Gen
Mate in 7. Every move must be check.
Gen
987654321abcdefghiLNKG+RPPPPPPP+BPP
You
Your move.

Mate in 7 · puzzle T000971

Tsume shogi #971: mate in 7

Black to move and checkmate in 7 (4 of your moves and 3 replies). Black has bishop, gold, silver, knight, lance, 3 pawns in hand. The White king stands on 7b. The solution uses 2 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. ▲ +Rx5b — The dragon captures on 5b, check.
  2. △ K-7c — The king escapes to 7c.
  3. ▲ +Bx6d — The horse captures on 6d, check.
  4. △ K-8c — The king escapes to 8c.
  5. ▲ B*7b — Drop a bishop on 7b, check.
  6. △ K-9b — The king escapes to 9b.
  7. ▲ S*8a — Drop a silver on 8a — checkmate. (3 other final moves also mate.)

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