CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 2.1.1 32-bit (3026+15
−15
)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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 2.0c 32-bit3101+13
−13
(+75)25.5 − 42.5
(+12−29=27)
37.5%
25.5 / 68
0.0%
−4
0 0 = = = = 0 = 0 = = = 0 0 = 0 = 1 0 = 0 1 0 0 0 = 0 0 = 0 = 0 0 1 0 1 0 = = 0 = 1 0 = 1 = 0 = 1 0 = 0 1 = 1 0 1 0 = = 0 = 0 = = 1 1 0
–   Houdini 1.5a 32-bit3087+12
−12
(+61)16.5 − 25.5
(+6−15=21)
39.3%
16.5 / 42
0.0%
0
= 1 = = = 1 = 0 1 = = = 1 = = 0 = = 0 0 1 0 = 0 = 0 0 0 = = 0 0 = 0 0 = = 0 0 = = 1
–   Critter 1.4 32-bit3070+13
−13
(+44)11 − 19
(+5−13=12)
36.7%
11.0 / 30
0.0%
−43
= 0 0 0 = 1 = 0 = = 0 1 1 0 0 1 0 = 1 = 0 = 0 = 0 = 0 = 0 =
–   Critter 1.2 32-bit3058+14
−14
(+32)24.5 − 36.5
(+7−19=35)
40.2%
24.5 / 61
0.1%
−24
= = = = 1 = 0 0 = 0 = = 0 = = = 0 = 0 0 1 = 0 0 1 = = 0 = 0 0 = = 0 = = 0 = = = = 0 = = = = 0 1 = 1 = 1 = 0 = = = 0 0 = 1
–   Combusken 1.3.0 64-bit3048+23
−23
(+22)8 − 8
(+5−5=6)
50.0%
8.0 / 16
6.5%
+22
1 = 1 1 = = 0 0 = 0 0 1 = 1 0 =
–   Combusken 1.3.1 64-bit3039+25
−24
(+13)5 − 7
(+1−3=8)
41.7%
5.0 / 12
19.5%
−31
= 0 = = = = = = 1 = 0 0
–   Komodo 4 32-bit3031+16
−16
(+5)13 − 17
(+3−7=20)
43.3%
13.0 / 30
33.2%
−30
= = = = = 0 0 = = = 0 = 0 = = 0 = 1 = = = 1 = = = = 0 1 0 =
–   Rybka 4.1 32-bit3029+12
−12
(+3)26.5 − 23.5
(+13−10=27)
53.0%
26.5 / 50
40.2%
+21
1 = = = = 0 = = = 0 = 1 = 0 1 = 0 0 = 1 1 1 = = 1 0 = 1 = = = = 0 = = = 0 = = 1 = 1 0 1 = 1 0 = = 1
–   Komodo 3 32-bit3022+14
−14
(−4)27 − 27
(+15−15=24)
50.0%
27.0 / 54
67.6%
−2
1 0 1 = = 1 1 0 0 = = 1 1 0 0 = 1 = 1 = 0 0 1 = = 0 = 1 = 0 0 1 = = = 1 = 0 = 0 1 = = = 0 = 0 1 1 = = 0 = =
–   Critter 1.01 32-bit3019+18
−18
(−7)19 − 18
(+8−7=22)
51.4%
19.0 / 37
74.4%
0
0 1 0 = = = = 1 0 = 1 1 0 = = = = = 1 = = 0 = = = = = 0 1 = 1 = = 0 = 1 =
–   Komodo 2.03 32-bit3005+16
−16
(−21)24.5 − 16.5
(+15−7=19)
59.8%
24.5 / 41
96.9%
+35
0 = = 1 1 1 = 1 = = 0 = = 1 1 = = 1 1 = = = 1 0 1 0 1 1 = 1 0 = 0 = = = 1 0 = 1 =
–   Fritz 132959+11
