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You just replayed Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki. 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 Katrin Osk Tomasdottir (1440) and Mateusz Sylwester Zawadzki was played at Reykjavik Open 2026 in 2026 and finished 1-0. The opening was the Slav Defense (D10).
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 Katrin Osk Tomasdottir games or Mateusz Sylwester Zawadzki games? This Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki 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 Slav Defense.
Frequently asked questions
Who won Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki?
Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki (2026) finished 1-0, a win for Katrin Osk Tomasdottir.
What opening was played in Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki?
The game opened with the Slav Defense (ECO D10).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Katrin Osk Tomasdottir vs Mateusz Sylwester Zawadzki, or open it on the CipherChess analysis board to review it with the Stockfish engine.