Hey there, I've just acquired the well known Chess: 5334 Problems, Combinations and Games by Lazslo Polgar, and I'm puzzled (hah!) by puzzle # 323.

The solutions index states 1.Nd5 as the correct solution, but I think 1.Qd6 also works, since if 1... b6 2.Qd5# and 1...Ka5 2.Qc5#. I can't seem to find any errata anywhere on the web, so help me out chess.com: Am I missing anything?

(White to move, Mate in 2)

2... b5!!! (yes 3 exclamation marks) 3. Qa7#

Argh, can't believe I didn't see that! :) Thanks!!

Actually it was not composed by Polgar, but by Tibor Schönberger, Magyar Sakkvilag 1935. And yes, there is only one correct solution...!

Yes, I know, it says so at the solution index.  Did you recognize the puzzle or do you happen to own the book? :)
For enthusiasts, 2 more puzzles: