[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Alarcon Bahamondes, Roberto"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2425"]
[BlackElo "2335"]
[PlyCount "71"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h3 h4 7. N3e2 Bf5 8. Nf3 c5 9. c3 e6 10. Be3 Be4 11. dxc5 Bxf3 12. gxf3 Qxd1+ 13. Rxd1 Nd5 14. Bd4 a5 15. f4 Nd7 16. Bg2 Rc8 17. Bxd5 exd5 18. b4 Rh6 19. Rg1 axb4 20. cxb4 Rg6 21. Rxg6 fxg6 22. Kd2 Kf7 23. Nc3 Nf6 24. f3 Nh5 25. Be5 d4 26. Nb5 Ra8 27. a3 Be7 28. Kd3 Bf6 29. Kxd4 Nxf4 30. Nd6+ Ke6 31. Bxf6 gxf6 32. Nxb7 Rxa3 33. c6 Ne2+ 34. Kc5 Rc3+ 35. Kb6 Nf4 36. Nc5+ 1-0

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Collins, Adam"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "2425"]
[BlackElo "2189"]
[PlyCount "110"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. b3 dxc4 6. bxc4 c5 7. Be2 Nc6 8. 0-0 0-0 9. a4 b6 10. d3 Bb7 11. Bb2 Rc8 12. Qb3 Qc7 13. Rfd1 Rfd8 14. h3 h6 15. Rac1 Qb8 16. Qa2 Nb4 17. Qb1 Bc6 18. Ne1 a5 19. Nb5 Qb7 20. Bc3 Ne8 21. Rd2 Nd6 22. Rcd1 Nxb5 23. cxb5 Be8 24. Qb2 Bf8 25. Bf3 Qc7 26. Nc2 f6 27. Na1 Bg6 28. Be2 e5 29. Nb3 Rd7 30. Bxb4 cxb4 31. Bg4 f5 32. Bf3 Rcd8 33. Bc6 Rd6 34. d4 exd4 35. Nxd4 Be7 36. Qb3+ Bf7 37. Qb1 g6 38. Bf3 Bf6 39. Rc1 Qd7 40. Rc6 Bxd4 41. Rxd6 Qxd6 42. Rxd4 Qe7 43. Qc1 Rxd4 44. exd4 b3 45. d5 Qb4 46. Qb2 Qxa4 47. d6 Qxb5 48. Be2 Qc6 49. Qe5 b2 50. Qxb2 Qxd6 51. Bf3 a4 52. Qc1 Kg7 53. Qc3+ Qf6 54. Qc7 a3 55. Qa7 a2 0-1

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2425"]
[BlackElo "2704"]
[PlyCount "163"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 0-0 10. Bd3 c5 11. Bb2 Nd7 12. 0-0 Rc8 13. Qe2 Qc7 14. Rad1 Nf6 15. Rfe1 Rfd8 16. h3 b5 17. Bb1 a6 18. d5 c4 19. dxe6 fxe6 20. e5 Bxf3 21. Rxd8+ Bxd8 22. Qxf3 Nd5 23. Bc1 g6 24. Be4 Qf7 25. Qg3 Be7 26. Bxd5 exd5 27. e6 Qf5 28. Qe3 Bc5 29. Qg3 Re8 30. Bh6 Rxe6 31. Qb8+ Kf7 32. Qc7+ Re7 33. Rxe7+ Bxe7 34. Be3 Qe6 35. Bc5 Ke8 36. Bxe7 Qxe7 37. Qc8+ Kf7 38. Qxa6 Qd7 39. Qb6 d4 40. cxd4 Qd5 41. Qc7+ Ke6 42. Qf4 Qf5 43. Qe3+ Kd5 44. f3 Qf6 45. Qe4+ Kd6 46. Kf2 Qf5 47. Ke2 Qg5 48. g4 Qc1 49. Qe5+ Kd7 50. Qc5 Kd8 51. Qb6+ Kc8 52. Qa6+ Kd8 53. Qa5+ Ke7 54. Qb4+ Ke6 55. Qxb5 Qc2+ 56. Ke3 Qd3+ 57. Kf2 Qxd4+ 58. Kg2 c3 59. Qe2+ Kd5 60. Qb5+ Kd6 61. Qa6+ Kc7 62. Qa5+ Kc6 63. Qa6+ Kc5 64. Qa5+ Kc4 65. Qa4+ Kd3 66. Qd1+ Ke3 67. Qe1+ Kf4 68. Qg3+ Kg5 69. f4+ Kf6 70. g5+ Kf7 71. Qf3 Qd2+ 72. Kg3 c2 73. Qb7+ Ke6 74. Qc6+ Kf5 75. Qb5+ Ke4 76. Qc4+ Ke3 77. Qb3+ Ke2 78. Qf3+ Ke1 79. Qh1+ Ke2 80. Qf3+ Ke1 81. Qh1+ Ke2 82. Qf3+ 1/2-1/2

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Jarocka, Liwia"]
[Result "1/2-1/2"]
[ECO "E02"]
[WhiteElo "2425"]
[BlackElo "2199"]
[PlyCount "84"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 Bd6 7. 0-0 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Nbd2 c5 11. e4 cxd4 12. Nxd4 Rc8 13. Qd1 Qb6 14. N4b3 0-0 15. Qe2 e5 16. Rd1 Rfd8 17. Nf1 Nc5 18. Be3 Be7 19. Rxd8+ Qxd8 20. Rd1 Qf8 21. Nxc5 Bxc5 22. Bg5 Be7 23. Ne3 h6 24. Bxf6 Bxf6 25. Nf5 Rd8 26. Rc1 Bc8 27. Rc6 Bxf5 28. exf5 Rc8 29. Rxa6 b4 30. Bd5 Re8 31. Qe4 Qc5 32. Kg2 Qd4 33. b3 Rd8 34. Bc6 Qc3 35. Ra7 Rd4 36. Qf3 Rd3 37. Qe4 Rd4 38. Ra8+ Kh7 39. Qf3 Rd3 40. Qe4 Rd4 41. Qf3 Rd3 42. Qe4 Rd4 1/2-1/2

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "7"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Mkrtchyan, Mikayel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2425"]
[BlackElo "2071"]
[PlyCount "65"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 e6 2. e5 d6 3. exd6 Bxd6 4. d4 Nf6 5. Nf3 b6 6. Bd3 Bb7 7. 0-0 Nbd7 8. Nbd2 0-0 9. b3 c5 10. Bb2 cxd4 11. Nxd4 Nc5 12. Bc4 a6 13. N2f3 Qc7 14. a4 Rad8 15. Qe2 Rfe8 16. h3 Nce4 17. Bxa6 Bxa6 18. Qxa6 e5 19. Nf5 Qxc2 20. Nxd6 Rxd6 21. Bxe5 Rde6 22. Nd4 Qb2 23. Nxe6 Qxe5 24. a5 Rxe6 25. axb6 Re8 26. b7 Nxf2 27. Rxf2 Ne4 28. Qa8 Nd6 29. Rd1 Ne4 30. Rd8 Nf6 31. Rxe8+ Nxe8 32. b8Q Qe1+ 33. Rf1 1-0

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Suder, Jakub"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2425"]
[BlackElo "2333"]
[PlyCount "69"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Be7 5. b3 0-0 6. Bb2 a5 7. Qc2 Na6 8. a3 Nc5 9. Be2 b6 10. 0-0 Bb7 11. Rfd1 Nce4 12. d3 Nxc3 13. Qxc3 Re8 14. Rac1 c6 15. h3 Rc8 16. Qc2 Nd7 17. d4 Nf6 18. Bd3 Qc7 19. Qe2 Qb8 20. Rc2 Qa8 21. Rdc1 Nd7 22. Nd2 f5 23. cxd5 cxd5 24. Bb5 Red8 25. Nf3 Bf6 26. Rxc8 Bxc8 27. Rc7 Qb8 28. Qc2 Nf8 29. Ne5 Bxe5 30. dxe5 Bd7 31. Bxd7 Rxd7 32. Rc6 Qb7 33. Bd4 b5 34. Qc5 b4 35. a4 1-0

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "5"]
[White "Niemann, Hans Moke"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2675"]
[BlackElo "2425"]
[PlyCount "91"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 Nf6 5. e5 Nd5 6. g3 d6 7. exd6 Bxd6 8. Bxg7 Rg8 9. Bb2 b6 10. Bg2 Bb7 11. 0-0 Qc7 12. c4 Nde7 13. Nc3 a6 14. d4 cxd4 15. Nxd4 Nxd4 16. Qxd4 Bc5 17. Qf6 Rg6 18. Qh8+ Rg8 19. Qxh7 0-0-0 20. Qxf7 Bxg2 21. Qxe6+ Kb8 22. Kxg2 Ng6 23. Nd5 Qh7 24. Qh3 Qf7 25. Rae1 Rxd5 26. Bc1 Rf5 27. Re2 Rh8 28. Qg4 Rg8 29. Qe4 Ka7 30. f4 Rh5 31. f5 Nh4+ 32. Kh1 Rxf5 33. Rxf5 Nxf5 34. Bf4 Nd4 35. Re3 a5 36. a3 Qd7 37. Rd3 Re8 38. Qd5 Re1+ 39. Kg2 Re2+ 40. Kh1 Qh7 41. h4 Re7 42. Re3 Qb1+ 43. Kg2 Qc2+ 44. Kh3 Rf7 45. Qxf7+ Ka6 46. Re8 1-0

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "8"]
[White "Rasulov, Vugar Ural Oglu"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2538"]
[BlackElo "2425"]
[PlyCount "137"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. a3 c6 2. Nf3 d5 3. b4 Bg4 4. Bb2 Nd7 5. e3 Ngf6 6. Be2 e6 7. h3 Bh5 8. d4 Bd6 9. c4 Bxf3 10. Bxf3 0-0 11. 0-0 Qe7 12. Qb3 Rfe8 13. Nc3 Rad8 14. Rfd1 Bb8 15. b5 dxc4 16. Qxc4 cxb5 17. Qxb5 b6 18. a4 e5 19. Ba3 Bd6 20. Bxd6 Qxd6 21. a5 g6 22. axb6 axb6 23. Qc6 Re6 24. Qxd6 Rxd6 25. Nb5 Re6 26. d5 Ree8 27. Nc7 Rf8 28. d6 e4 29. Be2 Ne5 30. Bb5 Rb8 31. Nd5 Kg7 32. Nxf6 Kxf6 33. Ra4 Rfd8 34. Rxe4 Rbc8 35. Rd5 Nd7 36. Re7 Nc5 37. f3 Ne6 38. Rb7 Rc1+ 39. Kf2 Rc2+ 40. Kg3 Rc5 41. Rxc5 bxc5 42. Rb6 Ke5 43. Bc4 g5 44. Kg4 f5+ 45. Kh5 Rxd6 46. Rxd6 Kxd6 47. Kh6 Ke5 48. Kxh7 f4 49. e4 Kf6 50. Kh6 Nd4 51. e5+ Kf5 52. Bd3+ Kxe5 53. Kxg5 Ne6+ 54. Kg6 Kd4 55. Bf5 Ke5 56. Bd3 Kd4 57. Bb1 Ke3 58. h4 Kf2 59. Kf5 Nd4+ 60. Kxf4 Ne2+ 61. Kg4 Nc3 62. Bc2 Nd5 63. Kg5 Ne3 64. Bb1 Kxg2 65. h5 Kxf3 66. h6 Nc4 67. h7 Ne5 68. Kf6 Ng4+ 69. Ke6 1-0

[Event "Titled Tuesday intern op 27th Feb Late"]
[Site "Chess.com INT"]
[Date "2024.02.27"]
[Round "2"]
[White "Silva Lucena, Cristian"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "2340"]
[BlackElo "2425"]
[PlyCount "104"]
[EventDate "2024.02.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB10_2024"]
[SourceDate "2024.03.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd6 6. d4 Nf6 7. 0-0 0-0 8. Na3 a6 9. Bd3 Re8 10. Nc4 b5 11. Nxd6 cxd6 12. d5 Ne7 13. a4 bxa4 14. Rxa4 Ng6 15. Ba3 Qc7 16. c4 a5 17. Qd2 Nf4 18. Ra1 Nxd3 19. Qxd3 Ba6 20. Nh4 g6 21. Rc1 Rec8 22. Qd2 Nxe4 23. Qh6 Qd8 24. c5 Nxc5 25. Nf5 Qf6 26. Rh4 Qxf5 27. Qxh7+ Kf8 28. Rh3 Be2 29. Re3 Bh5 30. h3 Ke7 31. g4 Qg5 32. Rf3 Rf8 33. Re1 Bxg4 34. hxg4 Qxg4+ 35. Rg3 Qf5 36. Qh4+ Qf6 37. Qc4 Rfc8 38. Bc1 Qf5 39. Qh4+ f6 40. Qh7+ Kd8 41. Rxg6 Kc7 42. Rg7 Qxh7 43. Rxh7 Rh8 44. Rf7 Rag8+ 45. Kf1 Rh1+ 46. Ke2 Rxe1+ 47. Kxe1 Nd3+ 48. Kd2 Nxc1 49. Kxc1 Rg4 50. Rxf6 Rd4 51. f4 Rxf4 52. Rh6 Rd4 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.19"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Sanchez, Sebastian Felipe"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2441"]
[BlackElo "2406"]
[PlyCount "58"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Qa5+ 10. Bd2 Qd8 11. Bg5 Qa5+ 12. Bd2 Qd8 13. Bg5 Qa5+ 14. Bd2 Qd8 15. Bg5 Be7 16. Bxf6 Bxf6 17. c3 Ne7 18. Nxf6+ gxf6 19. Nc2 Bb7 20. Bd3 d5 21. Qe2 f5 22. exf5 e4 23. f6 Nf5 24. f3 Qxf6 25. 0-0 Qb6+ 26. Kh1 Qh6 27. Kg1 Qb6+ 28. Kh1 Qh6 29. Kg1 Qb6+ 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Miranda Mesa, Elier"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2441"]
[BlackElo "2495"]
[PlyCount "78"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. g3 a6 11. Rc1 dxc4 12. Bxc4 c5 13. Be2 Nc6 14. dxc5 Rd8 15. Na4 Nd7 16. Nxg6 hxg6 17. f4 g5 18. Qc4 gxf4 19. exf4 Nf6 20. Bf3 Rd4 21. Qc2 Nd5 22. a3 g5 23. Nc3 gxf4 24. Ne2 Qe5 25. Bc3 Kf8 26. Bxd4 Nxd4 27. Qe4 Nxf3+ 28. Qxf3 fxg3 29. hxg3 Rxh1+ 30. Qxh1 Qxb2 31. Qh5 Ke8 32. c6 bxc6 33. Rxc6 Bxa3 34. Rxe6+ Be7 35. Re5 Nf6 36. Rxe7+ Kxe7 37. Qc5+ Ke8 38. Qc8+ Ke7 39. Qc5+ Ke8 1/2-1/2

