CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

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chess22k 1.4 64-bit (2689+16
−16
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 13 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Octochess r5190 64-bit2777+9
−9
(+88)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−20
0 0 0 0 0 = = 0 0 0 0 0 1 = 0 0 1 = 1 0 0 1 0 1 = = 1 0 1 = 0 =
–   Bright 0.5c2773+8
−8
(+84)18.5 − 13.5
(+11−6=15)
57.8%
18.5 / 32
0.0%
+131
= 0 = 1 0 = 1 = = 0 0 1 0 1 1 = 1 1 1 0 = 1 = 1 = = = = = = 1 =
–   The Baron 3.29 64-bit2772+12
−12
(+83)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−34
= 1 0 0 0 = 0 0 = = 1 0 0 = 0 0 0 = 1 0 0 0 0 = 1 1 0 0 1 0 = =
–   Twisted Logic 20090922 64-bit2770+7
−7
(+81)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
−52
0 0 = = 0 0 0 0 0 0 = 0 0 1 0 0 0 0 1 = 0 1 0 0 1 1 1 0 1 1 0 =
–   Frenzee 3.5.19 64-bit2768+8
−8
(+79)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
+10
0 1 1 0 0 = 0 = 1 0 1 1 1 0 0 0 0 1 0 1 = = 0 0 0 = 0 1 1 0 = 0
–   Pawny 1.2 64-bit2766+10
−10
(+77)13.5 − 18.5
(+6−11=15)
42.2%
13.5 / 32
0.0%
+26
0 = 0 0 0 1 0 = = = 1 1 1 = 0 1 = 0 = = 0 1 = = 0 = 0 = = = 0 =
–   BugChess2 1.9 64-bit2759+9
−9
(+70)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−7
0 0 = = 1 0 0 0 0 = = 0 1 0 0 1 = 1 = 1 0 1 0 0 = = 0 0 0 = 1 1
–   Jonny 4.002756+7
−7
(+67)12 − 20
(+4−12=16)
37.5%
12.0 / 32
0.0%
−10
= = = = 1 = = = 1 = 0 0 0 0 = = = = 0 = 0 1 0 = 1 = 0 = 0 0 0 0
–   Tucano 6.00 64-bit2750+13
−13
(+61)13.5 − 17.5
(+9−13=9)
43.5%
13.5 / 31
0.0%
+20
1 = 0 0 1 0 = 0 1 = 0 1 1 0 = 0 0 1 1 = 1 0 0 = 1 0 0 = = = 0
–   Godel 3.4.9 64-bit2741+12
−12
(+52)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−18
0 0 = = 0 = 1 = 1 0 0 0 0 = 0 0 1 = 1 = 0 0 1 = 1 0 1 0 1 = 0 0
–   Chronos 1.9.9 64-bit2739+7
−8
(+50)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−54
0 0 1 0 0 = 0 0 0 1 1 = 0 0 = 0 = = = 1 = 0 0 0 = 0 = 1 = = = 0
–   Cheese 1.9 64-bit2731+12
−12
(+42)17 − 15
(+11−9=12)
53.1%
17.0 / 32
0.0%
+63
= 0 = = = 0 1 1 = 0 1 1 0 = 1 0 1 = 1 = 1 = 1 0 0 = = = 0 1 1 0
–   Carballo 1.7 64-bit2723+15
−15
(+34)14 − 18
(+7−11=14)
43.8%
14.0 / 32
0.1%
−6
= = 1 0 0 = = = = 0 = = = 1 = 0 0 1 0 1 0 = = 1 = = 0 1 1 0 0 0
–   Chess Tiger 20072700+10
