Show HN: Checkmate Champ – a training tool for chess tactics(checkmatechamp.net)160 points by Tommah 2 years ago | 36 comments
Blunder Free Chess – visualize which squares are attacked(taonexus.com)30 points by logicallee 1 year ago | 38 comments
Show HN: Play Othello in your web browser (made with Mithril)(jawj.github.io)87 points by gmac 2 years ago | 43 comments
Show HN: Visualizing Chess Games(louisabraham.github.io)42 points by Labo333 2 years ago | 10 comments
Show HN: Swapple, a little daily puzzle on linear reversible circuit synthesis(swapple.fuglede.dk)60 points by fuglede_ 1 year ago | 24 comments