CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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chess22k 1.12 64-bit#42‑43  (3050+16
−16
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 11 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Schooner 2.1 64-bit3217+100
−98
(+167)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.1%
−INF
0 0
–   Fizbo 2 64-bit3198+9
−9
(+148)11.5 − 22.5
(+5−16=13)
33.8%
11.5 / 34
0.0%
+42
1 0 0 0 = 1 = 0 1 0 0 1 = 0 0 = 0 = = 0 = = 0 0 1 0 = = = = 0 0 = 0
–   Andscacs 0.95 64-bit3185+12
−12
(+135)9.5 − 22.5
(+2−15=15)
29.7%
9.5 / 32
0.0%
+8
0 = 0 1 = 0 = = 0 0 = = 0 0 = 0 = 0 = 0 1 = 0 0 = = = 0 = 0 = 0
–   RofChade 2.1 64-bit3156+17
−17
(+106)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−44
0 = 0 =
–   Xiphos 0.4 64-bit3150+12
−12
(+100)13 − 21
(+2−10=22)
38.2%
13.0 / 34
0.0%
+36
= = 0 0 = = = = 0 0 = = = 0 0 = 0 = = = 0 = 1 = = 1 = = = 0 = = = 0
–   Booot 6.2 64-bit3143+11
−11
(+93)3 − 9
(+2−8=2)
25.0%
3.0 / 12
0.0%
−103
= 0 = 0 0 0 1 0 1 0 0 0
–   Roc 1.1 64-bit3131+117
−121
(+81)0 − 1
(+0−1=0)
0.0%
0.0 / 1
9.2%
−INF
0
–   Laser 1.6 64-bit3130+12
−12
(+80)10 − 24
(+0−14=20)
29.4%
10.0 / 34
0.0%
−36
0 0 = = 0 0 = 0 0 = = = = = = 0 0 0 = = = = = 0 = = 0 = = 0 = = 0 0
–   RubiChess 1.5 64-bit3123+40
−40
(+73)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+42
=
–   Arasan 21.3 64-bit3123+15
−15
(+73)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Roc 1.0 64-bit3119+21
−21
(+69)3.5 − 4.5
(+1−2=5)
43.8%
3.5 / 8
0.0%
+32
0 1 = = = = = 0
–   Roc 0.7 64-bit3115+11
−11
(+65)6 − 6
(+2−2=8)
50.0%
6.0 / 12
0.0%
+68
= = = = 1 = 0 = = = 1 0
–   Chiron 4 64-bit3114+9
−9
(+64)15.5 − 18.5
(+7−10=17)
45.6%
15.5 / 34
0.0%
+35
1 = = = = 0 0 0 = 0 1 = = = 1 0 1 1 = 0 0 0 = 1 = 0 = = = = = 1 = 0
–   Schooner 2.0.34 64-bit3110+12
−12
(+60)15 − 21
(+3−9=24)
41.7%
15.0 / 36
0.0%
+16
= = = = = = = = = 0 1 = = 0 = 0 1 = = 0 = = = 1 0 = 0 = 0 0 = = = = 0 =
–   Andscacs 0.872 64-bit3105+14
−14
(+55)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.0%
−43
= 0 = = 0 0 1 = = = 0 0
–   NirvanaChess 2.4 64-bit3101+9
−9
(+51)16.5 − 19.5
(+5−8=23)
45.8%
16.5 / 36
0.0%
+27
= = = = = 0 = 0 = 1 1 = = = = = = = = = = = 0 0 1 1 = = 0 0 = = = 0 0 1
–   Fritz 16 64-bit3101+11
−11
(+51)14 − 20
(+5−11=18)
41.2%
14.0 / 34
0.0%
−1
= 0 1 = 0 = = 1 0 0 = 0 = 0 0 0 1 = 0 = = 0 = = = 0 1 = = = = 1 = =
–   Roc 0.8 64-bit3100+21
−21
(+50)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−233
0 0 0 =
–   Equinox 3.20 64-bit3096+9
−9
(+46)6 − 6
(+3−3=6)
50.0%
6.0 / 12
