Based on further information, the schedule is as follows:
January 3rd - session 0
January 10th - session 1 (no Whitesword or Zunder)
January 19th - special Saturday event including a Claude session
January 20th - Tournament matches with Master Po, Whitesword, Hero, and others
January 31st - session 2 (Valdis last session before tax season)
February 7th - session 3
February 21st - session 4
February 28th - session 5
March 7th - session 6
March 14th - session 7
March 28th - session 8
April 4th - session 9
April 11th - session 10
April 13th - special Saturday event including a Claude session and tournament matches
April 25th - session 11 (no Hero)
Based on new information, adjusted schedule.