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
Adamant 1.7 WB#173  (1790+19
−19		)Quote
Author: George Varentsov (Russia) Released: 2005-02-10Links: Homepage, SDChess
This engine is stable and runs without issues.
This is the only Adamant version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   DelphiMax 2.92102+16
−16		(+312)3.5 − 28.5
(+1−26=5)
10.9%
3.5 / 32
0.0%
−21
57.1%
2050
0.87
1170
0 0 0 0 0 0 = 0 0 0 0 0 = 0 0 = 0 = = 0 0 0 0 0 0 0 0 1 0 0 0 0
–   Requiem 0.532084+15
−15		(+294)6 − 26
(+1−21=10)
18.8%
6.0 / 32
0.0%
+77
56.7%
1336
0.79
757
= 0 0 0 0 0 = 0 0 0 = 1 0 0 0 0 = 0 = 0 = 0 0 = 0 0 0 0 = 0 = =
–   Small Potato 0.6.12082+16
−16		(+292)5.5 − 26.5
(+4−25=3)
17.2%
5.5 / 32
0.0%
+7
54.6%
2433
0.87
1328
0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 = 1 0 0 0 1 0 0 = 0 0 = 0 0 0 0 0
–   Elephant 1.062075+16
−16		(+285)4.5 − 27.5
(+4−27=1)
14.1%
4.5 / 32
0.0%
−61
55.1%
2327
0.94
1282
0 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0
–   Cilian 4.142069+16
−16		(+279)4 − 28
(+1−25=6)
12.5%
4.0 / 32
0.0%
−26
  
= 0 0 0 0 0 0 0 0 = = = 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 0 1 0 0
–   JanWillem 1.132062+16
−16		(+272)1.5 − 30.5
(+1−30=1)
4.7%
1.5 / 32
0.0%
−251
55.0%
2039
0.89
1121
0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
–   Marvin 1.3.02054+16
−16		(+264)4.5 − 27.5
(+3−26=3)
14.1%
4.5 / 32
0.0%
−57
58.0%
2360
0.76
1369
0 0 0 0 0 0 0 = 1 0 0 0 = = 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0
–   Matant 5.042053+17
−17		(+263)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
+8
52.7%
1834
1.07
967
0 1 0 0 0 0 0 0 0 = 0 0 1 0 0 = 0 0 0 0 0 0 1 0 1 1 = 0 0 0 0 0
–   SSEChessII 2.05 DC2049+17
−17		(+259)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−3
55.8%
2090
1.20
1167
0 0 0 0 = 0 0 0 1 0 0 = 0 0 0 0 1 0 0 = = 0 1 0 0 0 1 0 0 0 0 0
–   Faile 1.4.42042+15
−15		(+252)3.5 − 28.5
(+1−26=5)
10.9%
3.5 / 32
0.0%
−81
59.1%
2280
0.62
1348
0 = 0 0 0 = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = = 0 0 0 0 = 0 0 0
–   Smash 1.0.32036+17
−17		(+246)5.5 − 26.5
(+2−23=7)
17.2%
5.5 / 32
0.0%
−5
56.6%
1983
0.72
1122
0 0 = 0 0 = 0 = 0 = = 0 1 0 0 0 = 0 0 = 0 0 0 0 0 0 0 0 0 0 0 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(+238)5 − 27
(+3−25=4)
15.6%
5.0 / 32
0.0%
−54
77.2%
2592
1.06
2002
0 0 0 0 0 = 0 0 0 0 0 0 1 0 0 0 0 0 0 = 0 = = 1 0 0 0 1 0 0 0 0
–   Sharper 0.172022+16
−16		(+232)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
+2
53.3%
2502
0.86
1333
1 0 0 = 0 0 1 0 0 0 0 0 = 1 1 0 1 0 0 0 0 0 0 0 0 0 0 = 0 0 0 =
–   Mustang 4.972021+17
−17		(+231)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
+99
55.0%
1739
0.78
956
0 1 0 0 0 1 0 1 = 1 0 0 = 0 1 0 0 = 0 0 0 0 = 1 0 = 0 1 0 1 0 0
–   Rival UCI 1.182021+17
−17		(+231)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
+1
55.3%
2270
0.98
1255
0 0 1 0 = 0 0 0 1 0 0 1 0 0 0 = 0 0 1 = 0 = 0 0 1 0 0 0 0 0 0 0
–   BibiChess 0.52007+16
−16		(+217)7.5 − 24.5
(+4−21=7)
23.4%
7.5 / 32
0.0%
+18
  
