CCRL 40/15
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 1'218'554 games
played by 2'788 programs

White wins: 418'779 (34.4%)
Black wins: 308'204 (25.3%)
Draws: 491'571 (40.3%)
White score: 54.5%

Engine Details

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Rybka 4.1 32-bit (3029+12
−12		)Quote
Author: Vasik Rajlich (USA) Link: Homepage
Information: There is some debate in the chess community about whether or not early versions of the Rybka engine contain parts of Fruit code
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 32-bit3134+20
−20		(+105)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−2
0 0 1 0 0 0 1 0 0 1 = 0 0 1 0 1 = = 0 = 1 0 0 0 = = = = 0 = 0 =
–   Houdini 2.0c 32-bit3101+13
−13		(+72)34.5 − 53.5
(+16−35=37)
39.2%
34.5 / 88
0.0%
+2
= = = = = = 1 0 = 0 = 0 = = = = 0 0 0 0 = = 1 1 1 = = = = 0 0 = 0 = = = 0 = 0 0 0 1 = 1 = 1 0 1 = 1 0 1 = 0 0 = 0 = 0 0 1 = 0 1 0 = 0 = 1 = = = 0 0 = 0 0 0 0 0 0 0 0 1 1 = 0 1
–   Houdini 1.5a 32-bit3088+12
−12		(+59)13.5 − 20.5
(+5−12=17)
39.7%
13.5 / 34
0.0%
−2
1 = = 1 0 = 1 = 0 = 0 = = 1 0 0 0 = 1 0 = = = = = = 0 0 = 0 = 0 = 0
–   Strelka 5.5 32-bit3085+15
−15		(+56)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
0.0%
+66
= = = = = = = = = = = = 0 1 = 1 0 1 = 0 1 1 = = 0 0 = 1 = =
–   Strelka 5.1 32-bit3079+15
−15		(+50)15 − 25
(+4−14=22)
37.5%
15.0 / 40
0.0%
−23
= 0 0 = 0 = = = 0 0 0 0 = = 1 = = = = = = = 0 = 0 = 0 = = 1 1 0 = = 0 0 = = 0 1
–   Critter 1.4 32-bit3070+13
−13		(+41)19 − 31
(+8−20=22)
38.0%
19.0 / 50
0.0%
−32
= 1 = 0 0 = 0 = = = 0 1 1 1 0 = = 0 0 = = 0 0 = 1 0 0 0 = 0 0 = = 0 = = 0 = 1 0 1 0 = = 0 = 1 0 = =
–   Critter 1.6 32-bit3066+19
−19		(+37)12 − 19
(+3−10=18)
38.7%
12.0 / 31
0.0%
−29
0 0 0 = = = = 0 = = 0 0 = = = = 0 = = = 1 = 0 = = = 0 = 0 1 1
–   Critter 1.6a 32-bit3066+16
−16		(+37)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−26
= = = 0 1 = = = = = = = 1 = 0 0 0 = 0 = 0 = = = = 0 0 0 = 0 1 =
–   Critter 1.2 32-bit3058+14
−14		(+29)21.5 − 24.5
(+7−10=29)
46.7%
21.5 / 46
0.1%
+11
= = = = = 1 0 1 = = = 1 = = = 1 = 0 = 0 0 = 0 = = = 1 0 1 = 0 1 0 0 = = = = = = 0 = = = = =
–   Stockfish 2.2.2 32-bit3049+14
−14		(+20)27 − 23
(+13−9=28)
54.0%
27.0 / 50
1.5%
+41
= 1 1 1 = 0 1 = 1 = 0 0 = = 1 = = 0 = = = 1 = = = 0 = = = 1 = = 1 = 1 = 0 1 0 = = = 1 0 1 0 = = = =
–   Komodo 5 32-bit3046+16
−16		(+17)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
4.4%
+21
0 = = = 0 1 1 = 1 = 1 = 0 1 = = 0 = 1 = = = = = = = = = 0 = 0 1
