Ключевые слова: battle, board, boss, business, businessman, careful, challenge, check, checkmate, chess, chessboard, competitive, concept, conflict, decision, evening, gambit, game, hours, intelligence, king, knight, leadership, leisure, long, man, management, match, move, night, office, overnight, pawn, piece, planning, play, player, queen, risk, sacrifice, smart, strategic, strategy, tactics, teamwork, thinking, victory, white, winning, wise,