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
Quark 2.35 WB#52–54  (2536+16
−16
)Quote
Author: Thomas Mayer (Germany) Released: 2004-07-23Links: Homepage, WBEC
This engine is stable and runs without issues.
This is the only Quark version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Fritz 5.322643+17
−17
(+107)7.5 − 17.5
(+5−15=5)
30.0%
7.5 / 25
0.0%
−42
60.4%
1828
0.72
1105
= 0 0 0 0 = = 0 = 0 1 0 0 1 0 0 1 = 0 0 0 0 0 1 1
–   Ktulu 4.22634+17
−17
(+98)9 − 18
(+7−16=4)
33.3%
9.0 / 27
0.0%
−33
57.9%
2140
0.91
1239
1 0 = 0 = = 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 = 0
–   Thinker 4.7a2634+17
−17
(+98)8 − 18
(+4−14=8)
30.8%
8.0 / 26
0.0%
−31
57.6%
1950
0.63
1124
1 0 = 1 1 = 0 0 = = 0 = 0 0 0 0 = 0 = 1 0 0 = 0 0 0
–   SmarThink 0.17a2633+16
−16
(+97)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
0.0%
+33
55.7%
1914
0.84
1066
1 = 1 0 1 0 0 = 1 0 = 0 0 0 = 0 0 0 1 0 0 = 1 1 1 = = 0
–   Ufim 8.022628+18
−18
(+92)9.5 − 17.5
(+6−14=7)
35.2%
9.5 / 27
0.0%
−12
55.6%
1665
0.77
926
= 0 0 = = 0 1 0 1 0 0 1 = 1 0 0 = 0 0 0 = 1 = 0 0 0 1
–   Fritz 6 Light2627+19
−19
(+91)6.5 − 18.5
(+6−18=1)
26.0%
6.5 / 25
0.0%
−118
58.3%
2410
0.80
1405
1 0 0 0 = 0 0 1 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0
–   Trace 1.37a2622+17
−17
(+86)10 − 16
(+7−13=6)
38.5%
10.0 / 26
0.0%
+3
58.5%
1755
0.80
1026
= 1 0 0 1 0 0 0 1 = 0 0 1 = 0 0 0 1 0 1 = 0 = 0 = 1
–   AnMon 5.602621+18
−18
(+85)10 − 15
(+7−12=6)
40.0%
10.0 / 25
0.0%
+14
57.7%
1716
0.52
990
= = 0 0 1 1 1 0 0 1 0 0 0 1 = 1 = 0 0 0 = 0 = 1 0
–   E.T. Chess 18.11.052620+21
−21
(+84)6.5 − 15.5
(+4−13=5)
29.5%
6.5 / 22
0.0%
−62
60.0%
1304
0.64
783
1 = = 0 0 0 0 0 0 0 0 = 1 0 1 0 1 = 0 = 0 0
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(+78)10.5 − 15.5
(+8−13=5)
40.4%
10.5 / 26
0.0%
0
55.5%
2132
0.91
1184
= 1 0 0 1 0 = 0 0 0 1 0 0 1 = 0 1 1 0 = 0 0 1 = 0 1
–   Yace 0.99.872609+17
−17
(+73)8 − 16
(+5−13=6)
33.3%
8.0 / 24
0.0%
−48
57.4%
1708
0.65
981
0 0 0 = = 1 0 1 1 0 0 = 0 = = 1 0 0 1 0 0 = 0 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(+71)9 − 11
(+6−8=6)
45.0%
9.0 / 20
0.0%
+40
53.9%
1254
0.92
676
= 0 0 = 1 = 0 0 1 1 1 1 1 0 = 0 0 0 = =
–   Hamsters 0.52595+21
−21
(+59)9.5 − 10.5
(+9−10=1)
47.5%
9.5 / 20
0.0%
+37
56.4%
