[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.08.06"]
[Round "8"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Gallo, Felix"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2096"]
[BlackElo "1652"]
[PlyCount "61"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. c4 c6 7. Nc3 b6 8. Bg5 b5 9. cxb5 cxb5 10. Nxb5 Qb6 11. Qb3 Ba6 12. Nc3 Nbd7 13. Qxb6 Nxb6 14. Nd2 Rfc8 15. Rfc1 h6 16. Bxf6 Bxf6 17. e3 Rab8 18. Bf1 Nc4 19. Bxc4 Bxc4 20. Nxc4 Rxc4 21. b3 Rc6 22. Ne2 Rbc8 23. Rxc6 Rxc6 24. Rc1 Rxc1+ 25. Nxc1 e5 26. dxe5 Bxe5 27. Nd3 Bd6 28. Nf4 Bxf4 29. gxf4 Kf8 30. Kf1 Ke7 31. Ke2 1-0

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.08.06"]
[Round "9"]
[White "Velasquez, Rommel"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1922"]
[BlackElo "2096"]
[PlyCount "44"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. Rb1 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Nd4 13. Nxd4 cxd4 14. Qxd4 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 Rd8 17. Ke3 e6 18. dxe6 Bxe6 19. Rxb7 a5 20. a4 Rac8 21. Rd1 Rc3+ 22. Bd3 Bc4 0-1

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.08.05"]
[Round "7"]
[White "Valle Alonso, Moises Abraham"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1767"]
[BlackElo "2096"]
[PlyCount "108"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. Bd3 Bxd3 6. cxd3 e6 7. Nf3 Be7 8. 0-0 0-0 9. h3 Nbd7 10. Qb3 Qb6 11. Rfc1 Rfc8 12. Nd2 h6 13. Na4 Qa5 14. Nf3 b5 15. Nc5 Nxc5 16. dxc5 Nd7 17. d4 Bd8 18. Ne1 Bc7 19. Nd3 Bxf4 20. exf4 Qc7 21. Re1 Re8 22. Re3 Re7 23. Rae1 Rae8 24. Qd1 Nf6 25. Qe2 g6 26. g4 Nd7 27. f5 Nf8 28. f6 Rd7 29. Ne5 Rdd8 30. h4 Nd7 31. Qf3 Nxe5 32. Rxe5 Qa5 33. Qd3 Kh7 34. h5 Rg8 35. Rxe6 Kh8 36. hxg6 Rxg6 37. Qxg6 Qxe1+ 38. Rxe1 fxg6 39. Re6 Kg8 40. Rxc6 Kf7 41. Ra6 Re8 42. Rxa7+ Kxf6 43. a4 bxa4 44. Rxa4 Re4 45. Kg2 Rxg4+ 46. Kf3 Rh4 47. Kg3 g5 48. Ra6+ Ke7 49. b4 Rxd4 50. b5 Rc4 51. Ra7+ Kd8 52. c6 Rc5 53. Ra8+ Kc7 54. Ra7+ Kc8 1/2-1/2

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.30"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Flores, Manuel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2096"]
[BlackElo "1824"]
[PlyCount "39"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 Nc6 6. b3 cxd4 7. Nxd4 Bc5 8. Nxc6 bxc6 9. Bb2 0-0 10. Nc3 a5 11. Na4 Ba7 12. Bd4 Nd7 13. c4 Ba6 14. Rc1 Bxd4 15. Qxd4 Rb8 16. Rfd1 Rb4 17. Qa7 Nb8 18. e4 Re8 19. cxd5 Re7 20. dxc6 1-0

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.30"]
[Round "6"]
[White "Izaba, Rodolfo"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1988"]
[BlackElo "2096"]
[PlyCount "63"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 Nf6 6. Be3 d6 7. h3 Qb6 8. Rb1 Qa5 9. Nge2 0-0 10. 0-0 Rb8 11. a4 a6 12. f4 Qc7 13. g4 b5 14. axb5 axb5 15. g5 Nd7 16. Nd5 Qd8 17. c3 e6 18. Nf6+ Bxf6 19. gxf6 Nxf6 20. f5 exf5 21. Bg5 Bb7 22. Qe1 Ne5 23. Qh4 Ned7 24. Ng3 h5 25. Rxf5 gxf5 26. Nxh5 Nxh5 27. Bxd8 Rbxd8 28. Qxh5 fxe4 29. Qg5+ Kh7 30. Rf1 Ne5 31. Rf6 Ng6 32. h4 1-0

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.29"]
[Round "4"]
[White "Picado, Jorge Luis"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2114"]
[BlackElo "2096"]
[PlyCount "57"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Bb5+ Bd7 6. Bc4 b5 7. Bb3 g6 8. d4 Bg7 9. Nf3 0-0 10. 0-0 a5 11. a3 Na6 12. Ne5 Qb6 13. Bg5 Rad8 14. Nc3 h6 15. Bh4 g5 16. Bg3 b4 17. axb4 axb4 18. Nc4 Qa7 19. d6 exd6 20. Ne2 Ne4 21. Re1 Nxg3 22. Nxg3 Bb5 23. Nf5 Qc7 24. Re7 Rd7 25. Rxd7 Qxd7 26. Ncxd6 Kh7 27. Qc2 Kg8 28. Nxb5 Rc8 29. Qxc8+ 1-0

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.23"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Acevedo, Guillermo"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2096"]
[BlackElo "1830"]
[PlyCount "54"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. c4 c6 5. Bg2 e6 6. 0-0 h6 7. Nc3 Nbd7 8. Nd2 Be7 9. e4 dxe4 10. Ndxe4 Nxe4 11. Nxe4 0-0 12. Be3 Nf6 13. Nc3 Qa5 14. a3 Rad8 15. Qe2 Bg6 16. h3 Qf5 17. Rfd1 Qc2 18. Rd2 Qb3 19. Qd1 Qxd1+ 20. Raxd1 a6 21. d5 exd5 22. cxd5 cxd5 23. Nxd5 Nxd5 24. Bxd5 b5 25. b4 Rc8 26. Bd4 Bc2 27. Re1 a5 1-0

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.23"]
[Round "2"]
[White "Rios Borgen, Edgard Jose"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1749"]
[BlackElo "2096"]
[PlyCount "146"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Nh6 10. Bc4 Nf5 11. Bf2 h5 12. 0-0 0-0 13. Qd3 d5 14. Bb3 Qa5 15. Rfe1 Ba6 16. Qd2 e6 17. Ne4 Qxd2 18. Nxd2 Rfc8 19. c4 Bh6 20. g3 Bf8 21. Rac1 Bb4 22. Red1 d4 23. Ne4 c5 24. h3 Kg7 25. Rd3 Bb7 26. Ng5 Ba5 27. Bd1 Bd8 28. Bf3 Rab8 29. b3 Bxg5 30. Bxb7 Rxb7 31. fxg5 a5 32. Kg2 Ne7 33. Kf3 Nc6 34. Ke4 a4 35. Be1 axb3 36. Rxb3 Rxb3 37. axb3 Ra8 38. Rb1 Ra2 39. b4 Re2+ 40. Kf3 Re3+ 41. Kf2 cxb4 42. Bxb4 Nxe5 43. Be7 f5 44. Bf6+ Kf7 45. Rb7+ Kf8 46. Rb8+ Kf7 47. Rb7+ Ke8 48. Rb8+ Kd7 49. Rd8+ Kc6 50. Rxd4 Re4 51. Rxe4 Nd3+ 52. Ke3 fxe4 53. Kxe4 Nc5+ 54. Kd4 Nb3+ 55. Ke5 Kd7 56. h4 Na5 57. c5 Nc6+ 58. Kf4 Ke8 59. g4 hxg4 60. Kxg4 Kf7 61. h5 gxh5+ 62. Kxh5 e5 63. Kh6 e4 64. Kh7 e3 65. Bc3 e2 66. g6+ Ke6 67. g7 Ne7 68. Be1 Kd5 69. Bf2 Kc6 70. Bh4 Kc7 71. Kh8 Ng6+ 72. Kh7 Nxh4 73. g8Q e1Q 0-1

[Event "Managua Arellano Memorial"]
[Site "Managua"]
[Date "2023.07.22"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Olivares, Odell"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2096"]
[BlackElo "1445"]
[PlyCount "75"]
[EventDate "2023.07.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. Nf3 Bf5 5. 0-0 e6 6. c4 Be7 7. Nc3 Nbd7 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 0-0 11. b4 a6 12. Bf4 h6 13. Nd2 Rfe8 14. Nb3 Bd8 15. Bd6 Rc8 16. Na5 Bxa5 17. bxa5 Ne4 18. Nxe4 dxe4 19. Ra4 Nf6 20. Rb4 Nd5 21. Rxb7 e3 22. Bxd5 exf2+ 23. Rxf2 cxd5 24. Rf3 f6 25. Rfb3 Bc2 26. R3b6 Ra8 27. Rc7 Kh7 28. Rbb7 Rg8 29. Re7 Rae8 30. Rxe8 Rxe8 31. c6 Ba4 32. c7 Bd7 33. Rb6 Bc8 34. b4 e5 35. dxe5 fxe5 36. b5 axb5 37. a6 b4 38. a7 1-0

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Filgueira, Hernan"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2096"]
[BlackElo "2283"]
[PlyCount "78"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 b6 3. e3 Bb7 4. Nf3 Nf6 5. h3 d6 6. Nbd2 Nbd7 7. Bh2 g6 8. Be2 Bg7 9. 0-0 0-0 10. a4 a5 11. c3 Qe7 12. Nc4 Kh8 13. Qc2 Be4 14. Qb3 h6 15. Rfd1 g5 16. Ncd2 Bd5 17. Bc4 Bb7 18. Bd3 g4 19. hxg4 Nxg4 20. Bg3 Bf6 21. e4 Rg8 22. Re1 e5 23. dxe5 Ngxe5 24. Nxe5 Bxe5 25. Bxe5+ Nxe5 26. Bf1 Qf6 27. Re3 Rg6 28. Rae1 Rag8 29. Qd1 Bc8 30. Qh5 Bg4 31. Qh2 Bf3 32. Qh1 Bxg2 33. Bxg2 Rxg2+ 34. Qxg2 Rxg2+ 35. Kxg2 Qg5+ 36. Kf1 Qh5 37. f3 Qh2 38. R1e2 Qf4 39. Kf2 Ng4+ 0-1

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "7"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Kuzmin, Roman"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2096"]
[BlackElo "2167"]
[PlyCount "80"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nf3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Ne5 Bxe5 8. dxe5 Nd7 9. Qg4 g6 10. Nf3 h5 11. Qg3 Qb6 12. 0-0-0 Qa5 13. Kb1 b5 14. e4 d4 15. cxd4 cxd4 16. Nxd4 Nxd4 17. Rxd4 Qe1+ 18. Bc1 Bb7 19. Qe3 Qxe3 20. Bxe3 a6 21. f4 Nc5 22. Be2 Bxe4+ 23. Ka1 Bxg2 24. Rc1 Nd7 25. Rc7 Bd5 26. Bf3 Bxf3 27. Rdxd7 0-0 28. b3 Rac8 29. Rxf7 Rxf7 30. Rxc8+ Kg7 31. Kb2 Rd7 32. a4 bxa4 33. bxa4 Rb7+ 34. Ka3 Bd5 35. Rc3 Rb1 36. Bc1 Kf7 37. Rc7+ Ke8 38. Bb2 Rf1 39. Rc2 Rxf4 40. Bc3 g5 0-1

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "4"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Shubenkova, Veronika"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2096"]
[BlackElo "2087"]
[PlyCount "128"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. e3 Bd6 4. Bxd6 Qxd6 5. Qg4 g6 6. Nc3 c6 7. 0-0-0 f5 8. Qg3 Qxg3 9. hxg3 Nf6 10. Nf3 Nbd7 11. Be2 Ke7 12. Nh2 e5 13. g4 e4 14. gxf5 gxf5 15. g4 fxg4 16. Nxg4 Nxg4 17. Bxg4 Nf6 18. Be2 h5 19. Rh4 Kf7 20. Rdh1 Kg6 21. f3 exf3 22. Bxf3 Bg4 23. Bxg4 Nxg4 24. e4 dxe4 25. Nxe4 Rh7 26. Ng3 Nf6 27. Rg1 Kg5 28. Rgh1 Re8 29. Kd2 b6 30. c3 c5 31. dxc5 bxc5 32. b3 Rd8+ 33. Kc2 Re8 34. b4 Re3 35. Nf1 Re2+ 36. Kd3 Rxa2 37. bxc5 Rd7+ 38. Rd4 Re7 39. Ne3 Rf2 40. Rg1+ Kh6 41. Rd6 Rf3 42. Re1 Kh7 43. Kd4 Re4+ 44. Kd3 Re7 45. Kd4 Rf4+ 46. Kd3 h4 47. c6 h3 48. Rh1 Rf3 49. Re1 Ng4 50. Rd7 Ne5+ 51. Ke4 Rxe3+ 52. Rxe3 Nxd7+ 53. Kf3 Rxe3+ 54. Kxe3 Nb6 55. Kf3 Kg6 56. Kg3 Kf6 57. Kxh3 Ke6 58. Kg4 Kd6 59. Kf4 Kxc6 60. Ke3 Kc5 61. Kd3 a5 62. Kc2 Kc4 63. Kb2 Nd5 64. Kc2 Nxc3 0-1

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Womacka, Mathias"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2096"]
[BlackElo "2390"]
[PlyCount "101"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 e6 4. c3 d5 5. Nd2 Bd6 6. Bxd6 Qxd6 7. f4 cxd4 8. cxd4 0-0 9. Ngf3 b6 10. Ne5 Ba6 11. Bxa6 Nxa6 12. Qa4 Nb8 13. 0-0 Nbd7 14. Rfc1 a6 15. Rc6 Qb8 16. Rac1 b5 17. Qa5 Nxe5 18. fxe5 Ng4 19. Nf1 Qd8 20. Qxd8 Rfxd8 21. h3 Nh6 22. g4 Kf8 23. Nd2 Ng8 24. Nb3 Ne7 25. Rc7 Rdc8 26. Rxc8+ Rxc8 27. Rxc8+ Nxc8 28. Nc5 a5 29. Kf2 Ke7 30. Ke2 f6 31. exf6+ gxf6 32. Kd3 Nd6 33. b3 e5 34. a4 bxa4 35. bxa4 e4+ 36. Ke2 Nc4 37. Kf2 Kf7 38. Nb7 Kg6 39. Nc5 f5 40. Ne6 fxg4 41. hxg4 Nb2 42. Nf4+ Kg5 43. Nxd5 Nxa4 44. Kg3 Nb2 45. Nc3 a4 46. Nxe4+ Kg6 47. Nc3 a3 48. e4 Na4 49. Na2 Nb6 50. Kf4 Nc4 51. d5 1-0

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "6"]
[White "Keleberda, Timur"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2302"]
[BlackElo "2096"]
[PlyCount "112"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qh4 Nxe5 7. Nxe5 Qa5+ 8. Nd2 Qxe5+ 9. Be2 Bg7 10. Nf3 Qc7 11. 0-0 0-0 12. Bd3 d6 13. Bh6 Bg4 14. Bxg7 Kxg7 15. Qg3 Bxf3 16. Qxf3 Nd7 17. Qe2 Ne5 18. Be4 Rac8 19. f4 Nd7 20. b3 Nf6 21. Bd3 Qc5+ 22. Kh1 Rc7 23. c4 a6 24. Rad1 Rb8 25. f5 b5 26. cxb5 axb5 27. Qd2 Qc3 28. Qg5 Rc5 29. Qe3 Re5 30. Qf2 Qc5 31. Qg3 Ra8 32. fxg6 hxg6 33. Rf2 Rg5 34. Qf3 Rh8 35. Rdf1 Qe5 36. h3 Rg3 37. Qb7 Rxd3 38. a4 bxa4 39. bxa4 Ra3 40. Qc6 Rh4 41. a5 Rxa5 42. Qb7 Ra1 43. Rf3 Rha4 44. Qc7 Rxf1+ 45. Rxf1 Ra1 46. Rxa1 Qxa1+ 47. Kh2 Qe5+ 48. Kg1 Ne4 49. Qb8 Qd4+ 50. Kh2 Qe5+ 51. Kg1 g5 52. Qc7 f6 53. Qb8 d5 54. Qd8 d4 55. Kf1 Ng3+ 56. Kf2 Qe3# 0-1

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "2"]
[White "Lana Rodriguez, David"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2382"]
[BlackElo "2096"]
[PlyCount "71"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Qxd7 10. Bb5 Bg7 11. Be3 0-0 12. Rd1 Qg4 13. Bxc6 bxc6 14. Qxg4 Nxg4 15. Bd4 Rfd8 16. Bxg7 Rxd1+ 17. Nxd1 Kxg7 18. Ke2 Rb8 19. b3 Rb5 20. h3 Nf6 21. Ne3 Ra5 22. a4 Nd5 23. Nc4 Rc5 24. g3 Nb6 25. Ne3 Nd5 26. c4 Nb6 27. Rd1 Rh5 28. h4 h6 29. Rd8 g5 30. hxg5 Rxg5 31. f4 Rh5 32. Kf3 e6 33. Kg4 Rh2 34. a5 Rb2 35. axb6 axb6 36. Rd3 1-0

[Event "Titled Tuesday intern op 04th Jul Early"]
[Site "Chess.com INT"]
[Date "2023.07.04"]
[Round "5"]
[White "Santos, Jose Guilherme B Li"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2386"]
[BlackElo "2096"]
[PlyCount "58"]
[EventDate "2023.07.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Be6 11. Qc2 Rc8 12. b3 Qa5 13. Rab1 Nd7 14. Bxg7 Kxg7 15. Rfc1 Qg5 16. Qd1 Rc5 17. Nd5 Bxd5 18. exd5 Rfc8 19. g3 a5 20. b4 axb4 21. Rxb4 b5 22. f4 Qf6 23. Rxb5 Rxb5 24. cxb5 Rxc1 25. Qxc1 Qd4+ 26. Kf1 Qxd5 27. Qb2+ f6 28. Kg1 Qc5+ 29. Kg2 Nb6 0-1

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.14"]
[Round "11"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Velasquez, Rommel"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2062"]
[BlackElo "1921"]
[PlyCount "89"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Qf3 Nc6 5. Nd2 Bb7 6. 0-0-0 Bd6 7. Bxd6 cxd6 8. Qg3 d5 9. Qxg7 Rg8 10. Qh6 Rg6 11. Qf4 Rc8 12. Kb1 d6 13. Nh3 e5 14. dxe5 dxe5 15. Qf5 Rc7 16. Bb5 Qe7 17. Nf3 Kf8 18. Bxc6 Bxc6 19. Nxe5 Rxg2 20. Nxc6 Rxc6 21. Nf4 Rxf2 22. Ng6+ hxg6 23. Qxf2 Ne4 24. Qe1 Qc5 25. c3 b5 26. Rd4 a5 27. Rf1 Nd6 28. Qd1 Nf5 29. Rxd5 Qxe3 30. Qd3 b4 31. Rd8+ Kg7 32. Qxe3 Nxe3 33. Re1 Ng4 34. cxb4 axb4 35. h3 Nf2 36. Re3 f5 37. Rd4 Ne4 38. Rb3 g5 39. Rbxb4 Rh6 40. Rb7+ Kg6 41. Rb6+ Nf6 42. Rdd6 Kg7 43. a4 f4 44. Rd3 Rh8 45. a5 1-0

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.13"]
[Round "10"]
[White "Salazar Cabezas, Alberto Javier"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2162"]
[BlackElo "2062"]
[PlyCount "127"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 0-0 8. Nc3 Nc6 9. Qd2 Nxd4 10. Bxd4 Be6 11. Be2 Rc8 12. b3 Qa5 13. Rc1 a6 14. 0-0 Rfe8 15. Be3 Nd7 16. Rfd1 Rc7 17. Nb1 Qxd2 18. Nxd2 Bb2 19. Rb1 Bg7 20. Bf1 Rec8 21. g3 h5 22. h3 Kf8 23. g4 hxg4 24. hxg4 Ke8 25. Be2 f5 26. gxf5 gxf5 27. Bd3 fxe4 28. Nxe4 Ne5 29. Ng5 Bd7 30. Be4 Bf6 31. Nh7 Kf7 32. Nxf6 Kxf6 33. Bd4 Bf5 34. Bxe5+ dxe5 35. Rd5 Be6 36. Rd2 b5 37. cxb5 axb5 38. Kf2 Rg8 39. Rc2 Rxc2+ 40. Bxc2 Rc8 41. Be4 b4 42. Rh1 Rc5 43. Ke3 Rc3+ 44. Kd2 Bf5 45. Rh6+ Kg5 46. Rb6 Bxe4 47. fxe4 Rh3 48. Rxb4 Rh2+ 49. Kc3 Rxa2 50. Rc4 Kf4 51. b4 Ra3+ 52. Kb2 Ra4 53. Kb3 Ra1 54. b5 Ke3 55. Kb4 Kd3 56. Kc5 Ra8 57. Rb4 Kc3 58. b6 Rc8+ 59. Kb5 Rb8 60. Rc4+ Kd3 61. Ra4 Kc3 62. Kc6 Kb3 63. Ra5 Rc8+ 64. Kd7 1-0

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.12"]
[Round "9"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Fonseca Cabrera, Ernesto Gregorio"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2062"]
[BlackElo "2194"]
[PlyCount "40"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d4 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qd3 c5 12. dxc5 Bxc5 13. Nc3 Bc6 14. Qc4 Nbd7 15. b4 b5 16. axb5 axb5 17. Nxb5 Rxa1 18. Rxa1 Bd5 19. Qd3 Bxb4 20. Nbd4 h6 1/2-1/2

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.11"]
[Round "8"]
[White "Ortiz, Marcos"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2258"]
[BlackElo "2062"]
[PlyCount "84"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. f4 e6 6. Be3 d4 7. Bf2 Bxc5 8. Nd2 Nge7 9. a3 0-0 10. Ne4 Bb6 11. Qf3 f6 12. exf6 gxf6 13. Bc4 Kh8 14. Qh5 Ng6 15. Ne2 Bd7 16. 0-0-0 Qc7 17. Bg3 Nce7 18. Bxe6 Rac8 19. Bb3 Bf5 20. Qf3 Qc6 21. Nf2 Bxc2 22. Qxc6 Bxb3 23. Qxc8 Rxc8+ 24. Kb1 Bc2+ 25. Ka2 Bxd1 26. Rxd1 Nf5 27. Rd2 Kg7 28. Nd3 Ne3 29. Ne1 Rd8 30. Nf3 Nxg2 31. f5 Ne7 32. Nexd4 Bxd4 33. Bc7 Rd7 34. Rxg2+ Kf7 35. Rd2 Rxc7 36. Rxd4 Nxf5 37. Rd8 Ne7 38. Rh8 Kg7 39. Rd8 Nc6 40. Rd5 Ne7 41. Rd8 Nc6 42. Rd5 Ne7 1/2-1/2

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.10"]
[Round "7"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Espinoza Solano, Jose Nahum"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2062"]
[BlackElo "2071"]
[PlyCount "124"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 Rd4 12. b3 c6 13. Rad1 Bf5 14. Be3 Rxd1 15. Rxd1 Bf8 16. Bg5 Kg7 17. h3 Bb4 18. Bxf6+ Kxf6 19. Ne4+ Ke7 20. g4 Bc8 21. e3 h6 22. Kf1 a5 23. a4 Be6 24. Ng3 Rd8 25. Ke2 Rxd1 26. Kxd1 b5 27. Bxc6 bxc4 28. bxc4 Bxc4 29. f4 Kd6 30. Be8 exf4 31. exf4 Kc5 32. h4 Kd4 33. h5 Ke3 34. hxg6 fxg6 35. Bxg6 Bb3+ 36. Kc1 Kxf4 37. Nf5 Bxa4 38. Bh5 Kg5 39. Ng3 Bc6 40. Nf1 Bd7 41. Ne3 Be6 42. Be8 Bc5 43. Nf5 h5 44. Ng7 Bxg4 45. Bxh5 Be3+ 46. Kc2 Bxh5 47. Kd3 Bb6 48. Ne6+ Kf6 49. Nf4 Bf7 50. Kc3 Ke5 51. Nd3+ Kd5 52. Nb2 Bd4+ 53. Kb3 Kc5+ 54. Ka3 Kb5 55. Na4 Bg6 56. Nb2 Bc2 57. Ka2 a4 58. Ka3 Bc5+ 59. Ka2 a3 60. Ka1 Bd4 61. Ka2 axb2 62. Ka3 Bb3 0-1

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.09"]
[Round "6"]
[White "Alfaro Caracas, William"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2112"]
[BlackElo "2062"]
[PlyCount "139"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. Nc3 d6 9. 0-0 Nbd7 10. Rfd1 Ne4 11. Qc2 Nxc3 12. Qxc3 Qe7 13. Rac1 e5 14. dxe5 Nxe5 15. Nxe5 Bxg2 16. Kxg2 dxe5 17. Rd5 Rae8 18. Rcd1 f5 19. c5 f4 20. Rd7 Qf6 21. Rxc7 fxg3 22. Qxg3 Rf7 23. Rd6 Qf5 24. Rxf7 Qxf7 25. cxb6 axb6 26. Qb3 Qxb3 27. axb3 Rc8 28. Rxb6 Kf7 29. b4 Rc2 30. Kf3 Rxb2 31. b5 h5 32. Rb8 Ke6 33. b6 Kd7 34. Rg8 Kc6 35. Rxg7 e4+ 36. Ke3 Kxb6 37. Re7 Rb3+ 38. Kf4 Rh3 39. Rxe4 h4 40. Kg4 Rxh2 41. f4 Kc6 42. f5 Kd7 43. Re6 h3 44. e4 Rh1 45. Kg3 h2 46. Kg2 Ra1 47. Kxh2 Ra3 48. Kg2 Rb3 49. Kf2 Ra3 50. Ke2 Rb3 51. Re5 Kd6 52. Rd5+ Ke7 53. Rd3 Rb4 54. Ke3 Rb1 55. Ra3 Rf1 56. Kd4 Rc1 57. Ra7+ Kf6 58. Ra6+ Kf7 59. Kd5 Rb1 60. Rc6 Rf1 61. Ke5 Re1 62. Rc7+ Ke8 63. Rb7 Re2 64. f6 Ra2 65. Kf5 Ra3 66. e5 Ra1 67. Rb8+ Kd7 68. e6+ Kd6 69. Rd8+ Kc7 70. e7 1-0

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.08"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Carranza Narvaez, Sergio Ivan"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2062"]
[BlackElo "1931"]
[PlyCount "111"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Nc6 4. Bg2 g6 5. 0-0 Bg7 6. c4 e6 7. Nc3 0-0 8. Ne5 Ne7 9. e4 c6 10. b3 dxe4 11. Nxe4 Nxe4 12. Bxe4 c5 13. Be3 f6 14. Nf3 f5 15. Bc2 Nc6 16. dxc5 Bxa1 17. Qxa1 Qf6 18. Bf4 Qxa1 19. Rxa1 Kg7 20. Rd1 h6 21. a3 g5 22. Bd6 Re8 23. Ne5 Kf6 24. f4 Ne7 25. b4 Ng6 26. Ba4 Rg8 27. Nxg6 Kxg6 28. c6 a5 29. b5 bxc6 30. b6 Bb7 31. c5 gxf4 32. gxf4 Kf7+ 33. Kf2 Rad8 34. Re1 Rg6 35. Bd1 Rgg8 36. Bb3 Rg6 37. Re5 Rf6 38. Re3 Rg6 39. Bd1 Rgg8 40. Rh3 Kg7 41. Bb3 Rge8 42. Rg3+ Kf7 43. Rh3 Kg6 44. Rg3+ Kf7 45. Rh3 Kg6 46. Bc4 Rd7 47. Ke3 Rxd6 48. cxd6 Rd8 49. Kd4 Rxd6+ 50. Ke5 Rd2 51. Rg3+ Kh5 52. Bxe6 Rxh2 53. Rg7 Ba6 54. Ra7 Bf1 55. b7 Rb2 56. Bc8 1-0

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.07"]
[Round "4"]
[White "Davila, Carlos"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2203"]
[BlackElo "2062"]
[PlyCount "83"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 e6 7. d4 Be7 8. Bd3 Nc6 9. 0-0 0-0 10. Qe2 Nf6 11. Rd1 Bd7 12. a3 Qa5 13. Bf4 Qh5 14. Rac1 Rfd8 15. Qe1 Be8 16. Ne2 Bd6 17. Ng3 Qa5 18. Bd2 Qb6 19. Ne4 Be7 20. b4 a6 21. Nc5 Qa7 22. Bf4 Rac8 23. Bc4 Nd5 24. Bg3 Bf6 25. Qe4 Nce7 26. Bd3 g6 27. Qe1 Nf5 28. Bc4 Nxg3 29. hxg3 b6 30. Nxe6 Rd6 31. Bxd5 Rxc1 32. Rxc1 fxe6 33. Bxe6+ Bf7 34. Rc8+ Kg7 35. Bxf7 Qxf7 36. Ne5 Qe7 37. Qe4 a5 38. Rb8 Bxe5 39. Rb7 Rd7 40. Qxe5+ Kf8 41. Qh8+ Kf7 42. Qxh7+ 1-0

