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You just replayed Mateusz Kolosowski vs Vasilisa Onischuk. 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 Mateusz Kolosowski (2444) and Vasilisa Onischuk (1541) was played at FIDE World Corporate KO in 2025 and finished 0-1. The opening was the Modern Defense (B06).
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 Mateusz Kolosowski games or Vasilisa Onischuk games? This Mateusz Kolosowski vs Vasilisa Onischuk 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 Modern Defense.
Frequently asked questions
Who won Mateusz Kolosowski vs Vasilisa Onischuk?
Mateusz Kolosowski vs Vasilisa Onischuk (2025) finished 0-1, a win for Vasilisa Onischuk.
What opening was played in Mateusz Kolosowski vs Vasilisa Onischuk?
The game opened with the Modern Defense (ECO B06).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Mateusz Kolosowski vs Vasilisa Onischuk, or open it on the CipherChess analysis board to review it with the Stockfish engine.