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

Options
Show each game results
Matheus 2.3 UCI#126  (2144+15
−15		)Quote
Author: Josue Forte (Brazil) Released: 2004-03-14Link: Homepage
This engine is stable and runs without issues.
This is the only Matheus version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+273)6 − 23
(+5−22=2)
20.7%
6.0 / 29
0.0%
+16
53.7%
1859
1.18
998
0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 = 0 1 1 0 0 0 = 0 1 0 0 0 0
–   Chezzz 1.0.32409+15
−15		(+265)7 − 20
(+4−17=6)
25.9%
7.0 / 27
0.0%
+86
59.7%
2018
0.72
1205
0 0 0 0 = = = 0 1 0 0 0 0 0 0 = 1 1 0 = 0 1 0 0 0 = 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+258)1.5 − 15.5
(+1−15=1)		8.8%
1.5 / 17
0.0%
−154
54.6%
1340
0.66
731
0 0 0 0 0 = 0 0 0 0 0 0 0 1 0 0 0
–   Averno 0.812396+15
−15		(+252)7.5 − 23.5
(+2−18=11)
24.2%
7.5 / 31
0.0%
+80
56.3%
1664
0.87
937
0 = = = = = 0 = = 0 0 0 0 0 1 0 = 0 = 0 0 = 0 0 = 0 1 0 0 0 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(+246)9 − 18
(+8−17=2)
33.3%
9.0 / 27
0.0%
+108
59.8%
2336
0.85
1396
0 0 = 1 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 = 0
–   KnightX 1.922385+15
−15		(+241)3.5 − 25.5
(+2−24=3)
12.1%
3.5 / 29
0.0%
−100
56.5%
1944
0.84
1098
0 0 0 0 0 1 0 0 0 0 0 = 1 0 0 0 0 0 0 = 0 0 0 0 0 = 0 0 0
–   Eeyore 1.482384+15
−15		(+240)7 − 20
(+4−17=6)
25.9%
7.0 / 27
0.0%
+63
59.2%
1883
0.51
1114
= 0 0 1 0 = 0 = 0 0 0 0 1 0 1 0 0 = 0 0 = 1 0 = 0 0 0
–   Ayito 0.2.9942371+16
−16		(+227)3.5 − 22.5
(+2−21=3)
13.5%
3.5 / 26
0.0%
−94
55.2%
2173
0.94
1199
0 0 0 = = 0 0 = 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+211)4 − 17
(+2−15=4)
19.0%
4.0 / 21
0.0%
−32
57.8%
1520
1.03
878
0 0 0 0 0 0 0 0 0 1 0 = = 0 1 0 0 0 = = 0
–   Esc 1.162345+15
−15		(+201)5 − 21
(+3−19=4)
19.2%
5.0 / 26
0.0%
−49
56.6%
1729
1.03
978
0 0 0 = 0 0 1 0 0 0 = = 0 0 0 0 0 0 = 0 1 1 0 0 0 0
–   ANT 2006-F2333+16
−16		(+189)9.5 − 19.5
(+5−15=9)
32.8%
9.5 / 29
0.0%
+70
54.3%
2043
0.73
1110
0 1 = 0 = = 1 0 = 0 = 1 0 0 0 0 0 1 = 0 0 = 0 0 1 0 0 = =
–   GNU Chess 5.07 64-bit JA2332+22
−22		(+188)10.5 − 16.5
(+9−15=3)
38.9%
10.5 / 27
0.0%
+97
52.9%
1649
0.99
872
0 0 0 1 0 1 0 0 1 1 0 0 0 0 1 1 0 = = 1 0 0 1 0 0 1 =
–   Dorky 3.482308+16
−16		(+164)9 − 16
(+7−14=4)
36.0%
9.0 / 25
0.0%
+52
57.9%
1802
1.19
1043
0 1 = 0 0 1 0 0 0 1 0 0 = = 1 1 0 1 1 = 0 0 0 0 0
–   CyberPagno 2.1 32MB2295+16
−16		(+151)5.5 − 21.5
(+4−20=3)
20.4%
5.5 / 27
0.0%
−93
60.0%
2151
0.55
1291
0 0 = 0 0 0 0 1 0 0 = 1 0 1 0 = 0 0 0 0 1 0 0 0 0 0 0
–   Latista (Sinobyl) 1.52289+16
−16		(+145)11 − 15
(+9−13=4)
42.3%
11.0 / 26
0.0%
+82
56.7%
1924
0.81
1091
= 0 1 1 0 0 1 0 1 1 = 0 0 = 1 1 0 0 0 = 1 0 1 0 0 0
–   Madeleine 0.22285+15
−15		(+141)8 − 22
(+7−21=2)
26.7%
8.0 / 30
0.0%
−58
55.2%
2335
0.92
1288
0 = 1 0 = 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
–   Chispa 4.0.32273+14
−14		(+129)11.5 − 16.5
(+3−8=17)
41.1%
11.5 / 28
0.0%
+79
58.1%
792
1.00
460
0 = = = 0 = = 1 = = = 1 = = 0 = 0 = = = 1 = 0 0 0 0 = =
–   Uralochka 1.1b2272+18
−18		(+128)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
+9
54.1%
2201
0.89
1190
0 = 0 = 0 0 0 0 = = 1 0 0 0 0 1 0 1 0 0 0 0 1 0 0 = 1 1 1 = 0 1
–   Atlas 2.202271+17
−17		(+127)4 − 24
(+3−23=2)
14.3%
4.0 / 28
0.0%
−198
  
