Entries for Weekly Challenge 170 has closed. Thanks to all users who participated.
The winner is @XBLAAAAA who won a game of Xiangqi with 15 pieces on the opponent's side of the board in the following game: playstrategy.org/nqKiaV0l
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-171-backed-into-an-octagonal-corner