Chess Trainer (Pro)

Chess Trainer PRO is a versatile chess training tool intended for tournament players for building chess opening repertoires and offer the most effective way in training openings. It can also be used in training tactics, strategies and endgames via building topic repertoire manually or by PGN import to topic.

This app is also intended for people who know how to play chess in general but want to improve their play. When you load a PGN file with annotated games, it will serve as a tool to present to you in a fashion as if watching a chess video tutorial capable of showing colored graphical arrows, dots and squares along with audible NAG's and commentaries. Just a clue, many sites giveaway free annotated games in PGN files are compatible to use with this app.

This app can also be used to just enjoy playing chess against the chess engine with 100 levels of playing strength to match your own strength or play with your friend on the same device. You can even set your own opening repertoire as opening book when playing with the engine.

OPTION: Before buying, try the free version.

LINK: https://play.google.com/store/apps/details?id=com.ayelmarc.chessorm

Main App Features:

♞ 100% ad-free and offline.
♞ Build and organize chess openings through folder hierarchy.
♞ Built-in Encyclopedia of Chess Openings (ECO) that shows opening name in every move.
♞ Ability to backup and restore main database.
♞ Support any UCI chess engines and remote chess engines (Stockfish 11 is built-in).
♞ Customize app theme, chessboard color and texture.
♞ Included 4000 super grand masters' chess games (SuperGM_Games.pgn) and 36 annotated games (Immortal_Games.pgn).
♞ Excellent chess theory book companion.
♞ Best for reviewing annotated games in PGN files through integrated PGN viewer/editor.
♞ Guess the move feature in PGN mode.
♞ Check game against your repertoire feature.
♞ Analyze your online games through the built-in chess engine.
♞ Listen to comments through your device's speech engine.
♞ Ability to move pieces via drag and drop.
♞ Ability to create colored arrows and squares on the chess board.
♞ Ability to import/export PGN files to/from your repertoire including nags, comments and variation lines.
♞ Ability to handle transpositions in your opening repertoire
♞ Ability to train randomly or sequentially either from starting board position or from anywhere in your opening tree.
♞ Ability to demo or preview line in training before trying the moves.
♞ Multi-language support

Basic user's guide video: https://youtu.be/8w7HyscsST8

Give this app 5-star rating and a positive review to inspire us to keep up on improving it.

Happy chess training!

Recent changes:
Version 3.29.98-PRO
♞ Fixed internal engine error
♞ Ability to continue playing the line against the engine when in Train mode
♞ Shows engine position evaluation on the top left corner of the board.
♞ Ability to resize buttons' size of main interface in Settings.
♞ Added board setup menu option in Prepare Mode to enable user to experiment with moves before committing them in the repertoire.
♞ More bug fixes

Happy chess training!