To be able to catch the Rare Pokémon, you need to build up a high Catch Combo. This is done by catching one kind of Pokémon repeatedly. For example, If I catch 12 Pidgey in a row, my Catch Combo will be 12. The higher your Catch Combo, the more likely a Rare Pokémon will spawn.
For maximal encounter rate, you need to build a Catch Combo of 31 or above, this will give make it 6 times more likely a Rare Pokémon will appear. Also, using the Lure Items will help tremendously so be sure to buy a lot.
Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! Statistics For velby
There are 245,458 views in 125 videos for Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!. About 3 hours worth of Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! videos were uploaded to his channel, or 5.67% of the total watchable video on velby's YouTube channel.