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You just replayed Jan Mazur vs Boleslaw Kaczmarczyk. 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 Jan Mazur (1594) and Boleslaw Kaczmarczyk (1403) was played at Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ in 2026 and finished 1-0. The opening was the Queen's Gambit Accepted (D24).
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 Jan Mazur games or Boleslaw Kaczmarczyk games? This Jan Mazur vs Boleslaw Kaczmarczyk 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 Queen's Gambit Accepted.
Frequently asked questions
Who won Jan Mazur vs Boleslaw Kaczmarczyk?
Jan Mazur vs Boleslaw Kaczmarczyk (2026) finished 1-0, a win for Jan Mazur.
What opening was played in Jan Mazur vs Boleslaw Kaczmarczyk?
The game opened with the Queen's Gambit Accepted (ECO D24).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Jan Mazur vs Boleslaw Kaczmarczyk, or open it on the CipherChess analysis board to review it with the Stockfish engine.