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You just replayed Mats Harren vs Daniel Ronneland. 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 Mats Harren (1974) and Daniel Ronneland (2187) was played at Karlstad Open in 2025 and finished 0-1. The opening was the Sicilian Defense: McDonnell Attack (B21).
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 Mats Harren games or Daniel Ronneland games? This Mats Harren vs Daniel Ronneland 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 Sicilian Defense: McDonnell Attack.
Frequently asked questions
Who won Mats Harren vs Daniel Ronneland?
Mats Harren vs Daniel Ronneland (2025) finished 0-1, a win for Daniel Ronneland.
What opening was played in Mats Harren vs Daniel Ronneland?
The game opened with the Sicilian Defense: McDonnell Attack (ECO B21).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Mats Harren vs Daniel Ronneland, or open it on the CipherChess analysis board to review it with the Stockfish engine.