Lanke Shenji · Study 5
Lanke Shenji · Study 5. Xiangqi (Chinese chess), Red to play. Study 25 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 · D4 → D3
It captures the advisor. 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 3 legal destinations; other legal moves are not thereby proved equally strong.
2. Black general · E3 → D3
It captures the soldier. It does not give check. The opponent has 15 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 · D5 → D4
The destination was empty. It gives check. The defender has 2 legal replies in this position; inspect the actual reply before assuming a win. Before this move the same piece had 3 legal destinations; other legal moves are not thereby proved equally strong.
4. Black general · D3 → D2
The destination was empty. It does not give check. The opponent has 16 legal replies; compare piece coordination rather than counting checks alone. Before this move the same piece had 2 legal destinations; other legal moves are not thereby proved equally strong.
Understand this position
10 ranks × 9 files · 6 red pieces · 8 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 (25 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
D4 → D3 - Black general
E3 → D3 - Red soldier
D5 → D4 - Black general
D3 → D2 - Red soldier
D4 → D3 - Black general
D2 → D1 - Red soldier
D3 → D2 - Black general
D1 → E1 - Red soldier
D2 → D1 - Black general
E1 → F1 - Red soldier
D1 → E1 - Black general
F1 → F2 - Red soldier
F4 → F3 - Black general
F2 → F3 - Red soldier
F5 → F4 - Black general
F3 → F2 - Red soldier
F4 → F3 - Black general
F2 → F3 - Red chariot
D9 → F9 - Black general
F3 → E3 - Red chariot
F9 → F10 - Black cannon
G9 → D9 - Red chariot
F10 → F2 - Black cannon
D9 → D3 - Red chariot
F2 → G2