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
Popochin 3.2 WB#100  (2341+19
−19		)Quote
Author: Miguel Izquierdo (Spain) Released: 2008-05-23Link: WBEC
This engine is stable and runs without issues.
This is the only Popochin version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+76)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+8
55.9%
2606
0.64
1456
0 0 = 0 0 0 = 1 = 1 = 0 0 = 0 0 0 0 = 1 1 1 1 0 1 0 0 = 1 = 1 0
–   Arion 1.72415+16
−16		(+74)10 − 22
(+4−16=12)
31.3%
10.0 / 32
0.0%
−48
64.2%
1907
0.50
1225
0 1 0 0 = = = = 0 = 0 0 = 0 = 1 0 = 1 0 = 0 = 0 = 0 1 0 0 0 0 =
–   AICE 0.99.22411+16
−16		(+70)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−4
52.7%
2310
0.59
1218
0 1 = = 0 = = 0 0 0 0 0 1 0 0 0 0 1 1 0 0 1 1 = = 0 0 1 = 1 = =
–   Chezzz 1.0.32409+15
−15		(+68)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.0%
+69
55.8%
2947
0.59
1643
0 1 1 = 0 = 1 1 = 0 1 0 0 0 1 = = 1 1 0 0 1 0 = 1 0 1 1 0 0 0 1
–   Asterisk 0.62402+17
−17		(+61)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−105
57.9%
2810
0.46
1628
0 = 1 0 1 1 = 0 0 0 0 1 0 0 = 1 0 0 0 0 0 = 0 = 0 = 0 0 1 0 0 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+61)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−48
56.4%
2762
0.46
1558
0 0 1 0 1 0 = 1 = 0 0 0 0 = 1 = 0 = 0 1 1 = 0 0 = 0 0 1 = 0 0 0
–   Averno 0.812396+15
−15		(+55)15 − 17
(+10−12=10)
46.9%
15.0 / 32
0.0%
+34
53.3%
1865
0.56
994
1 = 0 0 = = = 0 1 = 1 0 1 0 1 0 1 0 = = 1 0 0 1 = 0 1 = = 1 0 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(+49)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
−12
61.6%
2596
0.60
1600
0 0 0 1 1 0 = 0 = 1 1 1 1 0 = 0 0 0 0 0 1 1 = = 1 0 0 0 0 1 1 0
–   KnightX 1.922385+15
−15		(+44)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
−32
55.6%
2117
0.79
1178
1 1 0 0 = 0 = 0 = 0 1 0 1 0 1 0 = 0 1 = 0 1 0 = = 0 = 0 0 0 1 =
–   Eeyore 1.482384+15
−15		(+43)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
0.0%
+32
59.4%
2572
0.67
1529
0 1 = 1 0 1 0 1 0 1 0 0 1 0 0 0 1 = = 1 = 1 1 = = = 0 0 = 1 0 =
–   Ayito 0.2.9942371+16
−16		(+30)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.6%
+7
60.1%
2379
0.60
1430
1 1 0 0 1 1 0 = 0 = 0 0 0 0 1 1 0 1 = 0 0 1 1 0 1 0 = = 0 1 1 =
–   Matilde 2008 64-bit2368+15
−15		(+27)14 − 18
(+9−13=10)
43.8%
14.0 / 32
1.0%
−16
61.1%
2149
0.48
1312
0 0 0 = = 0 = 1 1 0 0 1 1 = 0 0 = 0 0 0 = 1 1 = = 1 0 1 = = 1 0
–   Natwarlal 0.142359+17
−17		(+18)16 − 16
(+12−12=8)
50.0%
16.0 / 32
7.5%
+19
61.1%
2276
0.56
1391
0 = 0 1 1 = = 0 1 0 = 1 1 = 0 1 = 0 0 0 1 1 1 0 0 1 0 = 1 = 0 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+14)18 − 14
(+12−8=12)
56.3%
18.0 / 32
11.4%
+56
55.7%
2159
0.54
1203
= 1 = 1 = 1 0 1 0 = = = = 1 = 0 = 0 0 1 = 1 0 1 = 0 1 = 1 0 1 1
–   Zeus 1.292346+16
−16		(+5)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
34.1%
+14
57.2%
1891
0.70
1082
= 0 = 0 = = 1 1 0 0 1 1 = 0 0 1 0 = 1 1 = = 1 1 1 0 1 = 0 0 = =
–   Esc 1.162345+15
−15		(+4)17 − 15
(+13−11=8)
53.1%
17.0 / 32
38.4%
+25
59.5%
2172
0.69
1293
0 = 0 1 1 1 1 0 = 1 0 = 0 0 0 0 = 1 0 1 = 1 0 = 1 1 1 1 0 = = 1
–   ANT 2006-F2333+16
−16		(−8)17 − 15
(+13−11=8)
53.1%
17.0 / 32
73.9%
+11
53.4%
2391
0.56
1277
1 1 0 1 = 1 = 0 = = 0 0 = 0 1 1 1 0 = 1 1 0 = 0 1 = 0 1 0 1 1 0
–   Anechka 0.082320+16
−16		(−21)21 − 11
(+19−9=4)
65.6%
21.0 / 32
95.9%
+103
56.0%
3019
0.60
1691
1 1 1 1 1 1 = 0 = 1 1 0 0 = 0 1 1 0 = 1 1 1 1 0 0 1 0 1 0 1 1 1
–   Dorky 3.482308+16
−16		(−33)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.7%
+10
56.2%
2190
0.90
1230
1 0 = 1 0 1 0 1 = 1 1 1 0 1 0 1 = = 1 0 = 1 0 0 0 0 1 = = 1 1 =
–   CyberPagno 2.1 32MB2295+16
−16		(−46)15 − 17
(+11−13=8)
46.9%
15.0 / 32
100.0%
−68
60.4%
2607
0.48
1574
0 0 0 = = 1 1 1 0 0 = 1 0 0 1 0 0 1 1 = = 0 0 1 0 1 0 1 1 = = =
–   Latista (Sinobyl) 1.52289+16
−16		(−52)18 − 14
(+11−7=14)
56.3%
18.0 / 32
100.0%
−14
55.8%
1481
0.74
827
1 1 = 0 = 1 = = 1 1 0 0 = = = 0 1 = 1 1 = = = = = 0 1 0 0 = 1 1
–   Madeleine 0.22285+15
−15		(−56)14 − 18
(+11−15=6)
43.8%
14.0 / 32
100.0%
−102
55.8%
2559
0.76
1428
= 0 0 0 1 1 1 1 0 = 0 = 0 1 0 0 = 0 0 = = 0 0 1 1 0 0 0 1 1 1 1
–   Chispa 4.0.32273+14
−14		(−68)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
+1
56.1%
1806
0.83
1013
0 = 0 1 1 1 = 0 1 = = 0 1 = = 1 1 1 1 = = 1 0 = = = 0 = = 1 1 1
–   Uralochka 1.1b2272+18
−18		(−69)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−33
53.5%
2514
1.08
1346
1 0 0 0 1 0 0 = 1 1 1 1 1 0 0 1 1 0 = = 0 0 1 = = = 0 1 1 = 1 1
–   Atlas 2.202271+17
−17		(−70)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+51
  
