CCRL 40/40
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 1'048'225 games
played by 2'458 programs
143565 CPU days (X2 4600+)

White wins: 364'320 (34.8%)
Black wins: 271'251 (25.9%)
Draws: 412'654 (39.4%)
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-bit2706+25
−25
(+92)10 − 15
(+5−10=10)
40.0%
10.0 / 25
0.0%
+28
1 0 0 = = 0 = = 1 = 1 0 0 = = 0 0 1 1 0 = = 0 0 =
–   Cheese 1.8 64-bit2684+20
−20
(+70)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.0%
−30
= 0 0 0 = = = =
–   BugChess2 1.6.4 32-bit2657+22
−22
(+43)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
1.6%
+73
=
–   E.T. Chess 13.01.082649+13
−13
(+35)1 − 4
(+0−3=2)
20.0%
1.0 / 5
2.7%
−155
= 0 = 0 0
–   Colossus 2008b2643+13
−13
(+29)2 − 2
(+1−1=2)
50.0%
2.0 / 4
5.2%
+29
= = 0 1
–   Chronos 1.9.72640+20
−20
(+26)9 − 13
(+6−10=6)
40.9%
9.0 / 22
8.8%
−40
= 0 0 0 = = 0 = 1 0 1 = 0 0 1 0 1 1 0 = 1 0
–   Crafty 23.0 32-bit2630+29
−29
(+16)2.5 − 4.5
(+2−4=1)
35.7%
2.5 / 7
23.1%
−93
0 0 0 0 1 1 =
–   WildCat 82629+13
−13
(+15)3 − 5
(+1−3=4)
37.5%
3.0 / 8
20.2%
−58
0 = 0 = = 1 = 0
–   WildCat 72625+15
−14
(+11)7 − 7
(+5−5=4)
50.0%
7.0 / 14
27.5%
+11
0 = = 1 = 0 0 1 1 0 1 = 0 1
–   Ruffian 2.1.02623+13
−13
(+9)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
29.8%
+28
= = = 1 = = 0 0 = 0 1 = 1 1
–   BugChess2 1.6.3 32-bit2620+19
−19
(+6)21.5 − 18.5
(+14−11=15)
53.8%
21.5 / 40
37.0%
+30
1 = = 0 1 0 1 = 1 = 1 = 0 1 1 0 = 0 = 0 0 0 1 0 1 1 = 1 1 = 0 1 1 0 = = = = = =
–   Hamsters 0.7.12618+14
−14
(+4)3 − 1
(+2−0=2)
75.0%
3.0 / 4
40.3%
+153
= 1 1 =
–   Monolith 0.4 64-bit2607+19
−19
(−7)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
63.9%
−68
1 0 1 0 = 0
–   Alfil 8.1.12601+14
−14
(−13)24.5 − 16.5
(+20−12=9)
59.8%
24.5 / 41
76.4%
+59
0 0 = 1 = = 1 = = 1 1 0 1 0 1 0 1 1 1 1 1 0 1 1 = 1 1 1 = 0 0 1 1 = 0 0 0 1 1 = 0
–   Sloppy 0.2.2 32-bit2599+14
−14
(−15)5 − 3
(+2−0=6)
62.5%
5.0 / 8
79.3%
+48
= = 1 = = = = 1
–   The Baron 2.23 32-bit2594+17
−17
(−20)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
84.7%
+25
0 0 0 1 1 = 1 1
–   The Baron 1.8.12591+23
−23
(−23)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
87.1%
−34
1 1 = 1 1 1 0 0 0 1 0 1 = = 0 = = 1 0 = 0 1 = = 0 1 1 = 0 0 0 0
–   Petir 4.9999992579+15
−15
(−35)1 − 3
(+1−3=0)
25.0%
1.0 / 4
96.9%
−269
1 0 0 0
–   Critter 0.40 32-bit2576+32
−32
(−38)2 − 2
(+1−1=2)
50.0%
2.0 / 4
94.7%
−38
0 = = 1
–   Rotor 0.52565+17
−17
(−49)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
99.5%
−6
0 0 1 1 = 1 = =
–   Zurichess Glarus 64-bit2558+27
−27
(−56)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
99.5%
−122
1 = 0 1 0 0
–   Anaconda 2.0.12555+27
−27
(−59)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.7%
−14
1 1 0 1 1 1 0 = = 1 0 = = 1 0 1 = = 1 1 1 1 0 = 1 0 0 0 0 1 = 0

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Created in 2005-2013 by CCRL team
Last games added on May 25, 2019