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
Fritz 6 Light CB (2627+19
−19		)Quote
Author: Frans Morsch (Netherlands) Released: 2006-11-29Link: Chessbase
This engine is stable and runs without issues.
This is one of the 2 Fritz versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Delfi 5.22718+21
−21		(+91)7 − 18
(+3−14=8)
28.0%
7.0 / 25
0.0%
−60
59.3%
1813
0.71
1076
0 0 = 0 1 0 0 1 = = = = = 1 0 0 0 0 0 0 0 0 = = 0
–   WildCat 72718+19
−19		(+91)10 − 15
(+6−11=8)
40.0%
10.0 / 25
0.0%
+28
61.6%
1588
0.72
979
= 0 = 0 1 1 1 0 0 = 0 = = = 0 = 0 = 0 1 0 1 0 0 1
–   Alaric 7042713+26
−26		(+86)9 − 15
(+6−12=6)
37.5%
9.0 / 24
0.0%
−4
61.0%
2209
0.60
1348
0 1 0 1 0 = = 0 0 0 = = 0 1 1 0 = = 0 1 0 0 1 0
–   Frenzee 3.0 64-bit2711+19
−19		(+84)9 − 19
(+6−16=6)
32.1%
9.0 / 28
0.0%
−47
59.1%
2239
0.83
1324
= 0 0 1 0 = 0 1 1 0 = = 0 0 0 0 0 0 0 0 1 0 1 0 1 = = 0
–   Pharaon 3.5.12704+19
−19		(+77)12.5 − 18.5
(+10−16=5)
40.3%
12.5 / 31
0.0%
+2
61.8%
2245
0.66
1388
1 0 0 = 1 1 = 1 = 0 0 0 1 0 0 0 0 0 0 0 = 0 0 1 1 1 1 0 = 1 0
–   List 5.122699+18
−18		(+72)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−75
61.7%
2283
0.76
1409
1 = 1 0 1 0 0 0 = 0 0 0 0 = 0 0 = 0 = = 0 0 1 0 1 0 0 = 0 0 1 0
–   SOS 5.12697+18
−18		(+70)7.5 − 14.5
(+5−12=5)
34.1%
7.5 / 22
0.0%
−45
62.0%
1601
1.05
993
1 1 0 = 1 0 = 0 0 0 = 0 0 0 0 0 0 1 = 1 = 0
–   Colossus 2007c2694+19
−19		(+67)10.5 − 15.5
(+6−11=9)
40.4%
10.5 / 26
0.0%
0
62.8%
1544
0.52
970
1 = 1 1 0 1 0 0 = = = 0 0 0 = = = 0 0 0 = 1 0 = 0 1
–   Petir 4.392682+18
−18		(+55)8 − 19
(+3−14=10)
29.6%
8.0 / 27
0.0%
−82
62.3%
1476
0.57
920
= 1 0 = = 0 = 0 0 0 1 = 0 0 0 0 0 = = = 0 = 0 = 0 1 0
–   Pseudo 0.7c2680+18
−18		(+53)13.5 − 18.5
(+7−12=13)
42.2%
13.5 / 32
0.0%
+3
59.4%
2265
0.40
1345
= 0 0 1 0 1 0 = = = = = = 0 = = = 1 = 0 1 0 0 = 0 1 1 1 0 = 0 0
–   Aristarch 4.502671+18
−18		(+44)11 − 13
(+8−10=6)
45.8%
11.0 / 24
0.0%
+13
57.3%
1594
1.05
914
0 0 1 0 0 = = 0 0 1 = 0 1 0 1 1 1 1 = 0 = 0 = 1
–   Petir 4.9999992670+19
−19		(+43)11 − 11
(+7−7=8)
50.0%
11.0 / 22
0.0%
+44
62.0%
1212
0.51
752
= 0 1 0 0 1 1 0 = 1 = = 0 0 1 = = 0 1 1 = =
–   Hamsters 0.62669+18
−18		(+42)13.5 − 11.5
(+11−9=5)
54.0%
13.5 / 25
0.0%
+69
58.5%
2039
0.53
1193
= 1 1 = 1 1 0 0 = = 0 0 0 1 0 = 1 1 1 1 0 0 1 0 1
–   Booot 4.13.12668+18
−18		(+41)11.5 − 12.5
