Markus Olschewski
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Ghent op 26th | 07/19/2003 | 911 |  Belgium |
| Gent op 26th | 07/19/2003 | 911 | Belgium |
| Ruhrgebiet-ch U15 | ??/??/1998 | 0 |  Germany |
| NRW holiday op U13 | ??/??/1995 | 0 | Germany |
Markus Olschewski Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| B00 | King's pawn opening | 2 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| E14 | Queen's Indian, 4.e3 | 1 games |
Markus Olschewski Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C55 | Two knights defence | 2 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 2 games |
| D53 | Queen's Gambit Declined, 4.Bg5 Be7 | 1 games |
| B32 | Sicilian defence | 1 games |
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