This game was played in round 3 of 2024 Daily Chess Championship:
chess.com user: lucaflute
link to game: https://www.chess.com/analysis/game/daily/664921771?tab=review&move=71
Best move: 36...Ba3
This bishop sacrifice opens up the path to promotion for the b pawn. If White declines the sacrifice -which actually happened in the game-, Black has time and space control to gain material.