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
KnightDreamer 3.3 WB#61  (2499+16
−16		)Quote
Author: Johan Melin (Sweden) Released: 2004-07-22Link: Homepage
KnightDreamer is using 3-to-5-men endgame tablebases of its own format (239 MB).
This engine is stable and runs without issues.
This is the only KnightDreamer version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Trace 1.37a2622+17
−17		(+123)8 − 19
(+3−14=10)
29.6%
8.0 / 27
0.0%
−10
55.1%
1605
0.77
884
= = 0 0 1 0 = = 0 = = 0 0 = 0 0 1 = = 0 = 0 0 0 0 0 1
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(+115)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
0.0%
+52
56.5%
1895
1.00
1070
1 0 1 0 1 0 0 0 = 1 1 1 = = 0 = 0 = = 0 0 0 0 0 1 = 0 1
–   Yace 0.99.872609+17
−17		(+110)9 − 18
(+5−14=8)
33.3%
9.0 / 27
0.0%
−6
58.9%
2063
0.50
1216
= 0 = 0 = 0 0 0 0 0 1 0 = 0 1 1 0 0 0 1 = 0 0 = = = 1
–   Pepito 1.59 32-bit2595+19
−19		(+96)10.5 − 15.5
(+6−11=9)
40.4%
10.5 / 26
0.0%
+34
57.0%
1484
0.62
846
0 = 1 = = 0 = 0 1 0 0 1 = 1 0 0 0 1 0 = 0 0 1 = = =
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(+85)6.5 − 20.5
(+3−17=7)
24.1%
6.5 / 27
0.0%
−103
55.9%
2068
0.63
1156
0 0 0 0 0 = = = 0 0 0 0 = 1 0 = 0 0 0 1 0 0 = 0 = 0 1
–   Green Light Chess 3.002582+17
−17		(+83)12.5 − 15.5
(+5−8=15)
44.6%
12.5 / 28
0.0%
+50
55.0%
1464
0.59
805
= = = 1 = = 1 = 0 = 1 = 0 0 0 1 0 = 1 0 = 0 0 = = = = =
–   Tao 5.62574+17
−17		(+75)10 − 16
(+5−11=10)
38.5%
10.0 / 26
0.0%
−3
57.5%
1255
0.64
721
= 0 0 = 0 = 0 = = 0 = 0 0 = 0 = = 1 0 1 1 1 1 0 = 0
–   Cerebro 3.03d2572+19
−19		(+73)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+25
56.9%
2088
0.77
1188
1 0 = 1 0 0 = 0 = 1 0 1 0 1 0 0 1 0 = 1 1 0 1 0 0 = 0 = 1 1 0 0
–   Twisted Logic 20080404x2568+18
−18		(+69)12 − 17
(+9−14=6)
41.4%
12.0 / 29
0.0%
+4
51.3%
2258
0.71
1158
0 0 1 0 1 0 0 = 0 0 0 0 0 0 1 1 = 1 0 = = 1 0 0 = = 1 1 1
–   Arasan 10.0 64-bit2564+17
−17		(+65)9.5 − 13.5
(+6−10=7)
41.3%
9.5 / 23
0.0%
+7
58.4%
1746
0.59
1020
0 = = 0 = 0 1 = 1 1 0 0 0 0 = 1 0 1 = 1 0 = 0
–   Abrok 5.02561+17
−17		(+62)16.5 − 11.5
(+13−8=7)
58.9%
16.5 / 28
0.0%
+124
54.3%
2208
0.64
1200
0 0 0 = 0 1 = = 0 1 0 = 1 1 = 0 1 1 0 1 = 1 = 1 1 1 1 1
–   Amyan 1.5972552+17
−17		(+53)8.5 − 16.5
(+6−14=5)
