One Diamond



''' 1D = Either: '''

 1)    Any Bal 13-15 HCP hand (12-14 at Unfavourable Vul)  

 OR 

 2)    4+D, 10-15 HCP. Can be canapé with longer clubs. (Don’t stretch to open with a bad 10 count). 

 OR 

 3)    Some unbalanced 14-15 HCP hands with 5C, that are too strong for 2C. We usually treat these as 13-15 Bal. 



 1D* - 1M Responses 

 1H    = 4+H. Can be weak.

 1S    = 4+S. Can be weak.

 1NT   = 6-9 HCP. No 4M.

''' 2C    = ART, Either NAT 6C, 10-11 HCP or Nat, G/F or G/F Balanced. '''

 2D    = 5+D, 10+ HCP.

 2H/2S = 4-8 HCP, 6+ Suit. (Wider ranging when NV)

 2NT   = 10-12 HCP, Bal.

<p class="MsoPlainText"> 3C/3D = (6)7-9 HCP, 6+ Suit.

<p class="MsoPlainText"> 3H/3S = 4-7 HCP, 7+ Suit.

<p class="MsoPlainText"> 3NT   = 13-16 HCP.

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<p class="MsoPlainText" style="border-style:none;padding:0cm;"> 1D* - 1M Responses <p class="MsoPlainText">

<p class="MsoPlainText"> Can be very weak on hands with short diamonds. After a 1M response, we bid the other major to show a strong raise to 2M. A direct raise is weaker.

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<p class="MsoPlainText"> 1D - 1H

<p class="MsoPlainText"> ???

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<p class="MsoPlainText">''' 1S    = ART. Either NAT, 4+D, 4+S 10-15 OR Strong 2H raise, 13-15, 4H. '''

<p class="MsoPlainText">'''       **System OFF in competition** '''

<p class="MsoPlainText"> 1NT   = 13-15 Balanced, Not 4H.

<p class="MsoPlainText"> 2C    = 10-15, Clubs/Diamonds, possibly canapé.

<p class="MsoPlainText"> 2D    = 10-15, 6+ Diamonds, usually not 3H.

<p class="MsoPlainText">''' 2H    = 10-13, 3+H. Weaker than raising via 1S. '''

<p class="MsoPlainText"> 2S    = 14-15 HCP, 3H & 6+D.

<p class="MsoPlainText"> 2NT   = 14-15 HCP, 5+C, 4+D. Always Canape.

<p class="MsoPlainText"> 3C    = 14-15 HCP, 6+D, 4+C.

<p class="MsoPlainText"> 3D    = 14-15 HCP, 6+D, Denies 3H.

<p class="MsoPlainText"> 3H    = 13-15, 4+H, 6+D. Too good for 1S.

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<p class="MsoPlainText">''' After 1D-1H-1S* '''

<p class="MsoPlainText">'''

'''

<p class="MsoPlainText">''' 1NT   = 6-10 HCP, To Play opposite 4D & 4S. '''

<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-36.0pt">''' 2C    = Artificial Puppet. '''

<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:36.0pt">''' Either Weak (to play @ 2 level) OR Any G/F. '''

<p class="MsoPlainText">'''         Continuations: '''

<p class="MsoPlainText" style="margin-left:36.0pt">'''      Opener confirms their hand type with 2D or 2H. '''

<p class="MsoPlainText" style="margin-left:36.0pt">'''         Correcting 2D to 2H shows 6+H & 8-9 HCP. '''

<p class="MsoPlainText" style="margin-left:36.0pt">'''         Correcting 2D to 2S is TO PLAY. '''

<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-36.0pt">'''               All higher continuations are GF. '''

<p class="MsoPlainText" style="margin-left:36.0pt;text-indent:-36.0pt">''' 2X    = Constructive, (9)10-11 HCP. '''

<p class="MsoPlainText">''' 2NT   = Invitational. '''

<p class="MsoPlainText">''' 3D/3S = Natural, Strongly invitational 12-13 HCP. '''

<p class="MsoPlainText">''' 3NT   = To Play (Opposite D/S) '''

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<p class="MsoPlainText"> 1D - 1S

<p class="MsoPlainText"> ???

