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
BigLion 2.23x UCI#132–133  (2117+17
−17		)Quote
Author: Matthias Gemuh (Cameroon) Released: 2007-10-04Link: Homepage
This engine is stable and runs without issues.
This is the only BigLion version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Lime 662241+18
−18		(+124)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
+19
51.6%
1958
0.63
1010
1 0 0 = 1 1 = 0 0 = 0 0 = 0 = 0 = 0 = 0 1 = 0 0 0 1 0 = 0 0 = 1
–   InmiChess 3.06N2241+15
−15		(+124)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
+55
53.4%
1447
0.82
773
= 0 0 1 = 0 = = 1 0 = 0 = = 1 0 1 = 0 = 0 0 0 = = = 0 0 1 1 0 =
–   Nesik 0.7.0 alpha2237+16
−16		(+120)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
0
52.8%
2197
0.71
1161
0 0 0 1 0 0 0 0 0 0 1 = 1 = = 0 0 1 0 1 0 0 = = 1 0 = = = = 0 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(+115)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+56
53.4%
2080
0.82
1111
= 0 = 0 = = 0 0 = 1 1 0 0 0 0 0 0 0 1 1 1 0 1 1 1 0 0 = = 1 0 1
–   Alarm 0.93.12226+16
−16		(+109)9 − 23
(+5−19=8)
28.1%
9.0 / 32
0.0%
−46
56.5%
2101
1.17
1188
= = 1 0 0 0 0 0 = = 0 = 0 0 = 1 0 1 0 1 0 0 = 0 0 1 0 0 0 0 0 =
–   Fortress 1.622216+15
−15		(+99)8.5 − 23.5
(+6−21=5)
26.6%
8.5 / 32
0.0%
−85
53.7%
2414
0.98
1297
0 0 0 = 0 0 0 0 1 0 0 = 0 = 0 0 0 1 0 1 0 1 1 0 0 1 0 0 0 = 0 =
–   WJChess 1.642215+16
−16		(+98)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−10
52.7%
2460
0.88
1297
= 0 1 0 0 0 1 0 0 1 0 0 0 = = 0 1 1 0 1 0 0 0 1 0 0 1 0 = = 1 0
–   Gk 0.90 64-bit JA2194+16
−16		(+77)12.5 − 19.5
(+11−18=3)
39.1%
12.5 / 32
0.0%
−11
49.0%
2928
0.68
1434
0 0 1 1 0 0 1 0 0 = 0 0 = 0 1 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 = 0
–   Alf 1.09 JA2193+17
−17		(+76)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−66
53.8%
2271
0.63
1222
0 1 0 1 = 0 0 1 0 0 = 1 0 0 0 0 1 0 = 0 0 0 1 = 0 = = 1 0 0 0 0
–   Clarabit 1.00 64-bit2193+18
−18		(+76)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+45
51.0%
2088
0.73
1065
1 = 0 1 0 1 0 0 = 1 0 0 = = = 1 1 0 = 0 0 1 1 1 = 0 = = 0 1 0 0
–   Ghost 0.142189+17
−17		(+72)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
−42
52.4%
2499
0.98
1310
0 1 0 0 0 = 1 0 0 1 = 0 = 0 1 1 1 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0
–   Wing 2.0a2179+16
−16		(+62)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
−16
52.9%
2213
0.89
1170
0 = 0 1 1 0 1 0 1 0 0 0 1 0 = = = 0 0 = 0 1 1 0 = 0 0 = 0 1 1 0
–   Uragano 3D 0.872174+16
−16		(+57)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+21
52.8%
2216
0.61
1169
0 0 1 = 0 0 0 0 0 0 1 1 0 0 0 = 1 0 = 1 0 1 1 0 1 1 = = 1 1 1 0
–   Parrot 0707222161+17
−17		(+44)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+9
50.1%
2190
0.97
1098
0 1 1 = 0 1 0 1 0 0 = 1 0 0 1 0 0 0 1 1 0 = 0 = = 0 1 0 = 1 = 1
–   Matheus 2.32144+15
−15		(+27)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.7%
+27
55.9%
2426
0.61
1355
1 0 0 1 = 1 0 0 0 1 1 0 = 1 0 1 1 = = = 0 1 0 0 0 1 1 0 1 0 1 =
–   Bodo 0.2b2137+15
−15		(+20)13 − 19
(+10−16=6)
40.6%
13.0 / 32
3.6%
−51
50.8%
1969
0.58
1001
0 0 1 0 0 0 0 0 0 1 1 0 = = = 1 1 1 0 1 0 1 = = 1 0 = 0 0 1 0 0
–   Monarch 1.72131+16
−16		(+14)15 − 17
(+10−12=10)
46.9%
15.0 / 32
9.9%
−3
50.6%
1941
0.65
983
1 1 0 0 = 1 1 0 0 = 0 0 1 0 1 = 0 = 1 = = = 0 1 0 = 0 1 1 = 0 =
–   Bestia 0.902122+15
−15		(+5)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
32.3%
−31
53.7%
2369
0.74
1272
1 1 0 1 0 1 1 = 0 0 1 0 1 0 1 = 0 0 = 0 1 1 0 0 = 1 1 0 0 = 0 0
–   Ax 0.82119+15
−15		(+2)14 − 18
(+12−16=4)
43.8%
14.0 / 32
41.8%
−46
  
