CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Show each game results
Rybka 3 64-bit (3050+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
–   Rybka 3 64-bit 4CPU3127+14
−14
(+77)19.5 − 34.5
(+4−19=31)
36.1%
19.5 / 54
0.0%
0
= = 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 4CPU3124+39
−38
(+74)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−77
0 = = 0 0 =
–   Houdini 1.5a 64-bit3119+12
−12
(+69)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
−5
0 = 0 0 = 0 = 1 = = 1 = = = 1 0 = 0 0 = 0 = = 0
–   Komodo 4 64-bit3103+11
−11
(+53)25.5 − 36.5
(+6−17=39)
41.1%
25.5 / 62
0.0%
+3
= 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-bit3096+15
−14
(+46)12 − 18
(+3−9=18)
40.0%
12.0 / 30
0.0%
−8
= = = 0 = = 0 0 1 = 0 = = 0 1 = = = = = = 0 0 = 1 = = = 0 0
–   Critter 1.4 64-bit3085+19
−19
(+35)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
0.2%
−3
0 = = 1 0 = 0 1 = 1 0 1 = = 0 = = = = = 0 1 0 0
–   Critter 1.2 64-bit3085+14
−14
(+35)18.5 − 29.5
(+8−19=21)
38.5%
18.5 / 48
0.0%
−37
= = 1 0 0 = 1 = = 1 0 = = 0 = 0 0 0 1 0 0 = = 0 0 1 0 = 0 = 0 0 = = 0 1 = = = 0 0 = = 1 1 = 0 =
–   Rybka 4 64-bit3079+11
−11
(+29)13 − 11
(+5−3=16)
54.2%
13.0 / 24
0.0%
+54
= = = = = 1 0 1 1 = = 0 = 1 = = = 0 = = = 1 = =
–   Stockfish 2.2.2 64-bit3075+20
−20
(+25)11 − 13
(+4−6=14)
45.8%
11.0 / 24
1.7%
+3
= = = = = 0 = 1 = 0 0 1 0 1 1 = = = = 0 = = 0 =
–   Naum 4 64-bit 4CPU3050+18
−17
(0)27.5 − 31.5
(+11−15=33)
46.6%
27.5 / 59
52.1%
−19
= = = = = = = 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 = =
–   Critter 1.01 64-bit3050+23
−23
(0)12.5 − 11.5
(+6−5=13)
52.1%
12.5 / 24
51.9%
+9
1 = 1 = = = 0 0 0 = 0 1 = 1 0 1 = = 1 = = = = =
–   Hannibal 1.5 64-bit3042+13
−13
(−8)4 − 5
(+2−3=4)
44.4%
4.0 / 9
82.0%
−39
0 = 1 = 1 0 = 0 =
–   Sting SF 5 64-bit3041+18
−18
(−9)4 − 4
(+3−3=2)
50.0%
4.0 / 8
78.9%
−9
1 0 1 = = 1 0 0
–   Protector 1.8.0 64-bit3041+17
−17
(−9)6.5 − 2.5
(+5−1=3)
72.2%
6.5 / 9
81.0%
+135
= 1 1 1 = 1 = 1 0
–   Stockfish 1.9.1 64-bit3038+21
−21
(−12)15 − 9
(+9−3=12)
62.5%
15.0 / 24
83.6%
+60
= = 0 = = = 1 1 0 1 = = 0 1 1 = 1 1 = = 1 1 = =
–   Stockfish 2.0.1 64-bit3034+23
−22
(−16)12 − 12
(+6−6=12)
50.0%
12.0 / 24
90.3%
−16
= = 1 = 0 1 0 1 = = = = = = 1 0 = 0 = 0 1 = 0 1
–   Stockfish 1.8 64-bit3025+25
−24
(−25)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
97.0%
+12
0 1 = 0 = = 1 1 = 0 0 = 1 = = = = 1 0 = 1 = 1 1
–   NirvanaChess 2.1c 64-bit3024+23
−23
(−26)4 − 4
(+1−1=6)
50.0%
4.0 / 8
97.8%
−30
= 1 = = = 0 = =
–   Rybka 2.3.2a 64-bit 4CPU3021+13
−13
(−29)37.5 − 32.5
(+16−11=43)
53.6%
37.5 / 70
99.9%
−9
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-bit3016+13
−13
(−34)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
+67
1 = 1 = = = = 1
–   Naum 4.6 64-bit3016+13
−13
(−34)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−76
= 0 = 0 1 = 1 0
–   Texel 1.05 64-bit3011+15
−15
(−39)4.5 − 4.5
(+4−4=1)
50.0%
4.5 / 9
100.0%
−45
1 0 0 = 1 0 0 1 1
–   Stockfish 1.7.1 64-bit3010+22
−22
(−40)32 − 32
(+17−17=30)
50.0%
32.0 / 64
99.9%
−40
0 1 = 0 0 0 = = = 1 0 0 1 1 = = 0 = = 0 = = 1 = = = 1 1 = = = = 1 0 0 = = 0 0 = 0 = = = 1 1 1 1 = = = = 0 1 0 0 0 = 1 1 1 1 = =
–   Naum 4.2 64-bit2979+9
−9
(−71)26 − 26
(+12−12=28)
50.0%
26.0 / 52
100.0%
−69
= 1 0 0 1 1 0 1 = = = 0 = 1 0 1 = 1 = 1 0 = = 0 0 1 = 0 = 0 = = 1 = 0 = = = = = = = 0 = = = = 1 1 = = =
–   Zappa Mexico II 64-bit 4CPU2973+10
