Male
FIDE ID:
Sipke Ernst
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ch-NED KO 2025 | 07/05/2025 | 2547 |  Netherlands |
| Dutch League 2024-25 | 09/21/2024 | 2267 | Netherlands |
| TCh-BEL 2024-25 | 09/29/2024 | 2286 |  Belgium |
| TCh-SWE Elitserien | 10/04/2024 | 2347 |  Sweden |
Sipke Ernst Opening Repertoire with White pieces
| ECO | Opening | Games |
| D85 | Gruenfeld, exchange variation | 34 games |
| E97 | King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 24 games |
| D30 | Queen's gambit declined | 19 games |
| E00 | Queen's pawn game | 18 games |
Sipke Ernst Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C77 | Ruy Lopez, Morphy defence | 24 games |
| C83 | Ruy Lopez, open, classical defence | 24 games |
| C80 | Ruy Lopez, open (Tarrasch) defence | 23 games |
| C45 | Scotch game | 21 games |
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