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 2.1 32-bit (2885+18
−18		)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
–   Smallbrain 4.0 64-bit3016+21
−21		(+131)5.5 − 8.5
(+3−6=5)		39.3%
5.5 / 14
0.0%
+48
–   Pirarucu 2.7.4 64-bit2976+15
−15		(+91)4 − 16
(+1−13=6)		20.0%
4.0 / 20
0.0%
−133
–   Leorik 2.5 64-bit2922+19
−19		(+37)9.5 − 10.5
(+4−5=11)		47.5%
9.5 / 20
0.2%
+16
–   Simbelmyne 1.7.0 64-bit2921+23
−23		(+36)11 − 15
(+7−11=8)		42.3%
11.0 / 26
0.5%
−23
–   Rybka 2.2 32-bit2905+13
−13		(+20)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
3.5%
−59
–   Toga II 1.4 beta5c 4CPU2902+16
−16		(+17)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
8.0%
−17
–   Rybka 1.2 32-bit2882+14
−14		(−3)17 − 13
(+9−5=16)
56.7%
17.0 / 30
60.2%
+43
–   Naum 3.1 32-bit2876+13
−13		(−9)1 − 1
(+0−0=2)		50.0%
1.0 / 2
77.7%
−9
–   Rybka 1.1 32-bit2870+14
−14		(−15)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
90.2%
−3
–   Minic 1.39 64-bit2870+23
−23		(−15)5 − 7
(+3−5=4)		41.7%
5.0 / 12
84.1%
−74
–   Deep Shredder 11 64-bit2858+13
−13		(−27)0 − 1
(+0−1=0)		0.0%
0.0 / 1
99.2%
−INF
–   Toga II 1.4.1SE2839+10
−10		(−46)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+124
–   Bright 0.3a 4CPU2839+16
−16		(−46)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−80
–   Hiarcs 122820+12
−12		(−65)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−235
–   Zappa Mexico II 32-bit2820+10
−10		(−65)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−235
–   Toga II 1.4 beta5c2814+20
−20		(−71)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
100.0%
−33
–   Naum 2.2 64-bit2807+23
−23		(−78)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−112
–   Rybka 1.0 32-bit2802+12
−12		(−83)20 − 9
(+12−1=16)		69.0%
20.0 / 29
100.0%
+44
–   Hiarcs 112785+21
−21		(−100)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Shredder 102780+11
−11		(−105)25 − 13
(+16−4=18)
65.8%
25.0 / 38
100.0%
+9
–   Glaurung 2.1 32-bit2775+15
−15		(−110)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+60
–   Loop 10.32f2774+17
−17		(−111)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
+39
–   Loop 12.322768+19
−19		(−117)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Toga II 1.2.1a 32-bit2766+10
−10		(−119)14 − 4
(+12−2=4)		77.8%
14.0 / 18
100.0%
+102
–   Hiarcs X50 Hypermodern2764+26
−26		(−121)4.5 − 0.5
(+4−0=1)		90.0%
4.5 / 5
100.0%
+209
–   Hiarcs X502751+16
−16		(−134)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
100.0%
−96
–   Junior 102750+11
−11		(−135)27 − 11
(+22−6=10)
71.1%
27.0 / 38
100.0%
+28
–   Spike 1.2 Turin2750+6
−6		(−135)24 − 14
(+17−7=14)
63.2%
24.0 / 38
100.0%
−36
–   Fritz 92749+12
−12		(−136)25.5 − 11.5
(+17−3=17)
68.9%
25.5 / 37
100.0%
−3
–   Fruit 2.2.12749+11
−11		(−136)23.5 − 11.5
(+15−3=17)
67.1%
23.5 / 35
100.0%
−23
–   Hiarcs X54 32-bit2748+24
−24		(−137)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−171
–   Hiarcs 102747+14
−14		(−138)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Naum 2.1 32-bit2747+17
−17		(−138)5.5 − 2.5
(+3−0=5)		68.8%
5.5 / 8
100.0%
−21
–   Toga II 1.2 32-bit2741+22
−22		(−144)6.5 − 2.5
(+4−0=5)		72.2%
6.5 / 9
100.0%
0
–   Bright 0.3b2740+20
−20		(−145)20 − 7
(+15−2=10)		74.1%
20.0 / 27
100.0%
+29
–   Scorpio 2.0 32-bit 4CPU2734+21
−21		(−151)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Thinker 5.1d Passive2731+23
−23		(−154)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+7
–   Ktulu 82709+7
−7		(−176)63 − 21
(+48−6=30)
75.0%
63.0 / 84
100.0%
+6
–   SmarThink 1.00 64-bit2706+31
−31		(−179)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Fritz 8 Bilbao2703+24
−24		(−182)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+106
–   Naum 2.0 32-bit2696+13
−13		(−189)3 − 2
(+2−1=2)		60.0%
3.0 / 5
100.0%
−98
–   Spike 1.12690+13
−13		(−195)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−160
–   Zap!Chess Paderborn 32-bit2683+19
−19		(−202)29 − 5
(+25−1=8)
85.3%
29.0 / 34
100.0%
+75
–   Junior 92676+15
−15		(−209)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−208
–   SmarThink 1.00 32-bit2663+13
−13		(−222)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−55
–   Movei 00.8.438 (10 10 10)2662+9
−9		(−223)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−257
–   CM10th Lazarus2661+17
−17		(−224)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   CM9000 Enforcer2656+15
−15		(−229)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+63
–   CM10th Ogre2655+17
−17		(−230)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−135
–   CM10th Paralyse2654+12
−12		(−231)6.5 − 4.5
(+4−2=5)		59.1%
6.5 / 11
100.0%
−169
–   Glaurung 1.2.1 32-bit2650+14
−14		(−235)4 − 1
(+3−0=2)		80.0%
4.0 / 5
100.0%
−18
–   Scorpio 1.842650+24
−24		(−235)11.5 − 2.5
(+10−1=3)		82.1%
11.5 / 14
100.0%
+18
–   CM10th Pestilence2649+18
−18		(−236)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−1
–   CM10th Magic II2641+13
−13		(−244)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−244
–   Scorpio 1.82634+17
−17		(−251)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   CM10th Warrior2633+20
−20		(−252)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Chess Tiger 152632+15
−15		(−253)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−218
–   Slow Chess Blitz WV2.12631+10
−10		(−254)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−87
–   Gandalf 62628+10
−10		(−257)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Chess Tiger 15 Gambit2627+29
−29		(−258)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Ruffian 2.1.02612+11
−11		(−273)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−367
–   Naum 1.91 32-bit2597+13
−13		(−288)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Delfi 5.02585+18
−18		(−300)6.5 − 0.5
(+6−0=1)		92.9%
6.5 / 7
100.0%
+58
–   WildCat 62581+19
−19		(−304)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+1
–   Pseudo 0.7c2581+11
−11		(−304)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−141
–   ProDeo 1.12570+25
−25		(−315)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   SOS 5.12551+11
−11		(−334)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−171
–   Crafty 20.14 32-bit2498+23
−23		(−387)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
−97
761 games: 345 wins, 112 losses, 304 draws (39.9%), score: 65.3%

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