72. Black Advances the 7th-File Soldier

"72. Black Advances the 7th-File Soldier" is a opening record from Same-direction Cannons, 17 moves long. The move list below marks every check and capture, and the variations from the source book are listed after it.

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Pieces on the board

Red has a General, 2 Advisors, 2 Elephants, 2 Chariots, 2 Horses, 2 Cannons, 5 Soldiers. Black has a General, 2 Advisors, 2 Elephants, 2 Chariots, 2 Horses, 2 Cannons, 5 Soldiers.

Move list

1.	C2=5	C8=5
2.	H2+3	H8+7
3.	R1=2	R9+1
4.	H8+7	R9=4
5.	A6+5	P7+1
6.	R2+4	H2+3
7.	P7+1	H7+6
8.	C8+4	A4+5
9.	P3+1	C5=7
10.	C8=5+ ×Soldier	H3+5 ×Cannon
11.	C5+4+ ×Horse	C2=5
12.	E7+5	R4+2
13.	C5-1	R1=2
14.	H3+4	R4=5
15.	C5+2+ ×Cannon	E3+5 ×Cannon
16.	P3+1 ×Soldier	E5+7 ×Soldier
17.	R9=6

Final position

10 moves

17 moves

Variations and alternative defences

The source manual records 6 variations. Each branch starts from the move number shown.

Variation 1, from move 14: 14. R9=6 R4=5 15. C5+2+ E3+5 16. H7+6 H6+4 17. R6+4 Try it on the board
Variation 2, from move 12: 12. P3+1 R4+2 13. C5-2 R1=2 14. R2=4 H6+4 15. H7+6 R4+2 16. H3-1 K5=4 17. R4-1 C5+4+ 18. R4=5 C7=5 Try it on the board
Variation 3, from move 8: 8. P3+1 C5=7 9. H3+4 H6+4 10. H7+6 R4+4 11. H4+5 H3+5 12. C5+4 P7+1 13. R2-4 R4+1 14. E7+5 R4=5 15. C8+4 C2=1 16. R9=6 P3+1 17. R2+6 R1=2 18. R6+6 R2+2 19. P7+1 Try it on the board
Variation 4, from move 8: 8. R2=4 R4+3 9. P5+1 H6+4 10. P5+1 H4+5 11. C8=5 P5+1 12. R9=8 C5+5+ 13. E3+5 R1=2 14. R8+6 E3+5 15. R4+1 C2=1 16. R8=7 R2+2 17. H3+5 R4+2 18. R4=5 Try it on the board
Variation 5, from move 14: C2=1 15. R8=7 R2+2 16. P7+1 Try it on the board
Variation 6, from move 9: H6-4 10. E7+9 R4+2 11. R9=6 Try it on the board

← Previous puzzle: 71. Black Develops the Edge Horse Next puzzle: 73. Red's River-Patrol Chariot and Standard Advisor →

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