Author: Peter McKenzie
Date: 17:03:27 09/27/00
Go up one level in this thread
On September 27, 2000 at 17:16:21, Andrew Williams wrote: >On September 27, 2000 at 04:45:38, Eduard Nemeth wrote: > >>[D]8/8/p3R3/1p5p/1P5p/6rp/5K1p/7k w - - 0 1 >> >>Shredder 4 and Fritz 6a this don't find ! >> >>Eduard > >PostModernist finds this easily enough: > >9= +M07 2 102865 1. Re1 Rg1 2. Rf1 a5 3. bxa5 b4 4. a6 b3 5. a7 Rxf1 >6. Kxf1 b2 7. a8=Q > >ie 2 seconds, 102865 nodes. LambChop didn't find it, it looks like a nullmove problem to me. After 1.Re1+ Rg1 2.Rf1 black just nullmoves, so the zugzwang is not detected. I guess you don't nullmove in Rook endings? > >Andrew Williams
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