CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Engine Details

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Rybka 1.0 64-bit (2852+14
−14		)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
–   DiscoCheck 5.2 64-bit2914+12
−12		(+62)12 − 20
(+7−15=10)
37.5%
12.0 / 32
0.0%
−27
0 0 0 = 0 = 0 1 0 = 0 = 1 0 1 = 1 = 1 0 0 = 1 0 = 0 = 1 0 = 0 0
–   Stockfish 1.5.1 64-bit2912+16
−16		(+60)12 − 18
(+8−14=8)
40.0%
12.0 / 30
0.0%
−11
0 0 0 0 = 0 1 0 = 0 0 = 0 = 0 0 1 = 1 0 = 1 = 1 1 1 = 1 0 0
–   Thinker 5.4c Inert 64-bit2883+9
−8		(+31)14 − 16
(+9−11=10)
46.7%
14.0 / 30
0.0%
+10
1 0 0 = 1 = 1 0 = = 1 = 1 0 0 = 0 0 1 0 = = = 1 1 0 = 0 0 1
–   MinkoChess 1.3 64-bit2869+8
−8		(+17)15 − 16
(+11−12=8)
48.4%
15.0 / 31
1.8%
+1
= = 1 0 0 1 1 1 0 = 0 = 0 = 0 = 0 1 0 0 1 1 0 0 1 1 = = 0 1 1
–   Doch 1.2 64-bit2866+19
−19		(+14)14.5 − 15.5
(+6−7=17)
48.3%
14.5 / 30
12.0%
+3
= = = 1 = 1 = = = = 1 = 0 = 0 = = = 0 1 0 0 0 1 1 0 = = = =
–   Hannibal 05_24_10v2 64-bit2858+31
−31		(+6)22 − 13
(+17−8=10)
62.9%
22.0 / 35
36.6%
+94
0 1 1 1 0 1 1 0 1 = 0 = 0 = = = 1 0 1 0 1 1 1 = 1 1 = 1 1 1 0 1 = = =
–   Zappa Mexico II 64-bit2846+6
−7		(−6)15.5 − 14.5
(+10−9=11)
51.7%
15.5 / 30
78.4%
+4
0 = 1 0 1 0 = = 1 = 0 1 0 1 1 0 1 = = = 1 1 = 0 = 0 = 0 = 1
–   Spark 0.3 64-bit2844+10
−10		(−8)17 − 13
(+11−7=12)
56.7%
17.0 / 30
81.5%
+32
= 0 1 1 1 = = = 1 1 1 0 1 0 1 0 = = = 0 = 1 = 1 = = 0 = 0 1
–   Deep Sjeng WC2008 64-bit2843+10
−10		(−9)15 − 15
(+7−7=16)
50.0%
15.0 / 30
85.3%
−5
= 1 = 0 = 0 = 0 = = 1 0 = = 0 0 = = = 1 = 1 1 0 1 = = 1 = =
–   Hiarcs 12.12833+13
−13		(−19)11 − 19
(+5−13=12)
36.7%
11.0 / 30
97.4%
−100
= 0 0 = = 0 = 1 = 1 = 0 1 0 0 1 0 = = 0 0 0 0 0 0 = = = = 1
–   Toga II 1.4.1SE2823+9
−9		(−29)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+46
1 = = 1 0 1 1 0 = = = = = 1 1 1 0 = = 0 0 = = 1 1 1 1 0 1 1
–   Gaviota 0.86 64-bit2799+10
−10		(−53)28 − 12
(+22−6=12)
70.0%
28.0 / 40
100.0%
+88
0 1 1 0 1 1 1 1 1 1 = 1 = 1 0 1 = 1 = = = 1 0 = 1 1 1 0 1 0 = = = 1 = 1 1 1 = 1
–   Rybka 1.0 32-bit2791+13
−13		(−61)44 − 20
(+32−8=24)
68.8%
44.0 / 64
100.0%
+60
1 1 = 1 0 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 = = = 1 1 1 1 = = = 1 0 1 = = 1 0 1 = 1 1 = 0 0 0 = 1 = 1 = = 1 = 1 = 1 0 = 0 = 1 1 = =
–   Strelka 1.8 32-bit2782+13
−13		(−70)41 − 23
(+28−10=26)
64.1%
41.0 / 64
100.0%
+19
1 1 = 1 0 1 = 1 0 1 = = 1 = 1 1 1 0 0 1 = 1 = = = = = 1 0 0 1 = 1 1 = = 1 = = = = 1 1 1 = 1 = = 1 1 = 1 1 = 0 = = = 1 1 0 0 1 0
–   Fruit 2.32782+14
−14		(−70)17.5 − 13.5
(+10−6=15)
56.5%
17.5 / 31
100.0%
−31
1 0 1 0 = = 1 = = = 1 1 0 = = 1 0 = 1 1 0 1 0 = 1 = = = = = =
–   Twisted Logic 20100131x 64-bit2768+10
−10		(−84)27 − 13
(+21−7=12)
67.5%
27.0 / 40
100.0%
+38
= 1 = 1 = 1 1 = = = = 0 = 1 = = 1 1 1 1 = 0 0 1 1 1 1 1 1 1 1 1 1 = 0 0 1 0 0 1
–   Toga II 1.2.1a 32-bit2762+9
−9		(−90)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−5
= 1 0 0 = 1 = = 1 0 1 1 = 1 1 0 1 1 1 = = = 1 0 1 0 1 = 1 = 1 0
–   Glaurung 2.0.1 64-bit2740+11
−11		(−112)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
+19
0 = 1 1 0 1 1 = 0 1 1 1 1 = 0 1 1 1 = 1 = = 1 1 1 1 1 = 0 = 1 0
–   Naum 2.1 32-bit2738+14
−14		(−114)19.5 − 12.5
(+11−4=17)
