Healthy mix1,156,805A bit of everything. You don't know what to expect, so you remain ready for anything! Just like in real games.
Opening82,266A tactic during the first phase of the game.
Middlegame599,067A tactic during the second phase of the game.
Endgame475,472A tactic during the last phase of the game.
Rook endgame41,148An endgame with only rooks and pawns.
Bishop endgame10,708An endgame with only bishops and pawns.
Pawn endgame20,044An endgame with only pawns.
Knight endgame7,642An endgame with only knights and pawns.
Queen endgame6,645An endgame with only queens and pawns.
Queen and Rook5,385An endgame with only queens, rooks, and pawns.
Advanced pawn50,396A pawn promoting or threatening to promote is key to the tactic.
Attacking f2 or f75,400An attack focusing on the f2 or f7 pawn, such as in the fried liver opening.
Capture the defender10,970Removing a piece that is critical to defense of another piece, allowing the now undefended piece to be captured on a following move.
Discovered attack78,546Moving a piece that previously blocked an attack by another long range piece, such as a knight out of the way of a rook.
Double check3,992Checking with two pieces at once, as a result of a discovered attack where both the moving piece and the unveiled piece attack the opponent's king.
Exposed king20,010A tactic involving a king with few defenders around it, often leading to checkmate.
Fork194,991A move where the moved piece attacks two opponent pieces at once.
Hanging piece66,895A tactic involving an opponent piece being undefended or insufficiently defended and free to capture.
Kingside attack74,654An attack of the opponent's king, after they castled on the king side.
Pin80,757A tactic involving pins, where a piece is unable to move without revealing an attack on a higher value piece.
Queenside attack11,704An attack of the opponent's king, after they castled on the queen side.
Sacrifice52,881A tactic involving giving up material in the short-term, to gain an advantage again after a forced sequence of moves.
Skewer27,468A motif involving a high value piece being attacked, moving out the way, and allowing a lower value piece behind it to be captured or attacked, the inverse of a pin.
Trapped piece22,302A piece is unable to escape capture as it has limited moves.
Attraction27,859An exchange or sacrifice encouraging or forcing an opponent piece to a square that allows a follow-up tactic.
Clearance11,949A move, often with tempo, that clears a square, file or diagonal for a follow-up tactical idea.
Defensive move63,624A precise move or sequence of moves that is needed to avoid losing material or another advantage.
Deflection46,088A move that distracts an opponent piece from another duty that it performs, such as guarding a key square. Sometimes also called "overloading".
Interference5,194Moving a piece between two opponent pieces to leave one or both opponent pieces undefended, such as a knight on a defended square between two rooks.
Intermezzo20,891Instead of playing the expected move, first interpose another move posing an immediate threat that the opponent must answer. Also known as "Zwischenzug" or "In between".
Quiet move33,038A move that does not make a check or capture, but does prepare an unavoidable threat for a later move.
X-Ray attack3,238A piece attacks or defends a square, through an enemy piece.
Zugzwang5,559The opponent is limited in the moves they can make, and all moves worsen their position.
Mate in 150,947Deliver checkmate in one move.
Mate in 275,383Deliver checkmate in two moves.
Mate in 315,431Deliver checkmate in three moves.
Mate in 42,253Deliver checkmate in four moves.
Mate in 5 or more514Figure out a long mating sequence.
Anastasia's mate585A knight and rook or queen team up to trap the opposing king between the side of the board and a friendly piece.
Arabian mate578A knight and a rook team up to trap the opposing king on a corner of the board.
Back rank mate19,899Checkmate the king on the home rank, when it is trapped there by its own pieces.
Boden's mate192Two attacking bishops on criss-crossing diagonals deliver mate to a king obstructed by friendly pieces.
Double bishop mate207Two attacking bishops on adjacent diagonals deliver mate to a king obstructed by friendly pieces.
Dovetail mate268A queen delivers mate to an adjacent king, whose only two escape squares are obstructed by friendly pieces.
Hook mate807Checkmate with a rook, knight, and pawn along with one enemy pawn to limit the enemy king's escape.
Smothered mate1,620A checkmate delivered by a knight in which the mated king is unable to move because it is surrounded (or smothered) by its own pieces.
Castling596Bring the king to safety, and deploy the rook for attack.
En passant1,690A tactic involving the en passant rule, where a pawn can capture an opponent pawn that has bypassed it using its initial two-square move.
Promotion17,983A pawn promoting or threatening to promote is key to the tactic.
Underpromotion161Promotion to a knight, bishop, or rook.
Equality42,843Come back from a losing position, and secure a draw or a balanced position. (eval ≤ 200cp)
Advantage447,576Seize your chance to get a decisive advantage. (200cp ≤ eval ≤ 600cp)
Crushing510,149Spot the opponent blunder to obtain a crushing advantage. (eval ≥ 600cp)
Mate144,528Win the game with style.
One-move puzzle98,041A puzzle that is only one move long.
Short puzzle815,544Two moves to win.
Long puzzle176,121Three moves to win.
Very long puzzle55,390Four moves or more to win.
Master games27,505Puzzles from games played by titled players.
Master vs Master games3,578Puzzles from games between two titled players.
Super GM games1,412Puzzles from games played by the best players in the world.
These puzzles are in the public domain, and can be downloaded from database.lichess.org.