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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Rybka 3 32-bit (2994+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 21.3 64-bit3124+15
−15
(+130)4 − 10
(+2−8=4)
28.6%
4.0 / 14
0.0%
−24
0 0 = 0 0 = 0 = 1 0 0 0 1 =
–   Ethereal 10.00 64-bit3093+15
−15
(+99)5 − 9
(+1−5=8)
35.7%
5.0 / 14
0.0%
+20
= = 0 0 = = = 0 = 1 0 = = 0
–   Nemorino 5.00 64-bit3088+14
−14
(+94)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
0.0%
+26
0 = = 0 0 1 0 0 1 = 1 = 0 1 0 =
–   chess22k 1.13 64-bit3070+26
−26
(+76)2.5 − 9.5
(+2−9=1)
20.8%
2.5 / 12
0.0%
−174
= 0 1 0 0 0 0 0 0 1 0 0
–   Vajolet2 2.6 64-bit3061+15
−15
(+67)7.5 − 12.5
(+2−7=11)
37.5%
7.5 / 20
0.0%
−7
= = 0 = = = 0 0 = = 0 = 0 = = 1 0 = 1 0
–   Pedone 1.8 64-bit3060+16
−16
(+66)9.5 − 10.5
(+7−8=5)
47.5%
9.5 / 20
0.0%
+49
0 0 0 = = = 1 1 = 0 0 1 = 1 1 0 1 0 0 1
–   Wasp 3.75 64-bit3058+30
−30
(+64)5 − 7
(+2−4=6)
41.7%
5.0 / 12
0.0%
+12
0 = 0 = 0 = = 1 = = 0 1
–   iCE 3.0 64-bit3042+12
−12
(+48)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
−11
= = 0 = 0 = = 0 1 =
–   Sting SF 8.5 64-bit3041+29
−29
(+47)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.2%
+47
0 1 0 1 0 1 = = = =
–   Senpai 2.0 64-bit3037+12
−12
(+43)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−105
= 0 0 = 0 0 = = = 0
–   Laser 1.4 64-bit3027+18
−18
(+33)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.2%
+5
1 1 0 0 = = 0 = 1 = 0 1 0 =
–   ChessBrainVB 3.683026+21
−21
(+32)6.5 − 7.5
(+5−6=3)
46.4%
6.5 / 14
0.5%
+11
= 1 = 1 1 0 = 1 1 0 0 0 0 0
–   Pirarucu 3.0.7 64-bit3012+22
−22
(+18)7.5 − 8.5
(+3−4=9)
46.9%
7.5 / 16
8.2%
+3
= 1 1 0 = 0 0 = = = = 1 = = = 0
–   Arasan 20.3 64-bit3010+20
−20
(+16)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
9.8%
+40
1 = = = 1 0 0 0 = = 1 1
–   Ethereal 9.30 64-bit3005+26
−25
(+11)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
22.4%
−16
1 1 0 0 = 0 = = = =
–   Rodent III 0.281 64-bit2999+22
−22
(+5)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
36.3%
−14
0 1 = = = = = = 0 1 = 0 1 0
–   chess22k 1.11 64-bit2990+20
−20
(−4)6 − 8
(+1−3=10)
42.9%
6.0 / 14
63.8%
−43
= = = = = = 1 0 0 = 0 = = =
–   ChessBrainVB 3.612988+27
−27
(−6)5 − 5
(+2−2=6)
50.0%
5.0 / 10
65.6%
−2
= 1 = 0 = = = 1 0 =
–   Demolito 2019-04-27 64-bit2986+19
−19
(−8)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
75.2%
+11
= = = 1 0 1 1 = 1 = = 0 0 =
–   RubiChess 1.3 64-bit2981+21
−21
(−13)8.5 − 5.5
(+6−3=5)
60.7%
8.5 / 14
85.7%
+60
1 0 = 1 = 1 0 1 0 1 = 1 = =
–   Stockfish 1.7.1 32-bit2978+17
−17
(−16)17 − 13
(+7−3=20)
56.7%
17.0 / 30
94.4%
+20
= 1 = = = 1 = 1 = 0 = 0 = 1 = = 1 = = = = = 1 = = = 1 = 0 =
–   Naum 4.2 64-bit2977+9
−9
(−17)11 − 13
(+4−6=14)
45.8%
11.0 / 24
98.6%
−43
1 0 = = 1 0 = = = = = = = 1 0 = 0 = 1 = 0 = 0 =
–   Pirarucu 2.9.5 64-bit2967+19
−19
(−27)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
99.1%
−49
1 = = 1 0 = 0 1 0 0 = = = =
–   Naum 4.2 32-bit2960+10
−10
(−34)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
+19
