Ключевые слова: background, battle, black, blue, board, challenge, check, chess, chessboard, chessman, chesspiece, color, competition, different, fight, figure, figures, fun, game, hobby, intellectual, leisure, many, mind, move, nobody, object, pawn, piece, pieces, planning, play, port, rook, skill, smart, sport, strategy, success, tactics, victory, war, white, win,