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
Asterisk 0.6 UCI#88–89  (2402+17
−17		)Quote
Author: Peter Horvath (Hungary) Released: 2007-08-20Links: Homepage, Old homepage
This engine is stable and runs without issues.
This is the only Asterisk version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   PostModernist 10162480+16
−16		(+78)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
0.0%
+26
62.4%
1940
0.47
1210
1 1 0 0 1 0 0 0 = 0 0 0 = = = 1 1 1 0 = = = 0 = = 1 0 0 0 = 1 =
–   Djinn 0.925x2479+16
−16		(+77)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+46
55.1%
1962
0.67
1082
1 0 = 0 = = 0 1 1 1 0 = = 0 1 0 0 = 0 0 1 = 1 0 = = 1 0 = 1 0 =
–   Comet B682478+14
−14		(+76)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
+2
58.6%
2265
0.80
1327
0 0 0 1 1 0 0 1 = 1 0 1 1 0 0 0 1 = 1 0 1 = = 0 0 0 0 1 1 0 0 0
–   Sjeng 12.132475+14
−14		(+73)15 − 17
(+11−13=8)
46.9%
15.0 / 32
0.0%
+48
57.2%
1967
0.72
1126
0 1 0 1 0 1 1 = = 0 0 1 = 0 = 1 0 1 = 0 0 1 1 0 = = = 1 0 0 1 0
–   Muse 0.899b2474+16
−16		(+72)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
+3
51.0%
2232
0.70
1139
= = 0 0 = 1 = 0 0 = 1 0 = 0 0 0 = = 0 1 0 0 = = 0 1 1 0 = = 1 =
–   Queen 4.032466+17
−17		(+64)11.5 − 20.5
(+6−15=11)
35.9%
11.5 / 32
0.0%
−30
62.9%
2108
0.49
1325
0 0 1 = 0 0 = 0 = 1 = 0 = 0 = = 1 0 1 0 = 0 1 0 0 0 = = = 0 0 1
–   The Crazy Bishop 00522460+15
−15		(+58)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−76
55.4%
2425
0.42
1343
= 1 0 0 0 = 0 0 0 0 = = 1 0 0 = 0 0 0 1 = 0 1 0 = = 0 0 0 0 1 1
–   Patzer 3.802460+16
−16		(+58)19 − 13
(+12−6=14)
59.4%
19.0 / 32
0.0%
+116
52.9%
1664
0.96
880
1 = = = 1 1 0 0 0 0 = = 0 1 = = = 1 = 1 = = = 1 0 = = 1 1 1 1 1
–   Der Bringer 1.92455+15
−15		(+53)17 − 15
(+15−13=4)
53.1%
17.0 / 32
0.0%
+77
57.7%
2783
0.55
1606
1 = 1 0 1 0 0 1 0 0 0 0 1 = 0 0 0 1 = 1 1 1 0 0 = 1 1 1 1 0 1 1
–   Gosu 0.162455+16
−16		(+53)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.0%
+16
54.0%
3076
0.85
1660
0 1 = 0 0 1 1 = = 0 1 0 0 1 1 = 0 1 = 0 0 0 1 1 0 1 0 0 1 0 1 0
–   Phalanx XXII Reborn JA2452+15
−15		(+50)8 − 24
(+6−22=4)
25.0%
8.0 / 32
0.0%
−152
53.5%
2703
0.65
1446
0 0 0 0 0 0 0 0 = 0 1 1 = 0 0 = 0 0 0 0 0 0 0 = 0 1 0 1 0 1 1 0
–   Homer 2.012452+17
−17		(+50)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
−45
51.7%
2145
0.86
1108
0 = 1 = 0 = 0 = 0 1 = 0 0 = 1 0 0 1 1 0 = 0 0 0 1 = 0 = 0 1 0 0
–   Betsy 6.51 Nobook2450+15
−15		(+48)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+13
58.9%
2721
0.55
1604
1 0 1 1 1 1 0 1 = = 0 0 0 0 = 0 = 0 0 0 0 0 1 1 = 0 1 = 1 = 0 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+46)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−113
