Author: John Merlino
Date: 12:11:54 02/17/02
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On February 17, 2002 at 14:27:33, Bob Basham wrote: >In this position my new Fritz7 program announced a mate in 15, >beginning with 1. Nxh6+..., etc. > >[D]r1b2rk1/pp2bpp1/4p2p/2q4Q/5nNB/2PB4/PP3PP1/2KR3R w - - > >Unbelievable! > >I accidently made this up when I omited a white pawn at h2....:-) Chessmaster 8000 says Mate in 9 after 4 seconds on my PIII-733. I suspect that this is the shortest mate, since a 3+ minute search did not find anything shorter: Time Depth Score Positions Moves 0:00 1/3 1.67 6795 1. Nxh6+ gxh6 2. Qxh6 f5 3. Qh8+ Kxh8 4. Bxe7+ Kg7 5. Bxc5 Nxd3+ 6. Rxd3 0:00 1/4 9.19 30164 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Qxf4 Kg8 7. Rxh5 0:02 2/5 13.54 89756 1. Nxh6+ gxh6 2. Qxh6 f5 3. Bf6 Kf7 4. Qg7+ Ke8 5. Bb5+ Bd7 6. Bxd7+ Kd8 7. Bxe7+ Qxe7 8. Bxe6+ Ke8 9. Bd7+ Kd8 10. Ba4+ Kc8 11. Qxe7 0:02 2/6 Mate11 170043 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Qxf4 Kg8 7. Rxh5 f6 8. Qg3+ Kf7 9. Rh7+ Ke8 10. Qg6+ Rf7 11. Qxf7# 0:04 3/7 Mate09 278811 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Rxh5+ Nxh5 7. Rh1 Kg8 8. Rxh5 Bd7 9. Qh8# 0:06 3/8 Mate09 593266 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Rxh5+ Nxh5 7. Rh1 Kg8 8. Rxh5 Bd7 9. Qh8# 0:15 4/9 Mate09 1687636 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Rxh5+ Nxh5 7. Rh1 Kg8 8. Rxh5 Bd7 9. Qh8# 0:50 4/10 Mate09 6371363 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Rxh5+ Nxh5 7. Rh1 Kg8 8. Rxh5 Bd7 9. Qh8# 3:05 5/11 Mate09 24090743 1. Nxh6+ gxh6 2. Qxh6 Qh5 3. Bh7+ Kh8 4. Bf6+ Bxf6 5. Qxf6+ Kxh7 6. Rxh5+ Nxh5 7. Rh1 Kg8 8. Rxh5 Bd7 9. Qh8# jm
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