Roudi 2 Trêfle convention : 3 steps Roudi

Roudi 2 ♣ is the responder's second bid looking for a fit in his major suit.
This convention is used:

after a minor or a ♥ opening,
followed by a level 1 response in a major (which can be made with 4 cards only),
and the opener's rebid of 1NT (a balanced hand).

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Exercise E1179 The Roudi convention allows you to know how many ♠ your partner is holding (2 or 3).

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Exercise E1163 The Roudi convention is asking the opener for his spade count: 2 or 3 ?

The requirements for a Roudi:

five cards in the named major
a minimum of 11HCP with no upper limit. You need to be thinking about game.

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Exercise E1179 With 13HCP and 5 ♠ cards, the responder shows that game is possible, therefore he is asking the opener to give his ♠ count: 2 or 3?

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Exercise E1163 The Roudi convention, asking the opener for his spade count: 2 or 3 ?

The responses to the Roudi. Dominique recommends the 3 steps convention:

2♦ : no fit (only 2 cards)
2 ♥ : 3 cards in the responder's major and a minimum opening hand (12-13HCP)
2 ♠ : 3 cards in the responder's major and a maximum opening hand (14HCP)

We will use only these 3 responses to the Roudi.

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Exercise E98141 The opener has indicated that he has only 2 ♥ cards. The responder, with 14HCP, bids game in NT. If he'd had only 11HCP he would have gone for a 2 ♥ contract.

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Exercise E7558 The opener is showing a maximum hand with 3 cards in his partner's major suit. With 12 and a good distribution, the responder goes to game.

The consequences of the Roudi.
After the opener's 1NT rebid:

if the responder simply repeats his major suit, he promises 5 cards with less than 11HCP
if he repeats his major suit with a jump, it is a slam bid.

Why is the 3 steps Roudi ? Because the 4th response (2NT) gives information to the opponents and doesn't help the partner.
After a 2 ♦ response (no fit), the partner would bid 3NT anyway with 12HCP or else propose game by bidding 2NT.
If the responder has bid game in 3NT, the opener remains the declarer but, without the 4th response, the opponents don't know exactly how many points he has. This makes the defence more difficult!

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Exercise 20015 After a 1 NT rebid, a jump repetition is a slam bid. The opener will initiate the control sequence.

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Exercise E5373 After a 1 NT rebid, repeating the major suit promises 5 ♠ cards in a hand of 11 HCP maximum.

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Detail specifications UK10 - Level 1 ★

Roudi 2♣ convention : 3 steps Roudi

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