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
Scidlet 3.61 64-bit JA WB#91  (2390+15
−15		)Quote
Author: Shane Hudson (New Zealand) Released: 2004-03-02Link: Homepage
"JA" compile is made by Jim Ablett.
This engine is stable and runs without issues.
This is the only Scidlet version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Quark 2.352536+16
−16		(+146)6 − 15
(+3−12=6)
28.6%
6.0 / 21
0.0%
−2
59.9%
1316
0.85
788
1 = = 0 0 0 0 0 1 0 0 = 1 0 = 0 = 0 0 0 =
–   Dragon 4.62524+16
−16		(+134)10.5 − 16.5
(+7−13=7)
38.9%
10.5 / 27
0.0%
+58
53.4%
1932
0.76
1032
= 0 = 1 = 0 1 0 1 0 0 = 1 0 0 = 0 0 1 0 = 0 0 0 1 1 =
–   Snitch 1.6.2 32-bit2521+15
−15		(+131)8.5 − 14.5
(+5−11=7)
37.0%
8.5 / 23
0.0%
+36
58.5%
1394
0.78
815
= = 1 0 1 0 = 0 0 1 = = 1 0 0 0 0 0 0 0 = 1 =
–   Nejmet 3.072521+16
−16		(+131)6 − 18
(+3−15=6)
25.0%
6.0 / 24
0.0%
−48
59.3%
1873
0.75
1110
0 0 = 0 0 = 1 1 0 0 0 0 0 0 0 0 = 0 1 0 = = 0 =
–   Amy 0.8.7b DC2500+17
−17		(+110)6 − 21
(+5−20=2)
22.2%
6.0 / 27
0.0%
−132
58.3%
2427
0.73
1415
0 = 0 0 1 1 0 0 0 0 1 = 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0
–   KnightDreamer 3.32499+16
−16		(+109)8 − 17
(+5−14=6)
32.0%
8.0 / 25
0.0%
−18
62.2%
1828
0.70
1137
0 1 = 0 0 0 0 0 1 = = 0 1 0 0 0 0 0 1 0 = = 1 0 =
–   Francesca MAD 0.13 Nobook2493+19
−19		(+103)10.5 − 12.5
(+9−11=3)
45.7%
10.5 / 23
0.0%
+69
64.7%
2012
0.84
1301
1 1 0 = = 1 1 0 1 0 1 0 0 0 0 0 0 1 1 0 = 0 1
–   Leila 0.53h2490+17
−17		(+100)7.5 − 15.5
(+4−12=7)
32.6%
7.5 / 23
0.0%
−20
56.4%
1516
1.04
855
= 0 0 = = 0 0 0 1 1 = = 0 1 0 1 0 = 0 = 0 0 0
–   PostModernist 10162480+16
−16		(+90)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+66
63.3%
2361
0.59
1495
0 = 0 0 = 1 = 0 1 1 = = 0 1 0 1 0 1 1 0 0 1 0 1 1 0 0 0 0 = 1 1
–   Djinn 0.925x2479+16
−16		(+89)7.5 − 18.5
(+5−16=5)
28.8%
7.5 / 26
0.0%
−66
55.9%
1836
0.77
1027
0 0 = 0 0 = = 0 0 1 0 = 0 0 1 = 0 0 0 0 1 0 0 1 1 0
–   Comet B682478+14
−14		(+88)9 − 15
(+4−10=10)
37.5%
9.0 / 24
0.0%
+5
58.4%
1341
1.08
783
= 0 1 = 0 1 = 1 0 = 0 = = 0 1 = = 0 = 0 0 0 0 =
–   Sjeng 12.132475+14
−14		(+85)9 − 15
(+5−11=8)
37.5%
9.0 / 24
0.0%
+1
59.0%
1547
1.13
912
0 1 0 = = 1 = 0 = 0 0 = 1 0 = 0 0 1 = 1 = 0 0 0
–   Muse 0.899b2474+16
−16		(+84)10.5 − 18.5
(+6−14=9)
36.2%
10.5 / 29
0.0%
