KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
April 21, 2012
Testing summary:
Total: 122,915 games
played by 187 programs
1277 CPU days (X2 4600+)

White wins: 49,970 (40.7%)
Black wins: 42,759 (34.8%)
Draws: 30,186 (24.6%)
White score: 52.9%

Rating list

KCEC Rating List — New versions (best versions only) (Quote)

Ponder off, neutral book (up to 8 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on April 21, 2012 with Bayeselo based on 122,915 games
Note: Please see how to read the list
 RankEngine   RatingAv.
Op.		Perf.
Slope		Av.
Df.		Draw-
ness		GamesLOS
Fru logo 1 Fruit 2.3 32-bit
Fabien Letouzey, Ryan Benitez (2007)		 UCI
Fra
USA
 Europe
North America		 2896 +21
−21
V
V
V
V
V		V
V
 +0.111
±0.414
o
o
o
o
o		o
o
 90.8%
±9.4%		 823      
99.9
    
Spi logo 2 Spike 1.2 Turin
Volker Bohm, Ralf Schafer (2006)		 UCI
Ger
 Europe 2849 +20
−20
V
V
V
V
V
 −0.063
±0.329
o
o
o
o
o
 101.4%
±11.5%		 818
47
100
  
59.9
50
100
Gla logo 3 Glaurung 2.0.1 64-bit
Tord Romstad (2007)		 UCI
Nor
 Europe 2846 +21
−21
V
V
V
V
 +0.318
±0.380
o
o
o
o
o
 97.2%
±12.0%		 792
3
98.7
80
97.6
33
99.8
Fre logo 4 Frenzee Feb08 64-bit
Sune Fischer (2008)		 WB
Den
 Europe 2816 +22
−22
V
V
V
 −0.110
±0.312
o
o
o
 86.8%
±8.6%		 704
30
99.5
41
71.1
38
100
Del logo 5 Delfi 5.4
Fabio Cavicchio (2008)		 UCI
Ita
 Europe 2808 +22
−21
V
V
 −0.141
±0.284
o
o
o
 96.9%
±12.0%		 704
8
89.1
47
73.7
17
94.8
Nau logo 6 Naum 2.0 64-bit
Aleksandar Naumov (2006)		 UCI
Can
 North America 2799 +18
−18
V
V
V
 +0.041
±0.278
o
o
o
 110.3%
±10.5%		 961
9
85.9
24
69.6
16
99.0
Bri logo 7 Bright 0.2c
Allard Siemelink (2007)		 UCI
Net
 Europe 2792 +21
−21
V
V
 −0.275
±0.388
o
o
o
 98.7%
±10.3%		 739
7
96.8
34
89.2
25
99.8
Ala logo 8 Alaric 707
Peter Fendrich (2007)		 UCI
Swe
 Europe 2774 +20
−20
V
 −0.080
±0.318
o
o
 87.0%
±7.8%		 864
18
98.8
40
85.3
33
100
Sco logo 9 Scorpio 2.0 32-bit
Daniel Shawul (2007)		 WB
Eth
 Africa 2759 +20
−20
V
 +0.076
±0.314
o
o
 103.4%
±10.9%		 802
15
99.6
55
94.5
37
99.8
E.T logo 10 E.T. Chess 13.01.08
Eric Triki (2008)		 WB
Fra
 Europe 2737 +19
−19		   −0.137
±0.274
o
o
 97.4%
±9.9%		 919
22
96.3
40
58.4
25
99.0
Wil logo 11 WildCat 8
Igor Korshunov (2008)		 UCI
Bel
 Europe 2734 +19
−19		   +0.219
±0.186
o
o
 108.0%
±9.4%		 864
3
77.2
32
70.0
10
80.2
Alf logo 12 Alfil 8.1.1 Optimized
Enrique Sanchez Acosta (2008)		 UCI
Spa
 Europe 2727 +19
−19		   −0.269
±0.280
o
o
 95.4%
±10.8%		 945
7
73.4
11
53.7
8
80.5
Mov logo 13 Movei 00.8.438 (10-10-10)
Uri Blass (2007)		 UCI
Isr
 Asia 2726 +18
−18		   −0.045
±0.270
o
o
 103.2%
±10.4%		 990
1
63.5
11
60.2
4
67.3
Pro logo 14 Pro Deo 1.6
Ed Schroder (2007)		 WB
Net
 Europe 2723 +19
−19		   +0.012
±0.325
o
o
 93.9%
±9.5%		 903
3
64.0
5
53.1
4
69.4
Zap logo 15 Zappa 1.1 64-bit
Anthony Cozzie (2005)		 UCI
USA
 North America 2722 +17
−17		   −0.061
±0.220
o
o
 105.5%
±7.6%		 1190
1
58.8
6
56.3
3
81.4
Slo logo 16 Slow Chess Blitz WV2.1
Jonathan Kreuzer (2006)		 UCI
USA
 North America 2720 +17
−17		   −0.154
±0.330
o
o
 101.6%
±8.4%		 1136
2
81.0
12
76.3
11
88.4
Col logo 17 Colossus 2007d
Martin Bryant (2007)		 UCI
Uni
 Europe 2711 +18
−18		   −0.095
±0.286
o
o
 101.0%
±8.3%		 1036
9
84.6
14
60.1
12
93.7
Pha logo 18 Pharaon 3.5.1
Franck Zibi (2006)		 UCI
Fra
 Europe 2708 +16
−16		   −0.034
±0.264
o
o
 90.0%
±7.9%		 1295
3
77.1
18
69.5
9
81.5
Lis logo 19 List 5.12
Fritz Reul (2004)		 UCI
Ger
 Europe 2702 +16
−16		   +0.229
±0.273
o
o
 121.8%
±10.1%		 1303
6
75.0
11
56.6
8
93.8
SOS logo 20 SOS 5.1
Rudolf Huber (2005)		 UCI
Ger
 Europe 2700 +16
−16		   +0.036
±0.241
o
o
 93.0%
±6.9%		 1378
2
85.1
17
80.8
11
95.6
Ruf logo 21 Ruffian 1.0.5
Per-Ola Valfridsson (2003)		 UCI
Swe
 Europe 2691 +15
−15		   −0.091
±0.229
o
o
 108.2%
±8.2%		 1428
9
93.7
19
75.6
17
99.2
Pse logo 22 Pseudo 0.7c
Jan Klima (2005)		 WB
Cze
 Europe 2683 +16
−16		   −0.147
±0.264
o
o
 100.2%
±9.2%		 1334
8
93.9
26
79.8
17
94.7
Ari logo 23 Aristarch 4.50
Stefan Zipproth (2004)		 UCI
Ger
 Europe 2674 +16
−16		   +0.167
±0.225
o
o
 95.1%
±7.2%		 1418
9
82.4
18
55.6
10
83.3
Pet logo 24 Petir 4.999999
Peter Alloysius (2007)		 WB
Ind
 Asia 2673 +17
−17		   −0.278
±0.412
o
o
 112.3%
±10.0%		 1141
1
56.7
11
51.0
2
56.1
Ham logo 25–26 Hamsters 0.6
Alessandro Scotti (2007)		 UCI
Ita
 Europe 2672 +17
−17		   −0.455
±0.385
o
o
 100.7%
±9.7%		 1206
1
50.4
2
49.4
1
56.4
The logo 25–26 The Baron 2.23 64-bit
Richard Pijl (2008)		 WB
Net
 Europe 2672 +17
−17		   −0.202
±0.282
o
o
 85.3%
±7.8%		 1248
0
55.4
2
56.0
1
