It’s Your Move: daily chess puzzle #321

White to play and win

Miles v Dake, Lone Pine 1973

Solution

Nice, forcing line: 1 Bg7+! Bg7[] 2 f6!!

2..Bf6 3 Rh4! Bh4[] 4 Rf7 and mate on h7. In the game, Black bailed out with 2…Qf6 3 Rf6 Bf6 but resigned after 4 Qh6.