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See it for yourselfAbout this chess game
This chess game between Siyao Ou (1542) and Siyuan Ou (1638) was played at 2026 Delancey UKCC Challengers Under 18 in 2026 and finished 1-0. The opening was the French Defense: Advance Variation (C02).
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 Siyao Ou games or Siyuan Ou games? This Siyao Ou vs Siyuan Ou 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 French Defense: Advance Variation.
Frequently asked questions
Who won Siyao Ou vs Siyuan Ou?
Siyao Ou vs Siyuan Ou (2026) finished 1-0, a win for Siyao Ou.
What opening was played in Siyao Ou vs Siyuan Ou?
The game opened with the French Defense: Advance Variation (ECO C02).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Siyao Ou vs Siyuan Ou, or open it on the CipherChess analysis board to review it with the Stockfish engine.