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
Aldebaran 0.7.0 WB#172  (1794+19
−19		)Quote
Author: Mauro Scarpa (Italy) Released: 2001-06-07
Issues with this engine: Frequent losses on time.
This is the only Aldebaran version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Matant 5.042053+17
−17		(+259)4 − 28
(+2−26=4)
12.5%
4.0 / 32
0.0%
−68
54.6%
1482
1.35
809
0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 = 0 = 0 = 0 0 0 1 0 0 0
–   Faile 1.4.42042+15
−15		(+248)5 − 27
(+2−24=6)
15.6%
5.0 / 32
0.0%
−25
52.9%
2182
0.60
1154
0 0 0 0 = 0 = 0 0 = = 0 = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 1 0
–   Smash 1.0.32036+17
−17		(+242)7.5 − 24.5
(+1−18=13)
23.4%
7.5 / 32
0.0%
+70
51.1%
1347
0.96
688
= 0 0 0 = 0 = = 0 0 0 0 0 0 = = 0 0 = 0 0 = 0 = = = 0 0 = 1 = 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(+234)9 − 23
(+2−16=14)
28.1%
9.0 / 32
0.0%
+96
75.2%
1382
0.75
1039
0 0 0 0 0 = = 0 = 0 = = = 0 0 = 0 = = 0 0 = = 1 0 0 = 1 0 = = 0
–   Sharper 0.172022+16
−16		(+228)3.5 − 28.5
(+1−26=5)
10.9%
3.5 / 32
0.0%
−104
53.0%
2337
0.73
1239
1 = 0 0 = 0 0 0 = 0 0 = 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
–   Mustang 4.972021+17
−17		(+227)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+84
54.6%
1280
0.70
699
0 0 1 0 = = 0 0 0 = = 1 1 1 0 0 0 1 0 = 0 0 = 0 0 0 = = = 0 0 0
–   Rival UCI 1.182021+17
−17		(+227)4.5 − 27.5
(+0−23=9)
14.1%
4.5 / 32
0.0%
−36
51.8%
1948
1.20
1009
= 0 0 0 0 0 0 0 = = = = 0 0 0 = 0 0 0 0 0 = 0 = 0 0 = 0 0 0 0 0
–   BibiChess 0.52007+16
−16		(+213)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+70
  
= 1 = 1 0 = 0 0 1 0 = 0 0 0 0 0 0 = 0 1 0 0 1 = 0 = = 0 0 0 = 0
–   IACH 0.56z1995+18
−18		(+201)7 − 25
(+2−20=10)
21.9%
7.0 / 32
0.0%
+6
62.0%
1472
0.91
913
0 0 = 0 0 0 0 1 0 = 0 0 = = = 0 0 = 0 0 1 0 0 = = = 0 0 0 = 0 0
–   Heracles 0.6.161993+19
−19		(+199)6.5 − 25.5
(+1−20=11)
20.3%
6.5 / 32
0.0%
−1
53.5%
1514
1.36
810
0 = = 0 = 0 = = 0 0 0 = 0 0 = 0 0 0 = 0 0 0 = = 0 0 0 0 = 0 0 1
–   Clueless 1.41990+18
−18		(+196)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
−14
54.6%
1876
1.13
1025
0 1 = = 0 0 0 0 0 0 0 0 1 0 0 0 0 0 = 0 = 0 1 0 0 0 0 0 0 = 1 1
–   Warrior 1.0.31987+17
−17		(+193)10 − 22
(+5−17=10)
31.3%
10.0 / 32
0.0%
+65
54.5%
1577
0.66
860
0 = 0 0 1 = = 0 0 0 0 = = 0 0 0 0 1 0 = = 0 0 = = 1 0 0 1 1 = 0
–   Morphy 3.221974+17
−17		(+180)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
+100
57.2%
1491
3.37
853
= = 0 = = 0 1 = 1 0 1 1 = = 0 = = = 1 0 0 0 1 0 0 0 0 0 0 = = 0
