[Event "PUR-ch"]
[Site "San Juan"]
[Date "2023.09.03"]
[Round "8"]
[White "Serrano Rivera, Oscar A"]
[Black "Rivera Rincon, Diego I"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1084"]
[PlyCount "89"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. Re1 a6 6. Bxc6+ bxc6 7. d4 Bg4 8. dxe5 Bxf3 9. Qxf3 dxe5 10. Bg5 Be7 11. Nd2 h6 12. Bxf6 Bxf6 13. Rad1 Qe7 14. Qc3 c5 15. Nb3 0-0 16. h3 Rab8 17. Nxc5 Rb6 18. Rd7 Qe8 19. Rxc7 Qb5 20. Nd7 Rd8 21. Nxb6 Qxb6 22. Qc4 Rf8 23. Rd1 Qxb2 24. Rdd7 Qc1+ 25. Kh2 Qf4+ 26. Kg1 Qc1+ 27. Qf1 Qf4 28. g3 Qxe4 29. Qc4 Qg6 30. Qxa6 e4 31. Qb7 e3 32. a4 e2 33. Qb4 Re8 34. Qe1 Qh5 35. Kg2 Bd8 36. Rc8 Re6 37. Rdxd8+ Kh7 38. Rh8+ Kg6 39. Rhe8 Qd5+ 40. f3 Qd1 41. Rxe6+ fxe6 42. Kf2 Qd4+ 43. Kxe2 Qxa4 44. Qc3 Qb5+ 45. Qd3+ 1-0

[Event "PUR-ch"]
[Site "San Juan"]
[Date "2023.09.03"]
[Round "9"]
[White "Serrano Rivera, Oscar A"]
[Black "Shaffer, Alexander"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1084"]
[BlackElo "1672"]
[PlyCount "101"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 g6 3. d4 Nf6 4. Nc3 Bg7 5. Bc4 Nc6 6. 0-0 0-0 7. h3 Nxe4 8. Nxe4 d5 9. Bb5 dxe4 10. Bxc6 exf3 11. Bxf3 Qxd4 12. Qxd4 Bxd4 13. c3 Bg7 14. Bf4 e5 15. Bg3 f5 16. Bd5+ Kh8 17. Rad1 c6 18. Bb3 f4 19. Bh4 f3 20. Rfe1 fxg2 21. Kxg2 Bf5 22. Bg3 Rae8 23. Re2 e4 24. Rde1 h5 25. Bc2 Rf6 26. Bxe4 Rfe6 27. Bf3 Rxe2 28. Rxe2 Rxe2 29. Bxe2 a5 30. h4 Bf6 31. Kf3 Bg4+ 32. Ke3 Bxe2 33. Kxe2 Kg7 34. Kd3 Kh6 35. f4 Kg7 36. Kc4 Be7 37. a4 Kf6 38. b4 axb4 39. cxb4 Kf5 40. b5 cxb5+ 41. Kxb5 Bd8 42. a5 Kg4 43. Bf2 Kxf4 44. Bb6 Bxh4 45. Bc7+ Kf3 46. Kb6 Be1 47. Kxb7 Bxa5 48. Bxa5 g5 49. Bd8 g4 50. Bh4 g3 51. Kc6 0-1

[Event "PUR-ch"]
[Site "San Juan"]
[Date "2023.08.27"]
[Round "4"]
[White "Ortiz Colon, Vladimir S"]
[Black "Serrano Rivera, Oscar A"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1438"]
[BlackElo "1084"]
[PlyCount "78"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Nxd2 5. Qxd2 Bf5 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 Bd6 9. Ne2 c6 10. 0-0 0-0 11. Rac1 Re8 12. c4 dxc4 13. Qxc4 Bxf4 14. Nxf4 Nd7 15. Qc2 e5 16. dxe5 Nxe5 17. Rcd1 Qg5 18. Qe2 Rad8 19. g3 Rxd1 20. Rxd1 Rd8 21. b3 Rxd1+ 22. Qxd1 Qe7 23. h4 g6 24. Kg2 Kg7 25. Qd4 c5 26. Qc3 f6 27. Nd3 Nxd3 28. Qxd3 b6 29. Qd5 f5 30. Kf3 Kf6 31. e4 Qxe4+ 32. Qxe4 fxe4+ 33. Kxe4 Ke6 34. f4 h5 35. a4 a5 36. Ke3 Kd5 37. Kd3 Kd6 38. Ke4 Ke6 39. Ke3 Kd5 1/2-1/2

[Event "PUR-ch"]
[Site "San Juan"]
[Date "2023.08.25"]
[Round "1"]
[White "Serrano Rivera, Oscar A"]
[Black "Toro Cruz, Sebastian J"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1084"]
[BlackElo "1912"]
[PlyCount "86"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Nf6 5. e5 Ne4 6. Nxe4 Bxe4 7. Bd3 Bxd3 8. Qxd3 d6 9. Bg5 Be7 10. Bxe7 Qxe7 11. 0-0 0-0 12. c3 Nd7 13. exd6 Qxd6 14. Rad1 Rfd8 15. Rfe1 Nf6 16. Qc2 h6 17. h3 Nd5 18. Nd2 Nf4 19. Nc4 Qd5 20. Qe4 Nxh3+ 21. gxh3 Qxc4 22. Kh2 Qxa2 23. Rg1 Qd5 24. Qh4 Kh7 25. Rg3 Qf5 26. Rdg1 g6 27. Qe7 Qf4 28. Kh1 Re8 29. Qd7 Rad8 30. Qc6 Qd6 31. Qg2 e5 32. Qf3 Qd5 33. Qxd5 Rxd5 34. dxe5 Rexe5 35. Rf3 Rf5 36. Rgg3 Rxf3 37. Rxf3 Kg7 38. Re3 Kf6 39. Re4 Re5 40. Rc4 c5 41. Ra4 a5 42. b4 axb4 43. cxb4 c4 0-1

