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
Alf 1.09 JA WB#120–121  (2193+17
−17
)Quote
Author: Casper W. Berg (Denmark) Released: 2007-07-24Links: Homepage, Jim Ablett's compile
Issues with this engine: Occasional losses on time.
This is the only Alf version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Matilde 2008 64-bit2368+15
−15
(+175)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
+60
57.2%
2149
0.62
1229
0 0 = 0 0 1 0 1 = 0 = 0 0 0 = 0 1 0 0 1 0 1 1 = 0 0 1 0 = 0 0 1
–   Zeus 1.292346+16
−16
(+153)6.5 − 25.5
(+4−23=5)
20.3%
6.5 / 32
0.0%
−85
53.9%
2156
0.89
1163
1 0 1 0 = 0 0 0 0 = 0 0 = 0 0 0 0 0 0 = 0 0 0 0 0 1 0 1 0 0 0 =
–   Esc 1.162345+15
−15
(+152)5.5 − 26.5
(+4−25=3)
17.2%
5.5 / 32
0.0%
−133
57.7%
2594
0.93
1496
0 0 0 = 0 0 = 0 0 0 0 = 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0
–   ANT 2006-F2333+16
−16
(+140)7 − 25
(+6−24=2)
21.9%
7.0 / 32
0.0%
−106
53.1%
2550
0.78
1355
0 0 0 0 0 1 1 0 0 0 0 0 0 = 1 1 0 0 1 0 0 0 0 1 0 0 = 0 0 0 0 0
–   Anechka 0.082320+16
−16
(+127)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+102
51.8%
2849
0.77
1476
1 0 1 0 = 0 0 = 1 0 = = 1 1 0 0 1 0 0 1 1 0 1 1 0 1 = 0 = 0 0 1
–   Dorky 3.482308+16
−16
(+115)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−26
57.0%
2030
1.02
1158
1 0 0 1 = 0 0 1 0 = 0 = 1 1 0 0 = = 0 0 = 0 0 0 1 0 0 0 0 0 0 1
–   CyberPagno 2.1 32MB2295+16
−16
(+102)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+58
55.6%
2229
0.65
1239
= 1 1 1 1 = = 0 0 = 1 = 0 = 1 0 = 0 0 1 0 1 0 0 0 1 = 1 0 0 0 0
–   Latista (Sinobyl) 1.52289+16
−16
(+96)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+20
53.2%
2506
0.67
1332
0 0 0 = 0 1 1 0 0 1 0 0 = 1 0 = 1 0 0 = = 1 0 0 = 0 = 1 0 = 1 =
–   Madeleine 0.22285+15
−15
(+92)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+2
53.9%
1910
0.77
1030
= 0 1 1 0 = = 0 0 = 1 0 0 0 = 1 1 0 0 0 0 0 1 0 1 0 = 0 = 1 0 =
–   Chispa 4.0.32273+14
−14
(+80)14 − 18
(+7−11=14)
43.8%
14.0 / 32
0.0%
+44
52.3%
1578
0.75
825
1 = = = 1 = = = 1 0 1 = = 0 1 0 0 = 0 = 0 0 0 = 1 1 0 = = 0 0 =
–   Uralochka 1.1b2272+18
−18
(+79)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−61
53.9%
2316
0.90
1248
= 0 0 0 = 0 = 1 0 0 1 0 0 1 0 = 1 0 1 1 0 0 0 1 = 0 0 0 0 = 0 0
–   Atlas 2.202271+17
−17
(+78)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−87
  
