Chess Puzzle Sidebar

You're in a meeting, browsing, reading, waiting — and your brain is bored. Chess Puzzle Sidebar lives in your extension so you never have to open a new tab just to sharpen your tactics. One shortcut. Instant puzzle. Back to work in 60 seconds. (Or two hours. We don't judge.) Every puzzle is rated and curated — from sneaky mate-in-twos to brutal endgame studies. Solve one while your page loads. Tackle a combination between meetings. Train your pattern recognition without ever breaking your flow. What you get: ♟ Daily fresh puzzles — beginner to grandmaster difficulty ⚡ Zero-friction sidebar — no new tab, no app switching ↗️ Draw lines to help you analyze the game 💡Hints + full move-by-move analysis when you're stuck The best chess players don't wait for a chess app. They bring the board with them.