CCRL 40/15
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 1'178'235 games
played by 2'711 programs

White wins: 406'134 (34.5%)
Black wins: 300'016 (25.5%)
Draws: 472'085 (40.1%)
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: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 111 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SlowChess Blitz Classic 1.9 64-bit 4CPU3182+27
−27
(+75)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.0%
+57
0 = = 1 = = = = 0 = = 1 0 = = =
–   Arasan 21.1 64-bit 4CPU3167+27
−27
(+60)5 − 9
(+1−5=8)
35.7%
5.0 / 14
0.0%
−18
0 0 0 = = 0 = = = 0 = = = 1
–   Rybka 4 64-bit 4CPU3147+10
−10
(+40)27 − 39
(+10−22=34)
40.9%
27.0 / 66
0.0%
−13
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 4CPU3144+9
−9
(+37)9.5 − 21.5
(+1−13=17)
30.6%
9.5 / 31
0.0%
−76
0 = 0 0 = = 1 = = 0 = = = = 0 = 0 0 = 0 = 0 0 = 0 = 0 0 = = =
–   Laser 1.5 64-bit 4CPU3143+20
−20
(+36)8 − 8
(+2−2=12)
50.0%
8.0 / 16
0.6%
+36
1 = 0 = = = = = = 0 = = = = = 1
–   Vajolet2 2.6.1 64-bit 4CPU3136+21
−21
(+29)7 − 9
(+3−5=8)
43.8%
7.0 / 16
2.4%
−10
0 = 1 = 0 0 0 = 0 = = 1 = = = 1
–   Wasp 3.75 64-bit 4CPU3133+29
−29
(+26)7 − 13
(+1−7=12)
35.0%
7.0 / 20
6.8%
−55
= = = = = 0 = = 0 0 = = = 0 = 1 0 = 0 0
–   Igel 2.3.1 64-bit 4CPU3133+27
−27
(+26)8.5 − 9.5
(+2−3=13)
47.2%
8.5 / 18
5.6%
+12
= = = = 0 = 0 = = = = = = 0 = 1 = 1
–   Sting SF 6 64-bit 4CPU3132+28
−28
(+25)9.5 − 10.5
(+2−3=15)
47.5%
9.5 / 20
7.2%
+8
= = 0 0 = = = 0 = = = = 1 = = = = 1 = =
–   Pedone 1.9 64-bit 4CPU3127+28
−28
(+20)7 − 7
(+3−3=8)
50.0%
7.0 / 14
12.4%
+20
= = 0 = 1 0 = 1 = = = = 1 0
–   ChessBrainVB 3.68 4CPU3124+26
−26
(+17)9 − 7
(+5−3=8)
56.3%
9.0 / 16
15.5%
+56
= = 1 = = 0 0 1 1 = = 0 = 1 = 1
–   Stockfish 1.9.1 64-bit 4CPU3114+22
−22
(+7)18 − 15
(+6−3=24)
54.5%
18.0 / 33
30.7%
+31
= = = = = = = = = 0 0 = = = 1 0 1 = = 1 = = = = = 1 = = 1 1 = = =
–   Stockfish 1.7.1 64-bit 4CPU3103+19
−18
(−4)56.5 − 50.5
(+16−10=81)
52.8%
56.5 / 107
62.2%
+10
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 4CPU3095+22
−22
(−12)11 − 7
(+7−3=8)
61.1%
11.0 / 18
79.6%
+56
1 = 0 1 1 = 1 = = 0 = 0 1 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 4CPU3033+31
−30
(−74)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
−17
= = 1 = 1 = = = 1 0 = 1 1 = 0 = = = 1 0 1 = 1 = = 0 = = 1 1
–   Zappa Mexico II 64-bit 4CPU2968+10
−10
(−139)75.5 − 29.5
(+57−11=37)
71.9%
75.5 / 105
100.0%
+7
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 4CPU2961+32
−32
(−146)16 − 8
(+10−2=12)
66.7%
16.0 / 24
100.0%
−46
1 1 1 = = = = = 0 = = = = 1 1 1 1 0 1 = 1 = 1 =
–   Komodo 1.2 64-bit2946+16
−16
(−161)39 − 14
(+27−2=24)
73.6%
39.0 / 53
100.0%
−13
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 4CPU2932+21
−21
(−175)67 − 19
(+52−4=30)
77.9%
67.0 / 86
100.0%
+14
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 4CPU2925+12
−12
(−182)76 − 26
(+59−9=34)
74.5%
76.0 / 102
100.0%
−14
= 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 4CPU2903+15
−15
(−204)41.5 − 11.5
(+32−2=19)
78.3%
41.5 / 53
100.0%
−12
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 September 19, 2020