Some people play that you have to have a five-card suit to open 1♠ but you can open 1♥ with only four hearts.
With such a method, the only hand shape that may require a prepared opening in a minor is 4-3-3-3, where the four- card suit is spades.
Some people play that you have to have a five-card suit to open 1♠ but you can open 1♥ with only four hearts.
With such a method, the only hand shape that may require a prepared opening in a minor is 4-3-3-3, where the four- card suit is spades.