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
Dragon 4.6 UCI#56  (2524+16
−16		)Quote
Author: Bruno Lucas (France) Released: 2004-10-24Link: WBEC
This engine is stable and runs without issues.
This is the only Dragon version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Thinker 4.7a2634+17
−17		(+110)8.5 − 19.5
(+4−15=9)
30.4%
8.5 / 28
0.0%
−21
61.6%
1945
0.47
1198
1 0 0 0 1 0 = 0 0 0 = = 0 1 0 0 = 0 0 1 = = = 0 = 0 0 =
–   Ufim 8.022628+18
−18		(+104)11 − 16
(+6−11=10)
40.7%
11.0 / 27
0.0%
+42
57.6%
1685
0.73
971
0 1 0 = = 1 0 0 0 = 0 1 = = = 0 1 1 = = = 1 0 0 0 0 =
–   Trace 1.37a2622+17
−17		(+98)7.5 − 18.5
(+5−16=5)
28.8%
7.5 / 26
0.0%
−62
58.6%
2113
0.93
1238
1 0 0 0 1 0 0 0 0 0 0 0 0 0 = = = 0 0 0 1 0 1 = = 1
–   AnMon 5.602621+18
−18		(+97)5.5 − 17.5
(+1−13=9)
23.9%
5.5 / 23
0.0%
−73
54.9%
1498
0.55
822
1 = = 0 0 0 = 0 = 0 0 0 0 0 0 = 0 = = 0 = 0 =
–   E.T. Chess 18.11.052620+21
−21		(+96)11 − 15
(+6−10=10)
42.3%
11.0 / 26
0.0%
+46
57.0%
1430
0.60
815
= 0 = 1 0 = 1 = = 1 0 1 = = 1 0 = 0 0 0 1 0 = 0 = 0
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(+90)10.5 − 18.5
(+6−14=9)
36.2%
10.5 / 29
0.0%
0
54.8%
1670
0.94
915
= 0 = 1 = 0 0 1 0 0 0 = 0 = 0 0 1 = 0 1 0 0 0 0 = 1 1 = =
–   Yace 0.99.872609+17
−17		(+85)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
0.0%
+24
61.2%
2048
0.59
1254
= = 1 1 0 0 0 0 1 = = 0 = 0 0 0 1 = 1 1 = 0 1 0 0 0 1 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19		(+83)9 − 16
(+5−12=8)
36.0%
9.0 / 25
0.0%
−8
53.2%
1623
0.94
864
= = 0 = = 1 0 = 0 1 0 1 0 = 0 0 0 0 = 0 1 = 1 0 0
–   Pepito 1.59 32-bit2595+19
−19		(+71)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
−22
61.0%
2327
0.46
1419
0 0 0 0 0 1 0 0 1 1 0 = 0 1 = = 1 0 1 = 0 0 = = 0 1 = 0
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(+60)11 − 15
(+7−11=8)
42.3%
11.0 / 26
0.0%
+4
56.3%
2023
0.61
1138
= 0 0 1 0 0 0 = 0 0 = = 1 1 = 1 1 0 = 0 1 = 0 = 0 1
–   Green Light Chess 3.002582+17
−17		(+58)9.5 − 14.5
(+6−11=7)
39.6%
9.5 / 24
0.0%
−12
61.0%
1770
0.48
1079
0 0 0 = 0 = = 0 0 1 = 1 1 1 = 0 0 = 0 0 = 1 0 1
–   Tao 5.62574+17
−17		(+50)10 − 15
(+4−9=12)
40.0%
10.0 / 25
0.0%
−12
57.6%
1394
0.67
803
= 0 0 0 = 0 0 0 = 0 1 = = = = 1 = = 0 = 1 1 0 = =
–   Cerebro 3.03d2572+19
−19		(+48)14 − 18
(+8−12=12)
