Driving the King to the Dangerous Corner
White to play and win
PlayRook and pawn against a lone bishop is a win, but the technique turns on one idea: the color of the corner. Force the enemy king into the corner that matches its own bishop and the defense collapses.
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Driving the King to the Dangerous Corner
Win against perfect defense
Waking the engine…
The theory
Rook against bishop is normally a draw, but the defense depends entirely on which corner the king reaches. With an extra pawn, the stronger side can force the losing corner.
Two corners, two fates. The safe corner is the opposite color to the bishop, where the bishop shields the king's escape squares. The dangerous corner is the same color as the bishop, where those flight squares go undefended.
Herd, then squeeze. Use rook and king to drive the defender toward the dangerous corner. There the bishop must move, and every move worsens the position until material falls or mate arrives.
In this drill the defender heads for safety at every chance. Cut off the retreat and steer the king into its own bishop's corner.