Ключевые слова: background, battle, black, board, business, challenge, check, checkmate, chess, chessboard, closeup, competition, concept, decision, defeat, fallen, fight, game, group, hobby, intelligence, king, leader, leadership, leisure, many, move, object, opponent, piece, pieces, plan, planning, play, player, power, professional, sport, strategic, strategy, success, tactics, team, teamwork, thinking, tournament, victory, white, win, winner,