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See it for yourselfAbout this chess game
This chess game between Rui Oscar Mendes (2026) and Alvaro Costa (1800) was played at Usar Tolas 2nd and finished 1-0. The opening was the King's Indian Defense: Sämisch Variation, Yates Defense (E83).
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 Rui Oscar Mendes games or Alvaro Costa games? This Rui Oscar Mendes vs Alvaro Costa 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 King's Indian Defense: Sämisch Variation, Yates Defense.
Frequently asked questions
Who won Rui Oscar Mendes vs Alvaro Costa?
Rui Oscar Mendes vs Alvaro Costa finished 1-0, a win for Rui Oscar Mendes.
What opening was played in Rui Oscar Mendes vs Alvaro Costa?
The game opened with the King's Indian Defense: Sämisch Variation, Yates Defense (ECO E83).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Rui Oscar Mendes vs Alvaro Costa, or open it on the CipherChess analysis board to review it with the Stockfish engine.