0 1 0 0 1 0 1 0 1 0 = 0 1 1 0 0 = 1 1 = 0 0 0 1 0 = 1 0 1 0 1 0
–   Gerbil 02 64-bit JA2118+18
−18		(+1)17 − 15
(+15−13=4)
53.1%
17.0 / 32
45.1%
+25
50.5%
2818
0.64
1424
1 0 1 0 1 1 0 1 0 0 = 0 0 1 0 0 1 = 0 1 0 1 1 1 0 1 0 = 1 1 = 1
–   RDChess 3.232117+16
−16		(0)14 − 18
(+12−16=4)
43.8%
14.0 / 32
47.7%
−48
53.8%
2903
0.96
1563
1 0 0 = 1 0 1 0 = 0 0 0 1 1 1 1 1 0 0 1 0 0 1 0 1 1 0 0 0 0 = =
–   DelphiMax 2.92102+16
−16		(−15)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
90.6%
−1
54.0%
2989
0.62
1614
1 0 0 1 0 1 1 0 1 0 0 1 1 = 0 0 1 1 0 1 0 0 1 1 1 0 = 1 1 = 0 0
–   Armageddon 2.3082098+17
−17		(−19)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
94.9%
−72
54.4%
2048
0.77
1115
1 = 0 1 0 = 1 0 = 1 0 0 1 = 0 0 0 = 0 = = 0 1 0 = 1 = 0 0 1 0 1
–   Requiem 0.532084+15
−15		(−33)16.5 − 15.5
(+9−8=15)
51.6%
16.5 / 32
99.9%
−24
52.1%
1320
0.60
688
= 0 = = 1 0 = = = 1 1 0 1 = 1 = 1 = 1 = 0 0 = = = 1 1 0 0 0 = =
–   Small Potato 0.6.12082+16
−16		(−35)20 − 12
(+17−9=6)
62.5%
20.0 / 32
99.9%
+60
53.8%
2228
0.65
1198
1 = 1 = 1 1 1 = 0 0 1 1 = = 1 = 0 0 0 1 1 1 1 1 0 1 1 0 0 0 1 1
–   Elephant 1.062075+16
−16		(−42)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−17
51.2%
2379
0.78
1217
0 = 0 1 = = 1 0 0 1 0 = 1 0 1 1 1 1 1 1 0 0 1 0 1 = 1 0 0 0 = 1
–   La Dame Blanche 2.0c2070+19
−19		(−47)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
100.0%
−37
51.0%
1796
1.24
916
= 0 0 = 0 0 0 0 0 1 = 1 1 = 1 = 0 1 1 1 1 0 1 1 1 0 1 = 0 = 1 0
–   Cilian 4.142069+16
−16		(−48)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
100.0%
−59
  
