20. Red Develops the Right Horse (3)

"20. Red Develops the Right Horse (3)" 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	R9=4
5.	P3+1	H2+1
6.	H3+4	C2=3
7.	R9=8	R1=2
8.	C8+4	R4+6
9.	R8+2	A4+5
10.	R2+5	C5+4+ ×Soldier
11.	A6+5	C5-1
12.	R2=8	K5=4
13.	+R-1	P5+1
14.	H4+3 ×Soldier	R4-3
15.	P3+1	C3+4 ×Soldier
16.	H3-5 ×Soldier	R2+3 ×Cannon
17.	+R=5 ×Cannon	R2+4 ×Chariot
18.	C5=8 ×Chariot

Final position

10 moves

18 moves

Variations and alternative defences

The source manual records 12 variations. Each branch starts from the move number shown.

Variation 1, from move 16: R4=5 17. +R=6+ K4=5 18. K5=6 Try it on the board
Variation 2, from move 12: C3=4 13. C5+1 C4+1 14. C8+2 R4-1 15. H4+5 H7+5 16. +R=5 Try it on the board
Variation 3, from move 11: R2+3 12. R8+4 R4=3 13. R8-6 Try it on the board
Variation 4, from move 10: R4-2 11. H4+6 C3=4 12. H6+5 E7+5 13. R2=8 P1+1 14. +R-1 R4=2 15. R8+2 R2+2 16. P7+1 Try it on the board
Variation 5, from move 9: P3+1 10. R2+5 P7+1 11. R2=3 P3+1 12. H4+6 R2+2 13. A6+5 R4-2 14. P7+1 R4=3 15. E7+9 R3-1 16. H6+5 E7+5 17. R3=7 E5+3 18. H7+6 Try it on the board
Variation 6, from move 14: 14. H6+7 R2=3 15. R3+2 P3+1 16. C5+4+ A4+5 Try it on the board
Variation 7, from move 16: C5+4+ 17. H7+5 R3=7 18. H5+4 Try it on the board
Variation 8, from move 12: 12. A6+5 R4-4 13. R3=7 P3+1 14. C8=5+ H7+5 15. R8+7 H5+6 16. R8-8 H1+3 17. R7=4 H6+5 18. E7+5 P3+1 Try it on the board
Variation 9, from move 9: 9. H4+5 H7+5 10. C5+4+ A4+5 11. R2+5 P3+1 12. R2=7 R4-4 13. C5-2 R4=3 14. R7+1 H1+3 Try it on the board
Variation 10, from move 11: R4=3 12. R2=6 Try it on the board
Variation 11, from move 8: 8. R2+5 R2+6 9. R2=6 R4=6 10. R6-1 Try it on the board
Variation 12, from move 7: R4+4 8. H4+5 H7+5 9. C5+4+ A4+5 10. E7+5 R1=2 11. C8+6 Try it on the board

← Previous puzzle: 19. Red Develops the Right Horse (2)Next puzzle: 21. Red Develops the Right Horse (4) →

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