Ключевые слова: background, battle, black, board, boss, business, businessman, challenge, checkmate, chess, chessboard, competition, concept, decision, education, fight, figure, game, hand, king, knight, leader, leadership, leisure, manager, move, piece, pieces, plan, play, player, playing, power, problem, queen, retro, sport, strategic, strategy, success, successful, symbol, tactic, team, think, thinking, victory, win, woman, wooden,