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
Alarm 0.93.1 WB#116  (2226+16
−16		)Quote
Authors: Benny Antonsson (Sweden), Erik Robertsson (Sweden) Released: 2004-05-12Link: WBEC
This engine is stable and runs without issues.
This is the only Alarm version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Scidlet 3.61 64-bit JA2390+15
−15		(+164)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
+32
59.3%
2349
0.98
1393
1 = 0 0 0 1 0 0 0 0 0 0 1 1 0 1 0 0 = 0 1 0 1 0 = 0 0 = 0 0 = 1
–   KnightX 1.922385+15
−15		(+159)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−35
55.5%
2275
0.93
1262
0 0 = 0 1 0 0 0 1 0 1 0 0 0 1 0 1 0 0 = 0 1 = 0 0 0 0 0 0 0 0 1
–   Eeyore 1.482384+15
−15		(+158)10 − 22
(+9−21=2)
31.3%
10.0 / 32
0.0%
0
55.0%
2518
1.15
1384
0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 = 0 0 0 0 0 1 1 0 1 1 = 0 0 1 0 1
–   Ayito 0.2.9942371+16
−16		(+145)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
+32
55.1%
2158
1.05
1190
1 1 1 0 0 = 0 1 1 0 1 0 0 0 1 = 1 0 0 0 = 0 1 0 0 0 0 0 1 0 0 0
–   Matilde 2008 64-bit2368+15
−15		(+142)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−31
55.9%
2348
1.27
1313
= 0 1 = 0 0 0 0 0 = 0 0 0 0 0 0 1 1 = 0 = 0 0 0 0 0 = = 0 0 1 1
–   Natwarlal 0.142359+17
−17		(+133)9 − 23
(+8−22=2)
28.1%
9.0 / 32
0.0%
−55
56.1%
2500
1.03
1402
1 0 1 0 0 0 0 = 0 0 0 1 0 0 0 1 0 = 0 0 0 0 1 0 1 1 0 1 0 0 0 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+129)9.5 − 22.5
(+8−21=3)
29.7%
9.5 / 32
0.0%
−37
56.9%
2550
0.84
1450
1 = 0 0 0 = 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 = 0
–   Zeus 1.292346+16
−16		(+120)7.5 − 24.5
(+4−21=7)
23.4%
7.5 / 32
0.0%
−79
55.1%
2227
0.90
1226
0 = = 0 0 = 0 1 0 1 0 0 0 = 0 0 0 0 0 = = 0 1 0 0 0 1 0 0 0 0 =
–   Esc 1.162345+15
−15		(+119)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+29
55.9%
2408
0.94
1346
= = 0 1 1 = 0 0 1 0 0 1 0 0 0 = 0 0 = 0 = = 0 0 1 = 1 1 1 0 0 0
–   Popochin 3.22341+19
−19		(+115)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−33
56.1%
2769
0.92
1554
0 0 0 0 0 0 = 0 1 0 0 0 0 1 1 = 0 1 = 0 1 1 0 0 0 1 0 1 0 0 = 0
–   ANT 2006-F2333+16
−16		(+107)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
+5
54.9%
1999
0.98
1098
0 1 0 0 = 0 = 0 0 1 1 0 1 = 1 0 0 0 0 = = = 0 = 0 0 1 0 1 0 1 0
–   Anechka 0.082320+16
−16		(+94)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−14
56.3%
2579
1.20
1452
0 = 1 0 = 0 0 0 0 0 = 0 1 0 1 0 0 1 0 1 1 0 = 1 1 = 0 1 0 0 0 0
–   Dorky 3.482308+16
−16		(+82)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−84
57.9%
2057
1.21
1190
0 1 = 0 = 1 = 1 = 0 = = 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 1 = = 0
–   CyberPagno 2.1 32MB2295+16
−16		(+69)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+39
54.9%
2115
1.11
1161
1 0 0 = 0 0 1 1 = 0 1 1 = = 1 1 0 1 = 0 = 0 = 0 0 0 0 0 = 1 = 1
–   Latista (Sinobyl) 1.52289+16
−16		(+63)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+3
55.3%
2706
0.88
1497
0 0 1 0 1 1 0 1 1 = 0 0 1 1 = 0 0 = 0 1 = = 0 0 0 1 1 0 1 0 0 0
–   Madeleine 0.22285+15
−15		(+59)16 − 16
(+14−14=4)
50.0%
16.0 / 32
0.0%
+59
55.7%
2643
1.21
1471
0 1 0 0 = 1 1 0 0 = 1 0 1 1 0 1 1 1 1 1 0 0 0 = 0 0 1 1 = 1 0 0
–   Chispa 4.0.32273+14
−14		(+47)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−35
55.6%
2588
0.78
1440
0 = 1 0 1 0 0 1 0 = = 0 1 0 = 0 0 0 1 0 1 = 1 0 0 1 0 1 1 0 0 0
–   Uralochka 1.1b2272+18
−18		(+46)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+33
52.1%
2499
1.21
1301
0 1 1 0 1 1 0 = 1 1 1 0 0 0 0 = 0 1 0 0 = 0 1 1 0 = = 1 1 = 0 =
–   Atlas 2.202271+17
−17		(+45)18 − 14
(+15−11=6)
56.3%
18.0 / 32
0.0%
+89
  
