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
Nesik 0.7.0 alpha WB#113  (2237+16
−16		)Quote
Author: Marek Strejczek (Poland) Released: 2004-09-30Link: Homepage
This engine is stable and runs without issues.
This is the only Nesik version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Phalanx XXII Reborn JA2452+15
−15		(+215)9.5 − 21.5
(+7−19=5)
30.6%
9.5 / 31
0.0%
+68
53.2%
2238
0.78
1190
0 0 = 1 = 0 = 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 = = 0 1
–   Betsy 6.51 Nobook2450+15
−15		(+213)3.5 − 25.5
(+1−23=5)
12.1%
3.5 / 29
0.0%
−101
57.9%
2370
0.70
1373
0 0 0 0 0 0 0 0 0 0 0 0 0 = = 0 0 0 0 0 0 = 0 0 = = 1 0 0
–   Amateur 2.822446+15
−15		(+209)5 − 24
(+3−22=4)
17.2%
5.0 / 29
0.0%
−61
56.6%
2031
1.07
1149
0 0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 = 0 1 0 = 0 1 0 1 =
–   Thor's Hammer 2.28 32-bit2417+15
−15		(+180)7 − 17
(+4−14=6)
29.2%
7.0 / 24
0.0%
+31
57.9%
1780
0.93
1031
0 0 0 = = 1 1 1 0 0 0 0 0 0 0 0 1 = = 0 0 = 0 =
–   Chezzz 1.0.32409+15
−15		(+172)7.5 − 17.5
(+6−16=3)
30.0%
7.5 / 25
0.0%
+8
57.1%
2204
0.63
1258
0 0 1 0 0 0 0 0 1 0 = 1 0 1 = 0 1 = 1 0 0 0 0 0 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(+165)7.5 − 9.5
(+6−8=3)		44.1%
7.5 / 17
0.0%
+121
57.0%
1232
0.61
702
1 0 1 0 0 1 1 0 0 = = 1 0 1 0 0 =
–   Averno 0.812396+15
−15		(+159)9.5 − 18.5
(+5−14=9)
33.9%
9.5 / 28
0.0%
+49
56.1%
1639
0.51
920
0 1 1 = 0 = 0 = 0 1 0 0 0 0 1 = = = 0 = 1 0 0 = 0 0 0 =
–   Scidlet 3.61 64-bit JA2390+15
−15		(+153)6 − 20
(+4−18=4)
23.1%
6.0 / 26
0.0%
−63
59.5%
2249
0.82
1339
0 = = 0 0 0 1 1 0 0 1 0 0 0 0 0 0 = 0 0 = 0 0 0 0 1
–   KnightX 1.922385+15
−15		(+148)6.5 − 20.5
(+6−20=1)
24.1%
6.5 / 27
0.0%
−83
57.9%
2261
0.66
1310
0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 1 0 1 0 0 = 0 0 0
–   Eeyore 1.482384+15
−15		(+147)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
0.0%
+107
56.0%
2124
0.79
1189
0 0 = 0 = 0 0 1 0 0 = 1 0 0 1 = 0 1 1 1 1 0 1 1 = 0
–   Ayito 0.2.9942371+16
−16		(+134)7 − 23
(+6−22=2)
23.3%
7.0 / 30
0.0%
−94
55.0%
2704
0.71
1488
0 0 0 1 0 0 0 1 = 0 1 0 0 0 0 0 0 = 0 0 0 0 1 0 0 0 0 0 1 1
–   Matilde 2008 64-bit2368+15
−15		(+131)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+22
56.2%
2480
0.93
1394
0 1 0 0 1 0 = = 0 = 0 0 1 0 0 1 0 = 1 0 0 0 1 1 1 0 0 0 0 0 = 1
–   Natwarlal 0.142359+17
−17		(+122)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+89
56.7%
1974
0.92
1120
0 0 = 0 1 = = 1 1 = = 0 0 0 = 1 1 0 1 1 0 = 0 = 1 1 = 0 0 0 1 0
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(+118)6.5 − 14.5
(+5−13=3)
31.0%
6.5 / 21
0.0%
−33
55.6%
1560
0.67
868
0 0 = 1 0 0 0 0 0 0 0 1 0 1 = 0 0 1 = 0 1
–   Zeus 1.292346+16
−16		(+109)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+85
57.7%
2501
0.76
1442
0 0 0 1 0 1 1 0 1 = 0 0 = = 1 1 1 1 = 0 0 0 1 = 1 1 = 0 0 0 1 0
–   Esc 1.162345+15
−15		(+108)7 − 18
(+3−14=8)
28.0%
7.0 / 25
0.0%
−34
57.4%
1562
0.64
897
0 = 0 0 = = 0 0 = 0 0 0 1 0 0 = = 0 = 0 1 0 = 1 0
–   Popochin 3.22341+19
−19		(+104)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−45
58.4%
2512
0.67
1468
0 = 0 0 = 1 0 = 1 0 0 0 0 0 = 1 1 0 0 1 1 0 0 = = = 0 0 0 0 0 0
–   ANT 2006-F2333+16
−16		(+96)8 − 18
(+5−15=6)
30.8%
8.0 / 26
0.0%
−46
54.6%
2239
0.63
1223
1 0 0 0 0 = 1 = 0 = 0 0 0 0 = 0 1 0 = 0 = 1 1 0 0 0
–   GNU Chess 5.07 64-bit JA2332+22
−22		(+95)11 − 15
(+9−13=4)
42.3%
11.0 / 26
0.0%
+37
52.2%
1551
0.75
810
0 1 0 0 0 0 0 1 = 1 1 1 0 = 0 = 0 = 1 1 1 0 0 0 0 1
–   Anechka 0.082320+16
−16		(+83)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−77
56.9%
2781
0.61
1581
0 0 = 0 1 0 0 0 = 0 0 0 0 1 0 0 0 0 = 0 = 1 0 0 = 0 1 1 1 0 0 1
–   Dorky 3.482308+16
−16		(+71)10 − 14
(+7−11=6)
41.7%
10.0 / 24
0.0%
+10
59.2%
1585
1.01
939
1 0 0 = 0 1 1 = 0 0 0 = = 0 1 0 1 1 0 1 0 = = 0
–   CyberPagno 2.1 32MB2295+16
−16		(+58)7.5 − 18.5
(+4−15=7)
28.8%
7.5 / 26
0.0%
−91
58.5%
2034
0.80
1190
0 0 0 0 0 1 1 0 0 0 = 1 0 = 0 0 0 = = 0 0 1 = 0 = =
–   Latista (Sinobyl) 1.52289+16
−16		(+52)12 − 13
(+9−10=6)
48.0%
12.0 / 25
0.0%
+38
53.3%
2017
0.77
1076
1 1 0 1 0 1 = 0 = 0 = 1 1 1 = = = 0 0 0 0 0 1 1 0
–   Madeleine 0.22285+15
−15		(+48)9 − 14
(+4−9=10)
39.1%
9.0 / 23
0.0%
−21
56.3%
1209
1.07
681
= 0 0 0 1 0 0 0 0 = = = 0 1 = = = = = 1 1 = 0
–   Chispa 4.0.32273+14
−14		(+36)16.5 − 12.5
(+12−8=9)
56.9%
16.5 / 29
0.0%
+81
52.6%
1771
0.98
931
1 1 = = = = 1 = 0 = 0 = 0 0 = 1 1 1 0 1 0 1 1 0 = 0 1 1 1
–   Uralochka 1.1b2272+18
−18		(+35)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.1%
−24
53.5%
3113
0.65
1664
1 1 0 0 0 1 = 1 1 1 0 0 1 0 = 0 = 0 0 1 0 = 0 0 1 0 0 = 0 1 1 0
–   Atlas 2.202271+17
−17		(+34)15 − 14
(+11−10=8)
51.7%
15.0 / 29
0.1%
+45
  
