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
Clueless 1.4 UCI#156  (1990+18
−18		)Quote
Author: Helmut Fett (Germany) Released: 2007-03-21Link: WBEC
This engine is stable and runs without issues.
This is the only Clueless version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Bestia 0.902122+15
−15		(+132)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
+8
50.6%
2449
1.05
1239
0 = 1 1 = 0 0 1 0 1 0 = 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 = 1 0
–   Ax 0.82119+15
−15		(+129)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
+30
  
0 0 1 0 1 0 1 0 0 0 0 1 = 1 1 0 = 0 1 1 0 0 1 0 0 = 0 = 0 1 0 0
–   BigLion 2.23x2117+17
−17		(+127)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−30
49.6%
2550
0.84
1265
0 = = 0 = 0 1 1 0 0 0 0 1 0 0 0 0 0 = 0 1 0 = 0 1 0 1 0 0 0 1 0
–   RDChess 3.232117+16
−16		(+127)8.5 − 23.5
(+6−21=5)
26.6%
8.5 / 32
0.0%
−57
50.0%
2336
1.19
1167
= 0 = 0 0 0 0 1 0 = 0 0 0 0 0 0 1 0 = 1 0 = 1 0 0 0 1 0 0 0 0 1
–   DelphiMax 2.92102+16
−16		(+112)11 − 21
(+10−20=2)
34.4%
11.0 / 32
0.0%
−19
52.5%
3356
0.99
1763
0 0 1 0 0 0 0 0 0 = 1 0 0 0 0 0 1 1 1 0 0 0 0 1 0 1 = 1 0 1 1 0
–   Armageddon 2.3082098+17
−17		(+108)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
+23
55.0%
2360
1.10
1299
0 0 0 1 0 1 0 0 1 = = 0 0 0 0 0 = 1 1 = 0 0 1 = 1 1 1 0 1 0 0 0
–   Requiem 0.532084+15
−15		(+94)10 − 22
(+4−16=12)
31.3%
10.0 / 32
0.0%
−28
53.5%
1180
0.98
631
= 0 = 1 = 0 = 0 = 0 1 = 0 0 = 0 0 = 1 = 0 = 0 0 = 1 0 0 0 0 = 0
–   Small Potato 0.6.12082+16
−16		(+92)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
0.0%
+54
52.2%
2416
1.12
1261
0 0 1 0 1 0 = 0 1 0 1 0 1 0 1 0 0 1 1 0 0 0 1 = 1 0 1 0 = 1 1 0
–   Elephant 1.062075+16
−16		(+85)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−24
51.8%
2181
1.02
1130
0 0 = 1 = 0 1 0 0 0 = 0 0 1 1 = 1 0 1 0 = 0 0 1 0 0 0 0 0 0 1 1
–   La Dame Blanche 2.0c2070+19
−19		(+80)14 − 18
(+13−17=2)
43.8%
14.0 / 32
0.0%
+28
49.9%
2086
1.44
1041
0 0 = 0 1 0 1 0 1 0 1 1 1 0 0 1 1 1 1 0 1 = 0 0 1 0 1 0 0 0 0 0
–   Cilian 4.142069+16
−16		(+79)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+44
  
