DinKun

1♣ - presision 1♠ - 5+cards in sp 1NT - ask for controls 2♠ - 5 controls 3♠ - ask for spades 4♠ - 6+ cards with 2 top onores 5♦ - ask for diamonds 5NT - king in diamonds 6♣ - ask for clubs 6NT - Ace in clubs (with Ace and king in clubs - 7♣) 7NT - (Ace in clubs, King in diamonds,King in hearts, King and Queen in spades;6 spades, 3 hearts, 3 diamonds and 1 club = 13 tricks)