Ключевые слова: battle, black, board, business, businessman, challenge, chess, chessboard, competition, concept, controls, crown, decision, detail, fight, game, hand, intelligence, king, leader, leaders, leadership, leisure, manager, market, move, pawn, piece, pieces, play, player, power, risk, sport, strategic, strategy, success, success concept, successful, successful business, tactic, takeover, team, teamwork, think, victory, white, win, winners,