White to play. Puzzle from today's match Daniel Narodistky vs Magnus Carlsen, Bullet Chess Championship

https://sopuli.xyz/post/1486294

White to play. Puzzle from today's match Daniel Narodistky vs Magnus Carlsen, Bullet Chess Championship - Sopuli

I spent so much time trying to figure out the solution, only to check the game to discover that white’s actual play was to tank for 30 seconds and then resign.
I straight gave up after staring for 2 mins