Author: Georg v. Zimmermann
Date: 10:37:44 06/27/02
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On June 27, 2002 at 13:20:56, Roy Eassa wrote: >On June 27, 2002 at 09:40:40, Georg v. Zimmermann wrote: > >>Hi, >> >>another not-so-trivial is >> >>WAC 213 >> >>[D]3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - bm Rxh7+ >> >> >> >>How long does it take your program and the top to see that Rxh7+ is a mate in 15 >>( at least thats what Sunsetter says ) ? >> > > >How can white shorten this mate, which takes 18 moves? : > >1.Rxh7+ Kxh7 2.Qh5+ Kg8 3.Rxg7+ Kxg7 4.Bh6+ Kh7 5.Bg5+ Kg7 6.Qh6+ Kf7 >7.Qf6+ Kg8 8.Qg6+ Kh8 9.Bf6+ Rxf6 10.exf6 Qxe1+ 11.Kxe1 Nc2+ 12.Kf1 Ne3+ >13.fxe3 Rd7 14.Qe8+ Kh7 15.Qxd7+ Ne7 16.Qxe7+ Kh6 17.Qg7+ Kh5 18.Qg5# I think white can't, you are right. Move 6 and 7 can get lost because of HT.
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