[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.27"]
[Round "9"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Fuentes De Feria, Hector Luis"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2340"]
[BlackElo "2120"]
[PlyCount "80"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 d6 8. a3 Na5 9. Ba2 c5 10. Nc3 Be6 11. Bg5 0-0 12. Bxf6 Bxf6 13. Nd5 g6 14. Qd2 Nc6 15. c3 Bg7 16. Ng5 Ne7 17. Nxe6 fxe6 18. Ne3 d5 19. Qe2 Qd6 20. Qg4 Rf4 21. Qh3 Rd8 22. b4 cxb4 23. axb4 Kh8 24. Bb3 d4 25. cxd4 exd4 26. Ng4 e5 27. Nh6 Bxh6 28. Qxh6 Qxb4 29. Qg5 Qd6 30. Bd5 Nxd5 31. exd5 Rf5 32. Qh4 Ra8 33. Rfc1 b4 34. Rc6 Qxd5 35. Rxg6 b3 36. Qh6 Qb7 37. Rb6 Qf7 38. Raxa6 Rf8 39. f3 Rg8 40. Rf6 b2 0-1

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.26"]
[Round "8"]
[White "Rosabal Contreras, Yonisbel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "2223"]
[BlackElo "2340"]
[PlyCount "105"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. f4 0-0 10. e5 dxe5 11. fxe5 Nfd7 12. Be3 Nxe5 13. Qh5 Nbc6 14. Nxc6 Nxc6 15. Rf3 Qd6 16. Rh3 h6 17. Rf1 Qe5 18. Qf3 Bc5 19. Bxc5 Qxc5+ 20. Kh1 f5 21. Re1 Ra7 22. Qg3 Kh7 23. Bxe6 Re7 24. Bxc8 Rxe1+ 25. Qxe1 Rxc8 26. Rd3 b4 27. Nd5 Qxc2 28. Qf1 Rf8 29. h3 Qxb2 30. Nf4 Nd4 31. Rxd4 Qxd4 32. Ne6 Qf6 33. Nxf8+ Qxf8 34. Qxa6 Qc5 35. Qe6 h5 36. Qf7 Kh6 37. Qg8 Qc1+ 38. Kh2 Qc7+ 39. Kh1 Kg5 40. Qe6 Qc1+ 41. Kh2 Qf4+ 42. Kg1 Qe4 43. Qd6 Qe1+ 44. Kh2 h4 45. Qd8+ Kf4 46. Qd4+ Qe4 47. Qxg7 Ke3 48. Qb2 Qc4 49. Kg1 Kd3 50. Qb1+ Kc3 51. Qc1+ Kd3 52. Qf1+ Kc3 53. Qc1+ 1/2-1/2

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.25"]
[Round "7"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Perez Rodriguez, Cesar Alejandro"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2340"]
[BlackElo "2317"]
[PlyCount "88"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 Re8+ 9. Ne2 h5 10. Be3 Nd7 11. 0-0-0 b5 12. Kb1 Nb6 13. Bc1 Be6 14. Rhe1 Bc4 15. Ng3 Bxg3 16. Rxe8+ Qxe8 17. hxg3 Bxd3 18. Qxd3 Qe6 19. Qf3 g6 20. b3 a5 21. Bd2 a4 22. Re1 Qd6 23. Bf4 Qd7 24. Bc1 axb3 25. axb3 Nd5 26. Bb2 f5 27. Kc2 Nf6 28. Qd3 Qd6 29. Qd2 Ne4 30. Qe3 Ra2 31. Ra1 Rxa1 32. Bxa1 g5 33. Bb2 Kh7 34. c4 bxc4 35. bxc4 Kg6 36. d5 cxd5 37. Qd4 Nf6 38. cxd5 Ne8 39. Qc4 f6 40. Qc6 Kf7 41. Kd3 Qe7 42. f3 Kg6 43. Bd4 Qa3+ 44. Kc2 Nd6 1/2-1/2

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.24"]
[Round "6"]
[White "Charon Mustelier, Manuel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2141"]
[BlackElo "2340"]
[PlyCount "90"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nf6 3. Nbc3 d6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. h3 Bd7 9. 0-0 Nc6 10. Nde2 a6 11. a4 Rb8 12. Nf4 b5 13. axb5 axb5 14. Ncd5 Nxd5 15. Nxd5 b4 16. Ra2 Be6 17. b3 Bxd5 18. exd5 Nd4 19. Bb2 Nb5 20. Bxg7 Kxg7 21. Qd3 Qb6 22. Rfa1 Rfc8 23. Ra4 Qd4 24. Rd1 Qc5 25. Re1 Rb7 26. h4 Na3 27. Qa6 Rcc7 28. Re4 Ra7 29. Qe2 Rxa4 30. bxa4 Qxc2 31. Qe3 Nc4 32. Qd4+ f6 33. Re1 b3 34. Be4 Qd2 35. Rd1 Qxd4 36. Rxd4 b2 37. Kg2 Na3 38. Rb4 Rc4 39. Rxc4 Nxc4 40. f4 Nd2 41. Bd3 b1Q 42. Bxb1 Nxb1 43. a5 Nc3 44. a6 Nxd5 45. a7 Nb6 0-1

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.24"]
[Round "5"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Torres Valiente, Brayan"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2340"]
[BlackElo "2256"]
[PlyCount "138"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d5 6. Nbd2 Be7 7. 0-0 0-0 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 a4 12. a3 b4 13. Bf4 bxa3 14. bxa3 Rb8 15. c4 Nb6 16. cxd5 Nxd5 17. Qxa4 Nxf4 18. gxf4 Bb7 19. Qc2 Na5 20. N1d2 Bc6 21. Qc3 Bd5 22. Reb1 Rxb1+ 23. Rxb1 Qa8 24. Rb5 Nc6 25. Ne4 Qa6 26. Rb1 c4 27. Nfd2 cxd3 28. Nc5 Bxc5 29. Qxc5 Qa4 30. Bxd5 exd5 31. Qxd5 Qxf4 32. Qxc6 Qxd2 33. Qd6 h5 34. Rb4 Qc1+ 35. Kg2 Qxa3 36. Rd4 Qa8+ 37. Qd5 Qc8 38. Qe4 Rd8 39. Rxd3 Rxd3 40. Qxd3 Qg4+ 41. Qg3 Qe4+ 42. Kh2 Kh7 43. Qg5 Qf3 44. Qg3 Qf5 45. f4 Kh6 46. Qf3 Qc2+ 47. Kg3 Qc1 48. Kh3 Qe1 49. Qc6+ Kh7 50. Qf3 g6 51. Qg2 Qe3+ 52. Qg3 Qe4 53. Qg5 Qd3+ 54. Kg2 Qd5+ 55. Kf2 Qa2+ 56. Ke3 Qa3+ 57. Kd4 Qb4+ 58. Kd5 Qb5+ 59. Ke4 Qc5 60. f5 Qc4+ 61. Ke3 Qc1+ 62. Ke4 Qc4+ 63. Kf3 Qd5+ 64. Kf4 Qd4+ 65. Kf3 Qd3+ 66. Kf4 Qd2+ 67. Kg3 Qxg5+ 68. hxg5 gxf5 69. Kf4 Kg6 0-1

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.23"]
[Round "4"]
[White "Ochoa de la Rosa, Manuel Dario"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2399"]
[BlackElo "2340"]
[PlyCount "114"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. e3 Nc6 10. Bb2 Qa5 11. Qe2 Nd5 12. Rac1 Nb6 13. Nd2 cxd4 14. cxd4 Be6 15. Ne4 Na4 16. Nc5 Nxb2 17. Qxb2 Bc8 18. Qb3 e6 19. Nc4 Qc7 20. Rfd1 Rb8 21. Qb5 Ne7 22. Ne5 Bxe5 23. Nd3 Bd7 24. Rxc7 Bxb5 25. Nxe5 Nc6 26. Bxc6 Bxc6 27. Nxc6 bxc6 28. Rc1 a5 29. Ra7 Rb2 30. Rxa5 Rfb8 31. Ra3 Rd2 32. Rb3 Rxb3 33. axb3 Rb2 34. Rxc6 Rxb3 35. g4 h6 36. h4 Kg7 37. Rc7 Rb5 38. Kg2 Rb2 39. Rd7 Rd2 40. Kg3 Rd1 41. Kg2 Rd2 42. g5 hxg5 43. hxg5 e5 44. Rd8 exd4 45. exd4 Ra2 46. d5 Ra7 47. d6 Ra5 48. f4 Ra3 49. Kf2 f5 50. Rd7+ Kf8 51. Ke2 Ra4 52. Kd3 Rxf4 53. Rb7 Ke8 54. Rg7 Rg4 55. Rxg6 Kd7 56. Ke3 Re4+ 57. Kf3 Rg4 1/2-1/2

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.22"]
[Round "3"]
[White "Lavigne Lopez, Raul Leonardo"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2194"]
[BlackElo "2340"]
[PlyCount "38"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 b6 5. Bg2 Bb7 6. 0-0 0-0 7. c4 c5 8. d4 cxd4 9. Qxd4 d6 10. Nc3 Ne4 11. Qd3 Nxc3 12. Bxc3 Bxc3 13. Qxc3 Nd7 14. h4 Nf6 15. Ng5 Qc7 16. Bxb7 Qxb7 17. Qf3 Qxf3 18. Nxf3 Rac8 19. Rfe1 Ne4 1/2-1/2

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.21"]
[Round "2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Alvarez Calzadilla, Jose Avelino"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2340"]
[BlackElo "2317"]
[PlyCount "63"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d5 6. Nbd2 Be7 7. 0-0 Qc7 8. Re1 h6 9. a3 0-0 10. e5 Nh7 11. Nf1 Bd7 12. h4 Rfd8 13. Bf4 Bf8 14. Qd2 b5 15. g4 b4 16. a4 c4 17. dxc4 dxc4 18. Qe2 c3 19. b3 Bc8 20. Rad1 Bb7 21. Qc4 Rac8 22. Ne3 a6 23. g5 Qe7 24. Qe2 hxg5 25. hxg5 Na5 26. Nd4 Qc5 27. Bxb7 Nxb7 28. Nxe6 fxe6 29. g6 Nf6 30. exf6 gxf6 31. Ng4 Bg7 32. Qxe6+ 1-0

