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
Celes 0.77c UCI#161  (1921+20
−20		)Quote
Author: Johan Hutting (Netherlands) Released: 2003-07-01
Issues with this engine: Occasional losses on time.
This is the only Celes version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Marvin 1.3.02054+16
−16		(+133)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−41
55.9%
2274
0.70
1271
0 = 0 0 1 0 0 0 0 0 0 0 = 1 1 1 0 = 0 0 = = 0 0 0 0 = 1 = 0 0 0
–   Matant 5.042053+17
−17		(+132)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−2
51.3%
1602
1.14
822
0 0 0 0 1 0 = 0 0 = = 0 1 1 0 1 0 1 0 0 0 0 = 0 0 = = 0 0 = 1 =
–   SSEChessII 2.05 DC2049+17
−17		(+128)15.5 − 16.5
(+15−16=1)
48.4%
15.5 / 32
0.0%
+115
49.3%
2699
1.23
1331
0 1 1 0 1 1 1 1 0 1 0 1 0 0 1 0 1 1 0 = 1 0 1 0 0 0 1 0 0 1 0 0
–   Faile 1.4.42042+15
−15		(+121)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
−10
52.1%
2417
0.98
1260
1 0 0 0 0 1 1 0 0 0 0 0 = 1 = 0 0 0 0 = 0 1 = 1 0 = 1 1 0 0 0 0
–   Smash 1.0.32036+17
−17		(+115)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+5
49.8%
2309
0.84
1151
0 0 = 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 = 1 = 1 1 0 1 1 = 0 0 = 1 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(+107)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−27
74.2%
2021
1.37
1500
0 1 0 0 1 1 = = = 1 0 = 0 0 0 = 0 0 0 0 0 = 0 0 0 0 0 1 = 1 = 0
–   Sharper 0.172022+16
−16		(+101)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+54
48.7%
1981
1.30
965
0 1 1 = = 0 1 0 1 0 1 0 0 1 1 0 = 1 1 0 0 0 0 = 1 0 = = 0 0 1 0
–   Mustang 4.972021+17
−17		(+100)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
0.0%
+90
49.7%
1588
0.97
790
1 1 = = 1 1 0 1 0 0 0 0 = = = 1 0 0 1 1 1 = 0 = 0 = = = = 1 0 0
–   Rival UCI 1.182021+17
−17		(+100)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+25
52.8%
2161
1.40
1140
1 1 = 1 = = 0 = 0 0 1 0 0 = 0 0 0 = 0 0 0 = 0 0 0 1 1 1 1 = = 0
–   BibiChess 0.52007+16
−16		(+86)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−62
  
