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
Rival UCI 1.18 UCI#151–152  (2021+17
−17
)Quote
Author: Chris Moreton (United Kingdom) Released: 2007-01-02Link: Homepage
This engine is stable and runs without issues.
This is the only Rival version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Uragano 3D 0.872174+16
−16
(+153)9 − 23
(+8−22=2)
28.1%
9.0 / 32
0.0%
−33
54.8%
2798
0.75
1534
0 0 0 0 0 1 1 0 0 0 0 0 = 1 1 0 0 0 0 0 0 1 1 0 0 = 0 1 1 0 0 0
–   Matheus 2.32144+15
−15
(+123)9 − 23
(+5−19=8)
28.1%
9.0 / 32
0.0%
−32
52.4%
2452
0.80
1284
= = 0 0 0 = 1 1 0 0 0 0 = 0 0 0 0 0 0 = 0 0 0 0 = 0 1 1 = 0 = 1
–   Bodo 0.2b2137+15
−15
(+116)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+40
52.9%
1548
0.62
819
0 0 1 = 0 1 0 1 = 0 0 = 1 0 0 = 1 0 = 0 = 1 = 0 0 = 1 1 0 0 = 0
–   Monarch 1.72131+16
−16
(+110)9 − 23
(+5−19=8)
28.1%
9.0 / 32
0.0%
−48
48.0%
2737
1.06
1314
= 0 0 = 0 0 0 1 0 = 1 = 0 = 0 0 = 0 0 1 0 0 0 0 1 = 0 = 1 0 0 0
–   Bestia 0.902122+15
−15
(+101)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−15
53.8%
2518
1.03
1354
1 0 = 0 0 0 0 = = = 1 0 0 1 0 0 0 = 0 1 0 0 0 = 0 0 1 1 0 1 0 1
–   Ax 0.82119+15
−15
(+98)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−43
  
= 0 0 0 0 0 1 1 0 1 1 0 = 0 0 = 1 = 0 = 0 0 1 0 0 0 = 1 0 0 0 0
–   Gerbil 02 64-bit JA2118+18
−18
(+97)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+7
50.4%
2116
1.06
1066
0 0 0 1 0 = 0 0 0 1 0 0 1 = 1 0 0 1 = = 0 0 = = 0 1 = 1 0 0 1 =
–   BigLion 2.23x2117+17
−17
(+96)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
+12
51.8%
2685
0.64
1392
1 = 1 1 1 0 0 0 1 0 0 1 = 0 1 0 1 0 = 0 1 1 0 = = 0 0 0 0 0 0 0
–   RDChess 3.232117+16
−16
(+96)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+41
54.5%
2134
1.23
1163
1 = 0 = 1 0 1 0 0 0 1 0 1 1 0 = 0 0 0 0 = 0 0 1 1 = 0 0 = 1 1 =
–   DelphiMax 2.92102+16
−16
(+81)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−30
52.7%
2298
1.07
1212
0 = 0 0 = 1 0 0 0 1 0 0 1 = = 1 = 1 0 0 = = 0 0 0 0 0 1 0 = 1 0
–   Armageddon 2.3082098+17
−17
(+77)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+2
50.4%
2706
1.06
1364
0 1 0 0 0 0 1 0 = = 0 1 0 0 = = 0 1 = 0 0 0 = = 0 1 0 1 = 1 1 =
–   Requiem 0.532084+15
−15
(+63)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
0.0%
+32
58.1%
1404
0.56
816
1 0 0 0 0 = 1 0 1 = = = 0 1 0 1 0 0 = = 0 0 = = 1 = = = 1 = = 1
–   Small Potato 0.6.12082+16
−16
(+61)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+3
50.9%
2247
0.81
1144
1 0 = = = 0 0 1 1 0 0 0 1 = 0 1 1 0 = 0 1 1 0 1 0 1 0 0 0 = = 0
–   Elephant 1.062075+16
−16
(+54)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
−61
52.9%
2533
0.80
1341
= 0 1 1 = 0 0 0 = 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0
–   La Dame Blanche 2.0c2070+19
−19
(+49)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−68
49.8%
1886
1.23
939
0 0 0 0 = 0 0 0 = 0 = 0 0 0 0 0 1 0 1 = 1 = 0 0 0 0 1 1 1 1 1 =
–   Cilian 4.142069+16
−16
(+48)6.5 − 25.5
(+4−23=5)
20.3%
6.5 / 32
0.0%
−188
  
