Amator Cup Rd5(More)

Here is another game from Rd5.  The winner was the dangerous veteran Zilahi,Gabor who I will face in Rd7. Zilahi is tied for 2nd with me now with 4/6.

Zilahi,G(r)

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Here is an example of his aggressive positional style.

Zilahi,G (1999) - Nagy,L (1958)
Grunfeld g3[D78]
Amator Cup (5), 20.11.2012
Black tried for active kingside play but white forced the queens off leaving black with nothing to show for the loosening kingside advances.

Critical Position
Black is suffering in the ending. What is the most precise path for white?

White to Play