RBB4

4.1 1-Major Response

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4.2 Opener Raises

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4.3 Opener Jump Raises

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4.4 No 4+Card Majors

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4.5 1C - 1D

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4.6 2NT Invitational

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4.7 Jump to 3NT

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4.8 Nothing to Protect

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4.9 Weak Jump Shift

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4.10 Jump Invite

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