1 = 0 1 1 = = = = = 1 = 0 1 = 1 1 1 0 0 = = = 0 0 0 1 1 1 1
–   chess22k 1.10 64-bit2956+18
−18
(−38)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
0
0 = 0 1 = 1 1 =
–   Naum 4.1 32-bit2954+21
−21
(−40)18 − 12
(+7−1=22)
60.0%
18.0 / 30
100.0%
+11
= 1 = = = = = 1 1 = = = = = = = 1 = 0 = = = = 1 = = 1 1 = =
–   Stockfish 1.6.3 32-bit2935+17
−17
(−59)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
−13
= = = = = = 0 1 = 1 = = 1 0 1 1 1 1 = = 0 = = = = 1 0 = = = = 1
–   Naum 4 32-bit2931+14
−14
(−63)35.5 − 22.5
(+21−8=29)
61.2%
35.5 / 58
100.0%
+5
= 1 1 = = 1 = = = 0 = = 1 0 = = 1 0 1 = 1 1 = = = 0 = = 0 = 1 1 1 = 1 = 1 = 0 1 = 0 1 = 1 = = 1 = = = 1 = 1 = 1 0 1
–   Shredder 12 32-bit2930+7
−8
(−64)51 − 39
(+28−16=46)
56.7%
51.0 / 90
100.0%
−24
= 1 1 = 1 = 1 0 = = = 1 0 0 = 0 = 0 = 1 1 1 = = 0 = = 0 0 = = 0 = = = = = 1 0 = = 1 1 1 = 1 = 1 = 1 1 = = = 1 = = = 0 = = 0 = 0 = 1 = 1 1 = 1 1 = = = = 0 = 1 = 1 0 = = 1 1 1 1 0 =
–   Dirty CUCUMBER 64-bit2920+14
−14
(−74)8 − 4
(+6−2=4)
66.7%
8.0 / 12
100.0%
+40
1 0 1 1 0 1 = 1 = 1 = =
–   Rybka 2.3.2a 32-bit2913+9
−9
(−81)28.5 − 21.5
(+17−10=23)
57.0%
28.5 / 50
100.0%
−35
= = 1 1 0 = 1 1 = = 1 = 0 1 1 1 1 1 = = 1 0 1 = 0 = 0 = = 0 = = 1 = 1 0 = = 1 0 = = 1 = 1 = = = 0 0
–   Komodo 1.2 32-bit2897+14
−14
(−97)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+12
0 = = 1 1 = = = = = = 1 1 = = 1 1 1 1 1 = = 0 = 1 1 = 1 = 1
–   Fritz 122887+11
−11
(−107)21.5 − 12.5
(+13−4=17)
63.2%
21.5 / 34
100.0%
−30
1 1 = = = = 1 = 1 = 0 1 1 0 = = 1 = 1 = = 1 = 1 = 1 0 = = 1 = 0 = 1
–   Critter 0.70 32-bit2878+20
−20
(−116)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+67
= = 1 1 1 1 = 1 1 1 1 = 0 1 = 1 = 1 0 1 1 = = 1 1 1 = 1 = 1
–   Hiarcs 13.12875+14
−14
(−119)21 − 9
(+14−2=14)
70.0%
21.0 / 30
100.0%
+3
1 1 1 0 = 1 = = 1 1 = 1 0 1 1 = 1 = = = 1 = = = = 1 = = 1 1
–   Komodo 1.0 32-bit2869+16
−16
(−125)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+82
1 0 = 1 = 1 1 1 1 1 1 = 1 1 1 = = = 1 1 1 = 1 1 = = 1 1 1 =
–   Stockfish 1.5.1 32-bit2865+15
−15
(−129)24 − 10
(+17−3=14)
70.6%
24.0 / 34
100.0%
+3
= 1 1 1 1 = = = 1 0 1 1 1 1 = 0 = = = 1 = 1 0 1 1 1 = = = 1 = 1 1 =
–   Naum 3.1 32-bit2859+16
−16
(−135)50 − 17
(+36−3=28)
74.6%
50.0 / 67
100.0%
+22
= 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 = = = 1 1 = = = = = 0 1 = 1 1 = 1 1 1 = 1
–   Doch 1.3.4 32-bit2858+22
−22
(−136)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+21
1 = 1 =
–   Thinker 5.4d Inert 32-bit2857+10
−10
(−137)26 − 8
(+18−0=16)
76.5%
26.0 / 34
100.0%
+26
1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 = 1 = = 1 = = = = = 1 = = = = 1 1 1 =
–   Fritz 112853+10
−10
(−141)38.5 − 15.5
(+26−3=25)
71.3%
38.5 / 54
100.0%
−10
= 1 = 1 = 1 = = 1 1 = 1 = = 0 1 1 = 1 = 1 1 0 = = = = = = = 1 1 1 = = 1 = 0 1 1 1 = 1 1 = = 1 = = 1 1 1 1 1
–   Thinker 5.4c Inert 32-bit2850+13
−13
(−144)22.5 − 11.5
(+18−7=9)
66.2%
22.5 / 34
100.0%
−31
1 1 1 = 1 1 = = 1 1 1 0 1 0 = 0 1 0 = 0 = = 1 1 = 0 1 1 1 = 0 1 1 1
–   Thinker 5.3b Inert 32-bit2846+19
−19
(−148)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−97
