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You just replayed Oscar Koppenens vs Jort Cornelissen. 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 Oscar Koppenens (2024) and Jort Cornelissen (1863) was played at 15. WLC Weekender 2025 in 2025 and finished 1-0. The opening was the Sicilian Defense: Najdorf Variation (B90).
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 Oscar Koppenens games or Jort Cornelissen games? This Oscar Koppenens vs Jort Cornelissen 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: Najdorf Variation.
Frequently asked questions
Who won Oscar Koppenens vs Jort Cornelissen?
Oscar Koppenens vs Jort Cornelissen (2025) finished 1-0, a win for Oscar Koppenens.
What opening was played in Oscar Koppenens vs Jort Cornelissen?
The game opened with the Sicilian Defense: Najdorf Variation (ECO B90).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Oscar Koppenens vs Jort Cornelissen, or open it on the CipherChess analysis board to review it with the Stockfish engine.