What to do in this position? Did he just blundered his piece on c6

Quick question about a blunder - Chess Forums

How to know if your opponent is going to checkmate you in chess - Quora

I won this game after only 2 moves because the opponent blundered badly and resigned. : r/chessbeginners

How to Read Chess Moves In Algebraic Notation - The New York Times

Grandmaster Examples of Blunder

Building my dream chess computer Part II: The software Picochess V3

Tata Steel Masters: Abdusattorov Leads Field By Full Point

Chess: Magnus Carlsen makes historic blunder after seven straight victories, Magnus Carlsen

The Ultimate Queen's Pawn Opening Guide - Chessable Blog

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HANS GOES 97 %

Which pawn should i take it with (or any improvements i can make to this opening)? - Chess Forums

Storms on and off the board in Round 6 of FIDE Grand Swiss