StoneSong

Go looks simple — black and white stones on a grid — but every shape is a story. Learn how a group lives with two eyes, how a ladder chases a stone to the edge, and how territory and influence balance.

Level 1

Play on a real goban

Read the shape, place your stones, and find the move that lives or captures — the same learning as the iOS app, rebuilt for the browser.

Goban Studio Solve six life-and-death puzzles — two eyes, the ladder, the net, the snapback, the seki — on a real 9×9 board. Or open Free play to try captures and count territory with a friend. Reading Lab predict Before the board moves, predict whether a ladder captures the stone or lets it escape — then watch it play out and find out if you read it right. Read the shape Quick-fire: count a group's liberties, spot the stone in atari, find the capturing point. The reading skill that tsumego is built on. Review your misses The shapes you misread come back here on a spaced schedule — soon at first, then further apart each time you read them cleanly. Your own mistakes become your practice list.

Concept kits

Sixteen short rounds — from the board and liberties to life-and-death, territory, ko, good shape, and the endgame. Hints when you need them; your progress stays on this device.

1. The Board & Basics The Board & Basics · 25 questions 2. Liberties & Capture Liberties & Capture · 25 questions 3. Connecting & Cutting Connecting & Cutting · 25 questions 4. Eyes & Life Eyes & Life · 25 questions 5. Life & Death Life & Death · 25 questions 6. Territory Territory · 25 questions 7. Ko & Repetition Ko & Repetition · 25 questions 8. The Opening (Fuseki) The Opening (Fuseki) · 25 questions 9. Influence vs Territory Influence vs Territory · 25 questions 10. Good Shape Good Shape · 25 questions 11. Ladders & Nets Ladders & Nets · 25 questions 12. The Endgame (Yose) The Endgame (Yose) · 25 questions 13. Handicaps & Komi Handicaps & Komi · 25 questions 14. Etiquette & the Spirit of Go Etiquette & the Spirit of Go · 25 questions 15. Reading & Common Mistakes Reading & Common Mistakes · 25 questions 16. Putting It Together Putting It Together · 25 questions

Play together

Two ways to keep going — a same-device match with friends, or a trail through every kit. On-device only; nothing leaves this device.

Board Pass & Play (two players) Play a real game of Go against a friend on one device — take turns placing stones on the goban, capture, and count territory. No computer. Stone Duel (pass-and-play) 2–4 players take turns on one device — same questions for everyone, highest first-try score wins. Stone Quest — follow the map → A progression trail through every kit. Clear each stop of real practice, then move on.
StoneSong mascot

Meet the cast — the characters who teach this

Each one stands for an idea you’ll practice. Tap a character to read their illustrated story and hear their audio drama.

Explore all the stories →

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