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

Options
Show each game results
Rybka 2.3.2a 64-bit 4CPU (3021+13
−13
)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 Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 64-bit 4CPU3238+13
−13
(+217)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
−11
= = 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 = = = = = 0 0 0 0 0 = 0 = 0 =
–   Houdini 1.5a 64-bit 4CPU3193+20
−20
(+172)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−55
0 1 0 0
–   Critter 1.6a 64-bit 4CPU3168+8
−8
(+147)10 − 34
(+0−24=20)
22.7%
10.0 / 44
0.0%
−23
0 0 = 0 = 0 0 0 0 0 0 = 0 0 0 = = = = = 0 = = = 0 0 = 0 0 0 = = 0 = = = = 0 0 0 = = 0 0
–   Stockfish 2.3.1 64-bit 4CPU3149+19
−19
(+128)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−29
0 = 0 =
–   Sting SF 4.8.4 64-bit 4CPU3140+29
−29
(+119)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+119
= =
–   Rybka 3 64-bit 4CPU3127+14
−14
(+106)14.5 − 37.5
(+1−24=27)
27.9%
14.5 / 52
0.0%
−25
= = 0 = 0 0 = 0 0 = = = 0 0 = 0 0 = = = = 0 1 = 0 0 0 = 0 0 0 = = = = = = 0 = 0 = 0 = = 0 = 0 = 0 0 = 0
–   Elektro 1.2 64-bit 4CPU3127+23
−23
(+106)4.5 − 14.5
(+0−10=9)
23.7%
4.5 / 19
0.0%
−58
0 0 = = 0 0 0 = 0 0 0 = = 0 0 = = = =
–   Sting SF 5 64-bit 4CPU3126+25
−25
(+105)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+105
= =
–   Rybka 3 Human 64-bit 4CPU3124+39
−38
(+103)1 − 5
(+0−4=2)
16.7%
1.0 / 6
0.0%
−123
0 0 0 = 0 =
–   IvanHoe 9.46h 64-bit 4CPU3120+14
−14
(+99)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−137
1 0 0 0
–   RobboLito 0.21Q 64-bit 4CPU3119+22
−22
(+98)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−52
0 = = 0
–   Hannibal 1.5 64-bit 4CPU3118+19
−19
(+97)10 − 12
(+3−5=14)
45.5%
10.0 / 22
0.0%
+75
= 0 = = = = 1 0 = = 1 = = = = 1 0 = = 0 0 =
–   Sting SF 2 64-bit 4CPU3115+27
−27
(+94)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−1
0 0 1 =
–   Bouquet 1.6 64-bit 4CPU3115+21
−21
(+94)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+26
0 = = =
–   NirvanaChess 2.1c 64-bit 4CPU3104+22
−23
(+83)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+225
= 1
–   Naum 4.6 64-bit 4CPU3104+14
−14
(+83)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−200
= 0 0 0
–   Chiron 2 64-bit 4CPU3093+15
−15
(+72)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+12
0 = 1 = 0 =
–   Texel 1.05 64-bit 4CPU3093+17
−17
(+72)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+164
1 = 0 1
–   Andscacs 0.82 64-bit 4CPU3090+29
−29
(+69)7.5 − 10.5
(+2−5=11)
41.7%
7.5 / 18
0.0%
+19
= = = = 1 0 1 = = = 0 0 0 = = = 0 =
–   Critter 0.90 64-bit 4CPU3085+31
−31
(+64)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+64
= =
–   Hannibal 1.4b 64-bit 4CPU3085+15
−15
(+64)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Protector 1.7.0 64-bit 4CPU3083+19
−19
(+62)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−80
