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
Fritz 5.32 CB#32  (2643+17
−17		)Quote
Author: Frans Morsch (Netherlands) Released: 2001-10-14Link: Chessbase
This engine is stable and runs without issues.
This is one of the 2 Fritz versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Delfi 5.22718+21
−21		(+75)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
0
65.5%
1049
0.52
687
= 0 = = = 0 = = 1 = 0 = = 1 0 0 = 1 = 0 = 0 0 0
–   WildCat 72718+19
−19		(+75)13 − 16
(+7−10=12)
44.8%
13.0 / 29
0.0%
+41
62.4%
1367
0.68
853
0 0 = 0 = = = 1 = 1 0 0 0 = 0 1 0 0 = 1 = 1 = = 1 = = 1 0
–   Zappa 1.1 64-bit2717+19
−19		(+74)9 − 14
(+5−10=8)
39.1%
9.0 / 23
0.0%
+3
60.0%
1351
0.78
810
= 0 0 0 0 = 0 = = 0 = 0 1 = 0 0 0 1 1 1 = 1 =
–   Slow Chess Blitz WV2.12716+19
−19		(+73)8 − 14
(+4−10=8)
36.4%
8.0 / 22
0.0%
−16
63.4%
1347
0.72
854
= 0 = 0 0 = = = 1 = 1 = 0 0 0 0 1 = 0 1 0 0
–   Frenzee 3.0 64-bit2711+19
−19		(+68)10.5 − 16.5
(+6−12=9)
38.9%
10.5 / 27
0.0%
−10
58.8%
1653
0.89
972
1 0 = 0 = = = = 0 1 0 1 = = 0 0 = 0 1 0 0 1 = 0 1 0 0
–   Colossus 2007d2707+20
−20		(+64)11.5 − 14.5
(+9−12=5)
44.2%
11.5 / 26
0.0%
+16
60.9%
1821
0.66
1109
1 = 0 0 0 0 1 1 1 0 1 1 0 0 0 0 = 0 1 1 0 = 1 = 0 =
–   Pharaon 3.5.12704+19
−19		(+61)14.5 − 12.5
(+13−11=3)
53.7%
14.5 / 27
0.0%
+91
63.5%
2356
0.55
1497
1 1 1 = 1 0 = 0 0 1 1 0 1 1 0 0 1 1 0 0 1 = 1 0 0 1 0
–   List 5.122699+18
−18		(+56)15 − 15
(+7−7=16)
50.0%
15.0 / 30
0.0%
+52
61.8%
1251
0.48
773
0 0 1 1 = = = 1 = = = = 0 1 0 = 0 = 1 = = = 1 = 1 0 0 = = =
–   SOS 5.12697+18
−18		(+54)10.5 − 15.5
(+5−10=11)
40.4%
10.5 / 26
0.0%
−1
62.1%
1405
0.79
873
= 1 0 = = 1 = 0 0 = = 1 = = = 1 0 0 1 = 0 = 0 0 0 0
–   Colossus 2007c2694+19
−19		(+51)12 − 12
(+9−9=6)
50.0%
12.0 / 24
0.0%
+51
64.4%
1705
0.68
1098
= 1 0 1 0 0 0 0 = 0 = 0 1 1 1 1 1 1 = 0 1 0 = =
–   Ruffian 1.0.52687+17
−17		(+44)16 − 10
(+12−6=8)
61.5%
16.0 / 26
0.0%
+119
57.8%
1633
0.71
944
0 1 = 1 = 1 0 1 = = = 1 = 1 1 1 1 0 = 0 = 0 1 1 0 1
–   Petir 4.392682+18
−18		(+39)13.5 − 15.5
(+10−12=7)
46.6%
13.5 / 29
0.0%
+13
60.7%
2435
0.58
1477
1 0 1 1 = 1 = = = 0 0 1 0 0 0 0 0 1 = = 1 0 0 0 0 1 1 1 =
–   Pseudo 0.7c2680+18
