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You just replayed Minjun Koo vs Yidong Chen. 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 Minjun Koo (1878) and Yidong Chen (2056) was played at New Year Open in 2025 and finished 1-0. The opening was the Sicilian Defense: Alapin Variation (B22).
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 Minjun Koo games or Yidong Chen games? This Minjun Koo vs Yidong Chen 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: Alapin Variation.
Frequently asked questions
Who won Minjun Koo vs Yidong Chen?
Minjun Koo vs Yidong Chen (2025) finished 1-0, a win for Minjun Koo.
What opening was played in Minjun Koo vs Yidong Chen?
The game opened with the Sicilian Defense: Alapin Variation (ECO B22).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Minjun Koo vs Yidong Chen, or open it on the CipherChess analysis board to review it with the Stockfish engine.