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
Cecir 3.5 WB#164  (1885+19
−19		)Quote
Author: Guillermo Carvalho (Uruguay) Released: 2004-06-11Link: Homepage
This engine is stable and runs without issues.
This is the only Cecir version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   JanWillem 1.132062+16
−16		(+177)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
−13
49.8%
2246
0.91
1119
0 = 0 1 0 0 1 0 0 0 0 1 = 0 = 0 0 1 = = 0 0 0 0 0 0 1 0 = 0 0 0
–   Marvin 1.3.02054+16
−16		(+169)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
+37
49.4%
2129
0.83
1052
1 0 0 0 0 0 1 0 0 = = 0 1 0 0 0 1 0 0 = 0 = 1 0 1 0 = = = = 0 0
–   Matant 5.042053+17
−17		(+168)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
+19
49.2%
1771
1.03
871
0 0 0 = 0 0 0 0 0 0 0 0 1 0 0 = 1 0 0 0 0 1 1 = 0 0 1 1 = 0 1 1
–   SSEChessII 2.05 DC2049+17
−17		(+164)8.5 − 23.5
(+6−21=5)
26.6%
8.5 / 32
0.0%
−18
51.2%
2429
1.14
1243
1 1 = = 0 0 = 0 0 1 0 0 0 1 0 0 0 0 0 0 = 0 1 0 0 0 0 1 0 = 0 0
–   Faile 1.4.42042+15
−15		(+157)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−7
53.1%
2200
0.64
1168
0 1 0 0 0 = 1 1 = 0 0 0 0 = 0 0 = 0 0 0 0 0 0 = 0 0 0 1 = = = =
–   Smash 1.0.32036+17
−17		(+151)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
+33
48.7%
2012
1.04
980
= 1 0 = = 0 0 1 0 0 = 0 1 1 1 0 = 0 0 0 0 = = 0 = 0 0 0 0 1 = 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(+143)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−29
74.9%
2168
1.00
1624
0 1 0 0 0 0 = 0 0 1 0 = 0 0 0 0 0 = 0 0 = 0 0 = 1 1 0 = 0 = 1 0
–   Sharper 0.172022+16
−16		(+137)9 − 23
(+7−21=4)
28.1%
9.0 / 32
0.0%
−37
50.2%
2648
0.84
1329
0 0 1 0 = 0 0 = 0 0 1 1 0 0 0 1 0 1 0 = 0 0 0 0 0 0 0 1 = 1 0 0
–   Mustang 4.972021+17
−17		(+136)8 − 24
(+6−22=4)
25.0%
8.0 / 32
0.0%
−66
50.2%
1984
0.87
996
0 = 1 0 0 0 0 1 1 0 0 0 0 0 = 0 0 0 = 0 1 0 0 0 1 0 1 0 = 0 0 0
–   Rival UCI 1.182021+17
−17		(+136)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
+19
50.5%
2180
0.95
1101
1 1 0 = 0 0 0 = 0 0 = 0 1 = 1 0 1 1 0 0 1 0 0 0 0 0 = 0 1 0 = 0
–   BibiChess 0.52007+16
−16		(+122)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+14
  
