Author: Odd Gunnar Malin
Date: 05:52:41 11/22/01
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On November 21, 2001 at 23:55:39, Michel Langeveld wrote: >On November 21, 2001 at 19:11:53, Odd Gunnar Malin wrote: > >>On November 21, 2001 at 18:23:08, Michel Langeveld wrote: >> >>>I build nullmove in my chessprogram and received a problem. >>> >>>The example which is on Bruce side seems not to work in certain positions. >>>Especially positions where it's possible to give mate: >>> >>>[D] rnbq1bnr/pp2k3/2p1p1B1/3pP1p1/7p/4PQ2/PPPN1PPP/R3K1NR b KQ >>> >>>After Qc7 white doesn't see Qf7 anymore. >>> >> >>Are you using nullmove at the first ply? >> >>Odd Gunnar > >No at the rootnode I don't do nullmove. >Is this ok? Yes, I was only trying to figur out what could happend. After Qc7. You try Qf7 Black is in check so no nullmove here, OK? Kd8 only move Qe8# Maybe a bug in the mate test then. Odd Gunnar
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