Bmb logo header 250
Bmb club white 30

Welcome

Bmb club white 30

Week 0284 : 1st December 2025

LOOSE DIAMOND

An arrangement to open 1♦ without a genuine diamond suit. This is common with variations of the Precision system.

Back to Glossary

Join the free Bidding Quiz Membership
For Access

The BMB Bidding Quiz is available for free by joining the BMB Bidding Quiz membership. Joining only takes a minute and is absolutely free - no card required.
Join Now