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See it for yourselfAbout this chess game
This chess game between Cosimo Chiari (1957) and Ottavio Mammi (2156) was played at Torneo internazionale Giorgio Vasari - Arezzo in 2026 and finished 0-1. The opening was the Queen's Gambit Declined (D30).
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 Cosimo Chiari games or Ottavio Mammi games? This Cosimo Chiari vs Ottavio Mammi 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 Declined.
Frequently asked questions
Who won Cosimo Chiari vs Ottavio Mammi?
Cosimo Chiari vs Ottavio Mammi (2026) finished 0-1, a win for Ottavio Mammi.
What opening was played in Cosimo Chiari vs Ottavio Mammi?
The game opened with the Queen's Gambit Declined (ECO D30).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Cosimo Chiari vs Ottavio Mammi, or open it on the CipherChess analysis board to review it with the Stockfish engine.