CCRL 40/4
Downloads and Statistics
August 28, 2010
Testing summary:
Total: 670'332 games
played by 925 programs
10177 CPU days (X2 4600+)

White wins: 259'771 (38.8%)
Black wins: 206'654 (30.8%)
Draws: 203'907 (30.4%)
White score: 54.0%

Engine Details

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Bison 9.11 64-bit#24  (2850+17
−17		)Quote
Author: Ivan Bonkin (Russia) Link: Download Page
This is one of the 4 Bison versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Stockfish 1.8 64-bit3166+27
−27		(+316)2.5 − 31.5
(+1−30=3)
7.4%
2.5 / 34
0.0%
−100
0 0 = 0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 = 0 0
–   Stockfish 1.7.1 64-bit3142+13
−13		(+292)2.5 − 27.5
(+0−25=5)
8.3%
2.5 / 30
0.0%
−69
0 0 0 = 0 = = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 0 0
–   Rybka 2.3.2a 64-bit3074+7
−7		(+224)4 − 28
(+1−25=6)
12.5%
4.0 / 32
0.0%
−82
0 0 0 = 0 0 0 0 0 = = 0 0 0 0 0 0 0 0 0 0 0 = 0 0 = 0 0 0 = 0 1
–   Komodo 1.2 64-bit3068+13
−13		(+218)6 − 26
(+2−22=8)
18.8%
6.0 / 32
0.0%
−14
= 0 0 0 0 = 0 = 0 = = 0 0 = 0 0 = 0 0 0 0 0 0 = 1 0 0 0 0 1 0 0
–   Critter 0.70 64-bit3064+17
−17		(+214)5 − 27
(+3−25=4)
15.6%
5.0 / 32
0.0%
−80
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 = 0 0 0 = 0 0 0 = 0 1 = 0
–   Rybka 2.2n2 64-bit3034+18
−17		(+184)6.5 − 23.5
(+1−18=11)
21.7%
6.5 / 30
0.0%
−4
0 = 0 0 = = 0 0 0 0 0 = 0 = 0 0 = 0 = 0 = 0 0 = 0 1 = 0 0 =
–   Thinker 5.4c Inert 64-bit2983+9
−10		(+133)7.5 − 22.5
(+4−19=7)
25.0%
7.5 / 30
0.0%
−50
0 1 0 0 0 0 0 0 0 = 1 0 = = 0 1 0 0 = 0 = 0 0 0 = = 0 0 0 1
–   Spark 0.4 64-bit2981+11
−11		(+131)10 − 22
(+4−16=12)
31.3%
10.0 / 32
0.0%
+6
0 = 0 = 0 = = 0 0 = 0 0 0 1 0 = 0 1 0 1 0 = = = = 0 0 0 1 = 0 =
–   Protector 1.3.5 64-bit2950+18
−18		(+100)10.5 − 19.5
(+5−14=11)
35.0%
10.5 / 30
0.0%
0
= = 0 1 = = = 1 = = 0 0 0 0 0 = 0 0 0 0 0 1 1 = 0 = 1 = 0 0
–   Toga II 1.4.1SE2922+10
−10		(+72)12.5 − 17.5
(+9−14=7)
41.7%
12.5 / 30
0.0%
+11
0 = 1 1 0 0 1 1 0 0 = = 1 0 1 0 1 0 0 1 1 0 = 0 = 0 0 0 = =
–   Bright 0.5c2880+13
−13		(+30)13 − 17
(+7−11=12)
43.3%
13.0 / 30
0.2%
−10
= 0 1 0 1 0 = 0 0 = 1 = 0 = 1 = = 0 0 0 0 = 1 1 1 = = = = 0
–   Bright 0.4a2877+9
−9		(+27)12.5 − 17.5
(+7−12=11)
41.7%
12.5 / 30
0.2%
−25
= 0 0 0 1 = 1 1 1 0 0 1 = = 0 = = 0 1 0 = 0 = 0 = 0 1 0 = =
–   Umko 0.9 64-bit2870+15
−15		(+20)15.5 − 14.5
(+12−11=7)
51.7%
15.5 / 30
3.9%
+31
0 = 0 1 1 1 1 = 1 = 0 0 0 0 = 0 0 0 1 1 1 1 1 = 1 0 = 0 = 1
–   Twisted Logic 20090922 64-bit2868+12
−12		(+18)16 − 14
(+12−10=8)
53.3%
16.0 / 30
3.9%
+41
1 = 0 1 0 1 = 1 0 0 1 1 0 1 = 0 = = 1 = 0 1 = 1 1 1 0 0 0 =
