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
Arasan 10.0 64-bit UCI#47  (2564+17
−17
)Quote
Author: Jon Dart (USA) Released: 2007-09-02Link: Homepage
Issues with this engine: Occasional losses on time.
This is the only Arasan version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   BugChess2 1.5.22661+18
−18
(+97)6 − 17
(+4−15=4)
26.1%
6.0 / 23
0.0%
−87
60.7%
1825
0.59
1108
0 1 1 0 = 0 0 = 0 0 = 0 0 0 0 0 = 0 1 0 0 1 0
–   Jonny 2.832652+17
−17
(+88)4 − 22
(+2−20=4)
15.4%
4.0 / 26
0.0%
−201
56.2%
2077
0.62
1168
0 0 0 1 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 = = 0 0 0 1
–   Crafty 21.5 64-bit PS2652+17
−17
(+88)14.5 − 14.5
(+7−7=15)
50.0%
14.5 / 29
0.0%
+90
56.2%
1396
0.78
784
0 0 = = 0 0 1 0 1 = = 1 0 = = = = = 1 = 1 1 = 0 = = = = 1
–   The Baron 1.8.12651+18
−18
(+87)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
−2
54.0%
2129
0.94
1150
0 1 0 = 1 0 0 0 0 0 0 0 = 1 0 = 0 1 = 1 = 1 0 1 0 0 = =
–   Anaconda 2.0.12644+17
−17
(+80)8.5 − 15.5
(+5−12=7)
35.4%
8.5 / 24
0.0%
−19
57.6%
1397
0.60
805
0 = 0 1 1 0 = 0 0 1 = = = = 1 0 0 0 1 0 0 = 0 0
–   Fritz 5.322643+17
−17
(+79)10.5 − 11.5
(+6−7=9)
47.7%
10.5 / 22
0.0%
+64
60.9%
1254
0.71
764
= 1 1 1 0 = = 0 1 0 = 0 = = = 0 0 = 0 1 = 1
–   Ktulu 4.22634+17
−17
(+70)9.5 − 19.5
(+6−16=7)
32.8%
9.5 / 29
0.0%
−53
60.0%
2451
0.58
1470
1 0 0 0 0 1 0 1 0 0 = 0 0 0 = 0 0 0 1 1 = = 1 0 0 0 = = =
–   Thinker 4.7a2634+17
−17
(+70)14 − 12
(+11−9=6)
53.8%
14.0 / 26
0.0%
+94
58.1%
2262
0.59
1315
0 = 0 = 1 = 1 = 0 1 1 1 1 0 1 0 1 1 1 0 0 1 0 = 0 =
–   SmarThink 0.17a2633+16
−16
(+69)8.5 − 14.5
(+4−10=9)
37.0%
8.5 / 23
0.0%
−11
55.8%
1331
0.61
743
= 0 0 0 0 0 0 0 1 = = 1 1 1 = = 0 = 0 = = = 0
–   Ufim 8.022628+18
−18
(+64)14 − 11
(+10−7=8)
56.0%
14.0 / 25
0.0%
+104
62.4%
1568
0.65
978
1 1 1 1 0 0 0 0 = = = 1 = = 0 1 1 1 0 = 1 = 1 0 =
–   Fritz 6 Light2627+19
−19
(+63)9 − 19
(+6−16=6)
32.1%
9.0 / 28
0.0%
−68
61.6%
2129
0.64
1312
0 0 1 1 1 = 0 0 = = 1 0 0 0 0 0 0 = = 0 1 0 0 0 0 0 1 =
–   Trace 1.37a2622+17
−17
(+58)7.5 − 20.5
(+4−17=7)
26.8%
7.5 / 28
0.0%
−108
53.5%
2028
0.84
1084
0 1 = 0 0 0 0 = 0 1 0 0 = 0 0 0 0 = 0 0 0 = 0 1 = 0 = 1
–   AnMon 5.602621+18
−18
(+57)9.5 − 14.5
(+5−10=9)
39.6%
9.5 / 24
0.0%
−10
52.0%
1403
0.69
730
= 1 0 = 1 0 = 0 = = 0 1 0 1 = 1 0 0 0 0 = = 0 =
–   E.T. Chess 18.11.052620+21
−21
(+56)10.5 − 17.5
(+5−12=11)
37.5%
10.5 / 28
0.0%
−18
55.4%
1681
0.62
932
0 0 = 0 0 0 0 = 0 1 = 0 = 1 0 = 0 = 1 = = = 1 = 0 = 1 0
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(+50)11.5 − 16.5
(+6−11=11)
41.1%
11.5 / 28
0.0%
−7
57.6%
1819
0.73
1047
= 1 0 0 = 0 = = 1 0 0 0 1 0 = 1 = 0 = 1 0 = 0 0 = = = 1
–   Yace 0.99.872609+17
−17
(+45)15 − 11
(+10−6=10)
57.7%
15.0 / 26
0.0%
+91
62.0%
1583
0.65
982
