CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (30.0%)
White score: 53.7%

Engine Details

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Show each game results
Arasan 20.5 64-bit (3059+13
−13
)Quote
Author: Jon Dart (USA) Link: Homepage
This is one of the 40 Arasan versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 9 64-bit3482+9
−9
(+423)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Fire 6.1 64-bit3288+11
−11
(+229)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Fizbo 2 64-bit3247+8
−8
(+188)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Booot 6.2 64-bit3168+9
−9
(+109)14.5 − 26.5
(+8−20=13)
35.4%
14.5 / 41
0.0%
+9
0 0 1 = 0 1 0 0 = 1 0 0 = 0 0 = 0 0 0 = 0 0 = 1 = 0 0 0 = = 0 = = 0 1 1 1 1 0 = =
–   Chiron 4 64-bit3164+7
−7
(+105)18 − 54
(+5−41=26)
25.0%
18.0 / 72
0.0%
−64
= 0 = = = 0 0 = 0 0 0 0 = = 0 1 0 0 0 = 0 = = 0 0 0 0 = 0 0 0 0 = 0 = 1 0 0 = 0 0 0 = 1 1 = 0 0 = 0 = 0 0 0 = 0 = 0 0 0 = = = 0 0 0 = 0 1 0 = =
–   Critter 1.6a 64-bit3157+7
−7
(+98)20 − 49
(+6−35=28)
29.0%
20.0 / 69
0.0%
−37
= 0 0 = 1 0 = = 0 0 = = 0 0 = 0 = 0 0 0 1 0 = 0 0 = 0 0 = = 0 0 0 0 = 0 0 = 1 = = 0 0 1 = 0 = 0 0 = 0 1 0 0 0 = 1 = = = 0 = = 0 = 0 = 0 =
–   Ethereal 10.00 64-bit3143+13
−13
(+84)29.5 − 57.5
(+14−42=31)
33.9%
29.5 / 87
0.0%
−23
= = 0 1 0 = = 0 0 0 0 = 0 = 0 0 = = = 0 1 = = = 0 1 0 = 1 = = 0 1 0 0 0 = = 0 0 1 = 0 0 0 0 1 0 0 0 0 0 0 = 0 = = = 0 0 0 = 0 = 0 1 = 1 0 = 0 = = 1 1 1 1 0 = = = 0 0 0 0 1 0
–   Xiphos 0.3 64-bit3136+14
−14
(+77)19.5 − 30.5
(+11−22=17)
39.0%
19.5 / 50
0.0%
+3
0 = = = = 1 = = 0 0 0 0 = 0 0 0 1 = 0 1 = 0 = = 0 1 1 0 0 = = = 0 = 1 1 0 1 0 = 1 0 0 1 0 0 = 0 0 1
–   NirvanaChess 2.4 64-bit3130+9
−9
(+71)25 − 47
(+9−31=32)
34.7%
25.0 / 72
0.0%
−25
0 = = 0 0 = 0 0 0 = = = 1 = 0 = = 1 0 = 0 0 = = = = = = = 1 = 0 = 0 0 0 = 1 1 = 1 0 0 0 0 1 0 0 = 0 = 0 = 0 = 0 = 0 0 0 = = = 0 1 1 = = 0 0 = 0
–   Texel 1.07 64-bit3112+9
−9
(+53)31.5 − 39.5
(+16−24=31)
44.4%
31.5 / 71
0.0%
+17
1 1 1 0 = 1 0 = 1 = 0 0 = 1 0 0 = 1 1 = 1 1 = 0 = = 1 0 = 0 0 0 1 = 0 = 0 = = 0 1 0 = = = = = 0 = = = 1 = = 0 = = 0 0 = 0 1 0 = = 0 0 = 0 1 =
–   Hannibal 1.7 64-bit3110+8
−8
(+51)29 − 41
(+15−27=28)
41.4%
29.0 / 70
0.0%
−5
= 0 0 1 = 0 = = = = 0 0 = 1 1 0 1 0 0 0 0 0 = 0 = 0 1 0 = = = 1 = = = = 0 = 1 = 0 0 = 0 0 1 1 = 0 = = = 1 1 0 0 0 1 1 0 = 0 = 0 = 0 1 1 = =
