Group stage of head-to-head games (2 points a win, 1 a tie), then a one-game final for the top 5.
Tie on 157 broken by a one-ball roll-off: VICKY 7 pins, JUMAN 8 pins.
Scores can be submitted from a scoreboard photo or typed in by hand. Either way, every game is checked against ten-pin scoring rules and stays provisional until an organiser approves it. Corrections after approval are recorded in the audit trail.
