Tournament Play
What is a International Arbiter ("IA") in chess?
- Competition
- Format
- Scores
International Arbiter ("IA") is a tournament term: a tournament official who arbitrates disputes and performs other duties such as keeping the score when players are under time pressure. This affects how games are organized, scored, paired, or decided.
International Arbiter ("IA") FAQ
What is a international arbiter ("ia") in chess?
International Arbiter ("IA") is a tournament term: a tournament official who arbitrates disputes and performs other duties such as keeping the score when players are under time pressure. This affects how games are organized, scored, paired, or decided.
How do you get better at using a international arbiter ("ia")?
Competition terms matter because they affect incentives, pairings, and risk decisions.
Train this pattern on your own games
Reading a definition is not the same as spotting the pattern with a clock running. Chessiro's free game review runs Stockfish 18 over every move you play, names the concept behind each mistake, and turns the positions where it cost you into training puzzles. You can also see the idea in action in the classic games collection, where the greatest players in history demonstrate it.
Free game review
See where international arbiter ("ia") decides your games
Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.
