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
Douglas Blackwood which bore his name. He remained chairman of the publishing house until 1983. His biographer, Trevor Royle noted that Blackwood, being shy, could appear remote or aloof, although he was considered "a kindly man who wore his learning lightly". He was most comfortable in military company and never courted literary or political society. He had little literary pretension - when a reviewer asked if he had known George Orwell at Eton - he was six years his junior there and at St Cyprian's - Blackwood replied, "Oh, Blair, yes I remember him, he had a motor-bicycle." However Blackwood's dismissive comment