CCRL 40/40
Downloads and Statistics
February 24, 2018
Testing summary:
Total: 798'040 games
played by 2'050 programs
110768 CPU days (X2 4600+)

White wins: 273'610 (34.3%)
Black wins: 202'540 (25.4%)
Draws: 321'890 (40.3%)
White score: 54.5%

Engine Details

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chess22k 1.7 64-bit#60‑61  (2900+25
−25
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 5 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Arasan 20.4.1 64-bit3036+19
−19
(+136)3.5 − 14.5
(+0−11=7)
19.4%
3.5 / 18
0.0%
−67
= = = 0 = 0 = 0 0 = 0 0 0 0 0 0 0 =
–   SmarThink 1.98 64-bit3020+27
−27
(+120)3 − 11
(+1−9=4)
21.4%
3.0 / 14
0.0%
−81
0 1 = = 0 = = 0 0 0 0 0 0 0
–   Gull 3.1 64-bit3018+18
−18
(+118)4 − 12
(+1−9=6)
25.0%
4.0 / 16
0.0%
−45
0 0 0 = = = = 0 0 0 0 0 1 0 = =
–   Naum 4.6 64-bit3017+12
−12
(+117)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−40
0 =
–   Pedone 1.7 64-bit3015+24
−24
(+115)5 − 9
(+0−4=10)
35.7%
5.0 / 14
0.0%
+36
0 = = = = 0 = 0 = = = = = 0
–   Sting SF 9 64-bit2999+19
−19
(+99)3.5 − 12.5
(+2−11=3)
21.9%
3.5 / 16
0.0%
−117
0 0 0 = 0 0 = 0 1 0 = 0 0 0 1 0
–   Vajolet2 2.5 64-bit2998+26
−26
(+98)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
0.0%
+77
0 0 = = 1 0 = 0 = 1 = 1
–   SmarThink 1.97 64-bit2997+16
−16
(+97)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−60
= 0
–   ChessBrainVB 3.612986+27
−27
(+86)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Rodent III 0.238 64-bit2982+20
−20
(+82)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−74
0 =
–   Chiron 1.1a 64-bit2981+14
−14
(+81)7.5 − 8.5
(+3−4=9)
46.9%
7.5 / 16
0.0%
+64
= 0 1 = 0 = = = 1 = = 0 0 1 = =
–   Defenchess (SCTR) 1.1f 64-bit2979+23
−23
(+79)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+235
1 =
–   Pedone 1.6 64-bit2978+19
−19
(+78)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+108
=
–   Vajolet2 2.4 64-bit2967+21
−21
(+67)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+223
= 1
–   Ethereal 9.00 64-bit2963+21
−21
(+63)2 − 1
(+2−1=0)
66.7%
2.0 / 3
0.0%
+228
1 1 0
–   Hiarcs 142962+11
−11
(+62)2 − 0
(+2−0=0)
100.0%
2.0 / 2
0.0%
+INF
1 1
–   Hakkapeliitta 3.0 64-bit2956+12
−12
(+56)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−101
0 =
–   Wasp 2.6 64-bit2951+15
−15
(+51)7.5 − 10.5
(+4−7=7)
41.7%
7.5 / 18
0.0%
+1
1 0 = 0 0 = 1 1 0 1 = 0 = = = 0 = 0
–   Deep Sjeng c't 20102942+10
−10
(+42)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.1%
−INF
0 0
–   Crafty 25.2 64-bit2932+16
−16
(+32)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
1.5%
−125
= 0
–   Deep Junior Yokohama 64-bit2922+15
−15
(+22)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
7.1%
−135
0 =
–   Cheng 4.39 64-bit2921+13
−13
(+21)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
7.1%
−121
0 =
–   Bobcat 8.0 64-bit2918+15
−15
(+18)1 − 2
(+0−1=2)
33.3%
1.0 / 3
11.1%
−64
= = 0
