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
NagaSkaki 5.12 WB#114–115  (2232+18
−18		)Quote
Author: Neels Groenewald (South Africa) Released: 2008-05-17Link: Homepage
This engine is stable and runs without issues.
This is the only NagaSkaki version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Ayito 0.2.9942371+16
−16		(+139)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−1
52.9%
2546
1.12
1346
0 1 0 1 = 0 0 0 0 1 1 = = = = 0 0 0 1 0 0 1 0 = 0 0 0 0 0 1 0 0
–   Matilde 2008 64-bit2368+15
−15		(+136)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
−96
57.9%
2767
0.93
1603
0 0 0 0 0 0 0 0 0 0 = 1 1 1 0 0 = 0 0 0 0 0 0 0 0 = = 0 1 0 0 1
–   Natwarlal 0.142359+17
−17		(+127)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
0.0%
+137
55.3%
2082
0.96
1152
1 1 = 1 0 1 1 0 1 = 1 1 0 = 1 = = 0 = 0 0 = 1 0 0 0 1 = = 0 0 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+123)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−52
57.0%
2508
0.78
1429
0 1 0 1 0 0 0 0 0 1 = 0 0 0 0 = 0 0 = 0 1 0 0 0 = 0 = 0 0 = = 1
–   Zeus 1.292346+16
−16		(+114)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+70
56.1%
2424
0.71
1359
0 1 0 0 0 0 1 0 = = 1 0 = 1 0 1 = = 1 = = 0 0 0 1 1 0 = 0 1 0 1
–   Esc 1.162345+15
−15		(+113)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
+10
55.4%
2227
0.78
1233
1 0 = 1 0 0 0 0 = = 1 = 0 1 0 0 0 0 0 1 1 0 0 = 1 0 0 0 = 1 = 0
–   Popochin 3.22341+19
−19		(+109)8 − 24
(+4−20=8)
25.0%
8.0 / 32
0.0%
−72
57.2%
2573
0.60
1471
0 0 0 0 = 0 = 0 = 0 0 = 0 1 0 0 0 0 0 0 0 1 0 0 1 = 0 = = 0 1 =
–   ANT 2006-F2333+16
−16		(+101)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
+46
54.5%
2223
0.70
1212
1 0 1 1 0 0 0 0 0 0 0 1 = = 1 0 0 0 0 = 0 = = 1 = = 1 = = 1 0 1
–   Anechka 0.082320+16
−16		(+88)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−24
53.4%
2223
1.14
1186
= = 0 1 = 0 = 1 0 = 0 0 = 0 0 0 1 1 0 0 0 0 0 0 1 0 1 0 = = 0 1
–   Dorky 3.482308+16
−16		(+76)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+54
57.3%
2957
1.12
1693
0 1 1 1 = 1 0 1 1 1 0 0 1 1 = 0 0 = = 1 0 1 1 0 = 0 0 0 0 = 0 0
–   CyberPagno 2.1 32MB2295+16
−16		(+63)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
0.0%
+34
56.5%
1820
0.83
1028
0 = = = = 1 1 = = = = 1 0 = = 0 1 0 = 0 1 = 1 0 0 = 0 1 0 0 0 1
–   Latista (Sinobyl) 1.52289+16
−16		(+57)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
−22
55.2%
2117
0.71
1168
= = 0 = 0 0 0 = 0 0 0 1 0 0 = = 1 = = 0 = 0 1 = 1 = = 0 0 1 1 0
–   Madeleine 0.22285+15
−15		(+53)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
0.0%
+107
54.5%
2243
1.34
1222
0 1 1 1 1 0 0 1 = 0 = 1 0 1 = = 1 0 0 = = = 1 = 1 1 = 0 1 1 1 0
–   Chispa 4.0.32273+14
−14		(+41)15 − 17
(+8−10=14)
46.9%
15.0 / 32
0.0%
+19
56.7%
1589
1.09
901
= = = 0 0 0 = = 1 0 = 0 0 = 1 = 0 0 = 1 = 0 = 1 0 1 = = = 1 1 1
–   Uralochka 1.1b2272+18
−18		(+40)14 − 18
(+9−13=10)
43.8%
14.0 / 32
0.1%
−3
53.5%
2055
0.82
1100
= 0 0 0 1 = = 1 = 0 0 1 0 1 0 0 1 1 0 = = = = 0 1 0 1 0 = 0 = 1
–   Atlas 2.202271+17
−17		(+39)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.1%
−26
  
0 0 = 1 1 0 1 = 0 0 = 0 1 1 = 0 = 0 0 0 0 1 0 1 1 = 0 1 0 0 = =
–   Genesis 2.02247+16
−16		(+15)17 − 15
(+10−8=14)
53.1%
17.0 / 32
10.2%
+34
54.2%
1841
0.97
998
= 0 0 1 1 = = = = = 0 1 1 = = 1 = = 0 = 1 0 0 1 = = 1 1 = 0 0 1
–   Lime 662241+18
−18		(+9)13 − 19
(+9−15=8)
40.6%
13.0 / 32
21.8%
−57
53.9%
2654
1.00
1431
0 1 1 0 1 = 1 0 = 0 0 = 0 0 1 = 0 0 0 0 0 1 = 1 = = 1 0 0 = 1 0
–   InmiChess 3.06N2241+15
−15		(+9)10 − 22
(+5−17=10)
31.3%
10.0 / 32
20.1%
−117
51.5%
2273
0.68
1170
0 0 0 0 0 1 1 0 = = 1 = 0 = = 0 = 0 0 = 0 0 1 0 = 0 = 0 0 = 1 0
–   Nesik 0.7.0 alpha2237+16
−16		(+5)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
33.5%
+35
56.6%
1829
0.89
1036
0 = 1 0 0 = = = 1 = 0 1 = 1 = 0 0 = 1 1 0 = = 0 1 = = = 1 1 1 1
–   Sunsetter C10.3 64-bit JA2232+16
−16		(0)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
50.1%
+102
53.5%
2534
1.15
1355
0 1 = 1 1 1 = 1 1 1 1 = 1 1 0 0 1 0 0 0 0 = = 1 0 1 = 1 1 = 1 1
–   Alarm 0.93.12226+16
−16		(−6)14 − 18
(+13−17=2)
43.8%
14.0 / 32
70.3%
−57
54.3%
2766
0.93
1503
0 1 0 0 1 0 1 0 0 0 1 0 0 1 0 1 1 = 1 0 1 1 1 0 0 0 1 0 = 0 1 0
–   Fortress 1.622216+15
−15		(−16)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
92.6%
−28
54.8%
2207
1.03
1209
= 0 0 = 0 = 1 1 0 0 0 = 1 = 1 0 0 0 1 0 0 = 1 = 1 1 1 1 = = = =
–   WJChess 1.642215+16
−16		(−17)18 − 14
(+12−8=12)
56.3%
18.0 / 32
93.3%
+23
58.7%
1767
0.83
1037
1 = 0 0 1 1 1 1 1 1 0 0 1 = = = = 0 = 0 = 1 = = 0 0 1 = 1 = 1 =
–   Gk 0.90 64-bit JA2194+16
−16		(−38)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
99.9%
+45
52.8%
3184
1.24
1682
1 0 1 0 1 1 1 0 1 = 0 0 1 1 1 = 0 = = 1 0 1 1 1 0 1 0 0 1 1 = 1
–   Alf 1.09 JA2193+17
−17		(−39)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
99.9%
−97
54.7%
2465
0.91
1348
1 0 0 0 1 1 = 0 0 0 0 0 = 1 = = 0 0 0 = 0 1 1 0 = 0 1 1 1 0 = 1
–   Clarabit 1.00 64-bit2193+18
−18		(−39)15 − 17
(+9−11=12)
46.9%
15.0 / 32
99.9%
−59
54.3%
1802
0.80
979
1 1 = = 0 = 0 1 1 = = = 1 0 = 1 0 0 = 1 0 = 0 0 1 1 = = = 0 0 0
–   Ghost 0.142189+17
−17		(−43)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
+45
52.2%
2478
1.17
1293
1 0 1 0 1 1 1 0 1 1 = = 1 1 1 0 0 0 1 0 1 = = 1 1 1 = = 0 = = 1
–   Wing 2.0a2179+16
−16		(−53)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
0
54.0%
1958
0.96
1057
1 0 1 1 1 = 1 0 1 1 1 0 = 1 1 0 0 0 = = 1 = 0 0 = = 0 1 1 = = 1
–   Uragano 3D 0.872174+16
−16		(−58)20 − 12
(+19−11=2)
62.5%
20.0 / 32
100.0%
+46
53.8%
2951
1.25
1587
0 1 1 0 1 0 1 1 1 1 1 0 1 0 1 = = 1 0 1 1 0 0 1 0 1 1 1 1 1 0 0
–   Parrot 0707222161+17
−17		(−71)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
100.0%
−104
53.4%
2163
1.25
1156
1 0 = = 1 1 0 0 0 0 1 1 1 = = 0 = 1 0 1 0 = 1 = 0 = 0 0 0 1 0 =
–   Matheus 2.32144+15
−15		(−88)18 − 14
(+16−12=4)
56.3%
18.0 / 32
100.0%
−38
53.5%
2512
1.22
1344
= 1 0 1 1 1 = 1 1 1 0 0 = = 0 0 0 1 0 1 1 1 1 0 0 1 0 1 0 0 1 1
–   Bodo 0.2b2137+15
−15		(−95)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+31
54.9%
2099
0.87
1152
1 0 1 1 1 1 1 = 0 1 1 1 = = = 0 0 1 1 1 = 1 1 0 1 = 0 = 0 1 1 1
–   Monarch 1.72131+16
−16		(−101)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+22
49.4%
2871
1.86
1418
= 0 = 1 0 1 1 1 1 1 1 1 0 1 1 1 = 1 = 1 1 1 0 = 1 0 = 1 = 0 0 1
–   Bestia 0.902122+15
−15		(−110)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
−13
55.2%
1974
1.25
1089
= 0 1 = 1 0 0 = 1 1 1 1 0 = 1 1 = 1 1 0 1 = 0 0 = = 1 1 1 1 1 =
–   Ax 0.82119+15
−15		(−113)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
−17
  
= 0 1 0 = 0 = 1 = 0 1 1 1 1 0 = = 1 1 0 1 1 1 1 = = = 1 1 = = 1
–   Gerbil 02 64-bit JA2118+18
−18		(−114)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
−68
51.4%
2588
1.29
1330
0 0 0 = 1 1 1 0 = 1 0 1 1 1 0 0 1 = 0 1 1 1 0 1 = 1 0 = 1 = 0 1
–   RDChess 3.232117+16
−16		(−115)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
+66
55.5%
1927
0.73
1070
1 1 0 1 1 1 0 = 0 0 1 1 = 1 1 1 = 1 = 1 1 1 = = 1 = 1 1 1 = 1 1
1216 games in total: 433 wins, 464 losses, 319 draws (26.2%), score: 48.7%
Average opponent: +9.0 (2241), average distance to opponent: 67.7

Performance

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

Perf = C + 0.086 [±0.246] * 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