CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Show each game results
Bison 9.11 32-bit (2730+12
−12		)Quote
Author: Ivan Bonkin (Russia) Link: Download Page
This is one of the 5 Bison versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Critter 1.01 32-bit3053+14
−14		(+323)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
+30
–   Stockfish 2.0.1 32-bit3045+13
−13		(+315)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Stockfish 1.7.1 64-bit3038+18
−18		(+308)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Stockfish 1.8 32-bit3020+13
−13		(+290)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.0%
+290
–   Stockfish 1.7.1 32-bit3013+12
−12		(+283)10 − 58
(+3−51=14)
14.7%
10.0 / 68
0.0%
−1
–   Stockfish 1.6.3 64-bit2994+16
−16		(+264)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Rybka 2.3.2a 64-bit2986+9
−9		(+256)1 − 2
(+0−1=2)		33.3%
1.0 / 3
0.0%
+136
–   Critter 0.80 32-bit2946+13
−13		(+216)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Komodo 1.0 64-bit2942+12
−12		(+212)0.5 − 4.5
(+0−4=1)		10.0%
0.5 / 5
0.0%
−121
–   Komodo 1.3 32-bit2938+14
−14		(+208)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Spike 1.4 Leiden2935+6
−6		(+205)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−87
–   Rybka 2.3.2a 32-bit2933+7
−7		(+203)7 − 23
(+0−16=14)
23.3%
7.0 / 30
0.0%
+22
–   Komodo 1.2 32-bit2916+12
−12		(+186)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
+104
–   Protector 1.4.0 32-bit2897+9
−9		(+167)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Critter 0.70 32-bit2897+17
−17		(+167)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−84
–   Gull 1.2 32-bit2896+10
−10		(+166)3.5 − 4.5
(+1−2=5)		43.8%
3.5 / 8
0.0%
+128
–   Gull 0.12a 32-bit2888+18
−18		(+158)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−131
–   Hannibal 1.1 32-bit2887+11
−11		(+157)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−133
–   Komodo 1.0 32-bit2885+14
−14		(+155)10 − 24
(+4−18=12)
29.4%
10.0 / 34
0.0%
+1
–   Thinker 5.4d Inert 64-bit2881+13
−13		(+151)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−15
–   Spark 1.0 32-bit2880+9
−9		(+150)3 − 1
(+2−0=2)		75.0%
3.0 / 4
0.0%
+316
–   Thinker 5.4d Inert 32-bit2871+8
−8		(+141)12 − 34
(+3−25=18)
26.1%
12.0 / 46
0.0%
−32
–   Doch 1.3.4 32-bit2870+18
−18		(+140)11 − 19
(+5−13=12)
36.7%
11.0 / 30
0.0%
+39
–   Gull 0.11a 32-bit2862+18
−18		(+132)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+131
–   Booot 5.1.02860+8
−8		(+130)2 − 3
(+1−2=2)		40.0%
2.0 / 5
0.0%
+63
–   Protector 1.3.4 64-bit2858+20
−20		(+128)1 − 4
(+0−3=2)		20.0%
1.0 / 5
0.0%
−75
–   Critter 0.60 64-bit2855+21
−21		(+125)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−45
–   Spark 0.3 64-bit2849+15
−15		(+119)2 − 3
(+1−2=2)		40.0%
2.0 / 5
0.0%
+41
–   Critter 0.60 32-bit2845+20
−20		(+115)10.5 − 23.5
(+5−18=11)
30.9%
10.5 / 34
0.0%
−29
–   Protector 1.3.5 32-bit2841+12
