CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 2.3.2a 64-bit (2962+11
−11
)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 Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Komodo 5.1 64-bit3107+18
−18
(+145)7 − 23
(+2−18=10)
23.3%
7.0 / 30
0.0%
−37
–   Stockfish 3 64-bit3097+16
−16
(+135)6 − 24
(+1−19=10)
20.0%
6.0 / 30
0.0%
−72
–   Texel 1.07 64-bit3076+12
−12
(+114)2 − 10
(+0−8=4)
16.7%
2.0 / 12
0.0%
−118
–   Hannibal 1.5 64-bit3041+13
−13
(+79)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+138
–   Sting SF 3 64-bit3039+16
−16
(+77)13.5 − 16.5
(+8−11=11)
45.0%
13.5 / 30
0.0%
+42
–   ChessBrainVB 3.663036+23
−23
(+74)3.5 − 10.5
(+1−8=5)
25.0%
3.5 / 14
0.0%
−93
–   SmarThink 1.98 64-bit3027+13
−13
(+65)4 − 10
(+1−7=6)
28.6%
4.0 / 14
0.0%
−71
–   Sting SF 4 64-bit3026+18
−18
(+64)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
−3
–   Sting SF 2 64-bit3023+18
−18
(+61)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
−16
–   Chiron 2 64-bit3015+13
−13
(+53)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−97
–   Pedone 1.7 64-bit3014+17
−17
(+52)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
0.0%
−28
–   Naum 4.6 64-bit3013+12
−12
(+51)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+143
–   Protector 1.7.0 64-bit3011+18
−18
(+49)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−101
–   Stockfish 1.7.1 64-bit3010+22
−22
(+48)14 − 19
(+8−13=12)
42.4%
14.0 / 33
0.0%
0
–   Texel 1.05 64-bit3010+15
−15
(+48)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−44
–   Hannibal 1.4b 64-bit3002+12
−12
(+40)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+40
–   Vajolet2 2.5 64-bit3002+18
−18
(+40)5.5 − 6.5
(+1−2=9)
45.8%
5.5 / 12
0.0%
+20
–   Gull II b2 64-bit2994+21
−21
(+32)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.5%
+37
–   Protector 1.5.0 64-bit2986+13
−13
(+24)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.4%
−11
–   NirvanaChess 2.0a 64-bit2985+23
−23
(+23)2 − 2
(+1−1=2)
50.0%
2.0 / 4
4.0%
+23
–   Naum 4.2 64-bit2977+9
−9
(+15)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
2.1%
+144
–   Zappa Mexico II 64-bit 4CPU2970+10
−10
(+8)16.5 − 19.5
(+8−11=17)
45.8%
16.5 / 36
16.6%
−17
–   Naum 3.1 64-bit 4CPU2969+18
−18
(+7)26.5 − 29.5
(+7−10=39)
47.3%
26.5 / 56
25.7%
−9
–   Stockfish 1.6.3 64-bit2966+20
−20
(+4)2 − 2
(+0−0=4)
50.0%
2.0 / 4
38.2%
+4
–   Fizbo 1.6 64-bit2965+28
−28
(+3)6.5 − 3.5
(+3−0=7)
65.0%
6.5 / 10
43.2%
+82
–   Hiarcs 142962+10
−10
(0)1 − 3
(+0−2=2)
25.0%
1.0 / 4
49.6%
−157
–   Andscacs 0.80 64-bit2962+25
−25
(0)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
50.5%
−59
–   Senpai 1.0 64-bit2962+12
−12
(0)17.5 − 16.5
(+6−5=23)
51.5%
17.5 / 34
51.3%
+9
–   Zappa Mexico 64-bit 4CPU2960+15
−15
(−2)24 − 26
(+11−13=26)
48.0%
24.0 / 50
59.9%
−17
–   Naum 3 64-bit 4CPU2956+19
−19
(−6)18 − 20
(+6−8=24)
47.4%
18.0 / 38
71.3%
−22
–   Naum 4 64-bit2955+14
−14
(−7)12 − 12
(+4−4=16)
50.0%
12.0 / 24
77.9%
−5
–   chess22k 1.9 64-bit2952+22
−22
(−10)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
79.7%
+11
–   DeepSaros 3.1a 64-bit2946+30
−30
(−16)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
84.9%
−117
–   Deep Shredder 12 64-bit2941+9
−10
(−21)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
99.8%
+3
–   Wasp 2.00 64-bit2931+26
−26
