A CodePen by Julian Garnier. 3D CSS Hartwig chess set (fully playable) - 3D chess game done in HTML/CSS/JS. 
Works only in webkit. 

Github repo: 
https://github.com/juliangarnier/3D-Hartwig-chess-set 

Using Photon : http://photon.attasi.com and Chess.js : https://github.com/jhlywa/chess.js