CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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chess22k 1.12 64-bit (3048+16
−16		)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 13 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fizbo 2 64-bit3196+8
−8		(+148)11.5 − 22.5
(+5−16=13)
33.8%
11.5 / 34
0.0%
+42
= 0 0 = 0 = = 0 = = 0 0 1 0 = = = = 0 0 = 0 1 0 0 0 = 1 = 0 1 0 0 1
–   Andscacs 0.95 64-bit3180+10
−10		(+132)9.5 − 22.5
(+2−15=15)
29.7%
9.5 / 32
0.0%
+5
0 = 0 1 = 0 = = 0 0 = = 0 0 = 0 = 0 = 0 1 = 0 0 = = = 0 = 0 = 0
–   RofChade 2.1 64-bit3154+15
−15		(+106)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−44
0 = 0 =
–   Xiphos 0.4 64-bit3144+11
−11		(+96)13 − 21
(+2−10=22)
38.2%
13.0 / 34
0.0%
+32
= 0 0 = 0 = = = 0 = 1 = = 1 = = = 0 = = = 0 = = 0 0 = = = = 0 0 = =
–   Booot 6.2 64-bit3142+11
−11		(+94)3 − 9
(+2−8=2)		25.0%
3.0 / 12
0.0%
−102
= 0 = 0 0 0 1 0 1 0 0 0
–   Schooner 2.1 64-bit3131+16
−16		(+83)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−67
0 0 = =
–   Laser 1.6 64-bit3129+11
−11		(+81)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 = = =
–   Arasan 21.4 64-bit3126+16
−16		(+78)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Roc 1.1 64-bit3125+30
−30		(+77)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+77
= 0 1 =
–   Arasan 21.3 64-bit3122+14
−14		(+74)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Roc 1.0 64-bit3119+20
−21		(+71)3.5 − 4.5
(+1−2=5)		43.8%
3.5 / 8
0.0%
+34
= = 1 = 0 = = 0
–   Roc 0.7 64-bit3114+10
−10		(+66)6 − 6
(+2−2=8)		50.0%
6.0 / 12
0.0%
+69
= = = = 1 = 0 = = = 1 0
–   Chiron 4 64-bit3114+8
−8		(+66)15.5 − 18.5
(+7−10=17)
45.6%
15.5 / 34
0.0%
+37
= = 1 0 1 1 = 0 0 0 = 1 = 0 = = = = = 1 = 0 1 = = = = 0 0 0 = 0 1 =
–   RubiChess 1.5 64-bit3109+20
−20		(+61)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−6
= = 0 =
–   Schooner 2.0.34 64-bit3108+12
−12		(+60)15 − 21
(+3−9=24)
41.7%
15.0 / 36
0.0%
+16
0 = 1 = = 0 = = = 1 0 = 0 = 0 0 = = = = = = = = = = = = = 0 1 = = 0 = 0
–   Andscacs 0.872 64-bit3104+14
−14		(+56)4 − 8
(+1−5=6)		33.3%
4.0 / 12
0.0%
−42
= 0 = = 0 0 1 = = = 0 0
–   Fritz 16 64-bit3100+11
−11		(+52)14 − 20
(+5−11=18)
41.2%
14.0 / 34
0.0%
0
= 0 0 0 1 = 0 = = 0 = = = 0 1 = = = = 1 = = = 0 1 = 0 = = 1 0 0 = 0
–   NirvanaChess 2.4 64-bit3099+9
−9		(+51)17.5 − 21.5
(+6−10=23)
44.9%
17.5 / 39
0.0%
+22
1 = 0 0 = = = = = = 0 0 1 1 = = 0 0 = = 0 0 1 = = = = = 0 = 0 = 1 1 = = = = =
–   Roc 0.8 64-bit3099+21
−21		(+51)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−232
0 0 0 =
–   Vajolet2 2.7 64-bit3094+15
