Byzantine Blackwood convention 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 that such kings are in well-defined "key" or "half-key" suits, there being no more than two such suits. The name was chosen to express the idea that Byzantine Blackwood is a development from Roman Blackwood, by analogy with the Byzantine Empire and the Roman Empire; rather
Ronald Blackwood daughter, Helen Blackwood. Ronald Blackwood Ronald Alexander Blackwood (January 19, 1926 – February 22, 2017) was a Jamaican-born American politician who served as the Mayor of Mount Vernon, New York, for eleven years from 1985 until 1996. On January 25, 1985, Blackwood became the first black Mayor of Mount Vernon, as well as the first black person elected mayor of any municipality in New York state. Blackwood was born in Saint Andrew Parish, Jamaica, on January 19, 1926. He immigrated from Jamaica to the United States when he was 28-years old and settled in the New York City suburb of