Flohr:
https://www.chess.com/games/view/28800
https://www.chess.com/games/view/28802
https://www.chess.com/games/view/28803
These games show odd lines that nobody plays anymore. Look at Kramnik's games. Also pick up Avrukh's book (he has a new and updated book GM1A on the Catalan).
Hi Chess Lovers please give me some creative Catalan chess players names.

Thank you in advance for your interest