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
Matacz 1.3 HT74 5-men-egbb WB#50  (2551+18
−18
)Quote
Author: Maciej Pestka (Poland) Released: 2007-07-06Link: Homepage
This engine is stable and runs without issues.
This is the only Matacz version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   BugChess2 1.5.22661+18
−18
(+110)10 − 11
(+8−9=4)
47.6%
10.0 / 21
0.0%
+86
56.6%
1964
0.55
1111
0 0 = = 0 0 1 = 1 1 0 1 1 = 0 1 0 1 0 1 0
–   Anaconda 2.0.12644+17
−17
(+93)9.5 − 19.5
(+5−15=9)
32.8%
9.5 / 29
0.0%
−25
61.0%
2096
0.69
1279
1 0 0 1 = 0 = 0 0 = = 0 0 0 0 0 0 = 0 = = 0 1 = 0 1 1 0 =
–   Fritz 5.322643+17
−17
(+92)8.5 − 18.5
(+4−14=9)
31.5%
8.5 / 27
0.0%
−31
60.2%
1214
0.74
731
0 = 1 0 0 = = 0 0 0 0 0 0 = 0 = = 0 1 = 0 1 = 0 = 0 1
–   Ktulu 4.22634+17
−17
(+83)9 − 17
(+5−13=8)
34.6%
9.0 / 26
0.0%
−21
57.6%
1781
0.62
1025
= = 0 = 0 0 0 = 0 = 0 0 = 0 1 0 0 0 1 0 1 0 1 1 = =
–   Thinker 4.7a2634+17
−17
(+83)9 − 15
(+5−11=8)
37.5%
9.0 / 24
0.0%
−2
61.4%
1477
0.75
907
1 0 0 = 1 = 0 = 0 = = 0 0 0 1 0 0 0 0 1 = 1 = =
–   SmarThink 0.17a2633+16
−16
(+82)12 − 14
(+8−10=8)
46.2%
12.0 / 26
0.0%
+54
55.2%
1362
0.53
752
= 0 1 0 0 = = 0 0 0 0 0 1 1 0 1 = = = 1 1 1 = = 0 1
–   Ufim 8.022628+18
−18
(+77)9 − 20
(+6−17=6)
31.0%
9.0 / 29
0.0%
−62
55.7%
2014
0.86
1121
0 = 1 0 0 0 1 0 0 = 1 0 = = = 1 0 1 = 0 0 1 0 0 0 0 0 0 0
–   Trace 1.37a2622+17
−17
(+71)8.5 − 13.5
(+3−8=11)
38.6%
8.5 / 22
0.0%
+8
58.9%
1131
0.81
666
= = 0 0 0 = = 1 1 = = 0 1 0 = 0 0 = = = = 0
–   AnMon 5.602621+18
−18
(+70)12.5 − 16.5
(+7−11=11)
43.1%
12.5 / 29
0.0%
+24
56.8%
1725
0.58
980
= = 1 1 1 = 0 0 0 = 1 1 = 1 = 0 0 0 0 = 0 0 = 0 = = 1 = 0
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(+63)9.5 − 14.5
(+6−11=7)
39.6%
9.5 / 24
0.0%
−10
52.5%
1740
0.65
914
0 = 0 1 0 = 0 1 0 = 1 0 0 1 = 0 = 1 0 1 = = 0 0
–   Yace 0.99.872609+17
−17
(+58)12 − 11
(+8−7=8)
52.2%
12.0 / 23
0.0%
+74
60.3%
1667
0.58
1005
= = = 1 0 0 0 1 0 1 = = = 1 1 1 0 1 = 1 0 = 0
–   Pepito 1.59 32-bit2595+19
−19
(+44)13 − 15
(+9−11=8)
46.4%
13.0 / 28
0.0%
+19
55.1%
2012
0.65
1108
= 0 1 = = 1 1 0 1 0 0 0 0 0 0 = = 1 = 0 = 1 0 0 1 = 1 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+33)11.5 − 11.5
(+8−8=7)
50.0%
11.5 / 23
0.4%
+30
58.2%
1588
0.70
924
1 = = 1 0 = = 0 = 0 1 = 0 1 0 0 1 1 0 1 1 = 0
–   Green Light Chess 3.002582+17
−17
(+31)12 − 17
(+7−12=10)
41.4%
12.0 / 29
0.4%
−24
59.9%
1778
0.54
1065
0 0 1 0 = 0 0 1 0 = 1 = = = = 1 = 0 0 0 = 0 1 0 0 1 = 1 =