−8
60.0%
1904
0.81
1143
0 0 = = 1 1 1 = 0 0 0 0 = 1 0 = 0 = 0 1 0 0 1 = 0 0 0 = =
–   Patzer 3.802460+16
−16		(+70)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
+7
55.0%
1331
1.28
732
0 0 0 = = 1 0 1 = 0 0 = = 1 = = 1 0 0 1 1 1 1 0 0 = 0 = 0 0 = 0
–   The Crazy Bishop 00522460+15
−15		(+70)9.5 − 15.5
(+7−13=5)
38.0%
9.5 / 25
0.0%
−17
60.1%
2081
0.66
1250
1 1 0 1 1 0 = 0 = 0 1 1 = 0 0 0 0 0 0 0 1 0 = 0 =
–   Gosu 0.162455+16
−16		(+65)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+31
56.2%
2491
0.98
1400
= 1 1 1 0 1 0 = = 1 0 0 1 0 1 = 1 0 = 0 0 1 0 = 1 0 1 0 0 = 0 0
–   Der Bringer 1.92455+15
−15		(+65)10.5 − 16.5
(+8−14=5)
38.9%
10.5 / 27
0.0%
−18
58.8%
2060
0.75
1212
0 1 1 0 1 0 0 0 0 = 0 1 1 0 0 0 1 = 0 1 = 1 = 0 0 0 =
–   Homer 2.012452+17
−17		(+62)16 − 16
(+9−9=14)
50.0%
16.0 / 32
0.0%
+62
55.7%
1542
0.88
859
= = = = = 1 0 = 1 0 = 1 1 1 = 0 1 = = 0 1 0 0 = 1 1 0 0 0 = = =
–   Phalanx XXII Reborn JA2452+15
−15		(+62)10.5 − 14.5
(+8−12=5)
42.0%
10.5 / 25
0.0%
+4
55.2%
1954
0.79
1079
0 0 0 0 0 1 0 0 1 0 = = 1 = 0 1 0 = 1 0 1 = 1 1 0
–   Betsy 6.51 Nobook2450+15
−15		(+60)8.5 − 13.5
(+6−11=5)
38.6%
8.5 / 22
0.0%
−19
58.8%
1678
0.72
987
1 1 1 = 0 1 1 = = 0 0 0 1 0 0 0 0 = = 0 0 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+58)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
0.0%
+8
58.3%
1891
0.88
1102
= = 0 0 1 1 0 1 1 0 0 1 1 = 0 = = 0 0 = = = 0 0 0 = 1 = = 1 0 0
–   Amateur 2.822446+15
−15		(+56)12 − 12
(+9−9=6)
50.0%
12.0 / 24
0.0%
+58
58.9%
1570
1.13
925
1 0 = 0 1 0 0 1 0 0 1 0 1 1 = 1 = 0 0 = 1 1 = =
–   Tytan 9.32 64-bit2429+17
−17		(+39)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−58
  
0 1 1 1 0 0 0 = 0 0 0 1 0 1 1 0 0 = 1 0 = 0 1 0 0 = 0 1 0 0 0 1
–   Sage 3.532424+19
−19		(+34)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.2%
−100
57.5%
1950
1.08
1121
0 0 = = = 1 = 0 0 1 0 0 0 0 0 = = 0 0 0 0 0 1 0 0 = 0 1 1 = 0 1
–   Sorgenkind 0.42421+18
−18		(+31)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.4%
−16
55.2%
2256
1.16
1246
1 0 1 1 0 = = 1 0 0 0 0 0 0 0 1 1 1 = 1 0 = 0 1 0 0 0 1 1 = 0 =
–   Horizon 4.42419+18
−18		(+29)16 − 16
(+11−11=10)
50.0%
16.0 / 32
0.6%
+27
53.6%
1985
1.46
1064
= 1 = 1 1 = 0 = = 0 0 1 1 0 0 1 0 1 0 0 0 = = 0 = 1 1 1 = 0 1 =
