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
Sage 3.53 WB#81  (2424+19
−19
)Quote
Author: David Dahlem (USA) Released: 2008-05-18Link: WBEC
This engine is stable and runs without issues.
This is the only Sage version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Diablo 0.5.1 JA2482+16
−16
(+58)13.5 − 18.5
(+8−13=11)
42.2%
13.5 / 32
0.0%
+6
56.8%
1764
0.77
1002
= = 1 0 1 0 0 = 0 = 0 0 0 = = 1 0 = 0 1 1 0 = 1 0 1 = 1 = 0 = 0
–   PostModernist 10162480+16
−16
(+56)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
−7
59.8%
2285
0.88
1367
0 1 0 1 0 0 1 = 1 = 1 0 0 = = 1 0 = 0 1 0 0 0 = 0 0 = 1 = 0 = =
–   Djinn 0.925x2479+16
−16
(+55)12.5 − 19.5
(+11−18=3)
39.1%
12.5 / 32
0.0%
−34
52.1%
2382
1.03
1240
0 0 0 0 0 0 1 1 0 1 0 = 1 1 0 1 0 0 1 0 = 1 0 0 0 0 1 1 0 0 = 1
–   Comet B682478+14
−14
(+54)10.5 − 21.5
(+8−19=5)
32.8%
10.5 / 32
0.0%
−77
55.9%
2151
0.85
1202
= 1 = 0 0 0 1 1 0 1 0 0 = 1 0 0 1 0 0 0 = 1 0 = 1 0 0 0 0 0 0 0
–   Sjeng 12.132475+14
−14
(+51)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+61
57.0%
2201
0.91
1255
= 1 = 0 0 1 1 1 0 = 0 1 1 1 1 = 0 0 1 = = 0 = 1 0 0 0 1 1 0 0 1
–   Muse 0.899b2474+16
−16
(+50)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
0.0%
−33
50.3%
2457
0.87
1237
= 1 0 1 0 0 0 1 1 0 1 0 0 = 0 = 0 0 0 = 1 0 0 0 = 0 0 1 1 0 1 1
–   Queen 4.032466+17
−17
(+42)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+9
56.2%
1996
0.93
1122
0 1 0 0 1 1 0 1 0 0 0 0 1 = 0 = = 1 1 0 1 1 = = = 0 = = 1 0 0 =
–   The Crazy Bishop 00522460+15
−15
(+36)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.1%
−61
52.7%
2374
0.95
1251
1 1 0 0 0 0 1 0 0 = = = = 0 = 1 0 0 0 0 1 0 = = = 0 1 1 0 0 0 =
–   Patzer 3.802460+16
−16
(+36)10.5 − 21.5
(+10−21=1)
32.8%
10.5 / 32
0.2%
−112
52.6%
2364
1.19
1243
1 1 0 0 1 0 0 0 1 0 1 0 0 1 0 0 0 0 1 0 0 1 0 0 0 1 0 0 = 0 0 1
–   Der Bringer 1.92455+15
−15
(+31)11.5 − 20.5
(+8−17=7)
35.9%
11.5 / 32
0.4%
−70
53.0%
2402
0.88
1274
= 1 1 1 0 0 = = 0 = 0 0 0 0 0 0 = 1 0 0 1 = 1 1 0 0 = 1 0 0 0 0
–   Gosu 0.162455+16
−16
(+31)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.5%
+21
53.5%
2511
1.04
1343
1 1 1 1 = = 0 0 0 = 0 = 0 0 0 0 0 1 1 = = 1 1 1 1 0 1 0 0 1 0 =
–   Phalanx XXII Reborn JA2452+15
−15
(+28)14 − 18
(+9−13=10)
43.8%
14.0 / 32
0.8%
−13
52.2%
1863
0.82
972
= 0 1 = 0 1 0 0 0 = 0 = 1 0 = 0 = 1 0 = 1 1 0 0 1 0 = = = 0 1 1
–   Homer 2.012452+17
−17
(+28)13 − 19
(+8−14=10)
40.6%
13.0 / 32
1.2%
−36
51.2%
1828
0.93
936
0 0 0 0 0 1 1 0 1 0 1 = = 1 = 1 0 = = 1 0 1 = 0 = = = 0 0 0 0 =
–   Betsy 6.51 Nobook2450+15
−15
(+26)16 − 16
(+13−13=6)
50.0%
16.0 / 32
1.4%
+24
53.7%
2285
0.99
1226
= 1 1 0 0 0 = 1 = = 1 0 0 0 1 0 0 1 0 0 1 = 1 1 1 = 1 0 0 1 0 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16
(+24)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
2.2%
−11
50.4%
2289
0.94
1154
0 1 = 0 = 1 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 0 = 0 1 1 1 0 0 0 0
–   Amateur 2.822446+15
−15
(+22)16 − 16
(+12−12=8)
50.0%
16.0 / 32
3.1%
+23
54.4%
1887
1.01
1026
= 1 0 0 1 = = 0 1 1 = 1 0 = 1 = 1 0 1 = 0 1 0 0 1 1 1 0 0 = 0 0
–   Tytan 9.32 64-bit2429+17
−17
(+5)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
36.4%
−74
  
