Guessing My Opponent's Rating in Classical Chess (Zen Mode)

In this video, I play a game in lichess.org's Weekly Classical Arena. I played the game while in "Zen Mode" which is a feature on lichess that hides the opponent's username and rating. The game featured the unusual 1.d3!? and then transposed into a Closed Sicilian. I intended to play the whole tournament, but as you'll see in this video, it wasn't meant to be.

Analyze the game here: https://lichess.org/wmOuLpCw#21

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