Build Your Complete Opening Repertoire

Create, organize, and master a personalized opening system. Our intuitive builder helps you construct a repertoire that fits your style.

1.e4e5c5e6Nf3Bc4Nf3Nc3SicilianItalianFrench

Unlimited variations

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Full coverage

PGN

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What is a Chess Repertoire?

A chess repertoire is your personal collection of opening lines—the moves you'll play against any response your opponent might choose. A well-built repertoire gives you confidence and direction from move one.

Pro Tip

Start with your main openings (1.e4 or 1.d4 as White, and responses to both as Black), then gradually expand to cover sidelines and transpositions.

Powerful Building Tools

Everything you need to create, organize, and maintain your opening preparation in one place.

Visual Move Tree

See your entire repertoire as an interactive tree. Navigate branches, identify gaps, and understand your coverage at a glance.

PGN Import & Export

Import existing repertoires from PGN files or export your work to use in other tools. Full compatibility guaranteed.

Annotations & Comments

Add notes to any position. Remember why you chose a line or highlight key ideas to reinforce during training.

Chapter Organization

Structure your repertoire into logical chapters. Separate your Sicilian from your e4 e5 lines for focused study.

Multiple Repertoires

Create separate repertoires for different openings, time controls, or playing styles. Keep everything organized.

Smart Suggestions

Get move suggestions based on master games and engine analysis to help you build a solid repertoire.

From Chaos to Clarity

Most players have opening knowledge scattered across books, videos, and old games. ChessAtlas brings it all together:

Import your existing games to see what you already play
Identify gaps where you lack prepared responses
Build out missing lines with our guided editor
Train your complete repertoire with spaced repetition

Start Building Your Repertoire

Whether you're starting fresh or organizing years of accumulated knowledge, we'll help you build a repertoire you can rely on.