CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Show each game results
Bison 9.6 (2619+23
−23
)Quote
Author: Ivan Bonkin (Russia) Link: Download Page
This is one of the 5 Bison versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   MinkoChess 1.2 32-bit2780+14
−14
(+161)8.5 − 20.5
(+5−17=7)
29.3%
8.5 / 29
0.0%
+11
0 0 0 0 0 = = 0 0 1 0 0 0 = 0 1 1 0 0 0 = 0 1 0 = = 1 = 0
–   Texel 1.01 32-bit2764+28
−28
(+145)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−26
0 = = 0 0 0 = 0 0 1
–   Ktulu 92752+12
−12
(+133)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Rodent 1.3 64-bit2740+29
−28
(+121)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−53
0 0 = 1 0 = 0 0 0 =
–   BugChess2 1.9 32-bit2732+21
−21
(+113)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+49
0 = 1 1 = 0 = 0 0 =
–   Twisted Logic 20090922 32-bit2730+19
−19
(+111)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−31
0 =
–   SmarThink 1.10 32-bit2718+19
−19
(+99)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.0%
+39
= 0 = =
–   Ktulu 82706+9
−9
(+87)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+87
= =
–   Chessmaster 11 Archangel2702+19
−20
(+83)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+83
0 1 0 1
–   ProDeo 1.862701+30
−30
(+82)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+124
= 0 1 1 0 0 0 1 1 1
–   Rhetoric 1.2 64-bit2695+25
−25
(+76)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−73
0 0 = = 0 0 1 1 0 0
–   Booot 4.15.02693+14
−14
(+74)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−116
= 0 0 0 1 0
–   Vajolet 2.482691+31
−31
(+72)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−75
0 1 = 1 0 0 0 = 0 0
–   Rodent 1.2 64-bit2690+32
−32
(+71)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−78
1 0 0 0 = = 0 0 0 1
–   Delfi 5.42689+11
−11
(+70)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
+10
0 0 = 1 0 1
–   Atlas 3.60 64-bit2688+23
−23
(+69)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
0.0%
+96
0 = = 0 = = 1 1 1 =
–   Tornado 4.87a 32-bit2686+33
−33
(+67)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.1%
+99
= = 1 0 1 = 1 0 0 1
–   Bobcat 3.25 32-bit2684+31
−31
(+65)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
0.0%
−24
0 0 = = = = 0 1 0 =
–   Chess Tiger 20072682+12
−12
(+63)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−79
0 =
–   Tornado 4.82 32-bit2681+34
−35
(+62)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.2%
+30
= 1 0 1 = 0 0 = 1 0
–   Dirty 25Aug2011 32-bit2667+23
−23
(+48)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
0.2%
−18
0 1 0 = 0 = 0 0 0 = 0 = = 1 1 1
–   Gaviota 0.85.1 32-bit2664+33
−33
(+45)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
1.4%
+17
= = = 0 1 0 = = 1 0
–   ProDeo 1.872663+25
−25
(+44)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.6%
+38
0 = 1 0 0 = 1 1 0 1
–   Scorpio 1.912661+13
−13
(+42)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.1%
+184
1 =
–   CM10th Xperience2661+13
−13
(+42)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.1%
+184
= 1
–   Frenzee Dec07 32-bit2659+24
−25
(+40)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
1.0%
−42
1 0 0 =
–   Bobcat 2.75 32-bit2659+24
−24
(+40)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
1.0%
−63
0 = 0 1 = 1 0 = 0 0
–   BugChess2 1.6.4 32-bit2658+22
−22
(+39)0 − 1
(+0−1=0)
0.0%
0.0 / 1
1.0%
−INF
0
–   Dirty 23Mar2012 32-bit2655+32
−32
(+36)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
3.9%
0
= = 0 0 0 1 1 = 0 1
–   Djinn 1.010 64-bit2653+29
−29
(+34)4.5 − 4.5
(+1−1=7)
50.0%
4.5 / 9
3.8%
+30
= = = = = 0 1 = =
–   RedQueen 1.1.4 64-bit2653+28
−28
(+34)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
3.5%
+77
1 0 1 1 1 0 0 1 = 0
–   Scorpio 2.1 32-bit2652+34
−34
(+33)2 − 2
(+1−1=2)
50.0%
2.0 / 4
5.9%
+33
0 = = 1
–   E.T. Chess 13.01.082650+13
−13
(+31)2 − 2
(+1−1=2)
50.0%
2.0 / 4
1.3%
+31
0 = = 1
–   Chronos 1.9.72640+20
−20
(+21)15.5 − 21.5
(+7−13=17)
41.9%
15.5 / 37
8.6%
−28
= = 0 1 1 = = 0 0 = = 0 = = 1 = 0 0 = 0 = = 0 = 1 = 0 = 0 0 1 1 0 1 = 0 =
–   ProDeo 1.742638+24
−24
(+19)1 − 1
(+1−1=0)
50.0%
1.0 / 2
13.7%
+19
0 1
–   CM10th Warrior2636+24
−24
(+17)1 − 1
(+1−1=0)
50.0%
1.0 / 2
16.4%
+17
0 1
–   Chess Tiger 152636+17
−17
(+17)5 − 5
(+3−3=4)