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.06"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Espinoza, Felix"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2062"]
[BlackElo "2138"]
[PlyCount "194"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 exf6 6. e4 dxe4 7. Nxe4 0-0 8. Be2 Re8 9. Ng3 c6 10. 0-0 Qb6 11. Bc4 Na6 12. Qd3 Nb4 13. Qb3 Nd5 14. Bxd5 cxd5 15. Qxb6 axb6 16. Rfe1 Be6 17. c3 Bh6 18. Nf1 Kf8 19. Ne3 Red8 20. Nd2 Ke7 21. g3 Kd6 22. f4 b5 23. a3 Re8 24. Kf2 f5 25. Nb3 b6 26. Nc1 f6 27. Nd3 Rg8 28. h4 Bg7 29. Re2 Bf7 30. h5 Be6 31. Rae1 Rae8 32. Nb4 Bf7 33. hxg6 hxg6 34. Nf1 Re4 35. Nd2 Rxe2+ 36. Rxe2 Rh8 37. Kg2 g5 38. Rf2 g4 39. Re2 Kd7 40. Nf1 Bf8 41. Nd3 Bd6 42. Ne3 Be6 43. Re1 Rh5 44. Nb4 Bxb4 45. axb4 Rh8 46. Ra1 Rc8 47. Ra7+ Rc7 48. Ra8 Rc8 49. Ra6 Kc6 50. Ra7 Rc7 51. Ra1 Kd6 52. Nc2 Re7 53. Rh1 Ra7 54. Na3 Bd7 55. Rh7 Ra8 56. Kf2 Re8 57. Rh6 Ke6 58. Nc2 Ra8 59. Na3 Re8 60. Ke3 Kf7+ 61. Kd2 Kg7 62. Rh5 Kg6 63. Rh1 Kg7 64. Nc2 Ra8 65. Ne3 Be6 66. Kc2 Kg6 67. Ng2 Kg7 68. Re1 Kf7 69. Nh4 Bd7 70. Kb1 Rh8 71. Kc2 Ra8 72. Ng2 Rh8 73. Nh4 Ra8 74. Kb1 Rh8 75. b3 Be6 76. Kb2 Ra8 77. Ra1 Rxa1 78. Kxa1 Ke7 79. Kb2 Kd6 80. Kc2 Kd7 81. Kd3 Kd6 82. Ng2 Kc6 83. Ne3 Kc7 84. c4 dxc4+ 85. bxc4 bxc4+ 86. Nxc4 b5 87. Ne3 Kd6 88. d5 Bd7 89. Kd4 Bc8 90. Nd1 Bd7 91. Nc3 Be8 92. Nd1 Bd7 93. Ne3 Bc8 94. Ng2 Bb7 95. Nh4 Bc8 96. Ng6 Bb7 97. Nh4 Bc8 1/2-1/2

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.06"]
[Round "2"]
[White "Rocha, Maximiliano"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2117"]
[BlackElo "2062"]
[PlyCount "108"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bg4 6. c3 e6 7. Be3 Bxf3 8. Qxf3 Nxe5 9. Bb5+ Nc6 10. 0-0 Nf6 11. c4 Be7 12. Nc3 0-0 13. cxd5 Nxd5 14. Rfd1 Qa5 15. Nxd5 exd5 16. a4 a6 17. Bd3 Rad8 18. Rdc1 Ne5 19. Bxh7+ Kxh7 20. Qh5+ Kg8 21. Qxe5 Bf6 22. Qf4 Bxb2 23. Bd2 Be5 24. Qxe5 Qxd2 25. Rd1 Qb4 26. Rd4 Qc3 27. Re1 Rde8 28. Qxe8 Rxe8 29. Rxe8+ Kh7 30. Rh4+ Kg6 31. Rg4+ Kh7 32. Rh4+ Kg6 33. Rg4+ Kh7 34. g3 Qxc5 35. Rd8 f5 36. Rf4 Kg6 37. Kg2 b5 38. Ra8 Qc6 39. Rd8 bxa4 40. Rd4 Kf6 41. f4 Ke7 42. Rb8 a3 43. Kh3 a2 44. Rd1 Qc3 45. Rb7+ Kf8 46. Rxd5 Kg8 47. Rb8+ Kh7 48. Rxf5 a1Q 49. Rh5+ Kg6 50. Rg5+ Kf7 51. Rb7+ Ke8 52. Rb8+ Kd7 53. Ra8 Qf1+ 54. Kg4 Qff3+ 0-1

[Event "NCA-ch final"]
[Site "Managua"]
[Date "2022.03.05"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Gutierrez, Oscar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2062"]
[BlackElo "1932"]
[PlyCount "82"]
[EventDate "2022.03.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 h6 6. f3 b6 7. 0-0-0 Bb7 8. Nge2 Nbd7 9. Kb1 c5 10. Be3 a6 11. Nc1 Qc7 12. Be2 b5 13. dxc5 Nxc5 14. Rhe1 0-0-0 15. Nd5 Nxd5 16. exd5 e6 17. dxe6 fxe6 18. Bd4 e5 19. Bc3 h5 20. Ba5 Qe7 21. Bxd8 Rxd8 22. Nd3 Ne6 23. Qa5 d5 24. Nb4 Nc7 25. a4 e4 26. axb5 axb5 27. fxe4 Qe5 28. Nd3 Qxh2 29. Bf3 dxe4 30. Bxe4 Bxe4 31. Rxe4 Rd7 32. Rde1 Qd6 33. Qb4 Qf6 34. Re7 Bf8 35. Re8+ Nxe8 36. Rxe8+ Rd8 37. Qxb5 Rxe8 38. Qxe8+ Kc7 39. Qe4 Qf1+ 40. Ka2 Qf7+ 41. c4 Bd6 1-0

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.27"]
[Round "8"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Izaba, Rodolfo"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2062"]
[BlackElo "2037"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 c5 5. 0-0 cxd4 6. Nxd4 Nc6 7. c4 Qb6 8. Nb3 d6 9. Nc3 Bd7 10. c5 dxc5 11. Na4 Qc7 12. Naxc5 0-0 13. Bf4 e5 14. Bg5 Rad8 15. Nxd7 Rxd7 16. Qc2 Nd4 17. Nxd4 exd4 18. Qb3 Qe5 19. Bf4 Qxe2 20. Rfe1 Qh5 21. Re5 g5 22. Rxg5 Qe2 23. Bf1 Qe7 24. Bd3 Qd8 25. Re1 Nd5 26. Bd2 Kh8 27. Qd1 Nf6 28. Rf5 Rd5 29. Qg4 Rxf5 30. Qxf5 Qd7 31. Qg5 Re8 32. Rxe8+ Qxe8 33. Qh4 Qa4 34. b3 Qxa2 35. Bg5 Qxb3 36. Bf5 Qf3 37. g4 1-0

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.27"]
[Round "9"]
[White "Velasquez, Rommel"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1921"]
[BlackElo "2062"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. Nxg6 hxg6 9. dxe5 Qa5+ 10. Bd2 Qxe5+ 11. Qe2 Bd6 12. Bf4 Qxe2+ 13. Nxe2 Bxf4 14. Nxf4 Nbd7 15. f3 0-0-0 16. 0-0-0 g5 17. Nd3 Rhe8 18. g3 Re3 19. Bh3 Kc7 20. Bxd7 Rxd7 21. Rde1 Rde7 22. Kd2 Rxe1 23. Rxe1 Rxe1 24. Kxe1 Kd6 25. Kd2 Kd5 26. Ke3 c5 27. c4+ Kd6 28. h3 b6 29. f4 gxf4+ 30. Kxf4 Ke6 31. g4 Ne8 32. h4 Nd6 33. b3 f6 34. Nf2 Nf7 35. Nd3 g5+ 36. hxg5 fxg5+ 37. Ke4 Nd6+ 38. Ke3 1/2-1/2

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.26"]
[Round "7"]
[White "Carranza Narvaez, Sergio Ivan"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1910"]
[BlackElo "2062"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 Bf5 8. Qc1 e6 9. Be2 h6 10. 0-0 Be7 11. Nbd2 0-0 12. Ne5 Nxe5 13. dxe5 Nd7 14. e4 Bh7 15. exd5 exd5 16. Bf3 Qe6 17. Re1 Nc5 18. Be2 Bd3 19. Nf3 Bxe2 20. Rxe2 Nd3 21. Qd2 Qg4 22. Be3 Rfd8 23. Ne1 Nc5 24. f3 Qg6 25. Bd4 b5 26. Nc2 a5 27. Rf1 Nd3 28. Ne1 Nc5 29. Kh1 Rab8 30. g3 b4 31. Ng2 Nd3 32. Nf4 Nxf4 33. gxf4 bxc3 34. Qxc3 Bb4 35. Qe3 Bf8 36. Rg1 Qf5 37. Reg2 Re8 38. Qc3 g6 39. Qxa5 Qxf4 40. Qxd5 Red8 41. Rxg6+ Kh8 42. e6+ Kh7 43. Rg8 1-0

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.20"]
[Round "5"]
[White "Espinoza, Felix"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2138"]
[BlackElo "2062"]
[PlyCount "16"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Nbd7 8. Re1 Re8 1/2-1/2

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.19"]
[Round "4"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Fonseca Cabrera, Ernesto Gregorio"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2062"]
[BlackElo "2194"]
[PlyCount "123"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qd1 c5 13. dxc5 Bxc5 14. Qxd8 Rxd8 15. Nc3 Bc6 16. Rfd1 Nbd7 17. Nd2 Bxg2 18. Kxg2 h6 19. Bxf6 Nxf6 20. Nb3 Bb4 21. Na2 Bf8 22. Rxd8 Rxd8 23. Rc1 Rd6 24. a5 b6 25. Rc8 bxa5 26. Nc3 Rb6 27. Nxa5 Rxb2 28. Nc6 g5 29. Nd4 Rd2 30. e3 Ng4 31. Ne4 Nxe3+ 32. Kf3 Rxd4 33. Kxe3 Ra4 34. Nf6+ Kg7 35. Nh5+ Kg6 36. Rxf8 Kxh5 37. Rxf7 e5 38. f3 Kg6 39. Re7 Ra1 40. Re6+ Kg7 41. Ke4 a5 42. Kf5 Rf1 43. Re7+ Kf8 44. Ra7 Rxf3+ 45. Kxe5 Rf2 46. Rxa5 Rxh2 47. Kf6 Ke8 48. Re5+ Kd7 49. Kg6 Kd6 50. Re8 Rh3 51. g4 Rh4 52. Kf5 Kd7 53. Re4 Rh2 54. Kg6 Kd6 55. Re8 Rh4 56. Kf5 Rh1 57. Kg6 Kd5 58. Rh8 Rh4 59. Rxh6 Rxg4 60. Rh5 Ke4 61. Rxg5 Rxg5+ 62. Kxg5 1/2-1/2

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.13"]
[Round "2"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Pilarte, Mario"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2062"]
[BlackElo "1793"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 dxe4 7. Nxe4 Bg7 8. Bc4 0-0 9. 0-0 Nc6 10. c3 e5 11. Nxe5 Nxe5 12. dxe5 Bxe5 13. Qxd8 Rxd8 14. Rfe1 Kg7 15. Ng5 f6 16. Nf7 Re8 17. Nxe5 fxe5 18. Re2 Be6 19. Bxe6 Rxe6 20. Rd1 Rd6 21. Rde1 Re8 22. f4 Rd5 23. fxe5 Re6 24. g4 Kf7 25. Kg2 Ra6 26. a3 Ke6 27. Rf1 Rxe5 28. Rxe5+ Kxe5 29. Rf7 Rb6 30. Rxc7 Rxb2+ 31. Kg3 Rb3 32. Rxh7 Rxc3+ 33. Kh4 Rxa3 34. Kg5 b5 35. Rb7 a6 36. h4 Ra4 37. Rb6 Kd5 38. Rxg6 b4 39. h5 b3 40. Rb6 Kc4 41. h6 Ra1 42. h7 Rh1 43. Rc6+ Kd5 44. Rh6 Rxh6 45. Kxh6 b2 46. h8Q b1Q 47. Qa8+ Ke5 48. Qxa6 Qh1+ 49. Kg7 Qh4 50. Qb5+ Kd6 51. Qd3+ Ke6 52. Qg6+ Kd7 53. g5 Kc7 54. Qf6 Qg4 55. g6 Kd7 56. Kg8 Ke8 57. g7 Qh3 58. Qc6+ Ke7 59. Qc7+ Ke8 60. Qe5+ Kd7 61. Kf7 Qb3+ 62. Kg6 Qg8 63. Qf5+ Ke7 64. Qf6+ Ke8 65. Qc6+ Ke7 66. Qc7+ 1-0

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.13"]
[Round "3"]
[White "Granados Diaz, Maria Esther"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1880"]
[BlackElo "2062"]
[PlyCount "152"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. c5 b6 7. b4 a5 8. Na4 Nbd7 9. a3 axb4 10. axb4 bxc5 11. bxc5 Be7 12. Nf3 0-0 13. Bd3 e5 14. Nxe5 Nxe5 15. dxe5 Ne4 16. 0-0 Nxc5 17. Bb5 Qa5 18. Bc6 Ra6 19. Bd2 Qc7 20. Bb5 Nxa4 21. Rxa4 Rxa4 22. Qxa4 Qxe5 23. Re1 Qf6 24. Be3 Be6 25. Bd4 Qh6 26. Bd7 Bd6 27. g3 Qd2 28. Rf1 Bxd7 29. Qxd7 Qxd4 30. Qxd6 g6 31. Re1 Ra8 32. Re5 Rc8 33. Qxd5 Qa1+ 34. Kg2 Rc1 35. Re8+ Kg7 36. Qe5+ Qxe5 37. Rxe5 Kf6 38. Ra5 g5 39. g4 Kg6 40. h3 Rc4 41. Kg3 f6 42. h4 Rc3+ 43. Kg2 gxh4 44. Rh5 h6 45. Rxh4 Kg5 46. Rh1 Kxg4 47. Rxh6 f5 48. Rg6+ Kf4 49. Rg8 Rc7 50. Rg3 Rh7 51. Rf3+ Kg5 52. Rg3+ Kf6 53. f4 Ra7 54. Rb3 Kg6 55. Kf3 Ra1 56. Rb6+ Kh5 57. Rf6 Ra3+ 58. Kf2 Kg4 59. Rf8 Kxf4 60. Kf1 Ra2 61. Rf7 Kg4 62. Rg7+ Kf3 63. Ke1 Ra1+ 64. Kd2 f4 65. Rg8 Kf2 66. Rf8 f3 67. Rf7 Ra8 68. Rf6 Rd8+ 69. Kc2 Ke2 70. Rf7 Rc8+ 71. Kb2 f2 72. Re7+ Kf1 73. Rf7 Re8 74. Rc7 Ke2 75. Rc2+ Kf3 76. Rc3+ Kg2 0-1

