📕 This book is designed to highlight the advantages and disadvantages of the three major bidding systems: Standard American, 2/1, and Precision Club, as well as the Bergen Raise system. Solutions are offered for each disadvantage.Proposals for additional conventions, such as the weak NT and Jacoby transfers, are contained in a simplified model chart of each system. There are also innovative proposals for showing a five-card major, overcalls, and slam bidding. You will also find chapters on various conventions, irregularities in bidding, probabilities, filling out the convention card, playing in a team event, and scoring.