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The Philidor position: the third-rank defence

Philidor: the third-rank defence · You are Black · hold the draw for 25 moves

♔♙♜♖♚

Black to move. FEN: 4k3/R7/1r6/4PK2/8/8/8/8 b - - 0 1

The idea

You are Black, a pawn down, and this is a draw. Keep your rook on the sixth rank so the white king cannot step up. The moment the pawn steps onto that rank, swing your rook to the back and check from behind, forever.

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Every position's result, and every move the text recommends, was checked against the Lichess 7-piece tablebase. Part of Chess Path, a free chess course.