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
ALChess 1.5b UCI#177  (1729+22
−22
)Quote
Author: Alex Lobanov (Russia) Released: 2007-01-07Link: SDChess
This engine is stable and runs without issues.
This is the only ALChess version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   BibiChess 0.52007+16
−16
(+278)4 − 28
(+3−27=2)
12.5%
4.0 / 32
0.0%
−77
  
0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 1 0 1 0 0 = 0
–   IACH 0.56z1995+18
−18
(+266)4.5 − 27.5
(+4−27=1)
14.1%
4.5 / 32
0.0%
−82
63.4%
2322
0.92
1471
0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 = 0 0
–   Clueless 1.41990+18
−18
(+261)9.5 − 22.5
(+9−22=1)
29.7%
9.5 / 32
0.0%
+84
50.2%
1909
1.11
959
1 0 1 0 0 0 1 0 0 1 1 0 0 0 1 = 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0
–   Warrior 1.0.31987+17
−17
(+258)6 − 26
(+3−23=6)
18.8%
6.0 / 32
0.0%
+14
54.2%
1778
0.42
963
0 = = 0 1 0 0 0 0 0 0 = 0 0 = 0 0 0 1 0 1 0 0 0 = = 0 0 0 0 0 0
–   Morphy 3.221974+17
−17
(+245)5 − 27
(+2−24=6)
15.6%
5.0 / 32
0.0%
−28
55.9%
1922
3.55
1074
0 0 = 0 0 = 0 1 = 0 0 = 0 0 0 0 0 1 0 0 0 = 0 = 0 0 0 0 0 0 0 0
–   Eagle 0.7.51973+20
−20
(+244)10.5 − 21.5
(+10−21=1)
32.8%
10.5 / 32
0.0%
+95
45.6%
1933
0.89
882
0 0 1 0 0 1 0 1 0 1 0 0 1 1 0 0 0 0 0 = 0 1 0 0 0 1 0 1 0 1 0 0
–   SnailChess 4.0131973+19
−19
(+244)7.5 − 24.5
(+4−21=7)
23.4%
7.5 / 32
0.0%
+44
74.8%
1207
1.75
903
0 0 0 0 1 1 1 0 0 0 0 0 = 0 = = 0 = 0 = 0 0 0 = 0 0 1 0 = 0 0 0
–   Celes 0.77c1921+20
−20
(+192)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+81
48.9%
1703
1.39
832
= 0 1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 0 0 0 1 1 = 0 0 = 0 0 1 = 0 =
–   Simontacchi 1.811915+20
−20
(+186)3.5 − 28.5
(+3−28=1)
10.9%
3.5 / 32
0.0%
−208
54.1%
2002
0.66
1084
0 = 0 0 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
–   Ranita 2.41907+20
−20
(+178)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−84
57.5%
2552
0.63
1467
0 0 1 0 0 0 0 = 0 1 0 0 0 = 0 = 0 = 1 0 0 0 0 0 0 1 0 0 0 0 0 0
–   Cecir 3.51885+19
−19
(+156)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
+6
47.6%
2086
0.93
993
0 0 1 0 1 1 = 1 1 0 0 = 0 0 0 0 0 = 0 1 0 1 0 0 0 0 0 0 0 = 0 1
–   Enigma 1.1.41879+21
−21
(+150)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−16
47.9%
1618
1.34
775
0 1 1 0 = 0 0 0 0 1 = 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 = = = 0 =
–   Soldat 0.25b1873+17
−17
(+144)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
+9
49.8%
1394
0.72
694
0 0 = 0 1 0 = 0 0 = 0 = 0 0 0 1 0 0 = 0 1 = 0 1 = 0 = 0 0 0 1 1
–   Grizzly 1.40.1b1837+20
−20
(+108)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−41
50.2%
1627
0.71
817
1 0 1 1 0 = 0 0 0 0 0 1 1 0 0 = 0 = 0 1 0 1 0 1 0 0 0 0 0 0 = 0
–   Robin 0.9831834+20
−20
(+105)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−36
48.0%
2219
0.50
1066
1 0 0 0 0 0 0 1 0 0 = 0 1 = 0 = 1 0 = 0 = 0 0 0 = 0 0 1 0 1 1 0
–   Elf 1.3.01820+18
−18
(+91)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
+35
55.4%
1615
0.81
894
