CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Engine Details

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Rybka 1.1 64-bit (2903+20
−20		)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
–   Arasan 20.2 64-bit3021+25
−25		(+118)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−13
= 0 0 0 1 = 0 = 0 =
–   SmarThink 1.96 64-bit3006+20
−20		(+103)4 − 8
(+2−6=4)		33.3%
4.0 / 12
0.0%
−11
0 = 0 1 = = 1 = 0 0 0 0
–   BlackMamba 1.2c 64-bit3001+30
−30		(+98)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+67
0 = = 1
–   SmarThink 1.97 64-bit2994+15
−15		(+91)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−39
0 0 0 = = = 0 = 0 1
–   Bagatur 2.0 64-bit2992+23
−23		(+89)5 − 9
(+0−4=10)		35.7%
5.0 / 14
0.0%
+17
= = = = 0 = = = = 0 = 0 = 0
–   Gull II 64-bit2985+30
−30		(+82)4 − 0
(+4−0=0)		100.0%
4.0 / 4
0.0%
+INF
1 1 1 1
–   NirvanaChess 2.0a 64-bit2984+23
−23		(+81)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+57
= = = 1 = 0 = 0 1 0
–   Topple 0.7.5 64-bit2983+17
−17		(+80)7.5 − 6.5
(+4−3=7)		53.6%
7.5 / 14
0.0%
+102
= = 1 0 0 0 1 = = 1 = 1 = =
–   Vajolet2 2.4 64-bit2968+21
−21		(+65)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−34
= 0 0 0 0 1 0 = = 1
–   Bagatur 1.9a 64-bit2965+28
−28		(+62)5 − 15
(+2−12=6)		25.0%
5.0 / 20
0.0%
−111
0 0 0 = = 1 0 0 = = 1 0 = 0 0 = 0 0 0 0
–   Arasan 20.1 64-bit2963+23
−23		(+60)7 − 9
(+4−6=6)		43.8%
7.0 / 16
0.0%
+20
1 = 0 1 = = = 1 0 0 0 1 0 = = 0
–   Hannibal 1.3 64-bit2962+17
−17		(+59)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
0
= 0 1 0
–   Vajolet2 2.2 64-bit2960+19
−19		(+57)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
0.0%
+32
= = = 0 = = = = 0 1
–   Andscacs 0.72 64-bit2959+26
−26		(+56)2.5 − 7.5
(+2−7=1)		25.0%
2.5 / 10
0.0%
−150
0 = 0 0 0 1 0 1 0 0
–   SmarThink 1.90 64-bit2958+30
−30		(+55)3 − 6
(+2−5=2)		33.3%
3.0 / 9
0.1%
−71
0 = = 0 0 0 1 0 1
–   Pedone 1.4.1 64-bit2956+19
−19		(+53)6.5 − 3.5
(+3−0=7)		65.0%
6.5 / 10
0.0%
+130
1 = = 1 1 = = = = =
–   Fizbo 1.5 64-bit2956+21
−21		(+53)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
0.0%
−72
0 = 1 0 0 0 0 1 1 0
–   Wasp 2.6 64-bit2946+13
−13		(+43)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+43
1 0
–   Arasan 20.0 64-bit2945+26
−26		(+42)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.6%
+42
1 1 = = = = 0 = = 0
–   Nemorino 2.00 64-bit2945+23
−23		(+42)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.3%
+42
0 1 0 0 = = 1 1 = =
–   DeepSaros 3.1a 64-bit2944+30
−30		(+41)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
1.3%
−17
0 = 0 1
–   Deep Shredder 12 64-bit2939+9
−9		(+36)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.1%
−57
= = = 0
–   Rybka 2.2 64-bit2921+29
−28		(+18)15 − 17
(+2−4=26)
46.9%
15.0 / 32
14.8%
0
1 0 = = = = = 0 = = = = = = = 1 = = 0 = = = = = 0 = = = = = = =
–   SmarThink 1.70 64-bit2917+16
−16		(+14)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
13.9%
−70
= 0 = 0 = 0 = = 1 0
–   Dirty CUCUMBER 64-bit2917+12
−12		(+14)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
11.5%
−13
0 = = = = = 0 = 0 1 1 =
–   Vajolet2 2.0 64-bit2916+20
−20		(+13)3 − 5
(+1−3=4)		37.5%
3.0 / 8
17.4%
−57
= 0 1 0 = = = 0
–   Crafty 25.3 64-bit2912+27
−27		(+9)5 − 7
(+2−4=6)		41.7%
5.0 / 12
29.0%
−43
0 = 0 = = = 1 0 0 1 = =
–   Deep Junior 12.5 64-bit2906+30
−30		(+3)10 − 6
(+6−2=8)		62.5%
10.0 / 16
44.0%
+76
0 1 = = 1 1 = = 1 0 = 1 1 = = =
–   Quazar 0.4 64-bit2905+10
−10		(+2)2 − 2
(+1−1=2)		50.0%
2.0 / 4
44.2%
−28
= 0 = 1
–   DiscoCheck 5.2.1 64-bit2894+15
−15		(−9)4 − 6
(+1−3=6)		40.0%
4.0 / 10
76.6%
−64
0 = = 0 = 1 0 = = =
