Daily Chess Improvement: Precision Chess Tactic!

This was a game that took place at 2018 PanAm InterCollegiate Chess Championship

White to move! What is the most precise continuation for white?

Comments
No. 1-2
DaveCubby
DaveCubby
  1. Qxh7+!! Kxh7
  2. Rh5+ Kg7
  3. Nf5+ Kg6
  4. Rh6+ Kg5
  5. f4+ Kg4
  6. h3# (or 6. Bd1# or 6. Rh4#). 1-0
Vihce
Vihce
  1. Qxh7+ Kxh7 2. Rh5+ Kg7 3. Nf5+ Kg6 4. Rh6+ Kg5 5. h4+ Kg4 6. Bd1

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