The library

Learn chess, pattern by pattern

Every tactic and opening, explained plainly with a live example to solve: free.

Tactics & checkmates

The Fork

Learn it, then solve one.

The Pin

Learn it, then solve one.

The Skewer

Learn it, then solve one.

Discovered Attacks

Learn it, then solve one.

The Double Check

Learn it, then solve one.

Back-Rank Mate

Learn it, then solve one.

Mate in One

Learn it, then solve one.

Mate in Two

Learn it, then solve one.

Mate in Three

Learn it, then solve one.

Mate in Four

Learn it, then solve one.

Mate in Five

Learn it, then solve one.

The Sacrifice

Learn it, then solve one.

Hanging Pieces

Learn it, then solve one.

Deflection

Learn it, then solve one.

Attraction (the Decoy)

Learn it, then solve one.

Clearance

Learn it, then solve one.

Promotion

Learn it, then solve one.

Under-Promotion

Learn it, then solve one.

Combinations

Learn it, then solve one.

Endgame Tactics

Learn it, then solve one.

Remove the Defender

Learn it, then solve one.

Zwischenzug (the In-Between Move)

Learn it, then solve one.

Interference

Learn it, then solve one.

X-Ray Attacks

Learn it, then solve one.

Trapped Pieces

Learn it, then solve one.

The f7 / f2 Point

Learn it, then solve one.

Kingside Attack

Learn it, then solve one.

Queenside Attack

Learn it, then solve one.

The Exposed King

Learn it, then solve one.

Quiet Moves

Learn it, then solve one.

Smothered Mate

Learn it, then solve one.

The Arabian Mate

Learn it, then solve one.

Boden's Mate

Learn it, then solve one.

Anastasia's Mate

Learn it, then solve one.

The Hook Mate

Learn it, then solve one.

The Dovetail Mate

Learn it, then solve one.

The Double Bishop Mate

Learn it, then solve one.

Advanced Pawns

Learn it, then solve one.

En Passant

Learn it, then solve one.

Pawn Endgames

Learn it, then solve one.

Rook Endgames

Learn it, then solve one.

Bishop Endgames

Learn it, then solve one.

Knight Endgames

Learn it, then solve one.

Queen Endgames

Learn it, then solve one.

Zugzwang

Learn it, then solve one.

Discovered Check

Learn it, then solve one.

One-Move Tactics

Learn it, then solve one.

Long Combinations

Learn it, then solve one.

Deep Calculation

Learn it, then solve one.

Opening Tactics & Traps

Learn it, then solve one.

Defensive Resources

Learn it, then solve one.

Queen vs Rook Endgames

Learn it, then solve one.

The Opera Mate

Learn it, then solve one.

Pillsbury's Mate

Learn it, then solve one.

The Épaulette Mate

Learn it, then solve one.

The Corner Mate

Learn it, then solve one.

The Triangle Mate

Learn it, then solve one.

Morphy's Mate

Learn it, then solve one.

The Swallow's Tail Mate

Learn it, then solve one.

The Kill Box Mate

Learn it, then solve one.

The Blind Swine Mate

Learn it, then solve one.

The Vuković Mate

Learn it, then solve one.

The Balestra Mate

Learn it, then solve one.

Openings

The Ruy Lopez

Plays White · 5 lines

The Italian Game

Plays White · 8 lines

The Scotch Game

Plays White · 4 lines

The Queen's Gambit

Plays White · 5 lines

The London System

Plays White · 4 lines

The English Opening

Plays White · 4 lines

The Catalan (White)

Plays White · 6 lines

The Vienna Game

Plays White · 4 lines

The King's Gambit

Plays White · 4 lines

Anti-Sicilians (White)

Plays White · 7 lines

The Réti Opening

Plays White · 4 lines

The Trompowsky Attack

Plays White · 4 lines

The King's Indian Attack

Plays White · 4 lines

Bird's Opening

Plays White · 3 lines

The Colle System

Plays White · 4 lines

The Torre Attack

Plays White · 3 lines

The Nimzo-Larsen Attack

Plays White · 3 lines

The Bishop's Opening

Plays White · 3 lines

The Caro-Kann (Black)

Plays Black · 8 lines

The Scandinavian Defence

Plays Black · 4 lines

The Sicilian Najdorf

Plays Black · 4 lines

The Nimzo-Indian Defence

Plays Black · 5 lines

The Grünfeld Defence

Plays Black · 4 lines

The Queen's Indian Defence

Plays Black · 4 lines

The Pirc Defence

Plays Black · 4 lines

Queen's Gambit Declined (Black)

Plays Black · 7 lines

The King's Indian Defence (Black)

Plays Black · 7 lines

The Slav Defence (Black)

Plays Black · 6 lines

The French Winawer (Black)

Plays Black · 7 lines

The Sicilian Dragon (Black)

Plays Black · 6 lines

The Sicilian Taimanov (Black)

Plays Black · 5 lines

The Sicilian Scheveningen (Black)

Plays Black · 5 lines

The Old Indian Defence (Black)

Plays Black · 6 lines

The Sicilian Sveshnikov

Plays Black · 3 lines

The Berlin Defence

Plays Black · 3 lines

The Petroff Defence

Plays Black · 3 lines

The Alekhine Defence

Plays Black · 3 lines

The Benko Gambit

Plays Black · 4 lines

The Queen's Gambit Accepted

Plays Black · 3 lines

The Semi-Slav

Plays Black · 4 lines

The Modern Defence

Plays Black · 3 lines