77.0
Boo logo 27 Booot 4.13.1
Alex Morozov (2007)		 UCI
Ukr
 Europe 2671 +16
−16		   +0.283
±0.241
o
o
 111.8%
±7.7%		 1291
1
77.4
8
73.2
8
93.7
Bug logo 28 BugChess2 1.5.2
Francois Karr, Jean-Philippe Karr (2007)		 WB
Fra
 Europe 2664 +16
−16
V
 −0.196
±0.311
o
o
 93.8%
±8.5%		 1278
7
92.2
17
78.0
16
93.2
Cra logo 29 Crafty 21.5 64-bit PS
Robert Hyatt (2007)		 WB
USA
 North America 2655 +16
−15		   +0.009
±0.262
o
o
 106.0%
±9.7%		 1390
9
80.2
17
53.3
10
93.4
Jon logo 30 Jonny 2.83
Johannes Zwanzger (2005)		 WB
Ger
 Europe 2654 +16
−16		   −0.135
±0.342
o
o
 94.1%
±8.3%		 1382
1
77.7
18
75.1
9
80.8
Ana logo 31 Anaconda 2.0.1
Frank Schneider, Kai Skibbe (2005)		 CB
Ger
 Europe 2646 +16
−16		   −0.015
±0.204
o
o
 107.0%
±7.8%		 1319
8
78.2
10
53.8
9
94.8
Fri logo 32 Fritz 5.32
Frans Morsch (2001)		 CB
Net
 Europe 2645 +16
−16		   +0.191
±0.268
o
o
 113.8%
±10.6%		 1352
1
82.8
18
80.5
10
82.7
Ktu logo 33–34 Ktulu 4.2
Rahman Paidar (2003)		 UCI
Ira
 Asia 2636 +16
−16		   −0.134
±0.248
o
o
 99.4%
±8.8%		 1344
9
80.4
10
49.4
9
84.3
Thi logo 33–34 Thinker 4.7a
Lance Perkins (2004)		 WB
Can
 North America 2636 +16
−15
V
 +0.068
±0.260
o
o
 118.5%
±8.1%		 1366
0
54.6
10
55.3
1
70.5
Sma logo 35 SmarThink 0.17a
Sergei Markoff (2003)		 WB
Rus
 Europe 2635 +15
−15		   +0.182
±0.246
o
o
 105.2%
±7.4%		 1560
1
71.4
6
67.2
6
85.8
Ufi logo 36 Ufim 8.02
Niyaz Khasanov (2006)		 UCI
Rus
 Europe 2630 +16
−16
V
 +0.119
±0.326
o
o
 105.4%
±10.0%		 1273
5
83.3
12
68.8
11
86.5
Tra logo 37 Trace 1.37a
Ross Boyd (2006)		 WB
Aus
 Oceania 2624 +16
−16		   −0.146
±0.258
o
o
 100.3%
±8.8%		 1345
6
73.6
13
55.9
8
89.1
AnM logo 38 AnMon 5.60
Christian Barreteau (2005)		 UCI
Fra
 Europe 2622 +16
−16		   +0.023
±0.265
o
o
 95.5%
±10.7%		 1299
2
77.5
15
72.6
9
89.0
Lit logo 39 Little Goliath 3.12 Evolution (TB Off)
Michael Borgstadt (2006)		 UCI
Ger
 Europe 2615 +16
−16		   −0.007
±0.231
o
o
 95.5%
±10.6%		 1303
7
85.6
14
67.6
12
98.5
Yac logo 40 Yace 0.99.87
Dieter Burssner (2004)		 UCI
Ger
 Europe 2610 +16
−16		   +0.093
±0.205
o
o
 106.3%
±8.5%		 1335
5
94.5
26
88.1
19
99.6
Pep logo 41 Pepito 1.59 32-bit
Carlos del Cacho (2003)		 UCI
Spa
 Europe 2596 +18
−18		   +0.007
±0.310
o
o
 109.8%
±11.0%		 998
14
98.8
31
83.1
26
99.3
Bru logo 42 Bruja 1.9 64-bit JA No-int-book
Dan Honeycutt (2005)		 WB
USA
 North America 2584 +17
−17		   −0.278
±0.284
o
o
 95.8%
±8.1%		 1181
12
86.3
27
54.4
13
96.4
Gre logo 43 Green Light Chess 3.00
Tim Foden (2003)		 WB
Uni
 Europe 2583 +16
−16		   −0.031
±0.221
o
o
o
 113.6%
±7.9%		 1327
1
80.2
22
77.9
10
83.5
Tao logo 44 Tao 5.6
Bas Hamstra (2004)		 ! UCI !
Net
 Europe 2574 +16
−16		   −0.319
±0.268
o
o
o
 95.0%
±9.6%		 1370
9
81.5
12
57.1
11
89.2
Cer logo 45 Cerebro 3.03d
Antonio Senatore (2008)		 UCI
Arg
 South America 2572 +18
−18		   −0.275
±0.354
o
o
 89.2%
±9.5%		 1056
2
69.2
15
61.6
6
82.1
Twi logo 46 Twisted Logic 20080404x
Edsel Apostol (2008)		 UCI
Phi
 Asia 2568 +17
−17		   +0.052
±0.304
o
o
 81.6%
±7.1%		 1226
4
75.2
10
65.2
8
80.9
Ara logo 47 Arasan 10.0 64-bit
Jon Dart (2007)		 ! UCI !
USA
 North America 2564 +16
−16		   −0.078
±0.331
o
o
 108.1%
±10.4%		 1293
4
72.1
11
57.9
7
91.7
Abr logo 48 Abrok 5.0
Roman Korba (2003)		 UCI
Ger
 Europe 2561 +16
−16		   −0.094
±0.301
o
o
 109.3%
±11.1%		 1321
3
84.6
16
79.5
12
87.0
Amy logo 49 Amyan 1.597
Antonio Dieguez (2005)		 UCI
Chi
 South America 2552 +16
−16		   +0.108
±0.266
o
o
o
 103.4%
±10.4%		 1349
9
82.6
14
55.7
11
91.4
Mat logo 50 Matacz 1.3 HT74 5-men-egbb
Maciej Pestka (2007)		 WB
Pol
 Europe 2550 +17
−17		   +0.032
±0.234
o
o
 109.4%
±9.5%		 1148
2
70.6
15
64.7
6
92.1
Spi logo 51 SpiderChess 070603
Martin Giepmans (2007)		 WB
Net
 Europe 2546 +16
−16		   +0.364
±0.257
o
o
 131.3%
±11.9%		 1311
4
89.0
16
81.6
14
90.0
Kin logo 52 King of Kings 2.56
Koundinya Veluri (2004)		 WB
Can
 North America 2536 +17
−17		   −0.150
±0.326
o
o
 85.8%
±10.2%		 1214
10
82.8
15
50.8
11
83.4
Gai logo 53–54 Gaia 3.5 64-bit
Jean Francois Romang, David Rabel (2006)		 UCI
Fra
 Europe 2535 +16
−16		   +0.048
±0.279
o
o
 86.8%
±10.4%		 1344
1
51.3
11
50.4
1
68.6
Qua logo 53–54 Quark 2.35
Thomas Mayer (2004)		 WB
Ger
 Europe 2535 +16
−16		   −0.132
±0.199
o
o
o
 96.8%
±8.3%		 1412
0
68.3
6
68.1
5
86.3
Lam logo 55 LambChop 10.99
Peter McKenzie (2003)		 UCI
New
 Oceania 2530 +16
−16		   −0.111
±0.265
o
o
 101.0%
±9.3%		 1289
5
86.4
12
72.7
12
92.1
Dra logo 56 Dragon 4.6
Bruno Lucas (2004)		 UCI
Fra
 Europe 2523 +16
−16		   −0.023
±0.182
o
o
o
