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 1.1 32-bit (2870+14
−14		)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
–   Polaris 1.7.0 64-bit2955+19
−19		(+85)9.5 − 14.5
(+4−9=11)		39.6%
9.5 / 24
0.0%
+14
–   Cheng 4.39 64-bit2941+9
−9		(+71)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+42
–   tomitankChess 5.1 64-bit2940+12
−12		(+70)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.0%
−33
–   Rodent II 0.9.64 64-bit2936+19
−19		(+66)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.0%
+70
–   ChessBrainVB 3.312936+21
−21		(+66)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+25
–   RubiChess 1.2.1 64-bit2930+16
−16		(+60)6.5 − 7.5
(+2−3=9)		46.4%
6.5 / 14
0.0%
+32
–   Arasan 19.0.1 64-bit2924+21
−21		(+54)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.0%
−111
–   Francesca MAD 0.28 64-bit2920+20
−20		(+50)3 − 11
(+1−9=4)		21.4%
3.0 / 14
0.0%
−165
–   Atlas 3.91 64-bit2916+11
−11		(+46)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
0.0%
+74
–   Winter 0.5 64-bit2914+14
−14		(+44)7 − 7
(+3−3=8)		50.0%
7.0 / 14
0.0%
+47
–   Cheng4 0.38 64-bit2911+19
−19		(+41)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
−26
–   Gogobello 2.1 64-bit2909+16
−16		(+39)4.5 − 7.5
(+1−4=7)		37.5%
4.5 / 12
0.0%
−38
–   Rybka 2.2 32-bit2905+13
−13		(+35)11.5 − 18.5
(+2−9=19)
38.3%
11.5 / 30
0.0%
−41
–   Counter 3.4 64-bit2900+18
−18		(+30)6.5 − 7.5
(+1−2=11)		46.4%
6.5 / 14
0.4%
+7
–   Invictus r305 64-bit2898+14
−14		(+28)6 − 8
(+5−7=2)		42.9%
6.0 / 14
0.3%
−35
–   Andscacs 0.71 64-bit2896+22
−22		(+26)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
2.4%
−71
–   FabChess 1.13 64-bit2892+14
−14		(+22)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
1.2%
−3
–   ChessBrainVB 3.202890+21
−21		(+20)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
6.5%
+51
–   Cadie 1.4 64-bit2889+18
−18		(+19)12.5 − 11.5
(+5−4=15)		52.1%
12.5 / 24
4.6%
+33
–   EXchess 7.88b 64-bit2886+22
−22		(+16)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
11.7%
+51
–   Rybka 2.1 32-bit2885+18
−18		(+15)14.5 − 15.5
(+5−6=19)
48.3%
14.5 / 30
9.8%
+3
–   Rodent II 0.9.33 64-bit2885+23
−23		(+15)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
14.0%
−104
–   Rybka 1.2 32-bit2882+14
−14		(+12)14 − 16
(+5−7=18)
46.7%
14.0 / 30
11.7%
−6
–   Wasp 1.02 64-bit2868+21
−21		(−2)3 − 7
(+0−4=6)		30.0%
3.0 / 10
58.1%
−127
–   Clovis III 64-bit2867+12
−12		(−3)9 − 15
(+3−9=12)		37.5%
9.0 / 24
63.9%
−91
–   DisasterArea 1.65 64-bit2862+11
−11		(−8)6 − 4
(+4−2=4)		60.0%
6.0 / 10
82.2%
+63
–   Demolito 2017-06-18 64-bit2859+22
−22		(−11)3 − 7
(+2−6=2)		30.0%
3.0 / 10
81.1%
−184
–   Asymptote 0.7 64-bit2859+18
−18		(−11)7.5 − 2.5
(+7−2=1)		75.0%
7.5 / 10
82.6%
+218
–   Weiss 1.0 64-bit2847+21
−21		(−23)9 − 7
(+6−4=6)		56.3%
9.0 / 16
96.7%
+17
–   DisasterArea 1.54 64-bit2839+15
−15		(−31)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
99.9%
+4
–   ChessBrainVB 3.032832+21
−21		(−38)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
99.8%
+7
–   Cheese 3.0.0 64-bit2823+15
−15		(−47)11 − 5
(+8−2=6)		68.8%
11.0 / 16
100.0%
+94
–   NirvanaChess 1.6 64-bit2822+22
−22		(−48)5 − 5
(+3−3=4)		50.0%
5.0 / 10
100.0%
−47
–   Rodent II 0.8.7 64-bit2815+22
−22		(−55)6 − 4
(+3−1=6)		60.0%
6.0 / 10
100.0%
+6
–   Rybka 1.0 32-bit2802+12
