Author: Ignacio Santos Crespo
Date: 05:16:10 04/21/02
Go up one level in this thread
On April 20, 2002 at 20:31:51, Keith Ian Price wrote: >On April 20, 2002 at 19:23:45, Dan Ellwein wrote: > >>On April 20, 2002 at 12:56:06, Art Basham wrote: >> >>>White wins by Rg8..! (good test move)... >>> >>>[D]3R4/5r1p/5ppk/8/1Q3PPq/5P2/6K1/8 w - - bm Rg8; id Quick-08; >> >>on a 400Mhz Celeron computer CMLite finds mate in 10 in >>8 min 19 sec... >> >>Time Depth Score Positions Moves >>0:30 2/12 4.33 1734035 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 >> Rd7 4. Kg2 Kf7 5. Kf2 Re7 6. Qc4+ >> Kg7 7. Qc5 Kf8 8. Kg3 >>8:19 2/12 Mate13 27360287 1. Rg8 f5 2. g5+ Kh5 3. Qd6 Qxg5+ >> 4. fxg5 Kxg5 5. f4+ Kg4 6. Qd3 >> Kxf4 7. Qg3+ Ke4 8. Rd8 f4 9. Qd3+ >> Ke5 10. Rd5+ Kf6 11. Qd4+ Ke7 12. >> Qe5+ Kf8 13. Rd8# > > >Actually, it seems to find a Mate in 13. So is this problem a Mate in 13, or is >there a solution for the Mate in 10? John Merlino earlier posted CM's solution, >which was also a Mate in 13. So perhaps this is a Mate in 13. Anyone found a >Mate in 10? > >kp On a 1200 Mhz Athlon, CM Lite finds mate in 10 in 13 min 55 sec Time Depth Score Positions Moves 0:00 1/5 4.17 20654 1. Rd1 f5 2. Rh1 Qxh1+ 3. Kxh1 fxg4 4. fxg4 0:00 1/6 4.14 28956 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rc7 4. Qd2 f5 5. Kg2 0:00 1/7 4.10 48598 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 h5 4. Kg2 h4 5. Qb5 Rc7 0:00 1/8 4.10 113078 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rc7 4. Kg1 h5 5. Qe1 hxg4 6. fxg4 0:01 1/9 4.22 202405 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rc7 4. Kg2 Rc2+ 5. Kg1 f5 6. Qe7+ Kg8 7. Qe6+ Kg7 8. Qd7+ Kg8 9. gxf5 0:02 1/10 4.27 424611 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rd7 4. Kg2 h5 5. Kg3 hxg4 6. fxg4 Rd3+ 7. Kf2 0:04 1/11 4.31 842292 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rd7 4. Kg2 Kf7 5. Kf2 f5 6. Qc4+ Kg7 7. Ke3 h6 8. Qe6 0:08 2/12 4.33 1726880 1. Rd1 Kg7 2. Rh1 Qxh1+ 3. Kxh1 Rd7 4. Kg2 Kf7 5. Kf2 Re7 6. Qc4+ Kg7 7. Qc5 Kf8 8. Kg3 1:35 2/12 Mate13 22034536 1. Rg8 f5 2. g5+ Kh5 3. Qd6 Qxg5+ 4. fxg5 Kxg5 5. f4+ Kg4 6. Qd3 Kxf4 7. Qg3+ Ke4 8. Rd8 f4 9. Qd3+ Ke5 10. Rd5+ Kf6 11. Qd4+ Ke7 12. Qe5+ Kf8 13. Rd8# 1:39 3/13 Mate12 22973751 1. Rg8 f5 2. g5+ Kh5 3. Qd6 Qxg5+ 4. fxg5 Kxg5 5. Qd8+ Rf6 6. f4+ Kxf4 7. Qc7+ Ke3 8. Rd8 Ke4 9. Qc4+ Ke5 10. Qd4+ Ke6 11. Qd6+ Kf7 12. Qd7# 2:01 4/14 Mate12 29500824 1. Rg8 f5 2. g5+ Kh5 3. Qd6 Qxg5+ 4. fxg5 Kxg5 5. Qd8+ Rf6 6. f4+ Kxf4 7. Qc7+ Ke3 8. Rd8 Ke4 9. Qc4+ Ke5 10. Qd4+ Ke6 11. Qd6+ Kf7 12. Qd7# 7:49 5/15 Mate11 124305307 1. Rg8 f5 2. g5+ Qxg5+ 3. fxg5+ Kxg5 4. Qd6 f4 5. Qd8+ Kf5 6. Re8 Ra7 7. Kh3 Rd7 8. Qxd7+ Kg5 9. Qg4+ Kh6 10. Rg8 g5 11. Qxg5# 13:55 6/16 Mate10 233051199 1. Rg8 f5 2. g5+ Qxg5+ 3. fxg5+ Kxg5 4. Qd6 f4 5. Kh3 Rf5 6. Qe7+ Rf6 7. Rf8 Kh5 8. Qxf6 g5 9. Qg7 g4+ 10. fxg4#
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