 108.9%
±11.2%		 1406
7
81.6
15
61.4
10
82.5
Nej logo 57–58 Nejmet 3.07
Jean-Christophe Gabillard (2003)		 UCI
Fra
 Europe 2520 +15
−15		   −0.053
±0.206
o
o
o
 109.9%
±10.0%		 1549
3
62.7
10
51.3
3
97.4
Sni logo 57–58 Snitch 1.6.2 32-bit
Klaus Friedel (2006)		 UCI
Ger
 Europe 2520 +15
−15		   −0.122
±0.180
o
o
o
 99.6%
±9.9%		 1614
0
95.6
23
95.3
20
97.7
Rom logo 59 RomiChess P3k 64-bit
Michael Sherwin (2008)		 ! WB !
USA
 North America 2500 +18
−18		   −0.115
±0.413
o
 104.5%
±9.0%		 1088
20
97.6
22
57.5
22
98.3
Amy logo 60 Amy 0.8.7b DC
Thorsten Greiner (2004)		 ! WB !
Ger
 Europe 2498 +16
−16		   −0.243
±0.246
o
o
o
 85.9%
±8.1%		 1415
2
61.8
23
54.6
3
77.1
Kni logo 61 KnightDreamer 3.3
Johan Melin (2004)		 WB
Swe
 Europe 2497 +16
−16		   +0.004
±0.276
o
o
 107.5%
±9.9%		 1390
1
72.2
9
68.6
7
80.8
Fra logo 62 Francesca MAD 0.13 Nobook
Tom King (2006)		 ! WB !
Uni
 Europe 2491 +18
−18		   −0.244
±0.369
o
o
 92.8%
±13.1%		 1072
6
77.6
10
59.0
9
93.8
Lei logo 63 Leila 0.53h
Carmelo Calzerano (2002)		 ! WB !
Ita
 Europe 2488 +16
−16
V
V
 −0.163
±0.208
o
o
o
 83.3%
±8.4%		 1430
3
82.6
17
77.5
11
88.4
Dia logo 64 Diablo 0.5.1 JA
Marcus Prewarski (2006)		 UCI
USA
 North America 2480 +15
−16		   +0.159
±0.307
o
o
 114.2%
±10.3%		 1408
8
84.9
14
60.8
11
83.6
Dji logo 65–66 Djinn 0.925x
Tom Likens (2006)		 WB
USA
 North America 2477 +15
−15
V
 +0.107
±0.225
o
o
o
 104.0%
±7.4%		 1549
3
58.6
11
47.7
3
65.3
Pos logo 65–66 PostModernist 1016
Andrew Williams (2006)		 WB
Uni
 Europe 2477 +15
−15		   −0.033
±0.265
o
o
 94.4%
±8.9%		 1536
0
54.3
4
56.7
1
65.2
Com logo 67 Comet B68
Ulrich Turke (2005)		 CB
Ger
 Europe 2476 +14
−14		   +0.135
±0.159
o
o
o
o
 98.4%
±8.7%		 1953
1
67.4
4
61.8
4
70.3
Sje logo 68 Sjeng 12.13
Gian-Carlo Pascutto (2002)		 UCI
Bel
 Europe 2473 +14
−14		   +0.175
±0.156
o
o
o
o
 102.1%
±8.7%		 1973
3
65.2
5
54.3
4
87.4
Mus logo 69 Muse 0.899b
Martin Fierz (2004)		 ! UCI !
Swi
 Europe 2472 +15
−15
V
 −0.131
±0.199
o
o
o
 95.7%
±9.6%		 1595
1
81.1
13
77.3
10
93.7
Que logo 70 Queen 4.03
Leen Ammeraal (2007)		 UCI
Net
 Europe 2463 +17
−16		   +0.007
±0.350
o
 121.1%
±9.0%		 1216
9
91.4
16
71.3
15
91.7
Pat logo 71–72 Patzer 3.80
Roland Pfister (2006)		 UCI
Ger
 Europe 2457 +15
−15		   +0.224
±0.327
o
o
 96.3%
±9.2%		 1504
6
71.0
15
49.1
6
85.4
The logo 71–72 The Crazy Bishop 0052
Remi Coulom (2004)		 WB
Fra
 Europe 2457 +15
−14
V
 −0.159
±0.171
o
o
o
 94.9%
±8.9%		 1728
0
69.0
11
70.3
5
67.7
Der logo 73–74 Der Bringer 1.9
Gerrit Reubold (2001)		 WB
Ger
 Europe 2452 +14
−14		   +0.002
±0.138
o
o
o
 96.8%
±8.6%		 1757
5
69.0
5
49.1
5
78.6
Gos logo 73–74 Gosu 0.16
Arkadiusz Paterek (2006)		 WB
Pol
 Europe 2452 +15
−15
V
 +0.026
±0.206
o
o
 90.9%
±8.2%		 1536
0
61.1
8
61.7
3
62.5
Hom logo 75–76 Homer 2.01
Daniel Mehrmann (2007)		 UCI
Ger
 Europe 2449 +16
−16		   −0.005
±0.326
o
o
 103.7%
±11.0%		 1376
3
63.0
3
50.6
3
66.6
Pha logo 75–76 Phalanx XXII Reborn JA
Dusan Dobes (2000)		 WB
Cze
 Europe 2449 +14
−14
V
V
 −0.085
±0.143
o
o
o
o
 85.0%
±8.7%		 1958
0
54.6
4
54.3
1
62.8
Bet logo 77 Betsy 6.51 Nobook
Landon W. Rabern (2003)		 ! WB !
USA
 North America 2448 +15
−15
V
 +0.041
±0.166
o
o
o
 103.7%
±9.5%		 1677
1
62.9
4
58.7
4
69.4
GNU logo 78 GNU Chess 5.07.9b 64-bit JA
Chua Kong-Sian, Stuart Cracraft, Michel Van den Bergh (2009)		 ! WB !
Sin
USA
Net
 Asia
North America
Europe		 2445 +15
−15
V
 −0.082
±0.218
o
o
 87.6%
±7.4%		 1568
3
65.2
5
56.5
4
98.0
Ama logo 79 Amateur 2.82
Will Singleton (2005)		 WB
USA
 North America 2444 +14
−14
V
V
 −0.189
±0.163
o
o
o
o
 83.5%
±7.7%		 1832
1
96.6
23
95.6
20
98.2
Tyt logo 80 Tytan 9.32 64-bit
Tomasz Michniewski (2007)		 ! WB !
Pol
 Europe 2425 +16
−16		   −0.114
±0.366
o
o
 94.3%
±10.1%		 1312
19
97.7
24
64.0
23
99.0
Sag logo 81 Sage 3.53
David Dahlem (2008)		 WB
USA
 North America 2421 +18
−18		   −0.356
±0.521
o
 91.4%
±11.8%		 1088
4
74.7
27
61.5
8
79.8
Sor logo 82 Sorgenkind 0.4
Steffen Basting (2008)		 ! WB !
Den
 Europe 2417 +18
−18		   −0.112
±0.373
o
 85.2%
±8.6%		 1120
4
67.3
10
56.1
6
74.4
Hor logo 83 Horizon 4.4
Ron Murawski, Jim Monaghan (2008)		 ! WB !
USA
 North America 2415 +17
−17		   +0.203
±0.333
o
 97.9%
±9.4%		 1152
2
63.2
8
57.0
4
69.4
Tho logo 84 Thor's Hammer 2.28 32-bit
Toma Roncevic (2005)		 ! WB !
Cro
 Europe 2413 +14
−15
V
 −0.103
±0.165
o
o
o
o
 81.1%
±8.6%		 1812
2
63.7
6
57.8
4
75.0
Ari logo 85 Arion 1.7
Gabriel Guillory (2006)		 UCI
Fra
 Europe 2411 +15
−15		   −0.121
±0.212
o
o
o
 113.4%
±9.7%		 1458
2
71.0
8
