Resident Evil 2 Guide: All Puzzle Solutions - Hardcore Gamer
When I beat Resident Evil 2 Remake, my dumb self had to look up a solution to one puzzle during the whole game, did I really beat the game? - Quora
Resident Evil 2 - Chess Plug Puzzle Path A and 2nd Run
Resident Evil 2 Claire walkthrough: Sewers – Find the Plugs, solve the chess puzzle, G (Stage 2) - Polygon
Resident Evil 2 Chess Puzzle Guide – How to Get the Flamethrower
RE2 - All Safe, Locker, Desk Codes & Statue Puzzle 2nd Run, Chess Plug Puzzle, Laboratory Codes, Chemical Fill Order for 1st & 2nd Runs EDITED LINK : r/residentevil