Entries for Weekly Challenge 131 has closed. Thanks to all users who participated.
The winner is @e-pluszak who won a game of AntiOthello with a score of 0-37 in the following game: playstrategy.org/4q16W4sF
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-132-speedy-slam