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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Naum 2.0 32-bit UCI (2777+26
−26		)Quote
Author: Aleksandar Naumov (Serbia/Canada) Released: 2006-09-12Links: Homepage, SuperChessEngine.com
This engine is stable and runs without issues.
This is one of the 2 Naum versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Fruit 2.3 32-bit2888+23
−23		(+111)7.5 − 14.5
(+4−11=7)
34.1%
7.5 / 22
0.0%
0
60.2%
1472
0.59
886
0 0 1 = 1 = = 0 0 0 0 0 = = 1 = 0 0 0 0 1 =
–   Glaurung 2.0.1 64-bit2838+23
−23		(+61)12.5 − 13.5
(+7−8=11)
48.1%
12.5 / 26
0.0%
+50
52.6%
1493
0.57
786
0 1 = = 0 0 1 = 1 0 = = = 0 1 0 0 = 1 = = 1 1 0 = =
–   Glaurung 1.2.1 64-bit2770+24
−24		(−7)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
67.0%
+45
57.4%
2138
0.74
1227
1 1 1 = = = = 0 0 1 1 0 = 0 1 = 1 0 1 1 1 0 1 = 1 = 0 = 0 1 = =
–   Alaric 7072768+22
−22		(−9)16 − 12
(+11−7=10)
57.1%
16.0 / 28
70.5%
+37
56.6%
1690
0.61
957
1 0 1 1 = 1 = 1 1 0 = 1 = 0 1 0 1 = = 0 = 0 = 1 = 0 = 1
–   Scorpio 1.912739+26
−26		(−38)15.5 − 13.5
(+10−8=11)
53.4%
15.5 / 29
98.8%
−12
57.8%
1608
0.56
930
0 1 = = = = 1 1 0 1 0 1 = 0 0 1 = = = 1 0 0 = 1 1 = 1 = 0
–   E.T. Chess 13.01.082733+21
−21		(−44)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
99.8%
−18
57.5%
1554
0.68
893
= 0 0 = 0 0 = 0 1 1 1 = = = 1 1 0 1 0 = = = 1 1 1
–   Alfil 8.1.1 Optimized2723+21
−21		(−54)15.5 − 9.5
(+11−5=9)
62.0%
15.5 / 25
100.0%
+26
56.7%
1495
0.78
847
1 1 1 0 = 0 = 1 1 = = 1 1 1 0 = 0 0 1 1 = = = = 1
–   Movei 00.8.438 (10-10-10)2722+21
−21		(−55)14.5 − 12.5
(+8−6=13)
53.7%
14.5 / 27
100.0%
−32
59.2%
1320
0.66
781
= 0 = 1 = 0 = = 0 1 1 = 0 0 = = 1 = = = 1 0 1 1 = 1 =
–   Pro Deo 1.62719+22
−22		(−58)10 − 14
(+4−8=12)
41.7%
10.0 / 24
100.0%
−103
51.0%
1371
0.53
699
= 1 0 = 1 0 1 = 0 = 0 = = = 0 0 0 = = = = = 0 1
–   WildCat 72718+19
−19		(−59)16.5 − 14.5
(+8−6=17)
53.2%
16.5 / 31
100.0%
−38
57.9%
1378
0.52
798
= = = 1 0 = 0 1 = 0 0 1 1 = = 1 = 1 = 0 = = 0 = 1 = = = = 1 =
–   Zappa 1.1 64-bit2717+19
−19		(−60)19.5 − 11.5
(+14−6=11)
62.9%
19.5 / 31
100.0%
+25
55.2%
1780
0.58
983
0 1 = 1 = = = 1 0 = = 1 1 1 = = 0 0 1 1 0 1 1 = 1 = 1 0 1 = 1
–   Alaric 7042713+26
−26		(−64)19 − 5
(+15−1=8)
79.2%
19.0 / 24
100.0%
+132
58.2%
1542
0.76
897
1 1 1 = 1 = = 1 = 1 1 = = 1 1 0 1 1 1 = = 1 1 1
–   Frenzee 3.0 64-bit2711+19
−19		(−66)13 − 13
(+8−8=10)
50.0%
13.0 / 26
100.0%
−63
56.8%
1527
0.58
867
1 = = = = 0 1 0 1 1 = 0 0 = = = 1 0 1 = 1 0 = 1 0 0
–   Colossus 2007d2707+20
−20		(−70)13 − 12
(+10−9=6)
52.0%
13.0 / 25
100.0%
−56
54.6%
2060
0.72
1124
1 0 0 1 1 = 0 1 0 1 0 1 0 = 1 0 0 0 = = 1 1 1 = =
–   Pharaon 3.5.12704+19
−19		(−73)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
−24
52.8%
2317
0.68
1224
1 0 1 0 = = = 0 1 0 = 1 = 0 = = 1 1 1 0 = 1 1 0 1 1 = 1 0 = = 1
–   Colossus 2007c2694+19
−19		(−83)15.5 − 7.5
(+12−4=7)
67.4%
15.5 / 23
100.0%
+32
50.8%
1527
0.74
776
1 1 = 1 1 1 = 1 = 1 1 0 1 1 1 = 1 = 0 0 = 0 =
–   Ruffian 1.0.52687+17
−17		(−90)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
100.0%
+24
60.0%
2846
0.62
1708
1 1 1 1 1 1 0 1 0 1 1 1 0 0 1 1 = 0 1 1 0 1 1 1 = 1 0 = 0 0 1 0
–   Petir 4.392682+18
−18		(−95)19 − 10
(+14−5=10)
65.5%
19.0 / 29
100.0%
+9
58.5%
1693
0.77
990
1 = = 1 1 1 = = 1 0 1 = 1 = = = 1 1 0 0 0 = 1 1 1 0 1 = 1
–   Aristarch 4.502671+18
−18		(−106)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−54
56.7%
2200
0.82
1247
1 = 0 1 0 1 0 1 0 = 1 = = 1 = 1 0 = = 0 0 1 1 1 0 = 1 = 1 1 0 1
–   Crafty 21.5 64-bit PS2652+17
−17		(−125)20.5 − 7.5
(+19−6=3)
73.2%
20.5 / 28
100.0%
+64
57.4%
2236
0.71
1283
1 1 = 1 1 1 0 1 1 = 1 1 0 1 0 1 1 1 1 0 1 1 = 0 1 0 1 1
551 games in total: 223 wins, 140 losses, 188 draws (34.1%), score: 57.5%
Average opponent: −51.4 (2725.6), average distance to opponent: 66.1

Performance

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

Perf = C + 0.111 [±0.448] * 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