CCRL Blitz
Downloads and Statistics
May 23, 2020
Testing summary:
Total: 2'287'484 games
played by 2'678 programs

White wins: 881'800 (38.5%)
Black wins: 709'870 (31.0%)
Draws: 695'814 (30.4%)
White score: 53.8%

Engine Details

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Show each game results
Rybka 4.1 64-bit 4CPU#34  (3205+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 4CPU3471+18
−17
(+266)9 − 51
(+0−42=18)
15.0%
9.0 / 60
0.0%
+12
–   Stockfish 160716 64-bit 4CPU3453+13
−13
(+248)18 − 86
(+1−69=34)
17.3%
18.0 / 104
0.0%
+17
–   Stockfish 200516 64-bit 4CPU3440+18
−18
(+235)14 − 60
(+2−48=24)
18.9%
14.0 / 74
0.0%
+17
–   Komodo 10 64-bit 4CPU3428+15
−14
(+223)17 − 65
(+2−50=30)
20.7%
17.0 / 82
0.0%
+25
–   Stockfish 7 64-bit 4CPU3426+20
−19
(+221)12 − 40
(+1−29=22)
23.1%
12.0 / 52
0.0%
+48
–   Komodo 10.1 64-bit 4CPU3425+18
−18
(+220)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−115
–   Stockfish 251115 64-bit 4CPU3419+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
(+206)14.5 − 67.5
(+2−55=25)
17.7%
14.5 / 82
0.0%
−25
–   Komodo 9.3 64-bit 4CPU3405+19
−18
(+200)17 − 67
(+3−53=28)
20.2%
17.0 / 84
0.0%
−6
–   Komodo 9.42 64-bit 4CPU3401+17
−17
(+196)23 − 81
(+5−63=36)
22.1%
23.0 / 104
0.0%
+6
–   Stockfish 6 64-bit 4CPU3392+15
−15
(+187)22.5 − 77.5
(+3−58=39)
22.5%
22.5 / 100
0.0%
+5
–   Komodo 9 64-bit 4CPU3381+16
−16
(+176)33 − 97
(+5−69=56)
25.4%
33.0 / 130
0.0%
+20
–   Komodo 9.1 64-bit 4CPU3381+18
−18
(+176)27.5 − 72.5
(+4−49=47)
27.5%
27.5 / 100
0.0%
+38
–   Stockfish 5 64-bit 4CPU3365+16
−16
(+160)31 − 99
(+8−76=46)
23.8%
31.0 / 130
0.0%
−15
–   Komodo 8 64-bit 4CPU3352+16
−16
(+147)25 − 75
(+6−56=38)
25.0%
25.0 / 100
0.0%
−17
–   Andscacs 0.95 64-bit 4CPU3335+11
−11
(+130)12 − 26
(+3−17=18)
31.6%
12.0 / 38
0.0%
+15
–   Houdini 4 64-bit 4CPU3331+9
−9
(+126)15 − 35
(+5−25=20)
30.0%
15.0 / 50
0.0%
−2
–   Komodo 7a 64-bit 4CPU3320+16
−16
(+115)30.5 − 69.5
(+11−50=39)
30.5%
30.5 / 100
0.0%
−10
–   Houdini 3 64-bit 4CPU3319+14
−14
(+114)19 − 31
(+9−21=20)
38.0%
19.0 / 50
0.0%
+41
–   Stockfish 6 64-bit3317+11
−11
(+112)10.5 − 21.5
(+0−11=21)
32.8%
10.5 / 32
0.0%
+18
–   Stockfish DD 64-bit 4CPU3309+15
−15
(+104)12 − 38
(+4−30=16)
24.0%
12.0 / 50
0.0%
−75
–   RofChade 2.1 64-bit 4CPU3307+20
−20
(+102)9 − 20
(+3−14=12)
31.0%
9.0 / 29
0.0%
−18
