Shidira

Absolute Pin

Alekhine’s Gun

Back-rank Mate

Blind Pigs

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

Bobby Time

Play a game using the Fischer timer

Boden's Mate

Check

Put an opponent in check

Checkmate

Win a game

Chess Champion

Beat the computer on Grandmaster difficulty

Chop Wood

Make a capture or exchange

Double Check

Deliver a check by two pieces at the same time

Doubled Pawn

Have two pawns of the same colour on the same file

Elo

Beat an opponent with an Elo rating higher than yours

Elo Elo

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

Elo Elo Elo

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

En Passant

Perform an en passant capture

Epaulette Mate

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

Family Fork

Using a Knight simultaneously attack the enemy King and Queen

Fool's Mate

Friendly Fire

Issue an online challenge to a friend

Learner

Complete all the tutorials

O-O

Castle kingside

O-O-O

Castle queenside

Octopus

Place a White Knight on e6

Piece Collector

Capture 100 pieces

Problem Solved

Complete all the chess challenges

Problem Solver

Complete 50% of the chess challenges

Promotion

Advance a pawn to the eighth rank

Queen Sacrifice

Scholar's Mate

Spanish Bishop

Develop a White King Bishop to b5

Stalemate

Draw a game by stalemate

Stranger Danger

Create a random online game

Tournament Amateur

Win a tournament

Tournament Champion

Win a 32 player tournament

Tournament Master

Win 20 tournaments

Tournament Pro

Win 5 tournaments

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