0 = 0 0 0 = 1 0 0 = 0 1 0 0 0 0 0 1 0 = 1 0 0 = 0 0 0 0 = 0 1 1
–   Genesis 2.02247+16
−16
(+54)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−39
55.6%
2720
0.72
1512
0 0 1 0 1 0 0 0 = 1 0 1 1 1 0 = = 0 0 1 0 = 0 1 0 0 = 1 0 = 0 0
–   Lime 662241+18
−18
(+48)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−7
55.8%
2386
0.61
1331
0 1 = 0 0 0 1 = 1 1 1 0 0 1 = 0 1 1 0 0 0 = 1 = 1 0 = 0 0 = 0 0
–   InmiChess 3.06N2241+15
−15
(+48)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
0.0%
+35
53.3%
2107
0.86
1124
0 0 0 0 0 0 0 1 0 = 0 = 0 = = 0 1 0 0 1 1 1 = 1 0 1 1 1 1 1 1 1
–   Nesik 0.7.0 alpha2237+16
−16
(+44)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−49
55.3%
2628
0.82
1453
1 = 0 0 0 1 0 0 1 = 1 1 1 1 0 0 = 1 = 1 0 0 0 0 = = 0 0 0 0 0 0
–   NagaSkaki 5.122232+18
−18
(+39)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
0.1%
+97
54.7%
2465
0.91
1348
0 1 1 1 0 0 = 1 1 1 1 1 = 0 = = 1 1 1 = 1 0 0 1 = 1 0 0 0 1 = 0
–   Sunsetter C10.3 64-bit JA2232+16
−16
(+39)13 − 19
(+7−13=12)
40.6%
13.0 / 32
0.0%
−17
55.1%
1867
0.53
1029
0 = 0 = 0 0 0 0 0 = 1 0 0 1 = 1 0 = 1 = 0 = 1 = = = 1 0 1 = 0 =
–   Alarm 0.93.12226+16
−16
(+33)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.2%
−32
55.7%
1814
1.08
1011
= 0 0 = 1 0 = 1 1 = = 0 0 1 0 0 1 0 = 1 1 0 0 1 0 0 0 = 0 1 = 0
–   Fortress 1.622216+15
−15
(+23)17 − 15
(+11−9=12)
53.1%
17.0 / 32
2.2%
+43
55.2%
1830
0.83
1010
1 = 1 1 1 = = = = 0 1 0 0 = 0 0 1 1 0 1 = = 0 = 1 1 = 0 = = 0 1
–   WJChess 1.642215+16
−16
(+22)18 − 14
(+14−10=8)
56.3%
18.0 / 32
2.6%
+65
55.0%
2096
0.90
1152
0 0 = 0 1 = 1 0 1 0 1 0 0 = 1 1 1 = 1 1 = 0 0 = = 1 1 0 = 1 1 1
–   Gk 0.90 64-bit JA2194+16
−16
(+1)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
46.4%
+11
51.0%
2391
0.95
1220
= = 1 0 = 1 1 0 = 1 0 1 0 0 0 1 1 1 0 1 0 0 0 1 0 = = 1 0 1 1 =
–   Clarabit 1.00 64-bit2193+18
−18
(0)18 − 14
(+14−10=8)
56.3%
18.0 / 32
51.4%
+45
51.6%
2712
0.70
1399
= 1 0 0 = 0 1 0 1 1 = 0 = = = 1 0 1 0 1 0 = 0 = 1 0 1 1 1 1 1 1
–   Ghost 0.142189+17
−17
(−4)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
66.2%
−57
52.8%
2260
0.99
1194
0 0 0 0 0 = 0 = 1 1 1 0 1 1 0 0 0 = 0 = 1 1 0 1 1 0 = 0 1 = 0 =
–   Wing 2.0a2179+16
−16
(−14)12 − 20
(+5−13=14)
37.5%
12.0 / 32
90.0%
−90
55.4%
1568
0.71
868
= = 1 = 0 = 0 = = 0 0 = 1 0 = 0 0 1 0 = 0 0 = = = 0 0 = 1 0 = 1
–   Uragano 3D 0.872174+16
−16
(−19)11 − 21
(+8−18=6)
34.4%
11.0 / 32
95.9%
−135
53.5%
2357
0.69
1260
0 0 1 0 1 1 = 0 0 0 0 0 0 = = 1 0 = 1 0 0 1 0 1 0 = 0 0 0 = 0 1
–   Parrot 0707222161+17
−17
(−32)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.8%
+15
46.5%
2257
0.98
1049
= 1 0 1 = 1 = 1 0 0 = 0 0 1 0 1 1 0 1 1 0 1 = 1 1 = = 0 = 0 1 1
–   Matheus 2.32144+15
−15
(−49)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
+50
54.2%
1773
0.92
961
1 1 1 = = 1 = 1 1 0 1 0 1 0 = 1 = = 1 1 1 0 = 0 = = = 1 1 = 1 =
–   Bodo 0.2b2137+15
−15
(−56)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
100.0%
−45
52.7%
1835
0.66
967
1 1 = 1 = 1 1 0 1 1 = 0 1 1 0 1 0 0 0 0 0 0 0 1 = = 1 1 0 = 0 =
–   Monarch 1.72131+16
−16
(−62)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
+5
51.4%
2155
1.07
1108
1 1 1 1 = 0 0 0 0 1 1 0 1 1 = 1 1 0 1 0 0 1 = 1 = 1 0 = = = = 1
–   Bestia 0.902122+15
−15
(−71)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
−13
56.9%
2176
0.64
1238
0 0 1 = 1 = 1 0 1 0 1 1 1 1 = 0 0 = 1 1 1 0 0 = 1 = = 1 1 0 1 0
–   Ax 0.82119+15
−15
(−74)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−40
  
