CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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Bison 9.8 32-bit (2616+32
−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
(+89)10 − 15
(+5−10=10)
40.0%
10.0 / 25
0.0%
+25
0 0 = = 0 = = 1 = 1 0 0 = = 0 0 1 1 0 = = 0 0 = 1
–   Cheese 1.8 64-bit2684+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
(+41)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
2.0%
+71
=
–   E.T. Chess 13.01.082649+13
−13
(+33)1 − 4
(+0−3=2)
20.0%
1.0 / 5
3.0%
−157
= 0 0 0 =
–   Colossus 2008b2643+12
−12
(+27)2 − 2
(+1−1=2)
50.0%
2.0 / 4
6.2%
+27
1 = = 0
–   Chronos 1.9.72640+20
−20
(+24)9 − 13
(+6−10=6)
40.9%
9.0 / 22
10.4%
−42
1 0 0 0 = = 0 = 1 0 1 = 0 0 1 = 1 = 0 0 1 0
–   Crafty 23.0 32-bit2630+29
−29
(+14)2.5 − 4.5
(+2−4=1)
35.7%
2.5 / 7
26.0%
−95
0 1 1 0 = 0 0
–   Nawito 19062630+20
−20
(+14)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
23.4%
+54
= 0 = 1 = = = 1
–   WildCat 82629+13
−13
(+13)3 − 5
(+1−3=4)
37.5%
3.0 / 8
23.3%
−60
= 1 0 = 0 = 0 =
–   WildCat 72628+14
−14
(+12)7 − 7
(+5−5=4)
50.0%
7.0 / 14
25.5%
+12
0 = = 1 = 0 0 1 1 0 1 = 0 1
–   Ruffian 2.1.02623+13
−13
(+7)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
33.5%
+26
= = = 1 = = 0 0 = 0 1 = 1 1
–   BugChess2 1.6.3 32-bit2620+19
−19
(+4)21.5 − 18.5
(+14−11=15)
53.8%
21.5 / 40
41.0%
+28
= = = 0 1 0 1 = 1 = 1 = 0 = = 1 = 1 1 0 = 0 = 0 0 0 1 0 1 1 = 1 1 = 0 1 1 0 = =
–   Hamsters 0.7.12618+13
−14
(+2)3 − 1
(+2−0=2)
75.0%
3.0 / 4
45.7%
+151
= = 1 1
–   Monolith 0.4 64-bit2609+19
−19
(−7)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
64.4%
−68
1 0 1 0 = 0
–   Alfil 8.1.12601+14
−14
(−15)24.5 − 16.5
(+20−12=9)
59.8%
24.5 / 41
80.0%
+57
0 0 = 1 = = 1 = = 1 1 0 1 1 0 = 0 0 1 1 0 1 1 1 1 1 0 1 1 = 1 1 1 = 0 0 1 1 = 0 0
–   Sloppy 0.2.2 32-bit2599+14
−14
(−17)5 − 3
(+2−0=6)
62.5%
5.0 / 8
82.5%
+46
= = = = 1 = = 1
–   The Baron 2.23 32-bit2594+17
−17
(−22)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
87.5%
+23
1 = 1 0 0 1 1 0
–   The Baron 1.8.12592+23
−23
(−24)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
89.0%
−35
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+16
−16
(−37)1 − 3
(+1−3=0)
25.0%
1.0 / 4
97.7%
−271
0 0 0 1
–   Critter 0.40 32-bit2576+32
−31
(−40)2 − 2
(+1−1=2)
50.0%
2.0 / 4
95.7%
−40
1 0 = =
–   Rotor 0.52565+17
−17
(−51)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
99.7%
−8
1 1 0 0 = = 1 =
–   Zurichess Glarus 64-bit2559+27
−27
(−57)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
99.6%
−123
0 1 0 0 1 =
–   Anaconda 2.0.12555+27
−27
(−61)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.8%
−16
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 January 24, 2021