Checkmate Master vs Chess Grandmaster AI

Sharpen your tactical vision with Checkmate Master! Solve checkmate puzzles of increasing difficulty — from quick mate-in-one challenges to deep multi-move combinations — and test your skills against a smart AI opponent. KEY FEATURES: • Checkmate puzzles for every level — from 1-move checkmates to multi-move combinations • Smart AI engine — play against a native engine that defends to the last • Star ratings — earn stars by solving puzzles in the optimal number of moves • Puzzle browser — explore puzzles by difficulty and track your progress • Game modes — human vs human, human vs AI, or AI vs AI • Beautiful themes — a variety of board and piece themes • Sound effects — immersive move and capture sounds • Supports 8 languages Whether you have a minute or an hour, Checkmate Master trains your checkmate instincts one puzzle at a time. Download now and start solving! The images of chess pieces and the chess board are from https://github.com/Kadagaden/chess-pieces and are used under the CC-BY-4.0 license (https://github.com/Kadagaden/chess-pieces?tab=CC-BY-4.0-1-ov-file#readme).

Play chess offline, watch chess engines compete, and review completed games—all without creating an account. Chess Grandmaster AI is an offline chess practice and study app for iPhone and iPad. Choose a side and play against the built-in chess engine, or use Watch and Learn to observe both sides playing automatically. PLAY AND WATCH OFFLINE • Play locally against the computer • Choose White or Black • Watch engine-versus-engine games • Select from six AI strength levels • Adjust search depth and game options • Review move history and captured pieces • Use undo, restart, resign, and board-flip controls • Play with clocks, increments, and AI move pauses • Practice without an account or server connection LEARN WITH GAME REVIEW Premium Game Review helps you study a completed local game: • Inspect moves on an interactive review board • Navigate with First, Previous, Next, and Last • See move-quality and analysis-confidence labels • Review important alternatives and bounded lines • Compare result categories for White and Black • View a complete post-game summary • Share or print the review summary • Export optional diagnostics for a specific game • Replay another game with the same setup Review analysis runs locally on your device. Completed reviews are cached locally for faster reopening. Because the analysis uses bounded local search, positions that cannot be evaluated confidently are clearly marked Insufficient depth. SIX AI STRENGTHS Free: • Beginner • Club Premium: • Tournament • Master • Grandmaster • Maximum The stronger levels search deeper tactical lines and include improved capture safety, trade handling, repetition avoidance, promotion choices, and king-and-major-piece endgame conversion. MAKE THE BOARD YOURS Customize board themes, chess-piece styles, player avatars, music, move sounds, alerts, timers, display zoom, and other local settings. ONE-TIME PREMIUM UNLOCK Premium Unlock includes Game Review and all four premium AI strengths. It is a one-time, non-consumable purchase—not a subscription. Restore Purchases is included. PRIVATE AND OFFLINE-FIRST • No account or sign-in required • No advertising • No analytics or tracking • No chat or online matchmaking • Games, settings, and review analysis remain on your device unless you choose to share or export them An internet connection is needed only for purchasing or restoring Premium Unlock and opening external support or store-update pages. Chess Grandmaster AI is designed for chess entertainment, practice, and study. Local analysis and suggested alternatives are study guidance and do not guarantee perfect play.