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
Pharaon 3.5.1 UCI#18  (2704+19
−19
)Quote
Author: Franck Zibi (France) Released: 2006-09-03Link: Homepage
This engine is stable and runs without issues.
This is the only Pharaon version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+184)6 − 19
(+1−14=10)
24.0%
6.0 / 25
0.0%
+18
59.5%
1451
0.63
864
0 = 0 = 0 0 0 = = = 0 = = 0 0 = 0 0 0 = = 1 0 0 0
–   Spike 1.2 Turin2842+23
−23
(+138)5 − 27
(+1−23=8)
15.6%
5.0 / 32
0.0%
−120
57.3%
2335
0.88
1339
0 0 = 0 0 0 0 = 0 = 0 0 0 0 0 = 0 0 0 = 0 1 0 0 = 0 0 = 0 0 0 =
–   Glaurung 2.0.1 64-bit2838+23
−23
(+134)11 − 19
(+6−14=10)
36.7%
11.0 / 30
0.0%
+43
55.6%
1847
0.79
1027
0 0 1 0 1 = = 0 0 1 = 1 0 = = 1 1 = = 0 0 0 0 0 0 = = = 0 0
–   Frenzee Feb08 64-bit2810+24
−24
(+106)9 − 23
(+5−19=8)
28.1%
9.0 / 32
0.0%
−51
59.8%
2002
1.41
1197
= 0 0 0 0 = = 1 1 = 0 1 = 0 0 0 0 0 0 1 0 0 0 0 1 0 0 = 0 0 = =
–   Delfi 5.42801+24
−24
(+97)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−2
58.3%
2026
0.58
1182
= 0 0 = 0 = = = 0 = 0 1 = 0 1 0 0 0 0 0 = 0 1 0 = = 1 0 1 = 0 =
–   Naum 2.0 64-bit2793+21
−21
(+89)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
+27
57.0%
1778
0.78
1013
0 = 1 1 0 0 = = = 1 0 = 0 = = 0 1 0 = = 0 = 1 1 0 = 0 0 0 0 = 1
–   Bright 0.2c2786+23
−23
(+82)8.5 − 18.5
(+3−13=11)
31.5%
8.5 / 27
0.0%
−35
54.1%
1678
0.75
908
0 = 0 0 = 0 1 = = 0 0 = 0 0 = 0 = = 1 = = 0 0 0 = 1 0
–   Naum 2.0 32-bit2777+26
−26
(+73)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
0.0%
+24
52.8%
2317
0.68
1224
0 1 0 1 = = = 1 0 1 = 0 = 1 = = 0 0 0 1 = 0 0 1 0 0 = 0 1 = = 0
–   Glaurung 1.2.1 64-bit2770+24
−24
(+66)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
0.0%
+55
57.8%
2502
0.54
1447
= 1 0 0 0 0 = = 0 0 = 0 1 = 1 1 0 1 0 1 1 1 = 1 1 = = 0 0 = 0 1
–   Alaric 7072768+22
−22
(+64)10 − 15
(+7−12=6)
40.0%
10.0 / 25
0.0%
−5
57.8%
1867
0.52
1080
0 = = = = 0 0 1 0 = 0 1 0 1 1 1 0 0 0 0 0 1 1 = 0
–   Scorpio 2.0 32-bit2754+23
−23
(+50)11 − 14
(+8−11=6)
44.0%
11.0 / 25
0.0%
+13
56.5%
1592
1.07
899
1 1 0 0 0 1 0 0 0 1 0 1 0 = = = = = 0 1 0 1 = 0 1
–   Scorpio 1.912739+26
−26
(+35)13.5 − 14.5
(+8−9=11)
48.2%
13.5 / 28
0.8%
+23
57.8%
1733
0.85
1001
0 = 1 = 0 0 1 0 = 0 1 = 0 1 1 = = 0 = 0 1 = 1 0 = = 1 =
–   E.T. Chess 13.01.082733+21
−21
(+29)10 − 13
(+8−11=4)
43.5%
10.0 / 23
1.2%
−18
57.8%
1944
0.53
1124
0 = 1 0 0 1 = 1 0 = 1 0 1 0 0 1 0 0 = 1 1 0 0
–   WildCat 82730+22
−22
(+26)17 − 15
(+11−9=12)
53.1%
17.0 / 32
2.2%
+46
57.8%
2065
0.82
1193
1 = = 0 0 1 1 = = 1 = 1 0 1 1 0 1 1 1 = 0 = = 0 = 1 0 = 0 0 = =
–   Alfil 8.1.1 Optimized2723+21
−21
(+19)11.5 − 12.5
(+9−10=5)
