43. Red's River-Patrol Cannon (2)

"43. Red's River-Patrol Cannon (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	R9=4
5.	P3+1	H2+3
6.	P7+1	R1+1
7.	C8+2	R4+5
8.	E7+9	R1=4
9.	A6+5	P3+1
10.	P7+1 ×Soldier	+R=3
11.	C8=7	R3+1 ×Horse
12.	R9=8	R4+4
13.	C7+3 ×Horse	R3-3 ×Soldier
14.	C7=3 ×Horse	C2=7 ×Cannon
15.	C5+4+ ×Soldier	C5+4+ ×Soldier
16.	H3+5 ×Cannon	R4=5
17.	R8+6	R5+1 ×Horse
18.	R2+7	R3-2
19.	R8=6	R3=2
20.	E9-7

Final position

10 moves

20 moves

Variations and alternative defences

The source manual records 9 variations. Each branch starts from the move number shown.

Variation 1, from move 13: 13. P7+1 R3=1 14. C7+3 R4=7 15. C7=3 C2=7 16. C5+4+ C5+4+ 17. H3+5 R7=5 18. P7=6 R5+1 Try it on the board
Variation 2, from move 17: R7=8 18. H5+4 R8+4 19. H4+3 R8-7 20. R8+7 Try it on the board
Variation 3, from move 10: 10. R2+5 P3+1 11. R2=7 H3+4 12. R7-1 C2=3 13. C5=6 C3+5 14. C6+3 +R-2 15. R7-2 +R=2 16. C8=5 C5+3 17. P5+1 P7+1 18. P3+1 R2=7 Try it on the board
Variation 4, from move 13: 13. C8+5 -R=2 14. C8=9 R4=3 Try it on the board
Variation 5, from move 10: P5+1 11. P7+1 P7+1 12. R2=3 H3+5 13. R3+1 +R=3 14. C8=7 E3+1 15. R9=7 H5+3 16. P3+1 Try it on the board
Variation 6, from move 12: 12. R2-1 +R=3 13. R9=7 H3+5 14. C8=7 E3+1 15. P3+1 H5+7 16. R2=3 -H+5 Try it on the board
Variation 7, from move 10: +R=3 11. R2=7 R4+1 12. R9=7 E3+1 13. +R+1 C5-1 14. H3+4 C5=3 15. +R=8 C2+3 16. R8-2 H3+4 17. H4+6 R4+2 18. R8+3 Try it on the board
Variation 8, from move 11: 11. R9=7 P3+1 12. R2=7 H3+4 Try it on the board
Variation 9, from move 9: 9. R2+5 +R=3 10. R9=7 R4+6 11. H7-9 R3+3 12. H9-7 R4=1 Try it on the board

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