38 achievements for 1000 Gamerscore
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Absolute Pin
Pin a piece against your opponent's King
10 Gamerscore
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Alekhine’s Gun
Stack two Rooks one behind another in the same file with the Queen at the rear
10 Gamerscore
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Back-rank Mate
Deliver checkmate by a Rook or Queen along a back rank, with the King's escape blocked by friendly p
10 Gamerscore
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Doubled Pawn
Have two pawns of the same colour on the same file
10 Gamerscore
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O-O-O
Castle queenside
10 Gamerscore
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O-O
Castle kingside
10 Gamerscore
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Check
Put an opponent in check
10 Gamerscore
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Checkmate
Win a game
10 Gamerscore
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Chop Wood
Make a capture or exchange
10 Gamerscore
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Promotion
Advance a pawn to the eighth rank
10 Gamerscore
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Underpromote
Promote a pawn to a Rook, Bishop, or Knight instead of a Queen
10 Gamerscore
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En Passant
Perform an en passant capture
10 Gamerscore
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Double Check
Deliver a check by two pieces at the same time
10 Gamerscore
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Learner
Complete all the tutorials
10 Gamerscore
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Piece Collector
Capture 100 pieces
10 Gamerscore
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Epaulette Mate
Deliver checkmate where the King is blocked on both sides by his own Rooks
10 Gamerscore
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Fool's Mate
Win a game in three moves
10 Gamerscore
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Scholar's Mate
Win a game in four moves
10 Gamerscore
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Octopus
Place a White Knight on e6
10 Gamerscore
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Spanish Bishop
Develop a White King Bishop to b5
10 Gamerscore
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Tournament Amateur
Win a tournament
10 Gamerscore
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Problem Solver
Complete 50% of the chess challenges
10 Gamerscore
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Elo
Beat an opponent with an Elo rating higher than yours
10 Gamerscore
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Stranger Danger
Create a random online game
10 Gamerscore
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Friendly Fire
Issue an online challenge to a friend
10 Gamerscore
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Bobby Time
Play a game using the Fischer timer
25 Gamerscore
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Queen Sacrifice
Sacrifice the Queen then go on to win the game
25 Gamerscore
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Family Fork
Using a Knight simultaneously attack the enemy King and Queen
25 Gamerscore
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Elo Elo
Beat an opponent with an Elo rating more than 75 higher than yours
25 Gamerscore
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Tournament Pro
Win 5 tournaments
25 Gamerscore
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Blind Pigs
Maneuver a pair of Rooks onto your opponent’s second rank
25 Gamerscore
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Stalemate
Draw a game by stalemate
50 Gamerscore
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Boden's Mate
Deliver checkmate by two crisscrossing Bishops, with the King's escape blocked by friendly pieces
50 Gamerscore
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Tournament Champion
Win a 32 player tournament
50 Gamerscore
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Elo Elo Elo
Beat an opponent with an Elo rating more than 150 higher than yours
100 Gamerscore
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Chess Champion
Beat the computer on Grandmaster difficulty
100 Gamerscore
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Problem Solved
Complete all the chess challenges
100 Gamerscore
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Tournament Master
Win 20 tournaments
150 Gamerscore