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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Glaurung 2.0.1 64-bit UCI#3  (2838+23
−23		)Quote
Author: Tord Romstad (Norway) Released: 2007-11-22Link: 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		(+50)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
0.0%
+22
60.8%
1921
0.65
1168
1 0 = 0 = 0 = = 0 0 = = = = = 1 1 1 = 0 0 = 0 1 = 0 0 = 0 1 1 1
–   Spike 1.2 Turin2842+23
−23		(+4)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
40.3%
+34
61.1%
2235
0.60
1366
= 1 = 0 0 1 = 1 0 0 1 1 1 1 = 1 0 = 1 0 = 1 = 0 1 0 0 1 = 0 1 =
–   Frenzee Feb08 64-bit2810+24
−24		(−28)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
97.1%
+27
54.2%
2559
1.14
1387
= 1 0 1 1 = 1 0 = 1 0 0 1 0 1 1 1 0 1 = 1 0 0 1 1 = = 1 = 0 0 1
–   Delfi 5.42801+24
−24		(−37)22 − 10
(+19−7=6)
68.8%
22.0 / 32
99.3%
+104
61.7%
2423
0.81
1494
1 0 1 1 1 1 = 1 0 0 1 1 = 1 0 1 1 1 1 = 0 1 1 = 1 1 1 0 = 0 1 =
–   Naum 2.0 64-bit2793+21
−21		(−45)16.5 − 15.5
(+9−8=15)
51.6%
16.5 / 32
100.0%
−36
58.4%
1694
0.78
989
1 = 0 = = 0 = 0 1 = = 0 0 = = = 1 = 1 1 = = 0 1 = = = 0 1 1 0 1
–   Bright 0.2c2786+23
−23		(−52)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
+41
60.9%
1784
0.90
1086
1 = 1 = = = 0 1 1 1 0 = = = 0 = 0 1 1 = 1 1 1 1 0 1 1 1 1 = 0 =
–   Naum 2.0 32-bit2777+26
−26		(−61)13.5 − 12.5
(+8−7=11)
51.9%
13.5 / 26
100.0%
−50
52.6%
1493
0.57
786
1 0 = = 1 1 0 = 0 1 = = = 1 0 1 1 = 0 = = 0 0 1 = =
–   Glaurung 1.2.1 64-bit2770+24
−24		(−68)19 − 13
(+14−8=10)
59.4%
19.0 / 32
100.0%
−3
60.7%
1938
0.68
1177
1 = = 1 = 1 1 0 0 1 0 0 = 1 1 1 0 0 1 1 0 = = 1 1 = 0 = = 1 1 =
–   Alaric 7072768+22
−22		(−70)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
+13
61.4%
2294
0.88
1409
1 0 0 0 = 1 = = 1 0 1 = = = 1 0 1 = 1 1 0 = 0 1 1 = 1 1 = 1 1 1
–   Scorpio 2.0 32-bit2754+23
−23		(−84)16.5 − 8.5
(+11−3=11)
66.0%
16.5 / 25
100.0%
+16
56.5%
1448
0.76
818
1 = 1 1 1 1 1 = = 0 0 = = = 1 = = = 1 = 1 = 1 1 0
–   E.T. Chess 13.01.082733+21
−21		(−105)21.5 − 7.5
(+18−4=7)
74.1%
21.5 / 29
100.0%
+69
56.0%
1934
0.76
1084
= 1 1 = 1 1 1 0 1 1 1 1 = 1 = 1 = = = 1 1 0 1 0 1 1 1 0 1
–   WildCat 82730+22
−22		(−108)20 − 12
(+13−5=14)
62.5%
20.0 / 32
100.0%
−33
58.7%
1821
1.07
1069
= 1 = = = 1 = 1 = 0 = 1 1 = = = = 1 1 1 1 = 1 1 0 0 = 1 0 0 = 1
–   Alfil 8.1.1 Optimized2723+21
−21		(−115)16 − 10
(+8−2=16)
61.5%
16.0 / 26
100.0%
−50
55.2%
1030
0.76
569
= 1 = = 1 = = = 1 1 = = = = = = = = 1 1 = 1 1 0 = 0
–   Movei 00.8.438 (10-10-10)2722+21
−21		(−116)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+96