50.0%
5.0 / 10
12.4%
+21
= 1 = 0 0 1 0 = = 1
–   CM9000 Assassin2634+23
−23
(+15)9 − 5
(+4−0=10)
64.3%
9.0 / 14
19.3%
+86
= 1 = = = 1 = 1 = = 1 = = =
–   Alfil 12 MT2633+24
−24
(+14)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
21.2%
−17
= 0 = 1 0 = 0 1 1 0
–   Crafty 23.0 32-bit2630+29
−29
(+11)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
28.4%
−183
0 1 0 = 0 0
–   ProDeo 1.72629+33
−33
(+10)10 − 10
(+7−7=6)
50.0%
10.0 / 20
32.6%
+10
0 = = = 0 1 = = 0 1 1 1 1 1 0 0 = 1 0 0
–   WildCat 82629+13
−13
(+10)2 − 2
(+1−1=2)
50.0%
2.0 / 4
23.9%
+10
= 0 = 1
–   Rotor 0.82628+16
−17
(+9)3 − 5
(+1−3=4)
37.5%
3.0 / 8
27.0%
−68
0 1 = = 0 = 0 =
–   Igel 1.1 64-bit2628+26
−26
(+9)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
30.8%
+151
1 =
–   BugChess2 1.6.3 32-bit2620+19
−19
(+1)3 − 2
(+2−1=2)
60.0%
3.0 / 5
47.5%
+77
= 1 = 0 1
–   Hamsters 0.7.12618+14
−14
(−1)4 − 2
(+3−1=2)
66.7%
4.0 / 6
54.2%
+112
1 1 = 1 = 0
–   Hamsters 0.72618+21
−21
(−1)2 − 2
(+1−1=2)
50.0%
2.0 / 4
54.0%
−1
= = 0 1
–   Arasan 14.1 32-bit2617+33
−33
(−2)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
55.1%
−17
= 1 0
–   Tornado 3.6.7 32-bit2615+32
−32
(−4)6 − 4
(+3−1=6)
60.0%
6.0 / 10
59.1%
+51
0 = = 1 = = 1 1 = =
–   Dirty 24Apr2011 32-bit2614+29
−29
(−5)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
61.9%
+35
1 = 0 0 1 = 1 = 0 1
–   Arasan 13.2 32-bit2608+32
−32
(−11)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
71.4%
+89
1 0 1 = 1 = 0 1 = 1
–   Alaric 0702b2606+26
−26
(−13)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
77.7%
−169
0 =
–   Alfil 8.1.12601+14
−14
(−18)3 − 3
(+2−2=2)
50.0%
3.0 / 6
90.8%
−10
1 = = 0 0 1
–   Sloppy 0.2.2 32-bit2599+14
−14
(−20)3 − 1
(+2−0=2)
75.0%
3.0 / 4
93.0%
+137
1 = = 1
–   The Baron 2.23 32-bit2595+17
−16
(−24)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
95.6%
+43
= = = 1
–   The Baron 1.8.12592+23
−23
(−27)17 − 15
(+14−12=6)
53.1%
17.0 / 32
95.5%
0
= 1 1 = 1 = 1 0 1 0 0 1 0 1 0 0 0 0 1 1 1 = 0 0 1 0 1 0 1 = 1 =
–   Chronos 1.9.62584+27
−26
(−35)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
97.6%
+47
1 1 = 0
–   Petir 4.9999992579+15
−15
(−40)2 − 2
(+1−1=2)
50.0%
2.0 / 4
99.8%
−29
0 = = 1
–   Critter 0.40 32-bit2577+32
−31
(−42)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
98.3%
+114
1 =
–   Scorpio 2.2 32-bit2570+28
−28
(−49)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
99.6%
+73
= = 1 1 0 1 = 1
–   Rotor 0.52565+17
−17
(−54)15 − 15
(+8−8=14)
50.0%
15.0 / 30
100.0%
−52
= 0 0 = 0 0 = = = 1 1 1 = 0 1 1 1 = 1 = = 0 = = = = 0 0 = 1
–   AnMon 5.662530+20
−21
(−89)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−6
= 1 =
–   DanaSah 4.242527+17
−17
(−92)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−32
= 1 = =
–   GarboChess 2.20 32-bit2523+17
−17
(−96)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+54
1 1 = =
–   Brutus 7.02b2515+18
−19
(−104)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−196
0 1 = 0
–   Hermann 2.4 32-bit2501+24
−23
(−118)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+117
1 1 0 1
–   Arasan 11.3 32-bit2501+33
−33
(−118)1 − 3
(+1−3=0)
25.0%
1.0 / 4
100.0%
−352
0 0 1 0
–   Cerebro 3.03d2481+17
−17
(−138)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+145
= 1 1 1
–   Matacz 1.42479+16
−16
(−140)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
100.0%
+70
1 1 0 0 1 1 1 = 1 1
–   Anatoli 0.35k2475+16
−16
(−144)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+139
1 1 = 1
–   BBChess 1.3b2474+23
−23
(−145)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−85
= 1 = =
–   Pupsi2 0.072429+21
−21
(−190)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−39
= 1 = 1
–   Amateur 2.822395+19
−19
(−224)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Dirty 0.99 OW52382+24
−24
(−237)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Cheese 1.32309+17
−17
(−310)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
−101
1 1 = 1 = 1 1 = = 1 0 1 = 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 0 0 1
–   Anechka 0.082302+18
−19
(−317)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−35
1 = 1 1 = 1 0 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 = 1 1 1 1 1 = = 1

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021