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
The Crazy Bishop 0052 WB#71–72  (2460+15
−15		)Quote
Author: Remi Coulom (France) Released: 2004-07-15Link: Homepage
This engine is stable and runs without issues.
This is the only The Crazy Bishop version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Twisted Logic 20080404x2568+18
−18		(+108)15.5 − 13.5
(+14−12=3)
53.4%
15.5 / 29
0.0%
+133
49.9%
2602
0.77
1299
= 1 0 0 0 0 1 1 1 1 1 0 = 1 0 0 = 1 1 0 1 0 1 0 1 0 0 1 1
–   Arasan 10.0 64-bit2564+17
−17		(+104)10.5 − 14.5
(+9−13=3)
42.0%
10.5 / 25
0.0%
+38
59.9%
2073
0.68
1241
1 = 1 1 0 0 0 0 0 0 1 1 = 0 0 0 = 1 1 0 1 0 0 1 0
–   Abrok 5.02561+17
−17		(+101)7 − 21
(+3−17=8)
25.0%
7.0 / 28
0.0%
−77
54.9%
2135
0.71
1173
0 1 0 = 0 0 = = 0 0 = 0 0 = = 0 = 0 0 1 0 = 0 0 1 0 0 0
–   Amyan 1.5972552+17
−17		(+92)9.5 − 18.5
(+7−16=5)
33.9%
9.5 / 28
0.0%
−27
56.3%
2675
0.52
1505
1 0 0 0 0 1 0 0 = 1 0 = 0 = 1 0 0 0 1 = 0 0 1 0 1 0 0 =
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+91)7 − 20
(+3−16=8)
25.9%
7.0 / 27
0.0%
−77
58.5%
1996
0.72
1168
0 0 0 0 0 0 = = 1 = 0 0 0 = 0 = 1 0 1 0 0 0 0 = = = 0
–   SpiderChess 0706032546+17
−17		(+86)13 − 15
(+8−10=10)
46.4%
13.0 / 28
0.0%
+61
49.3%
1951
0.71
961
0 0 = = = 1 0 = = 0 1 = 1 0 1 = 1 1 = 1 0 = 0 0 0 0 = 1
–   Quark 2.352536+16
−16		(+76)8 − 20
(+5−17=6)
28.6%
8.0 / 28
0.0%
−82
54.6%
2282
0.85
1247
= = 1 0 1 0 0 0 0 0 0 0 0 1 1 = = 1 = 0 0 0 0 = 0 0 0 0
–   Gaia 3.5 64-bit2536+17
−17		(+76)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
+22
59.7%
2278
0.61
1360
1 0 = 0 1 1 0 = 0 = 0 0 1 = 1 1 = = 1 0 = = = 1 0 0 0 1 0 0 0 0
–   King of Kings 2.562536+18
−18		(+76)8.5 − 16.5
(+7−15=3)
34.0%
8.5 / 25
0.0%
−52
54.5%
1980
0.79
1080
1 0 0 0 1 0 0 0 0 1 0 1 = 0 0 1 = = 0 0 0 1 0 0 1
–   LambChop 10.992531+17
−17		(+71)10 − 17
(+6−13=8)
37.0%
10.0 / 27
0.0%
−14
58.1%
1779
0.60
1034
0 0 0 0 = 0 1 1 = 0 1 0 1 = 0 = = = = 0 1 0 0 1 0 0 =
–   Dragon 4.62524+16
−16		(+64)8 − 18
(+5−15=6)
30.8%
8.0 / 26
0.0%
−73
61.1%
1804
0.68
1103
= = 1 0 0 = 0 0 1 0 0 0 = 1 = 1 0 0 = 0 0 0 0 0 1 0
–   Nejmet 3.072521+16
−16		(+61)10 − 12
(+6−8=8)
45.5%
10.0 / 22
