CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 3 64-bit (3048+12
−12		)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
–   Arasan 21.4 64-bit3129+18
−18		(+81)11.5 − 20.5
(+2−11=19)
35.9%
11.5 / 32
0.0%
0
= = 0 = = = 0 = 0 = 0 = = = 0 = = = 0 1 = = 0 = 0 0 = = 0 1 0 =
–   Rybka 3 64-bit 4CPU3123+14
−14		(+75)19.5 − 34.5
(+4−19=31)
36.1%
19.5 / 54
0.0%
−2
= = 0 = = = 0 = = = = 1 0 0 = = 1 = = = = = = 0 0 = 0 = 1 = = 0 0 = 0 = 0 0 = 0 0 = 0 0 = = = = = 0 = 0 1 0
–   Rybka 3 Human 64-bit 4CPU3117+37
−37		(+69)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
−83
0 = = 0 0 =
–   Houdini 1.5a 64-bit3111+10
−10		(+63)9 − 15
(+3−9=12)		37.5%
9.0 / 24
0.0%
−11
0 = 0 0 = 0 = 1 = = 1 = = = 1 0 = 0 0 = 0 = = 0
–   RubiChess 1.5 64-bit3111+20
−20		(+63)7 − 13
(+3−9=8)		35.0%
7.0 / 20
0.0%
−33
0 1 0 = 0 = 0 1 0 = = 0 = = 0 = = 0 0 1
–   Komodo 4 64-bit3099+11
−11		(+51)25.5 − 36.5
(+6−17=39)
41.1%
25.5 / 62
0.0%
+1
= 1 = 0 = 0 = = 1 = 0 = 0 = 0 1 = = = = 0 = = 0 = = = 1 = 0 = = 0 = 1 0 0 = 0 = = = 0 = 0 = = = = = = = 0 = = = = 1 = 0 0 =
–   Komodo 3 64-bit3092+14
−14		(+44)12 − 18
(+3−9=18)
40.0%
12.0 / 30
0.0%
−10
= = = 0 = = 0 0 1 = 0 = = 0 1 = = = = = = 0 0 = 1 = = = 0 0
–   RofChade 2.0 64-bit3083+18
−19		(+35)8.5 − 11.5
(+3−6=11)		42.5%
8.5 / 20
0.1%
−9
1 = 0 = = = = 0 = 0 1 = 0 = = 0 0 = = 1
–   Critter 1.4 64-bit3082+20
−19		(+34)10.5 − 13.5
(+5−8=11)		43.8%
10.5 / 24
0.2%
−4
0 = = 1 0 = 0 1 = 1 0 1 = = 0 = = = = = 0 1 0 0
–   Critter 1.2 64-bit3082+14
−14		(+34)18.5 − 29.5
(+8−19=21)
38.5%
18.5 / 48
0.0%
−38
= 0 0 = = 1 1 = 0 = = 0 0 0 1 0 0 = = 0 0 1 0 = 0 = 0 0 = = 0 1 = = = = 1 0 0 = 1 = = 1 0 = = 0
–   Rybka 4 64-bit3078+10
−11		(+30)13 − 11
(+5−3=16)		54.2%
13.0 / 24
0.0%
+55
= = = = = 1 0 1 1 = = 0 = 1 = = = 0 = = = 1 = =
–   Laser 1.5 64-bit3073+15
−15		(+25)6.5 − 13.5
(+1−8=11)		32.5%
6.5 / 20
0.5%
−77
= 0 0 = 0 = 0 = 0 = = 1 0 = = 0 0 = = =
–   Stockfish 2.2.2 64-bit3073+20
−20		(+25)11 − 13
(+4−6=14)		45.8%
11.0 / 24
1.6%
+3
= = = = = 0 = 1 = 0 0 1 0 1 1 = = = = 0 = = 0 =
–   Critter 1.01 64-bit3046+23
−23		(−2)12.5 − 11.5
(+6−5=13)		52.1%
12.5 / 24
56.6%
+7
1 = 1 = = = 0 0 0 = 0 1 = 1 0 1 = = 1 = = = = =
–   Naum 4 64-bit 4CPU3045+17
−17		(−3)27.5 − 31.5
(+11−15=33)
46.6%
27.5 / 59
62.2%
−22
= = = = = = = 1 = 1 0 = 1 0 0 = 1 0 = = 0 = = 0 = = 1 = = 1 = 1 = = 0 = 1 0 0 = = = = 1 0 0 = = 1 = 0 = 1 = 0 0 0 = =
–   Hannibal 1.5 64-bit3041+13
−13		(−7)4 − 5
(+2−3=4)		44.4%
