Author: Dann Corbit
Date: 10:59:29 01/31/01
Go up one level in this thread
On January 31, 2001 at 13:28:30, leonid wrote:
>Hi!
>
>If you like to solve forced mate, here is the position.
>
>[D]2Q1N1qq/rQ2NPnP/r3qpqk/1Rb1n1qp/3N1nb1/1q1Q1B1R/2QB4/2R1K2R w - -
>
>Please indicate your result... even if your program failed.
Don't know if it is the shortest mate, but crafty found a checkmate in 12
minutes, and guessed the key move right away:
White(1): epdpfga ep.out epp.out
PFGA: EPD record: 1
time surplus 0.00 time limit 16:39 (16:39) [easy move]
nss depth time score variation (1)
1 0.62 8.93 1. hxg8=N+ Kh7 2. Qxg6+ Nxg6+ 3. Nxe6
Rxe6+
1-> 0.71 8.93 1. hxg8=N+ Kh7 2. Qxg6+ Nxg6+ 3. Nxe6
Rxe6+
2 1.22 ++ 1. hxg8=N+!!
2 6.79 14.84 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Qxg6+
Nxg6+ 4. Nxe6 <HT>
2-> 6.94 14.84 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Qxg6+
Nxg6+ 4. Nxe6 <HT>
3 29.90 -- 1. hxg8=N+
3 1:19 14.13 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh8 4. Qdxb3 Qxc8 <HT>
3-> 1:22 14.13 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh8 4. Qdxb3 Qxc8 <HT>
4 2:07 -- 1. hxg8=N+
4 6:13 13.90 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh6 4. Qxg6+ Nxg6+ 5. Nxe6 Qxe6+ 6.
Qxe6 Rxe6+ 7. Qbe4 Bxf3 8. Rxf3 Rxe4+
9. Qxe4 <HT>
4-> 6:38 13.90 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh6 4. Qxg6+ Nxg6+ 5. Nxe6 Qxe6+ 6.
Qxe6 Rxe6+ 7. Qbe4 Bxf3 8. Rxf3 Rxe4+
9. Qxe4 <HT>
5 6:43 ++ 1. hxg8=N+!!
5 11:27 26.26 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh6 4. Ng8+ <HT>
5-> 11:28 26.26 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Ngxf6+
Kh6 4. Ng8+ <HT>
6 11:37 ++ 1. hxg8=N+!!
6 11:55 Mat12 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Nexf6+
Qgxf6 4. Nxf6+ Qxf6 5. Qg8+ Kh6 6.
Qh8+ Kg5 7. Qxg6+ Qxg6 8. Bxf4+ Kxf4
9. Qh6+ Qxh6 10. Qd2+ Qe3+ 11. Qxe3+
Kxe3 12. Qe4# <HT>
6-> 11:58 Mat12 1. hxg8=N+ Qxg8 2. Nxg8+ Kh7 3. Nexf6+
Qgxf6 4. Nxf6+ Qxf6 5. Qg8+ Kh6 6.
Qh8+ Kg5 7. Qxg6+ Qxg6 8. Bxf4+ Kxf4
9. Qh6+ Qxh6 10. Qd2+ Qe3+ 11. Qxe3+
Kxe3 12. Qe4# <HT>
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