Puzzle Themes
Recommended
Phases
Opening315 248
A tactic during the first phase of the game.Middlegame2 845 264
A tactic during the second phase of the game.Endgame3 073 700
A tactic during the last phase of the game.Rook endgame327 012
An endgame with only rooks and pawns.Bishop endgame83 097
An endgame with only bishops and pawns.Pawn endgame221 334
An endgame with only pawns.Knight endgame50 408
An endgame with only knights and pawns.Queen endgame70 742
An endgame with only queens and pawns.Queen and Rook45 881
An endgame with only queens, rooks and pawns.By openingsUgar »
Sicilian Defense200 531
French Defense85 197
Queen's Pawn Game77 461
Italian Game73 650
Caro-Kann Defense71 314
Scandinavian Defense56 069
Queen's Gambit Declined48 645
English Opening40 968
Ruy Lopez39 634
Scotch Game36 598
Indian Defense35 453
Philidor Defense24 813
Motifs
Advanced pawn378 202
One of your pawns is deep into the opponent position, maybe threatening to promote.Attacking f2 or f745 156
An attack focusing on the f2 or f7 pawn, such as in the fried liver opening.Capture the defender42 615
Removing a piece that is critical to defence of another piece, allowing the now undefended piece to be captured on a following move.Discovered attack322 628
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 check32 382
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.Exposed king184 370
A tactic involving a king with few defenders around it, often leading to checkmate.Fork819 826
A move where the moved piece attacks two opponent pieces at once.Hanging piece247 619
A tactic involving an opponent piece being undefended or insufficiently defended and free to capture.Kingside attack534 282
An attack of the opponent's king, after they castled on the king side.Pin377 893
A tactic involving pins, where a piece is unable to move without revealing an attack on a higher value piece.Queenside attack92 266
An attack of the opponent's king, after they castled on the queen side.Sacrifice458 224
A tactic involving giving up material in the short-term, to gain an advantage again after a forced sequence of moves.Skewer139 498
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.Trapped piece72 755
A piece is unable to escape capture as it has limited moves.Advanced
Attraction221 484
An exchange or sacrifice encouraging or forcing an opponent piece to a square that allows a follow-up tactic.Clearance80 729
A move, often with tempo, that clears a square, file or diagonal for a follow-up tactical idea.Collinear move7 566
Two opposing pieces face each other, and one slides along the line of attack without capturing the enemy piece.Discovered check108 808
Move a piece to reveal a check from a hidden attacking piece, which often leads to a decisive advantage.Defensive move372 749
A precise move or sequence of moves that is needed to avoid losing material or another advantage.Deflection268 461
A move that distracts an opposing piece from another duty that it performs, such as guarding a key square. Sometimes also called "overloading".Interference22 981
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.Intermezzo77 572
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".Quiet move255 130
A move that does not check, capture, or create an immediate threat to capture. Instead, it prepares a hidden and unavoidable threat for a later move.X-Ray attack21 862
A piece attacks or defends a square, through an enemy piece.Zugzwang62 730
The opponent is limited in the moves they can make, and all moves worsen their position.Mates
Checkmate1 911 897
Win the game with style.Mate in 1880 625
Deliver checkmate in one move.Mate in 2801 258
Deliver checkmate in two moves.Mate in 3195 221
Deliver checkmate in three moves.Mate in 428 621
Deliver checkmate in four moves.Mate in 5 or more6 174
Figure out a long mating sequence.Mate themes
Anastasia's mate7 342
A knight and rook or queen team up to trap the opposing king between the side of the board and a friendly piece.Arabian mate7 327
A knight and a rook team up to trap the opposing king on a corner of the board.Back rank mate204 249
Checkmate the king on the home rank, when it is trapped there by its own pieces.Balestra mate1 368
A bishop delivers the checkmate, while a queen blocks the remaining escape squaresBlind Swine mate6 361
Two rooks team up to mate the king in an area of 2 by 2 squares.Boden's mate3 663
Two attacking bishops on criss-crossing diagonals deliver mate to a king obstructed by friendly pieces.Corner mate10 787
Confine the king to the corner using a rook or queen and a knight to engage the checkmate.Double bishop mate3 613
Two attacking bishops on adjacent diagonals deliver mate to a king obstructed by friendly pieces.Dovetail mate4 004
A queen delivers mate to an adjacent king, whose only two escape squares are obstructed by friendly pieces.Epaulette mate22 649
Two adjacent escape squares for a checked king are occupied by other pieces.Hook mate10 487
Checkmate with a rook, knight, and pawn along with one enemy pawn to limit the enemy king's escape.Kill box mate5 520
A rook is next to the enemy king and supported by a queen that also blocks the king's escape squares. The rook and the queen catch the enemy king in a 3 by 3 "kill box".Pillsbury's mate67 648
The rook delivers checkmate, while the bishop helps to confine it.Morphy's mate7 134
Use the bishop to check the king, while your rook helps to confine it.Opera mate63 942
Check the king with a rook and use a bishop to defend the rook.Swallow's tail mate8 398
A checkmate pattern that visually resembles the appearance of a swallow’s tail, similar to a V shape.Triangle mate7 854
The queen and rook, one square away from the enemy king, are on the same rank or file, separated by one square, forming a triangle.Vuković mate2 487
A rook and knight team up to mate the king. The rook delivers mate while supported by a third piece, and the knight is used to block the king's escape squares.Smothered mate23 815
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.Special moves
Castling2 625
Bring the king to safety, and deploy the rook for attack.En passant rights8 721
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.Promotion147 190
Promote one of your pawn to a queen or minor piece.Underpromotion1 153
Promotion to a knight, bishop, or rook.Goals
Equality43 030
Come back from a losing position, and secure a draw or a balanced position. (eval ≤ 200cp)Advantage1 857 024
Seize your chance to get a decisive advantage. (200cp ≤ eval ≤ 600cp)Crushing2 392 947
Spot the opponent blunder to obtain a crushing advantage. (eval ≥ 600cp)Checkmate1 911 897
Win the game with style.Lengths
One-move puzzle927 883
A puzzle that is only one move long.Short puzzle3 186 511
Two moves to win.Long puzzle1 589 538
Three moves to win.Very long puzzle500 966
Four moves or more to win.Origin
Master games821 040
Puzzles from games played by titled players.Master vs Master games76 459
Puzzles from games between two titled players.Super GM games3 234
Puzzles from games played by the best players in the world.Player games
View puzzles generated from your games, or from another player's gamesThese puzzles are in the public domain, and can be downloaded from database.adjva4.dpdns.org.