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
Anaconda 2.0.1 CB#31  (2644+17
−17
)Quote
Authors: Frank Schneider (Germany), Kai Skibbe (Germany) Released: 2005-03-03Link: Chessbase
Anaconda is a development of older engine Gromit.
This engine is stable and runs without issues.
This is the only Anaconda version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Delfi 5.22718+21
−21
(+74)9 − 15
(+4−10=10)
37.5%
9.0 / 24
0.0%
−1
60.3%
1314
0.56
792
0 0 = = 1 = 0 1 0 = 1 0 0 = = = = 1 = 0 0 0 0 =
–   WildCat 72718+19
−19
(+74)9 − 16
(+5−12=8)
36.0%
9.0 / 25
0.0%
−20
61.8%
1421
0.52
878
= 0 0 0 = = 1 0 = = 1 = 0 0 0 0 0 = 0 = 1 0 1 1 0
–   Zappa 1.1 64-bit2717+19
−19
(+73)8 − 14
(+5−11=6)
36.4%
8.0 / 22
0.0%
−25
60.7%
1350
0.63
819
1 = = 0 0 1 0 = 0 1 0 = 0 0 1 0 0 = 0 1 0 =
–   Slow Chess Blitz WV2.12716+19
−19
(+72)6 − 15
(+3−12=6)
28.6%
6.0 / 21
0.0%
−75
62.0%
1322
0.51
820
0 0 0 = 1 = 1 = 0 0 0 0 0 0 0 = = = 0 0 1
–   Frenzee 3.0 64-bit2711+19
−19
(+67)11.5 − 14.5
(+8−11=7)
44.2%
11.5 / 26
0.0%
+25
58.5%
1768
0.82
1035
= = 1 0 1 0 = 0 0 0 = 1 0 1 0 1 0 0 1 1 = 1 = = 0 0
–   Colossus 2007d2707+20
−20
(+63)11.5 − 15.5
(+7−11=9)
42.6%
11.5 / 27
0.0%
+12
57.1%
1645
0.57
940
1 = 0 = = = 0 = 1 0 1 = 1 0 = 0 1 0 0 1 1 0 = 0 = 0 0
–   Pharaon 3.5.12704+19
−19
(+60)12 − 15
(+7−10=10)
44.4%
12.0 / 27
0.0%
+21
60.4%
1532
0.81
925
= 1 0 = 0 0 1 1 1 = 0 = 0 = 0 0 0 0 1 1 0 = = = = = 1
–   List 5.122699+18
−18
(+55)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
0.0%
+46
57.0%
1613
0.60
919
1 0 = 1 1 = 1 0 1 0 = = = = = 0 0 1 1 1 0 0 0 = 0 =
–   SOS 5.12697+18
−18
(+53)14 − 14
(+10−10=8)
50.0%
14.0 / 28
0.0%
+54
59.8%
1846
0.67
1103
0 1 0 = = 0 = = 1 1 = 0 0 = 0 1 0 0 1 0 1 1 1 = 0 = 1 1
–   Colossus 2007c2694+19
−19
(+50)13 − 9
(+8−4=10)
59.1%
13.0 / 22
0.0%
+108
60.4%
991
0.64
599
= = 0 1 = 1 1 1 1 1 = 0 = 0 = = 1 = = = 1 0
–   Ruffian 1.0.52687+17
−17
(+43)13.5 − 15.5
(+8−10=11)
46.6%
13.5 / 29
0.0%
+20
61.6%
2000
0.48
1233
1 1 = = 0 1 0 0 1 0 = 0 0 1 0 0 1 1 = = = 0 = = = = = 0 1
–   Petir 4.392682+18
−18
(+38)10.5 − 15.5
(+6−11=9)
40.4%
10.5 / 26
0.1%
−23
64.3%
1462
