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
Dorky 3.48 WB#103  (2308+16
−16
)Quote
Author: Matt McKnight (USA) Released: 2003-09-25Link: Homepage
Issues with this engine: Dorky 3.48 loses on time often. It is also prone to crashes when it has lost position.
This is the only Dorky version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Leila 0.53h2490+17
−17
(+182)3 − 26
(+2−25=2)
10.3%
3.0 / 29
0.0%
−199
55.5%
2048
0.87
1136
0 0 0 0 0 0 0 0 0 1 = 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 0 1 0
–   Sjeng 12.132475+14
−14
(+167)7 − 17
(+5−15=4)
29.2%
7.0 / 24
0.0%
+11
62.0%
1522
0.79
944
0 1 1 0 0 0 = 0 0 0 1 0 0 1 = 0 1 0 0 = 0 = 0 0
–   The Crazy Bishop 00522460+15
−15
(+152)5 − 19
(+3−17=4)
20.8%
5.0 / 24
0.0%
−79
54.1%
2061
0.90
1116
0 0 = 0 1 1 0 0 0 0 0 0 1 = 0 0 = 0 0 0 = 0 0 0
–   Der Bringer 1.92455+15
−15
(+147)5 − 19
(+2−16=6)
20.8%
5.0 / 24
0.0%
−66
57.9%
1430
0.79
828
= 1 0 0 0 1 = 0 0 0 0 0 0 0 = 0 = = 0 0 0 = 0 0
–   Gosu 0.162455+16
−16
(+147)8 − 24
(+3−19=10)
25.0%
8.0 / 32
0.0%
−24
52.5%
2404
1.00
1262
0 0 1 0 0 = = = 0 0 0 0 = 0 = 0 0 0 = 1 = 0 0 0 0 = = 0 1 = 0 0
–   Phalanx XXII Reborn JA2452+15
−15
(+144)8.5 − 14.5
(+8−14=1)
37.0%
8.5 / 23
0.0%
+28
53.5%
1663
0.98
890
1 1 0 1 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 = 0 0 1
–   Betsy 6.51 Nobook2450+15
−15
(+142)5.5 − 22.5
(+3−20=5)
19.6%
5.5 / 28
0.0%
−96
59.8%
2066
0.93
1235
0 0 0 = 0 = 1 0 0 0 0 = 0 0 = 1 0 0 0 0 0 = 0 0 0 0 1 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16
(+140)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
−52
53.2%
2134
0.76
1135
1 0 = 0 = 0 1 0 1 0 0 = 0 0 = 0 0 0 1 0 0 = 0 0 0 0 0 = 1 0 0 0
–   Amateur 2.822446+15
−15
(+138)12.5 − 16.5
(+10−14=5)
43.1%
12.5 / 29
0.0%
+86
54.4%
2627
1.33
1428
0 1 0 1 0 1 0 0 1 0 1 0 0 1 = 0 1 0 = = 0 1 = = 1 0 1 0 0
–   Thor's Hammer 2.28 32-bit2417+15
−15
(+109)13.5 − 17.5
(+11−15=5)
43.5%
13.5 / 31
0.0%
+62
55.9%
2356
0.86
1316
= 1 0 0 0 0 0 0 = 1 0 0 1 1 1 = 1 0 0 0 0 = 0 0 1 1 1 0 1 1 =
–   Arion 1.72415+16
−16
(+107)9 − 20
(+4−15=10)
31.0%
9.0 / 29
0.0%
−19
60.2%
1782
0.82
1072
= = 0 = = 0 0 0 1 = = 1 0 0 0 = = 0 0 0 0 0 1 = = 0 0 1 0
–   AICE 0.99.22411+16
−16
(+103)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
+10
52.8%
2167
1.28
1145
= 0 0 0 0 1 0 1 1 0 1 0 0 1 = 1 = = 1 = 0 1 0 = 0 0 0 0 0 0 0 1
–   Chezzz 1.0.32409+15
−15
(+101)7 − 18
(+5−16=4)
28.0%
7.0 / 25
0.0%
−68
53.6%
2074
1.04
1112
0 0 0 = 0 0 0 0 0 0 1 = = 0 0 = 0 1 0 1 0 0 0 1 1
–   Asterisk 0.62402+17
−17
(+94)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+61
