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
Bright 0.2c UCI#7  (2786+23
−23
)Quote
Author: Allard Siemelink (Netherlands) Released: 2007-11-23Link: Homepage
Bright is using 3 to 5-piece bitbases in Scorpio format in this tournament (379 MB).
This engine is stable and runs without issues.
This is the only Bright version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+102)9.5 − 22.5
(+4−17=11)
29.7%
9.5 / 32
0.0%
−33
54.0%
2355
0.44
1272
= = 0 0 = 0 0 = 0 = = = 0 1 0 0 = 0 0 = 0 1 0 0 = 0 0 0 0 1 = 1
–   Spike 1.2 Turin2842+23
−23
(+56)10.5 − 21.5
(+3−14=15)
32.8%
10.5 / 32
0.0%
−47
57.1%
2051
0.75
1172
0 0 0 1 0 = = 0 1 = 1 = = = 0 0 = 0 0 = = 0 = 0 = 0 = = = 0 0 =
–   Glaurung 2.0.1 64-bit2838+23
−23
(+52)11.5 − 20.5
(+6−15=11)
35.9%
11.5 / 32
0.0%
−41
60.9%
1784
0.90
1086
0 = 0 = = = 1 0 0 0 1 = = = 1 = 1 0 0 = 0 0 0 0 1 0 0 0 0 = 1 =
–   Frenzee Feb08 64-bit2810+24
−24
(+24)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
5.9%
−9
53.8%
2569
1.15
1382
1 0 0 0 0 0 0 = 1 1 1 = 1 1 = = 1 = = 0 1 1 1 1 0 0 0 0 0 0 = 0
–   Delfi 5.42801+24
−24
(+15)13.5 − 18.5
(+7−12=13)
42.2%
13.5 / 32
15.1%
−33
59.5%
1972
0.55
1173
= 1 0 = 0 1 = 0 1 1 = = = = 0 = = = = 0 1 1 0 0 0 1 = 0 0 0 0 =
–   Naum 2.0 64-bit2793+21
−21
(+7)17 − 15
(+10−8=14)
53.1%
17.0 / 32
31.1%
+27
57.3%
1854
0.62
1063
= = 0 0 = 1 = 1 = 1 0 = 1 = 1 0 1 1 0 0 0 = = 1 = = 1 = 0 = 1 =
–   Alaric 7072768+22
−22
(−18)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
88.4%
−50
55.4%
2273
0.55
1260
0 = = 0 1 0 0 0 = 0 = 0 = 1 1 1 0 1 0 1 1 0 = 0 1 = = = = 0 = 1
–   Scorpio 2.0 32-bit2754+23
−23
(−32)13.5 − 14.5
(+10−11=7)
48.2%
13.5 / 28
98.4%
−43
53.1%
2631
1.05
1398
0 1 0 1 0 1 0 1 = 0 0 1 1 = 1 1 1 = 0 = 0 = 1 0 0 0 = =
–   E.T. Chess 13.01.082733+21
−21
(−53)16 − 8
(+12−4=8)
66.7%
16.0 / 24
100.0%
+55
55.9%
1607
0.66
899
1 1 1 0 = = 1 0 1 1 = = 1 = 1 1 1 0 = = = 1 0 1
–   WildCat 82730+22
−22
(−56)18.5 − 13.5
(+12−7=13)
57.8%
18.5 / 32
100.0%
−5
51.5%
1821
0.73
937
1 1 = 0 0 = 1 = 1 = 1 1 1 = 1 = = = 0 1 = 1 0 = 1 0 = 0 = = 1 0
–   Alfil 8.1.1 Optimized2723+21
−21
(−63)16.5 − 10.5
(+13−7=7)
61.1%
16.5 / 27
100.0%
+14
56.2%
1905
0.70
1070
= = 1 0 1 0 1 0 = 1 1 = 1 0 1 1 = 1 1 = 1 0 1 = 1 0 0
–   Movei 00.8.438 (10-10-10)2722+21
−21
(−64)14.5 − 12.5
(+12−10=5)
53.7%
14.5 / 27
100.0%
−36
57.0%
2145
0.60
1222
= 0 0 1 0 1 0 0 = 0 1 = = = 1 1 1 1 1 1 0 0 1 0 1 0 1