–   Eagle 0.7.51973+20
−20		(+179)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
+3
47.6%
1960
0.99
932
0 = 0 0 0 0 0 = 0 0 1 0 0 = = 1 0 0 0 0 0 = 1 0 = 0 1 1 0 = 0 0
–   SnailChess 4.0131973+19
−19		(+179)7.5 − 24.5
(+3−20=9)
23.4%
7.5 / 32
0.0%
−9
74.2%
1117
1.92
829
0 0 0 0 1 0 = 0 0 = = 0 = 0 = = 0 0 0 1 = 0 0 0 0 = 0 0 1 0 = 0
–   Celes 0.77c1921+20
−20		(+127)10 − 22
(+5−17=10)
31.3%
10.0 / 32
0.0%
+2
51.7%
1415
1.47
731
0 0 = 1 = 1 0 0 0 0 = 0 1 = = 0 0 0 1 = 0 0 = = = 0 0 0 = 0 1 0
–   Simontacchi 1.811915+20
−20		(+121)7.5 − 24.5
(+2−19=11)
23.4%
7.5 / 32
0.0%
−56
58.0%
1699
0.44
986
= 0 = 0 0 0 0 1 0 0 1 0 = 0 0 0 = = 0 0 0 = 0 0 = 0 = = = = 0 0
–   Ranita 2.41907+20
−20		(+113)10 − 22
(+5−17=10)
31.3%
10.0 / 32
0.0%
−15
59.8%
2006
0.65
1199
= 0 1 = 0 0 0 1 = 0 0 0 0 0 0 = 0 1 0 = 0 = 0 0 1 = 0 1 = = = 0
–   Cecir 3.51885+19
−19		(+91)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+59
52.4%
1766
0.82
925
= 1 1 0 = = 1 = = 0 0 0 1 = 1 0 0 = 0 1 = = 1 0 0 1 0 0 0 = = 1
–   Enigma 1.1.41879+21
−21		(+85)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
0.0%
+77
46.6%
1253
1.41
584
= 0 0 = = 1 = 0 0 = 0 1 1 = = 1 = 1 0 1 = 1 = 0 0 0 = 1 1 = = 0
–   Soldat 0.25b1873+17
−17		(+79)10 − 22
(+2−14=16)
31.3%
10.0 / 32
0.0%
−34
54.1%
1190
0.90
644
= 0 0 1 = = = = 0 0 = 0 = 1 = = 0 0 0 0 0 0 = 0 = 0 = = = = = 0
–   Grizzly 1.40.1b1837+20
−20		(+43)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
−19
51.6%
1484
0.70
766
0 = 0 0 0 0 = 0 1 1 1 = 1 0 0 1 = 0 = 0 = 1 1 0 0 = = 0 1 0 = =
–   Robin 0.9831834+20
−20		(+40)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
0.1%
+72
51.4%
1632
0.58
839
= = 0 = 1 = = 1 1 1 1 1 = 1 1 0 0 1 = 0 0 = = 1 0 0 = 1 0 1 = 0
–   Elf 1.3.01820+18
−18		(+26)14 − 18
(+8−12=12)
43.8%
14.0 / 32
1.3%
−12
55.6%
1465
0.81
815
1 = = = 1 1 1 1 0 = 0 = 0 = = 0 0 0 0 1 1 = 0 = 0 = = 0 = 0 0 1
–   Laurifer 1.01815+18
−18		(+21)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
3.6%
−54
52.2%
1455
1.22
760
0 0 1 = 1 0 0 0 = 0 1 1 1 0 1 0 = = 0 = = 0 0 = 0 1 = 1 0 0 = 0
–   Kanguruh 1.931806+22
−22		(+12)22 − 10
(+18−6=8)
68.8%
22.0 / 32
17.6%
+144
54.9%
1628
0.76
894
0 = = 1 1 1 1 = 1 1 1 1 0 1 = 1 0 0 1 1 1 = 0 1 1 = 1 1 0 = = 1
–   Adamant 1.71790+19
−19		(−4)19 − 13
(+12−6=14)
59.4%
19.0 / 32
61.9%
+51
55.9%
1228
0.57
687
= 1 = 1 1 1 = 1 = 1 1 0 = 0 0 = = = 0 = = = = = = 0 1 1 1 1 1 0
–   SEE 0.6.91781+21
−21		(−13)20 − 12
(+14−6=12)
62.5%
20.0 / 32
85.0%
+68
51.0%
1466