1680
0.72
948
0 0 1 0 0 0 1 0 1 = 1 0 1 1 0 1 0 0 1 1
–   Pepito 1.59 32-bit2595+19
−19
(+59)8 − 18
(+4−14=8)
30.8%
8.0 / 26
0.0%
−72
58.8%
1588
0.59
933
0 0 = 1 0 = 1 0 = 0 = 0 0 0 0 0 0 1 = = 0 0 = 1 0 =
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+48)13.5 − 14.5
(+10−11=7)
48.2%
13.5 / 28
0.0%
+36
57.1%
1981
0.70
1131
0 1 = 1 0 0 1 0 0 1 1 0 1 = 0 = = 1 = 1 = 0 0 0 1 = 0 1
–   Green Light Chess 3.002582+17
−17
(+46)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
−46
57.9%
2126
0.55
1232
0 = 1 0 0 = 0 1 0 0 0 = 1 0 0 1 1 1 0 0 = = 1 0 = 0 0 =
–   Tao 5.62574+17
−17
(+38)13 − 15
(+9−11=8)
46.4%
13.0 / 28
0.0%
+14
59.5%
1708
0.76
1016
= = 1 0 0 1 = 0 0 = 0 1 0 1 = = 1 0 0 = 1 1 = 0 1 0 1 0
–   Cerebro 3.03d2572+19
−19
(+36)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.2%
−37
52.7%
2211
0.82
1165
= 1 = 0 1 0 1 0 0 0 0 0 1 = 1 = 1 0 0 0 0 = = 0 0 = 1 0 0 = 1 =
–   Twisted Logic 20080404x2568+18
−18
(+32)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.3%
−56
55.1%
2066
0.65
1138
= 0 1 0 0 0 0 = = 0 1 0 1 0 0 1 = 0 = 1 0 1 = 0 1 = 0 0
–   Arasan 10.0 64-bit2564+17
−17
(+28)10.5 − 14.5
(+8−12=5)
42.0%
10.5 / 25
0.8%
−27
58.9%
1798
0.56
1059
= = = 0 0 = 1 1 0 0 = 1 0 0 1 1 0 0 0 1 0 0 1 0 1
–   Abrok 5.02561+17
−17
(+25)19.5 − 8.5
(+16−5=7)
69.6%
19.5 / 28
1.3%
+164
55.2%
2218
0.73
1225
1 1 0 0 1 1 = 1 = 1 1 1 = 1 1 = 0 1 0 1 = 1 1 = 1 1 0 =
–   Amyan 1.5972552+17
−17
(+16)10.5 − 13.5
(+5−8=11)
43.8%
10.5 / 24
7.4%
−21
58.3%
1387
0.65
809
1 = 0 0 = 0 1 1 0 = 0 0 = = 0 0 1 = = = 1 = = =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(+15)12 − 10
(+9−7=6)
54.5%
12.0 / 22
10.5%
+46
59.8%
1233
0.66
737
= 0 1 0 = 1 0 0 0 1 = = 1 1 0 0 1 = 1 = 1 1
–   SpiderChess 0706032546+17
−17
(+10)11 − 15
(+7−11=8)
42.3%
11.0 / 26
17.7%
−41
54.8%
1472
0.58
806
0 0 = 0 1 0 1 = 1 0 0 = 0 = = 1 = 0 = 1 1 0 0 0 = 1
–   Gaia 3.5 64-bit2536+17
−17
(0)18 − 14
(+16−12=4)
56.3%
18.0 / 32
49.5%
+50
54.9%
2965
1.01
1629
0 1 1 0 1 0 1 0 1 = 0 1 1 = 1 0 0 = 1 1 0 0 = 0 0 1 1 1 0 1 1 1
–   King of Kings 2.562536+18
−18
(0)16.5 − 10.5
(+15−9=3)
61.1%
16.5 / 27
48.8%
+90
53.1%
2157
0.82
1146
1 0 1 = 1 1 1 1 0 1 0 1 0 1 0 1 1 1 0 1 0 1 1 0 = 0 =
–   LambChop 10.992531+17
−17
(−5)8.5 − 13.5
(+6−11=5)
38.6%
8.5 / 22
