CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 2.1.1 64-bit 4CPU (3111+27
−27
)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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 2.0c 64-bit 4CPU3193+16
−16
(+82)18 − 34
(+7−23=22)
34.6%
18.0 / 52
0.0%
−15
–   Houdini 1.5a 64-bit 4CPU3181+18
−17
(+70)23 − 40
(+9−26=28)
36.5%
23.0 / 63
0.0%
−12
–   Critter 1.2 64-bit 4CPU3144+20
−20
(+33)15 − 16
(+5−6=20)
48.4%
15.0 / 31
2.5%
+24
–   Rybka 4.1 64-bit 4CPU3143+9
−9
(+32)21.5 − 28.5
(+7−14=29)
43.0%
21.5 / 50
1.5%
−10
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−95)14.5 − 7.5
(+9−2=11)
65.9%
14.5 / 22
100.0%
−3
–   Spike 1.4 Leiden 4CPU3015+10
−11
(−96)63.5 − 28.5
(+44−9=39)
69.0%
63.5 / 92
100.0%
+24
–   Deep Junior 12.5 64-bit 4CPU3011+23
−23
(−100)18.5 − 13.5
(+8−3=21)
57.8%
18.5 / 32
100.0%
−56
–   Hiarcs 13.2 4CPU2980+18
−18
(−131)25 − 7
(+19−1=12)
78.1%
25.0 / 32
100.0%
+53
–   Spark 1.0 64-bit 4CPU2968+13
−13
(−143)23 − 9
(+16−2=14)
71.9%
23.0 / 32
100.0%
−3

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021