CCRL Blitz
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 2'370'030 games
played by 2'800 programs

White wins: 913'140 (38.5%)
Black wins: 734'658 (31.0%)
Draws: 722'232 (30.5%)
White score: 53.8%

Engine Details

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Show each game results
Rybka 4.1 64-bit 4CPU#36  (3207+7
−7
)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
–   Komodo 10.4 64-bit 4CPU3472+18
−18
(+265)9 − 51
(+0−42=18)
15.0%
9.0 / 60
0.0%
+11
–   Stockfish 160716 64-bit 4CPU3455+14
−13
(+248)18 − 86
(+1−69=34)
17.3%
18.0 / 104
0.0%
+17
–   Stockfish 200516 64-bit 4CPU3441+18
−18
(+234)14 − 60
(+2−48=24)
18.9%
14.0 / 74
0.0%
+16
–   Komodo 10 64-bit 4CPU3429+15
−14
(+222)17 − 65
(+2−50=30)
20.7%
17.0 / 82
0.0%
+24
–   Stockfish 7 64-bit 4CPU3427+20
−20
(+220)12 − 40
(+1−29=22)
23.1%
12.0 / 52
0.0%
+47
–   Komodo 10.1 64-bit 4CPU3426+18
−17
(+219)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−116
–   Stockfish 251115 64-bit 4CPU3420+17
−17
(+213)14.5 − 59.5
(+1−46=27)
19.6%
14.5 / 74
0.0%
+7
–   Komodo 9.2 64-bit 4CPU3412+19
−19
(+205)14.5 − 67.5
(+2−55=25)
17.7%
14.5 / 82
0.0%
−26
–   Komodo 9.3 64-bit 4CPU3406+19
−18
(+199)17 − 67
(+3−53=28)
20.2%
17.0 / 84
0.0%
−7
–   Komodo 9.42 64-bit 4CPU3403+17
−17
(+196)23 − 81
(+5−63=36)
22.1%
23.0 / 104
0.0%
+6
–   Stockfish 6 64-bit 4CPU3393+15
−15
(+186)22.5 − 77.5
(+3−58=39)
22.5%
22.5 / 100
0.0%
+4
–   Komodo 9.1 64-bit 4CPU3382+18
−17
(+175)27.5 − 72.5
(+4−49=47)
27.5%
27.5 / 100
0.0%
+37
–   Komodo 9 64-bit 4CPU3382+16
−16
(+175)33 − 97
(+5−69=56)
25.4%
33.0 / 130
0.0%
+19
–   Stockfish 5 64-bit 4CPU3366+16
−16
(+159)31 − 99
(+8−76=46)
23.8%
31.0 / 130
0.0%
−16
–   Komodo 8 64-bit 4CPU3353+16
−16
(+146)25 − 75
(+6−56=38)
25.0%
25.0 / 100
0.0%
−18
–   Andscacs 0.95 64-bit 4CPU3336+11
−10
(+129)12 − 26
(+3−17=18)
31.6%
12.0 / 38
0.0%
+14
–   Houdini 4 64-bit 4CPU3332+9
−9
(+125)15 − 35
(+5−25=20)
30.0%
15.0 / 50
0.0%
−3
–   Komodo 7a 64-bit 4CPU3321+16
−16
(+114)30.5 − 69.5
(+11−50=39)
30.5%
30.5 / 100
0.0%
−11
–   Houdini 3 64-bit 4CPU3320+14
−14
(+113)19 − 31
(+9−21=20)
38.0%
19.0 / 50
0.0%
+40
–   Stockfish 6 64-bit3317+11
−11
(+110)10.5 − 21.5
(+0−11=21)
32.8%
10.5 / 32
0.0%
+16
–   Stockfish DD 64-bit 4CPU3310+15
−15
(+103)12 − 38
(+4−30=16)
24.0%
12.0 / 50
0.0%
−76
–   RofChade 2.1 64-bit 4CPU3308+20
−20
(+101)9 − 20
(+3−14=12)
31.0%
9.0 / 29
0.0%
−19
–   RubiChess 1.6.1.1 64-bit 4CPU3292+14
−14
(+85)27 − 55
(+11−39=32)
32.9%
27.0 / 82
0.0%
