CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Engine Details

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chess22k 1.8 64-bit (2929+21
−21
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 11 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Strelka 5.5 64-bit3104+6
−7
(+175)6 − 28
(+2−24=8)
17.6%
6.0 / 34
0.0%
−70
0 0 0 0 = 0 0 0 0 0 0 0 = 0 1 0 0 0 = 0 = 0 1 0 = = 0 = = 0 0 0 0 0
–   Nemorino 4.00 64-bit3039+17
−17
(+110)8 − 26
(+2−20=12)
23.5%
8.0 / 34
0.0%
−68
0 = = 0 = = = 0 0 0 1 0 = 0 0 0 = = 0 0 = 0 0 0 = = 0 = 0 0 0 0 0 1
–   Arasan 20.4.1 64-bit3036+17
−16
(+107)10.5 − 21.5
(+4−15=13)
32.8%
10.5 / 32
0.0%
−2
0 0 = = 0 0 = 0 = 0 = 0 1 = = 0 = = = 0 1 0 1 = 0 0 = = 1 0 0 0
–   SmarThink 1.98 64-bit3025+14
−13
(+96)12.5 − 21.5
(+7−16=11)
36.8%
12.5 / 34
0.0%
+11
= 0 0 = 1 1 0 0 0 0 1 = 0 = 0 0 0 0 0 = = 0 1 0 1 = 1 = 0 = 1 = 0 =
–   Arasan 20.5 64-bit3024+20
−20
(+95)5.5 − 7.5
(+2−4=7)
42.3%
5.5 / 13
0.0%
+47
= = 0 1 0 0 = = = = = 1 0
–   Pedone 1.7 64-bit3013+17
−17
(+84)13 − 21
(+5−13=16)
38.2%
13.0 / 34
0.0%
+12
0 0 1 = 1 0 0 0 0 = = 1 = = = 0 = 0 = 0 1 0 = 0 1 = = = = = 0 0 = =
–   Ethereal 9.30 64-bit3004+25
−25
(+75)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+75
= =
–   Vajolet2 2.5 64-bit3001+18
−18
(+72)13 − 23
(+7−17=12)
36.1%
13.0 / 36
0.0%
−22
0 1 1 0 0 1 = 0 0 0 1 0 1 0 = 1 = 0 0 0 = 0 0 = = = = = = 0 = 0 1 = 0 0
–   Defenchess (SCTR) 1.1f 64-bit2995+13
−13
(+66)13.5 − 22.5
(+6−15=15)
37.5%
13.5 / 36
0.0%
−16
0 = 0 = = = 0 = = 0 = 0 = 0 0 0 0 0 = 1 1 0 = 1 = 0 0 1 = 1 = 1 = 0 0 =
–   Xiphos 0.1 64-bit2985+20
−20
(+56)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−101
= 0
–   Rodent III 0.238 64-bit2981+14
−15
(+52)15.5 − 20.5
(+7−12=17)
43.1%
15.5 / 36
0.0%
+11
= = 1 0 1 1 = = 1 = = 0 = 0 0 0 1 0 1 = 0 = = = = = = = 0 0 = 0 0 0 1 =
–   Ethereal 9.00 64-bit2967+18
−18
(+38)15.5 − 18.5
(+7−10=17)
45.6%
15.5 / 34
0.2%
+11
= = = = = 0 = 0 1 0 0 = = = = 1 = 1 0 = = = = = 1 1 0 0 0 = 1 0 1 0
–   Hiarcs 142961+10
−10
(+32)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.3%
+32
1 0
–   Hakkapeliitta 3.0 64-bit2954+11
−12
(+25)17.5 − 18.5
(+11−12=13)
48.6%
17.5 / 36
2.0%
+14
0 1 0 1 0 = 1 0 1 = = = = 1 = 1 = 0 = 0 0 1 1 = 1 0 = 0 = 0 = = 1 0 1 0
–   Wasp 2.6 64-bit2946+13
−13
(+17)20.5 − 15.5
(+11−6=19)
56.9%
20.5 / 36
8.1%
+58
= = = = 1 = 1 0 = 0 1 = 1 0 = = 1 = = 1 1 0 = = 1 0 1 = 1 = 1 0 = = = =
–   Deep Sjeng c't 20102941+10
−10
(+12)1 − 1
(+1−1=0)
50.0%
1.0 / 2
16.3%
+12
1 0
–   Crafty 25.2 64-bit2929+11
−11
(0)19 − 13
(+10−4=18)
59.4%
19.0 / 32
52.5%
