Check
Put an opponent in check in an exhibition game.
88.80%
Common
Checkmate
Win an exhibition game against the computer.
72.91%
Common
Amateur
Complete all the tutorials.
50.36%
Common
Pure Correspondence
Win a game of Play By Mail.
7.03%
Very Rare
Cross-check
Play a check in reply to a check.
24.68%
Uncommon
Promotion
Advance a pawn to the eighth rank in an offline game.
75.90%
Common
O-O-O
Perform a castling move on the queenside during any full game.
29.46%
Uncommon
En Passant
Perform an En Passant during any full game.
12.87%
Rare
Piece Collector
Capture 100 pieces.
43.26%
Uncommon
Pion Coiffé
Deliver checkmate with a pawn.
39.43%
Uncommon
Tournament King
Complete Tournament mode on all three difficulties.
2.02%
Ultra Rare
Problem Wizard
Solve 100 mate problems.
5.45%
Very Rare
Grandmaster
Achieve an ELO of 2500 or a Grandmaster Pure Chess rating.
0.74%
Ultra Rare