Chess tactic
Discovered Attack Puzzle (1018)
After the setup move Nb4, it is White to move. Find the forcing continuation before checking the solution.
What to look for
Move one piece to uncover an attack from another piece behind it.
Solution
23. Nf6+ 23... gxf6 24. Qxh7#The full forcing line from the source position is:
22... Nb4 23. Nf6+ 23... gxf6 24. Qxh7#
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