KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
August 14, 2010
Testing summary:
Total: 89,765 games
played by 153 programs
937 CPU days (X2 4600+)

White wins: 36,316 (40.5%)
Black wins: 30,946 (34.5%)
Draws: 22,503 (25.1%)
White score: 53.0%

Engine Details

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Show each game results
Atlas 2.20 UCI#97  (2255+18
−17		)Quote
Author: Andres Manzanares (Spain) Released: 2006-01-24Link: Homepage
Issues with this engine: Atlas does not show ponder moves.
This is the only Atlas version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Phalanx XXII Reborn JA2448+15
−15		(+193)8 − 18
(+6−16=4)
30.8%
8.0 / 26
0.0%
+37
  
1 0 1 0 0 = = 0 1 0 0 0 0 0 0 0 1 0 = = 0 0 0 0 1 1
–   Amateur 2.822446+16
−16		(+191)2 − 24
(+1−23=2)
7.7%
2.0 / 26
0.0%
−229
  
0 0 0 0 = 0 1 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
–   Thor's Hammer 2.28 32-bit2417+16
−16		(+162)8 − 19
(+6−17=4)
29.6%
8.0 / 27
0.0%
+2
  
0 0 0 1 0 1 0 0 1 0 0 0 = 0 1 1 0 = 1 0 0 0 0 = 0 = 0
–   Arion 1.72411+17
−17		(+156)5 − 22
(+2−19=6)
18.5%
5.0 / 27
0.0%
−87
  
0 = 0 0 0 = 0 = 0 1 1 0 0 0 0 = = 0 0 0 0 0 0 0 0 = 0
–   Chezzz 1.0.32405+16
−16		(+150)11.5 − 13.5
(+10−12=3)
46.0%
11.5 / 25
0.0%
+119
  
0 0 0 = 0 1 = 0 1 1 0 1 1 = 0 0 1 1 1 1 0 0 1 0 0
–   Resp 0.19 64-bit JA Nobook2398+18
−18		(+143)6 − 14
(+5−13=2)
30.0%
6.0 / 20
0.0%
−26
  
0 1 0 = 0 0 1 1 1 0 0 0 0 0 1 = 0 0 0 0
–   Averno 0.812389+16
−15		(+134)10 − 15
(+8−13=4)
40.0%
10.0 / 25
0.0%
+50
  
= 0 0 1 0 1 1 = 1 0 0 0 = 1 1 1 0 0 1 0 0 0 0 = 0
–   Scidlet 3.61 64-bit JA2384+16
−16		(+129)12 − 13
(+10−11=4)
48.0%
12.0 / 25
0.0%
+117
  
= 1 0 0 1 1 0 1 = 1 0 1 1 0 1 0 1 0 0 = 1 0 0 0 =
–   KnightX 1.922379+16
−16		(+124)10 − 17
(+7−14=6)
37.0%
10.0 / 27
0.0%
+27
  
0 0 1 1 1 0 = 0 0 = 0 0 0 1 0 1 = 1 0 0 = = 0 = 0 0 1
–   Eeyore 1.482375+16
−16		(+120)7 − 17
(+5−15=4)
29.2%
7.0 / 24
0.0%
−42
  
1 1 = = 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 = =
–   Ayito 0.2.9942363+17
−17		(+108)10.5 − 14.5
(+8−12=5)
42.0%
10.5 / 25
0.0%
+42
  
1 1 = 1 0 0 = 1 1 0 0 0 1 0 0 1 = 0 = 1 0 0 = 0 0
–   EXchess 5.01 beta 64-bit JA2352+15
−15		(+97)9.5 − 18.5
(+6−15=7)
33.9%
9.5 / 28
0.0%
−18
  
= 0 1 = 0 = 1 0 0 = 0 0 0 1 1 0 1 = 0 = 0 0 = 0 0 0 0 1
–   Natwarlal 0.142350+18
−18		(+95)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−34
  
0 = 0 = 0 0 1 1 0 0 1 0 1 0 = = 0 0 0 1 0 0 = = 0 0 0 1 0 0 = 1
–   Esc 1.162338+16
−16		(+83)7 − 18
(+5−16=4)
28.0%
7.0 / 25
0.0%
−89
  
0 0 1 0 1 1 = 0 = 0 = 1 0 0 0 0 0 0 0 1 0 0 0 0 =
–   Zeus 1.292337+18
−18		(+82)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+21
  
