KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
August 14, 2010
Testing summary:
Total: 89,765 games
played by 153 programs
937 CPU days (X2 4600+)

White wins: 36,316 (40.5%)
Black wins: 30,946 (34.5%)
Draws: 22,503 (25.1%)
White score: 53.0%

Engine Details

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Alarm 0.93.1 WB#102–103  (2213+17
−17		)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 JA2384+16
−16		(+171)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
+36
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 1.922379+16
−16		(+166)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−32
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 1.482375+16
−16		(+162)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 0.2.9942363+17
−17		(+150)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
+34
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
–   EXchess 5.01 beta 64-bit JA2352+15
−15		(+139)9.5 − 22.5
(+8−21=3)
29.7%
9.5 / 32
0.0%
−30
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
–   Natwarlal 0.142350+18
−18		(+137)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
–   Esc 1.162338+16
−16		(+125)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+32
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
–   Zeus 1.292337+18
−18		(+124)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 =
–   ANT 2006-F2325+18
−17		(+112)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
+8
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 0.082314+17
−17		(+101)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−10
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 3.482295+16
−16		(+82)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
−89
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 32MB2292+16
−16		(+79)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+48
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) 1.52281+17
−17		(+68)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+7
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 0.22277+16
−16		(+64)16 − 16
(+14−14=4)
50.0%
16.0 / 32
0.0%
+64
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 4.0.32266+15
−15		(+53)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−31
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
–   Atlas 2.202255+18
−17		(+42)18 − 14
(+15−11=6)
56.3%
18.0 / 32
0.0%
+87
  
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 2.02237+17
−17		(+24)13 − 19
(+12−18=2)
40.6%
13.0 / 32
2.5%
−55
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
–   InmiChess 3.06N2228+15
−16		(+15)15 − 17
(+11−13=8)
46.9%
15.0 / 32
10.4%
−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 alpha2227+16
−16		(+14)13 − 19
(+10−16=6)
40.6%
13.0 / 32
11.4%
−58
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
–   Sunsetter C10.3 64-bit JA2221+17
−17		(+8)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
25.4%
+23
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
–   WJChess 1.642213+16
−16		(0)15 − 17
(+10−12=10)
46.9%
15.0 / 32
50.2%
−24
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 =
–   Fortress 1.622201+16
−16		(−12)19 − 13
(+15−9=8)
59.4%
19.0 / 32
85.2%
+54
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
–   Gk 0.90 64-bit JA2179+17
−17		(−34)13 − 19
(+11−17=4)
40.6%
13.0 / 32
99.8%
−108
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
–   Ghost 0.142175+18
−18		(−38)17 − 15
(+14−12=6)
53.1%
17.0 / 32
99.9%
−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 2.0a2165+17
−17		(−48)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+66
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 0.872159+17
−17		(−54)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−18
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
–   Matheus 2.32129+16
−16		(−84)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+12
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 0.2b2121+16
−16		(−92)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 1.72118+17
−18		(−95)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+50
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 =
–   Ax 0.82108+16
−16		(−105)16 − 16
(+14−14=4)
50.0%
16.0 / 32
100.0%
−103
  
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 =
–   Bestia 0.902108+16
−16		(−105)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+16
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 = =
–   RDChess 3.232103+17
−17		(−110)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+35
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 2.92093+17
−17		(−120)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+5
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 2.3082087+18
−18		(−126)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−21
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
–   Small Potato 0.6.12079+17
−17		(−134)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+10
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
–   Requiem 0.532075+16
−16		(−138)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−18
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
–   Elephant 1.062060+18
−18		(−153)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 4.142059+18
−18		(−154)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
−23
  
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 1.132044+17
−17		(−169)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+119
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 1.3.02040+17
−17		(−173)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−96
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 1.4.42029+16
−17		(−184)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+46
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 0.172003+18
−18		(−210)28.5 − 3.5
(+27−2=3)
89.1%
28.5 / 32
100.0%
+152
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 0.51993+18
−18		(−220)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+63
  
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 =
1376 games in total: 599 wins, 534 losses, 243 draws (17.7%), score: 52.4%
Average opponent: −16.8 (2196.2), average distance to opponent: 102.2

Performance

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

Perf = C − 0.093 [±0.147] * 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 2005-2010 by Kirill Kryukov
Last games added on August 14, 2010