CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Rybka 1.2 64-bit (2898+18
−18		)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
–   Fizbo 1.7 64-bit3059+21
−21		(+161)2 − 8
(+1−7=2)		20.0%
2.0 / 10
0.0%
−69
0 0 = 0 0 1 0 = 0 0
–   Sting SF 8.1 64-bit3037+28
−28		(+139)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−61
0 = 0 = 0 = 0 0 0 =
–   Counter 3.7 64-bit3010+87
−85		(+112)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.6%
+112
0 1
–   Andscacs 0.81 64-bit3005+25
−25		(+107)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+107
= =
–   Winter 0.7 64-bit3001+17
−17		(+103)5 − 11
(+2−8=6)		31.3%
5.0 / 16
0.0%
−19
0 0 0 = 0 1 0 0 = 0 = 0 1 = = =
–   Nemorino 3.0 64-bit2995+19
−19		(+97)8 − 8
(+6−6=4)		50.0%
8.0 / 16
0.0%
+90
0 = 1 = 0 1 0 1 0 = 0 = 1 1 1 0
–   Stash 27.0 64-bit2990+30
−30		(+92)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
0.0%
+46
0 1 1 0 0 1 = 0
–   ChessBrainVB 3.502978+24
−24		(+80)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−24
1 0 0 1 = = 0 = 0 0
–   Pedone 1.6 64-bit2975+19
−19		(+77)3.5 − 6.5
(+0−3=7)		35.0%
3.5 / 10
0.0%
+3
= = = = = 0 = 0 = 0
–   Marvin 3.5.0 64-bit2972+22
−23		(+74)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−54
= = 0 0 1 0 0 = = 0
–   Senpai 1.0 64-bit2960+12
−12		(+62)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+62
= =
–   Hiarcs 142959+10
−10		(+61)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+61
= =
–   Hakkapeliitta 3.0 64-bit2953+12
−12		(+55)5 − 7
(+2−4=6)		41.7%
5.0 / 12
0.0%
−1
0 = 0 0 0 1 = = 1 = = =
–   Arasan 19.2 64-bit2950+28
−28		(+52)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.1%
−93
= 0 = 0 = 0 0 = = 0
–   Deep Sjeng c't 20102939+10
−10		(+41)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−101
0 =
–   Deep Shredder 12 64-bit2938+9
−9		(+40)2 − 4
(+0−2=4)		33.3%
2.0 / 6
0.0%
−49
0 = = 0 = =
–   SmarThink 1.80 64-bit2937+25
−25		(+39)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.6%
+11
1 1 = = = 0 0 = = 0
–   Crafty 25.2 64-bit2930+11
−11		(+32)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
0.1%
+4
= = 0 = 0 = = 1 = =
–   Hannibal 1.3 32-bit2928+17
−17		(+30)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.9%
−197
1 0 0 0
–   Fizbo 1.4 64-bit2927+27
−27		(+29)6 − 6
(+4−4=4)		50.0%
6.0 / 12
3.7%
+29
= 0 1 = = 1 0 1 0 1 = 0
–   Tucano 9.00 64-bit2926+22
−22		(+28)7 − 7
(+2−2=10)		50.0%
7.0 / 14
2.4%
+30
= = = 1 = = = 0 1 = = = = 0
–   Laser 1.3 64-bit2922+24
−24		(+24)5 − 5
(+2−2=6)		50.0%
5.0 / 10
5.4%
+20
= = 1 = 1 = = 0 0 =
–   Gull 1.2 64-bit2918+15
−15		(+20)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
4.7%
+5
1 0 =
–   SmarThink 1.70 64-bit2916+16
−16		(+18)0 − 2
(+0−2=0)		0.0%
0.0 / 2
6.8%
−INF
0 0
–   FabChess 1.14 64-bit2915+23
−23		(+17)8.5 − 11.5
(+3−6=11)		42.5%
8.5 / 20
11.9%
−22
= 1 0 1 = 1 = 0 = 0 0 = = = = = 0 0 = =
–   Vajolet2 2.0 64-bit2915+20
−20		(+17)1 − 1
(+0−0=2)		50.0%
1.0 / 2
9.7%
+17
= =
–   Deep Junior 13.3 64-bit2914+16
−16		(+16)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
