Opening compass

A deliberately small explorer focused on plans, landmarks, and lines you can actually remember.

Practice vs AI
A00

Van't Kruijs Opening

Main line

e2e3

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A01

Nimzo-Larsen Attack

Main line

b2b3

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A02

Bird Opening

Main line

f2f4

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A04

Réti Opening

Main line

g1f3

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A10

English Opening

Main line

c2c4

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A20

English Opening

King's English

c2c4 e7e5

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A30

English Opening

Symmetrical

c2c4 c7c5

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A40

Queen's Pawn Game

Main line

d2d4

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A45

Trompowsky Attack

Main line

d2d4 g8f6 c1g5

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Build a repertoire

Choose one response to 1.e4, one to 1.d4, and a White system. We'll schedule spaced practice from there.

Save repertoire

Plans before branches

Each lesson starts with pawn breaks, good pieces, and common tactical ideas before asking you to remember moves.

Opening lessons