CCRL 40/4
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 1'636'522 games
played by 1'950 programs
22009 CPU days (X2 4600+)

White wins: 639'530 (39.1%)
Black wins: 520'020 (31.8%)
Draws: 476'972 (29.1%)
White score: 53.7%

Engine Details

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chess22k 1.2 64-bit (2409+18
−17
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 7 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Schooner 1.7.0 64-bit2463+17
−17
(+54)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.0%
+75
1 1 = 0 1 1 1 = 0 0 0 0 1 1 1 = 0 = 1 0 1 = 1 1 0 0 0 1 0 1 = 0
–   SpiderChess 0706032438+8
−8
(+29)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.1%
−77
1 0 0 0 = 1 = 0 0 = 0 1 = 0 = 0 0 1 1 0 0 0 0 0 = 1 1 0 0 0 = 1
–   Ares 1.005.2 64-bit2434+14
−14
(+25)12 − 20
(+8−16=8)
37.5%
12.0 / 32
1.4%
−64
1 0 1 0 1 0 = 1 0 0 0 0 = 0 1 0 = 0 1 1 = = 0 = = 0 1 = 0 0 0 0
–   King of Kings 2.562431+10
−9
(+22)13 − 19
(+10−16=6)
40.6%
13.0 / 32
1.1%
−50
1 1 = 0 1 0 1 1 1 0 1 1 = 1 0 0 = 0 = = 0 0 0 0 0 0 = 0 0 0 1 0
–   LambChop 10.992430+9
−9
(+21)15.5 − 15.5
(+11−11=9)
50.0%
15.5 / 31
1.5%
+19
0 0 0 1 1 0 0 1 = 1 = 0 1 1 0 0 = 1 0 1 1 0 = 1 = = = 0 1 = =
–   Shallow 2 rev8 64-bit2426+19
−19
(+17)21.5 − 28.5
(+13−20=17)
43.0%
21.5 / 50
9.3%
−27
0 = = 0 = 1 1 = 1 = = = 0 = 0 0 1 0 1 0 1 = 0 = 1 0 1 1 0 = = = 0 0 0 0 1 = = 0 0 0 = 0 1 0 = 0 1 1
–   Eeyore 1.52 64-bit2425+10
−10
(+16)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
5.7%
−14
= 0 0 = 0 0 1 0 0 = 0 0 1 = 0 0 0 = 1 0 1 = = = 1 0 1 1 = 1 1 1
–   Nejmet 3.072425+8
−8
(+16)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
4.8%
+28
1 0 0 = 1 1 0 0 0 = 0 = = 0 = 1 0 1 0 0 1 1 0 1 1 1 1 1 1 1 0 0
–   Gaia 3.5 64-bit2425+9
−9
(+16)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
5.3%
−40
= = 0 1 0 1 1 0 0 1 0 0 0 1 1 1 0 0 = 1 0 0 0 = 0 = = 0 1 = 0 1
–   Quark 2.352421+9
−9
(+12)24.5 − 23.5
(+17−16=15)
51.0%
24.5 / 48
9.8%
+17
0 0 1 1 = 1 0 1 0 0 0 1 = = 0 0 0 1 = 0 = = = 1 0 1 1 0 1 1 1 = = 0 = 0 0 1 1 = 1 = = 1 0 1 = =
–   Snitch 1.6.2 32-bit2419+10
−10
(+10)19 − 29
(+14−24=10)
39.6%
19.0 / 48
14.8%
−64
1 0 0 0 = 0 1 = 0 0 = = = 1 0 = 0 0 0 1 1 0 1 = 0 1 0 1 = 1 0 0 1 0 1 1 0 0 = 0 0 1 1 0 0 0 0 =
–   Dragon 4.62418+8
−8
(+9)20.5 − 29.5
(+13−22=15)
41.0%
20.5 / 50
15.7%
−51
0 = 1 0 1 0 0 0 1 0 1 1 = 0 0 1 = = = = 1 0 1 0 0 0 0 = 1 = 0 1 = = = = 0 0 0 0 1 0 = 0 0 1 1 = = 0
–   Hussar 0.42418+10
−10
(+9)22.5 − 27.5
(+17−22=11)
45.0%
22.5 / 50
16.6%
−27
1 1 1 = = 1 1 0 = 0 1 0 = = 0 = 0 = 1 0 0 0 0 0 = 0 0 0 0 1 0 0 0 = 1 0 1 0 = 1 0 1 0 1 = 1 1 1 0 1
–   Nemeton 1.512417+16
−16
(+8)25 − 23
(+20−18=10)
52.1%
25.0 / 48
24.1%
+27
0 = 0 = 0 1 0 1 1 0 0 0 0 1 1 = 1 0 0 1 0 0 1 0 1 0 1 = = = 1 0 1 = 1 1 1 = 1 = 1 = 0 1 1 0 0 1
–   OliThink 5.3.0 64-bit2416+13
−13
(+7)27 − 23
(+22−18=10)
54.0%
27.0 / 50
26.0%
+36
0 0 = 0 1 0 0 1 1 0 = 0 1 1 1 0 1 = 1 1 = 0 0 = 1 0 1 0 = = 0 1 0 1 0 1 = 1 1 = 1 1 0 1 1 0 0 1 1 =
–   Bagatur 1.4d 64-bit2415+24
−24
(+6)19.5 − 10.5
(+15−6=9)
65.0%
19.5 / 30
34.3%
+109
1 = 0 = = = 1 = = 0 0 1 1 1 1 0 = 0 = 1 1 1 1 = 1 0 1 1 1 1
–   Typhoon 1.00-358 64-bit2387+35
