Author: Christoph Fieberg
Date: 11:44:47 07/11/01
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On July 10, 2001 at 16:35:23, leonid wrote: >On July 10, 2001 at 13:43:14, Heiner Marxen wrote: > >>On July 10, 2001 at 06:59:18, leonid wrote: >> >>>Hi! >>> >>>If you would like to solve one mate, you can look into this position: >>> >>>[D]r2k3r/BPb1qbPB/q2qq2q/1Nn2nN1/qQQQQQQq/8/q1RRQ2q/3K4 w - - >>> >>>Please indicate your result. >>> >>>Thanks, >>>Leonid. >> >>Hello Leonid, >> >>According to Chest this is a mate in 10, with one solution move: > >Good! I had only solution for 11 moves that I found by selective. My brute force > was not that quick here and took at 8 moves already 2 hours and 33 min. >Your finding was very handy for me. > >Cheers, >Leonid. > >>PV: Qdxd6+ Q7xd6 Nxe6+ Qxe6 gxh8=Q+ Kd7 Qexe6+ Bxe6 Qexe6+ Nxe6 Qxc7+ Nxc7 Rxd6+ >>Ke7 Rb6+ Nd6 Qbxd6# >> >>As always, this was done on a K7/600 with 350 MB hash, and used 26.8 minutes. >> >>Cheers, >>Heiner Interesting position. However, it is not legal (I mean you can not reach it from the start position). 4 pieces at least have to be hit in case you want to have 18 queens on the board. Regards, Christoph
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