4.0 / 9
79.0%
−38
0 0 = 0 = = 1 = 1
–   Protector 1.8.0 64-bit3040+17
−17		(−8)6.5 − 2.5
(+5−1=3)		72.2%
6.5 / 9
78.3%
+136
1 = 1 0 = 1 1 1 =
–   Sting SF 5 64-bit3040+18
−18		(−8)4 − 4
(+3−3=2)		50.0%
4.0 / 8
75.8%
−8
= 1 0 0 1 0 1 =
–   Stockfish 1.9.1 64-bit3036+21
−20		(−12)15 − 9
(+9−3=12)		62.5%
15.0 / 24
84.2%
+60
= = 0 = = = 1 1 0 1 = = 0 1 1 = 1 1 = = 1 1 = =
–   Stockfish 2.0.1 64-bit3031+23
−22		(−17)12 − 12
(+6−6=12)		50.0%
12.0 / 24
90.8%
−17
= = 1 = 0 1 0 1 = = = = = = 1 0 = 0 = 0 1 = 0 1
–   Demolito 2019-07-15 64-bit3029+26
−26		(−19)6 − 4
(+5−3=2)		60.0%
6.0 / 10
90.5%
+55
1 1 1 0 0 1 1 = = 0
–   Stockfish 1.8 64-bit3028+21
−21		(−20)13.5 − 10.5
(+8−5=11)		56.3%
13.5 / 24
94.9%
+17
0 1 = 0 = = 1 1 = 0 0 = 1 = = = = 1 0 = 1 = 1 1
–   NirvanaChess 2.1c 64-bit3023+23
−23		(−25)4 − 4
(+1−1=6)		50.0%
4.0 / 8
97.2%
−29
= 0 = = = 1 = =
–   Rybka 2.3.2a 64-bit 4CPU3018+13
−13		(−30)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
100.0%
−10
1 = = = 0 = 1 = = = = = = 0 0 1 = = 0 = = 1 1 0 1 1 = = 0 = = 1 0 = = 1 1 1 = = = = = 0 1 = 0 = 0 = = = 0 = = = = = = = = = = 1 = 1 1 = = 1
–   Chiron 2 64-bit3015+13
−13		(−33)5.5 − 2.5
(+3−0=5)		68.8%
5.5 / 8
100.0%
+68
= = = 1 1 = 1 =
–   Naum 4.6 64-bit3013+12
−12		(−35)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
100.0%
−77
1 = 1 0 = 0 = 0
–   Texel 1.05 64-bit3010+15
−15		(−38)4.5 − 4.5
(+4−4=1)		50.0%
4.5 / 9
100.0%
−44
1 0 0 1 1 1 0 0 =
–   Stockfish 1.7.1 64-bit3010+22
−22		(−38)32 − 32
(+17−17=30)
50.0%
32.0 / 64
99.9%
−38
0 = = 0 = = 1 = = = 1 1 = = = = 1 0 0 = = 0 0 = 0 = = = 1 1 1 1 = = = = 0 1 0 0 0 = 1 1 1 1 = = 0 1 = 0 0 0 = = = 1 0 0 1 1 = =
–   Naum 4.2 64-bit2977+9
−9		(−71)26 − 26
(+12−12=28)
50.0%
26.0 / 52
100.0%
−69
= 0 = = 1 = 0 = = = = = = = 0 = = = = 1 1 = = = = 1 0 0 1 1 0 1 = = = 0 = 1 0 1 = 1 = 1 0 = = 0 0 1 = 0
–   Zappa Mexico II 64-bit 4CPU2970+10
−10		(−78)32.5 − 19.5
(+22−9=21)
62.5%
32.5 / 52
100.0%
+1
0 = 1 0 1 = = = 1 = 1 1 1 0 0 0 0 1 1 1 1 1 = 1 = = = = = = 1 = 0 1 1 0 = 1 = = = 1 = = 1 1 1 1 = = 1 0
–   Naum 3.1 64-bit 4CPU2969+18
−18		(−79)39.5 − 22.5
(+25−8=29)
63.7%
39.5 / 62
100.0%
+1
1 0 = = = 1 = 1 = 1 0 1 0 1 = = = = 1 0 1 = = = = = = 1 1 1 = 0 = 1 1 1 = 1 1 1 1 = = 0 1 1 1 = 1 0 = 1 = = 1 0 = 1 = = = =
–   Stockfish 1.6.3 64-bit2966+20
−20		(−82)30 − 22
(+16−8=28)
57.7%
30.0 / 52
100.0%
−36
= = = = 1 1 1 = = = 1 1 0 = = 1 = 1 1 = = 1 = 1 = = 0 1 = 0 0 1 = 0 = 1 1 1 = = 0 = = = = = 0 1 = = = 0
