Morphy at the odds of his Queen's Knight against Mr. Worrall — a French Opening which White develops fully before opening active operations on the King's side. Notes by Löwenthal.
3…Nc6This permits White to advance his Q's P. without hindrance, and is consequently a weak move. P. to Q. B's 4th is Black's correct play.
19.g4White, now having all his forces well developed, commences active operations, and continues them ably to the close.
24.Nxg6+The finishing stroke.
J. Löwenthal, Morphy's Games of Chess (1860) · Public domain · source