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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Rybka 1.2 64-bit (2898+19
−19
)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
–   Fizbo 1.7 64-bit3063+21
−21
(+165)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−65
0 0 = 0 0 1 0 = 0 0
–   Sting SF 8.1 64-bit3040+28
−28
(+142)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−58
0 = 0 = 0 = 0 = 0 0
–   Andscacs 0.81 64-bit3003+26
−26
(+105)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+105
= =
–   Nemorino 3.0 64-bit3000+21
−21
(+102)8 − 8
(+6−6=4)
50.0%
8.0 / 16
0.0%
+95
1 = 0 1 0 1 0 = 0 = 0 = 1 1 1 0
–   ChessBrainVB 3.502982+26
−26
(+84)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−20
1 0 = = 0 1 0 = 0 0
–   Pedone 1.6 64-bit2976+22
−22
(+78)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
0.0%
+4
= = = = = 0 = 0 = 0
–   Senpai 1.0 64-bit2963+13
−13
(+65)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+65
= =
–   Hiarcs 142962+11
−11
(+64)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+64
= =
–   Hakkapeliitta 3.0 64-bit2956+14
−13
(+58)5 − 7
(+2−4=6)
41.7%
5.0 / 12
0.0%
+1
0 = 0 0 0 1 = = 1 = = =
–   Arasan 19.2 64-bit2950+28
−28
(+52)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.1%
−93
= 0 = 0 = 0 0 = = 0
–   Deep Shredder 12 64-bit2942+9
−9
(+44)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
−45
0 = = 0 = =
–   Deep Sjeng c't 20102941+10
−10
(+43)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−99
0 =
–   SmarThink 1.80 64-bit2940+25
−25
(+42)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.5%
+14
= 0 1 1 = = 0 = = 0
–   Crafty 25.2 64-bit2937+17
−18
(+39)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
0.2%
+11
= = 0 = 0 = = 1 = =
–   Hannibal 1.3 32-bit2931+18
−18
(+33)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.9%
−194
1 0 0 0
–   Fizbo 1.4 64-bit2929+27
−27
(+31)6 − 6
(+4−4=4)
50.0%
6.0 / 12
3.3%
+31
= 0 0 1 0 1 = 0 1 = = 1
–   Laser 1.3 64-bit2925+24
−24
(+27)5 − 5
(+2−2=6)
50.0%
5.0 / 10
4.8%
+23
1 = = = 1 = = 0 0 =
–   Deep Junior 13.3 64-bit2924+17
−17
(+26)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
2.7%
+183
= 1
–   Gull 1.2 64-bit2920+15
−15
(+22)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
4.2%
+7
1 0 =
–   Spike 1.4 Leiden2920+8
−8
(+22)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
2.0%
+104
= 1 1 0
–   SmarThink 1.70 64-bit2919+16
−16
(+21)0 − 2
(+0−2=0)
0.0%
0.0 / 2
5.7%
−INF
0 0
–   Vajolet2 2.0 64-bit2918+19
−19
(+20)1 − 1
(+0−0=2)
50.0%
1.0 / 2
8.2%
+20
= =
–   Nemorino 1.02 64-bit2906+24
−24
(+8)5 − 5
(+3−3=4)
50.0%
5.0 / 10
32.3%
+8
= 1 0 = = 1 0 1 0 =
–   Protector 1.4.0 64-bit2904+15
−15
(+6)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
32.1%
+73
= = = 1
–   Quazar 0.4 64-bit2904+12
−12
(+6)1 − 1
(+1−1=0)
50.0%
1.0 / 2
30.4%
+6
0 1
–   DiscoCheck 5.2 64-bit2902+18
−18
(+4)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
40.3%
+161
1 =
–   Vajolet2 2.1 64-bit2897+24
−24
(−1)4 − 6
(+3−5=2)
40.0%
4.0 / 10
53.8%
−73
0 = 0 1 0 1 0 1 = 0
–   Booot 5.2.0 64-bit2895+15
−15
(−3)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
61.5%
+89
= 1 0 1
–   iCE 2.0 64-bit2893+17
−17
(−5)1 − 1
(+0−0=2)
50.0%
1.0 / 2
65.3%
−5
= =
–   Deuterium 14.3.34.130 64-bit2892+13
−13
(−6)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
71.0%
−148
0 =
–   Cheng4 0.38 64-bit2890+23
−23
(−8)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
69.7%
−150
= 0
–   Bobcat 7.6 64-bit2880+23
−23
(−18)6.5 − 3.5
(+3−0=7)
65.0%
6.5 / 10
88.8%
+58
= = 1 = 1 = = = = 1
–   Stockfish 1.5.1 32-bit2864+15
−15
(−34)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.7%
+48
= 1 1 0
–   Zap!Chess Paderborn 64-bit 4CPU2849+26
−26
(−49)24.5 − 25.5
(+8−9=33)
49.0%
24.5 / 50
99.9%
−53
1 1 0 0 = = = = = = = = 0 = = = = = = = 1 = = = = 1 = = = 0 = 0 = 0 0 = = = = 1 = = 1 0 1 = = 0 = 1
–   Naum 3 32-bit2849+19
−19
(−49)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+101
1 = = 1
–   Deep Shredder 10 64-bit 4CPU2833+17
