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A **Fork** occurs when any piece directly attacks two or more targets. 

 The defender has only one move to protect both targets. This is always difficult and usually impossible. 

 Of course, a **Fork** can also target an empty square perhaps threatening mate.

 - Knight Fork

  The most effective piece for forking is the Knight. Knight **Forks** are easily overlooked by beginners or if a player is in time trouble, largely becasue of the difficulty in visualising Knight moves. See KnightVision for tips on improving your skill in this area.

  _Tip_ for a Knight Fork, both targets must be on the same coloured square which will be the opposite of the Knight's square 

 - Defending against a **Fork**

  One common method of getting out of a fork is to counter-attack with one of the targets forcing a wasted move and giving time to rescue the second target