0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 = = 0 = 1 0 1 1 = 1
–   IACH 0.56z1995+18
−18		(+74)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+37
60.1%
2537
1.42
1526
= 1 1 0 1 1 0 1 = 1 1 1 1 0 0 = = 0 0 0 0 0 1 0 0 0 0 = 0 1 0 1
–   Heracles 0.6.161993+19
−19		(+72)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
0.0%
+155
53.1%
2344
0.96
1244
1 1 1 0 1 = 1 0 1 = 1 = = 0 1 1 1 0 0 1 0 = 0 1 1 1 1 0 0 1 1 0
–   Clueless 1.41990+18
−18		(+69)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−125
52.1%
2162
1.43
1127
= 0 0 1 0 0 1 0 0 0 1 0 1 0 = 0 0 0 1 1 0 0 = 0 0 0 0 1 0 0 0 0
–   Warrior 1.0.31987+17
−17		(+66)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+29
50.8%
2395
1.23
1217
0 0 1 = 0 0 0 1 1 1 1 0 0 1 = 1 1 1 = 0 0 0 1 1 0 = 1 0 = 0 0 0
–   Morphy 3.221974+17
−17		(+53)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+7
51.8%
2042
4.13
1058
0 0 0 1 1 = 1 1 0 0 = 0 1 = 0 0 0 0 = 1 = 1 = 1 1 0 = 0 0 1 0 =
–   Eagle 0.7.51973+20
−20		(+52)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−105
46.0%
2111
1.32
971
0 = 1 1 0 0 1 0 1 0 0 0 1 0 1 0 0 0 = 0 = 0 = 0 = 0 1 0 0 0 0 0
–   SnailChess 4.0131973+19
−19		(+52)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−56
74.4%
1778
2.20
1322
1 0 0 = 0 1 0 1 0 0 1 1 1 0 0 1 1 0 = 0 = 0 0 0 0 0 = 0 1 0 0 =
–   Simontacchi 1.811915+20
−20		(−6)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
69.0%
+8
50.4%
2224
1.14
1122
0 1 1 = 1 1 0 = 0 1 1 1 1 0 1 1 0 1 1 1 0 0 0 0 1 = 0 1 0 0 0 0
–   Ranita 2.41907+20
−20		(−14)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
86.0%
−24
61.6%
1865
1.29
1149
= 1 1 0 = 0 1 1 0 1 = 0 = 1 1 = 0 1 1 0 0 0 0 = 0 = 0 1 = = 0 1
–   Cecir 3.51885+19
−19		(−36)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
99.8%
−6
46.5%
1793
1.43
833
= 1 = 0 0 1 0 1 = = = 1 = 1 = 0 1 = 0 0 0 0 1 1 1 1 0 0 1 1 = 1
–   Enigma 1.1.41879+21
−21		(−42)17 − 15
(+14−12=6)
53.1%
17.0 / 32
99.9%
−18
46.7%
2552
1.46
1192
= = = 1 1 1 1 0 1 1 1 0 0 1 0 = 0 1 0 0 0 0 0 1 1 0 1 1 = = 1 0
–   Soldat 0.25b1873+17
−17		(−48)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
100.0%
−37
48.5%
1904
1.20
924
0 0 = = 1 = 1 0 1 0 1 0 = 1 1 1 1 1 1 1 = 1 0 0 0 = = = = 0 0 0
–   Grizzly 1.40.1b1837+20
−20		(−84)22.5 − 9.5
(+21−8=3)
70.3%
22.5 / 32
100.0%
+83
46.2%
1887
1.19
872
1 1 1 0 0 1 0 1 = 1 0 1 1 1 = 1 1 0 1 1 1 0 1 1 0 1 1 1 1 1 0 =
–   Robin 0.9831834+20
−20		(−87)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+95
50.0%
2032
1.71
1015
1 1 1 1 1 = = 1 1 1 0 1 1 1 1 1 = 1 1 0 1 1 1 1 = 0 1 0 = 0 0 1
–   Elf 1.3.01820+18
−18		(−101)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−79
55.5%
1800
0.95
999
= 0 1 1 1 1 0 1 1 = 0 0 0 = = 1 0 0 0 1 0 = = 1 = 1 1 0 1 1 = 0
–   Laurifer 1.01815+18
−18		(−106)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
−21
54.2%
1926
1.26
1043
1 0 1 0 = 1 = 1 1 1 0 = 0 1 0 = 1 0 0 1 1 0 1 = 1 1 1 1 0 0 1 1
–   Kanguruh 1.931806+22
−22		(−115)20 − 12
(+18−10=4)
62.5%
20.0 / 32
100.0%
−18
49.1%
2211
1.11
1085
0 0 1 1 1 1 1 1 1 1 0 1 = = 0 1 0 0 1 = 1 1 1 1 0 1 0 = 1 1 0 0
–   Aldebaran 0.7.01794+19
−19		(−127)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−2
51.7%
1415
1.47
731
1 1 = 0 = 0 1 1 1 1 = 1 0 = = 1 1 1 0 = 1 1 = = = 1 1 1 = 1 0 1
–   Adamant 1.71790+19
−19		(−131)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+18
55.5%
1996
1.07
1107
= = 0 1 = 1 1 1 1 1 1 1 = 1 1 1 0 0 1 = 1 = 1 0 1 1 1 = 0 0 1 1
–   SEE 0.6.91781+21
−21		(−140)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
+16
46.8%
2452
1.64
1148
1 = = 0 1 0 = 1 0 1 0 1 1 1 0 1 1 1 = 1 1 1 = 0 1 1 1 0 1 1 1 1
–   Mizar 3.01767+20
−20		(−154)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
−22
45.2%
2223
1.51
1005
1 1 1 1 0 1 = 0 0 1 1 1 1 0 1 = 1 0 1 1 1 0 = 0 1 1 = = 1 1 1 0
–   Belzebub 0.671744+22
−22		(−177)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−5
46.4%
1882
2.08
873
1 1 1 = = 1 = 1 = 1 = 0 1 = 1 1 1 1 1 = 1 = = 1 1 0 1 0 1 1 1 =
–   ALChess 1.5b1729+22
−22		(−192)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−81
48.9%
1703
1.39
832
= 1 0 1 1 1 1 0 0 1 1 1 0 1 1 0 0 1 1 1 0 0 = 1 1 = 1 1 0 = 1 =
–   IQ23 0031716+23
−23		(−205)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−35
46.5%
1160
1.02
539
0 = 1 = 1 1 = 1 1 = = 1 1 1 1 1 1 = 0 1 = 1 1 = 1 1 1 1 0 = 1 =
–   Rainman 0.7.51687+24
−24		(−234)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+66
49.0%
1802
1.39
883
= 1 1 1 1 1 1 1 = 0 = 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1
–   Storm 0.61673+25
−25		(−248)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
+50
52.6%
1604
0.97
843
1 1 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 0 1 1 1 1 0 1 = 1 1 1 1 1 1 1
–   Zotron 4.4.61669+24
−24		(−252)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
−60
40.2%
1688
2.21
679
1 0 1 0 1 1 1 1 1 = 1 0 1 0 1 1 1 1 1 = 1 1 0 1 = 1 1 = 1 = 1 =
1184 games in total: 517 wins, 438 losses, 229 draws (19.3%), score: 53.3%
Average opponent: −25.4 (1895.6), average distance to opponent: 109.7

Performance

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

Perf = C + 0.048 [±0.161] * 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