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<p class="MsoPlainText"> 1NT         = 13-15 balanced (can have 3c support)

<p class="MsoPlainText"> 2H          = Good Raise to 2S. Usually 4S, 13-15 HCP.

<p class="MsoPlainText">             '''**System ON in competition** '''

<p class="MsoPlainText"> 2S          = Weak Raise to 2S. Usually 4S, 10-12 HCP or 3S, 10-14 HCP.

<p class="MsoPlainText"> 2NT/3C/3D   = Same as after 1D – 1H.

<p class="MsoPlainText">''' 3H          = 13-15 HCP, 4S, 5+D, short hearts. '''

<p class="MsoPlainText">''' 3S          = 13-15 HCP, 4S, 5+D. short clubs. '''

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<p class="MsoPlainText"> <p class="MsoPlainText" style="border-style:none;padding:0cm;"> 1D – 1M - 1NT Continuations <p class="MsoPlainText">

<p class="MsoPlainText"> After a 1NT rebid, we play transfer check-back.

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<p class="MsoPlainText"> 1D - 1M - 1NT - ???

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<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt"> 2C                = Puppet, Either to play 2D, or continue with 2H/2S/2NT/3C/3D to show an invite.

<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">'''

'''

<p class="MsoPlainText" style="margin-left:108.0pt">''' Puppet then 3NT is choice of games. '''

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<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">''' 2D/2H/2S/2NT      = Transfers. If responder bids again, GF. Opener usually just accepts the x-fer. '''

<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">''' '''

<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">'''                  1D – 1H – 1NT – 2D* & 1D – 1S – 1NT – 2H* '''

<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">'''                  Show 9-10 HCP & 6M. Accepting the transfer shows a min. '''

<p class="MsoPlainText" style="margin-left:108.0pt;text-indent:-108.0pt">'''                  After 1D – 1S – 1NT - 2D*, Opener shows preference with 2H/2S. '''

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<p class="MsoPlainText">3 Level           ''' = ??Natural Balanced Slam Tries. Usually 4/4?? '''

<p class="MsoPlainText">'''                    Maybe these are better used to show 5/5s? '''

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<p class="MsoPlainText"> 4NT               = Quantitative.

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<p class="MsoPlainText" style="border-style:none;padding:0cm;"> 1D* - 1NT Response. <p class="MsoPlainText">

<p class="MsoPlainText"> Denies a 4cM. Less than game interest opposite 13-15 Balanced.

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<p class="MsoPlainText"> 1D - 1NT    =  5-9 HCP, no Major. (6-10 HCP when V vs NV)

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<p class="MsoPlainText"> Continuations:

<p class="MsoPlainText">''' 2C          = 5+C, To Play. Tends to show diamonds. '''

<p class="MsoPlainText"> 2D          = 5+D, To Play.

<p class="MsoPlainText"> 2M          = Shortage in a MAX diamond hand.

<p class="MsoPlainText"> 2NT+        = Canape C/D as above.

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<p class="MsoPlainText" style="border-style:none;padding:0cm;"> 1D – 2C <p class="MsoPlainText">'''

'''

<p class="MsoPlainText">''' 2C is ART, either: '''

<p class="MsoPlainText">         INV with 6+C or 

<p class="MsoPlainText">         G/F 4+C or 

<p class="MsoPlainText">'''         G/F Balanced (that doesn’t want to declare 3NT). '''

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<p class="MsoPlainText"> Opener’s 2H response is artificial and shows 13-15 Bal with good club support.

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<p class="MsoPlainText"> 1D - 2C

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<p class="MsoPlainText"> 2D    = 10-12 HCP, 6+D, NF.

<p class="MsoPlainText">''' 2H    = ART 13-15 Bal, Good club support, '''

<p class="MsoPlainText">'''         Then: '''

<p class="MsoPlainText">'''             2S = ART, puppet to 2NT. To show shortage OR play 3NT. '''

<p class="MsoPlainText">'''             3C = Natural, INV. '''

<p class="MsoPlainText">'''             3D/3H/3S = Natural, G/F. '''

<p class="MsoPlainText"> 2S    = Natural.

