Electronic Dart Scoreboards. Dartsmate Chalkie – Black Edition – AUS Plug Edition. Introducing the Dartsmate Chalkie – a revolutionary new design concept for dart scoring. Includes Power Supply. Per dart and per throw averages. Solo play mode. Accepts all games to 1001.Electronic Dart Scoreboards. Dartsmate Chalkie – Black Edition. Introducing the Dartsmate Chalkie – a revolutionary new design concept for dart scoring. Includes Power Supply. Per dart and per throw averages. Solo play mode. Accepts all games to 1001.Electronic Dart Scoreboards. Dartsmate Chalkie – Black Edition – EU Plug Edition. Introducing the Dartsmate Chalkie – a revolutionary new design concept for dart scoring. Includes Power Supply. Per dart and per throw averages. Solo play mode. Accepts all games to 1001.Electronic Dart Scoreboards. Dartsmate Chalkie – Black Edition – USA Plug Edition. Introducing the Dartsmate Chalkie – a revolutionary new design concept for dart scoring. Includes Power Supply. Per dart and per throw averages. Solo play mode. Accepts all games to 1001.