56.9%
2154
0.72
1226
= = 0 1 1 0 0 0 0 = = 1 0 = 1 0 0 1 = = 1 0 0 1 0 1 = = 1 = 0 =
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(+94)8 − 17
(+7−16=2)
32.0%
8.0 / 25
0.0%
−56
54.3%
2540
0.83
1380
0 1 0 0 = 0 0 1 0 1 0 0 0 0 0 0 = 0 0 1 1 0 1 1 0
–   Averno 0.812396+15
−15
(+88)13 − 9
(+11−7=4)
59.1%
13.0 / 22
0.0%
+157
52.9%
1750
1.08
926
1 0 0 1 1 1 0 = 1 1 1 = 0 1 0 = 1 0 1 1 0 =
–   Scidlet 3.61 64-bit JA2390+15
−15
(+82)10 − 14
(+8−12=4)
41.7%
10.0 / 24
0.0%
+22
59.3%
1508
0.96
894
0 0 = 0 0 1 1 0 1 0 0 1 = 0 0 1 1 = 0 0 0 = 1 1
–   KnightX 1.922385+15
−15
(+77)6.5 − 21.5
(+3−18=7)
23.2%
6.5 / 28
0.0%
−118
56.6%
1916
0.86
1084
0 0 0 0 0 0 = = 1 0 = = 0 0 0 = 0 0 0 0 = 1 0 0 0 0 1 =
–   Eeyore 1.482384+15
−15
(+76)9.5 − 16.5
(+7−14=5)
36.5%
9.5 / 26
0.0%
−23
57.7%
2216
1.11
1279
0 1 0 = = 0 0 1 0 1 0 = 1 = 0 0 0 1 0 0 0 = 1 1 0 0
–   Ayito 0.2.9942371+16
−16
(+63)5 − 23
(+3−21=4)
17.9%
5.0 / 28
0.0%
−199
54.4%
2515
0.95
1368
0 0 0 0 0 = 0 = 0 0 0 0 0 0 0 1 0 0 0 0 0 0 = 1 = 0 0 1
–   Matilde 2008 64-bit2368+15
−15
(+60)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+71
58.0%
2283
1.23
1324
1 0 1 = = = 1 0 1 1 = = 1 1 1 0 1 0 0 0 0 0 = 0 1 = 1 1 0 0 0 1
–   Natwarlal 0.142359+17
−17
(+51)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
−17
58.3%
2626
0.94
1531
0 1 0 0 1 0 0 = = 1 0 0 0 1 0 0 0 0 0 1 = = = 1 0 1 = 1 1 0 0 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(+47)14 − 14
(+8−8=12)
50.0%
14.0 / 28
0.0%
+50
57.2%
1566
1.24
895
0 = 0 1 = 0 = = 0 1 = 1 = = 1 1 0 1 1 = = 1 = 0 = 0 0 =
–   Zeus 1.292346+16
−16
(+38)17 − 15
(+11−9=12)
53.1%
17.0 / 32
0.0%
+59
54.0%
1824
0.92
985
= 1 1 0 0 1 = = = = 1 = = 1 = = 1 1 0 1 0 1 1 0 = 0 0 0 1 = = 0
–   Esc 1.162345+15
−15
(+37)12.5 − 16.5
(+10−14=5)
43.1%
12.5 / 29
0.0%
−13
53.2%
2409
0.96
1281
= 0 0 0 1 0 0 = 0 1 1 0 0 0 = 0 1 1 1 = 0 = 1 0 0 1 1 0 1
–   Popochin 3.22341+19
−19
(+33)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.3%
−10
56.2%
2190
0.90
1230
0 1 = 0 1 0 1 0 = 0 0 0 1 0 1 0 = = 0 1 = 0 1 1 1 1 0 = = 0 0 =
–   ANT 2006-F2333+16
−16
(+25)17 − 13
(+12−8=10)
56.7%
17.0 / 30
1.1%
+67
54.4%
1818
0.91
989
1 0 1 = 1 1 0 = 1 = 1 = 1 = 0 1 0 1 1 = 0 = = 0 = 1 = 0 1 0
–   GNU Chess 5.07 64-bit JA2332+22
−22
(+24)8.5 − 13.5
(+7−12=3)
38.6%
8.5 / 22
4.1%
−67
51.2%
1341
0.89
687
0 = 0 = 0 = 1 1 1 0 1 0 0 1 1 0 1 0 0 0 0 0
–   Anechka 0.082320+16
−16
(+12)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
13.6%
−22
55.1%
2436
1.05
1342
1 0 0 0 = 1 = 1 1 1 0 0 0 0 = 0 1 1 1 1 1 0 0 0 0 0 0 1 1 0 = =
–   CyberPagno 2.1 32MB2295+16