= = 1 0 1 0 1 1 = 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 0 1 0 = 0 0 = 0
–   ANT 2006-F2325+18
−17		(+70)11.5 − 16.5
(+8−13=7)
41.1%
11.5 / 28
0.0%
+5
  
= 1 = = 0 = 1 0 1 0 0 0 0 = = 1 0 0 0 0 1 0 = 1 0 0 1 1
–   Anechka 0.082314+17
−17		(+59)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
0.0%
+121
  
= 0 0 1 0 1 = = 0 1 = 0 0 1 = 1 0 0 1 1 1 1 1 0 0 1 1 1 1 1 1 0
–   Dorky 3.482295+16
−16		(+40)15.5 − 8.5
(+14−7=3)
64.6%
15.5 / 24
0.1%
+157
  
1 1 0 = 1 0 = 1 1 0 0 1 0 = 0 1 1 1 1 1 1 0 1 1
–   CyberPagno 2.1 32MB2292+16
−16		(+37)8.5 − 17.5
(+5−14=7)
32.7%
8.5 / 26
0.1%
−86
  
0 0 0 0 1 = 0 = = 0 0 0 1 0 1 = 0 = 0 = 0 0 1 1 = 0
–   Latista (Sinobyl) 1.52281+17
−17		(+26)13.5 − 14.5
(+10−11=7)
48.2%
13.5 / 28
2.0%
+15
  
1 0 1 0 1 = 0 1 0 = 0 = 0 0 = = 0 1 1 = = 1 0 0 1 0 1 1
–   Madeleine 0.22277+16
−16		(+22)13.5 − 10.5
(+11−8=5)
56.3%
13.5 / 24
3.9%
+66
  
1 0 = 1 = 1 1 1 1 0 0 1 1 1 = 1 0 0 1 0 0 0 = =
–   Chispa 4.0.32266+15
−15		(+11)12.5 − 11.5
(+4−3=17)
52.1%
12.5 / 24
18.6%
+19
  
= = = = = = = 0 = = 1 = = = = 1 1 = = 0 = = 1 0
–   Genesis 2.02237+17
−17		(−18)12.5 − 13.5
(+9−10=7)
48.1%
12.5 / 26
93.3%
−29
  
1 0 0 0 = = = 0 1 0 1 1 1 1 = = 0 = 1 1 = 0 0 1 0 0
–   InmiChess 3.06N2228+15
−16		(−27)11.5 − 12.5
(+10−11=3)
47.9%
11.5 / 24
99.1%
−46
  
= 1 1 0 1 1 0 1 1 0 0 = 0 0 1 0 1 0 0 = 0 0 1 1
–   Nesik 0.7.0 alpha2227+16
−16		(−28)14 − 15
(+10−11=8)
48.3%
14.0 / 29
99.0%
−39
  
1 = 0 0 0 0 0 0 1 1 1 = 0 1 = = 1 1 = 1 1 1 0 = 0 = 0 = 0
–   Sunsetter C10.3 64-bit JA2221+17
−17		(−34)10.5 − 9.5
(+8−7=5)
52.5%
10.5 / 20
99.8%
−11
  
1 0 = 0 = = 0 0 1 1 = 0 0 1 1 1 1 = 0 1
–   Alarm 0.93.12213+17
−17		(−42)14 − 18
(+11−15=6)
43.8%
14.0 / 32
100.0%
−87
  
0 = 1 1 0 0 1 0 0 1 0 1 1 = 0 0 1 = 1 = 0 = 1 1 0 0 = 0 0 0 0 1
–   WJChess 1.642213+16
−16		(−42)15 − 9
(+12−6=6)
62.5%
15.0 / 24
100.0%
+48
  
1 0 0 1 1 1 1 = 1 1 1 1 0 0 1 = 0 1 0 1 = = = =
–   Fortress 1.622201+16
−16		(−54)13 − 10
(+11−8=4)
56.5%
13.0 / 23
100.0%
−4
  
1 1 1 1 0 0 0 1 0 0 = = 1 1 = = 0 0 1 1 1 1 0
–   Gk 0.90 64-bit JA2179+17
−17		(−76)17.5 − 8.5
(+15−6=5)
67.3%
17.5 / 26
100.0%
+56
  
1 0 = 1 1 0 = 1 1 = = 0 0 1 1 1 1 1 1 0 1 0 1 1 = 1
–   Ghost 0.142175+18
−18		(−80)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
100.0%
−93
  
