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 1.5.1 64-bit (2887+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
–   Rybka 3 64-bit3046+11
−11
(+159)7.5 − 24.5
(+3−20=9)
23.4%
7.5 / 32
0.0%
−31
–   Naum 4 64-bit2954+13
−13
(+67)13 − 19
(+6−12=14)
40.6%
13.0 / 32
0.0%
+10
–   Deep Shredder 12 64-bit2938+9
−9
(+51)24.5 − 39.5
(+12−27=25)
38.3%
24.5 / 64
0.0%
−25
–   Crafty 25.3 64-bit2911+27
−27
(+24)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
10.0%
0
–   Thinker 5.4c Inert 64-bit2859+14
−14
(−28)19 − 13
(+14−8=10)
59.4%
19.0 / 32
96.6%
+35
–   Zappa Mexico II 64-bit2852+10
−10
(−35)15.5 − 16.5
(+5−6=21)
48.4%
15.5 / 32
99.0%
−45
–   Deep Sjeng WC2008 64-bit2834+13
−13
(−53)17.5 − 14.5
(+9−6=17)
54.7%
17.5 / 32
100.0%
−24
–   Grapefruit 1.0 32-bit2825+9
−9
(−62)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
+60
–   Hiarcs 12.12816+11
−11
(−71)18.5 − 13.5
(+12−7=13)
57.8%
18.5 / 32
100.0%
−23
–   Onno 1.1.1 64-bit2809+20
−21
(−78)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
+8
–   Bright 0.4a2775+10
−10
(−112)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
+46
–   Ktulu 92752+12
−12
(−135)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+4
–   Spike 1.2 Turin2744+7
−7
(−143)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
+20

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