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