60.9%
19.5 / 32
100.0%
−48
= = = = = 1 = 0 = 1 0 1 = 1 = = 1 = = 0 0 = 1 = = 1 1 1 1 1 = =
–   Strelka 1.0b 32-bit2738+17
−17		(−114)49.5 − 14.5
(+39−4=21)
77.3%
49.5 / 64
100.0%
+74
1 1 1 0 1 1 = 1 1 = = = = 1 1 = = 1 1 1 1 1 = = 1 0 1 = 1 1 = = = 1 = 1 1 1 = 1 1 1 0 1 = 1 = 1 1 1 1 1 1 1 = = 1 = 0 1 1 1 = 1
–   Spike 1.2 Turin2731+6
−6		(−121)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−49
1 1 0 1 1 0 1 0 1 = = 1 1 1 1 1 0 0 1 1 = = 0 = 0 1 = = = = = =
–   Chess Tiger 2007.12713+7
−7		(−139)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−22
= = 0 0 0 = 1 1 = 1 = 1 1 1 1 = = 1 1 1 1 1 = 0 0 1 = 1 = = 1 1
–   Chess Tiger 20072700+10
−11		(−152)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−17
1 1 1 = 1 1 1 1 = 0 1 = 0 = = 1 1 1 = = 0 1 1 1 = 1 1 = = = 0 1
–   Naum 2.0 32-bit2699+8
−8		(−153)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−29
1 1 1 0 = = = 1 1 = 0 0 1 1 = = 1 = 1 1 1 1 1 = 1 0 1 = = = 1 =
–   Naum 2.0 64-bit2693+11
−11		(−159)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+92
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
–   Bright 0.2c2687+13
−13		(−165)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+116
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
–   Alaric 7072662+6
−7		(−190)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−73
0 = 0 1 1 1 0 1 = 0 0 = = = 1 1 1 1 1 = 1 1 1 = 0 1 1 = 1 = 1 1
–   Glaurung 1.2.1 32-bit2657+9
−10		(−195)25 − 7
(+20−2=10)
78.1%
25.0 / 32
100.0%
0
1 1 1 = 1 1 1 1 = 0 = = 1 = 1 1 0 = = 1 1 = 1 = 1 = 1 1 1 1 1 1
–   Scorpio 2.0 32-bit2655+12
−12		(−197)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−26
= 1 1 1 1 1 0 1 1 1 = 1 = = 1 = 1 = 1 1 1 = = 1 1 = 1 = 0 1 0 1
–   Glaurung 1.2.1 64-bit2655+14
−15		(−197)25 − 7
(+20−2=10)
78.1%
25.0 / 32
100.0%
0
0 1 = 1 1 1 1 = 1 = = 1 1 = 1 1 1 1 = 1 = 1 = 1 0 1 1 1 1 = 1 =
–   Scorpio 1.92641+13
−13		(−211)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−75
1 1 0 1 1 = 1 = = = = = = 1 = 1 1 0 1 1 1 1 0 1 1 1 0 1 = = = 1
–   Scorpio 1.912640+12
−12		(−212)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−38
0 = 1 1 1 1 = = = 1 0 0 = 1 1 1 = 1 1 1 1 = = 1 1 1 1 1 1 = = 1
–   E.T. Chess 13.01.082634+7
−7		(−218)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
−12
1 1 1 = 1 0 1 = 1 = 1 1 1 1 = 1 1 0 1 0 = = 1 1 = 1 1 1 = 1 1 1
–   Alfil 8.1.1 Optimized2625+9
−9		(−227)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
−50
1 0 1 1 1 1 = 1 1 = 1 1 1 = 0 1 1 1 1 1 0 = 1 1 = 0 1 = 1 1 0 =
–   Scorpio 1.82623+15
−15		(−229)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
−39
1 0 1 = 1 0 1 1 = 0 1 = = 1 1 0 1 0 = 1 = 1 1 1 1 1 1 1 1 1 1 1
–   Movei 00.8.438 (10 10 10)2621+7
−7		(−231)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−45
1 1 1 = 1 = 1 = 1 = 1 0 1 = = = 1 1 1 1 1 = 1 1 = 1 = = 1 1
–   Alaric 7042617+15
−15		(−235)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+59
1 1 1 1 1 0 1 = 0 = 1 1 1 1 1 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 = 1
–   Slow Chess Blitz WV2.12614+6
−6		(−238)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−81
1 = 1 1 = 1 1 = 1 = 1 = 1 1 = 0 1 1 1 0 = 1 1 1 = = 1 1 0 = 1 =