0 = 1 = 1 0 0 1 0 1 1 = = 0 = 0 0 1 1 1 0 = 0 1 1 = = = 1 0 1 1
–   Gerbil 02 64-bit JA2118+18
−18
(−75)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+17
53.7%
2128
0.85
1143
0 1 0 0 1 1 0 0 1 1 0 = 0 = 1 = = 1 = 1 1 1 1 0 = 1 1 1 0 1 1 1
–   BigLion 2.23x2117+17
−17
(−76)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+66
53.8%
2271
0.63
1222
1 0 1 0 = 1 1 0 1 1 = 0 1 1 1 1 0 1 = 1 1 1 0 = 1 = = 0 1 1 1 1
–   RDChess 3.232117+16
−16
(−76)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
−25
54.0%
2317
0.99
1252
1 1 0 1 0 1 0 1 0 1 0 = 1 = 1 0 0 = 1 0 1 = 0 = 1 1 0 = 1 1 0 1
–   DelphiMax 2.92102+16
−16
(−91)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+100
53.9%
2520
0.90
1358
1 0 1 = 1 0 1 1 1 1 = 1 1 = = 1 1 1 0 1 0 1 1 = 1 1 1 0 1 = 1 1
–   Armageddon 2.3082098+17
−17
(−95)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−18
55.9%
2099
0.70
1174
= = 1 = 1 0 1 = 0 = = 1 0 0 0 1 1 1 0 = = 1 1 1 1 = 1 0 1 1 1 0
–   Requiem 0.532084+15
−15
(−109)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
−29
56.3%
1815
0.68
1022
1 0 1 1 1 1 1 1 0 = 1 0 1 0 0 0 = 0 = = 1 = 0 0 = 1 1 1 1 1 1 =
–   Small Potato 0.6.12082+16
−16
(−111)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+87
53.0%
2217
0.95
1174
1 = 0 = 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 = 1 = 1 1 1 1 = = =
–   Elephant 1.062075+16
−16
(−118)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+113
51.4%
2471
0.84
1271
1 1 1 0 0 1 1 1 1 1 1 1 = 1 0 1 = 1 0 1 1 1 1 = 1 = 0 1 1 1 1 1
–   Cilian 4.142069+16
−16
(−124)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−70
  
1 0 0 1 1 0 = 1 1 1 0 1 = = 0 1 = 1 1 = 1 0 = 1 = = 0 0 0 1 = 1
–   JanWillem 1.132062+16
−16
(−131)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+24
54.9%
1847
0.83
1014
1 1 1 1 1 = 1 1 = 1 1 = 1 1 = 1 1 1 1 1 = 0 0 1 1 0 1 0 = = = 0
–   Marvin 1.3.02054+16
−16
(−139)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+12
54.7%
2026
0.77
1108
1 1 1 1 = 1 0 = 0 1 0 1 1 1 1 = 1 = 1 = 1 = 1 0 1 = 0 0 1 1 1 1
–   Matant 5.042053+17
−17
(−140)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+25
51.3%
1866
0.66
957
1 1 1 = = 0 1 0 1 1 1 1 0 1 1 = 1 1 1 0 = 1 1 1 = 0 1 1 0 1 1 =
–   SSEChessII 2.05 DC2049+17
−17
(−144)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+47
51.2%
2631
1.11
1346
1 1 1 1 1 0 1 0 = 1 0 1 0 1 1 = 1 1 1 0 1 = 1 1 1 1 1 = 1 = = 1

Performance

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

Perf = C − 0.152 [±0.198] * 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