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
Elf 1.3.0 WB#169  (1820+18
−18
)Quote
Author: Erdi Ata Bleda (Turkey) Released: 2005-11-06Link: Homepage
Issues with this engine: Occasional losses on time.
This is the only Elf version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Bodo 0.2b2137+15
−15
(+317)0.5 − 28.5
(+0−28=1)
1.7%
0.5 / 29
0.0%
−310
53.0%
1864
0.72
987
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 0 0
–   Monarch 1.72131+16
−16
(+311)4.5 − 27.5
(+3−26=3)
14.1%
4.5 / 32
0.0%
−10
46.7%
2151
1.46
1004
0 = 0 1 0 0 1 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 1 0 = 0 0 0 0 0 0 0
–   Bestia 0.902122+15
−15
(+302)5 − 21
(+3−19=4)
19.2%
5.0 / 26
0.0%
+51
57.4%
1666
0.80
956
0 0 = 0 0 = 1 0 0 0 1 0 0 = 0 0 0 0 1 0 = 0 0 0 0 0
–   Ax 0.82119+15
−15
(+299)1.5 − 27.5
(+1−27=1)
5.2%
1.5 / 29
0.0%
−207
  
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 0
–   RDChess 3.232117+16
−16
(+297)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
+43
56.1%
2512
1.17
1408
0 0 0 = 1 0 = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 1 0 0 1 0 1
–   DelphiMax 2.92102+16
−16
(+282)0.5 − 24.5
(+0−24=1)
2.0%
0.5 / 25
0.0%
−317
57.5%
1850
0.76
1064
0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
–   Requiem 0.532084+15
−15
(+264)11 − 21
(+3−13=16)
34.4%
11.0 / 32
0.0%
+172
56.0%
1124
0.59
629
= = = = 1 0 0 = = 0 1 = = 0 1 = 0 0 0 = 0 0 = 0 = = 0 = 0 0 = =
–   Small Potato 0.6.12082+16
−16
(+262)7 − 25
(+4−22=6)
21.9%
7.0 / 32
0.0%
+44
52.0%
1985
0.73
1033
1 0 0 0 0 0 0 = 0 0 0 0 = 0 0 0 0 0 0 1 0 1 0 0 = 0 = = 1 = 0 0
–   Elephant 1.062075+16
−16
(+255)5.5 − 24.5
(+3−22=5)
18.3%
5.5 / 30
0.0%
+1
54.4%
1894
0.95
1030
= 0 0 0 = 0 0 1 0 0 1 0 0 = 0 = 0 0 0 0 0 0 = 0 0 1 0 0 0 0
–   Cilian 4.142069+16
−16
(+249)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
+84
  
0 0 1 0 = 0 = 1 1 0 1 1 0 0 0 0 = 0 = 0 0 0 = 0 0 = 0 1 0 0 0 0
–   JanWillem 1.132062+16
−16
(+242)7 − 20
(+5−18=4)
25.9%
7.0 / 27
0.0%
+52
54.3%
1905
0.84
1034
1 0 0 = 0 0 0 0 0 0 1 1 = = 0 0 0 0 0 0 0 1 0 0 1 = 0
–   Marvin 1.3.02054+16
−16
(+234)5 − 24
(+3−22=4)
17.2%
5.0 / 29
0.0%
−36
57.1%
2061
0.49
1177
1 0 = 0 0 0 0 0 0 1 0 0 0 0 0 0 = 0 0 = 0 0 0 0 0 0 = 1 0
–   Matant 5.042053+17
−17
(+233)3 − 29
(+2−28=2)
9.4%
3.0 / 32
0.0%
−167
53.8%
1649
1.18
887
0 0 1 0 0 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
–   SSEChessII 2.05 DC2049+17
−17
(+229)4.5 − 27.5
(+2−25=5)
14.1%
4.5 / 32
0.0%
−70
52.4%
1989
1.17
1043
0 0 0 0 0 = 0 0 1 = 0 = 0 = 0 0 0 0 = 0 0 0 0 0 0 1 0 0 0 0 0 0
–   Faile 1.4.42042+15
−15
(+222)4.5 − 26.5
(+2−24=5)
14.5%
4.5 / 31
0.0%
−69
54.8%
2192
0.58
1201
= 0 0 = 0 0 0 1 0 = 0 0 0 1 0 0 0 0 0 0 0 0 0 0 = 0 = 0 0 0 0
–   Smash 1.0.32036+17
−17
(+216)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
−37
53.4%
2515
0.60
1344
0 0 0 1 1 0 0 1 0 0 0 1 0 = 0 0 0 0 = 0 0 1 0 = 0 0 0 0 0 0 0 0
–   Micro-Max 4.8 PIV DM2028+17
−17
(+208)7.5 − 24.5
(+5−22=5)
23.4%
7.5 / 32
0.0%
−3
75.0%
2534
0.91
1901
= 0 0 1 1 = 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 = 0 = 0 1 0 = 0 0 0 0
–   Sharper 0.172022+16
−16
(+202)9.5 − 20.5
(+7−18=5)
31.7%
9.5 / 30
0.0%
+59
52.6%
2116
0.84
1113
0 0 0 0 = 0 1 1 0 0 = 0 0 0 1 0 1 0 1 0 = 0 1 1 0 0 = = 0 0
–   Mustang 4.972021+17
−17
(+201)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
+4
50.0%
1611
0.77
806
0 0 0 = 0 1 1 0 0 0 1 0 0 0 1 1 0 0 0 = 0 0 0 1 0 = 0 0 0 0 1 0
–   Rival UCI 1.182021+17
−17
(+201)6.5 − 25.5
(+5−24=3)
20.3%
6.5 / 32
0.0%
−51
51.6%
2761
0.88
1425
0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 = 0 0 0 0 0 0 = 1 0 0 0 0 0 = 0 1
–   BibiChess 0.52007+16
−16
(+187)3.5 − 28.5
(+3−28=1)
10.9%
3.5 / 32
0.0%
−207
  
