1♥ - 2♣ - 2♦ -

2♥    =    3 card support, 10-12 invitational

2♠    =    GF, 5+ card ♣

2NT  =    GF, balanced    ➤    3♣/♦/♥    =    natural ; 3♠ = asking for ST ; 3NT    =    TP

3♣    =    NF, 6+ card ♣

3♦    =    GF, 4+♦, 5+♣

3♥    =    GF, 3 card support

3♠    =    asking for ST

3NT =    TP, 15-17