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See it for yourselfAbout this chess game
This chess game between Mark Van der Werf (2388) and Siem Van Dael (2271) was played at Dutch League 2024-25 in 2025 and finished 1-0. The opening was the King's Indian Defense: Orthodox Variation (E92).
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 Mark Van der Werf games or Siem Van Dael games? This Mark Van der Werf vs Siem Van Dael 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 King's Indian Defense: Orthodox Variation.
Frequently asked questions
Who won Mark Van der Werf vs Siem Van Dael?
Mark Van der Werf vs Siem Van Dael (2025) finished 1-0, a win for Mark Van der Werf.
What opening was played in Mark Van der Werf vs Siem Van Dael?
The game opened with the King's Indian Defense: Orthodox Variation (ECO E92).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Mark Van der Werf vs Siem Van Dael, or open it on the CipherChess analysis board to review it with the Stockfish engine.