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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Frenzee 3.0 64-bit WB (2711+19
−19
)Quote
Author: Sune Fischer (Denmark) Released: 2006-10-15Link: Homepage
This engine is stable and runs without issues.
This is one of the 2 Frenzee versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+177)7.5 − 19.5
(+4−16=7)
27.8%
7.5 / 27
0.0%
+21
56.5%
2161
0.57
1220
0 = 0 0 0 0 0 0 = 0 1 0 0 0 1 0 = 0 = = 0 0 = 1 1 0 =
–   Spike 1.2 Turin2842+23
−23
(+131)7 − 21
(+4−18=6)
25.0%
7.0 / 28
0.0%
−55
54.5%
1994
0.86
1087
1 = 0 1 = 0 0 = 0 0 0 0 = = 0 0 1 0 = 0 0 0 0 0 0 0 1 0
–   Glaurung 2.0.1 64-bit2838+23
−23
(+127)11 − 15
(+8−12=6)
42.3%
11.0 / 26
0.0%
+70
53.4%
1939
0.94
1035
1 0 1 = 0 1 0 1 0 1 = = = 0 1 0 1 0 0 1 0 0 0 0 = =
–   Naum 2.0 64-bit2793+21
−21
(+82)10 − 16
(+3−9=14)
38.5%
10.0 / 26
0.0%
+14
55.2%
1018
0.53
562
= = 0 = 0 0 = 0 = 1 = = = 0 = = = = 0 0 1 1 = = 0 0
–   Bright 0.2c2786+23
−23
(+75)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
−14
53.7%
2100
0.69
1127
0 = 1 0 0 = 0 = 0 0 0 0 0 0 0 0 1 = 1 0 1 = 1 0 = 1 = 1
–   Naum 2.0 32-bit2777+26
−26
(+66)13 − 13
(+8−8=10)
50.0%
13.0 / 26
0.0%
+63
56.8%
1527
0.58
867
0 = = = = 1 0 1 0 0 = 1 1 = = = 0 1 0 = 0 1 = 0 1 1
–   Glaurung 1.2.1 64-bit2770+24
−24
(+59)6.5 − 15.5
(+2−11=9)
29.5%
6.5 / 22
0.0%
−70
54.6%
1009
0.80
551
0 = 0 1 0 = 0 = 0 = 0 0 = 0 = = 0 1 = 0 0 =
–   Alaric 7072768+22
−22
(+57)11 − 15
(+8−12=6)
42.3%
11.0 / 26
0.0%
0
54.5%
2056
0.71
1121
= = = 0 1 1 = 1 = 1 1 1 0 1 0 0 1 0 0 0 0 0 = 0 0 0
–   Scorpio 2.0 32-bit2754+23
−23
(+43)11 − 15
(+7−11=8)
42.3%
11.0 / 26
0.1%
−11
52.7%
1872
0.76
987
1 = 0 = 0 0 0 = 1 0 0 1 1 0 1 1 0 = = = = 0 = 0 1 0
–   Scorpio 1.912739+26
−26
(+28)15 − 13
(+11−9=8)
53.6%
15.0 / 28
2.9%
+54
56.1%
1749
0.66
981
0 0 0 0 = = 1 0 1 1 = = = 1 = 0 0 1 1 1 = 1 1 1 = 0 1 0
–   E.T. Chess 13.01.082733+21
−21
(+22)9.5 − 15.5
(+6−12=7)
38.0%
9.5 / 25
4.7%
−59
54.7%
1951
0.78
1067
= 1 0 = 1 0 = 0 1 0 = 0 0 0 0 = 1 = 0 1 1 0 = 0 0
–   Alfil 8.1.1 Optimized2723+21
−21
(+12)10 − 15
(+6−11=8)
40.0%
10.0 / 25
17.3%
−58
55.9%
1658
0.69
926
0 0 = 0 1 = 1 0 = = 0 = 1 1 0 0 = 0 0 1 0 = 1 0 =
–   Movei 00.8.438 (10-10-10)2722+21
−21
(+11)11.5 − 13.5
(+6−8=11)
46.0%
11.5 / 25
19.5%
−18
58.7%
1331
0.62
781
= 1 0 1 = 1 1 0 = = = 0 = = = = = = 0 0 0 0 1 1 0
–   Pro Deo 1.62719+22
−22
(+8)16 − 11
(+12−7=8)
59.3%
16.0 / 27
27.8%
+71
51.4%
2041
0.83
1049
= 0 0 1 0 1 = 1 1 1 0 1 = = = 1 = 0 1 = 1 1 1 0 0 1 =
