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
PostModernist 1016 WB#65  (2480+16
−16		)Quote
Author: Andrew Williams (United Kingdom) Released: 2006-06-28Link: Homepage
This engine is stable and runs without issues.
This is the only PostModernist version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Tao 5.62574+17
−17		(+94)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.0%
+19
60.1%
2385
0.58
1434
0 1 0 0 1 0 0 = 0 = = = 0 1 0 1 = 1 0 0 = 0 = = 1 0 0 1 = 0 0 1
–   Twisted Logic 20080404x2568+18
−18		(+88)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−20
56.7%
2465
0.81
1398
0 0 0 0 = 1 0 0 1 0 1 0 0 1 1 = 0 0 1 0 0 1 = 0 0 0 = 0 1 1 0 =
–   Arasan 10.0 64-bit2564+17
−17		(+84)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−7
60.7%
2407
0.61
1460
0 1 0 1 = = 1 1 0 0 = 0 1 0 0 0 0 1 0 1 = 0 0 = 0 0 1 0 = 1 0 0
–   Abrok 5.02561+17
−17		(+81)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−66
58.1%
1963
0.62
1140
0 = 0 0 1 0 1 0 = = 0 = 0 1 0 0 = 0 0 = 1 1 0 0 0 0 0 0 0 = 1 0
–   Amyan 1.5972552+17
−17		(+72)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−35
59.6%
2995
0.54
1784
0 = 1 0 0 1 = 0 0 1 0 0 0 0 0 1 0 0 1 0 = 0 0 1 0 1 1 0 0 = = 1
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+71)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−35
61.4%
2511
0.65
1543
1 0 1 1 1 = 0 0 = = 0 0 1 1 1 0 0 0 = 0 0 0 0 0 1 0 0 0 1 = 0 0
–   SpiderChess 0706032546+17
−17		(+66)15 − 17
(+9−11=12)
46.9%
15.0 / 32
0.0%
+45
56.5%
1955
0.59
1104
= 0 0 = 0 0 0 1 = 0 0 = 1 1 = 0 0 1 = 0 1 0 = 1 = = 1 = 1 1 = =
–   Quark 2.352536+16
−16		(+56)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
−9
61.9%
2093
0.63
1296
0 1 0 1 0 = 0 1 = = = 1 0 1 0 0 0 1 0 0 1 = = 0 0 = 0 0 1 1 = 0
–   Gaia 3.5 64-bit2536+17
−17		(+56)18 − 14
(+11−7=14)
56.3%
18.0 / 32
0.0%
+96
63.0%
1642
0.66
1034
= = 0 = 0 1 1 0 = = 1 1 0 = 0 1 = 1 0 = 1 = 0 1 = = = = 1 1 1 =
–   King of Kings 2.562536+18
−18		(+56)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−25
58.4%
2227
0.74
1300
0 0 0 0 1 0 0 1 1 = 1 = 1 0 = 0 0 = 0 0 1 0 0 1 0 1 0 0 1 0 1 =
–   LambChop 10.992531+17
−17		(+51)17 − 15
(+14−12=6)
53.1%
17.0 / 32
0.0%
+73
62.2%
2319
0.66
1443
1 = 1 1 = 0 1 0 0 1 0 1 0 1 0 0 = = = 1 1 1 1 1 1 0 = 0 0 0 0 1
–   Dragon 4.62524+16
−16		(+44)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
−36
62.2%
2144
0.58
1334
0 0 0 1 0 0 = 1 0 0 1 1 1 0 0 1 = = 0 1 0 = 1 0 1 = 0 = 0 = 0 0
–   Nejmet 3.072521+16
−16		(+41)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
0.0%
+31
60.2%
2199
0.60
1324
0 1 = 0 1 1 1 = = = 0 0 0 1 0 = 1 0 1 0 = 1 0 0 = = 1 = 1 0 = =
–   Snitch 1.6.2 32-bit2521+15
−15		(+41)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
−95
56.2%
2468
0.80
1388
0 1 0 1 0 1 0 = 1 0 0 0 0 0 0 = 0 0 = 0 = 0 1 1 = 0 0 0 0 1 1 0
–   RomiChess P3k 64-bit2502+18
−18		(+22)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
2.9%
+12
67.5%
2120
0.77
1430
1 1 = 1 = 1 = 1 = 1 1 1 0 0 0 1 0 1 0 0 0 1 = = 0 1 0 0 0 = 0 0
–   Amy 0.8.7b DC2500+17
−17		(+20)17 − 15
