"Double" says "3-6 card ♣,2-6 card ♦,2-6 card ♥,2-6 card ♠,18-19hcp".
but this is not always the case,my hand is just a example,so I suggest to modify its explanations into "Penalty with over 7 tricks!"
Posted 2014-May-10, 17:39
Posted 2014-May-10, 18:59