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
ANT 2006-F WB#101  (2333+16
−16		)Quote
Author: Tom Vijlbrief (Netherlands) Released: 2006-05-04Link: WBEC
This engine is stable and runs without issues.
This is the only ANT version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   The Crazy Bishop 00522460+15
−15		(+127)8.5 − 21.5
(+7−20=3)
28.3%
8.5 / 30
0.0%
−52
55.9%
2581
0.53
1444
0 0 0 0 0 0 0 = 0 1 0 0 0 1 0 0 0 0 1 1 = = 1 0 1 0 0 1 0 0
–   Patzer 3.802460+16
−16		(+127)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
−103
46.5%
2604
1.11
1211
0 0 = 0 0 1 0 0 1 0 0 0 0 0 0 0 = 1 0 1 = 0 0 0 0 1 = 0 0 0 0 0
–   Der Bringer 1.92455+15
−15		(+122)9.5 − 19.5
(+7−17=5)
32.8%
9.5 / 29
0.0%
−11
50.0%
2430
0.52
1215
1 0 0 1 0 = 0 = 0 1 0 0 1 0 1 0 0 0 0 0 0 = 1 0 = 0 0 1 =
–   Gosu 0.162455+16
−16		(+122)17 − 15
(+13−11=8)
53.1%
17.0 / 32
0.0%
+144
51.9%
2170
0.84
1127
1 1 1 0 = = = 0 1 0 0 1 1 1 = 0 0 = = 1 0 1 1 1 0 = 1 = 0 1 0 0
–   Phalanx XXII Reborn JA2452+15
−15		(+119)12.5 − 17.5
(+11−16=3)
41.7%
12.5 / 30
0.0%
+52
51.1%
2614
0.72
1336
0 1 0 0 0 1 0 0 1 1 = = 1 0 0 1 1 1 = 0 0 0 0 1 0 1 0 1 0 0
–   Homer 2.012452+17
−17		(+119)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
+51
50.4%
2452
0.90
1236
1 1 0 = 0 1 = 1 0 0 1 0 0 0 0 0 = 0 = 0 = 0 1 1 0 0 1 1 0 0 = 1
–   Betsy 6.51 Nobook2450+15
−15		(+117)10.5 − 17.5
(+8−15=5)
37.5%
10.5 / 28
0.0%
+20
53.7%
2121
0.83
1140
0 = 0 0 0 1 0 = 1 0 0 1 0 = 0 1 = 0 = 1 0 0 0 1 1 1 0 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+115)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+48
53.1%
2139
0.76
1136
0 0 0 1 0 1 0 0 1 = 1 = 0 0 = 0 0 1 1 = = 0 = 0 0 1 1 1 = 0 0 =
–   Amateur 2.822446+15
−15		(+113)9.5 − 17.5
(+7−15=5)
35.2%
9.5 / 27
0.0%
+2
50.2%
2064
1.25
1037
= 0 0 1 0 0 0 0 1 1 1 0 = 0 0 1 0 0 0 = 0 1 0 = 0 = 1
–   Tytan 9.32 64-bit2429+17
−17		(+96)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+35
  
= 1 0 = 1 0 0 = 0 0 0 0 = 0 1 0 0 0 1 1 0 0 1 1 1 = 1 1 0 1 0 0
–   Horizon 4.42419+18
−18		(+86)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−54
51.6%
2134
1.54
1101
0 = 0 0 0 0 0 = 1 0 = 0 0 1 1 0 = 0 1 1 0 1 0 0 = 0 1 0 0 0 = 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+84)9 − 18
(+7−16=4)
33.3%
9.0 / 27
0.0%
−46
50.0%
2563
0.76
1281
1 1 0 0 0 0 0 0 = 1 1 1 0 0 0 0 1 = = 0 1 0 0 0 = 0 0