1 = = 0 0 1 1 = 0 0 1 0 1 1 = 0 = 1 0 0 = = 1 0 0 0 1 1 1 0 = =
–   Etude 0.1.22063+19
−19		(−54)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
+22
53.9%
2207
0.56
1190
1 1 1 = = = 1 1 1 0 = 1 0 = 1 1 1 0 = = 0 1 1 = 1 0 1 0 1 0 0 =
–   Gullydeckel 2.16pl12062+19
−19		(−55)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
+8
51.4%
2765
0.58
1422
1 1 = 0 1 1 0 1 0 1 1 0 0 1 0 0 = 0 1 = 0 1 1 1 1 1 0 0 0 1 1 1
–   JanWillem 1.132062+16
−16		(−55)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+77
51.5%
2674
0.92
1376
= = 0 1 = 1 1 1 0 1 0 1 = 1 1 1 1 0 1 1 1 1 0 0 0 1 1 1 0 = 1 1
–   Marvin 1.3.02054+16
−16		(−63)20.5 − 11.5
(+14−5=13)
64.1%
20.5 / 32
100.0%
+25
53.1%
1872
0.60
994
= 0 = 1 = = 1 1 1 = 1 1 0 1 = = 1 1 1 0 = 1 0 1 = = = = 1 = 1 0
–   Matant 5.042053+17
−17		(−64)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
0
51.0%
1782
0.70
909
1 = 1 1 = 0 1 0 1 0 = = 1 0 0 1 1 0 1 0 1 0 = 1 = 0 1 = = 1 1 1
–   SSEChessII 2.05 DC2049+17
−17		(−68)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+73
49.5%
2590
0.87
1281
= = 0 0 1 = 0 1 1 1 1 1 0 1 = = 1 1 0 1 1 1 0 1 1 0 = 1 1 1 1 1
–   Faile 1.4.42042+15
−15		(−75)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+57
53.4%
2493
0.53
1331
1 0 0 1 1 1 1 1 1 1 = 1 1 1 0 = 1 0 1 0 0 1 1 1 = = = 1 0 1 0 1
–   Smash 1.0.32036+17
−17		(−81)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−45
53.1%
2331
0.68
1237
= = 0 1 1 0 1 1 0 1 1 1 0 1 0 1 0 1 1 0 = 0 = = 0 1 0 1 1 1 0 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(−89)20 − 12
(+18−10=4)
62.5%
20.0 / 32
100.0%
+11
74.8%
2691
0.74
2013
1 0 = 1 1 1 = 1 0 = 1 1 1 0 1 1 1 1 1 1 = 1 0 1 0 0 0 1 0 0 1 0
–   Sharper 0.172022+16
−16		(−95)20.5 − 11.5
(+19−10=3)
64.1%
20.5 / 32
100.0%
+18
52.2%
2766
0.69
1444
0 1 1 1 1 1 = 0 1 1 1 0 = 0 0 0 1 0 1 0 0 1 1 1 1 1 1 1 1 = 0 1
–   Mustang 4.972021+17
−17		(−96)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
+3
52.9%
1456
0.73
770
1 = 1 1 0 1 = = 1 = = 1 = = 1 1 = = 0 = 1 = 1 0 = 1 1 1 0 1 0 1
–   Rival UCI 1.182021+17
−17		(−96)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
−12
51.8%
2685
0.64
1392
0 = 0 0 0 1 1 1 0 1 1 0 = 1 0 1 0 1 = 1 0 0 1 = = 1 1 1 1 1 1 1
–   BibiChess 0.52007+16
−16		(−110)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+38
  
1 1 1 = 1 = = 0 1 1 1 0 1 0 = 1 1 0 0 1 = 0 1 1 1 1 = 1 1 1 1 =
–   IACH 0.56z1995+18
−18		(−122)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+2
63.5%
2427
1.05
1541
0 1 0 = 1 = 1 0 1 0 = 1 1 1 1 0 1 = 0 1 1 1 1 0 1 1 1 0 1 0 1 1
–   Clueless 1.41990+18
−18		(−127)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
+30
49.6%
2550
0.84
1265
1 = = 1 = 1 0 0 1 1 1 1 0 1 1 1 1 1 = 1 0 1 = 1 0 1 0 1 1 1 0 1
–   Warrior 1.0.31987+17
−17		(−130)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
+26
51.2%
2862
0.76
1464
= 0 1 1 = 1 1 0 1 1 1 0 1 1 1 1 1 1 = 1 1 0 1 = 0 = 1 0 1 1 0 1
1408 games in total: 570 wins, 548 losses, 290 draws (20.6%), score: 50.8%
Average opponent: −6.8 (2110.2), average distance to opponent: 66.8

Performance

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

Perf = C − 0.098 [±0.155] * 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