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
Sorgenkind 0.4 WB#82  (2421+18
−18		)Quote
Author: Steffen Basting (Denmark) Released: 2008-06-27
Issues with this engine: Occasional losses on time in endgame.
This is the only Sorgenkind version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Diablo 0.5.1 JA2482+16
−16		(+61)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−37
55.9%
3012
0.82
1684
0 0 1 1 0 0 = = 0 0 0 0 0 0 0 1 1 0 1 0 1 1 0 0 0 0 = = 1 1 1 0
–   PostModernist 10162480+16
−16		(+59)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
−8
57.8%
2490
0.92
1438
0 0 0 = = 0 = = 0 1 1 1 0 0 0 0 0 1 0 1 = = 0 1 1 0 = 1 1 0 = 0
–   Djinn 0.925x2479+16
−16		(+58)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+12
52.2%
2895
1.01
1512
1 0 = 1 = 0 0 0 = = 0 = 0 0 0 0 0 1 = 1 1 1 1 1 0 1 0 0 0 0 1 1
–   Comet B682478+14
−14		(+57)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
−86
54.5%
2114
0.98
1152
0 0 1 0 0 0 1 1 = = 1 = 0 0 0 = 0 1 = 0 0 = 0 = 0 0 = 0 0 0 0 =
–   Sjeng 12.132475+14
−14		(+54)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+21
55.3%
2216
1.17
1226
1 1 = = 0 0 = 0 0 0 = = 0 = 1 1 0 0 = = 1 = 1 1 0 1 0 0 1 0 0 1
–   Muse 0.899b2474+16
−16		(+53)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+28
52.3%
2323
0.97
1214
= 0 1 0 1 0 0 0 1 0 0 0 1 = 0 0 = 1 0 1 = 0 1 = = 1 1 1 1 0 1 0
–   Queen 4.032466+17
−17		(+45)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−13
55.0%
2487
0.93
1369
0 0 0 1 0 1 0 0 = 0 1 = 1 1 1 1 = 0 0 1 1 0 0 0 = 0 = 0 1 0 = =
–   The Crazy Bishop 00522460+15
−15		(+39)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+6
55.8%
2658
0.94
1484
= 1 1 1 0 1 = 0 1 = = 1 = 1 0 1 0 0 1 0 0 0 0 = 0 1 0 0 0 0 = 1
–   Patzer 3.802460+16
−16		(+39)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.1%
−8
51.5%
2139
1.08
1102
0 0 0 0 0 1 1 0 0 = 1 0 1 0 0 = 1 0 1 1 = 0 0 0 1 1 0 1 1 0 1 =
–   Der Bringer 1.92455+15
−15		(+34)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.2%
+22
55.7%
2639
0.87
1471
= 0 0 1 = 1 1 1 1 0 1 0 0 = 0 0 1 0 = = 1 1 1 0 0 = 0 = 0 1 1 0
–   Gosu 0.162455+16
−16		(+34)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
0.2%
−39
53.0%
2173
1.03
1151
1 0 = 1 0 = 0 0 1 = = 0 0 = 0 = 0 1 0 1 = 1 0 1 0 0 0 = 0 1 = 0
–   Phalanx XXII Reborn JA2452+15
−15		(+31)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.3%
−27
51.1%
2272
1.14
1161
0 0 1 1 = 0 = 0 0 1 0 1 0 0 = 0 0 1 1 = = 1 = 1 1 0 0 = 0 0 0 1
–   Homer 2.012452+17
−17		(+31)15 − 17
(+10−12=10)
46.9%
15.0 / 32
0.5%
+11
52.1%
2106
1.01
1097
= 1 0 1 1 = 1 = 0 1 1 0 = 1 = = = 0 0 0 = 0 1 = = 1 0 0 0 0 0 1
–   Betsy 6.51 Nobook2450+15
−15		(+29)19 − 13
(+14−8=10)
59.4%
19.0 / 32
0.6%
+91
54.4%
2600
1.01
1415
1 = 1 = 0 = 0 = 0 1 0 1 = 1 1 1 1 1 = 0 = 0 0 1 1 1 0 = = = 1 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(+27)17 − 15
(+14−12=6)
53.1%
17.0 / 32
1.0%
+50
48.1%
2370
0.93
1140
1 0 = 1 1 1 0 0 1 0 1 = 0 0 1 = 0 1 0 = = 1 1 1 = 1 1 0 0 0 1 0
–   Amateur 2.822446+15
−15		(+25)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
1.5%
+39
52.0%
3190
1.24
1660
1 = 1 1 0 = 0 1 1 1 1 0 0 1 0 1 0 1 0 1 0 0 1 1 1 0 0 0 0 = 0 1
–   Tytan 9.32 64-bit2429+17
−17		(+8)18 − 14
(+17−13=2)
56.3%
18.0 / 32
26.2%
+60
  