43.8%
14.0 / 32
0.0%
+6
56.3%
2112
0.68
1189
1 0 = 0 = = 1 1 0 = 0 0 1 = 1 1 = = 0 0 = = 0 1 0 = = 0 0 0 1 =
–   Twisted Logic 20080404x2568+18
−18		(+44)14.5 − 12.5
(+12−10=5)
53.7%
14.5 / 27
0.0%
+72
53.2%
2293
0.84
1219
1 0 1 0 = = 1 = 0 = 0 1 1 1 0 0 0 = 1 0 1 1 1 0 1 0 1
–   Arasan 10.0 64-bit2564+17
−17		(+40)13.5 − 11.5
(+8−6=11)
54.0%
13.5 / 25
0.0%
+66
61.6%
1234
0.59
760
= = 1 0 0 0 1 0 1 = 1 0 1 = 1 = = 1 = 1 0 = = = =
–   Abrok 5.02561+17
−17		(+37)13 − 14
(+9−10=8)
48.1%
13.0 / 27
0.1%
+21
56.1%
1938
0.70
1087
0 1 = = 1 0 = 0 1 0 0 1 = = = 1 1 0 = = 1 0 0 1 0 1 0
–   Amyan 1.5972552+17
−17		(+28)9 − 16
(+6−13=6)
36.0%
9.0 / 25
0.6%
−72
58.6%
1879
0.51
1101
0 0 0 = = 0 0 = 0 0 = = 1 0 1 1 1 1 0 1 0 0 0 0 =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+27)10 − 17
(+6−13=8)
37.0%
10.0 / 27
1.2%
−60
58.9%
1814
0.74
1069
1 0 = 0 = = 0 = 0 0 0 0 = 1 1 0 0 0 1 0 = 1 0 0 = 1 =
–   SpiderChess 0706032546+17
−17		(+22)11 − 12
(+3−4=16)
47.8%
11.0 / 23
2.4%
+12
53.1%
772
0.68
410
= = 0 = = = = = = = 0 = = = 0 = = = = 0 1 1 1
–   Quark 2.352536+16
−16		(+12)12.5 − 17.5
(+10−15=5)
41.7%
12.5 / 30
14.7%
−48
53.2%
2331
0.74
1241
1 1 0 0 1 = 0 1 = 0 1 0 0 = 1 = = 0 0 0 1 0 0 1 0 1 0 0 1 0
–   Gaia 3.5 64-bit2536+17
−17		(+12)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
14.7%
−20
58.0%
2362
0.77
1369
0 1 1 0 1 0 0 = = 0 1 1 1 = 0 1 0 0 0 = = 0 0 1 1 = 1 = 0 0 0 1
–   King of Kings 2.562536+18
−18		(+12)11 − 14
(+8−11=6)
44.0%
11.0 / 25
15.0%
−29
54.6%
1601
0.88
874
= = 0 0 0 0 0 1 1 = 0 1 1 = 1 1 0 0 1 0 0 = 1 0 =
–   LambChop 10.992531+17
−17		(+7)16 − 12
(+13−9=6)
57.1%
16.0 / 28
28.2%
+58
58.9%
2360
0.47
1391
0 1 1 1 1 1 0 1 = = 0 0 = = 1 0 1 0 1 = 0 1 1 1 = 0 1 0
–   Nejmet 3.072521+16
−16		(−3)13 − 12
(+8−7=10)
52.0%
13.0 / 25
61.0%
+7
60.8%
1364
0.55
829
0 = = 1 1 = 1 1 0 0 0 1 0 = = = = = 1 = 1 0 0 1 =
–   Snitch 1.6.2 32-bit2521+15
−15		(−3)12 − 13
(+8−9=8)
48.0%
12.0 / 25
62.6%
−18
57.0%
1784
0.79
1016
1 = = 1 0 = = 0 = 1 1 0 0 = 0 = 1 = 0 0 1 0 0 1 1
–   RomiChess P3k 64-bit2502+18
−18		(−22)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
96.8%
−30
61.3%
1820
0.73
1116
= 0 = = = = = 1 = = 0 = 0 1 = 1 = 0 1 1 = 1 0 = 0 1 1 0 0 0 0 1
–   Amy 0.8.7b DC2500+17
−17		(−24)14.5 − 10.5
(+12−8=5)
