CCRL 40/15
Downloads and Statistics
May 30, 2020
Testing summary:
Total: 1'149'297 games
played by 2'662 programs

White wins: 396'934 (34.5%)
Black wins: 293'660 (25.6%)
Draws: 458'703 (39.9%)
White score: 54.5%

Engine Details

Options
Show each game results
Rybka 1.1 32-bit (2856+17
−17		)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
–   Cheng 4.39 64-bit2922+11
−11		(+66)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+42
= = = 0 = 1 = 1 0 0
–   Rodent II 0.9.64 64-bit2916+22
−22		(+60)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.0%
+64
0 1 = 0 = 1 0 1 = =
–   ChessBrainVB 3.312916+25
−25		(+60)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+24
0 1 0 = = = 0 = 1 =
–   RubiChess 1.2.1 64-bit2908+19
−19		(+52)6.5 − 7.5
(+2−3=9)		46.4%
6.5 / 14
0.0%
+28
0 = 1 = 1 = 0 = = = = 0 = =
–   Arasan 19.0.1 64-bit2907+26
−26		(+51)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.1%
−97
= 0 = = = = 0 0 0 0
–   Francesca MAD 0.28 64-bit2903+25
−25		(+47)3 − 11
(+1−9=4)		21.4%
3.0 / 14
0.1%
−155
0 0 0 = = 0 0 0 = 0 0 = 0 1
–   Atlas 3.91 64-bit2899+13
−13		(+43)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
0.0%
+67
0 = 1 = = 1 = 1 1 0 0 =
–   Winter 0.5 64-bit2894+17
−17		(+38)7 − 7
(+3−3=8)		50.0%
7.0 / 14
0.1%
+40
= = = 0 = = = = 1 1 = 1 0 0
–   Gogobello 2.1 64-bit2892+19
−19		(+36)4.5 − 7.5
(+1−4=7)		37.5%
4.5 / 12
0.3%
−29
= 1 = 0 = = = 0 0 0 = =
–   Cheng4 0.38 64-bit2890+23
−23		(+34)4 − 6
(+1−3=6)		40.0%
4.0 / 10
1.0%
−24
= = 0 1 = = 0 = 0 =
–   Rybka 2.2 32-bit2884+16
−16		(+28)11.5 − 18.5
(+2−9=19)
38.3%
11.5 / 30
0.8%
−37
= = = 0 1 = 0 = 0 = 0 = = = = 0 0 = = = 1 = = 0 0 = = = 0 =
–   Counter 3.4 64-bit2882+20
−20		(+26)6.5 − 7.5
(+1−2=11)		46.4%
6.5 / 14
2.6%
+7
= = = = = = = = 0 = 0 1 = =
–   Andscacs 0.71 64-bit2879+30
−30		(+23)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
8.8%
−60
= = = 0 = 0 = 0 0 1
–   Invictus r305 64-bit2877+21
−21		(+21)6 − 8
(+5−7=2)		42.9%
6.0 / 14
5.9%
−31
= 1 = 0 1 0 0 0 0 1 1 0 1 0
–   FabChess 1.13 64-bit2875+22
−22		(+19)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
8.4%
−1
= = = 0 = 1 = = = 0
–   ChessBrainVB 3.202874+25
−25		(+18)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
11.5%
+45
= = 1 1 0 = 0 = = 1
–   EXchess 7.88b 64-bit2870+25
−25		(+14)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
17.3%
+45
0 1 = 1 = 1 0 = = =
–   Rodent II 0.9.33 64-bit2869+27
−27		(+13)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
20.7%
−91
0 = 1 = 0 0 0 1 = 0
–   Rybka 1.2 32-bit2868+17
−17		(+12)14 − 16
(+5−7=18)
46.7%
14.0 / 30
14.7%
−3
= = 1 = = 0 = = 1 = 0 = 0 = = = = 0 0 0 = = 1 = 1 = 1 0 = =
–   Rybka 2.1 32-bit2862+22
−22		(+6)14.5 − 15.5
(+5−6=19)
48.3%
14.5 / 30
31.4%
−3
0 = = = = = = = = 0 = = 0 1 = 0 = = = 1 0 = 1 1 0 = = 1 = =
–   DisasterArea 1.65 64-bit2849+13
−13		(−7)6 − 4
(+4−2=4)		60.0%
6.0 / 10
73.5%
+55
0 1 0 = = 1 = 1 1 =
–   Asymptote 0.7 64-bit2847+21
−21		(−9)7.5 − 2.5