47.9%
11.5 / 24
6.6%
+4
59.8%
2070
0.55
1238
1 0 1 0 = 1 1 0 0 = 0 = = 0 1 1 0 1 1 0 = 0 0 1
–   Movei 00.8.438 (10-10-10)2722+21
−21
(+18)12.5 − 16.5
(+8−12=9)
43.1%
12.5 / 29
7.5%
−30
59.5%
2215
0.50
1319
1 1 0 = 0 0 = = 0 0 0 1 = 1 1 = 1 1 0 0 1 0 = 0 = = 0 = 0
–   Pro Deo 1.62719+22
−22
(+15)13 − 15
(+7−9=12)
46.4%
13.0 / 28
12.7%
−4
57.9%
1455
0.54
842
= = = = 0 1 = = = 0 1 0 1 1 = 0 = 0 0 0 1 1 = = 1 0 = 0
–   Delfi 5.22718+21
−21
(+14)9 − 15
(+7−13=4)
37.5%
9.0 / 24
13.0%
−79
62.7%
1919
0.50
1203
0 1 1 0 1 0 0 1 0 0 1 = = 0 = 0 0 = 1 0 1 0 0 0
–   WildCat 72718+19
−19
(+14)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
11.9%
−18
58.3%
2068
0.71
1206
1 1 = 1 1 = 1 0 0 = = 0 0 = 0 = = 0 1 0 = 0 0 0 = 0 1 1 0 1 1 0
–   Zappa 1.1 64-bit2717+19
−19
(+13)11.5 − 20.5
(+5−14=13)
35.9%
11.5 / 32
12.4%
−74
60.5%
1750
0.87
1059
= 0 0 0 0 1 0 1 = 0 = = = 1 = 0 = 0 = 0 0 = 0 = 1 = = 0 0 1 0 =
–   Slow Chess Blitz WV2.12716+19
−19
(+12)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
16.4%
+22
59.8%
2248
0.55
1344
0 0 0 1 1 1 0 = = = 0 1 1 = = 1 1 = 1 1 = 0 0 1 1 = = 0 1 0 0 0
–   Alaric 7042713+26
−26
(+9)15 − 14
(+9−8=12)
51.7%
15.0 / 29
28.1%
+17
61.2%
1707
0.46
1045
1 1 = 0 1 1 1 = 1 0 1 = 0 = = 0 = 0 1 0 = 0 1 = 0 = = = =
–   Frenzee 3.0 64-bit2711+19
−19
(+7)14.5 − 14.5
(+12−12=5)
50.0%
14.5 / 29
28.2%
+9
55.8%
2229
0.73
1244
1 = = 1 = 0 0 0 0 1 0 0 1 = 0 1 1 0 1 1 0 1 = 1 0 1 0 0 1
–   Colossus 2007d2707+20
−20
(+3)13 − 8
(+11−6=4)
61.9%
13.0 / 21
40.1%
+92
60.5%
1792
0.62
1085
= 1 1 1 0 0 = 0 1 1 1 1 = 1 0 0 1 1 0 1 =
–   List 5.122699+18
−18
(−5)14 − 18
(+9−13=10)
43.8%
14.0 / 32
68.3%
−47
59.2%
2409
0.58
1426
1 1 0 0 = 0 1 = 0 0 0 0 = 1 0 = 0 = = 1 0 1 1 0 0 = = = = 1 0 1
–   SOS 5.12697+18
−18
(−7)18.5 − 12.5
(+15−9=7)
59.7%
18.5 / 31
74.1%
+62
61.8%
2346
0.81
1450
1 1 1 = = 1 0 0 1 0 1 1 1 = 1 0 0 0 = = 1 = 0 1 0 0 1 1 = 1 1
–   Colossus 2007c2694+19
−19
(−10)21.5 − 8.5
(+16−3=11)
71.7%
21.5 / 30
80.5%
+130
57.9%
1959
0.49
1135
1 = 0 1 0 = = 1 1 1 1 1 = 1 1 1 = 1 1 = = 1 1 = 0 1 = = = 1
–   Ruffian 1.0.52687+17
−17
(−17)13 − 19
(+9−15=8)
40.6%
13.0 / 32
92.9%
−83
60.6%
2650
0.55
1607
0 = 0 0 0 0 = = 1 1 0 0 0 0 = = 1 = 1 1 0 0 0 1 = 0 1 0 = 1 0 1
–   Petir 4.392682+18
−18
(−22)12.5 − 9.5
(+9−6=7)
56.8%
12.5 / 22
97.2%
+28
60.4%
1404
0.58
848
0 = 1 = = 0 1 0 1 = = 0 1 1 0 0 1 1 1 = = 1
–   Pseudo 0.7c2680+18
−18
(−24)18 − 14
(+14−10=8)
56.3%
18.0 / 32
98.1%
+21
59.1%
2357
0.45
1394
0 0 1 1 = = 1 1 1 = 0 = 1 1 1 = 1 0 = = 0 1 1 = 1 0 1 0 1 0 0 0
–   Aristarch 4.502671+18
−18
(−33)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
99.8%
+63
56.8%
2071
