CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

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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 4CPU3237+13
−13
(+216)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
−12
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 4CPU3192+20
−20
(+171)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−56
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 4CPU3148+19
−19
(+127)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−30
0 = 0 =
–   Sting SF 4.8.4 64-bit 4CPU3139+29
−29
(+118)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+118
= =
–   Rybka 3 64-bit 4CPU3126+14
−14
(+105)14.5 − 37.5
(+1−24=27)
27.9%
14.5 / 52
0.0%
−26
= = 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 4CPU3126+23
−23
(+105)4.5 − 14.5
(+0−10=9)
23.7%
4.5 / 19
0.0%
−59
0 0 = 0 0 0 = = 0 0 = = = = 0 0 = = 0
–   Sting SF 5 64-bit 4CPU3125+25
−25
(+104)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+104
= =
–   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 4CPU3119+14
−14
(+98)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−138
1 0 0 0
–   RobboLito 0.21Q 64-bit 4CPU3118+22
−22
(+97)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−53
0 = = 0
–   Hannibal 1.5 64-bit 4CPU3117+19
−19
(+96)10 − 12
(+3−5=14)
45.5%
10.0 / 22
0.0%
+74
= = 1 0 = = 1 = = = = 1 0 = = 0 0 = = = = 0
–   Sting SF 2 64-bit 4CPU3114+27
−27
(+93)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−2
0 0 1 =
–   Bouquet 1.6 64-bit 4CPU3114+21
−21
(+93)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+25
0 = = =
–   Naum 4.6 64-bit 4CPU3102+14
−14
(+81)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−202
0 = 0 0
–   NirvanaChess 2.1c 64-bit 4CPU3102+22
−23
(+81)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+223
= 1
–   Chiron 2 64-bit 4CPU3092+15
−14
(+71)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+11
0 = 0 = 1 =
–   Texel 1.05 64-bit 4CPU3091+17
−17
(+70)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+162
0 1 1 =
–   Andscacs 0.82 64-bit 4CPU3088+29
−29
(+67)7.5 − 10.5
(+2−5=11)
41.7%
7.5 / 18
0.0%
+17
= = = 0 = = = = = = 1 0 1 = = 0 0 0
–   Critter 0.90 64-bit 4CPU3084+31
−31
(+63)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+63
= =
–   Hannibal 1.4b 64-bit 4CPU3084+15
−15
(+63)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Protector 1.7.0 64-bit 4CPU3082+19
−19
(+61)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−81
= 0
–   Naum 4.2 64-bit 4CPU3066+10
−10
(+45)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   NirvanaChess 2.0a 64-bit 4CPU3063+30
−30
(+42)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.7%
−114
0 =
–   Protector 1.5.0 64-bit 4CPU3062+18
−18
(+41)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+154
0 1 1 1 = =
–   Alfil 15.8 64-bit 4CPU3062+23
−23
(+41)5.5 − 10.5
(+1−6=9)
34.4%
5.5 / 16
0.1%
−48
0 = = = = 0 = = 0 = 0 1 0 0 = =
–   Hiarcs 14 4CPU3060+13
−13
(+39)3 − 3
(+1−1=4)
50.0%
3.0 / 6
0.0%
+45
= = = 0 = 1
–   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 4CPU3045+22
−22
(+24)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
3.7%
−35
= 0 = =
–   Deep Fritz 13 4CPU3040+16
−17
(+19)14 − 16
(+4−6=20)
46.7%
14.0 / 30
3.9%
0
= 1 = = = = 0 = 0 = = = = = 0 = = 0 0 = 0 = = = 1 1 = 1 = =
–   Hannibal 1.3 64-bit 4CPU3039+22
−22
(+18)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
8.4%
−49
0 = = =
–   Deep Junior Yokohama 64-bit 4CPU3031+16
−16
(+10)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
16.9%
−280
0 0 0 =
–   Senpai 1.0 64-bit 4CPU3030+16
−16
(+9)2 − 2
(+1−1=2)
50.0%
2.0 / 4
20.2%
+9
= 1 0 =
–   Andscacs 0.80 64-bit 4CPU3029+31
−31
(+8)5.5 − 3.5
(+2−0=7)
61.1%
5.5 / 9
31.3%
+70
= = = 1 = 1 = = =
–   Deep Junior 13.3 64-bit 4CPU3024+18
−18
(+3)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
37.8%
−154
0 =
–   Deep Shredder 12 64-bit 4CPU3023+10
−10
(+2)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
38.8%
+47
= 0 = 1 = 1
–   Spike 1.4 Leiden 4CPU3022+11
−11
(+1)4 − 6
(+1−3=6)
40.0%
4.0 / 10
43.9%
−54
0 = = = = 1 0 0 = =
–   Texel 1.03 64-bit 4CPU3014+32
−32
(−7)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
63.8%
−82
= 0 0 0 0 1 = = = = 0 1
–   Cheng 4.39 64-bit 4CPU3012+18
−17
(−9)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
77.9%
−166
= 0
–   Fizbo 1.5 64-bit 4CPU2998+27
