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
Amy 0.8.7b DC WB#60  (2500+17
−17		)Quote
Author: Thorsten Greiner (Germany) Released: 2004-03-05Link: WBEC
"DC" compile is created by Dann Corbit.
Issues with this engine: Occasional crashes, occasional freezes.
This is the only Amy version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Trace 1.37a2622+17
−17		(+122)5 − 19
(+3−17=4)
20.8%
5.0 / 24
0.0%
−109
55.7%
2147
0.78
1196
= 0 = = 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 = 0 0 0
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(+114)6.5 − 15.5
(+6−15=1)
29.5%
6.5 / 22
0.0%
−66
48.3%
2316
1.06
1119
0 = 0 0 1 0 1 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0
–   Yace 0.99.872609+17
−17		(+109)10 − 15
(+6−11=8)
40.0%
10.0 / 25
0.0%
+42
58.7%
1744
0.56
1024
1 1 0 1 = = = = 0 0 = 1 0 0 0 0 0 0 = 1 = 0 = 0 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(+84)13 − 14
(+9−10=8)
48.1%
13.0 / 27
0.0%
+73
53.5%
2357
0.75
1260
1 0 1 = = 1 1 0 = 1 0 = 0 = = = 0 0 0 = 0 1 1 0 1 1 0
–   Green Light Chess 3.002582+17
−17		(+82)6.5 − 16.5
(+3−13=7)
28.3%
6.5 / 23
0.0%
−71
57.2%
1686
0.57
964
= = 1 0 1 0 = 0 0 0 1 = 0 = 0 0 = = 0 0 0 0 0
–   Tao 5.62574+17
−17		(+74)12.5 − 15.5
(+10−13=5)
44.6%
12.5 / 28
0.0%
+34
56.8%
2104
0.76
1196
1 0 0 = 0 1 = 1 = = 1 0 1 0 0 1 0 0 1 1 0 1 0 = 0 0 1 0
–   Cerebro 3.03d2572+19
−19		(+72)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−19
54.5%
2589
0.91
1410
0 0 0 0 0 0 = 1 0 1 0 0 0 1 0 1 = 0 1 1 0 0 = = = 1 1 1 0 0 0 =
–   Twisted Logic 20080404x2568+18
−18		(+68)6.5 − 17.5
(+4−15=5)
27.1%
6.5 / 24
0.0%
−102
54.5%
1595
0.92
869
1 1 0 0 = 0 0 0 0 0 0 0 = 0 = 0 0 = 0 = 1 1 0 0
–   Arasan 10.0 64-bit2564+17
−17		(+64)7.5 − 16.5
(+6−15=3)
31.3%
7.5 / 24
0.0%
−90
54.4%
2182
0.83
1188
0 0 0 1 1 0 0 0 = 1 = 0 0 1 0 = 0 1 1 0 0 0 0 0
–   Abrok 5.02561+17
−17		(+61)7.5 − 17.5
(+5−15=5)
30.0%
7.5 / 25
0.0%
−86
56.0%
1992
0.74
1115
0 0 1 1 0 0 0 0 1 = 1 0 0 0 0 0 = = = = 0 0 0 1 0
–   Amyan 1.5972552+17
−17		(+52)7 − 18
(+3−14=8)
28.0%
7.0 / 25
0.0%
−96
56.2%
1794
0.64
1009
0 = 0 1 = 0 0 = = = 0 0 0 0 0 = = 1 0 0 0 = 1 0 0
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+51)11.5 − 14.5
(+8−11=7)
44.2%
11.5 / 26
0.0%
+11
56.6%
1926
0.73
1090
0 1 = 0 0 = = 1 0 1 0 = 0 0 1 1 1 = 1 = 0 1 = 0 0 0
–   SpiderChess 0706032546+17
