Gazzilli in combination with Kaplan Inversion

Conventional 2♣ bid by OP after 1♠-1NT  and 1♥-1♠ shows natural bid or balanced hand 14-19 or any strong hand 17+, except 6♠4x, 17+ for which the bidding goes 1♠-1NT-2NT

1♥ - 1♠    =    0 – 4 ♠, 6-11

1♥ - 1NT    =    5+ ♠, 6+ HCP

1♠ - 1NT    =    6-11

After showing 55+,14-16:

3 in OP's M    =    SO

all bids 3NT and above = SO

4m in OP's m shows fit, GF 

If 2 ♣ (Gazzilli) is doubled:

pass    =    5+♣

2♦    =    5+♦, 5-7

rdbl    =    9+

later doubles are for T/O

If 2 ♣ (Gazzilli) is overcalled:

dbl    =     9+, if OP can still bid 2M, else 11+

later doubles are for T/O