Global Challenge 2 cutoffs from TPCi regions (JPN, KOR, CHS, CHT excluded):
1st: 1840, 1st
2nd: 1822, 4th
T4: 1812, 7th
T8: 1802, 12th
T16: 1788, 62nd
T32: 1769, 207th
T64: 1745, 298th
T128: 1722, 464th
T256: 1694, 799th
T512: 1656, 1447th
T1024: 1615, 1780th