–   Arion 1.72415+16
−16		(+82)10 − 17
(+8−15=4)
37.0%
10.0 / 27
0.0%
−22
58.8%
2337
0.45
1375
= 1 0 = 0 0 0 0 0 1 0 1 0 1 = 0 1 0 0 0 1 0 0 = 1 1 0
–   AICE 0.99.22411+16
−16		(+78)18 − 14
(+13−9=10)
56.3%
18.0 / 32
0.0%
+117
51.0%
2036
0.66
1038
0 1 0 0 = 0 0 1 = 0 = = 1 0 1 0 0 1 = 1 = 1 1 1 = 1 = 1 1 1 = =
–   Chezzz 1.0.32409+15
−15		(+76)9 − 18
(+5−14=8)
33.3%
9.0 / 27
0.0%
−38
52.7%
1754
0.50
925
1 0 = 0 1 0 0 0 = 0 0 0 = = 1 = = 0 1 = 0 0 1 0 0 0 =
–   Asterisk 0.62402+17
−17		(+69)8 − 24
(+4−20=8)
25.0%
8.0 / 32
0.0%
−111
52.0%
2398
0.68
1248
= 0 0 1 0 0 0 0 0 0 0 0 = 1 = = = 0 0 = 0 0 0 = 0 0 0 = 0 0 1 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+69)13 − 12
(+11−10=4)
52.0%
13.0 / 25
0.0%
+86
52.8%
2324
0.51
1227
1 0 1 1 0 1 = 0 = 1 0 1 1 0 0 0 1 1 1 = 1 0 0 = 0
–   Averno 0.812396+15
−15		(+63)14 − 13
(+12−11=4)
51.9%
14.0 / 27
0.0%
+77
48.3%
2554
0.79
1233
1 1 = = 0 1 0 0 0 0 1 0 1 = 0 1 1 1 0 0 = 0 1 1 0 1 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(+57)11 − 16
(+9−14=4)
40.7%
11.0 / 27
0.0%
−13
53.4%
1892
0.75
1011
1 0 = 0 0 = 0 1 1 0 1 0 1 0 0 1 = 0 1 0 0 = 1 0 0 1 0
–   KnightX 1.922385+15
−15		(+52)15.5 − 13.5
(+10−8=11)
53.4%
15.5 / 29
0.0%
+75
51.5%
1768
0.63
911
0 = = 0 1 1 0 = 1 0 0 1 = = = 0 0 = = 0 = 1 1 1 1 = 1 = 1
–   Eeyore 1.482384+15
−15		(+51)11.5 − 17.5
(+7−13=9)
39.7%
11.5 / 29
0.0%
−20
53.3%
1943
0.78
1036
0 = 1 0 0 0 = = = = 0 = 0 0 1 0 1 1 1 0 1 0 = 0 = 0 0 1 =
–   Ayito 0.2.9942371+16
−16		(+38)13 − 13
(+11−11=4)
50.0%
13.0 / 26
0.0%
+38
53.4%
1919
0.77
1025
1 0 0 1 1 = 1 0 = 0 0 1 1 0 1 = 1 1 0 0 0 1 0 1 = 0
–   Matilde 2008 64-bit2368+15
−15		(+35)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.1%
−9
53.9%
2229
0.74
1201
1 = 0 0 = 0 0 = 1 0 0 = = 1 0 0 = 0 0 1 1 1 0 = = 0 1 1 1 0 0 1
–   Natwarlal 0.142359+17
−17		(+26)15 − 17
(+12−14=6)
46.9%
15.0 / 32
1.3%
+1
52.4%
2584
0.79
1353
= 0 1 1 0 1 0 = 1 0 0 1 1 0 1 0 0 0 0 1 0 = 1 = 1 0 1 0 0 = = 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+22)16.5 − 8.5
(+13−5=7)
66.0%
16.5 / 25
2.1%
+130
53.9%
1695
0.71
914
1 1 1 0 1 1 1 1 = 1 1 1 = = 0 1 = = 0 0 = = 1 0 1
–   Zeus 1.292346+16
−16		(+13)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
12.7%
−18
51.5%
2389
0.64
1230
0 1 = 1 0 1 = = 0 0 = 1 = = 1 1 0 0 1 1 = 0 0 0 1 = 0 0 0 = 1 0
–   Esc 1.162345+15
−15		(+12)13 − 14
(+10−11=6)
48.1%
