[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.19"]
[Round "6"]
[White "Ludwig, Alfred Carl"]
[Black "Lyon, Chester A"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "59"]
[EventDate "1952.07.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 d6 6. Be3 0-0 7. Qd2 Bd7 8. a3 a6 9. h3 h6 10. g4 Kh7 11. g5 Ng8 12. gxh6 Nxh6 13. Ng5+ Bxg5 14. Bxg5 f6 15. Be3 Rc8 16. Nd5 f5 17. Bxh6 gxh6 18. 0-0-0 f4 19. f3 Qh4 20. c3 Nd8 21. Rdg1 Be6 22. Qg2 Rg8 23. Qxg8+ Bxg8 24. Rxg8 c6 25. Rhg1 Qg5 26. R1xg5 hxg5 27. Nf6+ Kh6 28. Be6 Rb8 29. Bf5 c5 30. Rg6# 1-0

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.15"]
[Round "2"]
[White "Burger, Karl"]
[Black "Lyon, Chester A"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "65"]
[EventDate "1952.07.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bd6 10. c3 Nxb3 11. axb3 Bg4 12. f3 Bh5 13. d4 Nxd5 14. dxe5 Be7 15. Ne4 0-0 16. Na3 c6 17. Nc2 a5 18. Nd4 Qb6 19. Kh1 h6 20. Ng3 Bg6 21. f4 Bc5 22. f5 Bh7 23. Qg4 Kh8 24. Re4 f6 25. Ne6 Rg8 26. c4 Ne3 27. Bxe3 Bxe3 28. c5 Bxc5 29. exf6 gxf6 30. Qh4 Be7 31. Qxh6 Qf2 32. Qxh7+ Kxh7 33. Rh4# 1-0

[Event "US Open-53"]
[Site "Tampa"]
[Date "1952.07.14"]
[Round "1"]
[White "Lyon, Chester A"]
[Black "Bills, William"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "113"]
[EventDate "1952.07.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nd2 d5 6. e5 Nfd7 7. f4 Nc6 8. N2f3 a6 9. Be2 Bc5 10. Be3 0-0 11. 0-0 Nxd4 12. Bxd4 b5 13. c3 Bb7 14. Qd3 f6 15. exf6 Qxf6 16. Ne5 Bxd4+ 17. Qxd4 Nxe5 18. fxe5 Qe7 19. Bg4 Rfc8 20. h3 Rc4 21. Qb6 Bc8 22. Rf3 Bd7 23. Raf1 Rc6 24. Qb7 Rcc8 25. Rf7 Qc5+ 26. Kh1 Ra7 27. Qxa7 Qxa7 28. Bxe6 Bxe6 29. Rxa7 d4 30. cxd4 Bxa2 31. Rxa6 Bc4 32. Rf2 Re8 33. Ra7 h6 34. Kh2 Rd8 35. Rd2 Kh7 36. Kg3 Kg6 37. Kf4 Bd5 38. b4 Rc8 39. Ra5 Rb8 40. Rc2 Bc4 41. Ra6+ Kf7 42. Rd2 Bd5 43. h4 Rd8 44. Rb6 Bc4 45. g4 Ke7 46. Kf5 Rf8+ 47. Kg6 Rf4 48. Kxg7 Rxg4+ 49. Kxh6 Rxh4+ 50. Kg5 Rh1 51. d5 Rg1+ 52. Kf4 Rf1+ 53. Kg3 Rg1+ 54. Kf2 Rf1+ 55. Kg2 Rf5 56. d6+ Kd8 57. d7 1-0