56.4%
2392
0.77
1350
0 0 = 0 0 = 0 0 = 0 0 0 1 1 = 0 0 1 0 1 = 0 0 0 1 0 0 1 0 0 1 0
–   Amateur 2.822446+15
−15		(+44)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−74
52.3%
2662
1.10
1392
0 0 0 0 0 0 0 = 1 = 1 0 0 0 0 1 = 0 0 = = = 0 = 0 1 0 0 = = 1 1
–   Tytan 9.32 64-bit2429+17
−17		(+27)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
1.1%
+83
  
= 0 1 1 1 1 0 0 0 1 1 0 = 0 1 1 1 1 1 1 1 = 0 0 = = 0 0 1 = 1 =
–   Sage 3.532424+19
−19		(+22)9.5 − 22.5
(+4−17=11)
29.7%
9.5 / 32
3.3%
−113
54.7%
1657
0.92
907
0 1 = = 0 0 0 0 0 = = 0 0 = 0 = 0 1 0 0 = 0 1 0 = = 0 = 0 1 = 0
–   Sorgenkind 0.42421+18
−18		(+19)19 − 13
(+15−9=8)
59.4%
19.0 / 32
6.0%
+86
52.6%
2642
0.97
1390
= = 0 0 1 1 1 1 1 0 = 1 1 = = 0 1 1 0 = = 1 0 0 0 1 1 1 = 1 1 0
–   Horizon 4.42419+18
−18		(+17)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
7.8%
+30
53.5%
2027
1.24
1085
1 0 0 = 0 1 1 1 = 0 0 0 = 1 0 1 = 1 1 = = 0 = 1 0 0 = 1 1 1 = 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+15)21 − 11
(+18−8=6)
65.6%
21.0 / 32
8.3%
+132
57.4%
2687
0.77
1543
1 1 = 1 1 = 1 = 1 = 1 1 1 0 0 1 1 0 0 1 = 0 0 1 0 1 1 1 1 1 = 0
–   Arion 1.72415+16
−16		(+13)17 − 15
(+12−10=10)
53.1%
17.0 / 32
12.6%
+34
61.0%
2493
0.63
1520
= 0 1 1 1 0 1 0 = 1 = 0 0 0 = = 0 1 = 1 1 1 = = 0 = 0 1 1 1 0 =
–   AICE 0.99.22411+16
−16		(+9)15 − 17
(+12−14=6)
46.9%
15.0 / 32
20.4%
−16
56.3%
2061
0.70
1160
1 1 = 0 0 0 0 1 1 0 = 1 0 0 = 0 0 0 1 0 1 1 0 1 = 0 1 0 1 = = 1
–   Chezzz 1.0.32409+15
−15		(+7)15 − 17
(+11−13=8)
46.9%
15.0 / 32
26.7%
−15
54.6%
2604
0.50
1421
1 0 0 0 = 1 0 = = 1 0 0 1 = 1 0 = 1 1 = 0 1 0 1 1 = 0 0 0 0 = 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(0)15 − 17
(+11−13=8)
46.9%
15.0 / 32
49.1%
−21
56.5%
2883
0.48
1629
1 = 0 0 0 1 = 0 1 1 0 = 0 = 1 1 0 0 = 1 0 0 = 0 1 0 1 0 = = 1 1
–   Averno 0.812396+15
−15		(−6)15 − 17
(+11−13=8)
46.9%
15.0 / 32
70.6%
−29
55.7%
2678
0.68
1491
0 0 = = 0 1 1 0 1 0 0 0 0 = 0 0 1 1 = 1 = = = 1 0 0 1 1 = 1 1 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(−12)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
86.1%
−69
57.9%
2352
0.70
1361
0 1 0 = 1 0 1 0 = 1 0 0 1 = 1 = 0 0 1 = 0 0 = 0 0 1 = 0 1 0 0 1
–   KnightX 1.922385+15
−15		(−17)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
94.3%
+13
55.5%
2037
0.55
1130
= 1 = 1 1 0 0 1 = 0 1 1 1 0 0 = = 0 1 1 1 0 1 = 0 1 = 0 = 1 0 =
–   Eeyore 1.482384+15
−15		(−18)16 − 16
(+11−11=10)
50.0%
16.0 / 32
95.0%
−16
53.6%
2598
0.69
1392
1 0 1 1 0 = = 0 0 = = 0 1 0 0 1 = = 1 = 1 = = 1 1 0 1 1 0 = 0 0
–   Ayito 0.2.9942371+16
−16		(−31)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
99.7%
−135
56.8%
2565
0.64
1457