[Event "Santiago Oriental zt"]
[Site "Santiago"]
[Date "2024.01.21"]
[Round "1"]
[White "Roll Renford, Evelio Amaurys"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "2247"]
[BlackElo "2340"]
[PlyCount "78"]
[EventDate "2024.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. Be3 Be7 9. f3 0-0 10. Qd2 Bd7 11. g4 Nc6 12. g5 Nxd4 13. Bxd4 Nh5 14. Rg1 Qc7 15. f4 a5 16. a4 bxa4 17. Bxa4 Bxa4 18. Rxa4 Rfe8 19. Qe3 Rab8 20. b3 d5 21. Be5 Bd6 22. Bxd6 Qxd6 23. e5 Qc7 24. Kd2 Rec8 25. Qd3 Rb6 26. Ne2 Qc5 27. Rf1 g6 28. Qc3 Qxc3+ 29. Nxc3 Rbc6 30. Rf3 Rc5 31. Rd4 Ng7 32. Ra4 Nh5 33. Rd4 Kf8 34. Ra4 Ke7 35. Rd3 R8c7 36. Rf3 Kf8 37. Rd3 Kg7 38. Rf3 Kf8 39. Rd3 Ng7 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.21"]
[Round "10.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Solares Orozco, Kebert"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2295"]
[BlackElo "2299"]
[PlyCount "40"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 a6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. 0-0 Bd6 11. Bxd6 Qxd6 12. Rfc1 0-0 13. a3 Rfc8 14. Na4 Nd7 15. Nc5 Rc7 16. Rc3 Nxc5 17. Rxc5 b6 18. Rc3 Ne7 19. Rac1 Rxc3 20. Rxc3 f6 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.20"]
[Round "8.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Castellanos Sanchez, Carlos Manuel"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2295"]
[BlackElo "2268"]
[PlyCount "64"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nc6 8. e4 Nxc3 9. bxc3 b6 10. 0-0 Ba6 11. Re1 Na5 12. e5 Rc8 13. Bg5 f6 14. Bf4 c5 15. Bh3 f5 16. d5 Bb7 17. d6 a6 18. Bg2 Qd7 19. Qe2 h6 20. h4 Kh7 21. Rad1 b5 22. Rb1 exd6 23. a4 Bc6 24. exd6 Rce8 25. Qa2 Nc4 26. axb5 axb5 27. Rxe8 Rxe8 28. Qa6 Rc8 29. Nd2 Nxd2 30. Bxd2 Bxg2 31. Kxg2 Rc6 32. Qxb5 Qxd6 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.20"]
[Round "9.2"]
[White "Rodriguez Dosina, Adrian"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2285"]
[BlackElo "2295"]
[PlyCount "71"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 Nd4 8. Nf3 Ne7 9. 0-0 0-0 10. Rab1 Nec6 11. Ne2 b5 12. Nfxd4 cxd4 13. Bh6 e5 14. Bxg7 Kxg7 15. f4 Qa5 16. c3 Bg4 17. Nc1 f6 18. f5 g5 19. Rf2 Bh5 20. Bf1 dxc3 21. bxc3 b4 22. cxb4 Qb6 23. Be2 Bf7 24. Bd1 Nd4 25. Kg2 Rac8 26. Nb3 d5 27. a3 Rfd8 28. Qb2 dxe4 29. dxe4 Bxb3 30. Bxb3 Qc6 31. Bd5 Rxd5 32. exd5 Qxd5+ 33. Kg1 Nf3+ 34. Kf1 Nd4 35. Kg1 Nf3+ 36. Kf1 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.19"]
[Round "6.1"]
[White "Gallo Garcia, Kemel Antonio"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2290"]
[BlackElo "2295"]
[PlyCount "62"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e4 d6 7. f3 Nc6 8. Be3 Bd7 9. Qd2 a6 10. Nxc6 Bxc6 11. Bd3 0-0 12. 0-0 a5 13. Ne2 a4 14. Nd4 Nd7 15. b4 axb3 16. axb3 Nc5 17. Rxa8 Qxa8 18. b4 Nxd3 19. Nxc6 bxc6 20. Qxd3 Bb2 21. Qb3 Qa3 22. Qxa3 Bxa3 23. Rb1 Rb8 24. Bd2 Kf8 25. Kf1 Ke8 26. Ke2 Kd7 27. Kd3 Kc7 28. Kc2 f5 29. c5 Rb7 30. cxd6+ exd6 31. exf5 gxf5 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.19"]
[Round "7.3"]
[White "Parra Cabrera, Edilmar"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2285"]
[BlackElo "2295"]
[PlyCount "46"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 b6 7. Rc1 Bb7 8. Be2 Nbd7 9. 0-0 a6 10. h3 Rc8 11. a3 h6 12. Bh4 c5 13. dxc5 Nxc5 14. b4 Nce4 15. Nxe4 Nxe4 16. Bxe7 Qxe7 17. Nd2 Nxd2 18. Qxd2 dxc4 19. Rxc4 Rxc4 20. Bxc4 Rd8 21. Qe2 b5 22. Bb3 Qg5 23. f3 Bd5 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.18"]
[Round "4.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Rodriguez Dosina, Adrian"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2295"]
[BlackElo "2285"]
[PlyCount "81"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. c4 e5 4. Nc3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Ne1 0-0 8. Nc2 Rb8 9. a3 Nd4 10. b4 b6 11. Ne3 d6 12. Ned5 Nxd5 13. Bxd5 Bb7 14. e3 Bxd5 15. Nxd5 Ne6 16. e4 Nc7 17. Nxc7 Qxc7 18. b5 f5 19. d3 Qd7 20. f3 h5 21. Kg2 f4 22. g4 Bf6 23. Bd2 Ra8 24. a4 hxg4 25. fxg4 a6 26. Qf3 Bg5 27. Rfb1 axb5 28. Rxb5 Ra6 29. a5 bxa5 30. Raxa5 Rfa8 31. Be1 Bd8 32. Rxa6 Rxa6 33. Rb2 Ra1 34. Bf2 Qa7 35. g5 Qe7 36. h4 Qd7 37. Qh3 Qxh3+ 38. Kxh3 Kf7 39. Rb7+ Be7 40. Kg4 Rf1 41. Kf3 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.18"]
[Round "5.3"]
[White "Solares Orozco, Kebert"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2299"]
[BlackElo "2295"]
[PlyCount "58"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 axb5 6. e4 Qa5+ 7. Bd2 b4 8. Na3 d6 9. Nc4 Qd8 10. a3 e6 11. dxe6 Bxe6 12. Ne3 d5 13. exd5 Nxd5 14. Bb5+ Bd7 15. Nxd5 Bxb5 16. Bg5 f6 17. Nxf6+ gxf6 18. Qxd8+ Kxd8 19. Bxf6+ Kc7 20. Bxh8 Nc6 21. Bf6 c4 22. a4 Re8+ 23. Kd1 Ba6 24. Nh3 Re6 25. Bh8 Bh6 26. f4 Re8 27. Bf6 Re6 28. Bh8 Re8 29. Bf6 Re6 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.17"]
[Round "3.2"]
[White "Castellanos Sanchez, Carlos Manuel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2268"]
[BlackElo "2295"]
[PlyCount "31"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. a4 bxa4 14. Rxa4 a5 15. Bc4 Rb8 16. b3 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.17"]
[Round "2.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Parra Cabrera, Edilmar"]
[Result "1/2-1/2"]
[ECO "C99"]
[WhiteElo "2295"]
[BlackElo "2285"]
[PlyCount "30"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. d5 Nb4 15. Bb1 a5 1/2-1/2

[Event "Las Tunas Guerrero Memorial-A"]
[Site "Las Tunas"]
[Date "2020.02.16"]
[Round "1.1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Gallo Garcia, Kemel Antonio"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2295"]
[BlackElo "2290"]
[PlyCount "28"]
[EventDate "2020.02.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "2"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d5 4. 0-0 e5 5. d3 Ne7 6. e4 0-0 7. exd5 Nxd5 8. Re1 Nc6 9. Na3 h6 10. Nc4 Re8 11. a4 Bf5 12. Nh4 Be6 13. Nf3 Bf5 14. Nh4 Be6 1/2-1/2

[Event "Carlos Torre Memorial op 31st"]
[Site "Merida"]
[Date "2019.12.17"]
[Round "8"]
[White "Lopez Gonzalez, Abel Fabian"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2379"]
[BlackElo "2304"]
[PlyCount "27"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 e6 6. Nc3 Bb7 7. Bxc4 exd5 8. exd5 d6 9. Nf3 Be7 10. 0-0 0-0 11. Re1 Nbd7 12. Qe2 Re8 13. Qd3 Bf8 14. Rxe8 1/2-1/2

[Event "Carlos Torre Memorial op 31st"]
[Site "Merida"]
[Date "2019.12.15"]
[Round "4"]
[White "Fernandez Cardoso, Alexey"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2441"]
[BlackElo "2304"]
[PlyCount "63"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. f4 d6 7. Be3 b5 8. Bd3 Bb7 9. Qf3 Nf6 10. g4 Nfd7 11. 0-0-0 Nc6 12. Kb1 Be7 13. g5 Rc8 14. Qh3 Nxd4 15. Bxd4 e5 16. fxe5 dxe5 17. Be3 g6 18. Nd5 Bxd5 19. exd5 0-0 20. Qg2 Rfe8 21. h4 Bf8 22. Be4 Qd6 23. h5 Bg7 24. hxg6 hxg6 25. Rh4 Nc5 26. Bxc5 Rxc5 27. Rdh1 Rc4 28. Rh7 Kf8 29. Bd3 Rf4 30. Qh3 e4 31. Rxg7 Qe5 32. Qh8+ 1-0

[Event "Carlos Torre Memorial op 31st"]
[Site "Merida"]
[Date "2019.12.14"]
[Round "2"]
[White "Miranda Mesa, Elier"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2477"]
[BlackElo "2304"]
[PlyCount "47"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. 0-0 d6 8. f4 Be7 9. Be3 0-0 10. a4 Nc6 11. Kh1 Bd7 12. Nb3 Na5 13. e5 dxe5 14. fxe5 Nd5 15. Nxd5 exd5 16. Nxa5 Qxa5 17. Bd3 Be6 18. Qh5 g6 19. Qe2 Rfe8 20. Qf2 Qc7 21. Qg3 Bf8 22. Bg5 Bg7 23. Rae1 Bd7 24. e6 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.29"]
[Round "10.2"]
[White "Aguilera Rodriguez, Alfredo R"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2372"]
[BlackElo "2347"]
[PlyCount "32"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. a3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 c5 7. Nc3 Nc6 8. d3 e5 9. Rb1 Bf5 10. b4 Qd7 11. b5 Nd4 12. Nxd4 exd4 13. Nd5 Nxd5 14. cxd5 Bh3 15. Bxh3 Qxh3 16. Bf4 Rad8 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.28"]
[Round "9.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Elias Reyes, Jorge Roberto"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2347"]
[BlackElo "2328"]
[PlyCount "33"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Nxc6 bxc6 11. exd5 Nxd5 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Qb5 Qc7 16. Qc5 Qb7 17. Qb5 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.27"]
[Round "8.3"]
[White "Gonzalez Parra, Harold Manuel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2299"]
[BlackElo "2347"]
[PlyCount "44"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 0-0 8. Be3 Nc6 9. 0-0 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. Rac1 a4 14. Nd5 Nd7 15. Bxg7 Kxg7 16. f4 Bxd5 17. exd5 Qb6+ 18. Kh1 Nf6 19. Bf3 Rfc8 20. Rfe1 Rc7 21. Re3 Qa5 22. Rec3 Rxc4 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.26"]
[Round "7.1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Garcia Matos, Richard Alejandro"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2347"]
[BlackElo "2334"]
[PlyCount "80"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. b3 Nbd7 6. Bb2 a5 7. a3 Qb8 8. d3 e5 9. Nbd2 Bd6 10. h3 Bh5 11. Nh4 0-0 12. g4 Bg6 13. e3 Rd8 14. Nxg6 hxg6 15. c4 g5 16. cxd5 cxd5 17. h4 Nb6 18. hxg5 Nh7 19. Nf3 Qc7 20. g6 fxg6 21. d4 e4 22. Nh4 Qf7 23. f4 exf3 24. Nxf3 Qe6 25. Ne5 Nd7 26. Qf3 Ndf6 27. Nxg6 Ng5 28. Qe2 Nfe4 29. Nf4 Qh6 30. Bxe4 Nxe4 31. Kg2 Qh4 32. Qf3 Bxf4 33. Qxf4 Rf8 34. Qe5 Qxg4+ 35. Kh2 Qe2+ 36. Kg1 Qxe3+ 37. Kh2 Qe2+ 38. Kg1 Qg4+ 39. Kh2 Rad8 40. Rae1 Rf2+ 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.25"]
[Round "6.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Quesada Vera, Liordis"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2347"]
[BlackElo "2360"]
[PlyCount "44"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bd2 d5 8. exd5 Bc5 9. Qd3 Qe7+ 10. Qe2 cxd5 11. Qxe7+ Kxe7 12. Bd3 Nb6 13. 0-0-0 Rd8 14. Rhe1+ Kf8 15. h3 h5 16. b3 Bd7 17. Kb2 Rac8 18. a3 Bc6 19. Ne5 Bf2 20. Re2 Bd4 21. Nf3 Bc5 22. Ne5 Bd4 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.24"]
[Round "5.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Aguilera Rodriguez, Alfredo R"]
[Result "1/2-1/2"]
[ECO "B49"]
[WhiteElo "2347"]
[BlackElo "2372"]
[PlyCount "23"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 Bb4 9. Na4 Be7 10. Nc3 Bb4 11. Na4 Be7 12. Nc3 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.23"]
[Round "4.2"]
[White "Elias Reyes, Jorge Roberto"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2328"]
[BlackElo "2347"]
[PlyCount "24"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. c3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nf6 8. 0-0 e6 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Nbd2 0-0 12. Rfe1 Rac8 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.22"]
[Round "3.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Gonzalez Parra, Harold Manuel"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2347"]
[BlackElo "2299"]
[PlyCount "95"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 d6 8. a3 0-0 9. Nc3 Be6 10. Nd5 Na5 11. Nxf6+ Bxf6 12. Bxe6 fxe6 13. b4 Nc6 14. c4 bxc4 15. dxc4 Nd4 16. Bb2 Nxf3+ 17. Qxf3 Bg5 18. Qe2 Qe8 19. Rad1 Be7 20. Rd3 Qc6 21. Rc1 Rf4 22. f3 Rff8 23. Rdd1 a5 24. b5 Qc5+ 25. Qf2 Qxf2+ 26. Kxf2 a4 27. c5 Rfb8 28. b6 dxc5 29. Bxe5 Rxb6 30. Rd7 Bf8 31. Rxc7 Rd8 32. Ra7 c4 33. Rxa4 Rd2+ 34. Kg3 Rb5 35. Bf4 Re2 36. Rcxc4 Rbb2 37. Ra8 Rxg2+ 38. Kh3 Rg6 39. Rcc8 Rf6 40. Bd6 Rh6+ 41. Kg3 Rg6+ 42. Kf4 Rf6+ 43. Ke3 Rb3+ 44. Kd4 Rbxf3 45. Rxf8+ Rxf8 46. Rxf8+ Rxf8 47. Bxf8 Kxf8 48. Ke5 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.21"]
[Round "2.1"]
[White "Garcia Matos, Richard Alejandro"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2334"]
[BlackElo "2347"]
[PlyCount "64"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Nbd7 8. a4 b6 9. Nd5 Nxd5 10. Qxd5 Rb8 11. Nc3 Nf6 12. Qd3 h6 13. Bg2 Be7 14. 0-0 0-0 15. b3 Qc7 16. Bb2 Qb7 17. Rfe1 b5 18. axb5 axb5 19. Nd1 Be6 20. Ne3 g6 21. f4 Qc7 22. Kh1 Rfc8 23. Rf1 Ng4 24. f5 Nxe3 25. Qxe3 Bg5 26. Qf2 gxf5 27. exf5 Bd7 28. Ra7 Qd8 29. h4 Bf6 30. Ra6 Qc7 31. Ra7 Qd8 32. Ra6 Qc7 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2019.03.20"]
[Round "1.3"]
[White "Quesada Vera, Liordis"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2360"]
[BlackElo "2347"]
[PlyCount "87"]
[EventDate "2019.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nge2 a6 6. 0-0 d6 7. h3 Be6 8. Nd5 Qd7 9. Kh2 Bxd5 10. exd5 Ne7 11. c4 Nf5 12. d3 h6 13. Bd2 a5 14. Nc3 0-0 15. Ne4 Qe7 16. Nxc5 dxc5 17. Qa4 Qd6 18. Rae1 g5 19. Qd1 b6 20. h4 gxh4 21. Bh3 Ng7 22. Bxh6 Nfh5 23. Bxg7 hxg3+ 24. fxg3 Nxg7 25. Bf5 Rae8 26. Qg4 Qh6+ 27. Kg2 Qh5 28. Qxh5 Nxh5 29. Rh1 Nf6 30. g4 Re7 31. Re3 Rd8 32. Reh3 Kg7 33. g5 Ng8 34. Rh8 Kf8 35. R1h7 Rd6 36. Kg3 b5 37. b3 a4 38. Kf3 bxc4 39. bxc4 a3 40. Ke4 Rb6 41. Rh6 Kg7 42. R8h7+ Kf8 43. Rxb6 cxb6 44. d6 1-0

