Index--Items beginning with O

Opener's first bid

• Balanced 12-14
• Balanced 15+
• Unbalanced
• Hands of 4-4-4-1 shape

Opener's second bid

• After a 1NT opening and a suit response
• After a 1NT opening and a NT response
• After an initial suit bid with balanced hand of 15+ points
• After an initial suit bid with an unbalanced hand of 12+ points
• With a 4-4-4-1 shape

Overcalling

• Their suit bid
• Their no-trump bid

Odds and ends

• Origins of bridge

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