Ключевые слова: background, battle, black, board, boss, business, businessman, challenge, check, checkmate, chess, chessboard, competition, concept, decision, defeat, design, economic, fight, finance, game, idea, intelligence, king, knight, leader, leadership, leisure, manager, move, object, pawn, piece, planning, play, power, queen, risk, sport, strategic, strategy, success, successful, team, teamwork, thinking, victory, war, white, win, winner,