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Detail specifications 12RB - Level 4 ★

The opener fits the responder's major

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1)The opener has a four-card fit in the responder's major,

  With a first-zone hand (12-14HCP), the opener fits at level 2
  With a second-zone hand, the opener fits at level 3. This non-forcing bid is a game proposal.
  With a third-zone hand: support at level 4, Splinter or the first control, depending on strength and distribution.

S	W	N	E

Problem E1197
The low level support indicates
- a 4-card fit in hearts and an ordinary first-zone opening (12-14HCP)

S	W	N	E

Problem E1204 Jump support to show the 4-card fit and second-zone strength.

The opener has a fit and a third-zone hand.

without anything extra , triple raise at level 4 in the major
with a void or a singleton, Splinter (double jump shift in that suit)
with a slam hand, Splinter or the first control

S	W	N	E

Problem E1203Game...and nothing else!

S	W	N	E

Problem E1208Splinter with this strong hand

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