suggestion: left click on the piece/pawn you choose to move, and move your mouse to the square you want, visually verify it's location in/near center of the destination square, and left click.
this would overcome mouse drop problems.
adding another feature to overcome a "problem" for a relatively few number of users wouldn't be a productive use of programmer time - when there are so many other features they are working hard on adding to this site.
principle of "greatest benefit overall for the greatest number of users"
regards,
That tips does not work on live chess.
There is certainly other features with higher priority. But everyone has its point of views, and lower priorities one day may became higher priorities.
Where is the "harm" in aborting ?.
There is no harm in aborting. But it happens to me successive aborting games just because there is a difference in ranking. If users don't want to play with random players, there are other options than just abort. After all, chess should also be about respect.