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