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
Averno 0.81 WB#90  (2396+15
−15		)Quote
Author: Jose Carlos Martinez Galan (Spain) Released: 2005-03-20Link: WBEC
Issues with this engine: Occasional losses on time.
This is the only Averno version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Quark 2.352536+16
−16		(+140)8.5 − 19.5
(+5−16=7)
30.4%
8.5 / 28
0.0%
0
52.9%
1693
0.81
895
0 1 0 1 0 0 0 = 0 0 = 0 = 0 0 0 0 0 = = 0 1 1 1 0 0 = =
–   Dragon 4.62524+16
−16		(+128)6.5 − 13.5
(+3−10=7)
32.5%
6.5 / 20
0.0%
+18
55.5%
1352
0.61
751
= = 0 = 0 = 1 0 0 0 0 = 0 0 = 0 1 = 1 0
–   Snitch 1.6.2 32-bit2521+15
−15		(+125)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
+35
52.8%
1652
0.84
873
= 0 0 0 = 1 = 1 1 = 0 0 0 1 0 0 0 = 1 1 0 0 = 0 0 0 = 1
–   Nejmet 3.072521+16
−16		(+125)7.5 − 13.5
(+3−9=9)
35.7%
7.5 / 21
0.0%
+37
50.3%
1387
0.55
697
1 0 = 0 0 = = = 0 = = 1 = = 0 0 0 = 0 1 0
–   Amy 0.8.7b DC2500+17
−17		(+104)8.5 − 17.5
(+6−15=5)
32.7%
8.5 / 26
0.0%
−26
54.4%
1793
0.68
976
0 0 0 0 0 1 1 1 0 = = 0 0 1 = 1 0 1 0 0 = = 0 0 0 0
–   KnightDreamer 3.32499+16
−16		(+103)8.5 − 18.5
(+3−13=11)
31.5%
8.5 / 27
0.0%
−14
53.3%
1468
0.63
783
= 0 0 = 0 = 0 = 0 0 = 1 = = = 0 0 0 1 = 0 = 0 1 0 = 0
–   Francesca MAD 0.13 Nobook2493+19
−19		(+97)9 − 16
(+7−14=4)
36.0%
9.0 / 25
0.0%
−11
59.0%
1822
0.82
1075
1 = 0 0 = 0 0 0 0 1 1 0 1 0 0 0 0 1 0 1 = 1 0 = 0
–   Leila 0.53h2490+17
−17		(+94)11.5 − 15.5
(+7−11=9)
42.6%
11.5 / 27
0.0%
+44
54.2%
1535
0.62
832
= = = = 0 0 0 0 0 = 0 = = 1 1 1 = 1 0 0 0 0 = 0 1 1 1
–   Diablo 0.5.1 JA2482+16
−16		(+86)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
−17
54.9%
2211
0.62
1214
= = = = 1 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 1 = 0 = = 0
–   PostModernist 10162480+16
−16		(+84)7.5 − 24.5
(+3−20=9)
23.4%
7.5 / 32
0.0%
−105
57.7%
2014
0.81
1162
0 = 1 = 0 0 0 0 0 = 0 0 1 1 0 = 0 0 0 0 0 = = 0 = 0 = 0 0 0 0 =
–   Djinn 0.925x2479+16
−16		(+83)13 − 14
(+9−10=8)
48.1%
13.0 / 27
0.0%
+71
51.6%
1528
0.66
788
0 = 0 1 0 = 1 = 0 1 0 0 1 0 0 = 0 = = 1 = 0 1 1 = 1 1
–   Comet B682478+14
−14		(+82)13.5 − 12.5
(+10−9=7)
51.9%
13.5 / 26
0.0%
+94
56.6%
1692
0.77
957
1 0 = 1 1 0 = 1 1 0 1 0 0 = = 1 1 0 1 0 = = = 0 1 0
–   Sjeng 12.132475+14
−14		(+79)10.5 − 16.5
(+7−13=7)
