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You just replayed Magnus Constantine Kostov vs Yuma Obataya. 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 Magnus Constantine Kostov and Yuma Obataya (1672) was played at Swiss Youth Championship 2026 U12 in 2026 and finished 0-1. The opening was the Sicilian Defense: Old Sicilian (B30).
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 Magnus Constantine Kostov games or Yuma Obataya games? This Magnus Constantine Kostov vs Yuma Obataya 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: Old Sicilian.
Frequently asked questions
Who won Magnus Constantine Kostov vs Yuma Obataya?
Magnus Constantine Kostov vs Yuma Obataya (2026) finished 0-1, a win for Yuma Obataya.
What opening was played in Magnus Constantine Kostov vs Yuma Obataya?
The game opened with the Sicilian Defense: Old Sicilian (ECO B30).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Magnus Constantine Kostov vs Yuma Obataya, or open it on the CipherChess analysis board to review it with the Stockfish engine.