1 = 0 0 1 1 0 1 1 0 1 0 0 = 1 1 0 = 0 = 1 = 0 0 1 1 = 1 1 1 1 0
–   Genesis 2.02247+16
−16		(+21)13 − 19
(+12−18=2)
40.6%
13.0 / 32
2.9%
−56
56.2%
2433
1.14
1368
1 0 1 0 0 = 0 0 0 1 1 0 = 1 1 0 1 0 1 0 0 1 0 1 1 0 1 0 0 0 0 0
–   Lime 662241+18
−18		(+15)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
8.9%
+25
56.3%
2274
1.05
1281
1 1 0 1 = 0 0 1 0 = = 1 0 0 1 1 1 1 0 0 0 = 0 0 = 1 1 0 1 = 1 =
–   InmiChess 3.06N2241+15
−15		(+15)15 − 17
(+11−13=8)
46.9%
15.0 / 32
7.0%
−6
55.0%
2250
1.15
1237
= 0 = 1 = = 0 0 1 1 0 0 1 0 0 0 0 1 = 0 1 = 1 1 1 0 0 0 = 1 1 =
–   Nesik 0.7.0 alpha2237+16
−16		(+11)13 − 19
(+10−16=6)
40.6%
13.0 / 32
15.2%
−59
56.2%
2355
1.13
1324
0 0 0 = 0 0 = 0 0 = 1 0 0 0 0 0 = 1 1 1 1 0 1 1 1 0 0 1 = 1 = 0
–   NagaSkaki 5.122232+18
−18		(+6)18 − 14
(+17−13=2)
56.3%
18.0 / 32
29.7%
+57
54.3%
2766
0.93
1503
1 0 1 1 0 1 0 1 1 1 0 1 1 0 1 0 0 = 0 1 0 0 0 1 1 1 0 1 = 1 0 1
–   Sunsetter C10.3 64-bit JA2232+16
−16		(+6)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
28.6%
+20
55.1%
2398
1.54
1321
0 0 1 1 0 1 0 1 1 = 1 0 1 1 0 = 0 1 0 1 0 0 1 0 1 = 1 0 1 0 1 0
–   Fortress 1.622216+15
−15		(−10)19 − 13
(+15−9=8)
59.4%
19.0 / 32
83.3%
+55
53.1%
2432
1.63
1291
= 0 1 1 1 0 = 0 0 1 = = 1 0 1 1 1 1 1 0 0 = 1 1 = 1 = = 0 1 1 0
–   WJChess 1.642215+16
−16		(−11)15 − 17
(+10−12=10)
46.9%
15.0 / 32
84.7%
−34
56.9%
2064
1.06
1174
1 1 1 = = 1 1 1 1 = 0 = 0 0 = = 0 0 0 1 0 1 0 0 1 = 0 = 0 = 0 =
–   Gk 0.90 64-bit JA2194+16
−16		(−32)13 − 19
(+11−17=4)
40.6%
13.0 / 32
99.8%
−104
51.4%
2467
1.44
1268
1 0 = 0 0 1 0 0 = 0 0 0 0 1 1 1 1 0 0 1 1 1 0 = 0 0 0 0 1 0 = 1
–   Alf 1.09 JA2193+17
−17		(−33)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.8%
+32
55.7%
1814
1.08
1011
= 1 1 = 0 1 = 0 0 = = 1 1 0 1 1 0 1 = 0 0 1 1 0 1 1 1 = 1 0 = 1
–   Clarabit 1.00 64-bit2193+18
−18		(−33)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
99.8%
−18
54.3%
2804
1.17
1522
1 = 1 1 1 = 0 1 0 1 1 1 1 1 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 = 1 0
–   Ghost 0.142189+17
−17		(−37)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−12
53.3%
2394
1.46
1277
= 1 1 0 0 0 1 0 = = 0 0 0 1 1 1 1 0 1 0 1 1 = 0 = 1 0 1 0 1 1 =
–   Wing 2.0a2179+16
−16		(−47)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+64
53.4%
1871
0.74
1000
1 = 0 = 1 1 1 1 = 0 1 = 0 = 1 1 1 1 1 1 = 0 1 1 0 0 1 1 = = 1 0
–   Uragano 3D 0.872174+16
−16		(−52)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−17
50.5%
2460
1.43
1243
0 0 = 0 1 0 1 0 1 1 1 = 1 = 1 1 = 0 1 0 1 0 0 1 0 1 = 1 1 0 1 0
–   Parrot 0707222161+17
−17		(−65)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
+19
54.4%
2350
1.30
1278
0 1 1 = = 1 1 1 1 = 0 1 = 0 0 1 0 1 0 1 1 = 1 0 1 0 1 1 0 1 1 0
–   Matheus 2.32144+15
−15		(−82)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+11
53.5%
2201
1.31
1177
1 1 0 0 1 1 = 0 1 0 = = 1 0 1 = 1 0 1 1 1 1 1 = 1 1 0 0 1 1 0 =
–   Bodo 0.2b2137+15
−15		(−89)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+34
53.7%
2056
1.13
1105
1 1 0 1 1 1 0 1 = 1 = 0 1 1 0 1 1 1 1 0 1 0 0 1 1 = 1 0 1 0 1 =
–   Monarch 1.72131+16
−16		(−95)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+46
53.9%
2207
1.43
1189
1 = 0 0 1 0 = 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 = = 1 0 0 1 = 1 =
–   Bestia 0.902122+15
−15		(−104)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+14
57.9%
2317
1.23
1341
= 0 0 1 1 = 1 0 = 0 = 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = 1 = 1 0 = =
–   Ax 0.82119+15
−15		(−107)16 − 16
(+14−14=4)
50.0%
16.0 / 32
100.0%
−105
  