38.9%
10.5 / 27
0.0%
0
53.6%
1837
0.80
985
0 0 = 1 0 = 1 = = = 0 1 0 0 1 0 0 1 0 1 0 = 0 0 1 0 =
–   Muse 0.899b2474+16
−16		(+78)7.5 − 14.5
(+4−11=7)
34.1%
7.5 / 22
0.0%
−27
51.8%
1229
0.69
637
1 0 0 = 0 0 = = 0 0 = 0 = 1 1 0 = 0 = 0 0 1
–   Patzer 3.802460+16
−16		(+64)15 − 17
(+11−13=8)
46.9%
15.0 / 32
0.0%
+40
49.4%
2487
1.04
1228
= 1 0 1 1 0 1 0 1 0 = 1 0 = = = 1 1 1 0 0 1 0 1 0 0 0 = 0 = 0 =
–   The Crazy Bishop 00522460+15
−15		(+64)11.5 − 15.5
(+9−13=5)
42.6%
11.5 / 27
0.0%
+8
57.3%
2046
0.44
1172
1 1 0 1 0 1 1 0 1 0 = 0 0 1 = = 0 = = 0 0 0 1 0 0 0 1
–   Gosu 0.162455+16
−16		(+59)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
−29
51.5%
2578
0.83
1328
0 1 = 1 0 0 1 0 = = = 1 0 0 = 0 0 1 0 1 0 = 1 0 0 = 1 = 0 0 0 0
–   Der Bringer 1.92455+15
−15		(+59)9 − 18
(+4−13=10)
33.3%
9.0 / 27
0.0%
−46
55.2%
1688
0.56
932
0 = = 0 0 = = 0 = = = = = 0 0 0 1 0 0 0 1 1 1 0 0 = 0
–   Homer 2.012452+17
−17		(+56)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+23
51.9%
2118
0.92
1099
0 0 = 0 0 1 0 0 = = 1 = 1 1 0 1 0 1 0 = 0 0 0 1 0 1 = = = 1 1 =
–   Phalanx XXII Reborn JA2452+15
−15		(+56)11 − 17
(+8−14=6)
39.3%
11.0 / 28
0.0%
−22
53.0%
1923
0.59
1019
= = 1 0 0 0 0 1 0 = 0 = = 1 1 1 = 1 0 0 1 0 1 0 0 0 0 0
–   Betsy 6.51 Nobook2450+15
−15		(+54)9 − 20
(+5−16=8)
31.0%
9.0 / 29
0.0%
−78
54.1%
1957
0.75
1059
0 = = 0 0 = = 1 1 0 1 = 0 0 0 0 0 0 0 1 = 1 0 0 0 = 0 0 =
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+52)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
−48
50.7%
2355
0.77
1194
= 0 0 = 1 1 0 0 = 0 0 0 0 0 1 1 0 1 0 0 = = = 0 = 0 1 0 0 1 0 1
–   Amateur 2.822446+15
−15		(+50)11.5 − 17.5
(+8−14=7)
39.7%
11.5 / 29
0.0%
−24
54.0%
1880
1.00
1016
= = 0 1 0 1 0 0 = 0 1 = 0 0 = 0 1 = 0 1 0 0 0 1 0 1 1 0 =
–   Tytan 9.32 64-bit2429+17
−17		(+33)15 − 17
(+11−13=8)
46.9%
15.0 / 32
0.2%
+10
  
= 0 = 0 0 1 = 0 1 1 1 = 1 0 0 1 1 0 0 0 1 = 1 0 0 = 1 0 = 0 1 =
–   Sage 3.532424+19
−19		(+28)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.7%
−60
52.6%
1870
0.97
983
0 = = = 1 0 0 0 = = 1 1 0 0 0 1 = 0 0 0 0 1 1 0 0 0 = = 0 1 0 1
–   Sorgenkind 0.42421+18
−18		(+25)18 − 14
(+15−11=6)
56.3%
18.0 / 32
1.6%
+69
47.9%
2744
1.24
1315
1 0 1 = 1 = 1 = 1 0 0 0 0 0 1 1 1 1 0 1 = 1 1 = 1 0 1 = 0 0 0 1
