CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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chess22k 1.8 64-bit (2959+17
−17
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 13 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fire 6.1 64-bit3289+11
−11
(+330)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+150
= 0
–   Hannibal 1.7 64-bit3111+8
−8
(+152)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Protector 1.9.0 64-bit3085+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 (SCTR) 1.1f 64-bit3048+11
−11
(+89)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+208
1 =
–   Ethereal 9.30 64-bit3043+25
−25
(+84)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+53
=
–   Hakkapeliitta TCEC v2 64-bit3023+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
(+27)20 − 8
(+16−4=8)
71.4%
20.0 / 28
0.2%
+175
= 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
(+24)8 − 8
(+6−6=4)
50.0%
8.0 / 16
2.3%
+21
1 1 1 0 = 0 = 0 0 0 = = 1 1 0 1
–   Wasp 2.6 64-bit2978+14
−15
(+19)19 − 12
(+12−5=14)
61.3%
19.0 / 31
4.2%
+88
= = = 0 1 = = 1 1 0 1 = 0 1 1 = 0 = = 1 = = = 1 = 1 = 1 1 1 0
–   ChessBrainVB 3.662977+16
−16
(+18)11 − 16
(+4−9=14)
40.7%
11.0 / 27
5.4%
−37
= = 0 0 0 = 1 0 = = 1 0 = 0 = 0 1 0 = = = = = = 1 0 =
–   Bobcat 8.0 64-bit2960+10
−10
(+1)31 − 38
(+17−24=28)
44.9%
31.0 / 69
43.2%
−29
= 1 0 = 0 = 0 1 1 0 = 1 1 1 0 = = 1 0 0 = = = = 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 = =
–   Demolito 2018-03-01 64-bit2957+14
−14
(−2)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
54.6%
+34
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
(−7)11 − 7
(+6−2=10)
61.1%
11.0 / 18
72.8%
+56
1 = = 1 = = = = 1 = 1 1 = = = 1 0 0
–   Cheng 4.39 64-bit2944+9
−9
(−15)15.5 − 8.5
(+10−3=11)
64.6%
15.5 / 24
93.5%
+73
= 1 1 = 1 = 1 1 1 0 = 1 = 0 0 = = = 1 1 = = 1 =
–   Amoeba 2.7 64-bit2938+14
−14
(−21)32.5 − 40.5
(+16−24=33)
44.5%
32.5 / 73
97.2%
−52
= = 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
−10
(−26)39 − 31
(+28−20=22)
55.7%
39.0 / 70
99.5%
+16
1 1 1 = 0 1 = 0 0 1 = 1 = 1 = 1 = = = 1 1 0 = = = 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 =
–   Spark 1.0 64-bit2927+7
−6
(−32)39.5 − 38.5
(+22−21=35)
50.6%
39.5 / 78
100.0%
−27
1 = 0 = = 0 0 0 1 = 0 = 1 0 = = = 1 = 0 1 = 1 = = 1 = = 0 = 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 = =
–   Atlas 3.91 64-bit2926+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
(−38)15 − 8
(+9−2=12)
65.2%
15.0 / 23
100.0%
+51
1 = 1 1 = 0 = 0 = = 1 = 1 = = 1 = = = = 1 1 1
–   Toga II 4.0 64-bit2915+15
−15
(−44)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
+44
1 = = 0 1 1 1 0 = 1 1 = = 0 0 = = 1 1 = 1 = 1 1 1 1 = = 0
–   DiscoCheck 5.2.1 64-bit2913+9
−9
(−46)26 − 23
(+15−12=22)
53.1%
26.0 / 49
100.0%
−28
= 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 = = = = = =
–   EXchess 7.97b 64-bit2913+12
−11
(−46)41.5 − 33.5
(+26−18=31)
55.3%
41.5 / 75
100.0%
−12
= 0 0 = = 1 1 0 1 1 1 1 1 0 1 = 0 1 = 1 = = 1 0 1 = = 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 =
–   Rodent III 0.172 64-bit2908+14
−14
(−51)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−110
= 0 = =
–   ChessBrainVB 3.502906+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 = =
–   Zurichess Neuchatel 64-bit2900+10
−10
(−59)58 − 41
(+30−13=56)
58.6%
58.0 / 99
100.0%
−9
= = 1 = = = 1 = 1 = = 1 = = = 1 1 1 = 1 1 1 1 1 0 1 = = = = = = = = 0 0 = = = 0 0 = = 0 1 = = = 1 1 0 = 1 = = = = = = 1 = 1 = 1 = = = 1 1 = = 1 0 1 = 1 = 0 = 1 0 = = = 1 = = 0 = 0 0 1 = 1 = = = 1 =
–   Quazar 0.4 64-bit2899+7
−7
(−60)40 − 29
(+27−16=26)
58.0%
40.0 / 69
100.0%
−7
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 =
–   Deep Junior Yokohama 64-bit2898+9
−10
(−61)3.5 − 3.5
(+2−2=3)
50.0%
3.5 / 7
100.0%
−85
= 0 1 1 0 = =
–   Daydreamer 2.0.0-pre2 64-bit2895+14
−14
(−64)19 − 9
(+15−5=8)
67.9%
19.0 / 28
100.0%
+58
= 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
(−76)25 − 25
(+12−12=26)
50.0%
25.0 / 50
100.0%
−77
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
(−178)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−147
1 0
–   Devel 1.80902707+16
−16
(−252)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−282
=
–   WildCat 82623+7
−7
(−336)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   JikChess 0.02 64-bit2523+12
−12
(−436)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Drosophila 1.5.1 64-bit2479+15
−15
(−480)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Xpdnt 0910072469+12
−12
(−490)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Amy 0.87b2385+8
−9
(−574)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   The Crazy Bishop 00522363+8
−8
(−596)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Betsy 6.51 Nobook2356+12
−12
(−603)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Tigran 2.4n 64-bit2346+11
−11
(−613)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Horizon 4.42342+8
−8
(−617)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Jazz 840 64-bit2317+20
−20
(−642)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ayito 0.2.9942287+11
−11
(−672)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Napoleon 1.8 64-bit2250+15
−14
(−709)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132219+16
−16
(−740)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Beowulf 2.4a 32-bit2203+11
−11
(−756)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RattateChess 1.0 Nosferatu2199+12
−13
(−760)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Fortress 1.622134+8
−8
(−825)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   BikJump 2.01 64-bit2104+8
−8
(−855)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 July 20, 2019