[Event "North American-ch U20"]
[Site "Charlotte"]
[Date "2020.12.19"]
[Round "2"]
[White "Sandoval Mercado, Carlos"]
[Black "Orellana, Juan"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2298"]
[BlackElo "2089"]
[PlyCount "139"]
[EventDate "2020.12.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Bd6 11. a3 Nf6 12. Nbd2 0-0 13. Qd3 Kh8 14. g3 e5 15. Kg2 Ne7 16. Nc4 Ng6 17. h3 Qb5 18. Re1 Nd7 19. b4 Nb6 20. Ncxe5 Qe8 21. Nxg6+ Qxg6 22. Bb2 c5 23. bxc5 Bxc5 24. Rac1 Na4 25. Bxd4 Bxd4 26. Qxd4 Nb6 27. Rc7 Rbd8 28. Qc3 Nc8 29. Re2 Nd6 30. a4 Nc8 31. Nh4 Qf6 32. e5 Qe6 33. Nf3 h6 34. a5 Rde8 35. Qc6 Qxc6 36. Rxc6 Ne7 37. Rc7 Nd5 38. Rxa7 Ra8 39. Rxa8 Rxa8 40. e6 Ne7 41. Ra2 Nc6 42. a6 Kg8 43. Nh4 Nb4 44. Ra4 Nxa6 45. Ng6 Nc7 46. Rxa8+ Nxa8 47. f4 Nc7 48. f5 h5 49. Kf3 Nd5 50. Ke4 Nc7 51. Ke5 Nb5 52. Kd5 Nc7+ 53. Kc6 Ne8 54. Kd7 Nf6+ 55. Kd8 Kh7 56. e7 Kh6 57. e8Q Nxe8 58. Kxe8 Kg5 59. Nh4 Kf6 60. Kf8 Kg5 61. Ke7 Kh6 62. f6 gxf6 63. Kxf6 Kh7 64. Kg5 Kg7 65. Kxh5 Kh7 66. g4 Kg7 67. g5 Kh7 68. g6+ Kh8 69. Kh6 Kg8 70. g7 1-0

[Event "US Class Master"]
[Site "Dulles"]
[Date "2020.11.01"]
[Round "5"]
[White "Orellana, Juan"]
[Black "Johnson, Donald"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2104"]
[BlackElo "1857"]
[PlyCount "136"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 e6 6. cxd4 d6 7. a3 Be7 8. Bd3 0-0 9. 0-0 Bd7 10. Qc2 h6 11. Nc3 Nxc3 12. Qxc3 Re8 13. Bf4 Bc6 14. Bb1 dxe5 15. dxe5 Nd7 16. Rd1 Qc7 17. Qd3 Nf8 18. Re1 Red8 19. Qe3 Rac8 20. Be4 Bxe4 21. Qxe4 Qc6 22. Qxc6 Rxc6 23. Rac1 Rdc8 24. Rxc6 Rxc6 25. Rc1 Rxc1+ 26. Bxc1 Ng6 27. Bd2 Bd8 28. g3 Bc7 29. Bc3 Kf8 30. Kf1 Ke7 31. Ke2 Kd7 32. Kd3 Kc6 33. Nd4+ Kd5 34. f4 Bb6 35. Ne2 Nf8 36. b4 a6 37. Bb2 Ba7 38. Nc3+ Kc6 39. Ne4 Nd7 40. Bd4 Bb8 41. Nc3 b5 42. Ne4 Nb6 43. Bxb6 Kxb6 44. Nc5 Bc7 45. Ke4 a5 46. g4 axb4 47. axb4 g6 48. h3 Kc6 49. Nb3 Bd8 50. Nd4+ Kb6 51. Nc2 Kc6 52. Nd4+ Kb6 53. Nc2 Be7 54. Kd4 Kc6 55. Ke4 Kb6 56. Kd4 g5 57. fxg5 hxg5 58. Ke4 Kc6 59. Nd4+ Kb6 60. Nc2 Bf8 61. Kd4 Bg7 62. Ke4 Kc6 63. Nd4+ Kb6 64. Nc2 Kb7 65. Nd4 Ka6 66. Nc2 Kb6 67. Nd4 Bh6 68. Nf3 Kc6 1/2-1/2

