CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 1.7.1 64-bit 4CPU (3102+18
−18
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 4 64-bit 4CPU3145+10
−10
(+43)35.5 − 51.5
(+6−22=59)
40.8%
35.5 / 87
0.0%
−7
0 = 0 = = = 0 = 0 1 = = = = = = 0 = 0 = = = = = = = = = 0 = = = 1 0 = 1 = = 0 = = = 0 = = = 0 0 0 = 0 = = = 0 = = = = = 0 = = = = = = 1 0 = 0 1 = = = = 1 0 = = = = 0 0 0 = =
–   Rybka 4.1 64-bit 4CPU3142+9
−9
(+40)10 − 22
(+2−14=16)
31.3%
10.0 / 32
0.0%
−72
= 0 = = = 0 0 = = 0 = 0 0 0 0 = 0 = = = = = = 0 0 1 0 0 = 0 1 =
–   iCE 4.0 64-bit 4CPU3121+26
−26
(+19)11 − 11
(+6−6=10)
50.0%
11.0 / 22
12.0%
+20
= 1 0 = 1 1 = = = 0 = 0 = 1 0 = 1 1 0 = = 0
–   Rybka 3 64-bit 4CPU3117+13
−13
(+15)64 − 65
(+28−29=72)
49.6%
64.0 / 129
8.6%
+12
0 1 0 = 1 1 = = = = = = = = = = 1 = 0 0 = 1 = 1 = = = 0 1 0 1 0 1 1 1 = = 1 0 = = 0 1 = = = = 1 = 1 1 = 0 0 = 1 0 0 = = 0 0 0 0 = = 0 0 = = 1 = = = 1 = = = = 1 = = 1 = = = 0 0 = 1 1 = = 0 = 0 = = = = = = = = = 0 0 0 1 0 = = = = 1 1 = 0 = = 1 = = = = = = 0 1
–   Stockfish 1.8 64-bit 4CPU3106+18
−18
(+4)50.5 − 56.5
(+10−16=81)
47.2%
50.5 / 107
35.6%
−10
0 = = = = = = = = 1 = = = = 0 = 0 = 1 = = = = = = = 0 = = = = = = = 0 0 = = = 0 1 1 = 0 1 0 = = = = = = 0 = = = = 0 = = = = = 1 0 = = = = = = = = = 1 = = = = = = = = 0 = 0 = = 1 = = = = = = = 0 = = = = 1 0 = = = 1
–   Xiphos 0.2.2 64-bit 4CPU3100+26
−26
(−2)8 − 8
(+3−3=10)
50.0%
8.0 / 16
54.2%
0
= = = 0 = 1 = 0 = = 1 = 0 = = 1
–   Naum 4.2 64-bit 4CPU3059+10
−10
(−43)30 − 23
(+14−7=32)
56.6%
30.0 / 53
100.0%
−6
= = 1 = = 1 = 0 1 = = = 0 = = = = 1 = = 0 = = 0 = = = = = = = = 1 = = 0 1 1 1 0 1 = = 1 0 = 1 1 = 1 = 1 =
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−86)53.5 − 24.5
(+32−3=43)
68.6%
53.5 / 78
100.0%
+21
= 1 0 = = 1 1 1 1 1 = 1 1 = = = = 1 1 1 1 = = = = 1 = 1 1 0 = = 1 0 1 = 1 = = = 1 = = = = 1 = = 1 = = = = = = = 1 = = 1 1 1 = = 1 = 1 1 = 1 = = 1 = = 1 1 =
–   Deep Fritz 12 4CPU2982+34
−34
(−120)33 − 17
(+20−4=26)
66.0%
33.0 / 50
100.0%
−26
= = 1 1 1 0 = = 1 = = = 0 = = 0 1 0 1 = = = = = = = = = = 1 1 1 = 1 1 = = 1 1 = 1 = 1 1 = 1 1 1 = 1
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(−135)38 − 15
(+25−2=26)
71.7%
38.0 / 53
100.0%
−3
1 1 = 1 1 = 0 = = = = 1 = 1 = 1 1 1 = 1 = 1 = = 1 = 1 = = = = 1 1 = 1 = 1 = 1 = 1 1 1 = 1 = = = 1 0 1 = 1
–   Komodo 1.2 64-bit2944+16
−16
(−158)25 − 8
(+19−2=12)
75.8%
25.0 / 33
100.0%
+11
= = 1 1 1 = 1 1 1 1 1 1 0 1 = = = = 1 1 1 0 = = 1 1 1 = 1 = = 1 1
–   Onno 1.2.70 64-bit 4CPU2932+19
−19
(−170)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Spark 0.4 64-bit 4CPU2930+21
−21
(−172)41 − 12
(+30−1=22)
77.4%
41.0 / 53
100.0%
+3
1 1 1 = = = 1 = = 0 1 1 1 1 = = 1 1 1 1 1 = 1 = = 1 = 1 1 = 1 = = 1 = 1 1 = = 1 1 1 1 = = 1 1 = 1 1 1 = =
–   Thinker 5.4d Inert 64-bit 4CPU2924+23
−23
(−178)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+40
1 = 1
–   Deep Sjeng WC2008 64-bit 4CPU2924+13
−13
(−178)42 − 10
(+35−3=14)
80.8%
42.0 / 52
100.0%
+47
1 1 1 1 1 1 = 1 = 1 0 1 1 1 1 = 1 = 1 = 1 = 1 = 0 1 = = = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 0 1 1 1 =
–   Komodo 1.0 64-bit2920+14
−14
(−182)41 − 9
(+34−2=14)
82.0%
41.0 / 50
100.0%
+50
1 = 1 0 = 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 0 1 = = 1 1 = = 1 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 1 1 1 = 1 =
–   Hiarcs 12.1 4CPU2902+15
−15
(−200)46 − 16
(+33−3=26)
74.2%
46.0 / 62
100.0%
−45
= 1 1 1 = = 1 = 1 = 1 = = = 1 1 1 = 1 1 = = 1 1 1 = 1 1 1 = = 0 0 = 1 = = 1 1 1 1 1 1 1 1 = = = 1 = = 1 1 0 = = = 1 = 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021