CCRL 40/4
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 2'085'472 games
played by 2'422 programs
28065 CPU days (X2 4600+)

White wins: 809'852 (38.8%)
Black wins: 654'916 (31.4%)
Draws: 620'704 (29.8%)
White score: 53.7%

Engine Details

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chess22k 1.8 64-bit (2958+17
−17
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 14 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fire 6.1 64-bit3288+11
−11
(+330)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+150
= 0
–   Hannibal 1.7 64-bit3110+8
−8
(+152)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Protector 1.9.0 64-bit3084+7
−7
(+126)18.5 − 30.5
(+9−21=19)
37.8%
18.5 / 49
0.0%
+45
0 0 = 0 0 = = 0 1 = 0 0 1 0 = = 0 = = = 1 0 0 = = 1 = 0 1 = 1 0 0 = = 1 0 1 = = 1 = 0 0 0 0 0 0 =
–   Defenchess 1.1f 64-bit3046+11
−11
(+88)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+207
1 =
–   Ethereal 9.30 64-bit3043+25
−25
(+85)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+54
=
–   Hakkapeliitta TCEC v2 64-bit3022+10
−10
(+64)17.5 − 32.5
(+8−23=19)
35.0%
17.5 / 50
0.0%
−32
= 0 = = = = 0 0 = 0 0 1 = = 0 = = 0 1 0 0 0 0 1 0 0 1 = 1 = 0 0 0 = = 1 0 0 0 = = 0 = = 1 = 0 0 1 0
–   Hiarcs 142986+8
−8
(+28)20 − 8
(+16−4=8)
71.4%
20.0 / 28
0.2%
+176
= 1 1 = 1 = = = 1 1 = 1 1 = 0 = 1 1 1 0 0 1 1 1 1 1 1 0
–   Ethereal 9.00 64-bit2983+18
−18
(+25)8 − 8
(+6−6=4)
50.0%
8.0 / 16
2.3%
+22
1 1 1 0 = 0 = 0 0 0 = = 1 1 0 1
–   Wasp 2.6 64-bit2977+14
−14
(+19)19 − 12
(+12−5=14)
61.3%
19.0 / 31
4.3%
+88
= = = 0 1 = = 1 1 0 1 = 0 1 1 = 0 = = 1 = = = 1 = 1 = 1 1 1 0
–   ChessBrainVB 3.662977+16
−16
(+19)11 − 16
(+4−9=14)
40.7%
11.0 / 27
5.5%
−36
= = 0 0 0 = 1 0 = = 1 0 = 0 = 0 1 0 = = = = = = 1 0 =
–   Bobcat 8.0 64-bit2959+10
−10
(+1)31 − 38
(+17−24=28)
44.9%
31.0 / 69
49.5%
−29
= = = 1 = 1 = 0 0 1 1 1 0 = 0 = = = = 1 0 1 0 = 0 = = 0 0 1 = 1 = 1 0 0 0 0 = 0 = = = 0 0 0 = = = 1 0 = 0 = 0 1 1 0 = 1 1 1 0 = = 1 0 0 =
–   Demolito 2018-03-01 64-bit2957+14
−14
(−1)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
55.2%
+35
0 = 1 = 1 0 1 1 1 = = 1 = = 0 1 0 1 = 0 1 1 = 0 0 = 1 1 0 0
–   Amoeba 2.8 64-bit2952+13
−13
(−6)11 − 7
(+6−2=10)
61.1%
11.0 / 18
72.7%
+57
1 = = 1 = = = = 1 = 1 1 = = = 1 0 0
–   Cheng 4.39 64-bit2944+9
−9
(−14)15.5 − 8.5
(+10−3=11)
64.6%
15.5 / 24
93.6%
+74
= 1 1 = 1 = 1 1 1 0 = 1 = 0 0 = = = 1 1 = = 1 =
–   Amoeba 2.7 64-bit2938+14
−14
(−20)32.5 − 40.5
(+16−24=33)
44.5%
32.5 / 73
97.1%
−51
= = 0 1 1 0 1 0 = = = = 1 = = 0 1 = 1 0 1 0 1 0 0 1 = 1 1 1 0 0 = = 1 = = = = 0 = = 0 = 0 1 = 0 0 0 = = 0 = 0 = 1 = = = = = 0 = = 1 0 0 = 0 0 0 =
–   Crafty 25.2 64-bit2933+10
−11
(−25)39 − 31
(+28−20=22)
55.7%
39.0 / 70
99.6%
+17
= = = 0 0 1 1 1 1 = 0 0 1 1 0 0 1 = 1 0 1 = 0 = 0 0 = 1 1 0 1 = = 0 1 = 1 1 1 0 1 0 1 = = 0 0 = 1 1 1 = 0 1 = 0 0 1 = 1 = 1 = 1 = = = 1 1 0
–   Spark 1.0 64-bit2927+7
−7
(−31)39.5 − 38.5
(+22−21=35)
50.6%
39.5 / 78
100.0%
−26
1 1 0 1 0 0 1 1 = = 0 = 0 0 0 = = = 0 1 0 0 = 1 = = 1 1 = = = 1 1 1 = 0 1 0 = = = = 0 = 1 1 = = 1 = 0 = = 0 0 0 1 = 0 = 1 0 = = = 1 = 0 1 = 1 = = 1 = = 0 =
–   Atlas 3.91 64-bit2925+13
−13
(−33)30 − 24
(+20−14=20)
55.6%
30.0 / 54
99.9%
+3
1 1 0 0 = = 1 1 = 0 1 0 = 0 0 1 0 = 1 1 1 1 0 = = = = = = 0 1 = 1 = = 1 0 = 1 = 1 0 = 1 1 0 = = = 1 1 0 1 0
–   Spike 1.4 Leiden2921+7
−7
(−37)15 − 8
(+9−2=12)
65.2%
15.0 / 23
100.0%
+52
1 = 1 1 = 0 = 0 = = 1 = 1 = = 1 = = = = 1 1 1
–   Toga II 4.0 64-bit2915+15
−15
(−43)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
+45
