Abstract: A wireless programmable digital chess clock having to a housing, a display mounted in the housing and operatively arranged to display time associated with a first player's clock and operatively arranged to display time associated with a second player's clock, a first switch mounted in the housing and operatively arranged to stop the first player's clock and start the second player's clock when activated; a second switch mounted in the housing and operatively arranged to stop the second player's clock and start the first player's clock when activated, a microcontroller operatively arranged to set and control the first and second players' clocks, and, a near field communication module, in communication with microcontroller, and operatively arranged to receive signals from an external transmitting device, where the signals are used to set the time on the first and second players' clocks.

Abstract: A wireless programmable digital chess clock having to a housing, a display mounted in the housing and operatively arranged to display time associated with a first player's clock and operatively arranged to display time associated with a second player's clock, a first switch mounted in the housing and operatively arranged to stop the first player's clock and start the second player's clock when activated; a second switch mounted in the housing and operatively arranged to stop the second player's clock and start the first player's clock when activated, a microcontroller operatively arranged to set and control the first and second players' clocks, and, a near field communication module, in communication with microcontroller, and operatively arranged to receive signals from an external transmitting device, where the signals are used to set the time on the first and second players' clocks.

Abstract: A chess board, comprising a top layer comprising sixty-four (64) squares of alternating color arranged in eight parallel ranks and eight parallel files, and a bottom layer comprising a circuit board, the circuit board comprising sixty-four (64) radio frequency identification antennas arranged in registration with the sixty-four (64) squares of alternating color in the top layer, and an electronic circuit operatively arranged to sense positions and movement of chess pieces on the sixty-four (64) squares of the top layer and communicate the positions and movement to a computer.

Abstract: A wireless programmable digital chess clock having to a housing, a display mounted in the housing and operatively arranged to display time associated with a first player's clock and operatively arranged to display time associated with a second player's clock, a first switch mounted in the housing and operatively arranged to stop the first player's clock and start the second player's clock when activated; a second switch mounted in the housing and operatively arranged to stop the second player's clock and start the first player's clock when activated, a microcontroller operatively arranged to set and control the first and second players' clocks, and, a near field communication module, in communication with microcontroller, and operatively arranged to receive signals from an external transmitting device, where the signals are used to set the time on the first and second players' clocks.

Abstract: A chess piece, having a body, the body having a cavity therein, the cavity having a metal weight therein, a ferrite sheet positioned below the metal weight and in proximity thereto, and, an RFID tag positioned below the ferrite sheet, the RFID tag secured to the body.

Abstract: A chess board, comprising a top layer comprising sixty-four (64) squares of alternating color arranged in eight parallel ranks and eight parallel files, and a bottom layer comprising a circuit board, the circuit board comprising sixty-four (64) radio frequency identification antennas arranged in registration with the sixty-four (64) squares of alternating color in the top layer, and an electronic circuit operatively arranged to sense positions and movement of chess pieces on the sixty-four (64) squares of the top layer and communicate the positions and movement to a computer.