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
Soldat 0.25b WB#166  (1873+17
−17		)Quote
Author: Marco Giusfredi (Italy) Released: 2002-09-03Link: WBEC
Issues with this engine: Occasional losses on time. It also plays very fast till the first control.
This is the only Soldat version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Gk 0.90 64-bit JA2194+16
−16		(+321)7 − 20
(+4−17=6)
25.9%
7.0 / 27
0.0%
+140
48.4%
1667
0.83
807
= 1 = = 0 0 0 0 1 1 0 0 = 0 0 0 0 0 = 0 0 0 0 1 = 0 0
–   Wing 2.0a2179+16
−16		(+306)3.5 − 23.5
(+1−21=5)
13.0%
3.5 / 27
0.0%
+5
48.2%
1839
1.09
887
0 0 0 0 0 0 0 0 = 0 = = 0 0 0 0 0 0 = = 0 0 0 0 0 0 1
–   Uragano 3D 0.872174+16
−16		(+301)6.5 − 25.5
(+3−22=7)
20.3%
6.5 / 32
0.0%
+77
50.4%
1959
0.72
987
= 0 0 0 0 0 0 0 0 1 0 0 0 0 = 0 0 = 0 1 0 0 0 = 0 0 = = 0 0 1 =
–   Matheus 2.32144+15
−15		(+271)3 − 24
(+3−24=0)
11.1%
3.0 / 27
0.0%
−139
51.6%
2193
0.65
1132
1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0
–   Bodo 0.2b2137+15
−15		(+264)3.5 − 21.5
(+2−20=3)
14.0%
3.5 / 25
0.0%
−48
54.2%
1569
0.54
850
0 = = 0 0 0 0 0 0 = 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0
–   Monarch 1.72131+16
−16		(+258)2.5 − 29.5
(+0−27=5)
7.8%
2.5 / 32
0.0%
−114
48.3%
2139
1.24
1034
0 0 = 0 0 0 0 0 0 = 0 = 0 0 0 0 0 0 0 = 0 0 0 0 = 0 0 0 0 0 0 0
–   Bestia 0.902122+15
−15		(+249)5.5 − 18.5
(+2−15=7)
22.9%
5.5 / 24
0.0%
+60
50.2%
1470
1.11
738
1 0 0 0 = = 0 0 0 0 0 0 0 = 0 = = 0 0 0 0 = 1 =
–   Ax 0.82119+15
−15		(+246)7 − 20
(+4−17=6)
25.9%
7.0 / 27
0.0%
+68
  
= 0 = = 1 0 0 = 0 0 0 = 0 1 0 0 0 1 0 = 0 0 0 0 0 0 1
–   RDChess 3.232117+16
−16		(+244)6 − 26
(+4−24=4)
18.8%
6.0 / 32
0.0%
−17
50.7%
2172
1.26
1102
0 0 0 = 1 1 0 0 0 0 0 0 0 0 0 0 0 = 0 0 = 0 0 0 0 1 0 1 0 = 0 0
–   DelphiMax 2.92102+16
−16		(+229)5 − 18
(+4−17=2)
21.7%
5.0 / 23
0.0%
−11
53.2%
1590
0.75
846
0 1 0 1 0 = 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 =
–   Armageddon 2.3082098+17
−17		(+225)5.5 − 26.5
(+4−25=3)
17.2%
5.5 / 32
0.0%
−61
51.5%
2345
0.92
1207
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 = 0 1 0 0 1 0 0 = =
–   Requiem 0.532084+15
−15		(+211)11 − 21
(+3−13=16)
34.4%
11.0 / 32
0.0%
+118
51.5%
1028
0.56
529
= = = = = = 0 1 1 = = 0 = = 0 = 0 0 0 = 0 = 0 0 = 0 = = 0 1 0 0
–   Small Potato 0.6.12082+16
−16		(+209)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
+16
53.1%
2081
0.64
1104
0 0 0 = 0 0 1 0 = 0 1 = 0 0 0 = 0 1 1 0 0 0 0 0 = 0 0 = 0 0 1 0
–   Elephant 1.062075+16
−16		(+202)9 − 16
(+6−13=6)
36.0%
9.0 / 25
0.0%
+96
47.5%
1463
0.81
