DA ROOK SACRIFICE: How I Destroyed My Opponent with Rxb7!!

I'm playing a match in chess.com and I did a brilliant like @GothamChess.

In that position, my opponent thought their position is safe and he must play d5 because the machine says it. After d5, I will have an extra pawn and the match will be longer. But he played the worst move he can do, Ka8?!.
I did a deep analyze, calculate the lines and I saw the oppurtunity launching a rocket to the bishop with Rxb7!!. I shouted DA ROOOOOOK!!:). After Rxb7!!, my opponent must play d5 again, then I will take c7 and I have 2 extra pawns and a bishop. But he didn't. He played Kxb7?? and he thought "I just have an extra rook so I will win this game". BUT NOT. He losed after Rfb1+!. He played Ka8 again then I played Qa6, closing all the ways.
He thought "I can obstruct this checkmate with Rb8". BUT NOT, again. He just played Rb8??. Then I played Qc6+!. I thought he feel angry and sad:). He blocked the check with Rb7 but after Qxb7+#, he losed.
I learned that we must do our defense well and maintain a balance between attack and defense.
Check out the game link below (I usually play lichess so my rating is over 1000 in chess.com :) ) and don't forget to write a message to forum. Good days!
Here is the match's link: https://www.chess.com/game/live/147955909428