<p class="MsoPlainText">''' 2NT   = Nat, 13-15 Bal, Denying club support. '''

<p class="MsoPlainText">'''         Then: '''

<p class="MsoPlainText">'''             3C = Natural, INV. '''

<p class="MsoPlainText">'''             3D/3H/3S = Natural, G/F. '''

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<p class="MsoPlainText"> 3C    = 10-12 HCP, Minimum diamond hand with club support. NF.

<p class="MsoPlainText"> 3D    = 14-15 HCP, 6+D, GF.

<p class="MsoPlainText"> 3H/3S = Splinters – Showing 13-15 HCP, 4+D, 4+C and a shortage.

<p class="MsoPlainText">

<p class="MsoPlainText" style="border-style:none;padding:0cm;"> 1D – 2D <p class="MsoPlainText">'''

'''

<p class="MsoPlainText"> Natural, usually 5+D, 10+ HCP.

<p class="MsoPlainText">

<p class="MsoPlainText">''' 2H    = ART 13-15 Bal, Good diamond support, '''

<p class="MsoPlainText">'''         Then: '''

<p class="MsoPlainText">'''             2S = ART, puppet to 2NT. To show shortage OR play 3NT. '''

<p class="MsoPlainText">'''             3D = Natural, INV. '''

<p class="MsoPlainText">'''             3D/3H/3S = Natural, G/F. '''

<p class="MsoPlainText">''' 2S    = Natural. '''

<p class="MsoPlainText">''' 2NT   = Nat, 13-15 Bal, Denying diamond support. '''

<p class="MsoPlainText">'''         Then: '''

<p class="MsoPlainText">'''             3D = Natural, INV. '''

<p class="MsoPlainText">'''             3D/3H/3S = Natural, G/F. '''

<p class="MsoPlainText"> 3D    = 10-12 HCP, 4+D, NF.

<p class="MsoPlainText">''' 3C    = ???Splinter. (Despite being a non-jump)??? '''

<p class="MsoPlainText"> 3H/3S = Splinters – Showing 13-15 HCP, 4+D, and a shortage.

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<p class="MsoPlainText">''' This system is on in competition (if possible). '''

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<p class="MsoPlainText" style="border-style:none;padding:0cm;"> Higher Responses <p class="MsoPlainText">

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<p class="MsoPlainText">''' 1D - 2M  =  Weak, 4-8 HCP, 6+M. Can be weaker when NV. '''

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<p class="MsoPlainText"> Continuations:

<p class="MsoPlainText"> 2NT = Canape with longer clubs. (5D, 6C?)

<p class="MsoPlainText"> 3C  = Usually equal length (5/5?)

<p class="MsoPlainText"> 3D  = To play. Usually 7+D suit.

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<p class="MsoPlainText"> ---

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<p class="MsoPlainText">''' 1D - 3C/3D Intermediate, (6)7-9 HCP, Good 6+C suit. '''

<p class="MsoPlainText">

<p class="MsoPlainText"> Not INV but opener can convert to 3NT on a maximum hand with great minor support.

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<p class="MsoPlainText"> 1D - 3H/3S = Weak 4-7 HCP, 7/8+ Card suit.

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<p class="MsoPlainText"> ---

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<p class="MsoPlainText"> 1D - 2NT = 10 to 12 HCP.

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<p class="MsoPlainText"> Continuations:

<p class="MsoPlainText"> 3C = Natural, To play

<p class="MsoPlainText"> 3D = Natural, To Play

<p class="MsoPlainText"> 3H/3S = Shortage (suggests interest in 5m)

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<p class="MsoPlainText"> ---

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<p class="MsoPlainText"> 1D - 3NT = 13 to 16 HCP and a NT orientated hand

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<p class="MsoPlainText"> Continuations:

<p class="MsoPlainText"> 4C/4D, Natural, significant shape.

<p class="MsoPlainText"> 4H/4S, Shortage, slam interest.

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