Morphy against Barnes — a casual game from the London 1858 series, the opening resolving into a Scotch. The sacrifice of a Pawn with the exchange of Queens leaves Black unable to stop the King's Pawn from Queening.
4.Bc4This mode of play, resolving the opening into a Scotch game, is quite sound, and was adopted in one of the consultation games between Messrs. Staunton and Löwenthal at the St. George's.
4…Be7Kt. to K. B's 3rd is the correct play.
11.Qa4Keeping the Knight confined, and preventing his defending the threatened K's P.
12…Nc5In the circumstances this was the proper move.
26.Rd1Finely played; the sacrifice of the Pawn, with the exchange of Queens, renders Black unable to stop the King's Pawn from Queening, excepting by the loss of a piece.
J. Löwenthal, Morphy's Games of Chess (1860) · Public domain · source