CCRL 40/40
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 1'102'078 games
played by 2'571 programs
150620 CPU days (X2 4600+)

White wins: 381'985 (34.7%)
Black wins: 283'767 (25.7%)
Draws: 436'326 (39.6%)
White score: 54.5%

Engine Details

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Rybka 2.2 32-bit (2884+17
−16		)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
–   Defenchess 1.1f 64-bit2998+12
−12		(+114)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.0%
−2
0 1 0 = 0 =
–   SlowChess Blitz Classic 1.5 64-bit2957+22
−22		(+73)7 − 13
(+5−11=4)		35.0%
7.0 / 20
0.0%
−34
0 0 1 1 0 1 = 0 1 0 0 0 = 1 0 0 = 0 = 0
–   Godel 6.0 64-bit2932+22
−22		(+48)5 − 9
(+2−6=6)		35.7%
5.0 / 14
0.0%
−41
= = = 0 1 0 0 = = = 0 0 0 1
–   Texel 1.03 64-bit2924+24
−25		(+40)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.3%
−51
= = = 0 0 = 1 = 0 0
–   Amoeba 2.6 64-bit2912+20
−20		(+28)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
1.6%
+64
= = = = = 1 0 1
–   Rybka 2.3.2a 32-bit2912+9
−9		(+28)9 − 11
(+2−4=14)		45.0%
9.0 / 20
0.1%
+2
= 1 0 = = = 0 = = = = = = = 1 = 0 0 = =
–   Amoeba 2.7 64-bit2906+14
−14		(+22)2 − 8
(+0−6=4)		20.0%
2.0 / 10
2.2%
−176
= = 0 0 0 = 0 0 0 =
–   Rybka 1.2 32-bit2869+17
−17		(−15)16.5 − 13.5
(+6−3=21)
55.0%
16.5 / 30
89.4%
+11
0 = = = = = 1 = = = = = = = = 0 = = 0 = = 1 = 1 1 = = = 1 1
–   Rybka 2.1 32-bit2863+22
−22		(−21)18.5 − 11.5
(+10−3=17)
61.7%
18.5 / 30
93.0%
+47
= 1 = 1 = = = 1 = 1 0 = = 0 = 1 = 1 = = 1 = 1 = 1 = = = 1 0
–   Rybka 1.1 32-bit2856+18
−18		(−28)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
98.7%
+37
= = 1 1 = = = 0 = = 1 1 = = = 1 = 1 = 1 = = = = = 1 0 = 1 =
–   Thinker 5.4a Inert 32-bit2835+21
−21		(−49)40.5 − 25.5
(+22−7=37)
61.4%
40.5 / 66
100.0%
+16
1 = 0 = 1 = = 1 = 1 1 = = = = 1 = = = = 0 1 = 1 = = = = 1 1 = 0 = = = 1 1 1 = = = = = 1 = = 1 1 0 1 = = 1 = 1 0 = = = = = 1 0 1 0 1
–   Hiarcs 11.12789+15
−15		(−95)22 − 12
(+14−4=16)
64.7%
22.0 / 34
100.0%
−6
1 = 1 1 1 = 1 = = 1 1 = 1 1 1 1 1 = = 0 1 0 0 = = = = 0 = = = 1 = =
–   Zap!Chess Zanzibar 32-bit2781+19
−19		(−103)12 − 8
(+8−4=8)		60.0%
12.0 / 20
100.0%
−35
1 1 1 1 = 1 = 0 = = = 0 0 1 = 1 0 = = 1
–   Fritz 102778+15
−15		(−106)17 − 13
(+12−8=10)
56.7%
17.0 / 30
100.0%
−62
1 1 0 1 1 0 1 = 1 0 = = 1 0 1 = 1 1 1 0 1 = = 0 = 0 = = = 0
–   Hiarcs 112776+25
−25		(−108)23.5 − 12.5
(+17−6=13)
65.3%
23.5 / 36
100.0%
−7
0 0 = 1 = = = 1 1 1 = 0 1 = 1 = = = 1 0 1 = 1 0 1 = = = 1 0 1 1 1 1 1 1
–   Loop 13.5 32-bit2774+27
−27		(−110)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+103
1 1 0 = = 1 = 1 1 1 1 1 = = = = 1 1 1 1 1 1 1 1 0 1 = 1 1 1 = 1
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10		(−111)32 − 10
(+25−3=14)
76.2%
32.0 / 42
100.0%
+69
