Ключевые слова: achievement, battle, board, business, businessman, challenge, checkmate, chess, chessboard, competition, competitive, concentration, confident, conflict, corporate, decision, education, executive, fighting, game, hobby, intelligence, king, leader, leadership, leisure, looking, management, move, object, occupation, opportunity, opposite, partner, pawn, people, planning, play, player, playing, recreation, sport, strategic, strategy, success, successful, tactics, thinking, two, winner,