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Detail specifications 67A1 - Level 3

Ghestem convention

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Ghestem convention
Convention devised by Pierre Ghesthem.When playing Ghestem, after an opposing one-level opening, the three overcalls mentionned denote the three possible two-suited hands in the suits excluding the open suit :
  • 2NT : shows the two lowest-ranking unbid suits
  • 3 : shows the two hightest-ranking unbid suits
  • Cue-bid : shows the top and the bottom-ranking unbid suit