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
Matilde 2008 64-bit WB#95  (2368+15
−15		)Quote
Author: Andrea Lanza (Italy) Released: 2008-01-01Link: Homepage
Issues with this engine: Occasional freezes.
This is the only Matilde version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Comet B682478+14
−14		(+110)11 − 21
(+10−20=2)
34.4%
11.0 / 32
0.0%
−19
58.0%
2441
0.98
1416
0 = 1 0 1 0 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 1 1 1 1 0 0 = 0 0 0 0
–   Sjeng 12.132475+14
−14		(+107)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−21
57.4%
1675
1.06
961
0 1 0 = = 1 1 0 0 0 1 = 0 0 0 1 0 0 1 = 0 = 0 0 0 0 1 = 0 0 0 =
–   Muse 0.899b2474+16
−16		(+106)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
+35
53.5%
2192
0.87
1172
= 0 1 0 0 1 1 0 1 1 = 0 1 = = 0 0 = 0 = 0 1 0 0 0 0 1 0 1 0 1 0
–   Queen 4.032466+17
−17		(+98)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+33
56.3%
2046
0.70
1152
1 = 0 = 0 0 0 1 1 = = = 1 1 0 0 1 = 0 1 0 0 = 1 0 0 1 0 0 = 0 0
–   The Crazy Bishop 00522460+15
−15		(+92)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−74
55.9%
2247
0.52
1257
0 0 = 0 = 0 = 0 1 0 1 0 = 0 0 0 0 1 = 0 0 1 0 0 0 0 1 0 1 0 0 =
–   Patzer 3.802460+16
−16		(+92)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
+9
54.0%
1788
1.33
966
0 1 = 0 0 1 0 0 0 0 = 1 0 = 1 1 1 1 1 0 = 1 0 = 0 0 1 0 0 0 0 0
–   Der Bringer 1.92455+15
−15		(+87)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+52
55.4%
2269
0.73
1256
1 = 0 0 0 0 1 0 1 0 1 1 1 0 = 0 = 1 1 0 = 1 0 0 1 = = 0 1 = 0 0
–   Gosu 0.162455+16
−16		(+87)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
+30
58.4%
2046
0.89
1195
= 1 0 1 = 0 = 0 0 1 0 0 = 0 = 0 1 = 1 0 = 0 = 0 1 1 = = = 0 = 0
–   Phalanx XXII Reborn JA2452+15
−15		(+84)16 − 16
(+12−12=8)
50.0%
16.0 / 32
0.0%
+84
57.5%
2282
0.67
1312
0 0 1 1 1 0 = 1 1 0 1 0 = 1 0 1 0 1 0 = 1 = 0 0 = 0 1 1 0 = = =
–   Homer 2.012452+17
−17		(+84)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−177
59.8%
1877
1.14
1123
0 0 0 = = 0 0 0 = 0 0 1 0 0 0 1 1 0 0 = 0 0 0 0 0 0 0 0 0 1 0 0
–   Betsy 6.51 Nobook2450+15
−15		(+82)9 − 23
(+3−17=12)
28.1%
9.0 / 32
0.0%
−61
58.1%
2062
0.87
1199
= 0 = 0 1 0 0 = 0 0 0 = 1 0 = 0 = 0 0 = 0 = = 0 = = 0 = 0 0 1 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+80)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+36
56.0%
1980
0.82
1109
0 = 0 0 = = 1 1 1 0 = 0 0 0 = 0 0 1 1 0 1 0 0 1 1 = 1 = 0 1 = 0
–   Amateur 2.822446+15
−15		(+78)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+66
54.9%
2011
1.33
1105
0 0 1 1 0 0 0 1 1 1 0 1 1 0 = = 1 0 0 0 0 = 1 0 1 = 0 = = 1 = 1
–   Tytan 9.32 64-bit2429+17
