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
Sjeng 12.13 UCI#68  (2475+14
−14
)Quote
Author: Gian-Carlo Pascutto (Belgium) Released: 2002-05-03Link: Homepage
This engine is stable and runs without issues.
This is the only Sjeng version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   BugChess2 1.5.22661+18
−18
(+186)6.5 − 19.5
(+4−17=5)
25.0%
6.5 / 26
0.0%
−4
56.3%
2185
0.69
1231
0 0 1 = = 0 1 1 0 0 1 0 = 0 0 0 0 0 0 0 0 0 = 0 = 0
–   Anaconda 2.0.12644+17
−17
(+169)7.5 − 19.5
(+5−17=5)
27.8%
7.5 / 27
0.0%
0
60.6%
1385
0.63
839
1 0 0 0 = 1 = 0 0 0 0 0 0 1 0 0 = 0 0 = 0 1 = 1 0 0 0
–   Ktulu 4.22634+17
−17
(+159)10 − 20
(+4−14=12)
33.3%
10.0 / 30
0.0%
+51
60.0%
1421
0.59
853
0 1 = 0 = 0 = = 0 0 1 0 0 = 1 0 = = 1 0 = 0 = 0 0 0 = = 0 =
–   Thinker 4.7a2634+17
−17
(+159)10.5 − 15.5
(+7−12=7)
40.4%
10.5 / 26
0.0%
+92
56.1%
1873
0.79
1050
0 0 = 1 1 0 0 0 1 = 0 0 = 0 = 0 1 = = 0 1 0 0 1 1 =
–   SmarThink 0.17a2633+16
−16
(+158)10.5 − 17.5
(+5−12=11)
37.5%
10.5 / 28
0.0%
+77
52.2%
1421
0.58
742
0 = 1 1 0 = = = 0 = 0 0 1 = 1 = 0 = 0 = 0 1 = = 0 0 0 0
–   Ufim 8.022628+18
−18
(+153)8 − 16
(+6−14=4)
33.3%
8.0 / 24
0.0%
+27
57.6%
1742
0.92
1003
0 0 1 = 0 1 0 1 0 0 0 0 0 = = 0 1 0 1 0 0 1 = 0
–   Trace 1.37a2622+17
−17
(+147)9.5 − 17.5
(+5−13=9)
35.2%
9.5 / 27
0.0%
+45
53.7%
1367
0.64
734
0 1 = 0 = 0 = = 0 0 = 0 1 = 0 = 0 = 1 0 0 = 1 0 0 1 0
–   AnMon 5.602621+18
−18
(+146)9 − 15
(+6−12=6)
37.5%
9.0 / 24
0.0%
+58
57.0%
1736
0.67
989
= 1 1 0 0 = 0 = 1 0 = 0 = 0 0 0 = 0 0 1 1 0 1 0
–   E.T. Chess 18.11.052620+21
−21
(+145)10 − 17
(+6−13=8)
37.0%
10.0 / 27
0.0%
+62
57.3%
1423
0.76
815
= 1 = 0 0 = 0 0 0 = 1 = 0 0 1 0 0 0 0 1 = = 1 1 0 0 =
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(+139)6 − 20
(+2−16=8)
23.1%
6.0 / 26
0.0%
−47
53.2%
1565
0.87
832
= = 1 = = 0 0 0 0 = 0 0 = 0 0 = = 1 0 0 0 0 0 0 0 0
–   Yace 0.99.872609+17
−17
(+134)9 − 19
(+5−15=8)
32.1%
9.0 / 28
0.0%
+11
60.6%
1532
0.59
928
= 0 1 0 = = 0 0 1 0 1 = = 0 = 0 0 1 0 = 0 0 1 0 0 0 = 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(+132)8.5 − 20.5
(+5−17=7)
29.3%
8.5 / 29
0.0%
−16
55.2%
1888
0.91
1042
0 1 0 1 1 0 0 0 = 0 0 = 0 1 = = 0 = 0 0 0 0 1 = = 0 0 0 0
–   Hamsters 0.52595+21
−21
(+120)4.5 − 22.5
(+3−21=3)
16.7%
4.5 / 27
0.0%
−166
53.4%
1691
0.74
903
1 0 0 = 0 0 0 0 1 = 0 0 0 0 0 0 0 0 1 0 0 0 0 = 0 0 0
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+109)8.5 − 15.5
(+5−12=7)
35.4%
8.5 / 24
0.0%
+4
56.3%