−16
(−13)14.5 − 12.5
(+12−10=5)
53.7%
14.5 / 27
89.9%
+14
55.8%
2059
1.26
1149
1 1 1 = = 0 0 0 0 1 1 1 0 0 = 1 0 1 0 1 = 1 = 1 0 0 1
–   Latista (Sinobyl) 1.52289+16
−16
(−19)13 − 14
(+10−11=6)
48.1%
13.0 / 27
96.1%
−34
52.5%
1662
1.01
873
1 1 0 0 0 0 = 0 = = 0 1 = 0 1 1 = 1 0 0 1 = 0 1 0 1 1
–   Madeleine 0.22285+15
−15
(−23)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
98.6%
−34
49.7%
1775
1.65
882
= 1 0 1 0 0 1 = 1 = = 0 1 0 1 = 1 0 1 0 = 0 1 0 = 0
–   Chispa 4.0.32273+14
−14
(−35)9.5 − 17.5
(+5−13=9)
35.2%
9.5 / 27
100.0%
−133
54.3%
1730
0.74
939
= 0 0 = 0 0 = = = = 0 = 1 0 0 0 1 1 1 = 0 = 0 0 1 0 0
–   Uralochka 1.1b2272+18
−18
(−36)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.9%
+31
54.2%
2492
0.93
1350
1 = 1 0 1 1 = 1 0 1 = 1 0 0 0 1 0 1 1 1 1 = = 1 0 1 = 0 = = 1 0
–   Atlas 2.202271+17
−17
(−37)8.5 − 15.5
(+7−14=3)
35.4%
8.5 / 24
100.0%
−151
  
0 0 1 = 0 1 = 0 0 1 1 0 1 = 1 0 0 0 0 0 0 1 0 0
–   Genesis 2.02247+16
−16
(−61)17.5 − 12.5
(+15−10=5)
58.3%
17.5 / 30
100.0%
+2
55.2%
2653
0.97
1464
1 1 1 = = 1 0 0 0 0 0 1 0 0 1 1 = 1 1 1 1 1 0 0 1 1 0 1 = =
–   Lime 662241+18
−18
(−67)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
+6
52.7%
2702
1.20
1424
1 1 0 1 1 0 1 1 1 1 0 1 = 1 1 0 1 = 0 0 1 1 1 1 0 0 = = 0 0 0 1
–   InmiChess 3.06N2241+15
−15
(−67)17 − 10
(+13−6=8)
63.0%
17.0 / 27
100.0%
+22
52.7%
1960
1.17
1033
1 = 1 0 = 0 0 = = 0 = 1 1 = 1 0 = = 1 1 1 1 1 1 1 0 1
–   Nesik 0.7.0 alpha2237+16
−16
(−71)14 − 10
(+11−7=6)
58.3%
14.0 / 24
100.0%
−10
59.2%
1585
1.01
939
0 1 1 = 1 0 0 = 1 1 1 = = 1 0 1 0 0 1 0 1 = = 1
–   NagaSkaki 5.122232+18
−18
(−76)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−54
57.3%
2957
1.12
1693
1 0 0 0 = 0 1 0 0 0 1 1 0 0 = 1 1 = = 0 1 0 0 1 = 1 1 1 1 = 1 1
–   Sunsetter C10.3 64-bit JA2232+16
−16
(−76)13.5 − 9.5
(+11−7=5)
58.7%
13.5 / 23
100.0%
−13
51.7%
1603
1.31
829
1 = 1 0 1 1 1 = 0 = 0 = 1 1 = 0 0 0 1 1 0 1 1
–   Alarm 0.93.12226+16
−16
(−82)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
+84
57.9%
2057
1.21
1190
1 0 = 1 = 0 = 0 = 1 = = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 0 = = 1
–   Fortress 1.622216+15
−15
(−92)9.5 − 13.5
(+8−12=3)
41.3%
9.5 / 23
100.0%
−161
55.4%
1954
1.30
1082
0 0 0 0 1 0 = 0 = 1 1 0 1 0 0 1 1 0 0 0 1 1 =
–   WJChess 1.642215+16
−16
(−93)16.5 − 11.5
(+13−8=7)
58.9%
16.5 / 28
100.0%
−26
57.4%
1857
0.99
1065
1 1 0 1 0 1 = = 0 = 0 1 1 = = 1 = 1 0 1 0 1 0 0 = 1 1 1
–   Gk 0.90 64-bit JA2194+16
−16
(−114)17 − 9
(+15−7=4)
65.4%
17.0 / 26
100.0%
+5
54.5%
1834
1.58
999
0 1 1 1 = 1 0 1 1 0 1 1 0 1 = 1 0 0 1 1 0 1 1 = = 1