34.0%
8.5 / 25
0.0%
−66
58.2%
1765
0.49
1027
0 = 1 0 1 0 0 = = = 0 0 0 0 1 0 1 0 0 = 1 1 0 0 0
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(+52)7.5 − 12.5
(+4−9=7)
37.5%
7.5 / 20
0.0%
−30
54.8%
1368
0.75
749
0 0 = 1 1 = 1 1 = 0 = = 0 = 0 0 0 = 0 0
–   SpiderChess 0706032546+17
−17		(+47)13.5 − 13.5
(+7−7=13)
50.0%
13.5 / 27
0.0%
+44
54.4%
1367
0.55
743
= = 1 = 0 = = = 1 1 0 = 1 0 = 0 = = 0 1 = 1 0 1 0 = =
–   Quark 2.352536+16
−16		(+37)8 − 19
(+5−16=6)
29.6%
8.0 / 27
0.0%
−109
54.9%
1658
0.77
911
0 0 0 = 0 = 1 0 0 0 = 1 0 = 0 0 = 0 0 = 1 0 0 0 1 1 0
–   Gaia 3.5 64-bit2536+17
−17		(+37)13 − 19
(+10−16=6)
40.6%
13.0 / 32
0.1%
−31
50.8%
3220
0.79
1635
0 0 1 1 0 1 0 0 0 0 = 0 0 0 1 = = 1 1 1 = 0 1 1 0 = 0 0 = 0 1 0
–   King of Kings 2.562536+18
−18		(+37)9.5 − 14.5
(+7−12=5)
39.6%
9.5 / 24
0.1%
−39
57.5%
1494
0.95
859
= 1 0 = = 1 0 = 1 0 = 0 0 0 1 0 0 1 1 0 0 0 1 0
–   LambChop 10.992531+17
−17		(+32)13 − 10
(+9−6=8)
56.5%
13.0 / 23
0.3%
+71
58.9%
1439
0.58
848
= 1 0 1 0 1 0 = 1 0 = = 0 1 1 = 1 0 1 1 = = =
–   Dragon 4.62524+16
−16		(+25)13 − 13
(+9−9=8)
50.0%
13.0 / 26
1.1%
+25
61.1%
1652
0.53
1010
= 1 0 1 = 1 0 = 1 0 1 0 = = 1 0 1 1 0 0 1 = 0 = = 0
–   Nejmet 3.072521+16
−16		(+22)12.5 − 13.5
(+8−9=9)
48.1%
12.5 / 26
2.0%
+7
53.6%
1579
0.66
847
1 0 1 0 = 1 = = 0 = 1 1 0 = 0 0 0 = 0 = 1 1 = 1 0 =
–   Snitch 1.6.2 32-bit2521+15
−15		(+22)14.5 − 11.5
(+13−10=3)
55.8%
14.5 / 26
2.2%
+64
58.3%
2071
0.57
1207
1 = 1 = 1 0 1 1 1 0 0 1 1 0 0 1 0 1 = 1 0 0 0 0 1 1
–   RomiChess P3k 64-bit2502+18
−18		(+3)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
38.8%
−49
63.1%
2076
0.71
1309
= 1 0 0 0 0 0 0 1 0 = 1 = 1 0 0 1 = 1 0 = 0 0 0 1 = = = 1 0 1 =
–   Amy 0.8.7b DC2500+17
−17		(+1)11 − 13
(+8−10=6)
45.8%
11.0 / 24
45.8%
−31
57.7%
1887
0.82
1089
0 1 = 1 1 0 1 0 0 0 = 1 1 = 1 0 0 0 = = 0 = 0 1
–   Francesca MAD 0.13 Nobook2493+19
−19		(−6)9 − 11
(+7−9=4)
45.0%
9.0 / 20
68.4%
−42
64.3%
1325
0.78
852
0 0 0 1 = 0 = = 0 1 0 1 0 = 1 1 0 0 1 1
–   Leila 0.53h2490+17
−17		(−9)16.5 − 9.5
(+15−8=3)
63.5%
16.5 / 26
76.4%
+96
54.4%
2665
0.90
1451
1 1 1 1 0 0 1 1 1 = = 0 1 0 1 1 1 0 1 0 1 1 0 0 = 1
–   Diablo 0.5.1 JA2482+16
−16		(−17)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
93.1%
−96
57.2%
