Philidor's Defense on the Fifth
Black to play and draw
PlayYour king blockades in front of the pawn and your rook waits far behind. This is Philidor's defense, the most important drawing method in all of rook endings.
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Philidor's Defense on the Fifth
Hold the draw against perfect play
Waking the engine…
The theory
If you learn one defensive technique in rook endings, make it Philidor. It saves half a point in the most common material on the board.
Hold the rank. The defending rook sits on the rank in front of the pawn (the third rank from the defender's side), stopping the enemy king from advancing to the sixth. The king stays in front of the pawn. Nothing progresses.
Then check from behind. The attacker's only try is to push the pawn, but that abandons the shelter of its own king. Now the rook drops to the back and checks from the rear; with no cover, the enemy king can never escape the checks.
In this drill the attacker will probe for a way through. Keep the king in front, hold the rank, and switch to rear checks the moment the pawn moves.