–   Rybka 4.1 64-bit3108+6
−6
(+49)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−20
= = = 0 0 = = 1 0 0 1 0 = = 0 = 0 1 = = 1 0 = 0 0 = 0 1 = 0 1 0
–   Rybka 4 64-bit3101+13
−13
(+42)14.5 − 25.5
(+8−19=13)
36.3%
14.5 / 40
0.0%
−49
1 0 1 0 1 0 0 1 0 0 0 = = 0 0 = 0 0 = 0 1 0 1 0 = = = 0 0 = 1 = 1 0 0 = = = = 0
–   Laser 1.5 64-bit3094+13
−12
(+35)15 − 15
(+7−7=16)
50.0%
15.0 / 30
0.0%
+33
= 1 0 1 0 0 = 0 = 0 = = 1 = = 0 = 1 0 = = = 1 1 = = 1 = = =
–   Komodo 12.1.1 MCTS 64-bit3094+18
−18
(+35)52 − 61
(+34−43=36)
46.0%
52.0 / 113
0.1%
+8
0 = 0 = 0 0 0 1 = 0 = = = = 0 0 = 1 1 0 0 = 0 0 0 0 0 = 0 0 = 0 0 0 0 0 0 1 0 = 0 1 0 = 0 1 1 0 1 1 = 1 = 1 1 1 0 1 = = 0 1 1 1 = = = 1 = 0 = = 0 1 0 1 = 0 0 = 1 0 = 0 = = = 1 1 0 0 1 1 = 1 = = = 0 = = 1 0 1 1 0 = 1 1 0 1 1 1
–   BlackMamba 2.0 64-bit3090+18
−18
(+31)18.5 − 21.5
(+7−10=23)
46.3%
18.5 / 40
0.2%
+8
0 1 = 1 = = = = = 0 = 1 = 0 0 = = = = 0 0 0 = = 1 1 = = = = = = 1 = = 0 1 0 0 =
–   Protector 1.9.0 64-bit3085+7
−7
(+26)56 − 45
(+35−24=42)
55.4%
56.0 / 101
0.0%
+59
1 0 = 1 1 = = = = = 1 = 1 1 = 1 = 1 0 = 1 1 1 = 0 0 0 = = 1 1 = 0 = 1 1 0 0 1 1 = 1 1 1 1 1 0 1 = = 1 = 0 1 0 = 1 = = 1 = = = = = = 0 = 1 = 0 = 0 = = 0 = 1 = 1 = 0 = 0 1 = 0 1 0 0 0 0 0 1 0 = = 1 = 1 =
–   Senpai 2.0 64-bit3084+9
−9
(+25)46.5 − 56.5
(+22−32=49)
45.1%
46.5 / 103
0.1%
−6
0 0 1 1 0 0 = 0 1 = = = = 0 = = 0 = = = = 1 0 1 0 0 1 = = 0 = 0 = 1 = 0 0 1 = = = 0 = 1 = 0 1 = = 0 1 1 1 = = = 0 1 = = = = = 1 0 = = 0 = = 1 1 0 1 = 0 = = 0 = 0 = = 0 0 = 1 0 1 = = 0 = = = = 0 0 0 = 0 1 1
–   Vajolet2 2.6 64-bit3083+13
−13
(+24)19 − 31
(+7−19=24)
38.0%
19.0 / 50
0.3%
−47
= 1 = 0 = 0 = 0 = = 0 = = = 0 0 1 0 0 = = 1 0 = 1 0 0 1 0 0 = = 0 = 0 1 0 = = = 0 1 = = = 0 = = = 0
–   iCE 3.0 64-bit3080+7
−7
(+21)29.5 − 40.5
(+18−29=23)
42.1%
29.5 / 70
0.2%
−29
0 = 0 = 1 1 0 0 0 0 = = = = 1 = = 0 0 0 0 = = = = 1 1 = 1 1 0 = 1 0 1 0 = = 0 0 0 0 = 1 = = 0 0 0 0 0 1 1 0 1 = 0 1 0 0 1 0 1 0 = = 1 = 0 1
–   Ethereal 9.65 64-bit3073+16
−16
(+14)16.5 − 23.5
(+4−11=25)
41.3%
16.5 / 40
8.7%
−33
= = 0 1 = = = = 0 = = = = = = 1 = 1 = 0 0 0 0 0 0 1 0 = = = 0 = = = = = 0 = = =
–   Nemorino 4.00 64-bit3066+13
−13
(+7)18.5 − 21.5
(+10−13=17)
46.3%
18.5 / 40
20.5%
−16
= 0 = 1 1 = 1 = 0 0 = = = = 1 = 1 0 1 0 = 0 1 1 = 0 0 0 0 = 1 = = 0 = 0 1 = = 0
–   Xiphos 0.2 64-bit3062+13
−13
(+3)16 − 16
