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You just replayed N Sedlak vs Ruben Gideon Koellner. 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 N Sedlak (2432) and Ruben Gideon Koellner (2503) was played at Zupanja Celebrates GM2 in 2025 and finished ½-½. The opening was the English Opening: Anglo-Indian Defense (A15).
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 N Sedlak games or Ruben Gideon Koellner games? This N Sedlak vs Ruben Gideon Koellner 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 English Opening: Anglo-Indian Defense.
Frequently asked questions
Who won N Sedlak vs Ruben Gideon Koellner?
N Sedlak vs Ruben Gideon Koellner (2025) finished ½-½, and the game was drawn.
What opening was played in N Sedlak vs Ruben Gideon Koellner?
The game opened with the English Opening: Anglo-Indian Defense (ECO A15).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of N Sedlak vs Ruben Gideon Koellner, or open it on the CipherChess analysis board to review it with the Stockfish engine.