(+7−2=1)		75.0%
7.5 / 10
74.0%
+203
1 1 1 0 1 1 1 0 = 1
–   Demolito 2017-06-18 64-bit2844+25
−25		(−12)3 − 7
(+2−6=2)		30.0%
3.0 / 10
77.3%
−167
0 = 0 0 0 0 1 = 1 0
–   Wasp 1.02 64-bit2842+28
−28		(−14)3 − 7
(+0−4=6)		30.0%
3.0 / 10
80.2%
−122
= 0 = = = = = 0 0 0
–   DisasterArea 1.54 64-bit2827+18
−18		(−29)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
98.8%
+2
0 = 0 = 1 1 0 1 = 1
–   ChessBrainVB 3.032822+25
−25		(−34)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
98.5%
+3
1 = = 1 1 = 0 0
–   NirvanaChess 1.6 64-bit2821+27
−27		(−35)5 − 5
(+3−3=4)		50.0%
5.0 / 10
98.1%
−35
1 = 1 = = 0 = 1 0 0
–   Rodent II 0.8.7 64-bit2810+27
−27		(−46)6 − 4
(+3−1=6)		60.0%
6.0 / 10
99.8%
+5
= = 0 = 1 = = 1 1 =
–   Rybka 1.0 32-bit2787+14
−14		(−69)19 − 11
(+10−2=18)
63.3%
19.0 / 30
100.0%
+7
1 = 1 = = = 1 = 1 1 = = = 0 1 = = = = = = = = 0 1 = 1 1 1 =
–   Loop 10.32f2765+19
−19		(−91)14 − 11
(+9−6=10)		56.0%
14.0 / 25
100.0%
−55
0 = = 1 = = 0 1 = = = 1 0 0 = 1 0 0 1 1 1 = 1 1 =
–   Fruit 2.2.12744+13
−13		(−112)23 − 8
(+16−1=14)
74.2%
23.0 / 31
100.0%
+37
1 1 1 1 1 1 = = = 1 = 1 1 = = = = = 1 1 1 = 1 1 1 0 1 = = = =
–   Junior 102744+13
−13		(−112)14.5 − 11.5
(+8−5=13)		55.8%
14.5 / 26
100.0%
−81
= = = 1 = = 1 0 = = 0 = 1 1 = 0 = 1 1 0 1 0 = = = 1
–   Naum 2.1 32-bit2743+20
−20		(−113)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
100.0%
+8
= 1 = 1 1 1 0 =
–   Fritz 92742+14
−14		(−114)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
100.0%
−79
= = = 0 = = 1 1 0 1 1 1 0 0 0 1 1 1 1 1 = 0 = = 1 0 0 = 0 1
–   Hiarcs 102740+16
−16		(−116)25 − 11
(+18−4=14)
69.4%
25.0 / 36
100.0%
+12
= = 1 = 0 0 1 = 1 = = 1 1 = 1 = 1 1 1 = = = 1 1 0 0 1 = 1 = 1 1 1 = 1 1
–   Toga II 1.1a 32-bit2731+16
−16		(−125)23.5 − 7.5
(+17−1=13)
75.8%
23.5 / 31
100.0%
+39
1 1 1 = 1 = 1 1 = 1 = 1 1 = = 1 1 = 1 = 1 = 1 = = 1 = = 1 0 1
–   Shredder 92726+18
−17		(−130)22 − 9
(+16−3=12)
71.0%
22.0 / 31
100.0%
+1
1 = 1 = = 1 = 1 1 0 1 1 = 1 = 1 = 1 = 0 1 1 = 1 = 1 = 1 1 = 0
–   Hiarcs 10 Hypermodern2718+20
−20		(−138)37.5 − 15.5
(+27−5=21)
70.8%
37.5 / 53
100.0%
−1
1 0 1 = = 1 = 1 1 1 = = 1 = = = 1 = 1 = 1 1 1 1 1 = 0 = 1 1 1 1 1 0 1 0 1 1 1 = = 1 = = = 0 = = 1 1 = 1 =
–   Ktulu 82707+9
−9		(−149)27 − 13
(+18−4=18)
67.5%
27.0 / 40
100.0%
−39
1 = 1 = = 0 = = 1 1 0 = = = 0 1 = = = 1 1 = 1 1 1 1 = 1 = 1 1 1 1 = = = 1 1 = 0
–   Spike 1.12689+15
−15		(−167)33 − 9
(+27−3=12)
78.6%
33.0 / 42
100.0%
+37
1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 0 1 1 1 = 1 = 1 = = 1 0 1 = = 1 1 1 1 0 = 1 = 1 1 1 =
–   Zap!Chess Paderborn 32-bit2682+21
−21		(−174)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+30
1 1 1 1 1 1 = 1 = 1 1 1 1 = 0 = 1 = = = 1 1 1 = = 1 = 1 1 1
–   Junior 92676+17
−17		(−180)27 − 3
(+25−1=4)
90.0%
27.0 / 30
100.0%
+173
= 1 1 0 = 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
–   SmarThink 1.00 32-bit2666+15
−15		(−190)24 − 7
(+18−1=12)
77.4%
24.0 / 31
100.0%
−8
