Kersten
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch06 | 07/??/1926 | 0 |  Netherlands |
| NED-BEL m | ??/??/1925 | 0 | Netherlands |
| NED-ch | ??/??/1925 | 0 | Netherlands |
| NED-ch05 | 07/??/1924 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E67 | King's Indian, fianchetto with ...Nd7 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D05 | Queen's pawn game | 1 games |
| A22 | English opening | 1 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 1 games |
