ChessRanger
Endgame

Breakthrough

A pawn sacrifice that forces a passed pawn through a seemingly solid pawn wall.

The classic pattern: three pawns against three (or similar), where pushing the middle pawn as a sacrifice clears the way for a neighbour to promote. The famous 'three connected pawns beat a wall' breakthrough looks like magic but is pure calculation.

Recognising a breakthrough — for or against you — is essential in pawn endings, where one tempo and one passed pawn decide the game.

Why it matters

A breakthrough turns a 'blocked, drawish' pawn ending into a win; missing one throws away the point.

The mistake everyone makes

Assuming a pawn wall is safe and trading into the ending, only to be hit by a breakthrough sacrifice that queens by force.

Related terms

Passed pawn
A pawn with no enemy pawns able to block or capture it on its way to promotion.
Connected passed pawns
Two adjacent passed pawns that defend each other as they advance.
Outside passed pawn
A passed pawn far from the main body of pawns — a decisive trump in king-and-pawn endings.

See Breakthrough in your own games

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