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
Clarabit 1.00 64-bit UCI#120–121  (2193+18
−18		)Quote
Author: Salvador Pallares (Spain) Released: 2008-02-09Link: Homepage
This engine is stable and runs without issues.
This is the only Clarabit version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Esc 1.162345+15
−15		(+152)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
+31
52.5%
2303
0.74
1210
= 1 0 1 = = 0 0 0 0 0 = 0 0 0 = 0 1 0 0 = 0 0 0 = 1 = 0 1 1 0 =
–   ANT 2006-F2333+16
−16		(+140)9 − 23
(+7−21=4)
28.1%
9.0 / 32
0.0%
−35
48.8%
2844
0.80
1389
1 0 0 0 0 0 0 1 = 0 1 0 = = 0 1 1 0 1 = 0 0 0 0 0 0 0 0 0 1 0 0
–   Anechka 0.082320+16
−16		(+127)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−21
54.3%
2984
0.72
1619
0 0 0 0 1 0 1 = = 0 1 0 0 0 = 1 0 = 0 1 0 1 0 0 0 0 1 0 0 0 1 0
–   Dorky 3.482308+16
−16		(+115)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
−76
53.8%
2490
1.01
1340
1 0 = 0 0 1 0 0 0 = 0 0 1 = 0 0 0 = 0 = 0 1 = 0 0 0 0 0 0 1 0 0
–   CyberPagno 2.1 32MB2295+16
−16		(+102)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.0%
+127
55.6%
2744
0.83
1527
0 = 0 1 1 = 0 0 1 1 0 1 0 = 1 0 1 1 1 = 1 0 1 0 0 1 1 0 = = 1 0
–   Latista (Sinobyl) 1.52289+16
−16		(+96)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+59
51.3%
2414
0.79
1238
0 1 = = 0 1 1 0 1 1 0 0 1 1 = 0 0 0 1 1 0 0 0 0 0 0 1 1 1 0 = =
–   Madeleine 0.22285+15
−15		(+92)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+25
51.3%
2526
0.93
1296
1 0 = 0 0 = = = 0 1 1 1 0 1 0 0 1 0 = 0 0 = = 1 1 = 0 0 0 1 0 0
–   Chispa 4.0.32273+14
−14		(+80)14.5 − 17.5
(+5−8=19)
45.3%
14.5 / 32
0.0%
+54
51.1%
1365
1.03
698
= = 0 0 = 0 = = 0 = 0 = = 0 0 = = = = = 1 = = 0 = 1 1 = = = 1 1
–   Uralochka 1.1b2272+18
−18		(+79)12 − 20
(+7−15=10)
37.5%
12.0 / 32
0.0%
−6
49.8%
2489
0.87
1239
0 0 0 0 = 0 0 = = 1 0 0 1 = 0 = = 0 0 0 1 0 = 1 = 1 = = 0 1 1 0
–   Atlas 2.202271+17
−17		(+78)8 − 24
(+7−23=2)
25.0%
8.0 / 32
0.0%
−138
  