–   Alf 1.09 JA2193+17
−17
(−115)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+26
57.0%
2030
1.02
1158
0 1 1 0 = 1 1 0 1 = 1 = 0 0 1 1 = = 1 1 = 1 1 1 0 1 1 1 1 1 1 0
–   Clarabit 1.00 64-bit2193+18
−18
(−115)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+76
53.8%
2490
1.01
1340
0 1 = 1 1 0 1 1 1 = 1 1 0 = 1 1 1 = 1 = 1 0 = 1 1 1 1 1 1 0 1 1
–   Ghost 0.142189+17
−17
(−119)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+54
54.7%
2284
1.43
1249
0 1 = 1 1 1 0 1 1 = = 1 0 1 1 1 0 1 = 1 = = 1 1 1 1 0 1 1 1 = 1
–   Wing 2.0a2179+16
−16
(−129)21 − 5
(+19−3=4)
80.8%
21.0 / 26
100.0%
+116
56.1%
1912
0.82
1072
0 1 1 1 1 1 = 1 0 1 1 1 = 1 1 1 1 1 1 0 1 1 = 1 = 1
–   Uragano 3D 0.872174+16
−16
(−134)24 − 8
(+22−6=4)
75.0%
24.0 / 32
100.0%
+67
54.3%
2769
1.27
1503
1 1 1 1 1 = 1 = 1 1 1 = 1 0 1 1 1 1 0 1 0 0 1 0 1 1 1 1 0 1 1 =
–   Matheus 2.32144+15
−15
(−164)16 − 9
(+14−7=4)
64.0%
16.0 / 25
100.0%
−52
57.9%
1802
1.19
1043
1 0 = 1 1 0 1 1 1 0 1 1 = = 0 0 1 0 0 = 1 1 1 1 1
–   Bodo 0.2b2137+15
−15
(−171)21.5 − 7.5
(+20−6=3)
74.1%
21.5 / 29
100.0%
+26
51.9%
1938
1.35
1005
1 1 0 1 1 1 1 0 1 1 = = 1 1 1 1 1 1 1 1 = 1 1 1 1 0 0 0 0
–   Bestia 0.902122+15
−15
(−186)20 − 6
(+18−4=4)
76.9%
20.0 / 26
100.0%
+28
54.7%
1666
0.97
911
1 = 0 0 1 1 0 1 1 1 1 = 0 1 1 1 1 1 = 1 1 1 1 = 1 1
–   Ax 0.82119+15
−15
(−189)24.5 − 0.5
(+24−0=1)
98.0%
24.5 / 25
100.0%
+415
  
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1
–   DelphiMax 2.92102+16
−16
(−206)15 − 7
(+14−6=2)
68.2%
15.0 / 22
100.0%
−61
55.5%
1606
1.51
892
1 = 1 0 0 1 1 0 1 1 0 1 1 1 0 1 0 = 1 1 1 1
–   Elephant 1.062075+16
−16
(−233)17 − 4
(+15−2=4)
81.0%
17.0 / 21
100.0%
+10
51.1%
1320
1.64
674
1 1 = = 1 1 1 1 0 1 = 0 1 = 1 1 1 1 1 1 1
–   JanWillem 1.132062+16
−16
(−246)24.5 − 3.5
(+23−2=3)
87.5%
24.5 / 28
100.0%
+90
52.4%
2125
1.37
1114
1 = 1 0 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 0 1 1 1 1 1 1
–   Marvin 1.3.02054+16
−16
(−254)27.5 − 2.5
(+25−0=5)
91.7%
27.5 / 30
100.0%
+106
55.2%
1922
1.53
1061
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 =
–   Faile 1.4.42042+15
−15
(−266)24 − 3
(+22−1=4)
88.9%
24.0 / 27
100.0%
+68
57.0%
2287
1.41
1303
1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = = 1 1 1 1 = =
–   Sharper 0.172022+16
−16
(−286)24.5 − 3.5
(+22−1=5)
87.5%
24.5 / 28
100.0%
+19
52.8%
1746
1.79
922
= 1 0 1 1 1 1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 1 1 = 1 1 1 1

Performance

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

Perf = C − 0.239 [±0.177] * 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