CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Arasan 20.4.1 64-bit (3035+17
−17		)Quote
Author: Jon Dart (USA) Link: Homepage
Includes games from both 20.4 and 20.4.1
This is one of the 71 Arasan versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fizbo 2 64-bit3195+8
−8		(+160)8 − 24
(+3−19=10)
25.0%
8.0 / 32
0.0%
−14
= = 0 0 0 0 0 0 = 0 0 1 = 0 0 0 0 0 = = 0 0 0 1 0 = = 0 = 1 0 =
–   Andscacs 0.921 64-bit3148+13
−14		(+113)10 − 24
(+1−15=18)
29.4%
10.0 / 34
0.0%
−10
= = = = 0 0 0 = 0 0 0 = 0 0 = = 0 1 0 = 0 = = = 0 = = = 0 0 = = = 0
–   Booot 6.2 64-bit3142+11
−11		(+107)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+107
1 0
–   Roc 0.7 64-bit3114+10
−10		(+79)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−3
0 1 0 =
–   Chiron 4 64-bit3113+9
−9		(+78)13.5 − 22.5
(+3−12=21)
37.5%
13.5 / 36
0.0%
+7
0 0 1 = = = 1 = = 1 = = = = = 0 = = = 0 0 = 0 = = = = 0 0 = = = 0 0 0 0
–   Strelka 5.5 64-bit3102+6
−7		(+67)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+37
1 0 = = 1 1 0 = 0 = = 0 1 0 1 0 0 1 0 = = = 1 0 1 0 0 = 1 0 1 0
–   Fritz 16 64-bit3100+11
−11		(+65)14 − 22
(+7−15=14)
38.9%
14.0 / 36
0.0%
−7
= 1 0 1 1 = 0 0 = 0 = 0 0 = = = 1 = 1 = = 0 0 0 0 = 0 1 1 0 = 0 = 0 = 0
–   NirvanaChess 2.4 64-bit3099+9
−9		(+64)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+131
= 1 = =
–   Xiphos 0.3 64-bit3091+19
−19		(+56)8 − 12
(+3−7=10)		40.0%
8.0 / 20
0.0%
−4
= = 0 0 1 0 0 = = 1 = = 0 = 0 = = = 0 1
–   Ethereal 10.00 64-bit3090+15
−15		(+55)11 − 21
(+2−12=18)
34.4%
11.0 / 32
0.0%
−35
0 0 0 1 0 0 = 0 0 = 0 = = = = = = 0 = 0 0 = 0 = = = 1 = = = = =
–   Nemorino 5.00 64-bit3085+12
−12		(+50)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.0%
−11
= 1 1 0 0 0 = 1 = 1 0 = 0 = 0 0
–   Hannibal 1.7 64-bit3079+10
−10		(+44)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−246
0 = 0 0
–   Texel 1.07 64-bit3073+11
−11		(+38)13.5 − 22.5
(+5−14=17)
37.5%
13.5 / 36
0.0%
−37
= 1 0 1 0 = = = = 0 0 = 0 0 0 = 0 = = 1 0 0 0 0 = = = 1 0 = = = = 0 1 =
–   Laser 1.5 64-bit3070+15
−14		(+35)18.5 − 17.5
(+8−7=21)
51.4%
18.5 / 36
0.1%
+42
0 = 0 = = 1 = 1 1 = = = = = = 1 0 = = = = = 1 = 0 1 0 1 0 = = = = 0 = 1
–   Protector 1.9.0 64-bit3057+9
−9		(+22)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
1.1%
−37
0 = = =
–   Pedone 1.8 64-bit3057+16
−16		(+22)8 − 12
(+3−7=10)		40.0%
8.0 / 20
2.7%
−37
0 = = 0 = = = = = 1 0 = 1 1 = 0 0 = 0 0
–   BlackMamba 2.0 64-bit3055+9
−10		(+20)1 − 1
(+1−1=0)		50.0%
1.0 / 2
2.1%
+20
1 0
–   iCE 3.0 64-bit3040+12
−11		(+5)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
32.1%
−87
0 0 1 =
