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

Options
Show each game results
Mizar 3.0 WB#175  (1767+20
−20		)Quote
Author: Nicola Rizzuti (Italy) Released: 2006-05-16Links: Homepage, RWBC
Issues with this engine: Frequent crashes and losses on time.
This is the only Mizar version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   JanWillem 1.132062+16
−16		(+295)3.5 − 28.5
(+2−27=3)
10.9%
3.5 / 32
0.0%
−64
44.7%
2340
1.64
1047
0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 1 0 0 0 0 = 0
–   Marvin 1.3.02054+16
−16		(+287)6.5 − 25.5
(+2−21=9)
20.3%
6.5 / 32
0.0%
+76
49.0%
1680
0.99
823
1 = 0 = 0 0 0 = = 0 0 = 0 0 0 0 0 0 = 0 0 0 0 = 0 0 = = 0 0 1 0
–   Matant 5.042053+17
−17		(+286)5 − 27
(+4−26=2)
15.6%
5.0 / 32
0.0%
−28
48.0%
1955
1.32
938
0 0 0 0 0 = 0 0 0 0 0 0 1 0 1 0 0 0 0 1 = 0 0 0 0 1 0 0 0 0 0 0
–   SSEChessII 2.05 DC2049+17
−17		(+282)4 − 28
(+3−27=2)
12.5%
4.0 / 32
0.0%
−71
45.1%
2860
1.14
1289
0 0 0 0 0 0 = 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 = 0 0 0 0
–   Faile 1.4.42042+15
−15		(+275)5 − 27
(+2−24=6)
15.6%
5.0 / 32
0.0%
0
47.3%
2284
0.99
1080
0 = = 0 1 0 0 = 0 0 = 0 0 = 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 1
–   Smash 1.0.32036+17
−17		(+269)4 − 28
(+3−27=2)
12.5%
4.0 / 32
0.0%
−86
49.0%
2583
1.04
1266
= 0 0 0 1 0 1 0 0 0 0 0 0 = 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(+261)5 − 27
(+2−24=6)
15.6%
5.0 / 32
0.0%
−12
73.4%
2064
1.20
1514
= 0 0 0 0 1 0 0 0 0 = 0 = = 0 0 = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 =
–   Sharper 0.172022+16
−16		(+255)5.5 − 26.5
(+5−26=1)
17.2%
5.5 / 32
0.0%
−52
45.6%
2628
1.37
1198
1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 = 0 0
–   Mustang 4.972021+17
−17		(+254)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+197
46.1%
1727
1.38
796
0 1 0 0 0 0 1 0 1 = 0 1 = = 0 0 = = 0 0 0 1 1 = = 0 1 1 0 1 0 1
–   Rival UCI 1.182021+17
−17		(+254)9 − 23
(+7−21=4)
28.1%
9.0 / 32
0.0%
+77
44.8%
2357
1.50
1055
= 1 0 1 0 0 0 0 0 1 0 0 = 0 0 0 1 0 0 = 0 0 = 0 1 0 1 0 0 0 1 0
–   BibiChess 0.52007+16
−16		(+240)7 − 25
(+5−23=4)
21.9%
7.0 / 32
0.0%
+8
  