−17		(+46)11.5 − 18.5
(+6−13=11)
38.3%
11.5 / 30
0.0%
−29
57.0%
1957
0.64
1115
= 0 0 = = 0 0 0 1 = 1 = 1 1 0 0 0 = = = 0 1 0 = 0 = = 0 0 1
–   Quark 2.352536+16
−16		(+36)11 − 13
(+8−10=6)
45.8%
11.0 / 24
0.1%
+6
58.7%
1729
1.12
1015
0 = 0 = 1 0 1 1 = 0 1 0 0 0 = 1 1 = 0 0 0 1 = 1
–   Gaia 3.5 64-bit2536+17
−17		(+36)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.1%
+1
52.4%
2765
0.96
1450
0 = 1 0 1 1 0 = = 1 0 1 0 0 1 1 0 = = 1 0 0 1 = = 0 0 0 0 1 0 1
–   King of Kings 2.562536+18
−18		(+36)12 − 12
(+9−9=6)
50.0%
12.0 / 24
0.1%
+33
53.4%
1817
0.79
970
1 = = 0 0 0 0 0 0 0 0 = 1 1 0 = = = 1 1 1 1 1 1
–   LambChop 10.992531+17
−17		(+31)8 − 16
(+5−13=6)
33.3%
8.0 / 24
0.4%
−89
58.6%
1778
0.82
1042
0 = = = 1 0 0 0 0 1 1 0 = 0 0 0 0 1 0 = = 0 1 0
–   Dragon 4.62524+16
−16		(+24)10.5 − 14.5
(+8−12=5)
42.0%
10.5 / 25
1.6%
−38
56.8%
1900
1.25
1080
1 0 1 1 = = 1 0 = 0 0 0 1 0 0 1 = 0 = 0 0 1 1 0 0
–   Nejmet 3.072521+16
−16		(+21)14.5 − 9.5
(+11−6=7)
60.4%
14.5 / 24
2.7%
+94
57.1%
1869
0.77
1068
= = = 0 1 = 1 0 1 1 = 1 1 1 1 = 0 1 1 1 = 0 0 0
–   Snitch 1.6.2 32-bit2521+15
−15		(+21)13.5 − 14.5
(+11−12=5)
48.2%
13.5 / 28
2.9%
+4
52.3%
2081
1.08
1088
1 = 0 0 1 0 = 1 1 1 = 1 0 = 1 1 0 1 0 1 0 0 0 0 = 0 1 0
–   RomiChess P3k 64-bit2502+18
−18		(+2)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
42.7%
+57
61.5%
2727
0.81
1677
1 0 1 1 1 1 1 = 0 = 1 0 = 1 1 0 = 0 1 1 0 1 1 = 0 = 1 0 1 = 0 0
–   KnightDreamer 3.32499+16
−16		(−1)13 − 11
(+10−8=6)
54.2%
13.0 / 24
54.2%
+31
57.7%
1887
0.82
1089
1 0 = 0 0 1 0 1 1 1 = 0 0 = 0 1 1 1 = = 1 = 1 0
–   Francesca MAD 0.13 Nobook2493+19
−19		(−7)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
71.7%
+7
57.8%
1385
0.81
800
= 1 = = 0 1 1 1 0 = = 0 1 0 0 = 0 1 = 0 1 1
–   Leila 0.53h2490+17
−17		(−10)13.5 − 13.5
(+11−11=5)
50.0%
13.5 / 27
79.4%
−12
57.3%
1996
0.75
1143
1 0 0 0 0 1 0 0 1 1 0 = 0 1 1 = 0 1 = 0 1 0 1 1 1 = =
–   Diablo 0.5.1 JA2482+16
−16		(−18)18 − 14
(+13−9=10)
56.3%
18.0 / 32
94.3%
+24
57.7%
2213
0.57
1276
0 0 1 0 = = = 1 0 = 1 0 0 1 1 = 0 1 = = = 1 1 1 = 0 = 1 0 1 1 1
–   PostModernist 10162480+16
−16		(−20)15 − 17
(+10−12=10)
46.9%
15.0 / 32
96.5%
−40
58.0%
2179
0.76
1263
0 = 1 0 0 0 1 1 0 = 0 1 = 0 1 = 1 0 = = 1 1 = = 0 1 0 0 = 0 = 1
–   Djinn 0.925x2479+16
−16		(−21)11.5 − 13.5
(+8−10=7)
46.0%
11.5 / 25
96.8%
−48
