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See it for yourselfAbout this chess game
This chess game between Mark Adams (1851) and Ondrej Matejovsky (1990) was played at Welsh Championships 2026 | Open in 2026 and finished 1-0. The opening was the Petrov's Defense (C42).
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 Mark Adams games or Ondrej Matejovsky games? This Mark Adams vs Ondrej Matejovsky 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 Petrov's Defense.
Frequently asked questions
Who won Mark Adams vs Ondrej Matejovsky?
Mark Adams vs Ondrej Matejovsky (2026) finished 1-0, a win for Mark Adams.
What opening was played in Mark Adams vs Ondrej Matejovsky?
The game opened with the Petrov's Defense (ECO C42).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Mark Adams vs Ondrej Matejovsky, or open it on the CipherChess analysis board to review it with the Stockfish engine.