two comments,#1 the 1d opener with 11 hcp is questionable #2 in the above auction, I would have bid 3 spades (invitational) instead of 3 diamonds. Opener could just as easily have 3 spades and 13 hcp for their bidding and rebid their diamonds, rather than raise spades with only 3 card support. With their minimal opener, he would pass 3 spades which has a chance