CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Rybka 4 64-bit 4CPU#123  (3187+9
−9		)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 27 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 8 64-bit 4CPU3438+11
−11		(+251)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
+12
–   Komodo 10.2 64-bit 4CPU3414+18
−18		(+227)2.5 − 29.5
(+0−27=5)
7.8%
2.5 / 32
0.0%
−136
–   Komodo 10.1 64-bit 4CPU3413+15
−15		(+226)7.5 − 23.5
(+2−18=11)
24.2%
7.5 / 31
0.0%
+39
–   Komodo 10 64-bit 4CPU3401+17
−17		(+214)11 − 39
(+0−28=22)
22.0%
11.0 / 50
0.0%
+21
–   Komodo 9.42 64-bit 4CPU3396+16
−16		(+209)9.5 − 40.5
(+0−31=19)
19.0%
9.5 / 50
0.0%
−13
–   Komodo 9.3 64-bit 4CPU3387+16
−16		(+200)22.5 − 61.5
(+2−41=41)
26.8%
22.5 / 84
0.0%
+42
–   Stockfish 7 64-bit 4CPU3386+13
−13		(+199)12 − 38
(+1−27=22)
24.0%
12.0 / 50
0.0%
+19
–   Komodo 9.2 64-bit 4CPU3384+14
−14		(+197)17 − 43
(+2−28=30)
28.3%
17.0 / 60
0.0%
+48
–   Komodo 9.1 64-bit 4CPU3368+17
−17		(+181)16.5 − 35.5
(+2−21=29)
31.7%
16.5 / 52
0.0%
+60
–   Komodo 9 64-bit 4CPU3366+17
−17		(+179)15 − 47
(+1−33=28)
24.2%
15.0 / 62
0.0%
0
–   Stockfish 6 64-bit 4CPU3346+12
−12		(+159)10.5 − 31.5
(+1−22=19)
25.0%
10.5 / 42
0.0%
−13
–   Komodo 8 64-bit 4CPU3339+13
−13		(+152)15 − 35
(+0−20=30)
30.0%
15.0 / 50
0.0%
+23
–   Stockfish 5 64-bit 4CPU3325+12
−12		(+138)10.5 − 19.5
(+3−12=15)
35.0%
10.5 / 30
0.0%
+34
–   Houdini 4 64-bit 4CPU3291+10
−10		(+104)15.5 − 36.5
(+5−26=21)
29.8%
15.5 / 52
0.0%
−41
–   Houdini 4 Tactical 64-bit 4CPU3282+21
−21		(+95)13.5 − 22.5
(+5−14=17)
37.5%
13.5 / 36
0.0%
+7
–   Stockfish DD 64-bit 4CPU3281+14
−14		(+94)10.5 − 23.5
(+3−16=15)
30.9%
10.5 / 34
0.0%
−39
–   Houdini 3 64-bit 4CPU3279+12
−12		(+92)9 − 21
(+4−16=10)
30.0%
9.0 / 30
0.0%
−61
–   Komodo TCEC 64-bit 4CPU3260+14
−14		(+73)19.5 − 32.5
(+4−17=31)
37.5%
19.5 / 52
0.0%
−12
–   Komodo 6 64-bit 4CPU3257+14
−14		(+70)13 − 21
(+3−11=20)
38.2%
13.0 / 34
0.0%
−9
–   Stockfish 4 64-bit 4CPU3254+14
−14		(+67)6.5 − 23.5
(+1−18=11)
21.7%
6.5 / 30
0.0%
−137
–   Andscacs 0.872 64-bit 4CPU3247+20
−20		(+60)12 − 20
(+2−10=20)
37.5%
12.0 / 32
0.0%
−19
–   Fire 4 64-bit 4CPU3245+12
−12		(+58)19 − 31
(+4−16=30)
38.0%
19.0 / 50
0.0%
−20
–   Houdini 2.0c 64-bit 4CPU3241+14
−14		(+54)38.5 − 61.5
(+15−38=47)
38.5%
38.5 / 100
0.0%
−28
–   Fritz 16 64-bit 4CPU3238+10
−10		(+51)21.5 − 28.5
(+6−13=31)
43.0%
21.5 / 50
0.0%
+7
–   Fizbo 1.8 64-bit 4CPU3227+18
