Ghost Chess: using electromagnets to move board pieces — The MagPi

With this game of chess by Tim Ness, Alex Angelov, and Alex Smith, the pieces appear to move by themselves. David Crookes checks it out

Automated Chess - Losing to a Ghost

Magnetic Chess Board - Prototype!

The race for self-moving chessboards: SquareOff, Phantom, DGT and

Automatic Chessboard Lets Online Players Move The Pieces

Mags · Keiji Imai

PEZYOX Magnus Magnetic Folding Chess Board Game - Multicolor

Automated Chess - Losing to a Ghost

Mags · Keiji Imai

Ghost Chess System Moves Pieces Automatically

The ravishing stratagems of Fritz Emil Giegold! - ChessBase India

Prototype Chess Board