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Tactics

Overloading

Overloaded piece

A piece given more defensive jobs than it can perform, so removing or distracting it collapses the defence.

An overloaded piece is one asked to guard two (or more) things at once — say a rook that both stops a back-rank mate and defends a bishop. Because it cannot be in two places, you take one of its duties and it cannot cope.

Spotting overload is a matter of asking, for each enemy piece, 'what is this defending?' When one piece answers with two things, there is usually a tactic.

Why it matters

Overload is one of the most common tactical themes in real games — quieter than a fork, but it decides countless middlegames.

The mistake everyone makes

Defending several weaknesses with the same piece and assuming they're all safe; they're only safe until the opponent strikes one.

Related terms

Deflection
Forcing an enemy piece away from an important duty so something it was guarding falls.
Pin
A piece that cannot move without exposing a more valuable piece behind it.
Tactic
A short, forcing sequence of moves that wins material or delivers mate.
Initiative
The ability to make threats the opponent must answer, keeping them reacting rather than acting.

See Overloading in your own games

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