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A 1NT opening shows 15-17 HCPs and a balanced hand.

Responses Edit

1NT response table
0-7 points 8-9 points 10+ points
balanced / 2NT 3NT or more
one or two 4-card majors / 2, then raise to 3 or 2NT 2, then raise to 4 or 3NT
5-card major 2 of the major 2, then raise to 3 or rebid 2 of the suit 3 of the suit
5-card minor 2 if the suit is 2NT 3 of the suit or 3NT
6-card major 2 of the major 2, then raise to 3 or rebid 2 of the suit sign off in game


  • 2: Stayman, 8+ total points with a 4-card major
    • 2: no 4-card major
    • 2: 4 s, may have 4 s
    • 2: 4 s, no 4 s
  • 2/2/2: weak signoff, 0-7 total points, 5+ s/s/s
  • 3/3: mild slam interest in s/s
  • 3/3: exactly 5 s/s, 10+ total points, game forcing
  • 4/4: 6+ s/s, 10+ total points, sign off
  • 2NT: 8-9 points, invitational to 3NT
  • 3NT: 10-15 HCPs, sign off. Occationally may be a hand with running minor expected to make 3NT.
  • 4NT: 16-17 HCPs, invitational to 6NT
  • 5NT: 20-21 HCPs, choose a slam
  • 6NT: 18-19 HCPs, sign off
  • 7NT: 22+ HCPs.

After Stayman, responder rebidding 2 of a suit is invitational with 5-card suit

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