Author: Steve Timson
Date: 02:49:44 01/24/02
Go up one level in this thread
Chester finds it in 2.17 seconds on my athlon 1200.
0.04s 5 12836 +0.93 1. Bxf8 Rxf8 2. Bg2 h5 3. Qf4 g5
0.06s 5 18822 +1.18 1. Bg5 h5 2. Qh4 Be7 3. Bxe7 Qxe7
0.08s 5f 26432 +1.18 1. Bg5 h5 2. Qh4 Be7 3. Bxe7 Qxe7
0.17s 6 56856 +1.05 1. Bg5 Qd6 2. Bf6 h5 3. Qf4 Qxf4 4. gxf4
0.24s 6f 77411 +1.05 1. Bg5 Qd6 2. Bf6 h5 3. Qf4 Qxf4 4. gxf4
0.42s 7 139485 +0.74 1. Bg5 Be7 2. Bxe7 Qxe7 3. Qf3 O-O-O 4.
Bxc6 Rxd4
1.02s 7 358732 +0.99 1. Bxf8 Rxf8 2. Qf3 Qc7 3. Qf6 Qd8 4. Qe5
1.02s 7f 358732 +0.99 1. Bxf8 Rxf8 2. Qf3 Qc7 3. Qf6 Qd8 4. Qe5
1.27s 8 447089 +0.64 1. Bxf8 Rxf8 2. Qf3 Qc7 3. Qf6 Qe7 4. Qg7
O-O-O 5. Qxh7 Rxd4 6.Bxg6
1.77s 8 635405 +0.74 1. Bg5 Be7 2. Bxe7 Qxe7 3. Qf3 O-O-O 4.
Bxc6 Rxd4 ...
2.17s 8 765990 +1.49 1. Bxc6+(FH)
2.40s 8 832577 +1.35 1. Bxc6+ Bxc6 2. Rxe6+ Kd7 3. Re7+ Kxe7
4. Re1+ Kd6 5. Bf4+ Kd5 6. Qf3+ Kc4 7. Qb3+ Kxd4 8. Qc3+ Kd5 9. Re5+ Kd6 10.
Re8+ Kd5 11. Rxd8+ Rxd8 12. Qxh8
It continues to fail high from then on evetually settling on the following pv:
20.19s 10 6278799 +3.03 1. Bxc6+ Bxc6 2. Rxe6+ fxe6 3. Qxe6+ Be7 4.
Qxc6+ Kf7 5. Re1 Rc8 6. Qe6+ Ke8 7. d5 Rf8 8. d6 Rf7 9. dxe7 Qd7 10. Qe4 Rxe7
I guessed that singular extensions were helping, so I turned them off and tried
it again. It then took 10 seconds and depth 10 to see it.
10.39s 10 3299855 +1.07 1. Bxc6+ Bxc6 2. Rxe6+ fxe6 3. Qxe6+ Be7
4. Qxc6+ Kf7 5. Qf3+ Bf6 6. Qb3+ Ke8 7. Re1+ Kd7 8. Qc4
- Steve
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