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
Leila 0.53h WB#63  (2490+17
−17
)Quote
Author: Carmelo Calzerano (Italy) Released: 2002-06-07Link: WBEC
Issues with this engine: Occasional losses on time.
This is the only Leila version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+94)7 − 17
(+6−16=2)
29.2%
7.0 / 24
0.0%
−81
51.7%
2397
1.13
1239
0 1 1 0 1 1 0 0 0 = 0 0 0 0 0 0 0 0 0 1 0 = 1 0
–   Twisted Logic 20080404x2568+18
−18
(+78)11 − 15
(+8−12=6)
42.3%
11.0 / 26
0.0%
+20
51.3%
2081
0.98
1067
0 0 1 1 1 0 0 0 = 0 0 1 0 0 = 1 = = = 1 0 1 1 0 0 =
–   Arasan 10.0 64-bit2564+17
−17
(+74)5.5 − 16.5
(+4−15=3)
25.0%
5.5 / 22
0.0%
−124
58.4%
1634
0.92
955
1 0 0 0 0 0 0 0 0 1 1 = 0 = 0 0 0 0 = 0 0 1
–   Abrok 5.02561+17
−17
(+71)9.5 − 15.5
(+8−14=3)
38.0%
9.5 / 25
0.0%
−25
54.0%
2257
1.04
1218
0 0 1 0 = = 1 1 0 1 0 0 0 1 0 1 1 0 0 0 1 0 = 0 0
–   Amyan 1.5972552+17
−17
(+62)11.5 − 11.5
(+8−8=7)
50.0%
11.5 / 23
0.0%
+64
56.0%
1471
0.61
824
= = = 1 1 = 1 = 1 0 0 0 1 = 0 0 0 0 1 1 = 0 1
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(+61)12.5 − 14.5
(+10−12=5)
46.3%
12.5 / 27
0.0%
+30
57.5%
1872
0.77
1077
1 1 1 1 0 = = 0 1 1 0 0 0 1 = = 0 1 0 = 1 0 1 0 0 0 0
–   SpiderChess 0706032546+17
−17
(+56)14 − 11
(+10−7=8)
56.0%
14.0 / 25
0.0%
+97
53.6%
1617
0.71
866
1 1 = 1 1 0 0 = 1 0 = 1 = = 1 1 = 1 0 1 0 0 0 = =
–   Quark 2.352536+16
−16
(+46)10.5 − 17.5
(+8−15=5)
37.5%
10.5 / 28
0.0%
−47
54.8%
2219
0.97
1215
0 1 = 0 0 0 0 0 0 0 0 0 1 0 1 1 = 0 0 = 1 0 1 = = 0 1 1
–   Gaia 3.5 64-bit2536+17
−17
(+46)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+11
55.8%
2325
0.82
1297
0 1 0 1 0 0 1 = = 1 1 0 = 0 = 1 1 0 1 = 0 = 1 0 0 = 0 1 0 0 1 0
–   King of Kings 2.562536+18
−18
(+46)9.5 − 12.5
(+7−10=5)
43.2%
9.5 / 22
0.0%
−6
54.3%
1705
0.87
926
1 0 1 0 = 0 1 1 0 1 1 0 = = 0 1 = 0 0 0 0 =
–   LambChop 10.992531+17
−17
(+41)8 − 13
(+5−10=6)
38.1%
8.0 / 21
0.0%
−39
57.0%
1405
0.79
801
= = 1 0 1 0 = 0 0 = 1 0 = 0 0 = 0 0 0 1 1
–   Dragon 4.62524+16
−16
(+34)11.5 − 14.5
(+7−10=9)
44.2%
11.5 / 26
0.2%
−6
57.0%
1476
0.74
842
= 1 = 0 0 = = 1 = = 0 0 1 1 1 0 = 1 = 1 0 = 0 0 0 0
–   Nejmet 3.072521+16
−16
(+31)5 − 17
(+2−14=6)
22.7%
5.0 / 22
0.3%
−164
53.4%
1613
0.77
862
0 = 0 0 = = 1 0 0 = 0 0 1 0 0 0 = 0 0 = 0 0
–   Snitch 1.6.2 32-bit2521+15