[Event "NCA-ch sf"]
[Site "Managua"]
[Date "2022.02.12"]
[Round "1"]
[White "Ferrufino, Michelle"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1823"]
[BlackElo "2062"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nd7 7. Bg2 Ngf6 8. 0-0 Bb4 9. exd5 cxd5 10. a3 Be7 11. d4 0-0 12. Ne2 Rc8 13. c3 b5 14. Re1 a5 15. Nf4 Qb6 16. Qd3 Rfe8 17. Bd2 Bf8 18. g4 h6 19. Qg3 b4 20. axb4 axb4 21. h4 bxc3 22. Bxc3 Bd6 23. Qf3 Ne4 24. Rxe4 dxe4 25. Qxe4 Nf6 26. Qf3 Bxf4 27. Qxf4 Nd5 28. Qd2 Nxc3 29. bxc3 Qb3 30. Rc1 Rc7 31. Bf1 Rec8 32. c4 Qf3 33. Qd1 Qf6 34. d5 exd5 35. Qxd5 Rc5 36. Qe4 Qxh4 37. Rc3 h5 38. Rg3 hxg4 39. Rxg4 Rg5 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Gogolev, Artem"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2032"]
[BlackElo "2296"]
[PlyCount "104"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 d6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Bf5 7. Qb3 b6 8. Nfd2 c6 9. e4 Be6 10. Nc3 Qc8 11. Re1 b5 12. d5 bxc4 13. Qxc4 cxd5 14. exd5 Bf5 15. Rxe7 Nbd7 16. Re1 Ne5 17. Qxc8 Rfxc8 18. Nde4 Nxe4 19. Nxe4 Nd3 20. Rd1 Bxe4 21. Bxe4 Nxc1 22. Raxc1 Bxb2 23. Rc6 Ba3 24. Rb1 Re8 25. Bf3 Rab8 26. Rb3 Bc5 27. Kf1 h5 28. Be2 Rxb3 29. axb3 Re5 30. Bc4 Rf5 31. f4 g5 32. Rc8+ Kg7 33. Kg2 gxf4 34. gxf4 Rxf4 35. Re8 Rf2+ 36. Kg3 Rd2 37. Re2 Rd4 38. h3 h4+ 39. Kf3 Kf6 40. Re4 Kf5 41. Rxd4 Bxd4 42. Bd3+ Ke5 43. Bc4 f5 44. b4 Bc3 45. b5 Kd4 46. Bb3 Kc5 47. Kf4 Kxb5 48. Kxf5 Kb4 49. Bc2 a5 50. Ke6 Be5 51. Kf5 a4 52. Ke4 a3 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "2"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Jumanov, Elbek"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2032"]
[BlackElo "2155"]
[PlyCount "131"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. g3 cxd4 5. Nxd4 Nc6 6. Bg2 Bg7 7. 0-0 0-0 8. Nc3 d6 9. Bg5 Nxd4 10. Qxd4 Be6 11. b3 Nd5 12. Qxd5 Bxd5 13. Nxd5 f6 14. Be3 b6 15. Nf4 Qd7 16. Bd5+ Kh8 17. Ne6 Rfc8 18. Nxg7 Kxg7 19. Bxa8 Rxa8 20. Rad1 Rc8 21. Rd5 Qe6 22. Rfd1 h5 23. h4 Qe4 24. R5d4 Qc2 25. R1d2 Qb1+ 26. Kg2 Rc5 27. R4d3 Re5 28. Bd4 Rxe2 29. Rxe2 Qxd3 30. Rxe7+ Kf8 31. Bxf6 Qf5 32. Bg5 a6 33. Re3 Kg8 34. Bf4 d5 35. Re5 Qc2 36. cxd5 Qxa2 37. Re3 Qb1 38. d6 Qd1 39. Re8+ Kf7 40. Re7+ Kf8 41. Bh6+ Kg8 42. d7 Qd5+ 43. Kh2 Qd4 44. Re8+ Kf7 45. Rf8+ Ke7 46. d8Q+ Qxd8 47. Rxd8 Kxd8 48. Be3 Kc7 49. Kg2 a5 50. Kf3 b5 51. Bd2 a4 52. bxa4 bxa4 53. Bb4 Kc6 54. Ke4 Kb5 55. Ba3 Kc4 56. Ke5 Kb3 57. Bf8 a3 58. Bxa3 Kxa3 59. Kf6 Kb4 60. Kxg6 Kc4 61. Kxh5 Kd4 62. Kg5 Ke4 63. h5 Kf3 64. h6 Kxf2 65. h7 Kxg3 66. h8Q 1-0

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.30"]
[Round "8"]
[White "Aburto, Santiago"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "1826"]
[BlackElo "2032"]
[PlyCount "94"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 c5 6. a3 Bxc3+ 7. Nxc3 b6 8. Be2 Bb7 9. 0-0 Qe7 10. dxc5 Qxc5 11. b4 Qg5 12. Bf3 Bxf3 13. Qxf3 Nc6 14. Bb2 Qg6 15. Qe2 Rfd8 16. Rfd1 d5 17. cxd5 Nxd5 18. Nxd5 Rxd5 19. Rxd5 exd5 20. Rc1 h6 21. Qc2 Qxc2 22. Rxc2 Rc8 23. b5 Ne7 24. Rxc8+ Nxc8 25. Be5 f6 26. Bb8 Kf7 27. Kf1 Ke6 28. a4 d4 29. e4 f5 30. exf5+ Kd5 31. Ke2 Kc4 32. Be5 Kb3 33. Bxg7 Nd6 34. g4 Kxa4 35. Kd3 Kxb5 36. Bxd4 Kc6 37. f4 Kd5 38. h4 h5 39. g5 Nxf5 40. g6 Ke6 41. Bb2 Nxh4 42. g7 Kf7 43. Ke4 a5 44. f5 Nxf5 45. Kxf5 b5 46. Kg5 b4 47. Kxh5 a4 1/2-1/2

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.30"]
[Round "9"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Castillo, Rommel"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2032"]
[BlackElo "1970"]
[PlyCount "101"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 d5 4. c4 e6 5. Bg2 c6 6. 0-0 Bd6 7. Bf4 Bxf4 8. gxf4 0-0 9. Nbd2 Bd7 10. Qb3 Qc7 11. Ne5 Be8 12. Rac1 Qb6 13. c5 Qc7 14. Rc3 Bh5 15. f3 Nbd7 16. e3 Be8 17. Kh1 Kh8 18. Rg1 Rb8 19. Qc2 Rg8 20. Bf1 Qd8 21. b4 a6 22. a4 Qe7 23. b5 axb5 24. axb5 Nxe5 25. fxe5 Nh5 26. bxc6 bxc6 27. Rb3 Rxb3 28. Nxb3 Qh4 29. Qg2 h6 30. f4 Qe7 31. Be2 Kh7 32. Qh3 Qf7 33. Na5 Qc7 34. Ra1 g6 35. Qf1 Ng7 36. Qb1 Bd7 37. Qb7 Rc8 38. Qxc7 Rxc7 39. Rb1 Ne8 40. Rb6 Kg8 41. Ba6 Kf7 42. Bb7 Ke7 43. Bxc6 Bxc6 44. Nxc6+ Kd7 45. Nb8+ Ke7 46. Kg2 Ng7 47. Kf3 Kd8 48. h4 Kc8 49. Nc6 Kd7 50. Nb8+ Kc8 51. c6 1-0

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.29"]
[Round "6"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Salazar Cabezas, Alberto Javier"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2032"]
[BlackElo "2143"]
[PlyCount "71"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. e4 g6 5. 0-0 Bg7 6. d3 Nge7 7. Be3 d6 8. Qd2 0-0 9. Bh6 b5 10. Nc3 b4 11. Ne2 Rb8 12. Nh4 Nd4 13. Nxd4 cxd4 14. Bxg7 Kxg7 15. f4 f6 16. h3 Qc7 17. Rf2 Bb7 18. Raf1 Qc5 19. g4 d5 20. fxe5 fxe5 21. Qg5 Qd6 22. Nf5+ Nxf5 23. gxf5 Qf6 24. Qxf6+ Rxf6 25. exd5 Rd8 26. fxg6 Rxf2 27. Rxf2 hxg6 28. Kh2 Bxd5 29. Bxd5 Rxd5 30. Kg3 Ra5 31. Kf3 Rxa2 32. b3 Ra5 33. Ke4 Rc5 34. h4 a5 35. Rg2 Kf6 36. Rf2+ 1/2-1/2

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.29"]
[Round "7"]
[White "Gutierrez, Oscar"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "1906"]
[BlackElo "2032"]
[PlyCount "52"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. b3 e6 4. Bb2 Be7 5. g3 0-0 6. Bg2 b6 7. 0-0 Bb7 8. Nbd2 Nbd7 9. c4 dxc4 10. bxc4 c5 11. e3 Qc7 12. Rc1 Rfd8 13. Re1 Rac8 14. Qb3 Ne4 15. d5 exd5 16. cxd5 Bxd5 17. Qxd5 Ndf6 18. Qb3 Nxd2 19. Nxd2 Rxd2 20. Bc3 Rdd8 21. e4 c4 22. Qb2 Qc5 23. Bh3 Rb8 24. e5 Nd5 25. e6 f6 26. Bd4 Qc8 0-1

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.28"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Rocha, Maximiliano"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2032"]
[BlackElo "2080"]
[PlyCount "24"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 c6 5. Bg2 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Bf4 b6 9. Nc3 Ba6 10. cxd5 cxd5 11. Kh1 Kh8 12. Kg1 Kg8 1/2-1/2

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.28"]
[Round "4"]
[White "Espinoza Solano, Jose Nahum"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2155"]
[BlackElo "2032"]
[PlyCount "79"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nf3 e6 6. Nc3 Be7 7. c5 0-0 8. Bd3 b6 9. b4 a5 10. Na4 Nbd7 11. a3 axb4 12. axb4 bxc5 13. bxc5 e5 14. Nxe5 Nxe5 15. dxe5 Ne4 16. 0-0 Nxc5 17. Re1 Nxd3 18. Qxd3 Be6 19. Be3 Qb8 20. Bd4 Qb4 21. Nc3 Qc4 22. Qe3 Rxa1 23. Rxa1 Rb8 24. h3 h6 25. Ra4 Rb4 26. Rxb4 Bxb4 27. Ne2 Qc2 28. Kh2 Bd2 29. Qf3 Qe4 30. Qxe4 dxe4 31. Bc3 e3 32. fxe3 Bxe3 33. Kg3 Bc4 34. Nd4 Bxd4 35. Bxd4 Bd5 36. Kf2 Kf8 37. g4 Ke7 38. Kg3 Ke6 39. Kf4 g5+ 40. Kg3 1/2-1/2

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.27"]
[Round "2"]
[White "Aburto Garcia, Jose Luis"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1820"]
[BlackElo "2032"]
[PlyCount "78"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. e3 Nc6 5. Nbd2 Bg4 6. Be2 Qb6 7. h3 Bh5 8. g4 Bg6 9. dxc5 Qxc5 10. c3 e6 11. 0-0 Be7 12. Bc7 Bd8 13. Nb3 Qe7 14. Bh2 Bc7 15. Nbd4 Bxh2+ 16. Kxh2 0-0 17. Bd3 Bxd3 18. Qxd3 e5 19. Nf5 Qc7 20. e4 dxe4 21. Qe3 exf3 22. Qg5 Ne8 23. h4 f6 24. Qe3 Nd6 25. Ng3 e4 26. Rad1 Rad8 27. Qc5 Rfe8 28. Qd5+ Nf7 29. Qc4 e3 30. fxe3 Rxd1 31. Rxd1 Rxe3 32. Qc5 Qe7 33. Qd5 Qe6 34. Nf5 Re2+ 35. Kg3 Qxd5 36. Rxd5 Nfe5 37. b4 f2 38. Kg2 Nxg4 39. b5 Nh2 0-1

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.27"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Vanegas Lopez, Natanael Emanuel"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2032"]
[BlackElo "1882"]
[PlyCount "101"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 Nc6 8. Qxc4 Re8 9. Nc3 Nd5 10. Rd1 Nb6 11. Qd3 Bf6 12. Bf4 Qe7 13. Ne4 Nd5 14. Nxf6+ Qxf6 15. Bg5 Qg6 16. Qxg6 hxg6 17. Rac1 a5 18. e4 Ndb4 19. a3 Na6 20. d5 exd5 21. exd5 Ne5 22. Bf4 Bg4 23. Bxe5 Bxf3 24. Bxf3 Rxe5 25. d6 cxd6 26. Rxd6 Rb8 27. Rb6 Nc5 28. b4 axb4 29. axb4 Na4 30. Rd6 Rb5 31. Rc7 Rxb4 32. Bd5 Rf8 33. Rdd7 Nb6 34. Bxf7+ Kh7 35. Rd6 Rb1+ 36. Kg2 Rb2 37. Rxb7 Nc8 38. Bxg6+ Kh6 39. Rxb2 Nxd6 40. Rb6 Rf6 41. Bd3 Ne8 42. Rxf6+ Nxf6 43. h4 g5 44. hxg5+ Kxg5 45. f4+ Kg4 46. Be2+ Kf5 47. Kf3 Nd5 48. g4+ Kf6 49. g5+ Kg6 50. Bc4 Ne7 51. Kg4 1-0

[Event "Managua Hurtado Memorial op"]
[Site "Managua"]
[Date "2021.12.26"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Pichardo, Carlos"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2032"]
[BlackElo "1674"]
[PlyCount "95"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Bd6 7. Bf4 0-0 8. Nbd2 Ne4 9. Qb3 Qe7 10. Bxd6 Qxd6 11. cxd5 exd5 12. Nxe4 fxe4 13. Ne5 Nd7 14. Nxd7 Qxd7 15. Bxe4 Qe7 16. Bf3 Bh3 17. Rfe1 Qf7 18. Qe3 Rae8 19. Qf4 Qe6 20. Qe5 Qxe5 21. dxe5 Rxe5 22. Bg2 Bxg2 23. Kxg2 Rfe8 24. Kf1 g5 25. Rad1 Re4 26. e3 Kf7 27. Rd2 g4 28. Red1 Ke6 29. Kg2 Kf5 30. Rh1 h5 31. h3 Kg6 32. hxg4 hxg4 33. Rh4 R8e7 34. Rh8 Re8 35. Rxe8 Rxe8 36. Rd4 Re4 37. f3 gxf3+ 38. Kxf3 Rxd4 39. exd4 Kf5 40. b4 b6 41. g4+ Kg5 42. Kg3 a6 43. a3 Kf6 44. Kf4 Ke6 45. g5 a5 46. Kg4 axb4 47. axb4 b5 48. Kf4 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "9"]
[White "Altucher, James"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1839"]
[BlackElo "2032"]
[PlyCount "104"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 Be7 6. b3 0-0 7. Bb2 c5 8. Nbd2 Nc6 9. a3 Qc7 10. c4 Rac8 11. Rc1 Rfd8 12. Re1 cxd4 13. exd4 d5 14. Ne5 dxc4 15. Ndxc4 Qb8 16. Re3 b5 17. Nxc6 Rxc6 18. Ne5 Rxc1 19. Qxc1 b4 20. a4 Bd5 21. Qd1 Qb7 22. Rg3 Be4 23. f3 Bxd3 24. Qxd3 Qd5 25. Rg5 h6 26. Rg3 Qxe5 27. dxe5 Rxd3 28. exf6 Bc5+ 29. Kf1 g6 30. Be5 Rxb3 31. f4 Rxg3 32. hxg3 a6 33. Ke2 g5 34. Kd3 Kh7 35. Kc4 Bf8 36. a5 Kg6 37. fxg5 hxg5 38. g4 Kh6 39. Bb2 Kg6 40. Kb3 Bd6 41. Bd4 e5 42. Be3 Kxf6 43. Bd2 Ke6 44. Bxb4 Bxb4 45. Kxb4 Kd5 46. Kc3 e4 47. Kd2 Kd4 48. Ke2 e3 49. g3 Ke4 50. Ke1 Kf3 51. Kf1 e2+ 52. Ke1 f6 0-1

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Deviprasath, Sharvesh"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2032"]
[BlackElo "2225"]
[PlyCount "71"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 d6 5. Bg2 0-0 6. 0-0 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. h3 c6 10. Be3 a5 11. Qd2 Qe7 12. Rad1 Nc5 13. Ng5 h6 14. Nge4 Ncxe4 15. Nxe4 Nxe4 16. Bxe4 Bxh3 17. Bg2 Be6 18. Bxh6 Rad8 19. Qe3 Bxc4 20. Bxg7 Kxg7 21. b3 Ba6 22. f4 Rxd1 23. Rxd1 Re8 24. f5 gxf5 25. Rf1 Qf6 26. Bh3 f4 27. gxf4 exf4 28. Qxe8 Qg5+ 29. Kh2 Qg3+ 30. Kh1 Qxh3+ 31. Kg1 Qg3+ 32. Kh1 Kf6 33. Qh8+ Ke7 34. Qe5+ Kd7 35. Rd1+ Kc8 36. Qe8+ 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Dilmukhametov, Artur"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2032"]
[BlackElo "2293"]
[PlyCount "48"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Nc3 Nxe5 5. Nd5 Nxf3+ 6. gxf3 Qc5 7. b4 Qc6 8. b5 Qc5 9. Be3 Qc4 10. Qd3 Bb4+ 11. c3 Qxd3 12. exd3 Ba5 13. Bd4 f6 14. Kd2 c6 15. Re1+ Kf7 16. bxc6 bxc6 17. Nf4 Ne7 18. Bh3 Ng6 19. Nh5 d5 20. Bc5 Bxh3 21. Rhg1 Rhe8 22. Rb1 Rab8 23. Rxb8 Rxb8 24. Kc2 Bb6 0-1