2203
0.67
1261
= 0 0 1 = 1 1 0 0 0 1 0 = = 1 0 1 = 0 0 0 0 0 0 1 = 1 0 0 0 = 1
–   PostModernist 10162480+16
−16		(−19)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
95.6%
+17
60.1%
2463
0.54
1480
1 1 0 0 = 0 = 0 0 0 0 1 0 0 0 = 1 = 1 1 1 1 = 1 1 1 0 1 0 1 1 1
–   Djinn 0.925x2479+16
−16		(−20)11.5 − 17.5
(+8−14=7)
39.7%
11.5 / 29
96.0%
−93
57.2%
2407
0.57
1377
= = 0 0 = 1 = = 0 0 0 = 1 0 0 1 1 0 0 1 1 1 1 = 0 0 0 0 0
–   Comet B682478+14
−14		(−21)6.5 − 17.5
(+5−16=3)
27.1%
6.5 / 24
97.4%
−205
56.3%
1825
0.78
1028
1 = 0 0 1 0 0 0 = 0 0 0 0 1 0 0 0 1 0 0 1 0 = 0
–   Sjeng 12.132475+14
−14		(−24)16 − 10
(+13−7=6)
61.5%
16.0 / 26
98.7%
+58
54.3%
1592
0.84
864
0 1 = 1 1 0 1 0 = = 1 1 0 1 1 1 1 0 0 0 = 1 1 = = 1
–   Muse 0.899b2474+16
−16		(−25)16 − 11
(+12−7=8)
59.3%
16.0 / 27
98.6%
+38
56.5%
1815
0.61
1026
1 1 0 0 1 = 1 0 1 = = 1 0 = = = 1 = 1 0 1 1 1 = 0 0 1
–   Queen 4.032466+17
−17		(−33)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
99.8%
0
56.0%
2232
0.66
1250
1 = = 0 = 1 1 0 0 1 1 = = 1 = = 1 0 1 1 0 0 0 0 1 = = 0 = 1 = 1
–   The Crazy Bishop 00522460+15
−15		(−39)21 − 7
(+17−3=8)
75.0%
21.0 / 28
100.0%
+136
55.1%
1858
0.56
1023
0 1 1 = = 1 = = 1 0 1 1 = 1 = 1 1 = 1 1 0 1 1 = 1 1 1 1
–   Patzer 3.802460+16
−16		(−39)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−40
54.0%
1713
1.13
925
1 0 1 0 0 = 0 1 = 0 1 = = = 1 0 0 = 0 = 1 0 1 1 0 1 1 1 0 1 = 0
–   Der Bringer 1.92455+15
−15		(−44)11.5 − 11.5
(+9−9=5)
50.0%
11.5 / 23
100.0%
−48
55.5%
1784
0.61
990
1 0 = 0 0 1 1 = 0 = 1 1 1 1 0 0 0 = = 1 0 0 1
–   Gosu 0.162455+16
−16		(−44)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
+13
56.2%
2345
0.98
1317
0 1 0 0 1 1 1 0 = = = = 1 0 1 = 0 0 1 1 = 1 1 1 = 1 1 1 1 0 0 0
–   Phalanx XXII Reborn JA2452+15
−15		(−47)19.5 − 6.5
(+17−4=5)
75.0%
19.5 / 26
100.0%
+140
53.5%
1925
0.80
1029
1 1 1 1 0 0 1 = 1 1 = 1 0 1 = 1 1 1 = 1 1 0 1 = 1 1
–   Homer 2.012452+17
−17		(−47)18 − 14
(+12−8=12)
56.3%
18.0 / 32
100.0%
−8
52.5%
1573
0.98
826
1 = 0 = 0 = 1 1 0 1 = 1 = 0 1 = 0 = 0 1 = = 1 1 = 0 1 1 = = 0 1
–   Betsy 6.51 Nobook2450+15
−15		(−49)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
100.0%
−83
58.6%
2445
0.68
1433
= 0 0 = 0 0 1 0 0 = 1 1 = 1 1 1 0 0 0 = 1 0 1 1 1 0 0 0 0 1 = =