–   RubiChess 1.6.1.1 64-bit 4CPU3290+15
−15
(+85)27 − 55
(+11−39=32)
32.9%
27.0 / 82
0.0%
−26
–   Defenchess 2.1 64-bit 4CPU3287+19
−19
(+82)10.5 − 19.5
(+1−10=19)
35.0%
10.5 / 30
0.0%
0
–   Komodo TCEC 64-bit 4CPU3286+16
−16
(+81)57 − 90
(+23−56=68)
38.8%
57.0 / 147
0.0%
+11
–   Schooner 2.1 64-bit 4CPU3285+17
−17
(+80)12 − 21
(+3−12=18)
36.4%
12.0 / 33
0.0%
+1
–   Houdini 2.0c 64-bit 4CPU3277+12
−12
(+72)56.5 − 93.5
(+24−61=65)
37.7%
56.5 / 150
0.0%
−5
–   Schooner 2.0.34 64-bit 4CPU3274+16
−16
(+69)16 − 28
(+5−17=22)
36.4%
16.0 / 44
0.0%
−12
–   Schooner 2.2 64-bit 4CPU3274+11
−11
(+69)39 − 61
(+12−34=54)
39.0%
39.0 / 100
0.0%
+4
–   Laser 1.6 64-bit 4CPU3274+17
−17
(+69)22 − 29
(+8−15=28)
43.1%
22.0 / 51
0.0%
+30
–   Stockfish 4 64-bit 4CPU3269+17
−17
(+64)16.5 − 33.5
(+6−23=21)
33.0%
16.5 / 50
0.0%
−43
–   Houdini 1.5a 64-bit 4CPU3264+16
−16
(+59)21 − 29
(+9−17=24)
42.0%
21.0 / 50
0.0%
+9
–   Gull 3 64-bit 4CPU3259+9
−9
(+54)16 − 31
(+6−21=20)
34.0%
16.0 / 47
0.0%
−46
–   Gull 2.8b 64-bit 4CPU3257+21
−21
(+52)22 − 28
(+8−14=28)
44.0%
22.0 / 50
0.0%
+16
–   Fire 4 64-bit 4CPU3255+10
−10
(+50)35 − 45
(+11−21=48)
43.8%
35.0 / 80
0.0%
+12
–   Pedone 2.0 64-bit 4CPU3254+14
−14
(+49)38.5 − 60.5
(+16−38=45)
38.9%
38.5 / 99
0.0%
−19
–   Komodo 6 64-bit 4CPU3251+19
−19
(+46)22 − 28
(+9−15=26)
44.0%
22.0 / 50
0.0%
+10
–   Equinox 3.30 64-bit 4CPU3251+8
−8
(+46)40 − 60
(+7−27=66)
40.0%
40.0 / 100
0.0%
−8
–   Fizbo 1.8 64-bit 4CPU3246+14
−14
(+41)17.5 − 34.5
(+5−22=25)
33.7%
17.5 / 52
0.0%
−58
–   Arasan 21.3 64-bit 4CPU3244+24
−24
(+39)12 − 12
(+6−6=12)
50.0%
12.0 / 24
0.2%
+39
–   Gull 2.3 64-bit 4CPU3244+17
−17
(+39)21 − 29
(+10−18=22)
42.0%
21.0 / 50
0.0%
−12
–   Houdini 4 64-bit3240+9
−9
(+35)18 − 32
(+8−22=20)
36.0%
18.0 / 50
0.0%
−55
–   Komodo 5.1 64-bit 4CPU3238+15
−15
(+33)27 − 34
(+11−18=32)
44.3%
27.0 / 61
0.0%
0
–   Andscacs 0.872 64-bit 4CPU3237+17
−17
(+32)25 − 27
(+13−15=24)
48.1%
25.0 / 52
0.0%
+20
–   Stockfish 3 64-bit 4CPU3236+19
−19
(+31)27.5 − 35.5
(+12−20=31)
43.7%
27.5 / 63
0.1%
−7
–   Komodo 8 64-bit3235+13
−13
(+30)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.0%
−34
–   RofChade 2.0 64-bit 4CPU3234+17
−17
(+29)19 − 21
(+8−10=22)
47.5%
19.0 / 40
0.1%
+15
–   Critter 1.6a 64-bit 4CPU3232+7
−7
(+27)54 − 60
(+26−32=56)
47.4%
54.0 / 114
0.0%
+12
–   Vajolet2 2.8 64-bit 4CPU3228+12
