CCRL 40/15
Downloads and Statistics
February 28, 2021
Testing summary:
Total: 1'220'774 games
played by 2'799 programs

White wins: 419'368 (34.4%)
Black wins: 308'512 (25.3%)
Draws: 492'894 (40.4%)
White score: 54.5%

Engine Details

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Rybka 3 64-bit 4CPU (3118+13
−13		)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
–   RubiChess 1.7.3 64-bit 4CPU3290+20
−19		(+172)6.5 − 25.5
(+2−21=9)
20.3%
6.5 / 32
0.0%
−39
0 0 = = 0 0 = 0 = 0 1 0 0 0 = 0 0 0 = 0 0 = 0 0 0 1 = = 0 0 0 0
–   Schooner 2.2 64-bit 4CPU3265+26
−26		(+147)2.5 − 13.5
(+0−11=5)		15.6%
2.5 / 16
0.0%
−99
0 0 0 = 0 = 0 0 = = 0 0 0 = 0 0
–   Arasan 21.4 64-bit 4CPU3217+25
−25		(+99)4 − 10
(+0−6=8)		28.6%
4.0 / 14
0.0%
−20
= 0 = = = 0 0 = = 0 = = 0 0
–   Schooner 2.1 64-bit 4CPU3213+23
−23		(+95)9 − 17
(+2−10=14)		34.6%
9.0 / 26
0.0%
+2
= = = 0 0 = 0 = = 1 0 = 0 = 0 = 1 0 = = 0 = 0 = 0 =
–   SlowChess Blitz Classic 1.9 64-bit 4CPU3181+27
−27		(+63)5 − 11
(+0−6=10)		31.3%
5.0 / 16
0.0%
−39
= = 0 0 = 0 = = = = 0 0 = = 0 =
–   Arasan 21.1 64-bit 4CPU3166+27
−27		(+48)6.5 − 7.5
(+1−2=11)		46.4%
6.5 / 14
0.1%
+31
= 0 = = = = = 1 0 = = = = =
–   Rybka 4 64-bit 4CPU3146+10
−10		(+28)21 − 35
(+6−20=30)
37.5%
21.0 / 56
0.0%
−46
1 = 0 = = = = = = = 0 = 0 0 1 = = 0 0 1 0 = = = = = = = 0 = = = 0 = 0 = 0 0 0 1 = = = 0 = 1 0 = 0 0 0 1 = 0 0 =
–   Laser 1.5 64-bit 4CPU3142+20
−20		(+24)7.5 − 8.5
(+3−4=9)		46.9%
7.5 / 16
2.6%
+5
0 = = = 1 0 = 1 = = 1 = = = 0 0
–   Texel 1.07 64-bit 4CPU3141+14
−14		(+23)11.5 − 12.5
(+5−6=13)		47.9%
11.5 / 24
1.2%
+11
= 1 = = = = 1 = 0 0 = = 0 = 1 1 = = 0 1 = 0 = 0
–   Vajolet2 2.6.1 64-bit 4CPU3135+21
−21		(+17)6.5 − 9.5
(+0−3=13)		40.6%
6.5 / 16
9.1%
−31
= = = = 0 = = = 0 = = = = = 0 =
–   Igel 2.3.1 64-bit 4CPU3133+27
−27		(+15)7 − 11
(+4−8=6)		38.9%
7.0 / 18
16.6%
−60
0 0 = 1 1 = = = 0 0 0 1 0 1 0 = 0 =
–   Wasp 3.75 64-bit 4CPU3132+29
−29		(+14)8.5 − 11.5
(+3−6=11)		42.5%
8.5 / 20
18.6%
−28
= = 0 0 1 0 0 0 = = = = = 0 1 = = = = 1
–   Sting SF 6 64-bit 4CPU3131+28
−28		(+13)9.5 − 10.5
(+3−4=13)		47.5%
9.5 / 20
19.9%
0
= 0 0 = = = = = = 0 1 1 = = = 1 = 0 = =
–   Rybka 3 Human 64-bit 4CPU3105+31
−31		(−13)33 − 27
(+13−7=40)
55.0%
33.0 / 60
77.8%
+12
1 = = = = = = 0 1 = = = = = = = 1 1 1 = = = = = = 0 = = = 1 1 0 = = = = = = = 0 = 1 1 = = 1 1 1 = = 0 = 1 0 = 0 = = = =
–   Stockfish 1.7.1 64-bit 4CPU3103+19
−18		(−15)65 − 64
(+29−28=72)
50.4%
65.0 / 129
91.2%
−12
1 0 1 = 0 0 = = = = = = = = = = 0 0 = 1 = = 0 = = = = = = 1 0 = 1 1 = 0 = 0 = = = 1 0 1 0 1 0 0 0 = = 0 1 = = 1 0 = = = = 0 = 0 0 = 1 1 = 0 1 1 = = 1 1 1 1 = = 1 1 = = 0 = = = 0 = = = = 0 = = 0 = = = 1 1 = 0 0 = = 1 = 1 = = = = = = = = = 1 1 1 0 1 = = = = 0
–   Naum 4.2 64-bit 4CPU3060+10
−10		(−58)27.5 − 21.5
(+15−9=25)
56.1%
27.5 / 49
100.0%
−23
