qwery_hi Posted February 16, 2009 Report Share Posted February 16, 2009 In the auction - (playing 2/1) 1♣ - 1♠2NT - 3♦ (natural)3NT - 4NT, is 4NT quantitative or blackwood? Does the answer depend on whether keycard blackwood is used or not? Quote Link to comment Share on other sites More sharing options...
matmat Posted February 16, 2009 Report Share Posted February 16, 2009 this should be quantitative. a general rule of thumb is that if no suit is agreed on, 4N should not be an aceask. There are some exceptions to this, and people may have different agreements, but it is pretty clear in this case that it is quant. Quote Link to comment Share on other sites More sharing options...
orlam Posted February 16, 2009 Report Share Posted February 16, 2009 Raising a natural NT bid to 4NT is always natural. Quote Link to comment Share on other sites More sharing options...
P_Marlowe Posted February 16, 2009 Report Share Posted February 16, 2009 In the auction - (playing 2/1) 1♣ - 1♠2NT - 3♦ (natural)3NT - 4NT, is 4NT quantitative or blackwood? Does the answer depend on whether keycard blackwood is used or not? Quantitative. You could argue, that Blackwood would also bea reasonable agreement, since 2NT has only a 1 point range, i.e. quantitative is not that importantaymore, but it keeps the memory load at a lowlevel, if you play 4NT nt in this seq. also as quant. With kind regardsMarlowe Quote Link to comment Share on other sites More sharing options...
helene_t Posted February 16, 2009 Report Share Posted February 16, 2009 Raising a natural NT bid to 4NT is always natural. Yes, good and simple rule. There are some other situations in which 4NT can be agreed as quantitative although the last bid was in a suit, but one might want not to play those as they are more difficult to define. Quote Link to comment Share on other sites More sharing options...
kgr Posted February 16, 2009 Report Share Posted February 16, 2009 2NT shows 18-19. If 4NT is quantitative then you pass with 18 and bid on with 19? Quote Link to comment Share on other sites More sharing options...
mtvesuvius Posted February 16, 2009 Report Share Posted February 16, 2009 2NT shows 18-19. If 4NT is quantitative then you pass with 18 and bid on with 19? Pass with 16 and bid on with 18 :P. Yes, this is Quantitative because no suit has been agreed, Notrump was the last bid, and Gerber is still available (Yes, I said Gerber). Quote Link to comment Share on other sites More sharing options...
Patapon Posted February 16, 2009 Report Share Posted February 16, 2009 Raising a natural NT bid to 4NT is always natural. I agree with you. I also play than 3NT- 4NT is ALWAYS quantitative whatever the auction was. It is simple to remember and avoid a lot of problems. If I wish to ask blackwood I bid something else, then 4NT.It is now a BW. Béné Quote Link to comment Share on other sites More sharing options...
jdonn Posted February 16, 2009 Report Share Posted February 16, 2009 2NT shows 18-19. If 4NT is quantitative then you pass with 18 and bid on with 19? Pass with 16 and bid on with 18 :P. Yes, this is Quantitative because no suit has been agreed, Notrump was the last bid, and Gerber is still available (Yes, I said Gerber). Uh oh! The once a year announcement: Gerber must be a jump over 1NT or 2NT bids (that isn't otherwise natural). There is no Gerber over 3NT bids! Quote Link to comment Share on other sites More sharing options...
qwery_hi Posted February 16, 2009 Author Report Share Posted February 16, 2009 2NT shows 18-19. If 4NT is quantitative then you pass with 18 and bid on with 19? Pass with 16 and bid on with 18 :P. Yes, this is Quantitative because no suit has been agreed, Notrump was the last bid, and Gerber is still available (Yes, I said Gerber). Uh oh! The once a year announcement: Gerber must be a jump over 1NT or 2NT bids (that isn't otherwise natural). There is no Gerber over 3NT bids! I think I would take 4C here as a cue for an unknown suit which could be spades or diamonds. Quote Link to comment Share on other sites More sharing options...
Phil Posted February 16, 2009 Report Share Posted February 16, 2009 Uh oh! The once a year announcement: Gerber must be a jump over 1NT or 2NT bids (that isn't otherwise natural). There is no Gerber over 3NT bids! Sure there is; but its 5♣ usually. I have no idea if 5♣ should be Gerber in the original auction however. Quote Link to comment Share on other sites More sharing options...
npreik Posted February 17, 2009 Report Share Posted February 17, 2009 Not that easy, i think as many seem to think. If (as some stated) 4♣ is not available as Gerber, then 4NT should be Blackwood. In this auction 4C should be Gerber, so 4NT is quantitative (Possibly asking for help in ♦. Openers hand is well described and responder generally can place the contract. I can not see a hand, that needs 4C as natural. As often, the most important clues are the bids not made. Clues: Opener has not bid 3♥. So he has really no interest in a suit contract. Most probably some sort of misfit with too much in hearts and/or no clubs to be proud of. If opener bids 3♥, responder can always make a waiting bid of 3♠.Responder has not bid 4 ♦ or ♥. So he agrees with NT and is not sure if there is a source of tricks. Quote Link to comment Share on other sites More sharing options...
neilkaz Posted February 17, 2009 Report Share Posted February 17, 2009 Since 2NT shows a balanced 18-19 this 4NT is quant for me. The 3♦ was likely an attempt to find a fit either a 4-4 in ♦ (since natural is OP's sys) or to discover 3 card ♠ support. I'd play quant here, since if responder can certainly show great slam interest by bidding again at the 4 level and then ask for aces if opener doesn't. Quote Link to comment Share on other sites More sharing options...
Recommended Posts