American Contract Bridge League.seneca casino seating chart RIVAL GAMING CASINO REVIEWS One of the most overlooked aspects of playing duplicate bridge is the importance of integrating scoring into your game strategy. Most of us know a game contract in a major suit results in a higher score than a contract of 3 NT. In the card game contract bridge, Gambling 3 NT is a special treatment of an opening bid of 3 NT. The bid is used to describe a hand containing a minor suit of at least seven cards in length and headed by the ace, king and queen, at minimum. Duplicate bridge stands in contrast to rubber bridge where each hand is freshly dealt and where scores may be more affected by chance in the short run. Gambling 3 NT. Game try. Honor point count.