Game 167 in Philip W. Sergeant’s Morphy’s Games of Chess (1916), printed pages 227. Commentary from this edition; named earlier annotators remain credited in the notes. Source footnote: Dr. B. I. Raphael, b. Richmond, Virginia, 1818; appeared at the American Chess Congress as representative of Kentucky, winning 4th prize; d. 1880.

1. 5…Nf6 Threatening Kt—R4. White’s reply is therefore forced.
2. 11…Rg8 M.L. suggests 11…P—Kt5; 12 Kt—K1, P—KB4; 13 P—KR3, Kt—Kt6; 14 R—R2, KB×P; 15 P×P, Q—QKt3!
3. 15…O-O-O Pretty but at the same time forced, owing to Black’s poor position. The sacrifice ought not to have been so effective, had not White been greedy in move 18.