Chess Ultra

Manoeuvre a pair of Rooks onto your opponent’s second rank

Play a game using the Fischer timer

Put an opponent in check

Win a game

Beat the computer on Grandmaster difficulty

Make a capture or exchange

Deliver a check by two pieces at the same time

Have two pawns of the same colour on the same file

Beat an opponent with an Elo rating higher than yours

Beat an opponent with an Elo rating more than 75 higher than yours

Beat an opponent with an Elo rating more than 150 higher than yours

Perform an en passant capture

Deliver checkmate where the King is blocked on both sides by his own Rooks

Using a Knight simultaneously attack the enemy King and Queen

Issue an online challenge to a friend