–   Naum 4 64-bit2955+14
−14		(−93)42 − 26
(+30−14=24)
61.8%
42.0 / 68
100.0%
−15
= = 1 1 = 1 = 0 0 = 0 = 1 1 0 0 0 1 = 1 0 1 1 = = 1 = 0 0 = 1 = = = = 1 = = 1 = = 1 0 1 = 0 1 1 = 1 0 1 1 = 1 1 = 1 1 1 1 0 1 1 0 = 1 1
–   Stockfish 1.6s 64-bit2953+29
−29		(−95)36.5 − 16.5
(+23−3=27)
68.9%
36.5 / 53
100.0%
+15
1 = = 1 1 = 1 = 1 = 1 = = = 1 = 1 1 = 1 = = 0 = 1 1 = = = 1 0 = 1 = = 1 0 1 = 1 1 1 = 1 = = = 1 = 1 1 = =
–   Naum 4.1 64-bit2952+21
−21		(−96)46.5 − 23.5
(+31−8=31)
66.4%
46.5 / 70
100.0%
+5
= 1 = = 1 1 1 0 1 = = = 1 = = 1 1 1 = 1 0 = 1 = = 1 = 1 1 1 1 1 1 1 = = = 1 0 = 1 = = 1 1 = = 1 = 1 0 1 = = 0 1 1 = = = = = 0 0 0 1 1 1 = =
–   Komodo 1.2 64-bit2947+16
−16		(−101)16.5 − 7.5
(+11−2=11)		68.8%
16.5 / 24
100.0%
+14
= 1 = 1 0 1 = 1 1 = 1 1 = = 0 1 = = 1 = = 1 1 =
–   Deep Shredder 12 64-bit2941+9
−10		(−107)4 − 1
(+3−0=2)		80.0%
4.0 / 5
100.0%
+94
1 1 = 1 =
–   Thinker 5.4c Inert 64-bit 4CPU2924+15
−15		(−124)32 − 12
(+25−5=14)
72.7%
32.0 / 44
100.0%
+30
= 1 = 1 1 = 1 = = 1 1 1 1 0 = 1 1 1 = = 1 1 = 0 = = 1 = 1 = 1 1 1 1 1 1 1 0 = 0 0 1 1 1
–   Komodo 1.0 64-bit2922+14
−14		(−126)74 − 34
(+48−8=52)
68.5%
74.0 / 108
100.0%
−13
1 1 1 0 = 1 0 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 = 0 1 = 1 = = = 1 1 = 1 1 = 1 = = 1 1 1 = = 0 = 1 = 0 1 = = 1 = 1 = = = = 1 1 1 = = 1 = 1 = = 1 0 1 = =
–   Deep Shredder 11 64-bit 4CPU2917+12
−12		(−131)44 − 11
(+37−4=14)
80.0%
44.0 / 55
100.0%
+89
= = 1 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 = 1 0 = = 1 1 = 1 1 1 1 0 1 1 1 = 1 1 = 0
–   Deep Sjeng 3.0 64-bit 4CPU2909+22
−22		(−139)16.5 − 6.5
(+13−3=7)		71.7%
16.5 / 23
100.0%
+16
1 1 1 1 1 1 0 = = = 0 0 1 = 1 1 1 1 = 1 = 1 =
–   Toga II 1.4.1SE 4CPU2905+13
−13		(−143)44.5 − 8.5
(+38−2=13)
84.0%
44.5 / 53
100.0%
+113
1 = 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 1 = = 1 1 = 1 0 1 1 1 1 1 =
–   Stockfish 1.5.1 64-bit2889+28
−28		(−159)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+31
1 0 1 0 1 1 = 1 = = 1 1 0 = = 1 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = 1
–   Fritz 122887+11
−11		(−161)23 − 12
(+14−3=18)
65.7%
23.0 / 35
100.0%
−69
1 = = 1 = 0 = 0 1 = = = = 1 1 = 1 1 1 1 = = 0 = = 1 1 = 1 = 1 1 = = =
–   Doch 1.2 64-bit2885+26
−26		(−163)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+9
1 1 = = = 1 1 1 = 1 1 1 1 1 1 1 1 1 0 = = = = = = 1 = = 1 1 = 1
–   Thinker 5.4d Inert 64-bit2866+16
−16		(−182)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
