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 1.2 32-bit (2871+18
−18
)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
–   Alfil 15.7 64-bit3058+14
−14
(+187)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
+29
0 = 0 = 0 =
–   Gull R375 64-bit2987+20
−20
(+116)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−34
= = 0 0
–   Vajolet2 2.3 64-bit2956+20
−20
(+85)4 − 8
(+0−4=8)
33.3%
4.0 / 12
0.0%
−4
0 0 = = = = = = 0 0 = =
–   Deep Shredder 12 64-bit2942+9
−9
(+71)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+71
= = 1 0
–   Rodent III 0.210 64-bit2936+26
−26
(+65)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.0%
−36
0 = = = = 0 = 0
–   Wasp 2.01 64-bit2926+20
−20
(+55)6 − 10
(+2−6=8)
37.5%
6.0 / 16
0.0%
−21
0 0 1 0 0 = 0 = 0 = = 1 = = = =
–   Crafty 25.1 64-bit2918+36
−36
(+47)5 − 5
(+3−3=4)
50.0%
5.0 / 10
1.1%
+51
= 1 = 0 = 1 1 = 0 0
–   Rodent III 0.172 64-bit2909+22
−22
(+38)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.5%
−109
= 0 0 0 0 = 0 1 0 1
–   Hannibal 1.2 32-bit2904+15
−15
(+33)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.3%
−117
= = 0 0
–   Protector 1.4.0 64-bit2904+15
−15
(+33)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.3%
+33
= = = =
–   Spark 1.0 64-bit2894+12
−12
(+23)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
2.3%
+105
1 1 0 =
–   Rybka 2.2 32-bit2886+17
−17
(+15)13.5 − 16.5
(+3−6=21)
45.0%
13.5 / 30
10.9%
−11
= 1 = = 0 = 0 0 = = = 0 0 1 = = = = = 0 = = = = = = = = 1 =
–   Quazar 0.4 32-bit2881+12
−12
(+10)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
20.0%
−273
0 0 0 =
–   Rybka 2.1 32-bit2867+23
−22
(−4)13 − 17
(+5−9=16)
43.3%
13.0 / 30
62.4%
−42
= = = 1 0 = 0 = = 0 = = 1 0 = = 0 = 0 = 0 1 = 0 = 0 = = 1 1
–   Stockfish 1.5.1 32-bit2864+15
−15
(−7)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
72.5%
−89
0 1 = 0
–   Thinker 5.4d Inert 64-bit2862+17
−17
(−9)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
75.9%
−76
= 0 = =
–   Dirty 30Apr2017 64-bit2861+20
−20
(−10)7 − 9
(+3−5=8)
43.8%
7.0 / 16
76.0%
−44
1 1 = = = 0 = 0 0 0 0 = = 1 = =
–   Rybka 1.1 32-bit2854+18
−18
(−17)16 − 14
(+7−5=18)
53.3%
16.0 / 30
90.6%
−1
= = 0 = = 1 = = 0 = 1 = 1 = = = = 1 1 1 = = 0 = 0 = 0 1 = =
–   EXchess 7.71b 64-bit2853+22
−22
(−18)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
89.5%
+6
0 = = = = = 1 1 = =
–   Toga II 3.02851+16
−16
(−20)7 − 7
(+5−5=4)
50.0%
7.0 / 14
95.0%
−20
0 0 = 1 0 1 0 = 1 = 0 1 = 1
–   Naum 3 32-bit2849+19
−19
(−22)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
95.5%
+37
= 1 = =
–   Deep Shredder 10 64-bit 4CPU2833+17
−17
(−38)18 − 12
(+11−5=14)
60.0%
18.0 / 30
99.9%
+26
= 1 1 0 = 0 = = = 1 = = = 1 1 1 = 1 = 1 0 1 = = 0 0 1 1 = =
–   Nemo 1.0.1 32-bit2795+29
−29
(−76)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−76
= 1 0 =
–   Toga II 1.3.12790+11
−12
(−81)29 − 21
(+19−11=20)
58.0%
29.0 / 50
100.0%
−30
= 0 1 0 = 1 1 1 = 0 = 1 = 1 = 1 = = 0 = 1 = 1 1 1 1 1 1 1 1 0 = = 1 1 = = 0 = = 0 = 0 = 0 0 1 = 0 =
–   Hiarcs 112776+25
−25
(−95)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−84
= 1 = 0
–   Shredder 102771+13
−13
(−100)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+90
= = 1 1 1
–   Loop 10.32f2765+19
−19
(−106)11.5 − 6.5
(+7−2=9)
63.9%
11.5 / 18
100.0%
−17
= = 1 = 1 = 1 = 1 = 1 = 1 = 1 = 0 0
–   Toga II 1.2.1a 32-bit2760+12