0.0%
+34
57.8%
1520
0.54
879
= 1 = 1 = = = 0 0 1 0 = 0 0 0 = 1 = 0 1 1 0
–   Snitch 1.6.2 32-bit2521+15
−15		(+61)10 − 17
(+6−13=8)
37.0%
10.0 / 27
0.0%
−28
55.5%
1824
0.76
1013
0 = = 0 = 0 1 0 1 0 = 0 0 1 = 0 = 0 0 1 0 = 0 1 = 1 0
–   RomiChess P3k 64-bit2502+18
−18		(+42)9.5 − 22.5
(+4−17=11)
29.7%
9.5 / 32
0.0%
−92
61.6%
2324
0.80
1431
= = = = 0 0 0 = 1 0 0 0 = 0 = 0 1 = = 0 0 0 1 1 0 = 0 = 0 0 0 0
–   Amy 0.8.7b DC2500+17
−17		(+40)7.5 − 18.5
(+3−14=9)
28.8%
7.5 / 26
0.0%
−99
57.9%
1685
0.93
975
0 = 0 = 0 1 0 = = 0 0 0 0 0 = = = 0 0 1 = 0 0 1 0 =
–   KnightDreamer 3.32499+16
−16		(+39)7 − 21
(+3−17=8)
25.0%
7.0 / 28
0.0%
−136
55.1%
1858
0.56
1023
1 0 0 = = 0 = = 0 1 0 0 = 0 = 0 0 = 0 0 1 0 0 = 0 0 0 0
–   Francesca MAD 0.13 Nobook2493+19
−19		(+33)8 − 14
(+4−10=8)
36.4%
8.0 / 22
0.3%
−53
61.6%
1254
0.87
773
1 0 = 0 = 1 1 = = 0 = 0 0 0 0 = 0 = 1 0 = 0
–   Leila 0.53h2490+17
−17		(+30)12 − 13
(+11−12=2)
48.0%
12.0 / 25
0.3%
+17
54.3%
2481
0.87
1348
0 0 1 1 0 1 0 1 1 0 0 0 1 = 1 0 1 0 = 0 0 0 1 1 1
–   Diablo 0.5.1 JA2482+16
−16		(+22)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
2.1%
−34
56.0%
2212
0.59
1238
0 = 1 1 0 1 0 0 0 1 = = 0 1 = 0 = 0 0 0 0 = 1 0 1 1 0 0 1 1 0 =
–   PostModernist 10162480+16
−16		(+20)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
3.3%
+7
60.8%
2564
0.77
1560
0 = 1 0 = 1 1 0 = 0 1 0 1 0 0 1 1 0 1 = 1 1 0 0 0 0 = = 0 = 1 1
–   Djinn 0.925x2479+16
−16		(+19)13 − 12
(+9−8=8)
52.0%
13.0 / 25
3.7%
+33
56.3%
1931
0.46
1088
= 0 1 = 1 1 1 1 1 0 0 0 0 = = 1 0 = = 0 1 = 0 = 1
–   Comet B682478+14
−14		(+18)14.5 − 11.5
(+12−9=5)
55.8%
14.5 / 26
4.0%
+61
55.9%
2194
0.88
1226
= 1 1 1 = 1 0 = 0 1 0 0 1 = 1 1 0 0 = 1 1 0 1 0 0 1
–   Sjeng 12.132475+14
−14		(+15)13.5 − 12.5
(+10−9=7)
51.9%
13.5 / 26
6.9%
+27
57.3%
1850
0.87
1060
0 = 0 = 1 1 1 0 1 0 1 0 0 = 1 = = 1 0 1 0 = 1 0 1 =
–   Muse 0.899b2474+16
−16		(+14)16 − 12
(+15−11=2)
57.1%
16.0 / 28
9.2%
+73
53.5%
2511
0.64
1343
1 1 0 1 1 1 0 1 0 0 1 = 0 0 = 0 0 0 1 1 1 1 0 1 1 0 1 1
–   Queen 4.032466+17
−17		(+6)16 − 16
(+9−9=14)
50.0%
16.0 / 32
29.9%
+4
59.7%
1892
0.65
1129
0 = 0 1 0 = 0 = = 1 0 1 0 1 1 = 0 = = 0 1 1 1 = = = = = = 1 0 =