= = = 1 = 0 1 = 1 = 1 = = 1 = = = = 1 = 1 0 = 1 = 0 = = 0 = 1 1 = = = = 1 = 0 1 0 1 0 = 0 = 0 1 1
–   Naum 4.1 64-bit 4CPU3053+27
−27		(−65)33 − 16
(+21−4=24)
67.3%
33.0 / 49
100.0%
+39
0 1 1 1 = 1 1 = 0 = = 1 0 1 1 1 1 = 1 1 = 1 = 1 = = 1 1 0 = 1 = = = = 1 = = = = 1 = = 1 1 = = = =
–   Rybka 3 64-bit3047+11
−11		(−71)34.5 − 19.5
(+19−4=31)
63.9%
34.5 / 54
100.0%
+6
= = 1 = = = 1 = = = = 0 1 1 = = 0 = = = = = = 1 1 = 1 = 0 = = 1 1 = 1 = 1 1 = 1 1 = 1 1 = = = = = 1 = 1 0 1
–   Naum 4 64-bit 4CPU3042+16
−16		(−76)51 − 24
(+34−7=34)
68.0%
51.0 / 75
100.0%
+36
1 = 0 1 = 1 = 1 1 0 = = 1 1 1 = = = 0 1 0 = 1 = 1 1 = 1 = = = = = 1 = 1 1 = = = 1 1 = = 1 = 1 0 1 = = = 1 = 1 = 1 1 1 0 1 1 1 1 = 1 = 1 0 = = = 1 = 1
–   Vajolet2 2.2 64-bit 4CPU3041+26
−27		(−77)13.5 − 6.5
(+8−1=11)		67.5%
13.5 / 20
100.0%
+20
= = = = = 1 = 1 1 = 1 1 = 0 = 1 = = 1 1
–   Stockfish 1.6.3 64-bit 4CPU3036+22
−22		(−82)33.5 − 18.5
(+23−8=21)
64.4%
33.5 / 52
100.0%
+11
= = = = = 1 1 1 1 = = 0 1 0 1 0 1 = 0 0 1 1 1 = = 1 = = 1 = 1 = 1 = = 1 = 0 = 1 0 = 1 1 = 1 1 = 1 1 1 0
–   Deep Shredder 12 64-bit 4CPU3017+10
−10		(−101)29 − 16
(+18−5=22)
64.4%
29.0 / 45
100.0%
−12
0 = 1 1 1 = = = = = 1 = 1 1 = 1 0 1 0 = = 1 0 0 = 1 1 = = 1 = 1 = = = 1 1 = = 1 1 = = 1 =
–   Rybka 2.3.2a 64-bit 4CPU3017+13
−13		(−101)37.5 − 14.5
(+24−1=27)
72.1%
37.5 / 52
100.0%
+30
= 1 0 = 1 1 1 = 1 1 1 = = = = = = 1 = 1 = 1 = = 1 = 1 = 1 1 = 1 = = 1 = 1 1 = 1 1 = = = 1 1 = 1 1 = = =
–   Deep Fritz 11 4CPU2988+29
−29		(−130)27 − 13
(+17−3=20)
67.5%
27.0 / 40
100.0%
−24
0 0 = 1 = = 1 1 = = = 1 = 1 = 1 = = = 1 = = 0 = = 1 = = 1 1 1 1 = 1 1 = = 1 1 1
–   Deep Fritz 12 4CPU2983+34
−34		(−135)19 − 5
(+15−1=8)		79.2%
19.0 / 24
100.0%
+65
1 1 = 1 = 1 0 = 1 1 1 1 1 1 1 1 1 = = 1 = = = 1
–   Zappa Mexico II 64-bit 4CPU2968+10
−10		(−150)39.5 − 14.5
(+26−1=27)
73.1%
39.5 / 54
100.0%
−10
= 1 1 = = = 1 1 = = 1 1 1 1 = = 1 = 1 1 1 = = 0 1 = = = = = 1 1 1 = = 1 1 = 1 = = = 1 1 1 1 1 = 1 1 = = = =
–   Naum 3.1 64-bit 4CPU2967+18
−18		(−151)41.5 − 10.5
(+31−0=21)
79.8%
41.5 / 52
100.0%
+44
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 =
–   Stockfish 1.4 64-bit 4CPU2947+17
−17		(−171)78 − 22
(+59−3=38)
78.0%
78.0 / 100
100.0%
+15
1 = = = 1 1 1 0 1 = 1 0 1 = 1 = 1 = = 1 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 = 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
–   Deep Sjeng WC2008 64-bit 4CPU2925+12
−12		(−193)64 − 19
(+49−4=30)
77.1%
64.0 / 83
100.0%
−10
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 1 1 1 0 1 = 1 1 1 1 = = 1 1 0 = 1 = = 1 1 1 = 1 = = 1 0 1 1 = 1 1 = 1 1
–   Thinker 5.4c Inert 64-bit 4CPU2922+15
−15		(−196)44.5 − 9.5
(+38−3=13)
82.4%
44.5 / 54
100.0%
+48
1 = 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 0 1 1 = 1 0 1 1 1 = 1 1 1 1 1 1 1
–   Komodo 1.0 64-bit2921+14
−14		(−197)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−1
