CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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Rybka 1.0 32-bit (2786+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 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Nemorino 1.02 64-bit2903+23
−23		(+117)3 − 3
(+2−2=2)		50.0%
3.0 / 6
0.0%
+124
0 1 = 1 = 0
–   Gull 1.2 32-bit2876+12
−12		(+90)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+149
= = 1 =
–   Rybka 2.1 32-bit2862+22
−22		(+76)9 − 20
(+1−12=16)		31.0%
9.0 / 29
0.0%
−36
0 0 = = = = 0 = 0 = 0 = 0 0 = 0 0 = = 0 = = = = 0 = 1 0 =
–   Naum 3.1 32-bit2857+16
−16		(+71)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−21
= 0 0 1
–   Rybka 1.1 32-bit2855+17
−17		(+69)11 − 19
(+2−10=18)
36.7%
11.0 / 30
0.0%
−7
0 = 0 = = = 0 = 0 0 = = = 1 0 = = = = = = = = 1 0 = 0 0 0 =
–   Protector 1.3.6 64-bit2852+29
−29		(+66)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−160
0 0 0 1
–   Pirarucu 2.3.8 64-bit2851+22
−22		(+65)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
0.0%
+96
= = 0 1 = = 1 =
–   Counter 3.3 64-bit2848+22
−22		(+62)4 − 8
(+1−5=6)		33.3%
4.0 / 12
0.0%
−31
= = = 1 0 0 = 0 = 0 = 0
–   Bobcat 7.1 64-bit2847+25
−25		(+61)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.0%
+65
= = = 0 = 0 0 1 1 1
–   Booot 5.1.02844+10
−10		(+58)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+125
= = = 1
–   Arasan 17.4 64-bit2842+26
−26		(+56)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−74
0 0 = = 0 1 0 = 0 =
–   Marvin 3.2.0 64-bit2837+16
−16		(+51)6.5 − 9.5
(+2−5=9)		40.6%
6.5 / 16
0.0%
−3
0 = = = = = 0 1 0 0 0 1 = = = =
–   Dirty 3Nov2015 64-bit2836+16
−16		(+50)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.0%
+50
= = = = 1 = = 0 1 0
–   Cheese 2.2 64-bit2835+24
−24		(+49)3.5 − 8.5
(+2−7=3)		29.2%
3.5 / 12
0.0%
−97
0 1 0 1 = = = 0 0 0 0 0
–   Francesca MAD 0.26 64-bit2834+26
−26		(+48)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.1%
+48
1 0 1 = 0 0 = 1 0 1
–   Zappa Mexico 64-bit2833+15
−15		(+47)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−110
0 =
–   Deep Shredder 10 64-bit 4CPU2831+17
−17		(+45)12 − 16
(+6−10=12)		42.9%
12.0 / 28
0.0%
+2
= 0 0 = 0 = 0 = 1 1 = 0 = = 0 0 = = 0 = 1 = 1 = 1 1 0 0
–   MinkoChess 1.3 32-bit2829+31
−31		(+43)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.8%
+84
1 0 1 1 = 1 = 0 = 0
–   Zurichess Neuchatel 64-bit2829+12
−12		(+43)5 − 3
(+3−1=4)		62.5%
5.0 / 8
0.0%
+117
1 0 = 1 1 = = =
–   Bagatur 1.8 64-bit2828+26
−26		(+42)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
0.3%
+13
0 = 0 = 0 = 0 = 1 1 1 = = =
–   Glaurung 2.0.1 64-bit 4CPU2828+17
