Pin your opponent's King in any game mode

Stack two Rooks one behind another in the same file with the Queen at the rear

Deliver checkmate by a Rook or Queen along a back rank

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

Play a game using the Fischer timer

Deliver checkmate where the King has castled queenside and is checkmated by two crisscrossing Bishops

Put an opponent in check in any game mode

Win a game

Beat the CPU 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 during any game mode

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

Using a Knight simultaneously attack the enemy King and Queen

Win a game in three moves

Issue on online challenge to a friend

Complete all the tutorials

Castle kingside

Castle queenside

Place a White Knight on e6

Capture 100 pieces

Complete all the chess challenges

Complete 50% of the chess challenges

Advance a pawn to the eighth rank in any game mode

Sacrifice the Queen in any game mode then go on to win the game

Win a game in four moves

Develop a White King Bishop to b5

Draw a game by stalemate

Create a random online game

Win a tournament

Win a 32 player tournament

Win 20 tournaments

Win 5 tournaments

Promote a pawn to a Rook, Bishop, or Knight instead of a Queen