CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Rybka 3 64-bit (3048+12
−12
)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
–   Arasan 21.4 64-bit3126+18
−18
(+78)11.5 − 20.5
(+2−11=19)
35.9%
11.5 / 32
0.0%
−3
–   Rybka 3 64-bit 4CPU3123+14
−14
(+75)19.5 − 34.5
(+4−19=31)
36.1%
19.5 / 54
0.0%
−2
–   Rybka 3 Human 64-bit 4CPU3121+39
−38
(+73)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−78
–   Houdini 1.5a 64-bit3111+10
−10
(+63)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
−11
–   RubiChess 1.5 64-bit3111+20
−20
(+63)7 − 13
(+3−9=8)
35.0%
7.0 / 20
0.0%
−33
–   Komodo 4 64-bit3098+11
−11
(+50)25.5 − 36.5
(+6−17=39)
41.1%
25.5 / 62
0.0%
0
–   Komodo 3 64-bit3092+14
−14
(+44)12 − 18
(+3−9=18)
40.0%
12.0 / 30
0.0%
−10
–   RofChade 2.0 64-bit3083+18
−19
(+35)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
0.1%
−9
–   Critter 1.4 64-bit3081+19
−19
(+33)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
0.2%
−5
–   Critter 1.2 64-bit3081+14
−14
(+33)18.5 − 29.5
(+8−19=21)
38.5%
18.5 / 48
0.0%
−39
–   Rybka 4 64-bit3077+11
−11
(+29)13 − 11
(+5−3=16)
54.2%
13.0 / 24
0.0%
+54
–   Stockfish 2.2.2 64-bit3073+20
−19
(+25)11 − 13
(+4−6=14)
45.8%
11.0 / 24
1.7%
+3
–   Laser 1.5 64-bit3072+14
−15
(+24)6.5 − 13.5
(+1−8=11)
32.5%
6.5 / 20
0.5%
−78
–   Critter 1.01 64-bit3046+23
−23
(−2)12.5 − 11.5
(+6−5=13)
52.1%
12.5 / 24
57.5%
+7
–   Naum 4 64-bit 4CPU3046+17
−17
(−2)27.5 − 31.5
(+11−15=33)
46.6%
27.5 / 59
56.6%
−21
–   Hannibal 1.5 64-bit3040+13
−13
(−8)4 − 5
(+2−3=4)
44.4%
4.0 / 9
80.3%
−39
–   Sting SF 5 64-bit3040+18
−18
(−8)4 − 4
(+3−3=2)
50.0%
4.0 / 8
77.0%
−8
–   Protector 1.8.0 64-bit3039+17
−17
(−9)6.5 − 2.5
(+5−1=3)
72.2%
6.5 / 9
79.5%
+135
–   Stockfish 1.9.1 64-bit3036+21
−21
(−12)15 − 9
(+9−3=12)
62.5%
15.0 / 24
84.4%
+60
–   Demolito 2019-07-15 64-bit3032+30
−30
(−16)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
83.9%
+131
–   Stockfish 2.0.1 64-bit3031+23
−22
(−17)12 − 12
(+6−6=12)
50.0%
12.0 / 24
91.2%
−17
–   Stockfish 1.8 64-bit3028+21
−21
(−20)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
95.2%
+17
–   NirvanaChess 2.1c 64-bit3022+23
−23
(−26)4 − 4
(+1−1=6)
50.0%
4.0 / 8
97.4%
−30
–   Rybka 2.3.2a 64-bit 4CPU3018+13
−13
(−30)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
100.0%
−10
–   Chiron 2 64-bit3015+13
−13
(−33)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
+68
–   Naum 4.6 64-bit3013+12
−12
(−35)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−77
–   Stockfish 1.7.1 64-bit3009+22
−22
(−39)32 − 32
(+17−17=30)
50.0%
32.0 / 64
99.9%
−39
–   Texel 1.05 64-bit3009+15
−15
(−39)4.5 − 4.5
(+4−4=1)
50.0%
4.5 / 9
100.0%
−45
–   Naum 4.2 64-bit2977+9
−9
(−71)26 − 26
(+12−12=28)
50.0%
26.0 / 52
100.0%
−69
–   Zappa Mexico II 64-bit 4CPU2970+10
−10
(−78)32.5 − 19.5
(+22−9=21)
62.5%
32.5 / 52
100.0%
+1
–   Naum 3.1 64-bit 4CPU2969+18
−18
(−79)39.5 − 22.5
(+25−8=29)
63.7%
39.5 / 62
100.0%
+1
–   Stockfish 1.6.3 64-bit2966+20
−20
(−82)30 − 22
(+16−8=28)
57.7%
30.0 / 52
100.0%
−36
–   Naum 4 64-bit2956+14
−14
(−92)42 − 26
(+30−14=24)
61.8%
42.0 / 68
100.0%
−14
–   Stockfish 1.6s 64-bit2952+29
−29
(−96)36.5 − 16.5
(+23−3=27)
68.9%
36.5 / 53
100.0%
+14
–   Naum 4.1 64-bit2952+21
−21
(−96)46.5 − 23.5
(+31−8=31)
66.4%
46.5 / 70
100.0%
+5
–   Komodo 1.2 64-bit2947+16
−16
(−101)16.5 − 7.5
(+11−2=11)
68.8%
16.5 / 24
100.0%
+14
–   Deep Shredder 12 64-bit2940+10
−9
(−108)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+93
–   Thinker 5.4c Inert 64-bit 4CPU2924+15
−15
