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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WildCat 7 WB (2718+19
−19
)Quote
Author: Igor Korshunov (Belarus) Released: 2006-11-16Link: Homepage
This engine is stable and runs without issues.
This is one of the 2 WildCat versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fruit 2.3 32-bit2888+23
−23
(+170)10 − 14
(+7−11=6)
41.7%
10.0 / 24
0.0%
+112
55.9%
1844
0.58
1030
= 0 1 1 = = 0 1 1 0 0 = 0 0 1 0 1 0 0 1 = = 0 0
–   Spike 1.2 Turin2842+23
−23
(+124)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
+23
60.0%
1677
0.69
1007
0 0 = 0 0 0 0 = = 1 0 = 1 0 1 0 = = 1 0 = = 1 0 = 0 = = 0 = 0 0
–   Glaurung 2.0.1 64-bit2838+23
−23
(+120)6.5 − 17.5
(+4−15=5)
27.1%
6.5 / 24
0.0%
−50
56.6%
1833
0.92
1037
0 = 0 1 0 0 0 0 0 = 0 0 0 = 0 1 1 0 = 0 = 1 0 0
–   Frenzee Feb08 64-bit2810+24
−24
(+92)16 − 16
(+12−12=8)
50.0%
16.0 / 32
0.0%
+92
55.0%
2290
0.81
1259
0 0 0 0 1 0 1 0 0 = 1 1 = 1 = = 1 = 0 1 1 1 = 0 0 1 1 0 0 1 = =
–   Naum 2.0 64-bit2793+21
−21
(+75)10.5 − 21.5
(+9−20=3)
32.8%
10.5 / 32
0.0%
−65
57.9%
2711
0.60
1569
1 = 0 1 0 0 0 = 1 0 0 1 0 0 0 1 0 0 1 1 1 0 0 0 = 0 0 1 0 0 0 0
–   Bright 0.2c2786+23
−23
(+68)11 − 16
(+7−12=8)
40.7%
11.0 / 27
0.0%
+4
57.8%
1841
0.72
1064
0 = 0 0 0 0 1 = 0 1 0 = 0 1 1 = 0 = 1 1 0 0 = 0 1 = =
–   Naum 2.0 32-bit2777+26
−26
(+59)14.5 − 16.5
(+6−8=17)
46.8%
14.5 / 31
0.0%
+38
57.9%
1378
0.52
798
= = = 0 1 = 1 0 = 1 1 0 0 = = 0 = 0 = 1 = = 1 = 0 = = = = 0 =
–   Glaurung 1.2.1 64-bit2770+24
−24
(+52)14.5 − 16.5
(+8−10=13)
46.8%
14.5 / 31
0.0%
+29
54.0%
1658
0.69
896
1 = 0 1 = 0 1 = 0 = 0 = = = = 1 1 0 0 1 0 = 1 1 = 0 = 0 = = 0
–   Alaric 7072768+22
−22
(+50)12 − 17
(+8−13=8)
41.4%
12.0 / 29
0.0%
−9
57.8%
2165
0.56
1251
1 0 0 = 1 0 1 1 0 0 0 = = 0 0 1 0 1 0 1 0 = 0 0 = = = = 1
–   Scorpio 2.0 32-bit2754+23
−23
(+36)10.5 − 15.5
(+6−11=9)
40.4%
10.5 / 26
0.3%
−26
57.2%
1484
0.83
849
0 1 0 0 = 0 0 0 0 = = = = 0 1 = 0 1 1 0 = = 1 = 1 0
–   Scorpio 1.912739+26
−26
(+21)10 − 17
(+4−11=12)
37.0%
10.0 / 27
7.8%
−62
61.1%
1617
0.69
988
1 0 = = 0 0 = = 0 = 0 1 = = 1 = 1 0 = 0 0 0 0 = = 0 =
–   E.T. Chess 13.01.082733+21
−21
(+15)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
12.9%
−27
59.8%
2104
0.57
1258
0 = = 0 1 0 1 0 0 0 0 0 = 0 1 = 1 1 0 0 1 0 = 1 1 1
–   Alfil 8.1.1 Optimized2723+21
−21
(+5)14.5 − 10.5
(+12−8=5)
58.0%
14.5 / 25
34.7%
+66
55.3%
1979
0.75
1094
= = 0 1 0 = 1 1 = 0 1 1 1 1 = 1 0 0 1 0 0 1 1 0 1
–   Movei 00.8.438 (10-10-10)2722+21
−21
(+4)13.5 − 16.5
(+9−12=9)
45.0%
13.5 / 30
38.3%
−27
56.6%
2210
0.49
1250
= 0 = = = 1 0 0 0 = = 1 1 0 = 0 = 1 1 1 1 = 0 0 0 0 0 0 1 1
–   Pro Deo 1.62719+22
−22
(+1)9.5 − 13.5
(+6−10=7)
41.3%
9.5 / 23
48.3%
−57
56.8%
1541
0.56
875
0 0 = 0 1 = 0 1 1 0 = 1 0 1 1 0 0 0 = = = 0 =
–   Delfi 5.22718+21
−21
(0)10 − 12
(+8−10=4)
45.5%
10.0 / 22
49.1%
−32
62.3%
1365
0.54
851
0 1 1 = 1 0 0 1 1 1 0 1 = = 0 0 0 0 0 = 1 0
–   Zappa 1.1 64-bit2717+19
−19
(−1)17.5 − 13.5
(+14−10=7)
56.5%
17.5 / 31
51.7%
+44
55.9%
2404
0.66
1343
1 1 0 1 1 = 1 0 = 0 0 = 1 1 0 = 1 1 0 = 1 1 1 1 0 = = 1 0 0 0
–   Slow Chess Blitz WV2.12716+19
−19
(−2)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
57.7%
+27
60.9%
2004
0.47
1220
= = 1 1 0 1 = 0 = 1 1 = 1 0 1 1 = 1 0 0 = 1 1 1 0 0 = = = 0 0 =
–   Alaric 7042713+26
−26
(−5)12 − 19
(+6−13=12)
38.7%
12.0 / 31
64.3%
−79
60.5%
2143
0.49
1296
= 0 1 = 1 1 1 0 1 = 0 0 0 = = = 0 = 0 1 = = = = 0 0 0 0 0 = 0
–   Frenzee 3.0 64-bit2711+19
−19
(−7)11.5 − 12.5
(+8−9=7)
47.9%
11.5 / 24
72.1%
−20
55.3%
1681
0.71
930
0 1 1 0 0 = 1 0 = 1 = = 0 1 = 0 = 1 0 0 1 = 1 0
–   Colossus 2007d2707+20
−20
(−11)18 − 11
(+12−5=12)
62.1%
18.0 / 29
81.0%
+68
58.6%
1718
0.59
1006
= 0 = 0 = 1 1 0 = = = 1 1 1 = 1 0 = = 1 = 1 1 1 1 0 1 = =
–   Pharaon 3.5.12704+19
−19
(−14)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
88.1%
+18
58.3%
2068
0.71
1206
0 0 = 0 0 = 0 1 1 = = 1 1 = 1 = = 1 0 1 = 1 1 1 = 1 0 0 1 0 0 1
–   List 5.122699+18
−18
(−19)19 − 13
(+12−6=14)
59.4%
19.0 / 32
95.2%
+38
61.7%
1966
0.42
1214
= 0 0 = 1 1 = 1 1 1 = 0 = = 0 = = = 1 0 1 1 1 = = = 0 1 = 1 1 =
–   SOS 5.12697+18
−18
(−21)13 − 10
(+12−9=2)
56.5%
13.0 / 23
96.6%
+32
60.2%
2070
0.59
1247
= 1 = 0 0 1 1 1 0 0 1 0 1 0 0 0 1 1 1 1 1 1 0
–   Colossus 2007c2694+19
−19
(−24)12 − 16
(+7−11=10)
42.9%
12.0 / 28
97.7%
−71
56.3%
1890
0.55
1065
0 0 1 0 0 1 1 0 = = 0 = 1 = 0 1 0 = 0 = = 0 1 = = = 0 1
–   Ruffian 1.0.52687+17
−17
(−31)16 − 11
(+11−6=10)
59.3%
16.0 / 27
99.6%
+33
59.5%
2019
0.52
1201
= 0 0 = = 1 1 1 = 1 0 0 1 = = 0 = 0 1 = 1 = 1 1 1 1 =
–   Petir 4.392682+18
−18
(−36)11.5 − 12.5
(+8−9=7)
47.9%
11.5 / 24
99.9%
−43
61.3%
1416
0.71
868
= 1 = 0 1 1 = 0 0 0 1 1 0 0 1 = 0 1 1 = 0 = = 0
–   Pseudo 0.7c2680+18
−18
(−38)14 − 9
(+11−6=6)
60.9%
14.0 / 23
99.9%
+38
60.3%
1822
0.53
1099
1 1 1 1 = 0 1 1 = 0 1 = 0 1 = 1 0 0 = 0 1 1 =
–   Aristarch 4.502671+18
−18
(−47)13 − 10
(+11−8=4)