0.82
1176
0 1 = 1 0 = 0 0 1 = 1 1 1 1 1 1 1 1 = 1 = = = 0 1 0 1 1 1 0 = =
–   Petir 4.9999992670+19
−19
(−34)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.8%
−15
60.8%
1553
0.65
944
= 0 = = 1 0 0 1 0 1 1 1 = 0 = 1 1 = 0 = 1 0
–   Hamsters 0.62669+18
−18
(−35)14 − 11
(+9−6=10)
56.0%
14.0 / 25
99.8%
+3
59.5%
1571
0.46
935
1 0 0 1 = 0 1 0 = = = 0 1 = 1 1 1 1 0 = 1 = = = =
–   The Baron 2.23 64-bit2669+19
−19
(−35)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
99.8%
−72
56.6%
2376
1.02
1346
0 1 0 0 1 1 0 0 0 1 = 0 0 = 1 1 0 0 0 1 0 1 1 = 0 = 1 1 0 0 1 =
–   Booot 4.13.12668+18
−18
(−36)16.5 − 12.5
(+11−7=11)
56.9%
16.5 / 29
99.9%
+5
59.6%
1729
0.59
1031
1 = 0 0 1 = 1 = = 0 = 0 = 1 = = = 1 0 1 0 = 1 0 1 1 1 = 1
–   BugChess2 1.5.22661+18
−18
(−43)14 − 11
(+11−8=6)
56.0%
14.0 / 25
100.0%
+2
57.4%
1882
0.66
1081
1 0 1 = = 1 0 = = 1 0 0 1 1 1 0 1 = 1 0 = 0 1 1 0
–   Jonny 2.832652+17
−17
(−52)19.5 − 7.5
(+18−6=3)
72.2%
19.5 / 27
100.0%
+125
56.4%
2720
0.64
1535
= 0 1 0 1 1 0 1 1 0 1 1 1 1 1 1 = 0 1 1 1 1 1 0 = 1 1
–   Crafty 21.5 64-bit PS2652+17
−17
(−52)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
100.0%
−60
55.9%
1845
0.77
1032
0 1 1 1 0 = = 1 0 1 = 1 0 0 0 0 1 = = 1 0 1 = 0 = 0
–   The Baron 1.8.12651+18
−18
(−53)11 − 16
(+9−14=4)
40.7%
11.0 / 27
100.0%
−121
60.7%
2210
0.84
1341
= 1 = 0 1 0 0 0 0 0 0 1 1 = 1 0 0 = 0 0 0 1 1 1 0 1 0
–   Anaconda 2.0.12644+17
−17
(−60)15 − 12
(+10−7=10)
55.6%
15.0 / 27
100.0%
−21
60.4%
1532
0.81
925
= 0 1 = 1 1 0 0 0 = 1 = 1 = 1 1 1 1 0 0 1 = = = = = 0
–   Movei 00.8.4032643+22
−22
(−61)13 − 10
(+10−7=6)
56.5%
13.0 / 23
100.0%
−20
58.9%
1830
0.51
1077
= = 1 1 1 0 0 = 1 0 = 1 0 1 1 1 = = 0 0 1 1 0
–   Fritz 5.322643+17
−17
(−61)12.5 − 14.5
(+11−13=3)
46.3%
12.5 / 27
100.0%
−91
63.5%
2356
0.55
1497
0 0 0 = 0 1 = 1 1 0 0 1 0 0 1 1 0 0 1 1 0 = 0 1 1 0 1
–   Ktulu 4.22634+17
−17
(−70)14.5 − 9.5
(+12−7=5)
60.4%
14.5 / 24
100.0%
+9
58.1%
1981
0.67
1151
= 1 = 0 1 1 1 = = 1 1 1 0 0 = 0 0 1 1 1 1 1 0 0
–   Thinker 4.7a2634+17
−17
(−70)13.5 − 6.5
(+11−4=5)
67.5%
13.5 / 20
100.0%
+54
62.9%
1481
0.61
932
1 1 1 0 0 1 0 = 1 = 1 0 1 = 1 1 = 1 = 1
–   SmarThink 0.17a2633+16
−16
(−71)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+56
56.5%
1989
0.64
1124
= 1 1 = 1 = 1 = 1 1 0 = 1 0 1 0 = 1 1 0 = = 1 1 1 = 1 0 1 1 = 1
–   Fritz 6 Light2627+19
−19
(−77)18.5 − 12.5
(+16−10=5)
59.7%
18.5 / 31
100.0%
−2
61.8%
2245
0.66
1388
0 1 1 = 0 0 = 0 = 1 1 1 0 1 1 1 1 1 1 1 = 1 1 0 0 0 0 1 = 0 1

Performance

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

Perf = C − 0.035 [±0.265] * 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