−17
(−65)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
+73
= 1 0 1 = 1 1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 1 0 0 = 1 = 0 1 =
–   Murka 3 64-bit2825+13
−13
(−73)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+22
1 = 0 1
–   Rybka 1.0 64-bit2824+15
−14
(−74)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+31
1 1 1 0 1 = 1 = = 1 = = = 1 1 = = = 1 0 1 = = 1 1 = 1 = 1 = = 0
–   Deep Junior 10 4CPU2805+14
−14
(−93)16 − 14
(+10−8=12)
53.3%
16.0 / 30
100.0%
−69
1 = = 1 0 1 1 0 0 1 = 0 1 1 0 = 0 1 1 = = = = 0 1 0 = = = =
–   Zap!Chess Zanzibar 64-bit2803+26
−26
(−95)8.5 − 6.5
(+6−4=5)
56.7%
8.5 / 15
100.0%
−44
= 1 = 0 = = 1 = 0 0 1 1 0 1 1
–   Hiarcs 11.12790+15
−15
(−108)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
100.0%
+110
= 1 1
–   Fritz 102778+15
−15
(−120)23 − 7
(+19−3=8)
76.7%
23.0 / 30
100.0%
+70
1 = 1 1 1 1 1 = 1 1 1 = = 1 1 1 1 = = 1 1 1 = 0 1 0 = 1 1 0
–   Toga II 1.2.1a 32-bit2760+12
−12
(−138)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−19
= 1 1 1 = 1 = = 1 = 1 1 1 0 1 1 = = 1 1 1 = = 1 = 1 = = = 0 0 =
–   Hiarcs X50 Hypermodern2757+30
−30
(−141)21 − 9
(+17−5=8)
70.0%
21.0 / 30
100.0%
+2
0 1 = 0 = 1 1 1 1 1 1 1 1 1 = 0 = 1 = = = 1 0 1 1 1 1 1 0 =
–   Hiarcs X502744+19
−19
(−154)20 − 10
(+15−5=10)
66.7%
20.0 / 30
100.0%
−39
0 = 1 = 1 1 0 1 1 1 = = = 1 1 0 1 = 1 = = 1 1 1 1 = 0 0 1 =
–   Fritz 92742+14
−14
(−156)41.5 − 18.5
(+30−7=23)
69.2%
41.5 / 60
100.0%
−34
1 = = 1 = 1 1 = = 1 1 0 = 1 = 0 1 1 1 = 1 1 = = 0 = 1 1 1 0 1 = = 0 = = 1 1 = 1 1 1 = 1 = 0 = 1 = 1 0 1 = 1 1 1 1 = = 1
–   Fruit 2.2.12742+14
−14
(−156)50 − 10
(+41−1=18)
83.3%
50.0 / 60
100.0%
+82
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 0 = = = 1 1
–   Hiarcs 102740+16
−16
(−158)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+24
= = 1 1 1 1 = = 1 1 1 1 0 = 1 = = 1 1 1 1 = 1 0 = = 1 1 1 1
–   Hiarcs 10 Hypermodern2717+20
−20
(−181)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+64
= 1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 1 = = 1 = 1 1 1 = 1 1 1 1 1
–   Spike 1.12689+15
−15
(−209)22 − 7
(+17−2=10)
75.9%
22.0 / 29
100.0%
−33
1 = = = 1 = 1 1 0 1 1 1 0 1 = 1 1 = 1 1 = 1 1 1 1 = 1 = =
–   Zap!Chess Paderborn 32-bit2681+21
−21
(−217)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
−32
1 0 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 = 1 = 1 = 1 0 = 1 1 1 1 1
–   SmarThink 1.00 32-bit2664+15
−15
(−234)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
−32
= = 1 1 0 1 1 = 1 = 1 1 1 = 1 0 = 1 1 1 1 1 1 = 1 = 1 = 1 1
–   Ktulu 7.52663+16
−16
(−235)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
−51
1 1 1 = = = = 1 1 0 1 1 1 1 1 0 = 1 = = = = = 1 1 1 1 1 1 1
–   CM10th Xperience2660+13
−13
(−238)24 − 4
(+20−0=8)
85.7%
24.0 / 28
100.0%
+28
= 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 = = = 1 1 1 = 1 1 1 1 1
–   Chess Tiger 152635+17
−17
(−263)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
−16
= = = 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1 1 1 1 0 1 1 1 1 1 1 = 1
–   Chess Tiger 15 Gambit2633+33
−33
(−265)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+1
= 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 1
–   Gandalf 62632+12
−12
(−266)27 − 3
(+24−0=6)
90.0%
27.0 / 30
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 1 = =
–   CM10th Default2632+15
−15
(−266)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
−27
1 1 1 1 = 1 1 1 1 1 0 0 = = 1 = = 1 1 1 = 1 1 1 1 1 1 1 1 =
–   Naum 1.91 64-bit2608+15
−15
(−290)26.5 − 3.5
(+24−1=5)
88.3%
26.5 / 30
100.0%
+33
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
–   Aristarch 4.502596+12
−12
(−302)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
−34
1 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 = 1 1 = 1 0 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 1.2 64-bit
played with current
participants of this list
Represented by
1-2-CPU    138Rybka 4.1 64-bit
All    98Rybka 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