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You just replayed Calvin John Klaasen vs Jan Karsten. 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 Calvin John Klaasen (2190) and Jan Karsten (2385) was played at SA Adult Closed 2026 | Open in 2026 and finished ½-½. The opening was the Benko Gambit Accepted: Fully Accepted Variation (A58).
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 Calvin John Klaasen games or Jan Karsten games? This Calvin John Klaasen vs Jan Karsten 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 Benko Gambit Accepted: Fully Accepted Variation.
Frequently asked questions
Who won Calvin John Klaasen vs Jan Karsten?
Calvin John Klaasen vs Jan Karsten (2026) finished ½-½, and the game was drawn.
What opening was played in Calvin John Klaasen vs Jan Karsten?
The game opened with the Benko Gambit Accepted: Fully Accepted Variation (ECO A58).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Calvin John Klaasen vs Jan Karsten, or open it on the CipherChess analysis board to review it with the Stockfish engine.