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See it for yourselfAbout this chess game
This chess game between Thordur Arnarson (1865) and Leo Mar Johannsson (1520) was played at U2000 mót TR 2026 in 2026 and finished 1-0. The opening was the Slav Defense (D10).
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 Thordur Arnarson games or Leo Mar Johannsson games? This Thordur Arnarson vs Leo Mar Johannsson 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.
Frequently asked questions
Who won Thordur Arnarson vs Leo Mar Johannsson?
Thordur Arnarson vs Leo Mar Johannsson (2026) finished 1-0, a win for Thordur Arnarson.
What opening was played in Thordur Arnarson vs Leo Mar Johannsson?
The game opened with the Slav Defense (ECO D10).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Thordur Arnarson vs Leo Mar Johannsson, or open it on the CipherChess analysis board to review it with the Stockfish engine.