[Event "Philadelphia"] [Site "Philadelphia, PA USA"] [Date "1860.??.??"] [White "J Smith"] [Black "George H Derrickson"] [Result "0-1"] [Annotator "chess-teacher.com"] [Variant "Standard"] [ECO "C55"] [Opening "Italian Game: Two Knights Defense"] [Source "https://lichess.org/study/k80YQSME/sol66B0g"] [Orientation "black"] 1. e4 e5 2. Bc4 Nf6 3. Nf3 Nc6 4. O-O Bc5 5. d3 d6 6. Bg5 Bg4 7. h3 h5 8. hxg4 hxg4 9. Nh2 g3 10. Nf3 Ng4 11. Bxd8 Bxf2+ 12. Rxf2 gxf2+ 13. Kf1 Rh1+ 14. Ke2 Rxd1 15. Nfd2 (15. Kxd1 f1=Q+ $19) (15. Nbd2 Rxa1 $19) 15... Nd4+ 16. Kxd1 Ne3+ 17. Kc1 Ne2# { 0-1 Black wins. } 0-1