Check this out, someone from leddit made a spreadsheet where you can get all possible cp numbers for any given iv range for any given pokemon:
https://www.reddit.com/r/TheSilphRoad/comments/8e6x1k/search_code_generator_for_any_pokemon_and_any_iv/Now, could someone here obtain and provide us with the text for finding possible >90% Charmanders? I'm too retarded to do it.