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You just replayed Jan Boersma vs Jasper Dekker. On CipherChess, the same board opens up any game — check every move against the engine, prep the players you're about to face, and keep it all in one place that follows you everywhere.
See it for yourselfAbout this chess game
This chess game between Jan Boersma (2087) and Jasper Dekker (1958) was played at Dutch Open 2026 - Reserve A in 2026 and finished ½-½. The opening was the Sicilian Defense: Closed (B23).
You can replay the full game move by move on the interactive board above, or open it on the CipherChess analysis board to study every move with the Stockfish engine.
Looking for more Jan Boersma games or Jasper Dekker games? This Jan Boersma vs Jasper Dekker encounter is one of millions of chess games indexed in the CipherChess mega database. Browse both players' full records, the openings they play most, and head-to-head results, then load any game onto the board to prepare your own lines against the Sicilian Defense: Closed.
Frequently asked questions
Who won Jan Boersma vs Jasper Dekker?
Jan Boersma vs Jasper Dekker (2026) finished ½-½, and the game was drawn.
What opening was played in Jan Boersma vs Jasper Dekker?
The game opened with the Sicilian Defense: Closed (ECO B23).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Jan Boersma vs Jasper Dekker, or open it on the CipherChess analysis board to review it with the Stockfish engine.