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
Comet B68 CB#67  (2478+14
−14		)Quote
Author: Ulrich Turke (Germany) Released: 2005-06-13Link: WBEC
This engine is stable and runs without issues.
This is the only Comet version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   BugChess2 1.5.22661+18
−18		(+183)4 − 23
(+2−21=4)
14.8%
4.0 / 27
0.0%
−110
58.0%
1871
0.65
1086
0 1 0 0 0 0 = 0 0 0 = 0 0 0 0 0 1 0 0 0 = 0 = 0 0 0 0
–   Anaconda 2.0.12644+17
−17		(+166)8 − 17
(+4−13=8)
32.0%
8.0 / 25
0.0%
+45
57.2%
1132
0.78
647
= 0 0 0 = 0 = = 1 0 1 = 0 0 0 1 0 = = 0 0 0 = 0 1
–   Ktulu 4.22634+17
−17		(+156)7 − 20
(+3−16=8)
25.9%
7.0 / 27
0.0%
−14
58.2%
1558
0.69
907
0 = = = = 0 1 0 = 0 0 0 0 = 0 = = 0 0 0 0 1 0 0 0 0 1
–   Thinker 4.7a2634+17
−17		(+156)7.5 − 17.5
(+4−14=7)
30.0%
7.5 / 25
0.0%
+18
57.4%
1558
0.88
894
= 0 0 0 0 0 = = 0 = 0 0 1 1 0 0 0 = 1 0 = 1 = 0 0
–   SmarThink 0.17a2633+16
−16		(+155)8.5 − 20.5
(+3−15=11)
29.3%
8.5 / 29
0.0%
+17
53.5%
1460
0.82
781
1 0 = 0 = = 0 1 = 0 = 0 0 0 0 = = = 1 0 = = 0 0 0 0 = 0 0
–   Ufim 8.022628+18
−18		(+150)6 − 18
(+2−14=8)
25.0%
6.0 / 24
0.0%
−17
58.6%
1357
0.92
795
0 0 = 1 = 0 = = 0 1 = 0 0 0 = = 0 0 = 0 0 0 0 0
–   Trace 1.37a2622+17
−17		(+144)6.5 − 19.5
(+4−17=5)
25.0%
6.5 / 26
0.0%
−48
54.6%
1909
0.82
1043
= 0 1 0 = = 0 1 0 0 1 0 0 0 0 1 0 0 0 = 0 0 = 0 0 0
–   AnMon 5.602621+18
−18		(+143)8 − 16
(+3−11=10)
33.3%
8.0 / 24
0.0%
+35
54.9%
1518
0.52
834
= = 0 1 0 0 0 0 = = 0 1 = 0 1 0 = = = = = 0 0 0
–   E.T. Chess 18.11.052620+21
−21		(+142)9.5 − 16.5
(+7−14=5)
36.5%
9.5 / 26
0.0%
+41
58.4%
1813
0.57
1058
1 0 = = 1 = = 0 0 0 0 0 0 1 0 0 = 0 0 1 0 1 0 0 1 1
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(+136)7 − 18
(+2−13=10)
28.0%
7.0 / 25
0.0%
−7
51.8%
1632
0.97
845
0 = = 0 1 0 = 0 0 0 1 0 0 = 0 = = 0 0 = 0 = = = 0
–   Yace 0.99.872609+17
−17		(+131)10 − 16
(+7−13=6)
38.5%
10.0 / 26
0.0%
+52
58.9%
1514
0.65
892
= 0 0 0 0 0 0 1 = 1 0 0 0 = = 1 = 0 1 = 0 0 1 0 1 1
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19		(+129)8.5 − 18.5
(+3−13=11)
31.5%
8.5 / 27
0.0%
+11
54.0%
1668
0.89
900
0 0 = 1 = 0 0 0 = 0 = 0 0 0 = = = 0 = 1 = 0 0 1 = 0 =
–   Hamsters 0.52595+21
−21		(+117)13.5 − 9.5
(+12−8=3)
58.7%
13.5 / 23
0.0%
+182
55.5%
1707
0.79
948
1 1 1 1 0 1 0 = 0 1 0 0 = 0 1 1 1 0 1 0 = 1 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(+106)6.5 − 18.5
(+3−15=7)
26.0%
6.5 / 25
0.0%
−61
55.8%
1396
0.71
779
= = 1 0 0 0 0 0 = 0 0 = 0 = 1 0 0 = 0 = 0 1 0 0 0