–   Patzer 3.802460+16
−16		(0)15 − 17
(+10−12=10)
46.9%
15.0 / 32
51.1%
−20
50.9%
2391
1.05
1218
= = 0 1 0 1 1 0 0 1 = = 1 0 1 = 0 1 1 = 1 0 = 0 0 0 = 0 = = 0 1
–   Der Bringer 1.92455+15
−15		(−5)9.5 − 11.5
(+7−9=5)
45.2%
9.5 / 21
68.4%
−35
58.9%
1588
0.42
935
= 1 1 0 1 0 0 = = 0 0 = 1 0 = 1 0 1 0 0 1
–   Gosu 0.162455+16
−16		(−5)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
68.5%
−88
51.0%
3042
0.86
1551
1 0 = = 0 0 0 1 0 0 1 1 0 0 0 0 0 1 1 0 0 = 0 = 1 1 0 0 1 1 = 0
–   Phalanx XXII Reborn JA2452+15
−15		(−8)15 − 9
(+13−7=4)
62.5%
15.0 / 24
77.8%
+80
57.6%
1934
0.58
1114
1 1 = 1 0 1 1 1 1 1 = = 1 1 0 = 0 1 0 0 0 1 1 0
–   Homer 2.012452+17
−17		(−8)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
77.8%
+44
50.0%
2192
0.97
1095
1 = 1 0 1 1 1 1 = 1 1 0 1 1 0 = 0 1 1 = 0 1 = = = = 0 0 0 = 0 1
–   Betsy 6.51 Nobook2450+15
−15		(−10)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
82.5%
−22
59.4%
1898
0.56
1128
0 0 1 0 1 0 = 0 = 1 = = 0 1 = 1 = 1 0 0 1 1 = 0 0 1
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−12)15 − 17
(+12−14=6)
46.9%
15.0 / 32
86.7%
−36
53.1%
2640
0.89
1401
= 1 1 0 0 1 = 0 1 = 0 1 = 0 = = 1 0 1 1 1 1 0 0 0 0 1 0 1 0 0 0
–   Amateur 2.822446+15
−15		(−14)13 − 12
(+10−9=6)
52.0%
13.0 / 25
90.9%
−1
56.8%
1983
1.10
1126
= 1 0 1 1 = 0 = 1 1 1 1 0 0 1 = 0 0 = 0 0 = 1 1 0
–   Tytan 9.32 64-bit2429+17
−17		(−31)15 − 17
(+12−14=6)
46.9%
15.0 / 32
99.8%
−55
  
1 0 1 = 1 1 1 1 0 1 0 0 = 0 0 1 1 = 0 0 0 0 1 0 0 = 1 0 1 = = 0
–   Sage 3.532424+19
−19		(−36)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
99.9%
+61
52.7%
2374
0.95
1251
0 0 1 1 1 1 0 1 1 = = = = 1 = 0 1 1 1 1 0 1 = = = 1 0 0 1 1 1 =
–   Sorgenkind 0.42421+18
−18		(−39)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−6
55.8%
2658
0.94
1484
= 0 0 0 1 0 = 1 0 = = 0 = 0 1 0 1 1 0 1 1 1 1 = 1 0 1 1 1 1 = 0
–   Horizon 4.42419+18
−18		(−41)16 − 16
(+14−14=4)
50.0%
16.0 / 32
100.0%
−43
54.2%
2637
1.38
1428
1 1 0 1 1 0 1 1 1 0 0 0 1 0 = 1 = 1 0 1 1 1 0 0 = 0 1 0 0 0 = 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−43)17.5 − 11.5
(+13−7=9)
60.3%
17.5 / 29
100.0%
+29
56.4%
