Eswo Karma 70 Created 1 year ago Recent Submissions 1. ▲ Chess puzzle I found in my dad's old book (ardoedo.it) 181 points · 2 days ago · 56 comments 2. ▲ The Perimeter Problem (southwind.ai) 3 points · 29 days ago · 0 comments All submissions on HN · View profile on HN