Ключевые слова: achievement, background, battle, black, business, businessman, challenge, check, checkmate, chess, chessboard, closeup, competition, concept, corporate, decision, fight, figure, game, idea, intelligence, intelligent, investment, leader, leadership, leisure, logics, management, manager, pawn, piece, plan, power, solution, sport, stock, strategic, strategy, success, successful, symbol, tactic, tactics, team, think, victory, white, win, work,