Rubensohl
Continuation after opps overcall our 1NT
1NT - (2♦ natural)
Dbl = T/O, competitive
2♥/♠ = TP
2NT = transfer to ♣ ➤ 3♣ = compulsory ➤ 3♠ = GF, asking for ♦ ST ; 3NT = TP
3♣ = GF Stayman + asking for ST; promises 4 card M ➲
3♦ = transfer to ♥, invitation+ ➤ 3♥ = minimum ➤ 3♠ = GF, asking for ♦ ST ; 3NT = TP
3♥ = transfer to ♠, invitation+ ➤ 3♠ = minimum ➤ 3NT = PC
3♠ = transfer to NT, denies 4 card M, denies ♦ ST, F4♣
3NT = TP, denies 4 card M, promises ♦ ST
other = system on