(+7−8=9)
47.9%
11.5 / 24
0.0%
+29
59.6%
1575
0.66
939
1 0 = 1 1 0 0 0 = = 0 1 = 0 1 0 = 1 1 = = 0 = =
–   BugChess2 1.5.22661+18
−18		(+34)10 − 14
(+7−11=6)
41.7%
10.0 / 24
0.3%
−28
63.0%
1964
0.55
1237
= = 0 1 0 1 0 0 1 = 0 0 0 = 1 = 1 1 0 = 0 1 0 0
–   Jonny 2.832652+17
−17		(+25)14 − 14
(+10−10=8)
50.0%
14.0 / 28
1.9%
+27
53.9%
1872
0.82
1009
= = 0 0 0 1 0 = 1 1 0 1 = 0 = 1 = = 0 1 1 0 1 1 0 1 = 0
–   Crafty 21.5 64-bit PS2652+17
−17		(+25)10 − 15
(+6−11=8)
40.0%
10.0 / 25
1.6%
−43
57.3%
1805
0.82
1035
= 0 1 1 1 0 = = 1 = = 0 = = 0 0 0 0 1 1 0 0 = 0 0
–   The Baron 1.8.12651+18
−18		(+24)9.5 − 17.5
(+5−13=9)
35.2%
9.5 / 27
2.3%
−74
58.7%
1952
1.10
1145
= 1 1 0 0 0 = 0 = 0 0 0 = 0 0 = 1 0 0 0 = = 0 1 = = 1
–   Anaconda 2.0.12644+17
−17		(+17)12.5 − 14.5
(+8−10=9)
46.3%
12.5 / 27
7.3%
−8
64.1%
1442
0.96
925
= = 1 1 = = 0 0 0 1 = 1 0 1 0 1 1 = 0 = 0 0 1 0 = = 0
–   Movei 00.8.4032643+22
−22		(+16)12.5 − 12.5
(+11−11=3)
50.0%
12.5 / 25
11.2%
+11
62.0%
2088
0.56
1294
1 0 0 1 0 = 1 0 0 1 0 1 0 1 0 0 = 1 1 0 1 1 1 0 =
–   Fritz 5.322643+17
−17		(+16)15.5 − 16.5
(+7−8=17)
48.4%
15.5 / 32
8.3%
+6
79.0%
1306
0.21
1032
0 0 0 = = = = = 1 0 = 1 1 1 = 0 = = = = 1 = 0 1 = 0 = = 0 = 1 =
–   Ktulu 4.22634+17
−17		(+7)14 − 9
(+13−8=2)
60.9%
14.0 / 23
27.7%
+97
61.2%
2079
0.83
1272
0 1 1 1 0 0 1 1 1 0 1 = 1 0 = 1 0 1 0 1 1 1 0
–   Thinker 4.7a2634+17
−17		(+7)12.5 − 11.5
(+10−9=5)
52.1%
12.5 / 24
26.9%
+18
60.4%
1883
0.44
1137
0 = 1 0 1 1 0 1 0 0 0 = 0 0 1 = 1 = 1 1 1 = 1 0
–   SmarThink 0.17a2633+16
−16		(+6)11 − 16
(+8−13=6)
40.7%
11.0 / 27
30.5%
−61
58.4%
2066
0.86
1207
= = 1 0 0 0 = 1 0 1 0 = 0 0 0 = 0 1 0 1 1 = 0 0 0 1 1
–   Ufim 8.022628+18
−18		(+1)13 − 13
(+11−11=4)
50.0%
13.0 / 26
45.8%
+2
62.3%
2145
0.86
1336
0 1 1 0 0 1 = 0 0 = 0 0 1 1 1 = 1 0 0 1 = 0 1 1 1 0
–   Trace 1.37a2622+17
−17		(−5)18.5 − 8.5
(+14−4=9)
68.5%
18.5 / 27
63.6%
+118
56.1%
1926
0.59
1080
1 1 1 0 1 = 1 1 1 = = 1 = 1 0 = = = 1 0 1 = 1 0 1 1 =
–   AnMon 5.602621+18
−18		(−6)12 − 14
(+10−12=4)
46.2%
12.0 / 26
68.1%
−36
59.4%
1869
0.60
1110
0 1 0 0 1 0 0 0 1 0 0 1 1 = 0 = = 1 1 1 1 0 1 0 = 0
–   E.T. Chess 18.11.052620+21
−21		(−7)14 − 11
(+9−6=10)
56.0%
14.0 / 25
69.1%
+34
57.6%
1513
0.65
872
1 1 = 1 = = 1 = 0 0 0 0 = = = 1 0 1 1 1 = 0 = 1 =
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(−13)15 − 13