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+27)13 − 10
(+12−9=2)
56.5%
13.0 / 23
0.5%
+78
57.6%
1720
0.79
991
0 1 0 1 0 = 0 1 1 0 1 1 = 1 1 1 0 1 0 0 1 0 1
–   Arion 1.72415+16
−16		(+25)10.5 − 11.5
(+9−10=3)
47.7%
10.5 / 22
1.1%
+9
61.5%
2245
0.66
1380
1 1 0 = 0 0 0 1 0 1 1 1 1 = 0 0 0 0 1 = 0 1
–   AICE 0.99.22411+16
−16		(+21)19.5 − 12.5
(+18−11=3)
60.9%
19.5 / 32
2.3%
+107
59.0%
2261
0.89
1334
0 1 1 1 1 = 1 1 0 0 1 0 0 = 1 = 1 0 0 1 1 0 1 1 0 1 1 1 0 1 0 1
–   Chezzz 1.0.32409+15
−15		(+19)13.5 − 10.5
(+12−9=3)
56.3%
13.5 / 24
3.6%
+66
56.2%
2066
0.67
1161
1 0 1 1 1 1 0 1 = 0 0 1 0 0 0 1 0 1 1 = = 1 0 1
–   Asterisk 0.62402+17
−17		(+12)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
13.9%
+69
57.9%
2352
0.70
1361
1 0 1 = 0 1 0 1 = 0 1 1 0 = 0 = 1 1 0 = 1 1 = 1 1 0 = 1 0 1 1 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+12)13.5 − 10.5
(+11−8=5)
56.3%
13.5 / 24
13.2%
+62
52.6%
2501
0.85
1316
0 0 1 0 1 = 0 = 1 1 0 = 1 1 0 1 1 1 0 1 1 0 = =
–   Averno 0.812396+15
−15		(+6)12.5 − 15.5
(+10−13=5)
44.6%
12.5 / 28
27.9%
−33
55.5%
2229
0.73
1238
1 = 0 0 1 0 1 0 0 0 1 0 0 0 1 0 0 = 1 1 = = 0 = 1 1 0 1
–   KnightX 1.922385+15
−15		(−5)15 − 9
(+11−5=8)
62.5%
15.0 / 24
70.4%
+78
55.4%
1573
0.63
872
= 1 0 1 = 1 = 0 = 1 1 0 1 1 1 1 0 = = 0 = 1 1 =
–   Eeyore 1.482384+15
−15		(−6)13 − 13
(+10−10=6)
50.0%
13.0 / 26
72.4%
−6
62.5%
1867
0.69
1166
0 0 1 0 0 0 1 0 1 0 1 1 = = = 1 1 = = 0 0 1 1 0 = 1
–   Ayito 0.2.9942371+16
−16		(−19)18 − 12
(+14−8=8)
60.0%
18.0 / 30
96.5%
+49
58.6%
2394
0.68
1404
0 = = 0 = = = 0 0 1 0 1 = 1 1 1 0 1 1 1 1 = 1 1 0 = 1 0 1 1
–   Matilde 2008 64-bit2368+15
−15		(−22)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
98.3%
−10
60.0%
2337
0.69
1402
1 1 1 = 1 1 = 0 0 = 1 = = 0 = 0 1 0 0 0 0 1 1 1 0 0 = 0 1 1 1 0
–   Natwarlal 0.142359+17
−17		(−31)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
99.8%
−40
60.1%
2320
0.70
1394
1 0 1 0 0 0 1 0 = = 1 = 0 = 1 = 1 0 1 = = 0 1 = 1 0 1 0 = 0 1 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−35)12.5 − 15.5
(+10−13=5)
44.6%
12.5 / 28
100.0%
−77
60.1%
2243
0.72
1347
1 0 1 1 0 0 = 0 = 1 0 1 1 0 = = 0 1 0 0 1 = 0 0 1 0 0 1
–   Zeus 1.292346+16
−16		(−44)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
100.0%
−54
58.1%
1973
0.87