–   Booot 5.2.0 64-bit2893+15
−15		(−10)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
78.2%
+84
= = = 1 = 1 1 1 = 0
–   Fizbo 1.31 64-bit2893+21
−21		(−10)8 − 2
(+6−0=4)		80.0%
8.0 / 10
74.1%
+185
= 1 1 1 1 = = = 1 1
–   Tucano 8.00 64-bit2885+18
−18		(−18)10.5 − 5.5
(+6−1=9)		65.6%
10.5 / 16
90.6%
+67
= = 1 1 = = 1 = 1 = 0 = = = 1 1
–   Scorpio 2.8 64-bit2885+14
−14		(−18)8 − 4
(+6−2=4)		66.7%
8.0 / 12
92.8%
+90
0 = 1 = 1 = = 0 1 1 1 1
–   Arasan 18.3 64-bit2874+27
−27		(−29)7 − 3
(+4−0=6)		70.0%
7.0 / 10
95.6%
+79
= = = 1 1 = 1 = 1 =
–   Thinker 5.4d Inert 64-bit2864+15
−15		(−39)2 − 2
(+1−1=2)		50.0%
2.0 / 4
99.9%
−8
1 0 = =
–   Zap!Chess Paderborn 64-bit 4CPU2849+26
−26		(−54)1.5 − 1.5
(+0−0=3)		50.0%
1.5 / 3
99.9%
−43
= = =
–   Nemo 1.0.1 64-bit2847+12
−12		(−56)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+198
1 1 1 =
–   SmarThink 1.60 64-bit2845+32
−32		(−58)5 − 5
(+2−2=6)		50.0%
5.0 / 10
99.9%
−61
= = = 1 1 = 0 = 0 =
–   Onno 1.2.70 64-bit2835+16
−16		(−68)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−100
= = 0 =
–   Fruit 2.2.12744+13
−13		(−159)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−17
1 1 = 1 = = 1 = 1 0 = = = = 1 = = 1 1 1 = 1 = 1 = 1 1 = 1 1
–   Fritz 92742+14
−14		(−161)46 − 14
(+34−2=24)
76.7%
46.0 / 60
100.0%
+10
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 = = 1 1 = 1 = 1 = 1 1 = 1 1 = = = 1 = 1
–   Hiarcs 102740+16
−16		(−163)41.5 − 17.5
(+33−9=17)
70.3%
41.5 / 59
100.0%
−19
1 1 1 = 0 = 1 1 = 0 1 1 0 = 1 0 1 1 1 1 = = 0 1 1 1 1 = 1 = 1 = = 1 0 = 1 1 1 = 0 1 0 = = 1 = 1 = 1 = 1 1 0 1 1 1 1 1
–   Toga II 1.1a 32-bit2731+16
−16		(−172)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+36
1 = 1 1 1 = 1 = = 1 = = 1 1 1 = 0 1 = 1 1 1 1 = 1 = 1 1 1 1
–   Spike 1.12689+15
−15		(−214)20 − 10
(+12−2=16)
66.7%
20.0 / 30
100.0%
−114
1 = = = = = 1 1 = = 0 0 1 1 1 1 = = = = = = 1 = 1 = 1 1 1 =
–   Junior 92677+17
−17		(−226)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+68
1 = 1 1 1 1 1 1 1 1 1 1 1 1 0 = 1 1 = 1 1 1 = = 1 = 1 1 1 1
–   SmarThink 1.00 32-bit2666+15
−15		(−237)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
−4
= 1 1 1 1 = 1 1 = = 1 1 = 1 1 1 1 1 = 1 = = 1 1 1 1 1 = = 1
–   Ktulu 7.52664+15
−15		(−239)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+37
1 1 1 1 1 1 1 = = 1 1 1 1 = = 1 1 = 1 = 1 1 1 = 1 1 1 1 1 =
–   CM10th Xperience2661+13
−13		(−242)22.5 − 7.5
(+16−1=13)
75.0%
22.5 / 30
100.0%
−84
= = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 = = 1 = 1 = 1 = = = = 0 =
–   Chess Tiger 152637+17
−17		(−266)25 − 4
(+23−2=4)		86.2%
25.0 / 29
100.0%
+43
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 =
–   Glaurung 1.0.2 32-bit2635+17
−17		(−268)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+25
= 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 0 1 = 1 = = = 1 1 1 1 1 1
–   Gandalf 62635+11
−11		(−268)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
−69
1 1 = 1 1 1 = 1 0 1 = = 1 1 1 0 = = = 1 1 1 = 1 1 = 1 1 1 1
–   Slow Chess Blitz WV22616+16
−16		(−287)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+6
1 1 1 0 1 1 1 1 1 1 1 1 1 = 1 = = = 1 1 1 1 1 = 1 1 = 1 1 1
–   Naum 1.91 64-bit2610+15
−15		(−293)25 − 5
(+22−2=6)
83.3%
25.0 / 30
100.0%
−28
1 1 0 = 1 1 1 1 1 1 1 1 1 = = 1 1 = 1 1 1 1 0 = 1 1 1 = 1 1
–   Aristarch 4.502597+12
−12		(−306)26.5 − 5.5
(+22−1=9)
82.8%
26.5 / 32
100.0%
−65
1 1 = 1 = 1 1 0 = 1 1 1 1 1 = 1 1 = = = = 1 = 1 1 1 1 1 1 1 1 1
904 games: 416 wins, 139 losses, 349 draws (38.6%), score: 65.3%

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Created in 2005-2013 by CCRL team
Last games added on March 6, 2021