(+12−10=10)
53.1%
17.0 / 32
3.5%
+40
58.0%
2179
0.76
1263
1 = 0 1 1 1 0 0 1 = 1 0 = 1 0 = 0 1 = = 0 0 = = 1 0 1 1 = 1 = 0
–   KnightDreamer 3.32499+16
−16		(+19)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
4.4%
−17
60.1%
2463
0.54
1480
0 0 1 1 = 1 = 1 1 1 1 0 1 1 1 = 0 = 0 0 0 0 = 0 0 0 1 0 1 0 0 0
–   Francesca MAD 0.13 Nobook2493+19
−19		(+13)16.5 − 15.5
(+12−11=9)
51.6%
16.5 / 32
13.6%
+24
64.5%
2447
0.74
1578
1 = 1 0 1 0 0 1 = 1 0 1 0 = = 1 1 0 1 0 0 = 1 = 1 1 0 = = 0 = 0
–   Leila 0.53h2490+17
−17		(+10)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
16.9%
0
56.4%
2722
0.83
1535
0 1 0 0 0 1 0 1 0 = 1 0 1 0 1 1 1 0 0 1 = = 0 1 0 = = 1 0 = 1 =
–   Diablo 0.5.1 JA2482+16
−16		(+2)11 − 21
(+6−16=10)
34.4%
11.0 / 32
41.6%
−105
61.5%
2149
0.57
1322
1 = 0 1 = = 0 = 0 = = 0 0 0 0 = = = 0 = 1 0 0 0 0 1 0 0 1 1 0 0
–   Djinn 0.925x2479+16
−16		(−1)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
51.9%
+11
58.5%
2607
0.64
1526
0 1 = = 1 0 0 1 1 1 1 0 1 0 1 0 1 1 = 0 1 1 = = 0 0 0 0 0 1 1 0
–   Comet B682478+14
−14		(−2)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
56.5%
+79
61.7%
2235
0.73
1380
0 1 0 1 1 0 1 0 1 1 1 = 0 1 0 0 1 0 = 1 1 = 1 = 1 = 1 = 1 0 = 1
–   Sjeng 12.132475+14
−14		(−5)15 − 17
(+11−13=8)
46.9%
15.0 / 32
66.9%
−28
58.2%
2263
0.72
1316
0 0 0 0 1 0 = 1 = 0 0 1 1 0 1 1 0 0 = 1 0 1 1 = = = = 1 0 0 = 1
–   Muse 0.899b2474+16
−16		(−6)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
69.2%
+6
56.3%
2797
0.85
1574
1 = 0 0 0 1 1 0 = 0 1 0 1 1 = 0 0 0 = 1 0 1 1 = 0 1 0 1 1 0 1 1
–   Queen 4.032466+17
−17		(−14)13.5 − 18.5
(+6−11=15)
42.2%
13.5 / 32
88.5%
−62
62.5%
1732
0.54
1082
= 1 0 0 0 = 0 = 0 0 0 = = = 0 = 0 = = = 1 = 0 1 = 1 = 1 1 = = 0
–   The Crazy Bishop 00522460+15
−15		(−20)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
96.7%
−7
60.8%
2564
0.77
1560
1 = 0 1 = 0 0 1 = 1 0 1 0 1 1 0 0 1 0 = 0 0 1 1 1 1 = = 1 = 0 0
–   Patzer 3.802460+16
−16		(−20)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
96.5%
+28
56.1%
1746
0.95
979
= 1 1 1 = 1 0 0 1 0 = 1 = 0 1 1 = = 1 1 = 0 1 = 1 = = 1 = 0 0 0
–   Der Bringer 1.92455+15
−15		(−25)19 − 13
(+17−11=4)
59.4%
19.0 / 32
98.9%
+50
61.1%
2225
0.68
1359
1 1 1 0 1 1 0 1 = 1 0 1 = 1 1 1 1 0 = 1 1 1 = 1 0 0 0 0 0 0 0 1
–   Gosu 0.162455+16
−16		(−25)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
98.8%
−33
58.8%
2268
0.83
1333
= 0 = 0 1 0 1 1 1 1 1 0 = 0 = = = 0 1 0 1 1 0 1 = 1 0 0 0 = = 0
–   Phalanx XXII Reborn JA2452+15
−15		(−28)17 − 15
(+13−11=8)
53.1%
17.0 / 32
99.5%
−5
58.4%
2312
0.66
1351
1 0 1 1 0 1 0 = = = 0 1 1 0 = 1 1 0 0 = 1 1 0 0 0 1 1 1 = = = 0
–   Homer 2.012452+17
−17		(−28)17 − 15
(+16−14=2)
53.1%
17.0 / 32
99.4%
−3
60.2%
2480
0.75
1492
1 1 0 1 0 0 = 1 0 = 1 1 1 1 0 0 0 1 1 1 0 1 1 0 0 1 0 0 0 0 1 1
–   Betsy 6.51 Nobook2450+15
−15		(−30)18 − 14
(+14−10=8)
56.3%
18.0 / 32
99.7%
+13
61.2%
2329
0.51
1426
= 1 1 1 1 0 0 0 = 0 1 1 1 1 0 1 0 0 = 1 1 = 0 1 = 0 = = 1 0 = 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−32)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
