CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Show each game results
Bison 9.11 32-bit (2727+14
−14
)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-bit3018+18
−18
(+291)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
+1
–   Stockfish 2.0.1 32-bit3011+16
−16
(+284)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Stockfish 1.7.1 64-bit3007+22
−22
(+280)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Stockfish 1.8 32-bit2988+17
−16
(+261)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.0%
+261
–   Stockfish 1.7.1 32-bit2975+16
−16
(+248)10 − 58
(+3−51=14)
14.7%
10.0 / 68
0.0%
−31
–   Stockfish 1.6.3 64-bit2964+20
−20
(+237)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Rybka 2.3.2a 64-bit2960+11
−11
(+233)1 − 2
(+0−1=2)
33.3%
1.0 / 3
0.0%
+127
–   Critter 0.80 32-bit2923+15
−15
(+196)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Komodo 1.0 64-bit2920+14
−14
(+193)0.5 − 4.5
(+0−4=1)
10.0%
0.5 / 5
0.0%
−143
–   Komodo 1.3 32-bit2916+16
−16
(+189)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Spike 1.4 Leiden2913+8
−8
(+186)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−104
–   Rybka 2.3.2a 32-bit2911+9
−9
(+184)7 − 23
(+0−16=14)
23.3%
7.0 / 30
0.0%
+19
–   Komodo 1.2 32-bit2895+14
−14
(+168)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.0%
+98
–   Protector 1.4.0 32-bit2877+11
−11
(+150)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Critter 0.70 32-bit2876+19
−19
(+149)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−86
–   Gull 1.2 32-bit2875+12
−12
(+148)3.5 − 4.5
(+1−2=5)
43.8%
3.5 / 8
0.0%
+116
–   Gull 0.12a 32-bit2869+21
−21
(+142)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−141
–   Hannibal 1.1 32-bit2867+13
−13
(+140)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−144
–   Komodo 1.0 32-bit2867+16
−16
(+140)10 − 24
(+4−18=12)
29.4%
10.0 / 34
0.0%
+3
–   Spark 1.0 32-bit2863+11
−11
(+136)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+286
–   Thinker 5.4d Inert 64-bit2863+15
−15
(+136)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−14
–   Thinker 5.4d Inert 32-bit2855+10
−10
(+128)12 − 34
(+3−25=18)
26.1%
12.0 / 46
0.0%
−29
–   Doch 1.3.4 32-bit2854+22
−22
(+127)11 − 19
(+5−13=12)
36.7%
11.0 / 30
0.0%
+41
–   Gull 0.11a 32-bit2846+21
−21
(+119)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+119
–   Booot 5.1.02843+10
−10
(+116)2 − 3
(+1−2=2)
40.0%
2.0 / 5
0.0%
+57
–   Critter 0.60 64-bit2839+25
−25
(+112)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−45
–   Protector 1.3.4 64-bit2838+24
−24
(+111)1 − 4
(+0−3=2)
20.0%
1.0 / 5
0.0%
−79
–   Spark 0.3 64-bit2834+18
−18
(+107)2 − 3
(+1−2=2)
40.0%
2.0 / 5
0.0%
+39
–   Critter 0.60 32-bit2829+23
−23
(+102)10.5 − 23.5
(+5−18=11)
30.9%
10.5 / 34
0.0%
−28
–   Protector 1.3.5 32-bit2827+15
−15
(+100)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+33
–   Grapefruit 1.0 32-bit2825+9
−9
(+98)13 − 30
(+5−22=16)
30.2%
13.0 / 43
0.0%
−31
–   Protector 1.3.4 32-bit2823+15
−15
(+96)13 − 22
(+6−15=14)
37.1%
13.0 / 35
0.0%
+13
–   Spark 0.4 32-bit2820+16
−16
(+93)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.0%
−8
–   Deep Junior 11.2 32-bit2815+21
−21
(+88)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Toga II 3.1.2SE2813+17
−17
(+86)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+55
–   Critter 0.52b 64-bit2805+31
−31
(+78)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+78
–   Protector 1.3.1b 32-bit2800+23
−23
(+73)11.5 − 18.5
(+6−13=11)
38.3%
11.5 / 30
0.0%
−2
–   Hannibal 1.0a 32-bit2799+12
−12
(+72)3 − 7
(+0−4=6)
30.0%
3.0 / 10
0.0%
−39
–   Spark 0.3a 32-bit2798+17
−17
(+71)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+228
–   Spark 0.3 32-bit2796+16
−16
(+69)11.5 − 18.5
(+4−11=15)
38.3%
11.5 / 30
0.0%
−3
–   Doch 09.980 32-bit2794+19
−19
(+67)10 − 20
