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

Options
Show each game results
Arion 1.7 UCI#85  (2415+16
−16
)Quote
Author: Gabriel Guillory (France) Released: 2006-03-07Link: Homepage
This engine is stable and runs without issues.
This is the only Arion version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Nejmet 3.072521+16
−16
(+106)5.5 − 18.5
(+1−14=9)
22.9%
5.5 / 24
0.0%
−72
62.0%
1378
0.79
854
0 0 = 0 = = 0 0 = = = 0 0 = 0 0 0 = 0 1 0 0 0 =
–   Snitch 1.6.2 32-bit2521+15
−15
(+106)9.5 − 17.5
(+5−13=9)
35.2%
9.5 / 27
0.0%
+8
59.8%
1799
0.65
1075
0 0 = 0 = 0 0 = = 0 0 1 1 1 = = 0 0 0 0 = 1 0 = 1 = 0
–   Amy 0.8.7b DC2500+17
−17
(+85)12 − 15
(+10−13=4)
44.4%
12.0 / 27
0.0%
+43
60.4%
2386
0.67
1440
1 0 0 0 = 0 1 1 1 1 1 0 = 0 = 0 0 1 0 1 0 0 1 0 1 0 =
–   KnightDreamer 3.32499+16
−16
(+84)7 − 16
(+4−13=6)
30.4%
7.0 / 23
0.0%
−49
59.4%
1615
0.64
960
0 = 0 1 0 0 0 0 0 0 0 0 = 1 1 = 0 1 0 = = 0 =
–   Francesca MAD 0.13 Nobook2493+19
−19
(+78)5.5 − 13.5
(+3−11=5)
28.9%
5.5 / 19
0.0%
−68
65.9%
1346
0.89
887
0 = 1 0 0 0 0 1 = = 0 0 0 = 0 1 0 = 0
–   Leila 0.53h2490+17
−17
(+75)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
0.0%
+7
61.0%
1807
0.66
1102
0 0 0 0 1 1 1 1 = 1 0 0 0 = 1 0 = = 1 = 0 0 0
–   Diablo 0.5.1 JA2482+16
−16
(+67)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
0.0%
+118
60.7%
1968
0.52
1194
= = = 0 = 0 1 1 = = 1 = 1 0 1 0 1 0 0 1 = 1 1 = 0 1 1 1 0 1 = =
–   PostModernist 10162480+16
−16
(+65)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+98
64.7%
2547
0.64
1647
1 1 0 1 0 0 = 0 = 1 1 = 1 0 1 0 = 1 1 = = 0 0 1 1 1 0 0 1 1 0 =
–   Djinn 0.925x2479+16
−16
(+64)7.5 − 20.5
(+4−17=7)
26.8%
7.5 / 28
0.0%
−101
61.0%
1838
0.54
1121
0 = 1 1 0 0 0 = 0 0 0 = = 0 0 0 = = = 0 0 1 1 0 0 0 0 0
–   Comet B682478+14
−14
(+63)7.5 − 19.5
(+4−16=7)
27.8%
7.5 / 27
0.0%
−94
61.0%
1827
0.99
1115
= 0 0 = = 0 0 = 0 = 1 0 1 0 0 0 0 0 0 0 0 0 = = 1 0 1
–   Sjeng 12.132475+14
−14
(+60)11.5 − 14.5
(+7−10=9)
44.2%
11.5 / 26
0.0%
+21
60.1%
1577
0.71
948
1 = 0 = 0 = 1 = 1 0 1 0 0 = 1 = 1 1 0 = = 0 = 0 0 0
–   Muse 0.899b2474+16
−16
(+59)10 − 12
(+7−9=6)
45.5%
10.0 / 22
0.0%
+33
56.0%
1510
0.94
845
= 1 0 = 0 0 1 0 0 1 0 1 0 = 1 1 = 1 0 = = 0
–   Queen 4.032466+17