−18		(+37)15 − 11
(+10−6=10)
57.7%
15.0 / 26
0.1%
+84
60.7%
1412
0.52
857
1 1 1 1 0 0 0 0 1 = = = 1 1 = 1 0 1 = = = = = 1 0 =
–   Aristarch 4.502671+18
−18		(+28)11.5 − 18.5
(+8−15=7)
38.3%
11.5 / 30
0.7%
−55
59.1%
1870
0.93
1106
1 = 1 0 = 0 0 0 0 = 1 = 1 1 0 0 1 0 1 0 = 0 0 0 0 = 0 = 1 0
–   Petir 4.9999992670+19
−19		(+27)14 − 14
(+9−9=10)
50.0%
14.0 / 28
1.2%
+29
65.2%
1603
0.61
1045
0 = 1 = = = 0 1 = 0 0 0 = 1 = 1 1 = 1 0 1 1 = 0 0 = 1 0
–   Hamsters 0.62669+18
−18		(+26)9 − 13
(+4−8=10)
40.9%
9.0 / 22
1.2%
−27
60.2%
1348
0.56
811
0 = 1 1 = 1 0 = = = = = = 0 = 0 0 0 1 = 0 0
–   The Baron 2.23 64-bit2669+19
−19		(+26)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
1.2%
−47
57.0%
1787
0.99
1018
= 0 = 0 0 = 1 0 0 0 0 = 1 0 1 = 1 0 1 = 0 0 0 = = 1 1 0 0 0 1 =
–   Booot 4.13.12668+18
−18		(+25)8 − 13
(+4−9=8)
38.1%
8.0 / 21
1.5%
−50
61.6%
1303
0.77
803
0 = = 1 = 0 = 0 0 1 0 = = 1 0 = 0 1 0 = 0
–   BugChess2 1.5.22661+18
−18		(+18)9 − 19
(+4−14=10)
32.1%
9.0 / 28
6.0%
−95
58.7%
2269
0.60
1332
= 0 0 0 0 1 0 0 = 1 = 0 1 = 0 0 0 0 = = 0 = 0 0 = 1 = =
–   Jonny 2.832652+17
−17		(+9)12 − 12
(+7−7=10)
50.0%
12.0 / 24
22.6%
+15
57.9%
1479
0.66
857
= 0 = 0 1 = 0 = 1 1 = 1 0 1 = = 1 1 0 = 0 0 = =
–   Crafty 21.5 64-bit PS2652+17
−17		(+9)16 − 12
(+10−6=12)
57.1%
16.0 / 28
20.4%
+52
60.9%
1356
0.63
826
1 = 1 = 0 = 1 1 1 1 = 0 = = = 0 1 0 1 0 = = 1 1 = = = 0
–   The Baron 1.8.12651+18
−18		(+8)13.5 − 13.5
(+12−12=3)
50.0%
13.5 / 27
24.6%
+8
58.6%
1825
1.01
1070
0 1 0 0 1 0 1 0 1 0 = 1 1 = 0 0 0 0 1 0 1 1 0 = 1 1 1
–   Anaconda 2.0.12644+17
−17		(+1)13 − 13
(+9−9=8)
50.0%
13.0 / 26
46.3%
+2
60.9%
1691
0.69
1029
1 0 0 1 1 1 1 0 = = 1 0 1 0 1 1 = 0 = = = = 0 0 0 =
–   Movei 00.8.4032643+22
−22		(0)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
49.1%
−11
62.7%
1613
0.59
1011
= = 1 0 1 1 0 = = 1 0 1 1 0 = 0 = 0 1 0 = 0 0 = 1 =
–   Ktulu 4.22634+17
−17		(−9)13.5 − 12.5
(+10−9=7)
51.9%
13.5 / 26
79.5%
+3
63.0%
1635
1.03
1030
= 1 1 = 0 0 1 0 0 1 = 1 1 1 = = 0 1 0 = = 0 0 0 1 1
–   Thinker 4.7a2634+17
−17		(−9)13 − 14
(+10−11=6)
48.1%
13.0 / 27
79.4%
−21
60.3%
2214
0.52
1335
0 = = 0 = = 1 1 1 0 0 0 1 1 1 = 0 0 0 1 0 1 = 1 0 0 1
–   SmarThink 0.17a2633+16
−16		(−10)10 − 16
(+6−12=8)
38.5%
10.0 / 26
83.3%
−89
55.9%
1442
0.89
806
= 1 0 1 = = = = 1 1 1 0 0 = 1 0 0 = 0 0 0 0 0 = 0 0
–   Ufim 8.022628+18
−18		(−15)16.5 − 14.5
(+14−12=5)
53.2%
16.5 / 31
90.8%
+9
61.7%
2442
0.68
1506
= 1 0 = 0 1 0 0 1 1 1 = 1 0 1 0 = 1 0 1 0 0 1 1 0 1 0 1 = 0 1
–   Fritz 6 Light2627+19
−19		(−16)16.5 − 15.5
(+8−7=17)
51.6%
16.5 / 32
91.7%
−6
79.0%
1306
0.21
1032
1 1 1 = = = = = 0 1 = 0 0 0 = 1 = = = = 0 = 1 0 = 1 = = 1 = 0 =
–   Trace 1.37a2622+17
−17		(−21)14 − 12
(+10−8=8)
53.8%
14.0 / 26
96.6%
+4
59.3%
1496
1.03
887
1 = 0 1 1 = = 0 = = 0 1 = 0 0 1 0 1 0 1 1 = = 1 0 1
–   AnMon 5.602621+18
−18		(−22)14.5 − 9.5
(+13−8=3)
60.4%
14.5 / 24
97.4%
+60
61.1%
2103
0.53
1285
1 1 0 = 1 1 0 0 0 1 0 0 = 0 1 = 1 1 1 1 0 1 1 1
–   E.T. Chess 18.11.052620+21
−21		(−23)17.5 − 11.5
(+13−7=9)
60.3%
17.5 / 29
96.6%
+45
60.7%
2060
0.71
1250
1 0 1 = 0 1 = 1 1 0 = 0 1 0 1 = 1 1 1 = = = = 1 1 0 = 0 1
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(−29)12.5 − 12.5
(+6−6=13)
50.0%
12.5 / 25
99.4%
−26
54.7%
1181
0.92
646
0 = = = 1 = 1 0 1 = = = = = = 1 1 = 0 1 = 0 = 0 0
–   Yace 0.99.872609+17
−17		(−34)14 − 12
(+11−9=6)
53.8%
14.0 / 26
99.9%
−9
61.6%
2167
0.52
1335
0 = = 1 1 1 = = 1 = 0 1 1 1 1 0 0 0 1 0 0 0 1 = 1 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19		(−36)14.5 − 6.5
(+12−4=5)
69.0%
14.5 / 21
99.9%
+101
55.1%
1352
0.97
745
1 1 1 1 0 1 1 = 1 1 0 0 = = 1 1 0 = = 1 1
–   Hamsters 0.52595+21
−21		(−48)11.5 − 19.5
(+4−12=15)
37.1%
11.5 / 31
100.0%
−125
60.5%
1717
0.56
1038
= 0 1 = = 0 0 0 = = = = 1 = 0 0 0 = 0 = = = 0 0 = 0 = = 0 1 1
–   Pepito 1.59 32-bit2595+19
−19		(−48)18 − 10
(+13−5=10)
64.3%
18.0 / 28
100.0%
+48
60.8%
1673
0.61
1018
1 1 1 0 1 = = 0 = 0 = 1 1 1 = 0 = 1 = 0 = 1 = 1 = 1 1 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(−59)16.5 − 12.5
(+11−7=11)
56.9%
16.5 / 29
100.0%
−11
59.9%
1855
0.70
1111
= = 0 = 1 0 1 1 = 0 1 = = = 1 = 0 = 0 = 1 1 1 = 0 1 1 0 1
–   Green Light Chess 3.002582+17
−17		(−61)15.5 − 11.5
(+12−8=7)
57.4%
15.5 / 27
100.0%
−9
60.7%
1887
0.64
1145
1 0 1 1 0 1 0 = 1 1 1 0 = 1 0 = = 1 = 1 0 = 1 0 1 = 0
–   Tao 5.62574+17
−17		(−69)13.5 − 13.5
