check: minimal chess

chess, without the clutter. check is a focused place to play, practice, and review chess. start a live game, challenge the computer, share one device, solve a quick tactic, or use the built-in clock at the board. PLAY YOUR WAY • Find players, send invites, and play live online games with real-time moves. • Take on Stockfish with four strength choices, from beginner to expert. • Play local chess with another person on the same device. • Leave a computer, local, or online game and resume it from the main screen. SHARPEN YOUR TACTICS • Solve 600 tactical positions across mate, best-move, material, and defense challenges. • Choose a difficulty from beginner through expert. • Ask for a hint when you need a nudge. REVIEW THE GAME • Turn on move ratings during computer games for immediate feedback. • Replay computer and local games move by move with concise notes. • Revisit the board position behind every move. BRING YOUR OWN CLOCK • Use a dedicated digital or analog chess clock for over-the-board games. • Start with bullet, blitz, and rapid presets, or create your own. • Choose sudden death, Fischer increment, Bronstein delay, or US delay. MAKE IT YOURS • Choose from monochrome and color board themes. • Use light or dark mode while keeping the board front and center. No ads. No clutter. Just chess.