CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Stockfish 1.8 64-bit 4CPU (3107+19
−19
)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
–   Arasan 21.1 64-bit 4CPU3168+27
−27
(+61)5 − 9
(+1−5=8)
35.7%
5.0 / 14
0.0%
−17
= = 0 = = 1 = 0 = = = 0 0 0
–   Rybka 4 64-bit 4CPU3148+10
−10
(+41)27 − 39
(+10−22=34)
40.9%
27.0 / 66
0.0%
−12
0 = = = 0 = = = = = 0 1 1 0 = = = 1 0 = 0 1 = = 0 = 1 0 0 0 = 0 = = 0 1 = = 0 = = = 0 1 0 0 = = 0 1 = 1 = 0 = 1 0 = = 0 = = 0 = = 0
–   Rybka 4.1 64-bit 4CPU3145+9
−9
(+38)9.5 − 21.5
(+1−13=17)
30.6%
9.5 / 31
0.0%
−75
0 = 0 0 = = 1 = = 0 = = = = 0 = 0 0 = 0 = 0 0 = 0 = 0 0 = = =
–   Laser 1.5 64-bit 4CPU3144+20
−20
(+37)8 − 8
(+2−2=12)
50.0%
8.0 / 16
0.6%
+37
= 0 = = = = = = 1 = 0 = = = = 1
–   Vajolet2 2.6.1 64-bit 4CPU3137+21
−21
(+30)7 − 9
(+3−5=8)
43.8%
7.0 / 16
2.3%
−9
= 1 0 = 1 = 0 0 = = 0 = 0 = = 1
–   Sting SF 6 64-bit 4CPU3132+28
−28
(+25)9.5 − 10.5
(+2−3=15)
47.5%
9.5 / 20
7.3%
+8
= = = 1 = = = = 1 = = = = 0 0 = = = 0 =
–   ChessBrainVB 3.68 4CPU3125+26
−26
(+18)9 − 7
(+5−3=8)
56.3%
9.0 / 16
14.9%
+57
= = 1 = = 0 0 1 1 = = 0 = 1 = 1
–   Stockfish 1.9.1 64-bit 4CPU3114+23
−23
(+7)18 − 15
(+6−3=24)
54.5%
18.0 / 33
32.5%
+31
= = = = = = = = = 0 0 = = = 1 0 1 = = 1 = = = = = 1 = = 1 1 = = =
–   Stockfish 1.7.1 64-bit 4CPU3104+19
−19
(−3)56.5 − 50.5
(+16−10=81)
52.8%
56.5 / 107
60.4%
+11
1 = = = = = = = = 0 = = = = 1 = 1 = 0 = = = = = = = 1 = = = = = = = 1 1 = = = 1 0 0 = 1 0 1 = = = = = = 1 = = = = 1 = = = = = 0 1 = = = = = = = = = 0 = = = = = = = = 1 = 1 = = 0 = = = = = = = 1 = = = = 0 1 = = = 0
–   Nemorino 4.00 64-bit 4CPU3096+22
−22
(−11)11 − 7
(+7−3=8)
61.1%
11.0 / 18
78.0%
+57
1 = 0 1 1 = = 1 1 = = 0 = 0 1 1 = =
–   Naum 4.2 64-bit 4CPU3061+10
−10
(−46)35 − 25
(+19−9=32)
58.3%
35.0 / 60
100.0%
+3
1 0 = = 0 = 1 = 1 = 1 = 1 0 = 1 0 = = 1 0 1 1 = = 1 = = 1 = = 1 1 0 = = 1 1 0 = = = = = 1 = 0 1 = = = = 1 0 = = = = = 1
–   Critter 0.80 64-bit 4CPU3034+31
−30
(−73)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
−16
= = 1 = 1 = = = 1 0 = 1 1 = 0 = = = 1 0 1 = 1 = = 0 = = 1 1
–   Zappa Mexico II 64-bit 4CPU2969+10
−10
(−138)75.5 − 29.5
(+57−11=37)
71.9%
75.5 / 105
100.0%
+8
0 1 1 0 = 1 1 1 = 1 = 0 1 1 1 1 1 1 1 = = = 1 = 1 = = 1 1 = = 1 = 1 = = 0 = = 1 0 1 1 1 = 1 0 1 1 0 = 0 1 = 1 1 = 1 = 1 1 1 = 1 1 = = = = 1 0 = 1 1 1 1 = 0 1 = 1 = 0 1 1 1 = 1 = 1 1 = 1 1 1 = 1 1 1 1 1 = = 1 =
–   Protector 1.3.6 64-bit 4CPU2962+32
−32
(−145)16 − 8
(+10−2=12)
66.7%
16.0 / 24
100.0%
−45
= 1 1 1 1 0 1 = 1 = 1 = 1 1 1 = = = = = 0 = = =
–   Komodo 1.2 64-bit2947+16
−16
(−160)39 − 14
(+27−2=24)
73.6%
39.0 / 53
100.0%
−12
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
–   Spark 0.4 64-bit 4CPU2933+21
−21
(−174)67 − 19
(+52−4=30)
77.9%
67.0 / 86
100.0%
+15
1 1 1 1 = 1 1 = = 1 1 1 1 1 = 0 = 1 1 = 1 = 1 = 1 1 1 0 1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 1 = = 1 1 = = = 1 1 0 = 1 1 1 1 = 1 0 = 1 = = 1 = 1 = 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 =
–   Deep Sjeng WC2008 64-bit 4CPU2926+12
−12
(−181)76 − 26
(+59−9=34)
74.5%
76.0 / 102
100.0%
−13
= 1 = = 1 1 1 = = = 1 1 1 1 = 1 1 = = 0 1 = 0 1 1 1 1 1 1 = 1 0 1 1 0 = 1 = = = 0 = 1 1 1 1 1 = 1 = 1 1 1 0 1 1 = 1 = = 1 1 1 = 1 = 1 1 1 1 1 = 1 = 1 0 0 = 1 1 1 1 0 1 = = = 1 1 1 = = 1 1 1 1 1 1 = = 1 =
–   Hiarcs 12.1 4CPU2904+15
−15
(−203)41.5 − 11.5
(+32−2=19)
78.3%
41.5 / 53
100.0%
−11
1 = 1 0 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 = 1 =

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Created in 2005-2013 by CCRL team
Last games added on November 8, 2019