58.0%
14.5 / 25
98.4%
+38
56.8%
1900
1.25
1080
0 1 0 0 = = 0 1 = 1 1 1 0 1 1 0 = 1 = 1 1 0 0 1 1
–   KnightDreamer 3.32499+16
−16		(−25)13 − 13
(+9−9=8)
50.0%
13.0 / 26
98.9%
−25
61.1%
1652
0.53
1010
= 0 1 0 = 0 1 = 0 1 0 1 = = 0 1 0 0 1 1 0 = 1 = = 1
–   Francesca MAD 0.13 Nobook2493+19
−19		(−31)13.5 − 8.5
(+12−7=3)
61.4%
13.5 / 22
99.5%
+58
64.5%
1702
0.63
1098
1 0 1 1 0 = 1 1 = 1 1 1 1 0 1 0 = 0 0 1 0 1
–   Leila 0.53h2490+17
−17		(−34)14.5 − 11.5
(+10−7=9)
55.8%
14.5 / 26
99.8%
+6
57.0%
1476
0.74
842
= 0 = 1 1 = = 0 = = 1 1 0 0 0 1 = 0 = 0 1 = 1 1 1 1
–   Diablo 0.5.1 JA2482+16
−16		(−42)17 − 15
(+12−10=10)
53.1%
17.0 / 32
100.0%
−19
58.1%
2242
0.64
1303
= 1 = = 1 = = 0 1 0 0 1 = 0 1 0 1 1 0 1 1 1 0 = = 1 1 0 = 0 0 =
–   PostModernist 10162480+16
−16		(−44)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+36
62.2%
2144
0.58
1334
1 1 1 0 1 1 = 0 1 1 0 0 0 1 1 0 = = 1 0 1 = 0 1 0 = 1 = 1 = 1 1
–   Djinn 0.925x2479+16
−16		(−45)17 − 11
(+14−8=6)
60.7%
17.0 / 28
100.0%
+34
54.0%
2357
0.70
1273
1 0 0 1 1 1 = = 1 1 1 0 = 0 0 1 1 = = 1 1 0 1 1 = 0 1 0
–   Comet B682478+14
−14		(−46)15 − 10
(+13−8=4)
60.0%
15.0 / 25
100.0%
+30
58.1%
2060
0.75
1197
0 0 1 0 1 1 1 0 1 0 1 = 1 0 1 = 1 1 1 0 = = 1 1 0
–   Sjeng 12.132475+14
−14		(−49)16.5 − 11.5
(+14−9=5)
58.9%
16.5 / 28
100.0%
+19
59.0%
2060
0.70
1216
0 1 0 1 = 0 = 1 0 1 1 0 0 0 1 = 1 1 = 0 1 1 = 1 0 1 1 1
–   Muse 0.899b2474+16
−16		(−50)16 − 10
(+12−6=8)
61.5%
16.0 / 26
100.0%
+25
51.8%
1513
0.58
784
1 = 0 = = 1 1 0 0 0 1 1 1 1 = 0 1 1 1 = = 1 1 = 0 =
–   Queen 4.032466+17
−17		(−58)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+19
58.2%
2464
0.72
1433
1 1 = 0 0 1 = 1 0 1 = 0 1 = = 0 1 0 1 = 0 0 1 1 1 1 1 1 1 1 = 0
–   The Crazy Bishop 00522460+15
−15		(−64)18 − 8
(+15−5=6)
69.2%
18.0 / 26
100.0%
+73
61.1%
1804
0.68
1103
= = 0 1 1 = 1 1 0 1 1 1 = 0 = 0 1 1 = 1 1 1 1 1 0 1
–   Patzer 3.802460+16
−16		(−64)14 − 18
(+9−13=10)
43.8%
14.0 / 32
100.0%
−105
53.7%
1830
0.90
983
= 1 0 1 0 = 1 = 0 1 0 = 1 = = 0 0 1 1 1 = = 0 0 0 0 = 0 1 0 0 =
–   Der Bringer 1.92455+15
−15		(−69)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
100.0%
−84
56.3%
1528
0.61
861
0 = 1 = = = 1 = 0 0 0 = 1 0 1 1 = 1 = 1 0 = 0 1 0 0
–   Gosu 0.162455+16
−16		(−69)19 − 13
(+16−10=6)
59.4%
19.0 / 32
