CCRL 40/15
Downloads and Statistics
March 8, 2021
Testing summary:
Total: 1'223'546 games
played by 2'800 programs

White wins: 420'224 (34.3%)
Black wins: 308'992 (25.3%)
Draws: 494'330 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 2.3.1 32-bit (3039+17
−17		)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 121 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 32-bit3134+20
−20		(+95)11 − 21
(+1−11=20)
34.4%
11.0 / 32
0.0%
+6
= = = = 0 = = = = = 0 = 0 = = = 1 = 0 = = 0 0 = 0 0 0 = 0 = = 0
–   Houdini 2.0c 32-bit3101+13
−13		(+62)15 − 17
(+8−10=14)
46.9%
15.0 / 32
0.0%
+41
1 0 = 1 1 0 0 = = 0 = = = = = 1 0 = 1 0 = = 0 = = 0 = 0 1 1 1 0
–   Houdini 1.5a 32-bit3088+12
−12		(+49)16.5 − 15.5
(+9−8=15)
51.6%
16.5 / 32
0.0%
+59
= 0 0 = = 0 = = 1 0 = 0 = = 1 = = = = 1 1 = 1 1 0 0 1 = 0 1 1 =
–   Strelka 5.5 32-bit3086+15
−15		(+47)11 − 21
(+3−13=16)
34.4%
11.0 / 32
0.0%
−45
= 0 1 0 1 0 0 = = 0 = 0 0 = = = = 0 0 = 0 = = = = = 1 0 = = 0 0
–   Strelka 5.1 32-bit3080+15
−15		(+41)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
0.0%
+85
= 0 1 1 1 = = 1 0 1 1 = = = 0 1 = 0 0 = = = 1 1 = = = = = 1 = =
–   Critter 1.6a 32-bit3067+16
−16		(+28)14.5 − 17.5
(+4−7=21)
45.3%
14.5 / 32
0.7%
+2
1 = = = = 1 = = 0 = = = = 0 = = = = = = 1 0 = 0 1 0 = = = = 0 0
–   Komodo 5 32-bit3046+16
−16		(+7)29.5 − 34.5
(+9−14=41)
46.1%
29.5 / 64
24.9%
−14
= = = 0 = = 1 = = 0 = = 1 = = = = 1 = = = = = = 0 0 = 0 = 1 0 = = 0 = 0 = = = = 0 = = 1 0 = = 1 = 1 = 1 0 = 1 = = = = 0 0 = = 0
–   Rybka 4.1 32-bit3029+12
−12		(−10)16 − 16
(+10−10=12)
50.0%
16.0 / 32
81.8%
−11
1 1 0 0 0 1 = = = = 1 = 0 1 1 0 = 0 = 0 1 1 = = 1 1 = = = 0 0 0
–   Vitruvius 1.11C 32-bit3029+14
−14		(−10)17 − 15
(+10−8=14)
53.1%
17.0 / 32
81.0%
+9
= 0 1 1 1 0 1 0 = 0 = = = = = 0 1 0 1 1 1 = = = = = 0 = 1 0 1 =
–   IvanHoe 9.46h 32-bit3022+14
−14		(−17)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
93.9%
−7
0 0 = 1 = = 0 = = 1 1 0 = = 1 = 1 0 = 1 = = 0 = 1 = = = = = = =
–   DeepSaros 2.3j 32-bit3020+15
−15		(−19)15.5 − 16.5
(+6−7=19)
48.4%
15.5 / 32
95.5%
−28
= 1 = = = 1 0 0 = 1 = = = = = 0 0 = = 1 = 0 = 1 0 = = = 0 = = 1
–   Bouquet 1.6 32-bit3016+18
−18		(−23)15 − 15
(+7−7=16)
50.0%
15.0 / 30
97.2%
−24
1 = = = 1 0 = = = = = = = = 1 = 1 0 0 1 0 1 = = 0 1 0 = = 0
–   RobboLito 0.21Q 32-bit3012+18
−18		(−27)15.5 − 14.5
(+4−3=23)
51.7%
15.5 / 30
98.5%
−15
= = 0 0 = 1 = = = = = = = = = = = 1 = = = = = 1 = 0 = = = 1
–   Bouquet 1.5 32-bit3009+17
−18		(−30)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
99.3%
+18
= = = 0 = 1 1 1 = 0 = = = 0 1 1 = = = 1 = = 0 1 = 1 1 0 = = 1 =
–   Sting SF 2 32-bit3002+17
−17		(−37)21.5 − 10.5
(+13−2=17)
67.2%
21.5 / 32
99.9%
+66
= = = 1 = 1 1 1 1 1 = 1 1 1 = = = = = 0 = 1 0 = = 1 = 1 = 1 = =