1 0 1 = 1 1 = = 0 1 1 1 = 1 1 = 1 = 1 = 1 = = 1 1 0 1 1 1 1 = = 1 1 1 = 1 1 1 = 1 =
–   Shredder 102771+13
−13		(−113)24.5 − 13.5
(+19−8=11)
64.5%
24.5 / 38
100.0%
−13
0 1 1 1 1 = 1 0 1 1 1 1 = 1 1 0 0 0 1 1 1 = 1 = 0 0 1 = 1 = 0 = = = = 1 1 =
–   Loop 10.32f2765+19
−19		(−119)35.5 − 11.5
(+26−2=19)
75.5%
35.5 / 47
100.0%
+44
= = 1 0 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
–   Loop 12.322762+22
−22		(−122)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+28
1 = 1 =
–   Toga II 1.2.1a 32-bit2759+12
−12		(−125)29 − 13
(+19−3=20)
69.0%
29.0 / 42
100.0%
−9
1 0 = = 1 1 1 = = 1 1 = 1 = 1 = = = 1 1 1 = = = = = 1 = = = 1 1 0 = 0 1 1 = 1 1 1 =
–   Hiarcs X54 Hypermodern 32-bit2755+29
−28		(−129)19 − 9
(+14−4=10)		67.9%
19.0 / 28
100.0%
−13
0 = 0 = = 1 1 1 = = 1 1 1 = 0 0 1 = = 1 = 1 1 1 1 1 1 =
–   Hiarcs X50 Hypermodern2755+30
−30		(−129)14.5 − 7.5
(+10−3=9)		65.9%
14.5 / 22
100.0%
−29
= 1 = 1 = 1 1 = 1 = = = 0 0 1 0 1 1 = 1 1 =
–   Strelka 1.0b 32-bit2750+28
−28		(−134)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+23
1 =
–   Spike 1.2 Turin2745+7
−7		(−139)34.5 − 21.5
(+24−11=21)
61.6%
34.5 / 56
100.0%
−61
= 1 1 0 1 = 1 = = 0 = 1 = 1 = 1 = 0 0 1 = = 1 1 0 1 1 = = 1 0 1 0 = 1 1 = 1 = = 1 1 1 0 1 1 = = 0 1 = 0 = = 0 1
–   Hiarcs X502744+19
−19		(−140)32 − 13
(+26−7=12)
71.1%
32.0 / 45
100.0%
+10
1 0 1 1 1 1 1 0 = = = = 1 = = 0 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 0 1 1 = = 0 1 = 1 = 1 0 0 =
–   Junior 102744+13
−13		(−140)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−15
0 1 = 0 = 1 0 1 = 1 = = = = = 1 = 1 1 1 1 1 1 1 1 0 1 = = = 1 1
–   Fruit 2.2.12743+13
−13		(−141)28 − 6
(+24−2=8)
82.4%
28.0 / 34
100.0%
+104
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
–   Naum 2.1 32-bit2743+20
−20		(−141)34.5 − 15.5
(+25−6=19)
69.0%
34.5 / 50
100.0%
−16
1 1 = 1 = 1 = 1 = 1 1 = 1 0 = = = = = 0 1 0 = 1 = = 0 1 = 1 = 1 1 1 1 1 1 1 = 1 1 1 0 1 0 1 = = = 1
–   Fritz 92742+14
−14		(−142)33 − 14
(+26−7=14)
70.2%
33.0 / 47
100.0%
−4
= 1 1 1 = = 1 0 1 = 0 = 1 = 1 1 0 1 1 0 0 0 1 1 1 1 1 = 1 1 = = = 1 1 = 1 1 1 1 = 0 1 = 1 = 1
–   Hiarcs 102740+16
−16		(−144)19.5 − 10.5
(+12−3=15)
65.0%
19.5 / 30
100.0%
−55
1 1 0 = 1 0 0 = = = = = = 1 = 1 1 = = 1 1 1 = 1 1 = = = 1 =
–   Toga II 1.2 32-bit2735+25
−25		(−149)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+134
1 1 1 =
–   Hiarcs X54 32-bit2730+32
−32		(−154)8 − 4
(+6−2=4)		66.7%
8.0 / 12
100.0%
−36
1 = 1 = 1 1 1 = 0 0 = 1
–   Junior 10.12721+25
−25		(−163)22.5 − 11.5
(+19−8=7)
66.2%
22.5 / 34
100.0%
−42
0 0 1 1 0 1 = 1 0 1 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1 = 0 1 0 0 0 1 1 =
–   Hiarcs 10 Hypermodern2718+20
−20		(−166)14.5 − 5.5
(+11−2=7)		72.5%
14.5 / 20
100.0%
−13
= 1 1 1 = 1 1 1 = 1 1 = 0 1 1 0 = 1 = =
–   Ktulu 82706+9
−9		(−178)29 − 7
(+24−2=10)
