Solution
1… Qb6 threatens Qxd4 and white cannot move or defend the knight adequately.
1… Qb6 “pins” the white knight since moving the knight would give black a discovered attack with the rook.
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1… Qb6 threatens Qxd4 and white cannot move or defend the knight adequately.
1… Qb6 “pins” the white knight since moving the knight would give black a discovered attack with the rook.