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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Show each game results
IQ23 003 UCI#178  (1716+23
−23
)Quote
Author: Mathias Muller (Germany) Released: 2006-03-16Link: Homepage
This engine is stable and runs without issues.
This is the only IQ23 version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Celes 0.77c1921+20
−20
(+205)8 − 24
(+3−19=10)
25.0%
8.0 / 32
0.0%
+35
46.5%
1160
1.02
539
1 = 0 = 0 0 = 0 0 = = 0 0 0 0 0 0 = 1 0 = 0 0 = 0 0 0 0 1 = 0 =
–   Simontacchi 1.811915+20
−20
(+199)4.5 − 27.5
(+3−26=3)
14.1%
4.5 / 32
0.0%
−122
42.7%
1299
0.68
555
0 0 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 0 0 =
–   Ranita 2.41907+20
−20
(+191)6 − 26
(+1−21=10)
18.8%
6.0 / 32
0.0%
−27
53.6%
1196
0.52
641
= 0 0 0 0 = 0 = 0 0 = = 0 0 0 0 = = 0 = 0 0 0 0 = 0 = 0 0 1 0 0
–   Cecir 3.51885+19
−19
(+169)12.5 − 19.5
(+5−12=15)
39.1%
12.5 / 32
0.0%
+103
45.3%
981
0.69
444
= 0 = = 0 = 0 1 1 0 1 0 1 = = = 0 = = 0 = 0 1 = 0 0 = = = = 0 0
–   Enigma 1.1.41879+21
−21
(+163)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+20
42.6%
1211
1.23
516
1 0 0 0 = 0 0 1 1 = = = 1 = 0 0 0 0 = 0 0 0 0 0 1 = 0 = 0 0 = 0
–   Soldat 0.25b1873+17
−17
(+157)11.5 − 20.5
(+4−13=15)
35.9%
11.5 / 32
0.0%
+74
46.9%
772
0.73
362
0 1 0 = 0 = = 0 = 0 0 = = = 1 0 = 0 1 = 0 = 0 = 1 = 0 = 0 = = 0
–   Grizzly 1.40.1b1837+20
−20
(+121)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+46
42.4%
967
0.70
410
1 0 = 0 0 0 = 0 0 1 0 = 1 = 0 0 0 0 1 = 1 0 0 0 = = 0 1 = = 1 1
–   Robin 0.9831834+20
−20
(+118)12 − 20
(+5−13=14)
37.5%
12.0 / 32
0.0%
+39
44.8%
977
0.69
438
= = 0 = 0 = 1 = 0 0 0 0 0 0 = 0 0 0 0 1 = 1 0 = 1 = = = 1 = = =
–   Elf 1.3.01820+18
−18
(+104)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−60
52.2%
1244
0.69
649
= 1 0 = = 0 0 = 0 0 0 = 0 0 1 0 0 1 0 = 0 0 0 0 0 = 0 = 0 1 = 0
–   Laurifer 1.01815+18
−18
(+99)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−2
44.0%
880
0.90
387
= 0 0 0 0 = = = 0 = 0 0 0 1 0 0 = 0 = 1 0 0 1 = 1 = = 0 0 = 1 =
–   Kanguruh 1.931806+22
−22
(+90)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
−52
46.2%
1137
0.92
525
= = = = 0 0 0 0 1 0 = 0 1 0 0 0 0 0 0 0 1 1 = 1 = 0 0 0 0 = = 0
–   Aldebaran 0.7.01794+19
−19
(+78)16 − 16
(+8−8=16)
50.0%
16.0 / 32
0.0%
+78
46.0%
906
1.00
417
