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
Pro Deo 1.6 WB#14  (2719+22
−22
)Quote
Author: Ed Schroder (Netherlands) Released: 2007-11-14Links: Homepage, Another Homepage
This engine is stable and runs without issues.
This is the only Pro Deo version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+169)7 − 23
(+3−19=8)
23.3%
7.0 / 30
0.0%
−22
54.7%
2073
0.62
1134
= = 0 0 0 0 0 = = = 0 = 0 0 0 0 0 = 0 0 1 0 1 0 0 1 0 0 = 0
–   Spike 1.2 Turin2842+23
−23
(+123)7.5 − 21.5
(+3−17=9)
25.9%
7.5 / 29
0.0%
−43
54.2%
1937
0.90
1049
0 0 = 0 0 0 0 0 1 0 0 0 0 = 0 0 0 = 0 1 = 0 1 = = = = 0 =
–   Glaurung 2.0.1 64-bit2838+23
−23
(+119)9.5 − 18.5
(+8−17=3)
33.9%
9.5 / 28
0.0%
−10
54.7%
2408
0.99
1318
0 0 0 0 0 0 = 1 1 1 0 1 0 0 0 0 1 0 = 0 0 0 0 1 1 0 1 =
–   Frenzee Feb08 64-bit2810+24
−24
(+91)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
+10
57.0%
1736
1.21
990
0 = = 0 = 0 0 0 = = 1 0 = = 0 0 0 1 = 0 0 = 0 1 0 1 1 = = 0 1 =
–   Delfi 5.42801+24
−24
(+82)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−37
55.1%
2278
0.51
1255
1 1 1 0 1 0 = 0 = 0 0 0 0 0 0 0 = = 1 = 1 0 0 = = 0 0 0 0 = = 0
–   Naum 2.0 64-bit2793+21
−21
(+74)9.5 − 15.5
(+5−11=9)
38.0%
9.5 / 25
0.0%
0
51.0%
1350
0.78
689
0 0 0 = 0 0 1 1 0 1 = = 0 = 1 = 0 0 = = = 1 0 0 =
–   Bright 0.2c2786+23
−23
(+67)12.5 − 14.5
(+9−11=7)
46.3%
12.5 / 27
0.0%
+39
54.0%
2029
0.66
1095
0 1 = 0 = 0 = 1 0 0 0 = 0 0 1 0 1 0 1 1 1 0 = 1 = 1 =
–   Naum 2.0 32-bit2777+26
−26
(+58)14 − 10
(+8−4=12)
58.3%
14.0 / 24
0.0%
+103
51.0%
1371
0.53
699
= 0 1 = 0 1 0 = 1 = 1 = = = 1 1 1 = = = = = 1 0
–   Alaric 7072768+22
−22
(+49)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
0.0%
+61
52.8%
1497
0.61
791
0 0 = 0 = 0 1 1 1 = = 0 = = 1 1 = 1 0 1 1 0
–   Scorpio 2.0 32-bit2754+23
−23
(+35)10 − 14
(+5−9=10)
41.7%
10.0 / 24
0.6%
−17
55.2%
1267
1.09
700
= 0 = = 0 0 = = 1 0 0 = 1 = 1 0 = 1 = 1 0 0 = 0
–   E.T. Chess 13.01.082733+21
−21
(+14)10 − 14
(+7−11=6)
41.7%
10.0 / 24
15.2%
−50
57.3%
1960
0.62
1123
0 1 1 0 0 0 = = = 0 0 1 = 1 1 0 0 = 1 0 = 1 0 0
–   WildCat 82730+22
−22
(+11)15 − 17
(+11−13=8)
46.9%
15.0 / 32
20.7%
−11
51.6%
2538
0.66
1309
= = = 1 1 = 1 0 1 = 0 0 0 0 1 1 0 1 1 0 1 0 = 0 1 0 = 0 0 0 1 =
–   Alfil 8.1.1 Optimized2723+21
−21
(+4)11 − 14
(+6−9=10)
44.0%
11.0 / 25
37.1%
−35
54.0%
1498
0.68
809
1 = 0 = = 1 0 = 1 1 0 = = 0 0 = = 1 0 0 = = 1 0 0
–   Movei 00.8.438 (10-10-10)2722+21
−21
(+3)10.5 − 17.5
(+6−13=9)
37.5%
10.5 / 28
40.6%
−82
56.4%
1974
0.63
1114
1 = = 0 0 0 0 = = 0 = 1 0 0 = = 1 0 = = 1 0 1 0 1 0 0 0
–   Delfi 5.22718+21
−21
(−1)16 − 9
(+14−7=4)
64.0%
16.0 / 25
50.8%
+106
57.0%
1980
0.49
1129
1 = = 1 1 = 0 0 1 1 1 = 1 1 1 1 1 1 1 0 1 0 0 0 0
–   WildCat 72718+19
−19
(−1)13.5 − 9.5
(+10−6=7)
58.7%
13.5 / 23
51.7%
+57
56.8%
1541
0.56
875
1 1 = 1 0 = 1 0 0 1 = 0 1 0 0 1 1 1 = = = 1 =
–   Zappa 1.1 64-bit2717+19
−19
(−2)12 − 11
(+7−6=10)
52.2%
12.0 / 23
53.3%