(+4−14=12)
33.3%
10.0 / 30
0.0%
−42
–   Onno 1.2.70 32-bit2785+18
−18
(+58)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+58
–   MinkoChess 1.2 32-bit2779+14
−14
(+52)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Bright 0.5c2777+12
−12
(+50)16 − 23
(+7−14=18)
41.0%
16.0 / 39
0.0%
−4
–   Jonny 4.002776+11
−11
(+49)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
0.0%
+86
–   Naraku 1.42773+16
−16
(+46)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.0%
−77
–   Loop 13.6 (Loop 2007) 32-bit2772+9
−10
(+45)16 − 21
(+8−13=16)
43.2%
16.0 / 37
0.0%
0
–   Critter 0.52b 32-bit2772+30
−30
(+45)4 − 3
(+3−2=2)
57.1%
4.0 / 7
0.4%
+91
–   Twisted Logic 20100131x 64-bit2770+16
−16
(+43)1 − 4
(+1−4=0)
20.0%
1.0 / 5
0.0%
−246
–   Ktulu 92752+12
−12
(+25)8 − 6
(+6−4=4)
57.1%
8.0 / 14
0.3%
+73
–   Scorpio 2.7 32-bit2748+20
−20
(+21)18 − 16
(+12−10=12)
52.9%
18.0 / 34
4.1%
+40
–   SmarThink 1.20 32-bit2746+16
−16
(+19)5.5 − 9.5
(+2−6=7)
36.7%
5.5 / 15
3.8%
−64
–   Spike 1.2 Turin2744+7
−7
(+17)20.5 − 22.5
(+11−13=19)
47.7%
20.5 / 43
1.2%
+2
–   Tornado 4.4 32-bit2743+23
−23
(+16)10.5 − 19.5
(+6−15=9)
35.0%
10.5 / 30
11.7%
−85
–   MinkoChess 1.0 32-bit2743+32
−32
(+16)3 − 3
(+2−2=2)
50.0%
3.0 / 6
18.0%
+23
–   MinkoChess 1.1 32-bit2739+27
−27
(+12)5 − 5
(+3−3=4)
50.0%
5.0 / 10
20.7%
+12
–   Chronos 1.9.9 32-bit2739+17
−17
(+12)26.5 − 32.5
(+16−22=21)
44.9%
26.5 / 59
12.8%
−19
–   Twisted Logic 20100131x 32-bit2735+18
−18
(+8)27 − 19
(+15−7=24)
58.7%
27.0 / 46
22.8%
+57
–   Critter 0.52 32-bit2734+31
−31
(+7)8.5 − 12.5
(+3−7=11)
40.5%
8.5 / 21
32.9%
−50
–   BugChess2 1.9 32-bit2732+21
−21
(+5)8 − 15
(+5−12=6)
34.8%
8.0 / 23
35.0%
−98
–   Crafty 23.4 32-bit2731+19
−19
(+4)22 − 22
(+13−13=18)
50.0%
22.0 / 44
35.0%
+4
–   Frenzee 3.5.19 32-bit2717+32
−32
(−10)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
70.6%
+57
–   Crafty 23.3 32-bit2715+32
−32
(−12)2 − 3
(+1−2=2)
40.0%
2.0 / 5
75.3%
−79
–   Critter 0.42 32-bit2705+25
−25
(−22)3 − 1
(+2−0=2)
75.0%
3.0 / 4
93.3%
+128
–   Chess Tiger 2007.12703+10
−10
(−24)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
99.8%
+29
–   Chessmaster 11 Archangel2701+19
−19
(−26)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
98.3%
−183
–   BugChess2 1.7 32-bit2697+22
−22
(−30)11 − 7
(+7−3=8)
61.1%
11.0 / 18
98.8%
+40
–   Booot 4.15.12696+30
−30
(−31)9.5 − 8.5
(+6−5=7)
52.8%
9.5 / 18
96.9%
−14
–   Crafty 23.2 32-bit2695+32
−32
(−32)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
96.7%
−77
–   Frenzee Feb08 32-bit2694+13
−13
(−33)4 − 2
(+2−0=4)
66.7%
4.0 / 6
100.0%
+56
–   Chessmaster 11 Conqueror2694+18
−18
(−33)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
99.8%
+124
–   Fruit 2.12694+25
−25
(−33)18 − 14
(+11−7=14)
56.3%
18.0 / 32
98.8%
+9
–   Scorpio 2.6 32-bit2692+31
−31
(−35)4 − 6
(+2−4=4)
40.0%
4.0 / 10
97.7%
−93
–   Chessmaster 11 Aiglos II2692+18
−18
(−35)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
99.9%
−192
–   Booot 4.15.02692+14
−14
(−35)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+107
–   Delfi 5.42689+12
−12
(−38)9.5 − 10.5
(+6−7=7)
47.5%
9.5 / 20
100.0%
−51
–   Crafty 23.1 32-bit2686+18
−18
(−41)17 − 21
(+8−12=18)
44.7%
17.0 / 38
100.0%
−69
–   Chessmaster 11 Toxic2682+19
−20
(−45)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−187
–   Chessmaster 11 Leonidas2679+20
−20
(−48)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+94
–   Naraku 1.312674+29
−30
(−53)8 − 4
(+5−1=6)
66.7%
8.0 / 12
99.9%
+45
–   Deuterium 10.01.27.2132667+22
−22
(−60)3 − 2
(+2−1=2)
60.0%
3.0 / 5
100.0%
−2
–   Daydreamer 1.75 32-bit2667+17
−17
(−60)24 − 19
(+14−9=20)
55.8%
24.0 / 43
100.0%
−25
–   Dirty 25Aug2011 32-bit2666+23
−23
(−61)4.5 − 7.5
(+1−4=7)
37.5%
4.5 / 12
100.0%
−135
–   Movei 00.8.438 (10 10 10)2666+11
−11
(−61)28 − 16
(+20−8=16)
63.6%
28.0 / 44
