the chances WERE 18 kon Gen 6 , they changed it to 28 k , or 14 k 4096 now , if you have the ability to get the Shiny Charm , that increases the chances to 24 k or 12048 NOW , if you also do the masuda methodbreeding with a foreign pokemon that also increases the chances 2 x , meaning 12048 on normal encounters but 11024 with Shiny charmThere are also other Methods . Most of these other methods have a fixed 1512 rate and are not affected by the Shiny Charm . On SunMoon , these method is the SOS Chains , which consists of forcing SOS to take place , meaning the shiny rate increases . This chains are NOT necessary to be consecutive . Basically , it goes like thisGamesChancesGen 1 BaseNo shiny Pokmon on this genGen 2 Base 18192 no matter the methodGen 3 Base 18192 but with revamped formula to allow certain stuff Gen 2 didn ' tGen 4 Base 18192 Masuda Method 11638 PokeRadar 1200 Gen 5 Base 18192 Masuda Method 11365 Shiny Charm ~ 12730 Masuda Method and Shiny Charm 11024 Gen 6 Base 14096 2 x than previous gensShiny Charm 11365 Masuda Method 1683 Masuda Method and Shiny Charm 1512 Dexnav and Friend safari ~ 1512 NOT AFFECTED BY SHINY CHARMPokeradar ~ 1200 Chain FishingNear 414096 , which is exactly 1 % Gen 7 14096 Shiny Charm 11365 Masuda method 1683 Masuda Method and Shiny Charm 1512 SOS Chains 1512 Not confirmed but most likelyValues on chains are taken from the supposedly max chain