CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 1.6.3 64-bit (2964+20
−20
)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
–   Rybka 4 64-bit3075+10
−11
(+111)6 − 18
(+3−15=6)
25.0%
6.0 / 24
0.0%
−71
–   Rybka 3 64-bit3047+11
−11
(+83)22 − 30
(+8−16=28)
42.3%
22.0 / 52
0.0%
+37
–   Rybka 3 Dynamic 64-bit3020+27
−26
(+56)9.5 − 14.5
(+3−8=13)
39.6%
9.5 / 24
0.0%
−7
–   Stockfish 1.7.1 64-bit3008+22
−22
(+44)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.2%
−60
–   Naum 4.2 64-bit2975+9
−9
(+11)8.5 − 15.5
(+2−9=13)
35.4%
8.5 / 24
17.1%
−78
–   Rybka 2.3.2a 64-bit2961+11
−11
(−3)2 − 2
(+0−0=4)
50.0%
2.0 / 4
60.8%
−3
–   Naum 4 64-bit2955+13
−13
(−9)31 − 21
(+21−11=20)
59.6%
31.0 / 52
79.4%
+52
–   Stockfish 1.6s 64-bit2951+29
−29
(−13)28 − 25
(+9−6=38)
52.8%
28.0 / 53
78.0%
0
–   Naum 4.1 64-bit2950+21
−21
(−14)27.5 − 23.5
(+15−11=25)
53.9%
27.5 / 51
83.8%
+10
–   Deep Shredder 12 64-bit2938+9
−10
(−26)2 − 3
(+0−1=4)
40.0%
2.0 / 5
99.0%
−71
–   Shredder 12 32-bit2928+7
−8
(−36)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
100.0%
−79
–   Laser 1.3 64-bit2923+24
−24
(−41)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
99.5%
−13
–   Komodo 1.0 64-bit2920+14
−14
(−44)44.5 − 28.5
(+22−6=45)
61.0%
44.5 / 73
100.0%
+17
–   Rybka 2.3.2a 32-bit2912+9
−9
(−52)14.5 − 9.5
(+10−5=9)
60.4%
14.5 / 24
100.0%
+14
–   Fritz 122885+11
−11
(−79)21.5 − 12.5
(+14−5=15)
63.2%
21.5 / 34
100.0%
+3
–   Thinker 5.4d Inert 64-bit2864+15
−15
(−100)19 − 11
(+12−4=14)
63.3%
19.0 / 30
100.0%
−17
–   Thinker 5.4c Inert 64-bit2859+14
−14
(−105)19 − 8
(+15−4=8)
70.4%
19.0 / 27
100.0%
+38
–   Zappa Mexico II 64-bit2853+10
−10
(−111)18.5 − 7.5
(+12−1=13)
71.2%
18.5 / 26
100.0%
+14
–   Fritz 112852+10
−10
(−112)50.5 − 23.5
(+38−11=25)
68.2%
50.5 / 74
100.0%
+8
–   Protector 1.3.3 64-bit2843+31
−31
(−121)14.5 − 9.5
(+11−6=7)
60.4%
14.5 / 24
100.0%
−50
–   Critter 0.60 64-bit2840+25
−25
(−124)17.5 − 6.5
(+13−2=9)
72.9%
17.5 / 24
100.0%
+29
–   Protector 1.3.4 64-bit2839+24
−24
(−125)1.5 − 1.5
(+0−0=3)
50.0%
1.5 / 3
100.0%
−114
–   Deep Sjeng 3.0 64-bit2836+22
−22
(−128)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Deep Sjeng WC2008 64-bit2835+13
−13
(−129)16 − 10
(+11−5=10)
61.5%
16.0 / 26
100.0%
−55
–   Spark 0.3 64-bit2835+18
−18
(−129)20 − 10
(+12−2=16)
66.7%
20.0 / 30
100.0%
−32
–   Grapefruit 1.0 32-bit2826+9
−9
(−138)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−148
–   Deep Junior 11.1a 64-bit2823+22
−22
(−141)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
+39
–   Hiarcs 12.12817+11
−11
(−147)19 − 7
(+15−3=8)
73.1%
19.0 / 26
100.0%
+12
–   Onno 1.1.1 64-bit2809+20
−20
(−155)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Hiarcs 122808+14
−14
(−156)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+1
–   Critter 0.52b 64-bit2806+31
−31
(−158)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+68
–   Bright 0.5c2778+13
−13
(−186)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+58
–   Twisted Logic 20100131x 64-bit2771+16
−16
(−193)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+25
–   Spike 1.2 Turin2745+7
−7
(−219)2 − 1
(+2−1=0)
66.7%
2.0 / 3
100.0%
−76
–   Bison 9.11 32-bit2728+14
−14
(−236)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021