Joseki Encyclopedia · Lesson 21
Three-Three Opening I
Play the moves, compare branches, and practice recognizing the shape.
Lesson 21 · Three-Three Opening I
Three-Three Opening I
Explore the starting position, play each move on the board, and compare alternative branches.
Use the board, move controls or keyboard arrows to follow the lesson at your own pace.
Learning goals
- Open on the 3-3 point
- Guard the corner in context
- Choose White 4
Open on the 3-3 point
Does Black open on the 3-3 point, or does White invade a star point?
This variation is coming soon.
Setup: 1 stones · White to play
Play the variation
Click or tap an empty intersection to play the next move.
Use ← / → to step backward or forward. Each branch starts from its own position.
Stones and move list
Black (setup) C3