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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Alaric 704 UCI (2713+26
−26		)Quote
Author: Peter Fendrich (Sweden) Released: 2007-04-02Link: Homepage
Alaric is a new engine by the author of Terra.
This engine is stable and runs without issues.
This is one of the 2 Alaric versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Naum 2.0 64-bit2793+21
−21		(+80)10 − 15
(+4−9=12)
40.0%
10.0 / 25
0.0%
+15
58.5%
1113
0.63
651
0 = = 0 0 = = 0 = 0 = = 0 = 0 = 1 0 1 = 0 1 1 = =
–   Naum 2.0 32-bit2777+26
−26		(+64)5 − 19
(+1−15=8)
20.8%
5.0 / 24
0.0%
−132
58.2%
1542
0.76
897
0 0 0 = 0 = = 0 = 0 0 = = 0 0 1 0 0 0 = = 0 0 0
–   Glaurung 1.2.1 64-bit2770+24
−24		(+57)7.5 − 19.5
(+3−15=9)
27.8%
7.5 / 27
0.0%
−94
57.8%
1559
0.65
901
0 = 0 0 0 1 = = = 0 1 1 0 = = = 0 0 = 0 0 0 0 0 0 = 0
–   Scorpio 1.912739+26
−26		(+26)10.5 − 17.5
(+6−13=9)
37.5%
10.5 / 28
6.0%
−60
58.5%
1636
0.87
957
0 = = 0 0 0 0 1 = 0 1 = = = = 1 1 0 0 0 1 0 1 0 = = 0 0
–   WildCat 72718+19
−19		(+5)19 − 12
(+13−6=12)
61.3%
19.0 / 31
35.7%
+79
60.5%
2143
0.49
1296
= 1 0 = 0 0 0 1 0 = 1 1 1 = = = 1 = 1 0 = = = = 1 1 1 1 1 = 1
–   Zappa 1.1 64-bit2717+19
−19		(+4)13 − 16
(+8−11=10)
44.8%
13.0 / 29
36.9%
−32
58.8%
1740
0.79
1023
1 0 0 0 = 1 1 = 1 0 0 = 0 = 1 0 0 0 0 1 = = = = 1 = 1 0 =
–   Slow Chess Blitz WV2.12716+19
−19		(+3)14.5 − 13.5
(+11−10=7)
51.8%
14.5 / 28
41.8%
+18
61.1%
2023
0.54
1236
= 0 0 0 1 = = = = 0 0 1 0 = 1 1 1 = 0 1 1 1 0 0 1 1 0 1
–   Frenzee 3.0 64-bit2711+19
−19		(−2)17.5 − 11.5
(+13−7=9)
60.3%
17.5 / 29
54.4%
+67
52.2%
2300
0.91
1200
1 = 0 0 1 = = 1 0 0 1 0 1 0 1 1 1 = = 1 = 1 1 = 0 = = 1 1
–   Pharaon 3.5.12704+19
−19		(−9)14 − 15
(+8−9=12)
48.3%
14.0 / 29
71.9%
−17
61.2%
1707
0.46
1045
0 0 = 1 0 0 0 = 0 1 0 = 1 = = 1 = 1 0 1 = 1 0 = 1 = = = =
–   List 5.122699+18
−18		(−14)12.5 − 19.5
(+5−12=15)
39.1%
12.5 / 32
83.1%
−81
58.1%
1622
0.64
943
= = 1 = 0 = = = 0 0 = = 0 0 0 1 0 = = 1 = 0 = 0 = 0 1 = = 0 1 0
–   SOS 5.12697+18
−18		(−16)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
86.2%
+97
56.7%
2210
0.73
1253
1 = = = = 1 = = 1 1 1 1 1 0 0 1 0 0 = = 1 1 = 1 1 1 1 1 = 1 0 =
–   Ruffian 1.0.52687+17
−17		(−26)16 − 11
(+11−6=10)
59.3%
16.0 / 27
95.8%
+29
58.9%
1854
0.54
1092
= 1 1 1 1 = 1 1 0 0 1 0 = = 0 = 0 = = 1 = 1 0 = = 1 1
–   Petir 4.392682+18
−18		(−31)15 − 11
(+11−7=8)
57.7%
15.0 / 26
98.2%
+21
61.8%
1958
0.50
1211
1 1 1 0 1 = 1 = 0 0 = = 1 0 1 = 0 1 = 1 1 1 = 0 = 0
–   Pseudo 0.7c2680+18
−18		(−33)21 − 11
(+16−6=10)
65.6%
21.0 / 32
98.7%
+73
60.1%
2331
0.44
1400
1 1 0 0 1 1 1 1 1 0 = 1 1 = 0 1 = 1 1 1 = = 1 0 = = 0 = = = 1 1
–   Aristarch 4.502671+18
−18		(−42)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
99.8%
−57
55.1%
1369
0.85
755
0 0 0 = 1 0 1 1 = 0 1 1 = 0 0 1 = = 1 = 0 1 = = 0 =
–   Crafty 21.5 64-bit PS2652+17
−17		(−61)20.5 − 8.5
(+18−6=5)
70.7%
20.5 / 29
100.0%
+95
54.5%
2339
0.67
1275
1 1 = 1 1 1 = 1 0 0 1 0 1 1 0 1 1 1 1 1 = = 1 0 = 1 1 0 1
–   Jonny 2.832652+17
−17		(−61)15.5 − 10.5
(+12−7=7)
59.6%
15.5 / 26
100.0%
+4
55.5%
1783
0.60
990
0 1 1 1 1 = = 1 = 0 0 0 = 1 1 0 = 1 1 = 1 = 1 0 0 1
–   The Baron 1.8.12651+18
−18		(−62)12.5 − 10.5
(+11−9=3)
54.3%
12.5 / 23
100.0%
−33
50.0%
1944
0.93
972
1 0 0 1 1 1 = 0 0 1 1 1 1 0 1 1 = 0 0 = 0 0 1
–   SmarThink 0.17a2633+16
−16		(−80)16 − 13
(+10−7=12)
55.2%
16.0 / 29
100.0%
−43
56.7%
1654
0.72
938
1 = 1 0 1 = 1 = 1 = 0 0 0 = = 1 = = 1 1 1 0 1 = = = 0 0 =
–   Fritz 6 Light2627+19
−19		(−86)15 − 9
(+12−6=6)
62.5%
15.0 / 24
100.0%
+4
61.0%
2209
0.60
1348
1 0 1 0 1 = = 1 1 1 = = 1 0 0 1 = = 1 0 1 1 0 1
556 games in total: 197 wins, 175 losses, 184 draws (33.1%), score: 52.0%
Average opponent: −14.3 (2698.7), average distance to opponent: 36.4

Performance

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

Perf = C − 0.425 [±0.619] * 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