0 = 1 1 1 1 1 1 0 0 0 = 1 0 = = 0 0 = 0 0 0 1 = 1 = 1 = 1
–   Genesis 2.02247+16
−16		(+10)12.5 − 12.5
(+9−9=7)
50.0%
12.5 / 25
18.0%
+12
54.7%
2010
0.64
1100
0 1 = 1 1 = 0 1 = 1 = = 1 0 1 1 0 0 0 1 0 = = 0 0
–   Lime 662241+18
−18		(+4)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
34.3%
+82
55.4%
2671
0.95
1480
1 0 1 1 1 1 = 1 0 1 = 1 = 0 1 1 0 = 0 1 1 = 1 = = 0 1 0 1 0 1 0
–   InmiChess 3.06N2241+15
−15		(+4)12 − 14
(+9−11=6)
46.2%
12.0 / 26
33.1%
−27
58.0%
1716
0.68
995
1 = 1 = = 1 0 0 0 1 1 0 0 1 1 = 0 0 0 1 0 = 0 = 1 0
–   NagaSkaki 5.122232+18
−18		(−5)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
66.5%
−35
56.6%
1829
0.89
1036
1 = 0 1 1 = = = 0 = 1 0 = 0 = 1 1 = 0 0 1 = = 1 0 = = = 0 0 0 0
–   Sunsetter C10.3 64-bit JA2232+16
−16		(−5)8.5 − 12.5
(+6−10=5)
40.5%
8.5 / 21
67.6%
−72
52.1%
1788
1.15
932
0 1 0 0 1 = 0 0 1 1 0 = = 1 0 = 0 = 0 1 0
–   Alarm 0.93.12226+16
−16		(−11)19 − 13
(+16−10=6)
59.4%
19.0 / 32
84.8%
+59
56.2%
2355
1.13
1324
1 1 1 = 1 1 = 1 1 = 0 1 1 1 1 1 = 0 0 0 0 1 0 0 0 1 1 0 = 0 = 1
–   Fortress 1.622216+15
−15		(−21)11.5 − 15.5
(+9−13=5)
42.6%
11.5 / 27
97.8%
−76
53.3%
2137
0.92
1139
0 0 1 0 0 1 = 1 0 = = 0 0 1 1 1 0 0 1 = 0 0 1 1 0 0 =
–   WJChess 1.642215+16
−16		(−22)13.5 − 9.5
(+9−5=9)
58.7%
13.5 / 23
98.0%
+34
58.8%
1281
0.63
753
1 0 1 = 0 = 1 0 1 1 = = = 1 = 1 = 1 1 0 = 0 =
–   Gk 0.90 64-bit JA2194+16
−16		(−43)15 − 13
(+12−10=6)
53.6%
15.0 / 28
100.0%
−20
51.7%
1986
0.95
1026
= 1 1 0 = 1 0 1 0 1 = 0 = 1 0 1 0 1 0 0 1 1 1 = = 0 1 0
–   Alf 1.09 JA2193+17
−17		(−44)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+49
55.3%
2628
0.82
1453
0 = 1 1 1 0 1 1 0 = 0 0 0 0 1 1 = 0 = 0 1 1 1 1 = = 1 1 1 1 1 1
–   Clarabit 1.00 64-bit2193+18
−18		(−44)15 − 17
(+12−14=6)
46.9%
15.0 / 32
100.0%
−68
50.3%
2919
0.87
1468
0 = 1 1 0 1 0 0 = = 1 1 0 1 0 0 0 0 = 1 1 1 1 0 0 0 = 0 = 1 0 1
–   Ghost 0.142189+17
−17		(−48)22.5 − 9.5
(+16−3=13)
70.3%
22.5 / 32
100.0%
+79
54.8%
2190
0.98
1201
1 1 1 = = 1 0 = = 1 1 = = 1 = 1 = 1 = 0 = 1 = 1 1 1 1 0 = = 1 1
–   Wing 2.0a2179+16
−16		(−58)15 − 15
(+10−10=10)
50.0%
15.0 / 30
100.0%
−56
56.4%
1621
0.70
915
1 0 0 1 = = = 1 1 = = 0 0 0 = 1 1 0 0 = 1 1 1 = 1 = 0 0 0 =
–   Uragano 3D 0.872174+16
−16		(−63)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−41
54.4%
2461
0.89
1338
0 1 1 = 0 0 1 = 0 0 = 1 0 1 = 1 1 0 0 1 1 1 0 0 1 0 1 0 = 1 1 =
–   Parrot 0707222161+17
−17		(−76)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
+12
50.5%
1724
1.00
871
= 0 1 1 1 = 0 = 1 1 = 1 1 0 1 0 0 1 = = 1 1 0 = 1 1 0 1 = 0 1 1
–   Matheus 2.32144+15
−15		(−93)11 − 9
(+8−6=6)
55.0%
11.0 / 20
100.0%
−60
55.7%
1462
0.98
814
= = 1 1 0 1 1 1 1 = 1 0 0 1 0 = = 0 0 =
–   Bodo 0.2b2137+15
−15		(−100)13 − 11
(+10−8=6)
54.2%
13.0 / 24
100.0%
−73
52.1%
1328
0.77
692
= 0 1 1 0 0 0 0 1 = 1 1 0 1 0 1 0 1 1 = = = = 1
–   Monarch 1.72131+16
−16		(−106)19 − 13
(+18−12=2)
59.4%
19.0 / 32
100.0%
−29
50.5%
2985
1.42
1507
0 1 1 1 0 1 0 = 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 = 1 1 1 0 1 1 1
–   Bestia 0.902122+15
−15		(−115)15 − 11
(+12−8=6)
57.7%
15.0 / 26
100.0%
−60
52.0%
1763
0.93
916
1 1 = 1 1 1 1 0 0 1 0 = 0 = 1 = = 1 1 0 = 1 0 0 0 1
–   Ax 0.82119+15
−15		(−118)18.5 − 10.5
(+15−7=7)
63.8%
18.5 / 29
100.0%
−19
  