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 =
–   IACH 0.56z1995+18
−18
(+175)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
−56
62.6%
2318
1.26
1452
0 0 1 0 0 0 0 1 = 0 0 0 0 1 0 0 = 0 1 0 = 0 0 0 0 0 0 0 = 0 1 0
–   Heracles 0.6.161993+19
−19
(+173)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
+46
55.3%
1973
0.86
1092
0 0 0 = 1 0 = 1 0 1 = 0 0 = 0 = 1 0 0 0 0 0 0 0 1 = 1 0 1 0 = 0
–   Clueless 1.41990+18
−18
(+170)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
−22
52.0%
2078
1.33
1080
0 1 0 0 0 = 0 0 0 0 1 0 0 = 0 0 0 = = 0 1 1 0 0 0 0 = = 1 0 0 0
–   Warrior 1.0.31987+17
−17
(+167)4.5 − 27.5
(+3−26=3)
14.1%
4.5 / 32
0.0%
−154
56.3%
2316
0.58
1305
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 1 1
–   Morphy 3.221974+17
−17
(+154)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+67
56.4%
1944
4.24
1097
1 1 = 0 0 1 0 0 1 1 0 1 0 0 0 0 = = 0 0 = = = 0 1 0 = 1 0 0 = 0
–   Eagle 0.7.51973+20
−20
(+153)7.5 − 24.5
(+6−23=3)
23.4%
7.5 / 32
0.0%
−70
47.8%
2409
1.17
1152
1 0 = 0 0 0 = 0 0 0 1 1 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 = 0
–   SnailChess 4.0131973+19
−19
(+153)6 − 26
(+5−25=2)
18.8%
6.0 / 32
0.0%
−126
77.1%
1813
1.91
1398
0 0 0 0 0 0 0 0 0 = 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 1 1 0 = 0
–   Celes 0.77c1921+20
−20
(+101)15 − 17
(+11−13=8)
46.9%
15.0 / 32
0.0%
+79
55.5%
1800
0.95
999
= 1 0 0 0 0 1 0 0 = 1 1 1 = = 0 1 1 1 0 1 = = 0 = 0 0 1 0 0 = 1
–   Simontacchi 1.811915+20
−20
(+95)13.5 − 18.5
(+12−17=3)
42.2%
13.5 / 32
0.0%
+31
57.1%
2202
0.73
1258
0 0 0 0 1 0 0 0 0 0 1 1 0 = 0 1 1 = 0 1 0 1 1 0 0 0 0 1 1 1 = 1
–   Ranita 2.41907+20
−20
(+87)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
+12
68.0%
2597
0.43
1766
1 0 0 1 0 0 1 1 1 0 0 0 0 1 0 0 = 1 1 0 0 0 = 0 1 0 0 1 0 1 = =
–   Cecir 3.51885+19
−19
(+65)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−107
51.4%
2108
0.81
1083
0 1 0 = 0 0 = 0 0 1 0 0 0 1 0 1 0 1 0 = 0 0 0 = = = 0 0 = 0 0 0
–   Enigma 1.1.41879+21
−21
(+59)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−37
49.7%
2306
1.32
1146
0 1 1 0 1 1 = 0 0 0 = 0 1 0 1 0 0 0 = 0 = 1 0 0 0 1 0 0 1 1 0 0
–   Soldat 0.25b1873+17
−17
(+53)18 − 10
(+15−7=6)
64.3%
18.0 / 28
0.0%
+154
55.2%
1886
0.81
1042
0 = 1 = 0 1 1 1 0 0 0 1 1 = 0 1 1 0 1 1 1 1 1 = = 1 1 =
–   Grizzly 1.40.1b1837+20
−20
(+17)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
8.8%
−39
55.4%
1799
0.60
996
= 0 0 1 = 1 1 0 0 1 1 0 0 0 0 0 1 = 1 0 1 = = 0 1 0 = 0 1 0 0 =
–   Robin 0.9831834+20
−20
(+14)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
12.5%
+2
50.6%
2071
0.70
1048
1 0 1 = = = 0 0 1 0 0 0 0 = 1 1 = = 0 = = 1 1 1 0 0 0 1 1 0 = 1
–   Laurifer 1.01815+18
−18
(−5)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
67.9%
+73
54.7%
1789
1.01
979
