RKCB-1430 -

Bidding diagrams
4NT     RKCB-1430 in
 5   1 or 4 aces
  5  To play if one ace
   Pass One ace
   5 Extra cue
   5 Extra cue
   6 4 aces
  5  Asking for Q
   5 Q and extra cue in
   5NT Q
   6 Q and extra cue in
   6 No Q
  5  Special Suit Ask
  5NT  Got all aces and Q
   6 Extra in
    6To play
    7To play
   6 Nothing extra
   7 2-3 extra keycards/tricks
  6  Nat
  6NT  Nat
  7  Nat
  7NT  Nat
 5   0 or 3 aces
  Pass  To play
  5  Asking for Q
   5 Q and extra in
    6To play
    7To play
   5NT Q
   6 Q and extra in
   6 No Q, no extra
  5  Special Suit Ask
  5NT  Showing all aces and Q
   6 To play
   7 2 extra values
 5   2 aces and not Q
  5  Special Suit Ask
  5NT  Showing all aces and Q
   6 Something extra in
   6 Nothing extra
   6 Something extra in
   6 Something extra in
    6NTTo play
    7To play
    7NTTo play
   7 Two extra features
  6  To play
  7  To play
 5   2 aces and Q
  5NT  Showing all aces and Q
  6  To play
  7  To play
 5NT   A void and odd no of aces
  6  Last train
  6  To play
  6NT  To play
  7  To play
  7NT  To play
 6   Void and even no of aces
  6  Nat
  7  Nat
 6   Some void and even no of aces
  7  Nat