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You just replayed Paul Van der Kooij vs Ethan Sonntag. 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 Paul Van der Kooij (2023) and Ethan Sonntag was played at Corr EU in 1985 and finished ½-½. The opening was the Sicilian Defense: Open (B32).
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 Paul Van der Kooij games or Ethan Sonntag games? This Paul Van der Kooij vs Ethan Sonntag 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: Open.
Frequently asked questions
Who won Paul Van der Kooij vs Ethan Sonntag?
Paul Van der Kooij vs Ethan Sonntag (1985) finished ½-½, and the game was drawn.
What opening was played in Paul Van der Kooij vs Ethan Sonntag?
The game opened with the Sicilian Defense: Open (ECO B32).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Paul Van der Kooij vs Ethan Sonntag, or open it on the CipherChess analysis board to review it with the Stockfish engine.