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See it for yourselfAbout this chess game
This chess game between John O`neill and Theo Scanlan Gleeson was played at Sligo Chess and Culture Festival - Weekender Challenger in 2026 and finished ½-½. The opening was the Dutch Defense (A80).
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 John O`neill games or Theo Scanlan Gleeson games? This John O`neill vs Theo Scanlan Gleeson 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 Dutch Defense.
Frequently asked questions
Who won John O`neill vs Theo Scanlan Gleeson?
John O`neill vs Theo Scanlan Gleeson (2026) finished ½-½, and the game was drawn.
What opening was played in John O`neill vs Theo Scanlan Gleeson?
The game opened with the Dutch Defense (ECO A80).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of John O`neill vs Theo Scanlan Gleeson, or open it on the CipherChess analysis board to review it with the Stockfish engine.