P19

From Simplex

• PRINCIPLE 19: Responder's first-round responses to an opening of one or two of a suit should be:
  1. Show support for partner's major.
  2. If you are weak (0-9 HCP), show support for partner's minor.
  3. Make the bid you would have made, had you been opener.
  4. If you are strong (10+ HCP), show support for partner's minor.
  5. Show support for partner's minor.
  6. Double the opposition's bid if it has taken away your opening bid.
  7. Bid 1NT with 8-16 HCP and no biddable suit.