MrQ: Seems like West should have opened 4♥ straight away. Anyway he opened 3♥, shouldn’t North first double and then (after 3♠ from South) bid 4♦ (showing 16+) which South would then raise to 5♦? What if West opened 4♥ – what should North bid?
It seems that in this super modern age of bridge the penalty double is obsolete. But surely most of us still play the double of a weak 1NT opening as basically a PENALTY double? What do you need to double a 1NT opening? I go