–   Delfi 5.12614+12
−12		(−238)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−90
1 0 = 0 0 1 = 1 = 1 = 1 = 1 1 1 1 = 0 1 = 1 = 1 1 1 = 1 1 1 1 =
–   Frenzee 3.0 64-bit2613+14
−14		(−239)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
−20
1 1 1 1 = 0 0 1 = 1 1 = 0 1 1 1 0 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1
–   Colossus 2007d2610+13
−13		(−242)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−78
= = 1 1 = 1 = = 1 1 1 1 1 0 1 = 1 1 = 1 1 = = 1 1 = 1 1 0 = 1 =
–   ProDeo 1.22608+11
−11		(−244)26.5 − 5.5
(+22−1=9)
82.8%
26.5 / 32
100.0%
−3
= 1 1 = 1 1 1 1 1 1 1 1 = 1 1 0 1 1 1 1 = = 1 1 1 1 = 1 = 1 = =
–   ProDeo 1.62608+13
−14		(−244)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+47
0 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
–   Delfi 5.22608+11
−11		(−244)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
−14
1 = 1 1 0 1 1 1 1 = 1 1 1 1 1 1 = = = 1 1 1 1 = 1 = 1 = 1 1 0 1
–   WildCat 72605+10
−10		(−247)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
0
1 1 1 = 1 1 1 = = 1 1 1 1 1 1 1 = 1 1 = 1 = 1 = 1 1 1 = 1 = 1 =
–   Pharaon 3.5.12603+7
−7		(−249)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+52
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
–   Zappa 1.1 64-bit2603+10
−11		(−249)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+33
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
–   List 5.122591+11
−10		(−261)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+27
= = 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 = 1 = 1 1 1 1 1 = 1 = 1 1 1
–   Colossus 2007c2586+15
−15		(−266)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−137
= = 0 = 1 1 1 1 = = = 1 = 1 = 1 1 1 0 0 0 1 1 1 0 1 1 1 = = 1 1
–   Ruffian 1.0.52585+9
−9		(−267)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+20
1 1 1 1 = 1 1 1 1 1 1 = = = 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1 1 = 1
–   Delfi 5.02576+15
−15		(−276)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
−109
1 1 1 1 1 0 = 1 1 = 1 1 = 1 1 = 1 1 0 1 0 = 1 1 = 0 = 1 1 1 = =
–   Pseudo 0.7c2574+8
−8		(−278)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
−59
1 1 1 1 1 0 1 1 1 1 1 = 1 1 0 0 = = 1 1 1 1 1 1 1 = 1 1 1 = = 0
–   SOS 5.12572+7
−7		(−280)28 − 4
(+26−2=4)
87.5%
28.0 / 32
100.0%
+51
1 1 1 1 1 0 = 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 = 1
–   Aristarch 4.502567+7
−7		(−285)30.5 − 1.5
(+29−0=3)
95.3%
30.5 / 32
100.0%
+177
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
–   Petir 4.392564+10
−9		(−288)28 − 4
(+26−2=4)
87.5%
28.0 / 32
100.0%
+41
1 1 1 = 1 1 1 1 0 1 1 1 1 1 1 1 1 1 = = 1 = 1 1 1 1 1 1 1 0 1 1
–   Colossus 2007a2557+16
−16		(−295)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
−6
1 1 1 1 1 = 1 1 = 1 = 1 = = = 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1
–   Crafty 21.5 64-bit2543+13
−13		(−309)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
−9
1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 = 1 0 1 1 = 1 1 =
1919 games: 1079 wins, 268 losses, 572 draws (29.8%), score: 71.1%

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Created in 2005-2013 by CCRL team
Last games added on April 17, 2021