Bridge/Bidding Systems

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A bidding system is a collection of conventional agreements to be used. A system should cover all frequent bidding sequences, including all opening bids, responses to opening bids and all overcalls.

Classification[edit | edit source]

  • A natural is green
  • A system using 1♣ or 1♦ as artificial strong opening (usually showing 15/16/17 or more HCP) is blue
  • A system that contains a convention that falls into the highly unusual method category is yellow(HUM)
  • A system that does not fall into the above 3 categories is red

Green Systems[edit | edit source]

Blue Systems[edit | edit source]

Precision Club

Magic Diamond

Big Diamond

Red Systems[edit | edit source]

Yellow Systems[edit | edit source]