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 = 1 = 0 0 0 0 0 0 1
–   Genesis 2.02247+16
−16		(+103)7 − 17
(+5−15=4)
29.2%
7.0 / 24
0.0%
−54
56.4%
1875
0.65
1058
= 0 0 = 1 0 0 0 0 1 0 1 = 0 0 0 0 0 0 0 0 = 1 1
–   InmiChess 3.06N2241+15
−15		(+97)11 − 17
(+8−14=6)
39.3%
11.0 / 28
0.0%
+17
55.8%
1638
0.79
914
= = 1 = 0 0 1 0 1 1 = = 0 1 0 0 0 0 1 0 1 0 0 0 0 1 0 =
–   Lime 662241+18
−18		(+97)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+61
50.8%
2695
0.83
1370
= = 0 0 0 0 0 0 0 1 = 0 1 0 0 0 1 1 1 1 0 1 0 1 0 1 = 0 1 1 1 =
–   Nesik 0.7.0 alpha2237+16
−16		(+93)9 − 11
(+6−8=6)
45.0%
9.0 / 20
0.0%
+60
55.7%
1462
0.98
814
= = 0 0 1 0 0 0 0 = 0 1 1 0 1 = = 1 1 =
–   Sunsetter C10.3 64-bit JA2232+16
−16		(+88)13 − 15
(+8−10=10)
46.4%
13.0 / 28
0.0%
+65
56.8%
1351
0.68
768
0 1 0 0 1 0 = 1 0 1 1 = = = = 1 1 0 0 = 0 = = 1 = = 0 0
–   NagaSkaki 5.122232+18
−18		(+88)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
+38
53.5%
2512
1.22
1344
= 0 1 0 0 0 = 0 0 0 1 1 = = 1 1 1 0 1 0 0 0 0 1 1 0 1 0 1 1 0 0
–   Alarm 0.93.12226+16
−16		(+82)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−11
53.5%
2201
1.31
1177
0 0 1 1 0 0 = 1 0 1 = = 0 1 0 = 0 1 0 0 0 0 0 = 0 0 1 1 0 0 1 =
–   Fortress 1.622216+15
−15		(+72)7.5 − 18.5
(+4−15=7)
28.8%
7.5 / 26
0.0%
−75
54.3%
1632
0.94
886
= 1 = 0 0 = 1 = 0 = 0 0 0 1 0 0 0 1 = 0 0 0 0 = 0 0
–   WJChess 1.642215+16
−16		(+71)10.5 − 17.5
(+6−13=9)
37.5%
10.5 / 28
0.0%
−15
54.6%
2249
1.14
1227
0 0 1 1 0 = = = = 1 0 0 0 0 0 0 1 1 = 0 0 1 = = 0 = 0 =
–   Gk 0.90 64-bit JA2194+16
−16		(+50)9.5 − 10.5
(+8−9=3)
47.5%
9.5 / 20
0.0%
+35
55.5%
1720
0.37
955
1 = 0 0 1 1 0 1 1 0 0 = 1 0 0 0 1 = 0 1
–   Alf 1.09 JA2193+17
−17		(+49)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−50
54.2%
1773
0.92
961
0 0 0 = = 0 = 0 0 1 0 1 0 1 = 0 = = 0 0 0 1 = 1 = = = 0 0 = 0 =
–   Clarabit 1.00 64-bit2193+18
−18		(+49)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+14
53.2%
2936
0.70
1563
= 1 0 0 0 0 0 0 = = 0 = 1 1 1 = 1 1 0 0 1 0 1 0 1 0 = 1 1 = 0 0
–   Ghost 0.142189+17
−17		(+45)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
0.0%
+81
53.8%
2457
1.13
1321
1 0 = = 1 0 1 1 1 0 0 1 1 1 0 0 = = 0 1 0 1 = 1 0 0 0 1 0 1 1 1
–   Wing 2.0a2179+16
−16		(+35)13.5 − 14.5
(+11−12=5)
48.2%
13.5 / 28
0.0%
+21
56.4%
1811
0.77
1021
0 1 1 0 1 0 = 1 1 = = 1 0 0 1 0 0 0 0 0 1 0 1 1 = 0 = 1
–   Uragano 3D 0.872174+16
−16		(+30)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.2%
−112
55.2%
1894
0.77
1045
0 0 0 = = 0 0 = 0 0 0 = 0 = 1 1 0 1 0 1 = 0 = 0 0 0 1 = 0 = 0 0
–   Parrot 0707222161+17
−17		(+17)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
6.3%
+4
55.4%
1933
1.36
1070
1 1 1 0 = 0 1 1 = 0 0 1 = 0 1 1 0 = 0 1 = 0 0 = = 1 0 = = 0 1 0
–   Bodo 0.2b2137+15
−15		(−7)14.5 − 8.5
(+11−5=7)
63.0%
14.5 / 23
76.3%
+81
53.3%
1193
0.52
636
1 1 = = 1 1 1 1 1 1 = 1 = 0 1 0 0 = = 1 = 0 0
–   Monarch 1.72131+16
−16		(−13)17 − 15
(+13−11=8)
53.1%
17.0 / 32
88.6%
+10
54.4%
2743
1.05
1493
= 0 = 1 = = = 1 1 1 0 0 0 0 0 1 1 1 1 0 0 0 0 1 = 1 1 1 0 = 1 =
–   Bestia 0.902122+15
−15		(−22)14 − 10
(+11−7=6)
58.3%
14.0 / 24
98.5%
+38
54.3%
1442
0.62
783
0 0 1 0 1 1 1 0 = = = 1 1 0 0 1 = 1 0 = 1 1 = 1
–   Ax 0.82119+15
−15		(−25)15.5 − 7.5
(+14−6=3)
67.4%
15.5 / 23
99.2%
+109
  