−15		(+46)15 − 23
(+5−13=20)
39.5%
15.0 / 38
0.0%
−16
0 = 0 = 1 = = 0 = = 1 1 0 = = = = = = 0 = 0 1 0 0 = = = 0 0 = 1 = 0 0 = 0 =
–   Equinox 3.20 64-bit3094+9
−9		(+46)6 − 6
(+3−3=6)		50.0%
6.0 / 12
0.0%
+46
1 0 = = 1 0 1 = = 0 = =
–   Komodo 3 64-bit3089+14
−14		(+41)6 − 6
(+2−2=8)		50.0%
6.0 / 12
0.0%
+41
1 = 1 = = 0 = = = = = 0
–   Houdini 1.5a 32-bit3088+12
−12		(+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-bit3085+13
−13		(+37)14.5 − 25.5
(+6−17=17)
36.3%
14.5 / 40
0.0%
−50
= 0 1 0 = 0 0 0 = = 0 = 1 0 = = 1 1 0 0 = 0 0 1 0 = = = 1 0 = 0 = 0 = = 0 0 = =
–   RofChade 2.0 64-bit3081+19
−19		(+33)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.4%
−117
= 0 0 =
–   Strelka 5.1 32-bit3080+15
−15		(+32)4.5 − 7.5
(+2−5=5)		37.5%
4.5 / 12
0.2%
−47
= 0 = = 1 0 0 = = 0 1 0
–   Arasan 21.1 64-bit3080+19
−19		(+32)8 − 8
(+2−2=12)		50.0%
8.0 / 16
0.5%
+27
= 1 = = = = 1 = 0 = = = 0 = = =
–   Pedone 1.9 64-bit3079+16
−16		(+31)13 − 15
(+6−8=14)		46.4%
13.0 / 28
0.3%
+9
= = = = 0 1 = 0 0 0 0 0 = 0 = = = 1 1 1 = = 0 1 = 1 = =
–   Arasan 21.2 64-bit3077+16
−16		(+29)16 − 20
(+4−8=24)
44.4%
16.0 / 36
0.5%
+1
= = = = 0 = 0 0 = 0 0 = = 0 1 = 0 = = = 1 = = = 1 = = = = = = 1 0 = = =
–   Texel 1.07 64-bit3074+11
−11		(+26)22.5 − 21.5
(+10−9=25)
51.1%
22.5 / 44
0.3%
+32
1 = 1 = = 1 = 0 0 = = 1 = = 0 1 = 0 = = = = = 0 = = = 1 0 1 = = 1 = 1 = = 0 1 = = 0 = 0
–   Critter 1.4 32-bit3072+14
−13		(+24)5 − 7
(+2−4=6)		41.7%
5.0 / 12
1.2%
−28
= = 0 = = 1 = 0 = 0 1 0
–   ChessBrainVB 3.723060+15
−15		(+12)20.5 − 17.5
(+11−8=19)
53.9%
20.5 / 38
11.9%
+36
1 0 1 0 = = 1 0 = = 0 1 1 1 = = 0 1 = 1 1 1 = 1 = = 0 = = 0 0 = = = = = = =
–   Vajolet2 2.6 64-bit3059+15
−15		(+11)18 − 20
(+7−9=22)
47.4%
18.0 / 38
16.0%
−3
1 0 = 0 = = 1 = 0 1 = = = = = 1 = = = = 1 0 0 = 0 = 1 = = = = 0 0 = 1 0 = =
–   Pedone 1.8 64-bit3058+16
−16		(+10)23 − 19
(+13−9=20)
54.8%
23.0 / 42
18.4%
+39
= 1 1 = = 0 1 = 1 = = = 1 1 1 0 1 = 1 0 = 0 = = 1 = 0 = = 0 1 = = = = 1 = 0 0 0 1 =
–   ChessBrainVB 3.703043+23
−23		(−5)7 − 8
(+3−4=8)		46.7%
7.0 / 15
63.8%
−27
1 0 1 0 = = = 0 = = = = 0 1 =
–   Ethereal 9.65 64-bit3040+17
−17		(−8)6.5 − 5.5
(+3−2=7)		54.2%
6.5 / 12
75.3%
+16
= = 1 0 0 = = = 1 = = 1
–   Wasp 3.60 64-bit3039+20
−20		(−9)4 − 4
(+2−2=4)		50.0%
4.0 / 8
75.6%
−9
= 0 = = 1 0 = 1
–   RubiChess 1.4 64-bit3036+17
−17		(−12)17.5 − 16.5
(+8−7=19)
51.5%
17.5 / 34
84.2%
−4
1 0 0 = = = = = 1 = 0 1 1 = 0 1 = = 0 = = 0 = 1 = = 0 1 = 1 = = = =
–   Senpai 2.0 64-bit3030+11
−11		(−18)19 − 18
(+7−6=24)
51.4%
19.0 / 37
96.7%
−11
0 = = = = 1 = = = 0 = = 1 0 = 0 = 0 = = 1 = 0 = 1 = = 1 = = = 1 = 1 = = =
