Mate in 9 — Problem #3996315
🎯 Checkmate in 9 — your move
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9
8
7
6
5
4
3
2
1
一
二
三
四
五
六
七
八
九
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Show solution
▲6二と △同 玉 ▲8二飛 △同 金 ▲7四桂 △7一玉 ▲8二角成 △6一玉 ▲6二金
Why this move works
The answer is ▲6二と △同玉 ▲8二飛 △同金 ▲7四桂 △7一玉 ▲8二角成 △6一玉 ▲6二金. Sacrifice the tokin and rook to deflect the defending gold, set up with a knight, then mate with a gold — a nine-move tsume.
▲6二と △同玉 pulls the king to 6二, ▲8二飛 △同金 lifts the gold away, ▲7四桂 drives the king to 7一, and after ▲8二角成, ▲6二金 mates — the knight on 7四 defends the gold, so the king on 6一 cannot capture it.