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Discovered attack: knight to f6 (e4·6)

li-0Fv5R
Puzzle rating: 2110Theme: Discovered attack: one piece steps aside, unleashing another's attack.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Discovered attack: one piece steps aside, unleashing another's attack.

White to move — find the best continuation

Solution & explanation

Main line

19. Nf6+ gxf6 20. Bf4+ Kh8 21. Bxc7

Why it works

  • Great move! knight to f6 keeps the pressure (+5.5).
  • Well found: bishop to f4 (+5.5).
  • Strong! bishop to c7 is the sharp choice (+5.4).
  • You win a piece — the queen.
  • If instead gxf6, then Bf4+ and you stay on top.

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