One Club



==Strong 1♣   Opening  ==

 1C = Approximately 16+ HCP ANY shape.



When the opponents are vulnerable it can be lighter on a hand with compensating playing strength.



When unfavorable sometimes prefer to open at the 1 level with a playing strength hand (planning to catch up later).



Responses to 1C

---



1D = GF

1H = 4-7 HCP. Most hands.

1S = 0-3 HCP. Almost all hands.

1NT = 5+H & (4)5+ other, 4-7 HCP.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">2C = 5+S & (4)5+ other, 4-7 HCP.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">2D = 6+H, 4-7 HCP. good suit.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">2H = 6+S, 4-7 HCP, good suit.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">2NT = Both Minors 6+/5+ (0)4-7 HCP.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">3C/3D/3H/3S = 7+ card suit, 0-3 HCP.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> Continuations:

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">1C - 1H....

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">1S  = Artificial Relay. Either:

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1) 16-17 HCP BalancedMinimum Balanced (16-17 HCP).

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> or

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2) Any G/F (usually unbalanced).

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> Responder usually bids 1NT but can also show a decent 5+C suit by bidding it naturally.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1NT = 18-19 Balanced. System ON.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2C/2D/2H/2S = Natural, Non-Forcing.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3C/3D/3H/3S = Natural, Forcing.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT = 22-23. GF.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">   After:

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">       1C – 1H – 1S

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">       Continuations…

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1S

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> ---

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1NT      = To Play, sometimes offshape. System ON.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2C       = Art G/F (followed by 2D waiting)

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2D/2H/2S = Natural, NF

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT      = Natural, 22-23

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3C       = Natural, NF

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1NT

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2C = Puppet to 2D, either to play 2M or GF without a fit

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2M = Invitational, usually 3+M. (ie. responder shouldn’t force to game in the major with only a 4c suit)

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2D/3C = Natural, NF.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT = ART Enquiry. (same responses as 2H 2NT)

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3M  = Natural forcing. Responder next bid shows shortage.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C 2C* & 1C 2D*

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> ---

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> Next Step is a puppet to 2M (to play OR to G/F hand without support)

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2M is invitational and shows 2+H hearts.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2oM/3C/3D are 16-18(19) NF but responder should bid on with a fit or a maximum.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT asks for responder’s minor.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3M is game force with a fit. Responder’s next bid shows shortage.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1D

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> ---

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' 1H/1S = Natural, 5+. System OFF for continuations. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1NT   = 16-19 or 23+ (18-19 or 23+ at Unfav).

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2C/2D = Natural, 5+ (then 3C is min raise (or 3c) 3NT = Art 4c raise).

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2H/2S = Natural, Suit setting on a minimum 1C hand (8 to 8.5 playing tricks).

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' 2NT   = ART, Any 4441 shape. Responder’s 3c is a shortage ask. 3X = Nat 5+. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3C    = Natural, NF!

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3X    = Natural, Suit setting. Demands cuebids.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1D - 1M

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1NT   = Natural, unlimited. Continuations are natural.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2C/2D = Natural, 5+C.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2M    = 3C support, 8-10 HCP. With extra values, go via forcing 1NT.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT   = 4C support, 11+. System on.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3M  = 4c support 8-10.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' Single Jumps = Splinters, extra values. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' Double Jumps = Splinters, minimum GF. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1D – 1NT

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' Same basic system as after a 1NT opening. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' After 2C – 2H/2S, 2S/3H is ART suit setting. '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">''' Due to the wide ranging nature of 1NT, inviting via 2NT shows a mild quantitative invite (opposite 18-19 HCP). '''

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 1C - 1D - 2m

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none">

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> New suits = Natural, 4+ (usually good 4c suit in a major)

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 2NT = no fit.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3m = 3+ card support.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> 3NT = Minimum, 3 card support. Suggests a contract.

<p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height: normal;mso-pagination:none;mso-layout-grid-align:none;text-autospace:none"> Jumps = Splinters.