−10
(−77)32.5 − 19.5
(+22−9=21)
62.5%
32.5 / 52
100.0%
+2
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 4CPU2972+18
−18
(−78)39.5 − 22.5
(+25−8=29)
63.7%
39.5 / 62
100.0%
+2
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
(−84)30 − 22
(+16−8=28)
57.7%
30.0 / 52
100.0%
−38
= = = 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-bit2956+15
−15
(−94)42 − 26
(+30−14=24)
61.8%
42.0 / 68
100.0%
−16
0 1 = 0 1 1 = 1 0 1 1 = 1 1 = 1 1 1 1 0 1 1 0 = 1 1 = = 1 1 = 1 = 0 0 = 0 = 1 1 0 0 0 1 = 1 0 1 1 = = 1 = 0 0 = 1 = = = = 1 = = 1 = = 1
–   Stockfish 1.6s 64-bit2953+29
−29
(−97)36.5 − 16.5
(+23−3=27)
68.9%
36.5 / 53
100.0%
+13
= 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 = = 1 =
–   Naum 4.1 64-bit2952+21
−21
(−98)46.5 − 23.5
(+31−8=31)
66.4%
46.5 / 70
100.0%
+3
= = = 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-bit2950+16
−16
(−100)16.5 − 7.5
(+11−2=11)
68.8%
16.5 / 24
100.0%
+15
= 1 = 1 0 1 = 1 1 = 1 1 = = 0 1 = = 1 = = 1 1 =
–   Deep Shredder 12 64-bit2942+9
−9
(−108)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+93
1 = 1 = 1
–   Thinker 5.4c Inert 64-bit 4CPU2927+15
−15
(−123)32 − 12
(+25−5=14)
72.7%
32.0 / 44
100.0%
+31
= 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-bit2923+14
−14
(−127)74 − 34
(+48−8=52)
68.5%
74.0 / 108
100.0%
−14
= = 0 = 1 = 0 1 = = 1 = 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 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 = = =
–   Deep Shredder 11 64-bit 4CPU2920+12
−12
(−130)44 − 11
(+37−4=14)
80.0%
44.0 / 55
100.0%
+90
= = 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 4CPU2912+22
−22
(−138)16.5 − 6.5
(+13−3=7)
71.7%
16.5 / 23
100.0%
+17
1 1 1 1 1 1 0 = = = 0 0 1 = 1 1 1 1 = 1 = 1 =
–   Toga II 1.4.1SE 4CPU2908+13
−13
(−142)44.5 − 8.5
(+38−2=13)
84.0%
44.5 / 53
100.0%
+114
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
(−161)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+29
1 0 1 0 1 1 = 1 = = 1 1 0 = = 1 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = 1
–   Fritz 122886+11
−11
(−164)23 − 12
(+14−3=18)
65.7%
23.0 / 35
100.0%
−72
= = = 1 = 0 = 0 1 = = = = 1 1 = 1 1 1 1 = = 0 = = 1 1 = 1 = 1 1 = = 1
–   Doch 1.2 64-bit2886+26
−26
(−164)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
+8
1 1 = = = 1 1 1 = 1 1 1 1 1 1 1 1 1 0 = = = = = = 1 = = 1 1 = 1
–   Doch 09.980 64-bit2865+25
−25
(−185)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−41
= 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 1 1 = 0 0 1 0 = = 1 0 1 0 1 = 1
–   Thinker 5.4d Inert 64-bit2862+17
−17
(−188)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−105
1 = =
–   Naum 3.1 64-bit2862+18
−18
(−188)38.5 − 8.5
(+31−1=15)
81.9%
38.5 / 47
100.0%
+35
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 5.4c Inert 64-bit2861+14
−14
(−189)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+4
1 0 = = 1 1 1 1 1 1 1 = 1 1 = = = 1 1 = 1 1 1 1 = 1 0 1 = 1 = 1 = 1
–   Zappa Mexico II 64-bit2858+10
−10
(−192)47.5 − 14.5
(+36−3=23)
76.6%
47.5 / 62
100.0%
−13
= = 0 = = 1 1 = 1 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 = 1 1 = 1 1 1 = 1 = = = 1 1
–   Naum 3 64-bit2856+19
−19
(−194)8.5 − 3.5
(+5−0=7)
70.8%
8.5 / 12
100.0%
−77
1 = = = 1 = = 1 = = 1 1
–   Fritz 112852+10
−10
(−198)27.5 − 7.5
(+22−2=11)
78.6%
27.5 / 35
100.0%
+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
–   Thinker 5.4a Inert 64-bit2851+31
−31