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.28"]
[Round "11"]
[White "Fernandez de La Vara, Arnaldo"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2490"]
[BlackElo "2322"]
[PlyCount "49"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 Qc7 8. a3 Bxc3+ 9. Qxc3 Nxe4 10. Nb5 axb5 11. Qxg7 Rf8 12. Bh6 Qd6 13. cxb5 Qe7 14. Rc1 Nd6 15. Be2 b6 16. 0-0 Bb7 17. Rc7 f6 18. Bh5+ Kd8 19. Rfc1 Qxg7 20. Bxg7 Ke7 21. Bxf8+ Kxf8 22. Rd1 Bd5 23. Bf3 Ne8 24. Bxd5 exd5 25. Rc8 1-0

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.27"]
[Round "10"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Martinez Ramirez, Lennis"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2322"]
[BlackElo "2405"]
[PlyCount "153"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 b5 7. a3 a5 8. Be2 Bd7 9. 0-0 Nf6 10. h3 Na6 11. e5 Nd5 12. Nxd5 cxd5 13. Bd3 Qb6 14. Qe1 Nc7 15. c3 Bf5 16. Bxf5 gxf5 17. Bf2 0-0 18. Bh4 Rae8 19. Qb1 dxe5 20. fxe5 Qg6 21. a4 b4 22. cxb4 axb4 23. Be1 Qb6 24. Qxf5 f6 25. exf6 Rxf6 26. Qd7 Rd6 27. Qg4 Rg6 28. Qd7 Bxd4+ 29. Nxd4 Qxd4+ 30. Rf2 Qc5 31. Bxb4 Qxb4 32. Qxc7 Qd4 33. Qf4 Qg7 34. Qf3 d4 35. Qd5+ Kh8 36. Rd1 e5 37. a5 Rg3 38. a6 d3 39. Rxd3 Rg5 40. Qc6 Qg6 41. Qxg6 Rxg6 42. Ra3 Ra8 43. a7 Kg7 44. Re2 Re6 45. Re4 Kf6 46. Rb4 Re7 47. Ra6+ Kf5 48. Rba4 Rb7 49. b4 Ke4 50. b5+ Kd5 51. b6 Kc6 52. Ra1 Rf7 53. Rb1 Kb7 54. Ra5 Re8 55. Re1 Ra8 56. Rb5 Rc8 57. Rexe5 Rc1+ 58. Kh2 Rc8 59. Rb3 Rg7 60. Re6 Rcg8 61. g4 h5 62. Re4 h4 63. Rc4 Ra8 64. Rc7+ Rxc7 65. bxc7+ Kxc7 66. Ra3 Kc6 67. Kg2 Kb7 68. g5 Kc6 69. Kf3 Kd5 70. Kg4 Ke4 71. Ra5 Ke3 72. Ra4 Kf2 73. Ra3 Ke2 74. g6 Kd2 75. g7 Kc2 76. Kxh4 Kb2 77. Ra6 1-0

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.26"]
[Round "9"]
[White "Alvarez Calzadilla, Jose Avelino"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2286"]
[BlackElo "2322"]
[PlyCount "86"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Bg4 10. Be3 Nd4 11. Bxd4 exd4 12. Nd5 c6 13. h3 Bxf3 14. Nxf6+ Bxf6 15. Qxf3 Rc8 16. a4 Qb6 17. Qg3 d5 18. axb5 axb5 19. exd5 c5 20. d6 Rfd8 21. Bd5 Rxd6 22. Bb7 Rcd8 23. Ra6 Qc7 24. Re1 R6d7 25. Bc6 Qxg3 26. fxg3 Rc7 27. Bxb5 Rb7 28. Ra5 Bg5 29. Rea1 Rf8 30. b3 Bd2 31. Bc6 Bxa5 32. Bxb7 Bc3 33. Ra7 f5 34. Bd5+ Kh8 35. Kf2 g6 36. Kf3 Re8 37. Rc7 Be1 38. Ra7 Re3+ 39. Kf4 h6 40. Ra8+ Kg7 41. Bf3 Re7 42. g4 g5+ 43. Kxf5 Bg3 0-1

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.25"]
[Round "8"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Fuentes Dominguez, Felix"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2322"]
[BlackElo "2278"]
[PlyCount "74"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 c5 6. b3 Be7 7. Bb2 0-0 8. e3 d5 9. Nc3 dxc4 10. bxc4 Nc6 11. d3 Rc8 12. Qe2 Qc7 13. Nh4 Rfd8 14. f4 Nb4 15. Rad1 Bxg2 16. Nxg2 a6 17. a3 Nc6 18. a4 Rd6 19. g4 Rcd8 20. g5 Ne8 21. Ne4 R6d7 22. Rf3 f5 23. gxf6 Bxf6 24. Nxf6+ Nxf6 25. Rg3 Rf8 26. Nh4 Qd8 27. Nf3 Qe8 28. Ne5 Nxe5 29. Bxe5 Qa8 30. Qg2 Qxg2+ 31. Rxg2 Kf7 32. Bxf6 gxf6 33. Rb2 Rb8 34. Kf2 Ke7 35. Ke2 Kd6 36. Rdb1 Kc6 37. Rg1 Rbd8 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.24"]
[Round "7"]
[White "Diaz Murgada, Rider"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2455"]
[BlackElo "2322"]
[PlyCount "55"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 0-0 8. e4 Qa5 9. Bd3 Nxd5 10. exd5 Bxc3+ 11. bxc3 Qxc3+ 12. Qd2 Qxa1 13. 0-0 Qg7 14. Re1 f6 15. d6 e6 16. Bb2 Bxa6 17. Be4 Ra7 18. Qa5 Nc6 19. Qxc5 Rb7 20. Bc3 Rb5 21. Qe3 e5 22. Bd3 Ra8 23. Bxb5 Bxb5 24. Bxe5 fxe5 25. Qb3+ Qf7 26. Qxb5 Rxa2 27. Rf1 Ra5 28. Qe2 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.24"]
[Round "6"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Soria Delgado, Kadir"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "2322"]
[BlackElo "2248"]
[PlyCount "78"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 e5 7. dxe5 Nfd7 8. 0-0 Nc6 9. c4 Re8 10. Nc3 dxe5 11. Nd2 f5 12. e4 Nc5 13. Nd5 Ne6 14. f4 Nc5 15. b4 Nd3 16. Bc3 a5 17. b5 Nd4 18. Nb3 fxe4 19. fxe5 Nxb3 20. Nf6+ Bxf6 21. exf6 Be6 22. axb3 Bf7 23. Qe2 Qd6 24. Kh1 b6 25. Rad1 Qf8 26. Qe3 Rad8 27. Bxe4 Rxe4 28. Qxe4 Nf2+ 29. Rxf2 Rxd1+ 30. Kg2 Qd8 31. Rf3 h5 32. Qe3 Qf8 33. Be5 Qd8 34. Qf4 Rd2+ 35. Rf2 Rxf2+ 36. Kxf2 Qd3 37. Qe3 Qc2+ 38. Kg1 a4 39. Qh6 Qb1+ 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.23"]
[Round "5"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Borges Matos, Juan R"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2322"]
[BlackElo "2412"]
[PlyCount "47"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Qc7 8. Qe2 a6 9. 0-0-0 Be7 10. Bb3 Na5 11. g4 0-0 12. g5 Nxb3+ 13. axb3 Nd7 14. Rhg1 b5 15. f4 b4 16. Nf5 exf5 17. Nd5 Qd8 18. exf5 Re8 19. Bd4 Bb7 20. g6 fxg6 21. Qe6+ Kh8 22. Bxg7+ Kxg7 23. fxg6 Bxd5 24. Rxd5 1-0

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.22"]
[Round "4"]
[White "Antunez, Soler Luis"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2156"]
[BlackElo "2322"]
[PlyCount "103"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Nge7 8. Be3 0-0 9. 0-0-0 f5 10. f3 f4 11. Bxb6 axb6 12. Qd2 Be6 13. Bb5 Bxb3 14. cxb3 Ne5 15. Kb1 Kh8 16. h4 h5 17. Ne2 N7g6 18. Nd4 Qf6 19. Nf5 Ne7 20. Qxf4 Nxf5 21. exf5 Qxf5+ 22. Qxf5 Rxf5 23. Rd4 Nxf3 24. gxf3 Rxb5 25. Re1 Rf8 26. Re7 Rxf3 27. Rxc7 Rc5 28. Rxc5 dxc5 29. Rd5 Rf6 30. Rxh5+ Rh6 31. Rg5 Rxh4 32. Rg6 Rh6 33. Rg4 Rd6 34. Kc2 Kh7 35. Rh4+ Kg8 36. Rg4 g6 37. Kc3 Kg7 38. b4 Rd4 39. Rxd4 cxd4+ 40. Kxd4 Kf6 41. b5 Kf5 42. a4 Kf4 43. b4 g5 44. a5 g4 45. a6 bxa6 46. bxa6 g3 47. a7 g2 48. a8Q g1Q+ 49. Kc4 Qf1+ 50. Kc3 Qe1+ 51. Kb3 Qd1+ 52. Kc3 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.21"]
[Round "3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Campos Jimenez, Augusto Cesar"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2322"]
[BlackElo "2381"]
[PlyCount "66"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Rb8 10. Nd5 Nxd5 11. Bxd5 Bd7 12. c3 Bf6 13. b4 Ne7 14. Bb3 c5 15. Be3 Qc7 16. d4 c4 17. Bc2 Rfd8 18. a4 Ng6 19. d5 h6 20. axb5 axb5 21. Ra7 Rb7 22. Ra6 Rf8 23. h3 Qb8 24. Qd2 Be7 25. Rfa1 Qc7 26. R1a3 Rc8 27. Qc1 Qd8 28. Qa1 Kh7 29. Kh2 Rcb8 30. Ba7 Rc8 31. Be3 Rcb8 32. Ra7 Qc8 33. R7a6 Qd8 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.20"]
[Round "2"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "D64"]
[WhiteElo "2433"]
[BlackElo "2322"]
[PlyCount "30"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. e3 Nbd7 7. Rc1 c6 8. Qc2 Re8 9. Bd3 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. 0-0 Nxc3 13. Qxc3 c5 14. Rfd1 cxd4 15. Qxd4 Nf6 1/2-1/2

[Event "Holguin Oriental zt"]
[Site "Holguin"]
[Date "2018.11.19"]
[Round "1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Mastrapa Gonzalez, Roger Sandro"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2322"]
[BlackElo "2170"]
[PlyCount "52"]
[EventDate "2018.11.19"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "4"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 d6 8. a3 0-0 9. Nc3 Na5 10. Ba2 Be6 11. b4 Bxa2 12. Nxa2 Nc6 13. c4 Qd7 14. Nc3 Rab8 15. Bg5 h6 16. Bxf6 Bxf6 17. Nd5 Bd8 18. Qc2 Ne7 19. Rfc1 c6 20. Nxe7+ Bxe7 21. cxb5 cxb5 22. Qc6 Qa7 23. a4 Rb6 24. Qc7 Rb7 25. Qc6 Rb6 26. Qc7 Rb7 1/2-1/2

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.27"]
[Round "9.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Perez Leiva, Jerzy Jesus"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2298"]
[BlackElo "2308"]
[PlyCount "121"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. 0-0 c5 6. b3 Be7 7. Bb2 0-0 8. e3 d6 9. d4 Nbd7 10. Nc3 Ne4 11. Qc2 Nxc3 12. Bxc3 Nf6 13. dxc5 Be4 14. Qb2 bxc5 15. Rfd1 a5 16. Ne1 Bxg2 17. Kxg2 a4 18. f3 Qb6 19. e4 Rfb8 20. Rab1 Rb7 21. Nc2 Rab8 22. e5 Ne8 23. exd6 Bxd6 24. Be5 axb3 25. axb3 f6 26. Bxd6 Nxd6 27. Qc3 Qc6 28. Ne3 Nf7 29. Ng4 h5 30. Nf2 Ne5 31. Ne4 Ra7 32. Rb2 h4 33. Rd6 Qe8 34. f4 Ng4 35. h3 Qg6 36. Qd3 Nh6 37. Rxe6 Qf7 38. Qd5 Kh7 39. g4 Rd8 40. Qxd8 Qxe6 41. Qd5 Qe8 42. Qh5 Qa8 43. g5 Ra2 44. Rxa2 Qxa2+ 45. Nf2 fxg5 46. fxg5 Qa8+ 47. Qf3 Qxf3+ 48. Kxf3 Nf5 49. Ke4 Nd4 50. b4 Kg8 51. g6 Kf8 52. Kd5 Ke7 53. Kxc5 Ne6+ 54. Kb6 Kd7 55. c5 Nf4 56. Kb7 Nxg6 57. c6+ Kd6 58. c7 Ne7 59. c8Q Nxc8 60. Kxc8 Kc6 61. Kd8 1-0

