Byzantine Blackwood convention notrump has been made, a bid of five notrump asks for additional high card "features". A king or doubleton king-queen not already shown in response to four notrump counts as one feature; a guarded king-queen combination not already shown count as two features. The responses are: Byzantine Blackwood convention Byzantine Blackwood is a bidding in the game of bridge. Devised by Jack Marx, it is a complex version of the (by which a four notrump (4NT) asks about 's holdings). Its premise is that both aces and kings may safely be shown in response to a Blackwood-type 4NT enquiry; provided
Mackenzie Blackwood contract with the New Jersey Devils, who drafted him in the 2015 NHL Entry Draft, on December 30, 2015. After playing for the Devils American Hockey League (AHL) affiliate, Blackwood was assigned to the Adirondack Thunder, the Devils ECHL team, on January 1, 2018. Blackwood began the 2018–19 season with the Devils AHL affiliate, Binghamton Devils. He was recalled to the NHL on December 17, after goaltender Cory Schneider was placed on injured reserve. Blackwood made his NHL debut the following night in a 7–2 loss to the Toronto Maple Leafs. He replaced started Keith Kinkaid in the third period