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Week 0180 : 4th December 2023

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INTERFERENCE BID

Any defensive overcall made to obstruct the opponents’ bidding. It is not strength showing or constructive. Jump bids may be constructive for pre- emptive interference.

For example:

Since neither West nor East could open the bidding, it is unlikely that they will buy the contract. West’s interference overcall reduces North’s responding options and will help East with the opening lead if North becomes declarer.

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