Don't just replay it. Break it down.
You just replayed Thor Valtysson vs Simon Donath. 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 Thor Valtysson (1929) and Simon Donath (1761) was played at Reykjavik Open 2025 in 2025 and finished 1-0. The opening was the Queen's Pawn Game: Zukertort Variation (D02).
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 Thor Valtysson games or Simon Donath games? This Thor Valtysson vs Simon Donath 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 Queen's Pawn Game: Zukertort Variation.
Frequently asked questions
Who won Thor Valtysson vs Simon Donath?
Thor Valtysson vs Simon Donath (2025) finished 1-0, a win for Thor Valtysson.
What opening was played in Thor Valtysson vs Simon Donath?
The game opened with the Queen's Pawn Game: Zukertort Variation (ECO D02).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Thor Valtysson vs Simon Donath, or open it on the CipherChess analysis board to review it with the Stockfish engine.