Hey Gamers! Welcome to NHL 19 World of CHEL!
Video below if you prefer video!
This achievement is very easy and most likely one you will get in time from simply playing the Ones mode of World of CHEL!
Simply, the achievement is for winning your first game of Ones, which is a 1v1v1 game mode with an AI goalie set to a single 3 minute period on a half arena. You obviously unlock this achievement on your way to obtain the Diamond Rink! achievement, so feel free to check out that guide for more information about the mode and some strategies to go along with the ones mentioned in the video below. Hope this helps!