CCRL 40/40
Downloads and Statistics
December 16, 2017
Testing summary:
Total: 768'714 games
played by 1'999 programs
105443 CPU days (X2 4600+)

White wins: 263'775 (34.3%)
Black wins: 195'465 (25.4%)
Draws: 309'474 (40.3%)
White score: 54.4%

Engine Details

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Show each game results
Arasan 17.5 64-bit (2841+25
−25
)Quote
Author: Jon Dart (USA) Link: Homepage
This is one of the 56 Arasan versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Alfil 15.7 64-bit3058+14
−14
(+217)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−44
1 0 0 0 0 0 = 0
–   Andscacs 0.72 64-bit2961+29
−28
(+120)3 − 7
(+0−4=6)
30.0%
3.0 / 10
0.0%
+5
0 = = 0 = 0 = = = 0
–   Chiron 1.5 32-bit2944+16
−16
(+103)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+71
= 1 = 0 = 0 0 = 1 =
–   Deep Shredder 12 64-bit2942+10
−9
(+101)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
0.0%
+14
= 0 = = 1 = 0 0 0 =
–   Cheng 4.39 64-bit2920+13
−13
(+79)7.5 − 3.5
(+5−1=5)
68.2%
7.5 / 11
0.0%
+186
1 = = = 1 0 = = 1 1 1
–   Vajolet2 2.0 64-bit2918+20
−20
(+77)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
−10
0 0 0 1 0 = = 1
–   Deep Junior 13.3 32-bit2909+15
−15
(+68)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+9
1 = = 0 = 0 = = = 0
–   Hannibal 1.2 32-bit2905+15
−15
(+64)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+1
= 0 = = 0 0 1 = 1 0
–   DiscoCheck 5.2 64-bit2902+18
−18
(+61)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−67
0 = = 1 0 = 0 0 = 0
–   Hiarcs 13.22899+11
−11
(+58)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
0.0%
−36
= 1 = 0 0 = = 0 = 0
–   Cheng4 0.38 64-bit2890+23
−23
(+49)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.2%
+38
= = 1 0
–   Gull 1.0a 32-bit2886+13
−13
(+45)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.1%
−103
= 0 = = 0 0 0 = 0 =
–   Quazar 0.4 32-bit2880+12
−12
(+39)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.3%
+76
1 = 0 1 = 1 0 1 0 =
–   Protector 1.4.0 32-bit2877+11
−12
(+36)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.5%
−22
= 0 = 0 1 0 = = = =
–   Vajolet2 1.45 64-bit2867+20
−20
(+26)2 − 2
(+1−1=2)
50.0%
2.0 / 4
5.2%
+26
= = 0 1
–   Spark 1.0 32-bit2865+12
−12
(+24)4 − 6
(+2−4=4)
40.0%
4.0 / 10
4.4%
−47
= 1 = 0 = 0 = 1 0 0
–   Gaviota 1.0 64-bit2859+14
−14
(+18)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
10.2%
+262
= 1 1
–   Zappa Mexico II 64-bit2858+10
−10
(+17)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
11.3%
+174
1 =
–   Doch 1.3.4 32-bit2853+22
−22
(+12)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
23.9%
−15
1 0 = = 0 = 1 = = 0
–   EXchess 7.71b 64-bit2853+22
−22
(+12)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
23.5%
+57
1 = 1 0 = =
–   Rodent 1.7 64-bit2852+19
−19
(+11)6 − 5
(+3−2=6)
54.5%
6.0 / 11
25.0%
+38
= 0 = 1 1 1 = = 0 = =
–   Thinker 5.4c Inert 32-bit2850+13
−13
(+9)5 − 5
(+3−3=4)
50.0%
5.0 / 10
25.9%
+9
0 = = 0 1 = = 1 1 0
–   Vajolet2 1.28 64-bit2849+23
−23
(+8)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
32.2%
+107
1 0 = = 1 0 1 1 = 1
–   Nemo 1.0.1 64-bit2847+13
−13
(+6)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
