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

Options
Show each game results
Enigma 1.1.4 WB#165  (1879+21
−21
)Quote
Author: Kamil Przybyla (Poland) Released: 2004-06-02
This engine is stable and runs without issues.
This is the only Enigma version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Micro-Max 4.8 PIV DM2028+17
−17
(+149)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
+69
73.2%
2170
1.31
1588
0 0 0 1 1 1 0 = 1 1 = 1 = 1 1 = 0 0 0 0 = 0 0 1 0 0 0 = 0 0 0 =
–   Sharper 0.172022+16
−16
(+143)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−115
45.2%
2651
0.96
1198
0 0 0 0 1 0 0 = 0 = 0 = 1 0 0 = 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0
–   Mustang 4.972021+17
−17
(+142)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
+61
46.3%
1352
0.88
626
= 0 0 = 1 = 0 0 = = 0 1 1 0 = 0 = 0 0 = 0 0 1 1 0 = = 1 0 0 = =
–   Rival UCI 1.182021+17
−17
(+142)10.5 − 21.5
(+5−16=11)
32.8%
10.5 / 32
0.0%
+29
46.7%
1720
1.11
804
0 0 = 0 0 = 1 0 1 = 1 0 0 0 = = = 0 0 = = 0 0 0 = 1 0 = 1 0 0 =
–   BibiChess 0.52007+16
−16
(+128)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
+20
  
