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
Eagle 0.7.5 UCI#159–160  (1973+20
−20
)Quote
Author: Frank Scharn (Germany) Released: 2006-03-08Link: RWBC
Issues with this engine: Frequent crashes.
This is the only Eagle version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Small Potato 0.6.12082+16
−16
(+109)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−8
50.6%
2510
0.69
1271
1 = 0 0 0 = 0 0 0 1 0 = 0 1 = 1 0 1 0 1 = 0 0 0 0 1 0 = 0 0 1 0
–   Elephant 1.062075+16
−16
(+102)9 − 23
(+8−22=2)
28.1%
9.0 / 32
0.0%
−84
49.1%
2171
1.00
1067
= 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 1 1 0 = 0 0 0
–   Cilian 4.142069+16
−16
(+96)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
0.0%
+84
  
1 0 = 1 0 0 1 0 0 0 1 1 1 1 0 1 = = 0 1 0 = 1 1 0 1 0 0 = 0 1 0
–   Etude 0.1.22063+19
−19
(+90)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+31
46.2%
2603
0.82
1202
= 0 0 = 1 = = 0 1 0 1 1 0 0 0 1 0 1 0 0 0 1 0 0 0 1 = 1 1 1 0 0
–   JanWillem 1.132062+16
−16
(+89)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−6
46.7%
2416
1.04
1129
0 0 0 = 0 0 1 = 1 0 1 1 0 0 0 0 0 0 1 = 1 0 0 1 1 0 1 1 0 0 0 =
–   Marvin 1.3.02054+16
−16
(+81)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
−53
50.6%
2602
1.19
1317
0 1 0 1 1 0 0 0 1 0 0 = = 1 0 0 = 0 = 1 = 0 0 0 1 0 1 0 0 0 0 0
–   Matant 5.042053+17
−17
(+80)15 − 17
(+14−16=2)
46.9%
15.0 / 32
0.0%
+54
44.0%
2175
1.21
958
0 0 1 0 1 1 1 0 0 1 0 1 1 1 = 1 1 1 0 0 0 = 0 1 0 0 0 0 1 0 0 1
–   SSEChessII 2.05 DC2049+17
−17
(+76)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−6
46.7%
2458
1.18
1147
0 0 = 1 0 1 0 1 1 1 1 0 = 0 1 0 0 0 1 1 0 0 0 = = 0 = 0 1 0 0 0
–   Faile 1.4.42042+15
−15
(+69)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−71
50.7%
2536
0.81
1287
1 0 = 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 = = 0 0 = = 1 = 0 0
–   Smash 1.0.32036+17
−17
(+63)13 − 19
(+12−18=2)
40.6%
13.0 / 32
0.0%
−15
47.5%
2782
1.09
1322
= 1 1 0 0 0 1 1 0 = 0 0 1 0 1 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 1 0
–   Micro-Max 4.8 PIV DM2028+17
−17
(+55)14 − 18
(+13−17=2)
43.8%
14.0 / 32
0.0%
+3
73.9%
2900
0.77
2144
0 1 1 0 0 1 1 = = 1 0 0 0 0 1 1 1 0 0 0 0 0 0 1 0 1 0 1 1 1 0 0
–   Sharper 0.172022+16
−16
(+49)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
0.0%
+62
44.4%
3082
0.81
1369
1 0 1 1 1 = 0 0 0 = 0 0 0 1 0 1 1 1 1 0 1 1 1 1 0 0 = 0 0 1 1 0
–   Mustang 4.972021+17
−17
(+48)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+35
49.4%
1860
0.79
919
= 0 1 0 = 0 1 1 1 = 1 0 = 1 1 0 = 1 1 0 1 0 0 1 0 0 0 = = 0 1 0
–   Rival UCI 1.182021+17
−17
(+48)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
0.0%
+61
48.9%
2426
1.01
1186
1 1 0 = 0 1 1 1 0 0 0 0 1 1 = 0 = 0 = 0 1 1 0 1 1 1 0 0 = 0 1 1
–   BibiChess 0.52007+16
−16
(+34)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.2%
−21
  