1 1 1 0 0 0 0 0 1 0 1 1 1 0 1 0 0 1 0 0 1 1 1 1 = = 0 1 1 1 1 0
–   Sage 3.532424+19
−19		(+3)14 − 18
(+11−15=6)
43.8%
14.0 / 32
39.1%
−44
49.3%
2287
1.01
1128
0 0 1 0 0 0 = 1 0 1 0 0 0 0 0 0 1 1 = = 1 1 0 0 0 1 = 1 1 = = 1
–   Horizon 4.42419+18
−18		(−2)17 − 15
(+13−11=8)
53.1%
17.0 / 32
56.0%
+19
50.6%
2034
1.13
1030
1 0 1 0 0 1 0 1 1 1 = 0 = 1 1 0 1 0 1 0 = = 0 0 1 = 1 = = = 1 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−4)13 − 19
(+11−17=4)
40.6%
13.0 / 32
62.4%
−78
53.3%
2734
1.19
1457
1 = 1 0 = 0 0 0 0 1 1 1 1 0 0 0 = 0 = 0 0 0 1 0 1 0 0 0 1 0 1 1
–   Arion 1.72415+16
−16		(−6)17 − 15
(+14−12=6)
53.1%
17.0 / 32
69.3%
+17
56.0%
2555
1.08
1432
0 1 0 = 0 0 = 1 = 0 1 0 1 1 1 1 1 1 0 = = 1 0 1 0 1 0 = 0 0 1 1
–   AICE 0.99.22411+16
−16		(−10)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
79.1%
−23
50.5%
2237
1.12
1130
1 0 0 0 = 1 0 1 0 0 1 0 = 1 0 = 0 0 0 1 0 1 = 0 = 1 1 1 1 0 1 1
–   Chezzz 1.0.32409+15
−15		(−12)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
84.8%
+45
56.4%
2292
1.14
1293
= 1 1 1 0 0 1 0 0 = 1 = 1 1 1 1 0 0 1 0 = 1 1 0 0 = 0 = = 1 1 1
–   Asterisk 0.62402+17
−17		(−19)13 − 19
(+9−15=8)
40.6%
13.0 / 32
94.0%
−86
52.6%
2642
0.97
1390
= = 1 1 0 0 0 0 0 1 = 0 0 = = 1 0 0 1 = = 0 1 1 1 0 0 0 = 0 0 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−19)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
93.8%
−52
51.2%
2676
0.98
1371
0 0 1 1 0 = = = 0 0 1 0 0 0 0 0 1 0 1 1 1 = = = 0 0 1 0 1 1 1 =
–   Averno 0.812396+15
−15		(−25)14 − 18
(+11−15=6)
43.8%
14.0 / 32
98.4%
−69
47.9%
2744
1.24
1315
0 1 0 = 0 = 0 = 0 1 1 1 1 1 0 0 0 0 1 0 = 0 0 = 0 1 0 = 1 1 1 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(−31)18 − 14
(+15−11=6)
56.3%
18.0 / 32
99.6%
+16
55.2%
2256
1.16
1246
0 1 0 0 1 = = 0 1 1 1 1 1 1 1 0 0 0 = 0 1 = 1 0 1 1 1 0 0 = 1 =
–   KnightX 1.922385+15
−15		(−36)17 − 15
(+12−10=10)
53.1%
17.0 / 32
99.9%
−15
53.9%
1814
0.96
978
0 1 0 = 1 0 1 0 0 1 = 0 = = 0 1 0 0 1 = = 1 = 1 = 1 1 = 1 1 0 =
–   Eeyore 1.482384+15
−15		(−37)16 − 16
(+11−11=10)
50.0%
16.0 / 32
99.9%
−37
56.1%
2012
1.03
1128
= 0 1 1 = 0 = = 0 1 0 = = 1 0 = 1 = = 0 0 1 1 0 1 = 1 0 0 0 1 1
–   Ayito 0.2.9942371+16
−16		(−50)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+47
51.1%
2146
1.10
1096
1 1 = 1 1 1 = = 1 = 0 1 0 = 1 = = 0 = = 1 1 0 0 1 0 1 0 1 1 1 1
–   Matilde 2008 64-bit2368+15
−15		(−53)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
100.0%
+47
56.1%
2280
1.15
1280
0 1 1 1 1 1 1 = 0 1 = 1 1 1 1 0 = 0 = 1 1 = = 0 = 0 1 0 0 1 1 1
–   Natwarlal 0.142359+17
−17		(−62)16 − 16
(+13−13=6)
50.0%
16.0 / 32
100.0%
−62
51.7%
3232
1.26
1671
1 1 0 0 1 0 1 = 1 = = 1 1 0 = 0 = 0 0 = 1 0 0 0 0 1 1 0 0 1 1 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−66)20.5 − 11.5
(+18−9=5)
64.1%
20.5 / 32
100.0%
+41
51.4%
2364
0.93
1216
1 1 = 0 1 1 1 1 1 1 0 1 1 1 = 1 1 0 1 = 0 = = 0 0 1 0 1 0 1 1 0
–   Zeus 1.292346+16
−16		(−75)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+42
54.8%
2141
0.92
1173
1 = 1 1 0 0 1 1 0 = 1 1 0 0 1 1 1 = = 0 1 0 = 1 = 1 1 1 1 1 0 1
–   Esc 1.162345+15
−15		(−76)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+66
53.6%
1974
1.14
1058
= 1 1 1 0 1 1 1 1 0 = = = = = = 0 0 1 1 1 1 1 0 1 1 1 1 1 1 = =
1120 games in total: 436 wins, 445 losses, 239 draws (21.3%), score: 49.6%
Average opponent: +3.0 (2424), average distance to opponent: 36.3

Performance

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

Perf = C − 0.114 [±0.372] * 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