1 1 1 = 0 1 = = 1 0 0 1 1 0 0 1 0 0 0 1 = 1 0 = 0 0 = = 0 1 0 0
–   Etude 0.1.22063+19
−19		(+73)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+16
54.5%
1742
0.86
950
= 0 = 0 0 0 = = 0 0 0 1 1 1 1 1 1 1 0 1 0 0 0 1 0 1 0 = 0 = 0 =
–   Gullydeckel 2.16pl12062+19
−19		(+72)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−79
53.1%
2578
0.88
1370
0 1 0 = 0 0 0 0 0 0 1 0 1 0 1 0 0 = 1 0 1 = 0 1 0 0 0 = 0 1 0 0
–   JanWillem 1.132062+16
−16		(+72)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−36
48.7%
2335
1.24
1136
= = 0 0 = 0 1 1 1 1 1 0 0 = 0 1 0 1 = 1 0 0 0 0 0 0 0 0 1 0 0 0
–   Marvin 1.3.02054+16
−16		(+64)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+26
53.4%
2264
1.18
1208
1 = 1 = 0 0 0 1 = 0 0 1 0 0 0 1 0 1 1 = 0 0 0 1 1 1 1 0 0 = 1 0
–   Matant 5.042053+17
−17		(+63)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−19
50.5%
1750
0.87
883
0 0 0 0 = 0 1 0 0 1 = 1 0 0 1 1 0 = 1 0 1 1 1 = 0 0 0 1 0 0 = 0
–   SSEChessII 2.05 DC2049+17
−17		(+59)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
−15
53.2%
2535
1.02
1348
0 1 0 = 0 = = 0 1 0 1 0 1 1 0 1 0 0 0 0 0 0 0 1 1 0 1 = 0 0 1 1
–   Faile 1.4.42042+15
−15		(+52)13.5 − 18.5
(+12−17=3)
42.2%
13.5 / 32
0.0%
−10
55.6%
2888
0.95
1605
1 1 0 0 1 = 1 0 0 0 0 0 0 0 = 0 1 = 1 1 1 1 0 0 0 0 1 0 0 1 1 0
–   Smash 1.0.32036+17
−17		(+46)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−78
51.0%
2257
1.16
1151
0 1 0 0 0 1 0 0 0 1 0 0 0 1 = 0 1 1 0 0 0 0 0 1 1 0 = 0 0 = 1 =
–   Micro-Max 4.8 PIV DM2028+17
−17		(+38)9.5 − 22.5
(+8−21=3)
29.7%
9.5 / 32
0.0%
−127
74.9%
3470
1.20
2600
0 1 1 1 0 0 0 1 0 1 = 0 0 0 0 1 0 0 0 0 = 0 0 1 0 = 0 0 0 0 1 0
–   Sharper 0.172022+16
−16		(+32)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.2%
−17
50.3%
2539
1.01
1278
1 1 0 0 1 0 0 1 0 0 0 0 = 1 1 0 1 1 0 0 1 0 = 0 1 0 1 0 = 0 1 =
–   Mustang 4.972021+17
−17		(+31)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.4%
−94
52.7%
1814
0.86
956
0 0 0 = 0 1 1 1 0 0 = = = 1 1 0 0 0 0 0 = 0 = 0 0 = 0 0 1 0 1 0
–   Rival UCI 1.182021+17
−17		(+31)9.5 − 22.5
(+9−22=1)
29.7%
9.5 / 32
0.4%
−147
50.6%
2596
1.11
1313
0 0 0 1 0 1 0 1 1 = 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0
–   BibiChess 0.52007+16
−16		(+17)15 − 17
(+14−16=2)
46.9%
15.0 / 32
6.6%
−10
  
