Ключевые слова: background, battle, black, board, business, challenge, charge, checkmate, chess, chess opening, chess piece, chessboard, competition, concentration, concept, defeat, dynamic, enemy, expertise, fight, focus, game, game on, goal, idea, improvement, intelligent, king, knight, know, leader, leadership, lifestyles, logical, mind, move, move on, pawn, play, queen, responsibility, sharp, solution, strategic, strategies, strategy, success, thinking, victory, white, winning,