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
Heracles 0.6.16 UCI#155  (1993+19
−19
)Quote
Author: Franck Tempet (France) Released: 2008-08-19Link: Homepage
This engine is stable and runs without issues.
This is the only Heracles version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Requiem 0.532084+15
−15
(+91)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
+33
51.5%
1485
0.76
765
= = 0 = 0 1 0 = 1 = 1 1 0 = 0 0 = 0 0 = 0 = 1 = 0 0 1 = = 0 1 0
–   Small Potato 0.6.12082+16
−16
(+89)10.5 − 21.5
(+5−16=11)
32.8%
10.5 / 32
0.0%
−25
51.2%
2282
0.93
1168
0 = 0 0 = 0 0 0 0 0 = 0 0 = 1 = 0 0 1 0 = = 1 = = 1 0 1 = 0 = 0
–   Elephant 1.062075+16
−16
(+82)15.5 − 16.5
(+15−16=1)
48.4%
15.5 / 32
0.0%
+68
52.3%
2755
0.97
1441
1 1 0 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 0 0 = 1 1 1 0 0 1 0 0 1
–   La Dame Blanche 2.0c2070+19
−19
(+77)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+29
54.3%
1950
1.15
1059
0 1 = 1 = 0 = 0 = 1 0 0 0 0 0 0 1 0 0 1 = = = 0 = 1 0 1 1 1 0 1
–   Cilian 4.142069+16
−16
(+76)12 − 20
(+7−15=10)
37.5%
12.0 / 32
0.0%
−7
  
= 0 0 0 0 = 1 0 0 0 = 0 0 = 1 0 = 0 1 0 1 = 1 = 1 0 = 0 = = 0 1
–   Etude 0.1.22063+19
−19
(+70)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
0
54.2%
3006
0.82
1629
1 1 = 1 1 0 0 0 0 = 0 1 1 = 1 0 = 0 0 0 0 0 1 0 = 1 1 0 0 0 = 0
–   Gullydeckel 2.16pl12062+19
−19
(+69)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−67
55.1%
2028
0.80
1118
= 1 = 0 0 0 0 0 = 0 1 = 0 0 0 0 = 0 0 = = 0 0 1 0 0 = 1 1 0 0 1
–   JanWillem 1.132062+16
−16
(+69)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
−9
51.0%
2368
0.94
1208
1 0 1 = 0 0 0 1 = = = = 0 0 0 1 1 0 1 0 1 0 0 1 = = 0 0 1 0 0 0
–   Marvin 1.3.02054+16
−16
(+61)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−55
54.3%
3030
0.69
1645
= = 1 0 0 0 1 0 = = 0 0 = = 0 1 1 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0
–   Matant 5.042053+17
−17
(+60)13 − 19
(+12−18=2)
40.6%
13.0 / 32
0.0%
−18
48.7%
2188
0.79
1066
0 0 0 0 1 1 0 = 1 0 0 1 1 1 0 0 0 0 = 1 1 0 0 0 0 0 1 1 1 0 0 1
–   SSEChessII 2.05 DC2049+17
−17
(+56)14.5 − 17.5
(+7−10=15)
45.3%
14.5 / 32
0.0%
+27
52.1%
1981
1.00
1032
= 0 1 = = = 1 0 = 0 = 0 = = 1 = 0 = = 1 1 = = 0 0 1 1 0 = 0 0 =
–   Faile 1.4.42042+15
−15
(+49)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−19
54.4%
2047
0.71
1114
0 = 1 1 0 = 0 0 = = = = 0 0 = = = 0 0 0 = = 0 1 = = 0 1 1 1 0 0
–   Smash 1.0.32036+17
−17
(+43)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+19
52.8%
2657
0.68
1404
1 1 1 = 0 0 = 1 1 1 0 0 0 0 1 0 0 0 1 = = 0 0 0 1 1 = 1 0 = 0 1
–   Micro-Max 4.8 PIV DM2028+17
−17
(+35)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
0.1%
+22
73.4%
2249
1.46
1650
1 1 = 1 0 0 = = = 1 = 0 = 1 = = = = = 0 1 0 0 1 1 0 0 1 0 0 1 0
–   Sharper 0.172022+16
−16
(+29)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.7%
+62
47.9%
2755
0.91
1319
1 = 0 = 0 1 0 0 = 0 1 1 1 = 1 1 = 0 0 0 = 1 0 1 1 0 0 1 1 = 1 1
–   Mustang 4.972021+17
−17
(+28)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
1.0%
−5
51.9%
1924
0.74
998
1 0 1 0 0 1 0 = 1 = 1 0 1 0 0 0 = = 0 = 1 0 1 0 0 1 0 0 0 1 1 1
–   Rival UCI 1.182021+17
−17
(+28)14 − 18
(+11−15=6)
43.8%
14.0 / 32
1.0%
−20
53.6%
2772
0.90
1486
0 1 0 0 = 1 = = 0 1 0 0 0 0 = 1 0 1 0 0 0 0 1 1 = 1 = 1 1 0 1 0
–   BibiChess 0.52007+16
−16
(+14)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
11.8%
+45
  
