Do you notice that team matches more often organized by Chinese players? Because we have group chat on QQ(an instant message software like MSN) to discuss or organize teams, pairs even leagues. We hold nearly 100 teams at the same day. The feature that is QQ group support larger chat group for free and open with client, very convenient.(Skype supports max 50 members and no gruop number, while QQ have 500 for free, 1000/2000 members per group if you pay) Our group have 1200 members now, some groups even have more. We hold regular TM league Mar-Jun Sep-Dec every Monday 12:00-14:30 noon London time. which may provide some ideas. QQ International multi language version is not so good as Chinese version, but no ads. http://www.imqq.com/?lang=1033