1♦ - 1♠ - 2♣ -

2♦    =    TP    ➤    2♠  = 5+♦3♠, 14-16, natural follow up ; 3♠  = 5+♦3♠, 17-19, natural follow up

2♥    =    artificial,  GF    

2♠    =    TP

2NT    =    invitational

3♣    =    interested for 3NT  ♣ ST, denies ♥ ST

3♦     =    invitational

3NT    =    TP, s ♥ ST

back to 1♦ - 1♠ -

back to 1♦ -