–   Stockfish 2.3.1 32-bit3038+17
−17		(+9)16 − 16
(+10−10=12)
50.0%
16.0 / 32
18.1%
+10
= 1 0 0 = = 0 0 = = = 1 1 1 0 = 1 0 0 1 = 1 0 0 1 1 1 0 = = = =
–   Komodo 4 32-bit3031+16
−16		(+2)30 − 20
(+14−4=32)
60.0%
30.0 / 50
40.7%
+60
= 1 1 = = 1 0 = = 1 = 1 = 0 0 1 = 1 = = = 1 = 1 = = 1 = = = = 1 = = 1 = = = = = = 1 = = = 0 = 1 = =
–   Vitruvius 1.11C 32-bit3029+15
−14		(0)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
50.9%
−67
= 1 0 = = = 0 0 = = 0 = 0 = = 1 = = 0 0 0 = = = 0 = = = 1 0
–   Stockfish 2.1.1 32-bit3027+15
−15		(−2)23.5 − 26.5
(+10−13=27)
47.0%
23.5 / 50
59.8%
−20
0 = 1 0 = 1 1 = 0 0 0 = = 0 = = = 1 = = = 1 = = 0 = 0 1 0 = 0 = 1 = = 1 = 0 0 = = = 0 1 = = = 1 = =
–   Komodo 3 32-bit3022+14
−14		(−7)21 − 21
(+11−11=20)
50.0%
21.0 / 42
78.3%
−7
0 = = = = = 0 0 = 0 0 0 1 1 1 0 1 1 = 0 = = = 0 1 = = 0 1 = = 0 = = = 1 1 = = 1 1 =
–   IvanHoe 9.46h 32-bit3022+14
−13		(−7)23 − 27
(+8−12=30)
46.0%
23.0 / 50
78.4%
−28
= = 0 = 1 0 = 0 = = 0 = = = = = = 0 = = 1 = = = 0 1 = 1 1 1 0 = = 0 = = = 0 = = 1 0 = 0 1 = 0 = = =
–   DeepSaros 2.3j 32-bit3020+15
−15		(−9)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
83.7%
−42
= = 0 = 1 = 0 = 1 1 = 1 0 = 0 = = = = 0 0 = = 0 0 0 = = = 1 = = = = 0 = 0 1 = = 0 1
–   Critter 1.01 32-bit3019+18
−18		(−10)18.5 − 23.5
(+7−12=23)
44.0%
18.5 / 42
82.5%
−47
0 = = = = 0 = 1 = = = 0 = = 0 0 1 1 = 0 = 1 0 = = 1 0 = = 0 = = 0 = = = 0 = 1 = 1 0
–   Bouquet 1.6 32-bit3015+18
−18		(−14)14.5 − 15.5
(+3−4=23)
48.3%
14.5 / 30
90.0%
−21
= = = = = = = = = 0 = = = 0 = = = 0 = = = 0 1 = 1 1 = = = =
–   RobboLito 0.21Q 32-bit3012+18
−18		(−17)16 − 14
(+8−6=16)
53.3%
16.0 / 30
94.1%
+2
0 = = = = 0 0 = 0 1 = 1 1 1 0 = = = 1 = = 0 1 1 = = = 1 = =
–   Stockfish 2.0.1 32-bit3010+17
−16		(−19)19.5 − 18.5
(+6−5=27)
51.3%
19.5 / 38
96.6%
−11
= = = = = = = = 1 = = = 1 1 = = 0 = = 0 = = = = = = = = = 0 1 = 1 0 = = 1 0
–   Bouquet 1.5 32-bit3009+18
−17		(−20)15 − 17
(+6−8=18)
46.9%
15.0 / 32
97.0%
−37
1 1 = = 1 0 = = = = 0 0 0 = = = = 1 0 = = 1 1 0 0 = = = = 0 = =
–   Komodo 2.03 32-bit3006+16
−16		(−23)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.8%
+4
0 = = 0 = 0 = = = = 1 1 1 0 0 = = = = 1 = 1 = 1 = = 1 0 0 1 = 1 1 =
–   Sting SF 2 32-bit3001+17
−17		(−28)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
99.6%
0
1 1 = = = 1 1 1 = 1 = = 1 = 0 = 0 = 0 1 = = = 1 0 = = 0 = 0 1 0
–   DeepSaros 3.0 32-bit2997+18
−18		(−32)18 − 14
(+8−4=20)
56.3%
18.0 / 32
99.8%
+3
= = = 1 = = = 1 0 = = = 0 0 0 1 = 1 = = = = = 1 1 1 = = = = 1 =
