Just you, your Elo, and endless tactical positions. No accounts, no social features, no distractions. Move pieces, solve puzzles, watch your rating climb. Every correct move boosts your Elo. Every mistake drops it. That's it. How it works: - One number: your puzzle rating - One board: endless tactical positions - One goal: climb higher No buttons, no menus, no complexity. The board rotates automatically to show which side you're playing. Features: - Hundreds of thousands of curated chess puzzles - Minimal interface: just your rating and the board - Real-time Elo rating system - Personal best tracking with crown indicator - Instant feedback and progression - Works offline Perfect for chess players who want to sharpen their tactical vision without the bloat. No tutorials, no hand-holding - just pure puzzle solving. Download, start grinding, get better.