−26
–   Defenchess 2.1 64-bit 4CPU3288+19
−19
(+81)10.5 − 19.5
(+1−10=19)
35.0%
10.5 / 30
0.0%
−1
–   Schooner 2.1 64-bit 4CPU3288+16
−16
(+81)12 − 21
(+3−12=18)
36.4%
12.0 / 33
0.0%
+2
–   Komodo TCEC 64-bit 4CPU3287+16
−16
(+80)57 − 90
(+23−56=68)
38.8%
57.0 / 147
0.0%
+10
–   Houdini 2.0c 64-bit 4CPU3278+12
−12
(+71)56.5 − 93.5
(+24−61=65)
37.7%
56.5 / 150
0.0%
−6
–   Schooner 2.0.34 64-bit 4CPU3276+16
−16
(+69)16 − 28
(+5−17=22)
36.4%
16.0 / 44
0.0%
−12
–   Schooner 2.2 64-bit 4CPU3276+11
−11
(+69)39 − 61
(+12−34=54)
39.0%
39.0 / 100
0.0%
+4
–   Laser 1.6 64-bit 4CPU3275+17
−17
(+68)22 − 29
(+8−15=28)
43.1%
22.0 / 51
0.0%
+29
–   Stockfish 4 64-bit 4CPU3270+17
−17
(+63)16.5 − 33.5
(+6−23=21)
33.0%
16.5 / 50
0.0%
−44
–   Houdini 1.5a 64-bit 4CPU3265+16
−16
(+58)21 − 29
(+9−17=24)
42.0%
21.0 / 50
0.0%
+8
–   Gull 3 64-bit 4CPU3260+9
−9
(+53)16 − 31
(+6−21=20)
34.0%
16.0 / 47
0.0%
−47
–   Gull 2.8b 64-bit 4CPU3258+21
−21
(+51)22 − 28
(+8−14=28)
44.0%
22.0 / 50
0.0%
+15
–   Fire 4 64-bit 4CPU3256+10
−10
(+49)35 − 45
(+11−21=48)
43.8%
35.0 / 80
0.0%
+11
–   Pedone 2.0 64-bit 4CPU3255+14
−14
(+48)38.5 − 60.5
(+16−38=45)
38.9%
38.5 / 99
0.0%
−20
–   Wasp 4.0 64-bit 4CPU3254+25
−25
(+47)12.5 − 14.5
(+8−10=9)
46.3%
12.5 / 27
0.0%
+22
–   Komodo 6 64-bit 4CPU3252+19
−19
(+45)22 − 28
(+9−15=26)
44.0%
22.0 / 50
0.0%
+9
–   Equinox 3.30 64-bit 4CPU3252+7
−8
(+45)40 − 60
(+7−27=66)
40.0%
40.0 / 100
0.0%
−9
–   Fizbo 1.8 64-bit 4CPU3247+14
−14
(+40)17.5 − 34.5
(+5−22=25)
33.7%
17.5 / 52
0.0%
−59
–   Arasan 21.3 64-bit 4CPU3245+24
−24
(+38)12 − 12
(+6−6=12)
50.0%
12.0 / 24
0.1%
+38
–   Igel 2.5.0 64-bit 4CPU3245+24
−24
(+38)16 − 25
(+4−13=24)
39.0%
16.0 / 41
0.1%
−23
–   Gull 2.3 64-bit 4CPU3245+17
−17
(+38)21 − 29
(+10−18=22)
42.0%
21.0 / 50
0.0%
−13
–   Houdini 4 64-bit3241+9
−9
(+34)18 − 32
(+8−22=20)
36.0%
18.0 / 50
0.0%
−56
–   Komodo 5.1 64-bit 4CPU3239+16
−15
(+32)27 − 34
(+11−18=32)
44.3%
27.0 / 61
0.0%
0
–   Andscacs 0.872 64-bit 4CPU3238+17
−17
(+31)25 − 27
(+13−15=24)
48.1%
25.0 / 52
0.0%
+19
–   Stockfish 3 64-bit 4CPU3237+19
−19
(+30)27.5 − 35.5
(+12−20=31)
43.7%
27.5 / 63
0.1%
−8
–   RofChade 2.0 64-bit 4CPU3236+17
−17
(+29)19 − 21
(+8−10=22)
47.5%
19.0 / 40
0.1%
+15
–   Komodo 8 64-bit3235+13
−12
(+28)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.0%
−36
–   Critter 1.6a 64-bit 4CPU3233+7
−7
(+26)54 − 60
(+26−32=56)
47.4%
54.0 / 114
0.0%
+11
–   Vajolet2 2.8 64-bit 4CPU3228+12
−12
(+21)48 − 58
(+26−36=44)
45.3%
