Bishop and Knight Checkmate: Driving the King to the Corner
White to play and win
PlayYour target is a corner of the bishop's color. Here that corner is a8, a light square, the same color as your bishop. Your bishop and knight already hold his king in a cage: he only has a7, a8, b7, b8, c8 and d8. The method: keep him caged, walk your king in, count his squares before every quiet move, and finish with two checks in a row, one from each piece.
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Bishop and Knight Mate: The Final Corner
White to play and win · Win against perfect defense
Waking the engine…
The theory
Watch the method: press play to see the winning idea run, or step through it move by move.
Bishop and knight versus king is the checkmate every serious player is expected to know and the one most often botched under pressure. It is a forced win, and the standard method finishes it in a corner the bishop can attack.
The key rule. The method mates in a corner of the bishop's color, the place the king can always be driven to against the best defense. A few special positions allow a forced mate elsewhere on the edge, but you cannot count on them. A light bishop drives the king to a light corner, a dark bishop to a dark corner. Aim there from the first move.
The method. Your king and bishop form a barrier, the knight covers the squares the bishop cannot, and the three attackers herd the defender step by step along the edge into the fatal corner.
In this drill you start close to the finish, so precision matters most: you play against a defence that never cracks, and it punishes any wasted tempo.