Male
FIDE ID:
Harmen Jonkman
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 39th ECC Open 2024 | 10/20/2024 | 2410 |  Serbia |
| Abu Dhabi Masters Online | 08/21/2024 | 2307 | |
| 15th BPB Limburg Open | 05/26/2023 | 2345 |  Netherlands |
| II Sunway Formentera Open | 04/18/2023 | 2338 |  Spain |
Harmen Jonkman Opening Repertoire with White pieces
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 198 games |
| C02 | French, advance variation | 129 games |
| B19 | Caro-Kann, classical, 7...Nd7 | 27 games |
| B09 | Pirc, Austrian attack | 22 games |
Harmen Jonkman Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C67 | Ruy Lopez, Berlin defence, open variation | 61 games |
| D27 | Queen's Gambit Accepted, classical, 6...a6 | 49 games |
| C45 | Scotch game | 40 games |
| D20 | Queen's gambit accepted | 34 games |
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