CCRL 40/15
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 1'220'986 games
played by 2'799 programs

White wins: 419'408 (34.3%)
Black wins: 308'533 (25.3%)
Draws: 493'045 (40.4%)
White score: 54.5%

Engine Details

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chess22k 1.13 64-bit (3062+18
−18
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 13 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   RofChade 2.202 64-bit3205+12
−12
(+143)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
0
0 =
–   Schooner 2.2 64-bit3203+10
−10
(+141)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−16
0 =
–   Defenchess 2.2 64-bit3203+10
−10
(+141)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
0.0%
+57
= 0 = = = 0 = 0 = =
–   Booot 6.3.1 64-bit3200+9
−9
(+138)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.0%
+42
= 0 1 = 0 = 0 0 0 = = =
–   Fritz 17 64-bit3191+16
−16
(+129)6 − 26
(+1−21=10)
18.8%
6.0 / 32
0.0%
−90
0 0 = = = 0 = = 0 0 0 0 0 = = 0 0 0 0 0 = 0 0 = 0 = 0 1 0 0 0 0
–   Andscacs 0.95 64-bit3180+9
−9
(+118)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−143
0 = 0 0 0 1 0 0
–   RubiChess 1.6.1 64-bit3169+23
−23
(+107)7 − 15
(+1−9=12)
31.8%
7.0 / 22
0.0%
+1
= 0 = 0 = 0 0 = = = 1 = 0 0 = 0 = 0 = = 0 =
–   RubiChess 1.6 64-bit3159+19
−19
(+97)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.0%
+97
= = = =
–   Roc 1.6 64-bit3155+22
−22
(+93)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Defenchess 2.1 64-bit3148+22
−22
(+86)7.5 − 12.5
(+1−6=13)
37.5%
7.5 / 20
0.0%
+16
= 0 = = 0 0 = = 0 = 1 = = = = = 0 = 0 =
–   Xiphos 0.4 64-bit3144+11
−11
(+82)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
0.0%
+54
1 0 = = = = = = = 0
–   Arasan 22.0 64-bit3140+18
−18
(+78)8 − 14
(+1−7=14)
36.4%
8.0 / 22
0.0%
+1
0 1 0 = 0 = = 0 = = 0 = = = = = = = 0 = 0 =
–   Andscacs 0.91 64-bit3139+16
−16
(+77)4 − 8
(+0−4=8)
33.3%
4.0 / 12
0.0%
−12
0 = = = = = 0 = = 0 = 0
–   Schooner 2.1 64-bit3132+16
−16
(+70)2.5 − 11.5
(+0−9=5)
17.9%
2.5 / 14
0.0%
−151
0 0 = = 0 0 0 = = 0 = 0 0 0
–   Laser 1.6 64-bit3130+10
−11
(+68)6 − 6
(+2−2=8)
50.0%
6.0 / 12
0.0%
+64
= = = 0 = = 1 0 = 1 = =
–   Roc 1.1 64-bit3126+30
−30
(+64)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−218
0 = 0 0
–   Arasan 21.4 64-bit3126+16
−16
(+64)16.5 − 23.5
(+7−14=19)
41.3%
16.5 / 40
0.0%
+11
0 1 0 0 0 0 0 = 0 = 1 1 0 = = 0 1 1 = = 1 0 = 0 = 0 = = = 1 = 0 0 = = = = = = =
–   Arasan 21.3 64-bit3122+14
−14
(+60)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+60
0 1 = = 1 = = = = 0
–   Gull 3 64-bit3119+7
−7
(+57)9 − 13
(+2−6=14)
40.9%
9.0 / 22
0.0%
+6
= 0 = 0 = = 0 1 1 = = 0 = = = = = 0 = = 0 =
–   Roc 1.3 64-bit3115+23
−23
(+53)20.5 − 21.5
(+10−11=21)
48.8%
20.5 / 42
0.0%
+49
0 1 0 = = = 1 = 0 = 1 = = = 0 = = 1 0 = 1 0 1 0 0 = = 0 = = = 0 1 1 = = 1 = = = 1 0
–   Chiron 4 64-bit3114+9
−9
