Gen
Mate in 7. Every move must be check.
Gen
987654321abcdefghiKSBGLG+PNPLP+P+P+S
You
Your move.

Mate in 7 · puzzle T000397

Tsume shogi #397: mate in 7

Black to move and checkmate in 7 (4 of your moves and 3 replies). Black has knight, lance, 5 pawns in hand. The White king stands on 8a. The solution uses 3 drops. Every one of your moves must give check, and White always chooses the reply that lasts longest.

Difficulty ★★★☆☆ · tap a piece, then a square. Pieces in your hand can be dropped.

Solution (tap to reveal)
  1. ▲ +Px8b — The tokin captures on 8b, check.
  2. △ Kx8b — The king takes on 8b.
  3. ▲ L*8d — Drop a lance on 8d, check.
  4. △ B-8c — White's bishop moves to 8c.
  5. ▲ N*7d — Drop a knight on 7d, check.
  6. △ K-7a — The king escapes to 7a.
  7. ▲ G*8b — Drop a gold on 8b — checkmate.

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