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "10"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Hasman, Cengiz"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2032"]
[BlackElo "2101"]
[PlyCount "121"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. Nc3 Bf5 8. Bd2 Ne4 9. Nxe4 Bxe4 10. Bc3 e5 11. dxe5 dxe5 12. Qb3 b6 13. Rad1 Qe7 14. h4 h6 15. Rd2 Rad8 16. Rfd1 Rxd2 17. Rxd2 Rd8 18. Qd1 Rxd2 19. Qxd2 Bxf3 20. exf3 Nd4 21. f4 c5 22. fxe5 Qxe5 23. Bd5 Kh7 24. Bxd4 cxd4 25. Bxf7 Qf6 26. Bd5 Bf8 27. Qd3 Kg7 28. Kg2 a5 29. f4 Bc5 30. Kf3 Qe7 31. Qe4 Qxe4+ 32. Kxe4 Kf6 33. g4 g5 34. fxg5+ hxg5 35. h5 Bd6 36. Bg8 Kg7 37. Be6 Be7 38. Bf5 Bc5 39. Kd5 Kf6 40. Kc6 a4 41. a3 Kg7 42. Kb5 Kf6 43. Kxa4 Bd6 44. Kb5 Bc5 45. b4 Bf8 46. Kxb6 Ke5 47. c5 Kd5 48. c6 Bd6 49. c7 Bxc7+ 50. Kxc7 d3 51. Bxd3 Kd4 52. Bf5 Kc3 53. b5 Kb2 54. b6 Kxa3 55. b7 Kb4 56. b8Q+ Kc5 57. Qb6+ Kc4 58. Qd6 Kc3 59. Qg6 Kd4 60. Qxg5 Ke5 61. Qe7+ 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Janaszak, Dawid"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "2032"]
[BlackElo "2333"]
[PlyCount "60"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nc3 Qa5 9. Nb3 Qh5 10. e4 d6 11. Qxh5 Nxh5 12. Bg5 h6 13. Be3 Nf6 14. Nd5 Ng4 15. Bc1 Bd7 16. Rd1 b6 17. h3 Nge5 18. Nd2 Nd3 19. Rb1 Rac8 20. Nf3 Nc5 21. b4 Nxe4 22. b5 Nc3 23. Nxc3 Bxc3 24. bxc6 Bxc6 25. Bxh6 Be4 26. Bxf8 Bxb1 27. Rxb1 Kxf8 28. Rc1 Bb2 29. Rc2 Ba3 30. Nd2 b5 0-1

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "8"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Kejzar, Petra"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2032"]
[BlackElo "2072"]
[PlyCount "70"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. Qa4 cxd4 8. Nxd4 Qxd4 9. Bxc6+ Bd7 10. Bxd7+ Qxd7 11. Qxc4 Rc8 12. Qb3 Be7 13. Rd1 Qc6 14. Be3 h5 15. Na3 0-0 16. Rac1 Qe4 17. f3 Qg6 18. Qxb7 Rxc1 19. Rxc1 Bxa3 20. bxa3 h4 21. Kf2 hxg3+ 22. hxg3 Nd5 23. Bxa7 Qh6 24. Rg1 Qd2 25. Qb3 Ra8 26. Bc5 Rc8 27. Bb4 Qd4+ 28. Kg2 Ne3+ 29. Kh2 Rc2 30. Re1 Qe5 31. Qd3 Qh5+ 32. Kg1 Qg5 33. Kf2 Nf5 34. Rg1 Rxa2 35. Qc3 Qd8 0-1

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "6"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Yavuz, Efe Metehan"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2032"]
[BlackElo "2025"]
[PlyCount "84"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 d6 4. c4 g6 5. b3 Bg7 6. Bb2 0-0 7. Nbd2 e5 8. dxe6 Bxe6 9. e3 d5 10. cxd5 Nxd5 11. Bxg7 Kxg7 12. Bc4 Nc7 13. 0-0 Nc6 14. Qc2 b6 15. Rad1 Qe7 16. Ne4 Bf5 17. Qb2+ f6 18. Nd6 Bg4 19. Be2 Ne5 20. Nxe5 Bxe2 21. Qxe2 fxe5 22. Qg4 Rad8 23. Ne4 Qf7 24. h4 Qe6 25. Qg3 Rxd1 26. Rxd1 Qf5 27. Ng5 h6 28. Nf3 Re8 29. Rd6 Re7 30. Nd2 b5 31. h5 Qxh5 32. Ne4 Qf5 33. Nxc5 Qb1+ 34. Kh2 Ne8 35. e4 Nxd6 36. Qh4 g5 37. Qh3 Nxe4 38. Qf5 Rf7 39. Qxe5+ Nf6 40. Ne6+ Kg6 41. Qd6 Qf5 42. Nd4 Qf4+ 0-1

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "2"]
[White "Munoz Galvez, Jhon Edison"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2276"]
[BlackElo "2032"]
[PlyCount "53"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Be7 7. d5 exd5 8. cxd5 0-0 9. e4 d6 10. f3 Nbd7 11. Nd4 Re8 12. Be3 Bf8 13. Qd2 a6 14. Bc4 g6 15. 0-0 Bg7 16. Rac1 b5 17. Ba2 Nb6 18. Nce2 Qe7 19. Nc6 Bxc6 20. Rxc6 Nxe4 21. fxe4 Qxe4 22. Rf3 Nc4 23. Bxc4 bxc4 24. Rxc7 Rab8 25. Nc3 Bxc3 26. Qxc3 Rb3 27. Qf6 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "4"]
[White "Nastore, Pavel Alexandru"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2329"]
[BlackElo "2032"]
[PlyCount "63"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Qc7 10. Bd2 Ngf6 11. 0-0-0 0-0-0 12. Rhe1 e6 13. Qe2 Be7 14. c4 Rhe8 15. Ne5 Nxe5 16. dxe5 Nd7 17. h5 Nc5 18. Bc3 Rxd1+ 19. Rxd1 Rd8 20. f4 Bh4 21. Ne4 Rxd1+ 22. Kxd1 Qd8+ 23. Kc2 Nxe4 24. Qxe4 Be7 25. Bd4 c5 26. Be3 Kc7 27. g4 b6 28. Qh7 Qf8 29. f5 exf5 30. gxf5 f6 31. e6 Bd6 32. Bxh6 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "11"]
[White "Serikbay, Assel"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2263"]
[BlackElo "2032"]
[PlyCount "87"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 0-0 6. Nc3 d5 7. Nf3 Nbd7 8. 0-0 c6 9. Bf4 Nh5 10. Ne5 Nxf4 11. gxf4 dxc4 12. e3 Nf6 13. Qe2 Nd5 14. Qxc4 Bd7 15. Rad1 Bf6 16. Ne4 Qe7 17. Nc5 Bxe5 18. dxe5 b6 19. Nxd7 Qxd7 20. e4 b5 21. Qc1 Qb7 22. exd5 exd5 23. Qc5 Rae8 24. Bh3 f5 25. Qd6 Rf7 26. Rc1 Rc8 27. Qe6 g6 28. Rc2 Kf8 29. Rfc1 Rfc7 30. Qf6+ Kg8 31. Rc5 a5 32. R1c3 a4 33. Rg3 Rf7 34. Qe6 Kh8 35. Rgc3 Rfc7 36. Qf6+ Kg8 37. e6 Re7 38. Bg2 Rf8 39. Qe5 Rc8 40. Bxd5 Rd8 41. Bxc6 Qa7 42. Bd5 b4 43. Rc7 Qb6 44. Rxe7 1-0

[Event "Titled Tuesday intern op 21st Dec"]
[Site "Chess.com INT"]
[Date "2021.12.21"]
[Round "7"]
[White "Stefanov, Plamen"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2077"]
[BlackElo "2032"]
[PlyCount "70"]
[EventDate "2021.12.21"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. h3 Bg7 6. d3 e5 7. Nc3 Ne7 8. Be3 b6 9. Qd2 f5 10. Bh6 0-0 11. Bxg7 Kxg7 12. 0-0 f4 13. Nh2 Be6 14. Kh1 Qd7 15. f3 Rad8 16. Qe2 g5 17. Ng4 Ng6 18. Nd1 h5 19. Ngf2 Rh8 20. Kg1 Rdg8 21. a4 a5 22. c3 Kf8 23. b4 Nh4 24. bxc5 bxc5 25. Rb1 g4 26. fxg4 hxg4 27. Nxg4 Bxg4 28. hxg4 Ke7 29. Qf2 Rxg4 30. Qxc5+ Kf6 31. Rf2 Rhg8 32. Rb6 Rxg2+ 33. Kf1 Qxd3+ 34. Ke1 Rg1+ 35. Rf1 Rxf1# 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "1"]
[White "Aldokhin, Ivan"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2413"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Bb7 6. a3 Be7 7. d5 d6 8. Ng3 0-0 9. Be2 Nbd7 10. 0-0 c6 11. e4 cxd5 12. exd5 exd5 13. cxd5 Re8 14. Bb5 a6 15. Ba4 b5 16. Bc2 Bf8 17. Bg5 h6 18. Be3 Rb8 19. Nf5 Rc8 20. Qd2 Nb6 21. Bxh6 Nc4 22. Qg5 Nxd5 23. Qg3 Qf6 24. Bg5 Qg6 25. Ne7+ Nxe7 26. Bxg6 Nxg6 27. Rab1 Nge5 28. Rfd1 g6 29. Bf6 Re6 30. Qh4 Bg7 31. Bxg7 Kxg7 32. Nd5 Rh8 33. Qf4 Rh5 34. h3 Rf5 35. Qg3 Na5 36. Nf4 1-0

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "7"]
[White "Brunner, Nicolas"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2415"]
[BlackElo "2032"]
[PlyCount "158"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Nf3 0-0 6. Bg2 d5 7. Qc2 b6 8. 0-0 Ba6 9. b3 Nbd7 10. Bf4 Rc8 11. a3 Bd6 12. Be5 Ne4 13. Nc3 Nxc3 14. Qxc3 Nxe5 15. dxe5 Be7 16. Rfd1 c6 17. e4 Qe8 18. Nd2 dxc4 19. Nxc4 Bxc4 20. Qxc4 Rd8 21. f4 c5 22. Kh1 Qc6 23. a4 Rxd1+ 24. Rxd1 Rd8 25. Rxd8+ Bxd8 26. f5 Be7 27. h4 g6 28. f6 Bd8 29. Qd3 Bc7 30. Kh2 h6 31. Qd2 Kh7 32. Qf4 Qd7 33. Bf3 Qd4 34. Kh3 Qxe5 35. Qxe5 Bxe5 36. h5 Bxf6 37. hxg6+ Kxg6 38. Kg4 Be5 39. Be2 h5+ 40. Kh4 Bf6+ 41. Kh3 Be5 42. Kh4 Bf6+ 43. Kh3 Bg5 44. Bb5 f6 45. Be8+ Kh6 46. Bf7 e5 47. Be6 Be3 48. Bf5 Bg5 49. Be6 Be3 50. Bf5 Kg5 51. Be6 Bf2 52. Kg2 Be1 53. Kh3 h4 54. gxh4+ Bxh4 55. Kg2 Kf4 56. Bd5 Ke3 57. Kh3 Bg5 58. Kg4 Kd4 59. Kf5 Bh4 60. Ke6 Bg5 61. Kd7 f5 62. Kc6 fxe4 63. Bc4 e3 64. Kxb6 Bd8+ 65. Kc6 Kc3 66. Kd7 Kd2 67. Kxd8 e2 68. Bxe2 Kxe2 69. Kd7 Kd2 70. Kc6 e4 71. Kxc5 e3 72. Kb5 e2 73. Kxa5 e1Q 74. b4 Kd3 75. Kb5 Kd4 76. a5 Qe5+ 77. Kb6 Kd5 78. b5 Kd6 79. Kb7 Qxb5+ 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "11"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Barria Zuniga, Daniel"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2032"]
[BlackElo "2341"]
[PlyCount "64"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nc6 2. b3 d5 3. Bb2 Bg4 4. d4 Bxf3 5. exf3 e6 6. Nd2 g6 7. Bd3 Bg7 8. c3 Nge7 9. Qe2 0-0 10. 0-0-0 a6 11. h4 b5 12. b4 a5 13. a3 axb4 14. axb4 e5 15. dxe5 Nxe5 16. Bxb5 c5 17. bxc5 Qc7 18. f4 N5c6 19. h5 Rfb8 20. hxg6 hxg6 21. Nf3 Qa5 22. Bxc6 Nxc6 23. Ne5 Nxe5 24. fxe5 Qxc5 25. e6 Bxc3 26. exf7+ Kg7 27. f8Q+ Kxf8 28. Qf3+ Bf6+ 29. Bc3 Ra1+ 30. Kc2 Ra2+ 31. Kc1 Qxc3+ 32. Qxc3 Bxc3 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Di Nicolantonio, Lucas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2032"]
[BlackElo "2431"]
[PlyCount "62"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Nbd2 0-0 6. Bd3 b6 7. 0-0 Bxf4 8. exf4 Ba6 9. Bxa6 Nxa6 10. Qe2 Nb8 11. Ne5 c5 12. c3 Qc7 13. Rfc1 Nc6 14. Qb5 Rfc8 15. Ndf3 h6 16. a4 Na5 17. dxc5 bxc5 18. Rab1 Rab8 19. Qd3 Nb3 20. Rd1 Ne4 21. g3 c4 22. Qc2 Nbc5 23. Nd4 Rb6 24. f3 Nf6 25. f5 Qxe5 26. a5 Rbb8 27. Re1 Qd6 28. fxe6 fxe6 29. Re3 Nd3 30. b3 e5 31. bxc4 Rxb1+ 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "2"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Garagulya, Konstantin"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2032"]
[BlackElo "2389"]
[PlyCount "83"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 d5 6. Bd3 Bd6 7. Bxd6 Qxd6 8. f4 c4 9. Bc2 b5 10. a3 a5 11. Ngf3 Bb7 12. Ne5 0-0 13. Qf3 b4 14. 0-0 Ne7 15. axb4 axb4 16. e4 b3 17. Rxa8 Rxa8 18. Bb1 g6 19. exd5 exd5 20. Nexc4 dxc4 21. Qxb7 Rc8 22. Ne4 Nxe4 23. Bxe4 Rc7 24. Qb5 f6 25. g3 Qe6 26. Bf3 Ra7 27. Qb8+ Kg7 28. Qxa7 Kh6 29. d5 Qf5 30. d6 Nc8 31. Qd4 Qd7 32. Rd1 Kg7 33. Kg2 h5 34. h4 Na7 35. Qxc4 Nb5 36. Qc6 Qf5 37. Qxb5 Qxb5 38. d7 Qf5 39. d8Q Qc2+ 40. Rd2 Qc1 41. Rd7+ Kh6 42. Qh8# 1-0

