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See it for yourselfAbout this chess game
This chess game between Jon Goni Sierro (2160) and Oleg Korneev (2427) was played at I Torneo Internacional de Ajedrez Ciudad de Pamplona - Pepe Leuza in Memoriam in 2026 and finished 0-1. The opening was the Slav Defense: Czech Variation, Classical System, Main Line (D19).
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 Jon Goni Sierro games or Oleg Korneev games? This Jon Goni Sierro vs Oleg Korneev 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 Slav Defense: Czech Variation, Classical System, Main Line.
Frequently asked questions
Who won Jon Goni Sierro vs Oleg Korneev?
Jon Goni Sierro vs Oleg Korneev (2026) finished 0-1, a win for Oleg Korneev.
What opening was played in Jon Goni Sierro vs Oleg Korneev?
The game opened with the Slav Defense: Czech Variation, Classical System, Main Line (ECO D19).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Jon Goni Sierro vs Oleg Korneev, or open it on the CipherChess analysis board to review it with the Stockfish engine.