−11
(+11)16 − 15
(+12−11=8)
51.6%
16.0 / 31
12.1%
+21
= = = 1 1 0 0 1 1 1 1 1 = 1 0 1 0 = 0 0 = = 0 1 1 1 0 0 0 = 0
–   Arminius 2017-01-01 64-bit2688+12
−12
(−1)12.5 − 19.5
(+7−14=11)
39.1%
12.5 / 32
53.2%
−72
0 = = 0 = = = 0 0 1 0 0 0 0 0 1 1 1 1 = 0 0 1 = = = = = 1 0 0 0
–   Delfi 5.42683+7
−7
(−6)14 − 18
(+10−14=8)
43.8%
14.0 / 32
72.8%
−52
1 0 = 1 1 0 0 0 0 1 1 = = = = 1 0 0 0 1 0 1 = 0 0 0 1 = = 0 0 1
–   Djinn 1.021 64-bit2679+11
−11
(−10)20 − 12
(+14−6=12)
62.5%
20.0 / 32
85.0%
+71
1 1 = 1 1 1 1 1 = 0 = = 1 = 0 0 1 1 1 = 1 = = = = 1 0 = = 0 0 1
–   Daydreamer 1.75 64-bit2672+9
−9
(−17)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
96.1%
+125
= = 1 1 1 1 1 0 = 1 1 1 1 = 1 = = 0 1 1 0 = 1 = 1 0 = 1 1 1 1 0
–   RuyDos 1.0.2 64-bit2670+17
−17
(−19)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
95.1%
+35
= 0 0 0 1 1 0 1 = = 0 = = 0 1 1 1 = 1 1 = = 1 = = = 1 0 1 1
–   RedQueen 1.1.98 64-bit2670+13
−13
(−19)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
96.9%
−49
0 0 = 1 0 0 1 = 0 1 = 1 1 = = = 1 1 = 0 0 = 0 0 1 = 0 0 = = 0 1
–   Gandalf 7 64-bit2667+13
−13
(−22)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
98.4%
−11
0 1 0 0 = 1 = 0 1 0 0 0 1 = = = 1 1 1 1 0 0 1 1 1 0 1 = = 0 1 0
–   Alaric 7072664+7
−6
(−25)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
99.8%
+60
1 1 1 0 1 = 0 0 0 1 1 1 0 1 = 1 = 0 1 1 1 = 0 = 1 0 1 1 0 1 0 1
–   Nebula 2.0 64-bit2655+10
−10
(−34)17 − 15
(+11−9=12)
53.1%
17.0 / 32
100.0%
−13
= 1 0 = = 0 1 = 1 = = 1 = 1 1 0 0 = 0 1 1 = 1 0 = 0 1 1 = = 0 0
–   Phalanx XXV2655+13
−13
(−34)14.5 − 15.5
(+11−12=7)
48.3%
14.5 / 30
100.0%
−45
1 = 0 1 = = = 0 0 0 0 1 0 0 1 = 1 0 = 1 1 0 1 0 1 = 1 0 1 0
–   Donna 4.0 64-bit2653+13
−13
(−36)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
0
1 0 1 0 0 0 1 0 0 1 0 1 0 1 0 0 1 = = = 1 1 1 1 1 0 1 0 1 = = 1
–   Colossus 2008b2641+7
−7
(−48)17 − 15
(+12−10=10)
53.1%
17.0 / 32
100.0%
−26
0 0 0 1 = 1 0 1 1 = 1 1 0 0 1 = = 0 = 0 1 = 1 = = 0 1 = 1 0 = 1
–   Sjakk 2.2 64-bit2640+11
−11
(−49)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
100.0%
−15
= 1 0 = = = 1 0 1 0 0 = 1 1 1 1 = 0 1 0 1 1 0 = 1 0 = 1 = 0
–   Rodin 8.02636+13
−13
(−53)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
+51
1 = = 0 1 = = 1 = = 1 = 1 1 = 1 = 1 = 1 = 0 1 = 1 0 1 1 0 1
