ChessFlow accepts PGN from files, pasted text and compatible links such as some Lichess studies or Chess.com games. Treat import as a starting point, not as the finished repertoire.
Before importing, ask what you want to extract: one exact line, a model game, a full study or a variation you missed. The clearer the goal, the easier the repertoire is to use afterwards.
Prepare the source
If you import a long PGN, check that it is not mixing too many unrelated games. A Lichess study can contain several chapters; an annotated game may include many side variations. That information can be useful, but it can also make the first training session too dense.
- Keep comments that explain a plan or tactical idea.
- Avoid mixing several openings in one repertoire.
- Rename the repertoire with a clear title: colour, opening and goal.
An import is successful when you can launch training right after it and understand why each branch is there.
Clean after import
Once the PGN is in ChessFlow, scan the first moves and remove branches that are not useful. If a variation does not fit your style or leads to positions you do not plan to play, leave it out. The repertoire should guide practice, not archive everything ever played.
When importing your own games, keep the moments where you hesitated or lost the thread. They are perfect candidates for review because they connect opening work to your real problems.
Test immediately
Finish with a short training session. If you repeatedly get stuck at the same point, that is useful feedback: add a note, shorten the branch or analyse the position before continuing.