1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 = = 1 = 1 1 1 = = 1 = = 1 = 1 = 1
–   Deep Shredder 11 64-bit 4CPU2916+12
−12		(−202)41 − 15
(+28−2=26)
73.2%
41.0 / 56
100.0%
−60
= 1 1 = = = 1 = = = = = 1 = 0 = 1 1 = 1 = 1 1 1 1 1 = = 1 = = 1 1 1 1 0 1 1 = 1 = = = 1 = 1 = 1 = 1 1 = 1 1 1 =
–   Deep Sjeng 3.0 64-bit 4CPU2907+22
−22		(−211)38 − 12
(+30−4=16)
76.0%
38.0 / 50
100.0%
−30
1 1 1 = 1 1 = 1 1 0 = 1 1 = = 1 = 1 1 1 = 1 1 1 = = 1 1 = 1 = = 1 1 1 = 1 0 0 1 = 1 = 1 1 1 0 1 1 =
–   Thinker 5.4a Inert 64-bit 4CPU2904+23
−23		(−214)35.5 − 6.5
(+31−2=9)
84.5%
35.5 / 42
100.0%
+54
= 1 1 1 0 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
–   Toga II 1.4.1SE 4CPU2903+13
−13		(−215)39.5 − 10.5
(+33−4=13)
79.0%
39.5 / 50
100.0%
−2
= = 1 = 1 1 1 0 1 1 1 0 = 1 1 1 1 1 1 1 = 1 = 1 1 1 = = 1 = 1 = 1 1 1 1 0 = 0 1 1 = 1 1 = 1 1 1 1 1
–   Hiarcs 12.1 4CPU2903+15
−15		(−215)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
−37
= = 1 1 = = = = 1 1 = 1 = 1 = 1 1 = 1 1 1 1 1 = = = 1 = 1 1 1 1
–   Glaurung 2.2 64-bit 4CPU2895+16
−16		(−223)81.5 − 14.5
(+68−1=27)
84.9%
81.5 / 96
100.0%
+33
= 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 = 0 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
–   Bright 0.4a 4CPU2895+15
−15		(−223)38.5 − 7.5
(+33−2=11)
83.7%
38.5 / 46
100.0%
+33
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 0 1 1 0
–   Hiarcs 12 4CPU2892+15
−15		(−226)43 − 9
(+37−3=12)
82.7%
43.0 / 52
100.0%
+23
1 1 1 1 = 1 1 1 1 0 1 = 1 1 = = 1 1 = 1 0 1 1 1 1 = 1 = 1 1 1 0 1 1 = 1 1 1 = 1 1 1 1 1 = 1 1 = 1 1 = 1
–   Hiarcs Paderborn 2007 4CPU2889+19
−19		(−229)45 − 13
(+34−2=22)
77.6%
45.0 / 58
100.0%
−45
= 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 = = = = = 1 1 = 1 0 1 1 = 1 1 = 1 = = = 1 1 =
–   Deep Fritz 10.1 4CPU2887+18
−18		(−231)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
−98
= 1 = 1 1 = 1 = = = 0 1 0 1 1 = = = 1 1 0 1 1 1 0 1 1 = 1 1
–   Glaurung 2.1 64-bit 4CPU2867+19
−19		(−251)82 − 12
(+70−0=24)
87.2%
82.0 / 94
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 = = 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 = = = = 1 1 1 1 = 1 1 1
–   Loop M1-T 64-bit 4CPU2848+11
−12		(−270)36.5 − 9.5
(+28−1=17)
79.3%
36.5 / 46
100.0%
−73
= 1 = 1 = = = 1 1 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
–   Bright 0.3a 4CPU2829+18
−18		(−289)27.5 − 3.5
(+24−0=7)
88.7%
27.5 / 31
100.0%
+18
1 = 1 1 = 1 1 1 = 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 =
–   Deep Junior 10 4CPU2802+14
−14		(−316)48 − 4
(+45−1=6)
92.3%
48.0 / 52
100.0%
+78
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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = 1
2047 games: 982 wins, 222 losses, 843 draws (41.2%), score: 68.6%

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Created in 2005-2013 by CCRL team
Last games added on February 28, 2021