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.18"]
[Round "7"]
[White "Tristan, Leonardo"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2513"]
[BlackElo "2441"]
[PlyCount "47"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bf4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 a6 7. a4 g6 8. h3 Bg7 9. e3 0-0 10. Nf3 Qe7 11. Nd2 Nbd7 12. Be2 Rb8 13. 0-0 Ne8 14. a5 Nc7 15. Bh2 b5 16. axb6 Nxb6 17. Nde4 Be5 18. Nxc5 Bxh2+ 19. Kxh2 Nbxd5 20. Nxa6 Bxa6 21. Bxa6 Qe5+ 22. Kg1 Rxb2 23. Nxd5 Qxd5 24. Qc1 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.17"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Mendez Machado, Andre"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2441"]
[BlackElo "2163"]
[PlyCount "77"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. a5 Ba7 11. Be3 Bg4 12. dxe5 Bxf3 13. Qxf3 Nxe5 14. Qe2 Bxe3 15. Qxe3 0-0 16. Nd2 Re8 17. Rfe1 c5 18. Bc2 Qc7 19. f4 Nc6 20. Nb3 Re7 21. e5 Rbe8 22. Qf2 dxe5 23. Nxc5 exf4 24. Rxe7 Qxe7 25. h3 f3 26. Nxa6 fxg2 27. Nc5 Ne5 28. b4 Nd5 29. Be4 Nxc3 30. Bxg2 Ng6 31. a6 Qe5 32. Kf1 Ne4 33. Re1 f5 34. a7 Nxf2 35. Rxe5 Nxe5 36. Kxf2 Kf8 37. Na6 Nd3+ 38. Kg1 Ke7 39. Nb8 1-0

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.17"]
[Round "5"]
[White "Miranda Rodriguez, Tania"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2110"]
[BlackElo "2441"]
[PlyCount "54"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. 0-0 Nc6 8. Nxc6 Bxc6 9. Re1 Ne7 10. Bd2 Ng6 11. a4 bxa4 12. Nxa4 Bd6 13. Qg4 Qc7 14. h3 0-0 15. Qg5 f5 16. exf5 exf5 17. Bc4+ Kh8 18. Bc3 Be4 19. Rxe4 fxe4 20. Bd5 Rae8 21. Re1 Bh2+ 22. Kf1 Bf4 23. Qh5 e3 24. Re2 Bg3 25. f3 Bf2 26. Qg4 Qh2 27. Rxf2 Qh1+ 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Kaufman, Raymond"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2441"]
[BlackElo "2153"]
[PlyCount "46"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 cxd4 9. Nxd4 Bxc3+ 10. bxc3 Nd7 11. Bf4 Qh4 12. g3 Qh5 13. h4 f6 14. cxd5 exd5 15. Be2 Qe8 16. e6 Ne5 17. c4 Bxe6 18. Nxe6 Qxe6 19. cxd5 Qxd5 20. f3 Qd4 21. Bxe5 Qf2+ 22. Kd1 Rfd8+ 23. Kc1 Qe3+ 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.16"]
[Round "3"]
[White "Obregon Garcia, Roxangel"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2108"]
[BlackElo "2441"]
[PlyCount "74"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 h5 7. h3 e5 8. Nb3 h4 9. Bg5 Be6 10. Qf3 Nbd7 11. 0-0-0 Qc7 12. g4 Rc8 13. Kb1 b5 14. Ka1 Be7 15. Bxf6 Nxf6 16. g5 Nh5 17. Nd5 Bxd5 18. exd5 Nf4 19. Rg4 0-0 20. Rxf4 exf4 21. Bd3 g6 22. Qxf4 Qd8 23. Qg4 Re8 24. Nd4 Bxg5 25. f4 Bf6 26. Nc6 Qc7 27. f5 Qd7 28. Qf3 g5 29. Rg1 Kg7 30. Qh5 Rh8 31. Qg4 Rxc6 32. dxc6 Qxc6 33. Re1 Re8 34. Rxe8 Qh1+ 35. Bf1 Qxf1+ 36. Re1 Qxe1+ 37. Qd1 Qxd1# 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.15"]
[Round "2"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Blanco Amaro, Guillermo J"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2441"]
[BlackElo "1971"]
[PlyCount "82"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. g4 Ne4 9. Bxe7 Qxe7 10. h4 Bb7 11. g5 Nd7 12. gxh6 gxh6 13. Nxe4 dxe4 14. Nd2 c5 15. Nxe4 Bxe4 16. Qg4+ Bg6 17. h5 Nf6 18. Qg2 Nxh5 19. Rxh5 Kh7 20. Rh1 cxd4 21. 0-0-0 dxe3 22. Qh2 h5 23. Bd3 Qg5 24. f4 Qa5 25. Qe2 Kg7 26. Qxe3 Rad8 27. Rhg1 Qc5 28. Qe4 Kf6 29. Rxg6+ fxg6 30. Qxg6+ Ke7 31. Re1 Kd7 32. Rxe6 Rg8 33. Qe4 Qg1+ 34. Kc2 Qg2+ 35. Kc3 Qxe4 36. Rxe4 Rge8 37. Kd4 Rxe4+ 38. Bxe4 Ke6+ 39. Ke3 h4 40. b4 h3 41. Kf2 Rd4 0-1

[Event "Carlos Torre Memorial op 33rd"]
[Site "Merida"]
[Date "2023.12.15"]
[Round "1"]
[White "Gutierrez Espinosa, Karen"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2063"]
[BlackElo "2441"]
[PlyCount "102"]
[EventDate "2023.12.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CB52_2023"]
[SourceDate "2023.12.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.27"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Be2 Bg4 6. h3 Bxf3 7. Bxf3 e6 8. 0-0 Nf6 9. c3 Bd6 10. Re1 h6 11. Nd2 0-0 12. Nf1 b5 13. a3 a5 14. Qd3 Qb6 15. Be3 Rfe8 16. a4 bxa4 17. Rxa4 Rab8 18. Ra2 Qc7 19. Bd1 e5 20. dxe5 Nxe5 21. Qf5 Nc4 22. Re2 Nxe3 23. Nxe3 Bc5 24. Ng4 Ne4 25. Bc2 g6 26. Qxd5 Nxf2 27. Nf6+ Kg7 28. Nxe8+ Rxe8 29. Rxe8 Ne4+ 30. Qxc5 Qxc5+ 31. Kh1 Ng3+ 32. Kh2 Nf1+ 33. Kh1 Qf2 34. Ba4 h5 35. Ra1 Ng3+ 36. Kh2 Qxb2 37. Rae1 Qxc3 38. R8e7 Nf5 39. R7e4 h4 40. Bd1 Nd6 41. Re7 Kh6 42. Bf3 a4 43. Rd1 Qb4 44. Rd7 Qf4+ 45. Kg1 Nb5 46. R1d5 Nc3 47. Rd4 Qe3+ 48. Kh2 Qe5+ 49. Kh1 Qe1+ 50. Kh2 a3 51. Rd8 a2 0-1

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.23"]
[Round "7.4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Gaona Ballesteros, Andres"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2449"]
[BlackElo "1582"]
[PlyCount "63"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Risaralda"]
[BlackTeam "Boyaca"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Bd2 0-0 7. e3 Re8 8. a3 Bxc3 9. Bxc3 Ne4 10. Qc2 Qe7 11. Rd1 a6 12. Bd3 f5 13. 0-0 Bd7 14. b4 Nd6 15. Bb2 b5 16. cxd5 exd5 17. Qc5 Nc4 18. Qxd5+ Be6 19. Bxc4 Bxd5 20. Bxd5+ Kh8 21. Bxc6 Rad8 22. Bxe8 Rxe8 23. d5 h6 24. Rc1 Qd6 25. Rfd1 Re4 26. Rc6 Qd8 27. Rxh6+ Kg8 28. Rg6 Rg4 29. Rxa6 Qe8 30. h3 Rc4 31. d6 cxd6 32. Raxd6 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.4"]
[White "Lopez Rayo, Santiago"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2301"]
[BlackElo "2449"]
[PlyCount "73"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Valle"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Be3 Qc7 7. Qf3 Nf6 8. 0-0-0 Bb4 9. Nde2 0-0 10. g4 d5 11. exd5 Nxd5 12. Nxd5 exd5 13. Bf4 Qb6 14. Be3 Qc7 15. Bf4 Qb6 16. a3 Bc5 17. Nc3 Nd4 18. Qg3 Qg6 19. Bd3 Qxg4 20. b4 Be7 21. Nxd5 Bh4 22. Qe3 Nf5 23. Qe4 Qh5 24. Rhg1 f6 25. Ne7+ Nxe7 26. Qxe7 Bg4 27. f3 f5 28. Qe6+ Kh8 29. fxg4 fxg4 30. Be3 Bf6 31. Qxg4 Qe5 32. Qh3 h5 33. Rg5 Qb2+ 34. Kd2 Qc3+ 35. Ke2 Bxg5 36. Qxh5+ Bh6 37. Bxh6 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.3"]
[White "Ortiz Rodriguez, Yeferson David"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1489"]
[BlackElo "2449"]
[PlyCount "97"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Quindio"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 Qa5+ 12. Bd2 Qb6 13. Qb3 e6 14. Qxb6 axb6 15. Ng1 Bd6 16. N1e2 0-0 17. Bf4 Be7 18. 0-0 Ra5 19. Bd2 Ra6 20. Rfe1 b5 21. a3 Nb6 22. Bb4 Bxb4 23. axb4 Rfa8 24. Rxa6 Rxa6 25. Nf4 Nc4 26. Nd3 b6 27. b3 Nd6 28. Ne5 Ra7 29. c4 bxc4 30. bxc4 Rc7 31. Ra1 Nd7 32. Ra8+ Kh7 33. c5 bxc5 34. bxc5 Nb5 35. Nxf7 g6 36. hxg6+ Kxg6 37. Ne5+ Nxe5 38. dxe5 Nd4 39. Rg8+ Kf7 40. Rd8 Nb3 41. Ne4 Ra7 42. Rd3 Ra1+ 43. Kh2 Na5 44. Rf3+ Ke7 45. Rf6 Nc4 46. f4 Ne3 47. Rg6 Kf7 48. Rf6+ Ke7 49. Rg6 1/2-1/2

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Torres, Jorge Emilio"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2449"]
[BlackElo "1981"]
[PlyCount "81"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Risaralda"]
[BlackTeam "Caldas"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. e3 Nf6 5. Nc3 dxc4 6. a4 c5 7. Bxc4 Be7 8. 0-0 0-0 9. Qe2 Qc7 10. dxc5 Bxc5 11. e4 e5 12. Bg5 Nbd7 13. Rac1 Nh5 14. Nd5 Qb8 15. b4 Bd6 16. Be7 Nf4 17. Qa2 Bxe7 18. Nxe7+ Kh8 19. g3 Nh3+ 20. Kg2 Nf6 21. Nxc8 Qxc8 22. Nxe5 Ng5 23. f4 Qh3+ 24. Kg1 Ngxe4 25. Qg2 Qxg2+ 26. Kxg2 Nd6 27. Bb3 g6 28. g4 Kg7 29. Rfd1 Nfe4 30. Bd5 Rad8 31. Kf3 Nf6 32. Ba2 Nfe8 33. a5 h6 34. h4 Ra8 35. Rd3 Rd8 36. Rcd1 Rc8 37. Nd7 Rc6 38. Nxf8 Kxf8 39. Bb3 Ke7 40. Ba4 Rc8 41. Bxe8 1-0

[Event "COL-chT"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "1.3"]
[White "Angulo Pastrana, Oscar"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1950"]
[BlackElo "2449"]
[PlyCount "84"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Cordoba"]
[BlackTeam "Risaralda"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h6 6. Nf3 c6 7. Qd2 Bf5 8. Bd3 Ne4 9. Bxe4 dxe4 10. Ng1 Nd7 11. Nge2 e5 12. Bg3 Qe7 13. Rd1 0-0 14. Qc1 exd4 15. exd4 Rfe8 16. Bf4 Kh7 17. Be3 Bg4 18. Rd2 Nb6 19. b3 Rad8 20. a3 f5 21. Nf4 c5 22. Nce2 Bxe2 23. Nxe2 Nd5 24. c3 Rc8 25. g3 cxd4 26. Rxd4 Nxe3 27. fxe3 Bxd4 28. Nxd4 Qc7 29. Ne2 Red8 30. h5 g5 31. Rf1 Qe5 32. a4 Rd3 33. Kf2 Qd6 34. a5 Rd2 35. Ke1 Rd8 36. Nd4 Rg2 37. Ne2 Rxg3 38. Rxf5 Rf3 39. Rxf3 exf3 40. Nd4 Qg3+ 41. Kd2 Qg2+ 42. Kd3 f2 0-1

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.22"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Cori, Jorge Moise"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2457"]
[BlackElo "2627"]
[PlyCount "32"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[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 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 Nc6 8. d5 Ne5 9. Ng3 h5 10. Be2 h4 11. Nf1 e6 12. Nd2 a6 13. a4 exd5 14. cxd5 Nh7 15. f4 Nd7 16. 0-0 Re8 1/2-1/2

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.21"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Zambrana, Oswaldo"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2457"]
[BlackElo "2380"]
[PlyCount "64"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 h6 4. g3 Nf6 5. Bg2 Bd6 6. 0-0 0-0 7. Nc3 Nc6 8. e3 dxc4 9. Nd2 e5 10. d5 Na5 11. Qe2 Bg4 12. f3 Bd7 13. Nxc4 Nxc4 14. Qxc4 c6 15. Rd1 cxd5 16. Nxd5 Rc8 17. Qd3 Be6 18. e4 Bxd5 19. exd5 Qb6+ 20. Kh1 Rfe8 21. Qf5 Bc5 22. Bd2 Rcd8 23. f4 g6 24. Qh3 h5 25. f5 Ng4 26. Be1 Bb4 27. Bf3 Bxe1 28. Bxg4 hxg4 29. Qxg4 Bf2 30. Rf1 Rxd5 31. fxg6 fxg6 32. Qc4 Red8 0-1

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.20"]
[Round "7"]
[White "Cerda Albornoz, Guillermo Fidel"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2151"]
[BlackElo "2457"]
[PlyCount "80"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 a6 6. Ba4 g6 7. 0-0 b5 8. Bc2 Bb7 9. d4 Bg7 10. Nbd2 e5 11. d5 0-0 12. Re1 Nh5 13. Nf1 Nf4 14. Qd1 c4 15. Be3 h6 16. g3 Nh5 17. Nh4 Nhf6 18. h3 Nc5 19. Bxc5 dxc5 20. Ng2 Qd7 21. g4 h5 22. f3 Bh6 23. Ng3 Kg7 24. Qe2 Rh8 25. Ne3 hxg4 26. hxg4 Bf4 27. Kg2 Nh7 28. Rh1 Ng5 29. Nef5+ Kf6 30. Qf2 Qc7 31. Ne3 Rae8 32. Rad1 Qb6 33. Bb1 Qd6 34. Ngf5 gxf5 35. Nxf5 Qb6 36. Rh4 Bc8 37. Rdh1 Rxh4 38. Qxh4 Bxf5 39. exf5 Ke7 40. Be4 Qf6 0-1

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.19"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Bedoya Rosales, Luis"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2457"]
[BlackElo "1971"]
[PlyCount "77"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 a6 7. Ba4 b5 8. Bc2 d6 9. h3 Nf6 10. Nc3 0-0 11. 0-0 Bb7 12. Re1 e5 13. d5 Ne7 14. Be3 h6 15. Qd2 Kh7 16. a4 b4 17. Ne2 a5 18. Ng3 Bc8 19. Rac1 Bd7 20. b3 Qb8 21. Bd3 Qb7 22. Qe2 Rfc8 23. Nd2 Rxc1 24. Rxc1 Ne8 25. Nc4 Nc8 26. f4 exf4 27. Bxf4 Nb6 28. Nxd6 Nxd6 29. Bxd6 Rc8 30. Rxc8 Bxc8 31. Kh1 Nd7 32. Bb5 Ne5 33. Qf2 Kg8 34. Qf4 Qb6 35. Bxe5 g5 36. Qc1 Bxh3 37. gxh3 Bxe5 38. Qc8+ Kg7 39. Nh5+ 1-0