67.4%
−88
57.8%
1644
0.55
950
= 0 = = 1 = 0 0 1 1 0 0 1 = 0 0 0 1 0 0 1 0
–   Dragon 4.62524+16
−16
(−12)17.5 − 12.5
(+15−10=5)
58.3%
17.5 / 30
85.3%
+48
53.2%
2331
0.74
1241
0 0 1 1 0 = 1 0 = 1 0 1 1 = 0 = = 1 1 1 0 1 1 0 1 0 1 1 0 1
–   Nejmet 3.072521+16
−16
(−15)12.5 − 14.5
(+10−12=5)
46.3%
12.5 / 27
91.2%
−41
54.4%
2211
0.64
1203
1 0 1 0 = 1 0 = 0 0 = 1 0 0 0 1 0 1 1 0 1 0 1 = 0 1 =
–   Snitch 1.6.2 32-bit2521+15
−15
(−15)11.5 − 11.5
(+8−8=7)
50.0%
11.5 / 23
91.9%
−13
58.1%
1443
0.79
839
0 = = 1 1 1 0 0 1 = = 0 = 1 1 0 = = 1 1 0 0 0
–   RomiChess P3k 64-bit2502+18
−18
(−34)13 − 19
(+8−14=10)
40.6%
13.0 / 32
99.8%
−96
65.0%
1905
0.74
1238
0 = 0 0 = 0 0 0 1 = = = 0 1 = 1 0 1 1 = 1 = 0 1 1 0 0 0 0 = = 0
–   Amy 0.8.7b DC2500+17
−17
(−36)13 − 11
(+10−8=6)
54.2%
13.0 / 24
99.9%
−6
58.7%
1729
1.12
1015
1 = 1 = 0 1 0 0 = 1 0 1 1 1 = 0 0 = 1 1 1 0 = 0
–   KnightDreamer 3.32499+16
−16
(−37)19 − 8
(+16−5=6)
70.4%
19.0 / 27
100.0%
+109
54.9%
1658
0.77
911
1 1 1 = 1 = 0 1 1 1 = 0 1 = 1 1 = 1 1 = 0 1 1 1 0 0 1
–   Francesca MAD 0.13 Nobook2493+19
−19
(−43)12.5 − 5.5
(+10−3=5)
69.4%
12.5 / 18
100.0%
+97
62.9%
1423
0.78
895
= 0 1 1 = = 1 1 = 1 0 0 1 = 1 1 1 1
–   Leila 0.53h2490+17
−17
(−46)17.5 − 10.5
(+15−8=5)
62.5%
17.5 / 28
100.0%
+47
54.8%
2219
0.97
1215
1 0 = 1 1 1 1 1 1 1 1 1 0 1 0 0 = 1 1 = 0 1 0 = = 1 0 0
–   Diablo 0.5.1 JA2482+16
−16
(−54)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
+3
63.0%
2365
0.60
1491
0 1 = 1 1 = 1 = 0 1 1 0 0 1 = 0 = 1 1 = 1 0 0 1 1 1 = 0 1 1 0 0
–   PostModernist 10162480+16
−16
(−56)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
+9
61.9%
2093
0.63
1296
1 0 1 0 1 = 1 0 = = = 0 1 0 1 1 1 0 1 1 0 = = 1 1 = 1 1 0 0 = 1
–   Djinn 0.925x2479+16
−16
(−57)13.5 − 14.5
(+9−10=9)
48.2%
13.5 / 28
100.0%
−71
56.6%
1767
0.66
1000
0 = 0 0 0 1 1 1 1 1 1 1 1 = = = 0 = 1 0 0 = 0 0 0 = = =
–   Comet B682478+14
−14
(−58)14 − 10
(+12−8=4)
58.3%
14.0 / 24
100.0%
+3
57.1%
1705
0.75
974
0 0 1 0 1 = 1 0 1 1 = 0 1 0 1 1 0 = = 1 0 1 1 1
–   Sjeng 12.132475+14
−14
(−61)18.5 − 8.5
(+14−4=9)
68.5%
18.5 / 27
100.0%
+64
55.3%
1607
0.86
888
= = 0 = 1 = 0 0 1 1 = = 1 = 1 1 1 1 1 = 0 1 1 1 = 1 1
–   Muse 0.899b2474+16
−16
(−62)14.5 − 8.5
(+10−4=9)
63.0%
14.5 / 23
100.0%
+19
52.8%
1054
0.78
556