= 0 0 0 0 0 0 = = 1 0 0 0 0 1 = 0 = 0 0 0 = 0 1 0 0 0 0 0 1 = 0
–   IACH 0.56z1995+18
−18		(+205)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+64
61.8%
1564
1.41
967
0 0 0 0 = 0 0 = 0 0 0 0 1 0 0 = 1 0 1 1 1 = = 0 0 = = = 0 0 = 0
–   Heracles 0.6.161993+19
−19		(+203)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
+100
54.2%
2409
0.91
1305
0 0 0 0 = 0 1 0 1 = 0 1 0 0 = 0 0 0 = = 1 0 1 = 0 0 1 0 = 1 0 1
–   Clueless 1.41990+18
−18		(+200)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
−52
55.3%
2216
1.28
1225
0 0 0 0 0 0 = 0 0 0 0 1 0 1 1 1 0 0 0 0 0 = = 0 0 0 0 0 0 1 0 0
–   Warrior 1.0.31987+17
−17		(+197)8 − 24
(+4−20=8)
25.0%
8.0 / 32
0.0%
+16
57.4%
1733
0.69
994
= 0 0 0 0 0 1 0 0 0 0 = = 0 0 = 1 1 0 0 0 0 = 1 = 0 0 0 = 0 0 =
–   Morphy 3.221974+17
−17		(+184)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
−25
57.6%
2333
4.92
1343
0 1 0 0 = 1 0 0 0 0 0 0 0 0 = 0 0 0 0 = = 0 0 0 1 0 0 1 1 = 0 0
–   Eagle 0.7.51973+20
−20		(+183)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
+62
46.9%
2345
1.12
1099
0 0 = 0 = 0 0 0 0 1 1 1 0 1 0 1 0 0 = 0 0 1 0 1 = 0 1 0 0 1 0 0
–   SnailChess 4.0131973+19
−19		(+183)8 − 24
(+3−19=10)
25.0%
8.0 / 32
0.0%
+9
79.4%
1308
1.77
1039
0 0 0 = = 1 1 0 0 0 1 0 0 = 0 = 0 = = 0 0 0 0 = = 0 0 = = 0 0 0
–   Celes 0.77c1921+20
−20		(+131)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−18
55.5%
1996
1.07
1107
= = 1 0 = 0 0 0 0 0 0 0 = 0 0 0 1 1 0 = 0 = 0 1 0 0 0 = 1 1 0 0
–   Simontacchi 1.811915+20
−20		(+125)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
+1
55.2%
1911
0.74
1055
0 0 1 1 0 0 0 1 0 1 1 0 0 0 0 1 = = 0 0 0 1 1 0 0 0 0 0 1 = = 0
–   Ranita 2.41907+20
−20		(+117)9 − 23
(+8−22=2)
28.1%
9.0 / 32
0.0%
−68
66.9%
2673
0.44
1787
0 0 0 1 0 1 = 0 = 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 1
–   Cecir 3.51885+19
−19		(+95)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−18
51.8%
2265
0.94
1173
0 1 0 0 1 = 1 = 1 1 0 = 0 0 0 0 0 1 0 0 0 0 = = 0 = 1 0 = 0 0 =
–   Enigma 1.1.41879+21
−21		(+89)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−28
51.9%
1986
1.11
1030
0 0 0 0 0 = = 1 0 1 = 1 1 0 1 1 0 1 0 0 0 = 0 0 0 1 0 = 0 0 0 =
–   Soldat 0.25b1873+17
−17		(+83)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
+29
56.2%
1864
0.60
1048
0 = 1 0 0 0 = 0 0 1 0 1 0 = 1 0 1 1 0 = = 0 0 1 = 0 = 0 1 = = 1
–   Grizzly 1.40.1b1837+20
−20		(+47)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−73
58.8%
1756
0.63
1032
0 = 0 1 0 = 0 0 0 0 1 = 0 1 0 0 1 = 0 1 1 0 0 0 1 = 0 = 0 0 1 0
–   Robin 0.9831834+20
−20		(+44)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+11
56.4%
2563
0.63
1446
= 1 0 0 1 0 0 1 0 1 1 0 = 0 = 1 1 0 0 = = 1 = = 0 1 0 0 1 1 0 0
–   Elf 1.3.01820+18
−18		(+30)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.5%
+7
68.1%
2495
0.38
1699
1 1 0 1 = 0 0 1 0 0 1 0 1 0 0 = = 0 1 = 0 1 = 0 = 1 1 0 1 1 0 0
–   Laurifer 1.01815+18
−18		(+25)13 − 19
(+8−14=10)
40.6%
13.0 / 32
1.7%
−40
54.3%
1342
0.99
729
