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
Robin 0.983 WB#168  (1834+20
−20		)Quote
Author: Piotr Dachtera (Poland) Released: 2003-09-04Link: Archived Homepage
This engine is stable and runs without issues.
This is the only Robin version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Matant 5.042053+17
−17		(+219)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
+23
49.9%
1824
1.04
910
0 0 1 0 0 0 0 0 0 0 0 0 0 0 = 1 0 0 0 1 1 0 0 0 1 = 1 1 0 0 = 0
–   SSEChessII 2.05 DC2049+17
−17		(+215)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
+66
52.4%
2263
0.93
1185
0 0 0 = 0 = 1 0 0 1 0 0 1 0 = 1 0 0 = 0 1 0 1 0 = 0 0 0 = 0 = 0
–   Faile 1.4.42042+15
−15		(+208)9 − 23
(+3−17=12)
28.1%
9.0 / 32
0.0%
+66
50.7%
2256
0.48
1143
1 0 = 0 0 0 0 0 0 = = = = = = 0 0 1 0 = 0 = = = 0 = 0 0 1 0 0 0
–   Smash 1.0.32036+17
−17		(+202)8.5 − 23.5
(+8−23=1)
26.6%
8.5 / 32
0.0%
−6
53.1%
2316
0.78
1230
0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 1 1 = 0 0 1 1 0 0 1 0 0 0 0 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(+194)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
+27
72.8%
2528
0.73
1841
0 0 = 0 0 0 = 0 0 0 = 1 1 0 0 1 0 0 0 0 1 0 1 0 = 0 0 = 1 0 = 0
–   Sharper 0.172022+16
−16		(+188)8.5 − 23.5
(+6−21=5)
26.6%
8.5 / 32
0.0%
+4
49.2%
2392
0.77
1176
= 0 0 0 0 1 0 0 0 = 1 0 0 0 0 0 0 = 0 = 0 0 0 0 1 1 0 1 = 0 0 1
–   Mustang 4.972021+17
−17		(+187)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
+118
46.4%
1783
0.75
827
0 1 1 0 0 1 = 0 1 1 1 1 = = 0 = 0 1 0 0 0 0 1 0 0 = 1 0 0 0 0 =
–   Rival UCI 1.182021+17
−17		(+187)6 − 26
(+3−23=6)
18.8%
6.0 / 32
0.0%
−58
47.2%
2282
1.03
1076
= = 0 1 0 0 1 0 = 0 0 0 0 0 1 = 0 0 = 0 0 0 = 0 0 0 0 0 0 0 0 0
–   BibiChess 0.52007+16
−16		(+173)7.5 − 24.5
(+4−21=7)
23.4%
7.5 / 32
0.0%
−24
  
