CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

Options
Show each game results
chess22k 1.7 64-bit (2899+22
−22
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 12 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Gull 3.1 64-bit3039+16
−16
(+140)4 − 12
(+1−9=6)
25.0%
4.0 / 16
0.0%
−23
–   Arasan 20.4.1 64-bit3037+17
−17
(+138)3.5 − 14.5
(+0−11=7)
19.4%
3.5 / 18
0.0%
−65
–   ChessBrainVB 3.663036+23
−23
(+137)5.5 − 8.5
(+1−4=9)
39.3%
5.5 / 14
0.0%
+80
–   SmarThink 1.98 64-bit3026+13
−13
(+127)3 − 11
(+1−9=4)
21.4%
3.0 / 14
0.0%
−75
–   Xiphos 0.2 64-bit3024+18
−18
(+125)9.5 − 20.5
(+2−13=15)
31.7%
9.5 / 30
0.0%
+15
–   Pedone 1.7 64-bit3014+17
−16
(+115)5 − 9
(+0−4=10)
35.7%
5.0 / 14
0.0%
+36
–   Naum 4.6 64-bit3013+12
−12
(+114)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−43
–   Ethereal 9.30 64-bit3005+25
−26
(+106)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−37
–   Vajolet2 2.5 64-bit3002+18
−18
(+103)6 − 7
(+3−4=6)
46.2%
6.0 / 13
0.0%
+87
–   Sting SF 9 64-bit2999+17
−17
(+100)3.5 − 12.5
(+2−11=3)
21.9%
3.5 / 16
0.0%
−117
–   Defenchess 1.1f 64-bit2998+12
−12
(+99)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+256
–   SmarThink 1.97 64-bit2996+15
−15
(+97)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−60
–   ChessBrainVB 3.612988+27
−27
(+89)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Xiphos 0.1 64-bit2987+19
−19
(+88)8 − 22
(+2−16=12)
26.7%
8.0 / 30
0.0%
−61
–   Rodent III 0.238 64-bit2983+14
−15
(+84)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.0%
−143
–   Chiron 1.1a 64-bit2979+14
−14
(+80)7.5 − 8.5
(+3−4=9)
46.9%
7.5 / 16
0.0%
+63
–   Pedone 1.6 64-bit2977+19
−19
(+78)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+108
–   Vajolet2 2.4 64-bit2970+21
−21
(+71)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+228
–   Ethereal 9.00 64-bit2969+18
−18
(+70)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+70
–   Hiarcs 142962+10
−10
(+63)2 − 0
(+2−0=0)
100.0%
2.0 / 2
0.0%
+INF
–   Hakkapeliitta 3.0 64-bit2955+12
−12
(+56)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−101
–   Wasp 2.6 64-bit2947+13
−13
(+48)7.5 − 10.5
(+4−7=7)
41.7%
7.5 / 18
0.0%
−1
–   Deep Sjeng c't 20102942+10
−10
(+43)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Crafty 25.2 64-bit2931+11
−11
(+32)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.5%
−125
–   chess22k 1.8 64-bit2931+21
−21
(+32)14 − 20
(+3−9=22)
41.2%
14.0 / 34
1.6%
−19
–   Bobcat 8.0 64-bit2924+13
−13
(+25)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
2.8%
−42
–   Cheng 4.39 64-bit2922+11
−11
(+23)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
3.2%
−119
–   Deep Junior Yokohama 64-bit2921+15
−14
(+22)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
5.5%
−135
–   Demolito 2018-03-01 64-bit2911+17
−17
(+12)6 − 12
(+2−8=8)
33.3%
6.0 / 18
20.5%
−91
–   Amoeba 2.7 64-bit2906+14
−14
(+7)7 − 9
(+2−4=10)
43.8%
7.0 / 16
29.7%
−29
–   Toga II 4.0 64-bit2905+13
−13
(+6)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
33.2%
+65
–   Atlas 3.91 64-bit2902+14
−14
(+3)10.5 − 5.5
(+6−1=9)
65.6%
10.5 / 16
40.9%
+90
–   EXchess 7.97b 64-bit2894+12
−13
(−5)9.5 − 10.5
(+4−5=11)
47.5%
9.5 / 20
67.4%
−14
–   Demolito 2017-08-26 64-bit2891+20
−20
(−8)11 − 9
(+4−2=14)
55.0%
11.0 / 20
72.9%
+16
–   Octochess r5506 64-bit 4CPU2889+21
−21
(−10)18.5 − 11.5
(+11−4=15)
61.7%
18.5 / 30
76.6%
+58
–   Scorpio 2.8 64-bit2886+14
−14
(−13)3 − 1
(+2−0=2)
75.0%
3.0 / 4
85.5%
+137
–   Ethereal 8.62 64-bit2885+23
−24
(−14)9.5 − 7.5
(+4−2=11)
55.9%
9.5 / 17
81.5%
+17
–   Quazar 0.4 32-bit2880+12
−12
(−19)8.5 − 7.5
(+6−5=5)
53.1%
8.5 / 16
94.2%
+3
–   Protector 1.4.0 32-bit2879+11
−11
(−20)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
95.2%
−43
–   Rybka 1.2 32-bit2869+17
−17
(−30)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.5%
+34
–   Scorpio 2.7.9 64-bit2867+25
−25
(−32)10.5 − 5.5
(+8−3=5)
65.6%
10.5 / 16
97.5%
+74
–   Stockfish 1.5.1 32-bit2865+15
−15
(−34)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.5%
+32
–   Dirty 30Apr2017 64-bit2857+15
−15
(−42)13.5 − 6.5
(+11−4=5)
67.5%
13.5 / 20
99.9%
+78
–   Naum 3 32-bit2852+18
−18
(−47)9 − 7
(+6−4=6)
56.3%
9.0 / 16
100.0%
−6
–   Tornado 8.0 64-bit2842+13
−13
(−57)11.5 − 8.5
(+8−5=7)
57.5%
11.5 / 20
100.0%
−6
–   The Baron 3.41 64-bit2838+22
−22
(−61)8 − 8
(+4−4=8)
50.0%
8.0 / 16
100.0%
−53
–   Fruit Reloaded 3.2.1 64-bit2836+13
−13
(−63)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−63
–   Tucano 7.00 64-bit2826+19
−19
(−73)11.5 − 4.5
(+8−1=7)
71.9%
11.5 / 16
100.0%
+68
–   GNU Chess 5.60 64-bit2812+17
−17
(−87)10 − 6
(+6−2=8)
62.5%
10.0 / 16
100.0%
−11
–   The Baron 3.42 64-bit2797+15
−15
(−102)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+187
–   Rhetoric 1.4.3 64-bit2795+13
−13
(−104)12 − 4
(+9−1=6)
75.0%
12.0 / 16
100.0%
+61
–   Octochess r5506 64-bit2783+16
−15
(−116)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
100.0%
−51
–   RuyDos 1.0.27 64-bit2764+23
−23
(−135)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
100.0%
−150

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019