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
Trace 1.37a WB#37  (2622+17
−17		)Quote
Author: Ross Boyd (Australia) Released: 2006-11-17Link: Homepage
This engine is stable and runs without issues.
This is the only Trace version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Frenzee 3.0 64-bit2711+19
−19		(+89)11.5 − 16.5
(+7−12=9)
41.1%
11.5 / 28
0.0%
+31
56.1%
1772
0.68
994
= 1 = 0 = 1 0 0 = = = 1 = 0 1 0 0 0 1 = = 1 0 0 1 0 0 0
–   SOS 5.12697+18
−18		(+75)11 − 14
(+8−11=6)
44.0%
11.0 / 25
0.0%
+35
56.5%
1665
0.69
941
1 1 = 0 1 0 1 0 0 1 0 = 0 = 1 0 0 = 1 = 0 1 0 = 0
–   Colossus 2007c2694+19
−19		(+72)11 − 14
(+7−10=8)
44.0%
11.0 / 25
0.0%
+34
57.6%
1327
0.64
765
1 0 0 0 = 0 = 0 1 1 = = 1 1 0 0 = = 0 1 = 1 0 0 =
–   Ruffian 1.0.52687+17
−17		(+65)5.5 − 21.5
(+4−20=3)
20.4%
5.5 / 27
0.0%
−181
58.0%
2451
0.54
1422
0 0 0 = 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 = 0 1 0 0 = 0 0
–   Petir 4.392682+18
−18		(+60)13.5 − 15.5
(+9−11=9)
46.6%
13.5 / 29
0.0%
+33
57.5%
1916
0.69
1101
1 0 1 1 = 1 0 0 1 0 0 0 0 1 = = = 0 = 0 1 = = 0 1 1 = = 0
–   Pseudo 0.7c2680+18
−18		(+58)9.5 − 15.5
(+7−13=5)
38.0%
9.5 / 25
0.0%
−28
57.6%
1961
0.67
1129
1 = 1 0 0 0 1 = 0 1 0 0 0 0 0 1 = 1 = = 0 0 1 0 0
–   Aristarch 4.502671+18
−18		(+49)10 − 14
(+7−11=6)
41.7%
10.0 / 24
0.0%
−15
53.7%
1387
0.63
745
1 0 1 0 1 0 0 0 0 0 1 0 1 = 1 = 0 = 1 0 = 0 = =
–   Petir 4.9999992670+19
−19		(+48)11 − 10
(+6−5=10)
52.4%
11.0 / 21
0.0%
+64
59.1%
977
0.97
577
= 0 = = 1 = 1 = = 0 1 1 0 1 0 = 0 = = 1 =
–   Hamsters 0.62669+18
−18		(+47)6.5 − 15.5
(+5−14=3)
29.5%
6.5 / 22
0.0%
−116
56.1%
1817
0.65
1019
0 1 0 0 0 0 1 0 0 0 0 0 = 1 0 1 0 = 0 0 1 =
–   The Baron 2.23 64-bit2669+19
−19		(+47)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−60
55.0%
2305
0.81
1268
0 1 0 1 1 = 1 0 0 0 = = = 0 0 = 0 0 0 1 0 0 1 0 0 1 1 0 0 0 1 0
–   Booot 4.13.12668+18
−18		(+46)11.5 − 12.5
(+6−7=11)
47.9%
11.5 / 24
0.0%
+32
51.6%
1411
0.71
728
0 = 0 0 = 1 0 1 = 1 0 = 1 0 = = = 1 = 0 = 1 = =
–   BugChess2 1.5.22661+18
−18		(+39)12 − 15
(+6−9=12)
44.4%
12.0 / 27
0.0%
+4
53.9%
1781
0.59
960
1 1 1 0 = = 1 0 = 1 0 = 0 = 0 = 0 = = = = = = 1 0 0 0