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.18"]
[Round "5"]
[White "Vasquez Vargas, Henry Richard"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2124"]
[BlackElo "2457"]
[PlyCount "82"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[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 a6 4. e3 Nbd7 5. Bd3 c5 6. dxc5 Nxc5 7. Nf3 Bg4 8. Be2 e6 9. Ne5 Bxe2 10. Nxe2 Be7 11. 0-0 0-0 12. c4 Qb6 13. Rb1 a5 14. cxd5 Nxd5 15. Nc3 Nxf4 16. exf4 Rfd8 17. Qe2 a4 18. g3 Bf6 19. Rfd1 Rxd1+ 20. Rxd1 a3 21. b3 Qb4 22. Qc4 Qxc4 23. bxc4 g5 24. Kg2 gxf4 25. gxf4 Be7 26. Kf3 Rc8 27. Ng4 Na6 28. Ne3 Bc5 29. Nb5 Bxe3 30. fxe3 Rxc4 31. Nxa3 Ra4 32. Rd3 Nc5 33. Rc3 Ne4 34. Rd3 f5 35. Kg2 Kg7 36. Rb3 Kg6 37. Kh3 Kh5 38. Nb5 Rxa2 39. Nd4 Nd2 40. Rxb7 Nf1 41. Nf3 Rf2 0-1

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.17"]
[Round "4"]
[White "Tomiello, Lucas Costamilan"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2253"]
[BlackElo "2457"]
[PlyCount "56"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. e5 Ne4 8. Qd3 d5 9. exd6 Nxc3 10. bxc3 Bxd6 11. Be3 0-0 12. Rd1 Bc7 13. Qc2 Qe7 14. Bd3 f5 15. 0-0 Nd7 16. Rfe1 Nc5 17. f4 Bd7 18. Qf2 Nxd3 19. Rxd3 Rac8 20. Qf3 e5 21. Qd5+ Rf7 22. fxe5 Qxe5 23. Nf3 Qxd5 24. cxd5 Bb5 25. Rdd1 Ba5 26. Ne5 Re7 27. Bd4 Rd8 28. a4 Be8 1-0

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.16"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Flores Quillas, Diego Saul Rodrigo"]
[Result "1/2-1/2"]
[ECO "E41"]
[WhiteElo "2457"]
[BlackElo "2357"]
[PlyCount "72"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 Nc6 7. 0-0 Bxc3 8. bxc3 d6 9. e4 e5 10. h3 h6 11. Be3 b6 12. d5 Ne7 13. Nh4 g5 14. Qf3 Ng6 15. Nf5 Bxf5 16. exf5 e4 17. Qg3 Nh4 18. Bxg5 Nxf5 19. Bxf6+ Nxg3 20. fxg3 exd3 21. Bxd8 Raxd8 22. Rad1 Rfe8 23. Rxd3 Re4 24. Rf6 Kg7 25. Rdf3 Rd7 26. Kf2 Rxc4 27. R6f4 b5 28. Re3 Rb7 29. Ke2 Ra4 30. Rxa4 bxa4 31. Kd3 Rb2 32. Kc4 Kf8 33. a3 a6 34. Rf3 Ke7 35. Re3+ Kf8 36. Rf3 Ke7 1/2-1/2

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.15"]
[Round "2"]
[White "Gonzalez Culi, Diego"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2114"]
[BlackElo "2457"]
[PlyCount "64"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 c6 7. h3 a6 8. Nf3 b5 9. a3 Nbd7 10. 0-0 bxc4 11. Bxc4 d5 12. Bd3 dxe4 13. Nxe4 Nd5 14. Bg5 Qb6 15. Nc3 e6 16. Qd2 Nxc3 17. bxc3 c5 18. Be4 Ra7 19. Bh6 Nf6 20. dxc5 Qa5 21. Bxg7 Kxg7 22. Qd4 Rd8 23. Qe5 Rc7 24. Rfe1 Rxc5 25. Qf4 Rxc3 26. Ne5 Qc7 27. Bf3 Qc5 28. Rac1 Bd7 29. Rcd1 Qc7 30. Qd4 a5 31. g4 h6 32. h4 Qc5 0-1

[Event "South America-ch 1st"]
[Site "Lima"]
[Date "2023.09.14"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Arevalo Perez, Luis Alexander"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2457"]
[BlackElo "1927"]
[PlyCount "81"]
[EventDate "2023.09.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 0-0 6. e3 b6 7. Be2 dxc4 8. Bxc4 Bb7 9. 0-0 c5 10. Qe2 cxd4 11. exd4 Nc6 12. Rad1 Nb4 13. Ne5 Nfd5 14. Bd2 Rc8 15. Ne4 Nc6 16. Nf3 Nf6 17. Bd3 Nxd4 18. Nxd4 Qxd4 19. Bc3 Qa4 20. Nxf6+ Bxf6 21. Bxf6 gxf6 22. Qh5 Rfd8 23. Qxh7+ Kf8 24. Bg6 Qe8 25. Bh5 Ke7 26. Rxd8 Rxd8 27. Rc1 Rc8 28. Rxc8 Qxc8 29. Qxf7+ Kd6 30. h4 Qc1+ 31. Kh2 Qf4+ 32. Kh3 Qf5+ 33. Bg4 Qd3+ 34. f3 Bd5 35. Qxf6 Qb1 36. a3 Qh1+ 37. Kg3 Qe1+ 38. Kh2 Qd2 39. h5 Qc2 40. h6 a5 41. Qd8+ 1-0

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.06"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ren, Jesse"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2469"]
[BlackElo "2146"]
[PlyCount "69"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 0-0 7. b3 Nd7 8. Bb2 f6 9. Nc4 Be7 10. Ne3 Nc5 11. h4 Ne6 12. h5 Nd4 13. g4 Bc5 14. Rg1 Nxf3+ 15. Qxf3 a5 16. Qg3 h6 17. f4 Qe7 18. 0-0-0 exf4 19. Qxf4 a4 20. Nf5 Bxf5 21. gxf5 Bxg1 22. Rxg1 Kh7 23. Rg6 axb3 24. axb3 Ra5 25. Qg3 Ra2 26. Bc3 Rf7 27. e5 fxe5 28. Bxe5 Kg8 29. Kb1 Ra5 30. f6 Qd7 31. d4 Rxe5 32. dxe5 Qd1+ 33. Kb2 Qd4+ 34. Kb1 Rf8 35. Kc1 1-0

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.06"]
[Round "8"]
[White "Nguyen, James Le"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2131"]
[BlackElo "2469"]
[PlyCount "222"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Re1 Nh6 7. h3 0-0 8. d3 d6 9. e5 Nf5 10. c4 Nd4 11. Bf4 f6 12. exd6 e5 13. Bd2 Qxd6 14. Nc3 Bf5 15. Ne4 Bxe4 16. dxe4 Nxf3+ 17. gxf3 f5 18. Be3 Qe6 19. Bxc5 Rf6 20. Qb3 fxe4 21. fxe4 Bf8 22. Bxf8 Raxf8 23. c5 Qxb3 24. axb3 Rxf2 25. Rxa7 Rxb2 26. Rd1 Rxb3 27. Kg2 Rb2+ 28. Kg3 Rbf2 29. Rdd7 R8f3+ 30. Kg4 Rf7 31. Rxf7 Rxf7 32. Ra6 Rf4+ 33. Kg5 Kg7 34. Ra7+ Rf7 35. Ra6 h6+ 36. Kg4 Rf4+ 37. Kg3 Rxe4 38. Rxc6 Rc4 39. Rc8 Kf6 40. c6 Rc3+ 41. Kg2 Rc2+ 42. Kf3 Rc4 43. c7 Kg5 44. Kg3 Rc3+ 45. Kg2 h5 46. Re8 Rc2+ 47. Kg3 Rc3+ 48. Kg2 Rxc7 49. Rxe5+ Kf4 50. Re2 Rc3 51. Rf2+ Kg5 52. Rd2 Re3 53. Rd6 Kf5 54. Ra6 Re4 55. Kf3 Rf4+ 56. Kg3 Re4 57. Kf3 Re5 58. h4 Rb5 59. Ra3 Rd5 60. Rb3 Ke5 61. Re3+ Kf6 62. Ra3 Rd4 63. Ra6+ Kf7 64. Ra7+ Kf8 65. Ra8+ Ke7 66. Ra7+ Kd8 67. Ra8+ Kc7 68. Kg3 Rg4+ 69. Kh3 Kb6 70. Rc8 Kb5 71. Rc7 Rd4 72. Kg3 Rg4+ 73. Kh3 Kb6 74. Rc8 Rd4 75. Kg3 Re4 76. Kh3 Re3+ 77. Kg2 Kb5 78. Kf2 Re4 79. Kg3 Kb4 80. Rc6 Rg4+ 81. Kh3 Kb3 82. Rc7 Rc4 83. Rg7 Rc6 84. Kg3 Rf6 85. Rc7 Kb4 86. Rc8 Kb5 87. Rc7 Kb6 88. Rc8 Rf1 89. Kg2 Kb7 90. Rc4 Rf5 91. Kg3 Rf7 92. Rf4 Rc7 93. Rf6 Rc1 94. Kh3 Rg1 95. Kh2 Rg4 96. Kh3 Kc7 97. Ra6 Kd7 98. Rb6 Ke7 99. Ra6 Kf7 100. Rb6 Re4 101. Kg3 Re6 102. Rb3 Kf6 103. Rf3+ Ke5 104. Ra3 Rd6 105. Re3+ Kd4 106. Re8 Rf6 107. Re7 Rf1 108. Rd7+ Ke5 109. Re7+ Kf6 110. Ra7 Rg1+ 111. Kh3 Re1 1/2-1/2

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.05"]
[Round "7"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Matta, Nicholas F"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2469"]
[BlackElo "2253"]
[PlyCount "120"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nbd7 6. 0-0 Rb8 7. Qc2 b5 8. b3 Bb7 9. bxc4 Be4 10. Qd1 bxc4 11. Nbd2 Bd5 12. Qc2 c3 13. Qxc3 c5 14. Ba3 Be7 15. dxc5 Rc8 16. e4 Ba8 17. e5 Nd5 18. Qd4 0-0 19. Nb3 Qc7 20. Rac1 a5 21. Rfe1 Qa7 22. Rc4 Bc6 23. Rec1 Rfd8 24. Qd2 Nb4 25. Bxb4 axb4 26. Qf4 Qxa2 27. Nfd4 Bxg2 28. Kxg2 Qa8+ 29. Nf3 h6 30. Qe3 Bg5 31. Qe1 Bxc1 32. Rxc1 Qd5 33. Qe3 Nxe5 34. Qxe5 Qxb3 35. Qe4 Qa3 36. Rc4 b3 37. Qe3 Qa2 38. Rg4 Qa1 39. Qxh6 Rxc5 40. Qh4 Rdc8 41. Ng5 Rxg5 42. Rxg5 Qa8+ 43. Kh3 g6 44. Rb5 Qh1 45. Qg5 Qf1+ 46. Kh4 Qxf2 47. Rxb3 Qxh2+ 48. Kg4 Rc4+ 49. Kf3 Qh1+ 50. Ke2 Qg2+ 51. Ke1 Re4+ 52. Kd1 Qf1+ 53. Kc2 Re2+ 54. Kc3 Qf3+ 55. Kb4 Qe4+ 56. Ka3 Qa8+ 57. Kb4 Re4+ 58. Kc3 Qa1+ 59. Rb2 Re2 60. Qd8+ Kg7 0-1

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.05"]
[Round "6"]
[White "Mahajan, Rushaan"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2228"]
[BlackElo "2469"]
[PlyCount "138"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 c5 5. c4 g6 6. b3 Bg7 7. Bb2 0-0 8. d4 cxd4 9. Qxd4 d6 10. Qh4 Nbd7 11. Nc3 a6 12. Rfd1 Rc8 13. Rac1 Rc5 14. b4 Rc7 15. Nd5 Bxd5 16. cxd5 Rxc1 17. Rxc1 Nxd5 18. Bxg7 Kxg7 19. Ng5 N5f6 20. Bb7 Qb8 21. Bxa6 Qa7 22. Bc4 h6 23. Nf3 Rc8 24. Rb1 g5 25. Nxg5 Ne5 26. Bb3 hxg5 27. Qxg5+ Ng6 28. h4 Qb7 29. h5 Rh8 30. Bxf7 Kxf7 31. Qxg6+ Ke6 32. Rb3 Rxh5 33. Re3+ Re5 34. Rxe5+ dxe5 35. Qd3 Qc6 36. Qb3+ Qd5 37. Qc2 Qe4 38. Qxe4 Nxe4 39. a4 Kd5 40. a5 Kc6 41. Kg2 b5 42. g4 Nc3 43. a6 Nd5 44. Kf3 Nxb4 45. g5 Nd5 46. Ke4 b4 47. a7 Kb7 48. Kxd5 b3 49. a8Q+ Kxa8 50. g6 b2 51. g7 b1Q 52. g8Q+ Kb7 53. Qg4 Qb5+ 54. Ke6 Kc7 55. Kxe7 Qc5+ 56. Ke8 Qxf2 57. Qd7+ Kb6 58. Qd6+ Kb5 59. Qxe5+ Qc5 60. Qb2+ Kc4 61. Qc2+ Kd5 62. Qf5+ Kd6 63. Qg6+ Kd5 64. Qf5+ Kd6 65. Qg6+ Kd5 66. Qh5+ Kd6 67. Qh6+ Kd5 68. Qd2+ Qd4 69. Qa2+ Ke5 1/2-1/2

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.04"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Kretchetov, Alexandre"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2469"]
[BlackElo "2203"]
[PlyCount "63"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. g3 d5 6. Bg2 dxc4 7. 0-0 c3 8. bxc3 Bxc3 9. Rb1 Bxd4 10. Nxd4 Qxd4 11. Bb2 Qd8 12. Qc2 Na6 13. Rfd1 Qe7 14. Qc3 Rb8 15. Ne4 b6 16. Nxf6+ Qxf6 17. Qxf6 gxf6 18. Bxf6 Bb7 19. Rd4 h5 20. Rh4 Kh7 21. e4 Kg6 22. e5 Bxg2 23. Kxg2 c5 24. g4 Nb4 25. Rxh5 Nd5 26. Rg5+ Kh6 27. Rb3 Nf4+ 28. Kg3 Ne2+ 29. Kh4 Rg8 30. Rh5+ Kg6 31. Rf3 c4 32. Rff5 1-0

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.04"]
[Round "4"]
[White "Stopa, Jacek"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2374"]
[BlackElo "2469"]
[PlyCount "19"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. h3 h6 7. Nc3 a6 8. a3 0-0 9. Be3 Re8 10. Bxc5 1/2-1/2

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.03"]
[Round "2"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Zaloznyy, Mike"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2469"]
[BlackElo "2172"]
[PlyCount "77"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. c5 b6 6. cxb6 c5 7. Qb3 Bb7 8. dxc5 Bxc5 9. Na4 Nbd7 10. Nxc5 Nxc5 11. Qa3 Rc8 12. Be3 Ncd7 13. Bd4 Qe7 14. Qxe7+ Kxe7 15. a4 Kd6 16. e3 Ne4 17. Nd2 Nxd2 18. Kxd2 e5 19. Bc3 Nxb6 20. b3 Ke6 21. f3 Rhd8 22. Be2 d4 23. exd4 exd4 24. Ba5 Rd6 25. Rac1 Rxc1 26. Rxc1 Nd5 27. g3 f5 28. Rc4 Ne3 29. Rc7 Bd5 30. b4 d3 31. Kxd3 Nd1 32. Kc2 Bc6 33. b5 Ne3+ 34. Kb2 axb5 35. axb5 Bd5 36. b6 Rd7 37. Ba6 Bxf3 38. Bc8 Kd5 39. Ba6 1-0

