The power of logical thinking in calculation

NM linlaoda
Sep 14, 2016, 1:28 PM |

When calculating, sometimes the right threats don't just come to us.

At this moment, it is useful to use some logical reasoning. Consider the following problem. Spend ~10 minutes








Were you able to solve the problem? If not, here is a hint:
White's main undefended piece is this queen on h5. We seem to have potential for a discovered attack by moving the g6 knight away. What kind of position would make this knight move immediately decisive?

*****Second Hint*******
What if moving the knight would be a *check*?