= = 1 1 1 = 0 0 0 1 1 0 = 1 1 1 0 = 1 1 = = 1 1 0 1 0 0 1 1 1 0
–   Kanguruh 1.931806+22
−22
(−14)15 − 17
(+11−13=8)
46.9%
15.0 / 32
86.7%
−38
51.4%
2017
0.77
1037
0 1 = 1 1 0 1 0 1 0 = 0 1 = 0 0 0 1 = 0 0 0 1 0 = 0 = 1 = 1 1 =
–   Aldebaran 0.7.01794+19
−19
(−26)18 − 14
(+12−8=12)
56.3%
18.0 / 32
98.7%
+12
55.6%
1465
0.81
815
0 = = = 0 0 0 0 1 = 1 = 1 = = 1 1 1 1 0 0 = 1 = 1 = = 1 = 1 1 0
–   Adamant 1.71790+19
−19
(−30)17 − 15
(+14−12=6)
53.1%
17.0 / 32
99.5%
−7
68.1%
2495
0.38
1699
0 0 1 0 = 1 1 0 1 1 0 1 0 1 1 = = 1 0 = 1 0 = 1 = 0 0 1 0 0 1 1
–   SEE 0.6.91781+21
−21
(−39)23 − 9
(+20−6=6)
71.9%
23.0 / 32
99.9%
+127
52.1%
2669
1.05
1390
1 1 1 0 1 1 = 1 1 1 = 1 1 1 0 1 0 1 = 1 1 1 = = = 0 0 1 1 1 0 1
–   Mizar 3.01767+20
−20
(−53)20 − 12
(+19−11=2)
62.5%
20.0 / 32
100.0%
+51
47.8%
2514
1.24
1202
0 0 1 1 1 1 1 = 0 0 0 0 1 0 1 1 1 1 1 1 0 1 1 0 = 0 1 1 1 1 0 1
–   Belzebub 0.671744+22
−22
(−76)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−43
50.8%
1607
1.43
816
1 0 0 = 1 1 1 1 0 1 = 1 0 0 0 0 = = = 1 1 1 = 1 = = 1 = 0 0 0 1
–   ALChess 1.5b1729+22
−22
(−91)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−35
55.4%
1615
0.81
894
0 = = 1 = 1 = 1 0 1 = 0 1 1 0 1 1 1 0 0 1 0 0 1 0 1 = = = 1 = 1
–   IQ23 0031716+23
−23
(−104)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
+60
52.2%
1244
0.69
649
= 0 1 = = 1 1 = 1 1 1 = 1 1 0 1 1 0 1 = 1 1 1 1 1 = 1 = 1 0 = 1
–   Rainman 0.7.51687+24
−24
(−133)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+140
50.7%
2331
0.81
1181
1 1 1 1 1 1 1 = 0 = 1 1 1 1 1 0 = 1 1 = 1 1 1 1 1 1 1 1 = = 1 1
–   Storm 0.61673+25
−25
(−147)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+95
54.4%
1743
0.54
949
1 1 = = 1 1 0 = 1 1 1 = 1 = 1 1 0 1 1 = 1 1 1 1 1 1 0 1 1 1 1 1
–   Zotron 4.4.61669+24
−24
(−151)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+85
43.8%
2116
1.08
926
1 1 0 1 1 1 1 1 1 1 1 1 1 = 0 1 1 1 1 = = 1 0 = 1 1 1 1 0 1 = 1
–   Needle 0.53.11648+25
−25
(−172)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
−12
54.4%
1975
0.74
1074
1 1 = 1 0 1 1 = 0 1 0 = 1 1 0 1 1 1 1 0 1 = = 1 1 1 0 1 1 0 1 1
–   Exacto 0.d1607+26
−26
(−213)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−16
41.4%
966
0.90
400
1 1 = 1 1 1 1 1 1 1 0 1 1 = 1 1 1 = 1 = 0 = 1 = 0 0 1 1 1 = 1 1
–   Piranha 0.51574+28
−28
(−246)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
−112
46.6%
2078
0.85
968
0 1 1 1 1 1 1 = 1 1 = 1 0 1 = 1 0 1 1 1 1 0 = = 1 0 1 0 1 0 1 0
–   ChessterfieldCL i5a JA1546+29
−29
(−274)28.5 − 3.5
(+27−2=3)
89.1%
28.5 / 32
100.0%
+85
45.1%
2287
1.12
1031
1 1 1 1 1 = 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1

Performance

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

Perf = C − 0.198 [±0.168] * 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