CCRL Blitz
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 2'526'227 games
played by 3'011 programs

White wins: 970'445 (38.4%)
Black wins: 776'698 (30.7%)
Draws: 779'084 (30.8%)
White score: 53.8%

Engine Details

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Show each game results
Rybka 4.1 64-bit 4CPU#39  (3206+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
(+266)9 − 51
(+0−42=18)
15.0%
9.0 / 60
0.0%
+12
–   Stockfish 160716 64-bit 4CPU3454+14
−13
(+248)18 − 86
(+1−69=34)
17.3%
18.0 / 104
0.0%
+17
–   Stockfish 200516 64-bit 4CPU3441+18
−18
(+235)14 − 60
(+2−48=24)
18.9%
14.0 / 74
0.0%
+17
–   Komodo 10 64-bit 4CPU3428+15
−14
(+222)17 − 65
(+2−50=30)
20.7%
17.0 / 82
0.0%
+24
–   Stockfish 7 64-bit 4CPU3426+20
−20
(+220)12 − 40
(+1−29=22)
23.1%
12.0 / 52
0.0%
+47
–   Komodo 10.1 64-bit 4CPU3425+18
−17
(+219)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−116
–   Stockfish 251115 64-bit 4CPU3420+17
−17
(+214)14.5 − 59.5
(+1−46=27)
19.6%
14.5 / 74
0.0%
+8
–   Komodo 9.2 64-bit 4CPU3411+19
−19
(+205)14.5 − 67.5
(+2−55=25)
17.7%
14.5 / 82
0.0%
−26
–   Komodo 9.3 64-bit 4CPU3405+19
−18
(+199)17 − 67
(+3−53=28)
20.2%
17.0 / 84
0.0%
−7
–   Komodo 9.42 64-bit 4CPU3402+17
−17
(+196)23 − 81
(+5−63=36)
22.1%
23.0 / 104
0.0%
+6
–   Stockfish 6 64-bit 4CPU3392+15
−15
(+186)22.5 − 77.5
(+3−58=39)
22.5%
22.5 / 100
0.0%
+4
–   Komodo 9.1 64-bit 4CPU3381+18
−17
(+175)27.5 − 72.5
(+4−49=47)
27.5%
27.5 / 100
0.0%
+37
–   Komodo 9 64-bit 4CPU3381+16
−16
(+175)33 − 97
(+5−69=56)
25.4%
33.0 / 130
0.0%
+19
–   Stockfish 5 64-bit 4CPU3366+16
−16
(+160)31 − 99
(+8−76=46)
23.8%
31.0 / 130
0.0%
−15
–   Komodo 8 64-bit 4CPU3352+16
−16
(+146)25 − 75
(+6−56=38)
25.0%
25.0 / 100
0.0%
−18
–   Andscacs 0.95 64-bit 4CPU3335+10
−10
(+129)12 − 26
(+3−17=18)
31.6%
12.0 / 38
0.0%
+14
–   Houdini 4 64-bit 4CPU3331+9
−9
(+125)15 − 35
(+5−25=20)
30.0%
15.0 / 50
0.0%
−3
–   Komodo 7a 64-bit 4CPU3320+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
(+114)19 − 31
(+9−21=20)
38.0%
19.0 / 50
0.0%
+41
–   Stockfish 6 64-bit3317+12
−11
(+111)10.5 − 21.5
(+0−11=21)
32.8%
10.5 / 32
0.0%
+17
–   Stockfish DD 64-bit 4CPU3310+15
−15
(+104)12 − 38
(+4−30=16)
24.0%
12.0 / 50
0.0%
−75
–   RofChade 2.1 64-bit 4CPU3308+20
−20
(+102)9 − 20
(+3−14=12)
31.0%
9.0 / 29
0.0%
−18
–   RubiChess 1.6.1.1 64-bit 4CPU3291+14
−14
(+85)27 − 55
(+11−39=32)
32.9%
27.0 / 82
0.0%
−26
–   Defenchess 2.1 64-bit 4CPU3287+19
−19
(+81)10.5 − 19.5
(+1−10=19)
35.0%
10.5 / 30
0.0%
−1
–   Komodo TCEC 64-bit 4CPU3286+16
−16
(+80)57 − 90
(+23−56=68)
38.8%
57.0 / 147
0.0%
+10
–   Schooner 2.1 64-bit 4CPU3285+15
−15
(+79)12 − 21
(+3−12=18)
36.4%
12.0 / 33
0.0%
0
–   Houdini 2.0c 64-bit 4CPU3278+12
−12
(+72)56.5 − 93.5
(+24−61=65)
37.7%
56.5 / 150
0.0%
−5
–   Schooner 2.2 64-bit 4CPU3277+11
−10
(+71)39 − 61
(+12−34=54)
39.0%
39.0 / 100
0.0%
+6
–   Schooner 2.0.34 64-bit 4CPU3275+16
−16
(+69)16 − 28
(+5−17=22)
36.4%
16.0 / 44
0.0%
−12
–   Laser 1.6 64-bit 4CPU3274+17
−17
(+68)22 − 29
(+8−15=28)
43.1%
22.0 / 51
0.0%
+29
–   Stockfish 4 64-bit 4CPU3269+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
−15
(+59)21 − 29
(+9−17=24)
42.0%
21.0 / 50
0.0%
+9
–   Gull 3 64-bit 4CPU3259+9
−9
(+53)16 − 31
(+6−21=20)
34.0%
16.0 / 47
0.0%
−47
–   Gull 2.8b 64-bit 4CPU3257+21
−21
(+51)22 − 28
(+8−14=28)
44.0%
22.0 / 50
0.0%
+15
–   Fire 4 64-bit 4CPU3255+10
−10
(+49)35 − 45
(+11−21=48)
43.8%
35.0 / 80
0.0%
+11
–   Pedone 2.0 64-bit 4CPU3254+12
−12
(+48)38.5 − 60.5
(+16−38=45)
38.9%
38.5 / 99
0.0%
−20
–   Komodo 6 64-bit 4CPU3252+19
−19
(+46)22 − 28
(+9−15=26)
44.0%
22.0 / 50
0.0%
+10
–   Equinox 3.30 64-bit 4CPU3251+7
−8
(+45)40 − 60
(+7−27=66)
40.0%
40.0 / 100
0.0%
−9
–   Wasp 4.0 64-bit 4CPU3247+21
−21
(+41)12.5 − 14.5
(+8−10=9)
46.3%
12.5 / 27
0.0%
+16
–   Fizbo 1.8 64-bit 4CPU3246+14
−14
(+40)17.5 − 34.5
(+5−22=25)
33.7%
17.5 / 52
0.0%
−59
–   Arasan 21.3 64-bit 4CPU3244+24
−24
(+38)12 − 12
(+6−6=12)
50.0%
12.0 / 24
0.2%
+38
–   Igel 2.5.0 64-bit 4CPU3244+24
−24
(+38)16 − 25
(+4−13=24)
39.0%
16.0 / 41
0.2%
−23
–   Gull 2.3 64-bit 4CPU3244+17
−17
(+38)21 − 29
(+10−18=22)
42.0%
21.0 / 50
0.0%
−13
–   Winter 0.9 64-bit 4CPU3241+16
−16
(+35)34.5 − 41.5
(+23−30=23)
45.4%
34.5 / 76
0.0%
+2
–   Houdini 4 64-bit3241+9
−9
(+35)18 − 32
(+8−22=20)
36.0%
18.0 / 50
0.0%
−55
–   Komodo 5.1 64-bit 4CPU3239+16
−15
(+33)27 − 34
(+11−18=32)
44.3%
27.0 / 61
0.0%
0
–   Andscacs 0.872 64-bit 4CPU3238+17
−17
(+32)25 − 27
(+13−15=24)
48.1%
25.0 / 52
0.0%
+20
–   Stockfish 3 64-bit 4CPU3237+19
−19
(+31)27.5 − 35.5
(+12−20=31)
43.7%
27.5 / 63
0.1%
−7
–   Komodo 8 64-bit3235+13
−13
(+29)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.0%
−35
–   RofChade 2.0 64-bit 4CPU3235+17
−17
(+29)19 − 21
(+8−10=22)
47.5%
19.0 / 40
0.1%
+15
–   Critter 1.6a 64-bit 4CPU3232+6
−7
(+26)54 − 60
(+26−32=56)
47.4%
54.0 / 114
0.0%
+11
–   Vajolet2 2.8 64-bit 4CPU3228+11
−11
(+22)48 − 58
(+26−36=44)
45.3%
48.0 / 106
0.0%
−4
–   Combusken 1.3.0 64-bit 4CPU3227+25
−25
(+21)16.5 − 22.5
(+8−14=17)
42.3%
16.5 / 39
5.9%
−25
–   Gull 2.2 64-bit 4CPU3224+20
−20
(+18)20.5 − 29.5
(+9−18=23)
41.0%
20.5 / 50
4.7%
−38
–   Fritz 15 64-bit 4CPU3223+10
−10
(+17)37 − 35
(+13−11=48)
51.4%
37.0 / 72
0.3%
+24
–   Hannibal 1.7 64-bit 4CPU3223+9
−9
(+17)24 − 28
(+12−16=24)
46.2%
24.0 / 52
0.1%
−8
–   Andscacs 0.86 64-bit 4CPU3221+17
−17
(+15)24 − 28
(+13−17=22)
46.2%
24.0 / 52
5.7%
−8
–   Stockfish 2.3.1 64-bit 4CPU3221+18
−18
(+15)50 − 54
(+22−26=56)
48.1%
50.0 / 104
6.6%
+2
–   Fire 3.0 64-bit 4CPU3216+17
−17
(+10)31.5 − 48.5
(+13−30=37)
39.4%
31.5 / 80
15.6%
−55
–   Demolito 2020-04-10 64-bit 4CPU3213+15
−15
(+7)45.5 − 53.5
(+26−34=39)
46.0%
45.5 / 99
20.5%
−20
–   NirvanaChess 2.3 64-bit 4CPU3210+14
−13
(+4)24 − 28
(+6−10=36)
46.2%
24.0 / 52
29.1%
−18
–   Critter 1.2 64-bit 4CPU3209+17
−16
(+3)23 − 26
(+10−13=26)
46.9%
23.0 / 49
37.1%
−14
–   Komodo 7a 64-bit3205+14
−14
(−1)47 − 53
(+23−29=48)
47.0%
47.0 / 100
54.0%
−17
–   Arasan 21.2 64-bit 4CPU3205+17
−17
(−1)42 − 43
(+16−17=52)
49.4%
42.0 / 85
56.8%
−5
–   Pedone 1.9 64-bit 4CPU3196+17
−17
(−10)43 − 32
(+23−12=40)
57.3%
43.0 / 75
87.5%
+31
–   BlackMamba 2.0 64-bit 4CPU3196+12
−12
(−10)26 − 24
(+14−12=24)
52.0%
26.0 / 50
93.9%
+1
–   Stockfish 2.1.1 64-bit 4CPU3195+15
−15
(−11)25 − 25
(+13−13=24)
50.0%
25.0 / 50
91.1%
−13
–   Arasan 21.1 64-bit 4CPU3193+17
−17
(−13)24 − 22
(+14−12=20)
52.2%
24.0 / 46
92.8%
0
–   Igel 2.4.0 64-bit 4CPU3191+19
−19
(−15)22.5 − 20.5
(+11−9=23)
52.3%
22.5 / 43
93.6%
−1
–   Wasp 3.75 64-bit 4CPU3189+13
−13
(−17)35 − 33
(+15−13=40)
51.5%
35.0 / 68
98.8%
−7
–   Booot 6.1 64-bit 4CPU3187+15
−15
(−19)18 − 22
(+9−13=18)
45.0%
18.0 / 40
99.2%
−48
–   Vajolet2 2.6.1 64-bit 4CPU3184+15
−15
(−22)21.5 − 17.5
(+12−8=19)
55.1%
21.5 / 39
99.5%
+11
–   Fizbo 1.7 64-bit 4CPU3183+15
−15
(−23)28 − 24
(+19−15=18)
53.8%
28.0 / 52
99.7%
+4
–   chess22k 1.14 64-bit 4CPU3181+13
−13
(−25)56.5 − 44.5
(+32−20=49)
55.9%
56.5 / 101
100.0%
+8
–   Komodo CCT 64-bit3181+12
−11
(−25)31.5 − 18.5
(+21−8=21)
63.0%
31.5 / 50
100.0%
+55
–   NirvanaChess 2.2 64-bit 4CPU3181+16
−16
(−25)30 − 22
(+16−8=28)
57.7%
30.0 / 52
99.8%
+17
–   Nemorino 5.00 64-bit 4CPU3180+11
−11
(−26)29 − 23
(+19−13=20)
55.8%
29.0 / 52
100.0%
+12
–   Marvin 4.0.0 64-bit 4CPU3178+19
−19
(−28)35 − 33
(+21−19=28)
51.5%
35.0 / 68
99.7%
−21
–   Elektro 1.2 64-bit 4CPU3174+16
−16
(−32)30.5 − 21.5
(+16−7=29)
58.7%
30.5 / 52
100.0%
+15
–   ChessBrainVB 3.74 4CPU3171+14
−14
(−35)41.5 − 35.5
(+23−17=37)
53.9%
41.5 / 77
100.0%
−11
–   iCE 4.0 64-bit 4CPU3171+12
