CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Engine Details

Options
Show each game results
Rybka 4 64-bit 4CPU (3198+11
−11		)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
–   Houdini 5.01 64-bit 4CPU3476+16
−16		(+278)7 − 45
(+1−39=12)
13.5%
7.0 / 52
0.0%
−6
= 1 0 = 0 = 0 0 0 0 0 0 0 0 = = 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 0 0 0 0 = 0 0 = = 0 0 0 0 0 0 0 0 0 = 0 =
–   Komodo 11.01 64-bit 4CPU3467+19
−19		(+269)7.5 − 52.5
(+0−45=15)
12.5%
7.5 / 60
0.0%
−19
0 = 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 0 = = = = = = 0 0 0 0 = 0 0 0 = = 0 0 0 = 0 0 0 = 0 0 0 0 0 = 0 0 0 0
–   Komodo 10.2 64-bit 4CPU3434+18
−18		(+236)8.5 − 43.5
(+0−35=17)
16.3%
8.5 / 52
0.0%
0
0 0 0 = 0 0 = = = 0 0 0 0 0 0 = 0 0 = 0 = 0 0 0 0 = 0 0 = 0 0 0 = = 0 0 0 = 0 = 0 0 = 0 0 0 = 0 = 0 0 =
–   Fire 5 64-bit 4CPU3335+15
−15		(+137)16.5 − 35.5
(+5−24=23)
31.7%
16.5 / 52
0.0%
+24
= 0 = = = 0 0 = 1 0 = 0 0 = = 0 0 0 = 0 0 = = = 0 = 0 = = 1 = = = 0 0 = = 1 1 = 0 0 0 0 0 = 0 1 = 0 0 0
–   Deep Shredder 13 64-bit 4CPU3323+11
−11		(+125)18 − 34
(+2−18=32)
34.6%
18.0 / 52
0.0%
+37
= = 0 0 = = = 0 = = = = = 0 0 = 0 = = = 0 = 0 = 0 = = = = 0 = = 0 = 0 0 = = 1 = 0 0 0 = = = 1 = 0 0 = =
–   Houdini 3 64-bit 4CPU3320+14
−14		(+122)12 − 38
(+2−28=20)
24.0%
12.0 / 50
0.0%
−46
= 0 = 0 = 0 0 0 0 0 0 0 = 0 1 = = = 0 0 = 0 1 = = = 0 0 0 0 0 = = 0 0 0 = = = 0 0 = 0 0 0 = = = 0 0
–   Fizbo 1.9 64-bit 4CPU3319+14
−14		(+121)19 − 33
(+8−22=22)
36.5%
19.0 / 52
0.0%
+37
= 1 = 1 0 = 0 0 = 0 = = 0 1 1 0 0 0 0 = 0 = 0 = 0 0 0 = = 1 = 1 0 = = = 0 = 0 1 0 = = 0 1 = 0 = = 0 = 0
–   Houdini 2.0c 64-bit 4CPU3278+12
−12		(+80)24.5 − 25.5
(+12−13=25)
49.0%
24.5 / 50
0.0%
+72
= = 0 = 0 = 1 0 0 1 = = = 1 = 1 0 0 0 0 1 1 = = = = = 1 1 1 = 0 = 1 = = 1 0 = 0 1 = = = = 0 0 = = =
–   Andscacs 0.91 64-bit 4CPU3275+16
−16		(+77)21.5 − 38.5
(+8−25=27)
35.8%
21.5 / 60
0.0%
−10
= = 0 = 0 0 = = = = = 0 = 0 0 1 = 0 0 = 0 0 0 = 0 = 0 = = = 1 0 0 1 0 = = 1 = 0 = = 0 = = 1 0 = 0 = 1 0 0 = = 0 1 0 0 1
–   Andscacs 0.90 64-bit 4CPU3273+18
−18		(+75)20.5 − 31.5
(+6−17=29)
39.4%
20.5 / 52
0.0%
+14
= = = = 0 = 0 0 = 0 = = = 1 0 0 = 0 1 = = 0 = = = = 1 0 1 = 0 = 0 = 1 = 0 1 0 = 0 = = = = 0 = 0 = 0 = =
–   Houdini 1.5a 64-bit 4CPU3265+16
−16		(+67)18.5 − 31.5
(+7−20=23)
37.0%
18.5 / 50
0.0%
−14
= 0 0 0 = = = = = 0 1 = = 0 = 0 = 1 0 0 0 0 = = = = 0 0 0 1 1 0 = = = 0 = 1 = = 1 = = 0 0 = 1 0 0 0
