Between rounds.
Most congresses use paper at the board. Type the game in over lunch while it is fresh, with the keypad laid out like the sheet, and your notes beside the moves.
For you
Every round of every congress in one place, with your ratings alongside.
Congress weekends, five rounds, two nights in a hotel.
Five rounds, five games, one folder. Typed in between rounds from the paper sheet.
Most congresses use paper at the board. Type the game in over lunch while it is fresh, with the keypad laid out like the sheet, and your notes beside the moves.
One folder per event: round, opponent, colour and result on each game. The bulletin PGN can come in too, players matched to your book.
ECF and FIDE lists come out monthly. Add each as a dated entry and see the congress that moved it.
At a FIDE-rated event a phone at the board needs the arbiter's approval, and most congresses keep phones switched off in a bag. Our guide sets out what the Laws say, with dates.