−12
(+23)48 − 58
(+26−36=44)
45.3%
48.0 / 106
0.1%
−3
–   Hannibal 1.7 64-bit 4CPU3224+10
−9
(+19)24 − 28
(+12−16=24)
46.2%
24.0 / 52
0.1%
−6
–   Gull 2.2 64-bit 4CPU3223+20
−20
(+18)20.5 − 29.5
(+9−18=23)
41.0%
20.5 / 50
4.6%
−38
–   Fritz 15 64-bit 4CPU3222+10
−10
(+17)37 − 35
(+13−11=48)
51.4%
37.0 / 72
0.3%
+24
–   Stockfish 2.3.1 64-bit 4CPU3220+18
−18
(+15)50 − 54
(+22−26=56)
48.1%
50.0 / 104
6.5%
+2
–   Andscacs 0.86 64-bit 4CPU3220+17
−17
(+15)24 − 28
(+13−17=22)
46.2%
24.0 / 52
5.4%
−8
–   Fire 3.0 64-bit 4CPU3215+17
−17
(+10)31.5 − 48.5
(+13−30=37)
39.4%
31.5 / 80
15.0%
−55
–   Demolito 2020-04-10 64-bit 4CPU3214+15
−15
(+9)45.5 − 53.5
(+26−34=39)
46.0%
45.5 / 99
14.3%
−18
–   NirvanaChess 2.3 64-bit 4CPU3210+13
−14
(+5)24 − 28
(+6−10=36)
46.2%
24.0 / 52
27.3%
−17
–   Critter 1.2 64-bit 4CPU3208+17
−16
(+3)23 − 26
(+10−13=26)
46.9%
23.0 / 49
36.8%
−14
–   Komodo 7a 64-bit3205+14
−14
(0)47 − 53
(+23−29=48)
47.0%
47.0 / 100
52.4%
−16
–   Arasan 21.2 64-bit 4CPU3204+17
−17
(−1)42 − 43
(+16−17=52)
49.4%
42.0 / 85
55.4%
−5
–   Pedone 1.9 64-bit 4CPU3196+17
−17
(−9)43 − 32
(+23−12=40)
57.3%
43.0 / 75
86.3%
+32
–   BlackMamba 2.0 64-bit 4CPU3195+12
−12
(−10)26 − 24
(+14−12=24)
52.0%
26.0 / 50
93.1%
+1
–   Stockfish 2.1.1 64-bit 4CPU3194+15
−15
(−11)25 − 25
(+13−13=24)
50.0%
25.0 / 50
90.9%
−13
–   Arasan 21.1 64-bit 4CPU3192+17
−17
(−13)24 − 22
(+14−12=20)
52.2%
24.0 / 46
92.7%
0
–   Wasp 3.75 64-bit 4CPU3190+13
−13
(−15)35 − 33
(+15−13=40)
51.5%
35.0 / 68
98.2%
−5
–   Igel 2.4.0 64-bit 4CPU3186+22
−21
(−19)22.5 − 20.5
(+11−9=23)
52.3%
22.5 / 43
95.4%
−5
–   Booot 6.1 64-bit 4CPU3186+15
−15
(−19)18 − 22
(+9−13=18)
45.0%
18.0 / 40
99.1%
−48
–   Vajolet2 2.6.1 64-bit 4CPU3183+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
(−22)28 − 24
(+19−15=18)
53.8%
28.0 / 52
99.7%
+5
–   chess22k 1.14 64-bit 4CPU3182+14
−14
(−23)56.5 − 44.5
(+32−20=49)
55.9%
56.5 / 101
99.8%
+10
–   NirvanaChess 2.2 64-bit 4CPU3181+16
−16
(−24)30 − 22
(+16−8=28)
57.7%
30.0 / 52
99.7%
+18
–   Komodo CCT 64-bit3180+12
−12
(−25)31.5 − 18.5
(+21−8=21)
63.0%
31.5 / 50
100.0%
+55
–   Nemorino 5.00 64-bit 4CPU3176+11
−11
(−29)29 − 23
(+19−13=20)
55.8%
29.0 / 52
100.0%
+9
–   Elektro 1.2 64-bit 4CPU3174+16
−16
(−31)30.5 − 21.5
(+16−7=29)
58.7%
30.5 / 52
100.0%
+16
–   iCE 4.0 64-bit 4CPU3171+13
−13
(−34)47 − 23