–   Andscacs 0.88 64-bit 4CPU3259+17
−17		(+61)26 − 26
(+12−12=28)
50.0%
26.0 / 52
0.0%
+61
= 1 = 0 = 0 = 1 = = = 1 = 0 0 1 = = 0 1 1 1 = = 0 1 0 = 0 = = = 0 = 1 = = 1 0 = = = = = 1 0 1 = = = 0 =
–   Booot 6.2 64-bit 4CPU3256+13
−13		(+58)25 − 35
(+6−16=38)
41.7%
25.0 / 60
0.0%
+13
= = = = 0 = 0 = = = = = = 1 = 0 = = 0 = = = = = 0 0 0 = = = = 1 1 = 0 0 = = = 0 0 0 = 0 = = 0 1 = 0 = 1 = 1 0 = = = = =
–   Equinox 3.30 64-bit 4CPU3252+7
−8		(+54)9 − 10
(+3−4=12)		47.4%
9.0 / 19
0.0%
+40
= = 1 1 = 0 1 0 = = = 0 = = = = 0 = =
–   Chiron 4 64-bit 4CPU3243+8
−8		(+45)22 − 30
(+7−15=30)
42.3%
22.0 / 52
0.0%
+1
= = = = = = 0 = 0 1 0 0 0 = = 0 0 0 1 = 1 = = = = = = 1 0 = = 0 = 0 = = 1 0 0 = = 0 0 = = 1 = 1 = = = =
–   Fritz 16 64-bit 4CPU3226+16
−16		(+28)26 − 34
(+6−14=40)
43.3%
26.0 / 60
0.2%
−7
0 = = = 0 0 = = 0 1 = 1 = = = = = 1 0 = = = = = = 0 0 1 = = = = 0 0 1 = 1 0 = = 0 = = = = 0 = = = = = = = 0 0 = = = = =
–   Critter 1.2 64-bit 4CPU3209+16
−16		(+11)23 − 26
(+8−11=30)
46.9%
23.0 / 49
13.3%
−6
= 0 0 = = = = 0 0 = = = = = 1 1 = = = 0 = = 1 = = = 1 0 0 1 = = = = 1 = = = = 0 = 0 = 0 = = 1 0 1
–   Stockfish 2.1.1 64-bit 4CPU3195+15
−15		(−3)24 − 26
(+10−12=28)
48.0%
24.0 / 50
64.8%
−13
1 0 = = = = = = = 0 0 = = = 1 0 1 = 1 0 1 0 1 = 1 0 = = = = 1 = 0 1 0 0 = = 1 = = = = 0 = = = = = 0
–   Houdini 1.5a 64-bit3170+11
−11		(−28)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
+31
1 0 = = 1 = = 0 = = = 1 = 1 = = 1 = = 1 = 1 0 0 = = = = 1 1 = 1 1 = 1 0 = 1 0 1 1 = 1 0 1 = = 1 0 =
–   Rybka 3 64-bit 4CPU3167+9
−10		(−31)29.5 − 20.5
(+13−4=33)
59.0%
29.5 / 50
100.0%
+16
1 = = = 1 1 = = 1 = = 1 = = = = 0 0 = = = = = 0 = 1 = 1 = = = 1 = 0 1 1 1 = 1 = = = = = = 1 = = = =
–   Stockfish 2.0.1 64-bit 4CPU3167+14
−14		(−31)28.5 − 21.5
(+16−9=25)
57.0%
28.5 / 50
100.0%
+11
= = 0 = = 1 1 = = 1 1 = = = 1 1 0 = = 1 = 1 0 0 = = = 1 0 1 = = = 1 = = = = 0 1 0 1 1 0 = 1 0 = = 1
–   Stockfish 1.9.1 64-bit 4CPU3153+13
−12		(−45)57.5 − 42.5
(+31−16=53)
57.5%
57.5 / 100
100.0%
−2
0 1 = 1 1 1 = 1 0 = = 1 1 = = = = 1 1 0 = 1 = = = = = = 1 1 = 1 1 = = 0 1 = = 1 = = 1 1 = = 0 = 1 = 1 = = = 0 1 = = 0 = = = 0 = 0 = 0 = 1 = = = = 1 1 1 1 = 0 0 1 = = = = 1 = 1 = 1 0 = = = 0 1 0 = 0 =
–   Stockfish 1.7.1 64-bit 4CPU3141+13
−13		(−57)58.5 − 42.5
(+36−20=45)
57.9%
58.5 / 101
100.0%
−7
1 = = 0 1 = 0 0 1 = 1 = = = = = 1 0 0 = 1 = 1 0 = = 0 1 = = 0 = 1 = = 0 1 1 = 0 1 = 1 = 0 1 1 1 = 1 1 1 1 = = = 1 1 1 1 = = 1 = 1 0 1 0 = = = = 1 1 1 0 0 = 0 1 0 = 0 = = = = = = 1 0 = 1 = = 1 1 1 = = 0