–   Gull II b2 32-bit2981+18
−18		(−48)20.5 − 11.5
(+11−2=19)
64.1%
20.5 / 32
100.0%
+32
= = 1 = 1 = 1 = = = 1 = 1 = = 1 = = = = = = 1 0 = 1 1 = 1 = 0 1
–   Gull II 32-bit2977+18
−18		(−52)17 − 15
(+5−3=24)
53.1%
17.0 / 32
100.0%
−35
= = = 0 = = = = = 0 = = = = = = 1 = = = = 0 = = = = 1 = 1 1 = 1
–   Hiarcs 142960+10
−10		(−69)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+33
0 = 1 1 = = = = 1 = 1 = 1 = = 1 0 1 = = 0 1 = 1 1 = 1 1 1 = = 1
–   Fritz 132959+11
−11		(−70)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−13
1 = 1 1 = = = = = = 1 = = 0 = 1 = = 0 0 = = = 1 = = 1 1 = 1
–   Naum 4.2 32-bit2957+10
−10		(−72)32.5 − 21.5
(+19−8=27)
60.2%
32.5 / 54
100.0%
−10
1 1 = = 0 1 1 1 1 1 = = 1 = = 0 = = 0 1 1 = 1 = = = 0 1 = = = 1 = 1 = = = = 1 = = 1 0 = 1 0 0 = = 1 = = 0 1
–   Deep Sjeng c't 20102940+10
−10		(−89)38.5 − 19.5
(+26−7=25)
66.4%
38.5 / 58
100.0%
+14
= = 0 1 = = = 1 1 = 1 1 1 = 1 1 = = = = 1 1 1 = 1 0 0 1 = 1 1 1 = = 0 1 = 0 = = 1 1 1 = 1 = 1 0 1 1 1 0 = = = = = 1
–   Chiron 1.5 32-bit2939+16
−16		(−90)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
−2
1 = 0 = 1 1 = 1 0 = 0 1 0 1 = 1 = = = 1 1 = = 1 1 1 0 1 1 = = =
–   Chiron 1.1a 32-bit2930+14
−15		(−99)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
+6
1 1 = = = 1 = 1 = 0 = 1 = = 1 1 0 = 1 = = = 1 = = = = 1 1 1 1 1 1 = = = = 1
–   Hannibal 1.3 32-bit2929+17
−17		(−100)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
100.0%
−36
1 1 1 1 = 1 = = = = = 1 = = 0 1 = = = = = 1 1 = = = = = 0 =
–   Shredder 12 32-bit2928+8
−7		(−101)54 − 26
(+34−6=40)
67.5%
54.0 / 80
100.0%
+2
= 1 = = = = = 1 = 1 1 = = = 1 1 1 1 = = = 1 = = = 1 = = = 0 1 = 1 1 = 0 = 0 1 1 1 1 = 0 1 = 1 1 1 1 1 1 = = = = 1 = 1 0 = 1 1 0 = = = = = = = 1 1 = 1 = 1 1 = 1
–   Komodo 1.3 32-bit2916+16
−16		(−113)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+56
1 1 1 = 1 1 = = 1 = = = 1 = 1 1 = 1 1 = = 0 1 1 1 1 = = = = = 1 1 1 = 1 1 1
–   Deep Junior 13 32-bit2915+18
−18		(−114)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+37
1 = = 1 = 1 = 1 = 1 = 0 1 1 1 = = 1 1 1 = = 1 1 1 1 = = 1 = 0 1
–   Spike 1.4 Leiden2914+8
−8		(−115)36.5 − 17.5
(+24−5=25)
67.6%
36.5 / 54
100.0%
−6
= 1 1 1 1 1 = = 1 = 0 0 = 1 1 = 1 = 1 1 1 1 1 1 1 = = = = 1 1 1 = = 1 = = 0 1 = 0 = 1 1 = = = = = 1 = 0 = =
–   Deep Junior 12.5 32-bit2908+16
−15		(−121)28.5 − 13.5
(+20−5=17)
67.9%
28.5 / 42
100.0%
−5
1 1 = 1 = = = 1 0 1 1 1 0 = 0 1 1 0 0 = = = = 1 = = = 1 1 1 1 1 1 1 = 1 = = = 1 = 1