13.0 / 27
15.0%
−3
53.6%
2068
0.78
1108
1 0 = = 0 0 = 0 1 0 1 = = 0 1 0 0 0 1 1 0 1 1 1 0 = 1
–   Popochin 3.22341+19
−19		(+8)15 − 17
(+11−13=8)
46.9%
15.0 / 32
26.1%
−11
53.4%
2391
0.56
1277
0 0 1 0 = 0 = 1 = = 1 1 = 1 0 0 0 1 = 0 0 1 = 1 0 = 1 0 1 0 0 1
–   Anechka 0.082320+16
−16		(−13)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
88.3%
−25
55.3%
2481
0.65
1373
= 0 0 1 0 0 1 1 1 1 0 0 0 0 = 0 0 = 1 = 1 1 1 0 1 0 = 1 0 1 1 0
–   Dorky 3.482308+16
−16		(−25)13 − 17
(+8−12=10)
43.3%
13.0 / 30
98.9%
−67
54.4%
1818
0.91
989
0 1 0 = 0 0 1 = 0 = 0 = 0 = 1 0 1 0 0 = 1 = = 1 = 0 = 1 0 1
–   CyberPagno 2.1 32MB2295+16
−16		(−38)9.5 − 16.5
(+6−13=7)
36.5%
9.5 / 26
100.0%
−132
55.1%
1684
0.59
928
= 1 = 0 0 = 0 = = 1 0 0 0 0 0 0 0 1 = 0 0 1 = 1 0 1
–   Latista (Sinobyl) 1.52289+16
−16		(−44)14.5 − 15.5
(+11−12=7)
48.3%
14.5 / 30
100.0%
−58
53.3%
2405
0.66
1283
0 0 0 1 1 0 1 1 = 0 0 0 = 1 0 1 1 0 1 1 = 0 = 0 0 1 1 = = =
–   Madeleine 0.22285+15
−15		(−48)15 − 13
(+12−10=6)
53.6%
15.0 / 28
100.0%
−18
54.3%
2065
0.91
1122
0 = 1 0 0 0 1 1 1 1 1 = 1 = 0 0 1 0 = 1 0 1 = 0 = 1 0 1
–   Chispa 4.0.32273+14
−14		(−60)12 − 13
(+9−10=6)
48.0%
12.0 / 25
100.0%
−73
53.2%
1666
0.95
887
1 0 1 1 = = 0 0 0 0 1 1 = 0 1 0 1 0 0 0 = 1 = 1 =
–   Uralochka 1.1b2272+18
−18		(−61)19.5 − 12.5
(+18−11=3)
60.9%
19.5 / 32
100.0%
+25
54.2%
2775
0.64
1503
0 1 0 = 0 1 0 1 1 1 1 1 0 1 = 1 0 0 0 1 0 1 1 1 1 1 0 1 1 1 0 =
–   Atlas 2.202271+17
−17		(−62)16.5 − 11.5
(+13−8=7)
58.9%
16.5 / 28
100.0%
0
  
= 0 = = 1 = 0 1 0 1 1 1 1 = = 0 1 1 1 1 0 1 = 0 1 1 0 0
–   Genesis 2.02247+16
−16		(−86)17 − 9
(+13−5=8)
65.4%
17.0 / 26
100.0%
+22
55.7%
1651
0.65
920
= = 0 1 1 = 0 = 1 1 1 = 1 1 0 = 1 1 1 1 1 = = 0 0 1
–   Lime 662241+18
−18		(−92)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+31
53.7%
2597
0.84
1394
0 1 = 0 0 = 0 1 1 0 1 1 1 1 0 1 1 1 0 1 1 1 = 1 0 0 1 1 1 1 1 =
–   InmiChess 3.06N2241+15
−15		(−92)17.5 − 12.5
(+16−11=3)
58.3%
17.5 / 30
100.0%
−25
52.0%
2171
0.75
1130
0 1 0 1 1 0 1 = 1 0 1 = 0 1 = 1 0 0 1 1 0 0 0 1 1 1 1 0 1 1
–   Nesik 0.7.0 alpha2237+16
−16		(−96)18 − 8
(+15−5=6)
69.2%
18.0 / 26
100.0%
+46
54.6%
2239
0.63
1223
0 1 1 1 1 = 0 = 1 = 1 1 1 1 = 1 0 1 = 1 = 0 0 1 1 1
–   NagaSkaki 5.122232+18
−18		(−101)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−46
54.5%
2223
0.70
1212
