The file name does not say "screenshot", but it's only 750 x 1278 pixels. When an image is less than 1500 x 2000 pixels, it usually means that it's a screenshot or that it's been resized.
All entries get entered into a spreadsheet and are evaluated by at least three judges in the first round of...
Thanks for asking. Now is probably a good time to mention that we never delete entries. All pictures, including the ones that are disqualified, are added to the spreadsheet.
Hope this helps.
Yes. Remember, always read the rules. If only one format was allowed, it would be listed in the rules. You can read this too:
Judged Photo Contests - What's Allowed, and What's Not (Under Construction)