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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Spike 1.2 Turin UCI#2  (2842+23
−23		)Quote
Authors: Volker Bohm (Germany), Ralf Schafer (Germany) Released: 2006-07-08Link: Homepage
This engine is stable and runs without issues.
This is the only Spike version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Fruit 2.3 32-bit2888+23
−23		(+46)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.1%
−19
60.6%
1549
0.59
938
= = 0 1 1 1 = = = = 0 0 = = = = = 0 0 0 0 = 0 0 0 = = 1 = 0 = =
–   Glaurung 2.0.1 64-bit2838+23
−23		(−4)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
59.7%
−34
61.1%
2235
0.60
1366
= 0 = 1 1 0 = 0 1 1 0 0 0 0 = 0 1 = 0 1 = 0 = 1 0 1 1 0 = 1 0 =
–   Frenzee Feb08 64-bit2810+24
−24		(−32)18 − 14
(+12−8=12)
56.3%
18.0 / 32
98.4%
+8
55.8%
1683
0.87
939
0 = = 1 0 = = 1 1 1 0 1 = 1 1 = = = = 1 1 = 0 1 = 0 0 0 = 1 1 0
–   Delfi 5.42801+24
−24		(−41)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
99.7%
−4
62.7%
2467
0.73
1546
= 1 1 = 1 1 0 0 1 1 0 0 1 1 1 = 0 0 1 1 = 0 1 1 0 1 0 0 0 0 = 1
–   Naum 2.0 64-bit2793+21
−21		(−49)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
+4
56.7%
2526
0.63
1431
0 0 = = = 1 0 1 = 1 = 1 0 0 1 1 = = 0 1 1 1 1 0 0 1 0 = 1 1 = 1
–   Bright 0.2c2786+23
−23		(−56)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
+47
57.1%
2051
0.75
1172
1 1 1 0 1 = = 1 0 = 0 = = = 1 1 = 1 1 = = 1 = 1 = 1 = = = 1 1 =
–   Alaric 7072768+22
−22		(−74)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+23
59.7%
2196
0.70
1310
1 1 0 0 = 1 1 1 = 0 = 1 1 = 0 1 1 1 1 = = = 1 0 1 0 1 1 0 1 = =
–   Scorpio 2.0 32-bit2754+23
−23		(−88)13 − 10
(+7−4=12)
56.5%
13.0 / 23
100.0%
−51
57.9%
1124
0.64
651
0 = 0 1 0 1 = = = = = 1 = 0 1 = = = 1 1 = = 1
–   Scorpio 1.912739+26
−26		(−103)17 − 10
(+13−6=8)
63.0%
17.0 / 27
100.0%
−11
56.6%
1779
0.53
1007
1 1 = 0 = = = 1 1 = 1 0 = 1 0 0 = 1 = 1 1 1 1 0 1 1 0
–   E.T. Chess 13.01.082733+21
−21		(−109)18.5 − 8.5
(+13−3=11)
68.5%
18.5 / 27
100.0%
+9
58.8%
1578
0.76
928
1 = 1 1 1 1 = 1 = = 1 1 = 1 1 = = 1 0 = 1 = = 1 = 0 0
–   WildCat 82730+22
−22		(−112)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
−1
53.3%
2387
0.76
1273
1 0 1 1 1 1 0 0 = 0 1 1 0 = 1 = = 1 1 1 = 1 1 0 0 = 1 = 1 1 1 =
–   Alfil 8.1.1 Optimized2723+21
−21		(−119)16 − 7
(+12−3=8)
69.6%
16.0 / 23
100.0%
+12
56.3%
1685
0.74
949
1 = = 1 1 1 = = = 0 = 1 = 0 1 1 = 0 1 1 1 1 1
–   Movei 00.8.438 (10-10-10)2722+21
−21		(−120)17 − 9
(+14−6=6)
65.4%
17.0 / 26
100.0%
−6
58.2%
2228
0.60
1297
0 = 1 1 = = 0 1 1 = 1 = 1 1 1 1 0 1 1 1 0 1 0 1 = 0
–   Pro Deo 1.62719+22
−22		(−123)21.5 − 7.5
(+17−3=9)
74.1%
21.5 / 29
100.0%
+43
54.2%
1937
0.90
1049