−99
= = 1
–   Doch 09.980 64-bit2865+25
−25		(−183)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−39
= 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 1 1 = 0 0 1 0 = = 1 0 1 0 1 = 1
–   Thinker 5.4c Inert 64-bit2861+14
−14		(−187)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+6
= = 1 1 1 1 1 1 1 = 1 1 = = = 1 1 = 1 1 1 1 = 1 0 1 = 1 = 1 = 1 0 1
–   Naum 3.1 64-bit2861+18
−18		(−187)38.5 − 8.5
(+31−1=15)
81.9%
38.5 / 47
100.0%
+36
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
–   Naum 3 64-bit2857+19
−19		(−191)8.5 − 3.5
(+5−0=7)		70.8%
8.5 / 12
100.0%
−74
1 = = = 1 = = 1 = = 1 1
–   Zappa Mexico II 64-bit2855+10
−10		(−193)47.5 − 14.5
(+36−3=23)
76.6%
47.5 / 62
100.0%
−14
= 1 1 = 1 1 1 = 1 = = = 1 0 1 = 1 = 1 1 0 = 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
–   Fritz 112853+10
−10		(−195)27.5 − 7.5
(+22−2=11)
78.6%
27.5 / 35
100.0%
+4
1 1 1 1 0 = 1 1 1 1 = 1 = = 1 1 1 = 1 = = 1 = 1 = 1 0 1 1 1 = 1 1 = 1
–   Thinker 5.4a Inert 64-bit2851+31
−31		(−197)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+102
= 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 = =
–   Stockfish 1.4 64-bit2850+19
−19		(−198)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−41
0 1 1 1 = = 1 = = 1 = 1 1 1 = 1 1 1 0 = 1 1 1 = 1 1 = = 0 1 1 =
–   Deep Shredder 11 64-bit2844+15
−15		(−204)50 − 12
(+41−3=18)
80.6%
50.0 / 62
100.0%
+16
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 1 1 1 0 = = = 1 1 1 1 1 1 1 0 1 = 1 = 1 1 = = 1 1
–   Thinker 5.3b Inert 64-bit2843+24
−24		(−205)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
−3
= 1 1 1 1 = = = = 1 1 = = 1 1 = 1 1 0 = = 1 1 = 1 1 1 1 1 1 1 1
–   Critter 0.60 64-bit2841+25
−25		(−207)18.5 − 5.5
(+14−1=9)		77.1%
18.5 / 24
100.0%
−26
1 1 = 1 0 1 1 1 = = = = 1 = 1 1 = 1 = 1 1 1 = 1
–   Deep Sjeng 3.0 64-bit2838+22
−22		(−210)36 − 8
(+30−2=12)
81.8%
36.0 / 44
100.0%
+21
1 1 1 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
–   Deep Sjeng WC2008 64-bit2836+13
−13		(−212)26 − 7
(+20−1=12)
78.8%
26.0 / 33
100.0%
−18
= 1 1 1 = = 0 1 = = = = 1 1 1 1 = 1 1 = 1 = 1 1 1 1 = = 1 1 1 1 1
–   Spark 0.3 64-bit2836+18
−18		(−212)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
−3
1 = = 1 1 1 1 1 = = 1 1 = = 1 1 1 1 1 = 0 1 1 1 = 1 1 = 1 = 1 = 1
–   Grapefruit 1.0 32-bit2827+9
−9		(−221)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−8
= 1 1 1 = 1 = 1 1 = = 1 = 1 = = 1 1 = 1 = 1 1 1 = 1 1 1 = 1 1 1