0 = 0 0 0 0 1 = 1 0 0 0 0 1 0 = 0 = 0 0 0 0 0 0 0 0 = 0 1 0 0 0
–   Etude 0.1.22063+19
−19
(+42)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
−11
52.6%
1979
0.77
1040
1 = = 1 0 0 0 1 0 0 0 0 = = 0 0 0 1 1 0 = 1 = 1 0 = 1 = = 1 0 0
–   Gullydeckel 2.16pl12062+19
−19
(+41)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
−6
51.6%
3320
0.76
1714
0 1 0 1 0 1 0 1 1 0 1 0 = 0 = = 0 0 1 0 0 1 1 1 = 1 1 0 0 0 0 0
–   JanWillem 1.132062+16
−16
(+41)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
−2
54.9%
2438
1.02
1339
= 1 = = 1 = 0 0 = 1 0 0 0 1 0 = = 1 1 1 0 = 1 0 0 0 0 0 0 0 1 1
–   Marvin 1.3.02054+16
−16
(+33)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.1%
−28
56.8%
2609
0.72
1483
1 = = 1 0 0 0 0 0 1 0 0 = 0 1 1 0 1 1 0 1 0 = 0 0 1 0 0 1 1 = 0
–   Matant 5.042053+17
−17
(+32)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
0.2%
+69
49.4%
1983
1.02
980
1 = 1 1 1 0 0 0 = 1 0 1 0 = 0 0 1 0 0 1 1 1 1 1 0 1 = 1 1 0 0 =
–   SSEChessII 2.05 DC2049+17
−17
(+28)19 − 13
(+15−9=8)
59.4%
19.0 / 32
0.6%
+96
53.0%
2491
1.18
1321
0 0 1 0 1 = 0 = 1 = 0 1 0 = 1 1 1 1 1 1 1 1 0 = 1 1 = 0 = = 1 0
–   Faile 1.4.42042+15
−15
(+21)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
2.3%
−14
53.6%
2555
0.71
1370
0 = = 1 0 = 0 0 0 1 0 1 = = 0 1 1 1 0 = 1 0 0 0 0 0 1 1 0 = 1 1
–   Smash 1.0.32036+17
−17
(+15)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
8.4%
−42
56.2%
2134
0.70
1200
= 1 = 0 0 1 0 1 0 0 = 1 1 = 0 = 1 1 0 1 = 0 0 = 1 0 0 0 0 0 1 0
–   Micro-Max 4.8 PIV DM2028+17
−17
(+7)16 − 16
(+12−12=8)
50.0%
16.0 / 32
25.7%
+9
75.2%
2659
1.14
1999
= 1 1 1 0 1 1 0 1 = = 1 0 1 = 0 1 0 0 0 = 1 1 0 0 0 = = 1 0 = 0
–   Sharper 0.172022+16
−16
(+1)15 − 17
(+13−15=4)
46.9%
15.0 / 32
46.9%
−24
47.6%
3436
0.80
1637
0 0 = 1 = 1 1 0 1 = 0 0 0 0 1 1 0 0 1 1 0 1 0 0 = 0 1 1 1 0 1 0
–   Mustang 4.972021+17
−17
(0)14 − 18
(+10−14=8)
43.8%
14.0 / 32
50.3%
−43
50.9%
1744
0.81
888
= 1 0 1 0 1 = = 0 1 = 1 0 = 0 0 0 1 1 0 0 = = 0 1 0 0 = 1 1 0 0
–   BibiChess 0.52007+16
−16
(−14)17 − 15
(+14−12=6)
53.1%
17.0 / 32
90.2%
+11
  
1 1 0 1 1 1 1 1 0 0 = = 1 0 0 0 0 = 1 = 0 1 1 = 0 0 1 = 0 1 1 0
–   IACH 0.56z1995+18
−18
(−26)24 − 8
(+22−6=4)
75.0%
24.0 / 32
98.9%
+176
64.1%
2391
1.36
1533
1 0 1 1 1 0 1 0 0 1 1 = = 0 1 1 1 1 1 1 1 1 1 1 1 1 0 = 1 = 1 1
–   Heracles 0.6.161993+19
−19
(−28)18 − 14
(+15−11=6)
56.3%
18.0 / 32
99.0%
+20
53.6%
2772
0.90
1486
1 0 1 1 = 0 = = 1 0 1 1 1 1 = 0 1 0 1 1 1 1 0 0 = 0 = 0 0 1 0 1
–   Clueless 1.41990+18
−18
(−31)22.5 − 9.5
(+22−9=1)
70.3%
22.5 / 32
99.6%
+147
50.6%
2596
1.11
1313
1 1 1 0 1 0 1 0 0 = 1 1 1 1 0 1 0 0 1 0 1 1 1 1 1 1 0 1 1 1 1 1
–   Warrior 1.0.31987+17
−17
(−34)16 − 16
(+13−13=6)
50.0%
16.0 / 32
99.9%
−31
53.2%
2429
0.83
1292
1 0 1 0 1 = 0 1 0 = 0 0 0 1 = 1 1 0 1 = 1 = 0 = 0 1 1 1 0 0 1 0
–   Morphy 3.221974+17
−17
(−47)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+69
52.5%
2692
3.92
1412
1 = 1 1 1 0 = 0 1 = = 1 1 1 1 0 1 = 0 0 1 1 0 1 = 1 1 1 1 0 1 0
–   Eagle 0.7.51973+20
−20
(−48)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−61
48.9%
2426
1.01
1186
0 0 1 = 1 0 0 0 1 1 1 1 0 0 = 1 = 1 = 1 0 0 1 0 0 0 1 1 = 1 0 0
–   SnailChess 4.0131973+19
−19
(−48)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−12
77.2%
2057
2.21
1589
1 = 0 = 1 1 0 1 0 1 0 0 1 0 1 1 = 1 0 1 0 1 = 0 1 = 1 0 1 1 0 0
–   Celes 0.77c1921+20
−20
(−100)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−25
52.8%
2161
1.40
1140
0 0 = 0 = = 1 = 1 1 0 1 1 = 1 1 1 = 1 1 1 = 1 1 1 0 0 0 0 = = 1
–   Simontacchi 1.811915+20
−20
(−106)21.5 − 10.5
(+21−10=1)
67.2%
21.5 / 32
100.0%
+44
52.1%
2210
0.91
1152
1 1 1 0 0 0 1 1 1 1 1 0 1 0 1 1 = 1 0 1 1 0 0 0 0 1 1 1 1 1 1 1
–   Ranita 2.41907+20
−20
(−114)21.5 − 10.5
(+20−9=3)
67.2%
21.5 / 32
100.0%
+26
57.8%
2470
1.02
1427
1 1 0 1 1 0 = 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 = 1 1 = 0 0 1 1 0 0
–   Cecir 3.51885+19
−19
(−136)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
−19
50.5%
2180
0.95
1101
0 0 1 = 1 1 1 = 1 1 = 1 0 = 0 1 0 0 1 1 0 1 1 1 1 1 = 1 0 1 = 1
–   Enigma 1.1.41879+21
−21
(−142)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
−29
46.7%
1720
1.11
804
1 1 = 1 1 = 0 1 0 = 0 1 1 1 = = = 1 1 = = 1 1 1 = 0 1 = 0 1 1 =
–   Soldat 0.25b1873+17
−17
(−148)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
−40
51.5%
2367
0.87
1220
0 1 0 1 1 1 1 1 1 = 1 1 1 1 = 0 1 0 = 0 1 1 0 0 1 1 1 0 1 0 = =
–   Grizzly 1.40.1b1837+20
−20
(−184)26 − 6
(+24−4=4)
81.3%
26.0 / 32
100.0%
+76
47.4%
1862
0.82
882
1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1 1 1 1 0 = 1 1 = = 1 1 1 0 1 1 0
–   Robin 0.9831834+20
−20
(−187)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+58
47.2%
2282
1.03
1076
= = 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
–   Elf 1.3.01820+18
−18
(−201)25.5 − 6.5
(+24−5=3)
79.7%
25.5 / 32
100.0%
+51
51.6%
2761
0.88
1425
1 1 1 0 1 0 1 0 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = 0 1 1 1 1 1 = 1 0
–   Laurifer 1.01815+18
−18
(−206)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
−14
52.5%
1959
0.89
1029
= 0 1 = 1 1 1 1 = 1 0 1 1 1 1 1 1 = 0 1 1 0 1 1 = 1 1 = 1 1 0 1
–   Aldebaran 0.7.01794+19
−19
(−227)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+36
51.8%
1948
1.20
1009
= 1 1 1 1 1 1 1 = = = = 1 1 1 = 1 1 1 1 1 = 1 = 1 1 = 1 1 1 1 1
–   Adamant 1.71790+19
−19
(−231)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
−1
55.3%
2270
0.98
1255
1 1 0 1 = 1 1 1 0 1 1 0 1 1 1 = 1 1 0 = 1 = 1 1 0 1 1 1 1 1 1 1
–   Mizar 3.01767+20
−20
(−254)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
−77
44.8%
2357
1.50
1055
= 0 1 0 1 1 1 1 1 0 1 1 = 1 1 1 0 1 1 = 1 1 = 1 0 1 0 1 1 1 0 1

Performance

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

Perf = C − 0.079 [±0.154] * 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