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See it for yourselfAbout this chess game
This chess game between Marcin Sieciechowicz (2403) and Patryk Mrozowski (2177) was played at Semifinals ch-POL 2025 in 2025 and finished 1-0. The opening was the Semi-Slav Defense (D43).
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 Marcin Sieciechowicz games or Patryk Mrozowski games? This Marcin Sieciechowicz vs Patryk Mrozowski 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 Semi-Slav Defense.
Frequently asked questions
Who won Marcin Sieciechowicz vs Patryk Mrozowski?
Marcin Sieciechowicz vs Patryk Mrozowski (2025) finished 1-0, a win for Marcin Sieciechowicz.
What opening was played in Marcin Sieciechowicz vs Patryk Mrozowski?
The game opened with the Semi-Slav Defense (ECO D43).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Marcin Sieciechowicz vs Patryk Mrozowski, or open it on the CipherChess analysis board to review it with the Stockfish engine.