Male
FIDE ID:
Bob Jansen
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2024-25 | 09/21/2024 | 2267 |  Netherlands |
| 39th ECC Open 2024 | 10/20/2024 | 2410 |  Serbia |
| Riga Tech Open A 2024 | 08/05/2024 | 2316 |  Latvia |
| ch-NED Qualification 2024 | 06/08/2024 | 2265 | Netherlands |
Bob Jansen Opening Repertoire with White pieces
| ECO | Opening | Games |
| D00 | Queen's pawn game | 11 games |
| A45 | Queen's pawn game | 11 games |
| C50 | King's pawn game | 5 games |
| B07 | Pirc defence | 5 games |
Bob Jansen Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C02 | French, advance variation | 8 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 7 games |
| C17 | French, Winawer, advance variation | 5 games |
| C18 | French, Winawer, advance variation | 4 games |
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