1 0 = = 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = 0 = 0 1 0 = 1 0 1 1 = 0 1
–   Genesis 2.02247+16
−16		(−94)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−59
59.1%
2978
0.73
1759
1 = 1 1 1 1 = 0 1 0 1 1 0 0 0 = 1 0 0 = 0 = 0 0 1 0 1 1 0 1 1 1
–   Lime 662241+18
−18		(−100)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
−5
54.6%
2813
0.76
1537
1 = = 1 0 1 0 1 1 1 0 0 0 = 1 = 1 0 1 1 0 = 1 1 1 1 1 1 1 0 = 0
–   InmiChess 3.06N2241+15
−15		(−100)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+18
55.2%
2163
0.88
1193
= 1 1 = 1 0 1 1 0 1 1 1 = 1 = 1 0 1 = = 0 1 = 1 0 1 1 1 0 1 = =
–   Nesik 0.7.0 alpha2237+16
−16		(−104)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+45
58.4%
2512
0.67
1468
1 = 1 1 = 0 1 = 0 1 1 1 1 1 = 0 0 1 1 0 0 1 1 = = = 1 1 1 1 1 1
–   NagaSkaki 5.122232+18
−18		(−109)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
+72
57.2%
2573
0.60
1471
1 1 1 1 = 1 = 1 = 1 1 = 1 0 1 1 1 1 1 1 1 0 1 1 0 = 1 = = 1 0 =
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−109)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
0
56.7%
2691
0.55
1527
0 1 1 0 0 1 1 = 1 1 = 0 1 0 0 1 1 1 1 1 1 0 0 0 1 1 1 = = 1 1 =
–   Alarm 0.93.12226+16
−16		(−115)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
+33
56.1%
2769
0.92
1554
1 1 1 1 1 1 = 1 0 1 1 1 1 0 0 = 1 0 = 1 0 0 1 1 1 0 1 0 1 1 = 1
–   Fortress 1.622216+15
−15		(−125)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+1
54.9%
2417
0.75
1327
1 1 1 = = = = 1 1 1 0 0 0 0 0 1 = 1 1 1 1 1 1 1 = 1 0 1 = 0 1 1
–   WJChess 1.642215+16
−16		(−126)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
−55
60.9%
2113
0.70
1287
1 = = = 0 1 = 0 1 1 1 = 1 1 1 = 1 = 0 0 = 0 1 = 1 1 = = 0 = 1 =
1088 games in total: 436 wins, 374 losses, 278 draws (25.6%), score: 52.8%
Average opponent: −20.8 (2320.2), average distance to opponent: 61.9

Performance

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

Perf = C − 0.032 [±0.237] * 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