–   Tao 5.62574+17
−17
(+23)12 − 12
(+9−9=6)
50.0%
12.0 / 24
2.6%
+18
56.8%
1485
0.81
843
0 0 1 1 0 1 0 0 1 1 0 0 1 = = = 0 = 0 1 1 = = 1
–   Cerebro 3.03d2572+19
−19
(+21)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
4.9%
+53
54.9%
2442
0.80
1341
1 0 0 1 = 0 1 = 0 0 0 1 = 1 1 1 0 0 = 1 = 1 = 0 1 = 0 0 1 1 1 1
–   Twisted Logic 20080404x2568+18
−18
(+17)11.5 − 16.5
(+7−12=9)
41.1%
11.5 / 28
7.9%
−43
59.3%
1444
0.64
857
= 0 0 = = 1 = 0 0 1 = 0 0 1 1 0 1 1 0 = = 0 = 0 0 = 0 1
–   Arasan 10.0 64-bit2564+17
−17
(+13)8 − 18
(+6−16=4)
30.8%
8.0 / 26
14.1%
−130
62.5%
1832
0.67
1145
0 0 0 0 1 0 1 = 1 = 0 0 0 0 = = 0 1 1 0 0 0 0 0 0 1
–   Abrok 5.02561+17
−17
(+10)10 − 15
(+4−9=12)
40.0%
10.0 / 25
18.5%
−50
59.7%
1247
0.49
745
0 0 = = = 0 1 = = = = = 0 = = 0 1 1 0 0 1 0 = 0 =
–   Amyan 1.5972552+17
−17
(+1)14.5 − 12.5
(+10−8=9)
53.7%
14.5 / 27
44.4%
+25
63.3%
1536
0.83
973
= = 1 1 0 = 1 1 1 1 = 1 = 0 0 0 0 0 1 = = 0 1 = 1 0 =
–   SpiderChess 0706032546+17
−17
(−5)17 − 13
(+10−6=14)
56.7%
17.0 / 30
64.3%
+33
59.6%
1410
0.61
840
= = = 1 1 1 = 0 1 = 1 = 0 1 0 = 0 = = = 1 = 0 = 1 = = 0 1 1
–   Quark 2.352536+16
−16
(−15)10 − 12
(+7−9=6)
45.5%
10.0 / 22
89.5%
−46
59.8%
1233
0.66
737
= 1 0 1 = 0 1 1 1 0 = = 0 0 1 1 0 = 0 = 0 0
–   Gaia 3.5 64-bit2536+17
−17
(−15)18 − 14
(+12−8=12)
56.3%
18.0 / 32
89.1%
+24
57.2%
1917
0.83
1096
1 = = 0 1 = = = 0 = 1 1 0 1 = = = 1 1 1 = 1 1 0 1 = 0 = 1 0 0 0
–   King of Kings 2.562536+18
−18
(−15)16 − 12
(+13−9=6)
57.1%
16.0 / 28
88.1%
+37
56.8%
2148
0.69
1221
0 1 1 0 1 = 1 0 0 1 = = 0 1 0 1 1 = = 0 1 1 1 0 1 1 = 0
–   LambChop 10.992531+17
−17
(−20)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
95.2%
−31
62.6%
1504
0.54
942
= 0 0 1 0 0 = = 1 1 = = 0 0 = 1 1 0 1 0 = 0 1 = 1 =
–   Dragon 4.62524+16
−16
(−27)17 − 10
(+13−6=8)
63.0%
17.0 / 27
98.8%
+60
58.9%
1814
0.74
1069
0 1 = 1 = = 1 = 1 1 1 1 = 0 0 1 1 1 0 1 = 0 1 1 = 0 =
–   Nejmet 3.072521+16
−16
(−30)11 − 11
(+8−8=6)
50.0%
11.0 / 22
99.5%
−29
59.7%
1358
0.69
811
0 0 1 0 0 0 0 1 = 1 1 1 1 1 = 1 = 0 = = = 0
–   Snitch 1.6.2 32-bit2521+15
−15
(−30)10.5 − 11.5
(+7−8=7)
47.7%
10.5 / 22
99.6%
−50
60.6%
1380
0.89
836
= = 0 0 0 = 1 0 1 0 = 0 1 1 1 0 1 0 = = = 1
–   RomiChess P3k 64-bit2502+18
−18
(−49)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+54
65.6%
2407
0.54
1578
1 = 1 1 1 = 0 0 1 = = 1 = 1 = 1 1 0 1 0 = 1 1 1 1 0 1 0 0 1 1 0
–   Amy 0.8.7b DC2500+17
−17
(−51)14.5 − 11.5
(+11−8=7)
55.8%
14.5 / 26