−17
(+51)11.5 − 20.5
(+6−15=11)
35.9%
11.5 / 32
0.0%
−41
59.9%
2108
0.69
1263
= 0 0 = 1 1 0 0 0 1 0 = = 0 0 = = 0 0 = 1 1 0 = 0 1 = = 0 0 = 0
–   The Crazy Bishop 00522460+15
−15
(+45)8 − 17
(+5−14=6)
32.0%
8.0 / 25
0.0%
−80
57.5%
2288
0.42
1316
0 = 0 = 0 1 0 1 1 0 0 0 0 = 1 0 = = 1 = 0 0 0 0 0
–   Patzer 3.802460+16
−16
(+45)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+14
56.3%
2095
1.20
1180
1 0 1 1 0 = 0 = 1 1 0 = 1 0 = 1 0 0 0 0 = = 0 1 = = = 0 = 1 = 0
–   Der Bringer 1.92455+15
−15
(+40)9.5 − 15.5
(+5−11=9)
38.0%
9.5 / 25
0.0%
−37
63.7%
1839
0.60
1171
1 1 0 0 0 0 1 = = = 1 0 0 0 0 1 0 0 = = = = = 0 =
–   Gosu 0.162455+16
−16
(+40)17 − 15
(+13−11=8)
53.1%
17.0 / 32
0.0%
+59
58.8%
2702
0.72
1590
1 1 = 0 1 0 1 1 = 1 0 0 0 1 = = 1 = 0 1 = 0 = 1 0 = 0 1 0 1 1 0
–   Phalanx XXII Reborn JA2452+15
−15
(+37)7.5 − 17.5
(+5−15=5)
30.0%
7.5 / 25
0.0%
−115
58.9%
1782
0.74
1050
1 0 0 = 0 0 = 1 1 0 = 0 0 0 1 0 0 1 0 0 0 = 0 0 =
–   Homer 2.012452+17
−17
(+37)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
−25
60.5%
1498
0.96
906
0 0 0 = = = = = 1 0 0 1 0 1 0 0 1 = 0 0 0 = 0 1 1 0 1 = = = = =
–   Betsy 6.51 Nobook2450+15
−15
(+35)18 − 11
(+12−5=12)
62.1%
18.0 / 29
0.0%
+110
64.1%
1927
0.56
1236
1 = 1 1 1 = = = = 1 1 = 1 1 = = 1 = 1 1 1 0 0 = 0 = = 0 0
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16
(+33)15 − 17
(+11−13=8)
46.9%
15.0 / 32
0.1%
+7
59.2%
2507
0.84
1483
0 0 1 0 1 0 = 0 1 1 = 1 0 1 = = 0 1 = 1 0 0 0 0 = 1 = 0 = 1 1 0
–   Amateur 2.822446+15
−15
(+31)10 − 17
(+5−12=10)
37.0%
10.0 / 27
0.2%
−56
57.6%
1445
1.40
832
0 = 1 0 0 = 1 = 0 1 0 = = = 0 = 1 = = 1 0 0 = 0 0 0 0
–   Tytan 9.32 64-bit2429+17
−17
(+14)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
11.2%
−35
  
0 1 0 = 0 0 = 0 = = 0 1 1 0 = = 1 0 = = = 0 = 0 = 1 0 0 0 1 1 1
–   Sage 3.532424+19
−19
(+9)19 − 13
(+14−8=10)
59.4%
19.0 / 32
21.2%
+72
57.2%
2176
1.13
1244
0 = 0 1 1 0 1 1 1 = 1 = = 1 = 1 0 0 = 1 1 = 0 0 = = 1 0 = 1 1 1
–   Sorgenkind 0.42421+18
−18
(+6)15 − 17
(+12−14=6)
46.9%
15.0 / 32
30.7%
−17
56.0%
2555
1.08
1432
1 0 1 = 1 1 = 0 = 1 0 1 0 0 0 0 0 0 1 = = 0 1 0 1 0 1 = 1 1 0 0
–   Horizon 4.42419+18
−18
(+4)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