–   Chronos 1.9.9 64-bit2836+15
−15		(−14)15.5 − 14.5
(+7−6=17)
51.7%
15.5 / 30
90.1%
−6
0 1 0 = = = = 1 = 0 1 = 1 = 0 = = = 1 1 1 = = = 0 = = 0 = =
–   Spike 1.2 Turin2827+5
−5		(−23)15.5 − 14.5
(+9−8=13)
51.7%
15.5 / 30
99.6%
−13
0 0 0 = = = = 1 = 0 = 0 1 1 0 1 0 1 1 = = 1 = = 0 = 1 1 = =
–   Crafty 23.2 64-bit2820+15
−15		(−30)21 − 9
(+17−5=8)
70.0%
21.0 / 30
99.7%
+111
1 1 1 1 1 1 1 1 1 = 0 0 = 1 1 1 = = 1 0 = 0 1 0 1 = = 1 1 =
–   Naum 2.0 32-bit2799+7
−8		(−51)15 − 15
(+9−9=12)
50.0%
15.0 / 30
100.0%
−51
0 = 1 0 1 0 0 1 = = 1 = 0 1 1 = = 0 = 1 0 = = 1 0 1 = 0 = =
–   Naum 2.0 64-bit2793+11
−11		(−57)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
+57
= 0 1 1 = 1 = 1 = 0 0 0 1 1 1 1 1 = = 1 1 1 = 1 1 = 0 1 1 0
–   Delfi 5.42786+13
−13		(−64)20.5 − 9.5
(+19−8=3)
68.3%
20.5 / 30
100.0%
+86
1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 = = 0 = 1 1 1 0
–   Scorpio 2.5 64-bit2781+13
−14		(−69)18.5 − 11.5
(+16−9=5)
61.7%
18.5 / 30
100.0%
+19
1 1 = 0 1 1 0 1 1 1 0 0 1 = = = 0 1 0 1 0 1 1 0 1 1 = 0 1 1
–   Frenzee Feb08 64-bit2778+12
−12		(−72)19.5 − 8.5
(+17−6=5)		69.6%
19.5 / 28
100.0%
+79
= 1 1 1 1 1 1 0 1 1 = 1 1 1 = 0 1 0 = 1 1 0 0 1 0 1 = 1
–   BugChess2 1.6.4 64-bit2772+14
−14		(−78)19.5 − 10.5
(+16−7=7)
65.0%
19.5 / 30
100.0%
+29
1 = 1 0 1 1 1 1 1 0 = 0 1 = 1 1 = 1 0 1 0 = 0 1 = 1 = 1 1 0
–   Booot 4.15.02764+11
−11		(−86)19 − 11
(+15−7=8)
63.3%
19.0 / 30
100.0%
+10
1 0 1 0 1 1 = = = 0 0 = = 1 1 0 1 1 1 0 = 1 1 1 = 1 1 = 0 1
–   Alaric 7072760+8
−8		(−90)19 − 11
(+16−8=6)
63.3%
19.0 / 30
100.0%
+8
= 1 1 0 1 0 0 0 1 0 = 1 1 0 = = 1 = 1 1 0 1 1 = 1 1 1 0 1 1
–   Colossus 2008b2747+11
−11		(−103)16 − 14
(+12−10=8)
53.3%
16.0 / 30
100.0%
−79
1 0 0 0 0 0 1 0 1 = 1 1 0 1 = 0 = = 1 0 1 = 1 1 0 1 = 1 = =
–   Cyrano 06b17 64-bit2746+15
−15		(−104)20.5 − 9.5
(+17−6=7)
68.3%
20.5 / 30
100.0%
+31
1 1 1 1 = = 1 1 0 = 1 1 = 0 1 0 0 = 1 1 1 = 1 1 1 1 0 0 1 =
–   E.T. Chess 13.01.082740+9
−9		(−110)18 − 12
(+15−9=6)
60.0%
18.0 / 30
100.0%
−36
= 0 1 1 1 = 1 1 1 0 1 = = = 1 1 1 0 0 0 0 1 1 0 1 1 1 0 = 0
–   Chronos 1.9.72737+14
−14		(−113)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
+6
1 = 1 0 1 1 1 = 1 1 = 1 1 1 1 0 0 = = 1 1 = = 1 0 = 1 0 0 1
–   WildCat 82737+11
−11		(−113)18.5 − 10.5
(+15−7=7)		63.8%
18.5 / 29
100.0%
−18
= = 1 1 1 1 1 0 = 1 0 1 0 1 1 = 1 = 1 = 1 1 1 = 0 1 0 0 0
–   Movei 00.8.438 (10 10 10)2730+9
−9		(−120)25 − 5
(+24−4=2)
83.3%
25.0 / 30
100.0%
+180
1 0 1 1 1 1 1 1 1 1 1 1 1 1 = 0 1 1 1 1 1 1 0 0 1 1 1 = 1 1
–   Sloppy 0.2.2 64-bit2722+14
−14		(−128)18 − 12
(+13−7=10)
60.0%
18.0 / 30