48.0 / 106
0.1%
−5
–   Combusken 1.3.0 64-bit 4CPU3228+25
−25
(+21)16.5 − 22.5
(+8−14=17)
42.3%
16.5 / 39
5.5%
−25
–   Gull 2.2 64-bit 4CPU3224+20
−20
(+17)20.5 − 29.5
(+9−18=23)
41.0%
20.5 / 50
4.9%
−39
–   Hannibal 1.7 64-bit 4CPU3224+9
−9
(+17)24 − 28
(+12−16=24)
46.2%
24.0 / 52
0.1%
−8
–   Fritz 15 64-bit 4CPU3223+10
−10
(+16)37 − 35
(+13−11=48)
51.4%
37.0 / 72
0.3%
+23
–   Andscacs 0.86 64-bit 4CPU3222+17
−17
(+15)24 − 28
(+13−17=22)
46.2%
24.0 / 52
5.6%
−8
–   Stockfish 2.3.1 64-bit 4CPU3221+18
−18
(+14)50 − 54
(+22−26=56)
48.1%
50.0 / 104
6.9%
+1
–   Fire 3.0 64-bit 4CPU3216+17
−17
(+9)31.5 − 48.5
(+13−30=37)
39.4%
31.5 / 80
15.7%
−56
–   Demolito 2020-04-10 64-bit 4CPU3214+15
−15
(+7)45.5 − 53.5
(+26−34=39)
46.0%
45.5 / 99
18.5%
−20
–   NirvanaChess 2.3 64-bit 4CPU3211+14
−13
(+4)24 − 28
(+6−10=36)
46.2%
24.0 / 52
28.2%
−18
–   Critter 1.2 64-bit 4CPU3209+16
−16
(+2)23 − 26
(+10−13=26)
46.9%
23.0 / 49
38.8%
−15
–   Komodo 7a 64-bit3206+14
−14
(−1)47 − 53
(+23−29=48)
47.0%
47.0 / 100
56.2%
−17
–   Arasan 21.2 64-bit 4CPU3206+17
−17
(−1)42 − 43
(+16−17=52)
49.4%
42.0 / 85
54.9%
−5
–   BlackMamba 2.0 64-bit 4CPU3197+12
−12
(−10)26 − 24
(+14−12=24)
52.0%
26.0 / 50
93.5%
+1
–   Pedone 1.9 64-bit 4CPU3197+17
−17
(−10)43 − 32
(+23−12=40)
57.3%
43.0 / 75
86.4%
+31
–   Stockfish 2.1.1 64-bit 4CPU3195+15
−15
(−12)25 − 25
(+13−13=24)
50.0%
25.0 / 50
91.8%
−14
–   Arasan 21.1 64-bit 4CPU3193+17
−17
(−14)24 − 22
(+14−12=20)
52.2%
24.0 / 46
92.3%
−1
–   Igel 2.4.0 64-bit 4CPU3191+19
−19
(−16)22.5 − 20.5
(+11−9=23)
52.3%
22.5 / 43
93.1%
−2
–   Wasp 3.75 64-bit 4CPU3190+13
−13
(−17)35 − 33
(+15−13=40)
51.5%
35.0 / 68
98.8%
−7
–   Booot 6.1 64-bit 4CPU3187+15
−15
(−20)18 − 22
(+9−13=18)
45.0%
18.0 / 40
99.2%
−49
–   Vajolet2 2.6.1 64-bit 4CPU3185+15
−15
(−22)21.5 − 17.5
(+12−8=19)
55.1%
21.5 / 39
99.5%
+11
–   Fizbo 1.7 64-bit 4CPU3184+15
−15
(−23)28 − 24
(+19−15=18)
53.8%
28.0 / 52
99.7%
+4
–   NirvanaChess 2.2 64-bit 4CPU3182+16
−16
(−25)30 − 22
(+16−8=28)
57.7%
30.0 / 52
99.8%
+17
–   chess22k 1.14 64-bit 4CPU3182+13
−13
(−25)56.5 − 44.5
(+32−20=49)
55.9%
56.5 / 101
100.0%
+8
–   Komodo CCT 64-bit3181+11
−12
(−26)31.5 − 18.5
(+21−8=21)
63.0%
31.5 / 50
100.0%
+54
–   Nemorino 5.00 64-bit 4CPU3180+11
−11
(−27)29 − 23
(+19−13=20)
55.8%
29.0 / 52
100.0%
+11
–   Elektro 1.2 64-bit 4CPU3175+16
−16
(−32)30.5 − 21.5
(+16−7=29)
58.7%
30.5 / 52
100.0%
+15
–   ChessBrainVB 3.74 4CPU3170+14
−14
(−37)41.5 − 35.5
(+23−17=37)
53.9%
41.5 / 77
100.0%