–   DeepSaros 3.0 32-bit2998+18
−18		(−41)35.5 − 28.5
(+20−13=31)
55.5%
35.5 / 64
100.0%
−8
= 1 = = 0 0 0 = = 1 = 1 1 = = = 0 1 1 = = 1 = 0 0 1 = = = 0 1 1 0 = = 1 = 1 1 = 1 = = = 0 = 0 = 1 1 = = 0 = = = 0 1 1 1 = 0 1 =
–   Gull II b2 32-bit2981+17
−18		(−58)38.5 − 25.5
(+19−6=39)
60.2%
38.5 / 64
100.0%
−2
0 = = = 1 1 = = 1 1 = 1 = = = 1 1 = = = = 1 = 0 = = = 0 1 = 1 = = = 0 = 1 1 0 1 = = = 1 = 1 = 0 = = 1 1 = = = 1 = = = 1 = = = =
–   Gull II 32-bit2977+18
−18		(−62)17.5 − 14.5
(+9−6=17)
54.7%
17.5 / 32
100.0%
−36
0 1 1 1 0 0 = 1 = = = 1 = = = = = = 0 1 1 0 = = = = 1 1 = = 0 =
–   Hiarcs 142960+10
−10		(−79)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
+42
1 1 1 1 = 1 1 0 = 1 1 = 1 0 1 = = 1 1 = = = 1 = = 1 0 0 = = 1 1
–   Fritz 132959+11
−11		(−80)17 − 15
(+9−7=16)
53.1%
17.0 / 32
100.0%
−61
1 = = 0 0 1 1 1 = = = 1 0 = 0 1 0 1 = = 1 0 = = = = = = 0 = = 1
–   Naum 4.2 32-bit2958+10
−10		(−81)19 − 13
(+11−5=16)
59.4%
19.0 / 32
100.0%
−25
1 = 1 0 = = = 0 1 = 1 1 = 1 = = 1 = 1 0 = 1 0 = = 1 = = 0 1 = =
–   Protector 1.5.0 32-bit2947+25
−25		(−92)20.5 − 8.5
(+13−1=15)		70.7%
20.5 / 29
100.0%
+29
= = 1 = = 1 = = 0 = = 1 = = 1 = 1 1 = 1 1 = 1 1 1 1 = = 1
–   Deep Sjeng c't 20102940+10
−10		(−99)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
−7
= 1 1 1 0 = 1 = 1 = 1 0 1 = 1 1 1 = 1 0 1 = 1 = 1 0 = 0 = = = =
–   Chiron 1.5 32-bit2939+15
−15		(−100)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
−58
= = = = 0 = = = 1 = 0 = 1 = 1 = = 1 1 1 = 1 = = = 0 0 = 1 1 = =
–   Chiron 1.1a 32-bit2930+15
−14		(−109)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+40
1 1 = 1 = 0 1 1 0 1 = = 1 = = 1 1 1 1 1 1 1 = = 1 1 = = 1 1 0 0
–   Hannibal 1.3 32-bit2929+17
−17		(−110)10 − 4
(+8−2=4)		71.4%
10.0 / 14
100.0%
+41
= 1 1 1 = = = 1 1 1 0 1 0 1
–   Shredder 12 32-bit2928+8
−7		(−111)42.5 − 21.5
(+31−10=23)
66.4%
42.5 / 64
100.0%
−3
1 = = 1 1 1 = 1 1 = 1 1 1 0 = = 1 = 0 = 1 0 = = = 1 0 = = 0 1 1 0 = 1 = 1 = = 1 0 0 0 = 1 = 1 1 1 0 = 1 1 1 1 = 1 1 1 1 = 1 1 =
–   Spike 1.4 Leiden2914+8
−8		(−125)23 − 9
(+15−1=16)
71.9%
23.0 / 32
100.0%
+6
1 = 1 1 = = 1 1 = 1 1 1 0 1 1 = 1 = = = = = = 1 = = 1 = = 1 1 =
–   Rybka 2.3.2a 32-bit2912+9
−9		(−127)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−16
= 1 0 1 = 1 1 = 1 1 = 1 = 1 = = 0 = 1 1 = 1 1 = = = = = 1 = 1 =
–   Hannibal 1.2 32-bit2905+14
−14		(−134)23 − 9
(+16−2=14)
71.9%
23.0 / 32
100.0%
+3
= = = 1 1 1 1 0 1 = 1 1 1 = = = = 1 = = = 1 = = = 1 1 1 1 1 1 0
–   Quazar 0.4 32-bit2879+12
−12		(−160)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−25
= 1 = 1 1 1 = 1 0 1 = = 1 = 1 1 0 1 = = = = 1 1 1 1 0 1 1 1 = 0
1095 games: 350 wins, 192 losses, 553 draws (50.5%), score: 57.2%

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