99. Black Advances the 7th-File Soldier (1)

"99. Black Advances the 7th-File Soldier (1)" is a opening record from Same-direction Cannons, 18 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	H2+3
5.	P7+1	P7+1
6.	R2+4	R9=4
7.	P3+1	P7+1 ×Soldier
8.	R2=3 ×Soldier	C5-1
9.	R3=6	R1+1
10.	C8=9	C2+2
11.	R9=8	R4+4 ×Chariot
12.	H7+6 ×Chariot	C2=7
13.	E3+1	R1=4
14.	H6-4	C7+2
15.	H4+3	E7+5
16.	+H+4+	C5=6
17.	R8+7	R4=3
18.	C9=7

Final position

10 moves

18 moves

Variations and alternative defences

The source manual records 8 variations. Each branch starts from the move number shown.

Variation 1, from move 13: 13. R8+7 C7+5+ 14. A4+5 C5=8 15. R8=7 E7+5 16. H3-2 Try it on the board
Variation 2, from move 14: R1=4 15. H6-4 R4+1 16. C5=7 Try it on the board
Variation 3, from move 10: 10. C5=6 H7+6 11. R6=4 R4+3 Try it on the board
Variation 4, from move 9: 9. H7+6 R4+1 10. C8=6 R4=6 11. R9=8 R1=2 12. R8+6 C2=1 13. R8+3 H3-2 14. H6+5 H7+6 15. R3+5 E3+5 16. R3-5 H2+4 17. H5-6 H6+4 18. R3=6 Try it on the board
Variation 5, from move 9: C5=7 10. R3=4 C2+3 11. R4+3 R4+4 12. R4=3 C7+6 13. C8=3 E7+5 14. R9=8 R1=2 15. C3=1 Try it on the board
Variation 6, from move 9: 9. C8=9 C5=7 10. R3=6 R4+4 11. H7+6 R1=2 12. E3+1 C2+3 13. H6+7 C2+4 14. H7-6 R2+7 15. H3-5 C2=4 16. R9+1 C4-3 17. P7+1 R2-2 Try it on the board
Variation 7, from move 10: R1+1 11. R9=8 C7+6 12. R8+7 C7=3 13. R6+4 R1=4 14. R8=7 Try it on the board
Variation 8, from move 7: R4+3 8. H3+4 R4=6 9. C8+2 Try it on the board

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