CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Ethereal 8.62 64-bit (2883+23
−24
)Quote
Author: Andrew Grant (USA) Link: Homepage
This is one of the 33 Ethereal versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Gull 3.1 64-bit3038+16
−16
(+155)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−40
0 = 0 0 = = 0 0 = 0
–   Arasan 20.4.1 64-bit3035+16
−16
(+152)9.5 − 22.5
(+4−17=11)
29.7%
9.5 / 32
0.0%
+17
0 = 0 0 = 1 = = 0 = 0 0 0 0 0 0 0 = = 0 = 1 0 0 = 1 1 0 0 = = 0
–   ChessBrainVB 3.663033+23
−23
(+150)4.5 − 9.5
(+0−5=9)
32.1%
4.5 / 14
0.0%
+52
= = 0 = = = = 0 = = 0 = 0 0
–   SmarThink 1.98 64-bit3024+13
−13
(+141)6 − 8
(+3−5=6)
42.9%
6.0 / 14
0.0%
+96
1 0 = 1 = = 0 1 = = 0 0 0 =
–   Pedone 1.7 64-bit3011+17
−17
(+128)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.0%
+69
1 = 0 1 = = 0 1 0 = 0 0
–   Naum 4.6 64-bit3008+12
−12
(+125)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−70
0 0 = = = 0 0 0 0 =
–   Arasan 20.3 64-bit3007+20
−20
(+124)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−105
0 = 0 0 0 0 1 0 = 0
–   Vajolet2 2.5 64-bit2999+18
−18
(+116)2.5 − 9.5
(+0−7=5)
20.8%
2.5 / 12
0.0%
−72
0 = 0 = 0 0 0 = = 0 = 0
–   Rodent III 0.238 64-bit2980+15
−15
(+97)12 − 20
(+5−13=14)
37.5%
12.0 / 32
0.0%
+22
= = 0 = 1 0 = 1 0 = = 0 = 1 0 0 = 0 0 1 0 = = = = 0 = 0 0 0 = 1
–   Chiron 1.1a 64-bit2976+13
−13
(+93)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−234
= 0 0 0 0 = 0 0 0 0
–   Vajolet2 2.4 64-bit2967+21
−21
(+84)5 − 5
(+1−1=8)
50.0%
5.0 / 10
0.0%
+84
= 0 = = 1 = = = = =
–   Ethereal 9.00 64-bit2966+18
−18
(+83)10.5 − 19.5
(+2−11=17)
35.0%
10.5 / 30
0.0%
−4
0 = 0 = = = 0 = 0 0 = = = = = 0 0 = = = 1 = 0 1 0 = 0 0 = =
–   Hannibal 1.3 64-bit2961+17
−17
(+78)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+82
0 0 1 0 1 = = = 1 =
–   Wasp 2.6 64-bit2945+13
−13
(+62)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−65
0 0 0 = = 0 1 0 = =
–   Rodent III 0.210 64-bit2935+19
−19
(+52)4 − 6
(+0−2=8)
40.0%
4.0 / 10
0.0%
+2
= 0 = = = = = = 0 =
–   Crafty 25.2 64-bit2930+11
−11
(+47)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
−12
= 0 = 0 = 1 = = 0 =
–   Bobcat 8.0 64-bit2922+13
−13
(+39)6 − 7
(+4−5=4)
46.2%
6.0 / 13
0.2%
+14
1 0 0 = = 1 0 1 0 0 = = 1
–   Spike 1.4 Leiden2913+8
−8
(+30)2 − 0
(+2−0=0)
100.0%
2.0 / 2
0.9%
+INF
1 1
–   Toga II 4.0 64-bit2903+13
−13
(+20)13 − 15
(+8−10=10)
46.4%
13.0 / 28
7.4%
−6
= 1 = 0 = 0 = = 1 1 0 0 = = 1 0 = 0 0 1 = 0 0 1 1 0 = 1
–   Quazar 0.4 64-bit2903+10
−10
(+20)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
6.1%
−122
= 0
–   Amoeba 2.7 64-bit2900+13
−13
(+17)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
10.5%
+38
= = = 0 1 1 0 = = = = 1
–   Rybka 1.2 64-bit2898+18
−18
(+15)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
15.9%
−20
= 0 = 0 = 0 = 1 1 =
–   chess22k 1.7 64-bit2897+22
−22
(+14)7.5 − 9.5
(+2−4=11)
44.1%
7.5 / 17
18.7%
−17
= = = = = = = 0 = = = 0 1 = 0 1 0
–   Atlas 3.91 64-bit2897+13
−13
(+14)6 − 8
(+2−4=8)
42.9%
6.0 / 14
15.0%
−26
= = = = 0 = = = = 0 1 1 0 0
–   EXchess 7.97b 64-bit2893+12
−12
(+10)1 − 2
(+0−1=2)
33.3%
1.0 / 3
24.0%
−61
= = 0
–   Spark 1.0 64-bit2891+12
−12
(+8)0 − 2
(+0−2=0)
0.0%
0.0 / 2
28.8%
−INF
0 0
–   Deuterium 14.3.34.130 64-bit2889+12
−12
(+6)1 − 1