1469
0.62
827
= 0 0 0 0 0 1 1 0 = 0 = = 0 0 1 0 = 1 = 1 0 0 =
–   Green Light Chess 3.002582+17
−17
(+107)7 − 14
(+5−12=4)
33.3%
7.0 / 21
0.0%
−18
53.0%
1858
0.90
985
0 0 = 0 0 0 1 1 = 0 = 0 0 0 1 1 = 1 0 0 0
–   Tao 5.62574+17
−17
(+99)7.5 − 19.5
(+4−16=7)
27.8%
7.5 / 27
0.0%
−61
59.6%
1630
0.75
971
0 0 0 = 0 0 0 0 0 = 0 0 0 = = 1 1 = = 0 0 0 1 0 = 0 1
–   Twisted Logic 20080404x2568+18
−18
(+93)7.5 − 16.5
(+5−14=5)
31.3%
7.5 / 24
0.0%
−44
57.3%
1570
0.83
899
1 0 0 = 0 0 1 1 0 0 0 1 0 = 0 = 0 0 0 1 0 = 0 =
–   Arasan 10.0 64-bit2564+17
−17
(+89)13.5 − 13.5
(+8−8=11)
50.0%
13.5 / 27
0.0%
+86
58.3%
1399
0.88
815
= = = = 0 1 1 0 1 = 0 1 0 0 0 1 = = 1 0 = 1 = 1 = = 0
–   Abrok 5.02561+17
−17
(+86)11.5 − 16.5
(+7−12=9)
41.1%
11.5 / 28
0.0%
+24
54.3%
1715
1.04
931
0 = 0 1 1 1 0 1 0 = = 0 = 0 = 1 0 0 = 0 0 1 = = 0 = 0 1
–   Amyan 1.5972552+17
−17
(+77)11 − 14
(+6−9=10)
44.0%
11.0 / 25
0.0%
+42
58.0%
1282
0.83
743
0 = = 1 0 = = 0 1 = = 1 0 0 1 = 0 0 1 0 1 0 = = =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(+76)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
0.0%
+34
58.0%
1797
0.67
1042
0 1 = 0 1 0 0 1 0 1 = 0 0 1 0 0 1 1 1 = = 1 = 0 0 0
–   SpiderChess 0706032546+17
−17
(+71)15 − 13
(+13−11=4)
53.6%
15.0 / 28
0.0%
+98
54.1%
2086
0.73
1129
= 0 1 1 = 0 1 0 0 1 0 1 1 0 1 1 1 0 = 0 1 1 0 0 = 1 1 0
–   Quark 2.352536+16
−16
(+61)8.5 − 18.5
(+4−14=9)
31.5%
8.5 / 27
0.0%
−64
55.3%
1607
0.86
888
= = 1 = 0 = 1 1 0 0 = = 0 = 0 0 0 0 0 = 1 0 0 0 = 0 0
–   King of Kings 2.562536+18
−18
(+61)8 − 18
(+6−16=4)
30.8%
8.0 / 26
0.0%
−87
55.8%
1735
0.76
968
= 0 1 0 = 0 0 1 0 1 0 0 0 0 = 1 0 0 0 0 0 0 0 1 = 1
–   Gaia 3.5 64-bit2536+17
−17
(+61)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
−12
55.0%
2773
1.01
1524
0 0 1 = 1 1 0 0 0 0 0 0 = 0 0 0 0 1 1 0 1 0 = 1 1 0 1 0 1 = 0 1
–   LambChop 10.992531+17
−17
(+56)9 − 14
(+6−11=6)
39.1%
9.0 / 23
0.0%
−19
58.4%
1415
0.94
826
0 0 1 = 0 1 0 = 0 0 0 = 0 1 = = 0 1 0 0 1 = 1
–   Dragon 4.62524+16
−16
(+49)11.5 − 16.5
(+9−14=5)
41.1%
11.5 / 28
0.0%
−19
59.0%
2060
0.70
1216
1 0 1 0 = 1 = 0 1 0 0 1 1 1 0 = 0 0 = 1 0 0 = 0 1 0 0 0
–   Snitch 1.6.2 32-bit2521+15
−15
(+46)10 − 14
(+7−11=6)
41.7%
10.0 / 24
0.0%
−11
53.7%
1847
1.06
992
0 0 1 1 0 = 0 1 1 = 0 = 0 = 1 0 0 0 = = 0 0 1 1
–   Nejmet 3.072521+16
−16
(+46)8 − 17
(+7−16=2)
32.0%
8.0 / 25
0.0%
−104
57.7%
2124
0.74
1225
0 0 1 0 0 1 0 0 0 1 0 0 0 1 1 1 1 0 0 = 0 = 0 0 0
–   RomiChess P3k 64-bit2502+18