−11
(−67)19.5 − 10.5
(+13−4=13)
65.0%
19.5 / 30
100.0%
+24
0 1 1 1 = = 1 = 0 = 1 1 1 = = = 1 = 1 = 1 = = 0 = 1 0 1 1 =
–   Naum 4.2 32-bit2957+10
−10
(−69)26.5 − 19.5
(+15−8=23)
57.6%
26.5 / 46
100.0%
−25
= 1 = 0 = 0 = = 0 1 = = = = 1 1 = = = 1 0 1 = = = 1 1 1 = 1 0 0 = 0 1 1 0 = = = = 1 1 = 1 =
–   Deep Sjeng c't 20102939+10
−10
(−87)28.5 − 17.5
(+16−5=25)
62.0%
28.5 / 46
100.0%
−16
= 1 0 1 1 = = = = 0 1 = 0 1 1 = 1 = = = = 1 = = 1 = = = = = 1 = = 0 1 = 1 0 1 = = = 1 1 1 =
–   Chiron 1.1a 32-bit2930+15
−15
(−96)23.5 − 14.5
(+16−7=15)
61.8%
23.5 / 38
100.0%
−18
1 = 1 1 1 0 1 = 1 = 0 = = 1 1 0 = 1 = 1 1 = 0 = 1 1 = 0 0 1 = = = 1 = = 0 1
–   Shredder 12 32-bit2928+8
−7
(−98)49.5 − 26.5
(+34−11=31)
65.1%
49.5 / 76
100.0%
0
= 1 1 1 = = 1 1 1 1 = 1 = 0 0 1 0 = = 1 1 = = 1 1 0 = 0 = 1 = 1 1 1 = 1 = 1 = 1 1 = 0 = = 1 = 1 1 = 1 = 1 0 = 1 = 0 0 1 = 1 0 1 = = = = 1 = 0 1 = 1 1 =
–   Komodo 1.3 32-bit2916+16
−16
(−110)20.5 − 15.5
(+12−7=17)
56.9%
20.5 / 36
100.0%
−70
= = 1 = = = 0 = 1 = = = = 1 1 = 0 0 0 1 = = 0 = 1 1 1 = 1 1 0 = 1 1 0 =
–   Spike 1.4 Leiden2913+8
−8
(−113)46 − 20
(+30−4=32)
69.7%
46.0 / 66
100.0%
+6
0 0 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 = 1 = = = 1 1 1 = = = =
–   Rybka 2.3.2a 32-bit2911+9
−9
(−115)22.5 − 7.5
(+18−3=9)
75.0%
22.5 / 30
100.0%
+61
1 = 1 1 1 1 1 1 = = 1 1 1 = 1 1 0 = 1 = 1 = 1 0 1 1 1 0 = =
–   Deep Junior 12.5 32-bit2907+15
−16
(−119)30 − 12
(+22−4=16)
71.4%
30.0 / 42
100.0%
+23
1 = 1 0 = 1 = 1 1 0 1 1 = 1 = 1 1 = 0 1 = 1 = 1 = 0 = 1 = 1 = 1 1 1 = 1 = = 1 1 1 =
–   Hiarcs 13.22894+11
−10
(−132)31 − 11
(+22−2=18)
73.8%
31.0 / 42
100.0%
+20
1 1 = = 1 1 1 1 = = = = 1 1 1 1 1 1 0 = = = 1 1 = 1 1 0 = 1 = 1 1 = = 1 1 1 = = = =
–   Fritz 122885+11
−11
(−141)24.5 − 13.5
(+17−6=15)
64.5%
24.5 / 38
100.0%
−49
0 1 1 = = 0 = 1 0 1 = 0 1 0 1 1 1 1 = = = 1 = = 1 1 0 = = = = 1 = 1 1 = 1 1
–   Gull 1.0a 32-bit2884+12
−12
(−142)22.5 − 7.5
(+16−1=13)
75.0%
22.5 / 30
100.0%
+17
1 = 1 1 1 = = = 1 = = 1 1 = 1 1 = 1 1 = 1 1 = 1 1 1 0 = = =
