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You just replayed Oliver Sun vs Zachary Yu. 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 Oliver Sun (1764) and Zachary Yu (2081) was played at NSCC 2026 | Summer Cup in 2026 and finished ½-½. The opening was the Queen's Gambit Declined: Ragozin Defense, Vienna Variation (D39).
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 Oliver Sun games or Zachary Yu games? This Oliver Sun vs Zachary Yu 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: Ragozin Defense, Vienna Variation.
Frequently asked questions
Who won Oliver Sun vs Zachary Yu?
Oliver Sun vs Zachary Yu (2026) finished ½-½, and the game was drawn.
What opening was played in Oliver Sun vs Zachary Yu?
The game opened with the Queen's Gambit Declined: Ragozin Defense, Vienna Variation (ECO D39).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Oliver Sun vs Zachary Yu, or open it on the CipherChess analysis board to review it with the Stockfish engine.