Knight vs Rook Pawn: Choosing the Right Barrier
White to play and draw
PlayThe rook pawn is one square from queening and your knight has to hold on its own for a while. From e4 it can build its barrier on two squares, f2 or g3. They are not interchangeable: pick the one that matches the enemy king, the one your own king can reach in time to defend.
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Choosing the Barrier Square with King Support
White to play and draw · Hold the draw against perfect play
Waking the engine…
The theory
A lone knight cannot stop a rook pawn that has reached the seventh rank. What it can do is build a barrier, a fence of controlled squares that keeps the enemy king out, and hold long enough for its own king to arrive.
Two barriers, one choice. From e4 the knight can barricade on either f2 or g3. Both cover h1 and freeze the pawn, but they fence the king off in different directions. Which one draws depends on where the enemy king stands: choose the barrier your own king can reach and defend. Here that square is g3, defended later from f4.
The king must be close enough. The barrier only buys time, it does not draw by itself. If the defending king is too far away, the black king walks around the fence and shepherds the pawn home before help comes. Count the detour against your king's march every time.
In this drill the opponent will march his king the long way round the barrier. Set the g3 barrier, bring your king to f4, and the half point holds.
Keep going
Lateral Control of the Promotion Square
White to play and draw
The Knight's Worst Square
White to play and win
Knight Holds Two Connected Pawns
White to play and draw
All 21 knight endgames positionsFollow the full curriculum (free)