chessli2 / docs /puzzle_themes.md
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| Name | Description |
|-------------------------|---------------------------------------------------------------------------------------------------------------------|
| Advanced pawn | One of your pawns is deep into the opponent position, maybe threatening to promote. |
| Advantage | Seize your chance to get a decisive advantage. (200cp ≤ eval ≤ 600cp) |
| Anastasia's mate | A knight and rook or queen team up to trap the opposing king between the side of the board and a friendly piece. |
| Arabian mate | A knight and a rook team up to trap the opposing king on a corner of the board. |
| Attacking f2 or f7 | An attack focusing on the f2 or f7 pawn, such as in the fried liver opening. |
| Attraction | An exchange or sacrifice encouraging or forcing an opponent piece to a square that allows a follow-up tactic. |
| Back rank mate | Checkmate the king on the home rank, when it is trapped there by its own pieces. |
| Bishop endgame | An endgame with only bishops and pawns. |
| Boden's mate | Two attacking bishops on criss-crossing diagonals deliver mate to a king obstructed by friendly pieces. |
| Castling | Bring the king to safety, and deploy the rook for attack. |
| Capture the defender | Removing a piece that is critical to defence of another piece, allowing the now undefended piece to be captured on a following move. |
| Crushing | Spot the opponent blunder to obtain a crushing advantage. (eval ≥ 600cp) |
| Double bishop mate | Two attacking bishops on adjacent diagonals deliver mate to a king obstructed by friendly pieces. |
| Dovetail mate | A queen delivers mate to an adjacent king, whose only two escape squares are obstructed by friendly pieces. |
| Equality | Come back from a losing position, and secure a draw or a balanced position. (eval ≤ 200cp) |
| Kingside attack | An attack of the opponent's king, after they castled on the king side. |
| Clearance | A move, often with tempo, that clears a square, file or diagonal for a follow-up tactical idea. |
| Defensive move | A precise move or sequence of moves that is needed to avoid losing material or another advantage. |
| Deflection | A move that distracts an opponent piece from another duty that it performs, such as guarding a key square. Sometimes also called "overloading". |
| Discovered attack | Moving a piece (such as a knight), that previously blocked an attack by a long range piece (such as a rook), out of the way of that piece. |
| Double check | Checking 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. |
| Endgame | A tactic during the last phase of the game. |
| En passant | A tactic involving the en passant rule, where a pawn can capture an opponent pawn that has bypassed it using its initial two-square move. |
| Exposed king | A tactic involving a king with few defenders around it, often leading to checkmate. |
| Fork | A move where the moved piece attacks two opponent pieces at once. |
| Hanging piece | A tactic involving an opponent piece being undefended or insufficiently defended and free to capture. |
| Hook mate | Checkmate with a rook, knight, and pawn along with one enemy pawn to limit the enemy king's escape. |
| Interference | Moving 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. |
| Intermezzo | Instead 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". |
| Knight endgame | An endgame with only knights and pawns. |
| Long | Three moves to win. |
| Master games | Puzzles from games played by titled players. |
| Master vs Master games | Puzzles from games between two titled players. |
| Checkmate | Win the game with style. |
| Mate in 1 | Deliver checkmate in one move. |
| Mate in 2 | Deliver checkmate in two moves. |
| Mate in 3 | Deliver checkmate in three moves. |
| Mate in 4 | Deliver checkmate in four moves. |
| Mate in 5 or more | Figure out a long mating sequence. |
| Middlegame | A tactic during the second phase of the game. |
| One-move puzzle | A puzzle that is only one move long. |
| Opening | A tactic during the first phase of the game. |
| Pawn endgame | An endgame with only pawns. |
| Pin | A tactic involving pins, where a piece is unable to move without revealing an attack on a higher value piece. |
| Promotion | Promote one of your pawn to a queen or minor piece. |
| Queen endgame | An endgame with only queens and pawns. |
| Queen and Rook | An endgame with only queens, rooks and pawns. |
| Queenside attack | An attack of the opponent's king, after they castled on the queen side. |
| Quiet move | A move that does neither make a check or capture, nor an immediate threat to capture, but does prepare a more hidden unavoidable threat for a later move. |
| Rook endgame | An endgame with only rooks and pawns. |
| Sacrifice | A tactic involving giving up material in the short-term, to gain an advantage again after a forced sequence of moves. |
| Short | Two moves to win. |
| Skewer | A 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. |
| Smothered mate | A checkmate delivered by a knight in which the mated king is unable to move because it is surrounded (or smothered) by its own pieces. |
| Super GM games | Puzzles from games played by the best players in the world. |
| Trapped piece | A piece is unable to escape capture as it has limited moves. |
| Underpromotion | Promotion to a knight, bishop, or rook. |
| Very long | Four moves or more to win. |
| X-Ray attack | A piece attacks or defends a square, through an enemy piece. |
| Zugzwang | The opponent is limited in the moves they can make, and all moves worsen their position. |
| Healthy mix | A bit of everything. You don't know what to expect, so you remain ready for anything! Just like in real games. |
| Player games | Lookup puzzles generated from your games, or from another player's games. |
| Puzzle download information | These puzzles are in the public domain, and can be downloaded from %s. |