−18		(+40)12.5 − 19.5
(+3−10=19)
39.1%
12.5 / 32
0.0%
−33
–   Gull 3 64-bit 4CPU3225+9
−9		(+38)17 − 23
(+7−13=20)
42.5%
17.0 / 40
0.0%
−14
–   Gull 2.8b 64-bit 4CPU3220+17
−17		(+33)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+107
–   Equinox 3.20 64-bit 4CPU3217+10
−10		(+30)17.5 − 19.5
(+2−4=31)
47.3%
17.5 / 37
0.0%
+15
–   Houdini 1.5a 64-bit 4CPU3214+12
−12		(+27)33 − 49
(+15−31=36)
40.2%
33.0 / 82
0.0%
−41
–   Fritz 15 64-bit 4CPU3206+11
−11		(+19)17 − 19
(+5−7=24)
47.2%
17.0 / 36
0.2%
0
–   Equinox 3.30 64-bit 4CPU3205+16
−16		(+18)9 − 12
(+2−5=14)		42.9%
9.0 / 21
2.3%
−31
–   Critter 1.6a 64-bit 4CPU3201+8
−8		(+14)31.5 − 36.5
(+11−16=41)
46.3%
31.5 / 68
0.4%
−10
–   Houdini 3 64-bit3200+11
−11		(+13)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
3.7%
+91
–   Hannibal 1.7 64-bit 4CPU3197+12
−12		(+10)17.5 − 24.5
(+4−11=27)
41.7%
17.5 / 42
8.3%
−41
–   NirvanaChess 2.3 64-bit 4CPU3191+16
−16		(+4)13.5 − 18.5
(+2−7=23)
42.2%
13.5 / 32
34.0%
−45
–   Stockfish 2.2.2 64-bit 4CPU3190+14
−14		(+3)17 − 15
(+7−5=20)
53.1%
17.0 / 32
35.6%
+26
–   Bouquet 1.8 64-bit 4CPU3190+10
−10		(+3)15.5 − 14.5
(+5−4=21)
51.7%
15.5 / 30
33.0%
+13
–   Andscacs 0.86 64-bit 4CPU3188+17
−17		(+1)17 − 13
(+10−6=14)
56.7%
17.0 / 30
46.1%
+46
–   Alfil 15.7 64-bit 4CPU3183+15
−15		(−4)18 − 14
(+10−6=16)
56.3%
18.0 / 32
69.0%
+37
–   Stockfish 2.3.1 64-bit 4CPU3183+17
−17		(−4)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
67.5%
+48
–   Protector 1.9.0 64-bit 4CPU3181+14
−14		(−6)19 − 21
(+6−8=26)
47.5%
19.0 / 40
80.1%
−23
–   NirvanaChess 2.2 64-bit 4CPU3180+15
−15		(−7)17.5 − 18.5
(+4−5=27)
48.6%
17.5 / 36
80.8%
−12
–   Critter 1.2 64-bit 4CPU3179+15
−15		(−8)67.5 − 67.5
(+28−28=79)
50.0%
67.5 / 135
84.2%
−7
–   Andscacs 0.85 64-bit 4CPU3173+22
−22		(−14)8.5 − 11.5
(+4−7=9)		42.5%
8.5 / 20
88.0%
−71
–   Chiron 3.01 64-bit 4CPU3170+22
−22		(−17)11 − 9
(+2−0=18)		55.0%
11.0 / 20
93.5%
+10
–   Stockfish 2.0.1 64-bit 4CPU3163+21
−21		(−24)33.5 − 28.5
(+17−12=33)
54.0%
33.5 / 62
98.3%
+4
–   BlackMamba 2.0 64-bit 4CPU3162+13
−13		(−25)18 − 14
(+11−7=14)
56.3%
18.0 / 32
99.9%
+21
–   Rybka 3 64-bit 4CPU3152+10
−10		(−35)35 − 21
(+20−6=30)
62.5%
35.0 / 56
100.0%
+50
–   Stockfish 1.9.1 64-bit 4CPU3149+17
−17		(−38)43 − 33
(+25−15=36)
56.6%
43.0 / 76
100.0%
+7
–   Komodo 5 64-bit3148+9
−9		(−39)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
+15
–   Stockfish 1.8 64-bit 4CPU3144+15