0 0 = 0 0 0 1 = 0 0 0 1 0 = 0 0 0 = 0 0 0 0 1 = = 0 1 0 0 0 = 0
–   IACH 0.56z1995+18
−18		(+161)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
+13
62.6%
2227
1.00
1393
0 1 0 = 1 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 = = 0 = 1 0
–   Heracles 0.6.161993+19
−19		(+159)7.5 − 24.5
(+6−23=3)
23.4%
7.5 / 32
0.0%
−64
47.9%
2556
0.98
1224
0 0 0 = = 0 0 0 1 0 0 0 0 1 1 1 0 0 1 0 1 0 0 0 0 0 0 0 = 0 0 0
–   Clueless 1.41990+18
−18		(+156)9 − 23
(+7−21=4)
28.1%
9.0 / 32
0.0%
−18
49.1%
2261
1.19
1111
= = 0 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 = 1 0 1 0 = 0 0 0 0 0
–   Warrior 1.0.31987+17
−17		(+153)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
+3
54.4%
1965
0.64
1068
1 0 = 1 = 0 0 = 1 = = 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 = = 0 = = =
–   Morphy 3.221974+17
−17		(+140)11.5 − 20.5
(+6−15=11)
35.9%
11.5 / 32
0.0%
+47
55.0%
1967
4.15
1081
0 0 0 1 = = 0 1 0 = 0 1 0 1 = = 0 0 0 = 0 1 = 0 0 = 0 = = = 0 1
–   Eagle 0.7.51973+20
−20		(+139)7.5 − 24.5
(+4−21=7)
23.4%
7.5 / 32
0.0%
−59
44.7%
1811
0.85
810
0 0 0 = 0 0 0 = 0 1 0 0 0 0 0 = = 0 0 0 0 0 1 = = 0 0 0 1 0 = 1
–   SnailChess 4.0131973+19
−19		(+139)11 − 21
(+10−20=2)
34.4%
11.0 / 32
0.0%
+9
75.4%
2080
1.86
1569
0 0 0 = 1 1 0 1 0 = 0 0 0 0 0 1 1 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0
–   Celes 0.77c1921+20
−20		(+87)8.5 − 23.5
(+6−21=5)
26.6%
8.5 / 32
0.0%
−95
50.0%
2032
1.71
1015
0 0 0 0 0 = = 0 0 0 1 0 0 0 0 0 = 0 0 1 0 0 0 0 = 1 0 1 = 1 1 0
–   Simontacchi 1.811915+20
−20		(+81)14.5 − 17.5
(+14−17=1)
45.3%
14.5 / 32
0.0%
+40
50.6%
2583
0.62
1307
0 1 1 1 0 0 0 0 0 1 0 0 1 0 1 1 0 0 1 0 0 0 1 1 1 0 1 1 0 = 0 1
–   Ranita 2.41907+20
−20		(+73)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−44
54.7%
2790
0.66
1525
0 1 = 1 0 = 1 0 = = 0 0 0 1 = 0 1 0 0 = 0 0 1 0 1 0 0 0 0 0 0 1
–   Cecir 3.51885+19
−19		(+51)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−68
51.8%
2210
0.72
1145
0 1 = = 0 0 0 0 0 0 0 = = = 0 0 0 0 0 0 0 1 1 = = 1 = 1 0 = 0 1
–   Enigma 1.1.41879+21
−21		(+45)16 − 16
(+12−12=8)
50.0%
16.0 / 32
0.0%
+45
43.5%
2354
1.05
1024
1 1 1 = 0 1 0 = = 0 0 0 1 0 0 1 = = = 0 = 1 1 0 0 = 1 0 1 0 1 1
–   Soldat 0.25b1873+17
−17		(+39)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.1%
−28
48.6%
2011
0.61
977
0 0 = 1 0 0 0 1 = 0 1 1 0 = 0 1 = 1 0 0 0 1 0 1 0 0 1 0 = = = =
–   Grizzly 1.40.1b1837+20
−20		(+3)14 − 18
(+12−16=4)
43.8%
14.0 / 32
42.0%
−46
48.6%
1999
0.64
972
1 1 0 0 0 0 = = 0 0 1 1 0 1 0 0 1 1 0 1 0 0 0 = = 1 1 1 0 0 1 0
–   Elf 1.3.01820+18
−18		(−14)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
87.5%
−2
50.6%
2071
0.70
1048
0 1 0 = = = 1 1 0 1 1 1 1 = 0 0 = = 1 = = 0 0 0 1 1 1 0 0 1 = 0
–   Laurifer 1.01815+18
−18		(−19)17 − 15
(+12−10=10)
53.1%
17.0 / 32
94.5%
+1
54.0%
1472
0.76
795
1 = 0 1 0 1 = = 1 0 = 0 = 1 1 1 1 1 = 1 0 = = 0 0 = 1 0 0 = 1 0
–   Kanguruh 1.931806+22
−22		(−28)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
98.3%
−16
46.2%
2238
0.83
1034
= 0 = 1 1 0 1 = 0 0 0 1 1 1 0 1 1 = 0 0 0 0 = 0 1 1 1 1 = 0 1 =
–   Aldebaran 0.7.01794+19
−19		(−40)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
99.9%
−72
51.4%
1632
0.58
839
= = 1 = 0 = = 0 0 0 0 0 = 0 0 1 1 0 = 1 1 = = 0 1 1 = 0 1 0 = 1
–   Adamant 1.71790+19
−19		(−44)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−11
56.4%
2563
0.63
1446
= 0 1 1 0 1 1 0 1 0 0 1 = 1 = 0 0 1 1 = = 0 = = 1 0 1 1 0 0 1 1
–   SEE 0.6.91781+21
−21		(−53)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
+20
50.0%
1718
0.69
859
0 = 1 1 1 = 1 1 1 0 1 0 0 1 = = 0 0 1 = 0 1 1 1 1 1 = 1 = = 0 =
–   Mizar 3.01767+20
−20		(−67)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
100.0%
+47
43.8%
2272
1.40
996
1 0 = 1 1 1 0 1 1 1 = 1 1 0 0 1 0 0 1 1 1 1 0 = 0 1 1 1 1 0 0 1
–   Belzebub 0.671744+22
−22		(−90)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+67
44.5%
2390
1.39
1064
0 1 1 1 = 1 1 0 = 1 0 1 = = 1 1 1 1 1 1 0 = 1 = 1 1 = 1 1 1 = 0
–   ALChess 1.5b1729+22
−22		(−105)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+36
48.0%
2219
0.50
1066
0 1 1 1 1 1 1 0 1 1 = 1 0 = 1 = 0 1 = 1 = 1 1 1 = 1 1 0 1 0 0 1
–   IQ23 0031716+23
−23		(−118)20 − 12
(+13−5=14)
62.5%
20.0 / 32
100.0%
−39
44.8%
977
0.69
438
= = 1 = 1 = 0 = 1 1 1 1 1 1 = 1 1 1 1 0 = 0 1 = 0 = = = 0 = = =
–   Rainman 0.7.51687+24
−24		(−147)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
−30
49.4%
1962
0.74
970
0 0 1 1 1 0 1 1 1 1 1 1 0 1 = = 0 = 1 1 = 1 1 1 1 1 0 = 0 0 = 1
–   Storm 0.61673+25
−25		(−161)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+126
48.1%
1908
0.79
918
1 = 1 1 1 1 1 1 1 1 1 1 = 0 1 1 1 1 1 0 1 1 0 0 = 1 1 1 1 1 1 1
–   Zotron 4.4.61669+24
−24		(−165)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+52
41.2%
2262
0.71
932
1 1 1 1 = = 1 1 1 = = 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 1 = = 1
–   Needle 0.53.11648+25
−25		(−186)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−52
50.2%
1884
0.63
946
= 1 0 = = 1 1 1 = 1 1 = 1 1 0 1 = 1 1 = 0 = 1 1 = 1 1 1 1 = 0 =
–   Exacto 0.d1607+26
−26		(−227)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
−46
39.1%
1195
0.80
467
1 1 1 1 1 = = 1 0 0 = 1 1 = = 1 0 1 1 = = 1 1 = 1 1 1 1 1 1 0 1
–   Piranha 0.51574+28
−28		(−260)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+32
48.1%
2304
0.71
1109
1 1 = = 1 0 1 0 1 = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1
1248 games in total: 437 wins, 554 losses, 257 draws (20.6%), score: 45.3%
Average opponent: +37.8 (1871.8), average distance to opponent: 126.2

Performance

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

Perf = C + 0.003 [±0.118] * 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