Paul Morphy defeated Johann Jacob Loewenthal in two games played in New Orleans in 1850. In the first game, Morphy's white pieces defeated Loewenthal's black pieces through superior piece coordination and activity, culminating in an exchange sacrifice and pawn promotion that led to resignation. In the second game, Morphy's white pieces overwhelmed Loewenthal's black pieces through an early kingside attack, sacrificing material for initiative and gaining a winning position.