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 2.1 32-bit (2862+22
−22		)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
–   Pirarucu 2.7.4 64-bit2950+17
−17		(+88)4 − 16
(+1−13=6)		20.0%
4.0 / 20
0.0%
−124
0 0 = = 0 1 0 = 0 0 = 0 0 = 0 = 0 0 0 0
–   Toga II 1.4 beta5c 4CPU2884+18
−18		(+22)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
6.6%
−8
=
–   Rybka 2.2 32-bit2884+16
−16		(+22)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
5.1%
−46
= 0 = 0 = = = 0 = 0 1 = = 1 = 0 = 0 = 0 = = = 0 1 0 = = 0 =
–   Rybka 1.2 32-bit2868+17
−17		(+6)17 − 13
(+9−5=16)
56.7%
17.0 / 30
33.3%
+44
1 = 1 = = 0 0 = 1 0 = 0 1 = = 1 = 1 = = = 0 1 = 1 = = 1 = =
–   Naum 3.1 32-bit2857+16
−16		(−5)1 − 1
(+0−0=2)		50.0%
1.0 / 2
65.8%
−5
= =
–   Rybka 1.1 32-bit2856+17
−17		(−6)15.5 − 14.5
(+6−5=19)
51.7%
15.5 / 30
68.3%
+3
= = = = 1 = = 1 = = = = 0 1 = = 0 = = 1 0 = 1 = = = 0 1 = 0
–   Minic 1.39 64-bit2848+28
−28		(−14)5 − 7
(+3−5=4)		41.7%
5.0 / 12
77.8%
−64
0 1 = = = 0 0 1 0 1 = 0
–   Deep Shredder 11 64-bit2843+15
−15		(−19)0 − 1
(+0−1=0)		0.0%
0.0 / 1
92.4%
−INF
0
–   Bright 0.3a 4CPU2829+18
−18		(−33)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
98.8%
−63
=
–   Toga II 1.4.1SE2826+12
−12		(−36)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
99.8%
+121
1 =
–   Zappa Mexico II 32-bit2809+12
−12		(−53)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−210
0 =
–   Hiarcs 122808+14
−14		(−54)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−211
= 0
–   Toga II 1.4 beta5c2802+23
−23		(−60)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
100.0%
−28
0 = = 0 1 1 0 1 1 =
–   Naum 2.2 64-bit2797+25
−25		(−65)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−95
=
–   Rybka 1.0 32-bit2786+14
−14		(−76)20 − 9
(+12−1=16)		69.0%
20.0 / 29
100.0%
+36
1 = 1 = 1 = 1 = 0 1 = 1 1 = = = = 1 = 1 1 = = 1 = = = = 1
–   Hiarcs 112776+25
−25		(−86)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Shredder 102771+13
−13		(−91)25 − 13
(+16−4=18)
65.8%
25.0 / 38
100.0%
+7
1 = 1 1 = 0 = 1 0 1 1 1 1 = 1 = = = 1 = = 1 = = 1 1 = 0 = 0 = 1 = 1 = = 1 =
–   Glaurung 2.1 32-bit2765+17
−18		(−97)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+60
= 1
–   Loop 10.32f2765+19
−19		(−97)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
+38
1 1 1 1 1 1 1 = = = = = 1 = = = 1 = 1 0 1 1 0 = 1 = 1 = = 1
–   Loop 12.322762+22
−22		(−100)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Hiarcs X54 64-bit2760+34
−35		(−102)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2.1a 32-bit2759+12
−12		(−103)14 − 4
(+12−2=4)		77.8%
14.0 / 18
100.0%
+103
1 = 1 1 0 1 1 0 1 1 1 = 1 1 = 1 1 =
–   Hiarcs X50 Hypermodern2756+30
−30		(−106)4.5 − 0.5
(+4−0=1)		90.0%
4.5 / 5
100.0%
+223
1 = 1 1 1
–   Spike 1.2 Turin2745+7
−7		(−117)24 − 14
(+17−7=14)
63.2%
24.0 / 38
100.0%
−31
= 1 1 = 1 0 1 1 = 1 1 0 1 1 0 1 = 0 1 = = 1 1 = 1 = = = 0 = = 1 0 1 1 = = 0
–   Fruit 2.2.12744+13
−13		(−118)23.5 − 11.5
(+15−3=17)
67.1%
23.5 / 35
100.0%
−20
0 = 1 = 1 1 = = 1 = 1 = = = 0 = = = = 1 1 1 = 1 = 1 1 = 1 = 1 = 1 1 0
–   Junior 102744+13
−13		(−118)27 − 11
(+22−6=10)
71.1%
27.0 / 38
100.0%
+30
1 1 1 1 0 = 1 1 1 1 = 0 1 1 = 1 1 = 1 1 = 1 1 = = 0 0 = = 1 1 1 = 1 0 1 1 0
–   Hiarcs X502744+19
−19		(−118)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
100.0%
−86
1 = = = 1 = = 0
–   Naum 2.1 32-bit2743+20
−20		(−119)5.5 − 2.5
(+3−0=5)		68.8%
5.5 / 8
100.0%
−17
= = = = = 1 1 1
–   Fritz 92742+14
−14		(−120)25.5 − 11.5
(+17−3=17)
68.9%
25.5 / 37
100.0%
−3
= 1 1 = = 0 1 1 1 = 0 1 1 = = = 0 = = = = = = 1 1 1 1 1 1 1 = 1 = = 1 = 1
–   Hiarcs 102740+16
−16		(−122)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Toga II 1.2 32-bit2735+25
−25		(−127)6.5 − 2.5
(+4−0=5)		72.2%
6.5 / 9
100.0%
+3
= 1 1 = = 1 1 = =
–   Hiarcs X54 32-bit2731+32
