Netherlands
Male
FIDE ID:
Mark Haast
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dutch League 2019-20 | 09/28/2019 | 2347 |  Netherlands |
| Dutch League 2018-19 | 09/15/2018 | 2375 | Netherlands |
| 21st Sants Open 2019 | 08/23/2019 | 2239 |  Spain |
| 13th BPB Limburg Open | 06/07/2019 | 2318 | Netherlands |
Mark Haast Repertoire with White pieces (most played)
| ECO | Opening | Games |
| A20 | English opening | 7 games |
| B21 | Sicilian, Grand Prix attack | 5 games |
| A13 | English opening | 4 games |
| C24 | Bishop's opening, Berlin defence | 4 games |
Mark Haast Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B31 | Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6) | 7 games |
| B33 | Sicilian defence | 5 games |
| B06 | Robatsch (modern) defence | 4 games |
| C42 | Petrov's defence | 4 games |
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