Jacques Davidson
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch07 | 07/??/1929 | 0 | Netherlands |
| Amsterdam m | ??/??/1927 | 0 | Netherlands |
| Semmering | ??/??/1926 | 0 | Austria |
| Amsterdam m1 | ??/??/1926 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 3 games |
| D02 | Queen's pawn game | 3 games |
| D79 | Neo-Gruenfeld, 6.O-O, main line | 2 games |
| A84 | Dutch defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B13 | Caro-Kann, exchange variation | 4 games |
| D55 | Queen's Gambit Declined, 6.Nf3 | 3 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 2 games |
| D05 | Queen's pawn game | 2 games |


Netherlands
Austria