56.6%
1932
0.62
1094
0 1 1 = 1 1 = 1 1 1 0 = 0 1 0 0 0 0 0 = = 0 = = 0
–   Comet B682478+14
−14		(−22)15 − 11
(+12−8=6)
57.7%
15.0 / 26
98.0%
+36
56.7%
1758
1.26
996
= 0 0 1 1 0 = 1 0 = = 1 1 = 0 1 1 1 1 = 1 0 1 0 0 1
–   Sjeng 12.132475+14
−14		(−25)14 − 12
(+12−10=4)
53.8%
14.0 / 26
99.0%
+6
58.0%
1900
1.79
1102
0 0 1 1 1 = 0 1 0 1 1 1 0 1 = 0 = 1 = 0 0 1 1 0 1 0
–   Muse 0.899b2474+16
−16		(−26)7.5 − 20.5
(+4−17=7)
26.8%
7.5 / 28
98.9%
−187
54.5%
1956
0.90
1066
= 0 0 0 = 1 0 0 0 0 0 1 = 0 0 0 0 = = 1 0 0 = = 0 0 1 0
–   Queen 4.032466+17
−17		(−34)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
99.8%
+20
58.1%
2446
0.66
1422
1 0 0 0 = 1 1 0 1 1 1 1 1 0 1 0 1 1 0 = = = = 0 0 = 1 = = 1 = 1
–   The Crazy Bishop 00522460+15
−15		(−40)18.5 − 7.5
(+14−3=9)
71.2%
18.5 / 26
100.0%
+99
57.9%
1685
0.93
975
1 = 1 = 1 0 1 = = 1 1 1 1 1 = = = 1 1 0 = 1 1 0 1 =
–   Patzer 3.802460+16
−16		(−40)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+141
52.7%
2134
0.89
1124
= 1 1 1 1 1 0 1 = 0 1 1 1 1 1 0 0 1 1 1 1 0 = 1 = = 1 0 1 1 1 1
–   Der Bringer 1.92455+15
−15		(−45)17 − 9
(+14−6=6)
65.4%
17.0 / 26
100.0%
+70
59.0%
1823
0.64
1076
= 0 1 1 = 1 1 0 = 1 0 0 1 = 1 1 1 1 0 1 0 1 1 = 1 =
–   Gosu 0.162455+16
−16		(−45)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
+10
56.5%
2905
0.89
1641
0 0 1 = 0 = = 1 0 1 0 1 1 0 1 1 1 1 1 = = = 0 1 1 1 = 1 0 1 0 0
–   Phalanx XXII Reborn JA2452+15
−15		(−48)12 − 12
(+10−10=4)
50.0%
12.0 / 24
100.0%
−48
54.9%
1647
2.06
904
1 0 1 1 = 1 0 1 1 1 0 1 = 0 1 = 1 0 0 0 0 0 = 0
–   Homer 2.012452+17
−17		(−48)16 − 16
(+13−13=6)
50.0%
16.0 / 32
100.0%
−48
51.3%
2433
0.86
1249
0 1 0 1 1 1 0 1 = = 1 0 0 = 0 0 0 0 = 1 1 1 0 = 1 1 1 1 = 0 0 0
–   Betsy 6.51 Nobook2450+15
−15		(−50)13.5 − 14.5
(+10−11=7)
48.2%
13.5 / 28
100.0%
−60
57.5%
2319
0.84
1334
= 1 1 0 = = 1 0 1 = 0 = 1 = 0 0 = 0 0 1 1 0 1 0 0 1 1 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−52)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
+10
54.4%
2715
0.63
1478
= 1 0 1 0 0 0 0 0 1 1 1 0 1 1 1 = = 1 1 1 0 0 1 1 1 1 0 1 0 1 0
–   Amateur 2.822446+15
−15		(−54)16.5 − 11.5
(+14−9=5)
58.9%
16.5 / 28
100.0%
+8
55.2%
2245
0.91
1239
1 0 0 0 1 0 1 = 0 0 0 = = 0 1 1 1 1 1 1 1 1 0 = 1 1 1 =
–   Tytan 9.32 64-bit2429+17
−17		(−71)24.5 − 7.5
(+23−6=3)
76.6%
24.5 / 32
100.0%
+150
  