−12
(−111)24 − 11
(+16−3=16)
68.6%
24.0 / 35
100.0%
+1
1 0 = = = 0 = = 1 = = = 1 0 1 1 1 = 1 = = = 1 1 1 1 = = = 1 1 1 = 1 1
–   Spike 1.2 Turin2746+7
−7
(−125)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−5
1 =
–   Junior 102744+13
−13
(−127)19 − 9
(+13−3=12)
67.9%
19.0 / 28
100.0%
−10
1 = = 1 0 1 0 1 = = 0 = 1 1 1 = = 1 = 1 = 1 = = 1 1 1 =
–   Hiarcs X502744+19
−19
(−127)24 − 12
(+16−4=16)
66.7%
24.0 / 36
100.0%
−23
0 = = 1 = 1 = = 1 = 1 = = 0 0 1 = 1 = 1 = = = 1 1 1 1 1 0 = = 1 1 1 1 =
–   Naum 2.1 32-bit2743+20
−20
(−128)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−9
0 1 = = 1 = 1 1
–   Fruit 2.2.12742+14
−14
(−129)24 − 8
(+18−2=12)
75.0%
24.0 / 32
100.0%
+36
= 0 1 1 = 1 1 1 1 1 = = = 1 = 1 = = = 1 = 1 1 1 1 1 1 1 = 1 = 0
–   Fritz 92742+14
−14
(−129)23.5 − 7.5
(+21−5=5)
75.8%
23.5 / 31
100.0%
+72
0 1 1 0 1 1 1 0 = 1 = 1 1 1 1 1 0 1 0 1 1 = 1 = 1 = 1 1 1 1 1
–   Hiarcs 102740+16
−16
(−131)29 − 20
(+19−10=20)
59.2%
29.0 / 49
100.0%
−70
1 1 = 1 = = = 0 1 1 0 0 = 1 1 1 0 = 1 = 1 0 0 1 = 1 = = = = = 0 0 = 1 0 = 1 1 = 1 = 0 = = 1 = 1 1
–   Toga II 1.2 32-bit2735+25
−25
(−136)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−105
=
–   Hiarcs X54 32-bit2731+32
−32
(−140)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+53
1 1 = = = 1 1 = 1 1 = 0 1 1 1 1
–   Hiarcs 10 Hypermodern2717+20
−20
(−154)23.5 − 7.5
(+17−1=13)
75.8%
23.5 / 31
100.0%
+11
= = = 1 1 1 1 = = 1 = = 1 1 = = = 1 1 1 1 = 0 1 1 1 1 = 1 = 1
–   Ktulu 82704+9
−9
(−167)34 − 9
(+28−3=12)
79.1%
34.0 / 43
100.0%
+40
= 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 =
–   Fritz 8 Bilbao2700+28
−28
(−171)13.5 − 4.5
(+12−3=3)
75.0%
13.5 / 18
100.0%
+24
1 1 = = = 1 1 1 0 1 0 1 0 1 1 1 1 1
–   Naum 2.0 32-bit2697+15
−15
(−174)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Spike 1.12689+15
−15
(−182)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+75
0 1 1 1 1 1 1 1 1 = = = = 1 1 = 1 1 = 1 = 1 1 1 1 1 1 1 1 = 1 1
–   Zap!Chess Paderborn 32-bit2681+21
−21
(−190)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+24
1 = 1 = 1 = 1 = = 1 = 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 = =
–   Junior 92676+17
−17
(−195)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−195
0 1
–   Zap!Chess Paderborn SE 32-bit2669+34
−34
(−202)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+66
= 1 1 1
–   SmarThink 1.00 32-bit2664+15
−15
(−207)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+9
0 1 = = 1 1 = 1 1 1 = = 1 = 1 1 1 1 1 1 1 = 1 1 = 0 1 = 1 1 1 1
–   Ktulu 7.52663+16
−16
(−208)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+39
0 1 1 1 = 1 1 1 1 1 1 = 1 1 1 = = = 1 1 = 1 1 = 1 1 1 = 1 1
–   CM10th Xperience2660+13
−13
(−211)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
−99
1 1 = 1 = 0 1 = = = = 1 = = 1 = 1 = 1 = 0 1 1 = = 1 = 1 = 1
–   Glaurung 1.2.1 32-bit2655+16
−16
(−216)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−185
1 0
–   CM10th Magic II2646+16
−16
(−225)26 − 5
(+23−2=6)
83.9%
26.0 / 31
100.0%
+43
1 = = 1 1 1 1 1 = 0 1 1 1 1 1 1 1 = 1 = 1 1 0 1 1 1 1 = 1 1 1
–   CM10th Ogre2646+24
−24
(−225)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Scorpio 1.82640+20
−20
(−231)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+52
1 1 = 1
–   Slow Chess Blitz WV2.12638+11
−12
