Petrus Van Hoorn
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Scheveningen | ??/??/1933 | 0 |  Netherlands |
| NED-ch08 | 07/??/1933 | 0 | Netherlands |
| Amsterdam m4 | ??/??/1928 | 0 | Netherlands |
| NED-ch06 | 07/??/1926 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| E67 | King's Indian, fianchetto with ...Nd7 | 2 games |
| C01 | French, exchange variation | 1 games |
| B02 | Alekhine's defence | 1 games |
| E32 | Nimzo-Indian, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
| E34 | Nimzo-Indian, classical, Noa variation | 1 games |
| E10 | Queen's pawn game | 1 games |