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "8"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Jakubowski, Krzysztof"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2032"]
[BlackElo "2471"]
[PlyCount "56"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 g6 2. h4 h6 3. d4 d6 4. Nc3 Nf6 5. e4 c6 6. a4 Bg7 7. Be3 Ng4 8. Bf4 Nd7 9. Qd2 Qc7 10. 0-0-0 a6 11. Bc4 b5 12. Bb3 e5 13. dxe5 dxe5 14. Bg3 Nc5 15. Ba2 0-0 16. h5 g5 17. Nxg5 hxg5 18. Qxg5 Nh6 19. f4 Kh8 20. f5 f6 21. Qe3 Nxa4 22. Nxa4 bxa4 23. Bh4 Rb8 24. Qc3 Qb6 25. Kb1 a5 26. g4 Qb4 27. g5 Qxc3 28. gxh6 Qxb2# 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "9"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Martins, Vinicius Tine"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2032"]
[BlackElo "2313"]
[PlyCount "60"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 c5 4. e3 g6 5. Bb5+ Bd7 6. Qe2 Bg7 7. 0-0 0-0 8. Ne5 Bxb5 9. Qxb5 Qc7 10. f4 Nbd7 11. Nxd7 Nxd7 12. Bxg7 Kxg7 13. f5 b6 14. Nc3 Nf6 15. fxg6 hxg6 16. Rf2 Rh8 17. h3 Qe5 18. Raf1 Rh5 19. Qd3 Rah8 20. Rf4 Rg5 21. Ne2 Rxh3 22. c4 dxc4 23. bxc4 Rh8 24. Qc2 Rgh5 25. Ng3 Rh4 26. R4f3 Rd8 27. Ne2 Qh2+ 28. Kf2 Ne4+ 29. Ke1 Rxd2 30. Rxf7+ Kh6 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Sadykov, Ramil"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2032"]
[BlackElo "2345"]
[PlyCount "139"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Bxf6 Bxf6 6. e4 dxe4 7. Nxe4 Bg7 8. Qd2 0-0 9. h3 b6 10. 0-0-0 a5 11. Bc4 c6 12. a3 b5 13. Ba2 b4 14. a4 Nd7 15. Rhe1 e6 16. Kb1 Nb6 17. Nc5 Nd5 18. Ne5 Qc7 19. h4 Rb8 20. h5 Nc3+ 21. Ka1 Nxd1 22. Qxd1 Rd8 23. Qg4 Qd6 24. hxg6 hxg6 25. c3 bxc3 26. bxc3 Bd7 27. f4 Bxe5 28. fxe5 Qf8 29. Ne4 Qg7 30. Nf6+ Kf8 31. Rh1 Ke7 32. Rh7 Qxh7 33. Nxh7 Rh8 34. Qg5+ Ke8 35. Nf6+ Kd8 36. Ng4+ Kc7 37. Nf2 Rh5 38. Qe3 Rf5 39. Qe2 g5 40. Nd3 g4 41. Bb1 Rh5 42. Nc5 Rh1 43. Qd2 Rbxb1+ 44. Ka2 Ra1+ 45. Kb3 Rhb1+ 46. Kc4 Ra2 47. Qxa2 Rb6 48. Qc2 Bc8 49. Kd3 Rb8 50. Ke3 Ra8 51. Qd3 Rb8 52. Qe4 Rb2 53. Qxg4 Rc2 54. Qg7 Rxc3+ 55. Ke4 Rc2 56. Qxf7+ Kb6 57. Nxe6 Re2+ 58. Kd3 Ba6+ 59. Kc3 Re3+ 60. Kd2 Re2+ 61. Kc3 Re3+ 62. Kc2 Rd3 63. Kc1 Rc3+ 64. Kd2 Rd3+ 65. Ke1 Re3+ 66. Kf2 Re2+ 67. Kf3 Re3+ 68. Kxe3 c5 69. Nxc5 Bc8 70. Qf6+ 1-0

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "4"]
[White "Frank, Adam"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2339"]
[BlackElo "2032"]
[PlyCount "114"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 Nf6 5. Bg2 h6 6. 0-0 Be7 7. e3 0-0 8. Nc3 Nbd7 9. Ne2 Bh7 10. Nf4 a5 11. a4 c6 12. d3 Qc7 13. Qe2 g5 14. Nh3 g4 15. Nh4 gxh3 16. Bxh3 Rfe8 17. f4 Bf8 18. Nf3 Bg7 19. Qg2 c5 20. g4 c4 21. Kh1 cxd3 22. g5 hxg5 23. Qxg5 Qxc2 24. Rg1 Bg6 25. Rg2 d2 26. Rxd2 Qe4 27. Bg2 Qf5 28. Qh4 Qh5 29. Qf2 Ne4 30. Qg1 Nxd2 31. Bxg7 Kxg7 32. Nxd2 Rh8 33. Nf3 Nf6 34. Qf2 Rh7 35. Rg1 Rah8 36. Bf1 Ne4 37. Qg2 Kf8 38. Be2 Qh6 39. Rc1 Qh3 40. Qg1 Kg7 41. Rc7 Nf6 42. Bd1 Rh6 43. Rxb7 Ne4 44. Qe1 Qh5 45. b4 Kh7 46. bxa5 Qf5 47. a6 Rh3 48. a7 Ra8 49. a5 Bh5 50. Qg1 Bxf3+ 51. Bxf3 Rxf3 52. Rb8 Nf2+ 53. Kg2 Qg4+ 54. Kf1 Nh3+ 55. Ke2 Nxg1+ 56. Kd3 Rxe3+ 57. Kxe3 Rxa7 0-1

[Event "Titled Tuesday intern op 14th Dec"]
[Site "Chess.com INT"]
[Date "2021.12.14"]
[Round "6"]
[White "Manukyan, Artyom"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2106"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2021.12.14"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. g3 b5 4. Bg2 Bb7 5. a4 a6 6. 0-0 Nf6 7. b3 cxb3 8. Qxb3 Bd5 9. Qb2 e6 10. axb5 axb5 11. Rxa8 Bxa8 12. Qxb5+ Nbd7 13. Nc3 Bd6 14. d3 0-0 15. Bb2 Qb8 16. Ra1 Bxf3 17. Bxf3 Be5 18. Qxb8 Rxb8 19. Ra8 Kf8 20. Ba3+ Bd6 21. Bc1 Ke7 22. Rxb8 Nxb8 23. Nb5 h6 24. Kg2 Nbd7 25. d4 e5 26. e3 exd4 27. Nxd4 Ne5 28. Be2 Ne4 29. Bb2 g6 30. Bb5 Nc5 31. f4 Ng4 32. Nc6+ Kd7 33. Ne5+ Ke6 34. Nxg4 h5 35. Ne5 Bxe5 36. Bxe5 1-0

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "3"]
[White "Babiy, Olga"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2283"]
[BlackElo "2019"]
[PlyCount "51"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nf3 e6 4. e3 Be7 5. Bd3 0-0 6. Nbd2 b6 7. c3 Bb7 8. Ne5 Nfd7 9. h4 Nxe5 10. dxe5 Nd7 11. f4 f6 12. Qh5 f5 13. g4 Qe8 14. Bxe7 Qxe7 15. gxf5 exf5 16. Bxf5 Rxf5 17. Qxf5 d4 18. Rg1 dxc3 19. bxc3 Rf8 20. Qg4 Nc5 21. Nc4 Nd3+ 22. Ke2 Ba6 23. Kxd3 Rd8+ 24. Kc2 Bxc4 25. Rad1 Rf8 26. Rd7 1-0

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Cremisi, Daniel Josef"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2019"]
[BlackElo "2133"]
[PlyCount "133"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bxd6 Qxd6 6. f4 0-0 7. Bd3 c5 8. c3 Nc6 9. Ngf3 Nd7 10. 0-0 f6 11. Qe2 b6 12. Rad1 Bb7 13. Kh1 e5 14. fxe5 fxe5 15. e4 cxd4 16. cxd4 Nxd4 17. Nxd4 exd4 18. exd5 Ne5 19. Nc4 Nxc4 20. Bxc4 Rfe8 21. Qf3 Kh8 22. Rxd4 Rf8 23. Rf4 Rg8 24. Rf7 Rab8 25. Bb3 Ba6 26. h3 Bxf1 27. Qxf1 Rgf8 28. Rxf8+ Rxf8 29. Qc4 Qf6 30. Qc6 Qxc6 31. dxc6 Rc8 32. Bd5 g6 33. b4 Kg7 34. b5 Kf6 35. Bf3 Ke5 36. a4 Kd4 37. Bg4 Rc7 38. Kg1 Kc4 39. Kf2 Kb4 40. Bd1 Ka5 41. g3 a6 42. bxa6 Kxa6 43. Be2+ Ka5 44. Bb5 Kb4 45. Kf3 Kc5 46. Kf4 Kd6 47. Kg5 Rf7 48. h4 Rf3 49. g4 Rg3 50. h5 gxh5 51. Kxh5 Rg1 52. Kg5 Rc1 53. Kh6 Ke7 54. Kxh7 Kf6 55. g5+ Kxg5 56. Kg7 Kf5 57. Kf7 Ke5 58. Ke7 Kd5 59. Kd7 Rh1 60. c7 Rh7+ 61. Kd8 Kd6 62. c8Q Rh8+ 63. Be8 Rh7 64. Qc4 Rh5 65. Qd4+ Rd5 66. Qe3 b5 67. Qe7# 1-0

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "4"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Gabdushev, Ruslan"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2019"]
[BlackElo "2256"]
[PlyCount "72"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 c6 2. Bf4 h6 3. e3 d6 4. Nd2 g5 5. Bg3 Bg7 6. h3 h5 7. Ngf3 Qa5 8. Be2 Nd7 9. c3 h4 10. Bh2 Nf8 11. a4 g4 12. hxg4 Bxg4 13. Qb3 Qb6 14. Ng5 Qxb3 15. Nxb3 Bd7 16. a5 Ne6 17. Nf3 h3 18. gxh3 Rxh3 19. 0-0-0 Nf6 20. a6 bxa6 21. Bg3 Rxh1 22. Rxh1 Ne4 23. Bxa6 Nxg3 24. fxg3 Rb8 25. Nbd2 c5 26. Rh7 Kf8 27. Bc4 Kg8 28. Rh5 cxd4 29. exd4 Rc8 30. Ra5 Rc7 31. Bd5 Nxd4 32. Nxd4 Bxd4 33. Nc4 Bf2 34. Nd2 Bxg3 35. Kc2 Bf4 36. Nf3 Bf5+ 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "10"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Karavaeva, Olga"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2019"]
[BlackElo "2260"]
[PlyCount "62"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 c6 4. Bg2 Nf6 5. c4 dxc4 6. Ne5 Nbd7 7. Nxc4 Be7 8. 0-0 0-0 9. Bf4 Nd5 10. Nc3 Nxf4 11. gxf4 Bf6 12. Rc1 Qe7 13. e4 g6 14. Re1 Rd8 15. e5 Bg7 16. Qb3 Rb8 17. Ne4 f5 18. Ned6 a6 19. Nb6 Nxb6 20. Qxb6 Bd7 21. Qb3 Be8 22. a4 Bf7 23. a5 Rxd6 24. exd6 Qxd6 25. Rcd1 Qxf4 26. Qg3 Qxg3 27. hxg3 g5 28. Bf3 Rd8 29. Re2 Bxd4 30. Red2 e5 31. Be2 Bb3 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "7"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Mirzanurov, Bulat"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2019"]
[BlackElo "2238"]
[PlyCount "52"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bxd6 Qxd6 6. f4 c5 7. c3 cxd4 8. cxd4 Qb6 9. Bd3 Nc6 10. Ngf3 Qxb2 11. 0-0 0-0 12. a3 Qc3 13. Qe2 Ne7 14. Rfc1 Qa5 15. Rab1 Nf5 16. Bxf5 exf5 17. Ne5 Qxa3 18. Ndf3 b6 19. Rc7 Ba6 20. Qc2 Qxe3+ 21. Kh1 Ne4 22. Re1 Qxf4 23. Nd7 Rfc8 24. Nfe5 h5 25. Nf6+ gxf6 26. g3 Qf2 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "2"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Mustafayev, Farid Farman Oglu"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2019"]
[BlackElo "2299"]
[PlyCount "50"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 g6 6. Ngf3 Bg7 7. Bb5 cxd4 8. cxd4 0-0 9. 0-0 Qb6 10. Qb3 Na5 11. Qa4 a6 12. Bd3 Bd7 13. Qa3 Rfc8 14. Rfc1 Bf8 15. b4 Nc6 16. Rab1 e6 17. Qb3 Qd8 18. b5 Na5 19. Qb2 axb5 20. Bxb5 Nc4 21. Nxc4 dxc4 22. Bxc4 Ba3 23. Qxb7 Bxc1 24. Rxc1 Ra4 25. Qb3 Nd5 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "8"]
[White "Garagulya, Konstantin"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2389"]
[BlackElo "2019"]
[PlyCount "67"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 d5 5. e3 0-0 6. c4 dxc4 7. Bxc4 a6 8. 0-0 b5 9. Be2 Bb7 10. Nb3 Nbd7 11. Rc1 Rc8 12. Na5 Be4 13. Nc6 Bxc6 14. Rxc6 Nb8 15. Rc2 c5 16. Bxf6 gxf6 17. a4 bxa4 18. Rd2 Qb6 19. Qxa4 Rfd8 20. dxc5 Bxc5 21. Qg4+ Kh8 22. Qh4 Kg7 23. Bd3 f5 24. Qg5+ Kf8 25. Qh6+ Ke8 26. Qxh7 Nc6 27. Rfd1 Be7 28. Qh8+ Bf8 29. h4 Nb4 30. Ne5 Nxd3 31. Rxd3 Qxb2 32. Rxd8+ Rxd8 33. Rxd8+ Kxd8 34. Nxf7+ 1-0

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "11"]
[White "Gedgafov, Chamal"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2202"]
[BlackElo "2019"]
[PlyCount "80"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 Nc6 7. Nd2 g6 8. Ngf3 Bf5 9. Qc1 Bg7 10. Be2 0-0 11. h3 Rfc8 12. Bd1 Qd8 13. Bc2 b5 14. 0-0 a5 15. Re1 b4 16. e4 Nxe4 17. Nxe4 Bxe4 18. Bxe4 dxe4 19. Ng5 bxc3 20. bxc3 e5 21. dxe5 Nxe5 22. Bxe5 Bxe5 23. Nxe4 Bg7 24. Qe3 Qd3 25. Rad1 Qxe3 26. Rxe3 Rd8 27. Ree1 Rab8 28. Kf1 f5 29. Nc5 Bxc3 30. Rxd8+ Rxd8 31. Rc1 Bb4 32. Na6 c3 33. Nxb4 axb4 34. a3 bxa3 35. Rxc3 a2 36. Rc1 Rb8 37. Ke2 Rb1 38. Rc8+ Kg7 39. Rc7+ Kh6 40. Rc6 a1Q 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "9"]
[White "Khamdamova, Afruza"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1784"]
[BlackElo "2019"]
[PlyCount "114"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. dxe5 Qa5+ 9. Bd2 Qxe5+ 10. Be2 Nbd7 11. Nxg6 hxg6 12. Bc3 Qd5 13. Bf3 Qxd1+ 14. Rxd1 Bc5 15. 0-0 0-0 16. Ne4 Nxe4 17. Bxe4 Rad8 18. Rfe1 Nf6 19. Bf3 Rd6 20. Rxd6 Bxd6 21. Rd1 Rd8 22. Kf1 Bc7 23. Rxd8+ Bxd8 24. Be5 Kf8 25. Bb8 Bb6 26. Ke2 Ke7 27. Bf4 Nd7 28. b4 a5 29. a3 axb4 30. axb4 f6 31. c4 Ne5 32. Bxe5 fxe5 33. c5 Bc7 34. Kd3 Kd7 35. Bg4+ Ke7 36. Bc8 b6 37. Bg4 bxc5 38. bxc5 Ba5 39. Kc4 Be1 40. f3 Bf2 41. Bc8 g5 42. Bb7 Kd7 43. Ba6 Bg1 44. h3 Bd4 45. Kb4 Kc7 46. Bd3 Bf2 47. Kc4 Be3 48. Be4 Bf2 49. Kb4 Be3 50. Kc4 Bg1 51. Bf5 Bd4 52. Be4 Be3 53. Bd3 Bf2 54. Bf5 Bd4 55. Be4 Bg1 56. Bf5 Bf2 57. Be4 Bg1 1/2-1/2