8.7%
+173
= 1
–   Spike 1.4 Leiden2913+8
−8		(+15)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
5.9%
+97
= 1 1 0
–   Francesca MAD 0.29 64-bit2912+21
−21		(+14)7.5 − 4.5
(+5−2=5)		62.5%
7.5 / 12
15.2%
+90
1 1 1 = 1 0 0 = = = = 1
–   Demolito 2018-03-01 64-bit2909+17
−17		(+11)8 − 10
(+4−6=8)		44.4%
8.0 / 18
18.6%
−25
1 0 0 = 0 1 = = 0 1 0 = = = = = 1 0
–   Asymptote 0.8 64-bit2908+19
−19		(+10)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
21.5%
−11
= = = 0 0 = 0 = = 1 = 1
–   Quazar 0.4 64-bit2904+10
−10		(+6)1 − 1
(+1−1=0)		50.0%
1.0 / 2
28.6%
+6
0 1
–   Nemorino 1.02 64-bit2903+23
−23		(+5)5 − 5
(+3−3=4)		50.0%
5.0 / 10
36.8%
+5
= 1 0 = = 1 0 1 0 =
–   Protector 1.4.0 64-bit2899+14
−14		(+1)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
46.1%
+68
= = = 1
–   DiscoCheck 5.2 64-bit2898+18
−17		(0)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
48.3%
+157
1 =
–   Vajolet2 2.1 64-bit2894+24
−24		(−4)4 − 6
(+3−5=2)		40.0%
4.0 / 10
59.3%
−76
0 1 0 1 0 = 0 1 = 0
–   Booot 5.2.0 64-bit2892+15
−15		(−6)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
68.0%
+86
= 1 0 1
–   iCE 2.0 64-bit2891+17
−17		(−7)1 − 1
(+0−0=2)		50.0%
1.0 / 2
70.4%
−7
= =
–   Deuterium 14.3.34.130 64-bit2890+12
−12		(−8)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
77.0%
−150
0 =
–   Cheng4 0.38 64-bit2888+23
−23		(−10)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
73.4%
−152
= 0
–   Ethereal 8.62 64-bit2883+24
−24		(−15)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
83.0%
+20
= 1 = 1 = 0 0 = = 1
–   Bobcat 7.6 64-bit2875+22
−22		(−23)6.5 − 3.5
(+3−0=7)		65.0%
6.5 / 10
94.4%
+53
= = 1 = 1 = = = = 1
–   Stockfish 1.5.1 32-bit2862+15
−14		(−36)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
99.9%
+46
= 1 1 0
–   Naum 3 32-bit2850+17
−17		(−48)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+102
1 = = 1
–   Zap!Chess Paderborn 64-bit 4CPU2848+26
−26		(−50)24.5 − 25.5
(+8−9=33)
49.0%
24.5 / 50
99.9%
−54
1 1 0 0 = = = = = = = = 0 = = = = = = = 1 = = = = 1 = = = 0 = 0 = 0 0 = = = = 1 = = 1 0 1 = = 0 = 1
–   Deep Shredder 10 64-bit 4CPU2830+17
−17		(−68)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
+70
= 1 0 1 = 1 1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 1 0 0 = 1 = 0 1 =
–   Rybka 1.0 64-bit2824+14
−14		(−74)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+31
1 1 1 0 1 = 1 = = 1 = = = 1 1 = = = 1 0 1 = = 1 1 = 1 = 1 = = 0
–   Murka 3 64-bit2822+12
−12		(−76)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+19
1 = 0 1
–   Zap!Chess Zanzibar 64-bit2802+26
−26		(−96)8.5 − 6.5
(+6−4=5)		56.7%
8.5 / 15
100.0%
−45
= 0 0 1 1 0 1 1 = 1 = 0 = = 1
–   Deep Junior 10 4CPU2801+14
−14		(−97)16 − 14
(+10−8=12)
53.3%
16.0 / 30
100.0%
−73
1 = = 1 0 1 1 0 0 1 = 0 1 1 0 = 0 1 1 = = = = 0 1 0 = = = =
–   Hiarcs 11.12789+15
−15		(−109)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
+109
= 1 1
–   Fritz 102777+15
−15		(−121)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+69
1 = 1 1 1 1 1 = 1 1 1 = = 1 1 1 1 = = 1 1 1 = 0 1 0 = 1 1 0
