Author: Dieter Buerssner
Date: 16:56:48 06/25/02
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On June 25, 2002 at 19:44:39, Art Basham wrote: >After 3 or 4 min, In this position, the Fritz 7 program ann. a mate in 20...! >Beginning with QXN, etc. > >[D]4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - > >1. QXN also make a good test move for engines to find... This is WAC position 141, one of the most difficult ones of WAC. It is a mate in 6. Depending on pruning/extension tuning, I have seen my engine show the mate in 10 seconds and in some minutes. I guess some engines on fast hardware will find it in a second or so. 1. Qxf4 Be7 2. Rxh5 Bxf6 3. Qxf6 gxh5 4. Rxh5 Qg3+ 5. Kxg3 Re5 6. Rh8# Regards, Dieter
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