From the announcement (note: all mentions of "this post" refer to the Steamforged post on Facebook and not the TGN post talking about the Steamforged post on Facebook):
SHARE TO WIN!
Resident Evil™ 2: The Board Game is coming to Kickstarter on 25th September 20:00BST!!
To celebrate we'll be giving away a pledge to the Kickstarter for one copy of Resident Evil™ 2: The Board Game to one lucky person who shares this post!
The winner will be announced during our livestream playthrough of the game on September 25th via twitch.tv/steamforged and contacted through Facebook!