0 0 0 1 1 1 1 0 1 0 1 1 0 = = 0 0 0 0 1 0 = 1 1 1 1 1 0 1 0 0 =
–   Gerbil 02 64-bit JA2118+18
−18		(−108)17.5 − 14.5
(+17−14=1)
54.7%
17.5 / 32
100.0%
−67
51.5%
2906
1.17
1498
1 1 1 0 1 0 0 1 0 1 = 1 0 0 0 0 0 1 1 0 0 0 1 1 1 0 1 1 0 1 1 1
–   BigLion 2.23x2117+17
−17		(−109)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+46
56.5%
2101
1.17
1188
= = 0 1 1 1 1 1 = = 1 = 1 1 = 0 1 0 1 0 1 1 = 1 1 0 1 1 1 1 1 =
–   RDChess 3.232117+16
−16		(−109)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+32
57.3%
2168
0.82
1243
1 1 1 1 1 1 1 1 = 1 = 1 1 1 0 0 1 1 0 1 1 0 0 0 = 1 = = 1 = 0 1
–   DelphiMax 2.92102+16
−16		(−124)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
−1
55.2%
2527
1.40
1394
1 1 0 0 1 0 1 1 1 1 0 0 1 1 = 1 1 1 = 1 1 0 1 0 1 1 = 0 1 = 0 1
–   Armageddon 2.3082098+17
−17		(−128)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−26
53.6%
2206
1.29
1182
0 1 1 1 1 0 1 1 = 1 = 1 1 0 0 1 1 = 1 0 1 0 = 0 1 = 1 = 0 1 = 1
–   Requiem 0.532084+15
−15		(−142)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−25
54.9%
1518
1.14
833
1 1 = 0 = = = 0 1 1 = 1 = 1 1 = = 1 1 = 1 1 = 1 1 0 = 1 0 0 1 1
–   Small Potato 0.6.12082+16
−16		(−144)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
−2
54.5%
2322
1.45
1266
1 1 1 1 0 1 0 = 1 0 1 1 1 1 0 1 1 0 = 1 1 1 1 = 0 = 1 0 = 1 = 1
–   Elephant 1.062075+16
−16		(−151)19.5 − 12.5
(+19−12=1)
60.9%
19.5 / 32
100.0%
−57
52.6%
3036
1.45
1597
1 1 1 0 1 0 1 0 1 0 0 = 0 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 0 0 1 1
–   Cilian 4.142069+16
−16		(−157)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
−30
  
1 0 1 1 1 0 1 1 = 0 0 0 1 0 = 1 1 1 1 = 0 = 1 = 1 1 = 1 = 1 1 1
–   JanWillem 1.132062+16
−16		(−164)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+120
55.1%
2219
1.47
1222
0 1 1 0 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1
–   Marvin 1.3.02054+16
−16		(−172)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−97
54.5%
2194
1.56
1195
= 0 0 = 0 0 0 0 1 1 = 1 0 1 = = 1 1 1 = 1 1 1 1 1 0 = 1 = 1 = 1
–   Faile 1.4.42042+15
−15		(−184)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+42
54.4%
2122
1.49
1154
1 1 1 = 1 = 1 1 0 1 = = 1 1 1 0 1 1 1 1 1 1 1 = 0 1 1 = 1 = 1 1
–   Sharper 0.172022+16
−16		(−204)28.5 − 3.5
(+27−2=3)
89.1%
28.5 / 32
100.0%
+156
51.6%
2417
1.67
1248
1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = = 0 1 1 0 1 1
–   BibiChess 0.52007+16
−16		(−219)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+61
  
1 1 1 = = 1 = 1 1 1 = 1 1 1 1 1 1 1 0 = 1 1 = 1 1 1 1 1 1 1 1 =
1696 games in total: 737 wins, 664 losses, 295 draws (17.4%), score: 52.2%
Average opponent: −15.9 (2210.1), average distance to opponent: 94.0

Performance

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

Perf = C − 0.089 [±0.134] * 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