–   Green Light Chess 3.002582+17
−17		(+104)12 − 16
(+9−13=6)
42.9%
12.0 / 28
0.0%
+49
55.0%
2208
0.83
1214
1 0 = = 1 0 1 0 0 1 0 1 1 0 0 = 1 0 1 = = 0 0 1 0 0 0 =
–   Tao 5.62574+17
−17		(+96)14 − 12
(+11−9=6)
53.8%
14.0 / 26
0.0%
+123
54.9%
2008
0.95
1103
= 1 = 0 = 1 0 1 1 1 0 = 1 = 1 0 0 0 0 = 0 1 1 0 1 1
–   Twisted Logic 20080404x2568+18
−18		(+90)12 − 14
(+10−12=4)
46.2%
12.0 / 26
0.0%
+57
51.2%
1912
0.98
979
= 0 1 0 0 0 = 1 = 0 1 1 1 0 1 0 0 1 1 0 0 0 1 0 1 =
–   Arasan 10.0 64-bit2564+17
−17		(+86)15.5 − 12.5
(+9−6=13)
55.4%
15.5 / 28
0.0%
+119
57.8%
1568
0.65
906
= = 1 1 = = 1 0 1 1 0 = = = 1 = 1 = = = = 0 0 1 0 0 = 1
–   Abrok 5.02561+17
−17		(+83)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
0.0%
+41
60.1%
1808
0.63
1087
1 0 = = 1 1 1 1 0 0 = = 1 0 0 1 1 1 0 0 = 0 0 0 0 0
–   Amyan 1.5972552+17
−17		(+74)6.5 − 20.5
(+3−17=7)
24.1%
6.5 / 27
0.0%
−114
60.7%
1363
0.56
828
= 0 0 0 0 0 1 0 = 0 0 1 = 0 0 0 0 0 = 0 0 1 0 = 0 = =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+73)12.5 − 12.5
(+10−10=5)
50.0%
12.5 / 25
0.0%
+75
56.5%
2264
1.05
1280
1 1 1 0 0 0 1 1 1 = 0 = = 1 1 = 1 0 0 = 0 0 0 1 0
–   SpiderChess 0706032546+17
−17		(+68)10 − 17
(+6−13=8)
37.0%
10.0 / 27
0.0%
−18
53.7%
1821
0.71
977
= 0 1 0 0 0 1 0 0 1 0 = 0 = 0 1 = 1 0 0 = 0 = = 0 = 1
–   Quark 2.352536+16
−16		(+58)10 − 14
(+8−12=4)
41.7%
10.0 / 24
0.0%
−3
57.1%
1705
0.75
974
1 1 0 1 0 = 0 1 0 0 = 1 0 1 0 0 1 = = 0 1 0 0 0
–   King of Kings 2.562536+18
−18		(+58)12 − 18
(+8−14=8)
40.0%
12.0 / 30
0.0%
−13
56.2%
1946
0.79
1093
0 = 0 = 0 = = 0 0 0 0 1 1 0 = 1 = 0 = 1 0 0 = 1 0 1 1 1 0 0
–   Gaia 3.5 64-bit2536+17
−17		(+58)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−115
56.7%
2360
0.83
1339
0 0 1 1 0 = 0 0 1 = 0 0 0 1 0 0 = = 0 0 0 0 0 0 0 1 = 0 = 0 = 0
–   LambChop 10.992531+17
−17		(+53)7 − 17
(+6−16=2)
29.2%
7.0 / 24
0.0%
−123
57.4%
2289
0.67
1314
= 0 0 0 0 0 = 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1
–   Dragon 4.62524+16
−16		(+46)10 − 15
(+8−13=4)
40.0%
10.0 / 25
0.0%
−30
58.1%
2060
0.75
1197
1 1 0 1 0 0 0 1 0 1 0 = 0 1 0 = 0 0 0 1 = = 0 0 1
–   Snitch 1.6.2 32-bit2521+15
−15		(+43)11 − 15
(+10−14=2)
42.3%
11.0 / 26
0.0%
−25
55.7%
2253
0.88
1255
0 1 = 0 0 0 1 1 0 1 0 0 0 0 0 = 0 1 1 0 1 1 1 0 1 0
–   Nejmet 3.072521+16
−16		(+43)10 − 14
(+8−12=4)
41.7%
10.0 / 24
0.0%
−20
58.6%
1775
0.66
1041
1 0 1 0 0 0 0 0 0 1 1 1 1 = = 0 1 0 1 = = 0 0 0
–   RomiChess P3k 64-bit2502+18