–   Protector 1.4.0 32-bit2877+11
−11
(−149)35.5 − 14.5
(+23−2=25)
71.0%
35.5 / 50
100.0%
−24
= 1 1 1 = = = 1 1 = = = = = = = 1 1 1 1 1 1 1 1 1 = = 0 = = = 1 = 1 = = = = = = 1 = = 1 0 1 1 1 1 1
–   Gull 1.2 32-bit2875+12
−12
(−151)38.5 − 11.5
(+32−5=13)
77.0%
38.5 / 50
100.0%
+45
= 1 1 = 1 0 1 = 1 = 1 1 1 1 1 1 1 1 1 1 = 0 0 = 1 1 1 0 = 1 1 1 = = 1 = 1 1 1 = 1 1 1 1 1 = = 1 1 0
–   Hannibal 1.1 32-bit2869+13
−13
(−157)31.5 − 10.5
(+21−0=21)
75.0%
31.5 / 42
100.0%
−3
1 1 1 = 1 = 1 = 1 1 1 = 1 = = = = 1 1 = = = 1 1 = = 1 = = = = 1 = 1 = 1 = 1 1 1 1 =
–   Spark 1.0 32-bit2863+11
−11
(−163)35.5 − 14.5
(+23−2=25)
71.0%
35.5 / 50
100.0%
−36
1 1 1 1 = = = = = 1 1 = = = = = 1 1 0 1 1 1 = = 1 0 = = 1 = 1 1 1 = = 1 = = 1 = = = 1 1 1 1 = = = 1
–   Thinker 5.4d Inert 32-bit2855+10
−10
(−171)35.5 − 14.5
(+24−3=23)
71.0%
35.5 / 50
100.0%
−40
= = 0 1 = 1 = 1 0 = 0 1 1 = 1 = 1 1 = = 1 = 1 = = 1 1 1 = = 1 = = = 1 1 = 1 = = 1 1 1 = 1 1 = 1 1 =
–   Booot 5.1.02843+10
−10
(−183)40.5 − 9.5
(+32−1=17)
81.0%
40.5 / 50
100.0%
+32
1 1 = 1 = 1 = 1 1 = 1 1 1 1 = 1 1 = 1 1 = 1 = 1 1 = 1 = 1 = 1 1 1 = 1 1 1 1 0 1 1 = 1 = = 1 = 1 = 1
–   Cyclone xTreme2822+13
−13
(−204)26.5 − 3.5
(+24−1=5)
88.3%
26.5 / 30
100.0%
+118
= 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
–   Hannibal 1.0a 32-bit2799+12
−12
(−227)28 − 6
(+24−2=8)
82.4%
28.0 / 34
100.0%
+19
1 1 1 1 = 1 1 1 0 1 1 1 = 1 = 1 1 1 1 1 = 1 1 = 1 1 = 0 1 1 = 1 = 1
–   MinkoChess 1.2 32-bit2779+14
−14
(−247)40.5 − 3.5
(+37−0=7)
92.0%
40.5 / 44
100.0%
+121
1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 1 = = 1 1 1 1 1 1 1 1 1 1
–   Jonny 4.002777+11
−11
(−249)10 − 2
(+8−0=4)
83.3%
10.0 / 12
100.0%
−14
1 1 = = 1 = 1 1 = 1 1 1
–   Scorpio 2.7 32-bit2748+20
−20
(−278)11 − 1
(+10−0=2)
91.7%
11.0 / 12
100.0%
+82
1 1 1 = 1 1 1 1 = 1 1 1
–   MinkoChess 1.1 32-bit2739+27
−27
(−287)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−317
=
–   Chronos 1.9.9 32-bit2739+17
−17
(−287)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021