0 1 0 0 1 1 1 1 1 1 1 0 = = 0 1 1 1 1 = 1 = = 0 = = 0 = = 0 1 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−101)16.5 − 9.5
(+14−7=5)
63.5%
16.5 / 26
100.0%
+1
50.4%
1858
0.81
936
1 1 1 = 1 1 1 1 1 1 0 = = 0 1 = 1 0 1 0 0 = 1 0 1 0
–   Alarm 0.93.12226+16
−16		(−107)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−5
54.9%
1999
0.98
1098
1 0 1 1 = 1 = 1 1 0 0 1 0 = 0 1 1 1 1 = = = 1 = 1 1 0 1 0 1 0 1
–   Fortress 1.622216+15
−15		(−117)19 − 12
(+16−9=6)
61.3%
19.0 / 31
100.0%
−34
52.5%
2278
0.90
1197
1 = 0 1 0 = 1 1 1 1 0 1 1 1 0 1 1 = 0 0 1 0 0 1 1 = = = 0 1 1
–   WJChess 1.642215+16
−16		(−118)18.5 − 12.5
(+15−9=7)
59.7%
18.5 / 31
100.0%
−45
52.4%
2367
0.74
1241
1 0 = = = 0 = 1 0 = 0 1 0 = 0 1 1 1 1 = 0 1 1 1 0 1 1 1 0 1 1
–   Gk 0.90 64-bit JA2194+16
−16		(−139)16 − 11
(+13−8=6)
59.3%
16.0 / 27
100.0%
−71
48.4%
2301
0.92
1114
0 1 1 0 = 1 = 1 = = = 0 1 1 1 0 0 1 1 1 1 1 0 0 1 = 0
–   Alf 1.09 JA2193+17
−17		(−140)25 − 7
(+24−6=2)
78.1%
25.0 / 32
100.0%
+106
53.1%
2550
0.78
1355
1 1 1 1 1 0 0 1 1 1 1 1 1 = 0 0 1 1 0 1 1 1 1 0 1 1 = 1 1 1 1 1
–   Clarabit 1.00 64-bit2193+18
−18		(−140)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+35
48.8%
2844
0.80
1389
0 1 1 1 1 1 1 0 = 1 0 1 = = 1 0 0 1 0 = 1 1 1 1 1 1 1 1 1 0 1 1
–   Ghost 0.142189+17
−17		(−144)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+55
51.6%
2411
0.96
1245
0 1 1 1 = 1 = 0 0 1 = 1 = = 1 1 1 1 = 1 1 1 1 1 1 0 1 1 = 1 1 1
–   Wing 2.0a2179+16
−16		(−154)19 − 10
(+17−8=4)
65.5%
19.0 / 29
100.0%
−33
53.8%
2164
0.62
1164
1 1 1 1 1 1 1 0 = 1 0 1 = 0 0 1 0 = = 0 1 1 0 0 1 1 1 1 1
–   Uragano 3D 0.872174+16
−16		(−159)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+29
53.8%
1840
0.76
990
1 0 = 1 1 = 1 1 1 1 0 1 1 1 = 1 0 = 1 1 1 = 1 1 1 1 = = = 1 1 =
–   Matheus 2.32144+15
−15		(−189)19.5 − 9.5
(+15−5=9)
67.2%
19.5 / 29
100.0%
−70
54.3%
2043
0.73
1110
1 0 = 1 = = 0 1 = 1 = 0 1 1 1 1 1 0 = 1 1 = 1 1 0 1 1 = =
–   Bodo 0.2b2137+15
−15		(−196)21 − 7
(+20−6=2)
75.0%
21.0 / 28
100.0%
+15
52.0%
1721
0.63
895
1 0 1 1 1 1 1 1 = 1 1 0 1 1 1 1 0 = 1 1 1 0 1 1 0 1 1 0
1562 games in total: 638 wins, 603 losses, 321 draws (20.6%), score: 51.1%
Average opponent: −8.1 (2324.9), average distance to opponent: 87.7

Performance

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

Perf = C + 0.077 [±0.164] * 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