I. De Winter
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lugano ol (Men) | 10/17/1968 | 0 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| A42 | Modern defence, Averbakh system | 1 games |
| D40 | Queen's Gambit Declined, Semi-Tarrasch defence | 1 games |
| E63 | King's Indian, fianchetto, Panno variation | 1 games |
| D42 | Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B43 | Sicilian, Kan, 5.Nc3 | 2 games |
| A36 | English, symmetrical variation | 1 games |
| B48 | Sicilian, Taimanov variation | 1 games |
| B46 | Sicilian, Taimanov variation | 1 games |


Switzerland