−18
(+27)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
0.9%
+38
65.4%
2097
0.88
1372
0 1 1 1 1 0 1 = = = = 0 0 = 0 1 = 0 = 1 1 1 0 0 = = 1 0 1 1 0 0
–   Amy 0.8.7b DC2500+17
−17
(+25)12 − 14
(+10−12=4)
46.2%
12.0 / 26
1.0%
−6
58.0%
1900
1.79
1102
1 1 0 0 0 = 1 0 1 0 0 0 1 0 = 1 = 0 = 1 1 0 0 1 0 1
–   KnightDreamer 3.32499+16
−16
(+24)10 − 16
(+7−13=6)
38.5%
10.0 / 26
1.3%
−58
54.3%
1592
0.84
864
1 0 = 0 0 1 0 1 = = 0 0 1 0 0 0 0 1 1 1 = 0 0 = = 0
–   Francesca MAD 0.13 Nobook2493+19
−19
(+18)3.5 − 11.5
(+3−11=1)
23.3%
3.5 / 15
6.4%
−219
61.5%
1196
0.80
735
0 0 0 0 0 1 0 1 0 0 0 0 = 0 1
–   Leila 0.53h2490+17
−17
(+15)17.5 − 7.5
(+14−4=7)
70.0%
17.5 / 25
7.7%
+157
56.4%
1567
0.89
884
1 = = = 1 0 1 1 = 0 1 = 1 1 0 1 1 = 1 = 1 1 0 1 1
–   Diablo 0.5.1 JA2482+16
−16
(+7)19 − 13
(+14−8=10)
59.4%
19.0 / 32
25.6%
+69
58.6%
2023
0.80
1186
1 1 0 1 = 1 0 1 = = 1 1 0 1 = = = = = = 0 0 0 1 1 1 1 1 1 = 0 0
–   PostModernist 10162480+16
−16
(+5)17 − 15
(+13−11=8)
53.1%
17.0 / 32
33.1%
+28
58.2%
2263
0.72
1316
1 1 1 1 0 1 = 0 = 1 1 0 0 1 0 0 1 1 = 0 1 0 0 = = = = 0 1 1 = 0
–   Djinn 0.925x2479+16
−16
(+4)14.5 − 9.5
(+12−7=5)
60.4%
14.5 / 24
34.9%
+81
58.9%
1842
0.89
1085
1 = 0 1 1 0 1 1 = 0 = = 1 1 0 0 1 1 0 = 1 1 1 0
–   Comet B682478+14
−14
(+3)14.5 − 13.5
(+10−9=9)
51.8%
14.5 / 28
38.6%
+14
59.1%
1762
0.87
1041
= = = 1 0 0 0 0 = 1 = 1 = 0 1 1 0 0 1 = 1 0 1 = 0 1 1 =
–   Muse 0.899b2474+16
−16
(−1)14 − 11
(+9−6=10)
56.0%
14.0 / 25
53.4%
+37
57.2%
1349
0.92
771
0 = 1 0 1 = = = = = 1 0 1 = 0 1 = = 1 0 1 0 = 1 1
–   Queen 4.032466+17
−17
(−9)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
79.9%
+61
56.8%
1666
0.85
947
0 = 0 1 1 = = 0 1 1 0 0 = 1 1 = = 0 = = 1 1 1 = 1 = = = 1 = 1 1
–   Patzer 3.802460+16
−16
(−15)18 − 14
(+13−9=10)
56.3%
18.0 / 32
92.8%
+28
56.6%
1918
0.71
1086
= 0 0 = 1 1 1 = 1 = 1 0 0 = 0 0 1 = 1 1 1 1 0 1 0 = 1 1 = 0 = =
–   The Crazy Bishop 00522460+15
−15
(−15)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
93.1%
−27
57.3%
1850
0.87
1060
1 = 1 = 0 0 0 1 0 1 0 1 1 = 0 = = 0 1 0 1 = 0 1 0 =
–   Gosu 0.162455+16
−16
(−20)17 − 15
(+13−11=8)
53.1%
17.0 / 32
97.3%
+4
57.3%
1915
1.19
1097
0 1 1 1 0 0 = 1 = 1 0 1 = 1 = 0 1 0 0 = 1 1 0 0 = 1 1 = = 1 0 0
–   Der Bringer 1.92455+15
−15
(−20)10 − 13
(+6−9=8)
43.5%
10.0 / 23
97.6%
−68
54.7%
1610
0.72
880
1 0 = 1 1 1 0 0 = = 0 = = = = 1 = 0 1 0 0 0 0
–   Homer 2.012452+17
−17
(−23)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
