1NT(3-card support that wants to play 3NT goes through here), RF = from a passed hand too
2♣︎all-purpose force, GF (from a passed hand: 3+♠︎)
2♦︎5+♦︎, denies a ♠︎ fit, GF (from a passed hand: 5+♦︎)
2♥︎5+♥︎, denies a ♠︎ fit, GF
2♠︎constructive raise
2NTINV with a shortage; over it (3♣︎ – relay, TRF SHO)
3♣︎GF with 4-card support, may contain a shortage (singleton A/K)
3♦︎INV with 3-card support, unbalanced hand, or 4-card support with a balanced hand
3♥︎mixed raise 6–9 (has defensive values)
3Mpreemptive; you may also have more points, but with few defensive values
3NT3-card support, balanced (13-16), pick a game; then 4x is a shortage with a lot of shape, usually a void; if not a void, it is a shortage with a strong 64 or 7 cards
4xvoid
4Mto play
3♣︎I accept only opposite the normal invitation
3♦︎minimum and unbalanced, I am undecided
3♠︎I do not accept opposite anything
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