100. Black Advances the 7th-File Soldier (2)

"100. Black Advances the 7th-File Soldier (2)" is a opening record from Same-direction Cannons, 20 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	R1+1
7.	R9+1	R1=4
8.	P3+1	R4+3
9.	C5=4	R9=6
10.	P3+1 ×Soldier	R4=7 ×Soldier
11.	H3+4	R6=4
12.	E3+5	C5=6
13.	H7+8	C2+5 ×Cannon
14.	C4=8 ×Cannon	C6+7 ×Advisor
15.	R2-3	R7=6
16.	H4-3	R4=6
17.	R2-1	C6-2
18.	C8=4 ×Cannon	+R+3 ×Cannon
19.	R2=4	+R+2+ ×Chariot
20.	H3-4 ×Chariot

Final position

10 moves

20 moves

Variations and alternative defences

The source manual records 5 variations. Each branch starts from the move number shown.

Variation 1, from move 7: 7. C8=9 C2+4 8. P3+1 P7+1 9. R2=3 H7+6 10. R3=4 R9=7 11. H7+8 R7+3 12. R9=8 C5=6 13. R8+3 C6+3 14. H3+4 R1=2 15. H4+6 H6-4 16. R8=6 R2+3 17. C9=6 E7+5 18. P5+1 Try it on the board
Variation 2, from move 16: P3+1 17. P7+1 R2+4 18. P7+1 Try it on the board
Variation 3, from move 11: 11. R4+1 R7+6 12. C5+4+ H3+5 13. C9=3 H5+4+ 14. R4=5 H4+6 15. R5+2+ E3+5 16. C3=4 H6-7 Try it on the board
Variation 4, from move 15: 15. R5-1 H6+7+ 16. K5+1 R1=6 Try it on the board
Variation 5, from move 10: 10. R9=8 C2=3 11. R3=4 H6-8 12. C5=6 R1=2 13. E3+5 R2+8 14. H7-8 R9=2 15. H8+7 R2+3 Try it on the board

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