–   Stockfish 1.8 64-bit 4CPU3138+16
−16		(−60)36.5 − 13.5
(+27−4=19)
73.0%
36.5 / 50
100.0%
+89
= = = 1 1 1 = 1 1 1 1 = 1 1 1 0 1 1 = = = 1 1 1 0 1 0 = 1 1 0 = = 1 = = = = 1 1 1 1 = = 1 = 1 1 1 =
–   Protector 1.9.0 64-bit 4CPU3130+9
−9		(−68)18 − 22
(+10−14=16)
45.0%
18.0 / 40
100.0%
−97
0 0 0 0 0 1 0 0 = = = = = 1 0 1 = = = = 0 1 = 0 1 1 0 0 0 1 = = 0 = = 1 = 1 = 1
–   Critter 0.90 64-bit 4CPU3128+15
−15		(−70)62 − 39
(+39−16=46)
61.4%
62.0 / 101
100.0%
+1
= 1 = 0 1 = 1 = 0 = 1 = = = = 0 = = = 1 1 = 0 1 0 1 = 1 = 0 1 = = = 1 1 1 = 0 1 1 = = 1 = 1 = 1 1 0 1 = 1 = 1 = 1 1 0 1 1 = = 0 = 0 = = 1 0 1 1 = = = 1 1 = 1 = 1 = 1 0 = = 0 0 = = 0 1 = = 1 = 1 = 1 = 1
–   Komodo 3 64-bit3109+10
−10		(−89)35.5 − 14.5
(+25−4=21)
71.0%
35.5 / 50
100.0%
+44
1 = 1 = 1 = 1 = = = 1 = 0 1 1 = = 1 1 = = 1 = 1 = 0 1 = = = 1 0 = 1 1 1 1 1 1 1 = 0 1 1 1 = 1 = = 1
–   Naum 4.2 64-bit 4CPU3099+8
−8		(−99)67 − 34
(+40−7=54)
66.3%
67.0 / 101
100.0%
−2
= 1 = 0 = 1 = 1 = 1 1 = = = 1 0 1 = 1 = = 1 = 0 1 = = 1 = 1 = 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 = = = 1 = = = 1 = = = = 1 = 1 = = = = = = 1 0 1 1 = = = 0 1 = = 1 = = = = 1 = 1 = 1 0 1 = = 1 = = 1 0 = 1 1 =
–   Komodo 2.01 64-bit3072+15
−15		(−126)35 − 15
(+23−3=24)
70.0%
35.0 / 50
100.0%
−4
1 1 = 1 1 1 = = 1 0 1 = 1 = = 1 1 1 = 1 0 = = 1 1 = = = = = 1 1 1 = = = 1 1 1 = = 1 1 0 = = = 1 = =
–   Komodo 2.03 64-bit3071+13
−14		(−127)34.5 − 15.5
(+23−4=23)
69.0%
34.5 / 50
100.0%
−9
1 1 1 = 1 = 1 = 1 = = = 1 = = = = = 1 = = 0 1 1 1 1 1 0 1 = = 1 1 1 = 1 1 = = 1 0 = = 0 1 1 1 = = =
–   Critter 0.80 64-bit 4CPU3070+17
−17		(−128)33 − 17
(+20−4=26)
66.0%
33.0 / 50
100.0%
−30
1 1 = 1 = 1 1 = = 1 = 1 1 1 = = 1 1 = 1 0 = = 0 = 1 = 1 = = = 0 = 1 = 1 0 1 = 1 = = = = = = = = 1 1
–   Rodent III 0.232 64-bit 4CPU3048+19
−19		(−150)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
−8
= 1 1 1 0 1 1 1 0 1 = 1 = 1 0 = 0 1 1 1 = = 0 1 = 1 1 1 1 =
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−156)78.5 − 22.5
(+62−6=33)
77.7%
78.5 / 101
100.0%
+35
1 1 1 0 1 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 = = = = = 1 1 1 = = 1 1 1 0 1 1 1 = = 0 0 1 = 1 = = 1 1 1 = 1 1 1 1 = 1 1 1 = 1 1 1 1 = 1 1 = 1 1 = = 1 = 1 1 1 = = = 0 1 = 1 1 = 1 0 1 = = = 1 1 1 = 1 = 1 1 1
–   Spike 1.4 Leiden 4CPU3040+8
−8		(−158)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
−29
