Author: Kim Roper Jensen
Date: 10:46:11 03/26/05
Hi
From a game i played against a friend over the board, we came to this pawn
endgame
[D] 8/1p1k4/5p2/2Pp2p1/P2P3p/8/6PP/6K1 w - - 0 1
and looked at it after the game briefly. Later I looked at it with scid/crafty
19.19(amd64 3500+, 368M hash, 64 bit linux, bench at the end of post) and crafty
lacking egtb had some time seeing that its won - how fast does other programs
see this ?
clearing hash tables
time surplus 9:30 time limit 1:00 (5:00)
depth time score variation (1)
10 0.05 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
a5 Kc6 5. Kf3 Kb5
10-> 0.07 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
a5 Kc6 5. Kf3 Kb5
11 0.12 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. a5 Kc6 6. Ke3
11-> 0.14 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. a5 Kc6 6. Ke3
12 0.23 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. a5 Kc6 6. Ke3 Kb5
12-> 0.26 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. a5 Kc6 6. Ke3 Kb5
13 0.43 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. Ke3 Kc6 6. h3 f4+ 7. Kf3
Kc7
13-> 0.46 0.00 1. Kf2 Kc6 2. Kf3 f5 3. Ke3 Kc7 4.
Kf3 Kd7 5. Ke3 Kc6 6. h3 f4+ 7. Kf3
Kc7
14 1.08 0.00 1. Kf2 Kc6 2. Ke3 f5 3. Kd3 Kd7 4.
Ke2 Kc7 5. Kf3 b6 <HT>
14-> 1.13 0.00 1. Kf2 Kc6 2. Ke3 f5 3. Kd3 Kd7 4.
Ke2 Kc7 5. Kf3 b6 <HT>
15 1.72 0.00 1. Kf2 Kc6 2. Ke3 f5 3. Kd3 Kd7 4.
Ke2 Kc7 5. Kf3 b6 <HT>
15-> 1.87 0.00 1. Kf2 Kc6 2. Ke3 f5 3. Kd3 Kd7 4.
Ke2 Kc7 5. Kf3 b6 <HT>
16 4.99 -1 1. Kf2
16 5.93 -0.40 1. Kf2 f5 2. g3 hxg3+ 3. Kxg3 f4+ 4.
Kg4 Kc6 5. a5 Kb5 6. h4 f3 7. Kxf3
gxh4 8. Kg4 Kxa5 9. Kxh4 b5 10. cxb6
Kxb6
16-> 6.08 -0.40 1. Kf2 f5 2. g3 hxg3+ 3. Kxg3 f4+ 4.
Kg4 Kc6 5. a5 Kb5 6. h4 f3 7. Kxf3
gxh4 8. Kg4 Kxa5 9. Kxh4 b5 10. cxb6
Kxb6
17 8.55 -0.30 1. Kf2 f5 2. g3 hxg3+ 3. Kxg3 f4+ 4.
Kg4 Kc6 5. h4 f3 6. Kxf3 gxh4 7. Kg4
b6 8. cxb6 Kxb6 9. Kxh4 Ka5 10. Kg5
Kxa4 11. Kf4
17-> 8.67 -0.30 1. Kf2 f5 2. g3 hxg3+ 3. Kxg3 f4+ 4.
Kg4 Kc6 5. h4 f3 6. Kxf3 gxh4 7. Kg4
b6 8. cxb6 Kxb6 9. Kxh4 Ka5 10. Kg5
Kxa4 11. Kf4
18 15.95 -0.40 1. Kf2 f5 2. h3 Kc6 3. g3 hxg3+ 4.
Kxg3 f4+ 5. Kg4 b6 6. cxb6 Kxb6 7.
h4 gxh4 8. Kxh4 Ka5 9. Kg4 Kxa4 10.
Kxf4 Kb5 11. Kf5 Kb4
18-> 16.17 -0.40 1. Kf2 f5 2. h3 Kc6 3. g3 hxg3+ 4.
Kxg3 f4+ 5. Kg4 b6 6. cxb6 Kxb6 7.
h4 gxh4 8. Kxh4 Ka5 9. Kg4 Kxa4 10.
Kxf4 Kb5 11. Kf5 Kb4
19 23.65 -0.40 1. Kf2 f5 2. h3 Kc6 3. g3 hxg3+ 4.
Kxg3 f4+ 5. Kg4 b6 6. cxb6 Kxb6 7.
h4 f3 8. Kxf3 gxh4 9. Kg4 Ka5 10. Kxh4
Kxa4 11. Kg5 Kb3 12. Kf4
19-> 23.98 -0.40 1. Kf2 f5 2. h3 Kc6 3. g3 hxg3+ 4.
Kxg3 f4+ 5. Kg4 b6 6. cxb6 Kxb6 7.
h4 f3 8. Kxf3 gxh4 9. Kg4 Ka5 10. Kxh4
Kxa4 11. Kg5 Kb3 12. Kf4
20 31.31 -1 1. Kf2
20 46.61 -1.20 1. Kf2 f5 2. h3 Kc7 3. Kf3 b6 4. cxb6+
Kxb6 5. g3 hxg3 6. Kxg3 Ka5 7. h4 gxh4+
8. Kxh4 Kxa4 9. Kg5 Kb3 10. Kxf5 Kc3
11. Ke5 Kc4 12. Ke6 Kxd4
20-> 50.68 -1.20 1. Kf2 f5 2. h3 Kc7 3. Kf3 b6 4. cxb6+
Kxb6 5. g3 hxg3 6. Kxg3 Ka5 7. h4 gxh4+
8. Kxh4 Kxa4 9. Kg5 Kb3 10. Kxf5 Kc3
11. Ke5 Kc4 12. Ke6 Kxd4
time=1:00 cpu=95% mat=0 n=128643783 fh=96% nps=2.14M
ext-> chk=6345394 cap=594057 pp=3211410 1rep=221334 mate=1489
predicted=0 nodes=128643783 evals=36635393 50move=0
endgame tablebase-> probes=0 hits=0
SMP-> split=0 stop=0 data=0/128 cpu=57.06 elap=1:00
craftybench
-----------
Crafty v19.19 (1 cpus)
White(1): bench
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 2058758
Total elapsed time: 47
SMP time-to-ply measurement: 13.617021
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
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