0.64
940
= = 1 = = = 0 = 1 1 1 0 0 0 0 = = 0 0 0 1 0 0 = 0 1
–   Pseudo 0.7c2680+18
−18
(+36)12 − 13
(+7−8=10)
48.0%
12.0 / 25
0.1%
+21
58.1%
1556
0.64
904
1 0 = = 0 1 0 1 1 0 = = = = = 1 1 = = 0 = 0 1 0 0
–   Aristarch 4.502671+18
−18
(+27)14 − 13
(+10−9=8)
51.9%
14.0 / 27
0.9%
+39
54.7%
1519
0.74
831
1 = 0 1 1 = 0 = 1 1 1 = = 0 1 1 0 = = 0 0 0 1 = 1 0 0
–   Petir 4.9999992670+19
−19
(+26)9 − 15
(+3−9=12)
37.5%
9.0 / 24
1.5%
−46
63.0%
1315
0.67
829
0 0 1 = 1 0 0 = = = = = 0 = 0 = 0 = = 1 = 0 0 =
–   Hamsters 0.62669+18
−18
(+25)11 − 13
(+8−10=6)
45.8%
11.0 / 24
1.6%
−2
56.7%
1752
0.68
994
0 0 0 1 0 0 1 1 = 1 = 1 0 0 0 = 1 0 0 1 = = = 1
–   The Baron 2.23 64-bit2669+19
−19
(+25)12 − 20
(+6−14=12)
37.5%
12.0 / 32
1.6%
−54
61.5%
1737
0.67
1068
0 0 = 0 1 = 1 = 0 = = = 0 0 0 0 = 0 1 0 1 = 0 = 1 0 = 1 = 0 0 =
–   Booot 4.13.12668+18
−18
(+24)10 − 13
(+7−10=6)
43.5%
10.0 / 23
2.0%
−16
58.5%
1861
0.45
1089
1 1 0 0 0 = 1 0 1 = = = 0 1 0 0 0 = 1 = 0 1 0
–   BugChess2 1.5.22661+18
−18
(+17)12 − 14
(+7−9=10)
46.2%
12.0 / 26
7.3%
−5
60.4%
1584
0.71
957
0 = 0 = 1 1 0 0 = 1 = = 1 1 = 0 = 0 0 0 1 = 0 = 1 =
–   Jonny 2.832652+17
−17
(+8)12 − 14
(+6−8=12)
46.2%
12.0 / 26
25.8%
−15
59.8%
1307
0.76
782
1 1 = = = 1 0 = = = = 1 0 0 0 0 0 = = = 1 = 0 = 0 1
–   Crafty 21.5 64-bit PS2652+17
−17
(+8)8 − 17
(+6−15=4)
32.0%
8.0 / 25
23.4%
−133
59.1%
1991
0.68
1177
1 0 = 1 = 0 0 0 0 0 0 0 0 1 = 0 0 1 0 0 1 0 0 1 =
–   The Baron 1.8.12651+18
−18
(+7)10.5 − 14.5
(+8−12=5)
42.0%
10.5 / 25
27.7%
−54
58.4%
1836
0.69
1073
0 = 0 0 = 0 1 0 0 = 1 0 1 0 0 1 0 = = 1 1 1 0 1 0
–   Movei 00.8.4032643+22
−22
(−1)10.5 − 12.5
(+7−9=7)
45.7%
10.5 / 23
52.3%
−34
56.3%
1576
0.54
888
0 0 1 0 = 1 = 1 = 1 0 = 0 = 1 1 0 1 = 0 0 = 0
–   Fritz 5.322643+17
−17
(−1)13 − 13
(+9−9=8)
50.0%
13.0 / 26
53.7%
−2
60.9%
1691
0.69
1029
0 1 1 0 0 0 0 1 = = 0 1 0 1 0 0 = 1 = = = = 1 1 1 =
–   Ktulu 4.22634+17
−17
(−10)14 − 14
(+10−10=8)
50.0%
14.0 / 28
81.8%
−11
58.1%
1835
0.58
1067
1 0 1 1 1 = = 0 = 1 0 1 = 0 0 = 0 = 1 0 0 1 0 1 = 1 0 =
–   Thinker 4.7a2634+17
−17
(−10)12.5 − 12.5
(+9−9=7)
50.0%
12.5 / 25
81.7%
−12
54.4%
1861
0.76