–   GNU Chess 5.07.9b 64-bit JA2448+16
−16		(−51)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+28
54.2%
2220
0.75
1203
0 1 1 1 1 1 1 1 = 0 1 = 1 0 0 0 1 0 0 = = 0 0 = = 1 1 1 1 1 1 =
–   Amateur 2.822446+15
−15		(−53)13 − 13
(+10−10=6)
50.0%
13.0 / 26
100.0%
−54
50.3%
2283
1.06
1148
= = = 0 0 1 1 1 0 0 0 1 0 1 = 1 1 1 0 = 1 0 1 0 0 =
–   Tytan 9.32 64-bit2429+17
−17		(−70)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
+6
  
= 1 1 0 1 = 1 = 1 = 1 0 0 = = 1 1 0 1 1 1 0 = 1 = 1 = 0 1 1 0 0
–   Thor's Hammer 2.28 32-bit2417+15
−15		(−82)18.5 − 6.5
(+15−3=7)
74.0%
18.5 / 25
100.0%
+87
53.6%
1889
0.71
1012
= 1 = 0 1 1 1 1 1 0 1 1 1 1 1 1 1 = = 1 = 1 0 = =
–   Arion 1.72415+16
−16		(−84)16 − 7
(+13−4=6)
69.6%
16.0 / 23
100.0%
+49
59.4%
1615
0.64
960
1 = 1 0 1 1 1 1 1 1 1 1 = 0 0 = 1 0 1 = = 1 =
–   AICE 0.99.22411+16
−16		(−88)19.5 − 12.5
(+14−7=11)
60.9%
19.5 / 32
100.0%
−18
56.4%
1929
0.69
1088
0 = 1 1 1 = 1 1 0 1 1 1 = = 1 0 0 = = 1 1 = 1 = 1 0 0 = 0 1 = =
–   Chezzz 1.0.32409+15
−15		(−90)15.5 − 10.5
(+12−7=7)
59.6%
15.5 / 26
100.0%
−22
52.0%
2035
0.82
1058
1 1 = 1 1 0 1 = = = 1 1 0 1 0 0 1 = 0 1 0 1 1 0 = =
–   Resp 0.19 64-bit JA Nobook2402+16
−16		(−97)12 − 11
(+7−6=10)
52.2%
12.0 / 23
100.0%
−81
53.8%
1612
0.53
868
= = = 0 = 1 0 0 = = 0 = 1 = 1 = 0 1 1 0 1 = 1
–   Averno 0.812396+15
−15		(−103)18.5 − 8.5
(+13−3=11)
68.5%
18.5 / 27
100.0%
+14
53.3%
1468
0.63
783
= 1 1 = 1 = 1 = 1 1 = 0 = = = 1 1 1 0 = 1 = 1 0 1 = 1
–   Scidlet 3.61 64-bit JA2390+15
−15		(−109)17 − 8
(+14−5=6)
68.0%
17.0 / 25
100.0%
+18
62.2%
1828
0.70
1137
1 0 = 1 1 1 1 1 0 = = 1 0 1 1 1 1 1 0 1 = = 0 1 =
–   Eeyore 1.482384+15
−15		(−115)16 − 10
(+12−6=8)
61.5%
16.0 / 26
100.0%
−39
57.8%
1622
0.71
937
= 0 1 = 1 1 1 0 = = 1 = 0 0 1 = 0 1 = 1 1 = 1 0 1 1
–   EXchess 5.01 beta 64-bit JA2355+14
−14		(−144)21 − 6
(+18−3=6)
77.8%
21.0 / 27
100.0%
+62
57.0%
1997
0.61
1138
= 1 1 = 1 1 1 0 = 1 0 1 1 1 1 1 0 1 1 = 1 1 1 1 = 1 =
1390 games in total: 517 wins, 496 losses, 377 draws (27.1%), score: 50.8%
Average opponent: −5.4 (2493.6), average distance to opponent: 56.5

Performance

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

Perf = C + 0.003 [±0.277] * 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