(−233)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   CM10th Pestilence2637+25
−25
(−234)3.5 − 1.5
(+2−0=3)
70.0%
3.5 / 5
100.0%
−129
1 = = 1 =
–   Chess Tiger 152635+17
−17
(−236)26.5 − 4.5
(+23−1=7)
85.5%
26.5 / 31
100.0%
+36
1 1 = 1 1 1 1 1 = = 1 1 1 1 1 = = 1 = 1 1 1 1 1 = 0 1 1 1 1 1
–   Glaurung 1.0.2 32-bit2634+17
−17
(−237)25 − 6
(+22−3=6)
80.6%
25.0 / 31
100.0%
+2
1 0 1 1 1 1 = 1 1 1 = 1 1 = 1 = 1 1 1 1 0 1 1 = 0 1 = 1 1 1 1
–   Chess Tiger 15 Gambit2633+33
−33
(−238)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   CM10th Warrior2633+25
−25
(−238)2 − 1
(+2−1=0)
66.7%
2.0 / 3
100.0%
−81
0 1 1
–   CM10th Default2632+15
−15
(−239)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
−39
= = = = 1 1 1 1 0 0 1 1 1 = 1 1 1 = 1 = = 1 1 1 1 1 1 1 1 =
–   Gandalf 62632+12
−12
(−239)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+34
= 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
–   Hiarcs 92628+19
−20
(−243)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+46
= 1 1 1 = 1 1 1
–   Glaurung 1.1 32-bit2625+32
−33
(−246)5 − 0
(+5−0=0)
100.0%
5.0 / 5
100.0%
+INF
1 1 1 1 1
–   Ruffian 2.1.02621+13
−13
(−250)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−99
1 1 = =
–   Scorpio 1.72611+33
−33
(−260)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Naum 1.91 32-bit2604+15
−15
(−267)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Delfi 5.02598+20
−20
(−273)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+16
1 1 = 1
–   Aristarch 4.502596+12
−12
(−275)27.5 − 2.5
(+26−1=3)
91.7%
27.5 / 30
100.0%
+118
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
–   Delfi 4.62593+31
−31
(−278)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   WildCat 62593+21
−21
(−278)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−247
=
–   Pseudo 0.7c2590+13
−13
(−281)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−123
1 =
–   ProDeo 1.12589+31
−31
(−282)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−102
= 1
–   Zappa 1.1 32-bit2581+29
−29
(−290)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Pharaon 3.32576+32
−33
(−295)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Jonny 2.83 32-bit2575+17
−17
(−296)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   SOS 5.12561+14
−14
(−310)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Anaconda 2.0.12554+27
−27
(−317)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   The Baron 1.7.02545+34
−34
(−326)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   E.T. Chess 18.11.052519+28
−28
(−352)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 20.13 32-bit2511+35
−35
(−360)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 20.14 32-bit2510+28
−28
(−361)3 − 0
(+3−0=0)
100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Movei 00.8.2952506+29
−29
(−365)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 20.11 32-bit2502+35
−35
(−369)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Ufim 7.012488+32
−32
(−383)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 1.2 32-bit
played with current
participants of this list
Represented by
1-2-CPU    138Rybka 4.1 64-bit
32-bit    78Rybka 4.1 32-bit
32-bit 1-2-CPU    82Rybka 4.1 32-bit
32-bit single-CPU    82Rybka 4.1 32-bit
All    118Rybka 4 64-bit 4CPU
Single-CPU    138Rybka 4.1 64-bit

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