–   Toga II 1.4.1SE2827+12
−12		(−221)35 − 9
(+29−3=12)
79.5%
35.0 / 44
100.0%
−7
1 = = 1 = 1 1 = = = 1 1 1 1 = = 1 1 1 = = 1 1 1 0 1 1 1 = 0 1 1 1 = 0 1 1 1 1 1 1 1 1 1
–   Toga II 1.4.1SE62821+23
−23		(−227)39 − 5
(+34−0=10)
88.6%
39.0 / 44
100.0%
+77
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
–   Onno 1.0 64-bit2819+17
−17		(−229)50 − 7
(+45−2=10)
87.7%
50.0 / 57
100.0%
+84
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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 = 1 1 = 1 1 1 = 0 1
–   Hiarcs 12.12818+11
−11		(−230)25 − 10
(+20−5=10)
71.4%
25.0 / 35
100.0%
−80
= 1 = 1 = 1 1 1 = = 1 0 1 0 0 1 1 0 1 1 1 1 1 1 = = 0 1 = 1 1 1 1 = =
–   Hiarcs 12 Sharpen PV On2814+13
−14		(−234)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−70
0 1 1 = 1 1 1 = = = 1 = = 1 = 1 1 = 1 = 1 1 = = = 0 1 1 1 1 1 1
–   Onno 1.1.1 64-bit2810+21
−21		(−238)16.5 − 1.5
(+15−0=3)		91.7%
16.5 / 18
100.0%
+123
1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1
–   Hiarcs 122809+14
−14		(−239)51 − 11
(+42−2=18)
82.3%
51.0 / 62
100.0%
−6
= 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 1 0 1 1 1
–   Hiarcs Paderborn 20072796+18
−18		(−252)37.5 − 10.5
(+31−4=13)
78.1%
37.5 / 48
100.0%
−49
= 1 1 1 = = 1 0 = = = 1 1 1 1 = = 1 1 = = = = 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 = 0 1 1 1 1 1
–   Glaurung 2.2 64-bit2784+16
−16		(−264)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+259
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
–   Bright 0.4a2777+10
−10		(−271)88 − 16
(+75−3=26)
84.6%
88.0 / 104
100.0%
−8
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 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 1 1 1 1 = 1 = 0 1 1 1 1 1 1 1 1 = 1 = =
–   Glaurung 2.1 64-bit2769+19
−19		(−279)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
−31
= 1 = 1 = 1 1 1 = 1 1 1 = = 1 1 1 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1
–   Thinker 5.3b Passive 64-bit2766+24
−24		(−282)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−36
1 1 = = 0 = 1 1 = 1 1 1 1 1 = 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 =
–   Crafty 23.0 64-bit 4CPU2760+18
−18		(−288)34.5 − 0.5
(+34−0=1)
98.6%
34.5 / 35
100.0%
+365
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
2690 games: 1292 wins, 352 losses, 1046 draws (38.9%), score: 67.5%

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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019