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

Options
Show each game results
Delfi 5.4 UCI#5  (2801+24
−24		)Quote
Author: Fabio Cavicchio (Italy) Released: 2008-07-24Link: Delfi
This engine is stable and runs without issues.
This is one of the 2 Delfi versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Fruit 2.3 32-bit2888+23
−23		(+87)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
−55
61.2%
2185
0.38
1338
0 = = 1 0 0 0 = 1 1 = 0 = = 0 0 = 0 0 1 0 0 = = 0 0 1 0 0 0 0 0
–   Spike 1.2 Turin2842+23
−23		(+41)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.3%
+4
62.7%
2467
0.73
1546
= 0 0 = 0 0 1 1 0 0 1 1 0 0 0 = 1 1 0 0 = 1 0 0 1 0 1 1 1 1 = 0
–   Glaurung 2.0.1 64-bit2838+23
−23		(+37)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.7%
−104
61.7%
2423
0.81
1494
0 1 0 0 0 0 = 0 1 1 0 0 = 0 1 0 0 0 0 = 1 0 0 = 0 0 0 1 = 1 0 =
–   Frenzee Feb08 64-bit2810+24
−24		(+9)16 − 16
(+12−12=8)
50.0%
16.0 / 32
29.7%
+10
57.1%
2011
1.07
1149
1 0 1 = 0 1 0 = 1 = = 1 0 1 1 0 = 1 1 = 1 0 0 0 1 0 1 = 0 0 = 0
–   Naum 2.0 64-bit2793+21
−21		(−8)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
72.8%
+60
56.2%
2098
0.48
1179
= = 0 1 1 1 1 = 1 0 = 1 1 1 = = = 1 = 1 0 0 = = = = 1 1 1 0 = 0
–   Bright 0.2c2786+23
−23		(−15)18.5 − 13.5
(+12−7=13)
57.8%
18.5 / 32
84.9%
+33
59.5%
1972
0.55
1173
= 0 1 = 1 0 = 1 0 0 = = = = 1 = = = = 1 0 0 1 1 1 0 = 1 1 1 1 =
–   Alaric 7072768+22
−22		(−33)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
98.7%
+37
61.8%
2227
0.46
1376
= 1 0 0 1 1 = 1 = = = = 0 1 1 1 = 0 0 1 = = 1 = 1 1 1 1 0 1 = 0
–   Scorpio 2.0 32-bit2754+23
−23		(−47)19 − 13
(+16−10=6)
59.4%
19.0 / 32
99.9%
+23
61.4%
2593
0.71
1593
1 1 1 1 1 1 0 0 1 0 1 1 = = 0 0 1 = 1 0 0 0 0 = 1 0 = = 1 1 1 1
–   E.T. Chess 13.01.082733+21
−21		(−68)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
+10
56.9%
2465
0.62
1402
1 1 1 1 1 1 = 0 0 1 = 1 = 1 = 1 = 0 0 = = 0 1 0 0 1 0 1 = 1 = 1
–   WildCat 82730+22
−22		(−71)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
0
56.3%
1708
0.47
962
1 1 1 0 1 = = 1 = 1 = 1 0 = 1 = 0 0 = 1 0 = 0 1 = 1 1 1 1 0 = =
–   Alfil 8.1.1 Optimized2723+21
−21		(−78)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
+35
59.7%
2025
0.56
1208
1 = 1 1 = 1 1 = 0 1 = 1 = = 1 1 1 0 = = 1 0 = 1 = 0 0 1 1 1 1 =
–   Movei 00.8.438 (10-10-10)2722+21
−21		(−79)18 − 14
(+12−8=12)
56.3%
18.0 / 32
100.0%
−38
58.6%
2105
0.50
1234
0 0 = 1 1 1 1 1 0 = 1 = = 1 = 1 1 1 = 0 0 0 = 1 0 = 0 = = 1 = =
–   Pro Deo 1.62719+22
−22		(−82)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+37
55.1%
2278
0.51
1255
0 0 0 1 0 1 = 1 = 1 1 1 1 1 1 1 = = 0 = 0 1 1 = = 1 1 1 1 = = 1
–   Zappa 1.1 64-bit2717+19
−19		(−84)21 − 11
(+16−6=10)
65.6%
21.0 / 32
100.0%
+22
61.2%
2076
0.53
1270
1 = 0 1 1 = 1 1 1 0 = = = 1 1 1 1 1 = 0 1 = 1 1 1 1 0 = = = 0 0
–   Slow Chess Blitz WV2.12716+19
−19		(−85)18 − 14
(+13−9=10)
56.3%
18.0 / 32
100.0%
−44
57.1%
2179
0.52
1245
1 1 1 = = 0 1 0 0 0 = 1 0 0 = 1 1 = 0 1 1 0 1 = = 0 = = = 1 1 1
–   Colossus 2007d2707+20
−20		(−94)18 − 14
(+10−6=16)
56.3%
18.0 / 32
100.0%
−56
58.3%
1373
0.47
800
0 0 1 0 1 1 = 0 1 = = = 1 = = = 1 = 1 = 1 0 = 0 = 1 1 = = = = =
–   Pharaon 3.5.12704+19
−19		(−97)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
+2
58.3%
2026
0.58
1182
= 1 1 = 1 = = = 1 = 1 0 = 1 0 1 1 1 1 1 = 1 0 1 = = 0 1 0 = 1 =
–   List 5.122699+18
−18		(−102)23 − 9
(+16−2=14)
71.9%
23.0 / 32
100.0%
+33
61.9%
1731
0.54
1071
= 0 1 = = = 1 = 1 = 1 = 1 1 1 1 = 0 1 = 1 1 1 = = = 1 1 = 1 = 1
–   SOS 5.12697+18
−18		(−104)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
−15
57.9%
1877
0.56
1086
1 0 0 1 1 = 0 = = = 1 0 1 1 1 = = = 1 0 = 1 = = 1 = = 1 1 1 1 =
–   Ruffian 1.0.52687+17
−17		(−114)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+14
57.1%
1807
0.52
1031
1 1 1 1 = 1 0 1 = 1 1 1 = = 0 1 0 = = 0 1 = = 1 0 = 1 1 1 1 1 =
–   Pseudo 0.7c2680+18
−18		(−121)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−7
63.5%
2159
0.52
1370
0 1 1 0 1 1 = 1 = = 1 1 = 0 1 = = 1 = 1 = = 1 1 1 1 1 0 0 = 1 =
–   The Baron 2.23 64-bit2669+19
−19		(−132)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
−7
57.4%
2144
0.71
1230
= 0 0 = 1 0 1 1 1 1 1 0 1 = 1 1 1 1 0 = 1 0 1 = 0 1 = 1 1 = 1 1
704 games in total: 300 wins, 178 losses, 226 draws (32.1%), score: 58.7%
Average opponent: −56.4 (2744.6), average distance to opponent: 72.2

Performance

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

Perf = C − 0.141 [±0.285] * 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