Coinbase transfers vs effective gas price help

Hello guys, I’m little bit confused how coinbase transfers will impact on effective gas price or max priority fee… could you please help me?

Let’s take this example…
My competitor adds 100 gwei max priority, resulting in $20.00 transaction fee.

My question is…

  1. Will I win if I send $20.50 coinbase transfer?
  2. If no… Will this $20.50 coinbase transfer be divided by gas consumed, and will that add to my max priority fee?

Please note my question is for public mempool transactions, and not bundles.

Thank you very much for your help,