The following number of Swiss rounds is required for Premier tournaments (such as Regional Championship Qualifiers). It may be used at the Tournament Organizer’s discretion for non-Premier tournaments.

 

Players (Teams)	Swiss Rounds	Playoff
4 (Team/2HG Only)	2 Single-Elimination Rounds (No Swiss)	None (Run Single Elimination)
5-8	3 Single-Elimination Rounds (No Swiss)	None (Run Single Elimination)
9-16	4 (if Limited Format with Booster Draft in Playoffs) 5 (All Other Formats)	Top 8 (If Limited Format with Booster Draft in Playoffs) Top 4 (All Other Formats)
17-32	5	Top 8
33-64	6	Top 8
65-128	7	Top 8
129-226	8	Top 8
227-409	9	Top 8
410+	10	Top 8

Team tournaments consider each team as a single player for this purpose.

In tournaments where awarded byes are used, each player with a 1-round bye should count as 2 players, each player with a 2-round bye should count as 4 players, and each player with a 3-round bye should count as 8 players when using the above chart.