= 0 1 1 = 1 = 0 0 0 1 = 0 1 1 = 1 0 = = = = 1 1 1 =
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(+43)8.5 − 18.5
(+6−16=5)
31.5%
8.5 / 27
0.0%
−93
54.9%
2419
0.74
1327
1 0 = = 0 1 1 0 0 0 0 0 0 = 0 0 0 0 0 1 0 = 0 0 = 1 1
–   Hamsters 0.52595+21
−21
(+31)15 − 10
(+12−7=6)
60.0%
15.0 / 25
0.9%
+104
56.8%
2185
0.69
1241
= = 1 0 1 0 = 1 1 1 1 0 1 1 = 0 1 1 0 = 0 0 1 = 1
–   Pepito 1.59 32-bit2595+19
−19
(+31)15.5 − 15.5
(+11−11=9)
50.0%
15.5 / 31
0.6%
+29
57.7%
2222
0.59
1283
0 = 1 0 0 = = 1 0 0 0 = 1 0 0 1 1 = 1 0 1 1 = = = 1 1 1 = 0 0
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+20)15.5 − 13.5
(+11−9=9)
53.4%
15.5 / 29
4.8%
+45
53.1%
2123
0.71
1128
1 0 1 1 = 0 0 = 0 = 1 = = 0 = 0 = 1 1 1 = = 1 1 0 0 1 0 1
–   Green Light Chess 3.002582+17
−17
(+18)10.5 − 13.5
(+6−9=9)
43.8%
10.5 / 24
5.4%
−25
58.9%
1590
0.46
937
0 = = 1 1 0 0 = 0 0 1 = = = = = 1 = 0 0 1 0 0 1
–   Tao 5.62574+17
−17
(+10)8.5 − 14.5
(+3−9=11)
37.0%
8.5 / 23
18.7%
−66
58.9%
1101
0.60
648
0 = = 0 = = 0 0 = 1 = = 0 0 1 1 0 = = 0 = 0 =
–   Cerebro 3.03d2572+19
−19
(+8)15 − 17
(+11−13=8)
46.9%
15.0 / 32
25.8%
−14
57.6%
2374
0.65
1368
0 0 1 1 = 1 1 0 0 0 1 = 1 1 = = 0 0 1 = = 1 0 0 0 1 1 = 0 0 = 0
–   Twisted Logic 20080404x2568+18
−18
(+4)13.5 − 11.5
(+11−9=5)
54.0%
13.5 / 25
35.5%
+33
54.1%
1559
0.83
843
1 0 1 1 1 0 1 0 0 0 0 = = = = 1 1 1 0 0 1 1 1 0 =
–   Abrok 5.02561+17
−17
(−3)14.5 − 15.5
(+10−11=9)
48.3%
14.5 / 30
57.8%
−13
56.6%
2244
0.60
1269
0 1 = 1 0 0 0 1 0 = 1 = = 0 1 1 = = 0 = 1 = 0 = 0 1 1 1 0 0
–   Amyan 1.5972552+17
−17
(−12)20 − 8
(+16−4=8)
71.4%
20.0 / 28
83.6%
+139
60.7%
1996
0.53
1212
0 = 1 = = 1 1 = 1 1 1 1 1 = 0 1 0 1 1 1 = 1 1 1 0 1 = =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(−13)18 − 8
(+16−6=4)
69.2%
18.0 / 26
85.9%
+130
62.5%
1832
0.67
1145
1 1 1 1 0 1 0 = 0 = 1 1 1 1 = = 1 0 0 1 1 1 1 1 1 0
–   SpiderChess 0706032546+17
−17
(−18)7 − 16
(+3−12=8)
30.4%
7.0 / 23
93.3%
−142
58.2%
1423
0.59
828
= 0 0 = = 0 0 0 = 0 1 0 1 = 0 = 0 0 = = 0 1 0
–   Quark 2.352536+16
−16
(−28)14.5 − 10.5
(+12−8=5)
58.0%
14.5 / 25
99.2%
+27
58.9%
1798
0.56
1059
= = = 1 1 = 0 0 1 1 = 0 1 1 0 0 1 1 1 0 1 1 0 1 0
–   Gaia 3.5 64-bit2536+17
−17
(−28)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
99.1%
+4
58.9%
2638
0.75
1555
1 0 0 1 1 0 0 1 1 = = 0 = = = = 0 1 0 1 0 1 = 1 = 1 1 0 1 1 0 =
–   King of Kings 2.562536+18
−18
(−28)12.5 − 12.5
(+9−9=7)
50.0%
12.5 / 25
98.9%
−30
53.5%
1811
0.68
968
= 0 1 = 0 1 0 1 0 1 1 0 0 1 = 0 = = = 1 1 0 = 1 0
–   LambChop 10.992531+17
−17
(−33)9 − 11
(+6−8=6)
45.0%
9.0 / 20
99.8%
−63
55.7%
1211
0.56
675
1 1 0 0 = 0 1 0 0 = 1 0 0 = = 0 = 1 1 =
–   Dragon 4.62524+16
−16
(−40)11.5 − 13.5
(+6−8=11)
46.0%
11.5 / 25
100.0%
−66
61.6%
1234
0.59
760
= = 0 1 1 1 0 1 0 = 0 1 0 = 0 = = 0 = 0 1 = = = =
