RBB4

4.1 1-Major Response

4.2 Opener Raises

4.3 Opener Jump Raises

4.4 No 4+Card Majors

4.5 1C - 1D

4.6 2NT Invitational

4.7 Jump to 3NT

4.8 Nothing to Protect

4.9 Weak Jump Shift

4.10 Jump Invite