ACROPOLIS XXII tournament
(range >1650, 228 players, 12 players per group, advance per group: 3 players, concurrent games per opponent: 1, 3 days per move, vacations).
Normally:
A`Round: 228 players (=19 groups X 12 players)---[advance per group:3 players]=>
B`Round: 57 players (= 2 groups X 12 players)---[advance per group:3 players]=>
(+ 3 groups X 11 players)---[advance per group:3 players]=>
C`Round: 15 players (= 1 group X 8 players)---[advance per group:3 players]=>
(+ 1 group X 7 players)---[advance per group:3 players]=>
D`Round: 6 players (= 1 group X 6 players).
but, if more than 3 players per group advance to the next round, due to the same score and tie breaks, then it will be different.