−13
–   iCE 4.0 64-bit 4CPU3170+12
−12
(−37)47 − 23
(+33−9=28)
67.1%
47.0 / 70
100.0%
+72
–   Houdini 1.5a 64-bit3170+11
−11
(−37)32 − 18
(+19−5=26)
64.0%
32.0 / 50
100.0%
+43
–   Hannibal 1.5 64-bit 4CPU3169+12
−12
(−38)59.5 − 40.5
(+40−21=39)
59.5%
59.5 / 100
100.0%
+23
–   Stockfish 2.0.1 64-bit 4CPU3167+14
−14
(−40)27.5 − 22.5
(+12−7=31)
55.0%
27.5 / 50
100.0%
−9
–   Pedone 1.8 64-bit 4CPU3160+18
−18
(−47)21.5 − 23.5
(+10−12=23)
47.8%
21.5 / 45
100.0%
−59
–   Texel 1.06 64-bit 4CPU3158+15
−15
(−49)31.5 − 20.5
(+20−9=23)
60.6%
31.5 / 52
100.0%
+15
–   Critter 1.01 64-bit 4CPU3157+16
−16
(−50)25.5 − 24.5
(+11−10=29)
51.0%
25.5 / 50
100.0%
−44
–   Wasp 3.60 64-bit 4CPU3156+18
−18
(−51)41.5 − 33.5
(+19−11=45)
55.3%
41.5 / 75
100.0%
−20
–   Naum 4.6 64-bit 4CPU3150+9
−10
(−57)17.5 − 13.5
(+9−5=17)
56.5%
17.5 / 31
100.0%
−20
–   Chiron 3.01 64-bit 4CPU3145+15
−15
(−62)36.5 − 15.5
(+25−4=23)
70.2%
36.5 / 52
100.0%
+62
–   Marvin 3.6.0 64-bit 4CPU3140+21
−22
(−67)39 − 17
(+31−9=16)
69.6%
39.0 / 56
100.0%
+70
–   Minic 2.0 64-bit 4CPU3138+12
−12
(−69)88.5 − 46.5
(+61−19=55)
65.6%
88.5 / 135
100.0%
+28
–   Protector 1.9.0 64-bit 4CPU3129+9
−9
(−78)35 − 17
(+22−4=26)
67.3%
35.0 / 52
100.0%
+25
–   Komodo 4 64-bit3127+11
−11
(−80)32 − 18
(+21−7=22)
64.0%
32.0 / 50
100.0%
+7
–   Chiron 2 64-bit 4CPU3120+14
−15
(−87)32 − 17
(+23−8=18)
65.3%
32.0 / 49
100.0%
+15
–   Hannibal 1.4b 64-bit 4CPU3118+13
−14
(−89)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−29
–   Komodo 3 64-bit3109+10
−10
(−98)33.5 − 16.5
(+25−8=17)
67.0%
33.5 / 50
100.0%
+16
–   Hiarcs 14 4CPU3108+12
−12
(−99)33 − 17
(+24−8=18)
66.0%
33.0 / 50
100.0%
+6
–   Naum 4.2 64-bit 4CPU3099+8
−8
(−108)34.5 − 15.5
(+26−7=17)
69.0%
34.5 / 50
100.0%
+22
–   Senpai 1.0 64-bit 4CPU3097+16
−17
(−110)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
+19
–   Chiron 1.5 64-bit 4CPU3095+21
−21
(−112)40 − 12
(+30−2=20)
76.9%
40.0 / 52
100.0%
+64
–   Pedone 1.5 64-bit 4CPU3093+16
−17
(−114)23 − 11
(+17−5=12)
67.6%
23.0 / 34
100.0%
+2
–   Protector 1.5.0 64-bit 4CPU3087+14
−15
(−120)41 − 19
(+28−6=26)
68.3%
41.0 / 60
100.0%
−5
–   Deep Fritz 13 4CPU3074+17
−17
(−133)36 − 16
(+23−3=26)
69.2%
36.0 / 52
100.0%
−17
–   Komodo 2.01 64-bit3072+15
−15
(−135)33.5 − 16.5
(+23−6=21)
67.0%
33.5 / 50
100.0%
−28
–   Bouquet 1.8 64-bit 4CPU3072+17
−17
(−135)36 − 14
(+24−2=24)
72.0%
36.0 / 50
100.0%
−1
–   Komodo 2.03 64-bit3072+13
−14
(−135)36 − 14
(+25−3=22)
72.0%
36.0 / 50
100.0%
+4