−17		(+61)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−89
  
0 = 1 0 1 0 0 = = 0 0 0 0 0 = 1 0 0 0 = = 0 1 = 0 0 1 1 0 0 0 0
–   Sage 3.532424+19
−19		(+56)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−75
57.0%
2016
1.09
1149
1 0 0 0 = 1 = 0 0 0 = 1 = 0 0 0 0 1 = 0 0 0 = 0 0 1 1 = = 0 0 0
–   Sorgenkind 0.42421+18
−18		(+53)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
−47
56.1%
2280
1.15
1280
1 0 0 0 0 0 0 = 1 0 = 0 0 0 0 1 = 1 = 0 0 = = 1 = 1 0 1 1 0 0 0
–   Horizon 4.42419+18
−18		(+51)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
0.0%
+62
54.9%
1679
1.50
922
1 0 0 1 1 1 1 0 1 = = 1 = 0 1 = 0 = 1 1 0 0 0 = 1 = 1 0 = 0 = 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+49)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
0.0%
+35
60.0%
2245
1.06
1348
0 1 1 = 0 0 0 0 1 = 1 = 1 1 0 1 0 1 1 1 = 0 1 0 0 = 0 0 0 1 1 0
–   Arion 1.72415+16
−16		(+47)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−8
62.9%
2046
0.70
1286
1 0 = 1 0 1 0 1 0 0 0 1 = = 0 1 0 1 = 1 1 0 0 = 0 = 0 0 = 1 0 0
–   AICE 0.99.22411+16
−16		(+43)16 − 16
(+11−11=10)
50.0%
16.0 / 32
0.0%
+41
57.5%
1803
0.72
1037
0 = = 1 1 1 = 0 1 0 1 0 1 = = = = 0 0 0 0 1 0 = = 1 1 0 = 1 0 1
–   Chezzz 1.0.32409+15
−15		(+41)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.0%
+16
55.6%
2276
0.68
1266
0 1 1 0 0 = 1 1 0 0 0 1 = 0 1 0 0 = 1 1 1 0 0 1 = 0 1 1 1 0 0 0
–   Asterisk 0.62402+17
−17		(+34)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.1%
+47
59.5%
2282
0.46
1357
0 1 0 0 = 0 = 1 = 0 1 = 1 0 0 1 1 = 1 0 1 0 0 0 1 0 1 = 1 1 1 =
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+34)19 − 13
(+16−10=6)
59.4%
19.0 / 32
0.1%
+103
57.6%
2454
0.68
1414
0 1 1 1 1 1 = 1 1 0 1 0 0 = 0 = = 0 1 0 = 1 0 0 0 1 1 = 1 1 1 1
–   Averno 0.812396+15
−15		(+28)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
0.3%
+136
51.8%
2244
0.79
1162
1 0 0 0 0 0 1 1 0 = 1 1 0 0 1 0 1 = 1 1 1 1 1 1 = 1 1 1 = = 1 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(+22)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
1.7%
+10
60.0%
2337
0.69
1402
0 0 0 = 0 0 = 1 1 = 0 = = 1 = 1 0 1 1 1 1 0 0 0 1 1 = 1 0 0 0 1
–   KnightX 1.922385+15
−15		(+17)13 − 19
(+10−16=6)
40.6%
13.0 / 32
6.0%
−54
58.3%
2223
0.76
1295
1 = 0 0 0 0 1 1 0 1 0 = = 1 0 = 1 1 0 1 0 = 0 0 1 = 0 0 0 0 0 1
–   Eeyore 1.482384+15
−15		(+16)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
6.5%
−23
58.8%
2518
0.67
1480
1 1 1 1 1 0 0 0 = 0 = 0 0 1 0 1 0 0 = 0 1 1 1 0 1 0 1 0 0 0 1 0
–   Ayito 0.2.9942371+16
−16		(+3)15 − 17
(+14−16=2)
46.9%
15.0 / 32
40.3%
−24
59.1%
2925
0.63
1729
1 1 1 0 0 1 = 0 0 1 0 0 0 1 1 0 0 1 1 1 1 0 = 0 0 0 0 1 0 1 0 1