100.0%
0
53.7%
2324
0.95
1247
= 0 1 1 = 1 0 = 0 0 1 1 0 1 0 1 1 1 1 0 = 1 0 1 0 1 = = 0 1 1 1
–   Phalanx XXII Reborn JA2452+15
−15		(−72)19 − 8
(+16−5=6)
70.4%
19.0 / 27
100.0%
+77
53.7%
1798
0.67
965
1 1 1 1 0 0 1 1 1 1 1 0 1 0 = = 1 1 = = = 1 = 1 0 1 1
–   Homer 2.012452+17
−17		(−72)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+52
55.0%
2489
0.81
1368
1 = = 1 1 1 0 0 1 = = 1 1 0 1 1 1 0 1 0 1 1 0 1 1 1 1 1 0 1 0 0
–   Betsy 6.51 Nobook2450+15
−15		(−74)16.5 − 12.5
(+13−9=7)
56.9%
16.5 / 29
100.0%
−26
60.8%
2422
0.52
1472
1 1 0 1 = 1 0 0 1 1 1 1 = 1 1 0 0 0 1 0 1 = 0 1 = = = 0 =
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−76)19 − 13
(+14−8=10)
59.4%
19.0 / 32
100.0%
−15
49.9%
2220
0.89
1107
1 0 1 0 1 1 = 1 = 0 = 0 = = 0 1 1 1 1 1 = 1 = = 1 1 = 0 0 0 1 =
–   Amateur 2.822446+15
−15		(−78)16.5 − 10.5
(+14−8=5)
61.1%
16.5 / 27
100.0%
+4
55.7%
1769
0.82
985
1 1 = 1 1 1 1 1 = 0 = 1 0 1 1 1 1 0 = 0 0 0 1 0 = 0 1
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−107)18.5 − 7.5
(+17−6=3)
71.2%
18.5 / 26
100.0%
+64
57.4%
2161
0.81
1240
1 1 1 0 0 0 1 = 1 1 1 = 1 1 1 1 0 1 = 1 1 1 1 0 0 1
–   Chezzz 1.0.32409+15
−15		(−115)19.5 − 6.5
(+19−6=1)
75.0%
19.5 / 26
100.0%
+105
56.6%
2332
0.81
1321
1 1 1 0 1 1 1 1 0 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 = 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−122)11 − 9
(+8−6=6)
55.0%
11.0 / 20
100.0%
−86
57.4%
1493
0.59
857
= 0 = 1 = = 0 = 0 0 = 1 1 1 0 1 1 0 1 1
–   Averno 0.812396+15
−15		(−128)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
−18
55.5%
1352
0.61
751
= = 1 = 1 = 0 1 1 1 1 = 1 1 = 1 0 = 0 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(−134)16.5 − 10.5
(+13−7=7)
61.1%
16.5 / 27
100.0%
−58
53.4%
1932
0.76
1032
= 1 = 0 = 1 0 1 0 1 1 = 0 1 1 = 1 1 0 1 = 1 1 1 0 0 =
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−169)17.5 − 6.5
(+13−2=9)
72.9%
17.5 / 24
100.0%
−22
59.7%
1144
0.61
683
1 1 1 0 = = 1 1 1 1 1 1 = 1 = = = 0 = 1 = 1 = 1
1406 games in total: 528 wins, 488 losses, 390 draws (27.7%), score: 51.4%
Average opponent: −11.5 (2512.5), average distance to opponent: 60.3

Performance

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

Perf = C − 0.025 [±0.182] * 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