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.27"]
[Round "10.2"]
[White "Garcia Matos, Richard Alejandro"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2327"]
[BlackElo "2298"]
[PlyCount "112"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nxd4 8. cxd4 Bb4+ 9. Nd2 Qg6 10. 0-0 c6 11. Bd3 Nd5 12. Nf3 Nxe3 13. fxe3 0-0 14. Ne5 Qh6 15. Qf3 Bd6 16. Bc4 Bxe5 17. dxe5 d6 18. Rad1 Be6 19. Rxd6 Rae8 20. b3 Qg6 21. Rf2 h6 22. h4 Kh7 23. Qf4 Kg8 24. Rfd2 Re7 25. Be2 Rfe8 26. b4 a6 27. a4 Ra8 28. a5 Rae8 29. Kh2 h5 30. Bf3 Qh7 31. Rd8 Qg6 32. R2d6 Kh7 33. Rxe8 Rxe8 34. Kg1 Rc8 35. Be2 c5 36. Rb6 c4 37. Bd1 Kg8 38. Kf2 Rc7 39. Rd6 Kh7 40. Bc2 Rc8 41. g3 Rc7 42. Ke1 c3 43. Kd1 Rc4 44. Rb6 Rc7 45. Kc1 Rd7 46. Rd6 Rc7 47. Bb3 Rc8 48. Bd5 Rc7 49. Bxe6 fxe6 50. Rd8 Rf7 51. Qg5 Rf1+ 52. Kc2 Qxe4+ 53. Rd3 Qg2+ 54. Kb3 Qb2+ 55. Kc4 Rf5 56. Qe7 c2 0-1

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.26"]
[Round "8.3"]
[White "Elias Reyes, Jorge Roberto"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2326"]
[BlackElo "2298"]
[PlyCount "80"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 a6 9. h3 Nd7 10. Be3 Nd4 11. f4 Rb8 12. a4 e6 13. Bf2 b6 14. Nxd4 cxd4 15. Ne2 e5 16. b4 a5 17. Be1 axb4 18. Bxb4 Nc5 19. Qc2 Ra8 20. fxe5 dxe5 21. a5 Be6 22. Rab1 Qc7 23. axb6 Qxb6 24. Bxc5 Qxc5 25. Rb5 Qa3 26. Rfb1 Rfc8 27. Qd2 h5 28. Kh2 Kh7 29. R1b3 Qa2 30. Rb2 Qa3 31. R2b3 Qe7 32. h4 Ra1 33. Ng1 Rca8 34. Nf3 Bh6 35. Qc2 Be3 36. Rxe5 Rc1 37. Qb2 Raa1 38. Ng5+ Qxg5 39. hxg5 Bg1+ 40. Kh1 Be3+ 1/2-1/2

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.25"]
[Round "5.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Garcia Matos, Richard Alejandro"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2298"]
[BlackElo "2327"]
[PlyCount "121"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 e6 7. f3 b5 8. Qd2 b4 9. Na4 Nbd7 10. Bc4 Ne5 11. Bb3 Rb8 12. 0-0 Bd7 13. c3 a5 14. Qe2 Be7 15. c4 0-0 16. Rac1 Qe8 17. Qd1 h5 18. h3 h4 19. Rf2 Ng6 20. Rd2 e5 21. Ne2 Bxa4 22. Bxa4 Qc8 23. Qe1 Rd8 24. b3 Qc7 25. Qf2 Nh5 26. Rd5 Nhf4 27. Nxf4 Nxf4 28. Bxf4 exf4 29. Kh2 Ra8 30. Rcd1 Bf6 31. Qd2 Qe7 32. Kh1 g5 33. Rb5 Ra6 34. Qd5 Rda8 35. Rb7 Qe6 36. Qxe6 fxe6 37. Bd7 Kf8 38. Bxe6 Be5 39. Rf7+ Ke8 40. Rf5 Ke7 41. Bd5 Rf8 42. Rxg5 Bc3 43. Rh5 a4 44. Rxh4 axb3 45. axb3 Ra3 46. Rh7+ Kf6 47. Rh6+ Ke7 48. Rb1 Rc8 49. Kh2 Rc5 50. h4 Rca5 51. h5 Ra2 52. Re6+ Kd7 53. Rg6 Rf2 54. h6 Raa2 55. Kh3 Rad2 56. h7 Kc7 57. Rc1 Bd4 58. Re1 Be5 59. Rg8 Rb2 60. c5 dxc5 61. Rg1 1-0

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.25"]
[Round "6.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Rodriguez Turino, Ladislao"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2298"]
[BlackElo "2301"]
[PlyCount "76"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. Re1 0-0 9. Nbd2 Nb8 10. Nf1 b6 11. Bg5 h6 12. Bh4 Bb7 13. Bc2 a5 14. d4 Nbd7 15. Qd2 Re8 16. d5 Qe7 17. b3 Qf8 18. Bxf6 Nxf6 19. Ng3 h5 20. c4 Bh6 21. Qc3 Rac8 22. a3 c6 23. dxc6 Rxc6 24. Qd3 Ba6 25. Nf1 a4 26. N1d2 axb3 27. Bxb3 Nd7 28. Ba4 Nc5 29. Qc2 Nxa4 30. Qxa4 Bb7 31. Reb1 Ra8 32. Qb3 Ra5 33. Qd3 Qa8 34. Rb3 Bc8 35. Rab1 Qa7 36. h4 f6 37. Rb5 Be6 38. Rxa5 Qxa5 1/2-1/2

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.24"]
[Round "3.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Elias Reyes, Jorge Roberto"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2298"]
[BlackElo "2326"]
[PlyCount "68"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 0-0 6. Bg2 b6 7. 0-0 Bb7 8. e3 c5 9. Nc3 Nc6 10. cxd5 Nxd5 11. Nxd5 Qxd5 12. d4 Rad8 13. Ne5 Qd6 14. dxc5 Qxc5 15. Nd7 Qf5 16. e4 Qg5 17. h4 Qh6 18. Bc1 g5 19. hxg5 Qg7 20. e5 Kh8 21. Bf4 Ba3 22. Nxf8 Rxd1 23. Raxd1 Qxf8 24. Rd7 Qc8 25. Rfd1 Kg8 26. g6 hxg6 27. Bg5 Bf8 28. f4 Na5 29. Bxb7 Nxb7 30. Kh2 Qc6 31. Kh3 Qf3 32. b4 Nd6 33. exd6 Qxd1 34. Kh2 Kg7 0-1

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.24"]
[Round "4.2"]
[White "Perez Leiva, Jerzy Jesus"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2308"]
[BlackElo "2298"]
[PlyCount "78"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. a4 Bb7 13. d5 Nb6 14. Nbd2 c4 15. Nf1 Bc8 16. axb5 axb5 17. g4 h5 18. Ne3 hxg4 19. hxg4 g6 20. Kg2 Kg7 21. Qe2 Nb7 22. Rb1 Rh8 23. Bd2 Bd7 24. Rh1 Qc7 25. g5 Nc5 26. Nh4 Qb7 27. Ng4 Bxg4 28. Qxg4 Nxd5 29. f3 Nf4+ 30. Bxf4 exf4 31. Nf5+ gxf5 32. exf5 Rag8 33. Rxh8 Rxh8 34. Re1 Kf8 35. f6 Bd8 36. Qxf4 Qd5 37. Bf5 Rh5 38. Bg4 Nd3 39. Qe3 Nxe1+ 0-1

[Event "Migoya Memorial tt"]
[Site "Camaguey"]
[Date "2018.09.23"]
[Round "1.3"]
[White "Rodriguez Turino, Ladislao"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2301"]
[BlackElo "2298"]
[PlyCount "109"]
[EventDate "2018.09.20"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. c4 c5 4. Bg2 Bb7 5. b3 g6 6. Bb2 Bg7 7. 0-0 0-0 8. Nc3 d6 9. Qc2 Nbd7 10. Rfd1 Rc8 11. Rac1 Qc7 12. Qb1 a6 13. d3 Qb8 14. a3 e6 15. Qa1 e5 16. Bh3 Rcd8 17. b4 Qa8 18. Nd2 Ne8 19. Qa2 Nc7 20. Rb1 f5 21. bxc5 dxc5 22. Ba1 Bc6 23. Nf1 Kh8 24. Ne3 b5 25. Bg2 Bxg2 26. Nxg2 Qc6 27. Ne3 Nf6 28. cxb5 axb5 29. a4 b4 30. Nb5 Nd7 31. Nxc7 Qxc7 32. Rdc1 Qd6 33. a5 Ra8 34. Nc4 Qe6 35. Qd2 f4 36. Kg2 g5 37. Rg1 g4 38. gxf4 Rxf4 39. Qe3 Raf8 40. Rgf1 h5 41. Nb6 Nxb6 42. axb6 Qxb6 43. Bxe5 R4f5 44. Bxg7+ Kxg7 45. Kg1 R8f7 46. Rfc1 Qd6 47. Rc4 Re7 48. Qd2 Rfe5 49. Re1 Qe6 50. Qb2 Kh7 51. e3 Qd5 52. Qc2 Kg7 53. Rc1 Rb7 54. Rxc5 b3 55. Qb2 1-0

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.08"]
[Round "9.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Fernandez Guillen, Ernesto J"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2331"]
[BlackElo "2399"]
[PlyCount "22"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Las Tunas"]
[BlackTeam "Havana"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. Qd3 Bc5 7. Nc3 Nd4 8. Nxd4 Bxd4 9. Bc4 Qe7 10. Nd5 Nxd5 11. Bxd5 c6 1/2-1/2

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.07"]
[Round "8.2"]
[White "Alvarez Fernandez, Carlos Rene"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2365"]
[BlackElo "2331"]
[PlyCount "69"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Cotorro"]
[BlackTeam "Las Tunas"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 axb5 6. e4 Qa5+ 7. Bd2 b4 8. Na3 d6 9. Nc4 Qd8 10. a3 e6 11. dxe6 Bxe6 12. Ne3 d5 13. exd5 Nxd5 14. Bb5+ Bd7 15. Nxd5 Bxb5 16. Bg5 Qxg5 17. Nc7+ Ke7 18. Nxb5 Ra6 19. Kf1 Qe5 20. Qd2 Re6 21. Nh3 g6 22. Nf4 Bh6 23. Nd5+ Kd8 24. f4 Kc8 25. axb4 Qe4 26. Ne7+ Kb7 27. Ra7+ Kb6 28. Nd5+ Kc6 29. Rc7+ Kxb5 30. Nc3+ Kb6 31. Nxe4 Kxc7 32. Nxc5 Rc6 33. Qc3 Rd8 34. b5 Bg7 35. Qc2 1-0

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.07"]
[Round "7.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Fernandez Mayola, Reynold Rafael"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2331"]
[BlackElo "2313"]
[PlyCount "54"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Las Tunas"]
[BlackTeam "La Lisa"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. Re1 0-0 9. Nbd2 b5 10. Bb3 Na5 11. Bc2 c5 12. Nf1 Nc6 13. Bg5 h6 14. Bxf6 Bxf6 15. Ne3 Be6 16. Bb3 Bg7 17. a4 Qd7 18. Bd5 Bxd5 19. Nxd5 Qb7 20. b4 Ne7 21. Nxe7+ Qxe7 22. Qb3 cxb4 23. Qxb4 Qc7 24. axb5 axb5 25. Reb1 Rfc8 26. Rxa8 Rxa8 27. Qxb5 Qxc3 1/2-1/2

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.06"]
[Round "5.1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Otero Acosta, Diasmany"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2331"]
[BlackElo "2386"]
[PlyCount "114"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Las Tunas"]
[BlackTeam "Villa Clara"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Bxe3 9. Qxe3 Nf6 10. 0-0 d6 11. c4 e5 12. Nc3 Be6 13. Rfd1 0-0 14. Be2 Qb8 15. Rac1 Rd8 16. h3 h6 17. Rd2 Ra7 18. Nd5 Bxd5 19. cxd5 Ne7 20. Na5 Ra8 21. Rdc2 Rc8 22. Rxc8+ Nxc8 23. Bf3 b6 24. Nc6 Qb7 25. Qc3 Qd7 26. Kh2 a5 27. a4 Ne7 28. Qb3 Nxc6 29. Rxc6 Rb8 30. Rxb6 Rxb6 31. Qxb6 Qxa4 32. Qxd6 Qd4 33. Qd8+ Kh7 34. Qxa5 Qxb2 35. Qc5 Qd2 36. g3 h5 37. h4 g5 38. hxg5 Qxg5 39. Qf8 Kg6 40. Qh8 Qd2 41. Kg2 Qd4 42. Kg1 Qa1+ 43. Kh2 Qb2 44. Kg2 Qd4 45. Qc8 Nxe4 46. Qc2 f5 47. Bxe4 fxe4 48. Qc6+ Kg5 49. Qc1+ Kg6 50. Qc6+ Kg5 51. Qd7 e3 52. Qg7+ Kf5 53. Qf7+ Kg5 54. f4+ exf4 55. Qxf4+ Qxf4 56. gxf4+ Kxf4 57. d6 h4 1/2-1/2

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.06"]
[Round "6.3"]
[White "Rodriguez Hernandez, Luis Daniel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2314"]
[BlackElo "2331"]
[PlyCount "161"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Matanzas"]
[BlackTeam "Las Tunas"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