–   Natwarlal 0.142359+17
−17		(−9)18 − 14
(+16−12=4)
56.3%
18.0 / 32
81.3%
+39
57.8%
3549
0.65
2051
0 1 0 0 1 1 0 0 1 1 = 1 1 1 1 = 0 1 0 = 1 0 = 1 0 1 0 1 0 1 1 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−13)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
90.5%
+19
56.4%
1843
0.64
1040
= 0 0 = 0 0 1 = 1 = = = 1 0 1 1 0 1 1 1 1 = = 1 = 0 1 1 0 1 0 0
–   Zeus 1.292346+16
−16		(−22)13 − 19
(+12−18=2)
40.6%
13.0 / 32
98.2%
−100
59.8%
2785
0.83
1665
1 0 0 0 0 1 0 1 0 0 0 = 1 = 0 1 1 0 0 1 0 1 1 0 0 1 0 1 0 1 0 0
–   Esc 1.162345+15
−15		(−23)17 − 15
(+15−13=4)
53.1%
17.0 / 32
98.9%
+2
56.3%
2711
0.78
1527
1 0 1 = 1 0 1 0 1 = 1 0 0 = = 0 0 0 1 1 1 0 1 1 1 1 0 1 0 0 0 1
–   Popochin 3.22341+19
−19		(−27)18 − 14
(+13−9=10)
56.3%
18.0 / 32
99.0%
+16
61.1%
2149
0.48
1312
1 1 1 = = 1 = 0 0 1 1 0 0 = 1 1 = 1 1 1 = 0 0 = = 0 1 0 = = 0 1
–   ANT 2006-F2333+16
−16		(−35)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.9%
+9
53.9%
2229
0.74
1201
0 = 1 1 = 1 1 = 0 1 1 = = 0 1 1 = 1 1 0 0 0 1 = = 1 0 0 0 1 1 0
–   Anechka 0.082320+16
−16		(−48)13 − 19
(+10−16=6)
40.6%
13.0 / 32
100.0%
−118
57.9%
2569
0.64
1487
1 = 1 0 1 0 0 0 0 0 = 0 0 1 1 0 1 0 = 1 1 0 0 1 = 1 = 0 0 0 0 =
–   Dorky 3.482308+16
−16		(−60)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
100.0%
−71
58.0%
2283
1.23
1324
0 1 0 = = = 0 1 0 0 = = 0 0 0 1 0 1 1 1 1 1 = 1 0 = 0 0 1 1 1 0
–   CyberPagno 2.1 32MB2295+16
−16		(−73)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
+133
59.0%
2185
0.58
1290
1 1 1 1 = 1 1 1 1 0 0 1 1 = 1 = 1 1 0 1 = 1 1 = 1 1 1 = = = 1 1
–   Latista (Sinobyl) 1.52289+16
−16		(−79)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+47
53.9%
1833
0.62
988
1 = 0 1 0 = 1 = 1 0 1 = 0 1 1 1 = 1 = 1 1 = = 1 1 1 1 0 1 = = 1
–   Madeleine 0.22285+15
−15		(−83)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
−25
55.5%
2041
1.24
1133
0 = 1 0 1 1 0 1 0 1 0 1 1 0 = 1 1 1 1 = = 1 1 = 1 0 0 = = 0 1 0
–   Chispa 4.0.32273+14
−14		(−95)19.5 − 12.5
(+12−5=15)
60.9%
19.5 / 32
100.0%
−29
54.4%
1398
1.02
761
1 = 1 1 = 0 = 0 1 = = 1 1 = 1 = 0 1 = = = = 1 1 = = 1 0 0 = = 1
–   Uralochka 1.1b2272+18
−18		(−96)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−96
53.8%
2057
1.08
1106
0 1 0 = = 1 = 0 1 1 1 1 0 = 0 1 0 0 0 1 0 1 1 0 1 0 = = 0 1 = =
–   Atlas 2.202271+17
−17		(−97)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−109
  
1 = 1 1 0 0 1 1 0 0 0 0 = 0 0 0 0 1 = 0 0 = 0 1 1 1 1 1 0 1 = 1
–   Genesis 2.02247+16
−16		(−121)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+55
59.5%
2753
0.82
1638
= 1 1 0 = 1 = 1 1 0 = 1 = 1 1 1 1 1 0 1 1 1 = 0 1 1 = 1 0 1 1 1
