DinDIP Posted February 10, 2021 Report Share Posted February 10, 2021 I'm looking for information about non-relay auctions in Delta, Slawinski's system that has one bid for BAL/semi-BAL hands and others for hands with singletons or voids. I've read Slawinski's 1979 booklet Delta and the even shorter description in Slawinski's and Ruminski's Introduction to Weak Opening Systems and Regres System but only relay auctions are discussed. My initial thinking is to playstep = relaystep+1 = weak relay, less than INV, NFnew suit = NAT, NF, suggests 6+card suit if opposite shortness and five cards otherwise.However, if one of the shortness openings shows a minor-suit shortage (so different from Slawinski's recommended structure) then there look to be advantages in artificial responses that show major-suit length. Has anyone tried Delta or a Delta-like system? How did you develop both competitive and non-competitive auctions? Quote Link to comment Share on other sites More sharing options...
Kungsgeten Posted February 10, 2021 Report Share Posted February 10, 2021 To me it seems reasonable to play some kind of transfer structure over 1C (8-12 no shortness). Using responses at the two-level as "to play" seems okay. Not sure regarding the shortness-showing openings. Quote Link to comment Share on other sites More sharing options...
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