−15
(+31)13 − 12
(+10−9=6)
52.0%
13.0 / 25
0.3%
+44
51.8%
1899
0.99
983
1 1 = = 1 1 = 0 0 = 1 0 = 0 0 1 1 0 = 1 0 1 0 0 1
–   RomiChess P3k 64-bit2502+18
−18
(+12)19 − 13
(+14−8=10)
59.4%
19.0 / 32
16.9%
+75
58.0%
2459
1.06
1426
1 1 1 = = 1 1 0 0 1 1 = 1 0 1 1 = 1 = 1 1 = = = 0 0 = = 0 1 0 0
–   Amy 0.8.7b DC2500+17
−17
(+10)13.5 − 13.5
(+11−11=5)
50.0%
13.5 / 27
20.6%
+12
57.3%
1996
0.75
1143
0 1 1 1 1 0 1 1 0 0 1 = 1 0 0 = 1 0 = 1 0 1 0 0 0 = =
–   KnightDreamer 3.32499+16
−16
(+9)9.5 − 16.5
(+8−15=3)
36.5%
9.5 / 26
23.6%
−96
54.4%
2665
0.90
1451
0 0 0 0 1 1 0 0 0 = = 1 0 1 0 0 0 1 0 1 0 0 1 1 = 0
–   Francesca MAD 0.13 Nobook2493+19
−19
(+3)11.5 − 11.5
(+9−9=5)
50.0%
11.5 / 23
42.3%
−1
62.1%
1780
1.03
1106
1 = 0 1 1 0 1 0 = 1 0 = = = 0 0 1 0 0 1 1 0 1
–   Diablo 0.5.1 JA2482+16
−16
(−8)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
77.2%
−20
55.6%
1881
0.85
1046
0 = = 0 1 = 1 1 1 = 0 = 1 = = = 0 1 1 = 0 0 = 1 1 = 0 = 0 0 = 0
–   PostModernist 10162480+16
−16
(−10)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
83.1%
0
56.4%
2722
0.83
1535
1 0 1 1 1 0 1 0 1 = 0 1 0 1 0 0 0 1 1 0 = = 1 0 1 = = 0 1 = 0 =
–   Djinn 0.925x2479+16
−16
(−11)8 − 14
(+6−12=4)
36.4%
8.0 / 22
84.2%
−111
53.7%
1871
0.95
1005
= 0 0 = 0 1 0 0 0 1 0 0 0 1 0 0 0 1 1 1 = =
–   Comet B682478+14
−14
(−12)16 − 13
(+13−10=6)
55.2%
16.0 / 29
87.7%
+27
57.3%
2069
1.08
1185
1 0 0 1 0 1 1 = 1 = 0 0 0 = = = 1 1 0 1 1 0 = 0 1 0 1 1 1
–   Sjeng 12.132475+14
−14
(−15)7.5 − 17.5
(+4−14=7)
30.0%
7.5 / 25
92.3%
−157
56.4%
1567
0.89
884
0 = = = 0 1 0 0 = 1 0 = 0 0 1 0 0 = 0 = 0 0 1 0 0
–   Muse 0.899b2474+16
−16
(−16)12 − 14
(+8−10=8)
46.2%
12.0 / 26
92.6%
−41
55.8%
1522
1.11
849
= 1 = 1 1 = 0 0 0 = = 0 1 1 1 0 = 0 0 0 = 0 = 1 0 1
–   Queen 4.032466+17
−17
(−24)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
98.1%
+110
56.7%
2672
0.73
1515
= 1 1 0 1 0 1 1 = 0 1 0 1 1 0 = 1 1 1 1 1 1 0 0 1 1 1 0 1 = = 1
–   The Crazy Bishop 00522460+15
−15
(−30)13 − 12
(+12−11=2)
52.0%
13.0 / 25
99.7%
−17
54.3%
2481
0.87
1348
1 1 0 0 1 0 1 0 0 1 1 1 0 = 0 1 0 1 = 1 1 1 0 0 0
–   Patzer 3.802460+16
−16
(−30)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.7%
+37
51.7%
2001
1.04
1034
= = = 0 0 1 0 1 1 0 = 0 1 0 1 = = 1 1 = 1 1 = 0 1 1 1 1 1 0 0 1