63.5
6
79.8
AIC logo 86 AICE 0.99.2
Anastasios Milikas, Christos Boussios (2006)		 ! UCI !
Gre
 Europe 2407 +15
−15		   +0.282
±0.223
o
o
 102.9%
±10.1%		 1536
4
73.0
8
60.5
6
88.5
Che logo 87 Chezzz 1.0.3
David Rasmussen (2003)		 WB
Den
 Europe 2405 +15
−15
V
 −0.245
±0.154
o
o
o
o
 82.2%
±8.8%		 1765
2
80.8
13
73.4
9
81.5
Ast logo 88–89 Asterisk 0.6
Peter Horvath (2007)		 UCI
Hun
 Europe 2398 +16
−16		   +0.008
±0.362
o
o
 105.8%
±10.7%		 1344
7
74.1
9
50.7
7
90.0
Res logo 88–89 Resp 0.19 64-bit JA Nobook
Peter Rosendahl (2002)		 ! WB !
Ger
 Europe 2398 +16
−16
V
 −0.100
±0.152
o
o
o
o
 91.1%
±9.5%		 1483
0
72.0
13
71.6
6
87.3
Ave logo 90 Averno 0.81
Jose Carlos Martinez Galan (2005)		 ! WB !
Spa
 Europe 2392 +14
−14
V
 −0.043
±0.126
o
o
o
o
 102.2%
±9.5%		 1839
6
87.2
12
72.6
12
95.2
Sci logo 91 Scidlet 3.61 64-bit JA
Shane Hudson (2004)		 WB
New
 Oceania 2386 +14
−15
V
 +0.031
±0.116
o
o
o
o
 95.1%
±10.4%		 1785
6
87.8
18
71.5
12
89.1
Kni logo 92 KnightX 1.92
Christophe Jolly (2005)		 WB
Fra
 Europe 2380 +15
−15
V
 −0.160
±0.182
o
o
o
o
 86.5%
±8.8%		 1713
6
73.4
13
52.0
7
97.1
Eey logo 93 Eeyore 1.48
Anton Maydell (2004)		 WB
Rus
 Europe 2379 +15
−14
V
 −0.034
±0.123
o
o
o
o
 99.8%
±8.9%		 1747
1
90.6
20
89.9
14
93.9
Ayi logo 94 Ayito 0.2.994
Jaime Benito de Valle Ruiz (2005)		 ! UCI !
Spa
 Europe 2366 +15
−15
V
 +0.086
±0.159
o
o
o
o
 81.7%
±8.6%		 1624
13
93.5
16
57.5
15
99.3
Mat logo 95 Matilde 2008 64-bit
Andrea Lanza (2008)		 ! WB !
Ita
 Europe 2364 +15
−15
V
 +0.018
±0.194
o
o
o
o
 90.7%
±9.4%		 1760
2
87.8
26
84.3
13
94.4
Nat logo 96 Natwarlal 0.14
Pallav Nawani (2007)		 ! WB !
Ind
 Asia 2353 +16
−16		   +0.124
±0.238
o
o
o
 93.8%
±10.8%		 1376
11
92.6
17
63.0
15
98.0
EXc logo 97 EXchess 5.01 beta 64-bit JA
Daniel C. Homan (2006)		 ! WB !
USA
 North America 2349 +14
−14		   −0.136
±0.116
o
o
o
o
o
 109.1%
±8.0%		 1876
4
83.3
22
75.7
11
91.9
Zeu logo 98 Zeus 1.29
Vadim Bykov (2007)		 WB
Rus
 Europe 2342 +16
−15		   +0.025
±0.193
o
o
o
 107.9%
±11.0%		 1472
7
87.6
15
66.1
11
87.8
Esc logo 99 Esc 1.16
Claudio Della Corte (2002)		 WB
Ita
 Europe 2338 +15
−15
V
 −0.160
±0.110
o
o
o
o
o
 97.7%
±9.5%		 1779
4
69.6
13
55.8
6
91.4
Pop logo 100 Popochin 3.2
Miguel Izquierdo (2008)		 WB
Spa
 Europe 2336 +18
−18		   −0.035
±0.247
o
o
o
 109.9%
±11.9%		 1056
2
83.9
15
77.1
11
97.7
ANT logo 101 ANT 2006-F
Tom Vijlbrief (2006)		 WB
Net
 Europe 2327 +16
−16		   +0.084
±0.165
o
o
o
o
 91.7%
±8.7%		 1530
9
94.9
22
83.4
20
99.8
Ane logo 102 Anechka 0.08
Sergei Nefedov (2006)		 UCI
Rus
 Europe 2316 +16
−16		   −0.052
±0.199
o
o
o
o
 94.2%
±10.2%		 1504
11
99.0
34
91.3
25
100
Dor logo 103 Dorky 3.48
Matt McKnight (2003)		 ! WB !
USA
 North America 2302 +15
−15		   −0.226
±0.176
o
o
o
o
o
 89.7%
±8.5%		 1639
14
99.4
38
87.7
27
99.9
Cyb logo 104 CyberPagno 2.1 32MB
Marco Pagnoncelli (2004)		 WB
Ita
 Europe 2289 +15
−15		   −0.035
±0.118
o
o
o
o
o
 91.4%
±8.8%		 1665
13
96.4
34
74.3
20
99.1
Lat logo 105 Latista (Sinobyl) 1.5
Eric Oldre (2006)		 ! WB !
USA
 North America 2282 +15
−15		   +0.074
±0.151
o
o
o
o
o
 108.5%
±10.0%		 1563
7
88.6
26
70.6
13
98.4
Mad logo 106 Madeleine 0.2
Luigi Ripamonti (2002)		 ! UCI !
Ita
 Europe 2276 +15
−15		   +0.013
±0.120
o
o
o
o
o
 93.4%
±8.1%		 1728
6
92.6
22
81.5
15
93.0
Chi logo 107 Chispa 4.0.3
Federico Andres Corigliano (2005)		 UCI
Arg
 South America 2267 +14
−14		   +0.266
±0.105
o
o
o
o
o
 181.2%
±15.3%		 1836
9
83.8
17
58.2
11
87.0
Ura logo 108 Uralochka 1.1b
Ivan Maklyakov (2008)		 UCI
Rus
 Europe 2265 +18
−17		   +0.067
±0.218
o
o
o
 94.0%
±10.9%		 1184
2
62.6
12
53.7
3
99.5
Atl logo 109 Atlas 2.20
Andres Manzanares (2006)		 ! UCI !
Spa
 Europe 2264 +16
−16
V
 −0.042
±0.193
o
o
o
o
o
 85.7%
±11.0%		 1455
1
98.2
27
98.1
25
99.7
Gen logo 110 Genesis 2.0
Omid David Tabibi (2003)		 WB
Isr
 Asia 2240 +16
−16		   −0.004
±0.142
o
o
o
o
 101.9%
±12.7%		 1461
24
99.7
31
71.6
30
99.9
Inm logo 111 InmiChess 3.06N
Werner Inmann (2000)		 CB
Aus
 Europe 2234 +14
−14		   +0.005
±0.105
o
o
o
o
o		o
 101.0%
±8.8%		 1872
6
86.8
37
73.2
13
89.1
Nag logo 112–113 NagaSkaki 5.12
Neels Groenewald (2008)		 WB
Sou
 Africa 2227 +17
−17		   +0.049
±0.254
o
o
o
 116.6%
±12.8%		 1152
7
76.0
13
51.3
7
87.6
Nes logo 112–113 Nesik 0.7.0 alpha
Marek Strejczek (2004)		 WB
Pol
 Europe 2227 +15
−15		   −0.028
±0.128
o
o
o
o
o
 102.9%
±10.2%		 1655
0
67.2
12
67.2
5
78.5
Sun logo 114 Sunsetter C10.3 64-bit JA
Ben Dean-Kawamura, Georg v. Zimmermann (2003)		 ! WB !
Ger
 Europe 2222 +15