0.0%
+46
1 0 = = 1 0 1 = = 0 = =
–   Vajolet2 2.7 64-bit3096+16
−16
(+46)14.5 − 20.5
(+5−11=19)
41.4%
14.5 / 35
0.0%
−3
= 0 = 1 = = 0 = = 1 1 0 = = = = = = 0 = 0 1 0 0 = = = 0 0 = 1 0 = 0 =
–   Komodo 3 64-bit3092+14
−14
(+42)6 − 6
(+2−2=8)
50.0%
6.0 / 12
0.0%
+42
1 = 1 = = 0 = = = = = 0
–   Houdini 1.5a 32-bit3090+14
−14
(+40)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
0.0%
+8
1 = = 1 0 0 = 0 1 0 1 0
–   Nemorino 5.00 64-bit3089+15
−15
(+39)13 − 24
(+5−16=16)
35.1%
13.0 / 37
0.0%
−55
1 0 = 0 = 0 = = 0 0 = = 0 0 = = 0 = 1 0 = = 1 1 0 0 = 0 0 0 1 = 0 0 = = =
–   Arasan 21.4 64-bit3088+92
−95
(+38)0 − 1
(+0−1=0)
0.0%
0.0 / 1
21.7%
−INF
0
–   Pedone 1.9 64-bit3085+18
−18
(+35)12.5 − 12.5
(+6−6=13)
50.0%
12.5 / 25
0.2%
+36
= = 1 = 0 0 0 0 0 = 1 1 1 = = = = = = 0 1 = 1 = =
–   Strelka 5.1 32-bit3083+16
−16
(+33)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
0.2%
−46
= 0 = = 1 0 0 = = 0 1 0
–   RofChade 2.0 64-bit3082+19
−19
(+32)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.4%
−118
= 0 0 =
–   Arasan 21.1 64-bit3082+19
−19
(+32)8 − 8
(+2−2=12)
50.0%
8.0 / 16
0.5%
+27
= 1 = = = = 1 = 0 = = = 0 = = =
–   Arasan 21.2 64-bit3078+16
−16
(+28)16 − 20
(+4−8=24)
44.4%
16.0 / 36
0.6%
0
= = 0 = 0 0 = 0 0 = = 0 1 = 0 = = = 1 = = = 1 = = = = = = 1 0 = = = = =
–   Texel 1.07 64-bit3075+12
−12
(+25)20 − 21
(+8−9=24)
48.8%
20.0 / 41
0.5%
+16
0 1 = = 1 = 1 = = 0 1 = = 0 = 0 = 0 0 = = 1 = = 0 1 = 0 = = = = = = 0 1 = = = = 1
–   Critter 1.4 32-bit3074+14
−14
(+24)5 − 7
(+2−4=6)
41.7%
5.0 / 12
1.5%
−28
= = 0 = = 1 = 0 = 0 1 0
–   ChessBrainVB 3.723062+16
−16
(+12)19 − 16
(+10−7=18)
54.3%
19.0 / 35
12.5%
+39
= = = = 0 = = 0 1 1 1 = = 0 1 = 1 1 1 = 1 = = 0 = = 0 0 = = = 1 0 1 =
–   Vajolet2 2.6 64-bit3060+15
−15
(+10)18 − 20
(+7−9=22)
47.4%
18.0 / 38
17.8%
−4
1 = = = = 0 0 = 1 0 = = 0 = = 1 = 0 1 = = = = = 1 = = = = 1 0 0 = 0 = 1 0 =
–   Pedone 1.8 64-bit3059+16
−16
(+9)23 − 19
(+13−9=20)
54.8%
23.0 / 42
19.6%
+38
0 = = 0 1 = = = = 1 = 0 0 0 1 = 1 = = 0 1 = 1 = = = 1 1 1 0 1 = 1 0 = 0 = = 1 = = 1
–   ChessBrainVB 3.703044+23
−23
(−6)7 − 8
(+3−4=8)
46.7%
7.0 / 15
66.6%
−28
1 0 1 0 = = = 0 = = = = 0 1 =
–   Ethereal 9.65 64-bit3041+17
−17
(−9)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
78.0%
+15
= = 1 0 0 = = = 1 = = 1
–   Wasp 3.60 64-bit3039+21
−21
(−11)2.5 − 2.5
(+2−2=1)
50.0%
2.5 / 5
78.7%
−21
1 0 0 = 1
–   RubiChess 1.4 64-bit3037+17
−17
(−13)17.5 − 16.5
(+8−7=19)
51.5%
17.5 / 34
86.6%
−5
1 0 0 = = = = = 1 = 0 1 1 = 0 1 = = 0 = = 0 = 1 = = 0 1 = 1 = = = =
–   Senpai 2.0 64-bit3036+12
