Achievement Unlocked Visibility Global Unlocks
Boden's Mate
Deliver checkmate by two crisscrossing Bishops, with the King's escape blocked by friendly pieces
2021-08-01 09:50:20
0.5%
Epaulette Mate
Deliver checkmate where the King is blocked on both sides by his own Rooks
2021-08-01 09:42:50 0.6%
Stranger Danger
Create a random online game
2021-07-14 16:55:02 19.9%
Back-rank Mate
Deliver checkmate by a Rook or Queen along a back rank, with the King's escape blocked by friendly pieces
2021-07-14 16:54:11
4.0%
Alekhine’s Gun
Stack two Rooks one behind another in the same file with the Queen at the rear
2021-07-13 21:34:35
1.4%
Problem Solved
Complete all the chess challenges
2021-07-12 13:12:18
0.5%
Problem Solver
Complete 50% of the chess challenges
2021-07-12 12:26:22
1.0%
Family Fork
Using a Knight simultaneously attack the enemy King and Queen
2021-07-12 08:48:54 13.8%
Underpromote
Promote a pawn to a Rook, Bishop, or Knight instead of a Queen
2021-07-07 10:59:24
10.3%
Double Check
Deliver a check by two pieces at the same time
2021-07-06 12:24:14 20.3%
Stalemate
Draw a game by stalemate
2021-07-06 12:09:51 35.8%
Blind Pigs
Manoeuvre a pair of Rooks onto your opponent’s second rank
2021-07-06 12:07:03 9.2%
Piece Collector
Capture 100 pieces
2021-07-06 11:58:41
22.4%
Octopus
Place a White Knight on e6
2021-07-06 11:42:54 28.9%
Scholar's Mate
Win a game in four moves
2021-07-05 10:47:33
0.8%
Fool's Mate
Win a game in three moves
2021-07-04 21:43:36
0.6%
Chess Champion
Beat the computer on Grandmaster difficulty
2021-07-04 21:38:15 1.6%
Elo Elo Elo
Beat an opponent with an Elo rating more than 150 higher than yours
2021-07-04 21:38:15 13.1%
Elo Elo
Beat an opponent with an Elo rating more than 75 higher than yours
2021-07-04 21:38:15 20.3%
Elo
Beat an opponent with an Elo rating higher than yours
2021-07-04 21:38:15 29.8%
Spanish Bishop
Develop a White King Bishop to b5
2021-07-04 21:15:50 40.1%
Friendly Fire
Issue an online challenge to a friend
2021-07-04 21:08:52 8.5%
Bobby Time
Play a game using the Fischer timer
2021-07-04 20:54:57 5.9%
Queen Sacrifice
Sacrifice the Queen then go on to win the game
2021-07-04 20:54:57
40.8%
Checkmate
Win a game
2021-07-04 20:54:57 55.4%
Absolute Pin
Pin a piece against your opponent's King
2021-07-04 20:51:45
66.9%
Learner
Complete all the tutorials
2021-07-04 20:46:24
8.9%
En Passant
Perform an en passant capture
2021-07-04 20:39:36 22.9%
Doubled Pawn
Have two pawns of the same colour on the same file
2021-07-04 20:39:36 74.6%
Promotion
Advance a pawn to the eighth rank
2021-07-04 20:39:25 53.3%
O-O-O
Castle queenside
2021-07-04 20:39:18 31.9%
O-O
Castle kingside
2021-07-04 20:39:10 46.1%
Check
Put an opponent in check
2021-07-04 20:38:35 74.5%
Chop Wood
Make a capture or exchange
2021-07-04 20:36:51 83.1%
Tournament Amateur
Win a tournament
1.0%
Tournament Champion
Win a 32 player tournament
0.5%
Tournament Master
Win 20 tournaments
0.5%
Tournament Pro
Win 5 tournaments
0.5%