(+1−1=0)
50.0%
1.0 / 2
32.7%
+6
0 1
–   Demolito 2017-08-26 64-bit2888+20
−20
(+5)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
37.0%
+240
1 1 =
–   Scorpio 2.8 64-bit2884+14
−14
(+1)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
47.2%
−29
=
–   Scorpio 2.7.9 64-bit2865+25
−25
(−18)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
85.2%
+12
= = 1 0 = 0 1 = 1 =
–   Thinker 5.4d Inert 64-bit2863+15
−15
(−20)1 − 1
(+0−0=2)
50.0%
1.0 / 2
91.8%
−20
= =
–   Gaviota 1.0 64-bit2858+11
−11
(−25)1 − 1
(+0−0=2)
50.0%
1.0 / 2
97.4%
−25
= =
–   Dirty 30Apr2017 64-bit2855+15
−15
(−28)9 − 5
(+7−3=4)
64.3%
9.0 / 14
97.8%
+72
1 1 = 0 1 = 1 = 1 0 1 1 0 =
–   Zappa Mexico II 64-bit2852+10
−10
(−31)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.1%
+INF
1 1
–   MinkoChess 1.3 64-bit2851+14
−14
(−32)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.0%
+INF
1 1
–   DisasterArea 1.65 64-bit2846+13
−13
(−37)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
99.6%
−179
= 0
–   Atlas 3.80 64-bit2846+14
−14
(−37)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
99.6%
−213
0 0 = 1 0 0 = 0 0 =
–   Thinker 5.3b Inert 32-bit2844+19
−19
(−39)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
99.4%
+131
= 1 = 1 1 1 0 1 = 1
–   Tornado 8.0 64-bit2842+13
−13
(−41)7 − 5
(+4−2=6)
58.3%
7.0 / 12
99.9%
+11
1 = = = 1 = = 0 0 1 1 =
–   The Baron 3.41 64-bit2836+22
−22
(−47)4 − 6
(+2−4=4)
40.0%
4.0 / 10
99.8%
−114
= 0 = 1 0 = = 0 1 0
–   Fruit Reloaded 3.2.1 64-bit2836+12
−12
(−47)6.5 − 4.5
(+4−2=5)
59.1%
6.5 / 11
100.0%
+8
= = 1 1 0 1 0 1 = = =
–   Tucano 7.00 64-bit2824+19
−19
(−59)7 − 3
(+4−0=6)
70.0%
7.0 / 10
100.0%
+55
= = 1 = 1 = = 1 1 =
–   The Baron 3.42 64-bit2796+14
−14
(−87)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−56
=
–   GnuCheese 1.00 64-bit2794+16
−16
(−89)7 − 3
(+4−0=6)
70.0%
7.0 / 10
100.0%
+22
1 = = 1 = 1 1 = = =
–   Rhetoric 1.4.3 64-bit2792+12
−12
(−91)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−118
1 = = 1 0 0 0 = = =
–   Loop 13.6 (Loop 2007) 64-bit2788+15
−16
(−95)7 − 3
(+4−0=6)
70.0%
7.0 / 10
100.0%
+16
= 1 1 = = = 1 = = 1
–   Octochess r5506 64-bit2783+15
−15
(−100)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+4
1 = = 0 1 1 0 1 1 =
–   Twisted Logic 20100131x 64-bit2770+16
−16
(−113)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
−11
= 1 1 0 1 1 = = 0 1
–   RuyDos 1.0.27 64-bit2762+23
−23
(−121)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+74
= 1 1 = = 1 1 1 1 =
–   BugChess2 1.9 64-bit2759+13
−13
(−124)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−55
0 = 0 1 = = 1 = 1 1
–   Bison 9.11 64-bit2755+13
−13
(−128)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
100.0%
−100
= = 1 = 1 = = = = 0
–   Carballo 1.7 64-bit2736+14
−14
(−147)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
−19
= = 1 = 1 1 = 0 1 1
–   Marvin 2.2.0 64-bit2718+25
−25
(−165)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
−16
= 1 = = 1 1 = 1 1 =
–   Shield 2.0 64-bit2712+24
−24
(−171)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+155
1 1 1 1 1 = = 1 1 1
–   Cheese 1.9 64-bit2704+16
−16
(−179)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+19
1 1 1 1 1 = 1 = = =

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021