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Joseki Encyclopedia

Latest lessons

23 interactive patterns

Play corner sequences directly on the board, explore alternative branches, and practice recognizing the shape with interactive questions.

Lesson 1

1. Star Point Kosumi-Tsuke

Identify the approach · Play the main line · Compare corner guards

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 2

2. Double Gun

Identify the starting position · Settle along the corner · Choose White 6

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 3

3. Star Point Attach and Press

Find the attachment · Play the shared sequence · Choose White 8

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 4

4. Star Point Pincers

Find the pincer · Settle after the invasion · Choose Black 7

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 5

5. Star Point Guard Responses

Compare corner guards · Guard from below · Compare the nail response

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 6

6. Star Point Three-Three Invasion I

Identify the 3-3 invasion · Build outside influence · Choose Black 7

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 7

7. Star Point Three-Three Invasion II

Extend on the outside · Settle with White F2 · Recognize the reversed colors

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 8

8. Star Point Special Approaches

Find the attachment · Connect the main line · Respond in the other direction

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 9

9. Komoku High Approach Attach and Retreat

Find the attachment · Play the main line · Compare hane and cut

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 10

10. Komoku Low Approach Diagonal Attachment

Find the diagonal attachment · Compare low and high extensions · Crawl along the edge

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 11

11. Komoku Small Diagonal and Small Knight

Choose the third move · Compare extension geometry · Consider when to enter the corner

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 12

12. Komoku Special Responses

Find the starting point · Choose the side extension · Compare the tiger mouth

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 13

13. Komoku One-Space Low Pincer

Choose how to respond · Jump out along the main line · Compare side shapes

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 14

14. Komoku One-Space High Pincer

Compare high and low pincers · Choose White's response · Explore another upward extension

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 15

15. Komoku Two-Space Pincers

Choose a high or low pincer · Explore three responses to the low pincer · Consider the full-board direction

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 16

16. Komoku Three-Space Low Pincer

Find the starting point · Play the eight-move core · Compare Black's supports

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 17

17. Komoku High Approach Classic Responses

Choose from five starting moves · Play the simple C6 line · Compare C6, D6 and C7

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 18

18. Komoku High Approach One-Space High Pincer

Find the starting point · Play the eight-move main line · Compare three blocking directions

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 19

19. Komoku High Approach One-Space Low Pincer

Find the starting point · Play the ten-move shape · Compare three blocking directions

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 20

20. Komoku High Approach Two-Space Pincers

Choose a high or low pincer · Start the high-pincer line · Extend upward or attach below

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 21

21. Three-Three Opening I

Open on the 3-3 point · Guard the corner in context · Choose White 4

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 22

22. Three-Three Opening II

Choose an approach point · Compare close approaches · Compare distant high and low approaches

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape
Lesson 23

23. Five-Five, Takamoku and Mokuhazushi

Compare three starting points · Explore the 5-5 opening · Explore close contact with takamoku

Level
Beginner / intermediate
Concepts
Starting positions · Variations · Shape