1012
1 0 1 1 0 = 0 = 1 = 0 = 1 1 0 0 = 1 = 1 = 0 1 0 0
–   SmarThink 0.17a2633+16
−16
(−11)12.5 − 10.5
(+8−6=9)
54.3%
12.5 / 23
85.4%
+17
58.3%
1228
0.50
716
= 1 1 = = = = = 1 0 1 1 0 1 = 0 0 0 1 = = 0 1
–   Ufim 8.022628+18
−18
(−16)10 − 13
(+7−10=6)
43.5%
10.0 / 23
92.0%
−62
60.1%
1645
0.88
988
0 1 0 0 0 0 1 = = 0 1 0 0 0 0 1 1 = 1 = 1 = =
–   Fritz 6 Light2627+19
−19
(−17)14.5 − 12.5
(+10−8=9)
53.7%
14.5 / 27
92.7%
+8
64.1%
1442
0.96
925
= = 0 0 = = 1 1 1 0 = 0 1 0 1 0 0 = 1 = 1 1 0 1 = = 1
–   Trace 1.37a2622+17
−17
(−22)12 − 11
(+9−8=6)
52.2%
12.0 / 23
97.1%
−6
58.6%
1672
0.67
980
1 1 = 1 0 0 0 1 1 = = 1 1 0 0 = 1 0 = 0 = 0 1
–   AnMon 5.602621+18
−18
(−23)15 − 15
(+13−13=4)
50.0%
15.0 / 30
97.8%
−21
56.1%
2314
0.55
1299
0 = = 1 0 0 1 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 0 1 0 = 1 = 1 1
–   E.T. Chess 18.11.052620+21
−21
(−24)17 − 11
(+12−6=10)
60.7%
17.0 / 28
97.0%
+42
57.4%
1746
0.64
1003
0 1 0 1 0 1 = 1 = = 0 1 1 0 = 1 1 = 1 = 1 0 = 1 = 1 = =
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(−30)16 − 11
(+13−8=6)
59.3%
16.0 / 27
99.5%
+40
54.5%
2080
0.68
1134
1 1 0 = = 1 1 = 1 0 1 1 0 0 1 = 1 = 0 1 1 1 1 0 0 = 0
–   Yace 0.99.872609+17
−17
(−35)16 − 7
(+12−3=8)
69.6%
16.0 / 23
99.9%
+94
58.9%
1216
0.67
716
1 1 = 0 = = = 1 = = 1 1 0 1 1 1 1 0 1 = = 1 1
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(−37)13.5 − 12.5
(+9−8=9)
51.9%
13.5 / 26
99.9%
−26
53.7%
1379
0.80
741
= 0 0 1 1 0 0 1 1 0 = = = 1 = 0 1 0 1 0 1 = = 1 = =
–   Hamsters 0.52595+21
−21
(−49)15 − 12
(+11−8=8)
55.6%
15.0 / 27
100.0%
−12
54.5%
2094
0.71
1141
0 = = 1 0 0 = = = 1 = = 0 1 1 0 0 1 0 0 1 1 1 1 1 = 1
–   Pepito 1.59 32-bit2595+19
−19
(−49)13.5 − 12.5
(+12−11=3)
51.9%
13.5 / 26
100.0%
−30
53.5%
2468
0.53
1321
0 0 1 0 0 0 1 0 1 1 0 1 0 1 0 1 0 1 1 0 1 1 = = = 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(−60)15 − 11
(+10−6=10)
57.7%
15.0 / 26
100.0%
−9
53.0%
1600
0.64
848
= = 1 1 0 1 = = 0 = 1 = 0 0 1 = 1 = 0 1 1 0 1 1 = =
–   Green Light Chess 3.002582+17
−17
(−62)19.5 − 8.5
(+16−5=7)
69.6%
19.5 / 28
100.0%
+79
58.1%
1923
0.61
1117