−12		(−68)19 − 11
(+10−2=18)
63.3%
19.0 / 30
100.0%
+19
–   Loop 10.32f2774+17
−17		(−96)14 − 11
(+9−6=10)		56.0%
14.0 / 25
100.0%
−54
–   Junior 102750+11
−11		(−120)14.5 − 11.5
(+8−5=13)		55.8%
14.5 / 26
100.0%
−84
–   Fruit 2.2.12749+11
−11		(−121)23 − 8
(+16−1=14)
74.2%
23.0 / 31
100.0%
+44
–   Fritz 92749+12
−12		(−121)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
100.0%
−79
–   Hiarcs 102747+14
−14		(−123)25 − 11
(+18−4=14)
69.4%
25.0 / 36
100.0%
+20
–   Naum 2.1 32-bit2747+17
−17		(−123)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
100.0%
+16
–   Toga II 1.1a 32-bit2734+14
−14		(−136)23.5 − 7.5
(+17−1=13)
75.8%
23.5 / 31
100.0%
+43
–   Shredder 92734+16
−16		(−136)22 − 9
(+16−3=12)
71.0%
22.0 / 31
100.0%
+12
–   Hiarcs 10 Hypermodern2723+17
−17		(−147)37.5 − 15.5
(+27−5=21)
70.8%
37.5 / 53
100.0%
+5
–   Ktulu 82709+7
−7		(−161)27 − 13
(+18−4=18)
67.5%
27.0 / 40
100.0%
−35
–   Spike 1.12690+13
−13		(−180)33 − 9
(+27−3=12)
78.6%
33.0 / 42
100.0%
+37
–   Zap!Chess Paderborn 32-bit2683+19
−19		(−187)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+31
–   Junior 92676+15
−15		(−194)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+152
–   Ktulu 7.52663+13
−13		(−207)24 − 7
(+19−2=10)
77.4%
24.0 / 31
100.0%
−5
–   SmarThink 1.00 32-bit2663+13
−13		(−207)24 − 7
(+18−1=12)
77.4%
24.0 / 31
100.0%
−10
–   CM10th Xperience2659+11
−11		(−211)22 − 9
(+16−3=12)
71.0%
22.0 / 31
100.0%
−56
–   CM10th Ogre2655+17
−17		(−215)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
–   Spike 1.0a2647+16
−16		(−223)18 − 11
(+13−6=10)		62.1%
18.0 / 29
100.0%
−133
–   CM10th Magic II2641+13
−13		(−229)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+8
–   CM10th Warrior2633+20
−20		(−237)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−237
–   Ktulu 7.12633+15
−15		(−237)25.5 − 4.5
(+23−2=5)
85.0%
25.5 / 30
100.0%
+54
–   Chess Tiger 152632+15
−15		(−238)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−34
–   Slow Chess Blitz WV2.12631+10
−10		(−239)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Glaurung 1.0.2 32-bit2629+15
−15		(−241)27.5 − 3.5
(+25−1=5)
88.7%
27.5 / 31
100.0%
+85
–   Gandalf 62628+10
−10		(−242)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+24
–   CM10th Default2625+12
−12		(−245)25 − 5
(+22−2=6)
83.3%
25.0 / 30
100.0%
+27
–   Ruffian 2.1.02612+11
−11		(−258)11.5 − 1.5
(+11−1=1)		88.5%
11.5 / 13
100.0%
+90
–   Naum 1.91 32-bit2597+13
−13		(−273)28.5 − 2.5
(+26−0=5)
91.9%
28.5 / 31
100.0%
+84
–   Scorpio 1.72587+25
−25		(−283)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Aristarch 4.502586+10
−10		(−284)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Chess Tiger 20042585+23
−23		(−285)23.5 − 2.5
(+21−0=5)		90.4%
23.5 / 26
100.0%
+47
–   Pseudo 0.7c2581+11
−11		(−289)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   WildCat 62581+19
−19		(−289)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−254
–   Delfi 4.62577+24
−24		(−293)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−130
–   ProDeo 1.12570+25
−25		(−300)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   SOS 5.12551+11
−11		(−319)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−284
1308 games: 589 wins, 208 losses, 511 draws (39.1%), score: 64.6%

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