−17		(+42)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+72
=
–   Cyclone xTreme Fury2827+19
−19		(+41)11 − 9
(+3−1=16)		55.0%
11.0 / 20
0.0%
+63
= = = = 0 = = = = = 1 = = = = = 1 = = 1
–   Rybka 1.0 64-bit2824+14
−14		(+38)14 − 13
(+4−3=20)		51.9%
14.0 / 27
0.0%
+49
= = 0 = = = 0 = 1 = = 1 = = = = = = = = 1 1 = = = 0 =
–   Toga II 1.4.1SE62820+23
−23		(+34)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.8%
+34
= = = =
–   tomitankChess 4.2 64-bit2818+25
−25		(+32)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
1.5%
+7
0 = 1 0 = 1 = 0 = 0 1 =
–   tomitankChess 4.0 64-bit2817+22
−22		(+31)5.5 − 12.5
(+1−8=9)		30.6%
5.5 / 18
0.9%
−83
= 0 0 = 0 0 0 = = 1 = 0 0 = = 0 = =
–   GNU Chess 5.60 64-bit2813+16
−16		(+27)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.8%
−40
0 = 1 = 0 0 0 1 = =
–   Amoeba 2.4 64-bit2811+26
−26		(+25)6 − 4
(+4−2=4)		60.0%
6.0 / 10
5.3%
+93
1 1 = 0 1 0 = = = 1
–   Arasan 17.0 64-bit2811+31
−31		(+25)5 − 5
(+1−1=8)		50.0%
5.0 / 10
7.9%
+25
= = = = = = 0 = = 1
–   Hiarcs 122808+14
−14		(+22)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
1.6%
−73
= 1 0 0
–   Rodent 1.6 64-bit2805+30
−30		(+19)4 − 6
(+3−5=2)		40.0%
4.0 / 10
14.2%
−54
0 = 1 0 0 1 0 0 = 1
–   Topple 0.5.0 64-bit2805+27
−27		(+19)6 − 6
(+3−3=6)		50.0%
6.0 / 12
11.5%
+22
= = 0 1 = 0 1 0 = = = 1
–   Bright 0.2c 4CPU2805+21
−21		(+19)0 − 1
(+0−1=0)		0.0%
0.0 / 1
7.5%
−INF
0
–   Dirty 10Apr2015 64-bit2805+24
−24		(+19)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
9.0%
−65
= = = 0 1 0 = 0 = 0
–   Scorpio 2.7.7 64-bit2804+16
−16		(+18)4 − 6
(+1−3=6)		40.0%
4.0 / 10
5.0%
−40
0 1 = = = = 0 = 0 =
–   Crafty 24.1 64-bit2803+22
−22		(+17)7 − 3
(+6−2=2)		70.0%
7.0 / 10
11.1%
+164
1 1 0 1 = = 1 1 0 1
–   Arasan 17.3 64-bit2801+30
−30		(+15)1.5 − 6.5
(+0−5=3)		18.8%
1.5 / 8
18.5%
−194
0 0 = 0 0 = 0 =
–   Hannibal 1.0a 32-bit2800+12
−12		(+14)7.5 − 6.5
(+6−5=3)		53.6%
7.5 / 14
7.1%
+41
1 = 1 1 1 = 0 1 1 0 0 0 = 0
–   Pedone 1.1 64-bit2797+24
−24		(+11)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
23.5%
−31
1 = 0 0 0 1 0 1 0 1
–   Naum 2.2 64-bit2797+25
−25		(+11)1 − 0
(+1−0=0)		100.0%
1.0 / 1
24.5%
+INF
1
–   GnuCheese 1.00 64-bit2794+16
−16		(+8)6 − 4
(+3−1=6)		60.0%
6.0 / 10
24.5%
+63
0 1 = 1 = = 1 = = =
–   Rhetoric 1.4.3 64-bit2793+12
−12		(+7)3.5 − 6.5
(+0−3=7)		35.0%
3.5 / 10
24.4%
−70
= 0 = = = 0 = = 0 =
–   Marvin 3.1.0 64-bit2790+21
−21		(+4)7 − 5
(+5−3=4)		58.3%
7.0 / 12
37.1%
+55
1 = = 0 0 1 1 = 1 = 0 1
–   Francesca MAD 0.25 64-bit2788+23
−23		(+2)7.5 − 6.5
(+5−4=5)		53.6%
7.5 / 14
46.0%
+23
= 1 0 = 1 0 = 1 0 1 0 = 1 =
