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