WHITE-
King: Squall, DUH
Queen: I wanna say Quistis but it would make sense to say Rinoa even though I think she should die, she's no queen
Left Bishop: Quistis
Right Bishop: Angelo wait I hate dogs but Angelo is a good puppy
Left Knight: Irvine
Right Knight: Zell
Left Rook: Selphie
Right Rook: Laguna
Pawns: Moombas

BLACK-
King: Seifer
Queen: Ultimecia
Left Bishop: Griever
Right Bishop: Adel
Left Knight: Fujin
Right Knight: Raijin
Left Rook: Biggs?
Right Rook: Wedge?
Pawns: hmm... Forbidden (you know those skeleton monsters)