695
0 1 0 0 0 0 = = = 1 1 0 0 = = 0 0 1 0 1 0 1 0 = 0
–   Cilian 4.142069+16
−16		(+196)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
+96
  
0 1 0 1 = = = 0 0 0 = 0 0 0 = 0 0 = = 0 0 0 = 0 1 0 = = = 1 1 =
–   JanWillem 1.132062+16
−16		(+189)6 − 19
(+4−17=4)
24.0%
6.0 / 25
0.0%
−19
47.4%
1714
0.94
813
= 0 0 0 1 0 0 0 0 0 0 = 1 0 = 1 1 0 0 0 0 0 0 = 0
–   Marvin 1.3.02054+16
−16		(+181)6.5 − 19.5
(+5−18=3)
25.0%
6.5 / 26
0.0%
−24
56.0%
1695
0.77
950
0 0 0 1 0 1 0 0 = 0 0 0 0 1 1 1 0 = 0 0 0 0 0 0 = 0
–   Matant 5.042053+17
−17		(+180)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
+55
49.0%
1879
0.99
920
1 1 0 0 1 1 1 0 0 0 1 1 0 1 0 0 0 = 1 0 0 0 0 0 0 = = = 0 0 0 0
–   SSEChessII 2.05 DC2049+17
−17		(+176)7.5 − 24.5
(+2−19=11)
23.4%
7.5 / 32
0.0%
−3
50.8%
1734
0.83
881
0 1 0 0 = 0 = 0 0 0 0 0 = = = = 0 = 0 = 0 0 0 0 0 0 0 0 = = 1 =
–   Faile 1.4.42042+15
−15		(+169)8 − 18
(+5−15=6)
30.8%
8.0 / 26
0.0%
+29
55.4%
1758
0.53
974
1 1 0 0 = 1 0 0 0 1 0 = 0 0 = 0 0 = 1 0 0 0 0 0 = =
–   Smash 1.0.32036+17
−17		(+163)4 − 28
(+2−26=4)
12.5%
4.0 / 32
0.0%
−164
51.6%
2179
0.70
1125
0 0 0 0 0 = 0 = 0 0 0 0 0 0 0 0 0 1 0 = 0 0 0 0 0 0 = 0 0 0 0 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(+155)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
+48
73.3%
2050
1.06
1503
0 0 0 1 0 = 0 = 1 0 = = 0 = 0 1 0 = 0 1 = 0 1 0 0 0 = 1 0 0 = =
–   Sharper 0.172022+16
−16		(+149)11 − 14
(+9−12=4)
44.0%
11.0 / 25
0.0%
+103
50.1%
1803
0.64
904
1 0 1 1 = 0 0 1 1 1 = 0 1 0 1 0 0 1 0 0 = = 0 0 0
–   Mustang 4.972021+17
−17		(+148)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+4
51.5%
1650
0.71
850
0 0 0 = 0 0 1 0 0 = = 1 0 1 = = 0 0 0 = = 0 1 0 0 0 1 0 0 = 0 =
–   Rival UCI 1.182021+17
−17		(+148)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+40
51.5%
2367
0.87
1220
1 0 1 0 0 0 0 0 0 = 0 0 0 0 = 1 0 1 = 1 0 0 1 1 0 0 0 1 0 1 = =
–   BibiChess 0.52007+16
−16		(+134)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
+54
  
0 1 = = 1 = = 0 0 0 0 0 1 = 1 1 0 1 0 1 0 1 0 0 0 = 0 1 = 0 0 0
–   IACH 0.56z1995+18
−18		(+122)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+99
59.0%
2161
1.31
1276
1 0 0 0 = = 0 1 1 0 0 1 0 0 1 0 0 1 0 1 = 1 1 = = 1 1 1 0 0 = 0
–   Heracles 0.6.161993+19
−19		(+120)10 − 22
(+5−17=10)
31.3%
10.0 / 32
0.0%
−7
50.8%
1898
0.91
964
0 0 1 0 = = 0 0 = 1 0 0 0 0 0 = = 0 0 = 1 1 1 = 0 0 = 0 = = 0 0
–   Clueless 1.41990+18
−18		(+117)8 − 24
(+6−22=4)
25.0%
8.0 / 32
0.0%
−85
49.8%
2289
1.03
1141
1 1 1 0 0 1 = 0 0 0 0 0 0 = 0 0 0 0 0 = 0 0 0 0 = 1 0 0 1 0 0 0
