Amateur - Complete all the tutorials.
Check - Put an opponent in check in an exhibition game.
Checkmate - Win an exhibition game against the computer.
Double Check - Deliver a check by two pieces at the same time.
En Passant - Perform an En Passant during any full game.
O-O-O - Perform a castling move on the queenside during any full game.
Piece Collector - Capture 100 pieces.
Promotion - Advance a pawn to the eighth rank in an offline game.
Pure Correspondence - Win a game of Play By Mail.
Epaulette Mate - Deliver checkmate where the king is blocked on both sides by his own rooks.
Problem Wizard - Solve 100 mate problems.
Tournament King - Complete Tournament mode on all three difficulties.
Grandmaster - Achieve an ELO of 2500 or a Grandmaster Pure Chess rating.