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "5"]
[White "Krzywda, Andrzej"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2123"]
[BlackElo "2019"]
[PlyCount "158"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 Qa5+ 6. Nc3 e6 7. Be3 Bd7 8. a3 Nxe5 9. Bxd7+ Nxd7 10. b4 Qd8 11. Nf3 Ngf6 12. 0-0 a5 13. Qe2 Be7 14. Bd4 0-0 15. h3 Qc8 16. Qe3 Re8 17. Rfe1 h6 18. Ne5 Nxe5 19. Bxe5 Nd7 20. Bd4 Bf6 21. Bxf6 Nxf6 22. Nb5 Qd7 23. Nd6 Reb8 24. Rad1 b6 25. c4 axb4 26. axb4 bxc5 27. Qxc5 dxc4 28. Nxc4 Qb5 29. Ne5 Qxc5 30. bxc5 Rc8 31. c6 Ra6 32. Rc1 Nd5 33. Red1 f6 34. Nf3 Raxc6 35. Rxc6 Rxc6 36. Nd4 Rd6 37. Nxe6 Rxe6 38. Rxd5 Kf7 39. Ra5 Re7 40. Kh2 Rb7 41. Kg3 Rb3+ 42. f3 Rb7 43. Ra6 g6 44. h4 Kg7 45. Kg4 h5+ 46. Kg3 Rc7 47. Re6 Rd7 48. Re4 Rf7 49. Ra4 Rc7 50. Ra8 Rb7 51. Ra6 Rc7 52. Kf4 Rd7 53. g4 Rd4+ 54. Kg3 Rd7 55. gxh5 gxh5 56. Kf4 Kg6 57. Ra5 Rc7 58. Kg3 Rc4 59. Ra8 Rc7 60. Rg8+ Kf5 61. Rh8 Rg7+ 62. Kh3 Kg6 63. Ra8 Re7 64. Ra5 Re5 65. Kg3 Rxa5 66. Kf4 Ra3 67. Kg3 Ra4 68. Kh3 Ra3 69. Kg3 Kf5 70. Kh3 Kf4 71. Kg2 Rxf3 72. Kh2 Kg4 73. Kg2 Ra3 74. Kh2 Kxh4 75. Kg1 Kg4 76. Kh1 f5 77. Kg1 Kg3 78. Kf1 Re3 79. Kg1 Re1# 0-1

[Event "Titled Tuesday intern op 23rd Nov"]
[Site "Chess.com INT"]
[Date "2021.11.23"]
[Round "6"]
[White "Miszler, Levente"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2225"]
[BlackElo "2019"]
[PlyCount "67"]
[EventDate "2021.11.23"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Qb6 6. Qb3 c4 7. Qc2 Bd6 8. Bg3 0-0 9. Nbd2 Nbd7 10. Be2 Qc7 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 Nf6 14. Qc2 b5 15. Bxd6 Qxd6 16. 0-0 Bb7 17. h3 Nd5 18. Rfe1 Nf4 19. Ng5 f5 20. Bf3 Bxf3 21. Nxf3 Nd3 22. Re3 f4 23. Re2 Rae8 24. Ne5 f3 25. Nxf3 Rxf3 26. gxf3 Qf4 27. Re3 Qg5+ 28. Kh2 Qf4+ 29. Kg2 Qg5+ 30. Kf1 Nf4 31. Qe4 Qg2+ 32. Ke1 Qg1+ 33. Kd2 Qxf2+ 34. Re2 1-0

[Event "NCA-chT final"]
[Site "Managua"]
[Date "2021.10.31"]
[Round "9.3"]
[White "Godoy Barbosa, Jaime"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1466"]
[BlackElo "2019"]
[PlyCount "58"]
[EventDate "2021.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Surnrise CC"]
[BlackTeam "Academia Ramirez de Arellano"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "NCA"]

1. Nf3 d5 2. c4 e6 3. cxd5 exd5 4. d4 Nf6 5. Nc3 Bd6 6. e3 Bf5 7. Be2 0-0 8. 0-0 c6 9. h3 Nbd7 10. Bd3 Bxd3 11. Qxd3 Qe7 12. b3 Rae8 13. Bb2 Ne4 14. Ne2 f5 15. g3 g5 16. Kg2 Rf6 17. Rg1 g4 18. Nd2 gxh3+ 19. Kf1 Rh6 20. Rh1 Ndf6 21. Nf4 Nxf2 22. Kxf2 Ng4+ 23. Kg1 h2+ 24. Kf1 Nxe3+ 25. Kf2 Ng4+ 26. Kf1 Bxf4 27. gxf4 Qh4 28. Qf3 Re3 29. Qg2 Rg3 0-1

[Event "NCA-chT final"]
[Site "Managua"]
[Date "2021.10.30"]
[Round "7.4"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Gutierrez, Oscar"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2019"]
[BlackElo "1903"]
[PlyCount "123"]
[EventDate "2021.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Academia Ramirez de Arellano"]
[BlackTeam "Clemente Guido"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. Bf4 d6 3. Nc3 g6 4. Qd2 h6 5. 0-0-0 g5 6. Bg3 Nh5 7. e4 Nxg3 8. hxg3 Bg7 9. Bc4 c6 10. Nge2 b5 11. Bb3 a5 12. a3 Qb6 13. f4 g4 14. Ba2 a4 15. Nb1 Na6 16. c3 Bd7 17. Rh5 Rc8 18. e5 d5 19. f5 e6 20. fxe6 Bxe6 21. Nf4 Nc7 22. Nxe6 Nxe6 23. Re1 Bf8 24. Qf2 Rc7 25. Rf5 Rh7 26. Nd2 Rb7 27. Ne4 Kd8 28. Nf6 Rg7 29. Nh5 Rh7 30. Rf6 Be7 31. Bb1 Rh8 32. Rxf7 Bg5+ 33. Rf4 Rf8 34. Rh1 Bxf4+ 35. gxf4 c5 36. Qh4+ Kc8 37. Qxg4 cxd4 38. Bf5 Rxf5 39. Qxf5 dxc3 40. bxc3 d4 41. Rh3 Rd7 42. Nf6 Rd8 43. Rd3 dxc3 44. Kc2 Qf2+ 45. Kxc3 Qe1+ 46. Kb2 Qe2+ 47. Kc3 b4+ 48. axb4 Qe1+ 49. Kc4 Qc1+ 50. Kb5 Rxd3 51. Qxe6+ Kb7 52. Nd5 Rxd5+ 53. Qxd5+ Kb8 54. Qc4 Qd2 55. Kxa4 Qxg2 56. e6 Qg7 57. f5 Qb7 58. Ka5 Qa8+ 59. Qa6 Qe4 60. Qd6+ Kb7 61. Qd7+ Kb8 62. e7 1-0

[Event "NCA-chT final"]
[Site "Managua"]
[Date "2021.10.23"]
[Round "4.3"]
[White "Berrios, Natanael"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1822"]
[BlackElo "2019"]
[PlyCount "140"]
[EventDate "2021.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Jose Raul Capablanca"]
[BlackTeam "Academia Ramirez de Arellano"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "NCA"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Ne2 Bg4 6. f3 Bh5 7. c3 Bg6 8. 0-0 Nc6 9. Re1 e6 10. Bf4 Be7 11. Bg3 0-0 12. Bxg6 hxg6 13. Nd2 b5 14. a3 a5 15. Nf4 b4 16. Nd3 Qb6 17. Nb3 Nd7 18. Kh1 bxa3 19. bxa3 a4 20. Nbc1 Rfc8 21. Ne2 Qa5 22. Nb4 Nb6 23. Qd3 Bf6 24. Bd6 Nc4 25. Nxc6 Rxc6 26. Bb4 Qa6 27. g3 Rac8 28. Rab1 Nd6 29. Qxa6 Rxa6 30. Bxd6 Rxd6 31. Rb4 Ra6 32. Rb7 Kf8 33. Reb1 Ke8 34. Rb8 Ra8 35. Rxc8+ Rxc8 36. Rb4 Ra8 37. c4 dxc4 38. Rxc4 Be7 39. Nc3 Bxa3 40. Rxa4 Rxa4 41. Nxa4 Kd7 42. Kg1 Kc6 43. Kf2 Kb5 44. Nc3+ Kc4 45. Ne4 f6 46. Ke2 Kxd4 47. Nf2 Bd6 48. Ne4 Be7 49. h3 f5 50. Nf2 Bd6 51. g4 Bg3 52. Nd3 Bd6 53. Nf2 e5 54. Nd3 e4 55. Nf2 Bg3 56. Nd1 Bf4 57. Nf2 Be3 58. Nd1 Bg1 59. Nb2 Ke5 60. fxe4 fxe4 61. Nc4+ Kf4 62. Nd6 Bd4 63. Nc4 g5 64. Nd6 g6 65. Nf7 Bc5 66. Nd8 Kg3 67. Ne6 Be7 68. Ke3 Kxh3 69. Kxe4 Kxg4 70. Nd4 Kh3 0-1

[Event "NCA-chT final"]
[Site "Managua"]
[Date "2021.10.17"]
[Round "3.3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Bolanos Garcia, Heidi Paola"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2019"]
[BlackElo "1275"]
[PlyCount "71"]
[EventDate "2021.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Academia Ramirez de Arellano"]
[BlackTeam "Universidad de Ingenieria (W)"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "NCA"]

1. Nf3 Nf6 2. d4 c5 3. e3 e6 4. Bd3 Nc6 5. 0-0 Be7 6. b3 0-0 7. Bb2 d5 8. Nbd2 b6 9. a3 Bb7 10. Qe2 cxd4 11. exd4 a5 12. Rfe1 Qc7 13. Rac1 Rac8 14. h4 h5 15. Ne5 g6 16. Bxg6 Nxe5 17. dxe5 fxg6 18. exf6 Bxf6 19. Qxe6+ Kg7 20. Qe7+ Qxe7 21. Rxe7+ Rf7 22. Bxf6+ Kxf6 23. Rxf7+ Kxf7 24. Nf3 Kf6 25. Nd4 Re8 26. f3 g5 27. hxg5+ Kxg5 28. Kf2 h4 29. Rd1 Ba6 30. Rd2 Kf4 31. Nc6 Bb7 32. Rd4+ Kg5 33. Rxd5+ Kf4 34. Rd6 Bxc6 35. Rxc6 Rb8 36. Rc4+ 1-0

[Event "NCA-chT final"]
[Site "Managua"]
[Date "2021.10.16"]
[Round "1.4"]
[White "Flores, Manuel"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1941"]
[BlackElo "2019"]
[PlyCount "50"]
[EventDate "2021.10.16"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "NCA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Jane Allen's Knights "]
[BlackTeam "Academia Ramirez de Arellano"]
[WhiteTeamCountry "NCA"]
[BlackTeamCountry "NCA"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Be7 6. e3 0-0 7. Bd3 c5 8. dxc5 bxc5 9. 0-0 Nc6 10. Rc1 h6 11. Bh4 Qb6 12. Qe2 Rfd8 13. Rfd1 Rac8 14. Bb1 d6 15. Rd2 Na5 16. b3 Qb4 17. Ne1 Ba8 18. Nb5 Nc6 19. Bxf6 Bxf6 20. Nxd6 Nd4 21. Rxd4 cxd4 22. Nxc8 Rxc8 23. exd4 Bxd4 24. Nf3 Bxf3 25. Qxf3 Qb6 1/2-1/2

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.07.04"]
[Round "7"]
[White "Munoz Molina, Kevin Wesly"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1310"]
[BlackElo "2004"]
[PlyCount "44"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d6 9. 0-0-0 Ng4 10. Bxg4 Bxg4 11. f3 Bd7 12. Kb1 Ne5 13. Qe2 Rc8 14. g4 Re8 15. h4 Nc4 16. Bc1 Qa5 17. h5 Na3+ 18. Ka1 Rxc3 19. bxc3 Rc8 20. Bxa3 Qxa3 21. Qe3 Be6 22. Nb3 Rxc3 0-1

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.07.04"]
[Round "8"]
[White "Rojas Laguna, Altieri Francisco"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1678"]
[BlackElo "2004"]
[PlyCount "66"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 d5 5. exd5 exd5 6. Be2 Nf6 7. 0-0 Bd6 8. Re1 0-0 9. Na3 Bg4 10. d4 cxd4 11. Nb5 dxc3 12. Nxc3 d4 13. Nb5 Bb4 14. Bd2 d3 15. Bf1 Bxf3 16. gxf3 Qa5 17. Bxb4 Nxb4 18. Na3 Qg5+ 19. Kh1 Rac8 20. Qb3 Nc2 21. Nxc2 dxc2 22. Rac1 Qd2 23. Qe3 Rfd8 24. Qxd2 Rxd2 25. Be2 Rcd8 26. Kg2 Kf8 27. Bb5 Nd5 28. Kg3 Nb4 29. Bc4 b5 30. a3 Nd3 31. Bxd3 R8xd3 32. Re5 Rb3 33. Rc5 Rxb2 0-1

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.07.03"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Alvarez Gutierrez, Patricia"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2004"]
[BlackElo "1637"]
[PlyCount "73"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 h6 5. c4 e6 6. cxd5 exd5 7. d4 Nc6 8. Nc3 Be6 9. b3 Bd6 10. dxc5 Bxc5 11. Bb2 0-0 12. Rc1 Qe7 13. Na4 Bd6 14. Nd4 Nxd4 15. Qxd4 b6 16. Rfd1 Rac8 17. h3 Rfd8 18. Rxc8 Rxc8 19. e4 Bc5 20. Nxc5 bxc5 21. Qe5 d4 22. f4 Nd7 23. Qh5 Nf6 24. Qf3 Qb7 25. Qd3 Qb6 26. Kh2 a5 27. f5 Bd7 28. e5 Bb5 29. Qd2 Nd7 30. Re1 Re8 31. Qf4 Bd3 32. e6 fxe6 33. Rxe6 Rxe6 34. Bd5 Nf8 35. fxe6 Nxe6 36. Qg4 Kf7 37. Qf3+ 1-0

