Ключевые слова: abstract, background, battle, black, board, business, challenge, chess, chessboard, choice, competition, competitive, concept, conflict, corporate, decision, defeat, defense, fight, figure, game, group, illustration, intelligence, isolated, king, knight, leadership, leisure, market, marketing, move, object, objectives, pawn, piece, plan, planning, play, power, queen, sport, strategy, success, teamwork, tournament, trapped, victory, war, white,