Lanke Shenji · Study 9
Lanke Shenji · Study 9. Xiangqi (Chinese chess), Red to play. Study 15 reference plies, try both sides and branch from the replay.
Site coordinates run A–I left to right and 1–10 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. Red soldier · C2 → C1
The destination was empty. It gives check. The defender has 1 legal replies in this position; inspect the actual reply before assuming a win. Before this move the same piece had 2 legal destinations; other legal moves are not thereby proved equally strong.
2. Black horse · B3 → A1
It captures the cannon. Its horse-leg point B2 is empty; a piece there would block this jump. It does not give check. The opponent has 24 legal replies; compare piece coordination rather than counting checks alone. Before this move the same piece had 1 legal destinations; other legal moves are not thereby proved equally strong.
3. Red soldier · C1 → D1
The destination was empty. It gives check. The defender has 1 legal replies in this position; inspect the actual reply before assuming a win. Before this move the same piece had 2 legal destinations; other legal moves are not thereby proved equally strong.
4. Black general · E1 → F1
The destination was empty. It does not give check. The opponent has 24 legal replies; compare piece coordination rather than counting checks alone. Before this move the same piece had 1 legal destinations; other legal moves are not thereby proved equally strong.
Understand this position
10 ranks × 9 files · 9 red pieces · 9 black pieces
Before moving, locate both generals and check open files, cannon screens and blocked horse legs. Try a legal move on the board, then examine the reply rather than assuming the first check wins. The reference is one continuation to compare, not an evaluation of every possible branch.
Read the reference line (15 plies)
Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.
- Red soldier
C2 → C1 - Black horse
B3 → A1 - Red soldier
C1 → D1 - Black general
E1 → F1 - Red cannon
C8 → C1 - Black general
F1 → F2 - Red horse
I5 → G4 - Black general
F2 → F3 - Red soldier
H3 → G3 - Black general
F3 → F2 - Red soldier
G3 → G2 - Black general
F2 → F3 - Red cannon
C1 → C3 - Black elephant
G5 → E3 - Red horse
G4 → E5