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You just replayed Hans-Georg Koosel vs Aaron Rajandu. 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 Hans-Georg Koosel (1915) and Aaron Rajandu (1975) was played at Estonian Youth Chess Championship 2026 | U17 in 2026 and finished 1-0. The opening was the Queen's Pawn Game: Colle System (D04).
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 Hans-Georg Koosel games or Aaron Rajandu games? This Hans-Georg Koosel vs Aaron Rajandu 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: Colle System.
Frequently asked questions
Who won Hans-Georg Koosel vs Aaron Rajandu?
Hans-Georg Koosel vs Aaron Rajandu (2026) finished 1-0, a win for Hans-Georg Koosel.
What opening was played in Hans-Georg Koosel vs Aaron Rajandu?
The game opened with the Queen's Pawn Game: Colle System (ECO D04).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Hans-Georg Koosel vs Aaron Rajandu, or open it on the CipherChess analysis board to review it with the Stockfish engine.