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
Michael Blackwood period of 1999 through 2003. The IAAF gave Young a life ban as a result and annulled his performances. This had a significant effect on Blackwoods career: Jamaica were elevated to World Indoor 4 × 400 m Relay gold medal, where Blackwood ran the third leg. He was given the 400 m bronze medal at the 2003 World Championships, as well as being moved up to the top spot at the 2003 World Athletics Final. Michael Blackwood Michael Blackwood (born 29 August 1976 in Clarendon) is a Jamaican male track and field athlete, who specialized in the 400 meters, his