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Detail specifications 12IR - Level 2

The number of cards promised by the opener's rebid of their opening suit after a 1-level change of suit.
After a 1-level response, the rebid of the suit promises 6 cards if and only if the announced suit is adjacent to the opener's suit: Examples:
  • SONE
    1 Pass 1 Pass
    2 Pass
    the opener does not promise 6 clubs (hearts are not adjacent to clubs)
  • SONE
    1 Pass 1 Pass
    2 Pass
    the opener promises 6 diamonds (hearts are adjacent to diamonds)
  • SONE
    1 Pass 1 Pass
    2 Pass
    the opener promises 6 clubs (diamonds are adjacent to clubs)
  • SONE
    1 Pass 1 Pass
    2 Pass
    the opener promises 6 hearts (spades are adjacent to hearts)

This is a non-forcing bid that promises a strength of 12-17 HCP.