= 0 0 0 = = 0 0 0 = = 1 1 0 0 1 = 0 = 0 0 0 1 1 0 = = 1 = 1 1 0
–   Kanguruh 1.931806+22
−22		(+16)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
11.2%
−16
52.9%
2217
0.97
1173
1 0 = 0 = 0 = 1 1 1 0 = 1 0 0 1 0 0 = 0 0 0 1 0 1 1 = 1 1 0 0 =
–   Aldebaran 0.7.01794+19
−19		(+4)13 − 19
(+6−12=14)
40.6%
13.0 / 32
38.1%
−51
55.9%
1228
0.57
687
= 0 = 0 0 0 = 0 = 0 0 1 = 1 1 = = = 1 = = = = = = 1 0 0 0 0 0 1
–   SEE 0.6.91781+21
−21		(−9)14 − 18
(+10−14=8)
43.8%
14.0 / 32
77.5%
−51
49.4%
2170
0.84
1071
0 1 = 1 1 1 0 1 1 0 = 0 0 0 = 1 0 0 0 = 1 = = 0 0 1 0 0 1 = = 0
–   Mizar 3.01767+20
−20		(−23)16.5 − 15.5
(+16−15=1)
51.6%
16.5 / 32
97.2%
−8
52.5%
2765
1.45
1452
1 0 0 0 1 1 0 0 1 0 = 0 1 1 1 0 1 1 0 0 0 1 1 1 0 0 1 1 0 1 0 1
–   Belzebub 0.671744+22
−22		(−46)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
100.0%
−57
52.0%
2350
1.62
1221
1 = 0 0 = = = 0 0 0 0 1 = 1 1 0 0 1 0 = 0 1 0 = = 1 0 = 1 1 1 1
–   ALChess 1.5b1729+22
−22		(−61)19 − 13
(+16−10=6)
59.4%
19.0 / 32
100.0%
+7
57.2%
1938
0.63
1108
1 1 1 = 1 1 0 1 = = 1 1 0 0 1 0 = = 0 = 1 1 0 0 1 1 0 1 1 0 0 1
–   IQ23 0031716+23
−23		(−74)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
+47
54.6%
1291
0.54
705
1 = = = 1 1 = = 1 1 1 1 = 1 1 = 0 1 0 = = 1 1 = = 1 1 1 0 1 0 =
–   Rainman 0.7.51687+24
−24		(−103)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+15
52.5%
2299
0.98
1206
1 = 1 1 = 1 1 0 1 1 0 0 = 1 1 1 0 1 1 0 0 1 = = 0 1 = 1 1 1 1 0
–   Storm 0.61673+25
−25		(−117)23 − 9
(+22−8=2)
71.9%
23.0 / 32
100.0%
+70
53.0%
2043
0.75
1082
1 1 0 0 0 1 1 0 1 1 1 0 0 0 1 1 0 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1
–   Zotron 4.4.61669+24
−24		(−121)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−13
44.7%
2323
1.15
1038
0 1 1 1 1 1 0 = 1 = 1 = 1 0 = 1 1 1 1 1 0 1 0 0 = 1 1 0 0 1 0 1
–   Needle 0.53.11648+25
−25		(−142)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+57
57.5%
2021
0.73
1162
1 = = 1 = 1 0 = 1 1 = 1 1 1 1 1 0 1 1 1 0 1 1 1 = 1 = 1 1 1 1 0
–   Exacto 0.d1607+26
−26		(−183)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
+21
48.5%
913
1.11
443
1 1 1 = 1 1 0 1 = 0 1 1 1 1 1 = 1 = = = 1 1 1 1 0 = = 1 1 1 1 1
–   Piranha 0.51574+28
−28		(−216)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+104
54.7%
2184
0.72
1194
1 1 1 1 0 1 1 1 = 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 = 1 1 1 0 1 1 1
–   ChessterfieldCL i5a JA1546+29
−29		(−244)25.5 − 6.5
(+24−5=3)
79.7%
25.5 / 32
100.0%
+9
42.0%
2794
1.38
1174
1 1 1 1 0 1 1 0 = 1 1 1 0 1 = 1 0 1 1 1 1 1 = 1 1 1 0 1 1 1 1 1
–   MiniMardi 1.31503+33
−33		(−287)30.5 − 1.5
(+30−1=1)
95.3%
30.5 / 32
100.0%
+237
48.0%
1221
1.00
586
1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1
1536 games in total: 443 wins, 818 losses, 275 draws (17.9%), score: 37.8%
Average opponent: +98.0 (1888), average distance to opponent: 165.7

Performance

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

Perf = C − 0.150 [±0.112] * 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