–   Scorpio 2.8 64-bit2917+88
−87
(+17)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
35.6%
+225
1 = 1
–   Amoeba 2.7 64-bit2913+17
−18
(+13)7 − 9
(+2−4=10)
43.8%
7.0 / 16
19.3%
−23
= 1 0 0 = 0 1 = = = = 0 = = = =
–   Toga II 4.0 64-bit2910+21
−21
(+10)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
27.0%
+69
= 1 = =
–   Demolito 2017-08-26 64-bit2893+20
−20
(−7)10 − 9
(+3−2=14)
52.6%
10.0 / 19
66.7%
+5
1 = = 1 = 0 = = = 0 = = = = = = = = 1
–   EXchess 7.97b 64-bit2886+16
−16
(−14)9 − 10
(+4−5=10)
47.4%
9.0 / 19
82.6%
−26
= = 1 = 0 = 0 0 = 0 1 = 0 1 = 1 = = =
–   Ethereal 8.62 64-bit2882+24
−24
(−18)9.5 − 7.5
(+4−2=11)
55.9%
9.5 / 17
84.2%
+13
= = 1 0 = 1 0 1 = = = = = = 1 = =
–   Quazar 0.4 32-bit2879+12
−12
(−21)8.5 − 7.5
(+6−5=5)
53.1%
8.5 / 16
92.5%
+1
1 = 0 0 = = 0 1 0 1 0 1 = 1 1 =
–   Protector 1.4.0 32-bit2879+11
−12
(−21)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
92.5%
−44
= 1 0 0 = 1 = 0 = 1 = = 1 0 0 =
–   Atlas 3.91 64-bit2877+31
−31
(−23)9 − 5
(+5−1=8)
64.3%
9.0 / 14
87.0%
+54
1 = = = = = 1 1 0 = 1 = 1 =
–   Rybka 1.2 32-bit2870+18
−18
(−30)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
96.9%
+34
1 = = 0 1 1 0 1 0 0 1 = 1 = = 1
–   Scorpio 2.7.9 64-bit2865+26
−26
(−35)10.5 − 5.5
(+8−3=5)
65.6%
10.5 / 16
97.2%
+71
1 = 1 1 1 = 1 0 = 1 = 0 1 = 0 1
–   Stockfish 1.5.1 32-bit2864+15
−15
(−36)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.1%
+30
1 0 1 = 1 = 1 = = 0 1 0 1 = 0 1
–   Dirty 30Apr2017 64-bit2856+18
−18
(−44)13.5 − 5.5
(+11−3=5)
71.1%
13.5 / 19
99.8%
+100
= 1 1 1 = 1 1 1 = 1 1 1 0 = 0 1 1 = 0
–   Fruit Reloaded 3.2.1 64-bit2853+24
−24
(−47)1.5 − 1.5
(+0−0=3)
50.0%
1.5 / 3
99.6%
−36
= = =
–   Naum 3 32-bit2850+18
−18
(−50)9 − 7
(+6−4=6)
56.3%
9.0 / 16
99.9%
−9
1 = 1 0 0 1 1 = 0 1 = 0 = 1 = =
–   Tornado 8.0 64-bit2836+17
−17
(−64)11.5 − 8.5
(+8−5=7)
57.5%
11.5 / 20
100.0%
−13
1 0 1 = 1 1 0 1 = = = 1 0 0 1 = 1 = = 0
–   The Baron 3.41 64-bit2835+24
−24
(−65)8 − 8
(+4−4=8)
50.0%
8.0 / 16
100.0%
−57
0 0 1 = 1 = 1 = 0 = = = 0 = 1 =
–   The Baron 3.42 64-bit2831+89
−91
(−69)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
92.9%
+164
1 = 1
–   Tucano 7.00 64-bit2822+28
−28
(−78)11.5 − 4.5
(+8−1=7)
71.9%
11.5 / 16
100.0%
+63
1 = 1 = 1 = 1 = 0 = 1 1 = 1 1 =
–   GNU Chess 5.60 64-bit2812+19
−19
(−88)10 − 6
(+6−2=8)
62.5%
10.0 / 16
100.0%
−12
1 = 1 1 1 = 1 = = = = 0 1 0 = =
–   Rhetoric 1.4.3 64-bit2799+14
−14
(−101)12 − 4
(+9−1=6)
75.0%
12.0 / 16
100.0%
+64
1 0 1 = 1 1 = 1 = 1 1 = 1 = 1 =
–   Octochess r5506 64-bit2781+18
−19
(−119)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
100.0%
−54
1 0 0 0 1 = 1 1 = = 1 = = 0 1 1
–   RuyDos 1.0.27 64-bit2763+23
−23
(−137)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
100.0%
−152
1 = 1 1 0 = = = = = 1 0 0 0 0 =

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Created in 2005-2013 by CCRL team
Last games added on February 24, 2018