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Detail specifications UB14 - Level 1

The opener repeats his major

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The repetition of his major by the opener after a 2/1 response
The repetition of his major by the opener may be the only option to keep the bidding at a low level. Let's not forget that the 2/1 response is auto-forcing.
  • The repetition of his suit by the opener is simply a waiting bid that shows a 1st zone hand (12-14HCP)
  • The jump repetition of his suit by the opener shows a solid 6 carder in a 2nd zone hand.(15-17HCP)
Exercice E20372
The opener has no choice but to repeat his , even though he only has 5 cards. (2SA would show 15-17HCP...which the opener does not have...)
 
SWNE
1
Pass
2
Pass
2
Q
8
5
A
J
9
7
5
2
5
K
Q
4
Exercice E20373
The opener repeats his ; Here, he has 6 cards but 6 cards were not guaranteed by his rebid ! He could have had 5 cards only