Having the right mindset is an important part of approaching a declarer play problem. When you are in a good contact start to consider “What could go wrong?!?” and when you are in a bad contract start to make assumptions that good things are going to happen for you!
(489) Advanced Card Play: Combining Chances
(488) Constructive Bidding: Modern Gazzilli
(487) Competitive Bidding: When to Overcall a 4-card Suit
(486) Competitive Bidding: Dealing with 4-Major Jump Overcalls
(485) Competitive Bidding: Bidding Over the Opponent's 3+Level Preempts
(484) Competitive Bidding: Leaping Michaels
(483) Competitive Bidding: Competing Over 2-Level Preempts - Lebensohl
(482) Competitive Bidding: Simple Overcalls by Level
(481) Competitive Bidding: Unusual 2NT
(480) Competitive Bidding: Michaels Cuebid
(479) Defensive Carding: Partnership Defense Philosophy
(478) Defensive Carding: Dummy has Qxx+
(477) Defensive Carding: More Suit Preference
(476) Defensive Carding: Suit Preference Signals
(475) Defensive Carding: Smith Echo (Reverse)
Against a NT contract, when the opponents win the first trick and attack another suit they are often leading their best suit. In this case, we have an opportunity to communicate with partner. Smith Echo is an agreement that makes use of this situation to tell partner if the opening lead was good or not.