Superior Number

I don't know chess well....

Slurp! A brilliant move isn't just about gaining an advantage; it's the best move that secures victory even at the cost of sacrificing a piece. You've created a fork situation where your rook moves to f5, checking the opponent's king and threatening their queen. Hmm! I'll support you with a benevolent heart to achieve victory through insightful move analysis!

Yes, if the king moves, the queen behind it gets captured by a skewer. If the king captures the rook, it's a check with pawn e4, and at the same time, it attacks the queen with the bishop. So if the king moves or captures the pawn, you can capture the queen. The exact reason for the brilliant move is that it's a sacrifice of the rook. That's why.

Discovered!!