−12
(−35)47 − 23
(+33−9=28)
67.1%
47.0 / 70
100.0%
+74
–   Houdini 1.5a 64-bit3170+12
−11
(−36)32 − 18
(+19−5=26)
64.0%
32.0 / 50
100.0%
+44
–   Hannibal 1.5 64-bit 4CPU3169+12
−13
(−37)59.5 − 40.5
(+40−21=39)
59.5%
59.5 / 100
100.0%
+24
–   Stockfish 2.0.1 64-bit 4CPU3167+15
−14
(−39)27.5 − 22.5
(+12−7=31)
55.0%
27.5 / 50
100.0%
−8
–   Pedone 1.8 64-bit 4CPU3159+18
−18
(−47)21.5 − 23.5
(+10−12=23)
47.8%
21.5 / 45
100.0%
−59
–   Critter 1.01 64-bit 4CPU3157+16
−16
(−49)25.5 − 24.5
(+11−10=29)
51.0%
25.5 / 50
100.0%
−43
–   Texel 1.06 64-bit 4CPU3157+15
−15
(−49)31.5 − 20.5
(+20−9=23)
60.6%
31.5 / 52
100.0%
+15
–   Wasp 3.60 64-bit 4CPU3155+18
−18
(−51)41.5 − 33.5
(+19−11=45)
55.3%
41.5 / 75
100.0%
−20
–   Naum 4.6 64-bit 4CPU3149+9
−9
(−57)17.5 − 13.5
(+9−5=17)
56.5%
17.5 / 31
100.0%
−20
–   Chiron 3.01 64-bit 4CPU3145+15
−15
(−61)36.5 − 15.5
(+25−4=23)
70.2%
36.5 / 52
100.0%
+63
–   Marvin 5.0.0 64-bit 4CPU3141+18
−18
(−65)40.5 − 23.5
(+25−8=31)
63.3%
40.5 / 64
100.0%
+14
–   Marvin 3.6.0 64-bit 4CPU3140+21
−22
(−66)39 − 17
(+31−9=16)
69.6%
39.0 / 56
100.0%
+71
–   Minic 2.0 64-bit 4CPU3137+12
−12
(−69)88.5 − 46.5
(+61−19=55)
65.6%
88.5 / 135
100.0%
+28
–   Protector 1.9.0 64-bit 4CPU3130+8
−8
(−76)35 − 17
(+22−4=26)
67.3%
35.0 / 52
100.0%
+27
–   Komodo 4 64-bit3127+11
−11
(−79)32 − 18
(+21−7=22)
64.0%
32.0 / 50
100.0%
+8
–   Chiron 2 64-bit 4CPU3120+15
−15
(−86)32 − 17
(+23−8=18)
65.3%
32.0 / 49
100.0%
+16
–   Hannibal 1.4b 64-bit 4CPU3118+14
−14
(−88)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−28
–   Komodo 3 64-bit3109+10
−10
(−97)33.5 − 16.5
(+25−8=17)
67.0%
33.5 / 50
100.0%
+17
–   Hiarcs 14 4CPU3108+12
−12
(−98)33 − 17
(+24−8=18)
66.0%
33.0 / 50
100.0%
+7
–   Naum 4.2 64-bit 4CPU3099+8
−8
(−107)34.5 − 15.5
(+26−7=17)
69.0%
34.5 / 50
100.0%
+23
–   Senpai 1.0 64-bit 4CPU3097+16
−16
(−109)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
+20
–   Chiron 1.5 64-bit 4CPU3095+21
−21
(−111)40 − 12
(+30−2=20)
76.9%
40.0 / 52
100.0%
+65
–   Pedone 1.5 64-bit 4CPU3093+17
−17
(−113)23 − 11
(+17−5=12)
67.6%
23.0 / 34
100.0%
+3
–   Protector 1.5.0 64-bit 4CPU3087+15
−14
(−119)41 − 19
(+28−6=26)
68.3%
41.0 / 60
100.0%
−4
–   Deep Fritz 13 4CPU3074+17
−17
(−132)36 − 16
(+23−3=26)
69.2%
36.0 / 52
100.0%
−16
–   Komodo 2.03 64-bit3072+14
−13
(−134)36 − 14
(+25−3=22)
72.0%
36.0 / 50
100.0%
+5
–   Komodo 2.01 64-bit3072+15
−15
(−134)33.5 − 16.5
(+23−6=21)
67.0%
33.5 / 50
100.0%
−27
–   Bouquet 1.8 64-bit 4CPU3072+17
−17
(−134)36 − 14
