Chess Ultra

Chess Ultra

38 Achievements

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Absolute Pin

Absolute Pin

Pin a piece against your opponent's King

66.9% 3 Guides
Doubled Pawn

Doubled Pawn

Have two pawns of the same colour on the same file

74.7% 4 Guides
O-O

O-O

Castle kingside

46.1% 4 Guides
Check

Check

Put an opponent in check

74.5% 3 Guides
Checkmate

Checkmate

Win a game

55.4% 3 Guides
Chop Wood

Chop Wood

Make a capture or exchange

83.2% 4 Guides
Promotion

Promotion

Advance a pawn to the eighth rank

53.3% 3 Guides
Octopus

Octopus

Place a White Knight on e6

28.9% 3 Guides
Spanish Bishop

Spanish Bishop

Develop a White King Bishop to b5

40.1% 4 Guides
Queen Sacrifice

Queen Sacrifice

Sacrifice the Queen then go on to win the game

40.9% 2 Guides
Stalemate

Stalemate

Draw a game by stalemate

35.9% 6 Guides
Alekhine’s Gun

Alekhine’s Gun

Stack two Rooks one behind another in the same file with the Queen at the rear

1.4% 4 Guides
Back-rank Mate

Back-rank Mate

Deliver checkmate by a Rook or Queen along a back rank, with the King's escape blocked by friendly pieces

4.0% 4 Guides
O-O-O

O-O-O

Castle queenside

31.9% 5 Guides
Underpromote

Underpromote

Promote a pawn to a Rook, Bishop, or Knight instead of a Queen

10.4% 5 Guides
En Passant

En Passant

Perform an en passant capture

22.9% 6 Guides
Double Check

Double Check

Deliver a check by two pieces at the same time

20.3% 4 Guides
Learner

Learner

Complete all the tutorials

8.9% 3 Guides
Piece Collector

Piece Collector

Capture 100 pieces

22.4% 3 Guides
Epaulette Mate

Epaulette Mate

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

0.6% 3 Guides
Fool's Mate

Fool's Mate

Win a game in three moves

0.6% 5 Guides
Scholar's Mate

Scholar's Mate

Win a game in four moves

0.8% 4 Guides
Tournament Amateur

Tournament Amateur

Win a tournament

1.0% 2 Guides
Problem Solver

Problem Solver

Complete 50% of the chess challenges

1.0% 1 Guide
Elo

Elo

Beat an opponent with an Elo rating higher than yours

29.8% 4 Guides
Stranger Danger

Stranger Danger

Create a random online game

19.9% 4 Guides
Friendly Fire

Friendly Fire

Issue an online challenge to a friend

8.5% 3 Guides
Bobby Time

Bobby Time

Play a game using the Fischer timer

6.0% 3 Guides
Family Fork

Family Fork

Using a Knight simultaneously attack the enemy King and Queen

13.9% 3 Guides
Elo Elo

Elo Elo

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

20.3% 3 Guides
Tournament Pro

Tournament Pro

Win 5 tournaments

0.5% 1 Guide
Blind Pigs

Blind Pigs

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

9.2% 3 Guides
Boden's Mate

Boden's Mate

Deliver checkmate by two crisscrossing Bishops, with the King's escape blocked by friendly pieces

0.6% 5 Guides
Tournament Champion

Tournament Champion

Win a 32 player tournament

0.5% 3 Guides
Elo Elo Elo

Elo Elo Elo

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

13.2% 3 Guides
Chess Champion

Chess Champion

Beat the computer on Grandmaster difficulty

1.6% 5 Guides
Problem Solved

Problem Solved

Complete all the chess challenges

0.6% 5 Guides
Tournament Master

Tournament Master

Win 20 tournaments

0.5% 4 Guides