John Mortensen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EU-Cup 21st | 09/18/2005 | 2236 | Italy |
| EUCup 20th | 10/03/2004 | 2235 | Turkey |
| DEN-chT 9394 | ??/??/1993 | 1601 | Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| C49 | Four knights, double Ruy Lopez | 2 games |
| C03 | French, Tarrasch | 1 games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 1 games |
| C48 | Four knights, Spanish variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B35 | Sicilian, accelerated fianchetto, modern variation with Bc4 | 1 games |
| E05 | Catalan, open, classical line | 1 games |
| A38 | English, symmetrical variation | 1 games |
| B39 | Sicilian, accelerated fianchetto, Breyer variation | 1 games |
Denmark
Male
FIDE ID:

Italy
Turkey