(+33−9=28)
67.1%
47.0 / 70
100.0%
+75
–   Houdini 1.5a 64-bit3170+11
−11
(−35)32 − 18
(+19−5=26)
64.0%
32.0 / 50
100.0%
+45
–   ChessBrainVB 3.74 4CPU3170+15
−15
(−35)41.5 − 35.5
(+23−17=37)
53.9%
41.5 / 77
100.0%
−11
–   Hannibal 1.5 64-bit 4CPU3168+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+14
−14
(−38)27.5 − 22.5
(+12−7=31)
55.0%
27.5 / 50
100.0%
−7
–   Pedone 1.8 64-bit 4CPU3158+18
−18
(−47)21.5 − 23.5
(+10−12=23)
47.8%
21.5 / 45
100.0%
−59
–   Texel 1.06 64-bit 4CPU3157+15
−14
(−48)31.5 − 20.5
(+20−9=23)
60.6%
31.5 / 52
100.0%
+16
–   Critter 1.01 64-bit 4CPU3156+16
−16
(−49)25.5 − 24.5
(+11−10=29)
51.0%
25.5 / 50
100.0%
−43
–   Wasp 3.60 64-bit 4CPU3155+18
−18
(−50)41.5 − 33.5
(+19−11=45)
55.3%
41.5 / 75
100.0%
−19
–   Naum 4.6 64-bit 4CPU3149+10
−10
(−56)17.5 − 13.5
(+9−5=17)
56.5%
17.5 / 31
100.0%
−19
–   Chiron 3.01 64-bit 4CPU3144+15
−15
(−61)36.5 − 15.5
(+25−4=23)
70.2%
36.5 / 52
100.0%
+63
–   Minic 2.0 64-bit 4CPU3136+13
−13
(−69)88.5 − 46.5
(+61−19=55)
65.6%
88.5 / 135
100.0%
+28
–   Protector 1.9.0 64-bit 4CPU3128+9
−9
(−77)35 − 17
(+22−4=26)
67.3%
35.0 / 52
100.0%
+26
–   Komodo 4 64-bit3126+11
−11
(−79)32 − 18
(+21−7=22)
64.0%
32.0 / 50
100.0%
+8
–   Chiron 2 64-bit 4CPU3119+15
−15
(−86)32 − 17
(+23−8=18)
65.3%
32.0 / 49
100.0%
+16
–   Hannibal 1.4b 64-bit 4CPU3117+14
−14
(−88)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−28
–   Komodo 3 64-bit3108+10
−10
(−97)33.5 − 16.5
(+25−8=17)
67.0%
33.5 / 50
100.0%
+17
–   Hiarcs 14 4CPU3107+12
−12
(−98)33 − 17
(+24−8=18)
66.0%
33.0 / 50
100.0%
+7
–   Naum 4.2 64-bit 4CPU3098+8
−8
(−107)34.5 − 15.5
(+26−7=17)
69.0%
34.5 / 50
100.0%
+23
–   Senpai 1.0 64-bit 4CPU3096+16
−17
(−109)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
+20
–   Chiron 1.5 64-bit 4CPU3094+20
−21
(−111)40 − 12
(+30−2=20)
76.9%
40.0 / 52
100.0%
+65
–   Pedone 1.5 64-bit 4CPU3092+16
−16
(−113)23 − 11
(+17−5=12)
67.6%
23.0 / 34
100.0%
+3
–   Protector 1.5.0 64-bit 4CPU3086+14
−15
(−119)41 − 19
(+28−6=26)
68.3%
41.0 / 60
100.0%
−4
–   Deep Fritz 13 4CPU3073+17
−17
(−132)36 − 16
(+23−3=26)
69.2%
36.0 / 52
100.0%
−16
–   Bouquet 1.8 64-bit 4CPU3071+17
−17
(−134)36 − 14
(+24−2=24)
72.0%
36.0 / 50
100.0%
0
–   Komodo 2.01 64-bit3071+15
−15
(−134)33.5 − 16.5
(+23−6=21)
67.0%
33.5 / 50
100.0%
−27
–   Komodo 2.03 64-bit3071+13
−13
(−134)36 − 14
