Aspro

Over opponents opening 1NT:

• Double = 15+ HCP
• 2 = hearts and another suit (5-4 or 4-5)
• 2 = spades and a minor (5-4 or 4-5)
• 2/2 = natural
• 2NT = clubs and spades (6-5 or 5-6)
• 3 = minors (6-5 or 5-6)
• 3 = diamonds and hearts (6-5 or 5-6)
• 3 = majors (6-5 or 5-6)