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.03"]
[Round "3"]
[White "Campos Jimenez, Augusto Cesar"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2291"]
[BlackElo "2469"]
[PlyCount "110"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bxc6 Bxc6 8. d4 Bxe4 9. Bg5 d5 10. Nbd2 Bxf3 11. Qxf3 e6 12. c4 cxd4 13. Bxf6 Qxf6 14. Qxd5 Qe7 15. Qxd4 Rd8 16. Qf4 Qd7 17. Nf3 Bb4 18. Re4 0-0 19. Rd4 Qa4 20. g3 Rxd4 21. Qxd4 Qa5 22. a3 Bc5 23. Qe4 Qb6 24. Qe2 a5 25. Rd1 Rd8 26. Rxd8+ Qxd8 27. Kg2 g6 28. h4 h5 29. Ng5 a4 30. Qf3 Qc7 31. Ne4 Bd4 32. b3 axb3 33. Qxb3 Qc6 34. Qf3 Kg7 35. a4 b6 36. Ng5 Qc7 37. Qd3 Bf6 38. Ne4 Qc6 39. Qf3 Be7 40. Ng5 Qe8 41. Qb3 Qd8 42. Qb5 Qc7 43. Qb2+ Bf6 44. Qb5 Bd4 45. Qe8 Qb7+ 46. Kg1 Bf6 47. Qb5 Qc7 48. Kg2 Bd4 49. Qe8 e5 50. Qb5 Qb7+ 51. f3 Qe7 52. Qd5 Be3 53. Ne4 Bd4 54. Ng5 Be3 55. Nxf7 Bd4 1/2-1/2

[Event "Fort Lauderdale 1000 GM IM 08"]
[Site "Fort Lauderdale"]
[Date "2023.08.02"]
[Round "1"]
[White "Johnson, Donald"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2175"]
[BlackElo "2469"]
[PlyCount "102"]
[EventDate "2023.08.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2 Nc6 9. Nc3 d6 10. Be3 Nf6 11. Bh6 b5 12. a3 Bb7 13. 0-0-0 Nd7 14. f4 b4 15. axb4 Nxb4 16. Kb1 Rc8 17. f5 Bf6 18. fxe6 fxe6 19. Bc4 Qe7 20. Nd4 Nc5 21. Rhf1 Rb8 22. Qg4 Nc6 23. Nxe6 Ne5 24. Qf4 Nxc4 25. Qxf6 Qxf6 26. Rxf6 Nxe6 27. Rxe6+ Kf7 28. Rdxd6 Nxd6 29. Rxd6 Rbd8 30. Rb6 Rd7 31. Nd5 Bxd5 32. exd5 Rxd5 33. Rxa6 Rc8 34. b3 g5 35. Kc1 Rf5 36. h4 gxh4 37. Be3 Re8 38. Bd4 Re4 39. Ba7 Rg5 40. Rh6 Kg7 41. Rd6 Rxg2 42. Bd4+ Kf7 43. Ba7 h3 44. Rd1 h2 45. Rh1 Ree2 46. Bd4 Rxc2+ 47. Kb1 Rcd2 48. Bc5 Rg1+ 49. Bxg1 Rd1+ 50. Kc2 hxg1Q 51. Rxg1 Rxg1 0-1

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.03"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Cori, Jorge Moise"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2475"]
[BlackElo "2636"]
[PlyCount "101"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Ne7 5. e5 b6 6. Bb5+ c6 7. Ba4 a5 8. a3 Bxc3 9. Bxc3 Ba6 10. Bd2 0-0 11. Ne2 c5 12. c3 Nbc6 13. Bg5 Qc7 14. Rc1 h6 15. Bf4 Rfc8 16. 0-0 Qa7 17. Re1 Bxe2 18. Qxe2 cxd4 19. Qg4 Ng6 20. cxd4 Nxd4 21. Bxh6 b5 22. Be3 Nxe5 23. Rxc8+ Rxc8 24. Qd1 Nec6 25. Bxb5 Qb7 26. Bd3 Qxb2 27. Qh5 f5 28. Rb1 Qxa3 29. Rb7 Qf8 30. g4 Nf3+ 31. Kh1 Nfe5 32. g5 Qe8 33. Qxe8+ Rxe8 34. Bb5 Rc8 35. f4 Nc4 36. Bxc4 dxc4 37. Bd2 Rb8 38. Rc7 Rb1+ 39. Kg2 Rb2 40. Kf3 Rxd2 41. Rxc6 Rxh2 42. Rxc4 Kf7 43. Rc7+ Kg6 44. Re7 Rh3+ 45. Kf2 a4 46. Rxe6+ Kh5 47. Ra6 a3 48. g6 Rb3 49. Ke2 Kg4 50. Ra4 Rb6 51. Ke1 0-1

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.03"]
[Round "9"]
[White "Palencia Morales, Wilson Guillermo"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2300"]
[BlackElo "2475"]
[PlyCount "54"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Nf6 7. Be3 b6 8. Bd3 Bb7 9. g4 h5 10. g5 Ng4 11. Qe2 Nxe3 12. fxe3 Nc6 13. 0-0-0 Ne5 14. Nf3 Bb4 15. Nd2 b5 16. Rhf1 Rc8 17. Kb1 Bxc3 18. bxc3 bxc4 19. Bc2 Qa5 20. Nf3 Qxc3 21. Nxe5 Qxe5 22. Rxf7 Kxf7 23. Rxd7+ Kg6 24. Rxb7 Rb8 25. Rxb8 Rxb8+ 26. Kc1 Qa1+ 27. Kd2 Rd8+ 0-1

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.02"]
[Round "7"]
[White "Garcia Pantoja, Roberto"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2507"]
[BlackElo "2475"]
[PlyCount "65"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nxc6 Qxc6 8. Qe2 b5 9. Bd2 Bb7 10. 0-0-0 Rc8 11. f4 Bc5 12. Rhe1 Ne7 13. a3 0-0 14. Qh5 f6 15. g4 Qc7 16. Kb1 Rb8 17. f5 b4 18. axb4 Bxb4 19. Re3 Ba8 20. Rh3 Bxc3 21. Qxh7+ Kf7 22. Qh5+ Kg8 23. Bxc3 Qxc3 24. Qh7+ Kf7 25. Qh5+ Kg8 26. Qh7+ Kf7 27. Qh5+ Kg8 28. Bb5 Qe5 29. Qh7+ Kf7 30. Rxd7 Rxb5 31. Qg6+ Kg8 32. Qh7+ Kf7 33. Qg6+ 1/2-1/2

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.07.02"]
[Round "6"]
[White "Rios Parra, Alejandro"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2176"]
[BlackElo "2475"]
[PlyCount "62"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Be3 Nf6 8. Qe2 b5 9. Nxc6 dxc6 10. a4 Rb8 11. 0-0 Bd6 12. f4 e5 13. axb5 axb5 14. h3 0-0 15. f5 Qe7 16. g4 Bc5 17. Bxc5 Qxc5+ 18. Kh2 h6 19. h4 g5 20. hxg5 hxg5 21. Kg3 Rd8 22. Qd2 Kf8 23. Qxg5 Ke7 24. Kf3 Rg8 25. Qe3 Qxe3+ 26. Kxe3 Rxg4 27. Ra7+ Bd7 28. Rh1 Rbg8 29. Rh6 Rg2 30. Be2 R8g3+ 31. Kd2 b4 0-1

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.30"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Bobadilla Viera, Jorge Samuel"]
[Result "1-0"]
[ECO "C81"]
[WhiteElo "2475"]
[BlackElo "2388"]
[PlyCount "89"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Bc5 13. Be3 Bxe3 14. Qxe3 Qb8 15. Bb3 Na5 16. Nbd2 Qa7 17. Rac1 Qxe3 18. fxe3 c5 19. Ba4 Nxd2 20. Rxd2 Rfc8 21. Rdc2 c4 22. Nd4 Rc7 23. e4 Bd7 24. Bxd7 Rxd7 25. b4 cxb3 26. Rc8+ Rd8 27. Rxa8 Rxa8 28. axb3 dxe4 29. Kf2 g6 30. Ke3 Rb8 31. Ra1 Nb7 32. Nc6 Ra8 33. b4 Nd8 34. b5 Nxc6 35. bxc6 Kf8 36. Kxe4 a5 37. Kd5 Ke7 38. Ra4 Kd8 39. Kd6 Ra6 40. h4 h5 41. Rf4 Ra7 42. e6 f5 43. Rf1 a4 44. Rb1 Kc8 45. Kc5 1-0

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.30"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Valdez Martinez, Miguel A"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2475"]
[BlackElo "2138"]
[PlyCount "51"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nc3 f5 5. g4 Nf6 6. gxf5 exf5 7. cxd5 Nxd5 8. Rg1 Be6 9. e3 g6 10. Ng5 Bg8 11. Bd3 Nd7 12. h4 Qe7 13. Bd2 Bg7 14. Nxd5 Bxd5 15. Qe2 0-0-0 16. a3 c5 17. Bc4 Bxc4 18. Qxc4 Bxd4 19. 0-0-0 Bf6 20. Ba5 b6 21. Nf7 bxa5 22. Qa6+ Kb8 23. Nxd8 Rxd8 24. Rd6 Nb6 25. Rxb6+ axb6 26. Qxb6+ 1/2-1/2

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.29"]
[Round "2"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Betancourt Giraldo, David Rogelio"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2475"]
[BlackElo "2054"]
[PlyCount "59"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 Ne6 9. Bxe7 Qxe7 10. 0-0-0 c6 11. Qe4 Nd7 12. Bc4 Nf6 13. Qh4 Bd7 14. Rhe1 0-0-0 15. Ne4 Kb8 16. Nd6 Bc8 17. Qg3 Ka8 18. Qxg7 Rhg8 19. Qxf7 Qxf7 20. Nxf7 Rxd1+ 21. Rxd1 b5 22. Bxe6 Bxe6 23. Rd6 Bxf7 24. Rxf6 Bd5 25. g3 Kb7 26. b3 Re8 27. Kd2 b4 28. Ne1 Kb6 29. Nd3 a5 30. h4 1-0

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.29"]
[Round "3"]
[White "Panesso Rivera, Henry"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2346"]
[BlackElo "2475"]
[PlyCount "34"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. a3 bxa3 7. Rxa3 0-0 8. Nc3 d6 9. e3 b6 10. Be2 Bb7 11. 0-0 Nbd7 12. b4 a6 13. Qb3 Qc7 14. Rc1 e5 15. Raa1 Rfc8 16. Qb2 h6 17. h3 Qd8 1/2-1/2

[Event "Sabaneta op-A 2nd"]
[Site "Sabaneta Antioquia"]
[Date "2023.06.28"]
[Round "1"]
[White "Ardila, Oscar Humberto"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1958"]
[BlackElo "2475"]
[PlyCount "116"]
[EventDate "2023.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 a6 6. Bg5 Be7 7. e3 d6 8. Be2 Nbd7 9. 0-0 0-0 10. Rc1 Qc7 11. b4 Re8 12. Qb3 b6 13. Bf3 Bb7 14. Rfd1 Rac8 15. Na4 Bxf3 16. Nxf3 b5 17. Nb2 bxc4 18. Rxc4 Qb7 19. Rb1 d5 20. Rxc8 Rxc8 21. Nd3 h6 22. Bh4 g5 23. Bg3 Ne4 24. Rd1 Rc3 25. Qb1 Rc4 26. Qb3 Bf6 27. Nd2 Nxd2 28. Rxd2 Qc6 29. h3 h5 30. Rd1 Rc3 31. Qb1 h4 32. Bh2 Qc4 33. Bd6 Qc6 34. Bc5 Nxc5 35. bxc5 Qb5 36. Qxb5 axb5 37. Kf1 Be7 38. Ke2 Bxc5 39. Kd2 Rc4 40. Rb1 Bd6 41. Rxb5 Ra4 42. Rb2 Kf8 43. Rc2 Ke7 44. Ke2 f5 45. Ne1 Kf6 46. Nf3 Ra6 47. Nd4 f4 48. exf4 gxf4 49. Kf3 e5 50. Nb5 Kf5 51. Nxd6+ Rxd6 52. Rc8 e4+ 53. Ke2 Ra6 54. Rc2 Ke5 55. Kd2 Rg6 56. a4 Rxg2 57. Ke1 Rg1+ 58. Kd2 Ra1 0-1

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.12"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Corredor Rengifo, Luis Fernando"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2475"]
[BlackElo "2140"]
[PlyCount "97"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 0-0 5. g3 Nc6 6. Bg2 d6 7. 0-0 Bxd2 8. Bxd2 a5 9. Bc3 Ne4 10. Qc2 Nxc3 11. Qxc3 Qe7 12. Rfc1 Bd7 13. d5 Nb8 14. e4 e5 15. c5 Na6 16. cxd6 cxd6 17. Nd2 Nc5 18. Nc4 a4 19. Nxd6 a3 20. bxa3 Qxd6 21. Qxc5 Qxc5 22. Rxc5 Rfb8 23. Rc3 Kf8 24. Rb1 Ke7 25. Bf1 Kd8 26. f4 f6 27. Kf2 Ra4 28. Rb4 Ra5 29. Ke3 exf4+ 30. gxf4 f5 31. Bd3 fxe4 32. Bxe4 Rba8 33. Rbb3 R8a6 34. h4 Ke7 35. Rxb7 Rxa3 36. Rxa3 Rxa3+ 37. Kd4 Kd6 38. Rb6+ Kc7 39. Rb3 Rxa2 40. Ke5 g6 41. d6+ Kc8 42. Bb7+ Kd8 43. Bf3 Ra5+ 44. Kf6 Rf5+ 45. Kg7 Bb5 46. Rb4 Bd3 47. Bc6 Kc8 48. d7+ Kc7 49. Rb8 1-0

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.11"]
[Round "8"]
[White "Carrillo Parra, Miguel Alfredo"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2244"]
[BlackElo "2475"]
[PlyCount "78"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 d6 9. Be2 Nbd7 10. 0-0 Be7 11. f4 Rc8 12. b4 0-0 13. Bb2 a6 14. f5 e5 15. Nb3 b5 16. cxb5 Bxe4 17. Bd3 Qb6+ 18. Kh1 Bxd3 19. Qxd3 axb5 20. Nxb5 d5 21. Nc3 d4 22. Ne4 Qc6 23. Nxf6+ Bxf6 24. Rfc1 Qd5 25. Nd2 Bg5 26. Rxc8 Rxc8 27. Ne4 Be3 28. a4 Nf6 29. Nxf6+ gxf6 30. a5 e4 31. Qe2 Qb3 32. a6 Qxb4 33. h4 h5 34. a7 Ra8 35. Qc2 Rxa7 36. Rb1 d3 37. Qc8+ Kh7 38. Bxf6 Qxb1+ 39. Kh2 Bf4+ 0-1

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.11"]
[Round "7"]
[White "Garzon Camelo, Andres Santiago"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1957"]
[BlackElo "2475"]
[PlyCount "98"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Bd3 cxd4 6. exd4 Bb7 7. Nf3 Be7 8. 0-0 0-0 9. Nbd2 d6 10. h3 Nbd7 11. Qe2 a6 12. a4 Qc7 13. Bh2 Rfe8 14. Rfe1 h6 15. Ne4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 Nf6 18. Qd3 Qb7 19. Nd2 b5 20. axb5 axb5 21. Qf3 d5 22. Be5 Ra4 23. Bxf6 Bxf6 24. Nb3 Qa7 25. Qd1 Ra8 26. Qc2 Be7 27. Rxa4 bxa4 28. Nd2 Rc8 29. Nf3 a3 30. Ra1 Qa5 31. Ne5 Bd6 32. Nd3 Qc7 33. Rc1 axb2 34. Qxb2 Qc4 35. Qd2 Ra8 36. f4 Ra2 37. Rc2 Ra1+ 38. Rc1 Ra3 39. Ne5 Qa6 40. Rb1 Ra2 41. Qe3 Rxg2+ 42. Kxg2 Qa2+ 43. Kg3 Qxb1 44. h4 h5 45. Nf3 Qf5 46. Nh2 f6 47. Qf3 g5 48. hxg5 fxg5 49. Kg2 Qxf4 0-1

