KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
August 14, 2010
Testing summary:
Total: 89,765 games
played by 153 programs
937 CPU days (X2 4600+)

White wins: 36,316 (40.5%)
Black wins: 30,946 (34.5%)
Draws: 22,503 (25.1%)
White score: 53.0%

Engine Details

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Show each game results
Ayito 0.2.994 UCI#85  (2363+17
−17		)Quote
Author: Jaime Benito de Valle Ruiz (Spain) Released: 2005-09-03Link: WBEC
Issues with this engine: Frequent losses on time.
This is the only Ayito version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Leila 0.53h2483+17
−17		(+120)7.5 − 16.5
(+5−14=5)
31.3%
7.5 / 24
0.0%
−27
52.8%
1823
1.03
963
0 1 1 0 0 0 0 = 0 0 1 = 0 1 0 0 0 = 0 = 0 1 = 0
–   Comet B682473+15
−15		(+110)8 − 15
(+6−13=4)
34.8%
8.0 / 23
0.0%
−6
53.6%
1842
0.90
988
= 0 1 0 0 0 1 0 0 1 0 = 0 0 1 1 = 0 0 = 0 1 0
–   Djinn 0.925x2472+16
−16		(+109)11 − 14
(+9−12=4)
44.0%
11.0 / 25
0.0%
+64
51.0%
2182
0.72
1112
0 0 0 1 = 1 1 = 0 0 1 0 0 0 = 0 1 1 0 0 1 1 1 = 0
–   Sjeng 12.132472+15
−15		(+109)12.5 − 12.5
(+11−11=3)
50.0%
12.5 / 25
0.0%
+109
54.7%
1778
0.90
973
0 0 0 1 0 1 0 = = 1 1 0 = 1 1 1 1 1 0 0 1 1 0 0 0
–   Muse 0.899b2472+17
−17		(+109)12.5 − 13.5
(+10−11=5)
48.1%
12.5 / 26
0.0%
+93
51.0%
2547
1.05
1300
= 0 = 0 1 0 0 0 1 0 0 0 = 1 1 1 1 1 0 0 1 = 0 = 1 1
–   Patzer 3.802458+17
−17		(+95)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−15
51.4%
2470
1.05
1269
0 1 0 1 = = 0 0 0 0 0 1 0 1 0 = 0 1 1 0 0 0 1 1 0 1 0 0 0 = = 0
–   Der Bringer 1.92458+16
−16		(+95)13 − 15
(+9−11=8)
46.4%
13.0 / 28
0.0%
+73
52.5%
1903
0.70
999
= 1 0 = = = 0 0 0 0 0 1 = 1 1 0 0 = 0 0 = 0 1 1 1 1 = 1
–   The Crazy Bishop 00522455+16
−16		(+92)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
0.0%
+28
52.3%
2218
0.64
1159
= 1 0 0 = 1 1 0 1 0 0 0 0 = = 1 0 0 = 1 1 0 0 0 1 = 0 =
–   Gosu 0.162449+17
−17		(+86)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−16
55.0%
2564
0.75
1409
0 0 0 0 = 0 0 1 0 0 1 1 1 0 1 0 1 1 0 1 0 0 1 0 0 = 0 = 1 0 0 =
