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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chess22k 1.6 64-bit (2822+28
−28
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 13 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Booot 6.1 64-bit3075+18
−18
(+253)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−75
0 0 0 0 = 0 0 0 = 0
–   Defenchess 1.1f 64-bit2995+12
−12
(+173)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.0%
+173
= = = =
–   Wasp 2.00 64-bit2929+26
−26
(+107)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−40
1 0 0 0 1 = 0 0 = 0
–   Bobcat 8.0 64-bit2922+13
−13
(+100)5.5 − 8.5
(+4−7=3)
39.3%
5.5 / 14
0.0%
+24
0 = = 1 1 0 0 0 1 0 1 0 0 =
–   Amoeba 2.6 64-bit2910+20
−20
(+88)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+88
1 = = 0
–   Deep Junior 12.5 32-bit2907+15
−16
(+85)4 − 5
(+1−2=6)
44.4%
4.0 / 9
0.0%
+57
= 1 0 0 = = = = =
–   Protector 1.4.0 64-bit2899+14
−14
(+77)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−74
0 = = 0 = 0 0 = = 0
–   EXchess 7.97b 64-bit2893+12
−12
(+71)7 − 7
(+4−4=6)
50.0%
7.0 / 14
0.0%
+67
= = 0 1 = 0 = 0 1 1 0 1 = =
–   Demolito 2017-08-26 64-bit2888+20
−20
(+66)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−83
= = 0 0
–   Gull 1.0a 32-bit2885+12
−12
(+63)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+3
= = = 0 = = 0 1 = 0
–   Quazar 0.4 32-bit2878+12
−12
(+56)7 − 3
(+5−1=4)
70.0%
7.0 / 10
0.0%
+183
1 = = 0 1 1 1 = = 1
–   Spark 1.0 32-bit2863+11
−11
(+41)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
0.4%
−45
= = 1 0 0 = = 0 0 =
–   Gaviota 1.0 64-bit2858+11
−11
(+36)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
1.0%
−44
0 0 = = = 0 = = = =
–   Dirty 30Apr2017 64-bit2855+15
−15
(+33)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
1.8%
−29
0 = = 1 0 0 = = = 1 = 0 = 0
–   MinkoChess 1.3 64-bit2851+14
−14
(+29)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
3.4%
+60
1 = 1 1 = = 0 0 = =
–   Nemo 1.0.1 64-bit2846+12
−12
(+24)3 − 7
(+0−4=6)
30.0%
3.0 / 10
6.2%
−81
0 = = = 0 = 0 = 0 =
–   DisasterArea 1.65 64-bit2846+13
−13
(+24)5 − 9
(+2−6=6)
35.7%
5.0 / 14
5.7%
−61
0 = 0 = 1 0 = = 0 = = 0 1 0
–   Defenchess 1.0 64-bit2845+28
−28
(+23)2 − 8
(+1−7=2)
20.0%
2.0 / 10
12.4%
−211
0 0 0 0 = 1 = 0 0 0
–   Tornado 8.0 64-bit2842+13
−13
(+20)8 − 6
(+4−2=8)
57.1%
8.0 / 14
10.4%
+57
= 1 = 1 = = = 0 = 1 = 0 = 1
–   Fruit Reloaded 3.2.1 64-bit2836+12
−12
(+14)4 − 6
(+2−4=4)
40.0%
4.0 / 10
18.8%
−53
0 = 0 0 = = 1 1 0 =
–   The Baron 3.41 64-bit2836+22
−22
(+14)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
21.5%
−10
1 0 0 = = 0 1 1 1 0 = 0 = =
–   Scorpio 2.7.8 64-bit2828+27
−27
(+6)6.5 − 7.5
(+2−3=9)
46.4%
6.5 / 14
37.4%
−11
0 = 1 = 0 = = = 1 = = = = 0
–   Rybka 1.0 64-bit2824+14
−14
(+2)5 − 5
(+2−2=6)
50.0%
5.0 / 10
46.0%
+5
= = 0 0 1 = 1 = = =
–   Murka 3 64-bit2822+12
−12
(0)5 − 5
(+2−2=6)
50.0%
5.0 / 10
49.5%
−3
= 0 = = 1 = = 1 = 0
–   Ethereal 8.37 64-bit2815+27
−27
(−7)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
64.3%
−68
0 0 1 0 = 0 = 0 0 = 1 1 = 0 1 =
–   GNU Chess 5.60 64-bit2813+16
−16
(−9)6 − 4
(+4−2=4)
60.0%
6.0 / 10
72.0%
+54
= 1 = 1 0 = 1 0 1 =
–   TheMadPrune 1.1.252804+24
−24
(−18)5 − 5
(+2−2=6)
50.0%
5.0 / 10
83.5%
−21
= 0 = 0 = = 1 = = 1
–   Rhetoric 1.4.3 64-bit2792+12
−12
(−30)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
97.5%
+124
1 = = = 1 = 1 1 1 =
–   Loop 13.6 (Loop 2007) 64-bit2788+15
−16
(−34)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
98.1%
+69
1 0 = = 1 0 1 = 1 1
–   Octochess r5506 64-bit2783+15
−15
(−39)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.2%
+23
= 1 1 = 1 0 1 0 = =
–   Pawny 1.2 64-bit2778+13
−13
(−44)8.5 − 5.5
(+6−3=5)
60.7%
8.5 / 14
99.8%
+27
1 = = 1 1 = 1 0 = 0 = 1 0 1
–   Frenzee 3.5.19 64-bit2772+14
−14
(−50)5.5 − 4.5
(+1−0=9)
55.0%
5.5 / 10
99.9%
−25
= = 1 = = = = = = =
–   Twisted Logic 20100131x 64-bit2770+16
−16
(−52)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
99.9%
+38
1 1 = = 1 = 1 = = 0
–   RuyDos 1.0.27 64-bit2762+23
−23
(−60)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.9%
+7
= = 0 = 1 0 1 = 1 1
–   Bison 9.11 64-bit2755+13
−13
(−67)4 − 6
(+2−4=4)
40.0%
4.0 / 10
100.0%
−125
= 0 0 0 1 = 0 = 1 =
–   Carballo 1.7 64-bit2736+14
−14
(−86)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
100.0%
−58
= = = = = 0 1 = 1 =
–   Marvin 2.2.0 64-bit2718+25
−25
(−104)8.5 − 1.5
(+7−0=3)
85.0%
8.5 / 10
100.0%
+145
1 = 1 1 = 1 = 1 1 1

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