Mark O`hallahan

Research Mark O`hallahan’s games and opening repertoire

Mark O`hallahan is rated 1774 in standard by FIDE. Mark O`hallahan plays for Ireland.

Mark O`hallahan has FIDE ID 2542544.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.