Author: Andrew Platt
Date: 08:21:43 09/10/04
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On September 10, 2004 at 10:18:30, Mihaly Szalai wrote: >From the game Jung - Szabados (1952) > >[D]8/6B1/p5p1/Pp4kp/1P5r/5P1Q/4q1PK/8 w - - 0 32 > >32. Qxh4! Kxh4 33. Bf6+ g5 34. Bc3!! > >Hiarcs 9 have problems with it even after 20 minutes. > >Show it to your engine. This was a good testcase for my recently implemented verified null move code. With verified null move on it takes Schola 13 plies and 33 seconds to see this; without I'm not sure because I killed it after it had spent minutes at ply 16! However, without null move it finds it in nearly instantly at ply 8 so perhaps there's a problem with my verified null move logic somewhere? Andy.
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