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 Nc6 10. Be2 Nxd4 11. Qxd4 Bc5 12. Qd2 Bxe3 13. Qxe3 d6 14. Rd1 Bc6 15. 0-0 0-0 16. Rd2 Rfd8 17. Rfd1 Rab8 18. Qf4 e5 19. Qe3 b5 20. c5 dxc5 21. Qxc5 Rxd2 22. Rxd2 Rc8 23. Kf1 g6 24. a4 bxa4 25. Bxa6 Bb7 26. Qa7 Bxa6+ 27. Qxa6 Qc4+ 28. Qxc4 Rxc4 29. Rd8+ Kg7 30. Ra8 Rb4 31. Nxa4 Nh5 32. g3 f5 33. exf5 gxf5 34. Ra7+ Kg6 35. Ra6+ Kg7 36. Ke2 Nf6 37. Kd3 Rb3+ 38. Kc4 Rxf3 39. b4 e4 40. b5 e3 41. Nc3 Rf2 42. Re6 Ng4 43. b6 Rb2 44. Nb5 Rc2+ 45. Kb3 Rc5 46. Nd4 Rc1 47. h3 Nf2 48. Nxf5+ Kf7 49. Nd4 Nxh3 50. Kb4 Rb1+ 51. Kc5 Rc1+ 52. Kd5 Rb1 53. Kc5 Rc1+ 54. Kd5 Rb1 55. Kc4 Rc1+ 56. Kd3 Rb1 57. Kxe3 Ng5 58. Re5 Rxb6 59. Rxg5 Ra6 60. Ke4 Ra4 61. Rd5 Kg6 62. Kf4 Ra6 63. Rg5+ Kf6 64. Rc5 Ra4 65. Rc6+ Kg7 66. Ke5 Ra5+ 67. Ke4 Ra4 68. Rb6 Kf7 69. Ke5 Ra3 70. Rf6+ Kg8 71. Nf5 Ra5+ 72. Kf4 Ra4+ 73. Kg5 Ra8 74. Nh6+ Kg7 75. Rf7+ Kh8 76. Ng4 Kg8 77. Nh6+ Kh8 78. Ng4 Kg8 79. Re7 Ra5+ 80. Kf6 h5 81. Kg6 1-0

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.05"]
[Round "3.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Alvarez Fernandez, Carlos Rene"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2331"]
[BlackElo "2365"]
[PlyCount "96"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Las Tunas"]
[BlackTeam "Cotorro"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Nf3 cxd4 8. cxd4 Qb6 9. Bc2 Nb4 10. 0-0 Nxc2 11. Qxc2 Be7 12. Nc3 0-0 13. Kh1 f5 14. Rg1 Qd8 15. g4 Nb6 16. Be3 Bd7 17. Rg3 Be8 18. Rag1 Bg6 19. gxf5 Rxf5 20. Rxg6 hxg6 21. Rxg6 Qe8 22. Rxe6 Qh5 23. Qg2 Kf7 24. Rxb6 axb6 25. Nxd5 Rxa2 26. Ng1 Ra1 27. Nxe7 Kxe7 28. d5 g5 29. d6+ Ke6 30. d7 Qd1 31. Bd2 Qxg1+ 32. Qxg1 Rxg1+ 33. Kxg1 Kxd7 34. fxg5 Rxe5 35. h4 Ke6 36. h5 Rd5 37. Be3 Kf5 38. Kf2 Rd1 39. g6 Kf6 40. Kf3 Kg7 41. Kg4 Rd5 42. Bxb6 Rb5 43. Bd4+ Kh6 44. Be3+ Kg7 45. Bd2 Rd5 46. Be3 Rb5 47. Bf4 Rd5 48. Be3 Rb5 1/2-1/2

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.05"]
[Round "4.3"]
[White "Fernandez Guillen, Ernesto J"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2399"]
[BlackElo "2331"]
[PlyCount "109"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Havana"]
[BlackTeam "Las Tunas"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 Qg6 9. 0-0 d6 10. f3 0-0 11. Nd2 Kh8 12. f4 Ng4 13. Bxg4 Bxg4 14. Qb3 f5 15. Qxb7 fxe4 16. Rae1 Rab8 17. Qxe4 Nf5 18. Bf2 Rxb2 19. Nc4 Rxa2 20. Ne6 Rxf2 21. Rxf2 Bxf2+ 22. Kxf2 Re8 23. Qc6 Nh6 24. Nd4 Rxe1 25. Kxe1 Qd3 26. Na5 Qe3+ 27. Kf1 Qxf4+ 28. Kg1 Qe5 29. h3 Bxh3 30. Qxc7 Qe3+ 31. Kh1 Qe4 32. Nf3 Bg4 33. Nd4 Be6 34. Nxe6 Qxe6 35. Nb7 d5 36. Nd8 Qf6 37. Qc8 Ng8 38. Qd7 h6 39. Qxd5 Qxc3 40. Nf7+ Kh7 41. Qe4+ g6 42. Ne5 Qc1+ 43. Kh2 Qg5 44. Qd4 Qe7 45. Kh1 a5 46. Nc6 Qc7 47. Qa4 Nf6 48. Nxa5 h5 49. Nc6 Qg3 50. Qa7+ Kh6 51. Qe7 Qc3 52. Nd8 Qa1+ 53. Kh2 Qe5+ 54. Qxe5 Ng4+ 55. Kg3 1/2-1/2

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.04"]
[Round "1.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Rodriguez Hernandez, Luis Daniel"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2331"]
[BlackElo "2314"]
[PlyCount "66"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Las Tunas"]
[BlackTeam "Matanzas"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. 0-0 0-0 8. Re1 b5 9. Bc2 d5 10. Nbd2 d4 11. cxd4 exd4 12. a3 Bg4 13. h3 Bh5 14. Nf1 Bxf3 15. Qxf3 Nd7 16. Qe2 a5 17. b3 Nc5 18. f4 f5 19. exf5 Qd5 20. Rb1 b4 21. a4 Rae8 22. Qf2 Rxf5 23. Nd2 Ne6 24. Nc4 Ref8 25. Re4 Bd6 26. g3 g5 27. Qe2 R5f6 28. Qg4 Rg6 29. f5 Rxf5 30. Bd2 Rgf6 31. Rbe1 Ng7 32. Nxd6 cxd6 33. Bd1 Ne5 0-1

[Event "Agosto de Victorias tt"]
[Site "Mayabeque"]
[Date "2018.08.04"]
[Round "2.2"]
[White "Fernandez Mayola, Reynold Rafael"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2313"]
[BlackElo "2331"]
[PlyCount "97"]
[EventDate "2018.08.04"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "La Lisa"]
[BlackTeam "Las Tunas"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "CUB"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. 0-0 g6 6. d3 Bg7 7. e4 d6 8. Nc3 0-0 9. h3 a6 10. a3 Nbd7 11. Rb1 Rb8 12. b4 Ng4 13. Nd5 Nge5 14. Bg5 f6 15. Be3 e6 16. Nc3 Nxf3+ 17. Bxf3 f5 18. Rc1 Ne5 19. Bg2 Nc6 20. exf5 gxf5 21. b5 Nd4 22. Bxb7 Rxb7 23. bxa6 Ra7 24. Bxd4 cxd4 25. Nb5 Rxa6 26. f4 Qd7 27. Rb1 Re8 28. Qf3 Ra5 29. g4 Rf8 30. Rbe1 d5 31. Qe2 dxc4 32. dxc4 Ra4 33. Qxe6+ Qxe6 34. Rxe6 Rxc4 35. gxf5 Rxf5 36. Rxb6 Rd5 37. Nd6 Rc7 38. f5 Be5 39. Rb8+ Kg7 40. Ne8+ Kf7 41. Nxc7 Bxc7 42. Rb7 Rd7 43. Kg2 d3 44. Kf3 Kf6 45. Ke4 d2 46. Rd1 h5 47. a4 Re7+ 48. Kd3 Rd7+ 49. Kc2 1-0

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.31"]
[Round "9"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Flores Quillas, Diego Saul Rodrigo"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "2320"]
[BlackElo "2097"]
[PlyCount "62"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Be7 7. Be2 0-0 8. f4 a6 9. g4 Nfd7 10. g5 Nc6 11. Qd2 Re8 12. 0-0-0 Qc7 13. Kb1 Rb8 14. Rdg1 b5 15. f5 Nde5 16. f6 Bf8 17. Qe1 b4 18. Nd1 Bb7 19. Bd3 Nxd4 20. Bxd4 Nf3 21. Qf2 Nxg1 22. Rxg1 e5 23. Bb6 Qd7 24. Qh4 g6 25. Rg3 Bc8 26. Ne3 Rxb6 27. Nf5 d5 28. Rh3 h5 29. Be2 dxe4 30. Bxh5 Qxf5 31. Bg4 Qf1+ 0-1

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.30"]
[Round "8"]
[White "Morales Marmol, Marcos Antonio"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2139"]
[BlackElo "2320"]
[PlyCount "104"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 0-0 8. Bd3 Qa5 9. Bd2 Bxa6 10. Bxa6 Qxa6 11. Nge2 d6 12. 0-0 Nbd7 13. a4 Qd3 14. f3 Rfb8 15. Bf4 Qxd1 16. Rfxd1 Rxb2 17. g4 Ne8 18. Rab1 Rb4 19. Ra1 Ra6 20. Ra2 Nb6 21. Bd2 Nc7 22. Rda1 Rb3 23. Be1 e6 24. dxe6 fxe6 25. Ra3 Rb4 26. Nc1 Bxc3 27. Bxc3 Rbxa4 28. Rxa4 Nxa4 29. Bf6 Kf7 30. Bd8 Nb5 31. Nd3 Ra7 32. e5 c4 33. Nb4 d5 34. Nc6 Ra6 35. Nb4 Ra8 36. Bg5 Nb6 37. Rxa8 Nxa8 38. Nc6 Ke8 39. f4 c3 40. Nb4 Nb6 41. Kf2 Na4 42. f5 Nc5 43. Ke1 d4 44. fxe6 Nxe6 45. Bc1 Nc5 46. h4 Ke7 47. Nd5+ Ke6 48. Nf6 Nd3+ 49. Kd1 Nxc1 50. Kxc1 d3 51. Nxh7 Nd4 52. Nf8+ Kf7 0-1

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.29"]
[Round "7"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Elias Reyes, Jorge Roberto"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2320"]
[BlackElo "2300"]
[PlyCount "110"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qf3 g6 7. h3 Bg7 8. Be3 Bd7 9. 0-0-0 Nc6 10. g4 0-0 11. Kb1 Rc8 12. g5 Nh5 13. Nxc6 Bxc6 14. Nd5 f5 15. gxf6 Nxf6 16. Nxf6+ Rxf6 17. Bc4+ Kh8 18. Qg4 Bd7 19. Qe2 Qa5 20. Bb3 Rff8 21. h4 Qe5 22. Bd4 Qh5 23. Qd2 Bc6 24. Bd5 Bxd4 25. Qxd4+ e5 26. Qe3 Qf3 27. h5 gxh5 28. Qh6 Bxd5 29. exd5 Rf6 30. Qxh5 Qxh5 31. Rxh5 Rxf2 32. c3 Rcf8 33. Rdh1 Rf1+ 34. Kc2 Rxh1 35. Rxh1 Rf2+ 36. Kb3 Rg2 37. Rh4 Rd2 38. c4 b5 39. Kc3 Rd1 40. b3 bxc4 41. bxc4 Kg7 42. Rg4+ Kf6 43. Rh4 Kg6 44. Rg4+ Kf5 45. Rh4 e4 46. Rxh7 Rd3+ 47. Kc2 Ke5 48. Rh6 Ra3 49. Kb2 Rg3 50. Re6+ Kd4 51. Rxd6 e3 52. Re6 Kxc4 53. d6 Rg2+ 54. Kc1 Rd2 55. Rxe3 Rxd6 1/2-1/2

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.28"]
[Round "6"]
[White "Martinez Ramirez, Lennis"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2393"]
[BlackElo "2320"]
[PlyCount "51"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. Nc3 0-0 5. h4 c5 6. dxc5 Qa5 7. Qd2 Qxc5 8. e4 h5 9. e5 Ng4 10. Nd5 e6 11. Nf6+ Bxf6 12. exf6 e5 13. Bh6 Re8 14. 0-0-0 Nxf6 15. Be3 Qc7 16. Bg5 Ne4 17. Qe3 Nxg5 18. Nxg5 d5 19. Rxd5 Nd7 20. Ne4 Re6 21. g4 Qc6 22. Qd2 Nf6 23. Rd8+ Kg7 24. Qb4 Re8 25. Bb5 Qb6 26. Rd6 1-0

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.26"]
[Round "5"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Lemus Morales, Diego Enrique"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2320"]
[BlackElo "2160"]
[PlyCount "91"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. 0-0 0-0 8. Nc3 d6 9. a3 Be6 10. Nd5 Bxd5 11. exd5 Nd4 12. Nxd4 exd4 13. Ba2 Ne8 14. Qg4 Bf6 15. b4 Qc8 16. Qxc8 Rxc8 17. a4 Rb8 18. axb5 axb5 19. Bb3 Rb7 20. Bb2 g6 21. Rae1 Ng7 22. g4 Rbb8 23. f4 h6 24. Re4 Rfe8 25. Rfe1 Kf8 26. Kg2 g5 27. fxg5 hxg5 28. h3 Rxe4 29. Rxe4 Re8 30. Kf3 Rxe4 31. Kxe4 Ke7 32. Bxd4 Bxd4 33. Kxd4 f5 34. c3 fxg4 35. hxg4 Ne8 36. Bd1 Nf6 37. Bf3 Kd8 38. c4 Kc8 39. Be4 Kb7 40. Bf5 Ka7 41. c5 Kb7 42. Bd7 dxc5+ 43. bxc5 Nxd7 44. c6+ Kc8 45. cxd7+ Kxd7 46. Kc5 1-0

