GRECHAM 2006
1NT(strong)
DBL=Trans -> 2§
DBL-2§-Pass=5+§
DBL-2§-2¨=5+¨
DBL-2§-2©=5+© + 4+ª
DBL-2§-2ª=5+ª + 4+©
DBL-2§-2NT=
#18-20HcP,bal
2§=5+§ + side MAJOR
2¨=5+¨ + side MAJOR
2©=5+©
2ª=5+ª
2NT=Good hand,
*5© + a minor
*5ª + a minor