Rook Pawn Endgames: The Corner Fortress Draw
Black to play and draw
PlayWhite's a-pawn is a rook pawn, the big exception in pawn endings. The rule: put your king in the corner, in front of the pawn. From there your king cannot be driven out, and once the pawn reaches a7, White can only keep the pawn by stalemating you.
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The Rook Pawn Corner Fortress
Black to play and draw · Hold the draw against perfect play
Waking the engine…
The theory
Watch the method: press play to see the winning idea run, or step through it move by move.
Only one move holds the draw: Kb8, toward the a8 corner. Head for the centre instead and you are too slow. After Kd7 a7 the pawn queens.
Every rule of king and pawn endgames has an asterisk that reads 'except rook pawns'. This is the most valuable exception in practical chess.
The fortress. Against an a- or h-pawn, the defending king only needs to reach the promotion corner (or trap the attacking king in front of its own pawn). In the corner there is no outflanking, no opposition duel, no zugzwang: the attacker's king cannot get around, and pushing the pawn to the seventh with your king on the eighth is stalemate.
The count that matters. The whole defense reduces to one question: can my king reach the corner (or the c8/f8 blockade square) before the attacker's king seals it off? If yes, the game is drawn no matter how bad everything else looks.
Why drill it? Because attackers keep trying to win these, often for 30+ moves. Every shuffle must stay inside the fortress squares; step out once and an opponent that never gives up a half point will demonstrate exactly why the asterisk exists.
Keep going
Take the Opposition to Hold the Draw
Black to play and draw
King on the Sixth: The Winning Formation
White to play and win
The Rule of the Square: Outrunning the King
White to play and win
All 68 king & pawn positionsFollow the full curriculum (free)