After 1♥,Gib N jump bid 3♦ or 4♦ is appropriate,however after 2♥,Gib N jump bid 4♦ is inappropriate since it can't increase its values after 1♥ and 2♥.
so I have to say both of 2♦ and 4♦ are same story and same values.
Posted 2014-April-10, 02:27
Posted 2014-April-10, 08:48