Flannery is a 2D opening bid which shows 5 hearts and 4 spades. You can also use 2H as Flannery.

2NT asks for more details.

• 3C shows a 4/5/1/3 or 4/5/0/4 hand.
• 3D shows 4/5/3/1 or 4/5/4/0.
• 3H shows a weak 4/5/2/2.
• 3S shows a strong 4/5/2/2.
• 3NT shows a strong 4/5/2/2, with stoppers in the minors.

There is a special defense to this convention.