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.10"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Londono Lopez, Donaldo"]
[Result "1-0"]
[ECO "A19"]
[WhiteElo "2475"]
[BlackElo "2071"]
[PlyCount "79"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Ne7 12. Bb6 Nf5 13. Qc5 Qe7 14. f4 d6 15. Qf2 Nd7 16. Bd3 Nxb6 17. Qxb6 Qd8 18. Qxd8+ Kxd8 19. Bxf5 exf5 20. 0-0-0 Re8 21. Rxd6+ Kc7 22. Rhd1 Be6 23. Kc2 Re7 24. c5 Rae8 25. b4 Rd7 26. a4 Rxd6 27. Rxd6 Bf7 28. b5 Bc4 29. g3 Rd8 30. Rxd8 Kxd8 31. Kd2 Kd7 32. Ke3 a5 33. Nd1 Bb3 34. Nb2 Ke6 35. Kd4 h6 36. Kc3 Ba2 37. Nc4 Bxc4 38. Kxc4 Kd7 39. Kd5 g6 40. h4 1-0

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.10"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ortiz Lopera, Miguel Angel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2475"]
[BlackElo "1774"]
[PlyCount "59"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. Nbd2 d6 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 b6 10. a3 bxa3 11. b4 Bb7 12. Rxa3 Qe7 13. Qb1 Rfc8 14. e4 e5 15. d5 Rc7 16. Nb3 Nh5 17. Rc1 Bc8 18. Bf1 g6 19. Qb2 Rb8 20. Qa1 Rbb7 21. c5 bxc5 22. bxc5 dxc5 23. Na5 Rb6 24. Nc6 Qe8 25. Rxa7 Rxa7 26. Qxa7 Nhf6 27. Nfxe5 Rb7 28. Qa1 Nxe5 29. Nxe5 Nxe4 30. Re1 1-0

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.09"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ojeda, Jesus David"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2475"]
[BlackElo "2044"]
[PlyCount "101"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 d6 5. d4 Bd7 6. 0-0 Ng6 7. Re1 Be7 8. Nbd2 0-0 9. Nf1 Bf6 10. d5 Nce7 11. Bxd7 Qxd7 12. Ng3 Nf4 13. Be3 g5 14. c4 h6 15. c5 Bh8 16. Rc1 f5 17. Bxf4 exf4 18. c6 bxc6 19. dxc6 Qe6 20. Nxf5 Nxf5 21. exf5 Qxa2 22. Nd4 Qd5 23. Ne6 Qxd1 24. Rcxd1 Rf7 25. h4 Bxb2 26. hxg5 hxg5 27. g4 fxg3 28. fxg3 a5 29. Re2 Be5 30. Kg2 a4 31. Ra2 a3 32. Rd3 Bb2 33. g4 Ra4 34. Kf3 Rh7 35. Nxg5 Rh4 36. Rb3 Raxg4 37. Ne6 Rh3+ 38. Kxg4 Rxb3 39. Nxc7 Rc3 40. Nd5 Rc4+ 41. Kf3 Kg7 42. c7 Kf7 43. Ke3 Ke8 44. Kf3 Rc5 45. Ke4 Kd7 46. f6 Ke6 47. Nf4+ Kxf6 48. Nd3 Rxc7 49. Nxb2 axb2 50. Rxb2 Ke6 51. Rb5 1/2-1/2

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.09"]
[Round "4"]
[White "Narvaez Ramirez, Faber Alberto"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2076"]
[BlackElo "2475"]
[PlyCount "87"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. 0-0 d5 9. exd5 cxd5 10. Qd4 Be7 11. Bf4 0-0 12. a4 Bb7 13. a5 Nd7 14. Rfd1 Bc6 15. Bb5 Qc8 16. Bxc6 Qxc6 17. Qa4 Rfc8 18. Qxc6 Rxc6 19. Rac1 a6 20. Ne2 Rac8 21. c3 Bf6 22. Be3 Nc5 23. Bxc5 Rxc5 24. Ra1 g5 25. Ra4 Rb8 26. Ra2 Rb3 27. f3 Be5 28. Nc1 Rcb5 29. Nxb3 Rxb3 30. Kf2 Kf8 31. Ke2 h5 32. h3 Ke7 33. Kd2 Kd6 34. Kc2 Rb8 35. Ra3 g4 36. Rb3 Rg8 37. hxg4 hxg4 38. Rb6+ Kc7 39. Rxa6 Kb7 40. Rb6+ Kc7 41. Rb4 f5 42. a6 Bd6 43. Rb7+ Kc6 44. b4 1-0

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.08"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Luna Velandia, Juan Sebastian"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2475"]
[BlackElo "1579"]
[PlyCount "81"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. e4 Bg7 7. Be2 Nc6 8. Nc2 0-0 9. 0-0 Bd7 10. Bd2 Rc8 11. Rc1 Ne5 12. b3 Bc6 13. f3 b6 14. Kh1 Ba8 15. Ne3 Qd7 16. Ned5 Bxd5 17. cxd5 Qb7 18. f4 Ned7 19. Bb5 Nb8 20. Qf3 a6 21. Bd3 Nbd7 22. Rce1 Ne8 23. Bb1 e5 24. dxe6 fxe6 25. Qh3 Nc7 26. f5 Rce8 27. Ne2 Ne5 28. Nf4 Qc8 29. Qg3 Rf6 30. Bc3 Nb5 31. Bb2 exf5 32. exf5 gxf5 33. Nh5 Rg6 34. Bxf5 Rxg3 35. Bxc8 Rg5 36. Bxa6 Rxh5 37. Bxb5 Re7 38. Bc4+ Kh8 39. Bd4 h6 40. Be2 Rh4 41. Bxb6 1-0

[Event "COL-ch"]
[Site "Cartagena"]
[Date "2023.06.08"]
[Round "2"]
[White "Viloria, Daniel"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1894"]
[BlackElo "2475"]
[PlyCount "60"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Nc3 Nc6 8. Qe2 Nge7 9. Be3 d6 10. f4 0-0 11. 0-0 b5 12. a4 b4 13. Nb1 d5 14. Bxa7 Rxa7 15. N1d2 a5 16. Rad1 Qb6+ 17. Kh1 Ba6 18. Nf3 dxe4 19. Qxe4 Nf5 20. g4 Bxd3 21. Rxd3 Nfe7 22. Ng5 Ng6 23. Rh3 h6 24. Nf3 Rd8 25. f5 exf5 26. gxf5 Re7 27. Qg4 Nce5 28. Qg3 Nxf3 29. fxg6 Ng5 30. gxf7+ Rxf7 0-1

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.23"]
[Round "11"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Supi, Luis Paulo"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2479"]
[BlackElo "2603"]
[PlyCount "123"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 d6 10. Rc1 Be7 11. Be2 Nbd7 12. g4 h6 13. Kd2 g5 14. Kc2 Ne5 15. Kb1 Ng6 16. Qa4+ Kf8 17. Qb3 Nd7 18. Rhd1 Rc8 19. Bf1 Qb8 20. Ka2 Kg7 21. Nce2 Kf8 22. Ng3 Bf6 23. Nh5 Be5 24. h3 Ke7 25. Qb4 Ba8 26. Qd2 Nf6 27. Nxf6 Bxf6 28. Ne2 Be5 29. f4 gxf4 30. Nxf4 Nxf4 31. Bxf4 Bxf4 32. Qxf4 Rc5 33. Rc3 f6 34. Rf3 Rf8 35. Qxh6 Bxe4 36. Re3 d5 37. Bd3 Qe5 38. Rde1 Qg5 39. Qxg5 fxg5 40. Bxe4 dxe4 41. Rxe4 Rc6 42. Kb3 Rf2 43. R1e2 Rf1 44. Kb4 Rf3 45. R2e3 Rf2 46. b3 Rf1 47. a4 Rh1 48. Re5 Kf6 49. a5 bxa5+ 50. Rxa5 Rb1 51. Rf3+ Kg6 52. Re5 Rb6+ 53. Kc5 R1xb3 54. Rxe6+ Kg7 55. Rxb6 Rxf3 56. Rxa6 Rxh3 57. Re6 Rh4 58. Re4 Rh8 59. Kd6 Rd8+ 60. Ke7 Rc8 61. Kd7 Rf8 62. Re6 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.22"]
[Round "10"]
[White "Stearman, Josiah P"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2385"]
[BlackElo "2479"]
[PlyCount "95"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 0-0 10. e4 d6 11. b3 Qc8 12. f4 Nbd7 13. Qf3 Re8 14. g4 g6 15. g5 Nh5 16. Nde2 Bf8 17. Bb2 a6 18. Nd1 b5 19. Ne3 bxc4 20. Rac1 Qb7 21. Nxc4 d5 22. exd5 exd5 23. Ne3 Re4 24. Ng3 Rae8 25. Nxe4 dxe4 26. Qd1 Nc5 27. Qd4 Bg7 28. Qxc5 Bxb2 29. Rc2 Bg7 30. f5 Be5 31. Qd5 Qa7 32. Ng4 Bg7 33. f6 Bf8 34. Qc6 Qb8 35. Qd7 Rd8 36. Qc7 Qa8 37. Qc6 Qb8 38. Qxe4 Qb5 39. Nh6+ Bxh6 40. gxh6 Qg5+ 41. Kh1 Qxh6 42. Qe7 Rf8 43. Rfc1 Ng3+ 44. Kg2 Nh5 45. Qxf8+ Qxf8 46. Rc8 Nxf6 47. Rxf8+ Kxf8 48. Rc6 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.21"]
[Round "9"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ostrovskiy, Aleksandr A"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2479"]
[BlackElo "2394"]
[PlyCount "87"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. a3 Be7 6. e4 d6 7. Be2 Nfd7 8. 0-0 e5 9. Qc2 exd4 10. Nxd4 Bf6 11. N2f3 Re8 12. Re1 Nc6 13. Be3 Nxd4 14. Nxd4 Nc5 15. Rad1 Bd7 16. Nb5 a6 17. Bxc5 axb5 18. Bb4 bxc4 19. Bxc4 Bc6 20. f4 Qc8 21. h3 Ba4 22. b3 Bd7 23. a4 Be6 24. Bf1 h6 25. Kh2 Bd7 26. Bd3 Rb8 27. Bf1 Ra8 28. Re3 Bc6 29. Bc4 Qb8 30. e5 dxe5 31. Qg6 Qa7 32. Bxf7+ Kh8 33. Rde1 Qd4 34. Re4 Bxe4 35. Rxe4 Qd7 36. Bxe8 Rxe8 37. Bc3 Re6 38. Qf5 Qc6 39. fxe5 Be7 40. Rc4 Qd7 41. Rg4 Bc5 42. b4 Be3 43. Rg6 Bf4+ 44. g3 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.20"]
[Round "8"]
[White "Figueredo Losada, Leonel"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2353"]
[BlackElo "2479"]
[PlyCount "108"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 d6 10. Rc1 Be7 11. Be2 Nbd7 12. g4 h6 13. Kd2 Rc8 14. Kc2 Ne5 15. Kb1 g5 16. h4 Rg8 17. hxg5 hxg5 18. Qd2 Qd8 19. Na4 Nfd7 20. b4 Ra8 21. Qc2 Qb8 22. Qb3 a5 23. Nb5 Bc6 24. Nac3 Kf8 25. Rcd1 Nf6 26. Qb2 Ne8 27. Rh7 axb4 28. axb4 Qb7 29. Nd4 Bd7 30. Rhh1 Bf6 31. Qb3 Ng6 32. Rd2 Nf4 33. Bf1 Nc7 34. Rhh2 Be5 35. Ra2 Ke7 36. Rxa8 Rxa8 37. Ra2 Rh8 38. Rd2 Rh1 39. Rd1 Qa8 40. Qa2 Qh8 41. Qa7 Rxf1 42. Nc6+ Bxc6 43. Qxc7+ Bd7 44. Rxf1 Bxc3 45. Rd1 Be5 46. Bxb6 Ne2 47. Kc2 Qa8 48. Ba5 Nd4+ 49. Kd3 Nc6 50. Ke2 Qh8 51. Qb6 Bd4 52. c5 Qh2+ 53. Kd3 Ne5+ 54. Kxd4 Qb2+ 0-1

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.19"]
[Round "7"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Gomez Barrera, Javiera Belen"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2479"]
[BlackElo "2247"]
[PlyCount "109"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 0-0 9. a3 h6 10. Ba2 Bc5 11. Be3 d6 12. h3 Re8 13. Qd2 Nd4 14. Bxd4 exd4 15. Ne2 d5 16. e5 Nd7 17. c3 dxc3 18. bxc3 Bxa3 19. d4 a5 20. Bb1 b4 21. Nf4 Nf8 22. Nh5 bxc3 23. Qxc3 Bb4 24. Qe3 c5 25. Qf4 Ng6 26. Qg3 Ra6 27. Bd3 cxd4 28. Nxd4 Rxe5 29. Bxa6 Rg5 30. Qd3 Bxa6 31. Qxa6 Rxh5 32. Rac1 Qg5 33. Rc8+ Kh7 34. Qd3 f5 35. Ne6 Qf6 36. Qe2 Rh4 37. f4 d4 38. Rc6 Nxf4 39. Qc4 Nxe6 40. Rxe6 d3 41. g4 Qc3 42. Qf4 Qc5+ 43. Kh2 Qd5 44. Qxf5+ Qxf5 45. Rxf5 d2 46. Rd5 Kg8 47. Kg3 g5 48. Rd7 Kf8 49. Re5 Bc3 50. Red5 Ke8 51. Rh7 Bb4 52. Kg2 Bc3 53. Rd6 h5 54. Re6+ Kd8 55. Ra6 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.19"]
[Round "6"]
[White "Zacarias Martinez, Ruben David"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2244"]
[BlackElo "2479"]
[PlyCount "122"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. Nc3 e6 11. exd5 Nxd5 12. h3 Bh5 13. Nxd5 Qxd5 14. g4 Bg6 15. Bg2 Rd8 16. Ne5 Qxd4 17. Bxc6+ bxc6 18. Qxd4 Rxd4 19. Nxc6 Rd5 20. Bf4 h5 21. Rad1 Rxd1 22. Rxd1 Be7 23. f3 f6 24. Bd6 Bf8 25. Bb4 hxg4 26. hxg4 e5 27. Rd8+ Kf7 28. Rb8 Bb1 29. a3 Ba2 30. Kg2 Bd5 31. Ne7 Bc4 32. Nf5 Bd5 33. Rc8 e4 34. Rc7+ Ke8 35. fxe4 Bxe4+ 36. Kg3 g6 37. Nd4 Bd5 38. Rc8+ Kf7 39. Rd8 Be4 40. Rd7+ Ke8 41. Rc7 Bd5 42. Rc8+ Kf7 43. Rd8 Bc4 44. b3 Bf1 45. Rb8 Rh3+ 46. Kf2 Bxb4 47. Rxb4 Bd3 48. Rb7+ Kg8 49. a4 Be4 50. Re7 Bd5 51. Ra7 Rd3 52. Ne2 Rxb3 53. Rxa6 Kg7 54. Ra5 Be4 55. g5 fxg5 56. Rxg5 Kf6 57. Rc5 Ra3 58. Nc3 Bh1 59. a5 g5 60. Kg3 Kg6 61. Kg4 Be4 1/2-1/2