56.5%
13.0 / 23
100.0%
−3
62.3%
1335
0.67
832
1 0 0 1 0 = = 1 = 0 0 1 1 1 1 1 1 0 = 1 1 0 0
–   Petir 4.9999992670+19
−19
(−48)13 − 10
(+11−8=4)
56.5%
13.0 / 23
100.0%
−1
58.4%
1671
0.62
976
0 1 0 0 1 1 0 1 0 = 0 1 = = 1 0 1 1 = 1 1 0 1
–   Hamsters 0.62669+18
−18
(−49)17 − 10
(+13−6=8)
63.0%
17.0 / 27
100.0%
+41
55.6%
1799
0.63
1001
1 1 1 = = 0 1 0 1 0 = = = 1 1 = 1 = 1 1 1 = 1 0 0 1 0
–   Booot 4.13.12668+18
−18
(−50)11 − 17
(+8−14=6)
39.3%
11.0 / 28
100.0%
−127
59.0%
2390
0.47
1409
0 0 0 = 0 0 = 0 = 0 1 = 0 1 = 0 0 0 1 1 1 = 1 0 0 1 0 1
–   BugChess2 1.5.22661+18
−18
(−57)19.5 − 7.5
(+17−5=5)
72.2%
19.5 / 27
100.0%
+107
56.2%
2334
0.81
1312
0 = 1 1 1 0 1 1 1 0 1 1 1 0 = 1 = 1 = 1 1 = 1 1 1 1 0
–   Jonny 2.832652+17
−17
(−66)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−31
56.7%
2375
0.74
1347
1 0 1 1 = 1 0 0 1 1 1 1 0 0 1 = 1 = = 0 1 1 0 = 0 1 = 1 0 0 = 0
–   Crafty 21.5 64-bit PS2652+17
−17
(−66)16.5 − 9.5
(+11−4=11)
63.5%
16.5 / 26
100.0%
+16
57.4%
1550
0.87
890
1 = 1 1 0 1 1 = = 1 0 = 1 1 0 = 1 1 = = = = = = 1 0
–   The Baron 1.8.12651+18
−18
(−67)17 − 12
(+11−6=12)
58.6%
17.0 / 29
100.0%
−12
56.0%
1432
0.67
802
1 = 0 1 1 = = 1 1 1 0 = 1 = 1 0 = = = = = 1 0 = 0 1 = 1 0
–   Anaconda 2.0.12644+17
−17
(−74)16 − 9
(+12−5=8)
64.0%
16.0 / 25
100.0%
+20
61.8%
1421
0.52
878
= 1 1 1 = = 0 1 = = 0 = 1 1 1 1 1 = 1 = 0 1 0 0 1
–   Movei 00.8.4032643+22
−22
(−75)12.5 − 8.5
(+10−6=5)
59.5%
12.5 / 21
100.0%
−3
56.6%
1514
0.54
857
1 1 = 0 0 = 1 = 0 1 1 1 1 1 0 = = 1 0 0 1
–   Fritz 5.322643+17
−17
(−75)16 − 13
(+10−7=12)
55.2%
16.0 / 29
100.0%
−41
62.4%
1367
0.68
853
1 1 = 1 = = = 0 = 0 1 1 1 = 1 0 1 1 = 0 = 0 = = 0 = = 0 1
–   Ktulu 4.22634+17
−17
(−84)18.5 − 8.5
(+13−3=11)
68.5%
18.5 / 27
100.0%
+30
61.2%
1524
0.50
933
1 1 1 1 = 1 1 1 = = 1 1 1 0 = = = 0 = 1 = 1 = = 1 0 =
–   SmarThink 0.17a2633+16
−16
(−85)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−43
61.0%
2050
0.46
1251
0 1 0 1 0 1 0 1 = = 1 = 1 1 1 0 0 0 1 0 1 = 1 = = 1 0 1 1 = 0 =
–   Fritz 6 Light2627+19
−19
(−91)15 − 10
(+11−6=8)
60.0%
15.0 / 25
100.0%
−28
61.6%
1588
0.72
979
= 1 = 1 0 0 0 1 1 = 1 = = = 1 = 1 = 1 0 1 0 1 1 0
–   AnMon 5.602621+18
−18
(−97)16 − 11
(+13−8=6)
59.3%
16.0 / 27
100.0%
−30
56.3%
1836
0.56
1034
= = 1 1 1 = 0 0 1 = 1 = = 1 0 0 0 1 0 1 1 1 0 1 0 1 1

Performance

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

Perf = C + 0.169 [±0.243] * 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