2§ = both majors

                        2NT = range ask

                                    3♣ = worst values

                                    3♦ = medium values

                                    3♥ =56xy

                                    3♠ = 65xy

                                    3NT = maximum

 

            2¨ = major one suiter

                        2NT by advancer asks whether overcaller has a max or min

                                    3♣ by overcaller = min

                                    3♦ = xfer to ♥ with max

                                    3♥ = xfer to ♠ with max

                        3♣ asks opener to xfer to his major

                        3♦ = invitational values for both majors

                        3♥ = preemptive pass or correct

            2© = © + minor

            2♠ = ♠ + minor

double forcing 2♣ (advancer bids 2♣ with no interest in overcallers major, bids 2♦ to ask opener to bid major, may have to play 3♣ instead of 2♣) followed by

            pass = ♣ one suiter

2♦ =one suiter

2♥ = canapé with longer minor

2♠ = canapé with longer minor

Same applies after

            (1m) P (1NT)

            (1m) P (1NT) P (P)

            1m (1NT)

            *double has normal meaning in these auctions