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
Elephant 1.06 WB#138  (2075+16
−16		)Quote
Author: Harald Luessen (Germany) Released: 2004-10-30Link: WBEC
Issues with this engine: Occasional losses on time.
This is the only Elephant version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Esc 1.162345+15
−15		(+270)4 − 21
(+2−19=4)
16.0%
4.0 / 25
0.0%
−8
52.2%
1822
1.09
951
0 0 1 0 0 0 0 = 0 0 0 0 0 = 0 = 0 0 0 = 0 0 0 1 0
–   Dorky 3.482308+16
−16		(+233)4 − 17
(+2−15=4)
19.0%
4.0 / 21
0.0%
−10
51.1%
1320
1.64
674
0 0 = = 0 0 0 0 1 0 = 1 0 = 0 0 0 0 0 0 0
–   CyberPagno 2.1 32MB2295+16
−16		(+220)5.5 − 21.5
(+4−20=3)
20.4%
5.5 / 27
0.0%
−28
53.4%
2100
0.58
1121
0 1 0 0 0 = 0 1 0 0 = 1 0 0 0 0 0 = 0 1 0 0 0 0 0 0 0
–   Latista (Sinobyl) 1.52289+16
−16		(+214)12.5 − 12.5
(+10−10=5)
50.0%
12.5 / 25
0.0%
+208
51.3%
1810
0.86
928
= 1 1 0 1 1 1 0 0 1 1 = 0 = 0 0 0 1 = 1 0 0 = 0 1
–   Madeleine 0.22285+15
−15		(+210)4 − 21
(+1−18=6)
16.0%
4.0 / 25
0.0%
−47
50.5%
1626
0.95
821
0 0 = 0 0 = 0 = 0 0 0 0 1 0 0 0 0 = 0 0 = 0 0 0 =
–   Chispa 4.0.32273+14
−14		(+198)9 − 12
(+3−6=12)
42.9%
9.0 / 21
0.0%
+159
56.5%
642
1.07
363
0 1 0 = = = = = = = = = = 0 0 0 1 0 = = 1
–   Atlas 2.202271+17
−17		(+196)6.5 − 18.5
(+5−17=3)
26.0%
6.5 / 25
0.0%
+1
  