2095
0.94
1181
= 0 1 = 1 1 = 0 1 0 0 = = 1 1 = 1 1 = 1 0 1 1 = 1 = 1 0 0
–   Arion 1.72415+16
−16		(−45)17 − 8
(+14−5=6)
68.0%
17.0 / 25
100.0%
+80
57.5%
2288
0.42
1316
1 = 1 = 1 0 1 0 0 1 1 1 1 = 0 1 = = 0 = 1 1 1 1 1
–   AICE 0.99.22411+16
−16		(−49)15 − 17
(+13−15=4)
46.9%
15.0 / 32
100.0%
−72
54.2%
2726
0.71
1477
0 0 = 1 = 0 1 = 0 1 0 0 = 1 1 1 0 1 1 1 0 1 0 1 0 0 0 0 0 1 0 1
–   Chezzz 1.0.32409+15
−15		(−51)13.5 − 14.5
(+11−12=5)
48.2%
13.5 / 28
100.0%
−63
57.7%
2575
0.58
1487
0 0 0 1 1 0 = = 1 1 1 0 0 1 1 1 0 0 1 1 0 0 = 1 = = 0 0
–   Asterisk 0.62402+17
−17		(−58)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
+76
55.4%
2425
0.42
1343
= 0 1 1 1 = 1 1 1 1 = = 0 1 1 = 1 1 1 0 = 1 0 1 = = 1 1 1 1 0 0
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−58)13.5 − 5.5
(+10−2=7)		71.1%
13.5 / 19
100.0%
+81
56.5%
1495
0.36
844
= = 0 1 1 = 0 = = 1 1 1 = 1 1 = 1 1 1
–   Averno 0.812396+15
−15		(−64)15.5 − 11.5
(+13−9=5)
57.4%
15.5 / 27
100.0%
−8
57.3%
2046
0.44
1172
0 0 1 0 1 0 0 1 0 1 = 1 1 0 = = 1 = = 1 1 1 0 1 1 1 0
–   Scidlet 3.61 64-bit JA2390+15
−15		(−70)15.5 − 9.5
(+13−7=5)
62.0%
15.5 / 25
100.0%
+17
60.1%
2081
0.66
1250
0 0 1 0 0 1 = 1 = 1 0 0 = 1 1 1 1 1 1 1 0 1 = 1 =
–   KnightX 1.922385+15
−15		(−75)18 − 9
(+16−7=4)
66.7%
18.0 / 27
100.0%
+55
54.4%
2592
0.56
1409
0 = 1 1 1 0 1 1 = 1 0 = 1 1 0 = 1 1 1 1 0 1 1 0 0 1 1
–   Eeyore 1.482384+15
−15		(−76)17.5 − 9.5
(+15−7=5)
64.8%
17.5 / 27
100.0%
+38
58.3%
2423
0.54
1413
1 1 1 1 1 1 0 1 1 0 1 = 1 0 0 1 1 = = 1 0 1 = 1 0 = 0
–   Ayito 0.2.9942371+16
−16		(−89)16.5 − 11.5
(+13−8=7)
58.9%
16.5 / 28
100.0%
−27
52.3%
2218
0.64
1159
= 0 1 1 = 0 0 1 0 1 1 1 1 = = 0 1 1 = 0 0 1 1 1 0 = 1 =
–   Matilde 2008 64-bit2368+15
−15		(−92)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+74
55.9%
2247
0.52
1257
1 1 = 1 = 1 = 1 0 1 0 1 = 1 1 1 1 0 = 1 1 0 1 1 1 1 0 1 0 1 1 =
–   Natwarlal 0.142359+17
−17		(−101)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
+80
54.3%
2519
0.67
1367
1 1 = 1 1 0 = 1 1 1 0 1 1 = = 1 0 1 1 = 0 1 1 = 1 1 1 1 = 1 1 =
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−105)18.5 − 9.5
(+13−4=11)
66.1%
18.5 / 28