–   Atlas 3.70em 64-bit2787+22
−22		(+1)1 − 3
(+0−2=2)		25.0%
1.0 / 4
47.4%
−156
0 = 0 =
–   Fruit 2.3.12785+14
−14		(−1)0 − 1
(+0−1=0)		0.0%
0.0 / 1
53.4%
−INF
0
–   Octochess r5506 64-bit2783+15
−15		(−3)7 − 3
(+5−1=4)		70.0%
7.0 / 10
60.3%
+124
1 1 = = = 1 1 1 0 =
–   Glaurung 2.2 64-bit2782+16
−16		(−4)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
64.5%
−89
0 1 0 =
–   RuyDos 1.1.10 64-bit2781+22
−22		(−5)5 − 5
(+3−3=4)		50.0%
5.0 / 10
64.2%
−5
= 1 = = 0 1 0 0 1 =
–   Cyclone 1.02780+32
−32		(−6)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
63.0%
−65
0 = = =
–   Cheese 2.1 64-bit2780+19
−19		(−6)6 − 6
(+3−3=6)		50.0%
6.0 / 12
69.1%
−9
= = 0 0 1 1 = = 0 = 1 =
–   Pawny 1.2 64-bit2779+13
−13		(−7)7 − 3
(+4−0=6)		70.0%
7.0 / 10
78.0%
+107
= 1 = = = 1 = = 1 1
–   Naraku 1.42774+16
−16		(−12)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
87.0%
−43
= 1 = 1 0 = 0 1 0 0
–   EXchess 7.18b 64-bit2774+23
−23		(−12)2 − 2
(+0−0=4)		50.0%
2.0 / 4
80.3%
−12
= = = =
–   Fruit 05/11/032773+20
−20		(−13)2 − 0
(+2−0=0)		100.0%
2.0 / 2
85.1%
+INF
1 1
–   Shredder 102771+13
−13		(−15)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
95.1%
+22
0 0 1 1 1 0 = = 0 = 1 1 1 = 0 1 = 1 1 = = 0 0 = = = 0 1 = = 1 = 1 = 1 0 = 1 = =
–   Loop M1-T 64-bit2770+30
−30		(−16)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
83.6%
+126
= 1
–   Toga II 1.3.42767+28
−28		(−19)1 − 0
(+1−0=0)		100.0%
1.0 / 1
88.8%
+INF
1
–   Loop 10.32f2765+19
−19		(−21)13.5 − 11.5
(+5−3=17)		54.0%
13.5 / 25
96.1%
0
1 = = = = 0 1 = = = = = 0 1 = = = = 1 1 = = = 0 =
–   Texel 1.01 32-bit2764+28
−28		(−22)2 − 2
(+1−1=2)		50.0%
2.0 / 4
91.7%
−22
1 = = 0
–   Winter 0.3 64-bit2764+25
−25		(−22)9 − 5
(+4−0=10)		64.3%
9.0 / 14
94.0%
+52
1 = = = = = = 1 1 1 = = = =
–   Thinker 5.2e Passive2761+28
−28		(−25)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
94.2%
−92
= = = 0
–   Godel 4.0.7 64-bit2759+19
−19		(−27)6 − 2
(+5−1=2)		75.0%
6.0 / 8
98.9%
+149
1 = 0 1 1 = 1 1
–   Dirty 05Sep2012 64-bit2754+23
−23		(−32)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
99.1%
−114
= 1 0 0
–   Laser 1.1 64-bit2752+27
−27		(−34)7 − 3
(+5−1=4)		70.0%
7.0 / 10
98.5%
+96
= 1 = 1 = 1 0 1 1 =
–   Fruit 2.2.12744+13
−13		(−42)21.5 − 12.5
(+15−6=13)
63.2%
21.5 / 34
100.0%
+47
1 = = 1 = 1 = 1 1 1 = = = 1 1 0 = 1 = 1 0 1 0 = 1 1 1 = 0 = 0 = 1 0
–   Junior 102744+13
−13		(−42)18 − 11
(+9−2=18)		62.1%
18.0 / 29
100.0%
+23
= = = = = = 1 = = = 1 = = = = 0 0 = = 1 1 1 1 1 1 = = = 1
–   Fritz 92742+14
−14		(−44)19.5 − 14.5
(+14−9=11)
57.4%
19.5 / 34
100.0%
+1
0 = = = 1 0 = 1 0 1 0 = 0 = 0 1 1 = = 0 = 1 = 0 1 1 1 1 1 1 1 1 0 =
