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
Blackwood, South Australia Blackwood, South Australia Blackwood is a south eastern suburb located in the foothills of Adelaide, South Australia. It is part of the local government area of the City of Mitcham. The name "Blackwood" probably comes from either the Acacia melanoxylon, also known as the Australian blackwood, which grows in the nearby Mount Lofty Ranges, or the Eucalyptus odorata, which grows in Blackwood and has dark bark. The earliest reference to Blackwood was a mention of Blackwood Vale Farm in 1847, though this is in present-day Glenalta. One of the earliest places named for Blackwood was the Blackwood Inn, which opened