Look for the event in the current game
Open the current season and event panels and compare the exact name with the publisher’s notes. Some uses of “Clash Royale puzzle” refer to outside puzzle sites, which have their own rules and resets.
Solve an unfamiliar board by testing one constraint
Identify the stated goal and any move limit before trying combinations. If you are using an external puzzle, check whether its solution depends on a card version from a prior update.