Start on this page for your refreshing as you're one page ahead of the "Sold Out" sign...
https://tickets.brightonandhovealbion.com/en-GB/events/bournemouth%20v%20albion/2024-4-28_14.00/vitality%20stadium%20(afc%20bournemouth)?hallmap
And to keep the pattern going...
I'll forget about my window opening at 9am tomorrow morning.
I'll then remember about 9:10 when all tickets have been sold.
With some frantic refreshing I'll pick up a ticket around 9:30, released from someone else's basket.