Go Lab: AI Baduk KataGo Engine

Play, review, and explore. A KataGo Go app supporting 9x9, 13x13, and 19x19 boards. [Powered by KataGo] OGS spectating and play supported In addition to the bundled compact b6c96 model, the lineup includes the powerful b18c384nbt and the HumanSL model trained on human games. Available at no extra charge. b18c384nbt runs on CoreML and shines in 19x19 games and analysis, supporting everything from in-game candidate moves and position display to post-game blunder analysis reports. HumanSL lets you play against opponents close to your own strength, from 20 kyu to 9 dan, and switch between modern and classic (pre-AlphaGo) playing styles. Key Features - CPU matches and local two-player games: Works offline. - Dead stone confirmation screen: AI suggests dead stones at the end of the game. Tap stones on the board to correct life/death, and adjust AI sensitivity with a slider. - Candidate move display: Shows KataGo's top 10 moves in real time with win rate and position estimates. - Position graph: Displays the evolving position after each move. - Territory prediction: Shows black and white territory on the board (toggle on/off). - Blunder analysis report: Review moves that worsened your position after the game. Lists AI-recommended moves, variations, and score/win-rate differences for each position, and allows copying and sharing as images. - Analysis mode: Create branches by playing variations from any position. Supports adding PVs (principal variations) and comparing positions in the analysis tree. - Zen mode: Quietly fades out all UI except the board so you can focus on the game. Toggle from the Zen button at the upper right of the board. - OGS spectating and play: Log in with an OGS account to watch games worldwide in real time, or play against players and bots. - SGF import: Import game records by file selection or text paste. - Tsumego mode: Includes 347 problems from Gengen Gokyo. - Thinking time visualization: Shows thinking time for each move. Long thinks are highlighted in red and yellow. - Fullscreen support: Play with an edge-to-edge board (ideal for 19x19). Official Website: https://apps.vlabos.com/go/