Ключевые слова: against, background, battle, black, board, business, challenge, chess, chessboard, choice, choose, competition, concept, conflict, corporate, decision, defeat, defense, design, fight, game, goal, group, intelligence, king, knight, leader, leadership, leisure, man, market, marketing, move, objectives, offense, pawn, piece, planning, play, position, power, queen, sport, strategic, strategy, strength, success, think, trapped, victory,