Guanzi Pu · Study 9
Guanzi Pu · Study 9. Go, White to play. Study 8 reference plies, try both sides and branch from the replay.
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. White · P19
This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 2 liberties: O19, Q19. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.
2. Black · M18
This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 4 liberties: M17, M19, L18, N18. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.
3. White · N19
This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 3 liberties: N18, M19, O19. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.
4. Black · O19
This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 1 liberties: O18. Diagonal neighbours are not part of the same group. The resulting group is in atari.
Understand this position
19 ranks × 19 files · 9 black stones · 12 white stones
Count the liberties of each connected group, not the empty points next to just one stone. Orthogonal contact connects; diagonal contact does not. Try your move, count captures and recount the resulting group’s liberties before comparing the reference.
Read the reference line (8 plies)
Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.
- White
P19 - Black
M18 - White
N19 - Black
O19 - White
O18 - Black
M19 - White
Q19 - Black
J19