Keywords: Four-handed chess.png The four-handed chess board based on http //www pathguy com/chess/Chesapea htm Chesapeake Four-Handed Chess start position 2009-06-28 Marcin Jahr Poland Mr Jahr kindly released this picture to Public Domain User Pjahr Graphic collection of Marcin Jahr 2008091910013616 Marcin Jahr Chessboards Four-player chess |