Topic
V Modified Jacoby 2NT
V 1M
V 2NT Artificial and Limit 4+M
V 3♣ Artificial; a minimum opener, any shape this includes 15-16 flat hands even though these hands will bid game over a limit raise.
V 3♦ Artificial shortness ask with slam interest
* 3♥ short clubs
* 3♠ short diamonds
* 3N short other major
* 4x no shortness, forced to control bid cheapest ace or king
V 3♦ Balanced or Semi-balanced had with good 16 or better, no singleton or void.
V 3♥ (whether suit is hearts or spades) Unspecified shortness, stronger than limit raise as responder didn't splinter initially). Opener can bid 3♠ to ask for shortness or bid game.
V 3♠ Ask for short suit
* 4♣ Clubs
* 4♦ Diamonds
* 4♥ other major
* 3♠ control in other major
* 3N non-serious slam try
* 4♣/4♦ control in suit bid, extras
* 4M limit raise values with no shortness
* 3♥/3♠/3NT artificial, extras, shortness in ♣/♦/OM
* 4♣/4♦/4♥ Two suiter, 4♥ shows spades when hearts are trump