1 1 1 = 0 = 0 = 0 = 0 1 = = 0 0 = 1 1 1 1 1 1 = = 0 = 1 1 =
–   Thinker 5.4a Inert 32-bit2836+21
−21
(−158)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+86
1 = = 1 1 = 1 1 1 1 1 1 0 = 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 =
–   Shredder 112833+12
−12
(−161)57 − 17
(+43−3=28)
77.0%
57.0 / 74
100.0%
+17
= = = 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 = 1 1 1 0 1 1 1 = 1 0 = 1 1 = = = 1 1 1
–   Deep Junior 11.1a 32-bit2832+17
−17
(−162)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−47
0 = = 1 = 1 1 1 = 1 = = = = = 1 0 1 1 = 1 = 1 = 1 0 1 1 = 1
–   Critter 0.60 32-bit2831+23
−23
(−163)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
+33
1 1 = 1 1 = 1 1 = 1 = 1 = 1 1 1 1 = = = = 1 = 1 1 1 1 = 1 =
–   Stockfish 1.4 32-bit2831+16
−16
(−163)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
0
0 1 1 = = 1 1 1 1 1 1 = = 1 = = 0 1 1 1 = 1 1 1 1 = = = 1 =
–   Cyclone xTreme Fury2828+19
−19
(−166)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
−5
1 = = 1 1 1 1 = 1 1 0 1 1 = 1 = = 1 1 = 1 = 1 1 1 1 0 0 = =
–   Grapefruit 1.0 32-bit2827+9
−9
(−167)33.5 − 11.5
(+25−3=17)
74.4%
33.5 / 45
100.0%
−5
1 = = 1 1 1 = = 1 1 0 1 0 1 1 1 = 1 1 = 1 = 1 1 1 1 1 1 = 1 = 1 = = = 1 = 1 = 1 = 0 = 1 =
–   Toga II 1.4.1SE2827+12
−12
(−167)42.5 − 15.5
(+31−4=23)
73.3%
42.5 / 58
100.0%
−13
= = 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 = 0 1 1 = 1 = 1 1 = = 1 1 = 1
–   Deep Sjeng WC2008 32-bit2826+12
−12
(−168)40.5 − 10.5
(+32−2=17)
79.4%
40.5 / 51
100.0%
+36
= = 1 1 1 = 1 = 1 = 1 1 = 1 = 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
–   Cyclone xTreme2825+13
−13
(−169)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−30
= = = 1 1 1 1 1 0 = = 1 0 = 0 1 1 0 1 1 1 1 = = 1 = 1 = 1 1 = 1
–   Protector 1.3.4 32-bit2825+15
−15
(−169)22.5 − 7.5
(+16−1=13)
75.0%
22.5 / 30
100.0%
−13
= 1 1 1 = 1 = = 1 1 1 = = = 1 0 1 = = 1 = 1 1 1 1 = = 1 = 1
–   Cyclone 3.42823+21
−21
(−171)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
+20
1 = = 1 0 = 1 = 1 1 = = 1 1 1 = 1 1 = 1 1 1 = 1 1 = 1 1 1 = 1 = 1 = 1
–   Cyclone xTreme Rage2821+25
−25
(−173)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+116
1 = 1 1
–   Hiarcs 12.12818+11
−11
(−176)37.5 − 10.5
(+29−2=17)
78.1%
37.5 / 48
100.0%
+15
= 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 = 0 = 1 1 1 1 =
–   Deep Sjeng 3.0 32-bit2814+21
−21
(−180)43 − 10
(+35−2=16)
81.1%
43.0 / 53
100.0%
+41
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 0 1 1 1 = = =
–   Hiarcs 12 Sharpen PV On2814+13
−14
(−180)21.5 − 9.5
(+14−2=15)
69.4%
21.5 / 31
100.0%
−63
1 = = = 1 1 0 1 0 = = 1 1 = = 1 = = 1 1 = = 1 1 = 1 = = 1 1 =
–   Zappa Mexico II 32-bit2810+12
−12
(−184)38 − 13
(+29−4=18)
74.5%
38.0 / 51
100.0%
−20
1 0 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 1 = 1 1 1 = 0 1 = = =
–   Hiarcs 122809+14
−14
(−185)41 − 14
(+32−5=18)
74.5%
41.0 / 55
100.0%
−17
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 1 1 = 1 1 = = = 1 0 1 0 1 0 1
–   Spark 0.3a 32-bit2800+17
−17
(−194)28.5 − 5.5
(+23−0=11)
