CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Rybka 2.2 32-bit (2905+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 27 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Defenchess 1.1f 64-bit3027+11
−11		(+122)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.0%
−6
–   Peacekeeper 1.60 64-bit3012+18
−18		(+107)9 − 11
(+6−8=6)		45.0%
9.0 / 20
0.0%
+67
–   Amoeba 3.1 64-bit2996+18
−18		(+91)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
+26
–   SlowChess Blitz Classic 1.5 64-bit2980+19
−19		(+75)7 − 13
(+5−11=4)		35.0%
7.0 / 20
0.0%
−48
–   Zahak 7.0 64-bit2962+21
−21		(+57)7 − 7
(+6−6=2)		50.0%
7.0 / 14
0.0%
+61
–   Combusken 1.0.0 64-bit2961+22
−22		(+56)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
0.0%
+26
–   Berserk 3.2.1 64-bit2959+21
−21		(+54)6 − 6
(+4−4=4)		50.0%
6.0 / 12
0.0%
+53
–   Topple 0.7.4 64-bit2959+22
−22		(+54)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.0%
−48
–   Texel 1.03 64-bit2946+21
−21		(+41)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.0%
−65
–   Godel 6.0 64-bit2945+16
−16		(+40)5 − 9
(+2−6=6)		35.7%
5.0 / 14
0.0%
−63
–   Cheese 3.1.1 64-bit2935+15
−15		(+30)7.5 − 12.5
(+3−8=9)		37.5%
7.5 / 20
0.2%
−64
–   Rybka 2.3.2a 32-bit2933+7
−7		(+28)9 − 11
(+2−4=14)		45.0%
9.0 / 20
0.0%
−2
–   Amoeba 2.6 64-bit2932+17
−17		(+27)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
0.6%
+68
–   Crafty 25.6 64-bit2931+15
−15		(+26)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.4%
+26
–   Fruit Reloaded 15th ann. 64-bit2930+17
−17		(+25)10 − 10
(+4−4=12)		50.0%
10.0 / 20
0.9%
+25
–   Amoeba 2.7 64-bit2922+11
−11		(+17)2 − 8
(+0−6=4)		20.0%
2.0 / 10
2.1%
−194
–   Rybka 2.1 32-bit2885+18
−18		(−20)18.5 − 11.5
(+10−3=17)
61.7%
18.5 / 30
96.5%
+59
–   Rybka 1.2 32-bit2882+14
−14		(−23)16.5 − 13.5
(+6−3=21)
55.0%
16.5 / 30
99.2%
+8
–   Rybka 1.1 32-bit2870+14
−14		(−35)18.5 − 11.5
(+9−2=19)
61.7%
18.5 / 30
100.0%
+41
–   Thinker 5.4a Inert 32-bit2849+18
−18		(−56)40.5 − 25.5
(+22−7=37)
61.4%
40.5 / 66
100.0%
+20
–   Hiarcs 11.12800+13
−13		(−105)22 − 12
(+14−4=16)
64.7%
22.0 / 34
100.0%
−2
–   Zap!Chess Zanzibar 32-bit2792+16
−16		(−113)12 − 8
(+8−4=8)		60.0%
12.0 / 20
100.0%
−33
–   Fritz 102788+13
−13		(−117)17 − 13
(+12−8=10)
56.7%
17.0 / 30
100.0%
−65
–   Hiarcs 112785+21
−21		(−120)23.5 − 12.5
(+17−6=13)
65.3%
23.5 / 36
100.0%
−6
–   Shredder 102780+11
−11		(−125)24.5 − 13.5
(+19−8=11)
64.5%
24.5 / 38
100.0%
−10
–   Loop 13.6 (Loop 2007)2780+8
−8		(−125)32 − 10
(+25−3=14)
76.2%
32.0 / 42
100.0%
+69
–   Loop 13.5 32-bit2777+22
−22		(−128)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+96
–   Loop 10.32f2774+17
−17		(−131)35.5 − 11.5
(+26−2=19)
75.5%
35.5 / 47
100.0%
+48
–   Loop 12.322768+19
−19		(−137)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+29
–   Toga II 1.2.1a 32-bit2766+10
−10		(−139)29 − 13
(+19−3=20)
69.0%
29.0 / 42
100.0%
−8
–   Hiarcs X50 Hypermodern2764+26
−26		(−141)14.5 − 7.5
(+10−3=9)		65.9%
14.5 / 22
100.0%
−26
–   Hiarcs X54 Hypermodern 32-bit2760+25
−25		(−145)19 − 9
(+14−4=10)		67.9%
19.0 / 28
100.0%
−13