–   Warrior 1.0.31987+17
−17		(+114)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−5
50.3%
1932
0.61
972
0 0 1 = 1 1 0 0 0 = 0 1 0 0 0 1 = 0 = = = = 0 0 0 0 1 0 = 0 0 =
–   Morphy 3.221974+17
−17		(+101)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−49
51.7%
2233
3.10
1155
0 1 0 0 1 0 1 0 0 = = 0 0 0 0 1 0 0 0 = 1 0 = 0 1 0 0 0 0 = = =
–   Eagle 0.7.51973+20
−20		(+100)12.5 − 19.5
(+11−18=3)
39.1%
12.5 / 32
0.0%
+11
44.6%
2474
1.10
1103
1 = 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 1 1 = 0 1 1 0 1 0 0 = 0
–   SnailChess 4.0131973+19
−19		(+100)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−40
74.0%
1693
1.93
1253
0 1 0 = 0 1 0 0 0 = 0 0 = = 0 0 0 0 0 1 0 1 0 0 0 0 = 1 1 0 = 1
–   Celes 0.77c1921+20
−20		(+48)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
0.0%
+37
48.5%
1904
1.20
924
1 1 = = 0 = 0 1 0 1 0 1 = 0 0 0 0 0 0 0 = 0 1 1 1 = = = = 1 1 1
–   Simontacchi 1.811915+20
−20		(+42)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.0%
−28
50.3%
2027
0.75
1020
0 0 0 = 0 0 1 1 1 1 1 0 0 = = 1 0 = = 0 0 = 1 1 0 0 0 1 1 0 0 0
–   Ranita 2.41907+20
−20		(+34)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.3%
−115
56.3%
2631
0.64
1481
= 0 0 0 1 0 1 0 0 0 0 0 0 0 = = 1 0 0 0 = 0 1 1 0 1 1 1 0 0 0 0
–   Cecir 3.51885+19
−19		(+12)19 − 13
(+15−9=8)
59.4%
19.0 / 32
15.1%
+76
49.8%
2241
0.80
1116
1 0 = 0 1 = 1 0 = = 1 1 = 1 1 1 1 = 1 1 1 1 = 0 1 0 = 0 1 0 0 0
–   Enigma 1.1.41879+21
−21		(+6)14 − 18
(+11−15=6)
43.8%
14.0 / 32
29.4%
−40
45.4%
2306
1.30
1046
0 = = 0 = 1 0 1 0 0 0 0 1 1 1 1 0 = 0 1 0 0 0 0 = 0 0 1 1 = 1 1
–   Grizzly 1.40.1b1837+20
−20		(−36)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
99.9%
−90
50.9%
1425
0.56
725
0 0 = = = 0 0 0 0 = = = 1 0 1 0 0 0 1 = 0 = 1 1 0 1 1 1 = 0 0 1
–   Robin 0.9831834+20
−20		(−39)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.9%
+28
48.6%
2011
0.61
977
1 1 = 0 1 1 1 0 = 1 0 0 1 = 1 0 = 0 1 1 1 0 1 0 1 1 0 1 = = = =
–   Elf 1.3.01820+18
−18		(−53)10 − 18
(+7−15=6)
35.7%
10.0 / 28
100.0%
−154
55.2%
1886
0.81
1042
1 = 0 = 1 0 0 0 1 1 1 0 0 = 1 0 0 1 0 0 0 0 0 = = 0 0 =
–   Laurifer 1.01815+18
−18		(−58)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+35
56.3%
1820
0.87
1025
1 1 0 1 1 1 0 1 0 0 1 1 1 = = 0 1 0 = = 0 0 1 = 1 1 = 1 0 1 1 1
–   Kanguruh 1.931806+22
−22		(−67)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
100.0%
−35
52.6%
1891
0.91
994
1 = = = 1 1 = 1 = 1 0 1 0 1 0 0 1 0 0 = = 0 = = = 1 1 = 0 1 1 0
–   Aldebaran 0.7.01794+19
