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You just replayed Alan de Geus vs Jan Viberg. 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 Alan de Geus (2020) and Jan Viberg (1941) was played at SWE-NED in 2021 and finished ½-½. The opening was the Slav Defense: Modern Line (D11).
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 Alan de Geus games or Jan Viberg games? This Alan de Geus vs Jan Viberg 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 Slav Defense: Modern Line.
Frequently asked questions
Who won Alan de Geus vs Jan Viberg?
Alan de Geus vs Jan Viberg (2021) finished ½-½, and the game was drawn.
What opening was played in Alan de Geus vs Jan Viberg?
The game opened with the Slav Defense: Modern Line (ECO D11).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Alan de Geus vs Jan Viberg, or open it on the CipherChess analysis board to review it with the Stockfish engine.