−15		   +0.083
±0.133
o
o
o
o
o
 94.0%
±11.6%		 1607
5
79.4
9
64.4
9
97.4
Ala logo 115 Alarm 0.93.1
Benny Antonsson, Erik Robertsson (2004)		 WB
Swe
 Europe 2218 +15
−15		   −0.098
±0.133
o
o
o
o
 81.9%
±9.8%		 1632
4
92.9
21
86.5
16
92.7
For logo 116–117 Fortress 1.62
Alessandro Damiani (2000)		 WB
Ita
Swi
 Europe 2206 +15
−15
Λ
 −0.013
±0.125
o
o
o
o
o
 105.8%
±14.2%		 1710
12
86.2
16
49.8
12
99.9
WJC logo 116–117 WJChess 1.64
Jean-Francois Gazet (2004)		 UCI
Fra
 Europe 2206 +15
−15		   −0.199
±0.138
o
o
o
o
o
 97.6%
±10.1%		 1627
0
97.8
34
97.7
22
98.2
Alf logo 118–119 Alf 1.09 JA
Casper W. Berg (2007)		 ! WB !
Den
 Europe 2184 +16
−16		   −0.147
±0.204
o
o
o
o
 104.2%
±9.8%		 1376
22
98.1
22
50.6
22
98.4
Gk logo 118–119 Gk 0.90 64-bit JA
Tijs van Dam (2003)		 WB
Net
 Europe 2184 +15
−15
Λ
 −0.125
±0.153
o
o
o
o
o
 96.7%
±10.1%		 1624
0
58.7
24
58.4
2
57.5
Cla logo 120–121 Clarabit 1.00 64-bit
Salvador Pallares (2008)		 UCI
Spa
 Europe 2182 +17
−17		   +0.116
±0.243
o
o
o
 107.3%
±15.9%		 1184
2
57.1
2
48.6
2
90.3
Gho logo 120–121 Ghost 0.14
Philipp Classen (2004)		 ! WB !
Ger
 Europe 2182 +17
−17		   +0.022
±0.190
o
o
o
o
 85.0%
±10.9%		 1376
0
84.3
14
85.8
12
93.1
Win logo 122 Wing 2.0a
Stef Luijten (2005)		 WB
Net
 Europe 2170 +15
−15		   −0.116
±0.144
o
o
o
o
o
 101.7%
±12.7%		 1584
12
94.1
17
69.5
17
99.3
Ura logo 123 Uragano 3D 0.87
Luca Naddei (2006)		 ! WB !
Ita
 Europe 2165 +15
−15		   −0.035
±0.154
o
o
o
o
 94.2%
±10.2%		 1600
5
92.9
29
84.0
17
100
Par logo 124 Parrot 070722
Johanes Suhardjo (2007)		 ! WB !
USA
 North America 2153 +17
−17		   +0.015
±0.292
o
o
o
 93.1%
±10.9%		 1216
12
99.9
38
97.0
33
100
Mat logo 125 Matheus 2.3
Josue Forte (2004)		 UCI
Bra
 South America 2132 +15
−15
Λ
 +0.006
±0.130
o
o
o
o
o		o
 106.0%
±13.4%		 1743
21
99.4
41
76.2
29
99.5
Bod logo 126 Bodo 0.2b
Joel Veness (2003)		 ! WB !
Aus
 Oceania 2124 +15
−15
Λ
 −0.180
±0.113
o
o
o
o
o		o
 90.3%
±10.7%		 1780
8
79.0
30
54.3
9
97.2
Mon logo 127 Monarch 1.7
Steve Maughan (2006)		 ! UCI !
Uni
 Europe 2123 +16
−16
V
 +0.068
±0.171
o
o
o
o
 99.1%
±12.9%		 1536
1
88.2
20
85.2
12
93.2
Bes logo 128 Bestia 0.90
George Lyapko (2003)		 WB
Ukr
 Europe 2112 +15
−15
Λ
 −0.058
±0.102
o
o
o
o
o		o
 99.4%
±10.8%		 1847
11
91.1
15
62.1
14
92.0
Ax logo 129 Ax 0.8
Pham Hong Nguyen (2002)		 ! WB !
Vie
 Asia 2109 +14
−15
Λ
Λ
 −0.144
±0.131
o
o
o
o
o		o
o
 83.3%
±10.0%		 1971
3
65.6
15
54.2
4
72.5
RDC logo 130 RDChess 3.23
Rudolf Posch (2003)		 ! WB !
Aus
 Europe 2108 +15
−16
V
 −0.111
±0.141
o
o
o
o
 96.4%
±11.4%		 1568
1
62.4
7
58.3
4
94.5
Big logo 131 BigLion 2.23x
Matthias Gemuh (2007)		 UCI
Cam
 Africa 2105 +17
−17		   −0.125
±0.162
o
o
o
 94.3%
±12.9%		 1280
3
92.6
17
87.9
16
96.1
Del logo 132 DelphiMax 2.9
Max Bauer (2004)		 ! UCI !
Ger
 Europe 2092 +15
−15
Λ
 −0.101
±0.121
o
o
o
o
o		o
 77.4%
±10.2%		 1756
13
93.2
20
64.3
17
99.7
Arm logo 133 Armageddon 2.308
Grzegorz Sidorowicz (2007)		 WB
Pol
 Europe 2088 +16
−16		   +0.047
±0.219
o
o
o
 113.5%
±12.2%		 1344
4
94.4
30
87.7
17
99.2
Req logo 134 Requiem 0.53
Severi Salminen (2002)		 ! WB !
Fin
 Europe 2075 +15
−14		   +0.364
±0.102
o
o
o
o
 209.4%
±15.7%		 1536
13
97.5
26
81.6
22
97.2
Ele logo 135–136 Elephant 1.06
Harald Luessen (2004)		 ! WB !
Ger
 Europe 2066 +16
−16
Λ
 +0.017
±0.153
o
o
o
o
o
 85.4%
±11.9%		 1596
9
79.9
22
47.1
9
95.4
Sma logo 135–136 Small Potato 0.6.1
Alejandro Dubrovsky (2003)		 WB
Aus
 Oceania 2066 +15
−16		   +0.037
±0.145
o
o
o
o
 104.5%
±12.7%		 1568
0
77.3
17
79.6
8
92.0
Cil logo 137 Cilian 4.14
Francois Scheurer (2004)		 ! WB !
Swi
 Europe 2058 +15
−15		   +0.159
±0.156
o
o
o
o
 130.3%
±10.9%		 1504
8
93.0
17
76.7
17
95.1
Etu logo 138–139 Etude 0.1.2
Jacob Hales (2007)		 ! UCI !
USA
 North America 2049 +18
−18		   +0.093
±0.308
o
o
 102.1%
±10.7%		 1056
9
79.5
17
50.6
9
94.4
Jan logo 138–139 JanWillem 1.13
Laurens Winkelhagen (2004)		 WB
Net
 Europe 2049 +15
−15
Λ
 −0.119
±0.140
o
o
o
o
o
 90.3%
±10.0%		 1681
0
75.9
17
77.8
8
84.1
Mar logo 140 Marvin 1.3.0
Martin Danielsson (2005)		 UCI
Swe
 Europe 2041 +15
−15
Λ
 −0.147
±0.131
o
o
o
o
o
 101.8%
±12.4%		 1717
8
86.0
12
63.8
12
86.7
SSE logo 141 SSEChessII 2.05 DC
Samuel Slutzky (2005)		 WB
USA
 North America 2037 +16
−16
V
 −0.074
±0.142
o
o
o
o
 92.5%
±9.1%		 1440
4
65.7
13
52.3
5
92.4
Mat logo 142 Matant 5.04
Antoni Szczepanski (2007)		 ! WB !
Pol
 Europe 2036 +17
−17
V
 −0.179
±0.225
o
o
o
o
 79.3%
±11.7%		 1344
1
84.6
15
82.4
11
89.1
Fai logo 143 Faile 1.4.4
