CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Stockfish 1.8 64-bit 4CPU (3107+18
−18
)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 124 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Vajolet2 2.8 64-bit 4CPU3183+28
−28
(+76)10 − 14
(+3−7=14)
41.7%
10.0 / 24
0.0%
+28
–   SlowChess Blitz Classic 1.9 64-bit 4CPU3180+27
−27
(+73)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.0%
+55
–   Arasan 21.1 64-bit 4CPU3166+27
−27
(+59)5 − 9
(+1−5=8)
35.7%
5.0 / 14
0.0%
−19
–   Rybka 4 64-bit 4CPU3146+10
−10
(+39)27 − 39
(+10−22=34)
40.9%
27.0 / 66
0.0%
−14
–   Rybka 4.1 64-bit 4CPU3143+9
−9
(+36)9.5 − 21.5
(+1−13=17)
30.6%
9.5 / 31
0.0%
−77
–   Laser 1.5 64-bit 4CPU3141+20
−20
(+34)8 − 8
(+2−2=12)
50.0%
8.0 / 16
0.7%
+34
–   Wasp 3.75 64-bit 4CPU3136+28
−28
(+29)7 − 13
(+1−7=12)
35.0%
7.0 / 20
4.3%
−52
–   Vajolet2 2.6.1 64-bit 4CPU3135+21
−21
(+28)7 − 9
(+3−5=8)
43.8%
7.0 / 16
2.9%
−11
–   Igel 2.3.1 64-bit 4CPU3132+27
−27
(+25)8.5 − 9.5
(+2−3=13)
47.2%
8.5 / 18
6.5%
+11
–   Sting SF 6 64-bit 4CPU3131+28
−28
(+24)9.5 − 10.5
(+2−3=15)
47.5%
9.5 / 20
8.1%
+7
–   Pedone 1.9 64-bit 4CPU3126+28
−28
(+19)7 − 7
(+3−3=8)
50.0%
7.0 / 14
14.1%
+19
–   ChessBrainVB 3.68 4CPU3122+26
−26
(+15)9 − 7
(+5−3=8)
56.3%
9.0 / 16
17.3%
+54
–   Stockfish 1.9.1 64-bit 4CPU3113+22
−22
(+6)18 − 15
(+6−3=24)
54.5%
18.0 / 33
34.0%
+30
–   Stockfish 1.7.1 64-bit 4CPU3103+18
−18
(−4)56.5 − 50.5
(+16−10=81)
52.8%
56.5 / 107
64.4%
+10
–   Nemorino 4.00 64-bit 4CPU3094+22
−22
(−13)11 − 7
(+7−3=8)
61.1%
11.0 / 18
82.1%
+55
–   Naum 4.2 64-bit 4CPU3060+10
−10
(−47)35 − 25
(+19−9=32)
58.3%
35.0 / 60
100.0%
+2
–   Critter 0.80 64-bit 4CPU3032+30
−30
(−75)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
−18
–   Zappa Mexico II 64-bit 4CPU2968+10
−10
(−139)75.5 − 29.5
(+57−11=37)
71.9%
75.5 / 105
100.0%
+7
–   Protector 1.3.6 64-bit 4CPU2961+32
−32
(−146)16 − 8
(+10−2=12)
66.7%
16.0 / 24
100.0%
−46
–   Komodo 1.2 64-bit2945+16
−16
(−162)39 − 14
(+27−2=24)
73.6%
39.0 / 53
100.0%
−14
–   Spark 0.4 64-bit 4CPU2931+21
−21
(−176)67 − 19
(+52−4=30)
77.9%
67.0 / 86
100.0%
+13
–   Deep Sjeng WC2008 64-bit 4CPU2924+13
−13
(−183)76 − 26
(+59−9=34)
74.5%
76.0 / 102
100.0%
−15
–   Hiarcs 12.1 4CPU2903+15
−15
(−204)41.5 − 11.5
(+32−2=19)
78.3%
41.5 / 53
100.0%
−12

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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021