(−124)32 − 12
(+25−5=14)
72.7%
32.0 / 44
100.0%
+30
–   Komodo 1.0 64-bit2922+14
−14
(−126)74 − 34
(+48−8=52)
68.5%
74.0 / 108
100.0%
−13
–   Deep Shredder 11 64-bit 4CPU2917+12
−12
(−131)44 − 11
(+37−4=14)
80.0%
44.0 / 55
100.0%
+89
–   Deep Sjeng 3.0 64-bit 4CPU2909+22
−22
(−139)16.5 − 6.5
(+13−3=7)
71.7%
16.5 / 23
100.0%
+16
–   Toga II 1.4.1SE 4CPU2905+13
−13
(−143)44.5 − 8.5
(+38−2=13)
84.0%
44.5 / 53
100.0%
+113
–   Stockfish 1.5.1 64-bit2888+28
−28
(−160)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+30
–   Fritz 122887+11
−11
(−161)23 − 12
(+14−3=18)
65.7%
23.0 / 35
100.0%
−69
–   Doch 1.2 64-bit2885+26
−26
(−163)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+9
–   Doch 09.980 64-bit2865+25
−25
(−183)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−39
–   Thinker 5.4d Inert 64-bit2865+16
−16
(−183)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−100
–   Naum 3.1 64-bit2861+18
−18
(−187)38.5 − 8.5
(+31−1=15)
81.9%
38.5 / 47
100.0%
+36
–   Thinker 5.4c Inert 64-bit2861+14
−14
(−187)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+6
–   Naum 3 64-bit2856+19
−19
(−192)8.5 − 3.5
(+5−0=7)
70.8%
8.5 / 12
100.0%
−75
–   Zappa Mexico II 64-bit2855+10
−10
(−193)47.5 − 14.5
(+36−3=23)
76.6%
47.5 / 62
100.0%
−14
–   Fritz 112852+10
−10
(−196)27.5 − 7.5
(+22−2=11)
78.6%
27.5 / 35
100.0%
+3
–   Thinker 5.4a Inert 64-bit2851+31
−31
(−197)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+102
–   Stockfish 1.4 64-bit2850+19
−19
(−198)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−41
–   Deep Shredder 11 64-bit2844+15
−15
(−204)50 − 12
(+41−3=18)
80.6%
50.0 / 62
100.0%
+16
–   Thinker 5.3b Inert 64-bit2843+24
−24
(−205)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
−3
–   Critter 0.60 64-bit2841+25
−25
(−207)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
−26
–   Deep Sjeng 3.0 64-bit2837+22
−22
(−211)36 − 8
(+30−2=12)
81.8%
36.0 / 44
100.0%
+20
–   Spark 0.3 64-bit2836+18
−18
(−212)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
−3
–   Deep Sjeng WC2008 64-bit2836+13
−13
(−212)26 − 7
(+20−1=12)
78.8%
26.0 / 33
100.0%
−18
–   Toga II 1.4.1SE2827+12
−12
(−221)35 − 9
(+29−3=12)
79.5%
35.0 / 44
100.0%
−7
–   Grapefruit 1.0 32-bit2827+9
−9
(−221)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−8
–   Toga II 1.4.1SE62821+23
−23
(−227)39 − 5
(+34−0=10)
88.6%
39.0 / 44
100.0%
+77
–   Onno 1.0 64-bit2819+17
−17
(−229)50 − 7
(+45−2=10)
87.7%
50.0 / 57
100.0%
+84
–   Hiarcs 12.12818+11
−11
(−230)25 − 10
(+20−5=10)
71.4%
25.0 / 35
100.0%
−80
–   Hiarcs 12 Sharpen PV On2814+14
−14
(−234)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−70
–   Onno 1.1.1 64-bit2810+21
−21
(−238)16.5 − 1.5
(+15−0=3)
91.7%
16.5 / 18
100.0%
+123
–   Hiarcs 122809+14
−14
(−239)51 − 11
(+42−2=18)
82.3%
51.0 / 62
100.0%
−6
–   Hiarcs Paderborn 20072796+18
−18
(−252)37.5 − 10.5
(+31−4=13)
78.1%
37.5 / 48
100.0%
−49
–   Glaurung 2.2 64-bit2783+16
−16
(−265)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+258
–   Bright 0.4a2777+10
−10
(−271)88 − 16
(+75−3=26)
84.6%
88.0 / 104
100.0%
−8
–   Glaurung 2.1 64-bit2770+19
−19
(−278)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
−30
–   Thinker 5.3b Passive 64-bit2766+24
−24
(−282)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−36
–   Crafty 23.0 64-bit 4CPU2760+18
−18
(−288)34.5 − 0.5
(+34−0=1)
98.6%
34.5 / 35
100.0%
+365

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Created in 2005-2013 by CCRL team
Last games added on September 21, 2019