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.18"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Cordoba Roa, Angel Gabriel"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2479"]
[BlackElo "2222"]
[PlyCount "78"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. d3 Be7 8. Nc3 0-0 9. a4 Na5 10. Ba2 b4 11. Ne2 d5 12. exd5 Bxd5 13. Bxd5 Qxd5 14. Ng3 Nc6 15. Re1 Rad8 16. b3 e4 17. Nh4 exd3 18. Nhf5 Bc5 19. Bb2 d2 20. Rf1 Ne5 21. Kh1 Rfe8 22. h3 g6 23. Ne3 Qc6 24. Bxe5 Rxe5 25. Nc4 Ree8 26. Rb1 Nd5 27. Qf3 Qf6 28. Qxf6 Nxf6 29. Rbd1 Ne4 30. Nxe4 Rxe4 31. g3 Bxf2 32. Kg2 Be1 33. Rf3 Re2+ 34. Kf1 Rde8 35. g4 Rh2 36. Ne3 Bh4 37. Kg1 Re2 38. Nf1 Bg5 39. h4 Re1 0-1

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.17"]
[Round "4"]
[White "Johnson, Joshua"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "2249"]
[BlackElo "2479"]
[PlyCount "181"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 e6 7. 0-0 Nbd7 8. Re1 Be7 9. Nbd2 0-0 10. Nc4 Rd8 11. Bf4 Qc6 12. a4 Nd5 13. Na5 Qb6 14. Nc4 Qa7 15. Bg3 N7f6 16. Bd3 Bd7 17. Nce5 Be8 18. Qe2 cxd4 19. Nxd4 Rac8 20. Bc2 Bc5 21. Nef3 Bd6 22. Ng5 Bxg3 23. hxg3 Qb6 24. a5 Qd6 25. Rad1 h6 26. Ne4 Qc7 27. Ra1 Qe7 28. Bb3 Nxe4 29. Qxe4 Rc5 30. Qf3 Qf6 31. Qg4 Bd7 32. Qe4 Rdc8 33. Bc2 g6 34. Bd3 h5 35. Nb3 R5c7 36. Nd4 Ne7 37. Qe2 Kg7 38. Be4 Rh8 39. Qe3 h4 40. g4 e5 41. g5 Qd6 42. Nb3 Bc6 43. Rad1 Qe6 44. Bxc6 Nxc6 45. Nc5 Qf5 46. b4 h3 47. g3 h2+ 48. Kg2 Rh5 49. Ne4 Re7 50. Qf3 Rh8 51. g4 Qxf3+ 52. Kxf3 Nd8 53. Kg3 Ne6 54. Rh1 Ree8 55. Rxh2 Nf4 56. Rdh1 Rxh2 57. Rxh2 Rd8 58. Nf6 Ne2+ 59. Kf3 Nxc3 60. Rh7+ Kf8 61. Rh8+ Ke7 62. Rxd8 Kxd8 63. Ne4 Nb5 64. Nc5 Nd6 65. Ke3 Kc7 66. Nd3 Nc4+ 67. Ke4 Kd6 68. Nc5 Nxa5 69. Kd3 Nc6 70. Nxb7+ Kd5 71. Kc3 e4 72. Kb3 Ne5 73. Nd8 Nxg4 74. Nxf7 Nxf2 75. Nh8 e3 76. Kc2 Ke4 77. Nxg6 Nd3 78. Nh4 Nxb4+ 79. Kd1 Kd3 80. Ng2 e2+ 81. Ke1 Nc2+ 82. Kf2 Kd2 83. g6 Ne3 84. g7 Ng4+ 85. Kg3 Nf6 86. Kh4 a5 87. Kg5 Ng8 88. Kg6 a4 89. Kf7 Nh6+ 90. Kg6 Ng8 91. Kf7 1/2-1/2

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.16"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Araujo Sanchez, Josue"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2479"]
[BlackElo "2303"]
[PlyCount "73"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nxc6 bxc6 8. 0-0 g6 9. Qe1 Qc5 10. b3 Bg7 11. Be3 Qh5 12. f3 0-0 13. Rd1 Be6 14. Bxe6 fxe6 15. Ne2 Nd7 16. Nd4 Be5 17. h3 Bxd4 18. Bxd4 e5 19. Be3 Nf6 20. c4 c5 21. h4 h6 22. Qg3 Nh7 23. Qh3 g5 24. Qe6+ Rf7 25. g4 Qxh4 26. Kg2 Nf8 27. Qd5 Rd8 28. Rh1 e6 29. Qc6 Ng6 30. Rxh4 Nxh4+ 31. Kf2 Nxf3 32. Ke2 Nd4+ 33. Bxd4 exd4 34. Rh1 Kg7 35. e5 Rdf8 36. Rh2 Rf1 37. Qd7+ 1-0

[Event "American Continental 17th"]
[Site "Juan Dolio"]
[Date "2023.05.15"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Castillo Rosa, Kelvin Santiago"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2479"]
[BlackElo "2014"]
[PlyCount "39"]
[EventDate "2023.05.15"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DOM"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Bc5 7. e5 Ng4 8. h3 h5 9. hxg4 hxg4 10. Ng5 Nxe5 11. Re1 Qe7 12. Bf4 f6 13. Bxe5 fxe5 14. Qxg4 b5 15. Bb3 d5 16. Qg3 Bd6 17. Bxd5 e4 18. f4 d3 19. cxd3 Kf8 20. Nxe4 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "10"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Aalto, Patrik"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2479"]
[BlackElo "2251"]
[PlyCount "85"]
[EventDate "2023.04.18"]
[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. a3 d5 2. b4 e5 3. Bb2 Bd6 4. e3 Nf6 5. d4 exd4 6. Bxd4 0-0 7. Nf3 a5 8. b5 c5 9. Bb2 Be6 10. Nbd2 Nbd7 11. c4 Qe7 12. Qc2 d4 13. Bd3 dxe3 14. fxe3 Bg4 15. 0-0-0 Qxe3 16. Rde1 Qh6 17. h3 Bxf3 18. gxf3 Bf4 19. Re2 Rfe8 20. Rg2 Ne5 21. Rhg1 Nxd3+ 22. Qxd3 Rad8 23. Qf5 Bxd2+ 24. Kb1 Re6 25. Rxg7+ Qxg7 26. Rxg7+ Kxg7 27. f4 h6 28. Be5 Be3 29. Qg4+ Kf8 30. Qh4 Bd4 31. Qxh6+ Ke7 32. Bc7 Rd7 33. b6 Be3 34. Qg5 Bd4 35. Kc2 Re2+ 36. Kb3 Re3+ 37. Ka4 Bb2 38. Qxc5+ Ke8 39. Qxe3+ Kf8 40. f5 Bd4 41. Qh6+ Ke7 42. Qf4 Bc5 43. Qe5+ 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Aymerich Verdaguer, Eduard"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2479"]
[BlackElo "2215"]
[PlyCount "93"]
[EventDate "2023.04.18"]
[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. a3 g6 2. d4 Bg7 3. Nf3 Nf6 4. c4 d6 5. Nc3 0-0 6. h3 Nc6 7. d5 Na5 8. e4 b6 9. Bd3 e5 10. 0-0 Nh5 11. b4 Nb7 12. Rb1 Nf4 13. Bxf4 exf4 14. Qd2 a5 15. Nb5 axb4 16. axb4 g5 17. Rfe1 Re8 18. Nbd4 Qf6 19. Nc6 g4 20. hxg4 Bxg4 21. e5 Qh6 22. Nh2 Bd7 23. exd6 Nxd6 24. c5 bxc5 25. bxc5 Nf5 26. Bxf5 Bxf5 27. Ne7+ Rxe7 28. Rxe7 Bxb1 29. Rxc7 Be4 30. d6 Qg6 31. f3 Bd3 32. Qe1 Bd4+ 33. Kh1 Ra1 34. Rc8+ Kg7 35. Qxa1 Bxa1 36. d7 Bf6 37. c6 Ba6 38. c7 Qb1+ 39. Nf1 Qxf1+ 40. Kh2 Bh4 41. Rg8+ Kxg8 42. d8Q+ Bxd8 43. cxd8Q+ Kg7 44. Qg5+ Kf8 45. Qd8+ Kg7 46. Qd4+ Kf8 47. Qd8+ 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "2"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2479"]
[BlackElo "2853"]
[PlyCount "68"]
[EventDate "2023.04.18"]
[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 c5 2. e4 cxd4 3. Nf3 e5 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 d6 7. Qb3 Qd7 8. Nd5 Nf6 9. Nxf6+ gxf6 10. 0-0 Na5 11. Qc3 Nxc4 12. Qxc4 Rg8 13. Qb3 Qg4 14. g3 Qxe4 15. Re1 Qc6 16. Nd4 Qb6 17. Qd3 Bd7 18. Be3 Rg6 19. Nf5 Qa6 20. Qe4 d5 21. Qf3 Qe6 22. Nh4 Rg4 23. Rad1 Re4 24. Qh5 d4 25. Bd2 Bc6 26. Qxh7 Rxh4 27. Qxh4 Qd5 28. f3 Qxf3 29. Qh3 Bc5 30. Rc1 Bb6 31. Rxc6 bxc6 32. Ba5 Bxa5 33. Qh8+ Ke7 34. Qxa8 Bxe1 0-1

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Marcziter, Dmitrii"]
[Result "1-0"]
[ECO "C21"]
[WhiteElo "2479"]
[BlackElo "2233"]
[PlyCount "83"]
[EventDate "2023.04.18"]
[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 e5 2. d4 exd4 3. c3 d3 4. c4 Bb4+ 5. Bd2 Qe7 6. Bxd3 Bxd2+ 7. Nxd2 Nf6 8. Ngf3 d6 9. 0-0 0-0 10. h3 Nc6 11. a3 a5 12. b3 Ne5 13. Nxe5 dxe5 14. Qc2 Be6 15. Nf3 Bd7 16. Qc3 Rfe8 17. Rfd1 h6 18. Bc2 Bc6 19. Re1 b6 20. Nh4 g6 21. g3 Kh7 22. Ng2 Rad8 23. b4 axb4 24. axb4 Rd4 25. f3 Red8 26. Ne3 Nh5 27. Nd5 Qg5 28. g4 Nf4 29. Rad1 Nxh3+ 30. Kf1 Qh4 31. Qe3 Bxd5 32. exd5 Rxc4 33. Rd2 Nf4 34. Be4 Qh1+ 35. Qg1 Qh3+ 36. Kf2 Ra8 37. Qg3 Rxb4 38. d6 Rd8 39. Qxh3 Nxh3+ 40. Kg3 Ng5 41. dxc7 Nxe4+ 42. Rxe4 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "11"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Volkmann, Andre Jordi"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2479"]
[BlackElo "2158"]
[PlyCount "191"]
[EventDate "2023.04.18"]
[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. a3 d5 2. b4 e5 3. Bb2 f6 4. e3 c5 5. bxc5 Bxc5 6. Nf3 Nc6 7. d4 Bd6 8. dxe5 Bxe5 9. Nxe5 Nxe5 10. Bxe5 fxe5 11. Qh5+ Kf8 12. Qxe5 Qf6 13. Qxf6+ Nxf6 14. Bd3 Ke7 15. Nd2 Re8 16. f3 b6 17. Kf2 Bb7 18. Rhb1 Rac8 19. a4 a6 20. Rxb6 Rc7 21. Rab1 Bc8 22. Nb3 Kf8 23. Nd4 Kg8 24. Bxa6 Bxa6 25. Rxa6 Nd7 26. Rc6 Ra7 27. Rb4 Ne5 28. Rcb6 Nc4 29. e4 Nxb6 30. Rxb6 dxe4 31. Rb4 e3+ 32. Ke2 Rd7 33. c3 Rc8 34. Rb3 Ra7 35. Ra3 Re8 36. a5 Rb7 37. Ra2 Rc7 38. Kd3 e2 39. Nxe2 Rce7 40. Nd4 Re3+ 41. Kc4 Rc8+ 42. Kb4 Rexc3 43. Rd2 R8c4+ 44. Kb5 Rc5+ 45. Kb6 Rd5 46. a6 Rd6+ 47. Kb5 Ra3 48. f4 Raxa6 49. g3 Ra3 50. Kc5 Rd8 51. Nf3 Rxd2 52. Nxd2 Ra2 53. Nf3 Rf2 54. Ng5 Rxh2 55. Kd5 Rg2 56. Ne4 Kf7 57. Kd4 h5 58. Ke3 Ra2 59. Kf3 Ra3+ 60. Kg2 Kg6 61. Kh3 Ra4 62. Ng5 Kf5 63. Nf3 Ra3 64. Nd4+ Ke4 65. Ne6 g6 66. Kh4 Kf5 67. Nd4+ Ke4 68. Ne6 Kf5 69. Ng7+ Kf6 70. Ne8+ Ke7 71. Nc7 Ra2 72. Nd5+ Ke6 73. Ne3 Re2 74. Nc4 Kf6 75. Kh3 Re4 76. Nd2 Re3 77. Nc4 Rd3 78. Ne5 Ra3 79. Kh4 Ra1 80. Kh3 Rh1+ 81. Kg2 Ra1 82. Nf3 Ra2+ 83. Kh3 Ra1 84. Nd4 Rh1+ 85. Kg2 Rd1 86. Nf3 Kf5 87. Nh4+ Kg4 88. Nxg6 Rd2+ 89. Kf1 Kxg3 90. f5 Kf3 91. Ke1 Rd5 92. f6 Rf5 93. Nh4+ Kg4 94. Nxf5 h4 95. Nxh4 Kxh4 96. f7 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Winkels, Marcel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2479"]
[BlackElo "1962"]
[PlyCount "121"]
[EventDate "2023.04.18"]
[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. a3 d5 2. h3 Nf6 3. d4 g6 4. Nf3 Bg7 5. c4 0-0 6. Nc3 c5 7. cxd5 Nxd5 8. e3 Nc6 9. Bc4 Nxc3 10. bxc3 cxd4 11. cxd4 e5 12. Bb2 exd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Qa5+ 16. Qd2 Qxd2+ 17. Kxd2 Bd7 18. Rhb1 Bc6 19. Ke2 Rfd8 20. f3 Rac8 21. Bd3 Rd7 22. Rb2 Rcd8 23. Bc4 a6 24. Rc1 Kg7 25. h4 h5 26. Rc3 Rd6 27. Rd3 Rxd3 28. Bxd3 Rd5 29. e4 Rd7 30. Ke3 Kf6 31. g3 b5 32. Rc2 Bb7 33. f4 Ke7 34. e5 Kd8 35. Rc5 Rc7 36. Kd4 Rd7+ 37. Kc3 Bd5 38. Bc2 Rc7 39. Kd4 Bc4 40. Rxc7 Kxc7 41. Kc5 Be6 42. Be4 Bf5 43. Bf3 Be6 44. Be2 Bf5 45. Bd1 Be6 46. Bc2 Bg4 47. a4 bxa4 48. Bxa4 Be6 49. Be8 Bb3 50. Kb4 Be6 51. Ka5 Kb7 52. Ba4 Bc4 53. Kb4 Be6 54. Kc5 Kc7 55. Be8 Bb3 56. Bc6 a5 57. Bf3 a4 58. Kb4 Kb6 59. f5 Bc2 60. e6 fxe6 61. f6 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "5"]
[White "Dobrijevic, Milan"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2208"]
[BlackElo "2479"]
[PlyCount "71"]
[EventDate "2023.04.18"]
[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 e5 2. d4 exd4 3. Nf3 Nf6 4. Bc4 Nc6 5. e5 d5 6. Bb5 Nd7 7. 0-0 Bc5 8. Nbd2 0-0 9. Nb3 Bb6 10. Re1 Nc5 11. Nbxd4 Nxd4 12. Nxd4 Ne4 13. f3 Qh4 14. Be3 Ng5 15. Bf2 Qh5 16. Bd3 c5 17. Nf5 Nh3+ 18. gxh3 Bxf5 19. Bxf5 Qxf5 20. Qxd5 Qxc2 21. Qxb7 Qxb2 22. Qe4 Rae8 23. f4 f6 24. e6 f5 25. Qc4 Rf6 26. Rab1 Rg6+ 27. Kf1 Qa3 28. Rb3 Qxa2 29. e7+ Kh8 30. Qf7 Qa6+ 31. Re2 h6 32. Qxe8+ Kh7 33. Qxg6+ Kxg6 34. e8Q+ Kh7 35. Rg3 Qc4 36. Qg6+ 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "7"]
[White "Le Goff, Ronan"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2320"]
[BlackElo "2479"]
[PlyCount "175"]
[EventDate "2023.04.18"]
[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 a6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 Nd7 6. 0-0 e5 7. Nbc3 Ne7 8. dxe5 dxe5 9. Nd5 c6 10. Nxe7 Qxe7 11. b3 0-0 12. a4 Rd8 13. Ba3 Qe8 14. Qc1 Nf8 15. Qe3 Ne6 16. c3 Bf8 17. Bxf8 Qxf8 18. Rfd1 Bd7 19. Qb6 Rab8 20. b4 Qe7 21. a5 Be8 22. h4 Nc7 23. Kh2 Nb5 24. Bh3 Nd6 25. f3 Nc4 26. Qf2 Nb2 27. Rxd8 Rxd8 28. Nc1 Nd3 29. Qe3 Nb2 30. Ra2 Nc4 31. Qe2 Nd6 32. Nd3 f6 33. Nc5 Nb5 34. Rc2 Bf7 35. Qe1 Kg7 36. Rd2 Rd6 37. Qc1 h5 38. Bc8 Rxd2+ 39. Qxd2 Nd6 40. Bh3 Bc4 41. g4 hxg4 42. fxg4 Be6 43. g5 Bxh3 44. Kxh3 f5 45. exf5 Nxf5 46. Qd7 Qxd7 47. Nxd7 e4 48. Nc5 e3 49. Kg2 Nxh4+ 50. Kf1 Nf3 51. Nxb7 Nxg5 52. Nc5 Kf6 53. Nxa6 Ne4 54. Nc7 Nxc3 55. a6 Na4 56. a7 Nb6 57. Ke2 Ke5 58. Kxe3 Kd6 59. a8Q Nxa8 60. Nxa8 Kd5 61. Nb6+ Ke5 62. Nc4+ Kd5 63. Kd3 g5 64. Ne3+ Ke5 65. Kc4 Ke4 66. Ng4 Kf5 67. Nf2 Ke6 68. Kc5 Kd7 69. Kb6 Kd6 70. Ne4+ Kd5 71. Nxg5 Kc4 72. Ka5 Kd5 73. Nf3 c5 74. b5 c4 75. Ne1 c3 76. Nc2 Kc4 77. b6 Kb3 78. Nd4+ Kc4 79. Nc2 Kb3 80. b7 Kxc2 81. b8Q Kc1 82. Qf4+ Kb1 83. Qb4+ Kc2 84. Kb5 Kd3 85. Qc4+ Kd2 86. Qd4+ Kc2 87. Kb4 Kb1 88. Qxc3 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "9"]
[White "Mazurkiewicz, Michal"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2145"]
[BlackElo "2479"]
[PlyCount "95"]
[EventDate "2023.04.18"]
[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 a6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. Ne2 c5 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nc3 Nge7 9. a4 Nxd4 10. Qxd4 Nc6 11. Qd1 b4 12. Ne2 Bc5 13. c3 a5 14. Nd4 0-0 15. Be3 Qb6 16. Re1 Rfd8 17. f4 Rac8 18. e5 Ne7 19. Bxb7 Qxb7 20. Nb5 Bxe3+ 21. Rxe3 Nf5 22. Rd3 bxc3 23. bxc3 g6 24. Qf3 Qxf3 25. Rxf3 d6 26. exd6 Nxd6 27. Rd3 Ne4 28. Rxd8+ Rxd8 29. Re1 f5 30. Nd4 Kf7 31. Nc6 Rd5 32. Rb1 Nxc3 33. Rb7+ Kf8 34. Rxh7 Nxa4 35. Ne5 Nc3 36. Nxg6+ Ke8 37. Re7+ Kd8 38. Rxe6 Kc7 39. Ne7 Rd1+ 40. Kf2 Ne4+ 41. Ke2 Nc3+ 42. Kf2 Ne4+ 43. Ke2 Rc1 44. Nxf5 Nc3+ 45. Kd2 Na2 46. Ra6 Rc5 47. Nd4 Nb4 48. Ne6+ 1-0