= 0 0 0 1 0 0 0 1 = 0 0 = 1 1 1 0 = 0 1 0 1 0 0 = 0 = 0 = 0 0 1
–   Matilde 2008 64-bit2368+15
−15		(−34)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
99.9%
−47
59.5%
2282
0.46
1357
1 0 1 1 = 1 = 0 = 1 0 = 0 1 1 0 0 = 0 1 0 1 1 1 0 1 0 = 0 0 0 =
–   Natwarlal 0.142359+17
−17		(−43)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
+2
54.1%
2453
0.81
1327
1 1 = = 0 1 1 1 = 0 0 1 1 0 1 1 1 = 0 1 1 1 1 0 0 0 = 0 1 0 = 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−47)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+117
54.5%
2549
0.61
1388
= 0 1 1 1 1 1 1 1 1 1 0 1 1 = 1 0 = 1 0 1 1 1 1 1 0 = 0 1 = 1 =
–   Zeus 1.292346+16
−16		(−56)17 − 15
(+13−11=8)
53.1%
17.0 / 32
100.0%
−35
54.3%
2534
0.72
1376
0 0 = 0 = 0 1 = = 1 = 0 1 1 1 = 1 0 = 1 0 1 1 1 0 0 1 0 1 = 1 0
–   Esc 1.162345+15
−15		(−57)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+53
56.0%
2437
0.61
1364
1 1 1 0 1 1 = 0 1 = 1 0 0 1 = 1 1 1 1 1 0 1 0 1 = = 1 = 0 1 = =
–   Popochin 3.22341+19
−19		(−61)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+105
57.9%
2810
0.46
1628
1 = 0 1 0 0 = 1 1 1 1 0 1 1 = 0 1 1 1 1 1 = 1 = 1 = 1 1 0 1 1 1
–   ANT 2006-F2333+16
−16		(−69)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
+111
52.0%
2398
0.68
1248
= 1 1 0 1 1 1 1 1 1 1 1 = 0 = = = 1 1 = 1 1 1 = 1 1 1 = 1 1 0 0
–   Anechka 0.082320+16
−16		(−82)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
+9
54.5%
2398
0.71
1306
1 = 0 1 = 0 1 1 1 1 = 0 0 1 0 1 0 1 = 1 1 1 = 1 = 1 1 0 = 0 = 1
–   Dorky 3.482308+16
−16		(−94)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−61
56.9%
2154
0.72
1226
= = 1 0 0 1 1 1 1 = = 0 1 = 0 1 1 0 = = 0 1 1 0 1 0 = = 0 = 1 =
–   CyberPagno 2.1 32MB2295+16
−16		(−107)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
−18
54.8%
2547
0.70
1397
0 1 0 1 = 1 1 = 1 0 1 1 1 1 0 1 1 = = 0 = 1 0 0 1 1 = 1 = 1 0 =
–   Latista (Sinobyl) 1.52289+16
−16		(−113)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+14
54.4%
2261
0.61
1229
= 1 1 0 1 0 = = 0 1 1 1 = 1 1 1 1 = 0 = 1 1 1 = = 1 1 = 1 1 = 0
–   Madeleine 0.22285+15
−15		(−117)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+33
55.7%
2305
0.97
1283
1 1 1 0 1 0 = 0 1 1 1 1 1 1 1 = 1 1 1 0 1 1 1 = 0 = 1 = 0 = 1 =
–   Chispa 4.0.32273+14
−14		(−129)17.5 − 14.5
(+10−7=15)
54.7%
17.5 / 32
100.0%
−103
57.6%
1572
0.77
905
= 1 = 1 = 0 1 = = 1 = 0 0 0 = = 1 = 1 1 = 1 = 1 = 0 = 0 0 = 1 =
1344 games in total: 503 wins, 496 losses, 345 draws (25.7%), score: 50.3%
Average opponent: −1.5 (2400.5), average distance to opponent: 50.5

Performance

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

Perf = C + 0.014 [±0.363] * 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