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Your personal opening book
Chessbook is the fastest way to build a bulletproof opening repertoire.
Try it for free
No signup required


Find the gaps in your repertoire before your opponents do
Chessbook calculates your coverage per opening so you always know what to work
on.

Pick the best moves to maximize your win-rate
Weigh up your options by looking at stats from master games, engine evaluation
and results at your level.
Only spend time on the moves you'll actually see
Most books and courses are written by masters for masters. Chessbook lets you
avoid obscure grandmaster lines and focus your effort on the moves that are
common at your level.

Targeted practice means you'll never forget a move
Chessbook uses spaced repetition,a scientifically proven technique to memorize
openings quickly and thoroughly.

Collect all your openings in one place
Nobody gets their whole repertoire from a single course or book. Chessbook lets
you combine openings from multiple sources to create a custom repertoire just
for you.

Learn middlegame plans for any opening
See how top players handle the positions that result from the openings you play.

Find mistakes in your online games
Connect your Chess.com or Lichess account to get instant feedback when you
deviate from your repertoire.

Play through model games that follow your repertoire
See how masters handle the openings you play and "guess the move" as you go.

Endorsed by masters, loved by adult improvers
“A great, free way to build your opening repertoire ... really smooth”
Nate Solon
FIDE Master
2422 USCF
“The best free chess websites? My picks: Lichess, OpeningTree, Chessbook”
Noël Studer
Grandmaster
2582 FIDE
"Absolutely amazing and unlike what anybody else has developed. It’s exactly
what I’ve wanted since I started playing seriously."
Jon Myers
Adult improver
1275 Chess.com
The only tool made for creating a custom opening repertoire

Create a custom repertoire
Train with spaced repetition
Find gaps automatically
Avoid obscure moves
Handle transpositions
Find mistakes in your games
Fast & modern interface
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Create a simple repertoire in minutes with our free starter plan.
Starter
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Build a repertoire of up to 200 moves.
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FREQUENTLY ASKED QUESTIONS


WHAT IS AN "OPENING REPERTOIRE"?

An opening repertoire is a set of pre-planned moves for the early part of a
chess game. A complete repertoire will include responses to all of the
opponent's potential moves during this phase of the game.


WHAT'S THE BENEFIT OF HAVING ONE?

Having a well constructed repertoire that fits with your style can be a huge
advantage. It can let you steer the game toward positions you are comfortable in
and enjoy playing, improving your results.


WHAT'S THE DIFFERENCE BETWEEN AN "OPENING REPERTOIRE" AND AN "OPENING"?

An opening repertoire consists of multiple openings to combat different moves by
the opponent. For example an e4 player will need to learn different openings to
deal with the Sicilian, French, Caro-Kann etc.


WHAT'S THE DIFFERENCE BETWEEN AN "OPENING" AND A "LINE"?

A line is a sequence of moves, one after another. An opening is made up of many
lines. For example, someone who plays the Sicilian Dragon will need to learn
many individual lines to master that opening.


I'M NEW TO CHESS, DO I NEED AN OPENING REPERTOIRE?

While having a solid repertoire becomes more important as you improve, even
beginners can benefit from having a simple opening repertoire that prepares them
for common moves at their level.


WHAT'S INVOLVED IN LEARNING A REPERTOIRE?

Learning a repertoire generally consists of choosing which openings and lines to
play, memorising specific sequences of moves and understanding why those moves
are played.

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