(−31)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
98.3%
+23
–   Texel 1.03 64-bit2925+24
−25
(−37)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
99.7%
−1
–   Komodo 1.0 64-bit2922+14
−14
(−40)2.5 − 2.5
(+0−0=5)
50.0%
2.5 / 5
100.0%
−46
–   Deep Junior Yokohama 64-bit2921+14
−15
(−41)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−41
–   Hannibal 1.2 64-bit2917+23
−23
(−45)5 − 3
(+2−0=6)
62.5%
5.0 / 8
100.0%
+18
–   Deep Shredder 11 64-bit 4CPU2917+12
−12
(−45)33.5 − 20.5
(+19−6=29)
62.0%
33.5 / 54
100.0%
+24
–   Spike 1.4 Leiden2915+8
−8
(−47)10.5 − 7.5
(+7−4=7)
58.3%
10.5 / 18
100.0%
+4
–   Deep Sjeng 3.0 64-bit 4CPU2909+22
−22
(−53)19 − 13
(+10−4=18)
59.4%
19.0 / 32
100.0%
+2
–   Quazar 0.4 64-bit2906+10
−10
(−56)12 − 6
(+7−1=10)
66.7%
12.0 / 18
100.0%
+41
–   Toga II 1.4.1SE 4CPU2905+13
−13
(−57)18.5 − 15.5
(+11−8=15)
54.4%
18.5 / 34
100.0%
−32
–   Naum 2.2 64-bit 4CPU2905+18
−18
(−57)30.5 − 19.5
(+17−6=27)
61.0%
30.5 / 50
100.0%
+7
–   Protector 1.4.0 64-bit2901+14
−14
(−61)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+58
–   DiscoCheck 5.2 64-bit2901+18
−18
(−61)5 − 5
(+3−3=4)
50.0%
5.0 / 10
100.0%
−61
–   Booot 5.2.0 64-bit2895+15
−15
(−67)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−35
–   Toga II 1.4 beta5c 4CPU2886+18
−18
(−76)35.5 − 20.5
(+20−5=31)
63.4%
35.5 / 56
100.0%
0
–   Hiarcs 11.1 4CPU2877+17
−17
(−85)34 − 17
(+20−3=28)
66.7%
34.0 / 51
100.0%
+10
–   Thinker 5.4d Inert 64-bit2866+16
−16
(−96)12 − 4
(+9−1=6)
75.0%
12.0 / 16
100.0%
+69
–   Hiarcs 11.2 4CPU2863+27
−27
(−99)33 − 17
(+22−6=22)
66.0%
33.0 / 50
100.0%
+2
–   Naum 3.1 64-bit2861+18
−18
(−101)37 − 18
(+23−4=28)
67.3%
37.0 / 55
100.0%
0
–   Naum 3.1 32-bit2859+16
−16
(−103)55.5 − 24.5
(+38−7=35)
69.4%
55.5 / 80
100.0%
+19
–   Naum 3 64-bit2857+19
−19
(−105)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
+2
–   Zappa Mexico II 64-bit2855+10
−10
(−107)37 − 17
(+25−5=24)
68.5%
37.0 / 54
100.0%
+8
–   Fritz 112853+10
−10
(−109)38.5 − 15.5
(+24−1=29)
71.3%
38.5 / 54
100.0%
+17
–   Naum 3 32-bit2852+18
−18
(−110)33.5 − 12.5
(+22−1=23)
72.8%
33.5 / 46
100.0%
+26
–   Loop M1-T 64-bit 4CPU2850+12
−12
(−112)37.5 − 17.5
(+30−10=15)
68.2%
37.5 / 55
100.0%
+16
–   Deep Shredder 11 64-bit2844+15
−15
(−118)13.5 − 7.5
(+7−1=13)
64.3%
13.5 / 21
100.0%
−37
–   Thinker 5.3b Inert 64-bit2843+24
−24
(−119)37 − 12
(+28−3=18)
75.5%
37.0 / 49
100.0%
+50
–   Critter 0.60 64-bit2841+25
−25
(−121)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−121
–   Protector 1.3.4 64-bit2841+24
−24
(−121)3.5 − 1.5
(+2−0=3)
70.0%
3.5 / 5
100.0%
−2
–   Deep Sjeng 3.0 64-bit2838+22
−22
(−124)33 − 17
(+23−7=20)
66.0%
33.0 / 50
100.0%
−21
–   Spark 0.3 64-bit2836+18
−18
(−126)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+236
–   Zappa Mexico 64-bit2833+15
−15
(−129)41 − 17
(+27−3=28)
70.7%
41.0 / 58
100.0%
−2
–   Shredder 112833+12
−12
(−129)20 − 12
(+13−5=14)
62.5%
20.0 / 32
100.0%
−49
–   Bright 0.3a 4CPU2831+18
−18
(−131)22.5 − 10.5
(+14−2=17)
68.2%
22.5 / 33
100.0%
−21
–   Toga II 1.4.1SE2827+12
−12
(−135)63 − 23
(+45−5=36)
73.3%
63.0 / 86
100.0%
+14
–   Grapefruit 1.0 32-bit2827+9
−9
(−135)2.5 − 2.5
(+1−1=3)
50.0%
2.5 / 5
100.0%
−142
–   Hiarcs 12 Sharpen PV On2814+13
−14
(−148)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
−3
–   Hiarcs 122809+14
−14
(−153)52 − 25
