Hanging Piece

Move 1, White brings his Queen's kNight out to c3; Black brings his King's kNight out to f6 ... No problems, so far.

Move 2, White sends his active kNight to b5 ... Now, it's got No Support - this piece is definitely Hanging ...

Black then puts White's Knight under pressure, by attacking with his c-file Pawn, to c6.

In this scenario, White could easily move the Knight out of danger, but it'd be a waste of time, which could be better spent developing his side, with a proper opening strategy.

Move 1, White tracks his Queen's Rook right, to d1; Black attempts to be proactive, by sending his kNight to b4 ...

Unfortunately, there's no support on this square - Black's Knight is now a Hanging Piece, which White subsequently takes advantage of ...

Move 2, White sends his Queen-side kNight to d5, creating a Fork Attack, in the process ...

To avoid losing his Queen and at least get something for his sacrificial boo-boo, Black uses his Hanging kNight to capture (x) White's Knight, on d5.

Move 3, White then uses his e-file Pawn to capture (x) Black's Knight, on d5.

Move 1, Black attacks White's Hanging Pawn, by advances his c-file Pawn, to c6.

Move 2, White then goes on the attack, with his Hanging Piece, by using that d-file Pawn to capture (x) Black's Pawn, on c6 ...

Black subsequently uses his active Bishop to capture (x) White's still-Hanging Pawn, on c6.

Move 3, White advances his c-file Pawn, to c4; Black uses his b-file Pawn to capture (x) White's Pawn, on c4.

Move 4, White retaliates by using his d-file Pawn to capture (x) Black's Pawn, on c4 ... But, in the process, it becomes a Hanging Piece ...

Black sends his Queen to e6, threatening to attack White's Hanging Pawn, at c4 ...

Notice how Black's Queen is also in position, ready to pick off another Hanging Piece - White's Pawn, on a2.