(+8−8=16)
50.0%
16.0 / 32
38.5%
+1
= = 0 = 0 = = 1 = = = 1 0 = 0 = 0 = = 0 0 0 = = = = 1 1 1 1 1 1
–   Pedone 1.7 64-bit3052+13
−12
(−7)56.5 − 45.5
(+38−27=37)
55.4%
56.5 / 102
76.7%
+28
0 = 1 1 0 0 1 1 1 0 = 0 = = 0 0 1 1 0 1 = = 1 0 = = = 1 1 0 1 1 1 0 1 = 0 0 = 0 1 = 0 = = 0 = 1 1 0 1 0 1 = 1 1 = = 1 = 1 = = 1 = 1 1 1 0 0 = = = 1 1 = = = = 0 0 1 = = 1 0 0 1 = 0 0 0 = = 1 = 1 1 1 = 1 =
–   Defenchess 1.1f 64-bit3046+11
−11
(−13)20 − 21
(+13−14=14)
48.8%
20.0 / 41
93.7%
−24
= 1 1 0 1 0 = = 0 = 0 0 0 = 0 1 0 1 1 1 = = 1 0 = 1 1 0 0 = 0 = 0 = = = 0 = 1 1 1
–   Komodo 12 MCTS 64-bit3044+23
−23
(−15)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
86.3%
+71
0 1 = 0 = = = 1 1 1 = = = 1 0 1 1 1 = = = 1 1 1 1 0 = = = = 1 =
–   Ethereal 9.30 64-bit3042+25
−25
(−17)18 − 13
(+10−5=16)
58.1%
18.0 / 31
88.1%
+29
= = 1 = = = = 0 1 = 1 = = = = 1 1 = 1 1 = 0 0 1 1 0 = = 0 1 =
–   Vajolet2 2.5 64-bit3039+13
−13
(−20)39.5 − 31.5
(+23−15=33)
55.6%
39.5 / 71
98.6%
+14
1 0 1 = 1 1 1 = 1 = = 0 1 = = = = 1 = = 0 = = 1 = = 0 0 = 0 1 0 = 1 = = 1 = = = = 0 = = 1 1 0 = = = 1 0 0 1 0 1 = 1 = 1 1 = 0 1 0 = = 1 0 1 =
–   SmarThink 1.98 64-bit3038+10
−10
(−21)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
99.5%
+18
= = 0 = 1 = 1 0 = = 0 1 0 = = 1 1 1 = 1 1 1 = = 1 = 0 1 1 0 = = 1 = 0 0 = 1 = 0
–   Xiphos 0.1 64-bit3033+19
−19
(−26)23.5 − 16.5
(+13−6=21)
58.8%
23.5 / 40
98.9%
+25
1 = = 0 1 = = 1 1 1 1 1 = = = = 0 = 1 0 1 = = = 1 = 0 1 = 0 = = = = 1 = = 0 = 1
–   Naum 4.6 64-bit3031+7
−7
(−28)61 − 41
(+40−20=42)
59.8%
61.0 / 102
100.0%
+33
1 = = 0 0 0 1 = = 0 = 1 1 = 1 = 1 1 1 1 = = 1 1 1 0 1 1 1 = = = = 0 = 1 = 0 = 0 1 1 = 0 = = 1 = = 0 1 0 = 1 1 1 = = 1 1 = 0 0 1 0 = = = = = 1 0 1 = 1 = = 0 0 = 0 = = 1 = 1 1 1 = 1 1 1 0 = 1 1 0 1 = = 1 =
–   Wasp 3.0 64-bit3023+15
−15
(−36)28 − 14
(+18−4=20)
66.7%
28.0 / 42
100.0%
+65
= 1 1 0 = = 1 = 1 1 = = = = 1 1 1 = 1 = 1 = = = = 1 1 0 = 0 = = 1 = = 1 0 1 1 1 = 1
–   Hakkapeliitta TCEC v2 64-bit3019+10
−10
(−40)23 − 18
(+17−12=12)
56.1%
23.0 / 41
100.0%
0
1 1 = = = = 1 1 1 1 1 = 1 = 0 1 0 0 0 = 1 1 0 0 1 1 = = 0 0 1 = 0 1 0 1 0 1 = = 0
–   ChessBrainVB 3.662977+16
−16
(−82)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−72
0 = 0 0 1 0 = 1 0 = 1 = 0 1 = = = 1 1 1 1 = = 1 0 1 0 0 = = 1 0
–   Wasp 2.6 64-bit2977+14
−14
(−82)24.5 − 15.5
(+13−4=23)
61.3%
