Xuanxuan Qijing · Problem 35
Xuanxuan Qijing · Problem 35. Go, White to play. Study 9 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 · S17
This move captures 0 stones. After captures, the connected group containing the new stone has 1 stones and 2 liberties: S16, R17. 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 · S16
This move captures 0 stones. After captures, the connected group containing the new stone has 4 stones and 4 liberties: S15, R15, R17, Q15. 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 · Q15
This move captures 0 stones. After captures, the connected group containing the new stone has 6 stones and 9 liberties: R15, O15, O16, P18, O17, O14, P12, O13, Q13. 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 · R15
This move captures 0 stones. After captures, the connected group containing the new stone has 5 stones and 3 liberties: R14, S15, R17. Diagonal neighbours are not part of the same group. More than one liberty does not by itself establish life; examine the next move.
Understand this position
19 ranks × 19 files · 9 black stones · 11 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 (9 plies)
Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.
- White
S17 - Black
S16 - White
Q15 - Black
R15 - White
S14 - Black
S13 - White
R14 - Black
Q13 - White
R17