–   Horizon 4.42419+18
−18		(+23)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
2.2%
+56
51.4%
1882
1.31
967
= 0 = = 0 = 1 1 1 1 1 1 = 0 1 0 = 1 0 0 0 0 0 1 = 1 1 1 0 = = 1
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+21)14.5 − 10.5
(+12−8=5)
58.0%
14.5 / 25
2.0%
+81
57.4%
1722
0.74
988
= = 1 1 1 = = 0 0 0 0 0 1 1 0 0 1 1 = 1 1 0 1 1 1
–   Arion 1.72415+16
−16		(+19)15 − 13
(+12−10=6)
53.6%
15.0 / 28
3.9%
+46
58.6%
2053
0.62
1204
0 1 0 1 = 0 = 0 1 1 0 = = 1 1 1 0 1 0 1 0 0 = 1 1 1 = 0
–   AICE 0.99.22411+16
−16		(+15)16 − 16
(+11−11=10)
50.0%
16.0 / 32
7.5%
+16
51.9%
1950
0.81
1013
0 0 0 0 1 1 = = = 1 = 1 0 0 1 = = 1 0 0 1 = = = 0 1 0 1 0 1 = 1
–   Chezzz 1.0.32409+15
−15		(+13)10.5 − 13.5
(+9−12=3)
43.8%
10.5 / 24
10.9%
−35
51.8%
1893
0.64
981
0 0 1 = 0 0 1 1 1 = = 1 0 0 0 1 0 0 1 1 0 1 0 0
–   Asterisk 0.62402+17
−17		(+6)17 − 15
(+13−11=8)
53.1%
17.0 / 32
29.4%
+29
55.7%
2678
0.68
1491
1 1 = = 1 0 0 1 0 1 1 1 1 = 1 1 0 0 = 0 = = = 0 1 1 0 0 = 0 0 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+6)11.5 − 9.5
(+8−6=7)
54.8%
11.5 / 21
28.5%
+39
55.8%
1223
0.52
682
1 = 1 1 1 = 1 0 0 = 0 1 = 1 0 0 = = = 1 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(−6)15.5 − 12.5
(+13−10=5)
55.4%
15.5 / 28
72.1%
+33
55.5%
2229
0.73
1238
0 = 1 1 0 1 0 1 1 1 0 1 1 1 0 1 1 = 0 0 = = 1 = 0 0 1 0
–   KnightX 1.922385+15
−15		(−11)19.5 − 8.5
(+18−7=3)
69.6%
19.5 / 28
86.8%
+146
54.6%
2493
0.64
1362
1 1 = 1 1 0 1 1 = 1 1 1 0 1 1 = 0 0 1 1 0 0 1 1 1 1 0 1
–   Eeyore 1.482384+15
−15		(−12)13 − 13
(+10−10=6)
50.0%
13.0 / 26
88.2%
−9
55.4%
1962
0.78
1086
1 1 = 1 1 0 0 = 0 0 0 = 0 = 1 1 = 0 1 0 1 0 0 1 = 1
–   Ayito 0.2.9942371+16
−16		(−25)13.5 − 17.5
(+10−14=7)
43.5%
13.5 / 31
99.2%
−70
48.4%
2790
0.74
1351
0 1 0 = 1 0 1 1 = 0 1 0 0 1 0 0 = = = 1 1 1 0 0 = = 1 0 0 0 0
–   Matilde 2008 64-bit2368+15
−15		(−28)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
99.7%
−136
51.8%
2244
0.79
1162
0 1 1 1 1 1 0 0 1 = 0 0 1 1 0 1 0 = 0 0 0 0 0 0 = 0 0 0 = = 0 0
–   Natwarlal 0.142359+17
−17		(−37)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
100.0%
+24
55.1%
2657
0.83
1463
1 0 = = 0 1 1 1 1 1 0 1 = 0 1 1 1 1 1 1 1 0 0 1 = 0 1 0 = 0 0 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−41)15.5 − 11.5
(+12−8=7)