1 1 1 1 = 0 = 1 1 1 0 0 1 1 = 0 = 1 = 1 = 1 1 1 1 0 = 1
–   Tao 5.62574+17
−17
(−70)14.5 − 12.5
(+11−9=7)
53.7%
14.5 / 27
100.0%
−41
61.2%
1876
0.79
1148
0 = 1 0 1 0 1 1 1 0 1 0 = 0 = = 1 = 1 1 = 1 0 = 1 0 0
–   Cerebro 3.03d2572+19
−19
(−72)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
+1
56.2%
2110
0.81
1186
0 = = 1 1 0 0 = 1 0 1 1 = 1 1 = = = 1 = 0 1 1 = 0 = 1 1 1 1 = 0
–   Twisted Logic 20080404x2568+18
−18
(−76)17.5 − 10.5
(+16−9=3)
62.5%
17.5 / 28
100.0%
+24
52.5%
2239
0.86
1175
= 1 0 0 1 0 0 1 1 1 1 1 1 1 = 1 = 1 1 1 1 0 1 0 1 0 0 0
–   Arasan 10.0 64-bit2564+17
−17
(−80)15.5 − 8.5
(+12−5=7)
64.6%
15.5 / 24
100.0%
+19
57.6%
1397
0.60
805
1 = 1 0 0 1 = 1 1 0 = = = = 0 1 1 1 0 1 1 = 1 1
–   Abrok 5.02561+17
−17
(−83)15.5 − 6.5
(+11−2=9)
70.5%
15.5 / 22
100.0%
+49
60.2%
1076
0.74
648
1 1 0 1 = = 1 1 = 1 0 = = = 1 1 = = 1 = 1 1
–   Amyan 1.5972552+17
−17
(−92)13 − 11
(+9−7=8)
54.2%
13.0 / 24
100.0%
−61
62.9%
1508
0.68
949
= = = 0 1 = 0 0 1 1 1 1 1 0 1 = = 1 = 0 0 0 1 =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(−93)19.5 − 9.5
(+15−5=9)
67.2%
19.5 / 29
100.0%
+25
61.0%
2096
0.69
1279
0 1 1 0 = 1 = 1 1 = = 1 1 1 1 1 1 = 1 = = 1 0 = 1 0 0 1 =
–   SpiderChess 0706032546+17
−17
(−98)20 − 7
(+16−3=8)
74.1%
20.0 / 27
100.0%
+69
57.0%
1881
0.61
1073
= = 1 = 1 = 1 0 = 0 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 0 =
–   King of Kings 2.562536+18
−18
(−108)20.5 − 7.5
(+17−4=7)
73.2%
20.5 / 28
100.0%
+59
59.6%
1969
0.63
1174
0 1 1 1 1 = 1 1 1 = 0 = = = 1 1 1 0 1 1 0 1 = 1 1 1 1 =
–   LambChop 10.992531+17
−17
(−113)15.5 − 11.5
(+11−7=9)
57.4%
15.5 / 27
100.0%
−61
60.9%
1230
0.69
749
0 0 = 0 1 0 0 1 = 1 0 = = 1 1 1 0 = 1 1 = = 1 = 1 1 =
–   Comet B682478+14
−14
(−166)17 − 8
(+13−4=8)
68.0%
17.0 / 25
100.0%
−45
57.2%
1132
0.78
647
= 1 1 1 = 1 = = 0 1 0 = 1 1 1 0 1 = = 1 1 1 = 1 0
–   Sjeng 12.132475+14
−14
(−169)19.5 − 7.5
(+17−5=5)
72.2%
19.5 / 27
100.0%
0
60.6%
1385
0.63
839
0 1 1 1 = 0 = 1 1 1 1 1 1 0 1 1 = 1 1 = 1 0 = 0 1 1 1

Performance

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

Perf = C − 0.015 [±0.204] * 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