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See it for yourselfAbout this chess game
This chess game between David E Onley (2056) and Marek Mazek (2002) was played at 4NCL Division Four in 2025 and finished 0-1. 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 David E Onley games or Marek Mazek games? This David E Onley vs Marek Mazek 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 David E Onley vs Marek Mazek?
David E Onley vs Marek Mazek (2025) finished 0-1, a win for Marek Mazek.
What opening was played in David E Onley vs Marek Mazek?
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 David E Onley vs Marek Mazek, or open it on the CipherChess analysis board to review it with the Stockfish engine.