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
Ranita 2.4 WB#163  (1907+20
−20		)Quote
Author: Jean-Yves Lallemand (France) Released: 2003-09-21Link: RWBC
This engine is stable and runs without issues.
This is the only Ranita version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   SSEChessII 2.05 DC2049+17
−17		(+142)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
+8
56.8%
2454
1.43
1395
0 0 0 0 = 0 0 0 0 = 0 0 1 0 = 1 1 0 = 0 1 0 = 0 0 0 1 = 1 0 = =
–   Faile 1.4.42042+15
−15		(+135)4.5 − 27.5
(+3−26=3)
14.1%
4.5 / 32
0.0%
−185
59.5%
2839
0.56
1689
0 0 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 0 0
–   Smash 1.0.32036+17
−17		(+129)6.5 − 25.5
(+4−23=5)
20.3%
6.5 / 32
0.0%
−108
56.6%
2696
1.02
1527
0 = 0 0 0 0 0 0 0 0 1 0 = 0 1 0 0 0 = = 1 0 0 0 0 0 0 0 = 0 0 1
–   Micro-Max 4.8 PIV DM2028+17
−17		(+121)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−13
78.5%
2606
0.92
2047
= 0 0 0 1 = 0 1 = 1 0 0 = 0 = 0 0 = 0 = 1 0 0 0 0 0 = 1 1 0 0 0
–   Sharper 0.172022+16
−16		(+115)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.0%
+90
54.7%
2548
0.81
1395
= 0 1 0 0 0 1 1 1 0 0 0 1 1 1 1 0 0 1 0 0 1 1 = 0 = 0 0 = 1 1 0
–   Mustang 4.972021+17
−17		(+114)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
+6
57.6%
1872
0.87
1078
0 0 0 0 1 1 1 0 = = 0 = = 0 = 1 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 0
–   Rival UCI 1.182021+17
−17		(+114)10.5 − 21.5
(+9−20=3)
32.8%
10.5 / 32
0.0%
−26
57.8%
2470
1.02
1427
0 0 1 0 0 1 = 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 = 0 0 = 1 1 0 0 1 1
–   BibiChess 0.52007+16
−16		(+100)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−55
  
