International Matchpoint (IMP) scoring: the total point difference on each board is converted to IMPs on a fixed scale (Law 78B) — standard for team events; Total point scoring: the raw point totals are aggregated (Law 78C); The Conditions of Contest announce which method applies before play (Law...
Why people argue about this
People often assume that they can choose which scoring method to use at their own discretion during a match, thinking it's as simple as picking one option or another before play begins. However, the official verdict clarifies that the Conditions of Contest must announce which method applies beforehand, ensuring consistency and fairness across all boards in an event.