0 1 1 0 0 0 0 = 1 0 1 0 0 = 0 = 1 0 0 0 0 0 0 0 0
–   Genesis 2.02247+16
−16		(+172)7 − 19
(+4−16=6)
26.9%
7.0 / 26
0.0%
+3
54.0%
1702
0.87
919
0 = 0 = 0 1 = 0 0 = 1 1 0 0 0 0 0 0 0 = 0 1 = 0 0 0
–   InmiChess 3.06N2241+15
−15		(+166)8.5 − 17.5
(+5−14=7)
32.7%
8.5 / 26
0.0%
+43
52.3%
1769
0.94
926
= 0 1 0 0 = 0 0 = 1 1 0 1 0 = = 1 0 = = 0 0 0 0 0 0
–   Nesik 0.7.0 alpha2237+16
−16		(+162)7.5 − 17.5
(+6−16=3)
30.0%
7.5 / 25
0.0%
+1
53.4%
1632
0.98
872
0 0 1 0 0 0 = 0 = 0 0 = 1 0 0 0 1 1 0 1 0 0 1 0 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(+157)5 − 23
(+3−21=4)
17.9%
5.0 / 28
0.0%
−108
50.7%
2057
0.81
1042
0 0 = 0 0 0 0 = 0 0 0 0 0 1 1 0 1 = 0 0 0 = 0 0 0 0 0 0
–   Alarm 0.93.12226+16
−16		(+151)12.5 − 19.5
(+12−19=1)
39.1%
12.5 / 32
0.0%
+57
52.6%
3036
1.45
1597
0 0 0 1 0 1 0 1 0 1 1 = 1 0 0 0 0 1 0 1 0 1 0 1 0 0 0 0 1 1 0 0
–   Fortress 1.622216+15
−15		(+141)10.5 − 15.5
(+9−14=3)
40.4%
10.5 / 26
0.0%
+63
51.3%
1723
0.90
884
0 1 = 0 1 0 1 = 0 1 0 0 0 0 0 1 1 1 0 = 0 1 0 1 0 0
–   WJChess 1.642215+16
−16		(+140)6.5 − 17.5
(+5−16=3)
27.1%
6.5 / 24
0.0%
−41
56.9%
1475
1.12
840
0 0 1 0 = 1 0 = 0 = 0 0 1 0 0 0 0 0 1 0 1 0 0 0
–   Gk 0.90 64-bit JA2194+16
−16		(+119)8.5 − 15.5
(+7−14=3)
35.4%
8.5 / 24
0.0%
−1
51.2%
1771
0.73
907
0 = 0 0 0 0 0 0 1 0 1 0 0 1 1 0 = 0 0 0 1 = 1 1
–   Alf 1.09 JA2193+17
−17		(+118)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
−113
51.4%
2471
0.84
1271
0 0 0 1 1 0 0 0 0 0 0 0 = 0 1 0 = 0 1 0 0 0 0 = 0 = 1 0 0 0 0 0
–   Clarabit 1.00 64-bit2193+18
−18		(+118)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
+14
46.9%
2424
0.81
1138
= 0 1 1 0 0 1 0 = 0 = 0 1 = 0 0 1 = 0 0 0 1 0 0 0 0 = 0 1 0 = 1
–   Ghost 0.142189+17
−17		(+114)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−44
52.8%
2067
1.09
1091
0 0 0 = 0 0 0 1 1 0 0 = 0 1 = 0 0 0 1 = 0 0 = 0 0 1 0 0 1 0 0 1
–   Wing 2.0a2179+16
−16		(+104)5.5 − 19.5
(+4−18=3)
22.0%
5.5 / 25
0.0%
−129
53.1%
1861
0.80
988
0 = 1 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 = 0 = 0
–   Uragano 3D 0.872174+16
−16		(+99)10.5 − 21.5
(+9−20=3)
32.8%
10.5 / 32
0.0%
−39
48.9%
2560
0.75
1251
0 = 0 1 0 1 = 1 = 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 1
–   Parrot 0707222161+17
−17		(+86)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+30
53.9%
1743
1.19
939
0 0 0 = 1 1 = 0 = 1 0 = = 1 1 0 1 1 0 0 1 1 0 = 0 0 0 1 = 0 0 0
–   Matheus 2.32144+15
−15		(+69)12 − 18
(+8−14=8)
40.0%
12.0 / 30
0.0%
0
52.1%
1968
0.73
1025
= 1 1 0 1 0 1 0 1 0 0 0 = 1 1 0 0 = 0 = = 0 = 1 0 = 0 0 = 0
–   Bodo 0.2b2137+15
−15		(+62)9.5 − 17.5
(+8−16=3)
35.2%
9.5 / 27
0.0%
−53
51.7%
1688
0.63
873
1 0 0 0 1 0 0 0 0 0 = 0 1 1 0 0 0 0 0 0 1 1 0 = 1 1 =
–   Monarch 1.72131+16
−16		(+56)7 − 25
(+4−22=6)
21.9%
7.0 / 32
0.0%
−161
51.4%
2423
1.10
1245
0 = 1 0 0 0 0 0 = 0 0 0 0 = 0 0 0 = 0 0 0 = 0 1 0 0 = 1 0 0 0 1
–   Bestia 0.902122+15
−15		(+47)11.5 − 15.5
(+8−12=7)
42.6%
11.5 / 27
0.0%
−3
51.1%
1802
0.96
921
0 = = 1 = 0 0 1 1 1 0 0 1 = = 0 1 0 = 0 1 0 1 = 0 0 0
–   Ax 0.82119+15
−15		(+44)13.5 − 14.5
(+11−12=5)
48.2%
13.5 / 28
0.0%
+30
  
