[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.30"]
[Round "7"]
[White "Yau De Leon, Oscar Adin"]
[Black "Ramos Espinoza, Efren Andres"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1560"]
[BlackElo "2170"]
[PlyCount "66"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 e5 7. dxe5 Nxe5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. Bf4 Ng6 11. Bg3 Nf6 12. h3 Bc5 13. 0-0 0-0 14. Nd2 Rfe8 15. Nf3 Qb5 16. b4 Bb6 17. Ned4 Qc4 18. Qa4 Ne4 19. Bh2 Nxc3 20. Qb3 Bxd4 21. Qxc4 dxc4 22. Nxd4 Rad8 23. Rfc1 Rxd4 24. Rxc3 b5 25. Bg3 f5 26. f3 Re2 27. a4 a6 28. axb5 axb5 29. Kh2 Rdd2 30. Rg1 f4 31. Be1 Rb2 32. Rc1 Ne5 33. Rh1 Nxf3# 0-1

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.29"]
[Round "6"]
[White "Gutierrez Espinosa, Karen"]
[Black "Yau De Leon, Oscar Adin"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2059"]
[BlackElo "1560"]
[PlyCount "112"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nc2 Nxd5 13. Qxd5 Rb8 14. Rd1 Bb7 15. Qd3 0-0 16. Ne3 Qd7 17. Be2 Bg5 18. Nf5 d5 19. Bg4 Qc7 20. exd5 Rbd8 21. Bf3 Rfe8 22. 0-0 g6 23. d6 Qb6 24. Bxb7 Qxb7 25. Qg3 Bf6 26. Nh6+ Kh8 27. Rfe1 Bg7 28. Ng4 e4 29. Qh4 f5 30. Nf6 Bxf6 31. Qxf6+ Qg7 32. Qd4 Qxd4 33. Rxd4 Rd7 34. b3 Rc8 35. c4 Rc6 36. Red1 Kg7 37. Kf1 Kf6 38. cxb5 axb5 39. Rd5 Rc2 40. R1d2 Rxd2 41. Rxd2 Ke5 42. a4 Rxd6 43. Rc2 bxa4 44. bxa4 h6 45. Ke2 Rd3 46. Ra2 Rd6 47. f3 exf3+ 48. gxf3 g5 49. a5 Ra6 50. Kf2 Kf4 51. Ra4+ Ke5 52. Kg3 Kd5 53. f4 Ke6 54. fxg5 hxg5 55. h4 gxh4+ 56. Kxh4 Ke5 1/2-1/2

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.28"]
[Round "5"]
[White "Yau De Leon, Oscar Adin"]
[Black "Ortiz Lopera, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1560"]
[BlackElo "2001"]
[PlyCount "128"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. Nxe5 Nxe5 8. d4 Bxd4 9. Qxd4 d6 10. f4 c5 11. Qd1 Nc6 12. e5 dxe5 13. Qxd8+ Kxd8 14. a4 Bb7 15. Nc3 b4 16. Nd5 Nd4 17. Nb6 Nxb3 18. cxb3 Rb8 19. fxe5 Nd7 20. Nxd7 Kxd7 21. Rxf7+ Ke6 22. Rxg7 Rhg8 23. Rxg8 Rxg8 24. g3 Kxe5 25. Bf4+ Kf6 26. Rc1 Re8 27. Kf2 Bd5 28. Rxc5 Bxb3 29. a5 Ba4 30. Bd2 b3 31. Bc3+ Kg6 32. h4 Rf8+ 33. Ke3 Re8+ 34. Kf2 Re7 35. Rg5+ Kf7 36. h5 Bb5 37. Rg7+ Ke8 38. Rg8+ Kd7 39. g4 Rf7+ 40. Ke3 Bc6 41. g5 Rf3+ 42. Kd4 Rf4+ 43. Kc5 Bb5 44. g6 hxg6 45. h6 Rc4+ 46. Kb6 Rc6+ 47. Ka7 Rxc3 48. h7 Rh3 49. h8Q Rxh8 50. Rxh8 Ke6 51. Kb6 g5 52. Kc5 Ke5 53. Rg8 Kf4 54. Kd4 g4 55. Rf8+ Kg3 56. Ke3 Bc4 57. Rf6 Bb5 58. Rf8 Bc6 59. Rf6 Bb5 60. Rf5 Bc4 61. Rf4 Be6 62. Re4 Bd5 63. Rd4 Be6 64. Rd6 Bc4 1/2-1/2

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.27"]
[Round "4"]
[White "Rodriguez Arrieta, Maria Elena"]
[Black "Yau De Leon, Oscar Adin"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1875"]
[BlackElo "1560"]
[PlyCount "70"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. c3 d6 7. h3 Nf6 8. Re1 0-0 9. d4 cxd4 10. cxd4 Bb7 11. Nc3 Rb8 12. Qa4 Qb6 13. e5 Nd5 14. exd6 exd6 15. Nxd5 cxd5 16. Bf4 Bc6 17. Qa3 Rfd8 18. b3 Bb5 19. Rac1 Rb7 20. Qb2 Bd3 21. Bg5 Ra8 22. Rcd1 Be4 23. Nh2 h6 24. Be3 Rc8 25. Rc1 Rbc7 26. Ng4 Rc2 27. Rxc2 Rxc2 28. Qa3 Kh7 29. Qa4 Qc7 30. Nh2 Qc3 31. Rd1 a5 32. Qe8 Qc7 33. Qa4 Qc3 34. Qe8 Qc7 35. Qa4 Qc3 1/2-1/2

[Event "Iberoamerican-ch 9th"]
[Site "Panama City"]
[Date "2023.11.26"]
[Round "3"]
[White "Yau De Leon, Oscar Adin"]
[Black "Pilarte, Rene"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1560"]
[BlackElo "2010"]
[PlyCount "72"]
[EventDate "2023.11.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PAN"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 h6 8. Nd5 d6 9. c3 Nxd5 10. Bxd5 Bd7 11. 0-0 0-0 12. d4 Bb6 13. Be3 Rb8 14. h3 Qf6 15. a3 Rbd8 16. b4 Ne7 17. Bb3 Qg6 18. Kh2 Qxe4 19. Bc2 Qc6 20. Rc1 e4 21. Ng1 d5 22. Qh5 f5 23. Ne2 Qf6 24. Ng1 f4 25. Bd2 c6 26. Qd1 f3 27. g3 Bc7 28. Be3 h5 29. Kh1 h4 30. Qd2 hxg3 31. fxg3 Nf5 32. Bf4 Nxg3+ 33. Bxg3 Bxg3 34. Ne2 Bc7 35. Rf2 Qh4 36. Ng1 Bf4 0-1