= 0
–   Naum 4.2 64-bit 4CPU3068+10
−10
(+47)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Alfil 15.8 64-bit 4CPU3065+26
−26
(+44)5.5 − 10.5
(+1−6=9)
34.4%
5.5 / 16
0.2%
−45
= 0 = = = = 0 = 0 = 0 1 0 0 = =
–   NirvanaChess 2.0a 64-bit 4CPU3064+30
−30
(+43)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.6%
−113
0 =
–   Protector 1.5.0 64-bit 4CPU3063+18
−18
(+42)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+155
1 1 = = 0 1
–   Hiarcs 14 4CPU3061+13
−13
(+40)3 − 3
(+1−1=4)
50.0%
3.0 / 6
0.0%
+46
= 1 = 0 = =
–   Rybka 3 64-bit3050+12
−12
(+29)32.5 − 37.5
(+11−16=43)
46.4%
32.5 / 70
0.1%
+9
0 = = = 1 = 0 = = = = = = 1 1 0 = = 1 = = 0 0 1 0 0 = = 1 = = 0 1 = = 0 0 0 = = = = = 1 0 = 1 = 1 = = = 1 = = = = = = = = = = 0 = 0 0 = = 0
–   Gull R375 64-bit 4CPU3046+22
−22
(+25)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
3.4%
−34
= 0 = =
–   Deep Fritz 13 4CPU3041+16
−17
(+20)14 − 16
(+4−6=20)
46.7%
14.0 / 30
3.7%
+1
= = 0 = = = 1 = = = = 0 = 0 = = = 0 0 = 0 = = = 1 1 = 1 = =
–   Hannibal 1.3 64-bit 4CPU3040+22
−22
(+19)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
8.0%
−48
0 = = =
–   Deep Junior Yokohama 64-bit 4CPU3033+16
−16
(+12)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
15.0%
−278
0 = 0 0
–   Senpai 1.0 64-bit 4CPU3032+16
−16
(+11)2 − 2
(+1−1=2)
50.0%
2.0 / 4
16.2%
+11
= = 1 0
–   Andscacs 0.80 64-bit 4CPU3030+31
−31
(+9)5.5 − 3.5
(+2−0=7)
61.1%
5.5 / 9
30.4%
+71
= = = = 1 = 1 = =
–   Deep Junior 13.3 64-bit 4CPU3027+18
−18
(+6)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
30.2%
−151
0 =
–   Deep Shredder 12 64-bit 4CPU3024+10
−10
(+3)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
37.5%
+48
= = 1 1 = 0
–   Spike 1.4 Leiden 4CPU3024+11
−11
(+3)4 − 6
(+1−3=6)
40.0%
4.0 / 10
37.1%
−52
= = = 1 = = 0 0 0 =
–   Cheng 4.39 64-bit 4CPU3021+18
−19
(0)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
51.4%
−157
= 0
–   Texel 1.03 64-bit 4CPU3016+32
−32
(−5)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
62.4%
−80
= 0 1 = 0 0 0 0 1 = = =
–   Fizbo 1.5 64-bit 4CPU2999+27
−27
(−22)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
92.1%
−164
= 0
–   Cheng4 0.38 64-bit 4CPU2987+24
−24
(−34)10 − 7
(+3−0=14)
58.8%
10.0 / 17
99.1%
+7
= = = = = = = = = = 1 = 1 1 = = =
–   Spark 1.0 64-bit 4CPU2976+13
−13
(−45)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+112
= 1
–   Zappa Mexico II 64-bit 4CPU2973+10
−10
(−48)28 − 17
(+17−6=22)
62.2%
28.0 / 45
100.0%
+26
1 1 = = 1 = 0 1 1 = 1 0 = 1 = 1 1 1 = = 1 1 = = 0 = 0 = 0 1 = 1 = 1 1 = = 1 0 = = = = = =
–   Naum 3.1 64-bit 4CPU2972+18
−18
(−49)32 − 18
(+18−4=28)
64.0%
32.0 / 50
100.0%
+33
= 1 = 1 = = = 1 = = 1 = = 1 1 1 = 1 = = = = 1 0 = = 1 1 = = 1 0 = 1 1 = = 1 0 = = 1 = = 1 0 = 1 = =
–   Zappa Mexico 64-bit 4CPU2963+15
−15
(−58)91 − 68
(+48−25=86)
57.2%
91.0 / 159
100.0%
−15