(+10−8=10)
53.6%
15.0 / 28
84.8%
+7
55.7%
1503
0.97
837
0 0 1 = = 0 = 1 = 0 1 0 1 = = 0 = = 1 0 1 0 1 1 1 = = 1
–   Yace 0.99.872609+17
−17		(−18)15 − 13
(+9−7=12)
53.6%
15.0 / 28
92.7%
+4
62.3%
1622
0.53
1011
= = 1 1 0 = 1 1 = 1 0 0 1 0 0 = = 1 1 = 1 0 = 0 = = = =
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19		(−20)17 − 11
(+12−6=10)
60.7%
17.0 / 28
93.6%
+48
56.9%
1321
0.90
751
1 1 1 1 = = 0 = = 1 1 1 1 1 = = 1 1 = 1 0 0 0 0 0 = = =
–   Hamsters 0.52595+21
−21		(−32)13 − 11
(+9−7=8)
54.2%
13.0 / 24
99.0%
−4
61.3%
1397
0.55
856
= = 0 = 1 1 0 = 1 = 1 1 = 0 1 1 1 = 1 0 0 0 = 0
–   Green Light Chess 3.002582+17
−17		(−45)15.5 − 8.5
(+11−4=9)
64.6%
15.5 / 24
100.0%
+46
59.4%
1329
0.56
789
1 1 = 1 1 = 1 1 = = 0 = 0 1 0 = 1 1 = 1 = 1 0 =
–   Tao 5.62574+17
−17		(−53)15.5 − 9.5
(+11−5=9)
62.0%
15.5 / 25
100.0%
+27
63.7%
1503
0.50
958
1 1 1 = = 0 = 1 1 = 1 1 = = 1 = 0 0 1 = 1 1 0 0 =
–   Arasan 10.0 64-bit2564+17
−17		(−63)19 − 9
(+16−6=6)
67.9%
19.0 / 28
100.0%
+68
61.6%
2129
0.64
1312
1 1 0 0 0 = 1 1 = = 0 1 1 1 1 1 1 = = 1 0 1 1 1 1 1 0 =
–   Abrok 5.02561+17
−17		(−66)14.5 − 9.5
(+11−6=7)
60.4%
14.5 / 24
100.0%
+8
60.7%
1600
0.57
971
1 1 0 1 = = 1 0 = = 1 0 = 1 1 = = 1 0 1 1 0 1 0
–   Amyan 1.5972552+17
−17		(−75)15.5 − 8.5
(+13−6=5)
64.6%
15.5 / 24
100.0%
+33
63.9%
1570
0.43
1003
1 1 1 0 1 = = 0 1 = 0 1 = 0 1 1 1 0 0 1 1 1 = 1
–   SpiderChess 0706032546+17
−17		(−81)12.5 − 14.5
(+6−8=13)
46.3%
12.5 / 27
100.0%
−104
59.0%
1192
0.82
703
= = 0 0 0 1 = = 1 0 = = 0 = = 1 = 1 = = 0 0 0 1 = = 1
–   Quark 2.352536+16
−16		(−91)18.5 − 6.5
(+18−6=1)
74.0%
18.5 / 25
100.0%
+118
58.3%
2410
0.80
1405
0 1 1 1 = 1 1 0 1 1 0 1 1 0 1 0 0 1 1 1 1 1 1 1 1
–   Nejmet 3.072521+16
−16		(−106)12.5 − 11.5
(+7−6=11)
52.1%
12.5 / 24
100.0%
−92
56.1%
948
0.53
532
= = = 0 1 0 1 = 0 = = 0 1 = 1 0 = = 1 1 = 1 = 0
–   Snitch 1.6.2 32-bit2521+15
−15		(−106)15 − 9
(+10−4=10)
62.5%
15.0 / 24
100.0%
−34
60.1%
1475
0.57
886
0 1 0 1 = 1 1 = 0 1 1 1 = = = = 1 = = = = 0 1 1
1066 games in total: 363 wins, 387 losses, 316 draws (29.6%), score: 48.9%
Average opponent: +8.5 (2635.5), average distance to opponent: 45.6

Performance

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

Perf = C − 0.143 [±0.296] * 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