−19		(−79)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
+34
54.1%
1190
0.90
644
= 1 1 0 = = = = 1 1 = 1 = 0 = = 1 1 1 1 1 1 = 1 = 1 = = = = = 1
–   Adamant 1.71790+19
−19		(−83)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−29
56.2%
1864
0.60
1048
1 = 0 1 1 1 = 1 1 0 1 0 1 = 0 1 0 0 1 = = 1 1 0 = 1 = 1 0 = = 0
–   SEE 0.6.91781+21
−21		(−92)21 − 11
(+16−6=10)
65.6%
21.0 / 32
100.0%
+11
49.0%
1955
1.05
958
0 = 1 = 1 0 1 = 1 0 1 = = = 1 = 1 0 0 1 1 = 1 0 1 = = 1 1 1 1 1
–   Mizar 3.01767+20
−20		(−106)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
−11
45.7%
1647
1.43
752
0 1 = = 1 = = 1 = 0 = 1 1 1 = 0 1 1 0 = 0 0 1 1 = = 1 1 1 1 = 1
–   Belzebub 0.671744+22
−22		(−129)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
+27
47.3%
2027
1.54
959
1 = 1 1 1 1 1 = 0 1 1 1 1 0 1 1 = = = = 0 1 1 1 1 0 1 0 1 1 = =
–   ALChess 1.5b1729+22
−22		(−144)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
−9
49.8%
1394
0.72
694
1 1 = 1 0 1 = 1 1 = 1 = 1 1 1 0 1 1 = 1 0 = 1 0 = 1 = 1 1 1 0 0
–   IQ23 0031716+23
−23		(−157)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
100.0%
−74
46.9%
772
0.73
362
1 0 1 = 1 = = 1 = 1 1 = = = 0 1 = 1 0 = 1 = 1 = 0 = 1 = 1 = = 1
–   Rainman 0.7.51687+24
−24		(−186)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
−20
47.7%
1908
0.87
911
= 1 1 = 1 1 0 1 = 1 0 0 1 = = 1 = = 1 1 1 1 1 1 = = 0 1 1 1 1 1
–   Storm 0.61673+25
−25		(−200)26 − 6
(+24−4=4)
81.3%
26.0 / 32
100.0%
+62
49.6%
1651
0.94
819
= 1 0 1 1 1 = 1 1 1 1 1 = 0 1 0 1 1 1 1 1 1 1 1 1 1 1 0 = 1 1 1
–   Zotron 4.4.61669+24
−24		(−204)24.5 − 7.5
(+22−5=5)
76.6%
24.5 / 32
100.0%
+5
42.7%
1795
1.02
767
1 1 = 1 1 1 0 1 1 1 0 0 1 1 1 = 1 1 1 = 1 1 = 1 1 1 0 1 = 1 0 1
–   Needle 0.53.11648+25
−25		(−225)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−91
53.6%
1565
0.73
839
1 1 1 1 = 1 1 1 = = = = 1 1 1 = 0 = 0 1 1 = 1 1 = = 1 1 0 0 1 =
–   Exacto 0.d1607+26
−26		(−266)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
−68
42.9%
948
1.20
407
1 1 0 0 1 1 0 1 1 1 1 = = = = 1 = 0 1 1 = 1 1 1 1 1 = 1 1 1 1 1
–   Piranha 0.51574+28
−28		(−299)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+20
48.2%
1963
0.62
946
1 1 0 1 1 1 = 1 1 1 0 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 0 1 1 1 1 1
1711 games in total: 521 wins, 801 losses, 389 draws (22.7%), score: 41.8%
Average opponent: +65.0 (1938), average distance to opponent: 155.4

Performance

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

Perf = C + 0.083 [±0.109] * 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