1147
1 1 1 = 0 = 1 1 0 0 0 0 = 0 0 = 1 0 = 0 1 = 1 = = 1 = = = 0 1 0
–   Esc 1.162345+15
−15		(−45)13 − 12
(+12−11=2)
52.0%
13.0 / 25
100.0%
−32
57.2%
2295
0.68
1312
= 0 1 0 0 0 1 0 1 1 1 = 0 0 0 1 1 0 1 0 1 0 1 1 1
–   Popochin 3.22341+19
−19		(−49)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
100.0%
+12
61.6%
2596
0.60
1600
1 1 1 0 0 1 = 1 = 0 0 0 0 1 = 1 1 1 1 1 0 0 = = 0 1 1 1 1 0 0 1
–   ANT 2006-F2333+16
−16		(−57)16 − 11
(+14−9=4)
59.3%
16.0 / 27
100.0%
+13
53.4%
1892
0.75
1011
0 1 = 1 1 = 1 0 0 1 0 1 0 1 1 0 = 1 0 1 1 = 0 1 1 0 1
–   GNU Chess 5.07 64-bit JA2332+22
−22		(−58)15.5 − 10.5
(+13−8=5)
59.6%
15.5 / 26
100.0%
+10
53.5%
1468
0.76
786
1 1 1 0 1 0 = 1 1 0 1 1 = 0 1 = 1 1 0 0 0 0 1 = 1 =
–   Anechka 0.082320+16
−16		(−70)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−49
58.9%
2522
0.70
1486
0 0 0 1 1 0 0 0 1 1 1 = 1 0 1 = 1 = 0 = 0 0 1 0 1 1 = = = = 1 1
–   Dorky 3.482308+16
−16		(−82)14 − 10
(+12−8=4)
58.3%
14.0 / 24
100.0%
−22
59.3%
1508
0.96
894
1 1 = 1 1 0 0 1 0 1 1 0 = 1 1 0 0 = 1 1 1 = 0 0
–   CyberPagno 2.1 32MB2295+16
−16		(−95)18.5 − 9.5
(+15−6=7)
66.1%
18.5 / 28
100.0%
+18
59.6%
2126
0.71
1267
= 1 1 0 1 1 = 1 0 = 1 1 = = = 0 1 0 1 1 = 1 1 0 0 1 1 1
–   Latista (Sinobyl) 1.52289+16
−16		(−101)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
100.0%
−67
58.8%
1664
0.72
979
0 = 1 1 1 0 1 1 = 1 0 0 1 = = 0 1 = = 1 = 1 = 0 0 =
–   Madeleine 0.22285+15
−15		(−105)17 − 5
(+15−3=4)
77.3%
17.0 / 22
100.0%
+109
55.4%
1571
0.97
871
1 1 1 = = 1 1 1 1 1 0 1 1 = 1 1 0 1 0 1 = 1
–   Chispa 4.0.32273+14
−14		(−117)19.5 − 7.5
(+13−1=13)
72.2%
19.5 / 27
100.0%
+15
58.8%
1208
0.74
710
1 = 1 1 1 = 0 1 1 = 1 = = 1 1 1 = 1 1 = = = = 1 = = =
–   Uralochka 1.1b2272+18
−18		(−118)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
−50
54.0%
1788
0.93
965
0 = = = 0 1 0 = = = 1 = = = 1 1 = 1 = 1 0 1 1 1 1 1 0 0 1 1 = =
–   Atlas 2.202271+17
−17		(−119)13 − 12
(+11−10=4)
52.0%
13.0 / 25
100.0%
−107
  
= 0 1 1 0 0 1 0 = 0 1 0 0 1 0 1 0 1 1 = 0 1 1 1 =
–   Genesis 2.02247+16
−16		(−143)17 − 9
(+13−5=8)
65.4%
17.0 / 26
100.0%
−39
63.1%
1787
0.79
1127
= 1 0 = 1 = 1 0 1 = = 0 0 0 1 1 1 1 = 1 1 = = 1 1 1
–   InmiChess 3.06N2241+15
−15		(−149)18 − 9
(+14−5=8)
66.7%
18.0 / 27
100.0%
−37
59.2%
1580
1.05
935
