Jan Porstmann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NRW-ch U12 | 04/09/2007 | 1365 | Germany |
| Solingen op-B | 05/26/2005 | 1378 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 3 games |
| B20 | Sicilian defence | 1 games |
| A46 | Queen's pawn game | 1 games |
| B30 | Sicilian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| D38 | Queen's Gambit Declined, Ragozin variation | 1 games |
| C42 | Petrov's defence | 1 games |
| B30 | Sicilian defence | 1 games |
Germany
Male
FIDE ID:

