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You just replayed Thomas Hartung vs Runar Isleifsson. 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 Thomas Hartung (2118) and Runar Isleifsson (1879) was played at Reykjavik Open 2025 in 2025 and finished 1-0. The opening was the Petrov's Defense: Modern Attack (C43).
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 Thomas Hartung games or Runar Isleifsson games? This Thomas Hartung vs Runar Isleifsson 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 Petrov's Defense: Modern Attack.
Frequently asked questions
Who won Thomas Hartung vs Runar Isleifsson?
Thomas Hartung vs Runar Isleifsson (2025) finished 1-0, a win for Thomas Hartung.
What opening was played in Thomas Hartung vs Runar Isleifsson?
The game opened with the Petrov's Defense: Modern Attack (ECO C43).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Thomas Hartung vs Runar Isleifsson, or open it on the CipherChess analysis board to review it with the Stockfish engine.