–   Phalanx XXII Reborn JA2448+15
−15		(+85)13 − 11
(+11−9=4)
54.2%
13.0 / 24
0.0%
+121
50.7%
1936
0.79
982
0 0 1 1 1 = 1 1 0 0 1 1 1 0 = 0 1 0 = 1 0 0 1 =
–   Amateur 2.822446+16
−16		(+83)14 − 14
(+13−13=2)
50.0%
14.0 / 28
0.0%
+81
54.7%
2431
1.19
1330
0 0 0 1 1 0 0 = 1 0 0 1 1 0 1 1 0 1 = 1 0 0 1 0 1 0 1 1
–   Betsy 6.51 Nobook2444+16
−16		(+81)9 − 19
(+7−17=4)
32.1%
9.0 / 28
0.0%
−61
57.3%
2343
0.70
1342
0 1 0 0 0 0 1 0 0 0 0 1 = = = 0 0 0 1 0 = 1 0 1 0 0 0 1
–   GNU Chess 5.07.9b 64-bit JA2441+17
−17		(+78)10.5 − 21.5
(+9−20=3)
32.8%
10.5 / 32
0.0%
−66
50.0%
3433
0.83
1717
1 0 0 0 1 0 0 1 1 = 0 0 = 1 1 1 0 0 0 1 0 0 0 0 0 0 0 1 0 = 0 0
–   Thor's Hammer 2.28 32-bit2417+16
−16		(+54)13 − 15
(+12−14=2)
46.4%
13.0 / 28
0.0%
+22
53.5%
2407
1.04
1287
0 0 1 0 0 0 1 0 1 0 1 0 1 0 = 1 1 0 1 = 1 0 1 0 1 0 1 0
–   Arion 1.72411+17
−17		(+48)13 − 18
(+10−15=6)
41.9%
13.0 / 31
0.0%
−15
60.1%
2442
0.79
1467
1 = 0 1 0 1 1 1 0 0 0 0 = 0 = 0 0 1 0 = 1 1 0 0 = 0 1 0 = 1 0
–   AICE 0.99.22407+17
−17		(+44)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
−18
52.0%
1788
0.81
930
1 0 1 1 0 0 = = = = = = 1 1 0 0 0 0 = 0 0 = = 0 = 0 1 1 0 = 0 =
–   Chezzz 1.0.32405+16
−16		(+42)14 − 15
(+11−12=6)
48.3%
14.0 / 29
0.0%
+32
51.7%
2496
0.89
1291
0 0 0 1 = 1 1 = 0 = 1 0 0 1 = 1 = 0 0 1 1 0 1 0 1 0 = 1 0
–   Resp 0.19 64-bit JA Nobook2398+18
−18		(+35)6.5 − 12.5
(+5−11=3)		34.2%
6.5 / 19
0.2%
−88
53.1%
1700
0.65
902
0 = 1 0 0 1 1 0 0 = 1 0 1 0 0 = 0 0 0
–   Averno 0.812389+16
−15		(+26)17.5 − 13.5
(+14−10=7)
56.5%
17.5 / 31
1.0%
+72
48.4%
2790
0.74
1351
1 0 1 = 0 1 0 0 = 1 0 1 1 0 1 1 = = = 0 0 0 1 1 = = 0 1 1 1 1
–   Scidlet 3.61 64-bit JA2384+16
−16		(+21)12 − 18
(+8−14=8)
40.0%
12.0 / 30
3.3%
−48
58.6%
2394
0.68
1404
1 = = 1 = = = 1 1 0 1 0 = 0 0 0 1 0 0 0 0 = 0 0 1 = 0 1 0 0
–   KnightX 1.922379+16
−16		(+16)9 − 16
(+6−13=6)
36.0%
9.0 / 25
8.0%
−86
56.1%
1390
0.85
780
0 0 = = 1 0 = = 1 1 0 0 0 1 0 0 0 1 0 = 1 = 0 0 0
–   Eeyore 1.482375+16
−16		(+12)10 − 12