1 0 1 1 1 = 1 1 1 = = = = 1 1 1 1 = 0 0 1 0 = 1 1 0 0 1 0
–   Gerbil 02 64-bit JA2118+18
−18		(−119)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+6
52.6%
2712
1.02
1426
= 1 1 0 1 1 1 0 = 0 1 1 1 = 0 1 1 = 1 = 1 = 0 1 1 1 1 1 0 0 = 1
–   BigLion 2.23x2117+17
−17		(−120)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
0
52.8%
2197
0.71
1161
1 1 1 0 1 1 1 1 1 1 0 = 0 = = 1 1 0 1 0 1 1 = = 0 1 = = = = 1 1
–   RDChess 3.232117+16
−16		(−120)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+63
54.0%
2675
0.78
1445
= 1 1 1 = 0 1 0 0 0 1 1 0 = 1 1 1 1 1 = = 1 1 1 1 1 1 1 0 1 1 1
–   DelphiMax 2.92102+16
−16		(−135)16 − 11
(+12−7=8)
59.3%
16.0 / 27
100.0%
−68
56.4%
1869
1.04
1055
= 0 1 1 1 = 1 = 1 0 = = = 1 0 1 = 1 0 0 1 0 1 1 = 0 1
–   Armageddon 2.3082098+17
−17		(−139)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
−54
52.6%
2078
0.86
1093
= 0 0 = 0 1 1 = 1 = 1 1 = 0 = = 1 1 1 1 = 0 = = 1 1 1 1 0 1 1 0
–   Requiem 0.532084+15
−15		(−153)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−36
55.2%
1230
0.82
679
1 = = 1 1 1 0 = 1 1 1 1 = 1 = = 0 1 = = = = = 1 = = 1 1 = 1 0 1
–   Small Potato 0.6.12082+16
−16		(−155)26 − 6
(+24−4=4)
81.3%
26.0 / 32
100.0%
+105
53.5%
2432
1.05
1302
1 1 1 1 0 1 1 = 1 1 1 1 1 = 1 0 1 1 1 0 1 1 = 1 1 1 0 1 1 1 1 =
–   Elephant 1.062075+16
−16		(−162)17.5 − 7.5
(+16−6=3)
70.0%
17.5 / 25
100.0%
−1
53.4%
1632
0.98
872
1 1 0 1 1 1 = 1 = 1 1 = 0 1 1 1 0 0 1 0 1 1 0 1 1
–   Cilian 4.142069+16
−16		(−168)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−67
  
