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
Smash 1.0.3 UCI#148  (2036+17
−17		)Quote
Author: Maurizio Sambati (Italy) Released: 2006-10-04Link: Homepage
This engine is stable and runs without issues.
This is the only Smash version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Ghost 0.142189+17
−17		(+153)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
+71
52.5%
2286
1.12
1201
0 1 0 = 1 0 1 = 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 1 1 = 0 0 0 = = 0
–   Wing 2.0a2179+16
−16		(+143)6 − 26
(+2−22=8)
18.8%
6.0 / 32
0.0%
−88
54.9%
1813
0.87
996
0 0 0 = = 0 0 0 0 0 0 0 = 0 = 0 = 0 0 0 0 0 1 = 0 0 0 0 = = 1 0
–   Uragano 3D 0.872174+16
−16		(+138)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−122
50.0%
2388
0.82
1194
0 1 0 0 0 = 0 0 0 0 0 0 0 0 1 0 0 0 1 = 0 0 0 0 0 = = 1 0 0 0 0
–   Matheus 2.32144+15
−15		(+108)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−65
54.5%
2751
0.69
1498
1 = 0 1 0 0 = 0 = 1 0 0 = 1 0 = 0 0 0 = 0 0 1 = 0 0 0 0 0 0 0 0
–   Bodo 0.2b2137+15
−15		(+101)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−10
51.6%
1835
0.57
947
= 0 = 0 1 1 1 1 0 0 1 = 1 0 0 = 1 0 0 0 0 0 = 0 = 0 = 0 0 0 0 =
–   Monarch 1.72131+16
−16		(+95)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−46
45.4%
2942
1.10
1335
= 0 0 0 = 0 1 0 0 1 0 0 0 = 0 0 0 0 0 1 1 0 0 = 0 0 = 0 1 1 1 =
–   Bestia 0.902122+15
−15		(+86)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−79
57.4%
1989
0.88
1142
1 0 0 0 = = = = 0 0 0 0 1 = 0 = 0 0 0 0 0 0 0 0 = 1 = 1 0 = 0 0
–   Ax 0.82119+15
−15		(+83)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+34
  
= 1 1 1 1 0 1 0 0 0 = 0 0 0 = = 1 0 0 1 = 0 0 1 = 0 1 0 1 1 0 0
–   Gerbil 02 64-bit JA2118+18
−18		(+82)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−9
52.3%
2860
0.86
1495
1 1 0 1 0 = 0 1 0 0 = 0 = 0 0 0 0 0 0 = 1 1 = 0 0 1 = 0 1 0 0 1
–   BigLion 2.23x2117+17
−17		(+81)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+45
53.1%
2331
0.68
1237
= = 1 0 0 1 0 0 1 0 0 0 1 0 1 0 1 0 0 1 = 1 = = 1 0 1 0 0 0 1 1
–   RDChess 3.232117+16
−16		(+81)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−41
54.0%
2825
1.14
1526
1 0 1 1 0 1 0 0 0 0 0 = 0 0 0 = 0 0 0 = 1 0 1 0 1 0 0 0 = 0 1 1
–   DelphiMax 2.92102+16
−16		(+66)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
−47
53.7%
3380
0.82
1815
0 0 0 = 0 0 1 0 = 0 0 0 0 0 0 1 1 1 0 0 1 0 1 0 1 = 1 0 0 0 1 1
–   Armageddon 2.3082098+17
−17		(+62)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
−9
52.1%
2672
0.87
1391
= = 1 1 0 1 0 = 1 0 1 0 0 0 0 0 1 0 0 0 1 1 0 = = 0 0 = 1 0 1 0
–   Requiem 0.532084+15
−15		(+48)13.5 − 18.5
(+7−12=13)
42.2%
13.5 / 32
0.0%
0
53.2%
1381
0.42
735
1 = = = 1 0 0 0 0 = 1 0 0 1 = 1 = 1 = = = 0 0 = 0 0 0 0 = 1 = =
–   Small Potato 0.6.12082+16
−16		(+46)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−111
55.9%
2367
0.70
1322
0 0 1 0 1 1 = 0 0 1 0 = 0 0 0 = 0 = 0 0 0 0 1 = 1 0 0 1 0 0 0 0
–   Elephant 1.062075+16
−16		(+39)17 − 15
(+16−14=2)
53.1%
17.0 / 32
0.0%
+65
52.5%
2762
0.75
1449
1 = 0 1 1 1 1 1 0 0 0 0 0 1 1 0 1 1 1 1 1 1 0 1 0 0 0 0 = 1 0 0
–   La Dame Blanche 2.0c2070+19
−19		(+34)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.3%
+23
54.7%
1775
1.09
971
0 1 = 1 0 1 = 1 1 = 0 0 1 1 0 1 0 1 0 0 1 0 = 0 0 1 = = 0 = 0 1
–   Cilian 4.142069+16
−16		(+33)14 − 18
(+7−11=14)
43.8%
14.0 / 32
0.1%
−6
  