1 0 1 0 0 = 0 = = 0 1 0 0 0 0 = 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 =
–   IACH 0.56z1995+18
−18		(+88)8.5 − 23.5
(+7−22=3)
26.6%
8.5 / 32
0.0%
−105
67.6%
2478
1.23
1676
0 = = 0 0 0 0 1 1 = 0 0 1 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0
–   Heracles 0.6.161993+19
−19		(+86)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.0%
−17
59.3%
2427
1.09
1439
= 0 = 0 0 1 0 0 1 0 0 = = 1 1 = 0 = 1 1 0 0 0 0 0 1 0 0 = 1 0 0
–   Clueless 1.41990+18
−18		(+83)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−84
55.0%
2184
1.31
1202
0 0 = 0 0 1 0 1 1 1 0 0 0 = = 0 = 0 0 0 1 0 0 0 = 0 0 0 0 0 = 1
–   Warrior 1.0.31987+17
−17		(+80)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+35
60.5%
2404
0.67
1454
0 0 = 1 1 = 1 0 0 1 0 1 = 1 0 0 1 1 0 0 = = 0 0 = 0 0 = 1 = 1 0
–   Morphy 3.221974+17
−17		(+67)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−44
55.5%
1920
3.78
1065
0 = 0 = = 0 0 0 0 0 = 0 0 1 = = 0 1 0 0 1 0 1 1 1 1 0 0 0 = = 0
–   Eagle 0.7.51973+20
−20		(+66)16 − 16
(+14−14=4)
50.0%
16.0 / 32
0.0%
+64
52.1%
2265
1.26
1181
1 0 1 0 1 = = 0 0 1 0 1 0 0 1 0 = 1 = 1 0 0 0 0 1 1 1 0 1 1 1 0
–   SnailChess 4.0131973+19
−19		(+66)17 − 15
(+13−11=8)
53.1%
17.0 / 32
0.0%
+89
82.2%
1991
2.00
1636
1 0 1 = 0 0 0 0 0 0 0 1 1 = 1 0 = = 1 = = = 1 1 = 1 0 0 1 1 1 1
–   Celes 0.77c1921+20
−20		(+14)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
14.0%
+24
61.6%
1865
1.29
1149
= 0 0 1 = 1 0 0 1 0 = 1 = 0 0 = 1 0 0 1 1 1 1 = 1 = 1 0 = = 1 0
–   Simontacchi 1.811915+20
−20		(+8)13 − 19
(+12−18=2)
40.6%
13.0 / 32
28.1%
−70
60.9%
2502
0.57
1523
0 1 1 0 1 1 0 0 1 1 0 0 1 0 0 1 0 0 0 0 1 0 1 1 = 0 0 = 0 0 0 1
–   Cecir 3.51885+19
−19		(−22)16 − 16
(+15−15=2)
50.0%
16.0 / 32
95.6%
−23
56.8%
2471
0.83
1403
0 0 1 0 0 1 1 1 1 1 0 1 0 1 0 1 = 0 = 1 1 0 0 0 1 0 1 0 1 0 1 0
–   Enigma 1.1.41879+21
−21		(−28)16 − 16
(+13−13=6)
50.0%
16.0 / 32
98.1%
−25
52.0%
1941
1.33
1009
0 0 1 1 0 0 0 = 0 = 1 0 1 1 1 1 1 1 0 = 1 = 0 0 = 0 1 1 0 1 0 =
–   Soldat 0.25b1873+17
−17		(−34)22 − 10
(+20−8=4)
68.8%
22.0 / 32
99.7%
+115
56.3%
2631
0.64
1481
= 1 1 1 0 1 0 1 1 1 1 1 1 1 = = 0 1 1 1 = 1 0 0 1 0 0 0 1 1 1 1
–   Grizzly 1.40.1b1837+20
−20		(−70)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+27
51.9%
1547
0.64
803
0 0 = 1 1 = = 1 1 1 0 1 = = 1 0 1 1 0 = = 1 = 1 1 0 1 1 1 1 0 =
–   Robin 0.9831834+20
−20		(−73)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+44
54.7%
2790
0.66
1525
1 0 = 0 1 = 0 1 = = 1 1 1 0 = 1 0 1 1 = 1 1 0 1 0 1 1 1 1 1 1 0
–   Elf 1.3.01820+18
−18		(−87)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
−12
68.0%
2597
0.43
1766
0 1 1 0 1 1 0 0 0 1 1 1 1 0 1 1 = 0 0 1 1 1 = 1 0 1 1 0 1 0 = =
–   Laurifer 1.01815+18
−18		(−92)16 − 16
(+13−13=6)
50.0%
16.0 / 32
100.0%
−93
58.8%
1714
1.08
1008
= 0 0 0 1 1 1 0 = 0 0 0 = 1 1 0 1 1 0 0 1 0 = = 1 0 1 1 0 = 1 1
–   Kanguruh 1.931806+22
−22		(−101)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+64
55.7%
2505
0.88
1395
= = 0 0 1 0 = 1 1 1 1 1 0 = 1 1 1 1 1 0 1 1 0 1 = 1 1 1 1 1 1 =
–   Aldebaran 0.7.01794+19
−19		(−113)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
+15
59.8%
2006
0.65
1199
= 1 0 = 1 1 1 0 = 1 1 1 1 1 1 = 1 0 1 = 1 = 1 1 0 = 1 0 = = = 1
–   Adamant 1.71790+19
−19		(−117)23 − 9
(+22−8=2)
71.9%
23.0 / 32
100.0%
+68
66.9%
2673
0.44
1787
1 1 1 0 1 0 = 1 = 1 1 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 1 0 0 1 1 0
–   SEE 0.6.91781+21
−21		(−126)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
+66
52.3%
2556
0.90
1336
0 1 0 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 = 1 1 1 = 1 = 1 1 0 0 1 0 1
–   Mizar 3.01767+20
−20		(−140)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
0
51.7%
1977
1.34
1022
= 0 1 0 1 1 1 1 0 1 1 1 1 = = 1 = 1 1 0 = 1 0 1 1 1 1 1 0 1 0 =
–   Belzebub 0.671744+22
−22		(−163)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
+42
51.7%
1963
1.20
1015
1 1 0 = 1 1 0 1 1 1 1 1 = 1 1 1 1 1 = 0 = 1 = = 1 1 1 = = 1 1 1
–   ALChess 1.5b1729+22
−22		(−178)26 − 6
(+24−4=4)
81.3%
26.0 / 32
100.0%
+84
57.5%
2552
0.63
1467
1 1 0 1 1 1 1 = 1 0 1 1 1 = 1 = 1 = 0 1 1 1 1 1 1 0 1 1 1 1 1 1
–   IQ23 0031716+23
−23		(−191)26 − 6
(+21−1=10)
81.3%
26.0 / 32
100.0%
+27
53.6%
1196
0.52
641
= 1 1 1 1 = 1 = 1 1 = = 1 1 1 1 = = 1 = 1 1 1 1 = 1 = 1 1 0 1 1
–   Rainman 0.7.51687+24
−24		(−220)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
−116
54.0%
2037
0.79
1100
1 0 1 1 1 = 1 1 = 1 = 0 1 1 = 0 1 0 1 1 = 1 0 1 1 0 0 = 1 1 0 =
–   Storm 0.61673+25
−25		(−234)26.5 − 5.5
(+24−3=5)
82.8%
26.5 / 32
100.0%
+34
58.8%
1722
0.59
1012
1 0 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 = 1 = 1 1 1 1 = = 1 1 1 1 =
–   Zotron 4.4.61669+24
−24		(−238)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+35
48.4%
2232
0.92
1080
1 = 0 1 = 1 1 1 1 = 1 1 1 1 1 1 = 1 = = 1 1 1 1 1 1 1 0 1 1 1 1
1120 games in total: 488 wins, 429 losses, 203 draws (18.1%), score: 52.6%
Average opponent: −20.0 (1887), average distance to opponent: 107.3

Performance

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

Perf = C − 0.171 [±0.184] * 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