analysis engine suggests big blunder as the best move

Having hard time to understand, any ideas the reasoning behind it?What should i change in analysis settings to avoid such confusion - calling a big blunder (leading to mate) the best move? Thank you in advance Initial position in question next moveevaluation after 'the best move suggested Nxd7' -pretty

I don't understand why the suggested move is best and my move was

What is the difference between a brilliant move and the best move

The Rise and Fall of Getting Things Done

How does the analysis engine determine some moves are blunders vs

The Animals Are Talking. What Does It Mean? - The New York Times

Eliminate Non-Value Added Activities in Your Organization

SpaceX is now building a Raptor engine a day, NASA says : r/space

The Best Netflix Original Movies, Ranked (2015-2020)

Engine says mate is a blunder? - Chess Forums