1 0 = = 1 0 0 = 0 0 0 0 1 1 = 0 0 0 = 0 0 1 1 = 0 0 1 0 1 1 = 0
–   Sorgenkind 0.42421+18
−18
(−3)18 − 14
(+15−11=6)
56.3%
18.0 / 32
60.9%
+44
49.3%
2287
1.01
1128
1 1 0 1 1 1 = 0 1 0 1 1 1 1 1 1 0 0 = = 0 0 1 1 1 0 = 0 0 = = 0
–   Horizon 4.42419+18
−18
(−5)20.5 − 11.5
(+17−8=7)
64.1%
20.5 / 32
66.7%
+94
51.4%
2295
1.39
1179
0 = = 1 = 1 = 1 = 1 1 1 = 1 0 1 = 0 1 1 1 0 0 1 1 0 1 0 1 0 1 1
–   Thor's Hammer 2.28 32-bit2417+15
−15
(−7)18 − 14
(+16−12=4)
56.3%
18.0 / 32
73.1%
+42
52.0%
2881
1.05
1497
0 1 0 = = 1 0 0 1 0 1 1 1 = 1 0 0 1 1 0 1 = 1 1 1 0 0 1 1 0 1 0
–   Arion 1.72415+16
−16
(−9)13 − 19
(+8−14=10)
40.6%
13.0 / 32
78.8%
−72
57.2%
2176
1.13
1244
1 = 1 0 0 1 0 0 0 = 0 = = 0 = 0 1 1 = 0 0 = 1 1 = = 0 1 = 0 0 0
–   AICE 0.99.22411+16
−16
(−13)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
86.6%
−1
50.1%
2363
1.11
1184
1 1 1 0 0 = = 1 0 1 1 1 1 1 = = 0 1 0 0 0 1 1 0 = 0 = = 0 0 0 1
–   Chezzz 1.0.32409+15
−15
(−15)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
90.7%
−45
52.5%
1955
1.05
1027
0 0 1 0 = = 1 = 0 0 1 1 1 0 = = 0 1 0 = = 0 0 = 0 0 1 1 = 1 = =
–   Asterisk 0.62402+17
−17
(−22)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
96.7%
+113
54.7%
1657
0.92
907
1 0 = = 1 1 1 1 1 = = 1 1 = 1 = 1 0 1 1 = 1 0 1 = = 1 = 1 0 = 1
–   Resp 0.19 64-bit JA Nobook2402+16
−16
(−22)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
96.6%
+105
50.5%
2366
1.06
1196
0 0 1 = 1 1 = 0 = 1 1 1 0 1 1 0 0 = 1 1 1 = 1 1 = 1 1 1 1 0 = 1
–   Averno 0.812396+15
−15
(−28)20 − 12
(+16−8=8)
62.5%
20.0 / 32
99.3%
+60
52.6%
1870
0.97
983
1 = = = 0 1 1 1 = = 0 0 1 1 1 0 = 1 1 1 1 0 0 1 1 1 = = 1 0 1 0
–   Scidlet 3.61 64-bit JA2390+15
−15
(−34)22 − 10
(+18−6=8)
68.8%
22.0 / 32
99.8%
+100
57.5%
1950
1.08
1121
1 1 = = = 0 = 1 1 0 1 1 1 1 1 = = 1 1 1 1 1 0 1 1 = 1 0 0 = 1 0
–   KnightX 1.922385+15
−15
(−39)17.5 − 14.5
(+17−14=1)
54.7%
17.5 / 32
100.0%
+1
53.0%
2570
0.94
1361
1 0 1 0 0 0 1 1 1 0 1 1 0 0 1 1 0 0 0 = 1 0 1 1 1 0 1 1 0 1 1 0
–   Eeyore 1.482384+15
−15
(−40)14 − 18
(+10−14=8)
43.8%
14.0 / 32
100.0%
−84
53.0%
2441
1.03
1293
= 1 1 = 0 1 = 1 = 1 1 0 0 0 1 0 0 0 0 = 0 1 0 0 0 = 0 1 0 = 1 =
–   Ayito 0.2.9942371+16
−16
(−53)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+64
58.0%
2407
1.09
1397
1 = 1 = = 1 1 1 1 0 1 1 1 0 0 1 1 0 1 = 1 0 1 1 0 = 1 0 1 1 = 0
–   Matilde 2008 64-bit2368+15
−15
(−56)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
+75
57.0%
2016
1.09
1149
0 1 1 1 = 0 = 1 1 1 = 0 = 1 1 1 1 0 = 1 1 1 = 1 1 0 0 = = 1 1 1
–   Natwarlal 0.142359+17
−17
(−65)14 − 18
(+9−13=10)
43.8%
14.0 / 32
100.0%
−109
55.0%
1940
0.86
1067
1 0 0 1 1 0 1 0 = 0 0 = 0 1 0 = 1 = 1 0 = = 1 1 0 = 0 = = 0 0 =
–   EXchess 5.01 beta 64-bit JA2355+14
−14
(−69)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−23
52.0%
2295
1.00
1193
= 1 0 1 0 = 1 1 = 0 1 0 1 0 1 0 = = = 1 1 1 1 = 0 1 = 0 0 0 1 1
–   Zeus 1.292346+16
−16
(−78)21 − 11
(+15−5=12)
65.6%
21.0 / 32
100.0%
+23
52.9%
1971
1.06
1042
1 = 1 1 = 1 1 0 0 1 1 = 1 1 1 = = = 1 = 1 0 = 1 1 1 0 0 = = = =

Performance

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

Perf = C − 0.361 [±0.517] * 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