+54
1 1 1 = = 1 = 0 = = = = 1 = = = 1 1 = = = = 1 0 0 = 1 = 1 0 = =
–   Amoeba 2.8 64-bit2925+13
−13
(−4)1 − 1
(+1−1=0)
50.0%
1.0 / 2
63.7%
−4
1 0
–   Bobcat 8.0 64-bit2923+13
−13
(−6)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
69.9%
−21
0 = 1
–   Cheng 4.39 64-bit2921+11
−11
(−8)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
75.3%
+149
= 1
–   Deep Junior 13.3 64-bit2918+16
−16
(−11)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
80.4%
+131
1 =
–   Spike 1.4 Leiden2915+8
−8
(−14)2 − 0
(+2−0=0)
100.0%
2.0 / 2
89.4%
+INF
1 1
–   Demolito 2018-03-01 64-bit2909+17
−17
(−20)1 − 1
(+0−0=2)
50.0%
1.0 / 2
93.4%
−20
= =
–   Toga II 4.0 64-bit2905+14
−14
(−24)0 − 2
(+0−2=0)
0.0%
0.0 / 2
97.3%
−INF
0 0
–   Quazar 0.4 64-bit2905+10
−11
(−24)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.0%
−24
0 1
–   Amoeba 2.7 64-bit2903+15
−15
(−26)21 − 12
(+13−4=16)
63.6%
21.0 / 33
98.2%
+58
0 = = 1 1 1 0 1 = 1 = = 0 = = = = 0 1 1 1 1 = = 1 1 = 1 = = = 1 =
–   chess22k 1.7 64-bit2898+22
−22
(−31)20 − 14
(+9−3=22)
58.8%
20.0 / 34
98.3%
+20
1 = 1 0 1 = 1 = = = 1 = = = 0 = 1 = = = = = 1 = 1 0 = = = = = = 1 =
–   EXchess 7.97b 64-bit2893+13
−13
(−36)16.5 − 13.5
(+8−5=17)
55.0%
16.5 / 30
99.9%
−5
1 = 0 1 = 0 = 0 0 = 1 = 1 = = = = = = = = = 1 = = = 1 0 1 1
–   Spark 1.0 64-bit2893+12
−12
(−36)0 − 1
(+0−1=0)
0.0%
0.0 / 1
99.9%
−INF
0
–   Deuterium 14.3.34.130 64-bit2891+12
−12
(−38)16 − 14
(+6−4=20)
53.3%
16.0 / 30
99.9%
−20
1 = 1 = = 1 = = 0 1 1 = = = 0 = = 0 = = = 0 = = = 1 = = = =
–   Scorpio 2.8 64-bit2886+15
−15
(−43)24.5 − 11.5
(+18−5=13)
68.1%
24.5 / 36
100.0%
+74
1 = 1 0 = 1 1 = = 0 1 = = 0 1 1 1 1 = = 1 = 1 1 = 1 1 = 1 0 1 1 = 1 = 0
–   Gaviota 1.0 64-bit2859+11
−11
(−70)18.5 − 11.5
(+12−5=13)
61.7%
18.5 / 30
100.0%
−1
= = 1 0 = 1 1 = 0 = = 1 = 1 1 0 1 1 = = 1 0 = 1 = 1 = 1 = 0
–   DisasterArea 1.65 64-bit2845+14
−13
(−84)14.5 − 15.5
(+7−8=15)
48.3%
14.5 / 30
100.0%
−95
= = 1 1 0 = = 0 = = = = = 0 0 1 0 1 = 1 = 0 1 = 0 = = 0 = 1
–   Fruit Reloaded 3.2.1 64-bit2830+13
−13
(−99)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
−24
= 1 = = = 1 1 = 1 = 1 = = 0 1 1 1 0 = = = 0 1 1 0 1 0 1 1 0
–   The Baron 3.42 64-bit2796+15
−15
(−133)17 − 13
(+11−7=12)
56.7%
17.0 / 30
100.0%
−91
= = 1 1 1 1 = 0 = = 0 0 0 = = 1 1 = 0 1 = 1 = = 1 1 0 1 0 =
–   Bright 0.5c2778+13
−13
(−151)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   SpiderChess 0706032482+22
−22
(−447)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Anatoli 0.35k2475+16
−16
(−454)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 May 18, 2019