Opening 1 Diamond shows unbalanced hand

Written by Keith Schwols in ModernMinors on Fri 17 July 2026. Tags: ModernMinors, UnbalancedDiamond,

Requirements to open 1♦

Our 1♦ opening bid is restricted (slightly). When we open 1♦ we are stating that we have 4 or more diamonds and a singleton or void in a side-suit. If we don't have a singleton or void, then we will have at least 6 diamonds. This …

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Overview of Opening 1 Club and Transfer Responses

Written by Keith Schwols in ModernMinors on Tue 15 July 2025. Tags: ModernMinors, TacoClub,

We have restrictions when opening 1NT, 1 of a Major and 1♦ promises an unbalanced hand. That means the remaining opening hands will be opened 1♣.

Those cases would be:

• 12-14 HCP, balanced
• 12-21 HCP, unbalanced, with a biddable club suit
• 15-21 HCP, semi-balanced, with a twice biddable club suit …

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