Learn Chess Openings with Cat

Learn Chess Openings with Cat is a friendly chess opening trainer designed for beginners who want to understand openings, not just memorize moves.

A cute cat guide explains the ideas behind each move, helping you learn why the move matters, what square it controls, and what plan each side is aiming for.

You can study popular chess openings step by step, then test yourself by choosing the correct moves on the board. Both White-side and Black-side practice are supported, so you can learn the same opening from both perspectives.

Features:

- Learn popular chess opening lines
- Cat-style commentary for beginners
- Practice as White or Black
- Learning mode and test mode
- Tap or drag pieces to move
- Highlighted squares for easier understanding
- Progress tracking for each opening
- 3-lives test mode for repeat practice
- Japanese and English language support
- Free openings included, with optional paid unlocks

Included openings:
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Indian Game: Queen’s Gambit Declined, Tartakower Defense
Open Game: Ruy Lopez, Closed, Chigorin Defense
Semi-Slav Defense: Anti-Moscow Gambit
French Defense: Winawer Variation, Warsaw Variation
Caro-Kann Defense: Advance Variation, Short Variation
English Opening: Agincourt Defense, Neo-Catalan Declined
King’s Indian Attack: Yugoslav Variation
Scandinavian Defense: Main Line, Mieses Variation
Pirc Defense: Austrian Attack, Weiss Variation
This app is ideal if:

You are new to chess openings
You often forget opening moves
You want to understand the purpose behind each move
You want to practice both White and Black plans
You prefer a calm, simple, and friendly learning experience
Start with the free openings and build your opening knowledge one move at a time.

References

Kasparov, Garry, and Raymond Keene. Batsford Chess Openings 2. 1989. ISBN 0-8050-3409-9.
Nunn, John, Graham Burgess, John Emms, and Joe Gallagher. Nunn’s Chess Openings. 1999. ISBN 1-8574-4221-0.
Panov, Vasily. Teoría de Aperturas, Tomo I: Aperturas Abiertas - Aperturas Semiabiertas. 1973. ISBN 84-270-0132-0.
Schiller, Eric. Standard Chess Openings. 2002. ISBN 1-58042-048-6.
de Firmian, Nick. Modern Chess Openings. 15th ed., Random House, 2008. ISBN 0-8129-3682-5.

Recent changes:
Minor improvements and bug fixes.
Enjoy a smoother experience while learning chess openings.