The Rook Pawn Corner Fortress
Black to play and draw
PlayRook pawns break the rules: even with his king ahead of the pawn, the attacker cannot win if your king reaches the corner. One square to find, one draw to keep.
No signup needed. The opponent never gives up, and every mistake gets explained.
The Rook Pawn Corner Fortress
Hold the draw against perfect play
Setting up the board…
The theory
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 the tablebase opponent will demonstrate exactly why the asterisk exists.