MM1993 wrote:
Is there a way to add a tactics puzzle to the site's trainer? If not, where do they get all these puzzles? Do they have staff of their own for finding and devising puzzles?
This describes how they were looking for new puzzles back in 2012 (and gave guidelines):
https://www.chess.com/forum/view/more-puzzles/puzzles-needed-for-tactics-trainer
Is there a way to add a tactics puzzle to the site's trainer? If not, where do they get all these puzzles? Do they have staff of their own for finding and devising puzzles?