98.6%
−14
54.3%
2143
0.75
1163
1 1 0 = = 1 0 = 1 = = = = = 0 0 1 0 1 0 1 = = 0 0 1 0 1 1 = 1 0
–   Phalanx XXII Reborn JA2452+15
−15
(−23)17.5 − 7.5
(+15−5=5)
70.0%
17.5 / 25
98.9%
+121
54.6%
1816
1.13
992
0 1 0 1 1 1 1 1 1 1 = 0 1 1 = 0 1 1 0 = = 1 1 1 =
–   Betsy 6.51 Nobook2450+15
−15
(−25)17.5 − 11.5
(+14−8=7)
60.3%
17.5 / 29
99.2%
+47
58.0%
2400
0.92
1393
1 1 0 0 0 1 0 = 0 0 = 1 1 = 1 1 = = = 1 1 0 1 0 1 1 = 1 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16
(−27)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
99.5%
+80
56.6%
2212
0.91
1252
1 1 0 = 0 1 0 0 1 0 = 1 1 0 0 = 1 1 1 1 = 1 1 1 1 1 0 1 = 1 1 0
–   Amateur 2.822446+15
−15
(−29)11.5 − 14.5
(+10−13=3)
44.2%
11.5 / 26
99.8%
−71
55.8%
1891
0.95
1055
0 0 1 0 1 = 1 0 = 0 1 0 0 0 1 1 1 1 = 0 0 0 1 1 0 0
–   Tytan 9.32 64-bit2429+17
−17
(−46)19 − 13
(+12−6=14)
59.4%
19.0 / 32
100.0%
+12
  
= = 1 = 0 1 0 = = = 1 0 1 1 1 1 = 0 = = 1 = 1 1 = = 1 0 0 1 = =
–   Sage 3.532424+19
−19
(−51)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
100.0%
−61
57.0%
2201
0.91
1255
= 0 = 1 1 0 0 0 1 = 1 0 0 0 0 = 1 1 0 = = 1 = 0 1 1 1 0 0 1 1 0
–   Sorgenkind 0.42421+18
−18
(−54)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−21
55.3%
2216
1.17
1226
0 0 = = 1 1 = 1 1 1 = = 1 = 0 0 1 1 = = 0 = 0 0 1 0 1 1 0 1 1 0
–   Horizon 4.42419+18
−18
(−56)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−21
53.3%
2060
1.12
1098
1 1 1 1 = 1 1 0 1 = 1 = = 0 1 = 0 0 = 1 1 0 0 0 0 0 1 1 0 0 1 =
–   Thor's Hammer 2.28 32-bit2417+15
−15
(−58)16 − 9
(+11−4=10)
64.0%
16.0 / 25
100.0%
+30
58.5%
1488
0.75
871
1 0 = = 1 = = = 1 1 1 1 1 0 = 1 1 = 0 = = 1 1 = 0
–   Arion 1.72415+16
−16
(−60)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
100.0%
−21
60.1%
1577
0.71
948
0 = 1 = 1 = 0 = 0 1 0 1 1 = 0 = 0 0 1 = = 1 = 1 1 1
–   AICE 0.99.22411+16
−16
(−64)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+37
55.6%
2086
0.88
1160
0 1 1 1 1 1 0 0 1 = 0 1 1 = 0 0 1 = 0 1 0 1 1 1 = 1 = 1 = = 1 1
–   Chezzz 1.0.32409+15
−15
(−66)16 − 13
(+14−11=4)
55.2%
16.0 / 29
100.0%
−24
57.4%
2024
0.82
1162
1 1 0 = 1 0 1 1 0 0 0 1 0 1 1 = 0 1 1 1 0 1 0 0 1 = 0 = 1
–   Asterisk 0.62402+17
−17
(−73)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−48
57.2%
1967
0.72
1126
1 0 1 0 1 0 0 = = 1 1 0 = 1 = 0 1 0 = 1 1 0 0 1 = = = 0 1 1 0 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(−73)10.5 − 7.5
(+9−6=3)
58.3%
10.5 / 18
100.0%
−9
56.9%
1239
0.91
705
