Don't just replay it. Break it down.
You just replayed Mar Petursson vs Jonah B Willow. 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 Mar Petursson (2403) and Jonah B Willow (2459) was played at TCh-ISL Kvika 2024-25 in 2025 and finished ½-½. The opening was the King's Indian Defense: Normal Variation, Standard Development (E73).
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 Mar Petursson games or Jonah B Willow games? This Mar Petursson vs Jonah B Willow 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: Normal Variation, Standard Development.
Frequently asked questions
Who won Mar Petursson vs Jonah B Willow?
Mar Petursson vs Jonah B Willow (2025) finished ½-½, and the game was drawn.
What opening was played in Mar Petursson vs Jonah B Willow?
The game opened with the King's Indian Defense: Normal Variation, Standard Development (ECO E73).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Mar Petursson vs Jonah B Willow, or open it on the CipherChess analysis board to review it with the Stockfish engine.