–   Jonny 2.832652+17
−17		(+30)13 − 14
(+10−11=6)
48.1%
13.0 / 27
0.5%
+19
52.9%
1978
0.75
1046
= 0 = 1 0 = 1 0 0 1 0 0 = 0 = 1 0 0 1 1 1 0 1 1 1 0 =
–   Crafty 21.5 64-bit PS2652+17
−17		(+30)9 − 18
(+5−14=8)
33.3%
9.0 / 27
0.4%
−83
56.7%
1705
0.77
967
0 0 0 1 0 = 0 1 0 0 = = 0 0 1 = = 0 = 0 0 0 0 = 1 = 1
–   The Baron 1.8.12651+18
−18		(+29)12.5 − 18.5
(+8−14=9)
40.3%
12.5 / 31
0.7%
−36
56.6%
1815
0.97
1027
0 = 0 1 1 0 = = 1 = 1 0 = 0 = 0 0 0 0 = 0 1 0 1 0 0 = 1 0 = 1
–   Anaconda 2.0.12644+17
−17		(+22)11 − 12
(+8−9=6)
47.8%
11.0 / 23
2.9%
+6
58.6%
1672
0.67
980
0 0 = 0 1 1 1 0 0 = = 0 0 1 1 = 0 1 = 1 = 1 0
–   Movei 00.8.4032643+22
−22		(+21)11 − 18
(+8−15=6)
37.9%
11.0 / 29
5.7%
−64
56.4%
2328
0.69
1312
0 = 1 0 1 0 0 1 = 0 1 0 0 = 0 0 0 = 0 = 1 0 0 1 1 0 = 0 1
–   Fritz 5.322643+17
−17		(+21)12 − 14
(+8−10=8)
46.2%
12.0 / 26
3.4%
−4
59.3%
1496
1.03
887
0 = 1 0 0 = = 1 = = 1 0 = 1 1 0 1 0 1 0 0 = = 0 1 0
–   Ktulu 4.22634+17
−17		(+12)14 − 13
(+9−8=10)
51.9%
14.0 / 27
15.9%
+25
53.5%
1848
0.76
989
= 0 = = 0 1 1 0 = = = 0 1 = 1 = = 0 1 1 1 = 1 1 0 0 0
–   Thinker 4.7a2634+17
−17		(+12)12.5 − 12.5
(+9−9=7)
50.0%
12.5 / 25
15.2%
+10
54.4%
2200
0.68
1196
0 1 0 0 1 0 0 0 = 1 1 = = 0 = = 1 = 1 0 1 1 1 0 =
–   SmarThink 0.17a2633+16
−16		(+11)16 − 13
(+11−8=10)
55.2%
16.0 / 29
17.8%
+41
55.3%
2052
0.60
1134
1 1 1 0 0 0 0 1 = 1 = 0 0 1 0 0 = 1 = 1 = = 1 1 1 = = = =
–   Ufim 8.022628+18
−18		(+6)15 − 9
(+12−6=6)
62.5%
15.0 / 24
31.8%
+92
58.8%
1664
0.70
979
0 0 0 = 1 0 1 1 1 1 1 = 1 1 1 1 1 0 = = 0 1 = =
–   Fritz 6 Light2627+19
−19		(+5)8.5 − 18.5
(+4−14=9)
31.5%
8.5 / 27
36.4%
−118
56.1%
1926
0.59
1080
0 0 0 1 0 = 0 0 0 = = 0 = 0 1 = = = 0 1 0 = 0 1 0 0 =
–   AnMon 5.602621+18
−18		(−1)18.5 − 8.5
(+15−5=7)
68.5%
18.5 / 27
55.3%
+130
54.8%
1370
0.65
751
= 1 1 = 1 1 1 1 1 0 1 1 1 1 0 1 = 0 = 0 = = 1 1 = 1 0
–   E.T. Chess 18.11.052620+21
−21		(−2)10 − 13
(+6−9=8)
43.5%
10.0 / 23
57.7%
−42
56.0%
1249
0.62
700
= = 0 = = 0 1 0 0 = = 0 0 1 1 = 0 0 1 = 1 0 1
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(−8)15 − 13
(+12−10=6)
53.6%
15.0 / 28
76.5%
+19
52.4%
2317
0.76
1213
0 1 = 0 0 0 = 1 = = 0 1 1 1 0 1 1 = 1 1 0 0 = 1 1 0 1 0