–   Deep Junior 13.3 32-bit2908+14
−15		(−121)23.5 − 8.5
(+16−1=15)
73.4%
23.5 / 32
100.0%
+23
= 1 = = 1 = 1 = = = = 1 1 = 1 1 0 1 = 1 = 1 1 1 = 1 = = 1 = 1 1
–   Hannibal 1.2 32-bit2905+14
−14		(−124)17.5 − 12.5
(+9−4=17)
58.3%
17.5 / 30
100.0%
−77
0 1 = = = 1 = = 1 = = 1 1 1 0 = 0 0 = = 1 1 = = = = = = 1 =
–   Hiarcs 13.22894+11
−10		(−135)33 − 13
(+24−4=18)
71.7%
33.0 / 46
100.0%
+3
= 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 = = = 1 = 1 1 0 1 1 = 1 = 1 1 0 = = 1 0 = = = 0 = 1 1 = = =
–   Fritz 122885+11
−11		(−144)26 − 10
(+17−1=18)
72.2%
26.0 / 36
100.0%
−9
1 1 = = = = 1 0 = = 1 = 1 = = = = = 1 = = 1 1 1 1 1 1 1 1 1 1 = = = = 1
–   Gull 1.0a 32-bit2884+12
−12		(−145)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−18
= 0 = = 1 1 1 = = 1 = 1 1 1 = = 1 1 = 1 1 = 1 0 1 = = 1 1 0
–   Quazar 0.4 32-bit2878+12
−12		(−151)22 − 7
(+16−1=12)		75.9%
22.0 / 29
100.0%
+17
1 1 = 1 1 1 1 1 = = = = = = 1 0 = 1 1 = 1 = = = 1 1 1 1 1
–   Protector 1.4.0 32-bit2877+11
−11		(−152)26 − 8
(+21−3=10)
76.5%
26.0 / 34
100.0%
+36
0 = 1 = 1 = 1 0 1 = 1 = 1 = 1 1 = 1 = 1 1 1 1 = 1 = 1 1 1 0 1 1 1 1
–   Gull 1.2 32-bit2876+12
−12		(−153)33 − 5
(+28−0=10)
86.8%
33.0 / 38
100.0%
+123
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 = =
–   Hannibal 1.1 32-bit2869+13
−13		(−160)25.5 − 8.5
(+18−1=15)
75.0%
25.5 / 34
100.0%
−4
= = = = 1 1 1 1 1 1 1 1 0 1 = 1 1 = 1 = 1 = = 1 = 1 = = 1 = 1 = 1 =
–   Spark 1.0 32-bit2863+11
−11		(−166)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+25
0 1 1 1 1 1 1 1 1 1 = 1 1 1 1 0 = = 1 1 = 0 = = 1 1 = 1 = 1
–   Thinker 5.4d Inert 32-bit2856+10
−10		(−173)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+41
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		(−186)18.5 − 10.5
(+13−5=11)		63.8%
18.5 / 29
100.0%
−95
1 0 0 = = 1 = = = 1 0 = 1 = = 0 1 1 0 1 = 1 1 = 1 1 1 1 =
–   Cyclone xTreme2823+13
−13		(−206)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+34
1 1 1 1 1 1 0 1 1 1 = = 1 = 1 1 1 1 = 0 = = 1 1 1 = 1 1 1 1
–   Hannibal 1.0a 32-bit2800+12
−12		(−229)23.5 − 6.5
(+21−4=5)
78.3%
23.5 / 30
100.0%
−4
1 0 = = 1 1 1 = 1 = 1 1 1 1 1 1 1 0 1 1 1 = 1 1 1 1 0 1 0 1
–   MinkoChess 1.2 32-bit2779+14
−14		(−250)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+105
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
2103 games: 720 wins, 359 losses, 1024 draws (48.7%), score: 58.6%

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Created in 2005-2013 by CCRL team
Last games added on February 20, 2021