0 1 1 = = 1 = 1 1 1 1 0 0 1 0 1 0 = = 1 1 = = 1 = 1 1 = = = = = = 1 1 = = 1 = = 1 = 1 1 = 1 1 1 1 1
–   Critter 0.70 64-bit 4CPU3037+24
−24		(−161)25.5 − 9.5
(+19−3=13)
72.9%
25.5 / 35
100.0%
−9
= 1 1 1 = 1 1 = = 1 1 = 0 = = = 1 = 1 1 0 1 1 = 1 1 1 = 1 1 1 0 1 = =
–   Hiarcs 13.2 4CPU3034+13
−13		(−164)33.5 − 16.5
(+26−9=15)
67.0%
33.5 / 50
100.0%
−47
1 = 1 1 0 1 = = 1 1 = 1 1 1 0 = = 1 1 1 0 1 0 = 1 1 = 1 = 1 1 1 = = = 0 0 1 1 1 0 1 0 1 1 = = 0 1 =
–   Deep Fritz 12 4CPU3031+24
−24		(−167)38 − 13
(+28−3=20)
74.5%
38.0 / 51
100.0%
−9
1 = 1 = = = = 1 1 = 1 1 = = 1 1 1 1 = = 1 1 1 1 1 = = 0 = 1 1 1 1 1 = 1 1 1 1 = = = 1 1 = 0 = 0 1 = 1
–   Spark 1.0 64-bit 4CPU3027+8
−8		(−171)80.5 − 19.5
(+64−3=33)
80.5%
80.5 / 100
100.0%
+39
= = 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 = 1 0 1 1 = 1 1 = 1 = 1 1 1 1 1 1 = 1 1 = 0 = 1 1 1 = = = = 1 1 = 1 0 1 1 = = 1 = = = 1 1 1 1 1 1 = 1 1 1 = 1 = 1 = 1 1 1 1 1 1 1 = = = 1 1 1 = 1 = = = 1 1 1 = 1 1
–   Deep Junior 12.5 64-bit 4CPU3014+16
−16		(−184)39.5 − 10.5
(+31−2=17)
79.0%
39.5 / 50
100.0%
+15
1 1 1 1 1 1 = = 1 = 1 0 1 = 1 = 1 1 1 = 1 1 = 0 1 = = 1 1 1 = = 1 = 1 1 1 = 1 1 1 1 1 = = = = 1 1 1
–   Hiarcs 13.1 4CPU3010+12
−12		(−188)77 − 23
(+58−4=38)
77.0%
77.0 / 100
100.0%
−9
= 1 = = = 1 1 = = 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 1 1 1 = 1 1 = 1 = 1 1 1 1 1 1 = 1 = 1 = 1 = = = 1 = = = 1 0 = = 1 = = = = 1 1 = 1 1 1 1 0 = 0 1 = 1 = 1 1 0 1 1 1 1 1 = = 1 = = =
–   Spark 0.5 64-bit 4CPU3000+15
−15		(−198)38.5 − 11.5
(+30−3=17)
77.0%
38.5 / 50
100.0%
−15
0 1 1 = 1 = = 1 1 1 1 1 1 = 1 1 0 1 1 = 1 1 = 1 1 = 1 1 1 1 = = = 1 = = 1 1 1 1 = 0 1 = = = 1 = 1 1
–   Komodo 1.3 64-bit2994+12
−12		(−204)35.5 − 14.5
(+26−5=19)
71.0%
35.5 / 50
100.0%
−64
1 1 = = 1 = 0 1 = 1 1 1 = 1 1 = 1 1 = 1 = 1 1 0 = 1 = 1 1 1 0 0 1 = = 1 1 = = 1 = 1 = 1 0 1 = 1 = =
–   Deep Junior 12 64-bit 4CPU2990+16
−16		(−208)38 − 12
(+31−5=14)
76.0%
38.0 / 50
100.0%
−24
1 1 1 = 1 1 0 = 1 = 1 1 0 1 1 1 = 1 1 = = = = = 1 1 0 1 1 1 = 1 0 1 1 1 1 1 = 1 1 1 = 1 = = 0 1 1 1
–   Spark 0.4 64-bit 4CPU2989+14
−14		(−209)39 − 11
(+33−5=12)
78.0%
39.0 / 50
100.0%
−2
1 1 = 1 = 1 = = 1 1 1 = 1 1 0 1 0 0 1 0 = = 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 = 0 1 1 = 1 1 1 = 1 1 1 1
–   Zappa Mexico II 64-bit 4CPU2973+7
−7		(−225)38.5 − 11.5
(+28−1=21)
77.0%
38.5 / 50
100.0%
−51
= 1 1 1 = = 1 = = 1 = 1 1 = 1 1 1 1 1 = = 1 1 1 1 1 1 1 = 1 = 1 = = 0 = = = = = = 1 1 = 1 1 1 1 = 1