−12
(−14)19 − 18
(+7−6=24)
51.4%
19.0 / 37
91.1%
−7
= = 1 = = = 1 = 1 = = = 0 = = = = 1 = = = 0 = = 1 0 = 0 = 0 = = 1 = 0 = 1
–   Wasp 3.50 64-bit3029+13
−13
(−21)16.5 − 15.5
(+10−9=13)
51.6%
16.5 / 32
97.9%
−10
= = 1 = 0 1 = 0 = 1 1 = = = = = 0 = 0 = 1 1 0 1 0 0 1 0 = 1 1 0
–   SmarThink 1.98 64-bit3027+13
−13
(−23)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.8%
+4
0 = 1 1 1 = 1 1 = 0 = 1 0 1 0 = 1 = 0 = = 0 = = = 1 = = = 1 = = = 0
–   IvanHoe 9.46h 32-bit3023+14
−13
(−27)7 − 5
(+5−3=4)
58.3%
7.0 / 12
99.4%
+32
1 = 1 1 = = 0 0 0 1 1 =
–   Rybka 3 Dynamic 64-bit3021+28
−27
(−29)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
96.3%
−1
1 = 1 0 1 = = 0 1 0 = =
–   Hakkapeliitta TCEC v2 64-bit2998+13
−13
(−52)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
+4
1 = = = = = 0 1 = = 1 = = 1 = 0 = = = 1 1 = 0 1 = 1 1 0 1 =
–   Defenchess (SCTR) 1.1f 64-bit2997+12
−12
(−53)6 − 4
(+2−0=8)
60.0%
6.0 / 10
100.0%
−3
= 1 = = 1 = = = = =
–   Stockfish 1.8 32-bit2987+18
−18
(−63)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+85
1 1 1 0 = 1 1 = = 1 0 1
–   Rodent III 0.275 64-bit2985+15
−15
(−65)18.5 − 11.5
(+8−1=21)
61.7%
18.5 / 30
100.0%
−3
1 = = 0 = 1 = 1 = 1 = = = 1 = = 1 = = = = = = 1 1 = = = = =
–   RubiChess 1.3 64-bit2979+21
−21
(−71)7 − 7
(+5−5=4)
50.0%
7.0 / 14
100.0%
−74
= = 1 1 0 1 0 0 0 = 1 0 1 =
–   Demolito 2018-10-29 64-bit2977+15
−15
(−73)16 − 16
(+10−10=12)
50.0%
16.0 / 32
100.0%
−70
0 = 0 = 0 = 0 = = = 1 = 1 1 0 0 1 = 1 0 = 1 1 0 = 1 1 = 0 0 = 1
–   Pirarucu 2.9.5 64-bit2965+19
−19
(−85)9.5 − 4.5
(+6−1=7)
67.9%
9.5 / 14
100.0%
+22
= 1 = = 1 = = 1 0 = = 1 1 1
–   Pirarucu 2.7.4 64-bit2949+17
−17
(−101)19.5 − 12.5
(+11−4=17)
60.9%
19.5 / 32
100.0%
−38
= 1 1 1 = 1 = 1 1 0 = = = = 1 = = = = = 1 = = 1 0 = 1 = = 0 1 0
–   Crafty 25.2 64-bit2930+11
−11
(−120)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
+32
1 1 1 = 1 1 1 0 = = 1 1 1 = 1 = = = = 1 1 = 1 0 1 = 1 = = 1 1 = 1 =
–   Naum 4 32-bit2930+14
−14
(−120)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+33
1 = 0 = 1 1 1 1 1 0
–   Pirarucu 2.6.1 64-bit2925+20
−20
(−125)7 − 5
(+4−2=6)
58.3%
7.0 / 12
100.0%
−73
= = 1 0 1 = = 0 1 = 1 =
–   Dirty CUCUMBER 64-bit2916+14
−14
(−134)24 − 10
(+19−5=10)
70.6%
24.0 / 34
100.0%
+7
1 1 = 0 1 1 1 1 1 1 = = 1 = 1 1 = 1 1 1 1 = 1 1 = 1 = 0 = = 0 0 1 0
–   Tucano 7.07 64-bit2840+18
−18
(−210)30 − 10
(+22−2=16)
75.0%
30.0 / 40
100.0%
−48
= = = = = = 1 1 = = 1 1 1 = 1 1 1 1 1 1 1 = = 1 1 = 0 1 1 1 = 1 1 = = 0 1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on July 11, 2019