I'm a beginner, 800 rating in chess.com, when I'm analysing, it shows up this move! Why would sacrificing knight would be best here? Just coz of missing out on castling? Please explain

My current Lichess Blitz rating is 1950. How can I gain 300 points? Where is the 1950 player mistake? - Quora

I always struggle knowing what to do after my opening, how do I proceed here for example? : r/chess

Blog – Chess House

How accurate / useful do you find this new game rating function on chess. com? PGN in comments. : r/chess

I'm a beginner, 800 rating in chess.com, when I'm analysing, it shows up this move! Why would sacrificing knight would be best here? Just coz of missing out on castling? Please explain

What is a chess position that looks absolutely lost but actually isn't? - Quora

beating all the advanced bots on chess.com

Chess: Have you ever lost a winning position? How? - Quora

Why was this counted blunder? - Chess Forums