26 plies against level 1
9 moves (17 piles), level 1
23 moves (45 piles), level 5
Entries for Weekly Challenge 34 has closed. Thanks to all users who participated.
The winner is @oruro who managed to win a game of 3-check against Stockfish Level 6 by checkmate in just 20 moves (39 ply) in the following game: playstrategy.org/mraOlm7o
Users are still welcome to attempt this challenge and post answers here, but the winner has been fixed. The next challenge can be found here: playstrategy.org/forum/weekly-challenges/weekly-challenge-35-full-mini-shogi-pockets