83.8%
28.5 / 34
100.0%
+44
1 = = 1 1 = 1 1 = 1 1 = = 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 = 1
–   Spark 0.3 32-bit2798+16
−16
(−196)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
+11
1 1 = = 1 = = 1 = 1 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 = 1 1 1 1 0 1 =
–   Onno 1.1.1 32-bit2798+18
−18
(−196)31 − 7
(+26−2=10)
81.6%
31.0 / 38
100.0%
+34
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 1 1 1 =
–   Hiarcs Paderborn 20072796+18
−18
(−198)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−56
1 1 1 1 1 = 1 0 1 1 = 1 1 0 0 = 1 = 1 = = 1 0 1 = = 1 0 = 1 1 1
–   Protector 1.3.2 32-bit2796+21
−21
(−198)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
0
1 1 1 1 = = 1 1 1 1 = = 1 = 1 = 1 = = = 1 1 1 1 1 1 = = 1 =
–   Doch 09.980 32-bit2796+19
−19
(−198)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+8
1 1 1 1 1 = = 1 0 = 1 1 1 1 = 1 = 1 1 1 1 = 1 1 1 = = = 1 =
–   Onno 1.0 32-bit2794+18
−18
(−200)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+10
1 1 1 1 1 1 1 1 1 0 1 = 1 = = 1 = 1 0 = 1 1 1 1 = = 0 1 1 1
–   Stockfish 1.3.1 32-bit2794+25
−25
(−200)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−6
= = 1 1 = = 1 = 1 1 1 = 1 1 1 1 = 1 = 1 = 1 1 = 1 1 1 1 1 = = =
–   Fruit 2.3.12786+14
−14
(−208)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
−18
1 1 1 = 1 1 = 1 1 = = 1 = 1 1 1 = 1 1 = = = 0 1 = = 1 = = 1 1 1 1 1 1
–   Grapefruit 1.0a32783+31
−32
(−211)17.5 − 2.5
(+17−2=1)
87.5%
17.5 / 20
100.0%
+146
1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 = 1 1 1 1
–   Stockfish 1.2 Default2781+21
−22
(−213)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+31
1 1 1 = 1 = 1 = 1 = 0 1 1 1 0 = 1 1 1 0 1 1 1 = 1 1 1 1 1 1 1 1
–   Bright 0.4a2777+10
−10
(−217)27 − 4
(+23−0=8)
87.1%
27.0 / 31
100.0%
+63
1 1 = 1 1 1 1 1 1 1 1 1 1 = = = 1 = 1 = 1 1 = 1 = 1 1 1 1 1 1
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10
(−220)45 − 11
(+37−3=16)
80.4%
45.0 / 56
100.0%
−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 0 1 = = 1 1 1 = = 1 = = 1 1 = 1
–   Glaurung 2.1 32-bit2766+18
−18
(−228)68.5 − 15.5
(+56−3=25)
81.5%
68.5 / 84
100.0%
−2
1 1 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 = 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 =
–   Thinker 5.2e Passive2762+28
−28
(−232)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−73
1 1 0 = = 1 = 1 1 = 1 1 1 0 0 1 = 1 1 = 1 = = = 1 = 1 1 1 = 1 1
–   Ktulu 92755+12
−12
(−239)26 − 4
(+22−0=8)
86.7%
26.0 / 30
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
–   Spike 1.2 Turin2746+7
−7
(−248)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−72
1 1 1 1 0 1 = = 1 = 0 1 = = 1 0 1 1 = = 1 = 1 1 1 = 1 = 1 1 1 1
–   Junior 102744+13
−13
(−250)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+31
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 =
–   Chessmaster 11 Archangel2696+21
−21
(−298)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−17
= = 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

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