The Facebook Messenger program, which many people use daily for chatting and voice calls, has a chess game that is concealed. The game may be played by any user in a chat window that was private.

To play chess on the Facebook Messenger, all you must do is enter “@fbchess play” command to start playing a game together with the individual you are chatting with.

To transfer your pieces, you’ll have to know about the Standard Algebraic Notation commands used to attribute places and the pieces on the board. Entering a command like “@fbchess Pd3” would move a pawn to d3 place.

If you get stuck, you always have the option to enter “@fbchess help” in the dialog’s text field. A listing of directions and commands will subsequently show up. In case you’re feeling like giving up, you always have the option to type “@fbchess step down”.

Reddit users initially found the concealed chess game.

Facebook last month declared the percent of the population using its Messenger program has shot past 800 million, with more attributes in route to win even more fans.

Progress to the messaging program that was smartphone last year contained which makes it simpler to send pictures ramping up speed, adding video calling, letting companies use it for customer service and adding the capacity to send money to friends.