0 1 1 = 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 = 1 1 0 1 0 0 0 0 0 0
–   Genesis 2.02247+16
−16		(+54)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.0%
+30
54.6%
2723
0.74
1487
1 0 1 0 0 1 1 = 1 0 0 0 0 1 0 = 1 0 1 0 0 0 0 = 1 0 = 1 1 1 1 0
–   Lime 662241+18
−18		(+48)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
0.0%
+58
53.1%
2630
0.78
1397
0 = 0 1 1 0 0 0 1 0 = 1 1 1 0 1 = 0 = 0 1 0 1 1 0 1 1 0 = 1 0 1
–   InmiChess 3.06N2241+15
−15		(+48)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
−40
52.4%
2139
0.97
1121
= 1 0 1 = = 0 1 0 1 1 1 0 = = 0 0 0 0 = 0 = 0 1 0 1 0 0 0 0 0 =
–   Nesik 0.7.0 alpha2237+16
−16		(+44)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.0%
+68
50.3%
2919
0.87
1468
1 = 0 0 1 0 1 1 = = 0 0 1 0 1 1 1 1 = 0 0 0 0 1 1 1 = 1 = 0 1 0
–   NagaSkaki 5.122232+18
−18		(+39)17 − 15
(+11−9=12)
53.1%
17.0 / 32
0.1%
+59
54.3%
1802
0.80
979
0 0 = = 1 = 1 0 0 = = = 0 1 = 0 1 1 = 0 1 = 1 1 0 0 = = = 1 1 1
–   Sunsetter C10.3 64-bit JA2232+16
−16		(+39)16 − 16
(+12−12=8)
50.0%
16.0 / 32
0.0%
+40
55.2%
2325
0.85
1283
0 = = 1 1 1 0 1 = = 1 = 0 = 1 0 0 0 1 1 = 1 1 1 0 0 0 1 0 = 0 0
–   Alarm 0.93.12226+16
−16		(+33)15.5 − 16.5
(+14−15=3)
48.4%
15.5 / 32
0.2%
+18
54.3%
2804
1.17
1522
0 = 0 0 0 = 1 0 1 0 0 0 0 0 0 0 1 1 1 0 1 0 1 1 1 1 1 1 1 = 0 1
–   Fortress 1.622216+15
−15		(+23)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
2.4%
−128
53.0%
2194
0.91
1162
0 = 0 = 0 0 0 1 0 0 0 0 = = 1 0 0 = 0 0 0 1 0 = 1 0 0 1 1 = 0 0
–   WJChess 1.642215+16
−16		(+22)17 − 15
(+12−10=10)
53.1%
17.0 / 32
2.8%
+41
55.6%
2204
0.87
1226
1 1 0 1 0 0 = 0 = 1 1 0 1 = 1 = = = 1 = 1 1 = 0 = 0 0 1 0 1 = 0
–   Gk 0.90 64-bit JA2194+16
−16		(+1)17 − 15
(+11−9=12)
53.1%
17.0 / 32
45.1%
+20
49.2%
2098
0.91
1032
= 1 1 1 = = = 0 1 1 0 = = 1 0 0 = 0 = 1 1 = 0 0 = = 0 = 1 1 1 0
–   Alf 1.09 JA2193+17
−17		(0)14 − 18
(+10−14=8)
43.8%
14.0 / 32
48.6%
−45
51.6%
2712
0.70
1399
= 0 1 1 = 1 0 1 0 0 = 1 = = = 0 1 0 1 0 1 = 1 = 0 1 0 0 0 0 0 0
–   Ghost 0.142189+17
−17		(−4)17.5 − 14.5
(+16−13=3)
54.7%
17.5 / 32
64.4%
+34
52.1%
2632
1.18
1371
1 0 1 0 = 0 1 0 1 1 0 0 0 0 1 0 1 1 0 0 1 0 1 = 1 1 1 1 0 = 1 1
–   Wing 2.0a2179+16
−16		(−14)18 − 14
(+10−6=16)
56.3%
18.0 / 32
88.5%
+23
51.8%
1256
0.66
651
= 1 0 1 = = 1 = = = 1 = 1 = = = 1 = 1 0 = 1 = 0 0 = = 1 1 0 0 =
–   Uragano 3D 0.872174+16
−16		(−19)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
95.0%
−73
50.8%
2687
0.69
1365
0 1 1 1 0 = 0 = 1 0 0 = 0 0 1 0 0 0 1 = = 0 = 0 0 0 1 1 1 = 0 1
–   Parrot 0707222161+17
−17		(−32)16 − 16
(+13−13=6)
50.0%
16.0 / 32
99.6%
−30
48.2%
2594
1.27
1250
0 0 0 1 1 0 1 = = 0 1 1 0 1 0 1 0 = 1 1 1 = = 0 1 0 0 = 1 0 0 1
–   Matheus 2.32144+15
−15		(−49)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−14
53.2%
2936
0.70
1563
= 0 1 1 1 1 1 1 = = 1 = 0 0 0 = 0 0 1 1 0 1 0 1 0 1 = 0 0 = 1 1
–   Bodo 0.2b2137+15
−15		(−56)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+48
52.5%
1942
0.73
1019
= 0 1 0 1 0 = 1 1 1 = 1 1 1 = 1 1 1 0 1 0 1 = 1 1 1 0 0 0 1 = =
–   Monarch 1.72131+16
−16		(−62)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−31
52.2%
1951
1.34
1018
1 0 1 1 1 = = 0 1 1 0 0 = = 1 1 1 1 = 0 = 0 0 1 1 0 = 1 0 = = 0
–   Bestia 0.902122+15
−15		(−71)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−25
51.5%
2396
0.74
1233
1 1 0 1 1 = 0 0 = 0 = 1 1 1 = = 0 0 0 1 1 0 1 1 1 1 = = 1 0 = 0
–   Ax 0.82119+15
−15		(−74)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+57
  
= 1 1 1 1 1 1 0 0 1 1 1 1 = 1 0 = 1 = 0 0 1 1 = 1 1 1 0 0 0 1 1
–   Gerbil 02 64-bit JA2118+18
−18		(−75)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+36
50.5%
2823
0.93
1427
= = 1 1 0 1 1 0 1 1 1 1 1 = = 1 1 1 0 0 1 1 0 0 = = 0 = 1 1 = 1
–   BigLion 2.23x2117+17
−17		(−76)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−45
51.0%
2088
0.73
1065
0 = 1 0 1 0 1 1 = 0 1 1 = = = 0 0 1 = 1 1 0 0 0 = 1 = = 1 0 1 1
–   RDChess 3.232117+16
−16		(−76)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
−9
54.9%
2448
0.92
1343
1 0 0 0 1 1 = 1 = = 1 0 1 0 1 0 1 = 1 0 0 1 1 = 1 1 = = 1 1 = 0
–   DelphiMax 2.92102+16
−16		(−91)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
100.0%
−78
51.7%
3129
0.96
1617
1 0 1 0 1 0 0 1 0 1 1 1 0 0 1 0 0 1 1 = 1 = 1 0 0 0 0 1 = 1 1 0
–   Armageddon 2.3082098+17
−17		(−95)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+78
53.4%
2495
0.81
1332
1 1 1 1 = 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 0 = = = = 1 1 1 1 0 = =
–   Requiem 0.532084+15
−15		(−109)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
100.0%
−79
49.7%
1363
0.75
678
= = = 0 0 = = = 1 0 = = 1 1 0 1 0 0 1 0 = = 0 = 1 1 1 1 = 1 = 1
–   Small Potato 0.6.12082+16
−16		(−111)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+39
49.6%
2406
1.08
1193
1 = 0 1 1 1 = 1 1 1 = 1 0 1 = 1 1 0 1 1 0 = 1 1 1 1 1 = 0 = 1 0
–   Elephant 1.062075+16
−16		(−118)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−14
46.9%
2424
0.81
1138
= 1 0 0 1 1 0 1 = 1 = 1 0 = 1 1 0 = 1 1 1 0 1 1 1 1 = 1 0 1 = 0
–   Cilian 4.142069+16
−16		(−124)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−91
  
1 = = 1 1 = = = = = 1 = 0 1 0 1 0 1 0 1 0 1 0 = 1 0 = = 0 0 1 1
1248 games in total: 470 wins, 481 losses, 297 draws (23.8%), score: 49.6%
Average opponent: +4.0 (2197), average distance to opponent: 68.4

Performance

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

Perf = C + 0.116 [±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