About this app
Solve interactive chess positions on the board and find the correct continuation. Train tactics, mating patterns, and endgames. Choose the categories or motifs you want to practice, then set a puzzle Elo range or difficulty that fits your target session. Built for chess players from beginner through advanced. Practice familiar ideas such as forks, pins, skewers, discovered attacks, sacrifices, promotion, and zugzwang. Develop pattern recognition and calculation through focused puzzle practice.
Latest release
What’s New
This update includes bug fixes and performance improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 1:27 PM Free
Screenshots
