Lu Qin vs Xu Yinchuan · 2000-01-15
2000-01-15 · Black won · Lu Qin vs Xu Yinchuan · 2000-01-15. Xiangqi (Chinese chess), Red to play, 2000-01-15. Study 122 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 cannon · H8 → E8
The destination was empty. It does not give check. The opponent has 45 legal replies; compare piece coordination rather than counting checks alone. Before this move the same piece had 12 legal destinations; other legal moves are not thereby proved equally strong.
2. Black horse · H1 → G3
The destination was empty. Its horse-leg point H2 is empty; a piece there would block this jump. It does not give check. The opponent has 35 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.
3. Red horse · H10 → G8
The destination was empty. Its horse-leg point H9 is empty; a piece there would block this jump. It does not give check. The opponent has 42 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.
4. Black chariot · I1 → H1
The destination was empty. It does not give check. The opponent has 34 legal replies; compare piece coordination rather than counting checks alone. Before this move the same piece had 3 legal destinations; other legal moves are not thereby proved equally strong.
Understand this position
10 ranks × 9 files · 16 red pieces · 16 black pieces
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 (122 plies)
Coordinates match this board: letters left to right, row numbers from top to bottom. These are board coordinates, not traditional score notation.
- Red cannon
H8 → E8 - Black horse
H1 → G3 - Red horse
H10 → G8 - Black chariot
I1 → H1 - Red soldier
C7 → C6 - Black cannon
H3 → I3 - Red horse
B10 → C8 - Black chariot
H1 → H6 - Red soldier
E7 → E6 - Black cannon
B3 → E3 - Red horse
C8 → E7 - Black horse
B1 → C3 - Red cannon
B8 → C8 - Black chariot
A1 → B1 - Red soldier
C6 → C5 - Black soldier
G4 → G5 - Red soldier
C5 → C4 - Black horse
C3 → E2 - Red soldier
G7 → G6 - Black chariot
H6 → H5 - Red soldier
E6 → E5 - Black soldier
E4 → E5 - Red horse
E7 → C6 - Black cannon
E3 → E8 - Red elephant
C10 → E8 - Black soldier
G5 → G6 - Red horse
C6 → B4 - Black chariot
B1 → B3 - Red cannon
C8 → B8 - Black chariot
B3 → D3 - Red chariot
A10 → C10 - Black cannon
I3 → I2 - Red chariot
I10 → I9 - Black soldier
E5 → E6 - Red soldier
C4 → C3 - Black chariot
D3 → C3 - Red chariot
I9 → D9 - Black chariot
H5 → B5 - Red horse
B4 → D3 - Black chariot
C3 → D3 - Red chariot
D9 → D3 - Black chariot
B5 → B8 - Red chariot
C10 → C7 - Black horse
G3 → E4 - Red chariot
C7 → C4 - Black horse
E2 → G3 - Red chariot
C4 → C1 - Black advisor
F1 → E2 - Red chariot
D3 → D7 - Black horse
E4 → G5 - Red chariot
C1 → C5 - Black elephant
G1 → E3 - Red chariot
C5 → E5 - Black horse
G3 → E4 - Red chariot
E5 → F5 - Black soldier
G6 → G7 - Red chariot
D7 → G7 - Black cannon
I2 → G2 - Red elephant
E8 → G6 - Black horse
G5 → F3 - Red elephant
G6 → E8 - Black horse
E4 → G5 - Red elephant
E8 → G6 - Black horse
G5 → I6 - Red chariot
G7 → H7 - Black horse
I6 → H4 - Red chariot
F5 → F4 - Black chariot
B8 → G8 - Red elephant
G6 → E8 - Black soldier
A4 → A5 - Red chariot
H7 → H5 - Black soldier
E6 → E7 - Red chariot
F4 → E4 - Black soldier
E7 → E8 - Red elephant
G10 → E8 - Black elephant
E3 → G1 - Red chariot
H5 → A5 - Black chariot
G8 → G7 - Red soldier
A7 → A6 - Black cannon
G2 → I2 - Red elephant
E8 → G10 - Black general
E1 → F1 - Red elephant
G10 → I8 - Black chariot
G7 → G8 - Red chariot
A5 → H5 - Black chariot
G8 → I8 - Red chariot
E4 → G4 - Black general
F1 → E1 - Red soldier
A6 → A5 - Black chariot
I8 → I7 - Red soldier
A5 → A4 - Black chariot
I7 → I5 - Red chariot
H5 → H6 - Black chariot
I5 → E5 - Red advisor
F10 → E9 - Black soldier
I4 → I5 - Red soldier
A4 → A3 - Black cannon
I2 → I4 - Red chariot
G4 → G8 - Black horse
H4 → F5 - Red chariot
H6 → H5 - Black cannon
I4 → C4 - Red chariot
G8 → C8 - Black horse
F5 → E7 - Red chariot
H5 → E5 - Black horse
F3 → E5 - Red chariot
C8 → C7 - Black soldier
I5 → I6 - Red soldier
A3 → B3 - Black horse
E7 → G6 - Red general
E10 → F10 - Black soldier
I6 → H6 - Red soldier
B3 → C3 - Black cannon
C4 → F4 - Red general
F10 → E10 - Black general
E1 → F1 - Red advisor
E9 → F10 - Black horse
G6 → F8 - Red general
E10 → E9 - Black horse
E5 → D7 - Red general
E9 → E8 - Black horse
F8 → E6