[Event "US Class Master"]
[Site "Dulles"]
[Date "2020.11.01"]
[Round "3"]
[White "Orellana, Juan"]
[Black "Zaloznyy, Mike"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2104"]
[BlackElo "1989"]
[PlyCount "107"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Bd6 7. Be3 h6 8. h3 Be6 9. 0-0-0 Ke7 10. a3 c6 11. Nd2 b5 12. Nb3 Nbd7 13. f3 a5 14. a4 b4 15. Nb1 Bxb3 16. cxb3 Bc5 17. Bxc5+ Nxc5 18. Kc2 Ne6 19. Nd2 Nd7 20. Kb1 Nd4 21. Ka2 Rhd8 22. Bc4 Nb6 23. Rc1 Rd6 24. Nf1 Rad8 25. Ne3 Rg6 26. Rhd1 Rgd6 27. Re1 g6 28. Ng4 Nxc4 29. Rxc4 f6 30. Rc5 Ne6 31. Rxa5 Rd2 32. Ra7+ Kd6 33. Ne3 Kc5 34. Nc4 R2d3 35. Rc1 Kd4 36. Na5 Ke3 37. Rxc6 Nd4 38. Rc4 Rd1 39. Rc5 Ne2 40. Nc4+ Kd3 41. Nb6 Nc3+ 42. bxc3 Rd2+ 43. Kb1 bxc3 44. Nd5 Rb2+ 45. Kc1 Rc2+ 46. Kb1 Rb2+ 47. Kc1 Rc2+ 48. Kd1 Rd2+ 49. Ke1 Re2+ 50. Kf1 Rxd5 51. exd5 Rb2 52. Rac7 c2 53. Rxc2 Rxb3 54. R2c3+ 1-0

[Event "US Class Master"]
[Site "Dulles"]
[Date "2020.11.01"]
[Round "4"]
[White "Yanayt, Eugene"]
[Black "Orellana, Juan"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2173"]
[BlackElo "2104"]
[PlyCount "145"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. c4 c6 7. Nc3 Nbd7 8. Qb3 Qb6 9. h3 Be7 10. g4 Bh7 11. c5 Qc7 12. Re1 0-0 13. g5 hxg5 14. Bxg5 Rfe8 15. e3 Nh5 16. Qd1 Qd8 17. Bxe7 Qxe7 18. Nd2 Qg5 19. f4 Qh6 20. Qf3 Ndf6 21. Bf1 Kh8 22. Re2 Rg8 23. h4 Bf5 24. Rg2 g6 25. b4 Rg7 26. Rh2 a6 27. a4 Rh7 28. Ra2 Ng7 29. Rb2 Bg4 30. Qf2 Nf5 31. e4 dxe4 32. Ndxe4 Nxe4 33. Nxe4 Kg7 34. Ng5 Rhh8 35. b5 axb5 36. axb5 Rhb8 37. bxc6 bxc6 38. Qg2 Ne3 39. Qe4 Rxb2 40. Rxb2 Nxf1 41. Qe5+ Kg8 42. Rb8+ Rxb8 43. Qxb8+ Qf8 44. Qxf8+ Kxf8 45. Kxf1 Bd1 46. Kf2 Ke7 47. Ke3 Bc2 48. Nf3 f6 49. Nd2 Kf7 50. Nf1 Bf5 51. Kd2 Be4 52. Ng3 Bd5 53. Kc3 Kg7 54. Kb4 Kf7 55. Ka5 Ke7 56. Kb6 e5 57. dxe5 fxe5 58. fxe5 Ke6 59. Nf1 Kxe5 60. Ne3 Bf3 61. Nc4+ Ke6 62. Nb2 Be4 63. Nc4 Bd5 64. Na5 Kd7 65. Nb7 Bh1 66. Nd6 Bd5 67. Kb7 Ba2 68. Nc8 Bd5 69. Nb6+ Ke6 70. Nxd5 cxd5 71. c6 d4 72. c7 d3 73. c8Q+ 1-0