= 1 0 0 1 1 1 = = 1 = = 1 1 = 0 1 1 = 0 0 1 1 = 1 1 1
–   Nesik 0.7.0 alpha2237+16
−16		(−153)20 − 6
(+18−4=4)
76.9%
20.0 / 26
100.0%
+63
59.5%
2249
0.82
1339
1 = = 1 1 1 0 0 1 1 0 1 1 1 1 1 1 = 1 1 = 1 1 1 1 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−158)14 − 6
(+12−4=4)
70.0%
14.0 / 20
100.0%
−9
53.5%
1479
0.89
792
1 1 = 0 0 = = 1 1 1 1 1 1 0 1 1 = 1 0 1
–   Alarm 0.93.12226+16
−16		(−164)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
−32
59.3%
2349
0.98
1393
0 = 1 1 1 0 1 1 1 1 1 1 0 0 1 0 1 1 = 1 0 1 0 1 = 1 1 = 1 1 = 0
–   Fortress 1.622216+15
−15		(−174)15 − 7
(+14−6=2)
68.2%
15.0 / 22
100.0%
−24
57.3%
1777
0.87
1019
0 1 1 0 1 1 0 = 0 1 1 1 0 0 1 1 1 1 1 1 = 1
–   WJChess 1.642215+16
−16		(−175)21 − 6
(+19−4=4)
77.8%
21.0 / 27
100.0%
+46
62.9%
1916
0.81
1205
= 1 1 1 1 1 1 1 1 1 1 1 1 = = = 1 1 0 1 1 1 1 1 0 0 0
–   Gk 0.90 64-bit JA2194+16
−16		(−196)19.5 − 4.5
(+17−2=5)
81.3%
19.5 / 24
100.0%
+46
55.4%
1933
0.85
1070
1 1 1 = 1 1 = 1 1 = 1 0 1 1 0 1 = 1 1 1 = 1 1 1
–   Wing 2.0a2179+16
−16		(−211)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+45
55.1%
2234
0.62
1230
1 1 1 1 1 = 1 1 1 1 = 0 1 1 1 1 1 1 = 1 = 1 1 = 1 1 = 1 1 = = 1
–   Matheus 2.32144+15
−15		(−246)18 − 9
(+17−8=2)
66.7%
18.0 / 27
100.0%
−108
59.8%
2336
0.85
1396
1 1 = 0 1 1 1 1 0 0 1 1 1 1 0 1 1 1 1 0 0 0 0 1 1 = 1
–   Bodo 0.2b2137+15
−15		(−253)21.5 − 4.5
(+20−3=3)
82.7%
21.5 / 26
100.0%
+24
55.6%
1647
0.63
915
0 1 1 1 = 1 1 0 1 1 1 1 = 1 0 1 1 1 1 1 1 = 1 1 1 1
–   Bestia 0.902122+15
−15		(−268)21 − 3
(+21−3=0)
87.5%
21.0 / 24
100.0%
+118
60.2%
2244
0.82
1350
1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 0 1 1 1
–   Ax 0.82119+15
−15		(−271)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
100.0%
−87
  
1 1 1 0 1 0 1 = 1 1 0 1 1 1 = 1 1 = 1 1 1 0 1 0
–   DelphiMax 2.92102+16
−16		(−288)21 − 5
(+21−5=0)
80.8%
21.0 / 26
100.0%
+4
57.9%
2594
1.03
1501
1 1 0 1 0 0 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1
1785 games in total: 752 wins, 639 losses, 394 draws (22.1%), score: 53.2%
Average opponent: −26.8 (2363.2), average distance to opponent: 92.1

Performance

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

Perf = C + 0.026 [±0.117] * 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