–   Hiarcs 102740+16
−16		(−46)17.5 − 16.5
(+7−6=21)
51.5%
17.5 / 34
100.0%
−38
1 1 1 0 = = 0 0 = = 0 = 1 = = = 1 = = 0 = = 1 = = = 1 = = = = = 0 =
–   Arasan 16.1 64-bit2738+31
−31		(−48)1 − 3
(+0−2=2)		25.0%
1.0 / 4
99.7%
−204
0 = 0 =
–   Toga II 1.1a 32-bit2731+16
−16		(−55)18 − 16
(+14−12=8)
52.9%
18.0 / 34
100.0%
−32
= 1 = 1 0 1 1 0 0 1 0 0 = 1 1 0 = 1 0 1 1 = 0 0 0 1 1 = 1 0 = 1 0 =
–   Shredder 92726+18
−17		(−60)21 − 17
(+16−12=10)
55.3%
21.0 / 38
100.0%
−20
= 1 = 1 0 0 1 1 1 = 0 = 0 = 0 0 0 = = 1 = 1 1 0 0 0 1 = = 1 1 0 1 1 1 1 0 1
–   Tucano 6.00 64-bit2724+16
−16		(−62)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+37
1 = 1 = 0 1 0 1 = 1
–   Twisted Logic 200806202723+16
−16		(−63)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+173
1 0 1 1
–   Hiarcs 10 Hypermodern2718+20
−20		(−68)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−11
0 1 = 1 1 0 = 0 1 0 = = 1 1 1 0 = = = = = = 0 1 0 = 1 1 1 1
–   Ktulu 82706+9
−9		(−80)29 − 11
(+22−4=14)
72.5%
29.0 / 40
100.0%
+67
1 = 1 1 1 = 1 1 0 = 1 = 0 1 1 = 1 = 0 = 1 1 1 = = 1 1 1 = 1 1 = 1 0 = = 1 = 1 1
–   SmarThink 1.00 64-bit2704+35
−35		(−82)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+9
1 = 1 0
–   Fruit 2.12695+25
−25		(−91)33.5 − 18.5
(+23−8=21)
64.4%
33.5 / 52
100.0%
+1
= 0 = 1 0 1 = = = 1 = = 1 = 0 1 1 1 = 1 1 1 0 1 = = 0 = = = = 1 1 1 1 = = 1 1 = 1 = = 0 1 1 1 0 = 0 1 1
–   Spike 1.12689+15
−15		(−97)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−28
0 = = = 1 0 = 1 1 1 = 1 1 = 1 0 = 1 = 1 0 = 1 0 = 1 = = = = 1 1 = =
–   Glaurung 1.2.1 Beren 64-bit2682+37
−37		(−104)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−30
0 = 0 1 1 1 1 1 1 = = 1 = 0 0 1 0 = 1 1 1 = = = 1 0 = = 1 =
–   Chessmaster 11 Leonidas2680+20
−20		(−106)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−106
= = 0 1
–   Junior 92676+17
−17		(−110)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−37
= 0 = 0 1 = 0 1 0 1 1 0 0 = 1 1 1 = = 1 1 1 = 1 1 = = = 1 = 1 0
–   SmarThink 1.00 32-bit2666+15
−15		(−120)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
+23
0 1 1 1 1 = = 1 = = 1 = 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 = = 1 = 1 = 0 1 = 1
–   Ktulu 7.52664+15
−15		(−122)29 − 8
(+23−2=12)
78.4%
29.0 / 37
100.0%
+72
1 1 = 1 1 0 1 1 1 = = = 1 = 1 0 = 1 = 1 1 1 = 1 1 = 1 1 1 1 = = 1 1 1 = 1
–   CM10th Xperience2661+13
−13		(−125)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−49
= = 0 = 1 1 = 1 = 0 1 = 1 = 1 1 0 = = 1 1 0 0 = 1 0 = 1 1 1
–   Zap!Chess Reykjavik 32-bit2658+34
−35		(−128)6.5 − 4.5
(+3−1=7)		59.1%
6.5 / 11
100.0%
−78
= 0 = = = 1 1 = = = 1