1 = = 0 = 0 = 0 1 0 = 1 0 0 1 0 0 0 1 1 0 1 1 0 1 0 = = = 0 = 0
–   Laurifer 1.01815+18
−18
(+86)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−33
51.4%
1425
1.01
733
0 0 0 0 = 0 0 1 = 0 = 1 1 1 0 0 = 1 0 0 0 0 = 0 = 0 1 0 1 0 1 0
–   Kanguruh 1.931806+22
−22
(+77)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−64
47.7%
1650
0.80
787
0 1 0 0 0 0 0 0 0 0 0 0 1 = = = 0 0 0 1 = 0 1 = 0 1 0 0 = 1 1 0
–   Aldebaran 0.7.01794+19
−19
(+65)15 − 17
(+8−10=14)
46.9%
15.0 / 32
0.0%
+45
55.1%
1069
0.62
589
1 = = = 0 1 1 = 1 = = = = 0 0 1 = 0 = 1 = 1 0 0 0 = = 0 0 = 0 1
–   Adamant 1.71790+19
−19
(+61)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
−7
57.2%
1938
0.63
1108
0 0 0 = 0 0 1 0 = = 0 0 1 1 0 1 = = 1 = 0 0 1 1 0 0 1 0 0 1 1 0
–   SEE 0.6.91781+21
−21
(+52)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
−13
48.0%
1839
0.63
882
0 = = 0 = 0 = 1 0 0 1 1 0 1 1 0 = 1 0 1 0 1 0 = 1 0 0 = = 0 0 0
–   Mizar 3.01767+20
−20
(+38)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
0.2%
+48
49.3%
2061
1.64
1017
0 0 1 = = 1 1 1 0 1 = 0 1 0 0 0 1 = = = 1 0 1 1 = 0 = 1 1 0 0 =
–   Belzebub 0.671744+22
−22
(+15)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
14.1%
+42
48.6%
1552
1.52
755
0 = 0 = = 0 0 1 = 1 = 1 1 = 0 = 1 1 1 1 = 1 1 = 0 0 1 = 0 = = =
–   IQ23 0031716+23
−23
(−13)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
80.9%
−23
45.5%
1006
0.72
458
0 = 1 1 0 0 0 0 0 1 = = 1 0 = 1 = 1 0 = 1 = 1 = = 1 0 0 = = 0 1
–   Rainman 0.7.51687+24
−24
(−42)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
99.8%
+33
51.7%
1750
0.74
904
= 1 1 0 = 0 = 1 = 1 = 1 0 1 1 1 1 0 0 1 1 0 1 1 = = = 1 = = = 0
–   Storm 0.61673+25
−25
(−56)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
+7
49.1%
1386
0.80
680
0 = 0 1 0 1 0 = 0 = = 1 1 1 1 1 0 1 1 = 0 = 1 0 0 1 1 1 1 1 = =
–   Zotron 4.4.61669+24
−24
(−60)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
+3
44.5%
1802
0.80
802
= 1 1 0 1 0 = = = 0 1 0 1 1 = 0 = 1 1 0 = 1 1 0 0 = 1 1 1 0 1 1
–   Needle 0.53.11648+25
−25
(−81)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+29
54.2%
1621
0.86
879
1 = = 0 1 1 0 = 0 = 1 1 1 = 1 0 1 = = 1 1 1 1 1 0 1 0 1 = 1 1 0
–   Exacto 0.d1607+26
−26
(−122)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+49
41.3%
1183
1.19
489
1 1 = 1 = 0 1 1 1 1 1 0 1 1 1 0 = 1 = 0 1 = = = 1 1 1 1 0 1 1 1
–   Piranha 0.51574+28
−28
(−155)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−133
51.9%
2092
0.76
1086
1 0 0 1 0 0 = 1 = 0 = 0 1 0 1 = 1 0 1 1 1 1 0 1 1 0 1 0 1 = = 0
–   ChessterfieldCL i5a JA1546+29
−29
(−183)27 − 5
(+26−4=2)
84.4%
27.0 / 32
100.0%
+131
42.6%
2780
0.93
1185
0 1 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 1 = 1 1 1 0 1 1 1 1 1 0 1 1 1
–   MiniMardi 1.31503+33
−33
(−226)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−27
43.0%
1077
0.90
463
0 1 1 = 1 1 1 1 1 1 1 = 1 0 1 1 1 1 = 1 = 0 1 1 1 1 1 = 1 = = 0

Performance

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

Perf = C − 0.057 [±0.171] * 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