KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
June 16, 2013
Testing summary:
Total: 135,679 games
played by 202 programs
1398 CPU days (X2 4600+)

White wins: 55,227 (40.7%)
Black wins: 47,434 (35.0%)
Draws: 33,018 (24.3%)
White score: 52.9%

Engine Details

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ChessterfieldCL i5a JA WB#185  (1546+29
−29		)Quote
Author: Matthias Luscher (Switzerland) Released: 2007-01-02Links: Homepage, Jim Ablett's compile
Issues with this engine: Occasional losses on time.
This is the only ChessterfieldCL version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Elf 1.3.01820+18
−18		(+274)3.5 − 28.5
(+2−27=3)
10.9%
3.5 / 32
0.0%
−85
45.1%
2287
1.12
1031
0 0 0 0 0 = 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 = 0 0 0 0 = 0 0 0 0 0
–   Laurifer 1.01815+18
−18		(+269)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
+60
44.9%
1579
1.34
709
0 0 0 0 0 0 0 = 1 0 0 0 0 0 0 = 1 0 = = 0 0 0 0 1 1 0 = 0 0 0 1
–   Kanguruh 1.931806+22
−22		(+260)6 − 26
(+2−22=8)
18.8%
6.0 / 32
0.0%
+29
43.1%
1681
1.17
724
0 0 0 0 = 0 = 1 = 0 0 = 0 0 1 0 0 0 0 0 = 0 0 = 0 = 0 0 0 0 0 =
–   Aldebaran 0.7.01794+19
−19		(+248)10.5 − 21.5
(+4−15=13)
32.8%
10.5 / 32
0.0%
+135
45.4%
1494
0.55
679
= = = 0 = 0 = 0 0 1 = 0 0 0 0 0 = 0 1 0 = 0 0 1 = 0 = 0 = = = 1
–   Adamant 1.71790+19
−19		(+244)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
−9
42.0%
2794
1.38
1174
0 0 0 0 1 0 0 1 = 0 0 0 1 0 = 0 1 0 0 0 0 0 = 0 0 0 1 0 0 0 0 0
–   SEE 0.6.91781+21
−21		(+235)6.5 − 25.5
(+3−22=7)
20.3%
6.5 / 32
0.0%
+10
42.2%
2196
0.78
926
0 0 = 0 0 1 0 0 0 0 1 = 0 0 0 = = 0 0 0 0 0 0 1 = 0 0 0 0 0 = =
–   Mizar 3.01767+20
−20		(+221)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
+10
38.6%
2269
1.86
875
0 0 0 0 0 0 = = 0 0 0 = 1 0 = 1 0 0 0 1 0 0 0 0 0 0 = 0 1 0 0 1
–   Belzebub 0.671744+22
−22		(+198)8.5 − 23.5
(+2−17=13)
26.6%
8.5 / 32
0.0%
+48
44.6%
1588
1.73
708
= 0 1 0 = 0 0 = = 0 0 0 = 0 0 = 0 0 1 = 0 0 = = 0 = 0 0 = = = 0
–   ALChess 1.5b1729+22
−22		(+183)5 − 27
(+4−26=2)
15.6%
5.0 / 32
0.0%
−131
42.6%
2780
0.93
1185
1 0 0 0 0 0 0 0 0 1 = 0 0 0 0 0 0 0 = 0 0 0 1 0 0 0 0 0 1 0 0 0
–   IQ23 0031716+23
−23		(+170)12 − 20
(+3−11=18)
37.5%
12.0 / 32
0.0%
+99
38.5%
795
1.26
306
= = 0 1 = = = 0 = = = 1 0 = = 0 0 = = = = = = 1 0 = 0 0 0 = 0 0
–   Rainman 0.7.51687+24
−24		(+141)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
+46
43.3%
2007
1.00
869
0 1 1 = 0 1 0 0 0 = = 0 0 = 1 0 0 = 1 = 0 0 = = 0 0 0 0 1 = 1 0
–   Storm 0.61673+25
−25		(+127)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−133
43.8%
1843
1.17
807
0 0 1 = 0 = 0 0 0 0 0 1 0 0 0 0 0 0 = 0 0 0 0 0 0 1 = 0 1 0 0 0
–   Zotron 4.4.61669+24
−24		(+123)8 − 24
(+1−17=14)
25.0%
8.0 / 32
0.0%
−32
38.2%
1731
0.54
662
= = = = 0 0 0 = 0 0 = 0 = = = = 0 0 1 0 = 0 0 0 = 0 = 0 0 = 0 0
–   Needle 0.53.11648+25
−25		(+102)11.5 − 20.5
(+4−13=15)
35.9%
11.5 / 32
0.0%
+16
47.2%
1513
0.66
714
0 = 0 = = = = 1 1 0 = 0 0 0 = = 1 = = 0 = 0 0 0 = 0 1 = 0 = 0 =
–   Exacto 0.d1607+26
−26		(+61)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−89
38.2%
1094
1.02
418
1 0 = = 1 0 = = = 0 0 0 0 0 = 0 1 0 0 0 = 0 0 0 = 0 = 1 0 0 0 =
–   Piranha 0.51574+28
−28		(+28)14 − 18
(+9−13=10)
43.8%
14.0 / 32
6.2%
−11
39.3%
2022
1.52
795
1 = = 0 0 1 1 0 0 = 0 0 1 0 0 = 1 0 1 0 = 1 0 = 0 = 1 0 1 = = =
–   MiniMardi 1.31503+33
−33		(−43)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
98.4%
−52
34.8%
969
0.87
337
= 1 = 1 0 = 1 = 0 = 0 1 = 1 = = = 0 0 1 = 1 1 0 0 = 0 0 1 0 1 0
544 games in total: 74 wins, 320 losses, 150 draws (27.6%), score: 27.4%
Average opponent: +167.1 (1713.1), average distance to opponent: 172.2

Performance

This figure shows how this engine performs depending on how strong is the opponent. Regression:

Perf = C + 0.276 [±0.391] * Opp

Where 'Opp' is the opponent's rating. 95% confidence intervals are in the brackets.

Rating changes by day

Rating changes with played games

Created in 2005-2012 by Kirill Kryukov
Updated on June 16, 2013