–   Delfi 5.22718+21
−21
(+7)13.5 − 11.5
(+11−9=5)
54.0%
13.5 / 25
28.3%
+39
58.9%
1942
0.85
1143
1 1 0 0 1 = 0 = 1 0 0 1 0 1 1 1 0 1 = 0 0 = 1 1 =
–   WildCat 72718+19
−19
(+7)12.5 − 11.5
(+9−8=7)
52.1%
12.5 / 24
27.9%
+20
55.3%
1681
0.71
930
1 0 0 1 1 = 0 1 = 0 = = 1 0 = 1 = 0 1 1 0 = 0 1
–   Zappa 1.1 64-bit2717+19
−19
(+6)12 − 14
(+8−10=8)
46.2%
12.0 / 26
29.1%
−22
53.5%
1542
0.75
825
1 1 0 1 = 0 0 = = 0 = = 0 = 1 1 1 1 1 = 0 0 0 0 = 0
–   Slow Chess Blitz WV2.12716+19
−19
(+5)12 − 15
(+6−9=12)
44.4%
12.0 / 27
34.8%
−29
58.1%
1526
0.62
887
0 = 0 = = = 0 = 1 1 = 0 = = 1 0 = = 1 = = 0 1 1 0 0 0
–   Alaric 7042713+26
−26
(+2)11.5 − 17.5
(+7−13=9)
39.7%
11.5 / 29
45.6%
−67
52.2%
2300
0.91
1200
0 = 1 1 0 = = 0 1 1 0 1 0 1 0 0 0 = = 0 = 0 0 = 1 = = 0 0
–   Colossus 2007d2707+20
−20
(−4)13.5 − 7.5
(+11−5=5)
64.3%
13.5 / 21
61.9%
+97
55.7%
1940
0.68
1081
1 0 0 = = 0 1 1 0 = 0 1 1 = 1 1 1 1 = 1 1
–   Pharaon 3.5.12704+19
−19
(−7)14.5 − 14.5
(+12−12=5)
50.0%
14.5 / 29
71.8%
−9
55.8%
2229
0.73
1244
0 = = 0 = 1 1 1 1 0 1 1 0 = 1 0 0 1 0 0 1 0 = 0 1 0 1 1 0
–   List 5.122699+18
−18
(−12)14.5 − 12.5
(+10−8=9)
53.7%
14.5 / 27
85.3%
+12
60.5%
1604
0.62
970
0 1 = = 0 1 1 = 0 = = 1 1 0 1 = 0 1 = 1 = 0 0 0 = 1 1
–   SOS 5.12697+18
−18
(−14)15.5 − 8.5
(+13−6=5)
64.6%
15.5 / 24
88.8%
+94
55.3%
1914
0.72
1058
= 1 1 1 1 1 1 1 0 1 0 0 1 0 = = 1 = 1 1 0 = 0 1
–   Colossus 2007c2694+19
−19
(−17)14 − 14
(+6−6=16)
50.0%
14.0 / 28
92.1%
−17
57.4%
1161
0.83
666
= 1 = = 0 = 1 = 1 1 = 0 0 = = = = = 0 1 = = 0 = = = 0 1
–   Ruffian 1.0.52687+17
−17
(−24)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
97.9%
+19
58.0%
1585
0.60
919
0 = 0 1 1 0 1 = = 1 1 1 0 = 1 = 0 = 1 = 1 0 1 0 = =
–   Petir 4.392682+18
−18
(−29)15.5 − 10.5
(+11−6=9)
59.6%
15.5 / 26
99.3%
+35
58.8%
1845
0.70
1085
0 = 0 1 0 0 1 1 = 1 1 1 1 = = 0 1 = = 1 1 1 = = 0 =
–   Pseudo 0.7c2680+18
−18
(−31)16.5 − 8.5
(+14−6=5)
66.0%
16.5 / 25
99.6%
+90
58.7%
2008
0.85
1179
1 1 0 0 = 0 1 1 = 1 0 0 = 1 1 0 1 = 1 1 1 = 1 1 1
–   Aristarch 4.502671+18
−18
(−40)17 − 14
(+14−11=6)
54.8%
17.0 / 31
100.0%
−4
51.8%
2341
0.82
1213
1 1 = 1 1 1 0 0 1 1 0 = 1 1 0 = 1 1 = = 0 0 = 1 0 0 0 1 0 0 1
–   Petir 4.9999992670+19
−19
(−41)14 − 8
(+11−5=6)
63.6%
14.0 / 22
100.0%
+60
57.8%
1997
0.83
1154
= 1 0 0 1 1 1 1 = = = = 0 1 0 0 = 1 1 1 1 1
–   Hamsters 0.62669+18
−18
(−42)17.5 − 9.5
(+14−6=7)
64.8%
17.5 / 27
100.0%
+62
54.2%
2082
0.63
1129
= = 1 = = 1 1 1 0 1 1 0 = 0 1 1 1 = = 1 1 1 0 0 0 1 1
–   Booot 4.13.12668+18