= = 0 1 1 = = 0 1 0 = = = 0 = 0 0 0 0 = 1 0 0 = 1 1 = = = 0 = 1
–   Etude 0.1.22063+19
−19		(+27)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
1.1%
+37
55.0%
2628
0.67
1445
= 0 0 0 1 1 0 1 0 0 0 1 1 = 1 = 0 0 1 = 1 1 0 = 1 1 = 0 = 1 0 1
–   Gullydeckel 2.16pl12062+19
−19		(+26)13 − 19
(+12−18=2)
40.6%
13.0 / 32
1.7%
−52
52.2%
3366
0.74
1756
0 1 1 0 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 0 0 1 0 = 0 0 0 1 0 = 1 0
–   JanWillem 1.132062+16
−16		(+26)14 − 18
(+9−13=10)
43.8%
14.0 / 32
0.9%
−15
50.4%
2157
0.78
1088
0 0 0 1 1 0 1 0 = 0 1 = = 0 = = = = = 1 1 0 0 0 1 0 = 1 0 0 1 =
–   Marvin 1.3.02054+16
−16		(+18)16 − 16
(+12−12=8)
50.0%
16.0 / 32
5.0%
+18
56.6%
2656
0.43
1503
0 0 1 = 0 0 1 0 0 0 1 = 1 1 1 0 0 = = 0 = 1 = 1 1 1 = 0 1 0 1 =
–   Matant 5.042053+17
−17		(+17)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
6.9%
+101
53.7%
1987
0.78
1068
1 1 0 = 1 0 = 1 0 0 1 1 = 0 1 1 1 1 1 0 0 1 1 1 0 = 1 1 1 0 = 0
–   SSEChessII 2.05 DC2049+17
−17		(+13)13 − 19
(+9−15=8)
40.6%
13.0 / 32
12.6%
−53
54.2%
2235
1.01
1212
= = 0 1 0 1 1 1 0 0 1 0 0 1 = 1 0 = 0 1 0 1 0 = 0 = 0 = = 0 0 0
–   Faile 1.4.42042+15
−15		(+6)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
29.0%
−51
57.7%
2440
0.62
1408
0 0 0 1 = 1 0 1 = 0 0 1 1 = 0 0 = 0 1 0 1 1 0 0 = 1 0 1 0 1 0 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(−8)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
77.5%
−40
74.7%
2499
1.08
1866
0 = 1 0 0 = 0 = 1 0 = 1 0 1 1 = 0 = 0 1 1 1 = 0 0 0 0 1 1 0 1 0
–   Sharper 0.172022+16
−16		(−14)15 − 17
(+13−15=4)
46.9%
15.0 / 32
91.1%
−38
49.8%
2935
0.80
1461
1 1 1 = 0 0 1 0 = 0 0 0 1 0 0 1 0 0 1 = 1 1 1 0 = 0 0 0 0 1 1 1
–   Mustang 4.972021+17
−17		(−15)17 − 15
(+13−11=8)
53.1%
17.0 / 32
91.9%
+5
52.2%
1973
0.78
1030
1 0 = 1 1 1 1 0 0 = 1 0 0 = 0 1 1 0 = 1 0 1 0 1 1 = 0 = = 1 0 =
–   Rival UCI 1.182021+17
−17		(−15)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
91.6%
+42
56.2%
2134
0.70
1200
= 0 = 1 1 0 1 0 1 1 = 0 0 = 1 = 0 0 1 0 = 1 1 = 0 1 1 1 1 1 0 1
–   BibiChess 0.52007+16
−16		(−29)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
99.7%
−16
  