0 = 0 0 1 1 0 = 0 0 0 0 0 1 = = 1 0 = = 0 = 0 1 0 = = 0 1 = 0 0
–   IACH 0.56z1995+18
−18
(+116)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−33
59.8%
1447
1.37
866
0 0 0 = 0 = = 0 0 0 1 0 0 0 = 1 = = 0 0 = = 0 0 0 = = 1 0 0 1 0
–   Heracles 0.6.161993+19
−19
(+114)5.5 − 26.5
(+1−22=9)
17.2%
5.5 / 32
0.0%
−122
44.3%
2243
1.08
993
0 0 = 0 0 = = = 0 0 0 0 0 0 0 0 0 0 = 0 0 0 1 = 0 = 0 0 0 = 0 =
–   Clueless 1.41990+18
−18
(+111)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
−99
48.5%
2639
1.40
1280
0 0 1 0 0 0 0 = 0 1 0 0 0 = 0 0 0 0 0 0 0 1 0 0 = = 0 1 0 1 = 0
–   Warrior 1.0.31987+17
−17
(+108)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−42
47.1%
2112
1.17
994
0 = 0 0 0 0 0 = = 0 0 1 0 0 = 0 0 1 0 1 0 = = = 0 = 1 = 0 = 0 0
–   Morphy 3.221974+17
−17
(+95)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
+26
48.4%
2469
3.82
1196
0 = 0 = 1 0 1 1 = 0 = 0 0 0 0 1 0 0 0 0 1 1 1 = 0 1 0 1 1 = 0 0
–   Eagle 0.7.51973+20
−20
(+94)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−23
43.2%
1805
1.10
779
0 0 0 0 1 1 0 1 0 0 = 1 = 0 0 0 0 0 0 1 = 0 1 0 0 = 1 = 0 0 1 =
–   SnailChess 4.0131973+19
−19
(+94)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−5
74.4%
1774
2.21
1319
1 0 1 = 1 0 1 1 0 0 1 = 1 1 = 0 1 0 0 0 0 0 = 0 0 0 0 1 0 0 0 0
–   Celes 0.77c1921+20
−20
(+42)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.1%
+18
46.7%
2552
1.46
1192
= = = 0 0 0 0 1 0 0 0 1 1 0 1 = 1 0 1 1 1 1 1 0 0 1 0 0 = = 0 1
–   Simontacchi 1.811915+20
−20
(+36)15 − 17
(+14−16=2)
46.9%
15.0 / 32
0.4%
+8
48.0%
2215
1.34
1063
1 0 1 0 1 1 = 1 0 0 0 0 0 1 1 0 0 1 1 1 0 0 0 0 0 0 = 1 0 1 1 1
–   Ranita 2.41907+20
−20
(+28)16 − 16
(+13−13=6)
50.0%
16.0 / 32
1.9%
+25
52.0%
1941
1.33
1009
1 1 0 0 1 1 1 = 1 = 0 1 0 0 0 0 0 0 1 = 0 = 1 1 = 1 0 0 1 0 1 =
–   Cecir 3.51885+19
−19
(+6)21 − 11
(+17−7=8)
65.6%
21.0 / 32
33.5%
+116
45.2%
1532
1.36
693
1 1 = = 1 1 1 0 1 0 1 1 1 = 0 0 = = 1 = 1 1 1 0 = 1 1 1 1 0 = 0
–   Soldat 0.25b1873+17
−17
(−6)18 − 14
(+15−11=6)
56.3%
18.0 / 32
70.6%
+40
45.4%
2306
1.30
1046
1 = = 1 = 0 1 0 1 1 1 1 0 0 0 0 1 = 1 0 1 1 1 1 = 1 1 0 0 = 0 0
–   Grizzly 1.40.1b1837+20
−20
(−42)18 − 14
(+16−12=4)
56.3%
18.0 / 32
99.9%
+9
42.7%
1958
1.12
836
1 0 0 1 0 0 1 1 0 1 0 1 1 = 0 = 0 = 1 1 1 0 1 1 1 = 0 0 1 0 1 1
–   Robin 0.9831834+20
−20
(−45)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−45
43.5%
2354
1.05
1024
0 0 0 = 1 0 1 = = 1 1 1 0 1 1 0 = = = 1 = 0 0 1 1 = 0 1 0 1 0 0
–   Elf 1.3.01820+18
−18
(−59)20 − 12
(+18−10=4)
62.5%
20.0 / 32
100.0%
+37
49.7%
2306
1.32
1146
1 0 0 1 0 0 = 1 1 1 = 1 0 1 0 1 1 1 = 1 = 0 1 1 1 0 1 1 0 0 1 1
–   Laurifer 1.01815+18
−18
(−64)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−39
50.9%
1819
1.03
926
0 0 1 = 1 = 1 = 0 1 0 1 0 0 1 0 0 0 = 1 1 1 1 = 1 0 1 0 = 1 1 0
–   Kanguruh 1.931806+22
−22
(−73)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+19
43.9%
2225
1.40
976
1 0 = 1 0 1 1 = 0 0 = 0 1 0 1 0 1 = = 0 1 1 1 1 1 = 1 1 1 0 1 1
–   Aldebaran 0.7.01794+19
−19
(−85)16.5 − 15.5
(+10−9=13)
51.6%
16.5 / 32
100.0%
−77
46.6%
1253
1.41
584
= 1 1 = = 0 = 1 1 = 1 0 0 = = 0 = 0 1 0 = 0 = 1 1 1 = 0 0 = = 1
–   Adamant 1.71790+19
−19
(−89)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+28
51.9%
1986
1.11
1030
1 1 1 1 1 = = 0 1 0 = 0 0 1 0 0 1 0 1 1 1 = 1 1 1 0 1 = 1 1 1 =
–   SEE 0.6.91781+21
−21
(−98)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−13
45.8%
1709
1.65
782
1 0 1 0 1 1 0 0 = 1 = = = 1 0 1 = = 1 0 1 = 1 1 = = 1 1 0 1 1 =
–   Mizar 3.01767+20
−20
(−112)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+82
43.0%
2332
1.93
1002
0 1 0 0 1 0 = 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 0 1 1 0 1 1
–   Belzebub 0.671744+22
−22
(−135)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
−9
44.6%
2417
2.24
1077
1 1 = 1 1 1 1 1 1 0 1 1 0 = 1 0 1 1 1 = = = = 0 0 1 0 0 1 = 1 1
–   ALChess 1.5b1729+22
−22
(−150)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+16
47.9%
1618
1.34
775
1 0 0 1 = 1 1 1 1 0 = 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 = = = 1 =
–   IQ23 0031716+23
−23
(−163)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−20
42.6%
1211
1.23
516
0 1 1 1 = 1 1 0 0 = = = 0 = 1 1 1 1 = 1 1 1 1 1 0 = 1 = 1 1 = 1
–   Rainman 0.7.51687+24
−24
(−192)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
−42
47.4%
1841
1.37
872
1 1 1 0 1 1 0 1 1 = 1 0 = 0 1 1 0 1 0 1 = 1 1 1 1 1 1 0 0 = 1 1
–   Storm 0.61673+25
−25
(−206)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+33
46.7%
1634
1.27
763
1 1 1 = = 1 1 1 1 1 1 1 1 1 1 = 0 1 1 0 1 1 1 1 0 = = 1 1 1 0 1
–   Zotron 4.4.61669+24
−24
(−210)24 − 8
(+22−6=4)
75.0%
24.0 / 32
100.0%
−7
38.9%
1714
1.60
667
1 0 1 1 1 0 = 1 0 1 1 1 = 0 1 1 1 = 0 1 1 = 1 1 1 1 1 1 1 0 1 1
–   Needle 0.53.11648+25
−25
(−231)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
−6
52.0%
1856
1.58
966
= 1 0 1 1 1 = 1 = 1 1 1 = 1 0 1 1 1 1 1 1 1 = = 1 1 0 1 1 = 1 1
–   Exacto 0.d1607+26
−26
(−272)29.5 − 2.5
(+27−0=5)
92.2%
29.5 / 32
100.0%
+99
37.8%
1270
1.74
480
1 1 1 = 1 1 1 1 1 1 = 1 1 1 = 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 1

Performance

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

Perf = C − 0.084 [±0.147] * 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