(+52)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−75
1 = 0 0 = 0 0 = 0 = 0 =
–   RubiChess 1.5 64-bit3109+20
−20
(+47)7 − 7
(+2−2=10)
50.0%
7.0 / 14
0.0%
+44
= = = = 1 1 = 0 = = = 0 = =
–   Pedone 2.0 64-bit3107+17
−17
(+45)10 − 10
(+4−4=12)
50.0%
10.0 / 20
0.0%
+45
1 = = 1 = = 1 = 0 0 = = = 0 = = = 0 = 1
–   SlowChess Blitz Classic 1.9 64-bit3104+23
−23
(+42)7 − 9
(+2−4=10)
43.8%
7.0 / 16
0.2%
+7
= 1 0 = = = = = 1 = = 0 = = 0 0
–   Komodo 5.1 64-bit3103+17
−17
(+41)7 − 5
(+5−3=4)
58.3%
7.0 / 12
0.1%
+96
0 1 = = 0 1 = 1 1 = 1 0
–   Vajolet2 2.8 64-bit3100+15
−15
(+38)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.1%
+38
0 1 = 1 0 1 0 =
–   NirvanaChess 2.4 64-bit3099+9
−9
(+37)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+194
1 =
–   Lc0 0.21.3 wLD2 64-bit3094+33
−33
(+32)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
4.3%
+63
= = 1 0 = 0 1 1 1 0
–   Vajolet2 2.7 64-bit3094+15
−15
(+32)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.3%
+32
= = = =
–   Roc 1.5 64-bit3093+36
−36
(+31)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
6.7%
−28
= 0 = =
–   Houdini 1.5a 32-bit3088+12
−12
(+26)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
0.9%
+50
0 1 0 = = 1 = 0 1 1 = =
–   Nemorino 5.00 64-bit3086+13
−12
(+24)6 − 8
(+2−4=8)
42.9%
6.0 / 14
1.5%
−19
= 0 1 = 0 = = = 1 0 = = 0 =
–   Strelka 5.1 32-bit3080+15
−15
(+18)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
6.8%
−13
= = 0 = 0 1 = 0 = 1
–   Pedone 1.9 64-bit3079+16
−16
(+17)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
7.7%
+306
1 1 1 =
–   Texel 1.07 64-bit3074+11
−11
(+12)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
13.7%
−39
= 0 0 1 = =
–   Igel 2.4.0 64-bit3068+21
−21
(+6)10 − 8
(+5−3=10)
55.6%
10.0 / 18
32.9%
+39
= 0 1 0 1 1 1 = 0 = = = = = = = = 1
–   Lc0 0.23.2 wLD2 64-bit3066+36
−36
(+4)1 − 3
(+0−2=2)
25.0%
1.0 / 4
42.2%
−145
0 = = 0
–   ChessBrainVB 3.743065+15
−15
(+3)21.5 − 28.5
(+11−18=21)
43.0%
21.5 / 50
39.7%
−41
= = = = 0 = = 0 0 = = 1 = = 1 0 0 0 = 1 0 = = 1 = = 1 0 0 0 = = 0 = = = 0 0 1 1 = 0 0 0 1 1 1 0 0 1
–   Wasp 3.75 64-bit3062+16
−16
(0)26.5 − 25.5
(+10−9=33)
51.0%
26.5 / 52
49.9%
+4
0 = 1 0 = = 1 0 = 0 1 = 1 = = = = = 1 = 1 = = = = = 0 = 1 = = = = = = 1 0 = = 1 = = 0 = = 1 = = 0 = 0 =
–   iCE 4.0 64-bit3060+15
−15
(−2)15 − 21
(+6−12=18)
41.7%
15.0 / 36
56.4%
−49
= 0 = 0 = 1 = = = = = = 0 1 = = 0 0 1 = 0 1 0 1 = 0 0 = = = 0 0 = 1 = 0
–   Critter 1.2 32-bit3059+14
−14
(−3)4.5 − 7.5
(+1−4=7)
37.5%
4.5 / 12
61.8%
−75
= = 0 = = = 0 0 = 1 = 0
–   Igel 2.3.1 64-bit3056+23
−23
(−6)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
67.0%
+17
= 1 = 0 = 1 = 0 1 = 0 1
–   Stockfish 1.9.1 64-bit3034+20
−20
(−28)6 − 4
(+3−1=6)
60.0%
6.0 / 10
98.0%
+31
= = 0 = = = 1 1 1 =
–   Demolito 2019-07-15 64-bit3034+22
−23
(−28)13.5 − 10.5
(+7−4=13)
56.3%
13.5 / 24
97.7%
+5