–   Spike 1.0a2650+18
−18		(−136)24.5 − 9.5
(+20−5=9)
72.1%
24.5 / 34
100.0%
+20
1 1 0 1 1 1 1 = 1 1 = = = 1 = = 1 1 1 = 1 0 0 1 = 0 = 1 1 1 1 1 0 1
–   CM10th Ogre2647+22
−23		(−139)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+18
1 1 = =
–   Movei 00.8.4382646+18
−18		(−140)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Scorpio 1.812644+34
−34		(−142)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+14
= 1
–   CM10th Magic II2644+15
−15		(−142)25.5 − 12.5
(+15−2=21)
67.1%
25.5 / 38
100.0%
−42
= = = 1 = 0 1 = = = 1 = 1 1 = 1 1 = = = 1 = = = 1 = 1 1 1 1 0 = = = = = 1 1
–   Ktulu 7.12638+18
−18		(−148)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
−41
1 1 1 0 = 1 = 1 1 = = = = = 1 = 1 0 = 0 1 1 1 = 1 1 = 0 = 1
–   Delfi 5.22636+21
−21		(−150)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Warrior2636+24
−24		(−150)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Chess Tiger 152636+17
−17		(−150)23 − 10
(+17−4=12)
69.7%
23.0 / 33
100.0%
−23
= = 1 = 1 1 = 1 1 0 0 = 1 1 0 1 1 = = = 1 1 1 1 1 = 1 = 1 1 0 = =
–   Gandalf 62635+11
−11		(−151)25 − 12
(+19−6=12)
67.6%
25.0 / 37
100.0%
−33
= = = 1 1 1 = 0 = = = 0 1 0 1 1 1 0 = = = 1 1 1 1 1 1 0 = 0 = 1 1 1 1 1 1
–   Glaurung 1.0.2 32-bit2635+17
−17		(−151)32.5 − 18.5
(+24−10=17)
63.7%
32.5 / 51
100.0%
−58
0 1 1 0 0 1 1 1 1 1 1 = 1 0 0 0 0 1 0 1 1 = 0 = = = = 1 = 1 = 1 = = 1 1 = = 1 1 = 1 = = 0 1 = = 1 1 1
–   CM10th Default2631+14
−15		(−155)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−25
1 = 1 = 1 0 = = 1 1 = = 1 = 1 1 1 1 = 1 1 0 0 = = 1 = 1 1 =
–   Hiarcs 92628+19
−19		(−158)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−32
1 1 0 1 1 0 = 1 0 1 = = 0 1 1 = 1 1 = 1 1 1 = 0 = 1 1 1 = =
–   FabChess 1.11 64-bit2616+32
−32		(−170)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+61
1 1 = 1 1 =
–   Slow Chess Blitz WV22616+16
−16		(−170)22.5 − 5.5
(+20−3=5)		80.4%
22.5 / 28
100.0%
+69
1 0 1 1 1 1 1 1 1 1 = 1 = 1 1 = 0 1 1 1 1 1 = 1 0 = 1 1
–   Colossus 2007d2613+23
−23		(−173)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−203
=
–   Naum 1.91 32-bit2606+15
−15		(−180)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−41
= 0 = = 1 1 = 1 1 = 1 1 1 0 1 1 1 1 1 1 1 = = = 1 = 1 = 1 = = = = =
–   Chess Tiger 20042595+26
−27		(−191)17 − 6
(+14−3=6)		73.9%
17.0 / 23
100.0%
−15
1 1 = = = 0 = 1 1 1 = 0 1 1 1 1 = 1 0 1 1 1 1
–   WildCat 62594+21
−21		(−192)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−106
0 1 = 1
1617 games: 606 wins, 335 losses, 676 draws (41.8%), score: 58.4%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on January 24, 2021