= 0 1 1 1 1 0 1 1 1 1 0 1 = 1 1 1 = 1 0 1 0 0
–   Gerbil 02 64-bit JA2118+18
−18		(−26)18 − 14
(+15−11=6)
56.3%
18.0 / 32
98.9%
+20
55.6%
2304
0.54
1280
0 1 1 1 1 1 1 = 1 1 1 1 1 = 1 0 0 = 0 1 0 0 0 0 = 1 = 0 = 0 1 0
–   BigLion 2.23x2117+17
−17		(−27)16 − 16
(+13−13=6)
50.0%
16.0 / 32
99.3%
−27
55.9%
2426
0.61
1355
0 1 1 0 = 0 1 1 1 0 0 1 = 0 1 0 0 = = = 1 0 1 1 1 0 0 1 0 1 0 =
–   RDChess 3.232117+16
−16		(−27)16 − 16
(+12−12=8)
50.0%
16.0 / 32
99.4%
−29
56.0%
2231
1.26
1249
0 0 1 = 0 = 1 0 = = 0 = 1 = 0 0 0 1 = 0 1 1 0 = 1 0 1 1 1 1 1 0
–   DelphiMax 2.92102+16
−16		(−42)13 − 18
(+10−15=6)
41.9%
13.0 / 31
100.0%
−104
59.6%
2174
0.71
1296
0 = 1 0 0 0 0 0 0 0 = 1 1 1 0 0 1 = 1 1 0 = 0 1 0 0 0 = 1 1 =
–   Armageddon 2.3082098+17
−17		(−46)10 − 22
(+7−19=6)
31.3%
10.0 / 32
100.0%
−186
56.9%
2458
0.89
1399
0 0 0 = 1 0 = 0 = 0 1 1 0 0 1 0 1 0 1 0 0 = 0 0 0 = 0 0 = 1 0 0
–   Requiem 0.532084+15
−15		(−60)17.5 − 14.5
(+8−5=19)
54.7%
17.5 / 32
100.0%
−33
59.6%
814
0.37
485
0 1 1 = = = 0 = 1 = = 1 0 = 1 = = 1 1 0 = 0 = = = = = 1 = = = =
–   Small Potato 0.6.12082+16
−16		(−62)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
−11
57.9%
1772
0.47
1026
1 1 1 = 1 1 1 = = 0 = 1 = = 0 = = 1 = = 0 1 0 1 0 0 1 = 1 1 0 0
–   Elephant 1.062075+16
−16		(−69)18 − 12
(+14−8=8)
60.0%
18.0 / 30
100.0%
0
52.1%
1968
0.73
1025
= 0 0 1 0 1 0 1 0 1 1 1 = 0 0 1 1 = 1 = = 1 = 0 1 = 1 1 = 1
–   La Dame Blanche 2.0c2070+19
−19		(−74)16 − 16
(+14−14=4)
50.0%
16.0 / 32
100.0%
−74
52.8%
1862
1.17
983
0 1 = 0 1 0 1 = 1 0 0 1 1 1 0 1 0 1 0 0 0 1 0 = = 1 1 0 1 1 0 0
–   Cilian 4.142069+16
−16		(−75)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−3
  
