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You just replayed Sebastian Hartwig vs Ralf-Johannes Koch. 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 Sebastian Hartwig (1860) and Ralf-Johannes Koch (1926) was played in 2009 and finished 1-0. The opening was the King's Indian Defense: Orthodox Variation (E91).
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 Sebastian Hartwig games or Ralf-Johannes Koch games? This Sebastian Hartwig vs Ralf-Johannes Koch 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: Orthodox Variation.
Frequently asked questions
Who won Sebastian Hartwig vs Ralf-Johannes Koch?
Sebastian Hartwig vs Ralf-Johannes Koch (2009) finished 1-0, a win for Sebastian Hartwig.
What opening was played in Sebastian Hartwig vs Ralf-Johannes Koch?
The game opened with the King's Indian Defense: Orthodox Variation (ECO E91).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Sebastian Hartwig vs Ralf-Johannes Koch, or open it on the CipherChess analysis board to review it with the Stockfish engine.