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

Magnus Carlsen defeats Ian Nepomniachtchi in Game 9 of World Chess Championship – as it happened, World Chess Championship 2021

How to complicate a chess position - Quora

Promotion (chess) - Wikipedia

Can anyone help me understand why this is a blunder? Taking the rook with the revealed attack helped me win the game. : r/chess

What my opponent blundered here? : r/chessbeginners

Why is this move a blunder? : r/chessbeginners

Can anyone help me understand why this is a blunder? Taking the rook with the revealed attack helped me win the game. : r/chess

Magnus Carlsen on verge of retaining title after Nepomniachtchi blunder, World Chess Championship 2021

Rook vs. Two Minor Pieces - Part two

Poole versus HAL 9000 - Wikipedia

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

BLUNDER ELIMINATION!? - Chessville

Why is this a blunder? - Chess Forums