33.0%
+6
= 1 0
–   Atlas 3.80 64-bit2847+14
−14
(+6)10.5 − 10.5
(+7−7=7)
50.0%
10.5 / 21
33.2%
+8
= 0 0 1 0 1 = 1 = 0 1 0 = 0 1 1 0 = 1 = =
–   Onno 1.2.70 64-bit2837+17
−17
(−4)2 − 0
(+2−0=0)
100.0%
2.0 / 2
59.8%
+INF
1 1
–   DisasterArea 1.54 64-bit2828+18
−18
(−13)4 − 7
(+0−3=8)
36.4%
4.0 / 11
80.9%
−90
= 0 = = = 0 = 0 = = =
–   Rybka 1.0 64-bit2824+15
−14
(−17)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
88.1%
+14
= 1 1 = = = 1 0 0 =
–   Murka 3 64-bit2824+13
−13
(−17)11.5 − 12.5
(+7−8=9)
47.9%
11.5 / 24
88.5%
−27
= = 1 0 = 0 1 0 = = 0 0 0 = = 1 1 = 1 0 1 0 1 =
–   Tornado 6.0 64-bit2820+21
−21
(−21)3 − 5
(+1−3=4)
37.5%
3.0 / 8
89.6%
−95
= 0 0 0 = 1 = =
–   Tornado 7.0 64-bit2817+19
−19
(−24)1 − 1
(+0−0=2)
50.0%
1.0 / 2
93.7%
−24
= =
–   EXchess 7.51b 64-bit2816+27
−27
(−25)9.5 − 8.5
(+4−3=11)
52.8%
9.5 / 18
91.6%
−8
1 0 = 1 0 0 1 = = = = = = = = = 1 =
–   GNU Chess 5.60 64-bit2812+19
−19
(−29)9.5 − 12.5
(+4−7=11)
43.2%
9.5 / 22
96.6%
−68
0 1 0 = = 0 = 0 = 0 = 1 = = = = 0 = 0 1 1 =
–   Dirty 10Apr2015 64-bit2806+24
−24
(−35)9.5 − 2.5
(+7−0=5)
79.2%
9.5 / 12
97.9%
+155
1 1 = = = 1 1 1 = 1 = 1
–   Crafty 24.1 64-bit2803+22
−22
(−38)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
98.7%
−65
0 0 1 = 0 1 0 1 = 1 0 =
–   Rodent 1.6 64-bit2801+31
−31
(−40)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
97.6%
+19
= 1 = =
–   Pedone 1.1 64-bit2797+24
−24
(−44)9 − 12
(+3−6=12)
42.9%
9.0 / 21
99.4%
−85
1 = 0 = = 0 0 1 = 0 = = = 0 = = = = = 1 0
–   Bobcat 6.4b 64-bit2787+24
−24
(−54)9 − 3
(+7−1=4)
75.0%
9.0 / 12
99.9%
+118
1 1 1 1 1 1 = 1 = 0 = =
–   Loop 13.6 (Loop 2007) 64-bit2787+17
−17
(−54)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−22
1 = = 0 = = 1 = 1 0
–   Fizbo 1.1 64-bit2787+24
−24
(−54)6 − 4
(+3−1=6)
60.0%
6.0 / 10
99.9%
+5
1 = = 1 1 = 0 = = =
–   The Baron 3.29 64-bit2786+18
−18
(−55)5.5 − 6.5
(+2−3=7)
45.8%
5.5 / 12
100.0%
−73
= 1 = = 1 = = = 0 0 = 0
–   Scorpio 2.7.6 64-bit2781+17
−17
(−60)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
+92
1 = 1 = 1 =
–   Rhetoric 1.4.1 64-bit2775+18
−17
(−66)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
100.0%
−43
= 1 1 = = = 0 0 = = 1 0 = 1
–   Octochess r5190 64-bit2772+15
−15
(−69)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
100.0%
−41
= = = 0 0 1 1 = 1 = 0 1
–   Dirty 20Apr2013 64-bit2769+16
−16
(−72)5 − 3
(+2−0=6)
62.5%
5.0 / 8
100.0%
−8
= = = 1 = = = 1
–   BugChess2 1.9 64-bit2763+15
−15
(−78)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+75
1 = 0 = 1 1 1 1 1 0
–   Bison 9.11 64-bit2753+17
−17
(−88)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+59
1 = 1 0 1 1 1 1 = 0
–   Pedone 1.0 64-bit2734+27
−27
(−107)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−15
= 1 = = 0 = 1 1 1 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Arasan 17.5 64-bit
played with current
participants of this list
Represented by
1-2-CPU    160Arasan 20.2 64-bit
All    118Arasan 20.3 64-bit
Free    138Arasan 20.3 64-bit
Free 1-2-CPU    146Arasan 20.2 64-bit
Free single-CPU    146Arasan 20.2 64-bit
Single-CPU    160Arasan 20.2 64-bit

Created in 2005-2013 by CCRL team
Last games added on December 16, 2017