–   Pro Deo 1.62719+22
−22
(−67)14.5 − 12.5
(+11−9=7)
53.7%
14.5 / 27
100.0%
−39
54.0%
2029
0.66
1095
1 0 = 1 = 1 = 0 1 1 1 = 1 1 0 1 0 1 0 0 0 1 = 0 = 0 =
–   Delfi 5.22718+21
−21
(−68)20.5 − 7.5
(+15−2=11)
73.2%
20.5 / 28
100.0%
+80
57.2%
1912
0.80
1094
1 1 1 = = 1 = 1 1 1 1 1 1 1 = = = = 1 1 = 0 = = 0 = 1 1
–   WildCat 72718+19
−19
(−68)16 − 11
(+12−7=8)
59.3%
16.0 / 27
100.0%
−4
57.8%
1841
0.72
1064
1 = 1 1 1 1 0 = 1 0 1 = 1 0 0 = 1 = 0 0 1 1 = 1 0 = =
–   Zappa 1.1 64-bit2717+19
−19
(−69)21 − 8
(+17−4=8)
72.4%
21.0 / 29
100.0%
+87
61.9%
2191
0.61
1357
0 1 = 1 1 1 0 1 1 0 1 1 = = = 0 = 1 1 1 1 = 1 1 = 1 1 = 1
–   Slow Chess Blitz WV2.12716+19
−19
(−70)21 − 5
(+18−2=6)
80.8%
21.0 / 26
100.0%
+157
58.4%
2202
0.57
1286
= 0 1 1 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 0 1 = 1 1
–   Frenzee 3.0 64-bit2711+19
−19
(−75)17.5 − 10.5
(+14−7=7)
62.5%
17.5 / 28
100.0%
+14
53.7%
2100
0.69
1127
1 = 0 1 1 = 1 = 1 1 1 1 1 1 1 1 0 = 0 1 0 = 0 1 = 0 = 0
–   Colossus 2007d2707+20
−20
(−79)19.5 − 6.5
(+16−3=7)
75.0%
19.5 / 26
100.0%
+98
56.2%
2334
0.65
1311
1 0 1 0 1 1 = = 1 1 1 = 1 1 1 1 1 = 1 1 = 1 = = 0 1
–   Pharaon 3.5.12704+19
−19
(−82)18.5 − 8.5
(+13−3=11)
68.5%
18.5 / 27
100.0%
+35
54.1%
1678
0.75
908
1 = 1 1 = 1 0 = = 1 1 = 1 1 = 1 = = 0 = = 1 1 1 = 0 1
–   List 5.122699+18
−18
(−87)12.5 − 12.5
(+6−6=13)
50.0%
12.5 / 25
100.0%
−84
46.4%
1846
0.82
856
0 0 = 1 1 = 1 = = = 1 = 0 1 = 0 0 = = = = = 1 0 =
–   SOS 5.12697+18
−18
(−89)13 − 10
(+9−6=8)
56.5%
13.0 / 23
100.0%
−47
57.3%
1470
0.79
842
0 0 = 1 1 = 0 1 0 1 1 = 1 0 1 = 1 = = = 1 0 =
–   Colossus 2007c2694+19
−19
(−92)17 − 11
(+14−8=6)
60.7%
17.0 / 28
100.0%
−10
57.1%
2429
0.72
1388
= 1 = 1 1 1 1 1 1 1 0 1 1 1 0 0 1 0 0 0 1 0 = = 1 = 0 =
–   Ruffian 1.0.52687+17
−17
(−99)15 − 11
(+9−5=12)
57.7%
15.0 / 26
100.0%
−55
54.8%
1538
0.65
843
1 = = 0 = = 1 = 0 0 = = = 1 1 = = = 1 1 0 0 1 1 = 1
–   Pseudo 0.7c2680+18
−18
(−106)16.5 − 8.5
(+13−5=7)
66.0%
16.5 / 25
100.0%
+2
54.1%
2085
0.62
1127
= = = 0 = = 1 = 1 1 0 1 1 1 1 0 1 1 1 0 1 = 0 1 1
–   The Baron 2.23 64-bit2669+19
−19
(−117)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+31
55.5%
1671
0.70
927
0 1 1 1 1 0 1 1 = 1 1 = 0 = 1 = 1 1 1 = = 1 = = 1 1 0 = = 1 1 1

Performance

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

Perf = C − 0.280 [±0.390] * 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