–   Vajolet2 2.2 64-bit 4CPU3068+18
−18
(−139)40.5 − 11.5
(+31−2=19)
77.9%
40.5 / 52
100.0%
+48
–   Hannibal 1.3 64-bit 4CPU3067+20
−21
(−140)41 − 19
(+31−9=20)
68.3%
41.0 / 60
100.0%
−16
–   Chiron 1.1a 64-bit 4CPU3064+16
−16
(−143)42.5 − 19.5
(+28−5=29)
68.5%
42.5 / 62
100.0%
−30
–   Rodent IV 022 64-bit 4CPU3045+11
−11
(−162)51 − 18
(+39−6=24)
73.9%
51.0 / 69
100.0%
−1
–   Deep Shredder 12 64-bit 4CPU3042+7
−7
(−165)35 − 15
(+27−7=16)
70.0%
35.0 / 50
100.0%
−28
–   Spike 1.4 Leiden 4CPU3040+8
−8
(−167)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+17
–   Hiarcs 13.2 4CPU3034+13
−13
(−173)37 − 13
(+28−4=18)
74.0%
37.0 / 50
100.0%
−12
–   Spark 1.0 64-bit 4CPU3027+8
−8
(−180)38 − 12
(+29−3=18)
76.0%
38.0 / 50
100.0%
−5
–   Deep Junior Yokohama 64-bit 4CPU3026+17
−17
(−181)37.5 − 12.5
(+28−3=19)
75.0%
37.5 / 50
100.0%
−15
–   Deep Junior 12.5 64-bit 4CPU3015+16
−16
(−192)37.5 − 12.5
(+29−4=17)
75.0%
37.5 / 50
100.0%
−22
–   Deep Junior 13 64-bit 4CPU3013+18
−18
(−194)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
+36
–   Hiarcs 13.1 4CPU3010+12
−12
(−197)37 − 13
(+26−2=22)
74.0%
37.0 / 50
100.0%
−45
–   Komodo 1.3 64-bit2994+12
−12
(−213)39 − 11
(+31−3=16)
78.0%
39.0 / 50
100.0%
−17
–   Deep Junior 12 64-bit 4CPU2990+16
−16
(−217)40 − 10
(+33−3=14)
80.0%
40.0 / 50
100.0%
−1
–   Fritz 132986+10
−10
(−221)41 − 9
(+34−2=14)
82.0%
41.0 / 50
100.0%
+11
–   Zappa Mexico II 64-bit 4CPU2973+7
−7
(−234)48.5 − 11.5
(+39−2=19)
80.8%
48.5 / 60
100.0%
−16
–   Protector 1.4.0 64-bit 4CPU2972+13
−13
(−235)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+67
–   Onno 1.2.70 64-bit 4CPU2956+12
−12
(−251)41.5 − 7.5
(+34−0=15)
84.7%
41.5 / 49
100.0%
−2
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8
(−253)42 − 8
(+34−0=16)
84.0%
42.0 / 50
100.0%
−12
–   Gull 1.1 64-bit2944+13
−13
(−263)42 − 8
(+36−2=12)
84.0%
42.0 / 50
100.0%
−3
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8
(−266)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+11
–   Tucano 7.05 64-bit 4CPU2938+30
−30
(−269)41 − 7
(+36−2=10)
85.4%
41.0 / 48
100.0%
+9
–   Deep Sjeng 3.0 64-bit 4CPU2931+9
−9
(−276)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+1
–   Toga II 3.0 4CPU2931+17
−17
(−276)41.5 − 8.5
(+34−1=15)
83.0%
41.5 / 50
100.0%
−39
–   Toga II 1.4 beta5c 4CPU2905+9
−9
(−302)45.5 − 4.5
(+42−1=7)
91.0%
45.5 / 50
100.0%
+63

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Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on September 19, 2020