I think I got like 28 once after practising :P Bumped the average up to around 24, which is a lot better than I thought I could get to :)
Entries for Weekly Challenge 62 has closed. Thanks to all users who participated.
The winner is @d6533vdg who achieved a verified score of 51 on the coordinates challenge as white.
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-63-materialistic-winner