36.3%
−25
55.5%
1902
1.46
1055
0 = = 0 = 0 = 1 = 1 0 1 0 0 0 1 = 1 0 1 = 0 0 = 1 = 1 0 1 = = 0
–   Thor's Hammer 2.28 32-bit2417+15
−15
(+2)16 − 14
(+13−11=6)
53.3%
16.0 / 30
41.4%
+25
60.7%
2294
0.92
1393
1 0 0 = = 0 1 = = 1 = 1 0 1 1 0 0 1 1 = 1 0 0 0 1 1 1 0 0 1
–   AICE 0.99.22411+16
−16
(−4)16 − 16
(+9−9=14)
50.0%
16.0 / 32
63.0%
−4
57.7%
1554
0.83
896
= = = = 0 0 0 0 = 1 = = 1 = 1 = 1 = = 1 0 = 0 1 1 = = 0 1 0 1 0
–   Chezzz 1.0.32409+15
−15
(−6)10.5 − 13.5
(+9−12=3)
43.8%
10.5 / 24
71.1%
−56
59.0%
1814
0.63
1071
0 = 1 1 1 0 1 0 0 1 1 0 0 1 0 = = 1 0 0 1 0 0 0
–   Asterisk 0.62402+17
−17
(−13)15 − 17
(+10−12=10)
46.9%
15.0 / 32
87.4%
−34
61.0%
2493
0.63
1520
= 1 0 0 0 1 0 1 = 0 = 1 1 1 = = 1 0 = 0 0 0 = = 1 = 1 0 0 0 1 =
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(−13)14.5 − 7.5
(+13−6=3)
65.9%
14.5 / 22
87.0%
+114
60.9%
2085
0.45
1269
1 1 0 0 1 1 1 1 0 1 1 0 = = = 1 1 1 1 1 0 0
–   Averno 0.812396+15
−15
(−19)13 − 15
(+10−12=6)
46.4%
13.0 / 28
96.1%
−46
58.6%
2053
0.62
1204
1 0 1 0 = 1 = 1 0 0 1 = = 0 0 0 1 0 1 0 1 1 = 0 0 0 = 1
–   Scidlet 3.61 64-bit JA2390+15
−15
(−25)11.5 − 10.5
(+10−9=3)
52.3%
11.5 / 22
98.9%
−9
61.5%
2245
0.66
1380
0 0 1 = 1 1 1 0 1 0 0 0 0 = 1 1 1 1 0 = 1 0
–   KnightX 1.922385+15
−15
(−30)13.5 − 12.5
(+11−10=5)
51.9%
13.5 / 26
99.7%
−15
61.3%
1805
0.59
1107
1 1 = 1 1 0 0 0 0 0 1 1 1 = = 0 = = 0 1 1 1 0 1 0 0
–   Eeyore 1.482384+15
−15
(−31)14.5 − 9.5
(+11−6=7)
60.4%
14.5 / 24
99.8%
+38
62.2%
1404
0.60
873
= 1 0 = 0 0 1 = = 1 1 = 1 1 0 1 1 1 0 0 = 1 1 =
–   Ayito 0.2.9942371+16
−16
(−44)18 − 13
(+15−10=6)
58.1%
18.0 / 31
100.0%
+17
60.1%
2442
0.79
1467
0 = 1 0 1 0 0 0 1 1 1 1 = 1 = 1 1 0 1 = 0 0 1 1 = 1 0 1 = 0 1
–   Matilde 2008 64-bit2368+15
−15
(−47)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
+8
62.9%
2046
0.70
1286
0 1 = 0 1 0 1 0 1 1 1 0 = = 1 0 1 0 = 0 0 1 1 = 1 = 1 1 = 0 1 1
–   Natwarlal 0.142359+17
−17
(−56)18 − 14
(+13−9=10)
56.3%
18.0 / 32
100.0%
−11
59.9%
2542
0.86
1522
= = 1 1 1 1 = 1 0 0 0 1 0 = 0 = 0 1 1 1 0 = 1 = 0 = 1 0 1 = = 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(−60)16.5 − 10.5
(+12−6=9)
61.1%
16.5 / 27
100.0%
+16
60.0%
1734
0.67
1041
= = 1 1 1 0 0 = 1 1 = 1 = 0 = = 1 0 0 = = 1 1 0 1 1 1
