CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Rybka 3 64-bit (3046+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
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   RubiChess 1.7.1 64-bit3171+22
−22
(+125)7.5 − 12.5
(+2−7=11)
37.5%
7.5 / 20
0.0%
+54
–   RubiChess 1.6 64-bit3158+19
−19
(+112)6 − 14
(+3−11=6)
30.0%
6.0 / 20
0.0%
−25
–   Wasp 4.50 64-bit3153+22
−22
(+107)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−27
–   Roc 1.6 64-bit3153+22
−22
(+107)6 − 14
(+4−12=4)
30.0%
6.0 / 20
0.0%
−47
–   Arasan 22.0 64-bit3139+18
−18
(+93)3.5 − 12.5
(+1−10=5)
21.9%
3.5 / 16
0.0%
−103
–   NirvanaChess 2.5 64-bit3131+19
−19
(+85)8.5 − 11.5
(+2−5=13)
42.5%
8.5 / 20
0.0%
+41
–   Pedone 2.1 64-bit3127+21
−21
(+81)9 − 11
(+4−6=10)
45.0%
9.0 / 20
0.0%
+51
–   Winter 0.9 64-bit3126+17
−17
(+80)10 − 12
(+7−9=6)
45.5%
10.0 / 22
0.0%
+46
–   Arasan 21.4 64-bit3125+16
−16
(+79)11.5 − 20.5
(+2−11=19)
35.9%
11.5 / 32
0.0%
−2
–   Rybka 3 64-bit 4CPU3117+13
−13
(+71)19.5 − 34.5
(+4−19=31)
36.1%
19.5 / 54
0.0%
−6
–   Igel 2.6.0 64-bit3114+22
−22
(+68)7.5 − 12.5
(+3−8=9)
37.5%
7.5 / 20
0.0%
−9
–   Roc 1.3 64-bit3114+23
−23
(+68)8 − 18
(+3−13=10)
30.8%
8.0 / 26
0.0%
−57
–   Marvin 5.0.0 64-bit3112+22
−22
(+66)4.5 − 7.5
(+1−4=7)
37.5%
4.5 / 12
0.0%
−2
–   Halogen 9 64-bit3111+22
−22
(+65)8.5 − 11.5
(+4−7=9)
42.5%
8.5 / 20
0.0%
+15
–   RubiChess 1.5 64-bit3108+20
−20
(+62)7 − 13
(+3−9=8)
35.0%
7.0 / 20
0.0%
−34
–   Houdini 1.5a 64-bit3108+10
−10
(+62)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
−12
–   Rybka 3 Human 64-bit 4CPU3103+31
−31
(+57)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−95
–   Vajolet2 2.8 64-bit3097+15
−15
(+51)10 − 10
(+5−5=10)
50.0%
10.0 / 20
0.0%
+48
–   Komodo 4 64-bit3096+11
−11
(+50)25.5 − 36.5
(+6−17=39)
41.1%
25.5 / 62
0.0%
0
–   Komodo 3 64-bit3088+14
−14
(+42)12 − 18
(+3−9=18)
40.0%
12.0 / 30
0.0%
−12
–   RofChade 2.0 64-bit3080+18
−19
(+34)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
0.1%
−10
–   Critter 1.4 64-bit3079+19
−19
(+33)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
0.2%
−5
–   Critter 1.2 64-bit3078+14
−14
(+32)18.5 − 29.5
(+8−19=21)
38.5%
18.5 / 48
0.0%
−40
–   Wasp 4.0 64-bit3076+19
−19
(+30)10 − 10
(+5−5=10)
50.0%
10.0 / 20
0.4%
+27
–   chess22k 1.14 64-bit3076+16
−16
(+30)7.5 − 8.5
(+5−6=5)
46.9%
7.5 / 16
0.1%
+7
–   Rybka 4 64-bit3074+11
−11
(+28)13 − 11
(+5−3=16)
54.2%
13.0 / 24
0.0%
+53
–   Koivisto 4.0 64-bit3072+20
−20
(+26)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
1.1%
−35
–   Stockfish 2.2.2 64-bit3070+20
−19
(+24)11 − 13
(+4−6=14)
45.8%
11.0 / 24
1.7%
+2
–   Laser 1.5 64-bit3070+14
−15
(+24)6.5 − 13.5
(+1−8=11)
32.5%
6.5 / 20
0.4%
−78
–   Igel 2.4.0 64-bit3067+21
−21
(+21)8 − 6
(+4−2=8)
57.1%
8.0 / 14
4.0%
+58
–   Stash 29.0 64-bit3064+22
−22
(+18)4 − 6
(+2−4=4)
40.0%
4.0 / 10
7.5%
−49
–   Minic 3.03 64-bit3048+26
−26
(+2)7.5 − 8.5
(+1−2=13)
46.9%
7.5 / 16
43.2%
−14
–   Combusken 1.3.0 64-bit3047+23
−23
