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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E.T. Chess 18.11.05 WB (2620+21
−21
)Quote
Author: Eric Triki (France) Released: 2005-11-18Link: Homepage
This engine is stable and runs without issues.
This is one of the 2 E.T. Chess versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   E.T. Chess 13.01.082733+21
−21
(+113)12 − 20
(+7−15=10)
37.5%
12.0 / 32
0.0%
+26
71.7%
1900
0.22
1362
0 0 0 = 1 1 0 0 = 0 0 0 = = 1 0 = 0 1 = 0 0 = 1 = 0 1 = 0 0 1 =
–   Ruffian 1.0.52687+17
−17
(+67)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
−4559.3%
648
0.68
384
= 0 0 1 0 = = 0 = 0 = 0 = = 0 =
–   Petir 4.392682+18
−18
(+62)10.5 − 12.5
(+6−8=9)
45.7%
10.5 / 23
0.0%
+30
61.8%
1420
0.60
877
= = 0 = 0 1 0 = = = 0 = 0 1 0 1 = = 1 1 1 0 0
–   Aristarch 4.502671+18
−18
(+51)5.5 − 7.5
(+3−5=5)
42.3%
5.5 / 13
0.0%
−349.6%
722
0.72
358
= = 1 = 0 = 0 1 0 0 1 0 =
–   Petir 4.9999992670+19
−19
(+50)9 − 18
(+4−13=10)
33.3%
9.0 / 27
0.0%
−57
55.9%
1829
0.52
1023
0 0 1 = 0 = = 0 1 0 0 = 1 = 0 = 0 0 1 0 = 0 0 = = = 0
–   Hamsters 0.62669+18
−18
(+49)11.5 − 14.5
(+6−9=11)
44.2%
11.5 / 26
0.0%
+13
61.4%
1542
0.70
947
= = = = 0 = = 0 0 = 1 0 0 0 = = 1 0 0 = 1 1 1 = 0 1
–   Booot 4.13.12668+18
−18
(+48)12.5 − 15.5
(+8−11=9)
44.6%
12.5 / 28
0.0%
+11
58.2%
1957
0.50
1139
= = 1 0 0 0 = 0 1 0 0 1 = 1 1 = = = 0 = 0 1 0 = 0 1 0 1
–   BugChess2 1.5.22661+18
−18
(+41)13.5 − 14.5
(+9−10=9)
48.2%
13.5 / 28
0.1%
+29
57.5%
1738
0.75
1000
1 = = = = 0 = 1 0 0 1 0 0 0 1 0 0 = 1 1 1 0 1 1 = 0 = =
–   Jonny 2.832652+17
−17
(+32)15 − 12
(+11−8=8)
55.6%
15.0 / 27
0.7%
+67
56.3%
1799
0.68
1012
1 0 1 0 1 0 0 1 1 = = 1 1 1 0 1 0 1 = = 1 = = = 0 = 0
–   Crafty 21.5 64-bit PS2652+17
−17
(+32)10 − 15
(+6−11=8)
40.0%
10.0 / 25
0.6%
−36
57.9%
1642
0.69
951
0 1 = 1 = = 1 0 = = 0 0 0 0 0 = 1 0 = 1 0 0 1 0 =
–   The Baron 1.8.12651+18
−18
(+31)9.5 − 13.5
(+7−11=5)
41.3%
9.5 / 23
0.9%
−36
52.9%
1843
0.90
975
0 = 1 0 1 = 0 = 1 0 1 0 1 0 = 0 1 0 0 0 = 0 1
–   Anaconda 2.0.12644+17
−17
(+24)11 − 17
(+6−12=10)
39.3%
11.0 / 28
3.0%
−42
57.4%
1746
0.64
1003
1 0 1 0 1 0 = 0 = = 1 0 0 1 = 0 0 = 0 = 0 1 = 0 = 0 = =
–   Fritz 5.322643+17
−17
(+23)11.5 − 17.5
(+7−13=9)
39.7%
11.5 / 29
3.4%
−45
60.7%
2060
0.71
1250
0 1 0 = 1 0 = 0 0 1 = 1 0 1 0 = 0 0 0 = = = = 0 0 1 = 1 0
–   Ktulu 4.22634+17
−17
(+14)13.5 − 10.5
(+10−7=7)
56.3%
13.5 / 24
14.1%
+57
59.4%
1556
0.69
925
1 1 = 0 0 0 = 1 0 = = 0 1 = = 0 1 1 = 0 1 1 1 1
–   Thinker 4.7a2634+17
−17
(+14)7.5 − 17.5
(+3−13=9)
30.0%
7.5 / 25
13.4%
−118
60.1%
1627
0.57
978
0 0 0 0 = 0 = 0 0 0 0 0 1 = = 0 1 = = = 0 = 0 = 1
–   SmarThink 0.17a2633+16
−16
(+13)17 − 11
(+12−6=10)
60.7%
17.0 / 28
15.5%
+84
56.5%
1465
0.60
827
1 = 1 0 = 1 0 = 1 = 1 0 0 = 1 1 = = = 1 0 1 1 = 1 0 1 =
–   Ufim 8.022628+18
−18
(+8)3 − 3
(+2−2=2)