−35
(−22)26.5 − 23.5
(+21−18=11)
53.0%
26.5 / 50
86.3%
0
1 0 0 1 1 0 1 0 1 0 0 1 1 = = 0 1 1 0 1 = 0 = = = 1 1 1 0 0 1 = = 0 1 0 1 = 0 = 0 1 0 1 1 0 = 0 1 1
–   Alex 2.14a 64-bit2344+11
−11
(−65)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
100.0%
−53
1 1 0 0 1 1 1 0 0 0 0 1 0 0 1 = 0 0 1 1 0 1 1 = = 0 = 1 = 1 1 0
–   Tigran 2.4n 64-bit2343+12
−12
(−66)18 − 13
(+13−8=10)
58.1%
18.0 / 31
100.0%
−11
0 = 1 0 1 0 = = 1 1 1 1 0 = 0 1 = = 0 = 1 0 1 1 = = 1 0 1 = 1
–   Horizon 4.42341+9
−9
(−68)17.5 − 13.5
(+14−10=7)
56.5%
17.5 / 31
100.0%
−16
= 0 0 1 1 1 0 0 0 1 1 = = = 1 0 1 1 1 = 1 1 0 1 0 = 1 1 0 = 0
–   Queen 4.032337+9
−8
(−72)21 − 9
(+18−6=6)
70.0%
21.0 / 30
100.0%
+80
1 1 1 1 = = 0 1 0 0 = = 1 1 1 1 1 0 1 1 1 1 0 1 = 1 1 1 = 0
–   Orion 0.3.0 64-bit2333+15
−15
(−76)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−52
1 0 1 1 1 0 0 1 = = 0 0 1 0 0 = = 0 0 1 0 0 1 = = 1 1 1 1 1 0 1
–   Arion 1.72332+8
−7
(−77)19 − 9
(+16−6=6)
67.9%
19.0 / 28
100.0%
+57
1 1 1 0 0 1 1 = = 1 = 1 0 0 1 = 1 = 1 0 1 = 0 1 1 1 1 1
–   Barbarossa 0.4.0 64-bit2327+14
−14
(−82)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+127
1 = 1 = 1 1 1 0 1 = = = 0 = 1 1 1 1 1 1 1 1 0 1 = 1 1 1 1 1
–   Sage 3.532324+8
−8
(−85)15 − 16
(+12−13=6)
48.4%
15.0 / 31
100.0%
−97
1 0 0 1 0 1 = = 0 1 = = 0 0 0 0 0 0 1 1 0 = 1 1 = 1 1 1 0 0 1
–   Chezzz 1.0.32323+10
−9
(−86)21.5 − 10.5
(+20−9=3)
67.2%
21.5 / 32
100.0%
+54
1 = 1 0 = 0 1 1 1 0 1 1 0 1 1 0 1 0 0 1 1 1 1 1 0 = 1 1 1 1 1 0
–   Absolute Zero 2.4.7.2 64-bit2314+16
−16
(−95)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
−45
1 0 1 0 0 1 0 = 0 1 1 1 1 1 1 0 = 1 1 = 1 = 1 1 1 = 0 0 0 0 0 =
–   Aice 0.99.22312+10
−10
(−97)17.5 − 12.5
(+13−8=9)
58.3%
17.5 / 30
100.0%
−45
0 1 0 = 1 = 1 1 1 0 1 = = = = 1 0 0 1 1 1 0 = 1 = 0 1 1 0 =
–   Mediocre 0.5 64-bit2312+14
−14
(−97)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
+137
1 1 1 = 1 1 1 0 1 1 1 1 0 = 1 1 1 = 1 1 1 1 1 1 0 = 1 1 = =
–   Jumbo 0.4.17 64-bit2311+18
−18
(−98)21.5 − 10.5
(+20−9=3)
67.2%
21.5 / 32
100.0%
+41
1 = 1 0 = 0 0 0 = 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 0 0 1 1 1
–   Averno 0.812309+10
−10
(−100)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+17
1 1 = 0 0 1 = 1 1 1 = 1 0 = = 1 1 0 1 = = 1 1 1 0 1 = 0 1 1 = 1
–   Sungorus 1.4 64-bit2308+10
−10
(−101)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−67
1 0 0 = 1 = 0 1 1 1 = 0 = 0 0 0 1 = = 1 1 1 1 0 = 1 0 1 0 0 1 1
–   KnightX 1.922295+8
−8
(−114)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
+13
1 1 0 0 1 = 1 = = = = = 1 0 0 0 1 = 1 1 1 1 1 1 = 1 1 1 = 1
–   Fischerle 0.9.80 SE 64-bit2289+19
−19
(−120)15 − 3
(+13−1=4)
83.3%
15.0 / 18
100.0%
+133
1 1 1 = = 1 1 = 1 1 1 = 1 1 0 1 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
chess22k 1.2 64-bit
played with current
participants of this list
Represented by
1-2-CPU    1016chess22k 1.7 64-bit
All    1016chess22k 1.7 64-bit
Free    1016chess22k 1.7 64-bit
Free 1-2-CPU    1016chess22k 1.7 64-bit
Free single-CPU    1016chess22k 1.7 64-bit
Single-CPU    1016chess22k 1.7 64-bit

Created in 2005-2013 by CCRL team
Last games added on January 20, 2018