100.0%
−11
56.6%
1926
0.73
1090
1 0 = 1 1 = = 0 1 0 1 = 1 1 0 0 0 = 0 = 1 0 = 1 1 1
–   KnightDreamer 3.32499+16
−16
(−52)12.5 − 7.5
(+9−4=7)
62.5%
12.5 / 20
100.0%
+30
54.8%
1368
0.75
749
1 1 = 0 0 = 0 0 = 1 = = 1 = 1 1 1 = 1 1
–   Francesca MAD 0.13 Nobook2493+19
−19
(−58)13.5 − 5.5
(+11−3=5)
71.1%
13.5 / 19
100.0%
+90
63.8%
1450
0.68
925
1 1 0 1 0 = 1 1 1 1 1 = 1 1 1 = 0 = =
–   Leila 0.53h2490+17
−17
(−61)14.5 − 12.5
(+12−10=5)
53.7%
14.5 / 27
100.0%
−30
57.5%
1872
0.77
1077
0 0 0 0 1 = = 1 0 0 1 1 1 0 = = 1 0 1 = 0 1 0 1 1 1 1
–   Diablo 0.5.1 JA2482+16
−16
(−69)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
100.0%
−116
60.1%
2231
0.54
1340
= 0 0 = 0 1 = 1 = 0 1 = 0 0 1 0 = 1 = 0 0 0 = 1 = 0 = 0 = 1 0 1
–   PostModernist 10162480+16
−16
(−71)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+35
61.4%
2511
0.65
1543
0 1 0 0 0 = 1 1 = = 1 1 0 0 0 1 1 1 = 1 1 1 1 1 0 1 1 1 0 = 1 1
–   Djinn 0.925x2479+16
−16
(−72)15 − 11
(+12−8=6)
57.7%
15.0 / 26
100.0%
−14
55.6%
1787
0.80
993
0 1 0 1 1 = 0 0 1 0 = 0 1 = 0 = = 1 1 1 1 1 1 1 0 =
–   Comet B682478+14
−14
(−73)12.5 − 12.5
(+10−10=5)
50.0%
12.5 / 25
100.0%
−75
56.5%
2264
1.05
1280
0 0 0 1 1 1 0 0 0 = 1 = = 0 0 = 0 1 1 = 1 1 1 0 1
–   Sjeng 12.132475+14
−14
(−76)14.5 − 11.5
(+12−9=5)
55.8%
14.5 / 26
100.0%
−34
58.0%
1797
0.67
1042
1 0 = 1 0 1 1 0 1 0 = 1 1 0 1 1 0 0 0 = = 0 = 1 1 1
–   Muse 0.899b2474+16
−16
(−77)14 − 11
(+11−8=6)
56.0%
14.0 / 25
100.0%
−29
53.3%
1399
0.81
746
1 = 1 0 1 1 1 0 0 1 0 1 0 = = 1 1 1 = 0 0 0 = 1 =
–   The Crazy Bishop 00522460+15
−15
(−91)20 − 7
(+16−3=8)
74.1%
20.0 / 27
100.0%
+77
58.5%
1996
0.72
1168
1 1 1 1 1 1 = = 0 = 1 1 1 = 1 = 0 1 0 1 1 1 1 = = = 1
–   Der Bringer 1.92455+15
−15
(−96)16 − 8
(+14−6=4)
66.7%
16.0 / 24
100.0%
+30
60.6%
1923
0.71
1165
0 1 0 1 0 1 1 1 1 = = 1 = 1 0 1 1 1 0 1 = 0 1 1
–   Phalanx XXII Reborn JA2452+15
−15
(−99)15.5 − 9.5
(+10−4=11)
62.0%
15.5 / 25
100.0%
−21
59.4%
1245
0.82
739
0 = 1 = 0 = 1 1 0 1 = 1 = 1 1 = 1 = = = 0 = 1 1 =
–   Betsy 6.51 Nobook2450+15
−15
(−101)17.5 − 9.5
(+16−8=3)
64.8%
17.5 / 27
100.0%
+15
62.8%
2345
0.59
1472
0 1 1 1 1 0 1 1 = 1 1 1 0 0 1 0 1 0 1 1 0 1 = = 0 1 1
–   Amateur 2.822446+15
−15
(−105)17 − 7
(+13−3=8)
70.8%
17.0 / 24
100.0%
+32
59.0%
1633
0.80
963
1 0 1 = 0 1 = 1 1 1 1 0 1 = = 1 1 = = 1 = = 1 1

Performance

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

Perf = C + 0.034 [±0.235] * 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