Is this possible?
yes it is possible .. This game was one of the most beautifull king hunts ever seen
Edward Lasker vs George Alan Thomas, 1912
here is the game: http://www.chessgames.com/perl/chessgame?gid=1259009
Aaaa, you spoiled my suprise. I know that. Great game anywhay, and there was a mate earlier.
14.f4+ Kxf4 15.g3+ Kf3 16. 0-0#