(+25−3=22)
72.0%
36.0 / 50
100.0%
+5
–   Vajolet2 2.2 64-bit 4CPU3067+18
−18
(−138)40.5 − 11.5
(+31−2=19)
77.9%
40.5 / 52
100.0%
+49
–   Hannibal 1.3 64-bit 4CPU3066+20
−21
(−139)41 − 19
(+31−9=20)
68.3%
41.0 / 60
100.0%
−15
–   Chiron 1.1a 64-bit 4CPU3063+16
−16
(−142)42.5 − 19.5
(+28−5=29)
68.5%
42.5 / 62
100.0%
−29
–   Rodent IV 022 64-bit 4CPU3044+11
−11
(−161)51 − 18
(+39−6=24)
73.9%
51.0 / 69
100.0%
0
–   Deep Shredder 12 64-bit 4CPU3041+7
−7
(−164)35 − 15
(+27−7=16)
70.0%
35.0 / 50
100.0%
−27
–   Spike 1.4 Leiden 4CPU3039+8
−8
(−166)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+18
–   Hiarcs 13.2 4CPU3033+13
−13
(−172)37 − 13
(+28−4=18)
74.0%
37.0 / 50
100.0%
−11
–   Spark 1.0 64-bit 4CPU3026+8
−8
(−179)38 − 12
(+29−3=18)
76.0%
38.0 / 50
100.0%
−4
–   Deep Junior Yokohama 64-bit 4CPU3025+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+15
−15
(−191)37.5 − 12.5
(+29−4=17)
75.0%
37.5 / 50
100.0%
−21
–   Deep Junior 13 64-bit 4CPU3012+18
−18
(−193)40.5 − 9.5
(+34−3=13)
81.0%
40.5 / 50
100.0%
+37
–   Hiarcs 13.1 4CPU3009+12
−12
(−196)37 − 13
(+26−2=22)
74.0%
37.0 / 50
100.0%
−44
–   Komodo 1.3 64-bit2993+12
−12
(−212)39 − 11
(+31−3=16)
78.0%
39.0 / 50
100.0%
−16
–   Deep Junior 12 64-bit 4CPU2989+16
−16
(−216)40 − 10
(+33−3=14)
80.0%
40.0 / 50
100.0%
0
–   Fritz 132985+10
−10
(−220)41 − 9
(+34−2=14)
82.0%
41.0 / 50
100.0%
+12
–   Protector 1.4.0 64-bit 4CPU2972+13
−13
(−233)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+69
–   Zappa Mexico II 64-bit 4CPU2972+7
−7
(−233)48.5 − 11.5
(+39−2=19)
80.8%
48.5 / 60
100.0%
−15
–   Onno 1.2.70 64-bit 4CPU2955+12
−12
(−250)41.5 − 7.5
(+34−0=15)
84.7%
41.5 / 49
100.0%
−1
–   Thinker 5.4c Inert 64-bit 4CPU2953+9
−9
(−252)42 − 8
(+34−0=16)
84.0%
42.0 / 50
100.0%
−11
–   Gull 1.1 64-bit2943+13
−13
(−262)42 − 8
(+36−2=12)
84.0%
42.0 / 50
100.0%
−2
–   Deep Sjeng WC2008 64-bit 4CPU2940+8
−8
(−265)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+12
–   Tucano 7.05 64-bit 4CPU2937+30
−30
(−268)41 − 7
(+36−2=10)
85.4%
41.0 / 48
100.0%
+10
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9
(−275)43 − 7
(+37−1=12)
86.0%
43.0 / 50
100.0%
+2
–   Toga II 3.0 4CPU2930+17
−17
(−275)41.5 − 8.5
(+34−1=15)
83.0%
41.5 / 50
100.0%
−38
–   Toga II 1.4 beta5c 4CPU2904+9
−8
(−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 23, 2020