Schulten–Morphy, New York 1857 — a King's Bishop's Gambit in which the young Morphy sacrifices a pawn to keep the White king from castling, then opens every line against it for a storming attack. Emanuel Lasker gives it among “some of Morphy's games” in Common Sense in Chess (1896); his public-domain notes follow.

1. 7…f3 The White King stands in an unobstructed file, so Morphy sacrifices his Pawn to prevent the King from castling with safety. It will be remarked that after the sacrifice the defensive power of the White K R and K B Pawn becomes very weak, both of these Pawns being isolated.
2. 9.h4 It would have been better to defend by a developing move, such as (9) B - K 3, when the following play might ensue: (9) ..., R - K; (10) Q - Q 2, Q - K 2; (11) Kt - K 4, B - K B 4; (12) B - Q 3.
3. 10.Ne4 Occupying one of White's strong points, only to be attacked by the K B P or Q B, therefore an excellent obstruction.
4. 12.Kc3 Here he unnecessarily exposes himself to new dangers. P - B 3 would have provided a safe retreat to the King.
5. 12…b5 Quickly opening up all the lines on the side which the White King has chosen as refuge.
6. 13…c6 Now he threatens Q - R 4 ch., so he indirectly forces White to remove the well posted Kt from K 4.
7. 18…Rac8 Every one of Black's pieces has now long open files, in consequence of the energetic attacking manoeuvres of the last six moves.
8. 19.Kd2 Black threatened to win a piece by Kt or Q takes Pawn. K - Kt 2 would have lost immediately on account of (19) ..., B x Kt; (20) R x B, R x R; (21) Q x R, Kt - R 5 ch., either winning the Queen or checkmating the King in the next move.
9. 25…Na4+ White resigns. If (26) P x Kt, then Q - Kt 5 mate; if (26) K - Kt, then Kt - B 6 ch., winning first the Queen and then the Rook.