However, to launch the game and play, you need to input special phrases. BetaNews shares the instructions: So, for example, you’d type @fbchess Pd4 to move it to that space. If more than one piece can go there, you’ll be asked which one to move.

if you want a larger view of the chess board, click on the chat menu settings icon and select “See Full Conversation.” Sounds a little complicated. Maybe you should stick to the full fledged chess games available online. However if you like easter eggs or would like to surprise your Facebook friend who doesnt know about this Easter Egg, now’s your chance.

Here is how to unlock hidden Chess game in Facebook Messenger   TechWorm - 34