OpenChess: An Opening Explorer
Learn Chess Openings
About
Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.
What's New in OpenChess
1.03
June 9, 2025
Fixed bug not allowing purchase of Ruy Lopez opening.
In-App Purchases
$0.99
Tarrasch Defense Opening
Unlock Tarrasch Defense Opening
Developer apps
FAQ
What is OpenChess?
OpenChess is an application designed to help players learn and practice chess openings. It allows you to play against a computer that focuses on specific opening lines and provides detailed analysis of the position.
How does OpenChess help me learn openings?
You can choose to learn specific defenses like the Sicilian Defense or Queen's Gambit, or focus on openings starting with a particular move. The AI will only play lines within your selected category.
What kind of analysis does OpenChess provide?
The app offers insights into positional advantages for each piece type, piece value differences between colors, mobility scores, pawn structure analysis, and the total value of attacked and defended pieces.
Is the chess engine in OpenChess very strong?
The chess engine is not Stockfish and does not look very far ahead. It is designed to provide a decent base evaluation and explain the reasoning behind the current position's evaluation to the user.
What devices does OpenChess support?
OpenChess is available on iPhone, iPad, and iPod, making it accessible on a range of Apple mobile devices.
What is the age rating for OpenChess?
OpenChess has an age rating of 4+, making it suitable for a wide range of players interested in learning chess.
When was OpenChess last updated?
The latest version of OpenChess was updated on June 9, 2025, indicating ongoing development and support for the application.
Does OpenChess have ads?
No, OpenChess does not contain advertisements, providing an uninterrupted learning experience for users.