−12		(+111)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
+35
–   Protector 1.3.4 32-bit2838+13
−13		(+108)13 − 22
(+6−15=14)
37.1%
13.0 / 35
0.0%
+11
–   Grapefruit 1.0 32-bit2838+8
−8		(+108)13 − 30
(+5−22=16)
30.2%
13.0 / 43
0.0%
−36
–   Spark 0.4 32-bit2834+14
−14		(+104)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
0.0%
−12
–   Deep Junior 11.2 32-bit2832+17
−17		(+102)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Toga II 3.1.2SE2827+15
−15		(+97)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+62
–   Critter 0.52b 64-bit2825+23
−23		(+95)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+94
–   Protector 1.3.1b 32-bit2812+20
−20		(+82)11.5 − 18.5
(+6−13=11)
38.3%
11.5 / 30
0.0%
−7
–   Spark 0.3a 32-bit2810+14
−14		(+80)3 − 1
(+2−0=2)		75.0%
3.0 / 4
0.0%
+250
–   Hannibal 1.0a 32-bit2810+10
−10		(+80)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.0%
−47
–   Spark 0.3 32-bit2808+14
−14		(+78)11.5 − 18.5
(+4−11=15)
38.3%
11.5 / 30
0.0%
−5
–   Doch 09.980 32-bit2807+16
−16		(+77)10 − 20
(+4−14=12)
33.3%
10.0 / 30
0.0%
−47
–   Onno 1.2.70 32-bit2795+15
−15		(+65)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+65
–   MinkoChess 1.2 32-bit2788+12
−12		(+58)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Bright 0.5c2786+11
−11		(+56)16 − 23
(+7−14=18)
41.0%
16.0 / 39
0.0%
−7
–   Critter 0.52b 32-bit2781+23
−23		(+51)4 − 3
(+3−2=2)		57.1%
4.0 / 7
0.0%
+108
–   Loop 13.6 (Loop 2007)2780+8
−8		(+50)16 − 21
(+8−13=16)
43.2%
16.0 / 37
0.0%
−1
–   Naraku 1.42779+13
−13		(+49)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−88
–   Twisted Logic 20100131x 64-bit2778+13
−13		(+48)1 − 4
(+1−4=0)		20.0%
1.0 / 5
0.0%
−244
–   Ktulu 92758+10
−10		(+28)8 − 6
(+6−4=4)		57.1%
8.0 / 14
0.0%
+84
–   Scorpio 2.7 32-bit2752+17
−17		(+22)18 − 16
(+12−10=12)
52.9%
18.0 / 34
1.9%
+44
–   Critter 0.52 32-bit2751+24
−24		(+21)8.5 − 12.5
(+3−7=11)		40.5%
8.5 / 21
6.0%
−45
–   Spike 1.2 Turin2750+6
−6		(+20)20.5 − 22.5
(+11−13=19)
47.7%
20.5 / 43
0.1%
+2
–   MinkoChess 1.0 32-bit2750+24
−24		(+20)3 − 3
(+2−2=2)		50.0%
3.0 / 6
7.7%
+28
–   SmarThink 1.20 32-bit2750+14
−14		(+20)5.5 − 9.5
(+2−6=7)		36.7%
5.5 / 15
1.4%
−77
–   Tornado 4.4 32-bit2745+20
−20		(+15)10.5 − 19.5
(+6−15=9)
35.0%
10.5 / 30
10.2%
−101
–   Twisted Logic 20100131x 32-bit2742+15
−15		(+12)27 − 19
(+15−7=24)
58.7%
27.0 / 46
10.6%
+71
–   Chronos 1.9.9 32-bit2741+14
−14		(+11)26.5 − 32.5
(+16−22=21)
44.9%
26.5 / 59
11.4%
−26
–   MinkoChess 1.1 32-bit2740+22
−22		(+10)5 − 5
(+3−3=4)		50.0%
5.0 / 10
20.6%
+10
–   Jonny 4.002734+8
−8		(+4)13.5 − 10.5
(+8−5=11)		56.3%
13.5 / 24
29.9%
+48
–   BugChess2 1.9 32-bit2733+18
−18		(+3)8 − 15
(+5−12=6)		34.8%
8.0 / 23
40.1%
−114
–   Crafty 23.4 32-bit2732+17
−17		(+2)22 − 22
(+13−13=18)
50.0%
22.0 / 44
42.1%
+3
–   Frenzee 3.5.19 32-bit2725+24
−24		(−5)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
64.1%
+72
–   Crafty 23.3 32-bit2720+26
−26		(−10)2 − 3
