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Subject: Re: Mate in 20 Moves

Author: Tony Werten

Date: 05:07:55 01/27/06

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On January 26, 2006 at 10:21:17, Eduard Nemeth wrote:

>Matt in 20 moves, composition by Eduard Nemeth 2002:
>
>[D]B2k4/KPpP4/n1Pb4/P5p1/5p2/5P2/8/8 b - - 0 1
>
>Analysis by Rybka 1.01 Beta 13 32-bit:
>
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 Lf6
>  =  (0.00)   Tiefe: 27   00:01:01  1464kN
>1...Sb8 2.Kxb8 Lc5 3.a6 Ld4 4.a7 g4 5.fxg4 f3 6.g5 f2 7.g6 f1D 8.g7
>  -+  (-319.61)   Tiefe: 28   00:02:49  2968kN
>
>(Nemeth, Privat 26.01.2006)
>
>Rybka 1.01 Beta 13 finds it on my slow PC after 2:49.
>
>Which says other programs?

XiniX likes this stuff: 6 secs on a PM1.7.

18 00:01 +7,82	1. ... Nb8 2. Kxb8 Bc5 3. a6 Bd4 4. a7 g4 5. fxg4 f3 6. g5 f2 7.
g6 f1Q 8. g7 Bxa7+ 9. Kxa7 Qa1+ 10. Kb8 Qxg7 11. Ka7 Qa1+ 12. Kb8 Qb2 13. Ka7
Qb6+ 14. Kb8 Qxc6 15. Ka7 Qb6+ 16. Kb8 Kxd7

19 00:02 +7,80	1. ... Nb8 2. Kxb8 Bc5 3. a6 Bd4 4. a7 g4 5. fxg4 f3 6. g5 f2 7.
g6 f1Q 8. g7 Bxa7+ 9. Kxa7 Qa1+ 10. Kb8 Qxg7 11. Ka7 Qa1+ 12. Kb8 Qb2 13. Ka7
Qb6+ 14. Kb8 Qxc6 15. Ka7 Qa4+ 16. Kb8 Qxd7 17. Ka7 Qd4+ 18. Kb8

20 00:02 +7,80	1. ... Nb8 2. Kxb8 Bc5 3. a6 Bd4 4. a7 g4 5. fxg4 f3 6. g5 f2 7.
g6 f1Q 8. g7 Bxa7+ 9. Kxa7 Qa1+ 10. Kb8 Qxg7 11. Ka7 Qa1+ 12. Kb8 Qb2 13. Ka7
Qb6+ 14. Kb8 Qxc6 15. Ka7 Qa4+ 16. Kb8 Qxd7 17. Ka7 Qd4+ 18. Kb8

21 00:04 +7,94	1. ... Nb8 2. Kxb8 Bc5 3. a6 Bd4 4. a7 g4 5. fxg4 f3 6. g5 f2 7.
g6 f1Q 8. g7 Bxa7+ 9. Kxa7 Qa1+ 10. Kb8 Qxg7 11. Ka7 Qa1+ 12. Kb8 Qb2 13. Ka7
Qb6+ 14. Kb8 Qxc6 15. Ka7 Qa4+ 16. Kb8 Qxd7 17. Ka7 Qd4+ 18. Kb8 Kd7

22 00:06 +M20	1. ... Nb8 2. Kxb8 Bc5 3. a6 Bd4 4. a7 g4 5. fxg4 f3 6. g5 f2 7.
g6 f1Q 8. g7 Bxa7+ 9. Kxa7 Qa1+ 10. Kb8 Qxg7 11. Ka7 Qa1+ 12. Kb8 Qb2 13. Ka7
Qb6+ 14. Kb8 Qxc6 15. Ka7 Qa4+ 16. Kb8 Qxd7 17. Ka7 Qd4+ 18. Kb8 Ke7 19. Kxc7
Qd6+ 20. Kc8





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