Suffolk Chess

Today sees the last of the Christmas puzzles - four puzzles to bring the total up to ten.

Please send your answers to all the puzzles to me, .   The best set of answers will win a book prize!

Puzzle #7

White to play and draw.
Puzzle #8

White to play and mate in 4.
Puzzle #9

White to play and mate in 3.
Puzzle #10

White to play and mate in 3.
Remember, no computers.   Good luck!