99.8%
−86
58.1%
1950
0.64
1133
1 = = 0 = 0 0 1 1 1 1 0 0 1 = 1 1 0 0 1 0 = 0 0 0 0 0 = = = 0 =
–   Amateur 2.822446+15
−15		(−34)20 − 12
(+16−8=8)
62.5%
20.0 / 32
99.9%
+55
59.2%
2173
0.78
1286
0 = 1 1 1 = 1 1 = 0 1 0 1 0 0 = 1 = 1 1 1 1 0 1 = = 0 1 = 0 1 1
–   Tytan 9.32 64-bit2429+17
−17		(−51)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+117
  
1 1 = 0 1 1 1 1 = 1 1 0 = 1 1 0 1 0 1 = 1 1 1 1 1 1 = 0 = 1 0 1
–   Sage 3.532424+19
−19		(−56)19 − 13
(+14−8=10)
59.4%
19.0 / 32
100.0%
+7
59.8%
2285
0.88
1367
1 0 1 0 1 1 0 = 0 = 0 1 1 = = 0 1 = 1 0 1 1 1 = 1 1 = 0 = 1 = =
–   Sorgenkind 0.42421+18
−18		(−59)19 − 13
(+15−9=8)
59.4%
19.0 / 32
100.0%
+8
57.8%
2490
0.92
1438
1 1 1 = = 1 = = 1 0 0 0 1 1 1 1 1 0 1 0 = = 1 0 0 1 = 0 0 1 = 1
–   Horizon 4.42419+18
−18		(−61)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
+12
61.0%
2548
1.13
1555
= 1 1 0 1 = 0 1 1 0 1 1 1 1 0 0 1 1 = 1 0 1 1 0 1 1 1 0 0 = 0 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−63)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
100.0%
−31
61.1%
2218
0.70
1355
0 1 1 1 = = 0 0 1 1 1 1 1 1 = = 0 0 = 0 = 0 = = 1 1 0 0 1 0 1 =
–   Arion 1.72415+16
−16		(−65)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
100.0%
−98
64.7%
2547
0.64
1647
0 0 1 0 1 1 = 1 = 0 0 = 0 1 0 1 = 0 0 = = 1 1 0 0 0 1 1 0 0 1 =
–   AICE 0.99.22411+16
−16		(−69)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+39
57.4%
2004
0.84
1151
1 = 1 = 1 1 1 = 1 1 0 1 0 1 1 1 0 1 1 = 0 1 = 0 0 = = = 1 1 0 1
–   Chezzz 1.0.32409+15
−15		(−71)21 − 11
(+16−6=10)
65.6%
21.0 / 32
100.0%
+33
59.6%
1961
0.79
1169
1 0 = 1 1 1 = 1 1 1 0 = 1 1 0 = 0 1 = 1 1 1 1 0 = = = 1 = 0 1 =
–   Asterisk 0.62402+17
−17		(−78)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
−26
62.4%
1940
0.47
1210
0 0 1 1 0 1 1 1 = 1 1 1 = = = 0 0 0 1 = = = 1 = = 0 1 1 1 = 0 =
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−78)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+17
55.7%
3077
0.68
1715
0 1 0 0 1 1 1 = 1 1 = 1 0 1 = 0 = 1 1 1 0 1 1 1 = 0 0 1 1 = 1 0
–   Averno 0.812396+15
−15		(−84)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+105
57.7%
2014
0.81
1162
1 = 0 = 1 1 1 1 1 = 1 1 0 0 1 = 1 1 1 1 1 = = 1 = 1 = 1 1 1 1 =
–   Scidlet 3.61 64-bit JA2390+15
−15		(−90)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−66
63.3%
2361
0.59
1495
1 = 1 1 = 0 = 1 0 0 = = 1 0 1 0 1 0 0 1 1 0 1 0 0 1 1 1 1 = 0 0
–   KnightX 1.922385+15
−15		(−95)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−52
59.2%
2205
0.67
1305
1 1 1 0 = = = 0 1 0 1 1 = 1 = 0 1 = = 0 1 0 0 1 1 0 0 1 1 0 1 =
–   Eeyore 1.482384+15
−15		(−96)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
−6
62.8%
2347
0.87
1473
0 1 0 1 0 1 1 = 0 1 = 1 = 0 1 1 0 0 1 0 1 1 = = = = = 1 1 1 1 1
1536 games in total: 596 wins, 571 losses, 369 draws (24.0%), score: 50.8%
Average opponent: −6.2 (2473.8), average distance to opponent: 47.4

Performance

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

Perf = C − 0.032 [±0.265] * 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