Systems featuring an opening pass in first or second position to show about 16+ points. Few tournaments allow these partly because of the need to prepare a defence to the concomitant weak opening bids and partly because of their parasitic nature.
Systems featuring an opening pass in first or second position to show about 16+ points. Few tournaments allow these partly because of the need to prepare a defence to the concomitant weak opening bids and partly because of their parasitic nature.