(+1−2=2)		40.0%
2.0 / 5
76.9%
−87
–   Critter 0.42 32-bit2706+22
−22		(−24)3 − 1
(+2−0=2)		75.0%
3.0 / 4
97.1%
+142
–   Chessmaster 11 Archangel2706+15
−15		(−24)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
99.4%
−194
–   Scorpio 2.6 32-bit2704+22
−22		(−26)4 − 6
(+2−4=4)		40.0%
4.0 / 10
98.0%
−94
–   Chess Tiger 2007.12703+8
−8		(−27)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
100.0%
+36
–   Crafty 23.2 32-bit2701+26
−26		(−29)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
97.5%
−82
–   Chessmaster 11 Aiglos II2699+15
−15		(−31)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−201
–   Booot 4.15.12697+23
−23		(−33)9.5 − 8.5
(+6−5=7)		52.8%
9.5 / 18
99.4%
−13
–   Fruit 2.12693+22
−22		(−37)18 − 14
(+11−7=14)
56.3%
18.0 / 32
99.9%
+12
–   Frenzee Feb08 32-bit2692+11
−11		(−38)4 − 2
(+2−0=4)		66.7%
4.0 / 6
100.0%
+65
–   Booot 4.15.02692+11
−11		(−38)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+124
–   BugChess2 1.7 32-bit2690+20
−20		(−40)11 − 7
(+7−3=8)		61.1%
11.0 / 18
100.0%
+41
–   Chessmaster 11 Conqueror2690+14
−14		(−40)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+130
–   Delfi 5.42688+10
−10		(−42)9.5 − 10.5
(+6−7=7)		47.5%
9.5 / 20
100.0%
−57
–   Chessmaster 11 Toxic2684+16
−16		(−46)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−208
–   Crafty 23.1 32-bit2683+16
−16		(−47)17 − 21
(+8−12=18)
44.7%
17.0 / 38
100.0%
−80
–   Chessmaster 11 Leonidas2672+16
−16		(−58)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+104
–   Scorpio 2.5 32-bit2670+24
−24		(−60)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+231
–   Naraku 1.312668+25
−25		(−62)8 − 4
(+5−1=6)		66.7%
8.0 / 12
100.0%
+50
–   Deuterium 10.01.27.2132663+19
−19		(−67)3 − 2
(+2−1=2)		60.0%
3.0 / 5
100.0%
−1
–   Chessmaster 112663+10
−10		(−67)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+95
–   Daydreamer 1.75 32-bit2662+14
−14		(−68)24 − 19
(+14−9=20)
55.8%
24.0 / 43
100.0%
−27
–   Movei 00.8.438 (10 10 10)2662+9
−9		(−68)28 − 16
(+20−8=16)
63.6%
28.0 / 44
100.0%
+38
–   Dirty 25Aug2011 32-bit2661+20
−20		(−69)4.5 − 7.5
(+1−4=7)		37.5%
4.5 / 12
100.0%
−155
–   CM10th Ogre2655+17
−17		(−75)6 − 2
(+4−0=4)		75.0%
6.0 / 8
100.0%
+89
–   Alaric 7072654+9
−9		(−76)21 − 16
(+16−11=10)
56.8%
21.0 / 37
100.0%
−20
–   Bobcat 2.75 32-bit2654+21
−21		(−76)11 − 3
(+9−1=4)		78.6%
11.0 / 14
100.0%
+140
–   BugChess2 1.6.4 32-bit2653+19
−19		(−77)7.5 − 4.5
(+5−2=5)		62.5%
7.5 / 12
100.0%
+16
–   E.T. Chess 13.01.082644+11
−11		(−86)11 − 7
(+8−4=6)		61.1%
11.0 / 18
100.0%
0
–   Gaviota 0.83 64-bit 4CPU2643+21
−21		(−87)37 − 13
(+31−7=12)
74.0%
37.0 / 50
100.0%
+102
–   Cyrano 0.6b17 32-bit2639+12
−12		(−91)6.5 − 5.5
(+5−4=3)		54.2%
6.5 / 12
100.0%
−55
–   Colossus 2008b2638+11
−11		(−92)29.5 − 19.5
(+20−10=19)
60.2%
29.5 / 49
100.0%
−14
–   CM10th Guardian2637+18
−18		(−93)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+196
–   Chronos 1.9.72634+17
