These guidelines are subject to partnership agreement and vulnerability. Aggressive pairs may preempt with shorter suits, especially when not vulnerable.
A weak jump overcall shows 5-10 high card points, although vulnerability too is a consideration. For instance, it may be advisable to pass rather than preempt at unfavorable vulnerability with only 5 points.
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Response | Meaning |
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| Shows 3 or 4-card support and approximately 6-13 points (insufficient values for a game contract). It is preemptive and completely non-forcing. |
A jump raise | Usually shows a weak, preemptive hand (with at least 4-card support). It is also common to make a |
A new suit | Natural and non-forcing, typically showing a 6-card suit and denying support for partner's suit. |
2NT | Depends on partnership agreement. It can be played as natural and invitational to 3NT, or it can be played as an artificial force, showing any type of good hand. Overcaller can bid a side suit feature (i.e. an ace or king), or simply rebid his suit at the cheapest level. |
A cuebid of an opposing suit | Usually played as a forcing raise with interest in game. With a minimum hand, overcaller can rebid his suit at the cheapest level. With a strong hand, overcaller can bid game or a side suit ace or king. |
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1 Weak. |
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