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You just replayed Josef Omarsson vs Derek Adair. 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 Josef Omarsson (2011) and Derek Adair (1865) was played at Reykjavik Open 2025 in 2025 and finished 1-0. The opening was the Slav Defense (D10).
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 Josef Omarsson games or Derek Adair games? This Josef Omarsson vs Derek Adair 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 Slav Defense.
Frequently asked questions
Who won Josef Omarsson vs Derek Adair?
Josef Omarsson vs Derek Adair (2025) finished 1-0, a win for Josef Omarsson.
What opening was played in Josef Omarsson vs Derek Adair?
The game opened with the Slav Defense (ECO D10).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Josef Omarsson vs Derek Adair, or open it on the CipherChess analysis board to review it with the Stockfish engine.