Want to play in the UDE Pro Circuit, but aren't qualified? Well, here is your chance! Sanctioned, Golden Age Format constructed event. Single-Elimination. Top players after the Swiss rounds qualify for Friday's UDE Pro Circuit event. Slots to the PC based on attendance: 1 - 50 players = 4 advance to the Pro Circuit; 51 - 100 players = 8 advance, 101 - 150 players = 12 advance; 151+ players = 16 advance