Gen
Mate in 7. Every move must be check.
Genno pieces in hand
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You
Your move.

Mate in 7 · puzzle T000631

Tsume shogi #631: mate in 7

Black to move and checkmate in 7 (4 of your moves and 3 replies). Black has rook, bishop, 2 silvers, knight, 4 pawns in hand. The White king stands on 8d. The solution uses 4 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. ▲ R*6d — Drop a rook on 6d, check.
  2. △ K-8c — The king escapes to 8c.
  3. ▲ B*7d — Drop a bishop on 7d, check.
  4. △ Kx7b — The king takes on 7b.
  5. ▲ S*8c — Drop a silver on 8c, check.
  6. △ K-7a — The king escapes to 7a.
  7. ▲ S*7b — Drop a silver on 7b — checkmate. (1 other final move also mates.)

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