50.0%
3.0 / 6
27.1%
+1359.2%
407
0.68
241
= 0 0 1 = 1
–   Fritz 6 Light2627+19
−19
(+7)11 − 14
(+6−9=10)
44.0%
11.0 / 25
30.9%
−34
57.6%
1513
0.65
872
0 0 = 0 = = 0 = 1 1 1 1 = = = 0 1 0 0 0 = 1 = 0 =
–   Trace 1.37a2622+17
−17
(+2)13 − 10
(+9−6=8)
56.5%
13.0 / 23
42.3%
+42
56.0%
1249
0.62
700
= = 1 = = 1 0 1 1 = = 1 1 0 0 = 1 1 0 = 0 1 0
–   AnMon 5.602621+18
−18
(+1)12 − 14
(+6−8=12)
46.2%
12.0 / 26
47.1%
−22
55.5%
1320
0.40
733
= 0 0 0 1 = = 1 1 = = 0 = = = = = 1 = 0 = 0 1 1 0 0
–   Yace 0.99.872609+17
−17
(−11)14.5 − 11.5
(+11−8=7)
55.8%
14.5 / 26
80.2%
+31
54.1%
1832
0.58
991
0 1 1 = = 1 = = 0 1 1 0 1 1 1 0 0 0 = 1 1 = = 0 1 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(−13)15 − 12
(+12−9=6)
55.6%
15.0 / 27
82.6%
+29
51.0%
1796
0.77
916
1 1 0 = 1 0 0 1 1 0 = 0 1 1 0 0 = 0 1 1 1 = = = 1 0 1
–   Hamsters 0.52595+21
−21
(−25)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
95.9%
+13
57.6%
1888
0.56
1087
= = 1 = = 1 1 1 0 = 1 0 1 = 1 0 1 0 1 0 1 = = 0 = 0
–   Green Light Chess 3.002582+17
−17
(−38)15 − 11
(+12−8=6)
57.7%
15.0 / 26
99.8%
+12
52.7%
2147
0.69
1132
1 1 1 1 0 = 1 = 0 1 1 0 1 = = 0 0 = 0 1 = 0 0 1 1 1
–   Tao 5.62574+17
−17
(−46)16 − 8
(+12−4=8)
66.7%
16.0 / 24
100.0%
+65
57.4%
1414
0.59
811
1 = = 1 0 = = 1 1 1 1 = 0 = 1 = 0 1 = 1 1 0 1 1
–   Arasan 10.0 64-bit2564+17
−17
(−56)17.5 − 10.5
(+12−5=11)
62.5%
17.5 / 28
100.0%
+18
55.4%
1681
0.62
932
1 1 = 1 1 1 1 = 1 0 = 1 = 0 1 = 1 = 0 = = = 0 = 1 = 0 1
–   Abrok 5.02561+17
−17
(−59)18.5 − 8.5
(+12−2=13)
68.5%
18.5 / 27
100.0%
+51
57.0%
1401
0.55
799
= = 1 1 1 = 0 = = = 1 1 1 = = 1 1 = = 1 = 1 = = 1 1 0
–   SpiderChess 0706032546+17
−17
(−74)16 − 10
(+11−5=10)
61.5%
16.0 / 26
100.0%
0
53.4%
1502
0.71
802
= = 1 0 = 1 = 1 0 1 1 1 = 0 1 = 1 1 1 0 = = = 0 1 =
–   Quark 2.352536+16
−16
(−84)15.5 − 6.5
(+13−4=5)
70.5%
15.5 / 22
100.0%
+62
60.0%
1304
0.64
783
0 = = 1 1 1 1 1 1 1 1 = 0 1 0 1 0 = 1 = 1 1
–   Dragon 4.62524+16
−16
(−96)15 − 11
(+10−6=10)
57.7%
15.0 / 26
100.0%
−46
57.0%
1430
0.60
815
= 1 = 0 1 = 0 = = 0 1 0 = = 0 1 = 1 1 1 0 1 = 1 = 1
–   Nejmet 3.072521+16
−16
(−99)13 − 13
(+11−11=4)
50.0%
13.0 / 26
100.0%
−99
55.2%
2293
0.68
1265
= 1 0 0 0 1 = 0 1 1 = 0 0 0 = 1 1 1 1 0 1 0 1 0 0 1
–   Snitch 1.6.2 32-bit2521+15
−15
(−99)17 − 9
(+15−7=4)
65.4%
17.0 / 26
100.0%
+15
54.0%
1884
0.63
1018
1 1 0 1 1 1 1 0 = = = 1 1 1 1 0 1 0 = 1 1 0 0 1 1 0
–   Comet B682478+14
−14
(−142)16.5 − 9.5
(+14−7=5)
63.5%
16.5 / 26
100.0%
−41
58.4%
1813
0.57
1058
0 1 = = 0 = = 1 1 1 1 1 1 0 1 1 = 1 1 0 1 0 1 1 0 0
–   Sjeng 12.132475+14
−14
(−145)17 − 10
(+13−6=8)
63.0%
17.0 / 27
100.0%
−62
57.3%
1423
0.76
815
= 0 = 1 1 = 1 1 1 = 0 = 1 1 0 1 1 1 1 0 = = 0 0 1 1 =

Performance

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

Perf = C + 0.100 [±0.267] * 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