= = = 1 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 1 0 0 0 = 0 0 0 0 0 0 0 0
–   IACH 0.56z1995+18
−18		(+228)5 − 27
(+3−25=4)
15.6%
5.0 / 32
0.0%
−62
58.0%
2452
1.36
1421
0 0 0 0 = 0 0 = 0 0 0 0 0 0 1 0 0 0 0 = 1 0 0 0 0 0 1 0 0 = 0 0
–   Clueless 1.41990+18
−18		(+223)6 − 26
(+6−26=0)
18.8%
6.0 / 32
0.0%
−77
47.5%
2642
1.36
1255
1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
–   Warrior 1.0.31987+17
−17		(+220)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
+54
45.7%
2485
1.10
1135
0 0 = 0 0 0 0 1 = 0 0 = 1 = 0 0 0 0 1 = 0 0 0 0 = 0 0 0 1 1 0 1
–   Morphy 3.221974+17
−17		(+207)5 − 27
(+3−25=4)
15.6%
5.0 / 32
0.0%
−85
48.7%
2446
4.52
1192
0 0 = 0 1 0 0 0 0 0 = 1 0 0 0 0 0 0 0 0 0 0 = 0 0 = 0 0 0 0 1 0
–   Eagle 0.7.51973+20
−20		(+206)9.5 − 22.5
(+8−21=3)
29.7%
9.5 / 32
0.0%
+39
45.2%
2170
1.52
980
0 1 0 = 0 0 0 0 = 0 0 0 1 0 0 1 1 0 0 1 0 0 0 1 0 0 = 0 1 1 0 0
–   SnailChess 4.0131973+19
−19		(+206)8.5 − 23.5
(+4−19=9)
26.6%
8.5 / 32
0.0%
+39
72.9%
1431
2.54
1043
1 = 0 = 0 0 0 = 0 = 0 = 0 0 = 0 0 1 0 0 1 0 0 0 0 1 0 0 = = 0 =
–   Celes 0.77c1921+20
−20		(+154)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
+22
45.2%
2223
1.51
1005
0 0 0 0 1 0 = 1 1 0 0 0 0 1 0 = 0 1 0 0 0 1 = 1 0 0 = = 0 0 0 1
–   Simontacchi 1.811915+20
−20		(+148)9 − 23
(+8−22=2)
28.1%
9.0 / 32
0.0%
−38
48.9%
2381
1.46
1164
0 0 1 0 0 1 1 0 0 = = 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 1 0 0
–   Ranita 2.41907+20
−20		(+140)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
0
51.7%
1977
1.34
1022
= 1 0 1 0 0 0 0 1 0 0 0 0 = = 0 = 0 0 1 = 0 1 0 0 0 0 0 1 0 1 =
–   Cecir 3.51885+19
−19		(+118)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
+7
45.4%
2168
1.26
984
1 0 1 0 0 0 1 0 1 = = 0 = 1 1 0 0 0 = 1 = 0 0 0 0 = 0 = 0 0 0 =
–   Enigma 1.1.41879+21
−21		(+112)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−82
43.0%
2332
1.93
1002
1 0 1 1 0 1 = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 = 0 1 0 0 1 0 0
–   Soldat 0.25b1873+17
−17		(+106)11.5 − 20.5
(+6−15=11)
35.9%
11.5 / 32
0.0%
+11
45.7%
1647
1.43
752
1 0 = = 0 = = 0 = 1 = 0 0 0 = 1 0 0 1 = 1 1 0 0 = = 0 0 0 0 = 0
–   Grizzly 1.40.1b1837+20
−20		(+70)9.5 − 22.5
(+9−22=1)
29.7%
9.5 / 32
0.0%
−108
45.5%
1994
1.16
907
0 0 = 1 1 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 1 0 0 0 0 0 1 1 0 0 0 0
–   Robin 0.9831834+20
−20		(+67)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
−47
43.8%
2272
1.40
996
0 1 = 0 0 0 1 0 0 0 = 0 0 1 1 0 1 1 0 0 0 0 1 = 1 0 0 0 0 1 1 0
–   Elf 1.3.01820+18
−18		(+53)12 − 20
(+11−19=2)
37.5%
12.0 / 32
0.0%
−51
47.8%
2514
1.24
1202
1 1 0 0 0 0 0 = 1 1 1 1 0 1 0 0 0 0 0 0 1 0 0 1 = 1 0 0 0 0 1 0
–   Laurifer 1.01815+18
−18		(+48)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
0.0%
+36
48.7%
1821
1.59
886
= = 1 0 0 = 0 1 1 1 0 0 1 0 1 1 = 0 1 0 1 = 0 1 1 1 0 0 0 1 0 0
–   Kanguruh 1.931806+22