= = 1 = = 1 1 1 = = 1 = 1 = 1 = 1 1 1 0 1 1 = = 1 1 = 1 1 1 1
–   Ktulu 7.52664+16
−16		(−192)24 − 7
(+19−2=10)
77.4%
24.0 / 31
100.0%
−3
1 1 = 1 1 1 1 = 1 1 0 1 = 1 1 1 = 1 1 1 1 1 = 1 = = = = 1 = 0
–   CM10th Xperience2661+13
−13		(−195)22 − 9
(+16−3=12)
71.0%
22.0 / 31
100.0%
−58
0 1 0 1 1 = = = = 1 1 = = 1 = = = = = 1 1 = 1 1 1 1 1 0 1 1 1
–   Zap!Chess Reykjavik 32-bit2658+34
−35		(−198)8.5 − 2.5
(+6−0=5)		77.3%
8.5 / 11
100.0%
−29
1 = 1 = = 1 = 1 1 = 1
–   Spike 1.0a2649+19
−18		(−207)18 − 11
(+13−6=10)		62.1%
18.0 / 29
100.0%
−129
1 0 1 1 = 0 0 1 1 1 1 = = 1 = 0 = 1 = = 1 = 0 0 1 = 1 1 =
–   CM10th Ogre2648+23
−23		(−208)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   CM10th Magic II2644+16
−16		(−212)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+13
= 1 1 = 1 = 1 = 1 = 1 = = = 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 = 1 1
–   Slow Chess Blitz WV2.12637+12
−12		(−219)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Ktulu 7.12637+18
−18		(−219)25.5 − 4.5
(+23−2=5)
85.0%
25.5 / 30
100.0%
+68
0 1 1 = 1 1 1 1 1 = 1 1 = 1 1 1 1 0 1 1 1 1 1 = 1 1 1 1 = 1
–   Chess Tiger 152636+17
−17		(−220)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−30
1 1 = 1 0 = = 1 1 = 1 1 1 = 1 1 = 1 = 1 = 1 1 1 1 = = 1 1 =
–   Glaurung 1.0.2 32-bit2635+17
−17		(−221)27.5 − 3.5
(+25−1=5)
88.7%
27.5 / 31
100.0%
+108
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
–   Gandalf 62634+11
−11		(−222)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+36
1 1 1 1 1 1 = 1 1 1 1 1 1 = = = 1 1 = 1 1 1 1 1 1 1 0 = 1 = = 1
–   CM10th Warrior2634+25
−25		(−222)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−222
1 0
–   CM10th Default2632+15
−15		(−224)25 − 5
(+22−2=6)
83.3%
25.0 / 30
100.0%
+40
= 1 1 1 1 1 1 0 0 1 1 1 1 1 1 = 1 1 1 1 = = = = 1 1 1 1 1 1
–   Ruffian 2.1.02624+13
−13		(−232)11.5 − 1.5
(+11−1=1)		88.5%
11.5 / 13
100.0%
+126
= 1 1 0 1 1 1 1 1 1 1 1 1
–   Naum 1.91 32-bit2606+15
−15		(−250)28.5 − 2.5
(+26−0=5)
91.9%
28.5 / 31
100.0%
+116
1 = 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1
–   Scorpio 1.72605+32
−32		(−251)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Aristarch 4.502596+12
−12		(−260)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Chess Tiger 20042595+26
−26		(−261)23.5 − 2.5
(+21−0=5)		90.4%
23.5 / 26
100.0%
+75
= 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 = 1 = 1 1
–   Delfi 4.62594+31
−31		(−262)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−119
= 1
–   WildCat 62594+21
−21		(−262)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−231
=
–   Pseudo 0.7c2591+13
−13		(−265)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   ProDeo 1.12588+30
−31		(−268)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   SOS 5.12564+13
−13		(−292)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−261
=
1205 games: 568 wins, 176 losses, 461 draws (38.3%), score: 66.3%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on May 30, 2020