57.4%
15.5 / 27
100.0%
+12
55.5%
1979
0.71
1099
= 0 1 0 0 1 0 = 0 1 0 = 1 = 0 1 1 1 1 1 1 1 = = 0 = 1
–   Zeus 1.292346+16
−16		(−50)15 − 17
(+12−14=6)
46.9%
15.0 / 32
100.0%
−72
53.0%
2341
0.88
1241
0 0 = 0 1 0 0 1 = 1 1 0 0 0 = = 0 0 1 0 0 1 1 1 0 0 = = 1 1 1 1
–   Esc 1.162345+15
−15		(−51)14.5 − 8.5
(+12−6=5)
63.0%
14.5 / 23
100.0%
+38
55.3%
1836
0.73
1015
0 0 1 0 0 1 = 1 = 1 1 1 0 1 = 1 = 0 = 1 1 1 1
–   Popochin 3.22341+19
−19		(−55)17 − 15
(+12−10=10)
53.1%
17.0 / 32
100.0%
−34
53.3%
1865
0.56
994
0 = 1 1 = = = 1 0 = 0 1 0 1 0 1 0 1 = = 0 1 1 0 = 1 0 = = 0 1 1
–   ANT 2006-F2333+16
−16		(−63)13 − 14
(+11−12=4)
48.1%
13.0 / 27
100.0%
−77
48.3%
2554
0.79
1233
0 0 = = 1 0 1 1 1 1 0 1 0 = 1 0 0 0 1 1 = 1 0 0 1 0 0
–   GNU Chess 5.07 64-bit JA2332+22
−22		(−64)15 − 10
(+12−7=6)
60.0%
15.0 / 25
100.0%
+5
51.9%
1362
0.63
707
1 1 1 1 1 1 1 0 1 1 0 = = 1 0 = = 1 0 0 = 1 0 = 0
–   Anechka 0.082320+16
−16		(−76)20 − 12
(+14−6=12)
62.5%
20.0 / 32
100.0%
+4
51.3%
2203
0.61
1131
1 = 1 1 = 1 1 0 0 1 = 1 0 1 = 0 1 = = = = 1 1 0 1 = = = = 1 1 0
–   Dorky 3.482308+16
−16		(−88)9 − 13
(+7−11=4)
40.9%
9.0 / 22
100.0%
−157
52.9%
1750
1.08
926
0 1 1 0 0 0 1 = 0 0 0 = 1 0 1 = 0 1 0 0 1 =
–   CyberPagno 2.1 32MB2295+16
−16		(−101)15 − 11
(+12−8=6)
57.7%
15.0 / 26
100.0%
−47
55.1%
1758
0.63
969
1 0 = 1 = 0 = 1 1 1 0 1 1 = 1 0 = 0 = 1 0 1 0 1 1 0
–   Latista (Sinobyl) 1.52289+16
−16		(−107)18.5 − 6.5
(+15−3=7)
74.0%
18.5 / 25
100.0%
+58
49.7%
1914
0.65
951
1 = 1 1 1 0 1 1 1 1 1 0 1 = 1 1 1 = 1 1 = = 0 = =
–   Madeleine 0.22285+15
−15		(−111)15 − 9
(+13−7=4)
62.5%
15.0 / 24
100.0%
−18
56.1%
1838
0.75
1031
1 1 0 0 0 1 = 0 0 1 1 1 1 = 0 1 1 1 0 1 = = 1 1
–   Chispa 4.0.32273+14
−14		(−123)17.5 − 10.5
(+12−5=11)
62.5%
17.5 / 28
100.0%
−40
52.3%
1330
0.84
696
= = 1 = = = 0 0 1 = 1 0 1 0 = 1 1 = 0 1 = 1 1 = 1 1 = 1
–   Uralochka 1.1b2272+18
−18		(−124)24.5 − 7.5
(+23−6=3)
76.6%
24.5 / 32
100.0%
+101
52.4%
2804
0.68
1470
1 1 1 = 1 1 1 1 0 1 1 1 1 = 1 1 1 0 1 1 1 1 1 0 0 1 0 = 1 1 0 1
–   Atlas 2.202271+17
−17		(−125)15 − 10
(+13−8=4)
60.0%
15.0 / 25
100.0%
−44
  
= 1 1 0 1 0 0 = 0 1 1 1 = 0 0 0 1 1 0 1 1 1 1 = 1
–   Genesis 2.02247+16
−16		(−149)17.5 − 10.5
(+15−8=5)
62.5%
17.5 / 28
100.0%
−54
59.3%
2159
0.60
1281
