Game 299 in Philip W. Sergeant’s Morphy’s Games of Chess (1916), printed pages 345. Commentary from this edition; named earlier annotators remain credited in the notes. Printed biographical footnote: “Arthur Napoleon de Santos, American pianist.”

1. 4.b4 A speculation which succeeds, as far as gain of time is concerned.
2. 21…Nf8 An error leading to sudden and unexpected collapse.
3. 24…Rd8 Black’s best resource is 24…Kt—K3; 25 P×P, Kt×P; 26 Kt—Q6ch, K—B1, giving up Q for R and Kt.
4. 34…Rd7 White mates in 3. A neat finish to a game of rather unusual character at the odds of Rook.