(+9−9=9)
50.0%
13.5 / 27
100.0%
−66
60.6%
1589
0.64
963
0 0 0 1 = 0 1 = 0 1 0 1 = = 1 = = 1 1 0 0 = = = 1 1 0
–   Cerebro 3.03d2572+19
−19		(−71)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
+70
55.6%
2226
0.74
1237
= 1 1 1 0 1 0 = 1 1 1 0 = 0 = 1 0 = 0 1 1 1 1 = 1 1 1 0 1 1 1 1
–   Twisted Logic 20080404x2568+18
−18		(−75)12 − 13
(+8−9=8)
48.0%
12.0 / 25
100.0%
−87
54.8%
1957
0.68
1072
= 0 1 = 0 0 0 1 0 1 = 0 0 = 0 = = 1 = = 1 1 1 1 0
–   Arasan 10.0 64-bit2564+17
−17		(−79)11.5 − 10.5
(+7−6=9)
52.3%
11.5 / 22
100.0%
−64
60.9%
1254
0.71
764
= 0 0 0 1 = = 1 0 1 = 1 = = = 1 1 = 1 0 = 0
–   Abrok 5.02561+17
−17		(−82)17 − 8
(+13−4=8)
68.0%
17.0 / 25
100.0%
+39
60.1%
1949
0.61
1171
1 1 = 0 1 1 = 0 1 = 1 1 0 = = = = 1 1 1 = 0 1 1 1
–   Amyan 1.5972552+17
−17		(−91)17.5 − 9.5
(+10−2=15)
64.8%
17.5 / 27
100.0%
−8
58.8%
1026
0.42
603
1 = = 1 = 0 = = 1 = = = 1 1 = 1 1 = 1 1 0 = = 1 = = =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(−92)18.5 − 8.5
(+14−4=9)
68.5%
18.5 / 27
100.0%
+31
60.2%
1214
0.74
731
1 = 0 1 1 = = 1 1 1 1 1 1 = 1 = = 1 0 = 1 0 = 1 = 1 0
–   SpiderChess 0706032546+17
−17		(−97)8.5 − 14.5
(+4−10=9)
37.0%
8.5 / 23
100.0%
−182
59.5%
1482
0.47
882
0 0 = = 0 = = 0 0 = 0 1 = 0 0 0 1 = 1 0 = = 1
–   Quark 2.352536+16
−16		(−107)17.5 − 7.5
(+15−5=5)
70.0%
17.5 / 25
100.0%
+42
60.4%
1828
0.72
1105
= 1 1 1 1 = = 1 = 1 0 1 1 0 1 1 0 = 1 1 1 1 1 0 0
–   LambChop 10.992531+17
−17		(−112)16.5 − 7.5
(+14−5=5)
68.8%
16.5 / 24
100.0%
+28
60.0%
1749
0.59
1049
= 1 1 0 = 1 1 = = 1 0 0 1 1 1 1 1 1 = 1 1 0 1 0
–   Nejmet 3.072521+16
−16		(−122)17.5 − 9.5
(+14−6=7)
64.8%
17.5 / 27
100.0%
−14
59.9%
1749
0.68
1047
1 1 1 = 0 1 1 = = = = 1 1 1 0 1 0 1 0 1 1 1 = 0 0 = 1
–   Snitch 1.6.2 32-bit2521+15
−15		(−122)21.5 − 7.5
(+16−2=11)
74.1%
21.5 / 29
100.0%
+33
54.9%
1515
0.72
832
1 = = 1 1 1 1 1 0 = 1 1 1 = = 1 = 1 = = 0 1 1 1 1 1 = = =
1352 games in total: 479 wins, 431 losses, 442 draws (32.7%), score: 51.8%
Average opponent: −12.2 (2630.8), average distance to opponent: 48.7

Performance

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

Perf = C + 0.191 [±0.268] * 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