Sesudah  1NT overcall  2H= 5H + 4 minor.  Â
Sekuense 1.
B Â Â Â Â U Â Â Â T Â Â Â S
1NT  2H    pas   2S - natural NF
                2NT GF
                3C = P/C
                3D = Invitation H fit
                3H=  good suppoort
                3S=Invitation dengan  6+S
                4C=C singleton Splinter
                4D= D singleton Splinter