= = 1 1 = 0 = 0 0 0 1 = 1 0 0 = 1 0 0 1 0 = 0 0 1 0 1 1 0 1 0 0
–   IACH 0.56z1995+18
−18
(+22)20 − 12
(+16−8=8)
62.5%
20.0 / 32
3.9%
+112
59.3%
1909
1.14
1132
1 1 0 1 1 0 1 1 0 0 1 0 0 = = = 1 1 1 1 1 = 0 1 1 1 1 = = = 0 =
–   Heracles 0.6.161993+19
−19
(+20)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
5.8%
+33
47.4%
3356
1.25
1591
1 0 1 0 1 = 1 0 0 1 1 0 0 0 = 1 0 1 0 0 = 1 0 1 0 0 1 0 1 1 1 1
–   Clueless 1.41990+18
−18
(+17)13.5 − 18.5
(+12−17=3)
42.2%
13.5 / 32
8.6%
−44
48.4%
2776
1.12
1343
1 0 0 1 1 = 1 0 0 1 0 0 0 1 0 = 0 0 1 0 0 0 1 0 1 1 0 1 0 = 0 1
–   Warrior 1.0.31987+17
−17
(+14)17 − 15
(+14−12=6)
53.1%
17.0 / 32
12.5%
+37
47.6%
2712
0.99
1291
1 0 1 1 1 0 0 0 1 = 0 0 1 1 1 0 = = 1 1 0 1 = 1 0 0 = 1 0 = 0 1
–   Morphy 3.221974+17
−17
(+1)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
48.9%
−124
51.1%
2528
3.36
1291
0 0 = 1 1 0 0 0 = 0 1 = 0 1 0 0 0 1 = 1 1 = = 0 0 0 0 0 0 = 0 0
–   SnailChess 4.0131973+19
−19
(0)14 − 18
(+12−16=4)
43.8%
14.0 / 32
51.2%
−50
74.8%
1761
2.22
1317
1 0 0 1 0 1 0 1 = 0 1 0 0 1 1 1 0 1 = 0 = 0 0 1 0 0 0 1 0 = 1 0
–   Celes 0.77c1921+20
−20
(−52)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
+105
46.0%
2111
1.32
971
1 = 0 0 1 1 0 1 0 1 1 1 0 1 0 1 1 1 = 1 = 1 = 1 = 1 0 1 1 1 1 1
–   Simontacchi 1.811915+20
−20
(−58)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
+3
49.7%
2445
0.91
1216
0 0 = 0 = 0 1 1 1 1 0 1 1 0 1 1 1 1 1 0 0 1 0 1 = 1 1 1 0 0 0 1
–   Ranita 2.41907+20
−20
(−66)16 − 16
(+14−14=4)
50.0%
16.0 / 32
100.0%
−64
52.1%
2265
1.26
1181
0 1 0 1 0 = = 1 1 0 1 0 1 1 0 1 = 0 = 0 1 1 1 1 0 0 0 1 0 0 0 1
–   Cecir 3.51885+19
−19
(−88)17 − 15
(+15−13=4)
53.1%
17.0 / 32
100.0%
−63
48.0%
2494
1.11
1196
= 0 1 1 0 = 0 0 1 0 1 1 0 0 0 1 0 1 = 0 1 0 1 1 0 1 1 = 1 0 1 1
–   Enigma 1.1.41879+21
−21
(−94)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+23
43.2%
1805
1.10
779
1 1 1 1 0 0 1 0 1 1 = 0 = 1 1 1 1 1 1 0 = 1 0 1 1 = 0 = 1 1 0 =
–   Soldat 0.25b1873+17
−17
(−100)19.5 − 12.5
(+18−11=3)
60.9%
19.5 / 32
100.0%
−11
44.6%
2474
1.10
1103
0 = 1 0 1 1 1 1 0 1 0 0 0 1 1 1 1 1 1 1 0 0 = 1 0 0 1 0 1 1 = 1
–   Grizzly 1.40.1b1837+20
−20
(−136)23 − 9
(+23−9=0)
71.9%
23.0 / 32
100.0%
+63
47.0%
2265
0.95
1064
1 1 1 1 1 0 1 1 1 1 1 1 1 0 0 0 1 1 1 0 0 1 1 0 1 1 1 1 0 1 0 1
–   Robin 0.9831834+20
−20
(−139)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+59
44.7%
1811
0.85
810
1 1 1 = 1 1 1 = 1 0 1 1 1 1 1 = = 1 1 1 1 1 0 = = 1 1 1 0 1 = 0
–   Elf 1.3.01820+18
−18
(−153)24.5 − 7.5
(+23−6=3)
76.6%
24.5 / 32
100.0%
+70
47.8%
2409
1.17
1152
0 1 = 1 1 1 = 1 1 1 0 0 1 1 0 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 = 1
–   Laurifer 1.01815+18
−18
(−158)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+127
53.1%
2102
0.69
1117
0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 = = 1 1 = 1
–   Kanguruh 1.931806+22
−22
(−167)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−18
47.7%
1939
1.38
924
1 = 1 1 1 1 = 1 0 1 0 0 1 1 = 1 1 1 0 = 1 1 1 1 1 = = 0 1 1 0 =
–   Aldebaran 0.7.01794+19
−19
(−179)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
−3
47.6%
1960
0.99
932
1 = 1 1 1 1 1 = 1 1 0 1 1 = = 0 1 1 1 1 1 = 0 1 = 1 0 0 1 = 1 1
–   Adamant 1.71790+19
−19
(−183)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
−62
46.9%
2345
1.12
1099
1 1 = 1 = 1 1 1 1 0 0 0 1 0 1 0 1 1 = 1 1 0 1 0 = 1 0 1 1 0 1 1
–   SEE 0.6.91781+21
−21
(−192)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−41
46.5%
2297
0.98
1067
= 1 1 1 0 0 0 1 1 = = 1 1 1 = 0 1 1 1 1 1 1 1 = 1 0 = 0 1 1 1 =
–   Mizar 3.01767+20
−20
(−206)22.5 − 9.5
(+21−8=3)
70.3%
22.5 / 32
100.0%
−39
45.2%
2170
1.52
980
1 0 1 = 1 1 1 1 = 1 1 1 0 1 1 0 0 1 1 0 1 1 1 0 1 1 = 1 0 0 1 1
–   Belzebub 0.671744+22
−22
(−229)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−80
44.7%
2020
1.66
902
1 1 1 1 = 0 0 1 1 1 1 1 0 = 1 1 = 1 0 = = = 1 = 1 1 1 0 1 1 0 1
–   ALChess 1.5b1729+22
−22
(−244)21.5 − 10.5
(+21−10=1)
67.2%
21.5 / 32
100.0%
−95
45.6%
1933
0.89
882
1 1 0 1 1 0 1 0 1 0 1 1 0 0 1 1 1 1 1 = 1 0 1 1 1 0 1 0 1 0 1 1

Performance

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

Perf = C + 0.072 [±0.181] * 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