OVER OPPONENTS 1NT OVERCALL (MINOR)

After a minor suit opening and a1NT overcall by opponent then

2§ = TO for majors 2¨ = major one suiter 2M = Major and minor

 

Same applies after (1 minor) pass (1NT) and

(1 minor) pass (1NT) pass (pass)

 

            2§ = both majors

            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

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