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.25"]
[Round "4"]
[White "Perez Marimon, Jorge De Jesus"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2076"]
[BlackElo "2320"]
[PlyCount "138"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 Be7 9. f4 Nc6 10. f5 Bxb3 11. axb3 Nb4 12. Qd2 Rc8 13. Bc4 Qc7 14. 0-0 0-0 15. Rf2 Rfd8 16. Bd5 Nbxd5 17. Nxd5 Nxd5 18. Qxd5 Qc6 19. Rd1 b5 20. g4 h6 21. Kg2 Bh4 22. Re2 Qxd5 23. Rxd5 Rc6 24. Kf3 Kf8 25. b4 Ke7 26. c3 Rb8 27. Rg2 Bg5 28. Bf2 Bc1 29. Rd1 Bf4 30. h4 Kd7 31. Be3 Bxe3 32. Kxe3 a5 33. bxa5 b4 34. Kd3 bxc3 35. bxc3 Rb3 36. Rc1 Ra3 37. g5 h5 38. g6 f6 39. Rb2 Rxa5 40. Rb8 Rc8 41. Rcb1 Rc7 42. Rh8 d5 43. exd5 Rxd5+ 44. Kc2 e4 45. Rd1 Rxc3+ 46. Kxc3 Rxd1 47. Kc2 Rh1 48. Rxh5 Kd6 49. Rh8 Ke5 50. h5 Rg1 51. Rh7 Rg5 52. Rxg7 Rxh5 53. Ra7 Kxf5 54. g7 Rh2+ 55. Kc3 Rg2 56. Rf7 Ke5 57. Re7+ Kf4 58. Kd4 f5 59. Rf7 Rg1 60. Re7 Kf3 61. Rf7 f4 62. Ke5 Ke3 63. Rxf4 Rg5+ 64. Rf5 Rxg7 65. Rh5 Re7+ 66. Kd5 Kd3 67. Rh1 e3 68. Ra1 e2 69. Ra3+ Kd2 0-1

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.24"]
[Round "3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Charon Mustelier, Manuel"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2320"]
[BlackElo "2166"]
[PlyCount "66"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 b5 7. Bc2 Be7 8. 0-0 0-0 9. Re1 Bb7 10. Nbd2 Nb8 11. Nf1 Nbd7 12. Ng3 g6 13. Bh6 Re8 14. h3 Bf8 15. Qd2 Qe7 16. d4 Bxh6 17. Qxh6 Qf8 18. Qd2 Re7 19. d5 Nb6 20. a4 bxa4 21. Bxa4 Nxa4 22. Rxa4 Nd7 23. b4 Ree8 24. c4 Rec8 25. Raa1 a5 26. bxa5 Nc5 27. Reb1 Ba6 28. Rb4 Rcb8 29. Rab1 Bxc4 30. Rxb8 Rxb8 31. Rb4 Ba6 32. Kh2 Ra8 33. Ne1 Qd8 1/2-1/2

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.23"]
[Round "2"]
[White "Lavigne Lopez, Raul Leonardo"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2144"]
[BlackElo "2320"]
[PlyCount "51"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 a6 6. c3 Ba7 7. Nbd2 d6 8. Re1 h6 9. Nf1 0-0 10. Bb3 Ne7 11. h3 Ng6 12. d4 Re8 13. Bc2 c6 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Be3 Bxe3 17. Nxe3 Be6 18. Qxd8 Raxd8 19. a3 g6 20. Rad1 Kf8 21. Rxd8 Rxd8 22. Rd1 Rxd1+ 23. Nxd1 Ke7 24. Ne3 b5 25. Kf1 Kd6 26. Ke2 1/2-1/2

[Event "Guillermo Garcia Memorial op 27th"]
[Site "Santa Clara"]
[Date "2018.05.22"]
[Round "1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Gutierrez Espinosa, Karen"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2320"]
[BlackElo "2061"]
[PlyCount "87"]
[EventDate "2018.05.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CUB"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bf5 6. Bc4 Nf6 7. 0-0 e6 8. h3 Be7 9. Nh4 Bg6 10. Nxg6 hxg6 11. Bf4 Nbd7 12. a3 0-0 13. Qe2 Qb6 14. Rfd1 Rfe8 15. Bb3 c5 16. d5 exd5 17. Nxd5 Nxd5 18. Rxd5 Nf6 19. Rdd1 Nh5 20. Bh2 Qf6 21. Qc4 g5 22. Be5 Qg6 23. Rd7 b6 24. Bd6 Bxd6 25. Qxf7+ Kh7 26. Qxg6+ Kxg6 27. Bf7+ Kh6 28. Rxd6+ Nf6 29. Bxe8 Rxe8 30. Kf1 Re4 31. Re1 Rf4 32. g3 Rf5 33. Kg2 Kh7 34. f3 b5 35. c3 c4 36. Re7 Nd5 37. Rxa7 Re5 38. Kf2 Ne3 39. Rdd7 Kh6 40. f4 gxf4 41. gxf4 Re6 42. a4 bxa4 43. Rxa4 Kh5 44. Kf3 1-0

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.17"]
[Round "8"]
[White "Ochoa de la Rosa, Manuel Dario"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2437"]
[BlackElo "2320"]
[PlyCount "146"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 a6 6. c3 Ba7 7. a4 d6 8. Re1 h6 9. Nbd2 Ne7 10. Nf1 Ng6 11. h3 0-0 12. Ng3 c6 13. d4 Re8 14. Bd3 Qc7 15. Be3 b5 16. Qd2 Kh7 17. c4 exd4 18. Bxd4 Bxd4 19. Nxd4 c5 20. Nde2 b4 21. Nf4 Nxf4 22. e5+ Nxd3 23. Qxd3+ g6 24. exf6 Re6 25. Rxe6 Bxe6 26. Ne4 Rd8 27. Qg3 Bf5 28. Re1 Qb8 29. Qh4 Bxe4 30. Qxe4 Rd7 31. Re3 d5 32. cxd5 Qd6 33. Qe7 Qxd5 34. Re1 Rd8 35. Re5 Qd7 36. Qxc5 Qd1+ 37. Kh2 Qd6 38. Qxd6 Rxd6 39. Re4 b3 40. Rb4 Rxf6 41. Kg3 Rd6 42. Rxb3 Rd4 43. Rb7 Rxa4 44. Rxf7+ Kg8 45. Rb7 a5 46. f4 Re4 47. Kg4 Rc4 48. Kf3 h5 49. g4 hxg4+ 50. hxg4 Rc2 51. Ke4 Re2+ 52. Kd5 Rg2 53. g5 Re2 54. Rb5 Kf7 55. Rb7+ Kg8 56. Kd4 Kf8 57. Kd3 Rf2 58. Ke3 Rc2 59. Rb5 Kf7 60. b3 Rc3+ 61. Kd4 Rf3 62. Ke4 Rc3 63. Rb7+ Kf8 64. Ke5 Rc5+ 65. Kd4 Rf5 66. Ke4 Kg8 67. Rd7 Rb5 68. Rd5 Rxb3 69. Rxa5 Rb7 70. Ra6 Kg7 71. Ke5 Rb5+ 72. Ke6 Rf5 73. Ra4 Kg8 1/2-1/2

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.16"]
[Round "7"]
[White "Cantillo Barroso, Rafael"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2174"]
[BlackElo "2320"]
[PlyCount "44"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 a6 5. Ba4 Bc5 6. 0-0 Nge7 7. Ng5 f6 8. Qh5+ g6 9. Qh6 fxg5 10. Bxg5 Ng8 11. Qg7 Qxg5 12. Qxh8 Nce7 13. Nd2 Qxd2 14. f4 b5 15. Bb3 Bb7 16. Bf7+ Kxf7 17. Qxh7+ Ke8 18. Rae1 d3+ 19. Kh1 dxc2 20. f5 gxf5 21. Qh3 Bf2 22. Qh5+ Kf8 0-1

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.15"]
[Round "6"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Soto, Miguel Angel"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2320"]
[BlackElo "2141"]
[PlyCount "98"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 c5 5. Ne2 Nf6 6. Bf3 Nc6 7. Be3 Nd5 8. Bxd5 Qxd5 9. Nbc3 Qd8 10. dxc5 Qxd1+ 11. Rxd1 Bd7 12. Nd4 Nxd4 13. Bxd4 Bc6 14. f3 f6 15. Be3 Be7 16. b4 a6 17. Kf2 Kf7 18. Ne4 Rhc8 19. c4 Rd8 20. Ke2 f5 21. Rxd8 Rxd8 22. Nd2 Bf6 23. Nb3 Ba4 24. Rd1 Rxd1 25. Kxd1 e5 26. Ke2 Bd8 27. Nd2 Bc7 28. Nb1 e4 29. f4 Bc2 30. Na3 Bd3+ 31. Kd2 g5 32. g3 gxf4 33. Bxf4 Bxf4+ 34. gxf4 Ke7 35. Kc3 Kd7 36. Kd4 Kc7 37. h4 h5 38. Kc3 Kd7 39. Kb3 Kc7 40. Nc2 Bxc2+ 41. Kxc2 Kd7 42. Kb3 Kc7 43. a4 Kd7 44. a5 Kc7 45. b5 Kd7 46. Kc3 Kc7 47. Kd4 Kd7 48. c6+ bxc6 49. b6 Kc8 1/2-1/2

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.13"]
[Round "5"]
[White "Diaz Perez, Michel Alejandro"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2447"]
[BlackElo "2320"]
[PlyCount "85"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a4 Bd7 9. c3 0-0 10. Bc2 Re8 11. Re1 h6 12. h3 Bf8 13. Nbd2 g6 14. Nf1 Bg7 15. Ne3 Rb8 16. b4 Be6 17. axb5 axb5 18. d4 d5 19. Nxe5 Nxe5 20. dxe5 Nxe4 21. Qd4 Nxc3 22. Bb2 Ne4 23. Rad1 f5 24. Nxd5 Qxd5 25. Qxd5 Bxd5 26. Rxd5 c6 27. Rd7 Bxe5 28. Bb3+ Kh8 29. Bxe5+ Rxe5 30. Rc7 Rbe8 31. Rd1 Nf6 32. Rd6 Rf8 33. Rcxc6 Kg7 34. Rc7+ Kh8 35. Bf7 Kg7 36. Be8+ Kh8 37. Bxg6 Rd5 38. Ra6 Rd4 39. Bxf5 Rxb4 40. g4 h5 41. g5 Rf4 42. Bc2 Rg8 43. h4 1-0

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.11"]
[Round "3"]
[White "Gonzalez Acosta, Bernal Manuel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2456"]
[BlackElo "2320"]
[PlyCount "71"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 b6 7. 0-0 Bb7 8. c4 Nbd7 9. Nc3 Re8 10. Bh2 e5 11. Rc1 Qe7 12. Re1 a6 13. b4 Ne4 14. Nxe4 Bxe4 15. c5 bxc5 16. bxc5 dxc5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bxe5 Qxe5 20. Qa4 Red8 21. Rc4 Bd3 22. Bxd3 Rxd3 23. Qc2 Rd5 24. e4 Rad8 25. f4 Qe6 26. Re2 Rd4 27. Rxc5 Rd1+ 28. Kh2 Qf6 29. f5 Qg5 30. Rd5 R8xd5 31. exd5 Qf4+ 32. g3 Qf1 33. Re8+ Kg7 34. Qc3+ Kh6 35. Qe3+ g5 36. Re6+ 1/2-1/2

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.10"]
[Round "2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Rodriguez Gutierrez, Brayans"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2320"]
[BlackElo "2150"]
[PlyCount "96"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Nf3 Be7 8. 0-0 Qb6 9. Bc2 cxd4 10. cxd4 f6 11. Kh1 f5 12. Nc3 a6 13. a3 Qd8 14. Rg1 h5 15. Be3 g6 16. h3 b5 17. a4 b4 18. Ne2 b3 19. Bxb3 Rb8 20. Rb1 a5 21. Bc2 Nb4 22. Bd2 Nxc2 23. Qxc2 Ba6 24. Bc3 Qb6 25. Qd2 Qb3 26. Nc1 Qxa4 27. Bxa5 Rc8 28. Bc3 Qc4 29. Ra1 Bb5 30. Ne1 Kf7 31. Nc2 Qc7 32. Ne3 Nb8 33. Bb4 Nc6 34. Bxe7 Nxe7 35. Nb3 Qb6 36. Nc5 Bc6 37. b4 Ra8 38. Ra5 Rab8 39. Qf2 h4 40. Rb1 Qxa5 41. bxa5 Rxb1+ 42. Kh2 Rb5 43. a6 Rb4 44. Nf1 Bb5 45. Nd2 Rb2 46. Qe1 Bc4 47. Nf3 Re2 48. Qa5 Rb8 1-0