= 1 1 0 = = 1 = 0 = 1 1 0 = 1 1 0 1 = = = 1 1
–   Queen 4.032466+17
−17
(−70)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
−16
60.1%
1672
0.58
1005
= 1 1 1 0 0 = 1 = 0 = 1 1 1 1 = = 1 = 1 1 = 0 = = 0 0 1 = 0 1 0
–   The Crazy Bishop 00522460+15
−15
(−76)20 − 8
(+17−5=6)
71.4%
20.0 / 28
100.0%
+82
54.6%
2282
0.85
1247
= = 0 1 0 1 1 1 1 1 1 1 1 0 0 = = 0 = 1 1 1 1 = 1 1 1 1
–   Patzer 3.802460+16
−16
(−76)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+26
54.6%
2010
1.11
1098
0 1 1 1 0 0 1 1 = 0 1 = 0 1 = 1 0 1 1 1 1 1 = = 1 = 1 0 = 1 0 1
–   Der Bringer 1.92455+15
−15
(−81)17.5 − 10.5
(+14−7=7)
62.5%
17.5 / 28
100.0%
+6
54.9%
1971
0.71
1083
1 1 0 0 1 = = = 1 1 = 1 1 1 0 0 1 1 0 1 1 1 0 = = 1 = 0
–   Phalanx XXII Reborn JA2452+15
−15
(−84)15 − 13
(+10−8=10)
53.6%
15.0 / 28
100.0%
−61
58.5%
1461
0.57
855
= = 0 1 1 1 1 0 0 = 0 = 0 1 = 1 0 1 1 1 = 1 = 0 = = 0 =
–   Betsy 6.51 Nobook2450+15
−15
(−86)17.5 − 10.5
(+14−7=7)
62.5%
17.5 / 28
100.0%
+2
55.9%
1799
0.76
1006
= 0 = 1 1 1 1 0 = 1 = 1 = 1 0 1 1 0 1 1 1 1 0 0 1 = = 0
–   Amateur 2.822446+15
−15
(−90)16 − 7
(+13−4=6)
69.6%
16.0 / 23
100.0%
+50
56.1%
1616
0.99
906
1 0 1 = 1 = 0 1 1 = 1 1 1 = 1 1 1 = 0 0 1 = 1
–   Thor's Hammer 2.28 32-bit2417+15
−15
(−119)14 − 13
(+11−10=6)
51.9%
14.0 / 27
100.0%
−106
56.0%
1942
0.79
1087
1 0 = 1 = 1 = 1 1 0 0 = = 1 1 1 0 1 1 0 1 0 0 = 0 0 0
–   Chezzz 1.0.32409+15
−15
(−127)20.5 − 6.5
(+17−3=7)
75.9%
20.5 / 27
100.0%
+58
56.0%
1988
0.86
1113
1 1 1 = = 1 = 1 = 1 = 1 1 0 0 = 1 1 1 = 1 1 1 1 0 1 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(−134)12.5 − 5.5
(+9−2=7)
69.4%
12.5 / 18
100.0%
0
54.2%
1440
1.00
780
1 = 1 = 1 = = 1 1 1 = 1 = 0 0 = 1 1
–   Averno 0.812396+15
−15
(−140)19.5 − 8.5
(+16−5=7)
69.6%
19.5 / 28
100.0%
0
52.9%
1693
0.81
895
1 0 1 0 1 1 1 = 1 1 = 1 = 1 1 1 1 1 = = 1 0 0 0 1 1 = =
–   Scidlet 3.61 64-bit JA2390+15
−15
(−146)15 − 6
(+12−3=6)
71.4%
15.0 / 21
100.0%
+2
59.9%
1316
0.85
788
0 = = 1 1 1 1 1 0 1 1 = 0 1 = 1 = 1 1 1 =
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(−181)15.5 − 4.5
(+13−2=5)
77.5%
15.5 / 20
100.0%
+26
55.1%
1425
0.87
785
1 1 = 1 = 1 1 1 1 = = 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 − 0.133 [±0.199] * 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