1 = 1 = = 0 1 0 1 0 0 1 = 0 1 0 0 1 0 = 1 1 0 1 0 1 0 0
–   Gerbil 02 64-bit JA2118+18
−18		(+43)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
−31
53.4%
2086
0.66
1114
= = 1 1 0 0 1 1 0 1 0 1 0 1 0 0 0 0 0 1 1 = 0 0 0 1 0 0 0 = 0 1
–   BigLion 2.23x2117+17
−17		(+42)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+17
51.2%
2379
0.78
1217
1 = 1 0 = = 0 1 1 0 1 = 0 1 0 0 0 0 0 0 1 1 0 1 0 = 0 1 1 1 = 0
–   RDChess 3.232117+16
−16		(+42)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+42
52.8%
2246
1.06
1185
= = 1 1 1 1 0 1 0 1 = 0 0 0 = 0 0 0 0 = 1 1 0 = 1 0 0 1 0 1 1 1
–   DelphiMax 2.92102+16
−16		(+27)16 − 11
(+13−8=6)
59.3%
16.0 / 27
0.6%
+96
57.1%
2317
0.84
1322
0 0 1 1 = 1 1 0 = = 0 1 = 0 1 1 1 = 0 1 1 1 0 1 = 1 0
–   Armageddon 2.3082098+17
−17		(+23)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
1.9%
+56
50.4%
2186
1.01
1101
0 0 1 1 1 1 1 = 1 0 0 1 0 1 0 = = 1 = 1 0 1 = = 0 1 0 1 1 0 0 =
–   Requiem 0.532084+15
−15		(+9)16 − 16
(+12−12=8)
50.0%
16.0 / 32
20.6%
+10
48.8%
1588
0.68
775
= 0 = 1 = 0 0 = 0 1 = 1 1 1 = 1 0 1 1 = 1 1 0 0 0 = 0 1 0 0 1 0
–   Small Potato 0.6.12082+16
−16		(+7)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
25.1%
−2
52.8%
1992
0.79
1052
0 1 = 1 = 0 1 1 1 1 = 0 1 = = 0 1 1 = 1 0 0 0 0 0 = = = 0 0 0 1
–   La Dame Blanche 2.0c2070+19
−19		(−5)14 − 18
(+12−16=4)
43.8%
14.0 / 32
66.5%
−53
51.3%
2056
1.15
1055
1 1 0 1 0 0 0 = 0 1 0 1 0 1 0 1 0 0 1 1 0 = = 0 0 1 0 0 = 1 0 1
–   Cilian 4.142069+16
−16		(−6)13 − 19
(+9−15=8)
40.6%
13.0 / 32
71.5%
−71
  
= 1 0 1 0 0 = = 0 0 0 1 0 1 0 0 0 = 1 1 = 0 0 = 1 0 = = 0 1 0 1
–   Etude 0.1.22063+19
−19		(−12)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
84.7%
+101
54.2%
2153
0.69
1166
1 0 1 1 1 1 0 1 1 0 1 = 1 1 1 1 1 = 0 1 0 0 1 0 = 1 0 1 1 0 0 1
–   Gullydeckel 2.16pl12062+19
−19		(−13)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
86.7%
+18
53.1%
1820
0.70
967
1 1 1 = = 1 1 1 = 1 0 0 = 0 1 = 1 0 0 0 1 = = 1 0 = 1 = 1 0 0 0
–   JanWillem 1.132062+16
−16		(−13)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
89.3%
+5
50.2%
1445
0.82
726
= 1 1 = 0 0 1 0 1 = 1 0 = 0 0 1 1 0 = 1 0 1 0 1 1 0
–   Marvin 1.3.02054+16
−16		(−21)11.5 − 18.5
(+9−16=5)
38.3%
11.5 / 30
97.9%
−107
47.8%
2978
0.93
1422
0 = 0 0 1 1 0 0 0 1 1 = 0 1 0 0 = 1 1 0 0 0 0 = 0 1 1 0 0 =
–   Matant 5.042053+17
−17		(−22)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
97.6%
+101
48.9%
1804
0.87
882
0 1 0 1 1 1 1 1 0 0 = = 1 = 1 1 = = 1 = 1 1 0 = 1 1 0 1 1 1 1 0
–   SSEChessII 2.05 DC2049+17
−17		(−26)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.2%
+16
52.6%
1869
0.85
983
1 = = 1 1 0 = 0 0 0 1 0 0 = 0 = = 1 1 1 1 = 0 1 0 1 1 1 0 1 1 =
–   Faile 1.4.42042+15
−15		(−33)14.5 − 9.5
(+11−6=7)
60.4%
14.5 / 24
99.9%
+39
58.2%
1445
0.60
841
0 = 1 1 = = = = 1 0 1 0 0 1 1 1 1 = = 0 1 0 1 1
–   Smash 1.0.32036+17
−17		(−39)15 − 17
(+14−16=2)
46.9%
15.0 / 32
100.0%
−65
52.5%
2762
0.75
1449
0 = 1 0 0 0 0 0 1 1 1 1 1 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 = 0 1 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(−47)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
100.0%
−79
74.9%
2169
1.09
1625
0 = = 1 0 = 0 = 0 0 0 1 1 0 = 1 0 = 0 0 1 1 0 1 = = 0 1 = 1 0 1
–   Sharper 0.172022+16
−16		(−53)15 − 6
(+14−5=2)
71.4%
15.0 / 21
100.0%
+123
51.9%
1806
0.59
937
0 1 1 1 1 1 1 1 0 1 0 1 = = 1 0 1 0 1 1 1
–   Mustang 4.972021+17
−17		(−54)15 − 17
(+13−15=4)
46.9%
15.0 / 32
100.0%
−78
53.9%
1920
0.79
1034
0 0 1 0 1 0 0 1 0 0 1 1 1 0 0 1 1 1 = 0 0 = 1 1 1 0 1 0 0 = = 0
–   Rival UCI 1.182021+17
−17		(−54)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
100.0%
+61
52.9%
2533
0.80
1341
= 1 0 0 = 1 1 1 = 1 0 1 1 0 1 1 0 1 1 1 1 1 1 0 0 1 0 0 1 0 1 1
–   BibiChess 0.52007+16
−16		(−68)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+107
  
