Endgame
Bishop + Knight vs King
8
7
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5
4
3
2
a1
b
c
d
e
f
g
h
White to move
The hardest basic mate. You can only mate in a corner the BISHOP controls. Use the knight's 'W' path to herd the king along the edge to the right-coloured corner, with your king and bishop in support. Take your time.