Serious 3NT Serious 3NT Serious 3NT is a contract bridge bidding convention. It is used in game-forcing auctions where a major suit has been agreed upon. 1–2 if using 2/1 Game Forcing or 2–3 (Agreeing spades) The next bid indicates suitability for slam: Since Spades are the agreed trump suit, Three No Trump is not usually the best contract. Using Serious Three No Trump, a bid of Three No Trump says "I am Serious about slam", i.e. "I have a good hand". Bypassing bidding Three No Trump says "I am not Serious about Slam". Examples shown in the above auction. If one
Japanese auction to the ante in Poker. Japanese auction A Japanese auction (also called ascending clock auction) is a dynamic auction format. It proceeds in the following way. Suppose a buyer believes that the value of the item is "v". Then this buyer has a simple dominant strategy: stay in the arena as long as the displayed price is below "v"; exit the arena whenever the displayed price equals "v". This means that the Japanese auction is a truthful mechanism: it is always best to act according to your true value, regardless of the others' values. When all buyers play their dominant