CCRL Blitz
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 2'464'260 games
played by 2'932 programs

White wins: 947'616 (38.5%)
Black wins: 759'359 (30.8%)
Draws: 757'285 (30.7%)
White score: 53.8%

Engine Details

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Show each game results
Arasan 20.5 64-bit (3060+13
−13		)Quote
Author: Jon Dart (USA) Link: Homepage
This is one of the 45 Arasan versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 9 64-bit3482+9
−9		(+422)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Fire 6.1 64-bit3288+11
−11		(+228)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Fizbo 2 64-bit3247+7
−7		(+187)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Booot 6.2 64-bit3168+9
−9		(+108)14.5 − 26.5
(+8−20=13)
35.4%
14.5 / 41
0.0%
+8
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+6
−7		(+104)18 − 54
(+5−41=26)
25.0%
18.0 / 72
0.0%
−65
= 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+6
−6		(+97)20 − 49
(+6−35=28)
29.0%
20.0 / 69
0.0%
−38
= 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-bit3144+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		(+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-bit3132+8
−8		(+72)25 − 47
(+9−31=32)
34.7%
25.0 / 72
0.0%
−24
= = 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+8
−8		(+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+7
−7		(+50)29 − 41
(+15−27=28)
41.4%
29.0 / 70
0.0%
−6
= 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-bit3110+6
−6		(+50)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−19
= = = 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		(+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
–   Komodo 12.1.1 MCTS 64-bit3095+18
−18		(+35)52 − 61
(+34−43=36)
46.0%
52.0 / 113
0.0%
+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
–   Laser 1.5 64-bit3095+13
−13		(+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 = = =
–   BlackMamba 2.0 64-bit3091+18
−18		(+31)18.5 − 21.5
(+7−10=23)
46.3%
18.5 / 40
0.3%
+8
0 1 = 1 = = = = = 0 = 1 = 0 0 = = = = 0 0 0 = = 1 1 = = = = = = 1 = = 0 1 0 0 =
–   Protector 1.9.0 64-bit3088+7
−6		(+28)56 − 45
(+35−24=42)
55.4%
56.0 / 101
0.0%
+61
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-bit3086+8
−8		(+26)46.5 − 56.5
(+22−32=49)
45.1%
46.5 / 103
0.0%
−5
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-bit3085+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
–   iCE 3.0 64-bit3081+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-bit3074+16
−16		(+14)16.5 − 23.5
(+4−11=25)
41.3%
16.5 / 40
8.6%
−33
= = 0 1 = = = = 0 = = = = = = 1 = 1 = 0 0 0 0 0 0 1 0 = = = 0 = = = = = 0 = = =
–   Nemorino 4.00 64-bit3067+13
−13		(+7)18.5 − 21.5
(+10−13=17)
46.3%
18.5 / 40
22.0%
−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-bit3063+13
−13		(+3)16 − 16
(+8−8=16)
50.0%
16.0 / 32
37.6%
+1
= = 0 = 0 = = 1 = = = 1 0 = 0 = 0 = = 0 0 0 = = = = 1 1 1 1 1 1
–   Pedone 1.7 64-bit3054+13
−13		(−6)56.5 − 45.5
(+38−27=37)
55.4%
56.5 / 102
76.5%
+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 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-bit3047+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
–   SmarThink 1.98 64-bit3045+8
−8		(−15)22.5 − 17.5
(+14−9=17)
56.3%
22.5 / 40
97.9%
+24
= = 0 = 1 = 1 0 = = 0 1 0 = = 1 1 1 = 1 1 1 = = 1 = 0 1 1 0 = = 1 = 0 0 = 1 = 0
–   Komodo 12 MCTS 64-bit3045+23
−23		(−15)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
86.7%
+71
0 1 = 0 = = = 1 1 1 = = = 1 0 1 1 1 = = = 1 1 1 1 0 = = = = 1 =
–   Ethereal 9.30 64-bit3044+25
−25		(−16)18 − 13
(+10−5=16)
58.1%
18.0 / 31
87.6%
+30
= = 1 = = = = 0 1 = 1 = = = = 1 1 = 1 1 = 0 0 1 1 0 = = 0 1 =
–   Vajolet2 2.5 64-bit3040+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 =
–   Xiphos 0.1 64-bit3034+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		(−29)61 − 41
(+40−20=42)
59.8%
61.0 / 102
100.0%
+32
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-bit3025+15
−15		(−35)28 − 14
(+18−4=20)
66.7%
28.0 / 42
100.0%
+66
= 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-bit3020+8
−8		(−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 3.662978+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-bit2978+14
−15		(−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-bit2969+15
−15		(−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 = =
–   Bobcat 8.0 64-bit2961+9
−9		(−99)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−99
= =
–   Demolito 2018-03-01 64-bit2957+14
−14		(−103)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Atlas 3.91 64-bit2923+9
−10		(−137)25.5 − 14.5
(+19−8=13)
63.8%
25.5 / 40
100.0%
−44
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-bit2915+20
−20		(−145)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−114
=
–   Scorpio 2.8 64-bit2904+15
−15		(−156)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Quazar 0.4 64-bit2901+7
−7		(−159)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Gaviota 1.0 64-bit2871+8
−8		(−189)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Dirty 30Apr2017 64-bit2865+21
−21		(−195)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zappa Mexico II 64-bit2846+7
−6		(−214)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Shield 2.1 64-bit2740+11
−11		(−320)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Chess Tiger 2007.12713+7
−7		(−347)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Colossus 2008b2642+7
−7		(−418)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   WildCat 82625+7
−7		(−435)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   K2 0.872586+17
−17		(−474)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Muse 0.953 64-bit2578+11
−11		(−482)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Aristarch 4.502568+7
−7		(−492)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Ufim 8.022541+7
−6		(−519)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Pupsi2 0.092541+14
−14		(−519)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Anatoli 0.35k2459+14
−14		(−601)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   MadChess 2.1 64-bit2384+19
−19		(−676)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Aice 0.99.22316+9
−8		(−744)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
1938 games: 524 wins, 616 losses, 798 draws (41.2%), score: 47.6%

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Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on February 20, 2021