Author: Robert Hyatt
Date: 20:13:39 07/19/04
Go up one level in this thread
On July 19, 2004 at 08:57:39, Tom Brake wrote:
>[D]r1b2R1R/pp1k4/8/P3p3/2n5/6P1/4KP2/8 w - - 0 31
>
>31. g4 wins.
Crafty finds the right move quickly, a winning score takes a little longer...
12 2.16 -1.80 1. Rf6 Kc7 2. Rh7+ Bd7 3. a6 bxa6 4.
Rxa6 Nb6 5. Ke3 Kc6 6. Ke4 Kd6 7. f4
Bc6+ 8. Kf5 (s=8)
12 5.35 -1.50 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6
12-> 5.35 -1.50 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6
13 6.38 -1.44 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4
13-> 7.64 -1.44 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4 (s=2)
14 11.01 -1.24 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4 exf4 10. Kxf4
14-> 12.53 -1.24 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4 exf4 10. Kxf4
15 17.75 -1.24 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4 exf4 10. Kxf4
15-> 24.67 -1.24 1. g4 Kc7 2. g5 Bg4+ 3. Kd3 Rxf8 4.
Rxf8 Nd6 5. g6 Bf5+ 6. Rxf5 Nxf5 7.
Ke4 Ne7 8. g7 Kd6 9. f4 exf4 10. Kxf4
(s=2)
16 35.98 +1 1. g4!!
16 48.28 -0.73 1. g4 Kc7 2. g5 Bg4+ 3. Ke1 Rxf8 4.
Rxf8 Nxa5 5. g6 Be6 6. g7 Nc4 7. Ke2
a5 8. Re8 Bd5 9. g8=Q Bxg8 10. Rxg8
16-> 55.12 -0.73 1. g4 Kc7 2. g5 Bg4+ 3. Ke1 Rxf8 4.
Rxf8 Nxa5 5. g6 Be6 6. g7 Nc4 7. Ke2
a5 8. Re8 Bd5 9. g8=Q Bxg8 10. Rxg8
ok.
17 2:25 +1 1. g4!!
17 4:29 +3 1. g4!!
17 6:29 1.55 1. g4 Kc7 2. Ke1 e4 3. Rf7+ Kd6 4.
Rf6+ Ke5 5. Rff8 b6 6. g5 bxa5 7. g6
Rb8 8. Rxc8 Rb1+ 9. Ke2 Rb2+ 10. Kd1
Rb1+ 11. Kc2 Rb4 12. Rc7
17-> 6:40 1.55 1. g4 Kc7 2. Ke1 e4 3. Rf7+ Kd6 4.
Rf6+ Ke5 5. Rff8 b6 6. g5 bxa5 7. g6
Rb8 8. Rxc8 Rb1+ 9. Ke2 Rb2+ 10. Kd1
Rb1+ 11. Kc2 Rb4 12. Rc7
White(1): ?
time=6:52 cpu=394% mat=-1 n=3276464533 fh=89% nps=7.95M
>
>CM9K (Athlon 1200) took its sweet time finding and needs a little longer to give
>it a correct score
>
>Time Depth Score Positions Moves
>0:00 1/4 0.17 7009 31.a6 Kc7 32.f3 b5 33.Rf7+ Kb6
>0:00 1/4 0.22 7866 31.Re8 Kc7 32.f3 b5 33.axb6ep+ axb6
>0:00 1/5 -0.08 14807 31.Re8 Kc7 32.f3 Nxa5 33.Rxe5 Nc6
>0:00 1/5 0.17 20954 31.a6 b5 32.f3 Kc7 33.Rf7+ Kb6
>0:00 1/6 0.04 54261 31.a6 b6 32.f3 Nd6 33.Rh7+ Kc6
> 34.Kf2 Kd5
>0:00 1/7 0.13 119223 31.a6 b6 32.f3 Nd6 33.Rh7+ Kc6
> 34.Kf2 Kd5 35.g4
>0:02 1/8 -0.05 376204 31.a6 b5 32.g4 b4 33.g5 Nd6 34.Rh7+
> Kc6 35.Ke3 Kd5
>0:08 2/9 -0.20 1174317 31.a6 bxa6 32.g4 Nd6 33.g5 Ke7
> 34.Ke3 Rb8 35.f4 Rb3+ 36.Ke2
>0:25 3/10 -0.24 3531337 31.a6 b5 32.f3 b4 33.Rf6 Kc7 34.Rh7+
> Bd7 35.Rh4 Nd6 36.Rxb4 Bb5+ 37.Kf2
> Bxa6
>0:53 4/11 -0.24 7744943 31.a6 b5 32.f3 b4 33.Rf6 Kc7 34.Rh7+
> Bd7 35.Rh4 Nd6 36.Rxb4 Bb5+ 37.Kf2
> Bxa6
>1:25 4/11 0.16 12770215 31.g4 Nxa5 32.g5 Kc7 33.Ke1 Nc6
> 34.g6 Rb8 35.g7 Be6 36.Rxb8 Nxb8
> 37.g8=Q Bxg8 38.Rxg8
>2:03 5/12 1.12 19000934 31.g4 Nxa5 32.g5 Nc6 33.g6 Nd4+
> 34.Ke3 Ne6 35.Rf7+ Kd6 36.Rf6 Kc5
> 37.Rxe6 Bxe6 38.Rxa8
>
>Fritz 8 (Athlon 1200) finds it quickly but doesn't realise it's winning until
>late.
>
>Analysis by Fritz 8:
>1.f4 b6 2.a6 Nd6 3.Ke3 Ke6
> -+ (-0.81) Depth: 6/19 00:00:00 133kN
>1.f4 exf4 2.gxf4 Nxa5 3.Rh7+ Kd6 4.Rd8+ Kc6 5.Rh6+ Kc7 6.Rd5 Bg4+
> -+ (-0.87) Depth: 7/24 00:00:00 247kN
>1.f4 b5 2.f5 b4 3.Rh7+ Kc6 4.Rxc8+ Rxc8 5.Rxa7
> -+ (-0.75) Depth: 8/22 00:00:01 683kN
>1.f4 exf4 2.gxf4 Nxa5 3.Kd3 b5 4.Kc3 Nc4 5.Rd8+ Kc7 6.f5
> -+ (-0.91) Depth: 9/24 00:00:03 1529kN
>1.f4 exf4 2.gxf4 Nxa5 3.Kd3 Nc6 4.Kc4 a5 5.f5 a4 6.f6
> -+ (-0.94) Depth: 10/24 00:00:06 3256kN
>1.g4!
> -+ (-0.91) Depth: 10/27 00:00:09 5162kN
>1.g4!
> =+ (-0.75) Depth: 10/27 00:00:10 5527kN
>1.g4!
> =+ (-0.47) Depth: 11/28 00:00:13 7476kN
>1.g4!
> = (-0.19) Depth: 12/29 00:00:25 14786kN
>1.g4!
> = (0.09) Depth: 13/33 00:00:53 32018kN
>1.g4 Kc7 2.Ke1 Nxa5 3.g5 Nc6 4.g6 Rb8 5.g7 Be6 6.Rxb8 Nxb8 7.Re8 Bd5 8.g8Q Bxg8
> = (0.13) Depth: 14/37 00:01:49 67816kN
>1.g4!
> += (0.41) Depth: 15/44 00:04:25 161742kN
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