it's because it calculates (for example) 14 moves deep before white moves, and 14 moves deep after white moves. There's an extra move after you played Rxh7. That must be the game changer.
"Alternative"

I agree with SNUDOO lol
but yeah analysis should make it more clear on why it is an alternative
OG
comment before b1zmark

I know, and somehow it gets taken within minutes after you changed your username
that's actually not my alt believe it or not
Wow. Click into my homepage. Review the blitz game with someone called @joselitoalba...I forgot.
Click into this move.15...Bb5. Obviously this is a blunder, and stockfish points it out.
The funniest thing is, when I tried a sacrifice 16. Rxh7, it pops up this: