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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Bison 9.8 32-bit (2614+33
−33
)Quote
Author: Ivan Bonkin (Russia) Link: Download Page
This is one of the 5 Bison versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Critter 0.42 32-bit2705+25
−25
(+91)10 − 15
(+5−10=10)
40.0%
10.0 / 25
0.0%
+27
0 0 = = 0 = = 1 = 1 0 0 = = 0 0 1 1 0 = = 0 0 = 1
–   Cheese 1.8 64-bit2682+20
−20
(+68)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.0%
−32
= = = = = 0 0 0
–   BugChess2 1.6.4 32-bit2657+22
−22
(+43)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
1.8%
+73
=
–   E.T. Chess 13.01.082647+14
−14
(+33)1 − 4
(+0−3=2)
20.0%
1.0 / 5
3.5%
−157
0 0 = = 0
–   Colossus 2008b2642+13
−13
(+28)2 − 2
(+1−1=2)
50.0%
2.0 / 4
6.0%
+28
1 = 0 =
–   Chronos 1.9.72639+20
−20
(+25)9 − 13
(+6−10=6)
40.9%
9.0 / 22
10.1%
−41
1 0 0 = 1 0 1 = 0 0 0 = = 0 = 1 0 1 = 0 0 1
–   Crafty 23.0 32-bit2629+29
−29
(+15)2.5 − 4.5
(+2−4=1)
35.7%
2.5 / 7
24.8%
−94
0 = 1 1 0 0 0
–   WildCat 82628+14
−14
(+14)3 − 5
(+1−3=4)
37.5%
3.0 / 8
23.1%
−59
= = 0 1 = 0 0 =
–   WildCat 72624+15
−15
(+10)7 − 7
(+5−5=4)
50.0%
7.0 / 14
29.4%
+10
0 = = 1 = 0 0 1 1 0 1 = 0 1
–   Ruffian 2.1.02621+13
−13
(+7)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
35.3%
+26
= = = 1 = = 0 0 = 0 1 = 1 1
–   Hamsters 0.7.12619+14
−14
(+5)3 − 1
(+2−0=2)
75.0%
3.0 / 4
39.2%
+154
= 1 1 =
–   BugChess2 1.6.3 32-bit2619+19
−19
(+5)21.5 − 18.5
(+14−11=15)
53.8%
21.5 / 40
38.8%
+29
= 0 = 0 = 0 0 0 1 0 1 1 = 1 1 = 0 1 1 0 = = = = = 1 1 1 = = 0 1 0 1 = 1 = 1 = 0
–   Alfil 8.1.12600+14
−14
(−14)24.5 − 16.5
(+20−12=9)
59.8%
24.5 / 41
78.0%
+58
= 0 0 1 1 1 1 1 0 1 1 = 1 1 1 = 0 0 1 1 = 0 0 0 1 0 1 0 0 = 1 = = 1 = = 1 1 0 1 1
–   Sloppy 0.2.2 32-bit2598+14
−14
(−16)5 − 3
(+2−0=6)
62.5%
5.0 / 8
80.7%
+47
1 = = = = = 1 =
–   The Baron 2.23 32-bit2594+16
−16
(−20)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
86.0%
+25
1 1 = 1 1 0 0 0
–   The Baron 1.8.12591+23
−23
(−23)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
87.8%
−34
= = 0 = = 1 0 = 0 1 = = 0 1 1 = 0 0 0 0 1 1 = 1 1 1 0 0 0 1 0 1
–   Petir 4.9999992577+16
−16
(−37)1 − 3
(+1−3=0)
25.0%
1.0 / 4
97.5%
−271
0 0 1 0
–   Critter 0.40 32-bit2575+32
−31
(−39)2 − 2
(+1−1=2)
50.0%
2.0 / 4
95.2%
−39
1 = 0 =
–   Rotor 0.52564+17
−17
(−50)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
99.6%
−7
1 = = = 1 1 0 0
–   Zurichess Glarus 64-bit2556+27
−27
(−58)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
99.6%
−124
1 = 0 1 0 0
–   Anaconda 2.0.12554+27
−27
(−60)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.8%
−15
= 1 0 1 = = 1 1 1 1 0 = 1 0 0 0 0 1 = 0 1 1 0 1 1 1 0 = = 1 0 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Bison 9.8 32-bit
played with current
participants of this list
Represented by
1-2-CPU    45Bison 9.11 64-bit
32-bit    102Bison 9.11 32-bit
32-bit 1-2-CPU    102Bison 9.11 32-bit
32-bit single-CPU    102Bison 9.11 32-bit
All    45Bison 9.11 64-bit
Free    45Bison 9.11 64-bit
Free 1-2-CPU    45Bison 9.11 64-bit
Free 32-bit    102Bison 9.11 32-bit
Free 32-bit 1-2-CPU    102Bison 9.11 32-bit
Free 32-bit single-CPU    102Bison 9.11 32-bit
Free single-CPU    45Bison 9.11 64-bit
Single-CPU    45Bison 9.11 64-bit

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