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See also

  • 5NT Pick a Slam
    A conventional 5NT bid that asks partner to choose a small slam.

  • Baby Blackwood
    A conventional 3NT ace-asking bid after a major-suit fit is found.

  • Blackwood
    The original 4NT convention invented by Easley Blackwood to ask for aces.

  • Gerber
    The convention for asking for aces in no-trumps slam auctions.

  • Grand Slam Force
    A 5NT bid as a conventional grand slam try.

  • Roman Blackwood
    The Italian variation of Blackwood upon which RKCB is based. The responses to 4NT include the rank and colors of the four aces.

  • Roman Key Card Blackwood
    A popular variation of Blackwood that asks for aces and the king of trumps.