–   Der Bringer 1.92455+15
−15
(−35)12.5 − 9.5
(+12−9=1)
56.8%
12.5 / 22
99.9%
+23
56.4%
2163
0.67
1220
1 0 0 0 0 1 1 0 0 1 = 1 1 1 1 0 0 1 1 0 1 1
–   Gosu 0.162455+16
−16
(−35)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
99.9%
+67
52.7%
2537
1.04
1338
1 0 1 = 0 = 1 = 1 1 1 1 1 0 1 0 1 1 1 1 = = = 1 0 0 = 1 1 1 0 0
–   Phalanx XXII Reborn JA2452+15
−15
(−38)15 − 11
(+12−8=6)
57.7%
15.0 / 26
100.0%
+18
49.9%
1890
0.86
944
0 1 1 = 1 1 = 1 1 0 0 1 1 1 0 0 = 1 = 0 = 0 1 1 0 =
–   Homer 2.012452+17
−17
(−38)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−5
52.6%
2317
0.99
1218
1 1 = 0 1 = 0 = 0 0 1 1 1 1 = = 1 0 1 1 0 1 0 0 1 0 1 0 0 = 1 =
–   Betsy 6.51 Nobook2450+15
−15
(−40)12.5 − 15.5
(+9−12=7)
44.6%
12.5 / 28
100.0%
−78
57.8%
2309
0.91
1334
= = 1 0 1 0 1 0 1 = 1 0 0 0 = 0 1 0 1 1 0 0 0 = = 1 0 =
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16
(−42)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+65
53.5%
2512
0.75
1345
= 1 1 0 0 1 0 1 = 0 0 1 1 = 1 1 0 = 0 1 1 1 1 0 0 1 1 1 1 = 1 1
–   Amateur 2.822446+15
−15
(−44)12.5 − 15.5
(+10−13=5)
44.6%
12.5 / 28
100.0%
−85
52.8%
2428
1.35
1282
0 0 = 0 = 1 1 0 0 0 0 1 1 1 1 1 0 0 1 1 = 0 = 0 1 = 0 0
–   Tytan 9.32 64-bit2429+17
−17
(−61)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
−12
  
1 1 1 = 0 = 1 0 0 1 = = = 1 1 1 0 = 0 = 0 = 1 1 0 1 1 = 1 0 = =
–   Thor's Hammer 2.28 32-bit2417+15
−15
(−73)17 − 10
(+14−7=6)
63.0%
17.0 / 27
100.0%
+19
55.5%
2151
0.88
1193
1 = = 1 1 1 1 1 = 0 0 0 = 1 1 0 = = 1 0 1 0 1 1 1 1 0
–   Arion 1.72415+16
−16
(−75)13.5 − 9.5
(+11−7=5)
58.7%
13.5 / 23
100.0%
−7
61.0%
1807
0.66
1102
1 1 1 1 0 0 0 0 = 0 1 1 1 = 0 1 = = 0 = 1 1 1
–   AICE 0.99.22411+16
−16
(−79)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
100.0%
−19
53.0%
2444
0.98
1296
0 1 0 0 0 1 0 1 = 1 1 1 0 0 0 1 0 = 1 1 = 1 1 = 0 1 1 1 1 0 = 1
–   Chezzz 1.0.32409+15
−15
(−81)20.5 − 9.5
(+17−6=7)
68.3%
20.5 / 30
100.0%
+50
50.8%
2195
0.74
1115
1 0 1 1 0 = 1 1 = 0 1 1 = 1 0 0 0 1 1 = = 1 = = 1 1 1 1 1 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(−88)10.5 − 4.5
(+9−3=3)
70.0%
10.5 / 15
100.0%
+69
49.8%
1663
0.86
828
0 1 = 1 1 0 = 1 1 1 1 0 = 1 1
–   Averno 0.812396+15
−15
(−94)15.5 − 11.5
(+11−7=9)
57.4%
15.5 / 27
100.0%
−44
54.2%
1535
0.62
832
