Puzzle for the Week of 7/15/18-7/21/18

Puzzle #1

This puzzle was created in 1927 by Max Euwe. Euwe was the world champion for two years ('35-'37) and was a math professor from England. White to move, what's best? Remember: white is totally winning no matter what. The goal is to find the fastest mate (in this case), not just any win. How fast can you mate and what is the sequence?

White to Move:

What is Best?

Hint: Can you find a mate in two? Look for a queen move!

Answer:

1.Qd6!! cxd6 (c6 Qb8#) (R anywhere Qxd7#) Rc1#