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K + B + N vs K Mate: chess endgame

The hardest basic mate: herd the king to the right corner

Hardest basic mate. Mates only in a corner matching the bishop's colour, so herd the king there.

Mate only in a corner of the bishop's colour.
Knight's looping march herds the king along the edge.
Around thirty moves from a random start.
Watch the fifty-move rule: about thirty-three moves of room.

K + B + N vs K Mate

ENDGAME · LEVEL 3

K + B + N vs K Mate

The hardest basic mate: herd the king to the right corner

Solve Lesson · Learn → Drill

Bishop-and-Knight: Convert

10 engine-verified endings, 3 guided, then solve cold.

Step 1 of 4

K + B + N vs K Mate

The idea

1.Knight to c7, check (Nc7+)

Mate only in a corner of the bishop's colour.

Your move

Knight herds the king toward the bishop's corner.

Clean run

Learn · 0/3

Learn

Recall

3 more clean runs (at any point) to reach Recall.

Move 1 of 30%

0/3

Finishing phase. King boxed at a8, dark bishop ready to seal a dark square.

Clean run

Learn · 0/3

Learn

Recall

3 more clean runs (at any point) to reach Recall.

The idea

1.Knight to c7, check (Nc7+)

Mate only in a corner of the bishop's colour.