–   Yace 0.99.872609+17
−17		(−13)11.5 − 12.5
(+6−7=11)
47.9%
11.5 / 24
88.0%
−28
58.7%
1283
0.55
753
= = 0 0 1 1 = 0 0 0 = 0 1 = = 0 = = = 1 = 1 1 =
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19		(−15)14 − 12
(+11−9=6)
53.8%
14.0 / 26
89.4%
+9
52.8%
1991
0.82
1052
= 0 = 1 1 1 0 1 0 0 1 1 1 = 0 1 0 1 = 0 0 1 = = 1 0
–   Hamsters 0.52595+21
−21		(−27)14.5 − 12.5
(+11−9=7)
53.7%
14.5 / 27
98.2%
0
57.5%
2272
0.70
1307
0 1 1 0 1 0 1 1 = 1 0 0 = 0 0 1 1 1 0 = 0 = = 1 = 1 =
–   Pepito 1.59 32-bit2595+19
−19		(−27)15 − 14
(+10−9=10)
51.7%
15.0 / 29
98.7%
−15
54.1%
2135
0.64
1155
= = = 0 0 = 0 1 1 1 0 1 0 0 = 0 0 1 = = 1 1 1 = 1 1 = = 0
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(−38)15.5 − 12.5
(+11−8=9)
55.4%
15.5 / 28
99.9%
+1
54.7%
1901
0.78
1039
0 1 0 = 1 0 = 0 1 1 0 1 = 0 1 = 1 1 0 0 1 = 1 = = 1 = =
–   Green Light Chess 3.002582+17
−17		(−40)15.5 − 12.5
(+10−7=11)
55.4%
15.5 / 28
100.0%
−5
56.1%
1382
0.58
775
= = = 0 1 1 1 0 = = 0 = 1 = 1 0 0 = = 1 = 1 0 1 = 1 0 1
–   Tao 5.62574+17
−17		(−48)14 − 9
(+11−6=6)
60.9%
14.0 / 23
100.0%
+27
58.1%
1538
0.72
894
= = 1 0 0 = 1 1 1 0 1 1 0 = 1 1 1 1 1 0 = 0 =
–   Cerebro 3.03d2572+19
−19		(−50)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+43
52.5%
2438
0.99
1280
= 0 1 1 1 1 0 1 1 1 0 1 = = 1 = 1 0 1 0 = 1 0 1 0 0 1 0 1 1 1 =
–   Twisted Logic 20080404x2568+18
−18		(−54)16.5 − 10.5
(+13−7=7)
61.1%
16.5 / 27
100.0%
+22
50.1%
1870
0.88
937
= 1 1 1 0 = = = 1 1 0 1 = 0 1 = 0 0 0 1 1 1 1 1 0 1 =
–   Arasan 10.0 64-bit2564+17
−17		(−58)20.5 − 7.5
(+17−4=7)
73.2%
20.5 / 28
100.0%
+108
53.5%
2028
0.84
1084
1 0 = 1 1 1 1 = 1 0 1 1 = 1 1 1 1 = 1 1 1 = 1 0 = 1 = 0
–   Abrok 5.02561+17
−17		(−61)18 − 11
(+16−9=4)
62.1%
18.0 / 29
100.0%
+32
53.8%
2170
0.74
1168
0 1 1 1 0 0 0 1 = 1 1 1 0 1 1 1 0 = 1 0 1 0 1 1 0 1 = 1 =
–   Amyan 1.5972552+17
−17		(−70)13 − 11
(+10−8=6)
54.2%
13.0 / 24
100.0%
−43
53.9%
1868
0.73
1007
1 = = = 1 0 1 = = 0 1 0 1 = 0 0 1 1 1 1 0 1 0 0
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(−71)13.5 − 8.5
(+8−3=11)
61.4%
13.5 / 22
100.0%
−8
58.9%
1131
0.81
666
= = 1 1 1 = = 0 0 = = 1 0 1 = 1 1 = = = = 1
–   SpiderChess 0706032546+17