= = = = 1 1 = = 1 0 = = 0 = = = = = = = 1 = = = = = 0 1 = 1 1 1 = = = 1 1 1 0 = = = = 0 0 1 1 1 1 0 = 1 = 1 = 1 0 1 = = = 0 1 = = 1 = = = = = 1 = 1 = = = = = = 1 = = = 0 0 0 1 = 0 0 = = 1 1 = 1 = 1 1 1 1 = = = = = 1 1 = = 0 0 = 1 = = 0 1 = = 1 0 = = = 1 1 0 1 = = 1 = 1 = 1 0 = 0 = = = = = 1 1 1 0 0 = 0 = = 1 = 1 0 =
–   Fizbo 1.31 64-bit 4CPU2961+30
−29
(−60)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+82
1 =
–   Naum 3 64-bit 4CPU2959+19
−19
(−62)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−21
= = = = = 1 1 = 1 = 1 = = = = = 1 = 1 0 = = = = 1 = = = = 0 = =
–   Zap!Chess Zanzibar 64-bit 4CPU2950+23
−23
(−71)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−10
= = = 1 1 0 = 1 1 1 1 1 = 0 1 0 1 1 1 = = = 1 = 1 0 = 0 = = = 1 = = 1 = 1 = 1 = = = 1 = = = 0 0 0 =
–   Onno 1.2.70 64-bit 4CPU2939+20
−20
(−82)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Fizbo 1.4 64-bit 4CPU2938+28
−28
(−83)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+5
0 = 1 0 = 1 1 1
–   Thinker 5.4d Inert 64-bit 4CPU2935+24
−24
(−86)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−86
= =
–   Toga II 3.0 4CPU2929+23
−23
(−92)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+50
1 =
–   Deep Shredder 11 64-bit 4CPU2920+12
−12
(−101)59 − 33
(+35−9=48)
64.1%
59.0 / 92
100.0%
−18
1 = 1 = = = = 1 1 = 1 = 1 = 1 = = 0 = = 1 1 = 1 1 1 = = 1 = = = = 1 = = = 1 = 1 1 = = 1 1 = 0 1 = = = = 1 = 1 0 1 0 = = 0 1 1 1 = = 0 1 = = 1 0 = = 0 = = 0 = 1 1 1 1 = 1 = 1 = = 1 = =
–   Crafty 23.8 64-bit 4CPU2909+34
−35
(−112)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−112
0 1
–   Toga II 1.4.1SE 4CPU2908+13
−13
(−113)25 − 11
(+19−5=12)
69.4%
25.0 / 36
100.0%
+18
= = 1 = 1 1 = 1 1 1 1 = = 1 1 = 0 = 1 1 1 1 = 1 = 1 0 1 0 1 = 0 = 1 1 0
–   Naum 2.2 64-bit 4CPU2906+17
−18
(−115)38.5 − 17.5
(+24−3=29)
68.8%
38.5 / 56
100.0%
−3
0 = = = 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
–   Hiarcs 12 4CPU2896+15
−15
(−125)40 − 15
(+26−1=28)
72.7%
40.0 / 55
100.0%
+12
= = = = 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 =
–   Hiarcs Paderborn 2007 4CPU2894+19
−19
(−127)27 − 11
(+19−3=16)
71.1%
27.0 / 38
100.0%
+7
1 1 0 1 = = 1 = = 1 1 = 1 = 1 = 1 = = = 1 = 1 = = 1 1 0 1 1 = 1 1 = 1 0 1 =
–   Hiarcs 12 Sharpen PV On 4CPU2893+21
−21
(−128)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
−7
= = 0 1 1 1 = = = 1 = 1 1 1 1 1 = 1 1 1 1 1 = 1 = = 1 = = 0 1 0 1 = 1 = = 1 = = = 1 = 0 0 = 1 1 1 =
–   Deep Fritz 10.1 4CPU2890+18
−18
(−131)26 − 8
(+20−2=12)
76.5%
26.0 / 34
100.0%
+44
1 1 = 1 = = 1 1 1 1 1 1 1 = = = = = 1 1 = 1 1 = 1 1 1 1 0 = 0 1 1 =
–   Toga II 1.4 beta5c 4CPU2887+18
−18
(−134)36 − 12
(+27−3=18)
75.0%
36.0 / 48
100.0%
+31
1 1 = = = 1 1 1 1 0 1 1 1 = = 1 1 1 = = = 1 = 1 0 1 0 = = 1 1 1 = 1 1 = 1 1 = = = 1 = 1 1 1 = 1
–   Hiarcs 11.1 4CPU2879+17
−17
(−142)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−27
= = 1 1 = 0 0 1 1 1 = = = 1 1 = 0 1 1 = 1 = 1 = 1 0 1 1 = 1 1 = 1 0 = 1 1 = = 0 = = 1 1 1 = = 1 = 1