−15		(−43)39 − 27
(+22−10=34)
59.1%
39.0 / 66
100.0%
+18
–   Stockfish 1.7.1 64-bit 4CPU3139+16
−16		(−48)51.5 − 35.5
(+22−6=59)
59.2%
51.5 / 87
100.0%
+10
–   Komodo 4 64-bit3133+10
−10		(−54)48.5 − 32.5
(+27−11=43)
59.9%
48.5 / 81
100.0%
+12
–   NirvanaChess 2.1c 64-bit 4CPU3132+20
−20		(−55)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−132
–   Gull 2.2 64-bit 4CPU3131+22
−22		(−56)18 − 12
(+8−2=20)
60.0%
18.0 / 30
100.0%
+6
–   Critter 1.01 64-bit 4CPU3121+24
−24		(−66)11.5 − 6.5
(+6−1=11)		63.9%
11.5 / 18
100.0%
+24
–   Critter 0.90 64-bit 4CPU3107+26
−26		(−80)20.5 − 13.5
(+13−6=15)
60.3%
20.5 / 34
100.0%
−5
–   Deep Fritz 14 64-bit 4CPU3105+14
−14		(−82)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
−14
–   Naum 4.2 64-bit 4CPU3092+9
−9		(−95)32 − 25
(+12−5=40)
56.1%
32.0 / 57
100.0%
−56
–   Alfil 15.8 64-bit 4CPU3089+19
−19		(−98)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+14
–   Critter 0.80 64-bit 4CPU3063+26
−26		(−124)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−5
–   Deep Fritz 13 4CPU3062+15
−15		(−125)23 − 7
(+17−1=12)
76.7%
23.0 / 30
100.0%
+62
–   Deep Junior 13 64-bit 4CPU3055+14
−14		(−132)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
0
–   Deep Junior 13.3 64-bit 4CPU3046+16
−16		(−141)31.5 − 12.5
(+22−3=19)
71.6%
31.5 / 44
100.0%
+11
–   Deep Shredder 12 64-bit 4CPU3045+9
−9		(−142)43.5 − 12.5
(+31−0=25)
77.7%
43.5 / 56
100.0%
+49
–   Spike 1.4 Leiden 4CPU3042+10
−10		(−145)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
+8
–   Zappa Mexico II 64-bit 4CPU2993+9
−9		(−194)40 − 13
(+29−2=22)
75.5%
40.0 / 53
100.0%
−13
–   Spark 0.5 64-bit 4CPU2981+22
−22		(−206)48.5 − 11.5
(+38−1=21)
80.8%
48.5 / 60
100.0%
+17
–   Komodo 1.2 64-bit2966+13
−13		(−221)52 − 17
(+37−2=30)
75.4%
52.0 / 69
100.0%
−44
–   Spark 0.4 64-bit 4CPU2953+19
−19		(−234)58.5 − 15.5
(+47−4=23)
79.1%
58.5 / 74
100.0%
−16
–   Onno 1.2.70 64-bit 4CPU2952+17
−17		(−235)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−234
–   Deep Sjeng WC2008 64-bit 4CPU2944+11
−11		(−243)35.5 − 8.5
(+31−4=9)
80.7%
35.5 / 44
100.0%
+4
–   Thinker 5.4c Inert 64-bit 4CPU2943+13
−13		(−244)65 − 12
(+55−2=20)
84.4%
65.0 / 77
100.0%
+20
–   Thinker 5.4d Inert 64-bit 4CPU2942+20
−20		(−245)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
3240 games: 775 wins, 823 losses, 1642 draws (50.7%), score: 49.3%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024