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You just replayed Harmen Jonkman vs Jan Keijsper. 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 Harmen Jonkman (2270) and Jan Keijsper (1861) was played at ACCOM Open and finished 0-1. The opening was the King's Gambit Accepted: Modern Defense (C36).
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 Harmen Jonkman games or Jan Keijsper games? This Harmen Jonkman vs Jan Keijsper 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 Gambit Accepted: Modern Defense.
Frequently asked questions
Who won Harmen Jonkman vs Jan Keijsper?
Harmen Jonkman vs Jan Keijsper finished 0-1, a win for Jan Keijsper.
What opening was played in Harmen Jonkman vs Jan Keijsper?
The game opened with the King's Gambit Accepted: Modern Defense (ECO C36).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Harmen Jonkman vs Jan Keijsper, or open it on the CipherChess analysis board to review it with the Stockfish engine.