–   Zeus 1.292346+16
−16
(−69)15 − 17
(+11−13=8)
46.9%
15.0 / 32
100.0%
−92
63.8%
2320
0.80
1479
0 0 0 0 1 = = 1 1 1 1 1 0 = 0 0 = = 0 1 = 1 1 0 = 1 0 0 0 0 = 1
–   Esc 1.162345+15
−15
(−70)13.5 − 9.5
(+12−8=3)
58.7%
13.5 / 23
100.0%
+3
62.7%
1730
0.65
1085
0 0 1 1 = 0 0 1 1 = 0 1 1 0 0 0 1 1 = 1 1 1 1
–   Popochin 3.22341+19
−19
(−74)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
+48
64.2%
1907
0.50
1225
1 0 1 1 = = = = 1 = 1 1 = 1 = 0 1 = 0 1 = 1 = 1 = 1 0 1 1 1 1 =
–   ANT 2006-F2333+16
−16
(−82)17 − 10
(+15−8=4)
63.0%
17.0 / 27
100.0%
+22
58.8%
2337
0.45
1375
= 0 1 = 1 1 1 1 1 0 1 0 1 0 = 1 0 1 1 1 0 1 1 = 0 0 1
–   Anechka 0.082320+16
−16
(−95)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
+40
62.0%
2219
0.51
1375
1 1 = = 0 1 = 1 = = = 1 = 1 1 0 0 1 1 = 1 = 1 = 1 1 1 0 1 1 1 =
–   Dorky 3.482308+16
−16
(−107)20 − 9
(+15−4=10)
69.0%
20.0 / 29
100.0%
+19
60.2%
1782
0.82
1072
= = 1 = = 1 1 1 0 = = 0 1 1 1 = = 1 1 1 1 1 0 = = 1 1 0 1
–   CyberPagno 2.1 32MB2295+16
−16
(−120)18.5 − 5.5
(+15−2=7)
77.1%
18.5 / 24
100.0%
+70
64.7%
1604
0.55
1037
1 1 1 0 0 1 1 = = 1 1 1 1 1 = = = 1 1 = 1 1 1 =
–   Latista (Sinobyl) 1.52289+16
−16
(−126)16 − 13
(+13−10=6)
55.2%
16.0 / 29
100.0%
−86
58.3%
2269
0.61
1323
= = 0 0 1 0 0 0 1 = = 1 = 0 1 1 1 1 0 = 1 1 0 0 1 0 1 1 1
–   Madeleine 0.22285+15
−15
(−130)21 − 10
(+17−6=8)
67.7%
21.0 / 31
100.0%
−2
61.3%
2006
0.63
1230
1 0 1 1 1 = 1 1 1 1 1 = 1 = 1 = = 0 1 1 1 = 1 0 1 0 0 0 = = 1
–   Chispa 4.0.32273+14
−14
(−142)16.5 − 9.5
(+11−4=11)
63.5%
16.5 / 26
100.0%
−60
59.6%
1558
0.72
928
1 0 = = = = 1 = = 1 = 1 1 = 0 0 1 1 1 0 1 = = = 1 1
–   Atlas 2.202271+17
−17
(−144)22 − 5
(+19−2=6)
81.5%
22.0 / 27
100.0%
+95
  
1 = 1 1 1 = 1 = 1 0 0 1 1 1 1 = = 1 1 1 1 1 1 1 1 = 1
–   Genesis 2.02247+16
−16
(−168)21 − 6
(+19−4=4)
77.8%
21.0 / 27
100.0%
+51
63.7%
2030
0.59
1294
1 1 1 1 0 1 0 1 1 = 1 1 1 1 1 1 = 1 1 = 1 1 0 1 = 0 1
–   InmiChess 3.06N2241+15
−15
(−174)21.5 − 6.5
(+17−2=9)
76.8%
21.5 / 28
100.0%
+12
60.2%
1645
0.78
990
1 = 1 1 0 = 1 1 1 1 1 1 = 1 1 0 = 1 = 1 1 = 1 = = 1 1 =

Performance

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

Perf = C − 0.120 [±0.212] * 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