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 2.3.1 64-bit (3076+17
−17
)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 3 64-bit3156+13
−13
(+80)11.5 − 14.5
(+4−7=15)
44.2%
11.5 / 26
0.0%
+47
–   Houdini 3 Tactical 64-bit3151+18
−18
(+75)14 − 18
(+3−7=22)
43.8%
14.0 / 32
0.0%
+39
–   Houdini 2.0c 64-bit3122+14
−15
(+46)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.0%
−73
–   Komodo 5 64-bit3107+11
−11
(+31)20 − 28
(+7−15=26)
41.7%
20.0 / 48
0.1%
−16
–   Strelka 5.5 64-bit3102+6
−7
(+26)20 − 32
(+4−16=32)
38.5%
20.0 / 52
0.2%
−39
–   Critter 1.6a 64-bit3099+7
−7
(+23)29 − 31
(+10−12=38)
48.3%
29.0 / 60
0.5%
+15
–   Critter 1.4 64-bit3079+20
−20
(+3)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
39.6%
−39
–   Rybka 4.1 64-bit3076+8
−8
(0)24.5 − 23.5
(+11−10=27)
51.0%
24.5 / 48
48.1%
+6
–   Rybka 4 64-bit3075+11
−10
(−1)2 − 6
(+1−5=2)
25.0%
2.0 / 8
53.1%
−181
–   Stockfish 2.2.2 64-bit3070+20
−19
(−6)3.5 − 4.5
(+1−2=5)
43.8%
3.5 / 8
65.8%
−42
–   Bouquet 1.5 64-bit3060+17
−17
(−16)32.5 − 25.5
(+16−9=33)
56.0%
32.5 / 58
91.0%
+16
–   IvanHoe 9.46h 64-bit3059+13
−13
(−17)30 − 22
(+14−6=32)
57.7%
30.0 / 52
94.2%
+26
–   RobboLito 0.21Q 64-bit3057+16
−16
(−19)23.5 − 16.5
(+12−5=23)
58.8%
23.5 / 40
95.2%
+33
–   Bouquet 1.6 64-bit3048+17
−17
(−28)21 − 25
(+9−13=24)
45.7%
21.0 / 46
99.0%
−54
–   Vitruvius 1.11C 64-bit3047+14
−14
(−29)21 − 17
(+12−8=18)
55.3%
21.0 / 38
99.6%
+4
–   DeepSaros 3.3b 64-bit3043+18
−19
(−33)16 − 16
(+8−8=16)
50.0%
16.0 / 32
99.5%
−31
–   BlackMamba 1.4 64-bit3026+15
−15
(−50)16.5 − 13.5
(+8−5=17)
55.0%
16.5 / 30
100.0%
−21
–   Sting SF 2 64-bit3020+18
−18
(−56)49.5 − 32.5
(+21−4=57)
60.4%
49.5 / 82
100.0%
0
–   BlackMamba 1.2c 64-bit3001+30
−30
(−75)11 − 5
(+7−1=8)
68.8%
11.0 / 16
100.0%
+36
–   Gull II b2 64-bit2992+21
−21
(−84)31.5 − 24.5
(+15−8=33)
56.3%
31.5 / 56
100.0%
−46
–   BlackMamba 1.2b 64-bit2986+30
−30
(−90)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−30
–   Gull R375 64-bit2985+19
−19
(−91)23.5 − 10.5
(+15−2=17)
69.1%
23.5 / 34
100.0%
+23
–   Gull II 64-bit2984+30
−30
(−92)3 − 4
(+1−2=4)
42.9%
3.0 / 7
100.0%
−123
–   Protector 1.5.0 64-bit2983+13
−13
(−93)24 − 10
(+16−2=16)
70.6%
24.0 / 34
100.0%
+34
–   Chiron 1.1a 64-bit2977+13
−14
(−99)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−99
–   Naum 4.2 64-bit2974+9
−9
(−102)27.5 − 14.5
(+17−4=21)
65.5%
27.5 / 42
100.0%
−11
–   Chiron 1.5 64-bit2963+15
−15
(−113)24 − 10
(+15−1=18)
70.6%
24.0 / 34
100.0%
+6
–   Hannibal 1.3 64-bit2961+17
−16
(−115)23 − 7
(+17−1=12)
76.7%
23.0 / 30
100.0%
+59
–   Fritz 132959+11
−11
(−117)5 − 3
(+2−0=6)
62.5%
5.0 / 8
100.0%
−53
–   Hiarcs 142959+10
−10
(−117)20 − 12
(+12−4=16)
62.5%
20.0 / 32
100.0%
−41
–   DeepSaros 3.1a 64-bit2943+30
−30
(−133)28 − 8
(+22−2=12)
77.8%
28.0 / 36
100.0%
+57
–   Deep Junior 13.3 64-bit2914+16
−16
(−162)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+28
–   Spike 1.4 Leiden2913+8
−8
(−163)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Quazar 0.4 64-bit2904+10
−10
(−172)7.5 − 0.5
(+7−0=1)
93.8%
7.5 / 8
100.0%
+238
–   Protector 1.4.0 64-bit2899+14
−14
(−177)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−109
–   MinkoChess 1.3 64-bit2851+14
−14
(−225)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
−74

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