−22		(+39)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.2%
+62
46.3%
1981
1.41
917
1 1 1 0 = = 0 0 1 1 1 0 1 0 = 0 1 = 0 1 1 1 0 0 1 1 0 1 = 0 0 =
–   Aldebaran 0.7.01794+19
−19		(+27)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
1.4%
+55
48.5%
1620
1.76
785
1 = 1 = 0 = = = 0 1 0 0 = 1 0 1 0 0 = 1 = 1 0 1 = = = 1 1 = 1 =
–   Adamant 1.71790+19
−19		(+23)15.5 − 16.5
(+15−16=1)
48.4%
15.5 / 32
2.8%
+8
52.5%
2765
1.45
1452
0 1 1 1 0 0 1 1 0 1 = 1 0 0 0 1 0 0 1 1 1 0 0 0 1 1 0 0 1 0 1 0
–   SEE 0.6.91781+21
−21		(+14)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
14.1%
+70
47.0%
2381
1.50
1118
0 = 1 0 0 1 0 = 1 = = 0 0 1 = 1 = 1 1 1 1 1 0 0 0 1 = 1 1 0 1 1
–   Belzebub 0.671744+22
−22		(−23)15 − 17
(+11−13=8)
46.9%
15.0 / 32
96.0%
−41
46.0%
2174
2.06
999
0 0 1 0 = 0 1 0 = 1 0 1 1 0 = 1 = 0 1 0 1 1 = = 0 0 = 0 = 0 1 1
–   ALChess 1.5b1729+22
−22		(−38)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
99.8%
−48
49.3%
2061
1.64
1017
1 1 0 = = 0 0 0 1 0 = 1 0 1 1 1 0 = = = 0 1 0 0 = 1 = 0 0 1 1 =
–   IQ23 0031716+23
−23		(−51)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
+21
41.8%
1130
1.29
472
1 0 0 1 = 1 1 = = 0 1 = 1 0 = 1 = = = 1 0 = 1 = 1 1 1 = 0 1 1 0
–   Rainman 0.7.51687+24
−24		(−80)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+41
45.5%
1840
1.64
837
1 = = 0 = 1 1 1 1 1 1 1 1 1 0 1 1 1 = 0 0 1 = 1 = 1 0 = = 1 = 0
–   Storm 0.61673+25
−25		(−94)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
−32
42.4%
1793
1.55
761
1 1 1 1 0 = 1 1 1 0 1 0 0 0 0 1 1 = 0 1 0 0 1 0 1 = 0 1 1 1 0 1
–   Zotron 4.4.61669+24
−24		(−98)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+45
41.2%
2162
1.94
891
0 1 1 0 = 1 1 = 1 1 = 1 = 1 1 = 1 = 1 = 0 1 1 = 0 1 1 0 1 1 1 =
–   Needle 0.53.11648+25
−25		(−119)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
−21
47.0%
1875
1.69
881
= 1 1 1 = 1 0 = = 1 1 1 1 1 1 = 1 0 0 0 1 1 0 1 0 = = 1 0 1 = =
–   Exacto 0.d1607+26
−26		(−160)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
100.0%
−75
39.7%
1991
1.94
790
1 = 1 0 1 = 1 0 1 1 0 1 1 0 1 1 0 0 = = 1 0 1 1 1 0 1 1 1 0 = 0
–   Piranha 0.51574+28
−28		(−193)24.5 − 7.5
(+22−5=5)
76.6%
24.5 / 32
100.0%
+15
45.9%
2186
1.29
1004
1 1 1 = = 1 0 1 1 = 1 1 1 = 1 0 1 1 0 1 1 1 1 = 1 1 0 1 1 1 0 1
–   ChessterfieldCL i5a JA1546+29
−29		(−221)24.5 − 7.5
(+22−5=5)
76.6%
24.5 / 32
100.0%
−10
38.6%
2269
1.86
875
1 1 1 1 1 1 = = 1 1 1 = 0 1 = 0 1 1 1 0 1 1 1 1 1 1 = 1 0 1 1 0
–   MiniMardi 1.31503+33
−33		(−264)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+10
43.4%
994
1.69
431
1 1 1 1 1 = 1 1 0 = = = 1 1 1 1 1 1 = = 1 1 1 1 1 0 1 1 1 1 1 1
1344 games in total: 405 wins, 715 losses, 224 draws (16.7%), score: 38.5%
Average opponent: +95.9 (1862.9), average distance to opponent: 159.7

Performance

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

Perf = C − 0.003 [±0.117] * 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