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.07.03"]
[Round "6"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Espinoza Solano, Jose Nahum"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2004"]
[BlackElo "2114"]
[PlyCount "107"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. a3 h6 10. Bd2 Nd7 11. b4 axb4 12. axb4 f5 13. Qb3 Kh7 14. Rfc1 g5 15. b5 Nc5 16. Qc2 Ne7 17. Ne1 Kh8 18. Be3 Ne6 19. Nd5 f4 20. Nxe7 Qxe7 21. Bd2 Nd4 22. Qd1 Bg4 23. f3 Bd7 24. Nc2 fxg3 25. hxg3 Nf5 26. Be1 h5 27. e4 Nh6 28. Ne3 g4 29. Nd5 Qf7 30. f4 exf4 31. Nxf4 h4 32. d4 hxg3 33. Bxg3 Ra3 34. Ne2 Qf6 35. Rb3 Rxb3 36. Qxb3 Qg5 37. Rd1 Rf3 38. Rd3 Rf8 39. Qd1 b6 40. Qd2 Qxd2 41. Rxd2 Ra8 42. Nf4 Ra4 43. Bf1 Nf7 44. Nd5 Ng5 45. Rd1 Bxd4+ 46. Kh1 Nxe4 47. Rxd4 Nxg3+ 48. Kg2 Nxf1 49. Kxf1 Bxb5 50. Kf2 Rxc4 51. Rxc4 Bxc4 52. Nxc7 b5 53. Na6 Kg7 54. Kg3 0-1

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.06.27"]
[Round "3"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Granados Ortiz, Maria Jose"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2004"]
[BlackElo "1732"]
[PlyCount "69"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. Nd2 Nf6 5. c4 Bd6 6. Bxd6 Qxd6 7. Ngf3 0-0 8. Qb3 Qb6 9. Be2 Nbd7 10. c5 Qxb3 11. axb3 c6 12. 0-0 b6 13. b4 Rfb8 14. Ra2 b5 15. Rfa1 Rb7 16. h3 h6 17. Nb3 Rc7 18. Na5 Bc2 19. Nxc6 Rxc6 20. Rxa7 Rxa7 21. Rxa7 Rc8 22. Bxb5 Nf8 23. Ba6 Rb8 24. Rb7 Ra8 25. b5 Ne4 26. Ne5 f6 27. Nc6 Ba4 28. Ne7+ Kh7 29. f3 Ng5 30. c6 Nf7 31. c7 Nd6 32. Rb8 Rxa6 33. bxa6 Nd7 34. a7 Nxb8 35. cxb8Q 1-0

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.06.27"]
[Round "4"]
[White "Escobar, Edgar Antonio"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1977"]
[BlackElo "2004"]
[PlyCount "82"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. Be3 b6 9. a4 0-0 10. Nbd2 Qc7 11. Nc4 Be6 12. Nfd2 f5 13. f3 f4 14. Bf2 g5 15. a5 Ng6 16. c3 Rfd8 17. Qc2 b5 18. Na3 Bf8 19. Nb3 Bxb3 20. Qxb3+ Qf7 21. Qc2 Rd7 22. d4 Rad8 23. Rad1 b4 24. Nb1 b3 25. Qe2 cxd4 26. Qa6 c5 27. c4 Rb8 28. Qc6 Rc7 29. Qd5 Be7 30. Nd2 Rd8 31. Qxf7+ Kxf7 32. Ra1 Rb8 33. Kf1 Ke6 34. Ke2 Bd8 35. Ra3 Ne7 36. Nxb3 Kd6 37. Kd2 a6 38. Rb1 Rcb7 39. Kc2 Nc6 40. Be1 d3+ 41. Kc3 Rxb3+ 0-1

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.06.27"]
[Round "2"]
[White "Vanegas Lopez, Natanael Emanuel"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "1579"]
[BlackElo "2004"]
[PlyCount "75"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 0-0 7. Nf3 b6 8. Bf4 Bb7 9. e3 Nbd7 10. Be2 dxc4 11. Qxc4 Rc8 12. Rd1 Qe7 13. 0-0 h6 14. Ne5 Nxe5 15. Bxe5 Rfd8 16. b4 Bd5 17. Qc2 Bb7 18. Qb2 Nd7 19. Bg3 Qf6 20. Rd2 Qg6 21. Bd3 f5 22. Rc1 Nf6 23. Qb3 Re8 24. Rdc2 Nd5 25. Bc4 h5 26. h4 f4 27. Bd3 Qf6 28. exf4 Nxf4 29. Bf1 Nd5 30. Be5 Qxh4 31. Qg3 Qxg3 32. Bxg3 c6 33. b5 cxb5 34. Rxc8 Rxc8 35. Rxc8+ Bxc8 36. Bxb5 Kf7 37. Be2 g6 38. Bc4 0-1

[Event "NCA-ch U20"]
[Site "Managua"]
[Date "2021.06.26"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Garcia Montoya, Anderson Steven"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2004"]
[BlackElo "1265"]
[PlyCount "78"]
[EventDate "2021.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NCA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nd2 Bb7 5. Ngf3 d6 6. Bb5+ Nbd7 7. 0-0 Nh5 8. Bg5 Be7 9. Bxe7 Qxe7 10. Qe2 c6 11. Ba4 b5 12. Bb3 a5 13. a4 b4 14. Rac1 0-0 15. c3 bxc3 16. Rxc3 d5 17. Rfc1 Nhf6 18. Qd1 Rac8 19. Qc2 Rc7 20. Ne1 Rfc8 21. Nd3 Qd6 22. Nc5 Nxc5 23. Rxc5 Nd7 24. Rxa5 c5 25. Re1 cxd4 26. Qd3 dxe3 27. Qxe3 Rc1 28. Nf1 Rxe1 29. Qxe1 Nc5 30. Qb4 Ba6 31. h3 Qc7 32. Bd1 Nd3 33. Qd2 Nc5 34. Ng3 Qb6 35. b4 Nb7 36. Rxa6 Qxa6 37. a5 Nd6 38. Ba4 Nc4 39. Qd3 Qd6 1-0

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "3"]
[White "Budrewicz, Krzysztof"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2289"]
[BlackElo "1981"]
[PlyCount "79"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 0-0 8. 0-0 d5 9. cxd5 exd5 10. Rc1 Nbd7 11. Qf4 Rc8 12. Nc3 a6 13. b4 Ne4 14. Nxe4 dxe4 15. Nd2 Nf6 16. Nxe4 Bxe4 17. Bxe4 Re8 18. Bf3 Qe7 19. a3 h6 20. h4 c5 21. bxc5 bxc5 22. d5 Red8 23. e4 Nd7 24. Rc3 Ne5 25. Rac1 c4 26. Be2 Ng6 27. Qe3 Ne5 28. f4 Ng6 29. h5 Nf8 30. Bxc4 Nd7 31. Bf1 Rxc3 32. Rxc3 Qf6 33. Bg2 Qe7 34. e5 Nb8 35. d6 Qd7 36. Qb6 Qg4 37. Qxd8+ Kh7 38. Be4+ g6 39. hxg6+ Kg7 40. Qf6+ 1-0

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "1"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Garcia Garcia, Alejandro"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1981"]
[BlackElo "2247"]
[PlyCount "119"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 h6 6. 0-0-0 g5 7. Bg3 Nh5 8. f3 Nc6 9. Bf2 e5 10. Nge2 exd4 11. Nxd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qf6 14. Nd5 Qxd4 15. Rxd4 Kd8 16. Bc4 Be6 17. Rhd1 c6 18. Ne3 Bxc4 19. Nxc4 Kc7 20. Nxd6 f6 21. Nf5 Nf4 22. Rd7+ Kb6 23. g3 Ne6 24. R7d6 Rae8 25. b3 h5 26. Kb2 h4 27. a4 hxg3 28. hxg3 Rh2 29. Rd7 a5 30. Rxb7+ Kxb7 31. Nd6+ Kb6 32. Nxe8 Rf2 33. Rd3 Nc5 34. Rc3 Nd7 35. Nd6 Ne5 36. Nc4+ Nxc4+ 37. bxc4 Kc5 38. Kb3 Rg2 39. g4 Rg1 40. Rd3 Rb1+ 41. Ka2 Rb4 42. Ka3 Rxc4 43. c3 Kb6 44. Kb3 Rc5 45. Rd6 Re5 46. Rxf6 Re7 47. Rf5 Re8 48. Rxg5 Rf8 49. Rf5 Rg8 50. e5 c5 51. Kc4 Kc7 52. Rf6 Re8 53. Kxc5 Rxe5+ 54. Kd4 Re2 55. g5 Rd2+ 56. Ke3 Rb2 57. g6 Rg2 58. Rf7+ Kd8 59. g7 Ke8 60. Rf8+ 1-0

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "6"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Jaskolka, Tomasz"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1981"]
[BlackElo "2220"]
[PlyCount "64"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nd2 Bg7 5. Ngf3 c5 6. h3 Nc6 7. c3 0-0 8. Be2 Re8 9. 0-0 cxd4 10. exd4 Ne4 11. Re1 a6 12. a4 b6 13. Bf1 Bb7 14. Nxe4 dxe4 15. Rxe4 Rc8 16. Re1 e6 17. Bg5 Qd5 18. Bh4 Na5 19. Ne5 Nc6 20. Nc4 Nxd4 21. Nxb6 Qc5 22. Nxc8 Nf5 23. Ne7+ Nxe7 24. Bxe7 Qxe7 25. Qb3 Bd5 26. Qb6 Qg5 27. Qxa6 Be5 28. Qb5 Rb8 29. Qe2 Bd6 30. c4 Bc6 31. Rad1 Bc7 32. Qc2 Qf4 0-1

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "2"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Pinheiro, Iung Alicio"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1981"]
[BlackElo "2320"]
[PlyCount "50"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nc3 Nc6 5. Nb5 e5 6. dxe5 a6 7. exf6 axb5 8. Nf3 Qxf6 9. Bxb5 Qxb2 10. Rb1 Qc3+ 11. Qd2 Qxd2+ 12. Kxd2 Bd7 13. a4 Be7 14. Ne5 Nxe5 15. Bxe5 0-0-0 16. Bxg7 Rhg8 17. Be5 Bf5 18. Bd3 Be6 19. Bg3 h5 20. h4 c4 21. Be2 d4 22. exd4 Rxd4+ 23. Kc3 Bf6 24. Kb4 c3+ 25. Ka3 Be7+ 0-1

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "5"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Selbes, Tarik"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1981"]
[BlackElo "2235"]
[PlyCount "66"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 0-0 5. Qd2 d6 6. 0-0-0 c5 7. dxc5 Qa5 8. cxd6 exd6 9. Bxd6 Re8 10. f3 Nc6 11. Bc4 Be6 12. Bxe6 Rxe6 13. Bf4 Nh5 14. Be3 Rd8 15. Qe2 Rxd1+ 16. Nxd1 Qxa2 17. c3 Na5 18. Nh3 Nc4 19. Qc2 Nxe3 20. Nxe3 Bh6 21. Re1 Rd6 22. g3 Qa1+ 23. Qb1 Bxe3+ 24. Kc2 Rd2+ 25. Kb3 Qa5 26. Rxe3 Qb6+ 27. Ka2 Qxe3 28. g4 Nf4 29. Nxf4 Qxf4 30. Qf1 Qe5 31. Qc4 Qa5+ 32. Kb1 Qb6 33. b4 Qg1+ 0-1

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "11"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Stojanovski, Sandi"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1981"]
[BlackElo "2232"]
[PlyCount "72"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 Bd6 4. Bg3 Bxg3 5. hxg3 d6 6. Nd2 e5 7. dxe5 dxe5 8. Nc4 Qxd1+ 9. Rxd1 Nc6 10. Nf3 Bg4 11. Be2 e4 12. Nd4 Nxd4 13. Rxd4 Be6 14. a4 Ke7 15. 0-0 Rhd8 16. Rfd1 Rxd4 17. Rxd4 Rd8 18. c3 c5 19. Rxd8 Kxd8 20. f3 Kc7 21. Kf2 Nd7 22. Nd2 exf3 23. gxf3 h5 24. f4 g6 25. e4 a5 26. Ke3 Nb6 27. Bb5 Nc8 28. Nf3 Nd6 29. Ng5 Nxb5 30. axb5 Bc4 31. e5 Kb6 32. Ne4 Kxb5 33. Nd6+ Ka4 34. Nxc4 Kb3 35. Nxa5+ Kxb2 36. Nxb7 c4 1-0

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "8"]
[White "Castillo Sevilla, Ian Eiffel"]
[Black "Zhurbinsky, David J"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1981"]
[BlackElo "1823"]
[PlyCount "48"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 c5 5. Ngf3 Nc6 6. c3 Bd6 7. Bxd6 Qxd6 8. Bb5 0-0 9. Bxc6 Qxc6 10. Ne5 Qc7 11. 0-0 b6 12. f4 Bb7 13. Qf3 b5 14. f5 exf5 15. Qxf5 Rae8 16. Rae1 a5 17. Nd3 Bc8 18. Qg5 Ng4 19. Rf4 c4 20. Nc5 h6 21. Qxd5 Qxf4 22. exf4 Rxe1+ 23. Nf1 Rxf1+ 24. Kxf1 Ne3+ 0-1

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "10"]
[White "Cramling Bellon, Anna"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "0-1"]
[ECO "E35"]
[WhiteElo "2035"]
[BlackElo "1981"]
[PlyCount "66"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 0-0 7. e3 h6 8. Bh4 c6 9. Nf3 Bg4 10. Ne5 Be6 11. Bd3 Nbd7 12. 0-0 Be7 13. f4 a5 14. f5 Nxe5 15. dxe5 Bd7 16. exf6 gxf6 17. Qf2 Bd6 18. e4 b6 19. Kh1 d4 20. Ne2 c5 21. Nf4 b5 22. Nh5 Be5 23. Qe2 Kh7 24. Rf3 c4 25. Bb1 d3 26. Qd2 Re8 27. Rh3 Bc6 28. Ng3 Rg8 29. Qd1 Qd4 30. Qh5 Qe3 31. Qxh6+ Qxh6 32. Bxf6 Qxh3 33. gxh3 Bxf6 0-1

[Event "Titled Tuesday intern op 09th Mar"]
[Site "Chess.com INT"]
[Date "2021.03.09"]
[Round "4"]
[White "Hanley, Craig"]
[Black "Castillo Sevilla, Ian Eiffel"]
[Result "1-0"]
[ECO "E00"]
[WhiteElo "2447"]
[BlackElo "1981"]
[PlyCount "71"]
[EventDate "2021.03.09"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 0-0 6. Bg2 d5 7. cxd5 exd5 8. Nc3 c6 9. Nf3 Bg4 10. h3 Bxf3 11. Bxf3 Nbd7 12. 0-0 Re8 13. Qc2 Qb6 14. Rad1 g6 15. e3 Re7 16. a3 h5 17. Kg2 Rae8 18. b4 Ne4 19. Bxe4 dxe4 20. d5 Nf6 21. Na4 Qb5 22. dxc6 bxc6 23. Rd6 Re6 24. Rfd1 Nd5 25. Rxe6 Rxe6 26. Nc5 Re7 27. Nxe4 a5 28. Nd6 Qa6 29. b5 Nxe3+ 30. fxe3 cxb5 31. e4 b4 32. axb4 axb4 33. Qd3 Qa2+ 34. Rd2 Qe6 35. Qd5 Qf6 36. Rf2 1-0

