CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (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-bit3248+8
−8
(+189)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-bit3158+6
−7
(+99)20 − 49
(+6−35=28)
29.0%
20.0 / 69
0.0%
−36
= 0 0 0 0 = 0 0 = 1 = = 0 0 1 = 0 = 0 0 = 0 1 0 0 0 = 1 = = = 0 = = 0 = 0 = 0 = = 0 0 = 1 0 = = 0 0 = = 0 0 = 0 = 0 0 0 1 0 = 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-bit3137+14
−14
(+78)19.5 − 30.5
(+11−22=17)
39.0%
19.5 / 50
0.0%
+4
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 = = = 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 0
–   Texel 1.07 64-bit3113+9
−9
(+54)31.5 − 39.5
(+16−24=31)
44.4%
31.5 / 71
0.0%
+18
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
= 1 = = = = 0 = 1 = 0 0 = 0 0 1 1 = 0 = = = 1 1 0 0 0 1 1 0 = 0 = 0 = 0 1 1 = = = 0 0 1 = 0 = = = = 0 0 = 1 1 0 1 0 0 0 0 0 = 0 = 0 1 0 = =
–   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-bit3102+13
−13
(+43)14.5 − 25.5
(+8−19=13)
36.3%
14.5 / 40
0.0%
−48
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-bit3095+13
−13
(+36)15 − 15
(+7−7=16)
50.0%
15.0 / 30
0.0%
+34
= 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-bit3091+18
−18
(+32)18.5 − 21.5
(+7−10=23)
46.3%
18.5 / 40
0.2%
+9
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 = 0 = 0 = = 0 = 1 = 1 = 0 = 0 1 = 0 1 0 0 0 0 0 1 0 = = 1 = 1 = = 0 = 1 1 0 0 1 1 = 1 1 1 1 1 0 1 = = 1 = 0 1 0 = 1 = = 1 =
–   Vajolet2 2.6 64-bit3084+13
−13
(+25)19 − 31
(+7−19=24)
38.0%
19.0 / 50
0.3%
−46
= 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
–   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 1 0 1 = 0 = = 0 = 0 = = 0 0 = 1 0 1 = = 0 = = = = 0 0 0 = 0 1 1 = 1 = 0 0 1 = = = 0 = 1 = 0 1 = = 0 1 1 1 = = = 0 1 = = = =
–   iCE 3.0 64-bit3081+7
−7
(+22)29.5 − 40.5
(+18−29=23)
42.1%
29.5 / 70
0.2%
−28
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 0 = 0 = 1 1 0 0 0 0 = = = = 1 = = 0 0 0 0 = = = = 1 1 = 1 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-bit3067+13
−13
(+8)18.5 − 21.5
(+10−13=17)
46.3%
18.5 / 40
20.5%
−15
= 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-bit3053+13
−13
(−6)56.5 − 45.5
(+38−27=37)
55.4%
56.5 / 102
76.7%
+29
0 = 1 1 0 0 1 1 1 0 = 0 = = 0 0 1 1 0 1 = = 1 0 = = = 1 1 0 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 = 1 0 1 = 0 0 = 0 1 = 0 = = 0 = 1 1 0 1 0 1 = 1 1 = = 1 = 1 =
–   Defenchess 1.1f 64-bit3047+11
−11
(−12)20 − 21
(+13−14=14)
48.8%
20.0 / 41
93.7%
−23
= 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-bit3045+23
−23
(−14)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
86.3%
+72
0 1 = 0 = = = 1 1 1 = = = 1 0 1 1 1 = = = 1 1 1 1 0 = = = = 1 =
–   Ethereal 9.30 64-bit3043+25
−25
(−16)18 − 13
(+10−5=16)
58.1%
18.0 / 31
88.1%
+30
= = 1 = = = = 0 1 = 1 = = = = 1 1 = 1 1 = 0 0 1 1 0 = = 0 1 =
–   Vajolet2 2.5 64-bit3040+13
−13
(−19)39.5 − 31.5
(+23−15=33)
55.6%
39.5 / 71
98.6%
+15
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-bit3039+9
−10
(−20)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
99.5%
+19
= = 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-bit3032+7
−8
(−27)61 − 41
(+40−20=42)
59.8%
61.0 / 102
100.0%
+34
1 = = 0 0 0 1 = = 0 = 1 1 = 1 = 1 1 1 1 = = 1 1 1 0 1 1 1 = = = 0 1 0 = = = = = 1 0 1 = 1 = = 0 0 = 0 = = 1 = 1 1 1 = 1 1 1 0 = 1 1 0 1 = = 1 = = 0 = 1 = 0 = 0 1 1 = 0 = = 1 = = 0 1 0 = 1 1 1 = = 1 1 = 0
–   Wasp 3.0 64-bit3024+15
−15
(−35)28 − 14
(+18−4=20)
66.7%
28.0 / 42
100.0%
+66
1 1 1 0 = = 1 = 1 1 = = = = 1 1 1 = 1 = 1 = = = = 1 1 0 = 0 = = 1 = = 1 0 1 1 1 = =
–   Hakkapeliitta TCEC v2 64-bit3020+10
−10
(−39)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
–   Wasp 2.6 64-bit2978+14
−14
(−81)24.5 − 15.5
(+13−4=23)
61.3%
24.5 / 40
100.0%
−18
0 = = = 1 1 = 1 1 1 = = = 1 = = = = 0 1 = = = = 1 1 = 1 = = = 0 = = = 1 1 0 1 =
–   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
–   chess22k 1.9 64-bit2969+16
−15
(−90)23 − 14
(+14−5=18)
62.2%
23.0 / 37
100.0%
−12
= 1 = 1 = 1 = 1 = 1 = 0 = 1 0 1 = = 0 = = 0 1 1 = 1 = = = 1 0 1 1 = 1 = =
–   Bobcat 8.0 64-bit2958+10
−10
(−101)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−101
= =
–   Demolito 2018-03-01 64-bit2957+14
−14
(−102)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Atlas 3.91 64-bit2925+11
−12
(−134)25.5 − 14.5
(+19−8=13)
63.8%
25.5 / 40
100.0%
−41
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-bit2901+7
−7
(−158)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-bit2865+21
−21
(−194)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Zappa Mexico II 64-bit2845+7
−7
(−214)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Shield 2.1 64-bit2740+13
−12
(−319)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 2008b2642+7
−7
(−417)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
−7
(−519)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Pupsi2 0.092537+15
−15
(−522)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Anatoli 0.35k2455+15
−15
(−604)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   MadChess 2.1 64-bit2385+19
−19
(−674)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Aice 0.99.22315+9
−9
(−744)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 December 7, 2019