–   Nejmet 3.072521+16
−16
(−43)17 − 11
(+11−5=12)
60.7%
17.0 / 28
100.0%
+22
57.3%
1556
0.72
891
= 1 0 1 0 0 1 0 = 1 = = 1 = 1 = = 1 1 1 = = = = 1 1 = 0
–   Snitch 1.6.2 32-bit2521+15
−15
(−43)15 − 12
(+10−7=10)
55.6%
15.0 / 27
100.0%
−8
59.2%
1629
0.76
964
0 1 0 1 0 1 1 1 = = = = 1 0 1 0 0 1 1 = 0 = 1 = = = =
–   RomiChess P3k 64-bit2502+18
−18
(−62)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+46
64.7%
2527
0.51
1635
0 1 1 = 1 1 1 = 1 = 1 1 1 = 1 1 0 0 0 = 1 = 0 = 0 1 = 1 1 0 1 1
–   Amy 0.8.7b DC2500+17
−17
(−64)16.5 − 7.5
(+15−6=3)
68.8%
16.5 / 24
100.0%
+90
54.4%
2182
0.83
1188
1 1 1 0 0 1 1 1 = 0 = 1 1 0 1 = 1 0 0 1 1 1 1 1
–   KnightDreamer 3.32499+16
−16
(−65)13.5 − 9.5
(+10−6=7)
58.7%
13.5 / 23
100.0%
−7
58.4%
1746
0.59
1020
1 = = 1 = 1 0 = 0 0 1 1 1 1 = 0 1 0 = 0 1 = 1
–   Francesca MAD 0.13 Nobook2493+19
−19
(−71)10.5 − 9.5
(+9−8=3)
52.5%
10.5 / 20
100.0%
−52
62.7%
1631
0.70
1023
0 0 1 1 1 1 0 = = 1 1 0 1 0 0 1 0 1 = 0
–   Leila 0.53h2490+17
−17
(−74)16.5 − 5.5
(+15−4=3)
75.0%
16.5 / 22
100.0%
+124
58.4%
1634
0.92
955
0 1 1 1 1 1 1 1 1 0 0 = 1 = 1 1 1 1 = 1 1 0
–   Diablo 0.5.1 JA2482+16
−16
(−82)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+41
57.4%
2606
0.74
1495
= 1 1 1 = 1 = 1 1 1 0 = = 0 0 1 1 1 = 0 0 1 1 1 0 0 1 1 1 1 = 1
–   PostModernist 10162480+16
−16
(−84)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+7
60.7%
2407
0.61
1460
1 0 1 0 = = 0 0 1 1 = 1 0 1 1 1 1 0 1 0 = 1 1 = 1 1 0 1 = 0 1 1
–   Djinn 0.925x2479+16
−16
(−85)16.5 − 9.5
(+12−5=9)
63.5%
16.5 / 26
100.0%
+2
57.4%
1531
0.77
879
0 1 0 1 1 1 0 1 = 1 0 = 1 = 1 = = 1 = = 1 1 1 = = 0
–   Comet B682478+14
−14
(−86)12.5 − 15.5
(+6−9=13)
44.6%
12.5 / 28
100.0%
−119
57.8%
1568
0.65
906
= = 0 0 = = 0 1 0 0 1 = = = 0 = 0 = = = = 1 1 0 1 1 = 0
–   Sjeng 12.132475+14
−14
(−89)13.5 − 13.5
(+8−8=11)
50.0%
13.5 / 27
100.0%
−86
58.3%
1399
0.88
815
= = = = 1 0 0 1 0 = 1 0 1 1 1 0 = = 0 1 = 0 = 0 = = 1
–   Muse 0.899b2474+16
−16
(−90)17.5 − 10.5
(+14−7=7)
62.5%
17.5 / 28
100.0%
+4
55.1%
1957
0.76
1078
1 1 1 = = 1 1 1 1 0 1 1 = = 0 = 1 = 1 = 0 1 0 1 0 1 0 0
–   The Crazy Bishop 00522460+15
−15
(−104)14.5 − 10.5
(+13−9=3)
58.0%
14.5 / 25
100.0%
−38
59.9%
2073
0.68
1241
0 = 0 0 1 1 1 1 1 1 0 0 = 1 1 1 = 0 0 1 0 1 1 0 1
–   Der Bringer 1.92455+15
−15
(−109)16 − 10
(+12−6=8)
61.5%
16.0 / 26
100.0%
−31
58.9%
1619
0.68
953
1 = = = = = 0 = 1 1 0 0 = 0 1 1 1 1 0 1 = 1 1 1 0 1
–   Phalanx XXII Reborn JA2452+15
−15
(−112)20.5 − 5.5
(+18−3=5)
78.8%
20.5 / 26
100.0%
+108
56.3%
1865
0.71
1050
1 1 = 1 0 0 = 1 1 1 1 1 1 1 1 0 1 = 1 = 1 = 1 1 1 1

Performance

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

Perf = C − 0.083 [±0.333] * 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