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♜ The Library

Everything worth studying, in one place: opening guides — how to play and how to beat every major opening — and study guides for all 108 Academy lessons. Every move line is engine-verified. When you're ready to make the moves yourself, the interactive Academy is one click away.

Opening Guides (21 openings · play it & beat it)

Italian Game

ECO C50

The oldest recorded opening in chess — rapid development aimed straight at Black's weakest square, f7.…

Ruy Lopez (Spanish Opening)

ECO C60

The most studied opening in history: White pressures the knight that defends e5 and plays for a long-term positional gri…

Sicilian Defense

ECO B20

Black's most popular and highest-scoring reply to 1. e4 — an asymmetrical fight where Black plays for the win from move …

Sicilian Najdorf

ECO B90

The Rolls-Royce of openings — Fischer's and Kasparov's weapon of choice, where 5…a6 prepares total queenside expansion.…

French Defense

ECO C00

Black builds a granite pawn chain and strikes back at the center with …d5 — solid, strategic, and famously stubborn.…

Caro-Kann Defense

ECO B10

The French's sturdier cousin: Black supports …d5 with the c-pawn, keeping the light-squared bishop free — solid enough f…

Queen's Gambit

ECO D06

Not really a gambit — White offers a pawn to deflect Black's d5 pawn and claim the entire center. The backbone of classi…

London System

ECO D02

The internet era's favorite opening: one reliable setup against everything — solid, low-theory, and quietly venomous.…

King's Indian Defense

ECO E60

Black concedes the center on purpose, then detonates it: the KID produces the most violent kingside attacks in chess.…

Scholar's Mate (and Stopping It)

ECO C20

The four-move checkmate every beginner meets: Qh5 and Bc4 gang up on f7. Easy to attempt, trivial to refute — and refuti…

Fried Liver Attack

ECO C57

White sacrifices a full knight on f7 to drag Black's king into the open — one of the most fearsome weapons at club level…

Scandinavian Defense

ECO B01

Black challenges the center on move one and takes White out of mainstream theory immediately — simple plans, quick devel…

King's Gambit

ECO C30

The romantic era's crown jewel: White offers the f-pawn to rip open the f-file and attack before Black finishes breakfas…

Pirc Defense

ECO B07

Black invites White to build a big center, then attacks it with pieces — a hypermodern counterpuncher's dream.…

English Opening

ECO A10

The flank strategy: White controls d5 from the side, keeps every structure option open, and steers into favorable Sicili…

Dutch Defense

ECO A80

Black stakes the kingside immediately — the Dutch fights for e4 and dreams of the same attack the KID delivers, one move…

Evans Gambit

ECO C51

White bribes the Italian bishop with a pawn to build the perfect center with tempo — Kasparov revived it; club players f…

Smith-Morra Gambit

ECO B21

Anti-Sicilian venom: White gives a pawn for open c- and d-files and pieces that arrive three moves early to the fight.…

Budapest Gambit

ECO A51

Black counter-gambits against the Queen's pawn on move two — active pieces, nasty traps, and positions White never studi…

Stafford Gambit

ECO C42

The internet's trap factory: objectively dubious, practically lethal — Black gives a pawn for open lines and a minefield…

Vienna Game

ECO C25

The improved King's Gambit: White prepares f4 with a piece developed first — flexible, aggressive, and far less studied …

Lesson Guides (all 108 Academy lessons)

Study the ideas here — then do every one interactively in the Academy.

Piece Drills (24)

Rules & Special Moves (10)

Checkmate Patterns (16)

Tactics (18)

Openings (16)

Openings are taught by playing the line move by move, so these open directly in the Academy rather than as a reading page.

Endgames (12)

Strategy (12)

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