Welf Aumann
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| TCh-SUI NatLigaA | 02/14/2010 | 2342 | Switzerland |
| Hilton Schachfestival | 01/01/2009 | 2208 | Switzerland |
| SUI-chT | 02/25/2007 | 2357 | Switzerland |
| SUI-chT | 02/26/2006 | 2358 | Switzerland |
Most Played Openings as White
| ECO | Opening | Games |
| A25 | English, Sicilian reversed | 8 games |
| A10 | English opening | 6 games |
| A20 | English opening | 5 games |
| A30 | English, symmetrical variation | 4 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C16 | French, Winawer, advance variation | 6 games |
| A90 | Dutch defence | 4 games |
| C11 | French defence | 4 games |
| C01 | French, exchange variation | 4 games |
Germany
Male
FIDE ID:

Switzerland