–   Toga II 1.2.1a 32-bit2759+12
−12		(−139)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−20
= 1 1 1 = 1 = = 1 = 1 1 1 0 1 1 = = 1 1 1 = = 1 = 1 = = = 0 0 =
–   Hiarcs X50 Hypermodern2755+30
−30		(−143)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
0
0 1 = 0 = 1 1 1 1 1 1 1 1 1 = 0 = 1 = = = 1 0 1 1 1 1 1 0 =
–   Fruit 2.2.12743+13
−13		(−155)50 − 10
(+41−1=18)
83.3%
50.0 / 60
100.0%
+83
1 1 1 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 1 1 1 1 1
–   Hiarcs X502743+19
−19		(−155)20 − 10
(+15−5=10)
66.7%
20.0 / 30
100.0%
−40
0 = 1 = 1 1 0 1 1 1 = = = 1 1 0 1 = 1 = = 1 1 1 1 = 0 0 1 =
–   Fritz 92742+14
−14		(−156)41.5 − 18.5
(+30−7=23)
69.2%
41.5 / 60
100.0%
−34
1 = = 1 = 1 1 = = 1 1 0 = 1 = 0 1 1 1 = 1 1 = = 0 = 1 1 1 0 1 = = 0 = = 1 1 = 1 1 1 = 1 = 0 = 1 = 1 0 1 = 1 1 1 1 = = 1
–   Hiarcs 102740+16
−16		(−158)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+24
= = 1 1 1 1 = = 1 1 1 1 0 = 1 = = 1 1 1 1 = 1 0 = = 1 1 1 1
–   Hiarcs 10 Hypermodern2717+20
−20		(−181)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+65
= 1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 1 = = 1 = 1 1 1 = 1 1 1 1 1
–   Spike 1.12689+15
−15		(−209)22 − 7
(+17−2=10)		75.9%
22.0 / 29
100.0%
−33
1 = = = 1 = 1 1 0 1 1 1 0 1 = 1 1 = 1 1 = 1 1 1 1 = 1 = =
–   Zap!Chess Paderborn 32-bit2681+21
−21		(−217)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
−32
1 0 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 = 1 = 1 = 1 0 = 1 1 1 1 1
–   SmarThink 1.00 32-bit2665+15
−15		(−233)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
−31
= = 1 1 0 1 1 = 1 = 1 1 1 = 1 0 = 1 1 1 1 1 1 = 1 = 1 = 1 1
–   Ktulu 7.52663+15
−15		(−235)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
−51
1 1 1 = = = = 1 1 0 1 1 1 1 1 0 = 1 = = = = = 1 1 1 1 1 1 1
–   CM10th Xperience2660+13
−13		(−238)24 − 4
(+20−0=8)		85.7%
24.0 / 28
100.0%
+28
= 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 = = = 1 1 1 = 1 1 1 1 1
–   Chess Tiger 152636+17
−17		(−262)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
−15
= = = 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1 1 1 1 0 1 1 1 1 1 1 = 1
–   Chess Tiger 15 Gambit2634+33
−33		(−264)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+3
= 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 1
–   Gandalf 62634+11
−11		(−264)27 − 3
(+24−0=6)
90.0%
27.0 / 30
100.0%
+65
1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 = = 1
–   CM10th Default2630+14
−15		(−268)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−29
1 1 1 1 = 1 1 1 1 1 0 0 = = 1 = = 1 1 1 = 1 1 1 1 1 1 1 1 =
–   Naum 1.91 64-bit2609+15
−15		(−289)26.5 − 3.5
(+24−1=5)
88.3%
26.5 / 30
100.0%
+34
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
–   Aristarch 4.502596+12
−12		(−302)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
−34
1 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 = 1 1 = 1 0 1 1 1 1 1 = 1 1
1122 games: 530 wins, 180 losses, 412 draws (36.7%), score: 65.6%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021