Unassuming Club

This system is a slight modification of the Polish Club. It uses a weak notrump, and the 2-opening now promises 6.

Opening bids

1
  • 14 - 17 / 12 - 14 balanced, no 4-card
  • 10 - 14 HCP, 5 + 4-card major / 4=4=1=4.
  • 15+ HCP, 5+
  • 18+ any distribution
    • 1 10 - 17 HCP, 4+
    1 10 - 17 HCP, 5+
    1 10 - 17 HCP, 5+
    1NT 11 - 13 balanced (1st / 2nd NV) / 15 - 17 otherwise
    2 Precision 2: 10 - 14 HCP, 6+
    2 Wilkosz: Weak, 5-5 with at least one major
    2 Weak Two in
    2 Weak Two in
    2NT Unusual: Weak, 5 5

    Responses to 1

    Most responses to 1 are natural. 1 can be either natural or negative.
    Response
    1
  • 0 - 6 HCP
  • 7 - 10 HCP, no 4-card /
    • 1 7+ HCP, 4+, longer minor possible
    1 7+ HCP, 4+, longer minor possible
    1NT 11 - 13 balanced
    2 11+ HCP, 5+
    2 11+ HCP, 5+
    2 5 - 9 HCP, 6
    2 5 - 9 HCP, 6
    2NT GF balanced
    3/ 6+card, 6 - 9 HCP
    3/ Preemptive

    After the negative 1-response

    1 - 1 is the key sequence in the system. Both opener and responder can have a wide variety of hands.
    Response
    1 12 - 21 HCP, 4-card , or 15 - 18 balanced without 4
    1 12 - 21 HCP, 4-card
    1NT 19+, balanced or flexible distribution
    2 Game Forcing
    2 22+ HCP
    2 19 - 22 HCP, 5+
    2 19 - 22 HCP, 5+
    2NT 22 - 23 balanced
    3 16 - 18, long

    Special sequences

    1 - 1 - ?
  • 2: 16+, 5+
  • 2: Odwrotka (GF 3+)

    1 - 1 - ?
  • 2: 11 - 15, 5 + 4
  • 2: Relay, invitational or 2-suited GF without
  • 2: Odwrotka (GF 3+)

    1 - 1 - 2 - 2 - ?
  • 2: 16 - 18, 5+ + 3
  • 2NT: 16 - 18, 5 + 4, no 3
  • 3: 16 - 18, 6+, no 3
  • 3/: GF 2-suiter, bid suit +
  • 3: GF 2-suiter, minors