Checkmate Master vs Doctor Chess

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).

Doctor Chess brings the full FIDE rule set to your phone and tablet — castling, en passant, promotion, threefold repetition, the 50-move rule, and insufficient material draws are all enforced. • Single player — local pass-and-play plus five AI tiers (Beginner / Intermediate / Advanced / Expert / Master) • Master tier uses iterative-deepening alpha-beta search with quiescence, null-move pruning and late-move reduction • Online 1v1 — turn-based matches via Apple Game Center, no sign-up required • Friend invites through the system Game Center picker • OS-native leaderboards and achievements • 40 languages — Korean, English, Japanese, Chinese (Simplified/Traditional), Spanish, French, German, Italian, Portuguese, Russian, Vietnamese, and many more • Tap or drag to move, automatic promotion dialog, last-move highlight, legal-move dots No sign-up. No ads. No tracking. No in-app purchases.