1 0 0 1 0 1 1 1 1 1 1 = = 0 = 1 = 1 1 0 1 0 1 1 0 0 = 1
–   InmiChess 3.06N2241+15
−15		(−155)19 − 5
(+16−2=6)
79.2%
19.0 / 24
100.0%
+57
51.2%
1758
0.71
900
1 1 0 = 1 1 1 1 1 1 = 1 1 = = = 1 1 0 1 1 1 1 =
–   Nesik 0.7.0 alpha2237+16
−16		(−159)18.5 − 9.5
(+14−5=9)
66.1%
18.5 / 28
100.0%
−49
56.1%
1639
0.51
920
1 0 0 = 1 = 1 = 1 0 1 1 1 1 0 = = = 1 = 0 1 1 = 1 1 1 =
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−164)20 − 8
(+19−7=2)
71.4%
20.0 / 28
100.0%
+16
49.2%
2374
0.76
1167
1 0 0 1 1 0 0 1 1 1 = 1 1 1 1 1 0 1 1 1 1 1 1 0 0 = 1 1
–   Fortress 1.622216+15
−15		(−180)22.5 − 4.5
(+20−2=5)
83.3%
22.5 / 27
100.0%
+84
50.2%
2197
0.90
1103
= 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = = 1 1 1 1 1 1 = 1 0 0
–   WJChess 1.642215+16
−16		(−181)21 − 7
(+18−4=6)
75.0%
21.0 / 28
100.0%
+6
57.5%
1689
0.61
971
1 = = = 1 1 1 1 1 = 0 1 1 1 1 0 0 = = 1 1 1 1 1 0 1 1 1
–   Gk 0.90 64-bit JA2194+16
−16		(−202)24 − 5
(+19−0=10)
82.8%
24.0 / 29
100.0%
+21
52.6%
1992
0.84
1048
1 1 1 1 1 = 1 = 1 1 = = 1 = 1 1 1 = = 1 = 1 1 1 = 1 1 1 =
–   Wing 2.0a2179+16
−16		(−217)23.5 − 3.5
(+23−3=1)
87.0%
23.5 / 27
100.0%
+142
51.8%
1958
0.64
1015
1 1 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0
–   Matheus 2.32144+15
−15		(−252)23.5 − 7.5
(+18−2=11)
75.8%
23.5 / 31
100.0%
−80
56.3%
1664
0.87
937
1 = = = = = 1 = = 1 1 1 1 1 0 1 = 1 = 1 1 = 1 1 = 1 0 1 1 1 1
–   Bodo 0.2b2137+15
−15		(−259)19 − 4
(+17−2=4)
82.6%
19.0 / 23
100.0%
+3
52.0%
1461
0.58
759
1 0 1 1 1 1 1 = 1 1 = 1 1 0 1 = = 1 1 1 1 1 1
–   Bestia 0.902122+15
−15		(−274)22.5 − 3.5
(+22−3=1)
86.5%
22.5 / 26
100.0%
+74
56.8%
1852
0.90
1052
= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 0 1
–   Ax 0.82119+15
−15		(−277)22.5 − 4.5
(+21−3=3)
83.3%
22.5 / 27
100.0%
+7
  
1 1 1 1 0 0 1 1 1 = = 1 1 1 1 1 1 = 1 1 1 1 1 1 1 0 1
–   DelphiMax 2.92102+16
−16		(−294)27.5 − 2.5
(+26−1=3)
91.7%
27.5 / 30
100.0%
+101
58.6%
1877
0.75
1099
1 0 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1
1839 games in total: 769 wins, 642 losses, 428 draws (23.3%), score: 53.5%
Average opponent: −29.1 (2366.9), average distance to opponent: 91.8

Performance

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

Perf = C − 0.051 [±0.127] * 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