Grand slam force Grand slam force The Grand Slam Force is a bidding convention in contract bridge that was developed by Ely Culbertson in 1936. It is intended to be used in cases where the combined hands of a partnership are so strong that a slam (winning at least 12 tricks) is a near-certainty and a grand slam (winning all 13 tricks) is a possibility. It allows one partner to gain information on the quality of trumps in the other partner's hand. When this convention is in force, a bid of 5NT (five notrump), when it does not conflict with other conventions used
Tricks of the Light Tricks of the Light "Tricks of the Light" is a single by musician Mike Oldfield released in 1984 and is from the Virgin Records album "Discovery". Maggie Reilly and Barry Palmer perform vocals for this song. The single's B-side, "Afghan" (working title "Celtic", is a non-album track, and was recorded at the same time as the "Discovery" album. The single also features an instrumental version of "Tricks of the Light". The music video for "Tricks of the Light" is a mock-live performance of the song and focuses on a girl in the audience. Interspersed are non-concert scenes of the same