Male
FIDE ID:
Mark Heidenfeld
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 44th Olympiad 2022 | 07/29/2022 | 2018 |  India |
| 26th Bunratty Masters | 02/22/2019 | 2342 |  Ireland |
| 1st Schachzauber 2018 | 01/13/2018 | 2370 |  Germany |
| 42nd Olympiad 2016 | 09/02/2016 | 2153 |  Azerbaijan |
Most Played Openings as White
| ECO | Opening | Games |
| B53 | Sicilian, Chekhover variation | 14 games |
| B02 | Alekhine's defence | 11 games |
| C15 | French, Winawer (Nimzovich) variation | 11 games |
| B01 | Scandinavian (centre counter) defence | 10 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C10 | French, Paulsen variation | 12 games |
| A53 | Old Indian defence | 8 games |
| C14 | French, classical variation | 7 games |
| C02 | French, advance variation | 7 games |
