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
Lime 66 UCI#111–112  (2241+18
−18		)Quote
Author: Richard Allbert (United Kingdom) Released: 2008-07-27Link: Homepage
Issues with this engine: Occasional losses on time.
This is the only Lime version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Ayito 0.2.9942371+16
−16		(+130)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−10
54.6%
2408
0.73
1315
= 0 0 = 1 0 1 0 0 0 0 0 = 0 1 0 0 0 1 0 1 0 0 1 0 0 0 1 0 = = =
–   Matilde 2008 64-bit2368+15
−15		(+127)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+19
58.1%
2553
0.68
1483
0 0 0 1 0 = = = 0 0 0 1 1 1 0 0 0 0 0 1 0 0 1 = 1 0 0 0 1 0 = 1
–   Natwarlal 0.142359+17
−17		(+118)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−32
54.7%
2166
1.04
1185
0 0 0 0 0 1 = 0 0 1 1 = 0 1 0 1 1 0 0 0 = 0 0 = = 0 = = 0 0 0 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+114)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−34
52.9%
2762
0.95
1461
0 0 0 1 1 0 1 0 0 0 1 0 0 1 0 0 0 1 0 = 0 0 1 0 1 0 0 0 = = 0 =
–   Zeus 1.292346+16
−16		(+105)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+69
55.6%
2690
0.75
1496
1 1 0 1 0 1 0 0 = = 0 1 0 1 0 = 0 1 0 1 0 1 = 1 0 = 0 0 1 0 0 1
–   Esc 1.162345+15
−15		(+104)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−60
50.3%
2483
0.89
1249
= 1 0 0 0 0 0 = 1 0 0 = 0 = 0 0 0 0 0 0 = 0 = = 0 1 0 = 0 1 = 0
–   Popochin 3.22341+19
−19		(+100)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
+5
54.6%
2813
0.76
1537
0 = = 0 1 0 1 0 0 0 1 1 1 = 0 = 0 1 0 0 1 = 0 0 0 0 0 0 0 1 = 1
–   ANT 2006-F2333+16
−16		(+92)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−31
53.7%
2597
0.84
1394
1 0 = 1 1 = 1 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 = 0 1 1 0 0 0 0 0 =
–   Anechka 0.082320+16
−16		(+79)17 − 15
(+15−13=4)
53.1%
17.0 / 32
0.0%
+104
50.2%
2976
0.89
1494
0 0 1 = 1 1 1 0 0 0 1 0 0 1 = 1 1 1 0 = 1 0 0 0 1 1 1 1 0 0 1 =
–   Dorky 3.482308+16
−16		(+67)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
−6
52.7%
2702
1.20
1424
0 0 1 0 0 1 0 0 0 0 1 0 = 0 0 1 0 = 1 1 0 0 0 0 1 1 = = 1 1 1 0
–   CyberPagno 2.1 32MB2295+16
−16		(+54)17 − 15
(+16−14=2)
53.1%
17.0 / 32
0.0%
+81
53.4%
3540
0.65
1891
1 1 1 0 1 0 1 1 = 0 1 0 0 0 1 0 1 0 1 0 = 0 1 1 0 1 0 1 1 0 1 0
–   Latista (Sinobyl) 1.52289+16
−16		(+48)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
−11
54.6%
2900
0.73
1582
= 0 1 0 0 1 1 0 0 = 1 0 1 0 = = 0 1 0 1 0 = 1 0 0 1 0 0 1 1 0 0
–   Madeleine 0.22285+15
−15		(+44)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−75
56.5%
1961
0.84
1107
0 0 0 = 0 = 0 1 0 1 = = 0 = 0 0 0 0 0 1 = 0 = 0 = 0 0 = 1 1 0 1
–   Chispa 4.0.32273+14
−14		(+32)18.5 − 13.5
(+11−6=15)
57.8%
18.5 / 32
0.2%
+79
54.1%
1592
0.82
862
1 = 1 = 0 1 = 1 = 0 0 0 1 = = 0 1 = 1 = = 1 = 1 1 = = = 1 = = 0
–   Uralochka 1.1b2272+18
−18		(+31)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.7%
+6
52.9%
2705
0.89
1431
0 1 = 1 1 1 0 1 = = 0 1 1 1 0 0 0 = 0 0 0 = 0 0 1 1 0 1 1 = 0 0
–   Atlas 2.202271+17
−17		(+30)16 − 16
(+14−14=4)
50.0%
16.0 / 32
0.7%
+30
  