−18		(+24)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
1.7%
+14
62.1%
2088
0.73
1296
1 = 1 0 0 0 1 = 0 1 0 0 0 = 1 1 1 1 0 1 0 0 0 = 1 0 1 0 = 1 = =
–   Amy 0.8.7b DC2500+17
−17		(+22)11 − 15
(+8−12=6)
42.3%
11.0 / 26
2.0%
−36
56.7%
1758
1.26
996
= 1 1 0 0 1 = 0 1 = = 0 0 = 1 0 0 0 0 = 0 1 0 1 1 0
–   KnightDreamer 3.32499+16
−16		(+21)17.5 − 6.5
(+16−5=3)
72.9%
17.5 / 24
2.6%
+205
56.3%
1825
0.78
1028
0 = 1 1 0 1 1 1 = 1 1 1 1 0 1 1 1 0 1 1 0 1 = 1
–   Francesca MAD 0.13 Nobook2493+19
−19		(+15)11 − 11
(+7−7=8)
50.0%
11.0 / 22
10.0%
+15
62.9%
1131
1.10
711
0 0 1 = = 1 0 = 1 0 1 0 = = 1 1 0 1 = = 0 =
–   Leila 0.53h2490+17
−17		(+12)13 − 16
(+10−13=6)
44.8%
13.0 / 29
12.3%
−27
57.3%
2069
1.08
1185
0 1 1 0 1 0 0 = 0 = 1 1 1 = = = 0 0 1 0 0 1 = 1 0 1 0 0 0
–   Diablo 0.5.1 JA2482+16
−16		(+4)16 − 16
(+12−12=8)
50.0%
16.0 / 32
35.1%
+4
58.7%
2289
0.65
1343
1 0 = 1 0 1 0 1 0 0 0 1 = 0 0 0 1 = 1 1 1 = 1 0 1 0 = = = = 0 1
–   PostModernist 10162480+16
−16		(+2)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
43.5%
−79
61.7%
2235
0.73
1380
1 0 1 0 0 1 0 1 0 0 0 = 1 0 1 1 0 1 = 0 0 = 0 = 0 = 0 = 0 1 = 0
–   Djinn 0.925x2479+16
−16		(+1)14.5 − 14.5
(+11−11=7)
50.0%
14.5 / 29
45.4%
0
53.6%
2095
0.99
1123
0 1 = 1 0 0 0 1 0 0 1 1 = 1 1 0 0 0 = 1 = 1 = 1 0 = 1 0 =
–   Sjeng 12.132475+14
−14		(−3)13.5 − 14.5
(+9−10=9)
48.2%
13.5 / 28
61.4%
−14
59.1%
1762
0.87
1041
= = = 0 1 1 1 1 = 0 = 0 = 1 0 0 1 1 0 = 0 1 0 = 1 0 0 =
–   Muse 0.899b2474+16
−16		(−4)17 − 10
(+14−7=6)
63.0%
17.0 / 27
64.0%
+94
51.8%
1743
0.70
903
1 1 = 1 0 1 1 1 = 1 1 1 1 1 0 1 0 = = = 0 0 0 0 = 1 1
–   Queen 4.032466+17
−17		(−12)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
86.3%
−42
55.7%
2080
0.74
1159
= 1 1 0 = = 0 = 0 1 1 1 0 0 0 = 1 1 0 0 = 1 = 0 0 0 = 1 = = 0 =
–   Patzer 3.802460+16
−16		(−18)21 − 11
(+18−8=6)
65.6%
21.0 / 32
95.8%
+100
52.2%
2004
1.03
1046
0 1 1 1 1 1 = 1 1 = = 1 1 1 = 1 = 0 1 = 1 0 1 1 1 0 1 1 0 0 0 0
–   The Crazy Bishop 00522460+15
−15		(−18)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
96.0%
−61
55.9%
2194
0.88
1226
= 0 0 0 = 0 1 = 1 0 1 1 0 = 0 0 1 1 = 0 0 1 0 1 1 0
–   Gosu 0.162455+16
−16		(−23)21 − 11
(+19−9=4)
65.6%
21.0 / 32
98.6%
+101
55.2%
2525
1.18
1393
1 1 1 1 0 = = 1 1 1 1 0 1 1 0 0 = 1 1 0 1 1 1 1 0 = 1 1 0 0 1 0
–   Der Bringer 1.92455+15
−15		(−23)13 − 14
(+10−11=6)
48.1%
13.0 / 27
98.8%
−35
54.2%
2077
0.74
1125
= = 0 1 1 0 = 1 0 1 0 = 0 1 0 1 1 1 0 1 0 = = 0 0 0 1
–   Homer 2.012452+17
