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.
At a Club duplicate the entire N-S field was having a bad day and missed the lay-down slam. Instead, they played in 3NT making the obvious 12 tricks, except at the table where a tricky Declarer scored an extra trick from an unlikely source. Yes, there was some false-carding involved, but where did that 13th trick come from?