0 1 0 0 0 1 = 0 0 0 0 1 1 = = 0 0 1 0 = 1 0 1 1 1 0 1 1 1 1 0 1
–   Genesis 2.02247+16
−16		(+6)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
32.5%
+69
53.9%
2953
0.90
1591
1 0 1 = 0 0 0 0 1 0 1 1 1 1 1 1 1 1 0 0 0 1 = 1 1 0 0 0 1 = 1 1
–   InmiChess 3.06N2241+15
−15		(0)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
50.3%
+32
58.1%
1929
0.86
1120
= 1 1 1 0 1 0 0 0 1 = 1 1 0 = 1 1 0 0 = 1 0 = 0 0 = 1 1 = 1 1 0
–   Nesik 0.7.0 alpha2237+16
−16		(−4)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
65.7%
−82
55.4%
2671
0.95
1480
0 1 0 0 0 0 = 0 1 0 = 0 = 1 0 0 1 = 1 0 0 = 0 = = 1 0 1 0 1 0 1
–   NagaSkaki 5.122232+18
−18		(−9)19 − 13
(+15−9=8)
59.4%
19.0 / 32
78.2%
+57
53.9%
2654
1.00
1431
1 0 0 1 0 = 0 1 = 1 1 = 1 1 0 = 1 1 1 1 1 0 = 0 = = 0 1 1 = 0 1
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−9)14 − 18
(+11−15=6)
43.8%
14.0 / 32
79.4%
−56
52.5%
2298
0.82
1206
1 0 1 1 = = 0 1 = 0 1 0 0 0 0 0 0 0 = 0 1 1 = 0 0 1 1 0 0 = 1 1
–   Alarm 0.93.12226+16
−16		(−15)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
91.1%
−25
56.3%
2274
1.05
1281
0 0 1 0 = 1 1 0 1 = = 0 1 1 0 0 0 0 1 1 1 = 1 1 = 0 0 1 0 = 0 =
–   Fortress 1.622216+15
−15		(−25)17 − 15
(+13−11=8)
53.1%
17.0 / 32
98.8%
−4
50.7%
2251
0.99
1141
0 1 0 = = 1 = 0 = 0 1 0 = 0 1 1 1 1 1 0 1 = 1 0 = 1 0 = 1 0 1 0
–   WJChess 1.642215+16
−16		(−26)16 − 16
(+13−13=6)
50.0%
16.0 / 32
98.9%
−24
55.0%
2379
0.75
1309
0 1 1 0 0 0 0 0 0 1 0 1 0 1 = 1 1 1 0 0 = = 1 1 = 0 1 1 = = 0 1
–   Gk 0.90 64-bit JA2194+16
−16		(−47)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−60
49.9%
2450
0.87
1223
0 1 0 1 = 1 1 = 0 1 0 = 0 = 0 = 1 0 0 0 0 0 1 1 0 1 1 1 0 0 1 1
–   Alf 1.09 JA2193+17
−17		(−48)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
+7
55.8%
2386
0.61
1331
1 0 = 1 1 1 0 = 0 0 0 1 1 0 = 1 0 0 1 1 1 = 0 = 0 1 = 1 1 = 1 1
–   Clarabit 1.00 64-bit2193+18
−18		(−48)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−58
53.1%
2630
0.78
1397
1 = 1 0 0 1 1 1 0 1 = 0 0 0 1 0 = 1 = 1 0 1 0 0 1 0 0 1 = 0 1 0
–   Ghost 0.142189+17
−17		(−52)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+51
51.6%
2573
1.27
1327
1 = 1 = 1 0 1 1 1 0 1 0 0 1 = = 1 1 1 1 1 1 = 0 0 = 0 1 1 1 0 =
–   Wing 2.0a2179+16
−16		(−62)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+49
52.1%
2595
0.80
1353
0 1 1 = 1 0 0 1 0 1 1 1 0 1 1 = 0 1 0 = 1 = 1 0 1 1 1 = 0 1 1 1
–   Uragano 3D 0.872174+16
−16		(−67)17.5 − 14.5
(+16−13=3)
54.7%
17.5 / 32
100.0%
−28
53.7%
2575
0.83
1383
0 0 1 1 1 = 1 0 1 = 0 0 1 1 1 1 0 1 1 0 0 1 = 0 1 1 0 0 1 0 0 1
–   Parrot 0707222161+17
−17		(−80)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−6
51.8%
1896
0.84
983
1 = 1 = = = 1 0 0 1 = 1 0 0 1 = 1 1 1 = 1 = = 0 0 0 1 1 1 1 = =
–   Matheus 2.32144+15
−15		(−97)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−61
50.8%
2695
0.83
1370
= = 1 1 1 1 1 1 1 0 = 1 0 1 1 1 0 0 0 0 1 0 1 0 1 0 = 1 0 0 0 =
–   Bodo 0.2b2137+15
−15		(−104)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−19
55.6%
1539
0.61
855
0 = = 1 = 0 1 1 1 = 1 = 0 1 1 = = = 1 0 1 1 = 1 1 0 1 1 0 1 = 0
–   Monarch 1.72131+16
−16		(−110)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+22
49.3%
2845
1.20
1402
= 0 1 = 0 0 1 = 0 1 1 0 = 1 1 0 1 1 0 1 1 = 1 1 1 1 0 1 1 1 1 1
–   Bestia 0.902122+15
−15		(−119)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−15
54.2%
2343
0.71
1271
0 1 1 1 0 = 1 1 1 1 = = 0 1 1 1 = 1 = 1 0 0 1 1 1 = 0 0 1 0 1 =
–   Ax 0.82119+15
−15		(−122)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+17
  
= 1 1 1 1 1 0 1 1 = 1 0 = = 0 = 1 = 0 0 0 1 1 1 1 1 1 1 0 1 1 1
–   Gerbil 02 64-bit JA2118+18
−18		(−123)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−12
50.0%
2832
0.83
1416
1 0 1 1 1 0 1 = 1 1 0 1 1 0 1 1 1 1 1 = 0 = 1 1 0 1 1 = 0 0 0 =
–   BigLion 2.23x2117+17
−17		(−124)21 − 11
(+16−6=10)
65.6%
21.0 / 32
100.0%
−19
51.6%
1958
0.63
1010
0 1 1 = 0 0 = 1 1 = 1 1 = 1 = 1 = 1 = 1 0 = 1 1 1 0 1 = 1 1 = 0
–   RDChess 3.232117+16
−16		(−124)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+60
50.6%
2480
0.94
1256
1 1 1 0 = = 1 1 0 = 0 1 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 = 1 1 =
1248 games in total: 510 wins, 495 losses, 243 draws (19.5%), score: 50.6%
Average opponent: −3.4 (2237.6), average distance to opponent: 69.1

Performance

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

Perf = C + 0.038 [±0.185] * 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