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You just replayed Hans Haas vs Frank Koster. 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 Hans Haas (2094) and Frank Koster was played at Landes-Einzelmeister in 1989 and finished 1-0. The opening was the English Opening: King's English Variation, Reversed Sicilian (A21).
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 Hans Haas games or Frank Koster games? This Hans Haas vs Frank Koster 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: King's English Variation, Reversed Sicilian.
Frequently asked questions
Who won Hans Haas vs Frank Koster?
Hans Haas vs Frank Koster (1989) finished 1-0, a win for Hans Haas.
What opening was played in Hans Haas vs Frank Koster?
The game opened with the English Opening: King's English Variation, Reversed Sicilian (ECO A21).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Hans Haas vs Frank Koster, or open it on the CipherChess analysis board to review it with the Stockfish engine.