–   Lime 662241+18
−18		(−127)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−19
58.1%
2553
0.68
1483
1 1 1 0 1 = = = 1 1 1 0 0 0 1 1 1 1 1 0 1 1 0 = 0 1 1 1 0 1 = 0
–   InmiChess 3.06N2241+15
−15		(−127)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
+31
54.8%
2008
0.92
1100
1 1 1 0 0 1 = 0 1 = 1 1 1 1 = 1 1 1 = = 1 0 0 1 1 1 1 1 0 1 0 1
–   Nesik 0.7.0 alpha2237+16
−16		(−131)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−22
56.2%
2480
0.93
1394
1 0 1 1 0 1 = = 1 = 1 1 0 1 1 0 1 = 0 1 1 1 0 0 0 1 1 1 1 1 = 0
–   NagaSkaki 5.122232+18
−18		(−136)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+96
57.9%
2767
0.93
1603
1 1 1 1 1 1 1 1 1 1 = 0 0 0 1 1 = 1 1 1 1 1 1 1 1 = = 1 0 1 1 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−136)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+21
53.0%
2409
0.71
1277
1 = 1 = = 1 1 0 1 = 1 1 = 1 1 0 1 1 1 = = 1 0 1 = 1 1 1 1 0 0 1
–   Alarm 0.93.12226+16
−16		(−142)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+31
55.9%
2348
1.27
1313
= 1 0 = 1 1 1 1 1 = 1 1 1 1 1 1 0 0 = 1 = 1 1 1 1 1 = = 1 1 0 0
–   Fortress 1.622216+15
−15		(−152)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−12
52.4%
2269
0.90
1188
1 1 = 1 1 1 1 = 1 = 1 0 1 = 1 0 1 = 1 1 0 = 0 1 1 1 0 = 1 1 = =
–   WJChess 1.642215+16
−16		(−153)28 − 4
(+25−1=6)
87.5%
28.0 / 32
100.0%
+151
54.9%
2488
0.86
1365
= 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = 1 1 = 1
–   Gk 0.90 64-bit JA2194+16
−16		(−174)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+71
55.4%
2507
0.80
1389
1 1 1 0 1 = 1 0 1 1 1 1 1 1 1 1 = 1 1 = = 1 1 = 1 = 1 1 1 1 0 1
–   Alf 1.09 JA2193+17
−17		(−175)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
−60
57.2%
2149
0.62
1229
1 1 = 1 1 0 1 0 = 1 = 1 1 1 = 1 0 1 1 0 1 0 0 = 1 1 0 1 = 1 1 0
–   Ghost 0.142189+17
−17		(−179)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
−114
55.8%
2571
0.95
1435
1 1 0 1 1 0 = 0 1 0 0 1 0 1 0 1 = 0 0 0 1 1 1 1 1 1 = 1 1 0 1 0
–   Wing 2.0a2179+16
−16		(−189)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
−30
54.0%
2079
0.61
1123
= 1 1 1 1 = = 1 = 1 0 = 1 1 0 1 1 1 1 0 0 = 1 0 1 = 1 1 1 = 1 1
–   Uragano 3D 0.872174+16
−16		(−194)21.5 − 10.5
(+20−9=3)
67.2%
21.5 / 32
100.0%
−52
58.2%
2749
0.73
1600
= 1 0 1 0 0 1 0 1 1 1 1 1 1 1 = 0 1 0 = 0 1 1 1 1 1 1 0 1 1 1 0
1792 games in total: 759 wins, 663 losses, 370 draws (20.6%), score: 52.7%
Average opponent: −20.6 (2347.4), average distance to opponent: 82.8

Performance

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

Perf = C + 0.021 [±0.191] * 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