Blackwood convention when, after hearing his partner's response, the player who bid 4NT wants to stop in 5NT — as this is a forcing bid asking for Kings. A common agreement is that the first non-suit asks responder to bid 5NT. Whenever the first non-suit is a "queen ask", then the next non-suit asks to bid 5NT. This has to be planned in advance as if there is no such space partners have to bid a usually unmakeable slam contract. Blackwood convention In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley
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