Carlsen's 4.c4 in the Caro-Kann Advance Variation

At the FIDE World Cup 2021 Magnus Carlsen surprised his opponent Vladimir Fedoseev in the Caro-Kann Advance Variation (1.e4 c6 2.d4 d5 3.e5 Bf5) with the move 4.c4. Jan Werle analyses this brilliant game in ChessBase Magazine Extra #203 in a video and pays special attention to the opening. Is Carlsen's idea a good attacking weapon against the Caro-Kann? Take a look at an excerpt from Werle's video analysis!

NIC Yearbook 139 - PAPERBACK EDITION

Videos - Internet Chess Club

Caro Kann Defense: Complete Opening Guide - TheChessWorld

Attack with Caro-Kann Exchange Variation

Mastering the Caro-Kann Defense: A Comprehensive Guide - Blog - Rules-Chess-Strategies

Series 31, Caro-Kann: Advance Variation

For Caro-Kann Exchange Variation, is Bg4 pointless after white takes exd5 and cxd5? Or is it better to move Bf5 since its less committal? : r/chess

Series 25: Caro-Kann, Advance Variation

How do I play against the caro kann??? : r/chess

Carlsen-Karjakin Preview 1: Magnus as White