−18
(−43)14.5 − 13.5
(+10−9=9)
51.8%
14.5 / 28
100.0%
−25
56.8%
1702
0.57
966
1 0 1 1 1 = 1 = 0 = 1 = = 1 0 0 1 = = 0 1 = = 0 0 0 0 1
–   BugChess2 1.5.22661+18
−18
(−50)14.5 − 14.5
(+11−11=7)
50.0%
14.5 / 29
100.0%
−51
55.3%
2212
0.83
1224
0 0 = = 1 1 = 1 0 = 0 1 0 = = 0 1 1 0 1 0 0 1 0 1 1 1 = 0
–   Jonny 2.832652+17
−17
(−59)14 − 10
(+10−6=8)
58.3%
14.0 / 24
100.0%
0
50.6%
1758
0.74
889
0 = 1 1 0 0 = 1 1 1 = 0 1 1 1 = = 0 1 = 0 = 1 =
–   Crafty 21.5 64-bit PS2652+17
−17
(−59)16.5 − 11.5
(+13−8=7)
58.9%
16.5 / 28
100.0%
+5
52.2%
2345
0.92
1224
0 1 0 = 0 1 1 1 0 = 1 = 1 1 1 1 1 0 = 1 0 = 1 0 = 1 = 0
–   The Baron 1.8.12651+18
−18
(−60)15.5 − 12.5
(+14−11=3)
55.4%
15.5 / 28
100.0%
−16
49.2%
2602
0.93
1279
1 1 1 0 1 0 0 = 1 0 1 0 0 1 = 1 1 0 1 1 1 1 0 0 = 0 0 1
–   Anaconda 2.0.12644+17
−17
(−67)14.5 − 11.5
(+11−8=7)
55.8%
14.5 / 26
100.0%
−25
58.5%
1768
0.82
1035
= = 0 1 0 1 = 1 1 1 = 0 1 0 1 0 1 1 0 0 = 0 = = 1 1
–   Movei 00.8.4032643+22
−22
(−68)15 − 12
(+12−9=6)
55.6%
15.0 / 27
100.0%
−26
54.6%
2219
0.70
1212
0 = 1 1 0 0 0 0 1 1 1 = 1 0 = = 0 = 0 = 1 1 1 1 1 1 0
–   Fritz 5.322643+17
−17
(−68)16.5 − 10.5
(+12−6=9)
61.1%
16.5 / 27
100.0%
+10
58.8%
1653
0.89
972
0 1 = 1 = = = = 1 0 1 0 = = 1 1 = 1 0 1 1 0 = 1 0 1 1
–   Thinker 4.7a2634+17
−17
(−77)13 − 13
(+9−9=8)
50.0%
13.0 / 26
100.0%
−78
54.5%
1732
0.83
944
0 0 = 0 1 = 0 0 1 = 1 0 0 1 = 0 = = 1 1 = 1 1 1 0 =
–   SmarThink 0.17a2633+16
−16
(−78)17.5 − 8.5
(+15−6=5)
67.3%
17.5 / 26
100.0%
+52
56.7%
2037
0.55
1154
= 1 1 1 = 0 1 1 1 1 0 1 = 0 1 1 = 0 1 0 1 0 1 = 1 1
–   Fritz 6 Light2627+19
−19
(−84)19 − 9
(+16−6=6)
67.9%
19.0 / 28
100.0%
+47
59.1%
2239
0.83
1324
= 1 1 0 1 = 1 0 0 1 = = 1 1 1 1 1 1 1 1 0 1 0 1 0 = = 1
–   Trace 1.37a2622+17
−17
(−89)16.5 − 11.5
(+12−7=9)
58.9%
16.5 / 28
100.0%
−31
56.1%
1772
0.68
994
= 0 = 1 = 0 1 1 = = = 0 = 1 0 1 1 1 0 = = 0 1 1 0 1 1 1
–   AnMon 5.602621+18
−18
(−90)13 − 12
(+11−10=4)
52.0%
13.0 / 25
100.0%
−74
53.2%
1644
0.76
875
1 0 0 0 1 0 1 0 1 0 1 1 = = 1 1 = = 0 1 1 1 0 0 0
–   Yace 0.99.872609+17
−17
(−102)14 − 11
(+10−7=8)
56.0%
14.0 / 25
100.0%
−62
51.2%
1819
0.90
932
= = = = 1 0 = 0 1 0 1 1 0 1 1 1 1 = = 0 1 1 0 0 =
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(−104)14 − 11
(+11−8=6)
56.0%
14.0 / 25
100.0%
−64
50.8%
1835
0.79
933
0 1 = 1 1 0 0 0 = = 0 1 = 1 1 1 = = 1 0 1 1 0 0 1

Performance

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

Perf = C + 0.123 [±0.227] * 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