Duolingo Data:
Chess from English 200 Units, 1816 Different Lessons:

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TeachingObjective
Move your pieces
Capture and attack pieces
Defend your pieces
Check! Attack the king
Checkmate! Win the game
Play a full match
Piece value and captures
Safe squares and attacks
Opening principles
Defend your pieces
Queen and ladder mates
The Italian Game
Exchanges
Pawn rules and races
Forks
Mate patterns
Absolute pins
Plans after the opening
Continuing the opening
Relative pins
Skewers
Sacrifice
Discovered attacks
Backward moves
Happy pieces
Battery
Finishing the opening
Evaluate captures
Finding opportunities
Spotting tactics
Defending against mate
Double check
Pawn and knight forks
Responding to checks
Obstacles to castling
Using pins in a game
Effective pawn play
Essential checkmates
Stalemate traps
Attacking defenders
Move or capture to avoid mate
Defend or block mate
Pawn structure
Preventing forks
Escaping pins
Forcing moves
Discovered checks and attacks
Weaknesses
Open and semi-open files
Place knights and bishops
Using your queen
Pawn majorities and promotion
Opposition
Rooks vs queens
Trapped bishops and knights
Queen mates on a castled king
Interference
Advanced pins
Order of captures
Board vision
Deflection
Mastering common endgames
Defending strategy
Attraction
Checkmate prevention
Advanced pawns
Planning checkmates
Zugzwang
File and rank attacks
Mating nets
Planning sacrifices
Weak pawns
Draws
Back-rank mates
Diagonal attacks
Advantages
Trapped pieces
Promoting pawns
Clearance
Spotting tactics
Mate with a bishop pair
Push and stop passed pawns
Sacrifice to win
Decide when to trade
Use tactics in the opening
Knight mates
Improve your rooks and queen
Stack rooks and queens
Race your pawns to promotion
Take the opposition
Improve knights and bishops
Mate with rook and bishop
Discover checks
Attack with your bishops
Pawn power
Queen and bishop mates
Fork with your queen
Shouldering and zugzwang
Mate with a rook
Invade the pawn row
Attack and defend the king
Mate with rook and knight
Interference and intermezzo
Mate with minor pieces
Overloading
Castling strategy
Queen mates
Counterattack
Double attacks
Opening pawn attacks
King activity in endgames
Escape forks
Pawn structure
Pawn freezes and breakthroughs
Trading knights and bishops
Calculate captures
Knight checkmates
Falsely defended pieces
Create outposts
In-between moves
Promotion tactics
Advanced sacrifices
Expose the enemy king
Proactive king safety
Knight and pawn endgames
Spot enemy threats
Advanced checkmate vision
Tactical mate threats
Skewers
Retreating moves
Knight and bishop forks
Pins
Escaping pins
Queen and bishop mates
Overloading
Opera mate
Prevent castling
Intermezzo with check
Hook mate
Prevent a named mate
Queen and rook forks
Discovered check for material
Avoid discovered check
Pawn and king forks
Preventing forks
Discovered attack for material
Attraction into fork I
Deflection for material I
Piling up on a pin
Interference
Zugzwang
Lolli's mate
Trapped pieces I
Sacrifice for mate I
Discovered double check I
Deflection for promotion
Ruining pawn structure
Attraction into fork II
Prevent mate in 1
Check or mate?
Attraction for mate
Batteries
Morphy's mate
Double attacks
Discovered check for mate
Mate due to a pin
Prevent a mate from afar
Clearance
Rook and knight mates
Weak pawns
One-rook mates
Prevent mate in 2 I
Bishop and knight mates
Blind swine mate
Catching a passed pawn
Battery mates
Deflection for material II
Sacrifice for mate II
Prevent mate in 2 II
Deflection for mate
Bishop-assisted mates
Discovered double check II
Epaulette mate
Exposing the king
Greco's mate
Promoting
Parallel bishops mate
Attraction skewer
Boden's mate
Trapped pieces II
Suffocation mate
Close queen mates
Exchange sacrifices
Dovetail mate
Queen and knight mates
Forks in the endgame
Mate in three I
Fork for promotion
Mate in three II
Promotion forks

Edited by Mat!/Ozone, 2026/11/09.