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
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