[Event "Titled Tuesday intern op 18th Apr Late"]
[Site "Chess.com INT"]
[Date "2023.04.18"]
[Round "3"]
[White "Melikhov, Evgeny V"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2269"]
[BlackElo "2479"]
[PlyCount "77"]
[EventDate "2023.04.18"]
[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. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bb7 6. e5 Ne4 7. Nf3 c5 8. a3 Ba5 9. dxc5 bxc5 10. Bd3 Nxc3 11. bxc3 Bxf3 12. gxf3 Nc6 13. Bf4 Nd4 14. Qc1 Nb3 15. Qb2 Nxa1 16. Qxa1 Qh4 17. Bg3 Qd4 18. Kd2 Rb8 19. Kc2 Bxc3 20. Qxc3 Qxc3+ 21. Kxc3 Rb6 22. Rb1 Ke7 23. Rxb6 axb6 24. Bf4 Ra8 25. Kb3 f6 26. Bxh7 Rh8 27. Bg6 Rh3 28. Be4 f5 29. Bb7 Kd8 30. Bg3 g5 31. f4 gxf4 32. Bg2 Rh7 33. Bxf4 Ke7 34. h4 Kf7 35. Bg5 Kg6 36. f4 Rh8 37. Bf3 Ra8 38. Bxa8 Kg7 39. Bf3 1-0

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "4"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Aadit, Bhatia"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2479"]
[BlackElo "1945"]
[PlyCount "123"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. c3 d3 5. Bxd3 g6 6. h4 Bg7 7. h5 d6 8. Na3 Bg4 9. h6 Bf6 10. Nc4 Rc8 11. Ne3 Bxf3 12. Qxf3 Ne5 13. Bb5+ Nc6 14. Nd5 a6 15. Ba4 b5 16. Bb3 e6 17. Nxf6+ Qxf6 18. Bf4 Ne5 19. Bxe5 Qxe5 20. 0-0-0 Nf6 21. Rxd6 Nxe4 22. Rd3 Qg5+ 23. Kc2 Nc5 24. Rd4 Nxb3 25. axb3 0-0 26. Rg4 Qe7 27. Qe3 Rfd8 28. Rd4 Rxd4 29. Qxd4 e5 30. Re1 Re8 31. Qb6 Qg5 32. Qxa6 Qf5+ 33. Kc1 Qxf2 34. Rd1 Qf4+ 35. Kc2 Qxh6 36. Qxb5 Rf8 37. Qxe5 Qh4 38. b4 Qg4 39. Rd2 h5 40. b5 h4 41. b6 Qa4+ 42. Kc1 Qa1+ 43. Kc2 Qa4+ 44. Kb1 Ra8 45. Qd5 Qa1+ 46. Kc2 Qa4+ 47. Kd3 Qg4 48. Qxa8+ Kg7 49. Qe4 Qg3+ 50. Kc4 Qb8 51. Qd4+ Kh7 52. Re2 Qc8+ 53. Kb4 Qf8+ 54. Qc5 Qh6 55. Re7 Qf4+ 56. c4 Kg7 57. Qe5+ Qxe5 58. Rxe5 Kf6 59. Rd5 g5 60. b7 g4 61. b8Q h3 62. Qf4+ 1-0

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Firouzja, Alireza"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2479"]
[BlackElo "2785"]
[PlyCount "42"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Nf3 e5 7. d5 a5 8. Be3 Na6 9. Nd2 Nd7 10. g4 Ndc5 11. a3 Bd7 12. Be2 Bf6 13. Qc2 Bg5 14. Nf1 a4 15. 0-0-0 Nb3+ 16. Kb1 Bxe3 17. Nxe3 Nd4 18. Qd2 Nc5 19. h4 Qf6 20. Rdf1 Qf4 21. f3 Ndb3 0-1

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "7"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Manukyan, Sargis V"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2479"]
[BlackElo "2253"]
[PlyCount "82"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 c5 5. d3 d5 6. Nbd2 Nbd7 7. a3 e6 8. b3 Be7 9. Bb2 0-0 10. e3 a5 11. Qe2 a4 12. Rfd1 Qb6 13. bxa4 Rxa4 14. e4 dxe4 15. dxe4 Nxe4 16. c4 Ndf6 17. cxb5 Nxd2 18. Rxd2 c4 19. Nd4 Bxg2 20. Kxg2 Nd5 21. Nc6 Qxb5 22. Nxe7+ Nxe7 23. Bd4 Nf5 24. Bc3 Rfa8 25. Qe4 h5 26. h3 Rxa3 27. Rxa3 Rxa3 28. Rd8+ Kh7 29. Qf3 Kg6 30. Rh8 Qd5 31. Qxd5 exd5 32. Be5 f6 33. Bf4 d4 34. g4 hxg4 35. hxg4 Nh6 36. Rd8 Rd3 37. f3 Nf7 38. Rd7 Ne5 39. Rd6 Nxf3 40. Kf2 Ng5 41. Rc6 Rf3+ 0-1

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "2"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Vaglio Munoz, Jaime"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2479"]
[BlackElo "2174"]
[PlyCount "57"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 h6 7. Bd3 Nc6 8. 0-0 Bd6 9. c3 0-0 10. Re1 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Qh5 Re8 14. Be3 Bd7 15. Rad1 Bc6 16. Bc2 Bf4 17. Bd4 Qg5 18. Qxg5 hxg5 19. f3 b6 20. g3 Bd6 21. Kf2 Rxe1 22. Rxe1 Bd5 23. a3 a5 24. Rd1 Bc6 25. Bxb6 Bxg3+ 26. hxg3 cxb6 27. Rd6 Rc8 28. Bf5 Rc7 29. Rd8+ 1-0

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "3"]
[White "Kuzmin, Roman"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2249"]
[BlackElo "2479"]
[PlyCount "142"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Re1 Bf5 10. Qb3 Qd7 11. Nh4 Be6 12. Nc3 Nxc3 13. bxc3 Na6 14. c5 Be7 15. Nf3 Qc8 16. Qc2 h6 17. Bf4 Nc7 18. Re2 Re8 19. Rae1 Bf8 20. Bxc7 Qxc7 21. Bf5 Bxf5 22. Qxf5 Rxe2 23. Rxe2 b6 24. cxb6 axb6 25. Ne5 Re8 26. Qf3 Re6 27. Nd3 Qe7 28. Rxe6 Qxe6 29. Qe3 Qf5 30. h3 Kh7 31. Qd2 Bd6 32. g3 Qxh3 33. Qe3 Qf5 34. Kg2 Qe4+ 35. Qxe4+ dxe4 36. Nc1 f5 37. Kf1 g5 38. Ke2 f4 39. gxf4 gxf4 40. Nb3 h5 41. c4 h4 42. c5 bxc5 43. dxc5 Be5 44. a4 h3 45. Kf1 f3 46. Kg1 h2+ 47. Kh1 e3 48. fxe3 f2 49. Nd2 Bc7 50. Nf1 Kg6 51. a5 Bxa5 52. Kxh2 Kf5 53. Kg2 Be1 54. Kf3 Ke5 55. Ke2 Kd5 56. Kd3 Kxc5 57. Ke2 Kc4 58. Kd1 Kd3 59. e4 Kxe4 60. Ke2 c5 61. Ng3+ Kd4 62. Nf5+ Kd5 63. Ne3+ Ke4 64. Nc2 c4 65. Na3 Kd4 66. Nb5+ Kc5 67. Na3 Kb4 68. Nc2+ Kb3 69. Nd4+ Kb2 70. Nb5 c3 71. Nd4 c2 0-1

[Event "Titled Tuesday intern op 28th Feb Early"]
[Site "Chess.com INT"]
[Date "2023.02.28"]
[Round "6"]
[White "Turzo, Attila"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2285"]
[BlackElo "2479"]
[PlyCount "88"]
[EventDate "2023.02.28"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Nf3 Bg4 7. 0-0 e6 8. Re1 Bd6 9. h3 Bh5 10. Be3 Nge7 11. Nbd2 Bg6 12. Qe2 0-0 13. a3 Rae8 14. c4 Qd7 15. c5 Bc7 16. b4 a6 17. Rab1 Nf5 18. a4 e5 19. dxe5 Nxe5 20. Nxe5 Bxe5 21. Qf1 d4 22. Bg5 h6 23. Nf3 Bc7 24. Bd2 Ne3 25. Bxe3 dxe3 26. Bxg6 exf2+ 27. Qxf2 fxg6 28. b5 Rxe1+ 29. Qxe1 axb5 30. axb5 Qd5 31. Qc3 Kh7 32. Rf1 Rf5 33. Rc1 Bf4 34. Rf1 Qxc5+ 35. Qxc5 Rxc5 36. Rb1 Be3+ 37. Kh2 Rc2 38. Kg3 h5 39. h4 Kh6 40. Rb3 Bf2+ 41. Kf4 Rc5 42. Ke4 b6 43. Rb2 Bg3 44. Rb3 Rf5 0-1