[Event "Capablanca Memorial op 53rd"]
[Site "Havana"]
[Date "2018.05.09"]
[Round "1"]
[White "Cori Quispe, Kevin Joel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2465"]
[BlackElo "2320"]
[PlyCount "163"]
[EventDate "2018.05.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Nf3 0-0 11. h3 Nc6 12. Be3 Nd7 13. Rac1 Nc5 14. Bb1 b6 15. Rfd1 Bb7 16. Qd2 Rfd8 17. Bg5 Rd7 18. Qe3 Rc8 19. b3 Qb8 20. Nh2 f6 21. Bh6 Bh8 22. Qg3 Ba8 23. h4 Bg7 24. Bxg7 Kxg7 25. Ng4 Rf8 26. h5 Qd8 27. hxg6 hxg6 28. f4 e5 29. Qe3 Rh8 30. Nd5 Rf7 31. Rf1 Nd7 32. Qg3 Nd4 33. Rce1 Rh5 34. Nge3 Rf8 35. Nf5+ Nxf5 36. exf5 g5 37. fxe5 dxe5 38. Rd1 Rfh8 39. Kf2 Rh2 40. Be4 Bxd5 41. Rxd5 Qe7 42. b4 Nb8 43. c5 R2h4 44. Qd3 Rf4+ 45. Kg1 Rxf1+ 46. Kxf1 Rc8 47. Qc4 a5 48. a3 axb4 49. axb4 bxc5 50. Rxc5 Rxc5 51. bxc5 Nd7 52. c6 Nb6 53. Qb5 Qd8 54. Qb4 Na8 55. Ke2 Nc7 56. Qc5 Kf7 57. Bf3 Kg7 58. Ke3 Qf8 59. Qc4 Qd6 60. Qd3 Qxd3+ 61. Kxd3 Kf8 62. Kc4 Ke7 63. Kc5 Ne8 64. Bh5 Nc7 65. Bf3 Ne8 66. Be2 Nc7 67. Bd3 Na8 68. Bc2 Nc7 69. Be4 Na8 70. Bf3 Nc7 71. Kb6 Kd6 72. Kb7 Nb5 73. Be4 Kc5 74. c7 Kd4 75. Bc2 e4 76. Kc6 Na7+ 77. Kd6 g4 78. Ke6 g3 79. Kxf6 e3 80. Bd1 Kc5 81. Kg7 Kd6 82. f6 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.27"]
[Round "10"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "De la Fe Almeida, Enmanuel Jesus"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "2319"]
[BlackElo "2263"]
[PlyCount "82"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 0-0 11. Rhg1 Nd7 12. g4 Nc5 13. g5 b5 14. Nxc6 Qxc6 15. Bxc5 Qxc5 16. f4 Ra7 17. e5 Bb7 18. Ne4 Bxe4 19. Qxe4 d5 20. Qd3 a5 21. c3 b4 22. Rgf1 bxc3 23. Qxc3 Qb6 24. Kb1 Rb8 25. Ba4 Rc7 26. Qd4 Bc5 27. Qd2 Be3 28. Qe2 Bd4 29. Rd2 Rc4 30. Bd1 Rb4 31. b3 a4 32. Rf3 axb3 33. Bxb3 g6 34. h4 Ra8 35. Qd3 Bc5 36. Rc2 Rd4 37. Qe2 Re4 38. Qd1 Qb4 39. Rf1 Bd4 40. Rc1 Re3 41. Rf3 Qa3 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.26"]
[Round "9"]
[White "Alvarez Calzadilla, Jose Avelino"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2170"]
[BlackElo "2319"]
[PlyCount "122"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 b6 5. Bg2 Bb7 6. 0-0 0-0 7. c4 c5 8. Na3 d6 9. Nc2 Nbd7 10. d3 Qc7 11. a3 d5 12. cxd5 Bxd5 13. Ne3 Bb7 14. Rc1 Rac8 15. Rc2 Nd5 16. Nxd5 Bxd5 17. Bxg7 Kxg7 18. Qa1+ Kg8 19. b4 Qb7 20. Rfc1 a6 21. e4 Bc6 22. h4 Bb5 23. Bf1 h5 24. a4 Bc6 25. Bh3 e6 26. Rc4 Bxa4 27. bxc5 Bb5 28. c6 Bxc6 29. Qc3 Nc5 30. Qd2 Nb3 31. Qh6 Nxc1 32. Ng5 f5 33. Rxc1 Qg7 34. Qxg7+ Kxg7 35. Nxe6+ Kf7 36. Nxf8 Kxf8 37. d4 Bb7 38. Rxc8+ Bxc8 39. Kf1 Bb7 40. exf5 Bc8 41. Ke2 Bxf5 42. Bg2 Ke7 43. Kd2 Kd6 44. Kc3 a5 45. Kc4 Bd7 46. Be4 b5+ 47. Kc3 Bf5 48. Bf3 Kc7 49. Be2 Kb6 50. f3 Be6 51. g4 b4+ 52. Kb2 a4 53. Bd3 a3+ 54. Kb1 Bf7 55. g5 b3 56. f4 Ka5 57. f5 gxf5 58. Bxf5 Kb4 59. g6 Bd5 60. g7 Kc3 61. g8Q a2+ 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.25"]
[Round "8"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Perez Leiva, Jerzy Jesus"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2319"]
[BlackElo "2260"]
[PlyCount "76"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 b5 9. e5 Ng4 10. Bg1 Nxd4 11. Bxd4 Bb7 12. h3 Nh6 13. Bd3 Be7 14. 0-0-0 0-0 15. Ne4 Nf5 16. Bf2 d6 17. g4 dxe5 18. fxe5 Nh4 19. Bg3 Nf3 20. Qf4 Nd4 21. Rh2 Rad8 22. Nd6 Nf3 23. h4 Nxh2 24. Bxh2 f6 25. Nxb7 Qxb7 26. exf6 Bxf6 27. Qe3 Bxh4 28. Qxe6+ Kh8 29. Bd6 Rde8 30. Qb3 Qf3 31. c3 Rf6 32. Bc5 Qxg4 33. Bd4 Rff8 34. Qc2 Bf6 35. Bc5 Qg5+ 36. Kb1 Qxc5 37. Bxh7 Bg5 38. Rh1 Bh6 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.24"]
[Round "7"]
[White "Batista Suarez, Jeorling Yahytin"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2289"]
[BlackElo "2319"]
[PlyCount "79"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bf4 d6 10. Be3 Nc6 11. f4 Nxd4 12. Bxd4 e5 13. Be3 b5 14. a3 Bb7 15. Qe2 Rac8 16. h3 Qc4 17. Qd3 a5 18. Rf2 b4 19. axb4 axb4 20. Qxc4 Rxc4 21. Nd5 Bxd5 22. exd5 Rfc8 23. Ra7 Bf8 24. Rb7 e4 25. b3 Rxc2 26. Rxc2 Rxc2 27. Rxb4 Nxd5 28. Rxe4 Rc3 29. Kf2 Rxb3 30. Re8 Rb2+ 31. Kf1 Nxe3+ 32. Rxe3 Rd2 33. f5 f6 34. Bc6 g6 35. Ke1 Rc2 36. Be4 Rh2 37. fxg6 hxg6 38. Bxg6 Rxh3 39. Bf5 Rh1+ 40. Ke2 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.24"]
[Round "6"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Duarte Napoles, Fanny"]
[Result "1-0"]
[ECO "C74"]
[WhiteElo "2319"]
[BlackElo "2270"]
[PlyCount "157"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. d3 Nf6 7. Bg5 Be7 8. Nbd2 0-0 9. Bxf6 Bxf6 10. Bxc6 bxc6 11. Qa4 Qe8 12. 0-0-0 fxe4 13. dxe4 Be6 14. Kb1 a5 15. h3 Ra6 16. Nf1 Qb8 17. Ne3 Qb6 18. Rd2 Rb8 19. Ka1 Qc5 20. h4 Kh8 21. Rhd1 Rab6 22. g3 Be7 23. Ne1 Rb5 24. Nd3 Qa7 25. Rc1 Qa6 26. c4 R5b7 27. Rc3 h6 28. Rdc2 c5 29. Ra3 Ra7 30. Nd5 Bf8 31. Rcc3 c6 32. Ne3 Rb4 33. Qc2 a4 34. Qc1 Qc8 35. Rc2 Rb8 36. Rd2 Qe8 37. Qd1 Rba8 38. f4 exf4 39. gxf4 Bg8 40. e5 Rf7 41. Qg4 dxe5 42. Nxe5 Rf6 43. h5 Bh7 44. Ng2 Bf5 45. Qe2 Rd8 46. Rxd8 Qxd8 47. Nh4 Qd4 48. Qe1 Bc2 49. Rc3 Be4 50. Re3 a3 51. Rxa3 Kh7 52. Nhg6 Rd6 53. Rc3 Rd8 54. Rc1 Kg8 55. a3 Rb8 56. Qc3 Bd6 57. Qxd4 cxd4 58. b4 c5 59. b5 Ra8 60. Kb2 Bc7 61. Re1 Bg2 62. Re2 Bh3 63. Nd3 Bf1 64. Re7 Bd6 65. Rd7 Bxd3 66. Rxd6 Bxc4 67. b6 Rb8 68. a4 Ba6 69. a5 Bb7 70. Kb3 Ra8 71. Ka4 Bf3 72. Ne5 Bd1+ 73. Kb5 Be2+ 74. Kc6 Bf1 75. b7 Bg2+ 76. Kb6 Bxb7 77. Kxb7 Rxa5 78. Rd8+ Kh7 79. Ng6 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.23"]
[Round "5"]
[White "De la Fe Almeida, Enmanuel Jesus"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2263"]
[BlackElo "2319"]
[PlyCount "73"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. Nd2 Nf6 12. f3 f4 13. Nc4 g5 14. a4 Ng6 15. Ba3 Rf7 16. Re1 h5 17. Ra2 Bf8 18. a5 g4 19. Rc2 g3 20. h3 Nh4 21. Bf1 Nh7 22. Qd3 Ng5 23. Rec1 Rg7 24. cxd6 cxd6 25. Nd2 Bxh3 26. Nb5 Bd7 27. Nc7 Rc8 28. b5 Ng6 29. Qb3 Qf6 30. b6 axb6 31. Qxb6 Nh4 32. Nb5 Rxc2 33. Rxc2 Qg6 34. Qd8 Nh3+ 35. Kh1 Nf2+ 36. Kg1 Nh3+ 37. Kh1 1/2-1/2

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.22"]
[Round "4"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Alvarez Calzadilla, Jose Avelino"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2319"]
[BlackElo "2170"]
[PlyCount "79"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. Re1 0-0 9. Nbd2 Re8 10. d4 b5 11. Bc2 exd4 12. cxd4 Nb4 13. Bb1 c5 14. d5 a5 15. a3 Na6 16. a4 Bd7 17. Bd3 Nb4 18. Bxb5 Bxb5 19. axb5 Nd3 20. Re3 Nxc1 21. Rxc1 Rb8 22. Qc2 Rxb5 23. Ra1 Qb8 24. Nc4 Nd7 25. Rxa5 Rxa5 26. Nxa5 Qb4 27. Nc4 Ra8 28. Ra3 Rb8 29. Ra4 Qb3 30. Qxb3 Rxb3 31. Ra8+ Nf8 32. Nxd6 Bxb2 33. h3 Bd4 34. Nxd4 Rb1+ 35. Kh2 cxd4 36. Ra4 d3 37. Rd4 Rb3 38. e5 g5 39. Ne4 Nd7 40. e6 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.22"]
[Round "3"]
[White "Perez Leiva, Jerzy Jesus"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2260"]
[BlackElo "2319"]
[PlyCount "54"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. f4 g6 9. c4 Bg7 10. Kh1 0-0 11. Nc3 b6 12. f5 exf5 13. exf5 Nbd7 14. Bg5 Bb7 15. Rae1 Rfe8 16. Qd2 Ng4 17. fxg6 hxg6 18. Rxe8+ Rxe8 19. Qf4 Nde5 20. Be2 f6 21. Bxg4 Nxg4 22. Qxg4 Qxc4 23. Nce2 fxg5 24. b3 Qd5 25. Qf3 Qxf3 26. gxf3 g4 27. Kg1 gxf3 0-1

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.21"]
[Round "2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Batista Suarez, Jeorling Yahytin"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2319"]
[BlackElo "2289"]
[PlyCount "85"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 a6 8. Be3 Be7 9. Qe2 0-0 10. 0-0-0 Qc7 11. Rhe1 Na5 12. g4 Nxb3+ 13. axb3 b5 14. g5 Nd7 15. f4 b4 16. Na4 Bb7 17. f5 e5 18. f6 exd4 19. fxe7 Rfe8 20. Rxd4 Rxe7 21. Bf4 Nc5 22. Nxc5 Qxc5 23. Red1 d5 24. e5 a5 25. Qd2 Rc8 26. Kb1 Re6 27. Rc1 Qb6 28. h4 Re7 29. h5 Qe6 30. h6 Rec7 31. hxg7 Qf5 32. e6 Re7 33. exf7+ Rxf7 34. Be3 Qg6 35. Rh4 d4 36. Bxd4 Rd8 37. Qh2 Be4 38. Bf6 Rc8 39. Qe2 Re8 40. Qc4 h5 41. Ka2 Bb7 42. Rd1 Kh7 43. Qg4 1-0

[Event "Moncada Cup-B"]
[Site "Santiago de Cuba"]
[Date "2018.03.20"]
[Round "1"]
[White "Duarte Napoles, Fanny"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2270"]
[BlackElo "2319"]
[PlyCount "95"]
[EventDate "2018.03.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. g3 d6 7. Bg2 g6 8. b3 Bg7 9. Bb2 0-0 10. Nh3 Nbd7 11. 0-0 Qa5 12. Bc3 Qb5 13. Re1 Rfb8 14. Nd2 Qb7 15. e4 Nb6 16. a4 Ne8 17. Bxg7 Kxg7 18. e5 Qc7 19. exd6 Nxd6 20. Rc1 Bb7 21. Nf4 Rd8 22. Qc2 c4 23. a5 Nbc8 24. b4 Ba6 25. Nf3 Na7 26. Nd4 Kg8 27. h4 Ndb5 28. Nxb5 Bxb5 29. Qe4 Re8 30. h5 Qd6 31. hxg6 hxg6 32. Bh3 Qf6 33. Re3 Nc8 34. Bxc8 Raxc8 35. Qe5 Qxe5 36. Rxe5 Rb8 37. Ne2 f6 38. Re4 Red8 39. Nc3 Kf7 40. Rce1 Rd7 41. Re6 g5 42. f3 Rbb7 43. Kf2 Rb8 44. R1e4 Rbb7 45. Ke3 Rd6 46. Nxb5 Rxb5 47. Rxd6 exd6 48. Rxc4 1-0

