Author: Ernst Walet
Date: 11:50:19 04/21/02
Go up one level in this thread
On April 21, 2002 at 14:08:55, John Merlino wrote: >On April 21, 2002 at 11:27:05, Ferdinand S. Mosca wrote: > >> >>Hello, >> >>White to play and win. How long will your favorite engines like 1. Qxe5? >> >>Regards, >>Dinan >> >>8/8/5kp1/4qp1p/1P6/2Q3P1/5P2/6K1 w - - 0 47 > >Chessmaster 8000 (default personality), on a PIII-733, takes 4:22 to see that >Qxe5 is better: > >Time Depth Score Positions Moves >0:00 1/4 1.52 4090 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qd8+ Ke6 >0:00 2/5 1.56 12023 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qd8+ Ke6 51.Qe8+ Kf6 >0:00 3/6 1.56 32493 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qd8+ Ke6 51.Qe8+ Kf6 >0:01 4/7 1.51 88685 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qb6+ Kf7 51.Qb7+ Kf8 52.Qa8+ > Ke7 >0:02 5/8 1.42 270100 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qb6+ > Kf7 50.b5 f4 51.Qc6 Qe1+ 52.Kg2 > fxg3 53.fxg3 >0:07 6/9 1.38 765295 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qb6+ Kg7 51.b5 f4 52.Qa7+ > Kh6 53.b6 fxg3 >0:21 7/10 1.38 2272894 47.Qc6+ Qe6 48.Qc5 Qe7 49.Qd4+ > Qe5 50.Qb6+ Kg7 51.b5 f4 52.Qa7+ > Kh6 53.b6 fxg3 >1:08 8/11 1.42 7344709 47.Qc6+ Qe6 48.Qc5 Qe5 49.Qf8+ > Ke6 50.Qe8+ Kd5 51.Qxg6 Kc4 52.Qb6 > f4 53.gxf4 Qxf4 54.Qc5+ Kd3 55.Qd5+ > Qd4 >3:14 9/12 1.35 20860120 47.Qc6+ Qe6 48.Qc5 Qe5 49.Qf8+ > Ke6 50.Qe8+ Kf6 51.Qh8+ Ke6 52.Qc8+ > Kf6 53.Qa6+ Kg7 54.b5 f4 55.Kh2 > fxg3+ 56.fxg3 Qe2+ 57.Kg1 Qe3+ > 58.Kg2 >4:22 9/12 1.63 27579125 47.Qxe5+ Kxe5 48.f4+ Kd5 49.Kg2 > Kc4 50.Kh3 Kxb4 51.Kh4 Kc5 52.Kg5 > Kd5 53.Kxg6 Ke4 54.Kxh5 Kd5 55.Kg5 > >jm Celeron 1200, 256MB hash, SS=10: 47 seconds. Ernst. Time Depth Score Positions Moves 0:00 1/6 1.56 24424 1. Qc6+ Qe6 2. Qc5 Qe7 3. Qd4+ Qe5 4. Qd8+ Ke6 5. Qe8+ Kf6 0:00 1/7 1.51 54675 1. Qc6+ Qe6 2. Qc5 Qe7 3. Qd4+ Qe5 4. Qb6+ Kf7 5. Qb7+ Kf8 6. Qa8+ Ke7 0:01 1/8 1.42 143389 1. Qc6+ Qe6 2. Qc5 Qe7 3. Qb6+ Kf7 4. b5 f4 5. Qc6 Qe1+ 6. Kg2 fxg3 7. fxg3 0:02 2/9 1.38 388485 1. Qc6+ Qe6 2. Qc5 Qe7 3. Qd4+ Qe5 4. Qb6+ Kg7 5. b5 f4 6. Qa7+ Kh6 7. b6 fxg3 0:05 3/10 1.38 911883 1. Qc6+ Qe6 2. Qc5 Qe7 3. Qd4+ Qe5 4. Qb6+ Kg7 5. b5 f4 6. Qa7+ Kh6 7. b6 fxg3 0:15 4/11 1.36 2727669 1. Qc6+ Qe6 2. Qc5 Qe5 3. Qb6+ Kf7 4. b5 f4 5. Qb7+ Kf8 6. b6 fxg3 7. Qa8+ Kg7 8. Qa7+ Kf6 0:37 5/12 1.31 6744181 1. Qc6+ Qe6 2. Qc5 Qe5 3. Qb6+ Kf7 4. b5 f4 5. Qb7+ Kf8 6. gxf4 Qxf4 7. Qc8+ Ke7 8. b6 Qg5+ 9. Kh2 Qf4+ 10. Kg2 h4 0:47 5/12 1.63 8777318 1. Qxe5+ Kxe5 2. f4+ Kd5 3. Kg2 Kc4 4. Kh3 Kxb4 5. Kh4 Kc5 6. Kg5 Kd5 7. Kxg6 Ke4 8. Kxh5 Kd5 9. Kg5 0:48 6/13 1.63 8972383 1. Qxe5+ Kxe5 2. f4+ Kd5 3. Kg2 Kc4 4. Kh3 Kxb4 5. Kh4 Kc5 6. Kg5 Kd5 7. Kxg6 Ke4 8. Kxh5 Kd5 9. Kg5
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