CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Engine Details

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Stockfish 2.0.1 64-bit 4CPU (3128+24
−24
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 103 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 1.5a 64-bit 4CPU3185+18
−18
(+57)31 − 40
(+14−23=34)
43.7%
31.0 / 71
0.0%
+18
= 0 = = 0 = = = 0 1 = = 0 = = 1 1 = = 0 = = 1 = 1 0 = 0 1 0 0 = 1 0 = 1 0 1 = 0 = = 0 0 1 = = 0 = 0 1 0 0 0 = = 1 0 = = 1 0 = 0 = 0 = = = = 1
–   Rybka 4 64-bit 4CPU3148+10
−10
(+20)28.5 − 33.5
(+12−17=33)
46.0%
28.5 / 62
6.6%
−4
0 = 0 1 = = 0 0 0 1 = 1 = = = = = 1 0 = = 1 = 1 1 = 1 = = 0 0 = 0 1 = = 0 = = = 0 = 0 = = = 0 0 1 0 0 = = = = = = 1 = = 0 1
–   Critter 1.2 64-bit 4CPU3146+20
−20
(+18)14.5 − 17.5
(+3−6=23)
45.3%
14.5 / 32
11.7%
−5
= 0 1 1 = = = = = = 0 = = = = = = = = 0 0 = = = 1 = = = = 0 0 =
–   Rybka 4.1 64-bit 4CPU3145+9
−9
(+17)18 − 24
(+6−12=24)
42.9%
18.0 / 42
9.8%
−25
= = = = = 0 = = = 1 = 0 = = 1 = 0 1 = = 1 0 = 0 = 0 = 0 = = = = = = 1 0 0 1 0 0 = 0
–   Critter 1.01 64-bit 4CPU3088+31
−31
(−40)13 − 5
(+8−0=10)
72.2%
13.0 / 18
97.7%
+89
= = = = 1 = 1 1 = 1 1 = 1 1 = = 1 =
–   Critter 0.90 64-bit 4CPU3078+31
−31
(−50)34 − 29
(+17−12=34)
54.0%
34.0 / 63
99.6%
−27
1 = 1 = 1 = = = 1 0 0 = = = 0 1 = = = 1 = = = = 0 = 1 = 0 1 0 1 1 1 1 = = = = = = = = 1 1 1 = = 0 = 0 1 = 1 = = = 0 = 0 0 0 =
–   Naum 4.2 64-bit 4CPU3061+10
−10
(−67)31.5 − 23.5
(+21−13=21)
57.3%
31.5 / 55
100.0%
−22
0 1 = = = 1 1 1 = 1 1 0 1 0 = 0 1 = 1 1 0 = = 0 1 0 0 1 = 0 = 0 = 1 1 = 0 0 = = 1 1 1 = 1 1 1 = 0 = = = = = 1
–   Deep Shredder 12 64-bit 4CPU3019+10
−10
(−109)34 − 16
(+25−7=18)
68.0%
34.0 / 50
100.0%
+10
= = 1 = = = 1 = 1 0 0 1 0 1 = 1 1 1 = 1 = = = 0 1 1 1 1 1 1 = 1 0 0 = = = 1 1 1 1 = = 1 1 1 = 1 1 0
–   Spike 1.4 Leiden 4CPU3017+11
−11
(−111)38 − 19
(+23−4=30)
66.7%
38.0 / 57
100.0%
−14
= 1 1 = = = = = = = 1 1 1 0 = = = 1 = = = = 0 1 1 = 1 0 1 = 1 1 1 1 = 1 = = 1 = 1 = 1 1 = = = = 1 1 = 1 = 0 = = 1
–   Deep Junior 12.5 64-bit 4CPU3013+23
−23
(−115)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+34
= 1 = 1 = 1 = 1 1 1 1 1 = 1 0 1 0 = = = 0 1 0 1 1 = 1 1 1 1 1 =
–   Hiarcs 13.2 4CPU2982+18
−18
(−146)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+27
0 = = 1 1 = 1 = 1 1 1 = 1 1 1 = 1 = 1 = = = = 1 1 = 1 1 1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on October 12, 2019