1 0 1 = 1 = = 1 1 0 1 = 1 1 0 1 = = 0 1 1 = 0 0 1 0 0 0 0 0 0 0
–   Wing 2.0a2165+17
−17		(−90)10.5 − 11.5
(+7−8=7)
47.7%
10.5 / 22
100.0%
−99
  
1 1 1 = 0 = 0 = 0 0 1 0 = 1 1 = 0 1 = 0 = 0
–   Uragano 3D 0.872159+17
−17		(−96)18 − 14
(+16−12=4)
56.3%
18.0 / 32
100.0%
−46
  
1 1 0 0 1 0 1 1 1 0 1 1 1 = = 0 0 1 1 1 0 1 1 1 0 = 0 0 0 = 0 1
–   Matheus 2.32129+16
−16		(−126)24 − 4
(+23−3=2)
85.7%
24.0 / 28
100.0%
+202
  
1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 = 0 = 1 1 1 1 1 1 0
–   Bodo 0.2b2121+16
−16		(−134)19.5 − 7.5
(+18−6=3)
72.2%
19.5 / 27
100.0%
+52
  
0 1 1 1 1 0 1 1 0 1 = 0 1 1 1 0 1 1 1 1 1 0 1 1 = 1 =
–   Monarch 1.72118+17
−18		(−137)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
100.0%
−148
  
1 1 0 1 0 1 = = 1 0 0 1 0 0 0 0 = 0 1 1 0 1 = = 1 1 0 1 0 0 0 1
–   Ax 0.82108+16
−16		(−147)14 − 9
(+14−9=0)
60.9%
14.0 / 23
100.0%
−47
  
1 1 0 1 0 0 1 1 1 1 1 0 1 0 1 1 1 0 0 1 0 1 0
–   Bestia 0.902108+16
−16		(−147)16 − 11
(+15−10=2)
59.3%
16.0 / 27
100.0%
−67
  
1 0 0 1 1 1 = = 1 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0
–   RDChess 3.232103+17
−17		(−152)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
−5
  
1 1 0 = 1 1 = 1 = 0 1 1 0 0 1 1 1 1 1 1 = 1 0 0 1 1 = 1 = 1 1 0
–   DelphiMax 2.92093+17
−17		(−162)20 − 6
(+18−4=4)
76.9%
20.0 / 26
100.0%
+56
  
1 1 1 = 1 1 1 1 1 0 1 1 1 1 1 1 = 0 0 1 1 0 = = 1 1
–   Small Potato 0.6.12079+17
−17		(−176)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+56
  
0 1 1 1 1 1 1 1 0 1 1 1 0 1 0 1 = 1 1 1 1 = 1 1 = 1 1 1 1 1 0 =
–   Requiem 0.532075+16
−16		(−180)25 − 7
(+21−3=8)
78.1%
25.0 / 32
100.0%
+28
  
1 1 1 1 0 1 1 1 1 1 1 = 1 = = = = 0 1 1 1 = 1 1 1 1 = 1 1 = 0 1
–   Elephant 1.062060+18
−18		(−195)18.5 − 6.5
(+17−5=3)
74.0%
18.5 / 25
100.0%
+3
  
1 0 0 1 1 1 1 = 0 1 0 1 1 = 1 = 0 1 1 1 1 1 1 1 1
–   JanWillem 1.132044+17
−17		(−211)17.5 − 7.5
(+14−4=7)
70.0%
17.5 / 25
100.0%
−69
  
= 1 1 1 = = 1 0 1 1 = 0 0 1 1 1 1 = 1 1 = 1 1 = 0
–   Marvin 1.3.02040+17
−17		(−215)22 − 3
(+21−2=2)
88.0%
22.0 / 25
100.0%
+144
  
1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1
–   Faile 1.4.42029+16
−17		(−226)22.5 − 4.5
(+21−3=3)
83.3%
22.5 / 27
100.0%
+62
  
1 1 1 1 1 0 = 1 1 1 0 1 = 1 1 1 1 1 1 1 0 1 1 1 1 = 1
1231 games in total: 523 wins, 479 losses, 229 draws (18.6%), score: 51.8%
Average opponent: −14.9 (2240.1), average distance to opponent: 109.8

Performance

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

Perf = C − 0.051 [±0.193] * 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 2005-2010 by Kirill Kryukov
Last games added on August 14, 2010