Source: Bocchi & Madala Big Bang Bridge A member asked: Can you tell me the four necessary conventions for every day players to be introduced into a basic system 5M and 4D? Agustín Madala: 
  1. I think that the most important convention is Gazzilli.
2. The opening bids: 2club suit and 2 18-19 balanced. It gives you great benefits in the competition. 3. Then play full developments on openings: 1NT and 2 NT.

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