–   Gull 3.1 64-bit3039+16
−16		(+4)12.5 − 19.5
(+5−12=15)
39.1%
12.5 / 32
37.2%
−63
= 1 1 0 = = 1 0 1 0 0 0 = = = = 1 0 = = = = 0 0 = 0 0 0 = = = 0
–   Nemorino 4.00 64-bit3038+17
−17		(+3)20.5 − 15.5
(+15−10=11)
56.9%
20.5 / 36
39.9%
+50
1 1 = = 1 1 = 1 0 0 = 1 1 0 = 0 0 1 = 1 1 = 0 = 0 = 0 1 0 = = 0 1 1 1 1
–   ChessBrainVB 3.663033+23
−23		(−2)11 − 5
(+8−2=6)		68.8%
11.0 / 16
54.6%
+119
1 = = 1 1 1 1 0 0 1 = 1 1 = = =
–   Senpai 2.0 64-bit3030+11
−11		(−5)20.5 − 19.5
(+12−11=17)
51.3%
20.5 / 40
69.2%
+1
0 = = 1 1 = = 1 = = = = 0 = 1 1 1 1 = 1 1 1 0 0 0 = 0 0 = 1 1 = 0 0 = 0 = 0 = =
–   SmarThink 1.98 64-bit3025+13
−13		(−10)11.5 − 8.5
(+8−5=7)		57.5%
11.5 / 20
84.4%
+39
0 1 = 0 = 1 0 = 1 1 = 1 1 = 0 1 = 1 0 =
–   Xiphos 0.2 64-bit3022+18
−18		(−13)15.5 − 14.5
(+7−6=17)
51.7%
15.5 / 30
86.1%
−4
0 1 0 = 0 1 = = = 1 = = 0 = = = 0 = = 1 1 = = 1 0 = = = = 1
–   Pedone 1.7 64-bit3012+16
−17		(−23)4 − 4
(+2−2=4)		50.0%
4.0 / 8
97.7%
−23
= = 1 = 0 = 0 1
–   Naum 4.6 64-bit3010+12
−12		(−25)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
99.2%
+132
= 1
–   Sting SF 9.9 64-bit3009+16
−16		(−26)16 − 16
(+9−9=14)
50.0%
16.0 / 32
98.9%
−27
1 = 0 = 0 = = = 0 0 1 0 0 1 0 1 1 1 1 1 = = 0 = = 1 = = = 0 = =
–   Arasan 20.3 64-bit3007+20
−20		(−28)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
98.5%
+17
= = 1 1 = = 0 = = = = 0 = = 1 1 = 1 1 0 1 = 1 = = 0 = 0 1 = 1 =
–   Ethereal 9.30 64-bit3003+25
−26		(−32)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
98.3%
−63
0 = = = 0 = 1 = = =
–   Vajolet2 2.5 64-bit3000+18
−18		(−35)2 − 2
(+1−1=2)		50.0%
2.0 / 4
99.8%
−35
0 1 = =
–   Hakkapeliitta TCEC v2 64-bit2998+13
−13		(−37)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
100.0%
−8
0 = = 1 = = = 0 0 1 = 0 0 1 = = = 0 1 = 0 = = = = = 1 1 1 1 1 1
–   Defenchess 1.1f 64-bit2996+12
−12		(−39)22.5 − 13.5
(+17−8=11)
62.5%
22.5 / 36
100.0%
+46
1 = 1 1 = 0 1 1 0 = 0 1 = 1 = 1 1 1 0 1 1 0 = 1 0 0 = = 1 = 1 = 1 = 1 0
–   SmarThink 1.97 64-bit2994+15
−15		(−41)21 − 14
(+15−8=12)
60.0%
21.0 / 35
100.0%
+28
0 = 1 0 1 1 = = 1 = 0 1 = = 1 = 0 = 1 0 0 1 1 1 1 = = 1 1 1 0 1 = = 0
–   ChessBrainVB 3.612986+27
−27		(−49)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
99.9%
−114
= 0 0 1 0 1
–   Xiphos 0.1 64-bit2984+20
−20		(−51)19 − 11
(+11−3=16)
63.3%
19.0 / 30
100.0%
+27
1 = = 1 = 1 = 0 = 1 0 1 = 1 = 1 1 = 1 = = = = 1 = = 1 = 0 =
–   Rodent III 0.238 64-bit2981+14
−15		(−54)23 − 15
(+12−4=22)
60.5%
23.0 / 38
100.0%
+7
= = 1 1 = 1 0 1 = = = = 1 = = 1 0 1 = = = 1 = 0 = = = = = 0 1 1 1 = 1 = = =
–   Pedone 1.6 64-bit2975+19