1 0 = 0 0 1 1 = 0 0 = 1 1 0 1 = = = 0 1 1 0 0 = 1 1 1 1 0 = 0 =
–   IACH 0.56z1995+18
−18		(−41)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
100.0%
−124
63.7%
2719
1.00
1733
0 1 = 1 0 0 1 0 1 = 0 0 0 1 0 1 1 0 0 0 0 0 0 1 1 1 = = 0 = 0 0
–   Heracles 0.6.161993+19
−19		(−43)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−19
52.8%
2657
0.68
1404
0 0 0 = 1 1 = 0 0 0 1 1 1 1 0 1 1 1 0 = = 1 1 1 0 0 = 0 1 = 1 0
–   Clueless 1.41990+18
−18		(−46)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+78
51.0%
2257
1.16
1151
1 0 1 1 1 0 1 1 1 0 1 1 1 0 = 1 0 0 1 1 1 1 1 0 0 1 = 1 1 = 0 =
–   Warrior 1.0.31987+17
−17		(−49)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−17
54.5%
2312
0.69
1261
0 1 1 1 1 1 0 1 = 0 = 0 1 0 1 = 1 1 = 0 = 0 1 0 = 1 0 0 1 0 = 1
–   Morphy 3.221974+17
−17		(−62)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+113
54.3%
2331
3.76
1265
0 1 1 0 1 = 1 1 0 = = 0 1 1 0 1 1 1 1 1 1 1 = 0 1 1 0 1 1 1 1 1
–   Eagle 0.7.51973+20
−20		(−63)19 − 13
(+18−12=2)
59.4%
19.0 / 32
100.0%
+15
47.5%
2782
1.09
1322
= 0 0 1 1 1 0 0 1 = 1 1 0 1 0 1 1 1 1 0 1 1 0 1 1 1 0 0 1 0 0 1
–   SnailChess 4.0131973+19
−19		(−63)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
−18
77.0%
1907
2.26
1468
1 1 1 = 1 1 0 0 0 1 1 0 1 1 1 0 0 1 0 0 = 1 0 1 = 0 1 = 0 1 = =
–   Celes 0.77c1921+20
−20		(−115)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−5
49.8%
2309
0.84
1151
1 1 = 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 = 0 = 0 0 1 0 0 = 1 1 = 0 0
–   Simontacchi 1.811915+20
−20		(−121)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+114
49.7%
2095
0.99
1041
1 1 0 = 1 1 1 1 1 = 1 = = 1 1 1 1 1 1 1 1 1 0 1 1 1 0 1 0 = 1 1
–   Ranita 2.41907+20
−20		(−129)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+108
56.6%
2696
1.02
1527
1 = 1 1 1 1 1 1 1 1 0 1 = 1 0 1 1 1 = = 0 1 1 1 1 1 1 1 = 1 1 0
–   Cecir 3.51885+19
−19		(−151)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
−33
48.7%
2012
1.04
980
= 0 1 = = 1 1 0 1 1 = 1 0 0 0 1 = 1 1 1 1 = = 1 = 1 1 1 1 0 = 1
–   Soldat 0.25b1873+17
−17		(−163)28 − 4
(+26−2=4)
87.5%
28.0 / 32
100.0%
+164
51.6%
2179
0.70
1125
1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 0 1 = 1 1 1 1 1 1 = 1 1 1 1 0
–   Grizzly 1.40.1b1837+20
−20		(−199)27.5 − 4.5
(+27−4=1)
85.9%
27.5 / 32
100.0%
+149
53.0%
2215
0.66
1173
1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 = 1 1 1 1 1 1 1 1 0 0 1
–   Robin 0.9831834+20
−20		(−202)23.5 − 8.5
(+23−8=1)
73.4%
23.5 / 32
100.0%
+6
53.1%
2316
0.78
1230
1 1 0 1 1 1 0 1 1 0 1 1 1 1 1 1 1 0 0 = 1 1 0 0 1 1 0 1 1 1 1 1
–   Elf 1.3.01820+18
−18		(−216)25.5 − 6.5
(+24−5=3)
79.7%
25.5 / 32
100.0%
+37
53.4%
2515
0.60
1344
1 1 1 0 0 1 1 0 1 1 1 0 1 = 1 1 1 1 = 1 1 0 1 = 1 1 1 1 1 1 1 1
–   Laurifer 1.01815+18
−18		(−221)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+54
53.6%
1902
0.87
1020
1 1 = = 1 = 1 1 1 1 1 = 1 1 0 1 1 1 1 1 0 1 1 1 1 = 1 = 1 1 1 1
–   Aldebaran 0.7.01794+19
−19		(−242)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
−70
51.1%
1347
0.96
688
= 1 1 1 = 1 = = 1 1 1 1 1 1 = = 1 1 = 1 1 = 1 = = = 1 1 = 0 = 1
–   Adamant 1.71790+19
−19		(−246)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
+5
56.6%
1983
0.72
1122
1 1 = 1 1 = 1 = 1 = = 1 0 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 0
–   Mizar 3.01767+20
−20		(−269)28 − 4
(+27−3=2)
87.5%
28.0 / 32
100.0%
+86
49.0%
2583
1.04
1266
= 1 1 1 0 1 0 1 1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1
1568 games in total: 680 wins, 595 losses, 293 draws (18.7%), score: 52.7%
Average opponent: −22.7 (2013.3), average distance to opponent: 88.4

Performance

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

Perf = C − 0.243 [±0.156] * 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