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
C. F. E. BACH motif C. F. E. BACH motif The C. F. E. BACH motif is a musical motif, consisting of the notes C, F, E, B "flat", A, C, B "natural". The motif is a musical cryptogram, which represents the name of Carl Philipp Emanuel Bach with the initials of his name - Carl Philipp (Filippo) Emanuel Bach -. The motif is based on the German musical nomenclature, in which the note B "naturalis" named H and the B "flat" named B - the same as in the ominous BACH motif -, however the initials of the composer’s name appear partially in German