What is the point of Kh1 move?

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corsara1

Hello - much too often I would see Kh1 move in a game.  I almost never understand the point of it.  Please explain.  Here's a sample game where that was played (the game was Vogt-Andersson in 1975):

Toldsted

Probably just prophylaxis (https://en.wikipedia.org/wiki/Prophylaxis_(chess)) and waiting (will Black play 0-0 or ..?). Avoiding any later checks (on the a7-g1 diagonal) or pins (Nd4) and making room on g1 that may be used by a Bishop or Rook.

corsara1
Toldsted wrote:

Probably just prophylaxis (https://en.wikipedia.org/wiki/Prophylaxis_(chess)) and waiting (will Black play 0-0 or ..?). Avoiding any later checks (on the a7-g1 diagonal) or pins (Nd4) and making room on g1 that may be used by a Bishop or Rook.

Thank you so much for your helpful reply!  It's starting to make much more sense to me now!