Holger Mast
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Muensterland Verbandsklasse-B 0607 | 09/23/2006 | 1752 |  Germany |
| Verbandsklasse A Muensterland 0506 | 09/03/2005 | 1810 | Germany |
| Muensterland Verbandsklasse-A 0405 | 09/11/2004 | 1795 | Germany |
| Muensterland Verbandsliga 0203 | 09/21/2002 | 1915 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| B72 | Sicilian, dragon, 6.Be3 | 1 games |
| B76 | Sicilian, dragon, Yugoslav attack, 7...O-O | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
| B90 | Sicilian, Najdorf | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D09 | Queen's Gambit Declined, Albin counter-gambit, 5.g3 | 1 games |
| C01 | French, exchange variation | 1 games |