80.6%
29.0 / 36
100.0%
+43
0 = 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
–   Chess Tiger 2007.12704+10
−10		(−180)13.5 − 8.5
(+9−4=9)		61.4%
13.5 / 22
100.0%
−107
= = 1 1 0 1 = = = 1 = 0 1 = = = 0 1 1 1 0 1
–   Fritz 8 Bilbao2700+28
−28		(−184)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
−66
1 0 1 1 1 0 = 0 1 0 1 = 1 = 1 = = 1 1 1 1 = = = 1 0 1 0 1 1
–   Glaurung 2 epsilon/5 32-bit2697+27
−27		(−187)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−44
1 =
–   Naum 2.0 32-bit2697+15
−15		(−187)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
−36
= 1 = 1 = = = = 1 1 1 = 1 1 = = = 1 1 0 1 = 0 1 1 1 = 1 1 = 1 1 1 =
–   Chess Tiger 20072681+12
−12		(−203)16 − 2
(+14−0=4)		88.9%
16.0 / 18
100.0%
+108
= 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1
–   Zap!Chess Paderborn SE 32-bit2670+34
−34		(−214)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−71
= 1
–   Glaurung 1.2.1 Avalanche 32-bit2668+32
−32		(−216)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−216
= =
–   Scorpio 1.842667+32
−32		(−217)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   SmarThink 1.00 32-bit2665+15
−15		(−219)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−219
0 1
–   Glaurung 1.2.1 Crusader 32-bit2663+32
−32		(−221)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+67
1 1 1 = 1 1 1 =
–   Scorpio 1.912661+13
−14		(−223)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−80
1 =
–   CM10th Xperience2661+13
−13		(−223)9.5 − 2.5
(+7−0=5)		79.2%
9.5 / 12
100.0%
−30
1 = = 1 = = 1 = 1 1 1 1
–   CM9000 Enforcer2657+20
−20		(−227)9.5 − 4.5
(+7−2=5)		67.9%
9.5 / 14
100.0%
−108
0 = 1 0 1 1 = 1 1 = = 1 = 1
–   Glaurung 1.2.1 32-bit2655+16
−16		(−229)27.5 − 5.5
(+23−1=9)
83.3%
27.5 / 33
100.0%
+18
1 1 1 = 1 = = = 1 1 1 = 1 1 1 = 1 = 1 1 = 1 1 1 1 1 = 0 1 1 1 1 1
–   CM10th Paralyse2652+15
−15		(−232)37.5 − 4.5
(+34−1=7)
89.3%
37.5 / 42
100.0%
+100
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
–   Scorpio 1.82640+20
−20		(−244)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
+9
1 1 = 1 1 = 1 = 1 1
–   CM10th Pestilence2639+25
−25		(−245)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−26
1 1 =
–   Slow Chess Blitz WV2.12637+12
−12		(−247)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
+9
1 1 = 1 = 1 = 1 1 1
–   WildCat 72624+14
−14		(−260)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−117
1 =
–   ProDeo 1.22619+18
−17		(−265)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Pharaon 3.5.12613+13
−13		(−271)9.5 − 0.5
(+9−0=1)		95.0%
9.5 / 10
100.0%
+177
= 1 1 1 1 1 1 1 1 1
1283 games: 632 wins, 168 losses, 483 draws (37.6%), score: 68.1%

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Created in 2005-2013 by CCRL team
Last games added on November 30, 2019