playstrategy.org/WCwVnhQ9
3 pieces, 29 ply

1

Entries for Weekly Challenge 81 has closed. Thanks to all users who participated.

The winner is @FangCheng who won a game of Chess with a partial smothered mate (3 pieces surrounding the king) in 29 ply :

playstrategy.org/WCwVnhQ9

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-82-antiothello