US (?)
GN game name
RE result
PW player of white
PB player of black
WR white rank
BR black rank
PC server name (?)
DT date
SZ board size
TM (?)
KM komi 贴目
HA handicap
AB handicap moves, end with ;
B black move, end with ; B[tt] means pass
W white move, end with ; W[tt] means pass
C comment