Solution
1. Nh6+ gxh6 2. Rg3 pins the black queen to the king.
The idea behind 1. Nh6+ (fork) is to clear the g-file for the coming pin, Rg3.
1. Nh6+ gxh6 2. Rg3 pins the black queen to the king.
The idea behind 1. Nh6+ (fork) is to clear the g-file for the coming pin, Rg3.