–   Protector 1.4.0 64-bit 4CPU2972+13
−13		(−226)33.5 − 16.5
(+27−10=13)
67.0%
33.5 / 50
100.0%
−106
= 1 0 1 1 = 0 1 0 = = = 0 1 1 1 = = 1 1 0 = 0 1 = 1 1 1 1 1 0 1 1 1 = 1 0 1 = 1 1 1 1 1 = = 0 1 0 1
–   Protector 1.3.5 64-bit 4CPU2963+27
−27		(−235)41.5 − 9.5
(+32−0=19)
81.4%
41.5 / 51
100.0%
−25
1 1 1 1 = 1 = = 1 1 1 1 = = 1 1 = 1 = = 1 = = 1 = 1 1 1 1 1 = = 1 1 1 1 = 1 1 1 = 1 1 1 1 = 1 = 1 = =
–   Onno 1.2.70 64-bit 4CPU2956+12
−12		(−242)41.5 − 8.5
(+35−2=13)
83.0%
41.5 / 50
100.0%
+4
1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 = 1 = = = 0 1 0 1 1 1 1 1 = = = 1 = = 1 1 1 1 1 1 1 1 1 = =
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8		(−244)44.5 − 5.5
(+39−0=11)
89.0%
44.5 / 50
100.0%
+67
1 1 1 1 1 1 1 1 = 1 1 = 1 = = 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 = 1 1 1 1 = 1 1 = 1 1 1 1 = 1
–   Protector 1.3.4 64-bit 4CPU2952+13
−13		(−246)43.5 − 6.5
(+37−0=13)
87.0%
43.5 / 50
100.0%
+33
= = 1 1 1 1 1 = 1 1 = 1 = 1 1 1 1 1 1 1 1 1 = 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 = 1 1 = 1 =
–   Gull 1.1 64-bit2944+13
−13		(−254)43.5 − 6.5
(+37−0=13)
87.0%
43.5 / 50
100.0%
+26
1 1 = 1 1 1 = 1 1 1 = = 1 = 1 1 1 1 = 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1 1 1 = = 1 = 1 1 1 1
–   Deep Junior 11.1a 64-bit 4CPU2943+14
−14		(−255)41 − 9
(+32−0=18)
82.0%
41.0 / 50
100.0%
−37
1 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 1 = = = 1 = 1 1 = 1 = 1 1 1 1 = 1 1 = = = = 1 = 1 = 1 1
–   Hiarcs 12 4CPU2942+9
−9		(−256)42 − 8
(+34−0=16)
84.0%
42.0 / 50
100.0%
−15
= 1 = = 1 = 1 = 1 1 = = = 1 = = 1 1 1 1 = 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = = 1 1 1
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−257)38.5 − 11.5
(+29−2=19)
77.0%
38.5 / 50
100.0%
−77
= = = = 1 = = 1 = 1 = = 1 1 1 1 1 1 1 1 1 1 1 = 1 0 1 = 1 = 1 0 1 = 1 1 1 = 1 = 1 1 1 = = 1 = = 1 1
–   Deep Junior 11.2 64-bit 4CPU2925+17
−17		(−273)40.5 − 9.5
(+35−4=11)
81.0%
40.5 / 50
100.0%
−34
1 1 = 1 = 1 = 1 = = = = 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 = 1 1 0 1 1 1 = 1 1 1 1 1 1 = 1 = 0 1 1
–   Critter 0.60 64-bit 4CPU2912+23
−23		(−286)44 − 5
(+40−1=8)
89.8%
44.0 / 49
100.0%
+53
1 = 1 1 1 0 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 = = 1 1 = 1
3134 games: 1279 wins, 561 losses, 1294 draws (41.3%), score: 61.5%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on February 27, 2021