(+9−11=2)
45.5%
10.0 / 22
14.5%
−21
60.7%
1550
0.65
941
1 1 1 0 0 0 1 1 1 = 0 0 1 0 0 0 0 0 1 = 1 0
–   EXchess 5.01 beta 64-bit JA2352+15
−15		(−11)12 − 15
(+9−12=6)
44.4%
12.0 / 27
82.7%
−55
52.7%
2145
0.85
1131
0 1 1 0 0 1 = = 1 0 = 1 0 1 0 0 0 0 = 0 0 1 1 = 1 = 0
–   Natwarlal 0.142350+18
−18		(−13)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
84.8%
+72
55.7%
2706
0.84
1508
0 = 1 1 1 1 = 1 1 1 0 0 0 1 0 = 1 1 0 0 0 0 0 1 = 1 1 1 = 1 1 1
–   Esc 1.162338+16
−16		(−25)14 − 13
(+11−10=6)
51.9%
14.0 / 27
98.3%
−8
51.0%
1864
0.93
950
0 1 0 = 1 = 0 = 0 1 1 = 0 0 1 1 0 = 0 1 = 1 0 1 0 1 1
–   Zeus 1.292337+18
−18		(−26)19 − 13
(+15−9=8)
59.4%
19.0 / 32
98.2%
+43
54.0%
2257
0.74
1218
1 1 = 0 1 1 1 1 1 0 0 1 1 1 1 = = 0 0 0 1 0 = = = = 1 1 0 0 = 1
–   ANT 2006-F2325+18
−17		(−38)13 − 13
(+11−11=4)
50.0%
13.0 / 26
99.9%
−38
53.4%
1919
0.77
1025
0 1 1 0 0 = 0 1 = 1 1 0 0 1 0 = 0 0 1 1 1 0 1 0 = 1
–   Anechka 0.082314+17
−17		(−49)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
+40
53.7%
2384
0.92
1280
= 0 = = 1 1 0 1 1 = 1 1 1 1 1 = 0 1 1 1 0 0 1 0 1 0 1 = 1 = 0 =
–   Dorky 3.482295+16
−16		(−68)23 − 5
(+21−3=4)
82.1%
23.0 / 28
100.0%
+198
54.4%
2515
0.95
1368
1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 0 1 1 1 1 1 1 = 0 = 1 1 0
–   CyberPagno 2.1 32MB2292+16
−16		(−71)10.5 − 16.5
(+6−12=9)
38.9%
10.5 / 27
100.0%
−146
53.2%
1584
0.66
843
0 = 0 0 = = = 0 0 0 0 0 0 1 1 1 = 1 = 0 = 1 = 0 = 0 1
–   Latista (Sinobyl) 1.52281+17
−17		(−82)17.5 − 10.5
(+13−6=9)
62.5%
17.5 / 28
100.0%
+4
53.3%
1764
0.71
940
= = 1 = 1 = 0 1 1 0 0 1 1 0 = 1 = 0 1 1 1 = 1 1 0 = = 1
–   Madeleine 0.22277+16
−16		(−86)13.5 − 11.5
(+10−8=7)
54.0%
13.5 / 25
100.0%
−59
53.9%
1908
0.90
1029
0 1 = 1 0 0 = = 0 0 0 = 1 1 0 1 0 = 1 1 = 1 1 = 1
–   Chispa 4.0.32266+15
−15		(−97)12 − 14
(+7−9=10)
46.2%
12.0 / 26
100.0%
−126
54.4%
1439
0.95
783
0 1 1 0 0 = 1 0 0 = = 0 = = 0 = 1 1 = 0 = = 1 1 = 0
–   Atlas 2.202255+18
−17		(−108)14.5 − 10.5
(+12−8=5)
58.0%
14.5 / 25
100.0%
−42
  