0 1 0 0 0 0 1 0 1 0 1 1 0 1 = 1 = 0 0 0 1 0 0 0 1 0 1 1 1 1 1 0
–   IACH 0.56z1995+18
−18		(+5)16 − 16
(+13−13=6)
50.0%
16.0 / 32
34.3%
+3
62.1%
2271
1.29
1411
0 0 1 1 1 1 1 = 1 0 = 0 1 1 = 0 1 0 = 0 1 0 1 0 = 0 1 = 0 0 0 1
–   Heracles 0.6.161993+19
−19		(+3)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
39.9%
−54
51.8%
2405
0.98
1245
0 0 1 0 0 1 0 = 0 0 1 = 0 1 0 1 0 1 1 0 1 = 1 0 1 0 0 0 1 = = 0
–   Warrior 1.0.31987+17
−17		(−3)17.5 − 14.5
(+16−13=3)
54.7%
17.5 / 32
60.6%
+33
50.9%
2941
1.21
1497
0 1 0 0 1 1 1 1 0 0 0 0 1 1 = 1 0 0 0 1 = 1 1 1 1 1 = 0 0 1 0 1
–   Morphy 3.221974+17
−17		(−16)17.5 − 14.5
(+16−13=3)
54.7%
17.5 / 32
92.5%
+21
54.5%
2771
3.47
1511
0 1 1 1 1 0 0 0 = 1 1 0 1 = 1 1 0 1 1 1 0 1 = 0 0 0 1 1 0 0 1 0
–   Eagle 0.7.51973+20
−20		(−17)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
91.4%
+44
48.4%
2776
1.12
1343
0 1 1 0 0 = 0 1 1 0 1 1 1 0 1 = 1 1 0 1 1 1 0 1 0 0 1 0 1 = 1 0
–   SnailChess 4.0131973+19
−19		(−17)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
92.2%
+15
75.8%
1971
2.21
1494
= 1 0 = = 0 0 = 1 1 1 1 0 0 0 = 1 1 0 1 0 = 1 = 1 1 1 0 0 1 0 1
–   Celes 0.77c1921+20
−20		(−69)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+125
52.1%
2162
1.43
1127
= 1 1 0 1 1 0 1 1 1 0 1 0 1 = 1 1 1 0 0 1 1 = 1 1 1 1 0 1 1 1 1
–   Simontacchi 1.811915+20
−20		(−75)19 − 13
(+18−12=2)
59.4%
19.0 / 32
100.0%
+2
54.3%
2471
1.34
1342
1 1 1 1 1 0 0 0 0 0 1 0 0 = 0 1 1 1 1 0 1 1 1 = 1 0 0 1 1 0 1 1
–   Ranita 2.41907+20
−20		(−83)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+84
55.0%
2184
1.31
1202
1 1 = 1 1 0 1 0 0 0 1 1 1 = = 1 = 1 1 1 0 1 1 1 = 1 1 1 1 1 = 0
–   Cecir 3.51885+19
−19		(−105)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−117
50.8%
2474
1.25
1258
0 1 0 1 0 1 1 1 0 1 = 0 0 = 0 1 0 0 0 0 1 0 1 1 0 1 1 1 0 = = =
–   Enigma 1.1.41879+21
−21		(−111)24.5 − 7.5
(+22−5=5)
76.6%
24.5 / 32
100.0%
+99
48.5%
2639
1.40
1280
1 1 0 1 1 1 1 = 1 0 1 1 1 = 1 1 1 1 1 1 1 0 1 1 = = 1 0 1 0 = 1
–   Soldat 0.25b1873+17
−17		(−117)24 − 8
(+22−6=4)
75.0%
24.0 / 32
100.0%
+85
49.8%
2289
1.03
1141
0 0 0 1 1 0 = 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 = 0 1 1 0 1 1 1
–   Grizzly 1.40.1b1837+20
−20		(−153)24.5 − 7.5
(+23−6=3)
76.6%
24.5 / 32
100.0%
+70
49.0%
2115
1.02
1037
1 1 = 1 1 1 1 0 1 1 = 1 0 1 1 1 0 1 0 1 1 1 0 0 1 1 1 = 1 1 1 1
–   Robin 0.9831834+20
−20		(−156)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+18
49.1%
2261
1.19
1111
= = 1 1 0 1 0 1 1 0 0 1 1 1 1 1 1 1 1 1 0 = 0 1 0 1 = 1 1 1 1 1
–   Elf 1.3.01820+18
−18		(−170)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+22
52.0%
2078
1.33
1080
1 0 1 1 1 = 1 1 1 1 0 1 1 = 1 1 1 = = 1 0 0 1 1 1 1 = = 0 1 1 1
–   Laurifer 1.01815+18
−18		(−175)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+23
57.1%
1721
0.73
982
1 1 1 1 = 1 0 1 1 1 1 1 1 1 = 1 1 0 1 1 0 1 = = 1 = 1 0 1 = = 1
–   Kanguruh 1.931806+22
−22		(−184)28.5 − 3.5
(+25−0=7)
89.1%
28.5 / 32
100.0%
+126
49.1%
1961
1.33
962
1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 = = 1 = 1 1 1 1 1 1 1 1 1 = 1 = 1
–   Aldebaran 0.7.01794+19
−19		(−196)24.5 − 7.5
(+22−5=5)
76.6%
24.5 / 32
100.0%
+14
54.6%
1876
1.13
1025
1 0 = = 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 1 = 1 0 1 1 1 1 1 1 = 0 0
–   Adamant 1.71790+19
−19		(−200)25.5 − 6.5
(+24−5=3)
79.7%
25.5 / 32
100.0%
+52
55.3%
2216
1.28
1225
1 1 1 1 1 1 = 1 1 1 1 0 1 0 0 0 1 1 1 1 1 = = 1 1 1 1 1 1 0 1 1
–   SEE 0.6.91781+21
−21		(−209)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
−22
50.4%
2349
1.07
1183
1 0 1 1 = 1 = 1 = 1 1 0 0 0 1 1 1 0 1 1 1 1 = 1 = 1 1 1 1 1 0 1
–   Mizar 3.01767+20
−20		(−223)26 − 6
(+26−6=0)
81.3%
26.0 / 32
100.0%
+77
47.5%
2642
1.36
1255
0 1 1 1 1 0 1 1 1 1 0 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 0
–   Belzebub 0.671744+22
−22		(−246)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
−16
45.9%
2157
1.93
991
0 = 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 = 1 = = 0 1 1 0 1 1 1
–   ALChess 1.5b1729+22
−22		(−261)22.5 − 9.5
(+22−9=1)
70.3%
22.5 / 32
100.0%
−84
50.2%
1909
1.11
959
0 1 0 1 1 1 0 1 1 0 0 1 1 1 0 = 1 1 1 0 0 1 1 1 1 1 1 1 1 1 0 1
1504 games in total: 686 wins, 613 losses, 205 draws (13.6%), score: 52.4%
Average opponent: −20.5 (1969.5), average distance to opponent: 98.1

Performance

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

Perf = C − 0.146 [±0.146] * 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