58.1%
1905
0.81
1106
= 1 1 1 = 0 0 1 = 1 1 1 1 = 1 1 1 1 1 1 = = 1 0 = 1 1 1 1 1
–   Pro Deo 1.62719+22
−22		(−119)18.5 − 9.5
(+17−8=3)
66.1%
18.5 / 28
100.0%
+10
54.7%
2408
0.99
1318
1 1 1 1 1 1 = 0 0 0 1 0 1 1 1 1 0 1 = 1 1 1 1 0 0 1 0 =
–   Delfi 5.22718+21
−21		(−120)12.5 − 11.5
(+7−6=11)
52.1%
12.5 / 24
100.0%
−110
61.6%
1326
0.85
817
1 0 1 1 = 1 = = 0 1 = 0 = = = 0 1 1 0 = = = 0 =
–   WildCat 72718+19
−19		(−120)17.5 − 6.5
(+15−4=5)
72.9%
17.5 / 24
100.0%
+50
56.6%
1833
0.92
1037
1 = 1 0 1 1 1 1 1 = 1 1 1 = 1 0 0 1 = 1 = 0 1 1
–   Zappa 1.1 64-bit2717+19
−19		(−121)19.5 − 8.5
(+14−3=11)
69.6%
19.5 / 28
100.0%
+4
59.8%
1462
0.76
875
= 1 1 1 1 = 1 1 = 1 1 = 0 = 1 1 1 = 1 = 0 = = = = 1 1 0
–   Slow Chess Blitz WV2.12716+19
−19		(−122)19.5 − 5.5
(+16−2=7)
78.0%
19.5 / 25
100.0%
+81
58.5%
1589
0.79
930
1 1 = 1 0 = 0 1 1 1 1 1 1 = 1 = = 1 1 1 1 = = 1 1
–   Frenzee 3.0 64-bit2711+19
−19		(−127)15 − 11
(+12−8=6)
57.7%
15.0 / 26
100.0%
−70
53.4%
1939
0.94
1035
0 1 0 = 1 0 1 0 1 0 = = = 1 0 1 0 1 1 0 1 1 1 1 = =
–   Colossus 2007d2707+20
−20		(−131)17 − 11
(+12−6=10)
60.7%
17.0 / 28
100.0%
−59
61.1%
1569
0.70
958
= 0 = = 1 1 1 1 1 0 = 0 = = 1 1 0 1 0 = 0 = = 1 1 1 = 1
–   Pharaon 3.5.12704+19
−19		(−134)19 − 11
(+14−6=10)
63.3%
19.0 / 30
100.0%
−43
55.6%
1847
0.79
1027
1 1 0 1 0 = = 1 1 0 = 0 1 = = 0 0 = = 1 1 1 1 1 1 = = = 1 1
–   List 5.122699+18
−18		(−139)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
+18
58.6%
1585
0.98
929
1 1 = 1 = 1 = 1 1 0 = 0 1 = 1 1 = 1 1 = 1 1 1 = 1 1 = 0 1 =
–   SOS 5.12697+18
−18		(−141)17.5 − 8.5
(+14−5=7)
67.3%
17.5 / 26
100.0%
−19
57.7%
1507
0.85
869
1 1 = 1 1 = 0 1 = = 1 1 1 = 1 0 0 = = 1 1 0 1 0 1 1
–   Colossus 2007c2694+19
−19		(−144)18.5 − 5.5
(+16−3=5)
77.1%
18.5 / 24
100.0%
+62
58.3%
1670
1.03
974
0 1 = 1 1 0 1 1 1 1 1 1 = 1 = 1 = 1 1 = 1 1 1 0
–   Ruffian 1.0.52687+17
−17		(−151)14.5 − 8.5
(+11−5=7)
63.0%
14.5 / 23
100.0%
−61
56.6%
1404
0.70
794
= = 1 1 1 0 = 0 1 = 1 = 1 = 0 1 1 1 = 1 0 0 1
–   Pseudo 0.7c2680+18
−18		(−158)18.5 − 8.5
(+14−4=9)
68.5%
18.5 / 27
100.0%
−35
62.2%
1633
0.82
1016
= = = 1 1 = 1 1 = 1 1 = 1 = 0 1 1 1 0 0 = 0 1 = 1 1 1
–   Booot 4.13.12668+18
−18		(−170)17 − 8
(+13−4=8)
68.0%
17.0 / 25
100.0%
−48
59.6%
1929
0.65
1149
1 1 1 = 1 1 1 = 0 0 1 1 0 = = = = = 1 0 1 1 1 1 =
792 games in total: 378 wins, 158 losses, 256 draws (32.3%), score: 63.9%
Average opponent: −93.9 (2744.1), average distance to opponent: 98.2

Performance

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

Perf = C + 0.318 [±0.384] * 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