–   E.T. Chess 13.01.082634+7
−7
(−55)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+24
1 = 0 = 1 = 0 1 = = 1 = 0 = 1 0 1 1 = 1 0 0 = = 1 1 1 = 1 1
–   WyldChess 1.51 64-bit2631+13
−13
(−58)36 − 26
(+26−16=20)
58.1%
36.0 / 62
100.0%
−4
1 1 = 1 1 = 1 1 = 0 1 1 1 = 0 1 0 = 0 = 0 1 = 0 = = = 0 0 = = 0 1 1 1 1 = = = 0 0 1 1 1 1 1 0 = 0 1 = 1 0 = = 0 0 = 1 1 1 1
–   Ethereal 8.16 64-bit2630+20
−20
(−59)15.5 − 14.5
(+12−11=7)
51.7%
15.5 / 30
100.0%
−46
1 1 0 0 = 0 1 = 1 = 0 = 0 1 = 0 0 1 0 1 1 1 1 0 1 0 1 = = 0
–   Hamsters 0.7.12579+8
−8
(−110)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
100.0%
+31
= 1 1 1 = 1 = 1 = = 1 1 1 = = = 0 = 1 1 1 = 1 0 1 0 = 1 1 1
–   nanoSzachy 4.1 64-bit2559+13
−13
(−130)20.5 − 9.5
(+16−5=9)
68.3%
20.5 / 30
100.0%
−3
0 1 = 1 0 0 1 = 1 = = 1 0 1 1 1 = 1 1 1 1 0 1 1 = = 1 = = 1
–   Shield 1.3.1 64-bit2539+17
−17
(−150)19 − 11
(+15−7=8)
63.3%
19.0 / 30
100.0%
−54
1 1 = = = 1 1 0 0 1 1 1 = = 0 1 0 = 0 1 1 1 0 1 0 = 1 1 = 1
–   Green Light Chess 3.01.2.22505+8
−8
(−184)20.5 − 9.5
(+18−7=5)
68.3%
20.5 / 30
100.0%
−43
= 1 0 0 = 0 1 1 1 = 1 1 = 0 1 1 1 1 1 1 1 = 1 1 0 1 1 0 0 1
–   Dorky 4.5 64-bit2504+14
−14
(−185)19 − 11
(+14−6=10)
63.3%
19.0 / 30
100.0%
−95
1 1 = = 1 1 0 = 1 0 1 = 1 = = 0 = = 0 0 1 1 = 1 = 1 0 1 1 1
–   Yace 0.99.872503+7
−8
(−186)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+22
= 1 1 = 1 1 = = 1 1 1 1 1 1 = 1 1 1 1 1 1 = 1 = 1 = = = 0 1
–   Trace 1.37a2501+7
−7
(−188)24.5 − 5.5
(+22−3=5)
81.7%
24.5 / 30
100.0%
+66
1 1 1 1 1 1 1 1 1 0 1 = = 1 1 = 1 1 1 1 1 1 1 = 0 1 = 0 1 1
–   Schooner 1.7.0 64-bit2463+17
−16
(−226)22 − 8
(+18−4=8)
73.3%
22.0 / 30
100.0%
−57
1 1 1 1 1 = 1 0 1 1 1 = 1 0 1 1 1 1 1 0 0 = = = 1 = = = 1 1
–   Abrok 5.02434+9
−9
(−255)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
−24
= 1 = 1 1 1 1 1 1 1 = 0 1 1 0 1 = 1 1 1 1 1 1 0 1 = 1 = 1 1
–   Shallow 2 rev8 64-bit2429+17
−17
(−260)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
−70
= = 1 1 = 1 1 = 1 = 1 0 1 1 1 = 1 1 1 1 = = 1 = = 1 = 1 1 1
–   Eeyore 1.52 64-bit2426+10
−10
(−263)27 − 3
(+26−2=2)
90.0%
27.0 / 30
100.0%
+124
1 1 = = 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0

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Created in 2005-2013 by CCRL team
Last games added on May 19, 2019