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "5"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Begunov, Konstantin"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2479"]
[BlackElo "2276"]
[PlyCount "101"]
[EventDate "2023.01.10"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Nc6 9. 0-0-0 Bd7 10. Be2 Nxd4 11. Qxd4 Qxd4 12. Rxd4 Bc6 13. Bxf6 gxf6 14. Bh5 Bh6 15. g3 e5 16. Rxd6 exf4 17. Rxf6 Bg7 18. Rxf7 Bxc3 19. Rxf4+ Ke7 20. bxc3 Rhf8 21. Rhf1 Rxf4 22. gxf4 Rg8 23. Bf3 Bb5 24. Rd1 Rc8 25. Kb2 Rc4 26. Rd4 Rc5 27. e5 b6 28. Bd5 Bd7 29. c4 Bf5 30. a3 b5 31. Kb3 bxc4+ 32. Bxc4 a5 33. a4 Rc8 34. c3 Rb8+ 35. Bb5 Rg8 36. Rd6 Rg2 37. Rh6 Rf2 38. Rh4 Ke6 39. Bc4+ Ke7 40. Bd5 Bd3 41. c4 Bf5 42. c5 Rd2 43. Bc4 Rf2 44. Kc3 Kd7 45. Bb5+ Kc7 46. Kd4 Rd2+ 47. Ke3 Rc2 48. Rh5 Rc3+ 49. Kd4 Bg6 50. Rxh7+ Bxh7 51. Kxc3 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Della Corte, Alessandro"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2479"]
[BlackElo "2160"]
[PlyCount "59"]
[EventDate "2023.01.10"]
[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. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Nbd2 c6 8. b3 b6 9. Bb2 Bb7 10. Rc1 Rc8 11. a3 c5 12. dxc5 dxc4 13. Nxc4 Nxc5 14. b4 Qxd1 15. Rfxd1 Na4 16. Be5 Rfd8 17. Nd4 Bxg2 18. Kxg2 Rxc4 19. Rxc4 Nb2 20. Rdc1 Nxc4 21. Rxc4 Nd7 22. Bc7 Rc8 23. Nc6 Kf8 24. Nxe7 Kxe7 25. Bd6+ Kd8 26. Be7+ Kxe7 27. Rxc8 Kd6 28. f4 f5 29. Kf3 Nf6 30. Ra8 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "11"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Garakov, Mikhael"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2479"]
[BlackElo "2447"]
[PlyCount "75"]
[EventDate "2023.01.10"]
[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. Nf3 g6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Bg7 6. 0-0 0-0 7. c4 Nc6 8. Nc3 a6 9. Nb3 b6 10. Be3 Rb8 11. h3 Ne5 12. Nd2 b5 13. Ba7 Rb7 14. Bxb7 Bxb7 15. cxb5 Qa8 16. Bd4 Nh5 17. bxa6 Bg2 18. Kh2 Bxf1 19. Qxf1 Qxa6 20. Rd1 Rc8 21. f4 Nc6 22. Bxg7 Nxg7 23. e3 Qa8 24. Qf3 Qb8 25. Nb3 d6 26. Nd5 Kf8 27. Rc1 Nf5 28. Qe4 e6 29. Nf6 d5 30. Nd7+ Kg7 31. Nxb8 dxe4 32. Nxc6 Nxe3 33. Ncd4 Rd8 34. Re1 Nc4 35. Rxe4 Nxb2 36. Re2 Na4 37. Rd2 Nc3 38. Nxe6+ 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "7"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Goldin, Roman"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2479"]
[BlackElo "2294"]
[PlyCount "63"]
[EventDate "2023.01.10"]
[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. Nf3 b5 3. e4 Nxe4 4. Bxb5 Bb7 5. 0-0 e6 6. c4 Be7 7. Re1 0-0 8. Nc3 Nxc3 9. bxc3 d6 10. Bf4 Nd7 11. Rb1 Rb8 12. Qd3 Nf6 13. h3 c6 14. Ba4 Qa5 15. Bc2 g6 16. Bg5 Ba6 17. Bb3 Rfe8 18. Qd2 c5 19. Qf4 Nh5 20. Qh4 Bxg5 21. Nxg5 Qxc3 22. Red1 cxd4 23. Ne4 Qa5 24. g4 d5 25. Nd6 Qd8 26. Qxd8 Rexd8 27. c5 Nf4 28. Ba4 Ne2+ 29. Kh2 Nc3 30. Rxb8 Rxb8 31. Rxd4 Bc4 32. c6 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ljukin, Sergei"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2479"]
[BlackElo "2362"]
[PlyCount "79"]
[EventDate "2023.01.10"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Nc6 5. a3 Ba5 6. b4 Bb6 7. Be3 Nge7 8. f3 0-0 9. e5 Nxe5 10. Ng3 Nc4 11. Bxc4 dxc4 12. Bf2 Nf5 13. Nxf5 exf5 14. 0-0 c6 15. Re1 Be6 16. Rb1 Qd7 17. a4 Rad8 18. Ne2 a6 19. c3 Bc7 20. Qd2 h6 21. Bg3 g5 22. Bxc7 Qxc7 23. Ng3 f4 24. Ne4 Kg7 25. Qf2 Bd5 26. a5 Rfe8 27. Nc5 Qc8 28. Re5 Rxe5 29. dxe5 Be6 30. Re1 Rd5 31. h3 Qc7 32. Qe2 Qc8 33. Qxc4 Qc7 34. Qe4 b6 35. axb6 Qxb6 36. Ra1 Qc7 37. Ra5 Rxe5 38. Qd4 Kf6 39. Ne4+ Kf5 40. Nd6+ 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Luukkonen, Tommi"]
[Result "1-0"]
[ECO "B57"]
[WhiteElo "2479"]
[BlackElo "2327"]
[PlyCount "85"]
[EventDate "2023.01.10"]
[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 c5 2. e4 cxd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. Bf4 Ne5 9. Be2 a6 10. Be3 Qc7 11. f4 Nc4 12. Bxc4 Qxc4 13. Qd3 b5 14. a4 Qxd3 15. cxd3 b4 16. Ne2 d5 17. e5 Ng4 18. Bd4 a5 19. Kd2 h5 20. h3 Nh6 21. g4 Be7 22. Rhg1 0-0 23. Bc5 Bxc5 24. Nxc5 f6 25. d4 fxe5 26. dxe5 hxg4 27. hxg4 Ra7 28. Ke3 g5 29. Raf1 Raf7 30. Rf2 gxf4+ 31. Rxf4 d4+ 32. Kf3 Ba6 33. Nxa6 d3 34. Rxf7 Rxf7+ 35. Nf4 Rd7 36. Nc5 Rd4 37. Ncxd3 Nf7 38. b3 Ng5+ 39. Ke3 Re4+ 40. Kf2 Kf7 41. Rc1 Ke7 42. Rc7+ Kd8 43. Rg7 1-0

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "6"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Mendes, Aaron Reeve"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2479"]
[BlackElo "1989"]
[PlyCount "119"]
[EventDate "2023.01.10"]
[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. c4 e5 2. g3 c6 3. d4 e4 4. Nc3 d5 5. cxd5 cxd5 6. Qb3 Nf6 7. Bg5 Nc6 8. e3 Bb4 9. Nge2 Bg4 10. a3 Bf3 11. Rg1 Bxe2 12. Bxe2 Bxc3+ 13. bxc3 0-0 14. Bxf6 gxf6 15. Kf1 Rc8 16. Kg2 Na5 17. Qb4 b6 18. Rgc1 Nc4 19. a4 Qd7 20. Rab1 Rc7 21. Qb5 Qe6 22. Bxc4 Rxc4 23. a5 bxa5 24. Qxa5 Rfc8 25. Qxa7 Rxc3 26. Rxc3 Rxc3 27. Rb8+ Kg7 28. Qa8 Qd6 29. Rg8+ Kh6 30. Qe8 Rc7 31. Rg4 f5 32. Rf4 Qe6 33. Qf8+ Kg5 34. Qg8+ Kf6 35. g4 Ke7 36. Rxf5 Kd6 37. Qd8+ Kc6 38. Rf6 Rd7 39. Rxe6+ fxe6 40. Qf6 Kd6 41. f3 exf3+ 42. Kxf3 Rc7 43. Qe5+ Kd7 44. h4 Rc1 45. h5 Rf1+ 46. Kg2 Rf7 47. g5 Re7 48. g6 hxg6 49. hxg6 Re8 50. Qf6 Rg8 51. Qf7+ Kd6 52. Qxg8 Ke7 53. Qf7+ Kd6 54. g7 Kc6 55. Qxe6+ Kb5 56. Qxd5+ Kb4 57. Qc5+ Kb3 58. g8Q+ Kb2 59. Qb8+ Ka1 60. Qca7# 1-0

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "3"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Ongut, Tamas Gunes"]
[Result "1-0"]
[ECO "C71"]
[WhiteElo "2479"]
[BlackElo "2340"]
[PlyCount "57"]
[EventDate "2023.01.10"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 Nf6 6. Nc3 Bg4 7. d3 Be7 8. h3 Bxf3 9. Qxf3 0-0 10. Be3 Nd4 11. Bxd4 exd4 12. Ne2 Nd7 13. Bxd7 Qxd7 14. Nxd4 Bf6 15. Qe3 b5 16. 0-0 c5 17. Nf5 Bxb2 18. Rab1 Bc3 19. d4 Bxd4 20. Nxd4 cxd4 21. Qxd4 bxc4 22. Qxc4 Rfc8 23. Qd3 Qe6 24. Rb3 Rc4 25. f3 Rac8 26. Rd1 Rc1 27. Rb1 R1c2 28. a4 Qg6 29. Qxc2 1-0

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "8"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Petukhov, Dmitry"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2479"]
[BlackElo "2350"]
[PlyCount "88"]
[EventDate "2023.01.10"]
[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. Nf3 g6 3. Bg5 Ne4 4. Bf4 Bg7 5. Nbd2 d5 6. e3 Nxd2 7. Qxd2 0-0 8. h3 c5 9. c3 cxd4 10. exd4 Nc6 11. Bd3 Re8 12. 0-0 Bf5 13. Bxf5 gxf5 14. Rae1 e6 15. Re3 Kh8 16. Rfe1 Rg8 17. Ng5 Qf6 18. Rg3 h6 19. Nf3 Kh7 20. h4 Bf8 21. Qe2 Rxg3 22. fxg3 Bg7 23. Rf1 Rg8 24. Kh2 Bf8 25. Be5 Nxe5 26. Nxe5 Bd6 27. Rf4 Qg7 28. Qe3 f6 29. Nd3 Bxf4 30. Nxf4 e5 31. Nxd5 f4 32. Qd3+ Kh8 33. h5 fxg3+ 34. Kg1 Qg5 35. Kf1 exd4 36. Qxd4 Re8 37. Nf4 Qb5+ 38. c4 Qc6 39. b3 Kg7 40. Nd5 Qe6 41. Qd2 Qf5+ 42. Nf4 Re4 43. Kg1 Rxf4 44. Qe2 Qb1+ 0-1

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "1"]
[White "Barrientos Chavarriaga, Sergio E"]
[Black "Vasques, Antonio Pedro Freix"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2479"]
[BlackElo "2213"]
[PlyCount "63"]
[EventDate "2023.01.10"]
[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. Bg5 Ne4 3. Bf4 c5 4. e3 d5 5. Nf3 Nc6 6. Nbd2 Bg4 7. c3 e6 8. Bb5 Be7 9. h3 Nxd2 10. hxg4 Ne4 11. Ne5 Rc8 12. Qa4 Qb6 13. 0-0 0-0 14. Nd7 Qd8 15. Nxf8 Bxf8 16. Bxc6 Rxc6 17. Qxa7 cxd4 18. cxd4 Rc2 19. Rac1 Rxb2 20. Rb1 Rxb1 21. Rxb1 Qh4 22. g3 Qxg4 23. Qxb7 h5 24. Qc8 h4 25. Rb8 Qd1+ 26. Kh2 hxg3+ 27. Bxg3 Nxg3 28. Qxf8+ Kh7 29. Qh8+ Kg6 30. Kxg3 f5 31. Qh3 Qf1 32. Qxf1 1-0

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "4"]
[White "Danielyan, Vahe"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2307"]
[BlackElo "2479"]
[PlyCount "100"]
[EventDate "2023.01.10"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Nf3 Bg4 7. 0-0 e6 8. h3 Bh5 9. Be3 Bd6 10. Nbd2 Nge7 11. Rc1 0-0 12. Qc2 Bg6 13. Bxg6 hxg6 14. Rfe1 Rac8 15. Qb1 b5 16. b4 Nf5 17. Nb3 Rfe8 18. Bd2 Bf8 19. Qd3 a6 20. a4 Nd6 21. a5 Nc4 22. Nc5 Bxc5 23. dxc5 Rcd8 24. Bg5 f6 25. Qxg6 Qf7 26. Qxf7+ Kxf7 27. Be3 e5 28. Rcd1 Rd7 29. Nd2 Nxe3 30. fxe3 Red8 31. Nf3 g5 32. Nh2 Kg6 33. g4 d4 34. exd4 exd4 35. cxd4 Nxd4 36. Kf2 Nc6 37. Rxd7 Rxd7 38. Re6 Nxb4 39. Nf3 Nd3+ 40. Ke3 Nxc5 41. Rc6 Rd3+ 42. Ke2 Rd5 43. Ke3 b4 44. Rb6 b3 45. h4 gxh4 46. g5 h3 47. Rxf6+ Kg7 48. Rh6 b2 49. Rb6 Rd3+ 50. Kf2 Rb3 0-1

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "7"]
[White "Jimenez Almeida, Luis David"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2241"]
[BlackElo "2479"]
[PlyCount "77"]
[EventDate "2023.01.10"]
[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 c6 2. Nc3 d5 3. Qf3 e6 4. Nh3 Nd7 5. d4 Ngf6 6. e5 Ng8 7. Bd3 h6 8. Nf4 Ne7 9. Nh5 Nb6 10. h4 Qc7 11. g4 Nd7 12. g5 hxg5 13. hxg5 Rg8 14. Bd2 g6 15. Nf6+ Nxf6 16. gxf6 Nf5 17. Bxf5 exf5 18. 0-0-0 Be6 19. Rh7 0-0-0 20. Ne2 c5 21. Nf4 Qb6 22. Be3 cxd4 23. Bxd4 Qa6 24. Kb1 Kb8 25. Rdh1 Bb4 26. Qb3 Bd2 27. Nd3 Qc4 28. Nc5 Qxb3 29. axb3 Rde8 30. Nxe6 Rxe6 31. Rxf7 Bf4 32. Rhh7 Bxe5 33. Rxb7+ Ka8 34. Rxa7+ Kb8 35. Bxe5+ Rxe5 36. Rae7 Rxe7 37. Rxe7 Rd8 38. f7 Kc8 39. Re8 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "4"]
[White "Moskvin, Anatoly"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2189"]
[BlackElo "2479"]
[PlyCount "67"]
[EventDate "2023.01.10"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Nbd7 8. Be2 b6 9. 0-0 Bb7 10. Be3 Qc7 11. Rc1 Be7 12. Qd2 0-0 13. Rfd1 Rfe8 14. Bf1 Rac8 15. Qf2 Qb8 16. a3 Bd8 17. Kh1 Bc7 18. h3 h6 19. b4 Ne5 20. Nb3 Ned7 21. Na4 Bc6 22. b5 axb5 23. cxb5 Ba8 24. Rxc7 Qxc7 25. Nxb6 Qxb6 26. Bxb6 Nxb6 27. Qxb6 d5 28. e5 Nd7 29. Qd4 f6 30. f4 fxe5 31. fxe5 Red8 32. a4 Rf8 33. Bd3 Rb8 34. Nc5 1-0

[Event "Titled Tuesday intern op 10th Jan Late"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "2"]
[White "Nakamura, Hikaru"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2768"]
[BlackElo "2479"]
[PlyCount "49"]
[EventDate "2023.01.10"]
[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. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. g3 Nbd7 5. Bg2 e6 6. Nh4 Bg4 7. h3 Bh5 8. g4 Bg6 9. d3 c6 10. e3 a5 11. a3 Qc7 12. Nd2 Be7 13. Qe2 b5 14. 0-0 a4 15. b4 Rg8 16. c4 h5 17. g5 Nh7 18. Nxg6 fxg6 19. h4 Nhf8 20. cxb5 cxb5 21. Rac1 Qb7 22. e4 Nb6 23. Bd4 Nfd7 24. exd5 e5 25. d6 1-0

[Event "Titled Tuesday intern op 10th Jan Early"]
[Site "Chess.com INT"]
[Date "2023.01.10"]
[Round "2"]
[White "Nepomniachtchi, Ian"]
[Black "Barrientos Chavarriaga, Sergio E"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2793"]
[BlackElo "2479"]
[PlyCount "53"]
[EventDate "2023.01.10"]
[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 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. f3 a6 7. Be3 Nbd7 8. Bc4 b5 9. Bb3 Bb7 10. Qd2 Bg7 11. Bh6 Bxh6 12. Qxh6 Rc8 13. 0-0-0 Rxc3 14. bxc3 Qc7 15. Kb2 Ne5 16. Rhe1 Nfd7 17. f4 Nc4+ 18. Bxc4 Qxc4 19. Qg7 Rf8 20. e5 dxe5 21. Nb3 Nb6 22. Qxe5 Na4+ 23. Kc1 e6 24. Qd6 Qc8 25. Re3 Nxc3 26. Rxc3 Qxc3 27. Qd7# 1-0

