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You just replayed Frank McMahon vs John Kian Oneill. 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 Frank McMahon (1818) and John Kian Oneill (1794) was played at World Senior Teams +65 in 2024 and finished ½-½. The opening was the Modern Defense (B06).
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 Frank McMahon games or John Kian Oneill games? This Frank McMahon vs John Kian Oneill 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 Modern Defense.
Frequently asked questions
Who won Frank McMahon vs John Kian Oneill?
Frank McMahon vs John Kian Oneill (2024) finished ½-½, and the game was drawn.
What opening was played in Frank McMahon vs John Kian Oneill?
The game opened with the Modern Defense (ECO B06).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Frank McMahon vs John Kian Oneill, or open it on the CipherChess analysis board to review it with the Stockfish engine.