CrazyStone DeepLearning is a Go application that pairs deep neural networks with Monte Carlo Tree Search to offer strong, human-like AI opponents, training tools and both online and local play options. The app guides players through scalable practice sessions, certified tests and full game review workflows, presenting a polished interface that works on phones and tablets. CrazyStone DeepLearning is designed to be useful for beginners who need clear guidance as well as for experienced players who want a compact study and sparring tool.
Key features and gameplay
The core play experience centers on flexible board sizes (9x9, 13x13 and 19x19) and seventeen difficulty settings that cover a wide spectrum from beginner (15 kyu) to strong amateur (2 dan in the free lite build). You can play against the AI with configurable handicaps, watch computer-vs-computer games for pattern study, or enter ranked matches when connected online. The engine blends pattern recognition from deep learning with tree search planning, producing moves that emphasize sensible shape, tactical reading and long-term strategy rather than random play.
Controls and interface
Controls are built to match different play styles: pinch-to-zoom and Zoom mode for detailed reading, Cursor mode for precise move selection on small screens, and Touch mode for quick and natural interaction. Move animations are deliberately subtle to keep focus on the board and to speed up review sessions. Input methods are complemented by undo (available even while the AI is thinking), on-demand hints and an adjustable display of coordinates and move numbers to help learners follow sequences.
Progression, challenges and certification
The app includes a structured Rating Mode that records your game history and computes an IAGA-style rating as you play. Seventeen difficulty levels allow gradual progression; lower levels emphasize pattern drills and joseki-like problems while higher levels require longer tactical reading and strategic planning. Certified Dan/Kyu exams from the International AI Go Association (IAGA) are offered inside the app: when you pass a test you receive a certificate image and your achievement is added to your profile (registration required). This certificate path and the rating history give concrete milestones for improvement and goal setting.
Game records, review and replay value
CrazyStone DeepLearning supports SGF import and export so you can study games with other tools or share records with friends. The review interface allows automatic replay of full matches, manual step-through of variations, and copying game data to the clipboard for easy backup. Computer-vs-computer matches and a robust review workflow increase replay value: use them to observe opening trends, test specific positions, or create custom study sets from your own games.
Visual style, customization and accessibility
The visual design favors clarity: a minimal board presentation, readable stones and optional coordinate overlays keep distractions low during long study sessions. Board size and rule set (Japanese or Chinese scoring) are selectable per game, and several input and display options support players with different needs. These choices make the app accessible to a wide audience and help keep the learning curve manageable for newcomers while preserving depth for advanced users.
Offline play and user experience
Local play and offline study are fully supported: you can compete against the AI without an internet connection, run computer-vs-computer matches for pattern exploration, and work through stored SGF files on the go. Account registration is only required for online ranked matches and IAGA certification. The app saves game history locally for fast access and provides clear status messages when network features are unavailable, maintaining a consistent user experience both online and offline.
Premium features, limitations and version information
Free users of the lite build can reach up to 2-dan AI strength and access core training tools; premium members unlock up to 5-dan strength, an ad-free interface and expanded rating features for deeper practice. Note that some advanced features, including the highest AI levels and full Rating Mode, are available only to subscribers. Timed (Byoyomi) matches restrict selection of the computer level, and the subscription will renew automatically unless cancelled more than 24 hours before the end of the current period. Recent updates have tightened the integration between neural net evaluation and Monte Carlo Tree Search, improved online matchmaking stability and refined the review tools to make CrazyStone DeepLearning better for study and competitive practice.
