Playing polish club with 2/1gf structure is the most standard way to play polish club in Poland
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While you don't need Gazilli I find classical polish club 12-17 range a bit awkward to deal with in sequences when opener makes non forcing rebid (ex: 1D - 1S - 2C, 1S - 1NT - 2C etc.)
Maybe it's small difference but if you play gazilli you normaly have 17-21 in 2
♣. You also put very good 16's there. In polish club this range is wider. It's the system I am most familiar with and given the choice I would much prefer to play either precision style (11-15openings) or "standard" 11-22 openings (with gazilli of course)