Adrien Regimbald (2000)		 WB
Can
 North America 2026 +15
−15
Λ
 −0.099
±0.090
o
o
o
o
o		o
 111.0%
±11.2%		 1776
10
87.4
15
61.0
14
95.5
Sma logo 144 Smash 1.0.3
Maurizio Sambati (2006)		 UCI
Ita
 Europe 2022 +16
−17
V
 −0.230
±0.166
o
o
o
o
 90.3%
±13.9%		 1376
4
80.4
20
70.6
10
91.2
Mic logo 145 Micro-Max 4.8 PIV DM
Harm Geert Muller (2008)		 ! WB !
Net
 Europe 2016 +16
−16		   +0.025
±0.147
o
o
o
o
 120.9%
±16.3%		 1376
6
84.2
15
67.6
11
86.3
Sha logo 146 Sharper 0.17
Albert Bertilsson (2003)		 ! WB !
Swe
 Europe 2011 +16
−15
Λ
Λ
 −0.045
±0.115
o
o
o
o
o		o
 84.8%
±10.2%		 1668
5
71.6
12
55.4
6
72.8
Riv logo 147 Rival UCI 1.18
Chris Moreton (2007)		 UCI
Uni
 Europe 2010 +17
−17		   −0.091
±0.168
o
o
o
o
 88.8%
±10.7%		 1312
1
56.8
7
51.3
2
95.6
Mus logo 148 Mustang 4.97
Alexey Korneychuk (2007)		 ! WB !
Bel
 Europe 2009 +17
−17
V
 +0.272
±0.176
o
o
o
o
 121.6%
±12.1%		 1280
1
93.2
18
92.8
17
99.6
Bib logo 149 BibiChess 0.5
Lucas Braesch, Romain Burgot (2006)		 ! UCI !
Fra
 Europe 1993 +15
−15
Λ
 +0.026
±0.127
o
o
o
o
o
 104.1%
±10.5%		 1632
16
99.6
33
90.5
32
99.8
IAC logo 150 IACH 0.56z
Manuel Diaz (2006)		 ! WB !
Spa
 Europe 1977 +17
−17		   −0.055
±0.192
o
o
o
o
o
 97.4%
±14.5%		 1280
16
93.5
34
56.5
18
98.1
War logo 151 Warrior 1.0.3
Aleksandrs Saveljevs (2006)		 WB
Lat
 Europe 1975 +17
−17		   +0.005
±0.118
o
o
o
o
o
 107.1%
±13.6%		 1376
2
77.3
25
72.6
9
89.7
Clu logo 152 Clueless 1.4
Helmut Fett (2007)		 UCI
Ger
 Europe 1968 +18
−18		   −0.075
±0.137
o
o
o
o
o
 65.6%
±10.1%		 1280
7
87.0
15
69.0
13
90.9
Mor logo 153 Morphy 3.22
Eric Walstra (2000)		 ! WB !
Net
 Europe 1962 +17
−17		   +0.031
±0.150
o
o
o
o
o
 118.9%
±16.9%		 1280
6
77.0
16
61.0
9
82.4
Sna logo 154 SnailChess 4.013
Chan Rasjid (2002)		 ! WB !
Sin
 Asia 1959 +19
−19
V
 +0.083
±0.174
o
o
o
o
 103.1%
±16.5%		 1024
3
68.4
12
57.6
6
100
Eag logo 155 Eagle 0.7.5
Frank Scharn (2006)		 ! UCI !
Ger
 Europe 1956 +19
−19
V
 +0.073
±0.189
o
o
o
o
 66.8%
±11.1%		 1056
3
100
75
100
72
100
Sim logo 156 Simontacchi 1.81
Mike Maxim (2003)		 ! UCI !
USA
 North America 1887 +20
−20		   −0.487
±0.245
o
o
o
o
o
 56.3%
±13.4%		 960
69
100
79
69.9
76
100
Cec logo 157 Cecir 3.5
Guillermo Carvalho (2004)		 WB
Uru
 South America 1880 +20
−20
Λ
 +0.051
±0.159
o
o
o
o
o
 100.2%
±13.4%		 960
7
95.9
92
88.6
23
100
Sol logo 158 Soldat 0.25b
Marco Giusfredi (2002)		 ! WB !
Ita
 Europe 1864 +17
−17
Λ
Λ
Λ
Λ
 +0.041
±0.134
o
o
o
o
o		o
o
o
 114.9%
±15.1%		 1417
16
100
62
99.9
55
100
Rob logo 159 Robin 0.983
Piotr Dachtera (2003)		 WB
Pol
 Europe 1825 +20
−20
Λ
Λ
Λ
 −0.004
±0.126
o
o
o
o
o		o
 101.5%
±16.9%		 928
39
99.9
57
53.5
41
100
Gri logo 160 Grizzly 1.40.1b
Michael Lawatsch (2002)		 ! WB !
Ger
 Europe 1823 +20
−20
Λ
Λ
Λ
 −0.369
±0.163
o
o
o
o
o		o
 63.9%
±15.6%		 960
2
96.6
64
95.8
25
98.9
Lau logo 161 Laurifer 1.0
Robert Lubczynski (2005)		 ! WB !
Pol
 Europe 1800 +18
−18
Λ
Λ
Λ
Λ
Λ		Λ
 +0.064
±0.138
o
o
o
o
o		o
o
o
o
 108.6%
±14.4%		 1376
23
98.6
31
70.3
29
99.8
Elf logo 162 Elf 1.3.0
Erdi Ata Bleda (2005)		 ! WB !
Tur
 Asia 1794 +18
−18
Λ
Λ
Λ
Λ
Λ		Λ
Λ
 −0.163
±0.196
o
o
o
o
o		o
o
o
o
 86.5%
±15.8%		 1336
6
91.8
41
81.0
18
99.7
Ald logo 163 Aldebaran 0.7.0
Mauro Scarpa (2001)		 ! WB !
Ita
 Europe 1782 +20
−20
Λ
Λ
Λ
Λ
 +0.078
±0.147
o
o
o
o
o		o
o
 163.8%
±16.7%		 928
12
98.6
35
89.2
29
99.5
Ada logo 164 Adamant 1.7
George Varentsov (2005)		 WB
Rus
 Europe 1765 +19
−19
Λ
Λ
Λ
Λ
Λ		Λ
Λ
 −0.168
±0.136
o
o
o
o
o		o
o
o
o
 95.4%
±14.9%		 1248
17
95.8
38
73.1
26
98.8
SEE logo 165 SEE 0.6.9
Tor Lattimore (2004)		 ! WB !
Aus
 Oceania 1756 +23
−23
Λ
Λ
Λ
 +0.106
±0.171
o
o
o
o
o		o
 111.7%
±13.4%		 736
9
86.3
32
65.4
15
99.3
Miz logo 166 Mizar 3.0
Nicola Rizzuti (2006)		 ! WB !
Ita
 Europe 1750 +20
−21
Λ
Λ
Λ
Λ
Λ		Λ
 −0.009
±0.154
o
o
o
o
o		o
o
o
 87.4%
±18.3%		 1024
6
95.9
37
92.3
28
99.9
Bel logo 167 Belzebub 0.67
Radoslaw Kamowski (2008)		 ! WB !
Pol
 Europe 1728 +23
−24
Λ
Λ
Λ
Λ
 +0.133
±0.167
o
o
o
o
o		o
 127.0%
±17.1%		 672
22
99.9
53
93.2
47
100
ALC logo 168 ALChess 1.5b
Alex Lobanov (2007)		 UCI
Rus
 Europe 1703 +24
−24
Λ
Λ
Λ
Λ
Λ		Λ
 +0.078
±0.220
o
o
o
o
o		o
o
o
 97.8%
±21.6%		 704
25
100
109
100
87
100
Zot logo 169 Zotron 4.4.6
Patrick M. King (2004)		 WB
USA
 North America 1641 +28
−28
Λ
Λ
Λ
Λ
Λ
 −0.011
±0.245
o
o
o
o
o		o
o
 118.8%
±22.3%		 480
62
100
176
100
151
100
Pir logo 170 Piranha 0.5
Martin Villwock (2003)		 UCI
Ger
 Europe 1552 +32
−33
Λ
Λ
Λ
Λ
Λ		Λ
Λ
Λ
Λ
 −0.127
±0.390
o
o
o
o
o		o
o
o
o
o
 79.9%
±18.2%		 416
89
100
228
99.9
166
  