−17		(−26)17 − 15
(+12−10=10)
53.1%
17.0 / 32
99.3%
−5
49.5%
2114
0.81
1046
1 1 1 = = 0 1 1 1 = 0 = = 1 0 = = = = 0 1 1 0 1 = 0 0 0 1 0 0 1
–   Phalanx XXII Reborn JA2452+15
−15		(−26)12.5 − 11.5
(+8−7=9)
52.1%
12.5 / 24
99.5%
−6
55.7%
1414
0.97
788
= 0 = = = = = 1 1 0 0 0 = = 1 0 = 1 1 1 0 1 0 1
–   Betsy 6.51 Nobook2450+15
−15		(−28)18 − 11
(+16−9=4)
62.1%
18.0 / 29
99.6%
+63
54.0%
2866
0.81
1548
1 0 1 1 1 1 = 0 1 0 = 0 1 0 1 1 1 0 = 0 1 0 1 1 1 0 1 = 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−30)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
99.8%
+30
54.2%
2571
0.84
1394
1 0 1 1 = 0 0 1 = 1 0 0 1 1 1 0 1 1 1 0 0 1 1 0 = = 0 0 1 = 1 1
–   Amateur 2.822446+15
−15		(−32)10.5 − 13.5
(+8−11=5)
43.8%
10.5 / 24
99.9%
−78
53.3%
1808
1.13
964
1 1 = 1 1 0 0 1 0 0 1 0 0 0 = 1 1 = = = 0 0 0 0
–   Tytan 9.32 64-bit2429+17
−17		(−49)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−49
  
0 1 0 1 0 1 0 1 0 = = 1 1 0 = 1 0 0 1 = = 1 0 = = = 1 0 0 1 1 0
–   Sage 3.532424+19
−19		(−54)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+77
55.9%
2151
0.85
1202
= 0 = 1 1 1 0 0 1 0 1 1 = 0 1 1 0 1 1 1 = 0 1 = 0 1 1 1 1 1 1 1
–   Sorgenkind 0.42421+18
−18		(−57)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+86
54.5%
2114
0.98
1152
1 1 0 1 1 1 0 0 = = 0 = 1 1 1 = 1 0 = 1 1 = 1 = 1 1 = 1 1 1 1 =
–   Horizon 4.42419+18
−18		(−59)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−36
55.6%
2007
1.21
1116
1 = 0 0 0 = 0 1 1 1 1 = = = 1 0 = 1 = 1 1 1 0 0 0 0 1 0 = 1 0 1
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−61)13.5 − 14.5
(+11−12=5)
48.2%
13.5 / 28
100.0%
−76
53.5%
1766
0.93
944
= 0 1 0 = 0 1 0 0 0 1 1 1 1 0 1 0 = 0 = 0 1 1 0 = 0 1 1
–   Arion 1.72415+16
−16		(−63)19.5 − 7.5
(+16−4=7)
72.2%
19.5 / 27
100.0%
+94
61.0%
1827
0.99
1115
= 1 1 = = 1 1 = 1 = 0 1 0 1 1 1 1 1 1 1 1 1 = = 0 1 0
–   AICE 0.99.22411+16
−16		(−67)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
100.0%
−58
56.2%
2109
0.82
1186
0 1 = 0 = 1 1 1 0 = = = 1 0 1 0 1 1 0 = 0 = 0 1 = 0 1 = 1 1 0 0
–   Chezzz 1.0.32409+15
−15		(−69)14.5 − 7.5
(+13−6=3)
65.9%
14.5 / 22
100.0%
+60
54.0%
1803
0.91
974
0 1 1 1 0 0 = 1 = = 1 1 1 1 1 0 0 1 1 1 1 0
–   Asterisk 0.62402+17
−17		(−76)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
−2
58.6%
2265
0.80
1327
1 1 1 0 0 1 1 0 = 0 1 0 0 1 1 1 0 = 0 1 0 = = 1 1 1 1 0 0 1 1 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−76)12 − 10
(+8−6=8)
54.5%
12.0 / 22