–   Wasp 3.50 64-bit3028+13
−13		(−20)16.5 − 15.5
(+10−9=13)
51.6%
16.5 / 32
97.4%
−9
= = 1 = 0 1 = 0 = 1 1 = = = = = 0 = 0 = 1 1 0 1 0 0 1 0 = 1 1 0
–   SmarThink 1.98 64-bit3025+13
−13		(−23)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
98.8%
+4
= 0 0 = 1 = 0 = = 0 = = = 1 = = = 1 = = 0 = 1 1 1 = 1 1 = 0 = 1 0 1
–   IvanHoe 9.46h 32-bit3022+13
−13		(−26)7 − 5
(+5−3=4)		58.3%
7.0 / 12
99.2%
+33
1 = 1 1 = = 0 0 0 1 1 =
–   Rybka 3 Dynamic 64-bit3020+27
−26		(−28)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
96.2%
0
1 = 1 0 1 = = 0 1 0 = =
–   Hakkapeliitta TCEC v2 64-bit2999+13
−13		(−49)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
+7
= 0 = = = 1 1 = 0 1 = 1 1 0 1 = 1 = = = = = 0 1 = = 1 = = 1
–   Defenchess 1.1f 64-bit2996+12
−12		(−52)6 − 4
(+2−0=8)		60.0%
6.0 / 10
100.0%
−2
= 1 = = 1 = = = = =
–   Stockfish 1.8 32-bit2989+17
−16		(−59)8.5 − 3.5
(+7−2=3)		70.8%
8.5 / 12
100.0%
+89
1 1 1 0 = 1 1 = = 1 0 1
–   Rodent III 0.275 64-bit2985+15
−15		(−63)18.5 − 11.5
(+8−1=21)
61.7%
18.5 / 30
100.0%
−1
= = 1 = = = = = = 1 1 = = = = = 1 = = 0 = 1 = 1 = 1 = = = 1
–   RubiChess 1.3 64-bit2980+21
−21		(−68)7 − 7
(+5−5=4)		50.0%
7.0 / 14
100.0%
−71
0 = 1 0 1 = = = 1 1 0 1 0 0
–   Demolito 2018-10-29 64-bit2977+15
−15		(−71)16 − 16
(+10−10=12)
50.0%
16.0 / 32
100.0%
−68
1 = 1 1 0 0 1 = 1 0 = 1 1 0 = 1 1 = 0 0 = 1 0 = 0 = 0 = 0 = = =
–   Pirarucu 2.9.5 64-bit2966+19
−19		(−82)9.5 − 4.5
(+6−1=7)		67.9%
9.5 / 14
100.0%
+25
1 = = 1 = 1 = = 0 = = 1 1 1
–   Pirarucu 2.7.4 64-bit2949+17
−17		(−99)19.5 − 12.5
(+11−4=17)
60.9%
19.5 / 32
100.0%
−36
= 1 1 1 = 1 = 1 1 0 = = = = 1 = = = = = 1 = = 1 0 = 1 = = 0 1 0
–   Crafty 25.2 64-bit2931+11
−11		(−117)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
+35
1 = 1 = = = = 1 1 = 1 0 1 = 1 = = 1 1 = 1 = 1 1 1 = 1 1 1 0 = = 1 1
–   Naum 4 32-bit2929+14
−14		(−119)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+34
1 = 0 = 1 1 1 1 1 0
–   Pirarucu 2.6.1 64-bit2924+20
−20		(−124)7 − 5
(+4−2=6)		58.3%
7.0 / 12
100.0%
−72
= = 1 0 1 = = 0 1 = 1 =
–   Dirty CUCUMBER 64-bit2917+12
−12		(−131)24 − 10
(+19−5=10)
70.6%
24.0 / 34
100.0%
+10
1 = 1 1 = 1 1 1 1 = 1 1 = 1 = 0 = = 0 0 1 0 1 1 = 0 1 1 1 1 1 1 = =
–   Tucano 7.07 64-bit2842+17
−17		(−206)30 − 10
(+22−2=16)
75.0%
30.0 / 40
100.0%
−44
= = = = = = 1 1 = = 1 1 1 = 1 1 1 1 1 1 1 = = 1 1 = 0 1 1 1 = 1 1 = = 0 1 1 = 1
1233 games: 294 wins, 316 losses, 623 draws (50.5%), score: 49.1%

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Created in 2005-2013 by CCRL team
Last games added on January 24, 2021