24.5 / 40
100.0%
−19
0 = = = 1 1 = 1 1 1 = = = 1 = = = = 0 1 = = = = 1 1 = 1 = = = 0 = = = 1 1 0 1 =
–   chess22k 1.9 64-bit2968+16
−16
(−91)23 − 14
(+14−5=18)
62.2%
23.0 / 37
100.0%
−13
= 1 = 1 = 1 = 1 = 1 = 0 = 1 0 1 = = 0 = = 0 1 1 = 1 = = = 1 0 1 1 = 1 = =
–   Demolito 2018-03-01 64-bit2957+14
−14
(−102)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Bobcat 8.0 64-bit2957+10
−10
(−102)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−102
= =
–   Atlas 3.91 64-bit2924+12
−12
(−135)25.5 − 14.5
(+19−8=13)
63.8%
25.5 / 40
100.0%
−42
1 0 1 = 0 = 1 1 1 0 1 = = 1 1 1 = 1 = 1 1 1 = = 0 0 1 = 1 = 0 1 1 0 = = 1 1 = 0
–   Rodent III 0.232 64-bit2914+20
−20
(−145)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−114
=
–   Scorpio 2.8 64-bit2902+15
−15
(−157)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Quazar 0.4 64-bit2900+7
−7
(−159)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Gaviota 1.0 64-bit2873+8
−8
(−186)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Dirty 30Apr2017 64-bit2864+21
−21
(−195)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Zappa Mexico II 64-bit2844+7
−7
(−215)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Shield 2.1 64-bit2739+12
−12
(−320)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess Tiger 2007.12713+7
−7
(−346)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Colossus 2008b2641+7
−7
(−418)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   WildCat 82623+7
−7
(−436)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   K2 0.872586+17
−17
(−473)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Muse 0.953 64-bit2582+11
−11
(−477)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Aristarch 4.502566+7
−7
(−493)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ufim 8.022540+7
−6
(−519)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Pupsi2 0.092536+15
−15
(−523)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Anatoli 0.35k2454+15
−15
(−605)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   MadChess 2.1 64-bit2384+19
−19
(−675)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Aice 0.99.22314+9
−9
(−745)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

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Created in 2005-2013 by CCRL team
Last games added on November 30, 2019