The endgame and tactics are two of the most important areas of study for players who are below expert strength. In this week's quiz, engame concepts are combined with tactical motifs to create some deceptively difficult problems. Only five problems because their degree of difficulty is high. All white to move and gain a winning advantage or checkmate.
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Samuel Loyd (January 31, 1841 ’Äì April 10, 1911), born in Philadelphia and raised in New York, was an American puzzle author and mathematician. As a chess composer, he authored a number of chess problems, often with witty themes. At his peak, Loyd was one of the best chess players in the U.S., and was ranked 15th in the world. In 1866, he invented the "Triple Loyd." These puzzles are in three parts: first place the black king in checkmate, next place the black king in stalemate and finally place the black king so that white has a mate in one, then give the mating move.