icon | info |
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Absolute Pin | |
Alekhine’s Gun | |
Back-rank Mate | |
Doubled Pawn Have two pawns of the same colour on the same file | |
O-O-O Castle queenside | |
O-O Castle kingside | |
Check Put an opponent in check | |
Checkmate Win a game | |
Chop Wood Make a capture or exchange | |
Promotion Advance a pawn to the eighth rank | |
Underpromote | |
En Passant Perform an en passant capture | |
Double Check Deliver a check by two pieces at the same time | |
Learner Complete all the tutorials | |
Piece Collector Capture 100 pieces | |
Epaulette Mate Deliver checkmate where the King is blocked on both sides by his own Rooks | |
Fool's Mate | |
Scholar's Mate | |
Octopus Place a White Knight on e6 | |
Spanish Bishop Develop a White King Bishop to b5 | |
Tournament Amateur Win a tournament | |
Problem Solver Complete 50% of the chess challenges | |
Elo Beat an opponent with an Elo rating higher than yours | |
Stranger Danger Create a random online game | |
Friendly Fire Issue an online challenge to a friend | |
Bobby Time Play a game using the Fischer timer | |
Queen Sacrifice | |
Family Fork Using a Knight simultaneously attack the enemy King and Queen | |
Elo Elo Beat an opponent with an Elo rating more than 75 higher than yours | |
Tournament Pro Win 5 tournaments | |
Blind Pigs Manoeuvre a pair of Rooks onto your opponent’s second rank | |
Stalemate Draw a game by stalemate | |
Boden's Mate | |
Tournament Champion Win a 32 player tournament | |
Elo Elo Elo Beat an opponent with an Elo rating more than 150 higher than yours | |
Chess Champion Beat the computer on Grandmaster difficulty | |
Problem Solved Complete all the chess challenges | |
Tournament Master Win 20 tournaments |