Chess Ultra Achievements

  • Pin a piece against your opponent's King
    GS: 10
    79.10%
  • Stack two Rooks one behind another in the same file with the Queen at the rear
    GS: 10
    13.21%
  • Deliver checkmate by a Rook or Queen along a back rank, with the King's escape blocked by friendly p
    GS: 10
    12.82%
  • Have two pawns of the same colour on the same file
    GS: 10
    88.08%
  • Castle queenside
    GS: 10
    52.56%
  • O-O
    Castle kingside
    GS: 10
    62.95%
  • Put an opponent in check
    GS: 10
    90.38%
  • Win a game
    GS: 10
    68.85%
  • Make a capture or exchange
    GS: 10
    97.05%
  • Advance a pawn to the eighth rank
    GS: 10
    70.77%
  • Promote a pawn to a Rook, Bishop, or Knight instead of a Queen
    GS: 10
    26.67%
  • Perform an en passant capture
    GS: 10
    45.90%
  • Deliver a check by two pieces at the same time
    GS: 10
    32.95%
  • Complete all the tutorials
    GS: 10
    34.49%
  • Capture 100 pieces
    GS: 10
    31.92%
  • Deliver checkmate where the King is blocked on both sides by his own Rooks
    GS: 10
    9.62%
  • Win a game in three moves
    GS: 10
    10.51%
  • Win a game in four moves
    GS: 10
    11.15%
  • Place a White Knight on e6
    GS: 10
    41.54%
  • Develop a White King Bishop to b5
    GS: 10
    53.72%
  • Win a tournament
    GS: 10
    11.92%
  • Complete 50% of the chess challenges
    GS: 10
    12.82%
  • Elo
    Beat an opponent with an Elo rating higher than yours
    GS: 10
    41.54%
  • Create a random online game
    GS: 10
    46.54%
  • Issue an online challenge to a friend
    GS: 10
    33.33%
  • Play a game using the Fischer timer
    GS: 25
    29.74%
  • Sacrifice the Queen then go on to win the game
    GS: 25
    49.62%
  • Using a Knight simultaneously attack the enemy King and Queen
    GS: 25
    28.72%
  • Beat an opponent with an Elo rating more than 75 higher than yours
    GS: 25
    33.46%
  • Win 5 tournaments
    GS: 25
    8.72%
  • Maneuver a pair of Rooks onto your opponent’s second rank
    GS: 25
    17.95%
  • Draw a game by stalemate
    GS: 50
    46.03%
  • Deliver checkmate by two crisscrossing Bishops, with the King's escape blocked by friendly pieces
    GS: 50
    9.49%
  • Win a 32 player tournament
    GS: 50
    7.56%
  • Beat an opponent with an Elo rating more than 150 higher than yours
    GS: 100
    28.33%
  • Beat the computer on Grandmaster difficulty
    GS: 100
    17.69%
  • Complete all the chess challenges
    GS: 100
    10.00%
  • Win 20 tournaments
    GS: 150
    7.95%