Another Brilliant Underpromotion To A Knight

In this video I am analyzing a brilliant attacking game played by Hungarian chess master Karoly Sterk vs legendary American chess player Frank Marshall. Marshall who was U.S. Chess Champion from 1909 to 1936, and one of the world's strongest chess players in the early part of the 20th century plays this game in a very disorganized way and loses quickly once he faces White's ferocious attack! White concludes his attack with a brilliant queen sacrifice, which allows him to push forward his pawn, then promotes it to a knight and checkmates with a rook! In the end of the video as usual you can solve the daily puzzle!
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Karoly Sterk vs Frank James Marshall
Bad Pistyan (1912), Pistyan (Piestany) AUH, rd 10, May-31
Four Knights Game: Double Spanish Misc. with 5.O-O (C49)
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d5
7. Nxd5 Nxd5 8. exd5 Qxd5 9. Bc4 Qd6 10. c3 Bc5 11. b4 Bb6
12. a4 a5 13. b5 Ne7 14. Ng5 Qg6 15. Qe2 Bf5 16. g4 h6
17. gxf5 Nxf5 18. Kh1 hxg5 19. Rg1 g4 20. Ba3 Nh6 21. Bxf8
Rxf8 22. Rg2 Re8 23. f3 Qg5 24. Re1 Qe7 25. fxg4 Qa3 26. g5
Nf5 27. g6 Re7 28. Qh5 Nh6 29. Qxh6
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