1 1 = 1 1 1 1 1 0 1 1 1 1 = 1 1 1 = 1 0 = 1 0 = = = = 1 =
–   Delfi 5.22718+21
−21		(−124)19.5 − 5.5
(+17−3=5)
78.0%
19.5 / 25
100.0%
+91
63.8%
1891
0.81
1206
1 1 = 0 1 = 1 1 1 1 = 1 1 0 1 1 1 1 1 = 1 = 1 1 0
–   WildCat 72718+19
−19		(−124)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
−23
60.0%
1677
0.69
1007
1 1 = 1 1 1 1 = = 0 1 = 0 1 0 1 = = 0 1 = = 0 1 = 1 = = 1 = 1 1
–   Zappa 1.1 64-bit2717+19
−19		(−125)18 − 14
(+11−7=14)
56.3%
18.0 / 32
100.0%
−86
55.8%
1983
0.69
1107
= = 1 1 = = = 1 = = = = 0 0 1 1 1 0 1 = 0 = = 1 0 0 1 1 = 0 1 =
–   Slow Chess Blitz WV2.12716+19
−19		(−126)19 − 9
(+15−5=8)
67.9%
19.0 / 28
100.0%
−1
60.3%
1961
0.59
1183
= 1 1 = 0 1 1 1 = 0 1 0 = = 1 = 1 0 = 1 0 1 1 1 1 = 1 1
–   Frenzee 3.0 64-bit2711+19
−19		(−131)21 − 7
(+18−4=6)
75.0%
21.0 / 28
100.0%
+55
54.5%
1994
0.86
1087
0 = 1 0 = 1 1 = 1 1 1 1 = = 1 1 0 1 = 1 1 1 1 1 1 1 0 1
–   Colossus 2007d2707+20
−20		(−135)19.5 − 6.5
(+16−3=7)
75.0%
19.5 / 26
100.0%
+44
54.7%
2214
0.94
1210
= 1 1 1 = 1 = = = 1 1 1 1 1 0 1 1 1 1 1 = 1 1 = 0 0
–   Pharaon 3.5.12704+19
−19		(−138)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+120
57.3%
2335
0.88
1339
1 1 = 1 1 1 1 = 1 = 1 1 1 1 1 = 1 1 1 = 1 0 1 1 = 1 1 = 1 1 1 =
–   List 5.122699+18
−18		(−143)17.5 − 7.5
(+12−2=11)
70.0%
17.5 / 25
100.0%
−18
61.0%
1368
0.71
835
= 1 = 1 1 1 = 0 1 = = = 1 1 = 1 1 = 1 = 1 = 0 = 1
–   SOS 5.12697+18
−18		(−145)21.5 − 10.5
(+15−4=13)
67.2%
21.5 / 32
100.0%
−37
59.0%
1784
0.69
1052
1 = 1 = = 1 = = = = 1 = 1 1 = 1 0 1 = 1 1 1 = 1 1 1 0 0 0 = 1 =
–   Colossus 2007c2694+19
−19		(−148)15 − 10
(+11−6=8)
60.0%
15.0 / 25
100.0%
−79
61.4%
1806
0.62
1109
1 1 = 1 1 = 0 = 1 = 1 = 1 0 = 1 0 1 = 0 = 1 0 1 0
–   Ruffian 1.0.52687+17
−17		(−155)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
−32
58.3%
1679
0.61
979
= 1 1 = 1 1 1 = = = = 1 = = 1 1 1 1 1 1 = 0 = = 1 = = 1 = 0 1 =
–   Petir 4.392682+18
−18		(−160)21.5 − 6.5
(+15−0=13)
76.8%
21.5 / 28
100.0%
+5
60.6%
1306
0.88
791
1 1 = 1 1 = 1 = 1 1 1 = = 1 = = = 1 = 1 = = 1 1 1 1 = =
–   Aristarch 4.502671+18
−18		(−171)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
−37
57.6%
2139
0.66
1232
0 1 = 1 = 1 = 1 1 1 1 0 1 1 = 1 1 0 = = 1 1 0 1 1 1 1 = 0 = 1 0
–   Crafty 21.5 64-bit PS2652+17
−17		(−190)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+47
56.8%
2200
0.80
1249
1 1 1 1 0 1 1 1 1 = 1 1 1 1 1 = 1 1 = 1 1 = 1 = 1 = 1 0 = 1
818 games in total: 400 wins, 145 losses, 273 draws (33.4%), score: 65.6%
Average opponent: −105.4 (2736.6), average distance to opponent: 109.0

Performance

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

Perf = C − 0.069 [±0.332] * 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