Min logo 171 MiniMardi 1.3
Juan Pablo Fernandez Alvarez (2003)		 WB
Swe
 Europe 1475 +37
−40
Λ
Λ
Λ
Λ
Λ		Λ
Λ
Λ
Λ
Λ		Λ
Λ
 −0.145
±0.747
o
o
o
o
o		o
o
o
o
o		o
o
 105.3%
±38.6%		 320
77
    
     

Score matrix

New versions (top 20, best versions only)
#NameElo1
Fru
2
Spi
3
Gla
4
Fre
5
Del
6
Nau
7
Bri
8
Ala
9
Sco
10
E.T
11
Wil
12
Alf
13
Mov
14
Pro
15
Zap
16
Slo
17
Col
18
Pha
19
Lis
20
SOS
1Fruit 2.3 32-bit2896 61%
19.5/32		55%
17.5/32		59%
19/32		70%
22.5/32		64%
20.5/32		70%
22.5/32		75%
24/32		66%
18.5/28		85%
19.5/23		69%
22/32		80%
21.5/27		67%
18/27		77%
23/30		67%
19.5/29		76%
20.5/27		76%
22/29		76%
19/25		66%
16.5/25		81%
19.5/24
2Spike 1.2 Turin284939%
12.5/32		 45%
14.5/32		56%
18/32		55%
17.5/32		58%
18.5/32		67%
21.5/32		64%
20.5/32		57%
13/23		69%
18.5/27		66%
21/32		70%
16/23		65%
17/26		74%
21.5/29		56%
18/32		68%
19/28		75%
19.5/26		84%
27/32		70%
17.5/25		67%
21.5/32
3Glaurung 2.0.1 64-bit284645%
14.5/32		55%
17.5/32		 58%
18.5/32		69%
22/32		52%
16.5/32		64%
20.5/32		62%
20/32		66%
16.5/25		74%
21.5/29		62%
20/32		62%
16/26		78%
23.5/30		66%
18.5/28		70%
19.5/28		78%
19.5/25		61%
17/28		63%
19/30		73%
22/30		67%
17.5/26
4Frenzee Feb08 64-bit281641%
13/32		44%
14/32		42%
13.5/32		 50%
16/32		53%
17/32		55%
17.5/32		56%
18/32		55%
17.5/32		52%
16.5/32		56%
18/32		66%
21/32		69%
22/32		62%
20/32		66%
21/32		61%
19.5/32		69%
22/32		72%
23/32		61%
19.5/32		69%
22/32
5Delfi 5.4280830%
9.5/32		45%
14.5/32		31%
10/32		50%
16/32		 61%
19.5/32		58%
18.5/32		61%
19.5/32		59%
19/32		61%
19.5/32		61%
19.5/32		67%
21.5/32		56%
18/32		67%
21.5/32		66%
21/32		56%
18/32		56%
18/32		66%
21/32		72%
23/32		64%
20.5/32
6Naum 2.0 64-bit279936%
11.5/32		42%
13.5/32		48%
15.5/32		47%
15/32		39%
12.5/32		 47%
15/32		52%
16.5/32		67%
17.5/26		53%
16/30		59%
19/32		69%
18/26		69%
18.5/27		62%
15.5/25		66%
21/32		53%
17/32		67%
18/27		59%
19/32		62%
20/32		66%
21/32
7Bright 0.2c279230%
9.5/32		33%
10.5/32		36%
11.5/32		45%
14.5/32		42%
13.5/32		53%
17/32		 45%
14.5/32		48%
13.5/28		67%
16/24		58%
18.5/32		61%
16.5/27		54%
14.5/27		54%
14.5/27		72%
21/29		81%
21/26		75%
19.5/26		69%
18.5/27		50%
12.5/25		57%
13/23
8Alaric 707277425%
8/32		36%
11.5/32		38%
12/32		44%
14/32		39%
12.5/32		48%
15.5/32		55%
17.5/32		 56%
14.5/26		44%
11/25		52%
16.5/32		62%
16/26		58%
15/26		48%
10.5/22		60%
15.5/26		50%
13/26		78%
19.5/25		60%
15/25		64%
16/25		55%
16/29
9Scorpio 2.0 32-bit275934%
9.5/28		43%
10/23		34%
8.5/25		45%
14.5/32		41%
13/32		33%
8.5/26		52%
14.5/28		44%
11.5/26		 50%
12.5/25		61%
19.5/32		63%
17/27		60%
14.5/24		58%
14/24		56%
13.5/24		62%
16/26		50%
12/24		56%
14/25		69%
18.5/27		59%
16/27
10E.T. Chess 13.01.08273715%
3.5/23		31%
8.5/27		26%
7.5/29		48%
15.5/32		39%
12.5/32		47%
14/30		33%
8/24		56%
14/25		50%
12.5/25		 47%
15/32		41%
11/27		46%
13/28		58%
14/24		58%
15/26		52%
14.5/28		42%
11/26		57%
13/23		62%
16/26		57%
16/28
11WildCat 8273431%
10/32		34%
11/32		38%
12/32		44%
14/32		39%
12.5/32		41%
13/32		42%
13.5/32		48%
15.5/32		39%
12.5/32		53%
17/32		 52%
16.5/32		59%
19/32		53%
17/32		50%
16/32		50%
16/32		53%
17/32		47%
15/32		44%
14/32		55%
17.5/32
12Alfil 8.1.1 Optimized272720%
5.5/27		30%
7/23		38%
10/26		34%
11/32		33%
10.5/32		31%
8/26		39%
10.5/27		38%
10/26		37%
10/27		59%
16/27		48%
15.5/32		 43%
11.5/27		56%
14/25		60%
15.5/26		55%
15.5/28		65%
17.5/27		52%
12.5/24		50%
13/26		62%
17.5/28
13Movei 00.8.438 (10-10-10)272633%
9/27		35%
9/26		22%
6.5/30		31%
10/32		44%
14/32		31%
8.5/27		46%
12.5/27		42%
11/26		40%
9.5/24		54%
15/28		41%
13/32		57%
15.5/27		 62%
17.5/28		54%
12.5/23		47%
13.5/29		54%
13.5/25		57%
16.5/29		54%
14.5/27		52%
14/27
14Pro Deo 1.6272323%
7/30		26%
7.5/29		34%
9.5/28		38%
12/32		33%
10.5/32		38%
9.5/25		46%
12.5/27		52%
11.5/22		42%
10/24		42%
10/24		47%
15/32		44%
11/25		38%
10.5/28		 52%
12/23		63%
16.5/26		55%
16/29		54%
15/28		56%
14.5/26		46%
12.5/27
15Zappa 1.1 64-bit272233%
9.5/29		44%
14/32		30%
8.5/28		34%
11/32		34%
11/32		34%
11/32		28%
8/29		40%
10.5/26		44%
10.5/24		42%
11/26		50%
16/32		40%
10.5/26		46%
10.5/23		48%
11/23		 45%
14.5/32		50%
12/24		64%
20.5/32		52%
16.5/32		39%
12.5/32
16Slow Chess Blitz WV2.1272024%
6.5/27		32%
9/28		22%
5.5/25		39%
12.5/32		44%
14/32		47%
15/32		19%
5/26		50%
13/26		38%
10/26		48%
13.5/28		50%
16/32		45%
12.5/28		53%
15.5/29		37%
9.5/26		55%
17.5/32		 56%
13.5/24		48%
15.5/32		50%
16/32		39%
8.5/22
17Colossus 2007d271124%
7/29		25%
6.5/26		39%
11/28		31%
10/32		44%
14/32		33%
9/27		25%
6.5/26		22%
5.5/25		50%
12/24		58%
15/26		47%
15/32		35%
9.5/27		46%
11.5/25		45%
13/29		50%
12/24		44%
10.5/24		 38%
8/21		62%
15/24		48%
11/23
18Pharaon 3.5.1270824%
6/25		16%
5/32		37%
11/30		28%
9/32		34%
11/32		41%
13/32		31%
8.5/27		40%
10/25		44%
11/25		43%
10/23		53%
17/32		48%
11.5/24		43%
12.5/29		46%
13/28		36%
11.5/32		52%
16.5/32		62%
13/21		 44%
14/32		60%
18.5/31
19List 5.12270234%
8.5/25		30%
7.5/25		27%
8/30		39%
12.5/32		28%
9/32		38%
12/32		50%
12.5/25		36%
9/25		31%
8.5/27		38%
10/26		56%
18/32		50%
13/26		46%
12.5/27		44%
11.5/26		48%
15.5/32		50%
16/32		38%
9/24		56%
18/32		 48%
15.5/32
20SOS 5.1270019%
4.5/24		33%
10.5/32		33%
8.5/26		31%
10/32		36%
11.5/32		34%
11/32		43%
10/23		45%
13/29		41%
11/27		43%
12/28		45%
14.5/32		38%
10.5/28		48%
13/27		54%
14.5/27		61%
19.5/32		61%
13.5/22		52%
12/23		40%
12.5/31		52%
16.5/32		 
Score color legend:
(Only pairs with at least 20 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