0.53
747
= 0 1 1 = 0 1 0 1 = = 1 = 0 = 0 1 1 1 = = = = = 1 = 0 1 1 1 1 1
–   Mizar 3.01767+20
−20		(−27)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
98.6%
−55
48.5%
1620
1.76
785
0 = 0 = 1 = = = 1 0 1 1 = 0 1 0 1 1 = 0 = 0 1 0 = = = 0 0 = 0 =
–   Belzebub 0.671744+22
−22		(−50)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
100.0%
−60
49.3%
1434
1.24
707
= 1 1 = 1 0 1 = 0 0 1 0 = = 0 = = 1 1 = 1 0 = = 0 0 = 0 0 1 = =
–   ALChess 1.5b1729+22
−22		(−65)17 − 15
(+10−8=14)
53.1%
17.0 / 32
100.0%
−45
55.1%
1069
0.62
589
0 = = = 1 0 0 = 0 = = = = 1 1 0 = 1 = 0 = 0 1 1 1 = = 1 1 = 1 0
–   IQ23 0031716+23
−23		(−78)16 − 16
(+8−8=16)
50.0%
16.0 / 32
100.0%
−78
46.0%
906
1.00
417
0 = 1 1 = = = 1 0 = 1 0 = = = 0 1 = = = = = = = 1 0 1 0 0 = 0 1
–   Rainman 0.7.51687+24
−24		(−107)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
−12
51.5%
1544
0.73
795
= = 0 = = = = 1 1 0 = 1 = 0 1 1 1 1 0 1 1 1 = 0 = 1 1 1 1 = 0 1
–   Storm 0.61673+25
−25		(−121)18 − 14
(+11−7=14)
56.3%
18.0 / 32
100.0%
−82
53.1%
1003
1.11
533
1 0 1 1 0 0 1 = 0 1 = 1 = 1 = = = 0 0 1 = = 0 = 1 = 1 = = 1 = =
–   Zotron 4.4.61669+24
−24		(−125)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
−23
44.8%
1337
0.45
599
1 = = 1 1 1 1 = = = 1 0 1 1 1 1 = = 0 0 0 1 1 1 = 1 0 = = 1 = =
–   Needle 0.53.11648+25
−25		(−146)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
+18
55.5%
1829
0.36
1015
1 1 = = 1 1 1 = 1 1 1 1 1 1 0 = = 0 1 1 = = 1 = = 1 1 1 1 0 1 0
–   Exacto 0.d1607+26
−26		(−187)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−75
49.8%
622
0.76
310
0 = = = = 1 1 0 = 1 1 1 1 1 1 1 = = = 1 = = 1 = 1 = = = 1 = = 1
–   Piranha 0.51574+28
−28		(−220)26.5 − 5.5
(+24−3=5)
82.8%
26.5 / 32
100.0%
+48
49.4%
2360
0.90
1166
1 = 0 = = 1 0 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 0 1 1 = 1 1 1 1 1 1
–   ChessterfieldCL i5a JA1546+29
−29		(−248)21.5 − 10.5
(+15−4=13)
67.2%
21.5 / 32
100.0%
−135
45.4%
1494
0.55
679
= = = 1 = 1 = 1 1 0 = 1 1 1 1 1 = 1 0 1 = 1 1 0 = 1 = 1 = = = 0
–   MiniMardi 1.31503+33
−33		(−291)26.5 − 5.5
(+23−2=7)
82.8%
26.5 / 32
100.0%
−39
50.5%
850
0.56
429
1 = 1 1 0 1 = 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 = = 1 1 1 1 0 1 = 1
1280 games in total: 328 wins, 529 losses, 423 draws (33.0%), score: 42.1%
Average opponent: +57.0 (1851), average distance to opponent: 141.1

Performance

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

Perf = C + 0.130 [±0.124] * 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