(+1)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
46.8%
+18
–   Critter 1.01 64-bit3043+23
−23
(−3)12.5 − 11.5
(+6−5=13)
52.1%
12.5 / 24
58.5%
+6
–   Naum 4 64-bit 4CPU3041+16
−16
(−5)27.5 − 31.5
(+11−15=33)
46.6%
27.5 / 59
67.8%
−24
–   Sting SF 5 64-bit3038+17
−17
(−8)4 − 4
(+3−3=2)
50.0%
4.0 / 8
77.7%
−8
–   Combusken 1.3.1 64-bit3038+25
−25
(−8)5.5 − 6.5
(+2−3=7)
45.8%
5.5 / 12
70.4%
−26
–   Hannibal 1.5 64-bit3038+13
−13
(−8)4 − 5
(+2−3=4)
44.4%
4.0 / 9
82.1%
−39
–   Protector 1.8.0 64-bit3036+17
−17
(−10)6.5 − 2.5
(+5−1=3)
72.2%
6.5 / 9
82.0%
+134
–   Demolito 2019-07-15 64-bit3033+23
−23
(−13)6 − 4
(+5−3=2)
60.0%
6.0 / 10
84.5%
+61
–   Stockfish 1.9.1 64-bit3033+20
−20
(−13)15 − 9
(+9−3=12)
62.5%
15.0 / 24
87.0%
+59
–   Stockfish 2.0.1 64-bit3028+23
−22
(−18)12 − 12
(+6−6=12)
50.0%
12.0 / 24
92.4%
−18
–   Stockfish 1.8 64-bit3025+21
−21
(−21)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
96.0%
+16
–   NirvanaChess 2.1c 64-bit3020+23
−23
(−26)4 − 4
(+1−1=6)
50.0%
4.0 / 8
97.7%
−30
–   Rybka 2.3.2a 64-bit 4CPU3016+13
−13
(−30)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
100.0%
−10
–   Chiron 2 64-bit3013+13
−13
(−33)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
+68
–   Marvin 3.6.0 64-bit3010+21
−21
(−36)7 − 5
(+4−2=6)
58.3%
7.0 / 12
99.8%
+13
–   Naum 4.6 64-bit3008+12
−12
(−38)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−80
–   Texel 1.05 64-bit3007+15
−15
(−39)4.5 − 4.5
(+4−4=1)
50.0%
4.5 / 9
100.0%
−45
–   Stockfish 1.7.1 64-bit3007+22
−22
(−39)32 − 32
(+17−17=30)
50.0%
32.0 / 64
99.9%
−39
–   Amoeba 3.2 64-bit2989+19
−19
(−57)5 − 5
(+4−4=2)
50.0%
5.0 / 10
100.0%
−61
–   Naum 4.2 64-bit2974+9
−9
(−72)26 − 26
(+12−12=28)
50.0%
26.0 / 52
100.0%
−70
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(−79)32.5 − 19.5
(+22−9=21)
62.5%
32.5 / 52
100.0%
0
–   Naum 3.1 64-bit 4CPU2966+18
−18
(−80)39.5 − 22.5
(+25−8=29)
63.7%
39.5 / 62
100.0%
0
–   Stockfish 1.6.3 64-bit2964+20
−20
(−82)30 − 22
(+16−8=28)
57.7%
30.0 / 52
100.0%
−36
–   Naum 4 64-bit2954+13
−13
(−92)42 − 26
(+30−14=24)
61.8%
42.0 / 68
100.0%
−14
–   Naum 4.1 64-bit2950+21
−21
(−96)46.5 − 23.5
(+31−8=31)
66.4%
46.5 / 70
100.0%
+5
–   Stockfish 1.6s 64-bit2950+29
−29
(−96)36.5 − 16.5
(+23−3=27)
68.9%
36.5 / 53
100.0%
+14
–   Komodo 1.2 64-bit2944+16
−16
(−102)16.5 − 7.5
(+11−2=11)
68.8%
16.5 / 24
100.0%
+13
–   Deep Shredder 12 64-bit2937+10
−9
(−109)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+92
–   Thinker 5.4c Inert 64-bit 4CPU2921+15
−15
(−125)32 − 12
(+25−5=14)
72.7%
32.0 / 44
100.0%
+29
–   Komodo 1.0 64-bit2920+14
−14
(−126)74 − 34
(+48−8=52)
68.5%
74.0 / 108
100.0%
−13
–   Deep Shredder 11 64-bit 4CPU2915+12
−12
(−131)44 − 11
(+37−4=14)
80.0%
44.0 / 55
100.0%
+89
–   Deep Sjeng 3.0 64-bit 4CPU2906+22
−22
(−140)16.5 − 6.5
(+13−3=7)
71.7%
16.5 / 23
100.0%
+15
–   Toga II 1.4.1SE 4CPU2902+13
−13
(−144)44.5 − 8.5
(+38−2=13)
84.0%
44.5 / 53
100.0%
+112
–   Stockfish 1.5.1 64-bit2886+27
−27
