Chess Opener Lite Rate : 5.0

Explore chess openings, build your personal repertoire, and train specific variations.

Features

- Interactive opening tree with live game statistics

- Full Encyclopedia of Chess Openings (ECO) database

- Compare ECO recommendations with tree moves in any position

- Export your openings to PGN format

- Construct your personalized opening repertoire

- Add or edit comments on any move

- Automatically classify move sequences with the ECO system

- Opening explorer highlights moves from your repertoire

- Complete database with all transpositions

- Interactive trainer to memorize openings and variations

- Train multiple variations simultaneously against random moves from your repertoire

- Set any custom starting position for training

- Track your detailed training progress

- Customize chessboard colors and piece sets

- Full dark mode support

- Fully functional offline

Master popular openings like The Queen’s Gambit, The King’s Indian Defense, and many others!

CHESS OPENING EXPLORER

Search the Encyclopedia of Chess Openings or browse the opening tree. Swipe to switch between exploration tools in any position.

BUILD YOUR OPENING REPERTOIRE

Add your preferred lines to your repertoire using the explorer. Edit opening names and organize your repertoire as you like.

OPENING TRAINER

A streamlined method to memorize your repertoire’s variations. Train as White, Black, or both sides. Optionally train all variations at once with random opponent moves drawn from your repertoire. Track your progress with detailed statistics.

Upgrade to Chess Opener PRO for advanced features:

- Unlimited repertoire size

- Unlimited opening depth

- 6x larger opening tree with statistics

- Database of 100+ grandmaster repertoires

- Powerful chess engine analysis

- Import openings via PGN format