= = 1 1 = 0 0 1 0 1 1 0 0 0 1 1 1 1
–   Averno 0.812396+15
−15
(−79)16.5 − 10.5
(+13−7=7)
61.1%
16.5 / 27
100.0%
0
53.6%
1837
0.80
985
1 1 = 0 1 = 0 = = = 1 0 1 1 0 1 1 0 1 0 1 = 1 1 0 1 =
–   Scidlet 3.61 64-bit JA2390+15
−15
(−85)15 − 9
(+11−5=8)
62.5%
15.0 / 24
100.0%
−1
59.0%
1547
1.13
912
1 0 1 = = 0 = 1 = 1 1 = 0 1 = 1 1 0 = 0 = 1 1 1
–   KnightX 1.922385+15
−15
(−90)17.5 − 11.5
(+13−7=9)
60.3%
17.5 / 29
100.0%
−17
54.4%
1738
0.95
946
0 1 1 = 1 = = = 0 1 0 0 1 1 = 1 1 0 = 1 1 0 = 1 = 1 = 1 0
–   Eeyore 1.482384+15
−15
(−91)18 − 7
(+15−4=6)
72.0%
18.0 / 25
100.0%
+69
57.1%
1600
1.15
914
1 1 0 1 1 1 = 1 1 1 = = 1 1 1 = 1 1 = 1 1 0 = 0 0
–   Ayito 0.2.9942371+16
−16
(−104)12.5 − 12.5
(+11−11=3)
50.0%
12.5 / 25
100.0%
−104
54.7%
1778
0.90
973
1 1 1 0 1 0 1 = = 0 0 1 = 0 0 0 0 0 1 1 0 0 1 1 1
–   Matilde 2008 64-bit2368+15
−15
(−107)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+21
57.4%
1675
1.06
961
1 0 1 = = 0 0 1 1 1 0 = 1 1 1 0 1 1 0 = 1 = 1 1 1 1 0 = 1 1 1 =
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(−120)14 − 12
(+11−9=6)
53.8%
14.0 / 26
100.0%
−96
53.8%
1873
0.93
1007
1 0 1 0 = 0 0 0 0 1 1 0 0 1 1 = 1 = 1 = 1 1 0 = = 1
–   Esc 1.162345+15
−15
(−130)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
100.0%
−95
57.7%
1457
0.93
841
0 = = = = 0 0 = 0 1 1 = 1 1 1 1 0 = = 1 1 0 0 1 1 =
–   GNU Chess 5.07 64-bit JA2332+22
−22
(−143)20.5 − 5.5
(+20−5=1)
78.8%
20.5 / 26
100.0%
+118
56.2%
1706
0.69
959
0 1 0 1 0 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 1 1
–   Dorky 3.482308+16
−16
(−167)17 − 7
(+15−5=4)
70.8%
17.0 / 24
100.0%
−11
62.0%
1522
0.79
944
1 0 0 1 1 1 = 1 1 1 0 1 1 0 = 1 0 1 1 = 1 = 1 1
–   CyberPagno 2.1 32MB2295+16
−16
(−180)17.5 − 7.5
(+16−6=3)
70.0%
17.5 / 25
100.0%
−20
57.7%
1727
1.18
996
1 1 1 1 = 1 1 0 0 1 1 0 1 1 1 0 1 1 1 = 1 1 0 = 0
–   Madeleine 0.22285+15
−15
(−190)15.5 − 10.5
(+12−7=7)
59.6%
15.5 / 26
100.0%
−126
54.5%
1919
1.21
1046
1 1 0 1 = 1 1 0 = = 1 = 1 0 0 0 1 1 0 1 0 1 1 = = =
–   Chispa 4.0.32273+14
−14
(−202)12 − 11
(+8−7=8)
52.2%
12.0 / 23
100.0%
−191
59.4%
1095
0.86
650
= 1 = = = 0 1 0 1 0 1 1 1 0 = = = 1 0 0 1 = 0
–   InmiChess 3.06N2241+15
−15
(−234)19.5 − 7.5
(+18−6=3)
72.2%
19.5 / 27
100.0%
−52
55.3%
1872
1.09
1036
1 1 0 1 1 1 1 = = 1 1 1 1 1 1 = 0 1 0 1 1 0 1 0 1 1 0

Performance

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

Perf = C + 0.173 [±0.156] * 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