Blackwood convention Blackwood convention In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley Blackwood. It is used to explore the partnership's possession of aces, kings and in some variants, the queen of trumps, to judge more precisely whether slam is likely to be a good contract. Two versions of Blackwood are common: "standard" Blackwood, developed by Easley in 1933, and "Roman Key Card" Blackwood ("RKC" or "RKCB"), named for the Italian team which invented it. Standard Blackwood enables one partner to count partnership aces and kings in general. Key card variants
Tactic (video game) Tactic (video game) Tactic is a video game, originally released for the Acorn Archimedes in 1990 by Eterna. It takes the form of a falling block puzzle. "Tactic" is a falling block puzzle as popularised by the game "Tetris". Unlike that game, all of the blocks are the same size but are a number of different colours (and on systems that cannot display enough colours, different shapes). The aim of the game is to drop the blocks so that blocks of the same colour form set patterns (e.g. a line in a set direction or a cross). The patterns required