100.0%
0
58.7%
1538
0.56
903
= = 1 1 0 0 1 1 0 = = 1 = 1 1 1 1 1 1 = = = 1 = 1 = 0 =
–   Zeus 1.292346+16
−16		(−114)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+102
54.4%
2270
0.63
1236
1 1 1 1 1 1 = 1 0 0 1 1 1 1 0 = 1 1 0 1 1 = = = = 1 1 1 1 1 1 1
–   Esc 1.162345+15
−15		(−115)17.5 − 10.5
(+14−7=7)
62.5%
17.5 / 28
100.0%
−29
54.2%
2318
0.55
1257
1 0 0 1 1 = 1 1 = = = 1 1 1 = 0 1 0 0 1 = 1 = 1 1 1 0 0
–   ANT 2006-F2333+16
−16		(−127)21.5 − 8.5
(+20−7=3)
71.7%
21.5 / 30
100.0%
+52
55.9%
2581
0.53
1444
1 1 1 1 1 1 1 = 1 0 1 1 1 0 1 1 1 1 0 0 = = 0 1 0 1 1 0 1 1
–   GNU Chess 5.07 64-bit JA2332+22
−22		(−128)14.5 − 10.5
(+13−9=3)
58.0%
14.5 / 25
100.0%
−61
51.8%
1551
0.78
803
0 1 1 0 0 = 1 0 1 1 1 1 = 1 = 1 0 1 0 1 0 0 1 1 0
–   Dorky 3.482308+16
−16		(−152)19 − 5
(+17−3=4)
79.2%
19.0 / 24
100.0%
+79
54.1%
2061
0.90
1116
1 1 = 1 0 0 1 1 1 1 1 1 0 = 1 1 = 1 1 1 = 1 1 1
–   CyberPagno 2.1 32MB2295+16
−16		(−165)21 − 6
(+18−3=6)
77.8%
21.0 / 27
100.0%
+43
54.5%
1724
0.45
940
= 1 1 0 = 1 1 1 1 1 1 1 = = 1 1 1 1 1 0 1 = 1 1 0 1 =
–   Latista (Sinobyl) 1.52289+16
−16		(−171)18 − 12
(+16−10=4)
60.0%
18.0 / 30
100.0%
−88
54.0%
2728
0.54
1473
1 1 0 = 0 1 1 1 1 0 0 = 1 1 0 1 0 = 0 1 1 1 0 1 0 1 1 0 1 =
–   Madeleine 0.22285+15
−15		(−175)21 − 6
(+20−5=2)
77.8%
21.0 / 27
100.0%
+63
55.3%
2815
0.71
1556
1 = 1 1 1 1 1 1 0 1 1 0 1 1 1 1 1 1 0 = 1 1 0 0 1 1 1
–   Chispa 4.0.32273+14
−14		(−187)18.5 − 4.5
(+14−0=9)
80.4%
18.5 / 23
100.0%
+9
57.6%
1200
0.61
691
1 1 = = 1 = 1 1 1 1 1 = 1 = = 1 = = 1 1 1 1 =
–   InmiChess 3.06N2241+15
−15		(−219)21 − 5
(+18−2=6)
80.8%
21.0 / 26
100.0%
+14
54.9%
1545
0.63
848
1 1 1 0 1 1 1 0 = = 1 = 1 1 1 1 1 1 1 1 1 1 = 1 = =
–   Fortress 1.622216+15
−15		(−244)22.5 − 4.5
(+20−2=5)
83.3%
22.5 / 27
100.0%
+20
55.0%
2229
0.64
1226
1 1 1 1 1 0 1 = = 1 1 0 1 1 = 1 1 1 = 1 1 1 1 1 1 = 1
1728 games in total: 725 wins, 607 losses, 396 draws (22.9%), score: 53.4%
Average opponent: −26.1 (2433.9), average distance to opponent: 69.2

Performance

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

Perf = C − 0.165 [±0.171] * 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