1 0 1 0 0 0 1 = = = = = = 1 0 1 = 0 0 1 1 1 = = 1 0 1 1 1 0 1 0
–   IACH 0.56z1995+18
−18
(+2)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
44.7%
−8
62.3%
2322
1.52
1447
0 1 = 0 1 = 1 = 1 1 = 1 1 0 1 0 1 1 1 0 0 0 0 0 0 = 0 0 0 = = 1
–   Clueless 1.41990+18
−18
(−3)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
60.1%
+54
51.8%
2405
0.98
1245
1 1 0 1 1 0 1 = 1 1 0 = 1 0 1 0 1 0 0 1 0 = 0 1 0 1 1 1 0 = = 1
–   Warrior 1.0.31987+17
−17
(−6)19 − 13
(+15−9=8)
59.4%
19.0 / 32
70.0%
+59
53.6%
2201
0.91
1180
= 1 1 0 1 0 0 1 1 1 0 0 1 = = 1 1 1 0 1 0 1 0 = 0 1 = 1 = = = 1
–   Morphy 3.221974+17
−17
(−19)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
95.1%
+35
54.3%
2247
3.50
1221
1 = 1 0 = 1 1 0 0 1 1 = 1 = 0 1 1 0 0 0 0 = = 1 = 0 1 = = 1 1 1
–   Eagle 0.7.51973+20
−20
(−20)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
94.2%
−33
47.4%
3356
1.25
1591
0 1 0 1 0 = 0 1 1 0 0 1 1 1 = 0 1 0 1 1 = 0 1 0 1 1 0 1 0 0 0 0
–   SnailChess 4.0131973+19
−19
(−20)14 − 18
(+11−15=6)
43.8%
14.0 / 32
94.8%
−67
76.2%
2022
2.22
1540
1 1 1 1 = 1 0 0 0 0 1 0 = 1 0 1 = 0 0 0 1 0 = 0 1 1 0 = 0 = 0 0
–   Celes 0.77c1921+20
−20
(−72)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
100.0%
−155
53.1%
2344
0.96
1244
0 0 0 1 0 = 0 1 0 = 0 = = 1 0 0 0 1 1 0 1 = 1 0 0 0 0 1 1 0 0 1
–   Simontacchi 1.811915+20
−20
(−78)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+14
51.5%
2321
1.10
1195
1 1 = 0 1 0 1 = 1 1 1 1 = 0 0 1 1 0 1 1 0 1 0 1 0 = = 0 = 1 1 1
–   Ranita 2.41907+20
−20
(−86)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+17
59.3%
2427
1.09
1439
= 1 = 1 1 0 1 1 0 1 1 = = 0 0 = 1 = 0 0 1 1 1 1 1 0 1 1 = 0 1 1
–   Cecir 3.51885+19
−19
(−108)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
100.0%
−142
49.1%
2340
1.05
1150
1 = 0 0 = 1 0 1 = 0 1 0 0 1 0 0 1 0 0 1 1 0 1 1 0 = = 0 0 = = 1
–   Enigma 1.1.41879+21
−21
(−114)26.5 − 5.5
(+22−1=9)
82.8%
26.5 / 32
100.0%
+122
44.3%
2243
1.08
993
1 1 = 1 1 = = = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 0 = 1 = 1 1 1 = 1 =
–   Soldat 0.25b1873+17
−17
(−120)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+7
50.8%
1898
0.91
964
1 1 0 1 = = 1 1 = 0 1 1 1 1 1 = = 1 1 = 0 0 0 = 1 1 = 1 = = 1 1
–   Grizzly 1.40.1b1837+20
−20
(−156)24.5 − 7.5
(+24−7=1)
76.6%
24.5 / 32
100.0%
+82
49.0%
2141
0.74
1049
1 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 = 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1
–   Robin 0.9831834+20
−20
(−159)24.5 − 7.5
(+23−6=3)
76.6%
24.5 / 32
100.0%
+64
47.9%
2556
0.98
1224
1 1 1 = = 1 1 1 0 1 1 1 1 0 0 0 1 1 0 1 0 1 1 1 1 1 1 1 = 1 1 1
–   Elf 1.3.01820+18
−18
(−173)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
−46
55.3%
1973
0.86
1092
1 1 1 = 0 1 = 0 1 0 = 1 1 = 1 = 0 1 1 1 1 1 1 1 0 = 0 1 0 1 = 1
–   Laurifer 1.01815+18
−18
(−178)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
+54
53.5%
1738
0.79
930
1 1 = = 1 = 1 1 0 1 1 = 1 = = 1 1 0 1 1 1 = 1 1 1 = 1 1 1 1 1 1
–   Kanguruh 1.931806+22
−22
(−187)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+13
50.3%
2159
0.81
1085
1 1 1 0 1 1 = = 1 1 = 1 1 1 = 1 = 0 = 1 1 1 1 1 1 1 0 1 = 1 0 1
–   Aldebaran 0.7.01794+19
−19
(−199)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
+1
53.5%
1514
1.36
810
1 = = 1 = 1 = = 1 1 1 = 1 1 = 1 1 1 = 1 1 1 = = 1 1 1 1 = 1 1 0
–   Adamant 1.71790+19
−19
(−203)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−100
54.2%
2409
0.91
1305
1 1 1 1 = 1 0 1 0 = 1 0 1 1 = 1 1 1 = = 0 1 0 = 1 1 0 1 = 0 1 0
–   SEE 0.6.91781+21
−21
(−212)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
−30
49.0%
2215
1.21
1085
1 = 1 = 0 = 1 1 = = 1 1 1 0 = = 1 1 1 = 1 1 1 0 1 0 1 1 1 1 1 1

Performance

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

Perf = C + 0.033 [±0.189] * 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