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
Glaurung 1.2.1 64-bit UCI (2770+24
−24
)Quote
Author: Tord Romstad (Norway) Released: 2006-07-22Link: Homepage
This engine is stable and runs without issues.
This is one of the 2 Glaurung versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+118)7 − 18
(+2−13=10)
28.0%
7.0 / 25
0.0%
−18
58.3%
1505
0.57
877
0 = 1 = 0 = = 0 0 = 0 = 1 = 0 0 0 0 = 0 0 = 0 0 =
–   Glaurung 2.0.1 64-bit2838+23
−23
(+68)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
+3
60.7%
1938
0.68
1177
0 = = 0 = 0 0 1 1 0 1 1 = 0 0 0 1 1 0 0 1 = = 0 0 = 1 = = 0 0 =
–   Naum 2.0 64-bit2793+21
−21
(+23)14 − 18
(+8−12=12)
43.8%
14.0 / 32
5.7%
−13
57.2%
1823
0.67
1042
0 0 = 1 0 1 = 0 = 1 0 = = 0 0 0 = = = 1 = 1 = 1 0 1 = 1 = 0 0 0
–   Naum 2.0 32-bit2777+26
−26
(+7)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
33.0%
−45
57.4%
2138
0.74
1227
0 0 0 = = = = 1 1 0 0 1 = 1 0 = 0 1 0 0 0 1 0 = 0 = 1 = 1 0 = =
–   Alaric 7072768+22
−22
(−2)10 − 13
(+7−10=6)
43.5%
10.0 / 23
53.2%
−45
55.7%
1944
0.46
1083
0 0 = = 0 1 0 0 1 1 1 = 1 = 1 0 = = 0 0 0 1 0
–   Scorpio 1.912739+26
−26
(−31)17.5 − 9.5
(+14−6=7)
64.8%
17.5 / 27
97.1%
+73
58.8%
1887
0.81
1109
1 0 1 1 = = = 1 0 1 1 = 0 0 1 = = 1 1 = 1 1 1 1 0 1 0
–   Movei 00.8.438 (10-10-10)2722+21
−21
(−48)17.5 − 9.5
(+11−3=13)
64.8%
17.5 / 27
100.0%
+41
63.1%
1158
0.42
731
= 0 = = = 1 = 1 1 1 1 0 0 = 1 = 1 1 1 1 = = = 1 = = =
–   WildCat 72718+19
−19
(−52)16.5 − 14.5
(+10−8=13)
53.2%
16.5 / 31
100.0%
−29
54.0%
1658
0.69
896
0 = 1 0 = 1 0 = 1 = 1 = = = = 0 0 1 1 0 1 = 0 0 = 1 = 1 = = 1
–   Zappa 1.1 64-bit2717+19
−19
(−53)20 − 12
(+14−6=12)
62.5%
20.0 / 32
100.0%
+27
55.3%
2207
0.67
1221
= 1 1 = 1 0 = 1 1 1 = 0 1 0 = 1 0 = 1 = 0 = 1 = 1 1 = = = 1 0 1
–   Slow Chess Blitz WV2.12716+19
−19
(−54)19 − 13
(+13−7=12)
59.4%
19.0 / 32
100.0%
+5
58.0%
2116
0.62
1227
= 1 1 0 1 0 0 1 0 = 1 = = 1 = 1 0 = = = 0 1 1 1 0 = 1 1 1 = = =
–   Alaric 7042713+26
−26
(−57)19.5 − 7.5
(+15−3=9)
72.2%
19.5 / 27
100.0%
+94
57.8%
1559
0.65
901
1 = 1 1 1 0 = = = 1 0 0 1 = = = 1 1 = 1 1 1 1 1 1 = 1
–   Frenzee 3.0 64-bit2711+19
−19
(−59)15.5 − 6.5
(+11−2=9)
70.5%
15.5 / 22
100.0%
+70
54.6%
1009
0.80
551
1 = 1 0 1 = 1 = 1 = 1 1 = 1 = = 1 0 = 1 1 =
–   Pharaon 3.5.12704+19
−19
(−66)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
100.0%
−55
57.8%
2502
0.54
1447
= 0 1 1 1 1 = = 1 1 = 1 0 = 0 0 1 0 1 0 0 0 = 0 0 = = 1 1 = 1 0
–   List 5.122699+18
−18
(−71)12 − 20
(+8−16=8)
37.5%
12.0 / 32
100.0%
−158
55.1%
2406
0.69
1325
1 0 0 0 1 0 0 0 1 = 0 0 = 1 0 0 0 = 0 = 0 = = 1 = 1 1 0 0 = 1 0
–   SOS 5.12697+18
−18
(−73)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−28
57.2%
2479
0.74
1419
0 = = 1 1 0 0 0 1 1 0 = 1 = 0 1 0 1 = 1 0 1 = 1 1 1 0 0 1 = = 1
–   Colossus 2007c2694+19
−19
(−76)16 − 10
(+14−8=4)
61.5%
16.0 / 26
100.0%
+13
59.3%
2317
0.64
1374
1 1 1 0 1 0 1 1 = = 1 0 0 0 1 0 1 1 = = 0 1 0 1 1 1
–   Ruffian 1.0.52687+17
−17
(−83)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+34
56.9%
2429
0.61
1381
= 1 1 0 1 = 0 1 0 1 0 = = = 1 1 1 1 1 1 1 1 1 1 0 0 1 0 = 1 1 0
–   Petir 4.392682+18
−18
(−88)19.5 − 10.5
(+15−6=9)
65.0%
19.5 / 30
100.0%
+12
59.9%
2127
0.54
1274
1 = = 1 1 1 = 0 1 = 1 0 = 0 1 1 = 1 = 1 = 1 1 = 0 0 1 1 0 1
–   Pseudo 0.7c2680+18
−18
(−90)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
+4
58.7%
2092
0.60
1228
1 0 1 0 = 1 1 0 = 1 1 0 = 1 0 1 = = 1 1 = = 1 = 1 = 1 1 = 1 = 0
–   Aristarch 4.502671+18
−18
(−99)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+3
54.3%
2263
0.85
1228
= = = 1 1 0 1 0 0 1 = 1 = = 1 1 0 0 1 1 0 1 0 1 0 1 1 = 1 1 1 1
–   Booot 4.13.12668+18
−18
(−102)15 − 11
(+10−6=10)
57.7%
15.0 / 26
100.0%
−53
53.6%
1898
0.68
1018
0 1 = 0 0 1 1 1 1 0 1 1 1 0 = = = = = = = 0 1 1 = =
–   Crafty 21.5 64-bit PS2652+17
−17
(−118)21 − 6
(+17−2=8)
77.8%
21.0 / 27
100.0%
+76
55.3%
1808
0.72
1000
1 0 1 1 1 1 1 = = = 1 1 1 1 = = = 1 0 1 1 1 1 = 1 1 =
–   SmarThink 0.17a2633+16
−16
(−137)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+27
53.6%
2229
0.71
1194
1 0 1 = 1 = = 0 1 1 0 1 = 1 1 0 1 1 1 1 1 = 1 1 1 0 1 1 = 1 1 0

Performance

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

Perf = C − 0.135 [±0.393] * 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