(+24−2=24)
72.0%
36.0 / 50
100.0%
0
–   Vajolet2 2.2 64-bit 4CPU3068+18
−18
(−138)40.5 − 11.5
(+31−2=19)
77.9%
40.5 / 52
100.0%
+49
–   Hannibal 1.3 64-bit 4CPU3067+21
−21
(−139)41 − 19
(+31−9=20)
68.3%
41.0 / 60
100.0%
−15
–   Chiron 1.1a 64-bit 4CPU3064+16
−16
(−142)42.5 − 19.5
(+28−5=29)
68.5%
42.5 / 62
100.0%
−29
–   Rodent IV 022 64-bit 4CPU3045+11
−11
(−161)51 − 18
(+39−6=24)
73.9%
51.0 / 69
100.0%
0
–   Deep Shredder 12 64-bit 4CPU3042+7
−7
(−164)35 − 15
(+27−7=16)
70.0%
35.0 / 50
100.0%
−27
–   Spike 1.4 Leiden 4CPU3040+8
−9
(−166)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+18
–   Hiarcs 13.2 4CPU3034+13
−13
(−172)37 − 13
(+28−4=18)
74.0%
37.0 / 50
100.0%
−11
–   Spark 1.0 64-bit 4CPU3027+8
−8
(−179)38 − 12
(+29−3=18)
76.0%
38.0 / 50
100.0%
−4
–   Deep Junior Yokohama 64-bit 4CPU3026+17
−17
(−180)37.5 − 12.5
(+28−3=19)
75.0%
37.5 / 50
100.0%
−14
–   Deep Junior 12.5 64-bit 4CPU3014+16
−16
(−192)37.5 − 12.5
(+29−4=17)
75.0%
37.5 / 50
100.0%
−22
–   Deep Junior 13 64-bit 4CPU3012+18
−18
(−194)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
+36
–   Hiarcs 13.1 4CPU3010+12
−12
(−196)37 − 13
(+26−2=22)
74.0%
37.0 / 50
100.0%
−44
–   Komodo 1.3 64-bit2994+12
−12
(−212)39 − 11
(+31−3=16)
78.0%
39.0 / 50
100.0%
−16
–   Deep Junior 12 64-bit 4CPU2990+16
−16
(−216)40 − 10
(+33−3=14)
80.0%
40.0 / 50
100.0%
0
–   Fritz 132986+10
−10
(−220)41 − 9
(+34−2=14)
82.0%
41.0 / 50
100.0%
+12
–   Zappa Mexico II 64-bit 4CPU2973+7
−7
(−233)48.5 − 11.5
(+39−2=19)
80.8%
48.5 / 60
100.0%
−15
–   Protector 1.4.0 64-bit 4CPU2972+13
−13
(−234)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+68
–   Onno 1.2.70 64-bit 4CPU2956+12
−13
(−250)41.5 − 7.5
(+34−0=15)
84.7%
41.5 / 49
100.0%
−1
–   Thinker 5.4c Inert 64-bit 4CPU2954+9
−9
(−252)42 − 8
(+34−0=16)
84.0%
42.0 / 50
100.0%
−11
–   Gull 1.1 64-bit2944+12
−13
(−262)42 − 8
(+36−2=12)
84.0%
42.0 / 50
100.0%
−2
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8
(−265)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+12
–   Tucano 7.05 64-bit 4CPU2939+30
−30
(−267)41 − 7
(+36−2=10)
85.4%
41.0 / 48
100.0%
+11
–   Toga II 3.0 4CPU2931+17
−17
(−275)41.5 − 8.5
(+34−1=15)
83.0%
41.5 / 50
100.0%
−38
–   Deep Sjeng 3.0 64-bit 4CPU2931+9
−9
(−275)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+2
–   Toga II 1.4 beta5c 4CPU2905+9
−9
(−301)45.5 − 4.5
(+42−1=7)
91.0%
45.5 / 50
100.0%
+64

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Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on May 15, 2021