= 1 0 1 0 = 0 0 0 0 = 0 0 1 0 0 0 1 1 0 1 1 0 = 0 0 0 0 1 1 = 0
–   IACH 0.56z1995+18
−18		(+110)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+36
60.8%
1917
1.11
1165
1 0 1 1 0 0 0 0 = = 0 = 0 0 1 0 1 = 0 0 1 = 0 = = 1 0 1 0 = = 0
–   Heracles 0.6.161993+19
−19		(+108)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+142
49.1%
2340
1.05
1150
0 = 1 1 = 0 1 0 = 1 0 1 1 0 1 1 0 1 1 0 0 1 0 0 1 = = 1 1 = = 0
–   Clueless 1.41990+18
−18		(+105)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
0.0%
+117
50.8%
2474
1.25
1258
1 0 1 0 1 0 0 0 1 0 = 1 1 = 1 0 1 1 1 1 0 1 0 0 1 0 0 0 1 = = =
–   Warrior 1.0.31987+17
−17		(+102)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+45
52.0%
2673
0.75
1390
0 0 0 = 0 0 1 = 0 0 0 0 1 0 1 1 0 1 0 0 1 1 0 1 0 0 1 = 1 = 1 =
–   Morphy 3.221974+17
−17		(+89)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+101
53.9%
2393
3.78
1291
0 0 0 1 1 1 = 0 1 1 1 0 = 1 0 0 = 0 = 1 0 = 1 1 1 1 0 0 0 1 = =
–   Eagle 0.7.51973+20
−20		(+88)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.0%
+63
48.0%
2494
1.11
1196
= 1 0 0 1 = 1 1 0 1 0 0 1 1 1 0 1 0 = 1 0 1 0 0 1 0 0 = 0 1 0 0
–   SnailChess 4.0131973+19
−19		(+88)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
+24
76.9%
1558
2.05
1198
0 = = = 0 0 0 = 1 1 0 1 1 1 0 = = 1 = 1 0 = = 0 0 0 0 0 1 0 = 0
–   Celes 0.77c1921+20
−20		(+36)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.2%
+6
46.5%
1793
1.43
833
= 0 = 1 1 0 1 0 = = = 0 = 0 = 1 0 = 1 1 1 1 0 0 0 0 1 1 0 0 = 0
–   Simontacchi 1.811915+20
−20		(+30)13 − 19
(+11−17=4)
40.6%
13.0 / 32
1.0%
−43
50.5%
2212
0.78
1116
0 1 0 0 0 1 = 0 1 0 0 0 = 0 1 0 0 = 0 = 0 0 1 1 1 1 0 1 1 0 1 0
–   Ranita 2.41907+20
−20		(+22)16 − 16
(+15−15=2)
50.0%
16.0 / 32
4.4%
+23
56.8%
2471
0.83
1403
1 1 0 1 1 0 0 0 0 0 1 0 1 0 1 0 = 1 = 0 0 1 1 1 0 1 0 1 0 1 0 1
–   Enigma 1.1.41879+21
−21		(−6)11 − 21
(+7−17=8)
34.4%
11.0 / 32
66.5%
−116
45.2%
1532
1.36
693
0 0 = = 0 0 0 1 0 1 0 0 0 = 1 1 = = 0 = 0 0 0 1 = 0 0 0 0 1 = 1
–   Soldat 0.25b1873+17
−17		(−12)13 − 19
(+9−15=8)
40.6%
13.0 / 32
84.9%
−76
49.8%
2241
0.80
1116
0 1 = 1 0 = 0 1 = = 0 0 = 0 0 0 0 = 0 0 0 0 = 1 0 1 = 1 0 1 1 1
–   Grizzly 1.40.1b1837+20
−20		(−48)20 − 12
(+20−12=0)
62.5%
20.0 / 32
100.0%
+64
48.4%
2207
0.73
1069
0 1 1 0 0 1 0 1 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 0 0 0 1 0 1 0 1
–   Robin 0.9831834+20
−20		(−51)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+68
51.8%
2210
0.72
1145
1 0 = = 1 1 1 1 1 1 1 = = = 1 1 1 1 1 1 1 0 0 = = 0 = 0 1 = 1 0
–   Elf 1.3.01820+18
−18		(−65)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+107
51.4%
2108
0.81
1083
1 0 1 = 1 1 = 1 1 0 1 1 1 0 1 0 1 0 1 = 1 1 1 = = = 1 1 = 1 1 1
–   Laurifer 1.01815+18
−18		(−70)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+35
52.5%
1881
0.91
987
= 0 = 1 0 0 1 1 1 0 = 1 1 0 = 0 1 1 1 1 1 0 1 1 1 0 1 = 0 1 1 1
–   Kanguruh 1.931806+22
−22		(−79)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−55
48.4%
2091
1.10
1011
1 1 1 0 1 1 1 0 = 0 1 1 0 1 1 0 0 = 0 1 1 0 = = 0 1 0 1 0 = = 0
–   Aldebaran 0.7.01794+19
−19		(−91)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−59
52.4%
1766
0.82
925
= 0 0 1 = = 0 = = 1 1 1 0 = 0 1 1 = 1 0 = = 0 1 1 0 1 1 1 = = 0
–   Adamant 1.71790+19
−19		(−95)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+18
51.8%
2265
0.94
1173
1 0 1 1 0 = 0 = 0 0 1 = 1 1 1 1 1 0 1 1 1 1 = = 1 = 0 1 = 1 1 =
–   SEE 0.6.91781+21
−21		(−104)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−81
46.6%
2340
1.05
1091
1 0 1 1 = 0 = 0 1 1 = 0 1 1 0 0 0 = 0 = 1 1 0 1 = 1 0 0 1 = 1 =
–   Mizar 3.01767+20
−20		(−118)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
−7
45.4%
2168
1.26
984
0 1 0 1 1 1 0 1 0 = = 1 = 0 0 1 1 1 = 0 = 1 1 1 1 = 1 = 1 1 1 =
–   Belzebub 0.671744+22
−22		(−141)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+24
49.2%
2097
1.52
1032
= 1 0 = 1 0 1 1 0 1 1 1 = 1 1 1 1 0 1 1 1 0 1 1 0 = = 1 1 = 1 1
–   ALChess 1.5b1729+22
−22		(−156)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
−6
47.6%
2086
0.93
993
1 1 0 1 0 0 = 0 0 1 1 = 1 1 1 1 1 = 1 0 1 0 1 1 1 1 1 1 1 = 1 0
–   IQ23 0031716+23
−23		(−169)19.5 − 12.5
(+12−5=15)
60.9%
19.5 / 32
100.0%
−103
45.3%
981
0.69
444
= 1 = = 1 = 1 0 0 1 0 1 0 = = = 1 = = 1 = 1 0 = 1 1 = = = = 1 1
–   Rainman 0.7.51687+24
−24		(−198)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
−98
52.2%
1945
0.94
1016
0 0 1 1 = 1 1 1 1 1 = 0 1 1 = 1 = = 0 0 1 1 1 0 = 1 = 1 = 1 0 =
–   Storm 0.61673+25
−25		(−212)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
−99
48.7%
1469
1.06
716
1 1 1 = 0 1 0 = 0 1 = 1 1 0 1 1 1 1 0 1 0 1 = = 1 1 = 1 = 1 0 =
–   Zotron 4.4.61669+24
−24		(−216)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
−33
41.2%
1930
1.00
796
1 = 1 = 1 1 1 = 1 1 = 1 0 1 1 0 0 1 1 = 1 1 1 = 1 1 1 0 = 1 1 =
–   Needle 0.53.11648+25
−25		(−237)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−38
48.8%
1966
1.03
960
1 1 = 1 1 1 0 1 = = 1 = 1 1 1 1 0 1 1 1 1 1 1 0 = 1 0 1 = = 1 1
1248 games in total: 477 wins, 507 losses, 264 draws (21.2%), score: 48.8%
Average opponent: +9.5 (1894.5), average distance to opponent: 115.5

Performance

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

Perf = C + 0.188 [±0.144] * 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