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Play bridge with Wbridge5!

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Wbridge5 Conventions
Available systems
Hand evaluations
Opening Bids
Up to 2NT
Pre-emptive
Responses to openings of: 
1 of a suit
1 NT
2 ♣
2 , 2, 2 ♠
2 NT
Responses to Stayman
Opener's rebids
Competitive bidding
Intervening bids
Doubles
The Sputnik double
Michael's cue-bid
Options
Optional conventions
The weak two
Suit agreement
Games and slams
Departures from the SEF

Pre-emptive Openings

General Requirement

Less than 10 High Card points, except in the case of immediate bids at game level. The following minimum requirements can vary according to the vulnerability, and point counts include length but not distributional points.

4-level Openings

At least 11 points and a 7-card suit.

3-level Openings

At least 10 points and a 7-card suit. At favourable vulnerability, this bid may be made with a 6-card suit when partner has passed.

2-level Openings

For further information see The weak two