LOS matrix

New versions (top 20, best versions only)
#NameElo1
Fru
2
Spi
3
Gla
4
Fre
5
Del
6
Nau
7
Bri
8
Ala
9
Sco
10
E.T
11
Wil
12
Alf
13
Mov
14
Pro
15
Zap
16
Slo
17
Col
18
Pha
19
Lis
20
SOS
1Fruit 2.3 32-bit2896 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Spike 1.2 Turin28490.1 59.998.799.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Glaurung 2.0.1 64-bit28460.040.1 97.699.5100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Frenzee Feb08 64-bit28160.01.32.4 71.189.194.899.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Delfi 5.428080.00.20.528.9 73.785.999.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Naum 2.0 64-bit27990.00.00.010.926.3 69.696.899.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7Bright 0.2c27920.00.00.05.214.130.4 89.298.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8Alaric 70727740.00.00.00.21.03.210.8 85.399.699.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
9Scorpio 2.0 32-bit27590.00.00.00.00.00.21.214.7 94.596.399.099.399.699.899.9100.0100.0100.0100.0
10E.T. Chess 13.01.0827370.00.00.00.00.00.00.00.45.5 58.477.280.285.989.191.597.899.099.899.9
11WildCat 827340.00.00.00.00.00.00.00.23.741.6 70.073.480.584.187.196.398.299.599.7
12Alfil 8.1.1 Optimized27270.00.00.00.00.00.00.00.01.022.830.0 53.763.567.372.389.794.198.098.6
13Movei 00.8.438 (10-10-10)27260.00.00.00.00.00.00.00.00.719.826.646.3 60.264.069.488.393.397.798.4
14Pro Deo 1.627230.00.00.00.00.00.00.00.00.414.119.536.539.8 53.158.881.488.095.096.4
15Zappa 1.1 64-bit27220.00.00.00.00.00.00.00.00.210.915.932.736.046.9 56.381.088.495.797.0
16Slow Chess Blitz WV2.127200.00.00.00.00.00.00.00.00.18.512.927.730.641.243.7 76.384.693.795.4
17Colossus 2007d27110.00.00.00.00.00.00.00.00.02.23.710.311.718.619.023.7 60.177.181.5
18Pharaon 3.5.127080.00.00.00.00.00.00.00.00.01.01.85.96.712.011.615.439.9 69.575.0
19List 5.1227020.00.00.00.00.00.00.00.00.00.20.52.02.35.04.36.322.930.5 56.6
20SOS 5.127000.00.00.00.00.00.00.00.00.00.10.31.41.63.63.04.618.525.043.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Complete list (all engines and versions)

Custom comparison

Step 1. Select class of engines to compare:

Only new versions
Only best versions from each family

Select additional individual engines or engine families. You can select multiple items in each list by pressing SHIFT or CTRL while selecting. These lists can be used all at the same time, all selections will be combined together.

Countries/Regions

Families

Engines


Step 2. Select output that you want to see.

Rating list
      Protocols
      Logos
      Flags
      Continents
     LOS columns:

Crosstables:
Results
Performances
Score
LOS
Ponder hit
Eval difference
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Expected score
 Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents
Ponder hit with common opponents
Ponder hit with all opponents
Eval difference with common opponents
Eval difference with all opponents

Ponder hit: most similar pairs
Ponder hit: most similar pairs (different families only)
Ponder hit: most different pairs
Ponder hit: most different pairs (same families only)
Eval diff: most similar pairs
Eval diff: most similar pairs (different families only)
Eval diff: most different pairs
Eval diff: most different pairs (same families only)

Maximum size of cross-tables (from 2 to 200):
Limit crosstables to engines in ELO range: to

Cross-tables show only best version of each engine
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Step 3.


Download games in PGN format

All games are compressed with 7-zip.

All KCEC games, moves only

122,915 games (25.87 MB)

All KCEC games, with evaluations and thinking times

122,915 games (73.92 MB)

Selection of games
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2012 by Kirill Kryukov
Updated on April 21, 2012