−32		(−131)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−161
=
–   Scorpio 2.0 32-bit 4CPU2731+24
−24		(−131)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Thinker 5.1d Passive2723+27
−27		(−139)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+3
= 1
–   Ktulu 82706+9
−9		(−156)63 − 21
(+48−6=30)
75.0%
63.0 / 84
100.0%
+10
= 1 = 0 1 1 1 1 = = = 0 0 1 1 1 1 = = 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 1 = = = 1 1 1 1 1 = = = = 1 1 1 = 1 1 1 = 1 1 = 1 1 1
–   SmarThink 1.00 64-bit2704+35
−35		(−158)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Fritz 8 Bilbao2700+28
−28		(−162)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+120
= 1 1 1
–   Naum 2.0 32-bit2697+15
−15		(−165)3 − 2
(+2−1=2)		60.0%
3.0 / 5
100.0%
−88
= 0 1 = 1
–   Spike 1.12689+15
−15		(−173)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−142
=
–   Zap!Chess Paderborn 32-bit2682+21
−21		(−180)29 − 5
(+25−1=8)
85.3%
29.0 / 34
100.0%
+91
= 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
–   Junior 92677+17
−17		(−185)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−185
0 1
–   Zap!Chess Paderborn SE 32-bit2670+34
−34		(−192)1 − 2
(+1−2=0)		33.3%
1.0 / 3
100.0%
−325
0 1 0
–   Scorpio 1.842668+31
−32		(−194)11.5 − 2.5
(+10−1=3)		82.1%
11.5 / 14
100.0%
+50
1 = 1 0 1 1 = 1 1 1 = 1 1 1
–   SmarThink 1.00 32-bit2666+15
−15		(−196)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−45
1 1 = =
–   Movei 00.8.438 (10 10 10)2666+11
−11		(−196)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−226
=
–   CM10th Lazarus2661+23
−23		(−201)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zap!Chess Reykjavik 32-bit2658+34
−35		(−204)22 − 7
(+16−1=12)		75.9%
22.0 / 29
100.0%
−37
= 1 1 1 0 1 = 1 1 1 = = 1 1 1 1 = = 1 1 1 = = = 1 = = 1 =
–   CM9000 Enforcer2658+20
−20		(−204)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+85
1 = 1 1
–   Glaurung 1.2.1 32-bit2655+16
−17		(−207)4 − 1
(+3−0=2)		80.0%
4.0 / 5
100.0%
−6
= 1 = 1 1
–   CM10th Paralyse2654+15
−15		(−208)6.5 − 4.5
(+4−2=5)		59.1%
6.5 / 11
100.0%
−156
0 1 1 = = 1 = 1 0 = =
–   CM10th Ogre2648+23
−23		(−214)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−131
1 = 1 0
–   CM10th Magic II2644+16
−16		(−218)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−218
= =
–   CM10th Pestilence2643+23
−24		(−219)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
+8
1 = 1
–   Scorpio 1.82641+19
−20		(−221)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Slow Chess Blitz WV2.12637+11
−12		(−225)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−74
= 1 1 =
–   Chess Tiger 152637+17
−17		(−225)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−194
=
–   CM10th Warrior2636+24
−24		(−226)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Gandalf 62635+11
−11		(−227)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Chess Tiger 15 Gambit2635+33
−33		(−227)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Ruffian 2.1.02624+13
−13		(−238)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−320
= 0 1 0
–   Naum 1.91 32-bit2606+15
−15		(−256)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Delfi 5.02600+20
−20		(−262)6.5 − 0.5
(+6−0=1)		92.9%
6.5 / 7
100.0%
+110
1 1 1 1 = 1 1
–   WildCat 62594+21
−22		(−268)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+28
= 1 1 1
–   Pseudo 0.7c2591+13
−13		(−271)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−128
= 1
–   ProDeo 1.12588+30
−31		(−274)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   SOS 5.12564+13
−13		(−298)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−155
= 1
–   Crafty 20.14 32-bit2517+27
−27		(−345)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
−62
1 1 1 =
707 games: 334 wins, 91 losses, 282 draws (39.9%), score: 67.2%

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