation. Although tablebases showed it to be a mate in 62, >>application of the 50 move rule would make it a draw. > >KP vs knn has some pieces and pawns... are you sure the database variation >doesn't contain any pawn pushes or captures? > >-Tom The typical win in that ending involves a lot of maneuvering with king and knights, then release of the pawn as the blockading knight hops off to deliver mate. So in many of these cases I suspect that the shortest path does involve a quick blockade, a long maneuver period, then release of the pawn. It may be possible to break the maneuver phase into two sub-phases with a forced pawn push in between, but I expect that this wouldn't be very common. So I think that this case is probably a good one to consider. bruce
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