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See it for yourselfAbout this chess game
This chess game between Ruben Gideon Koellner (2515) and Niels Willems (2379) was played at Grenke Chess Festival 2026 | Grenke Open A in 2026 and finished ½-½. The opening was the Indian Defense (A45).
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 Ruben Gideon Koellner games or Niels Willems games? This Ruben Gideon Koellner vs Niels Willems 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 Indian Defense.
Frequently asked questions
Who won Ruben Gideon Koellner vs Niels Willems?
Ruben Gideon Koellner vs Niels Willems (2026) finished ½-½, and the game was drawn.
What opening was played in Ruben Gideon Koellner vs Niels Willems?
The game opened with the Indian Defense (ECO A45).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Ruben Gideon Koellner vs Niels Willems, or open it on the CipherChess analysis board to review it with the Stockfish engine.