0 1 = 1 0 = = = 1 0 = = 1 1 1 0 = 0 = 1 1 1 1 = 1 = 0 0 1 1 = 1
–   Etude 0.1.22063+19
−19		(−81)17 − 15
(+12−10=10)
53.1%
17.0 / 32
100.0%
−58
51.9%
2033
0.68
1056
= 0 1 1 1 0 1 = 0 0 0 1 = = 0 0 1 = = 0 1 1 = 0 0 1 = 1 = 1 1 =
–   Gullydeckel 2.16pl12062+19
−19		(−82)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+134
59.6%
2275
0.55
1356
1 = 1 = 1 1 0 1 = 1 1 1 1 1 1 0 1 = 1 = 1 0 1 1 1 1 1 1 1 0 1 =
–   JanWillem 1.132062+16
−16		(−82)13.5 − 15.5
(+9−11=9)
46.6%
13.5 / 29
100.0%
−107
56.7%
1838
0.75
1042
0 0 = = = 1 0 = 1 0 0 1 = = 0 0 0 1 1 1 = = 0 1 1 0 1 = 0
–   Marvin 1.3.02054+16
−16		(−90)15.5 − 9.5
(+11−5=9)
62.0%
15.5 / 25
100.0%
−7
57.9%
1312
0.62
759
= 1 = 1 1 1 1 1 = 0 0 1 0 1 = = = = = = 0 1 1 1 0
–   Matant 5.042053+17
−17		(−91)21 − 11
(+20−10=2)
65.6%
21.0 / 32
100.0%
+40
53.2%
1980
0.86
1054
1 1 1 0 = 0 1 1 0 1 1 0 1 1 1 0 0 1 0 = 1 1 0 0 1 1 1 1 1 1 1 0
–   SSEChessII 2.05 DC2049+17
−17		(−95)19 − 13
(+16−10=6)
59.4%
19.0 / 32
100.0%
−26
52.4%
2839
1.18
1488
1 0 0 1 = = 1 0 1 1 1 1 = 1 0 0 0 1 1 0 1 1 = 0 1 1 = 0 0 1 = 1
–   Faile 1.4.42042+15
−15		(−102)15 − 10
(+12−7=6)
60.0%
15.0 / 25
100.0%
−29
55.3%
1849
0.48
1023
0 0 = 1 1 1 1 = 1 1 = = 1 1 1 = 1 0 0 1 0 0 = 1 0
–   Smash 1.0.32036+17
−17		(−108)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+65
54.5%
2751
0.69
1498
0 = 1 0 1 1 = 1 = 0 1 1 = 0 1 = 1 1 1 = 1 1 0 = 1 1 1 1 1 1 1 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(−116)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+24
77.9%
2086
0.68
1624
0 1 1 1 1 1 = 1 0 = 1 1 0 = 1 = = 1 = 1 1 1 1 = 1 1 1 1 0 = = 0
–   Sharper 0.172022+16
−16		(−122)16 − 12
(+14−10=4)
57.1%
16.0 / 28
100.0%
−69
55.1%
2359
0.56
1300
= 0 0 0 0 1 0 = 0 1 1 = 0 0 1 1 1 1 = 0 1 1 1 1 0 1 1 1
–   Rival UCI 1.182021+17
−17		(−123)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+32
52.4%
2452
0.80
1284
= = 1 1 1 = 0 0 1 1 1 1 = 1 1 1 1 1 1 = 1 1 1 1 = 1 0 0 = 1 = 0
–   BibiChess 0.52007+16
−16		(−137)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+52
  
0 1 1 1 = = 0 1 1 1 = 1 = = 1 0 1 1 1 1 1 0 1 1 1 1 = 1 0 1 1 1
–   Warrior 1.0.31987+17
−17		(−157)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
+49
58.1%
2227
0.47
1293
1 1 1 1 1 1 1 1 1 0 0 = = 1 1 = 1 1 1 1 1 0 = = 1 1 = 1 = 1 = 1
–   Soldat 0.25b1873+17
−17		(−271)24 − 3
(+24−3=0)
88.9%
24.0 / 27
100.0%
+139
51.6%
2193
0.65
1132
0 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1
–   Laurifer 1.01815+18
−18		(−329)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
−103
58.2%
1878
0.84
1093
= 1 1 1 1 1 1 1 1 1 = 0 = 1 0 1 1 1 1 1 = 1 1 = = 1 1 = 1 0 1 1
1843 games in total: 654 wins, 784 losses, 405 draws (22.0%), score: 46.5%
Average opponent: +28.8 (2172.8), average distance to opponent: 113.3

Performance

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

Perf = C + 0.012 [±0.138] * 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