CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Sting SF 6 64-bit 4CPU (3130+28
−28
)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 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 4 64-bit 4CPU3240+10
−10
(+110)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+252
1 =
–   Houdini 4 Tactical 64-bit 4CPU3229+24
−24
(+99)6 − 14
(+2−10=8)
30.0%
6.0 / 20
0.0%
−34
= = 0 = 1 0 0 1 0 = 0 0 0 = = 0 = = 0 0
–   Fire 4 64-bit 4CPU3196+12
−12
(+66)8 − 14
(+0−6=16)
36.4%
8.0 / 22
0.0%
−3
= = = = = = = 0 = = 0 = = 0 = 0 = = = = 0 0
–   Gull 3 64-bit 4CPU3178+9
−9
(+48)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.1%
+12
0 = 0 = 1 0 1 0 = = = 1 = = = 0 = = = =
–   Equinox 3.20 64-bit 4CPU3171+11
−11
(+41)8.5 − 15.5
(+1−8=15)
35.4%
8.5 / 24
0.3%
−33
0 0 = = = = 1 = = = 0 = = 0 0 0 0 = = 0 = = = =
–   Fritz 15 64-bit 4CPU3159+12
−12
(+29)12.5 − 15.5
(+1−4=23)
44.6%
12.5 / 28
2.7%
+2
= = = = = = = = = = = 0 = = 0 = = 0 = = 1 = = = = 0 = =
–   Equinox 3.30 64-bit 4CPU3159+18
−18
(+29)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
4.1%
+185
1 =
–   Critter 1.6a 64-bit 4CPU3157+8
−8
(+27)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
3.5%
−130
0 =
–   Bouquet 1.8 64-bit 4CPU3147+11
−11
(+17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
13.2%
+173
= 1
–   Rybka 4.1 64-bit 4CPU3142+9
−9
(+12)1 − 1
(+1−1=0)
50.0%
1.0 / 2
20.3%
+12
1 0
–   NirvanaChess 2.2 64-bit 4CPU3138+17
−17
(+8)14 − 10
(+6−2=16)
58.3%
14.0 / 24
31.8%
+57
1 1 = = = 1 = = = = = = = = = 1 = 1 1 0 = 0 = =
–   Protector 1.9.0 64-bit 4CPU3137+15
−15
(+7)4 − 4
(+2−2=4)
50.0%
4.0 / 8
33.7%
+7
1 1 = 0 = = = 0
–   Andscacs 0.85 64-bit 4CPU3131+25
−25
(+1)24 − 24
(+10−10=28)
50.0%
24.0 / 48
46.7%
+4
= = = = = 0 1 = 1 = = = = = 0 0 = = = 0 1 0 = 1 0 1 1 = = 1 = = 0 0 = = 1 = = 1 = = 1 0 0 = = =
–   DeepSaros 4.1.6 64-bit 4CPU3126+26
−26
(−4)3.5 − 2.5
(+1−0=5)
58.3%
3.5 / 6
58.8%
+38
= = = 1 = =
–   Rybka 3 64-bit 4CPU3117+13
−13
(−13)10.5 − 9.5
(+4−3=13)
52.5%
10.5 / 20
79.5%
0
1 0 0 = = = 0 = 1 = = = 1 1 = = = = = =
–   Vitruvius 1.11C 64-bit 4CPU3116+14
−14
(−14)1 − 1
(+0−0=2)
50.0%
1.0 / 2
79.8%
−14
= =
–   Hannibal 1.5 64-bit 4CPU3108+19
−19
(−22)3.5 − 2.5
(+1−0=5)
58.3%
3.5 / 6
89.9%
+20
= = = = = 1
–   Stockfish 1.8 64-bit 4CPU3106+18
−18
(−24)10.5 − 9.5
(+3−2=15)
52.5%
10.5 / 20
91.9%
−7
= = = 0 = = = = 0 = = = = 1 1 = = = 1 =
–   Naum 4.6 64-bit 4CPU3093+14
−14
(−37)3 − 1
(+2−0=2)
75.0%
3.0 / 4
99.0%
+119
1 = = 1
–   Critter 1.01 64-bit 4CPU3085+27
−27
(−45)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
98.9%
−90
= 0 = = 1 = = 0 1 = = = 0 = = 0 0 1 = 0
–   Chiron 2 64-bit 4CPU3083+15
−15
(−47)2 − 2
(+0−0=4)
50.0%
2.0 / 4
99.8%
−47
= = = =
–   Texel 1.05 64-bit 4CPU3082+17
−17
(−48)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.8%
−1
= 0 1 = 1 =
–   Alfil 15.8 64-bit 4CPU3054+22
−22
(−76)14.5 − 9.5
(+9−4=11)
60.4%
14.5 / 24
100.0%
−14
0 = = = 1 = 1 = 1 0 = = 1 = 1 1 = 1 = 1 0 1 0 =
–   Deep Junior Yokohama 64-bit 4CPU3023+16
−16
(−107)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−107
= =
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−114)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−114
1 0
–   Cheng 4.39 64-bit 4CPU3008+15
−15
(−122)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+34
= 1
–   Texel 1.03 64-bit 4CPU3008+31
−31
(−122)14.5 − 5.5
(+9−0=11)
72.5%
14.5 / 20
100.0%
+11
= = = 1 = 1 1 1 = = 1 1 = = 1 = = 1 1 =
–   Vajolet2 2.1 64-bit 4CPU2997+25
−25
(−133)4.5 − 0.5
(+4−0=1)
90.0%
4.5 / 5
100.0%
+184
1 1 = 1 1
–   Arasan 18.3 64-bit 4CPU2971+30
−30
(−159)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−159
= =
–   Arasan 18.2 64-bit 4CPU2969+28
−28
(−161)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−191
=
–   EXchess 7.88b 64-bit 4CPU2955+29
−29
(−175)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Crafty 25.0 64-bit 4CPU2948+25
−25
(−182)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−25
1 =

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021