−17		(−96)7 − 9
(+3−5=8)		43.8%
7.0 / 16
100.0%
−140
–   CM10th Warrior2633+20
−20		(−97)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+69
–   Slow Chess Blitz WV2.12631+10
−10		(−99)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+193
–   RedQueen 1.0.0 32-bit2629+21
−21		(−101)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−101
–   WildCat 82620+11
−11		(−110)7.5 − 8.5
(+5−6=5)		46.9%
7.5 / 16
100.0%
−136
–   RedQueen 1.1.1 64-bit2614+24
−24		(−116)13.5 − 6.5
(+11−4=5)		67.5%
13.5 / 20
100.0%
+28
–   Deuterium 11.01.28.1592608+17
−17		(−122)14 − 4
(+11−1=6)		77.8%
14.0 / 18
100.0%
+81
–   Hamsters 0.7.12605+11
−11		(−125)13 − 7
(+11−5=4)		65.0%
13.0 / 20
100.0%
+5
–   Tornado 3.6.7 32-bit2604+24
−24		(−126)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−114
–   Pharaon 3.5.12604+11
−11		(−126)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+45
–   Dirty 24Apr2011 32-bit2600+24
−24		(−130)8 − 1
(+7−0=2)		88.9%
8.0 / 9
100.0%
+182
–   Alfil 8.1.12590+12
−12		(−140)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+150
–   Deuterium 09.01.26.4922589+20
−20		(−141)10 − 6
(+7−3=6)		62.5%
10.0 / 16
100.0%
−44
–   Sloppy 0.2.2 32-bit2587+12
−12		(−143)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+83
–   The Baron 2.23 32-bit2582+14
−14		(−148)9.5 − 4.5
(+7−2=5)		67.9%
9.5 / 14
100.0%
−8
–   Amyan 1.722580+10
−10		(−150)11.5 − 7.5
(+8−4=7)		60.5%
11.5 / 19
100.0%
−70
–   Aristarch 4.512578+28
−28		(−152)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−152
–   Rotor 0.62577+14
−14		(−153)11.5 − 4.5
(+10−3=3)		71.9%
11.5 / 16
100.0%
+27
–   Petir 4.9999992567+13
−13		(−163)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   RedQueen 0.9.8 32-bit2565+19
−19		(−165)5 − 3
(+4−2=2)		62.5%
5.0 / 8
100.0%
−61
–   Scorpio 2.2 32-bit2554+24
−24		(−176)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
–   N2 0.4 32-bit2553+16
−16		(−177)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+57
–   Brutus 8.05 32-bit2552+15
−15		(−178)11 − 1
(+10−0=2)		91.7%
11.0 / 12
100.0%
+175
–   Rotor 0.52552+15
−15		(−178)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
100.0%
−136
–   Arasan 12.3 32-bit2544+20
−20		(−186)6 − 2
(+4−0=4)		75.0%
6.0 / 8
100.0%
−21
–   Francesca MAD 0.192543+13
−13		(−187)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Dirty 11D-272542+23
−23		(−188)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Dirty ACCA4 32-bit2539+27
−27		(−191)4 − 1
(+3−0=2)		80.0%
4.0 / 5
100.0%
+25
–   Tornado 3.42a 32-bit2538+26
−26		(−192)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+97
–   Bobcat 20110220 32-bit2536+25
−25		(−194)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−194
–   AnMon 5.752524+13
−13		(−206)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+85
1812 games: 541 wins, 595 losses, 676 draws (37.3%), score: 48.5%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on November 16, 2024