100.0%
+30
–   Chessmaster 112664+12
−12
(−63)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+80
–   Scorpio 2.5 32-bit2662+32
−32
(−65)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+223
–   Alaric 7072660+12
−11
(−67)21 − 16
(+16−11=10)
56.8%
21.0 / 37
100.0%
−19
–   Bobcat 2.75 32-bit2658+24
−24
(−69)11 − 3
(+9−1=4)
78.6%
11.0 / 14
100.0%
+135
–   BugChess2 1.6.4 32-bit2657+22
−22
(−70)7.5 − 4.5
(+5−2=5)
62.5%
7.5 / 12
100.0%
+7
–   CM10th Ogre2653+22
−22
(−74)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
+72
–   E.T. Chess 13.01.082649+13
−13
(−78)11 − 7
(+8−4=6)
61.1%
11.0 / 18
100.0%
−2
–   Cyrano 0.6b17 32-bit2648+14
−14
(−79)6.5 − 5.5
(+5−4=3)
54.2%
6.5 / 12
100.0%
−47
–   Gaviota 0.83 64-bit 4CPU2647+25
−25
(−80)37 − 13
(+31−7=12)
74.0%
37.0 / 50
100.0%
+95
–   Colossus 2008b2643+12
−12
(−84)29.5 − 19.5
(+20−10=19)
60.2%
29.5 / 49
100.0%
−16
–   Chronos 1.9.72639+20
−20
(−88)7 − 9
(+3−5=8)
43.8%
7.0 / 16
100.0%
−125
–   CM10th Guardian2638+26
−26
(−89)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+194
–   Slow Chess Blitz WV2.12637+11
−12
(−90)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+200
–   RedQueen 1.0.0 32-bit2636+24
−24
(−91)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−91
–   CM10th Warrior2635+24
−24
(−92)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+58
–   WildCat 82628+13
−13
(−99)7.5 − 8.5
(+5−6=5)
46.9%
7.5 / 16
100.0%
−121
–   RedQueen 1.1.1 64-bit2624+27
−27
(−103)13.5 − 6.5
(+11−4=5)
67.5%
13.5 / 20
100.0%
+24
–   Deuterium 11.01.28.1592619+20
−20
(−108)14 − 4
(+11−1=6)
77.8%
14.0 / 18
100.0%
+81
–   Hamsters 0.7.12617+14
−14
(−110)13 − 7
(+11−5=4)
65.0%
13.0 / 20
100.0%
+4
–   Tornado 3.6.7 32-bit2614+32
−32
(−113)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−102
–   Dirty 24Apr2011 32-bit2613+29
−29
(−114)8 − 1
(+7−0=2)
88.9%
8.0 / 9
100.0%
+196
–   Pharaon 3.5.12613+12
−12
(−114)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+43
–   Alfil 8.1.12600+14
−14
(−127)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+156
–   Deuterium 09.01.26.4922599+23
−23
(−128)10 − 6
(+7−3=6)
62.5%
10.0 / 16
100.0%
−42
–   Sloppy 0.2.2 32-bit2598+14
−14
(−129)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+86
–   The Baron 2.23 32-bit2594+17
−17
(−133)9.5 − 4.5
(+7−2=5)
67.9%
9.5 / 14
100.0%
−10
–   Amyan 1.722590+12
−12
(−137)11.5 − 7.5
(+8−4=7)
60.5%
11.5 / 19
100.0%
−68
–   Rotor 0.62588+16
−16
(−139)11.5 − 4.5
(+10−3=3)
71.9%
11.5 / 16
100.0%
+25
–   Petir 4.9999992579+16
−15
(−148)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   RedQueen 0.9.8 32-bit2576+22
−22
(−151)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
−61
–   Scorpio 2.2 32-bit2569+28
−28
(−158)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   N2 0.4 32-bit2568+18
−18
(−159)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+68
–   Brutus 8.05 32-bit2566+17
−17
(−161)11 − 1
(+10−0=2)
91.7%
11.0 / 12
100.0%
+199
–   Rotor 0.52565+17
−17
(−162)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
100.0%
−125
–   Arasan 12.3 32-bit2564+24
−24
(−163)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
−16
–   Bobcat 20110220 32-bit2562+32
−32
(−165)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−165
–   Francesca MAD 0.192558+15
−15
(−169)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Dirty 11D-272557+27
−27
(−170)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Dirty ACCA4 32-bit2552+33
−33
(−175)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+25
–   Tornado 3.42a 32-bit2547+32
−32
(−180)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+102
–   AnMon 5.752538+15
−15
(−189)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+98

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Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on May 8, 2021