pass/redouble | to play |
Double | takeout |
3D | game-forcing, 4 hearts |
3H | game-forcing, 4 spades |
3S | game-forcing, both majors |
3NT | Exclusion Blackwood in clubs, trump suit unknown |
4C | singleton or void club, three-suited. A 4NT response from partner is natural and to play. |
4D | Minorwood |
4 of a major | to play |