100.0%
−46
51.1%
1201
0.86
614
0 = = = 1 0 = 0 1 1 = 0 = = 0 1 1 1 0 1 1 =
–   Averno 0.812396+15
−15		(−82)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
100.0%
−94
56.6%
1692
0.77
957
0 1 = 0 0 1 = 0 0 1 0 1 1 = = 0 0 1 0 1 = = = 1 0 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(−88)15 − 9
(+10−4=10)
62.5%
15.0 / 24
100.0%
−5
58.4%
1341
1.08
783
= 1 0 = 1 0 = 0 1 = 1 = = 1 0 = = 1 = 1 1 1 1 =
–   KnightX 1.922385+15
−15		(−93)14.5 − 10.5
(+11−7=7)
58.0%
14.5 / 25
100.0%
−37
55.8%
1659
0.71
925
= = = = = 1 1 0 1 1 1 1 = 0 1 0 1 1 0 1 1 0 0 0 =
–   Eeyore 1.482384+15
−15		(−94)17 − 9
(+13−5=8)
65.4%
17.0 / 26
100.0%
+11
57.3%
1517
1.05
869
1 1 1 = 1 1 1 = 1 1 0 = 0 = 0 0 = 1 1 = = 1 0 = 1 1
–   Ayito 0.2.9942371+16
−16		(−107)15 − 8
(+13−6=4)
65.2%
15.0 / 23
100.0%
+6
53.6%
1842
0.90
988
= 1 0 1 1 1 0 1 1 0 1 = 1 1 0 0 = 1 1 = 1 0 1
–   Matilde 2008 64-bit2368+15
−15		(−110)21 − 11
(+20−10=2)
65.6%
21.0 / 32
100.0%
+19
58.0%
2441
0.98
1416
1 = 0 1 0 1 1 1 0 1 1 1 1 0 0 1 0 1 1 1 1 0 0 0 0 1 1 = 1 1 1 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−123)17 − 11
(+14−8=6)
60.7%
17.0 / 28
100.0%
−45
57.7%
2071
0.89
1195
1 0 1 1 0 1 = 0 0 1 1 = 1 1 0 1 1 1 = 1 = 1 0 0 0 = = 1
–   Esc 1.162345+15
−15		(−133)16 − 8
(+14−6=4)
66.7%
16.0 / 24
100.0%
−4
52.8%
1787
0.87
944
1 1 0 0 = = = 0 1 = 1 1 1 1 1 0 1 1 1 1 1 0 0 1
–   GNU Chess 5.07 64-bit JA2332+22
−22		(−146)15 − 12
(+10−7=10)
55.6%
15.0 / 27
100.0%
−110
53.9%
1280
0.68
690
= = = 1 0 = = = 1 1 0 = 1 1 1 0 1 0 0 1 = = 1 0 = 1 0
–   CyberPagno 2.1 32MB2295+16
−16		(−183)20 − 9
(+17−6=6)
69.0%
20.0 / 29
100.0%
−38
54.7%
1979
0.96
1082
1 0 1 0 1 1 1 1 1 0 = 0 1 = 1 0 0 1 = 1 1 1 1 1 = = = 1 1
–   Madeleine 0.22285+15
−15		(−193)12 − 8
(+10−6=4)
60.0%
12.0 / 20
100.0%
−121
54.6%
1525
1.24
832
0 0 1 0 1 1 = 1 1 = 1 1 0 = = 1 1 0 1 0
–   Chispa 4.0.32273+14
−14		(−205)16.5 − 8.5
(+14−6=5)
66.0%
16.5 / 25
100.0%
−84
51.7%
1501
0.98
776
0 1 0 0 1 = 1 1 = 0 1 1 1 1 1 = 0 1 = 1 0 = 1 1 1
–   InmiChess 3.06N2241+15
−15		(−237)22 − 3
(+19−0=6)
88.0%
22.0 / 25
100.0%
+53
55.9%
1351
1.02
755
= = 1 1 1 = 1 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 =
1953 games in total: 725 wins, 763 losses, 465 draws (23.8%), score: 49.0%
Average opponent: +5.7 (2483.7), average distance to opponent: 78.3

Performance

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

Perf = C + 0.133 [±0.160] * 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