(−199)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+100
= 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
(−200)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−43
0 1 1 1 = = 1 = = 1 = 1 1 1 = 1 1 1 0 = 1 1 1 = 1 1 = = 0 1 1 =
–   Thinker 5.3b Inert 64-bit2844+24
−24
(−206)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
−4
= 1 1 1 1 = = = = 1 1 = = 1 1 = 1 1 0 = = 1 1 = 1 1 1 1 1 1 1 1
–   Deep Shredder 11 64-bit2844+15
−15
(−206)50 − 12
(+41−3=18)
80.6%
50.0 / 62
100.0%
+14
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 1 1 0 = = = 1 1 1 1 = = 1 1 1 1 = 1
–   Deep Sjeng 3.0 64-bit2838+22
−22
(−212)36 − 8
(+30−2=12)
81.8%
36.0 / 44
100.0%
+19
= 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 0 = = 1 1 1
–   Critter 0.60 64-bit2836+26
−26
(−214)18.5 − 5.5
(+14−1=9)
77.1%
18.5 / 24
100.0%
−33
1 1 = 1 0 1 1 1 = = = = 1 = 1 1 = 1 = 1 1 1 = 1
–   Deep Sjeng WC2008 64-bit2836+13
−13
(−214)26 − 7
(+20−1=12)
78.8%
26.0 / 33
100.0%
−20
= 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-bit2835+18
−18
(−215)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
−6
= 1 1 1 1 1 = = 1 1 = = 1 1 1 1 1 = 0 1 1 1 = 1 1 = 1 = 1 = 1 = 1
–   Toga II 1.4.1SE2827+12
−12
(−223)35 − 9
(+29−3=12)
79.5%
35.0 / 44
100.0%
−9
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 1 = = 1 = 1 1 = = = 1 1
–   Grapefruit 1.0 32-bit2826+9
−9
(−224)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−11
= 1 1 1 = 1 = 1 1 = = 1 = 1 = = 1 1 = 1 = 1 1 1 = 1 1 1 = 1 1 1
–   Toga II 1.4.1SE62821+23
−23
(−229)39 − 5
(+34−0=10)
88.6%
39.0 / 44
100.0%
+75
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
(−231)50 − 7
(+45−2=10)
87.7%
50.0 / 57
100.0%
+82
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
(−232)25 − 10
(+20−5=10)
71.4%
25.0 / 35
100.0%
−82
= = = 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+14
−14
(−236)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
−72
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
(−240)16.5 − 1.5
(+15−0=3)
91.7%
16.5 / 18
100.0%
+121
1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1
–   Hiarcs 122809+14
−14
(−241)51 − 11
(+42−2=18)
82.3%
51.0 / 62
100.0%
−8
= = 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 0 1 1 1 = 1 1 1 1 1
–   Hiarcs Paderborn 20072796+18
−18
(−254)37.5 − 10.5
(+31−4=13)
78.1%
37.5 / 48
100.0%
−51
= 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-bit2781+16
−16
(−269)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+253
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 0.4a2776+10
−10
(−274)88 − 16
(+75−3=26)
84.6%
88.0 / 104
100.0%
−11
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 = 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
–   Glaurung 2.1 64-bit2769+20
−20
(−281)27 − 5
(+22−0=10)
84.4%
27.0 / 32
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
–   Thinker 5.3b Passive 64-bit2766+24
−24
(−284)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−38
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 4CPU2761+18
−18
(−289)34.5 − 0.5
(+34−0=1)
98.6%
34.5 / 35
100.0%
+364
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

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 3 64-bit
played with current
participants of this list
Represented by
1-2-CPU    70Rybka 4.1 64-bit
All    149Rybka 4 64-bit 4CPU
Single-CPU    70Rybka 4.1 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017