1 = = 0 1 1 1 0 = 1 1 = = 0 0 = = 1 1 = 1 = 1 1 1 1 = = 0
–   EXchess 7.97b 64-bit2913+11
−11
(−45)41.5 − 33.5
(+26−18=31)
55.3%
41.5 / 75
100.0%
−11
= 1 1 0 = 1 = 0 = 1 0 = = = 1 1 = 0 1 1 0 = = = 1 0 0 1 = 1 1 0 = 0 = = = = = = = = 0 0 1 0 = 1 = = 0 0 = = 1 1 0 1 1 1 1 1 0 1 = 0 1 = 1 = = 1 0 1 =
–   DiscoCheck 5.2.1 64-bit2913+10
−9
(−45)26 − 23
(+15−12=22)
53.1%
26.0 / 49
100.0%
−27
= 0 1 = 1 1 = 1 = 1 = 1 1 0 1 1 1 = = 0 = = = = 0 0 1 0 0 1 0 0 0 1 1 1 = = 0 = = = 0 = = = = = =
–   Rodent III 0.172 64-bit2908+13
−14
(−50)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−109
= 0 = =
–   ChessBrainVB 3.502905+15
−15
(−53)16.5 − 11.5
(+10−5=13)
58.9%
16.5 / 28
100.0%
−3
1 1 = 1 = 0 0 = = = 1 1 = 0 0 1 1 1 = = 1 = 0 = = 1 = =
–   Quazar 0.4 64-bit2900+7
−7
(−58)40 − 29
(+27−16=26)
58.0%
40.0 / 69
100.0%
−5
0 = = = 1 0 = 0 1 0 1 1 = = 1 = = = 1 = = 0 0 1 0 = = = 0 = 1 1 1 1 = = = 0 0 1 1 = 0 1 = 1 0 1 1 = = 1 1 = 1 1 0 0 = = 1 0 1 1 1 1 0 1 =
–   Zurichess Neuchatel 64-bit2900+10
−10
(−58)58 − 41
(+30−13=56)
58.6%
58.0 / 99
100.0%
−8
1 0 = 1 = = = = = = 1 = 1 = 1 = = = 1 1 = = 1 0 1 = 1 = 0 = 1 0 = = = 1 = = 0 = 0 0 1 = 1 = = = 1 = = = 1 = = = 1 = 1 = = 1 = = = 1 1 1 = 1 1 1 1 1 0 1 = = = = = = = = 0 0 = = = 0 0 = = 0 1 = = = 1
–   Deep Junior Yokohama 64-bit2898+9
−9
(−60)3.5 − 3.5
(+2−2=3)
50.0%
3.5 / 7
100.0%
−84
= 0 1 1 0 = =
–   Daydreamer 2.0.0-pre2 64-bit2896+13
−14
(−62)19 − 9
(+15−5=8)
67.9%
19.0 / 28
100.0%
+60
= 1 1 = = 1 0 = 1 1 1 0 1 1 = 0 1 0 = = 0 1 1 1 = 1 1 1
–   Deuterium 14.3.34.130 64-bit2883+9
−9
(−75)25 − 25
(+12−12=26)
50.0%
25.0 / 50
100.0%
−76
0 0 = = = = 1 = = 1 = 0 1 1 = = 0 0 = 1 = = = 1 0 = 0 1 1 1 = = 1 0 = 0 = 0 = = = = = = 0 = 1 0 = 1
–   RuyDos 1.1.0 64-bit2781+15
−15
(−177)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−146
1 0
–   Devel 1.80902707+16
−16
(−251)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−281
=
–   WildCat 82623+7
−7
(−335)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   JikChess 0.02 64-bit2523+12
−12
(−435)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Drosophila 1.5.1 64-bit2479+15
−15
(−479)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Xpdnt 0910072468+12
−12
(−490)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Amy 0.87b2385+9
−9
(−573)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   The Crazy Bishop 00522363+8
−8
(−595)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Betsy 6.51 Nobook2356+12
−12
(−602)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Tigran 2.4n 64-bit2346+11
−11
(−612)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Horizon 4.42341+8
−8
(−617)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Jazz 840 64-bit2317+20
−20
(−641)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ayito 0.2.9942287+11
−11
(−671)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Napoleon 1.8 64-bit2250+15
−14
(−708)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132219+16
−16
(−739)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Beowulf 2.4a 32-bit2202+11
−11
(−756)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RattateChess 1.0 Nosferatu2198+12
−12
(−760)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Fortress 1.622134+8
−8
(−824)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   BikJump 2.01 64-bit2104+8
−8
(−854)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

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Created in 2005-2013 by CCRL team
Last games added on August 17, 2019