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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:
This is a non-forcing bid that promises a strength of 12-17 HCP.
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:
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the opener does not promise 6 clubs (hearts are not adjacent to clubs)S O N E 





the opener promises 6 diamonds (hearts are adjacent to diamonds)S O N E 





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the opener promises 6 clubs (diamonds are adjacent to clubs)S O N E 





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the opener promises 6 hearts (spades are adjacent to hearts)S O N E 





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