−19		(−60)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Vajolet2 2.4 64-bit2967+21
−21		(−68)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−68
0 1
–   Ethereal 9.00 64-bit2966+18
−18		(−69)19.5 − 10.5
(+13−4=13)
65.0%
19.5 / 30
100.0%
+26
= 0 1 = 0 1 = 1 1 1 = = 1 1 0 1 1 0 = 1 = = = 1 1 1 = = = =
–   Hiarcs 142959+10
−10		(−76)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−76
1 0
–   Hakkapeliitta 3.0 64-bit2953+12
−12		(−82)19 − 15
(+12−8=14)
55.9%
19.0 / 34
100.0%
−41
1 = = 1 1 = 1 = 1 0 = 0 1 = 0 = 0 = 1 0 1 0 = = 1 = 0 = 1 1 1 0 = =
–   Wasp 2.6 64-bit2945+13
−13		(−90)23 − 15
(+15−7=16)
60.5%
23.0 / 38
100.0%
−23
1 0 = 1 1 = 1 = 1 1 0 1 = = 1 1 0 = 1 1 1 = = 1 = = 0 0 = 0 1 = = 0 1 = = =
–   Deep Sjeng c't 20102939+10
−10		(−96)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−96
= =
–   Crafty 25.2 64-bit2930+11
−11		(−105)3 − 3
(+1−1=4)		50.0%
3.0 / 6
100.0%
−105
= = = = 1 0
–   chess22k 1.8 64-bit2929+21
−21		(−106)21.5 − 10.5
(+15−4=13)
67.2%
21.5 / 32
100.0%
+3
1 1 = = 1 1 = 1 = 1 = 1 0 = = 1 = = = 1 0 1 0 = 1 1 = = 0 1 1 1
–   Amoeba 2.8 64-bit2925+13
−13		(−110)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
+27
1 1 1 1 = 1 = 1 = = = = 1 = 1 = 1 1 = 1 = = = = = 1 1 = = 1
–   Deep Junior Yokohama 64-bit2918+14
−14		(−117)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−117
= =
–   Cheng 4.39 64-bit2918+10
−11		(−117)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+40
= 1
–   Toga II 4.0 64-bit2903+13
−13		(−132)18 − 6
(+15−3=6)		75.0%
18.0 / 24
100.0%
+49
= 1 1 1 1 = 1 1 1 1 0 1 1 1 = = 1 1 0 0 1 = = 1
–   Amoeba 2.7 64-bit2901+13
−13		(−134)24 − 12
(+16−4=16)
66.7%
24.0 / 36
100.0%
−29
1 0 1 1 1 0 = = = = = 0 0 = 1 = = = 1 = 1 1 = = 1 = = = 1 1 1 = 1 1 1 1
–   chess22k 1.7 64-bit2898+22
−22		(−137)14.5 − 3.5
(+11−0=7)		80.6%
14.5 / 18
100.0%
+66
= = = = 1 = 1 = 1 1 1 1 1 1 1 1 1 =
–   EXchess 7.97b 64-bit2892+13
−13		(−143)23 − 9
(+17−3=12)
71.9%
23.0 / 32
100.0%
+2
= 1 1 = 1 = 0 = = = = 1 1 = 1 0 1 = 1 1 1 1 1 0 1 = 1 = 1 = 1 1
–   Demolito 2017-08-26 64-bit2889+20
−20		(−146)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+2
= 1 = = 1 0 0 1 1 = 1 1 = 1 = 1 = 1 = 1 1 1 = 1 1 1 1 0 1 = 0 1
–   Ethereal 8.62 64-bit2883+24
−24		(−152)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−17
1 = 1 1 = 0 = = 1 = 1 1 1 1 1 1 1 = = 1 = 0 1 1 = 0 0 1 1 = = 1
–   Fruit Reloaded 3.2.1 64-bit2836+13
−13		(−199)24.5 − 7.5
(+19−2=11)
76.6%
24.5 / 32
100.0%
−19
1 0 = = 1 1 = 1 1 1 = 1 0 1 = = 1 1 = 1 1 1 1 1 = 1 1 = 1 = 1 =
1180 games: 387 wins, 282 losses, 511 draws (43.3%), score: 54.4%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021