Konter a Matt jack 1, 10 and 9 nothing. At the beginning of one game, the trump suit is fixed. Additionally, three cards are always trumps: the queens of spades Q, hearts Q and diamonds Q are always trumps. This is what gave the name to the game: the two queens of hearts Q and diamonds Q are the two Kontra trumps, the queen of spades Q is the “Matt”. As a consequence, in a match, depending on which suit is the trump, there are nine or eight trumps, four possibilities, the value of the cards is as follows (from highest to lowest,
Auction items. Bid shading is placing a bid which is below the bidder's actual value for the item. Such a strategy risks losing the auction, but has the possibility of winning at a low price. Bid shading can also be a strategy to avoid the Winner's curse. This is the practice, especially by high-end art auctioneers, of raising false bids at crucial times in the bidding in order to create the appearance of greater demand or to extend bidding momentum for a work on offer. To call out these nonexistent bids auctioneers might fix their gaze at a point in the