Adolf Georg Olland
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch08 | 07/??/1933 | 0 | Netherlands |
| NED-ch07 | 07/??/1929 | 0 | Netherlands |
| NED-ch06 | 07/??/1926 | 0 | Netherlands |
| NED-BEL m | ??/??/1925 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C01 | French, exchange variation | 10 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 8 games |
| C83 | Ruy Lopez, open, classical defence | 6 games |
| C87 | Ruy Lopez, closed, Averbach variation | 5 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 14 games |
| C01 | French, exchange variation | 6 games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 6 games |
| B45 | Sicilian, Taimanov variation | 6 games |


Netherlands