Bill Harvey's puzzle collection

White mates in 2 - where does he move the queen ?    

     Solution

This is one of the 30 000 puzzles on Bill Harvey's website 

The puzzles in this collection are culled from hundreds of thousands of historic and modern games.
There are 30,000 puzzles and 5,500 animated tactical demonstrations. These are critical positions with only one winning move, i.e. a move that results in a clear two pawn advantage or better.
The colour disk on the diagram indicates who moves first. Solutions are found under the puzzles when you drag your cursor between the two brackets.