Ru Nielsen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Politiken Cup 22nd | 07/17/2000 | 1320 |  Denmark |
Most Played Openings as White
| ECO | Opening | Games |
| E91 | King's Indian, 6.Be2 | 1 games |
| D08 | Queen's Gambit Declined, Albin counter-gambit | 1 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D63 | Queen's Gambit Declined, Orthodox defence, 7.Rc1 | 1 games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
| A22 | English opening | 1 games |