−17		(−76)16.5 − 10.5
(+12−6=9)
61.1%
16.5 / 27
100.0%
−3
54.9%
1781
0.62
978
= 1 1 1 1 1 1 = 1 = = = 0 1 = 1 = 0 0 0 0 = 0 1 1 = 1
–   Quark 2.352536+16
−16		(−86)16 − 10
(+13−7=6)
61.5%
16.0 / 26
100.0%
−3
58.5%
1755
0.80
1026
= 0 1 1 0 1 1 1 0 = 1 1 0 = 1 1 1 0 1 0 = 1 = 1 = 0
–   Gaia 3.5 64-bit2536+17
−17		(−86)15 − 17
(+11−13=8)
46.9%
15.0 / 32
100.0%
−106
53.4%
1947
0.83
1040
1 1 1 = 0 0 0 = = 0 1 1 0 = 1 = 1 0 1 0 = 0 1 0 1 1 0 0 0 = = 0
–   King of Kings 2.562536+18
−18		(−86)16.5 − 8.5
(+14−6=5)
66.0%
16.5 / 25
100.0%
+33
58.7%
1735
0.68
1018
1 1 0 1 = = 1 0 1 1 = 1 1 0 1 = = 0 1 1 0 0 1 1 1
–   LambChop 10.992531+17
−17		(−91)14.5 − 7.5
(+12−5=5)
65.9%
14.5 / 22
100.0%
+24
56.4%
1572
0.97
887
1 0 1 = 1 = = 1 0 0 1 = 1 0 0 1 1 1 1 = 1 1
–   Dragon 4.62524+16
−16		(−98)18.5 − 7.5
(+16−5=5)
71.2%
18.5 / 26
100.0%
+62
58.6%
2113
0.93
1238
0 1 1 1 0 1 1 1 1 1 1 1 1 1 = = = 1 1 1 0 1 0 = = 0
–   Nejmet 3.072521+16
−16		(−101)17.5 − 8.5
(+13−4=9)
67.3%
17.5 / 26
100.0%
+12
56.8%
1632
0.75
927
1 0 1 1 = = 1 1 0 0 = 1 = = 1 1 = 1 1 1 0 = 1 = 1 =
–   Snitch 1.6.2 32-bit2521+15
−15		(−101)15 − 13
(+12−10=6)
53.6%
15.0 / 28
100.0%
−72
53.5%
2290
0.99
1225
= 1 1 0 1 0 0 1 0 = 1 1 = 1 1 0 0 0 1 1 = 0 0 = = 0 1 1
–   Amy 0.8.7b DC2500+17
−17		(−122)19 − 5
(+17−3=4)
79.2%
19.0 / 24
100.0%
+109
55.7%
2147
0.78
1196
= 1 = = 1 1 1 1 1 0 1 0 1 1 1 1 1 0 1 1 = 1 1 1
–   KnightDreamer 3.32499+16
−16		(−123)19 − 8
(+14−3=10)
70.4%
19.0 / 27
100.0%
+10
55.1%
1605
0.77
884
= = 1 1 0 1 = = 1 = = 1 1 = 1 1 0 = = 1 = 1 1 1 1 1 0
–   Comet B682478+14
−14		(−144)19.5 − 6.5
(+17−4=5)
75.0%
19.5 / 26
100.0%
+48
54.6%
1909
0.82
1043
= 1 0 1 = = 1 0 1 1 0 1 1 1 1 0 1 1 1 = 1 1 = 1 1 1
–   Sjeng 12.132475+14
−14		(−147)17.5 − 9.5
(+13−5=9)
64.8%
17.5 / 27
100.0%
−45
53.7%
1367
0.64
734
1 0 = 1 = 1 = = 1 1 = 1 0 = 1 = 1 = 0 1 1 = 0 1 1 0 1
1345 games in total: 521 wins, 449 losses, 375 draws (27.9%), score: 52.7%
Average opponent: −18.8 (2603.2), average distance to opponent: 53.6

Performance

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

Perf = C − 0.149 [±0.259] * 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