(+36−9=32)
67.5%
52.0 / 77
100.0%
−42
–   Critter 0.52b 64-bit2807+31
−31
(−155)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
–   Bright 0.2c 4CPU2806+21
−21
(−156)28.5 − 8.5
(+21−1=15)
77.0%
28.5 / 37
100.0%
+22
–   Toga II 1.4 beta5c2804+24
−24
(−158)21.5 − 10.5
(+13−2=17)
67.2%
21.5 / 32
100.0%
−57
–   Naum 2.2 64-bit2798+25
−25
(−164)24 − 12
(+14−2=20)
66.7%
24.0 / 36
100.0%
−70
–   Naum 2.2 32-bit2794+15
−15
(−168)24 − 7
(+20−3=8)
77.4%
24.0 / 31
100.0%
+30
–   Loop 13.6 (Loop 2007) 64-bit2791+16
−16
(−171)32 − 7
(+26−1=12)
82.1%
32.0 / 39
100.0%
+56
–   Toga II 1.3.12790+12
−12
(−172)36 − 9
(+27−0=18)
80.0%
36.0 / 45
100.0%
+26
–   Hiarcs 11.12790+15
−15
(−172)30 − 8
(+25−3=10)
78.9%
30.0 / 38
100.0%
+42
–   Fruit 2.3.12786+14
−14
(−176)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−25
–   Bright 0.5c2779+12
−12
(−183)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−39
–   Fritz 102779+15
−15
(−183)57 − 18
(+47−8=20)
76.0%
57.0 / 75
100.0%
+5
–   Fruit 05/11/032774+20
−20
(−188)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
−21
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10
(−188)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+60
–   Shredder 102771+13
−13
(−191)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
−17
–   Loop M1-T 64-bit2771+30
−30
(−191)34.5 − 11.5
(+25−2=19)
75.0%
34.5 / 46
100.0%
−33
–   Hiarcs 11.22770+19
−19
(−192)39 − 13
(+31−5=16)
75.0%
39.0 / 52
100.0%
−20
–   Strelka 1.8 32-bit2770+19
−19
(−192)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−27
–   Glaurung 2.1 64-bit2769+19
−19
(−193)9 − 3
(+6−0=6)
75.0%
9.0 / 12
100.0%
−38
–   Toga II 1.3.42768+28
−28
(−194)29 − 6
(+24−1=10)
82.9%
29.0 / 35
100.0%
+41
–   Twisted Logic 20100131x 64-bit2768+17
−17
(−194)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−194
–   Glaurung 2.1 32-bit2766+18
−18
(−196)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
−61
–   Toga II 1.2.1a 32-bit2760+12
−12
(−202)17 − 3
(+14−0=6)
85.0%
17.0 / 20
100.0%
+51
–   Deep Sjeng 2.72750+15
−15
(−212)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+69
–   Spike 1.2 Turin2746+7
−7
(−216)41 − 5
(+36−0=10)
89.1%
41.0 / 46
100.0%
+97
–   Glaurung 2.0.1 64-bit2745+18
−18
(−217)38 − 7
(+31−0=14)
84.4%
38.0 / 45
100.0%
+29
–   Junior 102744+13
−13
(−218)28 − 4
(+25−1=6)
87.5%
28.0 / 32
100.0%
+88
–   Glaurung 2.0.1 32-bit2739+16
−17
(−223)24.5 − 6.5
(+19−1=11)
79.0%
24.5 / 31
100.0%
−25
–   Bison 9.11 32-bit2729+14
−14
(−233)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−127
–   Ktulu 82706+9
−9
(−256)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+84
–   Chess Tiger 2007.12705+10
−10
(−257)27 − 10
(+22−5=10)
73.0%
27.0 / 37
100.0%
−93
–   Chess Tiger 20072682+12
−12
(−280)33 − 5
(+29−1=8)
86.8%
33.0 / 38
100.0%
+12
–   Scorpio 1.842668+32
−32
(−294)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Bright 0.2c2664+26
−26
(−298)7.5 − 0.5
(+7−0=1)
93.8%
7.5 / 8
100.0%
+113
–   Alaric 7072661+12
−11
(−301)30 − 5
(+25−0=10)
85.7%
30.0 / 35
100.0%
−35
–   Scorpio 2.0 32-bit2653+17
−17
(−309)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−26
–   Scorpio 1.812645+36
−36
(−317)29 − 2
(+27−0=4)
93.5%
29.0 / 31
100.0%
+84

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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019