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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Stockfish 1.9.1 64-bit (3033+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
–   Houdini 1.5a 64-bit3108+10
−10
(+75)5.5 − 14.5
(+1−10=9)
27.5%
5.5 / 20
0.0%
−68
–   Critter 1.2 64-bit3078+14
−14
(+45)17 − 23
(+6−12=22)
42.5%
17.0 / 40
0.0%
+2
–   Rybka 4.1 64-bit3076+8
−8
(+43)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.0%
+18
–   Rybka 4 64-bit3074+11
−11
(+41)20 − 24
(+13−17=14)
45.5%
20.0 / 44
0.0%
+12
–   chess22k 1.13 64-bit3061+17
−18
(+28)4 − 6
(+1−3=6)
40.0%
4.0 / 10
2.0%
−31
–   Wasp 3.75 64-bit3061+16
−16
(+28)9.5 − 10.5
(+4−5=11)
47.5%
9.5 / 20
1.7%
+10
–   Stockfish 2.1.1 64-bit3051+15
−15
(+18)9 − 11
(+3−5=12)
45.0%
9.0 / 20
8.1%
−13
–   Rybka 3 64-bit3046+11
−11
(+13)9 − 15
(+3−9=12)
37.5%
9.0 / 24
13.0%
−59
–   Komodo 2.03 64-bit3043+28
−28
(+10)7 − 9
(+2−4=10)
43.8%
7.0 / 16
26.6%
−23
–   Critter 1.01 64-bit3043+23
−23
(+10)14.5 − 13.5
(+7−6=15)
51.8%
14.5 / 28
25.2%
+20
–   Komodo 2.01 64-bit3040+21
−21
(+7)5.5 − 9.5
(+2−6=7)
36.7%
5.5 / 15
30.5%
−79
–   Critter 0.90 64-bit3035+23
−23
(+2)17.5 − 22.5
(+4−9=27)
43.8%
17.5 / 40
44.7%
−28
–   Stockfish 2.0.1 64-bit3028+23
−22
(−5)2 − 2
(+0−0=4)
50.0%
2.0 / 4
62.5%
−5
–   Naum 4.2 64-bit2974+9
−9
(−59)28.5 − 15.5
(+19−6=19)
64.8%
28.5 / 44
100.0%
+33
–   Komodo 1.3 64-bit2971+19
−19
(−62)25 − 19
(+14−8=22)
56.8%
25.0 / 44
100.0%
−21
–   Critter 0.80 64-bit2960+20
−20
(−73)15.5 − 8.5
(+10−3=11)
64.6%
15.5 / 24
100.0%
+19
–   Deep Shredder 12 64-bit2937+10
−9
(−96)31 − 21
(+18−8=26)
59.6%
31.0 / 52
100.0%
−39
–   Gull 1.2 64-bit2917+14
−15
(−116)14 − 6
(+9−1=10)
70.0%
14.0 / 20
100.0%
+3
–   Spike 1.4 Leiden2913+8
−8
(−120)12 − 4
(+8−0=8)
75.0%
12.0 / 16
100.0%
+32
–   Gull 1.1 64-bit2903+19
−19
(−130)27 − 13
(+18−4=18)
67.5%
27.0 / 40
100.0%
−24
–   Gull 0.12a 64-bit2901+30
−30
(−132)19.5 − 4.5
(+17−2=5)
81.3%
19.5 / 24
100.0%
+109
–   Protector 1.4.0 64-bit2899+14
−14
(−134)12.5 − 3.5
(+11−2=3)
78.1%
12.5 / 16
100.0%
+86
–   Hiarcs 13.22894+10
−11
(−139)12 − 11
(+7−6=10)
52.2%
12.0 / 23
100.0%
−122
–   Spark 1.0 64-bit2891+12
−12
(−142)12 − 4
(+9−1=6)
75.0%
12.0 / 16
100.0%
+25
–   Hiarcs 13.12873+14
−14
(−160)19 − 5
(+16−2=6)
79.2%
19.0 / 24
100.0%
+55
–   Thinker 5.4c Inert 64-bit2858+14
−14
(−175)18.5 − 4.5
(+16−2=5)
80.4%
18.5 / 23
100.0%
+57
–   Zappa Mexico II 64-bit2852+10
−10
(−181)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
+1
–   Hannibal 1.0a 64-bit2829+25
−25
(−204)20 − 4
(+16−0=8)
83.3%
20.0 / 24
100.0%
+27
–   Deep Junior 11.2 64-bit2827+24
−25
(−206)21 − 3
(+18−0=6)
87.5%
21.0 / 24
100.0%
+82
–   Jonny 4.002776+11
−11
(−257)22 − 2
(+20−0=4)
91.7%
22.0 / 24
100.0%
+104

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