+9
57.0%
1317
0.77
751
0 = 1 0 1 0 = = 1 = 1 = 0 = = = 1 1 0 1 = = 0
–   Slow Chess Blitz WV2.12716+19
−19
(−3)16.5 − 9.5
(+14−7=5)
63.5%
16.5 / 26
58.9%
+94
57.5%
1718
0.68
987
0 1 1 1 0 1 = 1 0 = 1 0 = 1 1 1 = 0 1 1 = 0 1 1 0 1
–   Frenzee 3.0 64-bit2711+19
−19
(−8)11 − 16
(+7−12=8)
40.7%
11.0 / 27
72.2%
−71
51.4%
2041
0.83
1049
= 1 1 0 1 0 = 0 0 0 1 0 = = = 0 = 1 0 = 0 0 0 1 1 0 =
–   Colossus 2007d2707+20
−20
(−12)16 − 13
(+13−10=6)
55.2%
16.0 / 29
80.6%
+25
55.7%
2187
0.59
1218
1 0 1 1 = 0 1 = 0 0 1 0 1 0 1 = 1 1 0 0 1 = 1 0 = 1 0 1 =
–   Pharaon 3.5.12704+19
−19
(−15)15 − 13
(+9−7=12)
53.6%
15.0 / 28
87.3%
+4
57.9%
1455
0.54
842
= = = = 1 0 = = = 1 0 1 0 0 = 1 = 1 1 1 0 0 = = 0 1 = 1
–   List 5.122699+18
−18
(−20)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
94.3%
+17
49.9%
1578
0.64
788
1 = 1 = = = 1 1 0 0 1 = = 1 = 0 0 0 = 1 0 1 1 = 1 0
–   SOS 5.12697+18
−18
(−22)12.5 − 14.5
(+8−10=9)
46.3%
12.5 / 27
95.9%
−47
56.4%
1389
0.75
783
1 0 = 1 1 0 1 = 1 = 0 = 0 = = 0 = 0 1 1 0 1 = = 0 0 0
–   Ruffian 1.0.52687+17
−17
(−32)14 − 14
(+10−10=8)
50.0%
14.0 / 28
99.4%
−35
56.8%
1917
0.71
1089
= = 0 = 1 = 1 1 0 = 0 1 0 0 1 1 0 0 1 0 1 = 0 1 = = 0 1
–   Pseudo 0.7c2680+18
−18
(−39)18 − 10
(+15−7=6)
64.3%
18.0 / 28
99.9%
+62
55.5%
2213
0.50
1229
= 0 1 0 1 = 0 1 = 0 1 1 = 1 1 = = 0 1 1 1 1 0 1 1 1 1 0
–   Aristarch 4.502671+18
−18
(−48)16 − 9
(+13−6=6)
64.0%
16.0 / 25
100.0%
+49
57.9%
1459
0.77
845
1 1 1 1 1 = 1 1 0 0 1 1 0 = 1 = 0 0 1 = = 1 = 0 1
–   Petir 4.9999992670+19
−19
(−49)15 − 6
(+11−2=8)
71.4%
15.0 / 21
100.0%
+88
59.9%
908
0.58
544
0 1 1 = = 1 1 1 1 = = = = 1 = 0 = 1 1 1 1
–   Hamsters 0.62669+18
−18
(−50)10.5 − 16.5
(+4−10=13)
38.9%
10.5 / 27
100.0%
−117
54.4%
1455
0.62
791
= 0 0 = = = = = = 0 = = 0 1 1 = 0 0 1 = 0 = 0 0 1 = 0
–   The Baron 2.23 64-bit2669+19
−19
(−50)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+66
58.3%
1901
0.81
1109
0 1 = = 1 0 1 1 1 1 0 1 0 1 0 1 = = 0 1 0 1 0 1 1 1 = 1 = 1 1 1
–   Booot 4.13.12668+18
−18
(−51)14 − 15
(+11−12=6)
48.3%
14.0 / 29
100.0%
−63
57.6%
2061
0.63
1188
1 1 0 0 0 = 0 0 1 1 1 0 0 0 = 1 1 1 0 = 1 0 1 1 = = 0 = 0
–   BugChess2 1.5.22661+18
−18
(−58)12 − 11
(+9−8=6)
52.2%
12.0 / 23
100.0%
−46
55.1%
1609
0.58
886
0 1 0 = = 0 = 1 = 1 1 0 1 0 1 1 0 0 1 1 = 0 =
–   Jonny 2.832652+17
−17
(−67)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
100.0%
−28
52.2%
1733
0.62
905
1 1 0 0 1 = = = 0 1 1 = 1 = 0 = 1 0 1 1 = 0 0 = 1 =
–   Crafty 21.5 64-bit PS2652+17
−17
(−67)15 − 8
(+12−5=6)
65.2%
15.0 / 23
100.0%
+35
54.9%
1713
0.85
940
1 1 1 = 1 = 1 = 0 1 = 0 0 1 1 = 1 1 = 0 0 1 1
–   The Baron 1.8.12651+18
−18
(−68)13 − 12
(+10−9=6)
52.0%
13.0 / 25
100.0%
−53
54.6%
1565
1.04
855
1 0 = = = 0 0 1 1 0 = 1 0 0 0 1 0 1 1 1 1 = 1 0 =

Performance

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

Perf = C + 0.009 [±0.324] * 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