1 = 0 = 0 0 1 1 0 1 1 = 1 1 0 0 = 1 1 1 1 = = 1 0 1 0 = 1 1 1 1
–   JanWillem 1.132062+16
−16		(−175)24 − 6
(+23−5=2)
80.0%
24.0 / 30
100.0%
+86
51.5%
2924
1.44
1505
= 1 1 1 0 1 0 0 1 1 1 1 1 0 1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1
–   Marvin 1.3.02054+16
−16		(−183)22 − 4
(+19−1=6)
84.6%
22.0 / 26
100.0%
+79
55.8%
1517
0.99
847
1 1 1 1 1 1 1 = 1 1 1 1 1 = = = 1 = 0 1 1 1 = 1 1 1
–   Faile 1.4.42042+15
−15		(−195)19 − 3
(+17−1=4)
86.4%
19.0 / 22
100.0%
+98
54.4%
1702
0.80
926
1 1 = 1 = 1 = 1 1 1 = 1 1 0 1 1 1 1 1 1 1 1
–   Sharper 0.172022+16
−16		(−215)21.5 − 6.5
(+19−4=5)
76.8%
21.5 / 28
100.0%
−9
52.5%
1910
1.44
1003
1 = 1 0 1 1 1 1 1 1 1 1 = 1 = 1 = 0 1 1 1 0 1 1 = 1 0 1
–   BibiChess 0.52007+16
−16		(−230)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+89
  
1 1 1 1 1 1 1 0 1 1 = 1 1 0 1 1 1 1 1 1 = 1 1 1 0 1 1 1 = 1 1 1
1719 games in total: 682 wins, 659 losses, 378 draws (22.0%), score: 50.7%
Average opponent: −3.8 (2233.2), average distance to opponent: 105.6

Performance

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

Perf = C − 0.032 [±0.128] * 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