Preflight Playfilepreflight.com
HomePuzzle library
EN中文
← Back to collectionGo / Modern master games · Game replay

Shusaku historical game · 1847-04-02

1847-04-02 · Black won by resignation · Shusaku historical game · 1847-04-02. Go, Black to play, 1847-04-02. Study 103 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 · O3

This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: O2, O4, N3, P3. 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 (103 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 O3
  5. Black C16
  6. White Q15
  7. Black P5
  8. White M17
  9. Black O16
  10. White P13
  11. Black N15
  12. White Q10
  13. Black I17
  14. White K17
  15. Black I15
  16. White K15
  17. Black Q16
  18. White E16
  19. Black D14
  20. White H16
  21. Black I16
  22. White C17
  23. Black B17
  24. White D17
  25. Black B18
  26. White G14
  27. Black I13
  28. White K13
  29. Black G16
  30. White G17
  31. Black H15
  32. White E14
  33. Black D13
  34. White E13
  35. Black D12
  36. White C5
  37. Black L14
  38. White K14
  39. Black N12
  40. White H17
  41. Black I11
  42. White K11
  43. Black J9
  44. White N13
  45. Black O12
  46. White P12
  47. Black O13
  48. White M11
  49. Black M12
  50. White O14
  51. Black L12
  52. White K12
  53. Black G15
  54. White I18
  55. Black J18
  56. White H18
  57. Black J17
  58. White M9
  59. Black G12
  60. White D15
  61. Black C15
  62. White E12
  63. Black E11
  64. White G13
  65. Black H12
  66. White F18
  67. Black R15
  68. White C9
  69. Black O10
  70. White Q8
  71. Black R13
  72. White R12
  73. Black P9
  74. White Q9
  75. Black P7
  76. White K9
  77. Black J8
  78. White J10
  79. Black I10
  80. White L7
  81. Black Q7
  82. White Q13
  83. Black R14
  84. White R7
  85. Black R6
  86. White S8
  87. Black L3
  88. White E9
  89. Black L5
  90. White K6
  91. Black K5
  92. White J6
  93. Black D10
  94. White F11
  95. Black F12
  96. White F10
  97. Black F16
  98. White G19
  99. Black L17
  100. White L16
  101. Black L18
  102. White M18
  103. Black K18
Read the rules with worked examples →

More positions to explore