1 = 0 0 = = = 0 1 = 0 1 = = = 1 0 = = = = = = = 0 1 0 1 1 = 1 0
–   Adamant 1.71790+19
−19
(+74)10 − 22
(+4−16=12)
31.3%
10.0 / 32
0.0%
−47
54.6%
1291
0.54
705
0 = = = 0 0 = = 0 0 0 0 = 0 0 = 1 0 1 = = 0 0 = = 0 0 0 1 0 1 =
–   SEE 0.6.91781+21
−21
(+65)12.5 − 19.5
(+5−12=15)
39.1%
12.5 / 32
0.0%
−1
41.7%
932
0.99
389
1 = = 1 1 0 0 0 = = 0 0 0 0 = = = = = 0 0 0 0 0 = = = = 1 = = 1
–   Mizar 3.01767+20
−20
(+51)12.5 − 19.5
(+7−14=11)
39.1%
12.5 / 32
0.0%
−21
41.8%
1130
1.29
472
0 1 1 0 = 0 0 = = 1 0 = 0 1 = 0 = = = 0 1 = 0 = 0 0 0 = 1 0 0 1
–   Belzebub 0.671744+22
−22
(+28)19 − 13
(+11−5=16)
59.4%
19.0 / 32
2.6%
+83
44.2%
758
1.46
335
= = = 0 1 = = = = 1 0 = 0 0 1 0 1 = = = 1 = 1 1 = 1 = 1 = 1 1 =
–   ALChess 1.5b1729+22
−22
(+13)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
19.1%
+23
45.5%
1006
0.72
458
1 = 0 0 1 1 1 1 1 0 = = 0 1 = 0 = 0 1 = 0 = 0 = = 0 1 1 = = 1 0
–   Rainman 0.7.51687+24
−24
(−29)19 − 13
(+11−5=16)
59.4%
19.0 / 32
97.5%
+27
41.7%
773
1.13
322
= = = = 1 = = 0 1 = = = 1 1 = 1 = 0 1 1 1 1 1 1 0 = 0 = 0 = = =
–   Storm 0.61673+25
−25
(−43)18 − 14
(+12−8=12)
56.3%
18.0 / 32
99.8%
−1
47.4%
909
0.90
431
1 = 0 1 = 1 0 = = 0 1 1 1 1 0 = 1 1 = = 1 1 = = 0 1 = 0 = 0 0 =
–   Zotron 4.4.61669+24
−24
(−47)15 − 17
(+6−8=18)
46.9%
15.0 / 32
99.9%
−63
36.8%
775
1.20
285
1 1 = 0 = = 0 = = = 0 0 1 = = = = 0 = 0 = = 1 1 0 = 0 = 1 = = =
–   Needle 0.53.11648+25
−25
(−68)15 − 17
(+10−12=10)
46.9%
15.0 / 32
100.0%
−89
47.0%
1093
0.85
514
0 0 = = 0 = = 0 0 = 1 1 1 0 0 1 = 0 0 1 1 1 1 0 = 0 1 1 = 0 = =
–   Exacto 0.d1607+26
−26
(−109)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
0
43.3%
467
1.08
202
1 = = = 1 = = = 1 = 0 = = 0 = 1 1 = 1 1 1 = = 1 1 1 1 = 1 = = 1
–   Piranha 0.51574+28
−28
(−142)23 − 9
(+22−8=2)
71.9%
23.0 / 32
100.0%
+44
44.3%
1811
0.90
802
= 1 0 1 1 0 1 1 1 1 0 1 1 1 0 1 0 1 1 1 1 1 1 1 0 0 1 1 1 = 1 0
–   ChessterfieldCL i5a JA1546+29
−29
(−170)20 − 12
(+11−3=18)
62.5%
20.0 / 32
100.0%
−99
38.5%
795
1.26
306
= = 1 0 = = = 1 = = = 0 1 = = 1 1 = = = = = = 0 1 = 1 1 1 = 1 1
–   MiniMardi 1.31503+33
−33
(−213)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
−38
43.4%
862
0.94
374
0 1 1 1 1 1 1 = = 1 = 1 1 1 0 0 1 1 1 = 1 1 1 = 1 1 1 = 1 0 0 =

Performance

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

Perf = C + 0.124 [±0.198] * 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