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See it for yourselfAbout this chess game
This chess game between Freek Thijssen (2122) and Ramon Koster (2317) was played at HSG Open 2025 in 2025 and finished 0-1. 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 Freek Thijssen games or Ramon Koster games? This Freek Thijssen vs Ramon Koster 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 Freek Thijssen vs Ramon Koster?
Freek Thijssen vs Ramon Koster (2025) finished 0-1, a win for Ramon Koster.
What opening was played in Freek Thijssen vs Ramon Koster?
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 Freek Thijssen vs Ramon Koster, or open it on the CipherChess analysis board to review it with the Stockfish engine.