Meejawa Posted May 17, 2020 Report Share Posted May 17, 2020 My partner is from Europe and said he played a system that opened 5 card majors and weak NT (12-15 hcp). I had played some ACOL as well as American Standard. We combined our methods and now open: 5+ card D, H and S (12-15 hcp), weak NT (12-15 hcp), weak 2's with strong 2C (22+ points). All hands with 16 - 21 points are opened with 1C before bidding NT or 5 card suit. Is this part of a recognized bidding system. If so, where can we find more information on the system? Quote Link to comment Share on other sites More sharing options...
glen Posted May 17, 2020 Report Share Posted May 17, 2020 My partner is from Europe and said he played a system that opened 5 card majors and weak NT (12-15 hcp). I had played some ACOL as well as American Standard. We combined our methods and now open: 5+ card D, H and S (12-15 hcp), weak NT (12-15 hcp), weak 2's with strong 2C (22+ points). All hands with 16 - 21 points are opened with 1C before bidding NT or 5 card suit. Is this part of a recognized bidding system. If so, where can we find more information on the system?If you have 12-15 with 5+ clubs, what do you open? Quote Link to comment Share on other sites More sharing options...
hrothgar Posted May 17, 2020 Report Share Posted May 17, 2020 It actually looks a bit like the Vienna system or Klinger's Power System (With a weak NT grafted on) Quote Link to comment Share on other sites More sharing options...
Meejawa Posted May 20, 2020 Author Report Share Posted May 20, 2020 We bid 1♣ then rebid 2♣ with 12-16 point or 3♣ with 17-21 points. Quote Link to comment Share on other sites More sharing options...
helene_t Posted May 21, 2020 Report Share Posted May 21, 2020 5551 systems are quite common but usually with a strong artificial 2♣ opening and wide-ranging 1♦/♥/♠ openings, so that the 1♣ opening is balanced or clubs. I know one pair who plays something like this, though. They don't have a great way of showing strong unbalanced hands with 5 clubs:1♣-stuff2♦ would show long diamonds, so with 4♦5♣ they would have to rebid 3♣. They mostly avoid this problem by letting responder show points in steps. So opener can basically rebid 2♣ if he doesn't want to be in game and 3♣ if he does. So if you rebid 3♣ on a 5-card suit, at least it will always be forcing. Quote Link to comment Share on other sites More sharing options...
nullve Posted May 21, 2020 Report Share Posted May 21, 2020 From Jan Eric Larsson's A Bridge System Collection: Breakthrough* 1.78 This system was invented by Robert Sundby and played byKatz-Cohen. Information from Henk Uijterwaal, Hamburg, Germany. Breakthrough Opening Bids1C 17-22 any shape1D 12-22 4+ diamonds1H 12-22 4+ hearts1S 12-22 4+ spades1N 14-16 balanced2C 23+ any shape2D 12-16 6+ clubs, 0-2 D, 0-3 H/S2H 7-11 6 hearts2S 7-11 6 spades2N 21-22 balanced Natural responses after 1C. 1D/H/S can be canape, and 1N is the onlyforcing response.Note the 2♦ opening. Quote Link to comment Share on other sites More sharing options...
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