Why is castling here brilliant move?

How do I win from this position as black?

What about it?

Is it possible to win from this possition as black?

It’s may look like white is easily winning in this position, but can you find the game changing move for black?

Studying London system has finally paid off! 95.5 accuracy game

Got a great mate because opponent didn't play en passant

Mated with 1 second left on the clock. Oh the pain!

can you find the brilliant move i found in this game? white to play

Mating with da rook (M3)

Call an ambulance.... But not for me

What about it?

Didn't think anyone at 650 actually falls for this

Mate in one(white to move)

What about it?

Bullet matches(1 min), had 4 seconds to play

I completely forgot about my bishop and rooks, the mate was a surprise even for me