100.0%
−60
1 0 1 = 0 0 1 1 0 1 1 1 1 = 0 = 1 1 = 1 = = 1 = = = 1 0 = 0
–   Alfil 8.1.1 Optimized2715+10
−10		(−135)19.5 − 10.5
(+16−7=7)
65.0%
19.5 / 30
100.0%
−26
1 1 1 = = = 1 1 0 0 = 1 1 1 1 1 1 1 = 1 0 0 0 1 = 1 0 1 0 =
–   Pro Deo 1.22715+10
−10		(−135)18 − 12
(+13−7=10)
60.0%
18.0 / 30
100.0%
−68
= = = = 1 0 1 1 0 1 = = 0 1 = 0 1 1 0 0 1 1 1 = 1 1 1 0 = =
–   Slow Chess Blitz WV2.12713+7
−7		(−137)22.5 − 7.5
(+19−4=7)
75.0%
22.5 / 30
100.0%
+49
= = 1 = 1 1 1 = 0 0 = 1 1 1 1 = 1 0 1 1 1 1 0 1 1 = 1 1 1 1
–   Zappa 1.1 64-bit2706+13
−13		(−144)20.5 − 7.5
(+18−5=5)		73.2%
20.5 / 28
100.0%
+37
= 0 1 1 1 0 = 1 = 1 1 0 1 1 = 1 1 1 = 1 0 1 1 1 1 1 1 0
–   Pharaon 3.5.12700+10
−10		(−150)20.5 − 9.5
(+18−7=5)
68.3%
20.5 / 30
100.0%
−8
= 1 0 1 0 = 1 1 1 1 0 1 1 1 1 1 1 0 = 1 1 0 0 1 0 1 = = 1 1
–   Amyan 1.722694+16
−16		(−156)20 − 10
(+15−5=10)
66.7%
20.0 / 30
100.0%
−42
= 1 1 = = 1 0 = = = 1 0 1 = 1 1 1 = 1 0 1 = 1 = 1 0 1 1 1 0
–   Hamsters 0.712686+16
−16		(−164)24 − 6
(+22−4=4)
80.0%
24.0 / 30
100.0%
+82
1 1 1 1 1 1 1 1 1 1 1 1 0 = 1 0 1 1 = = 1 0 1 1 = 1 1 0 1 1
–   Ruffian 1.0.52681+10
−10		(−169)19.5 − 10.5
(+17−8=5)
65.0%
19.5 / 30
100.0%
−51
1 = = 1 1 1 1 0 1 1 1 = 0 = 1 0 0 1 0 0 1 0 1 = 0 1 1 1 1 1
–   Pseudo 0.7c2675+10
−10		(−175)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+120
= 1 1 1 0 1 1 = 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = = 1 1
–   Deuterium 09.01.26.4922662+18
−19		(−188)21.5 − 8.5
(+18−5=7)
71.7%
21.5 / 30
100.0%
−27
1 1 1 = 1 = 1 1 0 = 1 = = 1 1 1 1 1 1 1 0 0 1 0 1 1 1 0 = =
–   Jonny 2.83 32-bit2654+11
−11		(−196)23 − 7
(+21−5=4)
76.7%
23.0 / 30
100.0%
+18
= 1 1 1 1 1 1 0 1 0 1 = 1 1 1 1 = 1 = 1 1 0 1 1 1 0 0 1 1 1
–   Arasan 11.7 64-bit2646+15
−14		(−204)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+14
1 1 = 1 = 1 1 = 1 1 1 1 1 1 1 = = 1 0 = 1 0 1 = 1 1 = 1 1 1
–   Ktulu 4.22637+13
−13		(−213)17.5 − 8.5
(+14−5=7)		67.3%
17.5 / 26
100.0%
−86
1 1 0 = = 1 0 1 1 1 1 1 0 = 1 1 1 0 1 = = 1 = 0 1 =
–   Green Light Chess 3.01.2.22614+15
−15		(−236)23 − 7
(+20−4=6)
76.7%
23.0 / 30
100.0%
−33
= 1 = = 1 1 1 1 1 = 1 1 1 0 = 1 1 = 1 1 1 0 0 1 1 1 1 0 1 1
1383 games: 591 wins, 449 losses, 343 draws (24.8%), score: 55.1%

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Bison 9.11 64-bit
played with current
participants of this list		Represented by
1-2-CPU#222860661itself
All#222856601itself
Free#132853865itself
Free 1-2-CPU#132847871itself
Free single-CPU#1328551113itself
Single-CPU#222864967itself
Created in 2005-2008 by CCRL team
Last games added on August 28, 2010