Author: leonid
Date: 14:01:19 02/01/01
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On February 01, 2001 at 14:39:31, Hans Havermann wrote: >On February 01, 2001 at 09:32:24, leonid wrote: > >[D]1NrkrN2/RRbbqRR1/qBnqrnq1/nn2nBn1/1NQNQN2/3Q4/3Q4/3K4 w - - > >MacChess (5.0.1) running on an old G3 takes about an hour to come up with this >mate in 9: > >1. Nf4xe6+ Nxe6 2. Nfxe6+ Qexe6 3. Rxd7+ Nexd7 4. Nb4xc6+ Nxc6 5. Nbxc6+ Qxc6 >6. Nxc6+ Qxc6 7. Rxd7+ Nxd7 8. Qxd7+ Qxd7 9. Qxd7# 1-0 Was not able to find anything by selective in 9. Selective in 10 solved in 9 seconds. Position is not that simple for my program. Only brute force can do final work but it will be long. Leonid.
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