= = = = 1 1 1 1 1 = 1 = = 0 0 0 = 0 1 1 1 1 = 1 0 0 0
–   Scidlet 3.61 64-bit JA2390+15
−15
(−100)15.5 − 7.5
(+12−4=7)
67.4%
15.5 / 23
100.0%
+20
56.4%
1516
1.04
855
= 1 1 = = 1 1 1 0 0 = = 1 0 1 0 1 = 1 = 1 1 1
–   KnightX 1.922385+15
−15
(−105)16 − 12
(+14−10=4)
57.1%
16.0 / 28
100.0%
−47
47.6%
2260
0.88
1076
1 1 1 1 0 1 = 0 0 1 0 1 0 1 = 1 1 = 1 0 1 1 0 0 = 0 0 1
–   Eeyore 1.482384+15
−15
(−106)15.5 − 10.5
(+14−9=3)
59.6%
15.5 / 26
100.0%
−30
54.0%
2255
0.98
1218
1 1 0 1 0 = = 1 1 1 0 0 1 1 1 0 0 1 1 1 = 0 1 0 1 0
–   Ayito 0.2.9942371+16
−16
(−119)16.5 − 7.5
(+14−5=5)
68.8%
16.5 / 24
100.0%
+24
52.8%
1823
1.03
963
1 0 0 1 1 1 1 = 1 1 0 = 1 0 1 1 1 = 1 = 1 0 = 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(−135)18.5 − 6.5
(+16−4=5)
74.0%
18.5 / 25
100.0%
+43
57.2%
1716
1.02
982
1 1 1 1 1 0 1 1 1 1 = 1 1 = 0 0 1 0 = 1 1 = = 1 1
–   Esc 1.162345+15
−15
(−145)21 − 4
(+20−3=2)
84.0%
21.0 / 25
100.0%
+159
55.7%
1678
0.94
934
1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 0 1 = 1 0 0 1 1 1
–   GNU Chess 5.07 64-bit JA2332+22
−22
(−158)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+37
48.8%
2142
0.90
1046
= 0 0 1 = 1 1 1 1 = 0 1 1 1 1 1 0 0 1 1 1 1 1 1 0 1 1 1 0 1 1 1
–   Dorky 3.482308+16
−16
(−182)26 − 3
(+25−2=2)
89.7%
26.0 / 29
100.0%
+199
55.5%
2048
0.87
1136
1 1 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 0 1
–   CyberPagno 2.1 32MB2295+16
−16
(−195)19 − 5
(+18−4=2)
79.2%
19.0 / 24
100.0%
+57
55.8%
2005
1.04
1119
1 1 1 1 1 0 0 1 1 1 = 0 1 1 1 1 1 = 1 1 1 1 1 0
–   Madeleine 0.22285+15
−15
(−205)17.5 − 5.5
(+15−3=5)
76.1%
17.5 / 23
100.0%
−9
56.9%
1642
1.00
934
1 0 = 1 1 1 1 1 1 1 1 1 1 = 0 = = = 1 0 1 1 1
–   Chispa 4.0.32273+14
−14
(−217)17 − 7
(+14−4=6)
70.8%
17.0 / 24
100.0%
−67
56.7%
1378
0.66
781
1 0 1 = 1 1 1 1 = 1 1 1 1 = 0 1 = = 0 0 1 1 1 =
–   InmiChess 3.06N2241+15
−15
(−249)15.5 − 5.5
(+14−4=3)
73.8%
15.5 / 21
100.0%
−64
55.2%
1964
1.15
1084
1 = 0 1 1 1 0 = 1 = 1 0 1 0 1 1 1 1 1 1 1
–   Fortress 1.622216+15
−15
(−274)24.5 − 4.5
(+23−3=3)
84.5%
24.5 / 29
100.0%
+26
52.3%
2220
1.30
1161
1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 = 0

Performance

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

Perf = C − 0.171 [±0.210] * 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