(−160)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+30
–   Fritz 122885+11
−11
(−161)23 − 12
(+14−3=18)
65.7%
23.0 / 35
100.0%
−69
–   Doch 1.2 64-bit2883+26
−26
(−163)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+9
–   Thinker 5.4d Inert 64-bit2863+15
−15
(−183)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−100
–   Doch 09.980 64-bit2862+25
−25
(−184)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−40
–   Naum 3.1 64-bit2859+18
−18
(−187)38.5 − 8.5
(+31−1=15)
81.9%
38.5 / 47
100.0%
+36
–   Thinker 5.4c Inert 64-bit2858+14
−14
(−188)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+5
–   Naum 3 64-bit2855+18
−18
(−191)8.5 − 3.5
(+5−0=7)
70.8%
8.5 / 12
100.0%
−74
–   Zappa Mexico II 64-bit2852+10
−10
(−194)47.5 − 14.5
(+36−3=23)
76.6%
47.5 / 62
100.0%
−15
–   Fritz 112851+10
−10
(−195)27.5 − 7.5
(+22−2=11)
78.6%
27.5 / 35
100.0%
+4
–   Thinker 5.4a Inert 64-bit2849+31
−31
(−197)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+102
–   Stockfish 1.4 64-bit2848+19
−19
(−198)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−41
–   Deep Shredder 11 64-bit2842+15
−15
(−204)50 − 12
(+41−3=18)
80.6%
50.0 / 62
100.0%
+16
–   Thinker 5.3b Inert 64-bit2841+24
−24
(−205)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
−3
–   Critter 0.60 64-bit2839+25
−25
(−207)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
−26
–   Deep Sjeng 3.0 64-bit2836+22
−22
(−210)36 − 8
(+30−2=12)
81.8%
36.0 / 44
100.0%
+21
–   Spark 0.3 64-bit2834+18
−18
(−212)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
−3
–   Deep Sjeng WC2008 64-bit2834+13
−13
(−212)26 − 7
(+20−1=12)
78.8%
26.0 / 33
100.0%
−18
–   Toga II 1.4.1SE2825+12
−12
(−221)35 − 9
(+29−3=12)
79.5%
35.0 / 44
100.0%
−7
–   Grapefruit 1.0 32-bit2825+9
−9
(−221)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−8
–   Toga II 1.4.1SE62819+23
−23
(−227)39 − 5
(+34−0=10)
88.6%
39.0 / 44
100.0%
+77
–   Onno 1.0 64-bit2817+17
−17
(−229)50 − 7
(+45−2=10)
87.7%
50.0 / 57
100.0%
+84
–   Hiarcs 12.12816+11
−11
(−230)25 − 10
(+20−5=10)
71.4%
25.0 / 35
100.0%
−80
–   Hiarcs 12 Sharpen PV On2812+14
−13
(−234)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−70
–   Onno 1.1.1 64-bit2808+20
−21
(−238)16.5 − 1.5
(+15−0=3)
91.7%
16.5 / 18
100.0%
+123
–   Hiarcs 122807+14
−14
(−239)51 − 11
(+42−2=18)
82.3%
51.0 / 62
100.0%
−6
–   Hiarcs Paderborn 20072794+18
−18
(−252)37.5 − 10.5
(+31−4=13)
78.1%
37.5 / 48
100.0%
−49
–   Glaurung 2.2 64-bit2781+16
−16
(−265)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+258
–   Bright 0.4a2775+10
−10
(−271)88 − 16
(+75−3=26)
84.6%
88.0 / 104
100.0%
−8
–   Glaurung 2.1 64-bit2768+19
−19
(−278)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
−30
–   Thinker 5.3b Passive 64-bit2764+24
−24
(−282)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−36
–   Crafty 23.0 64-bit 4CPU2757+18
−18
(−289)34.5 − 0.5
(+34−0=1)
98.6%
34.5 / 35
100.0%
+364

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021