Intermediate and newcomer players - sharpen your game with this series of tutorials. You can browse the index by topic, or read them in order. Learn even more at ACBL's Learn page.
N-S are vulnerable. You are South.
You hold: ♠ K4
Your left-hand opponent (West) opens 1♠, and Partner bids 3♣, showing long Clubs and a weak hand. At this vulnerability it is safe to assume that Partner has seven Clubs, all the more so considering that you have three of the Club honors in your own hand. Even though West is almost certain to hold the ♠A and the ♦K, slam looks possible. Do you bid 6♣ or 6NT? The answer is 6NT, protecting your ♠K from the opening lead. It’s called “right-siding the contract” and here is the complete deal: