Daily Tactic January 12, 2014

Harrwitz, Daniel - Morphy, Paul, Paris, 1858.

Harrwitz lived in England from 1849, and founded the British Chess Review. In 1856 he moved to Paris, where he won a match against Jules Arnous de Rivière. In 1858 he played a match against Paul Morphy in Paris. Harrwitz won the first two games, but lost the match 5½-2½. Wikipedia

White is threatening to win black's c-pawn and to promote his own. Morphy makes a simple but instructive maneuver. Black to move.