1 1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 = 1 1 1 0 1 1 = 0 = 1 1 0 1
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−83)15 − 12
(+12−9=6)
55.6%
15.0 / 27
100.0%
−42
55.2%
1930
0.68
1066
= 0 0 1 1 1 1 1 0 0 1 1 = = 0 0 0 0 0 = = 1 1 1 = 1 1
–   Arion 1.72415+16
−16		(−85)15 − 12
(+13−10=4)
55.6%
15.0 / 27
100.0%
−43
60.4%
2386
0.67
1440
0 1 1 1 = 1 0 0 0 0 0 1 = 1 = 1 1 0 1 0 1 1 0 1 0 1 =
–   AICE 0.99.22411+16
−16		(−89)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+4
55.5%
2137
0.81
1185
1 1 0 0 1 1 1 1 = 1 1 1 1 1 0 0 1 = 0 0 = = 1 0 0 1 = 1 0 1 1 =
–   Chezzz 1.0.32409+15
−15		(−91)13.5 − 11.5
(+12−10=3)
54.0%
13.5 / 25
100.0%
−64
56.6%
2301
0.64
1303
0 1 1 1 0 1 1 1 1 0 0 1 0 0 = 1 1 = 1 0 0 1 = 0 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−98)13 − 3
(+11−1=4)		81.3%
13.0 / 16
100.0%
+133
53.8%
1525
0.77
820
= = 1 = 1 1 1 1 1 = 0 1 1 1 1 1
–   Averno 0.812396+15
−15		(−104)17.5 − 8.5
(+15−6=5)
67.3%
17.5 / 26
100.0%
+26
54.4%
1793
0.68
976
1 1 1 1 1 0 0 0 1 = = 1 1 0 = 0 1 0 1 1 = = 1 1 1 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(−110)21 − 6
(+20−5=2)
77.8%
21.0 / 27
100.0%
+132
58.3%
2427
0.73
1415
1 = 1 1 0 0 1 1 1 1 0 = 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1
–   KnightX 1.922385+15
−15		(−115)19.5 − 5.5
(+17−3=5)
78.0%
19.5 / 25
100.0%
+97
53.2%
1799
0.70
957
= 0 0 1 1 1 1 1 1 = 1 1 1 = = 1 1 0 1 1 1 1 = 1 1
–   Eeyore 1.482384+15
−15		(−116)19.5 − 6.5
(+17−4=5)
75.0%
19.5 / 26
100.0%
+74
57.1%
1636
1.07
934
1 1 1 1 1 1 = = 0 1 = 1 1 1 1 1 1 = 1 1 0 0 1 = 1 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−145)15.5 − 8.5
(+13−6=5)
64.6%
15.5 / 24
100.0%
−40
55.2%
1950
0.82
1076
0 1 1 1 0 1 1 1 = 0 = 1 = 1 1 0 0 1 0 = 1 = 1 1
–   GNU Chess 5.07 64-bit JA2332+22
−22		(−168)15.5 − 8.5
(+15−8=1)
64.6%
15.5 / 24
100.0%
−41
54.3%
1725
0.75
936
0 1 1 1 1 1 1 1 1 1 0 1 0 0 = 1 0 1 1 1 0 0 0 1
–   Chispa 4.0.32273+14
−14		(−227)17.5 − 4.5
(+14−1=7)
79.5%
17.5 / 22
100.0%
−19
56.0%
1660
0.75
930
= = 1 = = = 1 1 0 1 1 1 = 1 1 1 1 1 1 = 1 1
1415 games in total: 585 wins, 524 losses, 306 draws (21.6%), score: 52.2%
Average opponent: −17.1 (2482.9), average distance to opponent: 60.6

Performance

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

Perf = C − 0.246 [±0.248] * 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