–   Glaurung 2.1 64-bit 4CPU2873+19
−19
(−148)39 − 13
(+29−3=20)
75.0%
39.0 / 52
100.0%
+15
0 = 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
–   Naum 2.1 64-bit 4CPU2866+21
−21
(−155)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−39
1 = 1 0 = = 1 = = = 1 1 = 0 1 1 1 0 = 1 1 1 1 = = = = 0 1 = 1 1 1 = 1 = 1 1 0 = 1 0 = 1 = 1 = = 1 1
–   Hiarcs 11.2 4CPU2864+26
−27
(−157)31 − 9
(+27−5=8)
77.5%
31.0 / 40
100.0%
+52
= = 1 1 1 1 0 1 0 1 1 1 1 1 1 = 0 1 1 1 = 1 = 0 0 1 1 1 = 1 = 1 1 1 1 1 1 1 = 1
–   Loop M1-T 64-bit 4CPU2852+12
−11
(−169)38.5 − 17.5
(+26−5=25)
68.8%
38.5 / 56
100.0%
−53
= 1 1 = = = = = 1 1 = 1 = 0 1 = = 1 0 1 1 1 = 1 0 1 1 1 1 1 1 1 = = 1 = 1 = 1 = 1 0 1 = = = = = = = 1 = = 1 1 0
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2842+19
−19
(−179)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+12
= 1 1 = 1 = = = 1 = 1 = 1 = 1 1 1 = 1 1 1 = 1 1 = 1 1 1 0 1
–   Bright 0.3a 4CPU2833+18
−18
(−188)29 − 5
(+24−0=10)
85.3%
29.0 / 34
100.0%
+68
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 Shredder 10 64-bit 4CPU2833+17
−17
(−188)40.5 − 11.5
(+33−4=15)
77.9%
40.5 / 52
100.0%
+7
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 0 = 1 1 = 1 = 0 = = 1 = = = 1 1 1 1 1 1
–   Deep Fritz 10 4CPU2832+20
−20
(−189)43.5 − 11.5
(+34−2=19)
79.1%
43.5 / 55
100.0%
+9
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 0 1 = 1 1 = 1 1 1
–   Glaurung 2.0.1 64-bit 4CPU2831+17
−17
(−190)40 − 12
(+31−3=18)
76.9%
40.0 / 52
100.0%
−5
= 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 1 1 1 = 1 1 1
–   Bright 0.2c 4CPU2807+21
−21
(−214)28.5 − 6.5
(+23−1=11)
81.4%
28.5 / 35
100.0%
+5
1 1 1 1 1 = 1 1 0 1 = = = 1 = = 1 1 1 1 1 = 1 1 = 1 1 = 1 1 1 = = 1 1
–   Deep Junior 10 4CPU2805+14
−14
(−216)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+87
1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 0 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 =
–   Toga II 1.3.12790+11
−12
(−231)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
+13
1 1 1 = = = 1 1 1 = = 1 1 = = 1 1 1 1 1 1 1 = 1 1 1 = = 1 1 1 1
–   Fruit 2.3.12784+14
−14
(−237)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+7
= 1 1
–   Deep Sjeng 2.7 4CPU2782+18
−18
(−239)32.5 − 7.5
(+27−2=11)
81.3%
32.5 / 40
100.0%
−13
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 = = 1 = 1 1
–   Fruit 05/11/032773+20
−20
(−248)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−20
1 1 =
–   Glaurung 1.2.1 64-bit 4CPU2767+19
−19
(−254)46.5 − 6.5
(+40−0=13)
87.7%
46.5 / 53
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 1 1 1 = 1 1 = 1 = 1 1 1 1
–   Chess Tiger 2007.12703+10
−10
(−318)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.3.2a 64-bit 4CPU
played with current
participants of this list
Represented by
All    212Rybka 4 64-bit 4CPU
Free    44nothing

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