1 1 = = 1 1 1 0 = = 0 1 = 1 1 1 1 = 1 1 1 0 1 1 1 = 0 0 1 1 1 1
–   IACH 0.56z1995+18
−18		(−80)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−55
64.0%
2365
1.06
1513
= 0 1 1 0 = 0 = = 0 0 1 1 1 1 1 0 1 0 0 1 0 = 1 1 1 = 0 0 1 1 0
–   Heracles 0.6.161993+19
−19		(−82)16.5 − 15.5
(+16−15=1)
51.6%
16.5 / 32
100.0%
−68
52.3%
2755
0.97
1441
0 0 1 1 1 1 0 0 1 1 0 1 0 1 0 1 0 0 1 0 1 1 = 0 0 0 1 1 0 1 1 0
–   Clueless 1.41990+18
−18		(−85)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+24
51.8%
2181
1.02
1130
1 1 = 0 = 1 0 1 1 1 = 1 1 0 0 = 0 1 0 1 = 1 1 0 1 1 1 1 1 1 0 0
–   Warrior 1.0.31987+17
−17		(−88)18 − 14
(+17−13=2)
56.3%
18.0 / 32
100.0%
−35
52.5%
2755
0.69
1446
1 0 1 1 1 1 0 1 0 1 1 1 = 0 = 1 1 1 0 0 0 0 0 1 1 1 0 0 0 1 0 1
–   Morphy 3.221974+17
−17		(−101)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−63
54.0%
2457
3.44
1327
1 1 0 1 1 1 0 1 = 1 = 0 1 0 1 0 0 1 0 1 0 = 1 1 = 1 = 0 0 0 0 1
–   Eagle 0.7.51973+20
−20		(−102)23 − 9
(+22−8=2)
71.9%
23.0 / 32
100.0%
+84
49.1%
2171
1.00
1067
= 1 1 0 0 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 1 0 0 1 = 1 1 1
–   SnailChess 4.0131973+19
−19		(−102)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+93
75.9%
2217
2.57
1683
1 0 1 1 1 1 1 0 = 1 0 1 0 1 1 1 1 0 1 1 = 1 1 1 1 = 1 1 1 1 0 0
–   Soldat 0.25b1873+17
−17		(−202)16 − 9
(+13−6=6)
64.0%
16.0 / 25
100.0%
−96
47.5%
1463
0.81
695
1 0 1 1 1 1 = = = 0 0 1 1 = = 1 1 0 1 0 1 0 1 = 1
–   Elf 1.3.01820+18
−18		(−255)24.5 − 5.5
(+22−3=5)
81.7%
24.5 / 30
100.0%
−1
54.4%
1894
0.95
1030
= 1 1 1 = 1 1 0 1 1 0 1 1 = 1 = 1 1 1 1 1 1 = 1 1 0 1 1 1 1
–   Laurifer 1.01815+18
−18		(−260)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
−22
53.9%
1757
0.81
947
1 1 1 0 = = 1 1 = 1 = = 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 0 1 1 1
–   Adamant 1.71790+19
−19		(−285)27.5 − 4.5
(+27−4=1)
85.9%
27.5 / 32
100.0%
+61
55.1%
2327
0.94
1282
1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1
1724 games in total: 661 wins, 768 losses, 295 draws (17.1%), score: 46.9%
Average opponent: +22.3 (2097.3), average distance to opponent: 97.2

Performance

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

Perf = C + 0.019 [±0.151] * 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