First Person: Úna O'Boyle

**Chess is often determined by the first four moves. I love the Sicilian opening - the king, pawn opening for white which can turn into different things.**

I prefer to open with white, you definitely have an advantage.

**I'm no genius, but having a mathematical brain helps with chess. I've competed at the Chess Olympiad twice.**

Competition chess on the clock generally lasts four hours, but I played ...