Blackwood convention Blackwood convention In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley Blackwood. It is used to explore the partnership's possession of aces, kings and in some variants, the queen of trumps, to judge more precisely whether slam is likely to be a good contract. Two versions of Blackwood are common: "standard" Blackwood, developed by Easley in 1933, and "Roman Key Card" Blackwood ("RKC" or "RKCB"), named for the Italian team which invented it. Standard Blackwood enables one partner to count partnership aces and kings in general. Key card variants
Mount Blackwood Mount Blackwood Mount Blackwood is a mountain located within the boundaries of the Mackay Regional Council in Central Queensland, Australia and has an elevation of 639m. It is covered in dense tropical rainforest and is home to the Mount Blackwood Holly ("Graptophyllum ilicifolium"), a species of shrub endemic to the area. It also has the Pioneer Valley close to the region. Also nearby mountains are Mt Jukes, Mt Ossa and Mt Brampton. Mount Blackwood is used for commercial television transmission, such as ABC Queensland, and other communications in the Mackay district. It is also used for transmission of VHF Automatic