= = = 0 1 1 1 = 1 0 = = 1 = 0 = = = = 1 = = 0 1
–   Fat Fritz Junior w510 64-bit3030+26
−26
(−32)1 − 1
(+1−1=0)
50.0%
1.0 / 2
97.8%
−32
1 0
–   Pirarucu 3.0.7 64-bit3013+19
−19
(−49)13.5 − 12.5
(+4−3=19)
51.9%
13.5 / 26
100.0%
−38
= 1 0 = = = = = = 1 = = 0 = 0 = = = 1 = 1 = = = = =
–   Sting SF 19 64-bit3007+24
−24
(−55)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+94
= 1 = 1
–   Monolith 2 64-bit3004+17
−17
(−58)10 − 4
(+7−1=6)
71.4%
10.0 / 14
100.0%
+78
1 1 = 1 = 1 1 1 = 1 = = 0 =
–   Winter 0.7 64-bit3002+17
−17
(−60)14 − 8
(+8−2=12)
63.6%
14.0 / 22
100.0%
+18
= 1 1 = = = 1 = = = 1 = = 0 = 1 0 1 = 1 1 =
–   Rybka 3 32-bit2995+12
−12
(−67)9.5 − 2.5
(+9−2=1)
79.2%
9.5 / 12
100.0%
+184
= 1 0 1 1 1 1 1 1 0 1 1
–   Pirarucu 3.2.4 64-bit2994+22
−22
(−68)7.5 − 4.5
(+3−0=9)
62.5%
7.5 / 12
100.0%
−3
1 = = = 1 = = = = 1 = =
–   Bagatur 2.0 64-bit2992+23
−23
(−70)8.5 − 5.5
(+4−1=9)
60.7%
8.5 / 14
100.0%
−10
= 1 = = 1 0 = 1 = = = = 1 =
–   Rodent III 0.281 64-bit2992+20
−20
(−70)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+22
0 1 1 =
–   Rodent IV 022 64-bit2989+22
−22
(−73)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−62
= 1 0 =
–   Igel 2.3.0 64-bit2987+27
−27
(−75)11.5 − 6.5
(+7−2=9)
63.9%
11.5 / 18
100.0%
+7
= = = 1 1 1 0 1 = = = = 0 1 1 1 = =
–   Topple 0.7.5 64-bit2983+17
−17
(−79)13.5 − 4.5
(+10−1=7)
75.0%
13.5 / 18
100.0%
+86
1 1 = = = 0 = 1 1 = 1 1 1 = = 1 1 1
–   Deuterium 2019.2.37.73 64-bit2981+15
−15
(−81)14.5 − 9.5
(+8−3=13)
60.4%
14.5 / 24
100.0%
−22
0 1 = 1 = = = = 1 = = 1 = 0 1 0 = = 1 = 1 = 1 =
–   Godel 7.0 64-bit2980+17
−17
(−82)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−82
1 = = 0
–   Marvin 3.5.0 64-bit2973+22
−23
(−89)9 − 5
(+6−2=6)
64.3%
9.0 / 14
100.0%
+2
= = 1 1 0 = = 1 1 1 0 1 = =
–   Amoeba 3.1 64-bit2968+20
−20
(−94)6.5 − 6.5
(+3−3=7)
50.0%
6.5 / 13
100.0%
−97
= 0 = = 1 = = 0 = 1 0 1 =
–   Amoeba 3.0 64-bit2962+15
−15
(−100)6 − 6
(+2−2=8)
50.0%
6.0 / 12
100.0%
−96
= = 0 1 = = = 0 = = = 1
–   Naum 4 64-bit2955+13
−13
(−107)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
100.0%
−75
1 1 0 = 0 = 1 0 1 = = =
–   SlowChess Blitz Classic 1.5 64-bit2955+22
−22
(−107)15 − 5
(+11−1=8)
75.0%
15.0 / 20
100.0%
+54
1 1 1 1 = 1 1 1 1 = = 1 = = 1 = = 0 1 =
–   Marvin 3.4.0 64-bit2937+19
−19
(−125)7.5 − 4.5
(+6−3=3)
62.5%
7.5 / 12
100.0%
−31
0 0 = 1 1 1 = 1 = 1 0 1
–   Bagatur 1.9 64-bit2928+23
−23
(−134)11 − 5
(+7−1=8)
68.8%
11.0 / 16
100.0%
−24
1 = 0 = 1 = 1 = = 1 = 1 = = 1 1
–   Godel 6.0 64-bit2923+19
−19
(−139)8 − 6
(+6−4=4)
57.1%
8.0 / 14
100.0%
−90
1 1 = 1 0 1 0 = 0 = = 1 1 0
–   Crafty 25.6 64-bit2905+23
−23
(−157)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−97
= 1 = =
–   Tucano 8.00 64-bit2885+18
−18
(−177)14 − 2
(+12−0=4)
87.5%
14.0 / 16
100.0%
+111
= 1 1 1 1 1 1 1 = 1 1 = 1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on March 2, 2021