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Shusaku historical game · 1847-02-04

1847-02-04 · Black won by resignation · Shusaku historical game · 1847-02-04. Go, Black to play, 1847-02-04. Study 55 reference plies, try both sides and branch from the replay.

0 pliesBlack starts

Site coordinates run A–S left to right and 1–19 top to bottom; A1 is the top-left intersection.

Read the position, one decision at a time

Try the position first, then open the notes. They explain measurable changes in the reference, not every possible variation.

Reveal step-by-step explanations

1. Black · Q4

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: Q3, Q5, P4, R4. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

2. White · D3

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: D2, D4, C3, E3. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

3. Black · P17

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: P16, P18, O17, Q17. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

4. White · E17

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: E16, E18, D17, F17. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.

Continue with the learning path →

Understand this position

19 ranks × 19 files · 0 black stones · 0 white stones

Replay a few moves before advancing to the end. At each pause, compare the last position with the next one: which lines opened, which groups connected, and which points became contested? Use “Start new trial here” to investigate an alternative, then return to the reference.

Read the reference line (55 plies)

Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.

  1. Black Q4
  2. White D3
  3. Black P17
  4. White E17
  5. Black C16
  6. White Q15
  7. Black O3
  8. White N16
  9. Black P15
  10. White P14
  11. Black O15
  12. White Q16
  13. Black O17
  14. White Q17
  15. Black K17
  16. White I17
  17. Black C5
  18. White E4
  19. Black Q9
  20. White D6
  21. Black C7
  22. White C13
  23. Black D15
  24. White C10
  25. Black D7
  26. White C18
  27. Black E14
  28. White E10
  29. Black G17
  30. White F16
  31. Black G16
  32. White F15
  33. Black I16
  34. White F14
  35. Black D12
  36. White C12
  37. Black F13
  38. White G13
  39. Black F12
  40. White C4
  41. Black E6
  42. White H14
  43. Black G12
  44. White I13
  45. Black I12
  46. White J12
  47. Black I11
  48. White J17
  49. Black J16
  50. White K18
  51. Black J18
  52. White K16
  53. Black L17
  54. White I18
  55. Black L18
Read the rules with worked examples →

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