–   Strelka 1.0b 32-bit2755+23
−23		(−150)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+20
–   Hiarcs X502751+16
−16		(−154)32 − 13
(+26−7=12)
71.1%
32.0 / 45
100.0%
+12
–   Spike 1.2 Turin2750+6
−6		(−155)34.5 − 21.5
(+24−11=21)
61.6%
34.5 / 56
100.0%
−65
–   Junior 102750+11
−11		(−155)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−15
–   Fritz 92749+12
−12		(−156)33 − 14
(+26−7=14)
70.2%
33.0 / 47
100.0%
−1
–   Fruit 2.2.12749+11
−11		(−156)28 − 6
(+24−2=8)
82.4%
28.0 / 34
100.0%
+97
–   Hiarcs X54 32-bit2748+24
−24		(−157)8 − 4
(+6−2=4)		66.7%
8.0 / 12
100.0%
−25
–   Naum 2.1 32-bit2747+17
−17		(−158)34.5 − 15.5
(+25−6=19)
69.0%
34.5 / 50
100.0%
−19
–   Hiarcs 102747+14
−14		(−158)19.5 − 10.5
(+12−3=15)
65.0%
19.5 / 30
100.0%
−55
–   Toga II 1.2 32-bit2741+22
−22		(−164)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+125
–   Hiarcs 10 Hypermodern2723+17
−17		(−182)14.5 − 5.5
(+11−2=7)		72.5%
14.5 / 20
100.0%
−13
–   Junior 10.12722+22
−22		(−183)22.5 − 11.5
(+19−8=7)
66.2%
22.5 / 34
100.0%
−48
–   Ktulu 82709+7
−7		(−196)29 − 7
(+24−2=10)
80.6%
29.0 / 36
100.0%
+39
–   Chess Tiger 2007.12703+8
−8		(−202)13.5 − 8.5
(+9−4=9)		61.4%
13.5 / 22
100.0%
−118
–   Fritz 8 Bilbao2703+24
−24		(−202)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
−72
–   Naum 2.0 32-bit2696+13
−13		(−209)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
−42
–   Glaurung 2 epsilon/5 32-bit2694+24
−24		(−211)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−48
–   Chess Tiger 20072680+11
−11		(−225)16 − 2
(+14−0=4)		88.9%
16.0 / 18
100.0%
+86
–   Glaurung 1.2.1 Avalanche 32-bit2667+28
−28		(−238)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−238
–   SmarThink 1.00 32-bit2663+13
−13		(−242)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−241
–   Scorpio 1.912659+11
−11		(−246)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−83
–   CM10th Xperience2659+11
−11		(−246)9.5 − 2.5
(+7−0=5)		79.2%
9.5 / 12
100.0%
−37
–   Glaurung 1.2.1 Crusader 32-bit2658+27
−27		(−247)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+44
–   CM9000 Enforcer2656+15
−15		(−249)9.5 − 4.5
(+7−2=5)		67.9%
9.5 / 14
100.0%
−114
–   CM10th Paralyse2654+12
−12		(−251)37.5 − 4.5
(+34−1=7)
89.3%
37.5 / 42
100.0%
+78
–   Scorpio 1.842650+24
−24		(−255)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Glaurung 1.2.1 32-bit2650+14
−14		(−255)27.5 − 5.5
(+23−1=9)
83.3%
27.5 / 33
100.0%
+2
–   CM10th Pestilence2649+18
−18		(−256)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−26
–   Scorpio 1.82634+17
−17		(−271)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
−9
–   Slow Chess Blitz WV2.12631+10
−10		(−274)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
−10
–   WildCat 72619+12
−12		(−286)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−123
–   ProDeo 1.22610+15
−15		(−295)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Pharaon 3.5.12604+11
−11		(−301)9.5 − 0.5
(+9−0=1)		95.0%
9.5 / 10
100.0%
+124
1411 games: 662 wins, 212 losses, 537 draws (38.1%), score: 65.9%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024