0 0 = 0 1 1 = 0 0 1 1 1 0 1 1 0 = 1 = 0 1 1 = 1 1
–   Genesis 2.02237+17
−17		(−126)17 − 13
(+14−10=6)
56.7%
17.0 / 30
100.0%
−72
54.0%
2513
0.60
1357
1 = 1 0 1 0 = 1 = 1 1 0 = 1 1 0 1 1 0 0 0 0 1 1 1 = = 0 1 0
–   InmiChess 3.06N2228+15
−16		(−135)11.5 − 11.5
(+10−10=3)
50.0%
11.5 / 23
100.0%
−135
50.3%
1734
0.79
872
0 0 1 1 0 = 1 0 = 1 1 1 1 0 = 0 0 1 1 0 0 0 1
–   Nesik 0.7.0 alpha2227+16
−16		(−136)23 − 7
(+22−6=2)
76.7%
23.0 / 30
100.0%
+96
55.0%
2704
0.71
1488
1 1 1 0 1 1 1 0 = 1 0 1 1 1 1 1 1 = 1 1 1 1 0 1 1 1 1 1 0 0
–   Sunsetter C10.3 64-bit JA2221+17
−17		(−142)16.5 − 9.5
(+15−8=3)
63.5%
16.5 / 26
100.0%
−33
52.6%
2393
0.96
1258
1 1 0 = = 0 = 1 1 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1
–   Alarm 0.93.12213+17
−17		(−150)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
100.0%
−34
55.1%
2158
1.05
1190
0 0 0 1 1 = 1 0 0 1 0 1 1 1 0 = 0 1 1 1 = 1 0 1 1 1 1 1 0 1 1 1
–   WJChess 1.642213+16
−16		(−150)15 − 8
(+14−7=2)
65.2%
15.0 / 23
100.0%
−19
52.8%
2134
1.10
1126
1 0 = 1 1 1 0 1 = 1 1 1 0 0 0 1 1 0 1 0 1 1 1
–   Fortress 1.622201+16
−16		(−162)19 − 7
(+16−4=6)
73.1%
19.0 / 26
100.0%
+11
53.4%
2105
1.03
1125
1 0 1 0 1 0 1 = 1 1 = = 1 1 1 1 = 1 1 = 1 1 0 = 1 1
–   Gk 0.90 64-bit JA2179+17
−17		(−184)21.5 − 5.5
(+19−3=5)
79.6%
21.5 / 27
100.0%
+56
50.8%
1986
0.89
1008
1 0 1 1 1 1 = = 1 1 = 1 1 1 1 1 0 1 1 = 1 = 1 1 1 0 1
–   Wing 2.0a2165+17
−17		(−198)20 − 5
(+19−4=2)
80.0%
20.0 / 25
100.0%
+67
51.0%
2248
0.70
1147
1 1 = 0 1 0 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1
–   Matheus 2.32129+16
−16		(−234)22.5 − 3.5
(+21−2=3)
86.5%
22.5 / 26
100.0%
+90
55.2%
2173
0.94
1199
1 1 1 = = 1 1 = 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1
–   Bodo 0.2b2121+16
−16		(−242)15 − 4
(+14−3=2)		78.9%
15.0 / 19
100.0%
+3
52.7%
1069
0.68
563
1 = 1 1 1 1 1 0 0 0 1 1 1 1 = 1 1 1 1
–   Ax 0.82108+16
−16		(−255)21.5 − 7.5
(+19−5=5)
74.1%
21.5 / 29
100.0%
−64
  
1 1 1 1 = 1 1 1 1 1 0 = 1 1 1 1 0 1 0 1 1 0 = 1 1 = 1 = 0
–   Bestia 0.902108+16
−16		(−255)20 − 6
(+18−4=4)
76.9%
20.0 / 26
100.0%
−38
51.9%
2045
0.90
1062
1 1 1 0 1 = 1 0 1 1 1 1 1 = 1 1 = 1 1 0 1 1 1 0 1 =
–   DelphiMax 2.92093+17
−17		(−270)19.5 − 5.5
(+19−5=1)
78.0%
19.5 / 25
100.0%
−10
52.4%
2387
1.03
1250
1 0 1 0 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1 0 1 0 1 1 1
1304 games in total: 586 wins, 480 losses, 238 draws (18.3%), score: 54.1%
Average opponent: −34.1 (2328.9), average distance to opponent: 98.9

Performance

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

Perf = C + 0.095 [±0.172] * 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 2005-2010 by Kirill Kryukov
Last games added on August 14, 2010