Play Go vs the computer with a coach who explains every move. 600 problems
Cờ Vây Có Thầy – learn Go (Baduk / Weiqi) against the computer, with a coach at your side.
The computer doesn't just play you: after every move, your coach grades it, explains why it was good or bad and how many points it cost, and shows a better move. You see where you went wrong and improve faster.
⚫ PLAY THE COMPUTER – KATAGO ENGINE
• 9×9, 13×13 and 19×19 boards
• 8 levels, from beginner (~25 kyu) to strong amateur dan (~6 dan)
• Handicap games with 2–9 stones – either side
• No sign-in needed
👨🏫 COACHED EVERY MOVE
• Move grades: Brilliant · Standard move · Good · Inaccuracy · Mistake · Blunder
• Clear reasons: stones under attack, self-atari, missed attacks, lost territory…
• Warning before you play: tap once to preview, your coach warns you if it's dangerous
• Two-step hints, takebacks
• Score estimate at any time; automatic counting at the end
📈 GAME ANALYSIS
• Accuracy, score-lead chart, key moments
• Replay with your coach's comments, play on from any position
• Share games as SGF or as a board image
📒 MISTAKE NOTEBOOK & DAILY PRACTICE
• Positions you got wrong come back for review at the right time
• Today's practice: review + problem of the day + problems at your level (~8 minutes)
• Weekly practice streak with rest days
🧩 600 PROBLEMS: captures, ladders, nets, snapbacks, escapes, capturing races, life and death – 5 difficulty levels
📖 Basics: rules, liberties, eyes, ko, ladders, scoring
Languages: English, Tiếng Việt, 中文, 日本語. Engine: KataGo (MIT license). Free, with ads.
Що нового
• Play Go vs the computer (KataGo) on 9×9, 13×13, 19×19 – 8 levels, handicaps.
• Your coach grades and explains every move, shows better ones, warns before risky stones.
• Score estimate any time; automatic counting at the end.
• Mistake notebook with spaced review.
• Daily practice: review, today's problem, problems at your level.
• 600 capture, ladder, net and life-and-death problems.
• Basics lessons, game analysis, titles, streak. English, Tiếng Việt, 中文, 日本語.