Intermediate 24/9/2015 Hand 22

Board 22 East Deals E-W Vul	♠ 7 6 ♥ A 10 8 7 5 ♦ 9 6 5 ♣ A K Q
♠ K 9 4 ♥ Q 6 4 2 ♦ J 8 7 3 2 ♣ 10	N W E S	♠ Q 10 8 2 ♥ J 9 3 ♦ A ♣ J 9 6 4 3
	♠ A J 5 3 ♥ K ♦ K Q 10 4 ♣ 8 7 5 2

NS 2N; NS 2♦; NS 2♣; NS 1♠; NS 1♥; Par +120

West	North	East	South
		Pass	1 ♣
Pass	1 ♥	Pass	1 ♠
Pass	3 ♣	Pass	3 NT
All pass

Lead: ♦ 3

3C is invitational only in ACOL.
South's opening of 1C vs 1D is a matter of partnership style. On the one hand it can confuse pard about the value of his high cards, eg upgrading a CQ. On the other it confuses oppo about what to lead.