−27
(−23)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
93.1%
−165
= 0
–   Cheng4 0.38 64-bit 4CPU2986+24
−24
(−35)10 − 7
(+3−0=14)
58.8%
10.0 / 17
99.2%
+6
= = = = = = = = = 1 = 1 1 = = = =
–   Spark 1.0 64-bit 4CPU2974+13
−13
(−47)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+110
= 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 0 = = = = 1 = = =
–   Naum 3.1 64-bit 4CPU2971+18
−18
(−50)32 − 18
(+18−4=28)
64.0%
32.0 / 50
100.0%
+32
= 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 4CPU2961+15
−15
(−60)91 − 68
(+48−25=86)
57.2%
91.0 / 159
100.0%
−17
= 1 1 = 1 = 1 1 1 1 = = = = = 1 1 = = 0 0 = 1 = = 0 1 = = 1 0 = = = 1 = = = = 1 1 = = 1 0 = = 0 = = = = = = = 1 = = = = = 0 1 0 1 = = 1 = 1 = 1 0 = 0 = = = = = 1 1 1 0 0 = 0 = = 1 = 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 =
–   Fizbo 1.31 64-bit 4CPU2960+30
−29
(−61)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+81
1 =
–   Naum 3 64-bit 4CPU2958+19
−19
(−63)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−22
= = = = = 1 1 = 1 = 1 = = = = = 1 = 1 0 = = = = 1 = = = = 0 = =
–   Zap!Chess Zanzibar 64-bit 4CPU2949+23
−23
(−72)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−11
= = = 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 =
–   Fizbo 1.4 64-bit 4CPU2937+28
−28
(−84)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+4
1 1 1 0 = 1 0 =
–   Onno 1.2.70 64-bit 4CPU2937+20
−20
(−84)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Thinker 5.4d Inert 64-bit 4CPU2931+23
−23
(−90)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−90
= =
–   Toga II 3.0 4CPU2928+23
−23
(−93)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+49
1 =
–   Deep Shredder 11 64-bit 4CPU2919+12
−12
(−102)59 − 33
(+35−9=48)
64.1%
59.0 / 92
100.0%
−19
1 = 1 = = 1 = 0 1 1 1 = = 0 1 = = 1 0 = = 0 = = 0 = 1 1 1 1 = 1 = 1 = = 1 = = = = = 1 = = = 1 = 1 1 = = 1 1 = 0 1 = = = = 1 = 1 0 1 0 = = 1 = = = = 1 1 = 1 = 1 = 1 = = 0 = = 1 1 = 1 1
–   Crafty 23.8 64-bit 4CPU2908+34
−35
(−113)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−113
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+18
−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 = = = 0 1 = 1 1 1 = = = = = = 1 = = 1 1 = 1 = = = = = = 1 1 = 1 1 1 0 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 4CPU2892+21
−21
(−129)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
−8
= = 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 0 = 0 1 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 4CPU2878+17
−17
(−143)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−28
= = 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 4CPU2872+19
−19
(−149)39 − 13
(+29−3=20)
75.0%
39.0 / 52
100.0%
+14
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+27
−27
(−157)31 − 9
(+27−5=8)
77.5%
31.0 / 40
100.0%
+52
1 = 1 1 1 1 1 = = 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
–   Loop M1-T 64-bit 4CPU2852+12
−12
(−169)38.5 − 17.5
(+26−5=25)
68.8%
38.5 / 56
100.0%
−53
0 = 1 1 = = = = = 1 1 = 1 = 0 1 = = 1 0 1 1 1 1 1 1 1 1 = = 1 = 1 = 1 = 1 0 1 = = = = = = = 1 = = 1 1 0 1 = 1 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2841+19
−19
(−180)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+11
= 1 1 = 1 = = = 1 = 1 = 1 = 1 1 1 = 1 1 1 = 1 1 = 1 1 1 0 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 = 1 1 0 = 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
–   Bright 0.3a 4CPU2832+18
−18
(−189)29 − 5
(+24−0=10)
85.3%
29.0 / 34
100.0%
+67
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 2.0.1 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 = = 1 1 1 1 1 1 1 = 1 1 0 1 = = = 1 = = 1 1 1 1 1
–   Deep Junior 10 4CPU2804+14
−14
(−217)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+86
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+12
−11
(−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 2.3.12785+14
−14
(−236)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+8
= 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 05/11/032774+20
−20
(−247)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
−19
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 2007.12704+10
−10
(−317)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    206Rybka 4 64-bit 4CPU
Free    44nothing

Created in 2005-2013 by CCRL team
Last games added on January 13, 2018