Brilliant checkmate in 7 by Gm Fedoseev 🔥🔥

GM Feedoseev 

A popular chess player on chess.com with username !!

@Bigfish1995

He is a Brilliant Blitz & Bullet player and often make brilliancy over the chess board !!

He destroys Vidit Gujrathi in a 3min blitz game !!!

Can you guess Fedoseev's idea ?

Black to move !

Good evening