in my Polish Club System Major Raises: 1♠ - ? 4m/3NT = Void-splinter 3♠ = Pre-emptive 3♥ = sigleton-splinter 3♦ = mixed/limit raise 3♣ = GF raise 2NT = Fit-showing/also can rebid a sigleton Now I bid 2NT, if pd 3♦, then I can show my Void, if pd 3♣ simple 4♠. Is it a method?