Contract Bridge

Negative double

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Negative doubles is a convention.

The negative double is a direct double made by the responder after a direct overcall. For example, the doubles in the following sequences are negative doubles:

South West North East
1 1 X
South West North East
/ 1 1 X
South West North East
/ / 1 1

It promises a responding hand (6+ points), 4 cards or longer in the unbid major (or both minors if both majors have been bid), and the inability to bid that suit directly when only one major is shown.

The double in the first example above shows 4 s, 6+ points or 5+ s, 6-9 points. A direct 2 response would mean 5+ s, 10+ points in this case.

The double in the second example above shows exactly 4 s, 6+ points. A direct 1 response would mean 5+ s, 6+ points in this case.

The double in the third example above shows 4-4 in the majors. A direct major response would deny another major.


penalty double - takeout double - negative double - responsive double
support double - maximal double - Lightner double - lead-directing double
optional double

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