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.07"]
[Round "10.3"]
[White "Soria Delgado, Kadir"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2257"]
[BlackElo "2296"]
[PlyCount "86"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nbd7 7. d4 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 a6 11. Rb1 Rb8 12. b3 c5 13. Nde2 b5 14. cxb5 axb5 15. Nf4 b4 16. Na4 Nb6 17. Nxb6 Qxb6 18. Bb2 Bb7 19. Bxf6 Bxf6 20. Nd5 Bxd5 21. Qxd5 Bd4 22. Re2 Qa6 23. Rc2 Re5 24. Qc4 Qxc4 25. bxc4 Ra8 26. Kf1 Ra3 27. Rb3 Ra4 28. Bf3 Re7 29. Rd3 h5 30. h4 Kf8 31. Kg1 Rea7 32. Rdd2 Ra3 33. Kg2 Ke7 34. g4 hxg4 35. Bxg4 Ra8 36. h5 gxh5 37. Bxh5 Rg8+ 38. Kf1 Rh3 39. Bd1 Rh1+ 40. Ke2 Bc3 41. Rd5 Rgg1 42. Rxc3 bxc3 43. Bb3 Rb1 0-1

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.06"]
[Round "9.1"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "La Villa Rivas, Marlon Javier"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2296"]
[BlackElo "2257"]
[PlyCount "77"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 Bb4 9. Bd3 0-0 10. h3 Na5 11. a3 Bxc3 12. Qxc3 Qxc3+ 13. bxc3 d5 14. exd5 Nxd5 15. Bd2 Nb6 16. 0-0 Nbc4 17. Be1 Bd7 18. Bf2 Rac8 19. Rfb1 b5 20. Nb3 f6 21. Nc5 Rfd8 22. Nxa6 e5 23. fxe5 fxe5 24. Nc5 Be8 25. Re1 Rd5 26. Na6 Rd6 27. Nb4 Bg6 28. Bg3 Re8 29. a4 Rde6 30. axb5 e4 31. Be2 Bf5 32. Nc6 Ne3 33. Rxa5 Rg6 34. Kh2 Nxc2 35. Rc1 e3 36. Bh5 e2 37. Bxg6 Bxg6 38. b6 Be4 39. b7 1-0

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.06"]
[Round "8.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Perez Leiva, Jerzy Jesus"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2296"]
[BlackElo "2284"]
[PlyCount "59"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f4 Bb4 9. Bd3 d6 10. Nb3 0-0 11. a3 Bxc3 12. Qxc3 Bd7 13. h3 Rfc8 14. 0-0 b5 15. a4 b4 16. Qd2 a5 17. Qf2 Qb7 18. Qh4 Ne8 19. e5 f5 20. exf6 Nxf6 21. g4 d5 22. Nc5 Qa7 23. Rae1 d4 24. g5 Qxc5 25. gxf6 g6 26. Bxg6 hxg6 27. Qh6 Qf8 28. Qxg6+ Kh8 29. Qh5+ Kg8 30. Qg6+ 1/2-1/2

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.05"]
[Round "6.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Campos Jimenez, Augusto Cesar"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "2296"]
[BlackElo "2283"]
[PlyCount "107"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Be7 8. d4 d6 9. c3 0-0 10. Nbd2 exd4 11. cxd4 Nb4 12. Qe2 c5 13. a3 Nc6 14. e5 dxe5 15. dxe5 Nh5 16. Nf1 c4 17. Bc2 f5 18. exf6 Bxf6 19. Qe6+ Kh8 20. Qg4 g6 21. Bh6 Bg7 22. Bxg7+ Nxg7 23. Ng5 Qf6 24. Qh4 Nh5 25. Re6 Qf4 26. Re4 Qxh4 27. Rxh4 Rf4 28. Rxf4 Nxf4 29. Nf7+ Kg7 30. Nd6 Nd4 31. Nxb7 Nxc2 32. Rd1 Nd3 33. Rd2 Nd4 34. Ne3 Rf8 35. Nd6 Rd8 36. Ne4 Nb3 37. Rc2 Ndc5 38. Nxc5 Nxc5 39. Kf1 Rd3 40. Ke2 Na4 41. Nxc4 bxc4 42. Rxc4 Nxb2 43. Rb4 Rxa3 44. Rxb2 h5 45. Rb6 Kf7 46. f4 a5 47. Ra6 a4 48. Kf2 h4 49. Ke2 Kg7 50. Kf2 Kh6 51. h3 Ra2+ 52. Kf3 a3 53. Ra8 Kg7 54. Ra6 1/2-1/2

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.05"]
[Round "7.2"]
[White "Gonzalez Parra, Harold Manuel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2265"]
[BlackElo "2296"]
[PlyCount "116"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. Qb3 Nb6 9. d3 h6 10. Be3 e5 11. a3 Be6 12. Qc2 Nd5 13. Bc5 Re8 14. e4 Nb6 15. b4 a6 16. h3 Qd7 17. Kh2 Rad8 18. Rfd1 Nd4 19. Bxd4 exd4 20. Ne2 Rc8 21. a4 Qd6 22. b5 c5 23. bxa6 bxa6 24. a5 Nd7 25. Nf4 c4 26. dxc4 Rxc4 27. Qd2 d3 28. Rab1 Nc5 29. Rb6 Qd7 30. Ne1 Bc3 31. Qe3 Bxa5 32. Rbb1 Bxe1 33. Rxe1 Kh7 34. e5 Rd8 35. Rb6 Qd4 36. Qf3 d2 37. Nxe6 Qd7 38. Rd1 Nxe6 39. Rd6 Qe7 40. R1xd2 Rd4 41. Rxd8 Rxd8 42. Rd6 Re8 43. Qd5 Nc7 44. Qc6 Rd8 45. f4 Ne8 46. Rxd8 Qxd8 47. Qxa6 Qd7 48. Qb7 Qxb7 49. Bxb7 Kg7 50. Bd5 Nc7 51. Bc4 f6 52. Kg2 g5 53. Kf3 gxf4 54. gxf4 fxe5 55. fxe5 Kg6 56. Kg4 Ne8 57. h4 Ng7 58. h5+ Nxh5 1/2-1/2

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.04"]
[Round "5.3"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Soria Delgado, Kadir"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2296"]
[BlackElo "2257"]
[PlyCount "33"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Bd6 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 0-0 12. Qh5 g6 13. Qxd5 Qc7 14. c4 Be6 15. Qf3 Bxc4 16. Bh6 Bxd3 17. Qf6 1-0

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.03"]
[Round "4.1"]
[White "La Villa Rivas, Marlon Javier"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2257"]
[BlackElo "2296"]
[PlyCount "112"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a4 b4 9. a5 0-0 10. Nbd2 Be6 11. Nc4 h6 12. h3 Nd7 13. Be3 Bf6 14. Ba4 Ne7 15. Qd2 Rb8 16. Kh2 Ng6 17. Ba7 Ra8 18. Qe3 Bxc4 19. dxc4 c5 20. Bxd7 Qxd7 21. Bb6 Qc6 22. Rfd1 Ne7 23. Rd2 Nc8 24. Rad1 Be7 25. g4 Nxb6 26. axb6 Qxb6 27. g5 hxg5 28. Nxg5 Qd8 29. Nf3 Qc8 30. Rg1 Qe6 31. Ng5 Qh6 32. f4 exf4 33. Qxf4 Bxg5 34. Qxg5 Qxg5 35. Rxg5 Rfd8 36. Rgd5 f6 37. Kg3 a5 38. b3 a4 39. Kf4 a3 40. Rd1 Kf7 41. R5d3 Ke6 42. h4 a2 43. Ra1 Rh8 44. Kg4 g6 45. c3 bxc3 46. Rxc3 Rhb8 47. Kf4 Ra3 48. Rg3 Rbxb3 49. Rxb3 Rxb3 50. Rxa2 Rh3 51. Kg4 Rc3 52. Ra4 Ke5 53. Ra8 Kxe4 54. Re8+ Kd3 55. Re6 Rxc4+ 56. Kg3 Rd4 0-1

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.03"]
[Round "3.3"]
[White "Perez Leiva, Jerzy Jesus"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2284"]
[BlackElo "2296"]
[PlyCount "132"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. c4 d6 8. Nc3 g6 9. Be3 Bg7 10. Rc1 0-0 11. Qe2 Nbd7 12. Rfd1 b6 13. b4 Bb7 14. Nb3 Rac8 15. f3 Rfd8 16. Qf2 d5 17. cxd5 Qd6 18. dxe6 Qxe6 19. Na4 Ne5 20. Be2 Rxc1 21. Rxc1 b5 22. Nac5 Qe7 23. Nxb7 Qxb7 24. Nc5 Qc6 25. Qh4 Re8 26. Qe1 h5 27. Qd1 Qb6 28. Qb3 h4 29. Nd7 Qd6 30. Rd1 Qc7 31. Nxe5 Qxe5 32. Bd4 Qf4 33. Qe3 Nd5 34. Qxf4 Nxf4 35. Bxg7 Kxg7 36. Bf1 Ra8 37. Kf2 Rc8 38. Ke3 g5 39. g3 hxg3 40. hxg3 Nh5 41. Bd3 Rc3 42. e5 f5 43. Kd4 Rc8 44. Rg1 Rd8+ 45. Ke3 Nxg3 46. f4 gxf4+ 47. Kxf4 Rd4+ 48. Kxg3 Rxd3+ 49. Kf4+ Kf7 50. Kxf5 Rf3+ 51. Ke4 Ra3 52. Rg2 Ra4 53. Rb2 Ke6 54. Kd4 a5 55. Kc5 axb4 56. Kxb5 Ra8 57. Re2 Rb8+ 58. Kc4 Rb7 59. Kb3 Rb5 60. Re4 Rxe5 61. Rxb4 Kd6 62. Rc4 Rc5 63. Rh4 Kc6 64. a4 Kb6 65. Kb4 Rg5 66. a5+ Kb7 1/2-1/2

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.02"]
[Round "1.2"]
[White "Campos Jimenez, Augusto Cesar"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2283"]
[BlackElo "2296"]
[PlyCount "109"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Bc4 Qc7 9. Qe2 b5 10. Bxe6 fxe6 11. Nxe6 Qb8 12. e5 dxe5 13. 0-0-0 Kf7 14. Nd8+ Kg8 15. Bxf6 Nxf6 16. fxe5 Bg4 17. exf6 Qf4+ 18. Qd2 Bd6 19. Kb1 Qxd2 20. Rxd2 Rxd8 21. h3 gxf6 22. hxg4 Kf7 23. Ne4 Be7 24. Rf2 Kg6 25. c3 Rd3 26. Rh3 Rxh3 27. gxh3 h5 28. Kc2 hxg4 29. hxg4 Rh4 30. Rg2 Kf7 31. Nd2 Rh3 32. Re2 Bd6 33. Ne4 Be7 34. Nd2 Bd6 35. Re4 Rh2 36. a4 Bf8 37. axb5 axb5 38. Kd3 Rh3+ 39. Re3 Rh4 40. Rg3 b4 41. Nf3 Rh1 42. Nd4 bxc3 43. bxc3 Bd6 44. Rg2 Be5 45. g5 Bxd4 46. Kxd4 fxg5 47. Rxg5 Ke6 48. Kc5 Kd7 49. c4 Kc7 50. Rg7+ Kc8 51. Kb5 Rh5+ 52. c5 Rh6 53. Ra7 Rg6 54. Ra8+ Kc7 55. Ra7+ 1/2-1/2

[Event "Adelquis Remon Memorial-B"]
[Site "Holguin"]
[Date "2017.11.02"]
[Round "2.2"]
[White "Dieguez Alvarez, Mario Enrique"]
[Black "Gonzalez Parra, Harold Manuel"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2296"]
[BlackElo "2265"]
[PlyCount "62"]
[EventDate "2017.11.02"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. g3 dxc4 5. Bg2 e6 6. Ne5 c5 7. Qa4+ Nbd7 8. Nxd7 Bxd7 9. Qxc4 Rc8 10. 0-0 Qb6 11. dxc5 Bxc5 12. Qb3 Bxf2+ 13. Kh1 Bc6 14. Nc3 Bd4 15. Qxb6 Bxb6 16. Bg5 Ng4 17. h3 Bxg2+ 18. Kxg2 Ne3+ 19. Bxe3 Bxe3 20. Rad1 Ke7 21. Rd3 Bb6 22. Na4 Ba5 23. Rb3 b6 24. Rb5 Bd2 25. Rd1 Rhd8 26. Kf3 Rc4 27. b3 Rc2 28. Ra1 Bh6 29. Rh5 f5 30. g4 fxg4+ 31. hxg4 Rf8+ 0-1

[Event "Capablanca Memorial op 51st"]
[Site "Varadero"]
[Date "2016.06.10"]
[Round "2"]
[White "Martinez Duany, Lelys Stanley"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2508"]
[BlackElo "2324"]
[PlyCount "141"]
[EventDate "2016.06.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. Nbd2 Bf5 8. b3 Nbd7 9. Bb2 a5 10. a4 Ne4 11. Nh4 Nxd2 12. Qxd2 Be6 13. Rfc1 Nf6 14. Nf3 Ne4 15. Qe3 f5 16. Ne5 Bf6 17. f3 Bg5 18. Qd3 Bxc1 19. Bxc1 Nd6 20. Bh6 Rf6 21. Bg5 Rf8 22. c5 Nf7 23. Nxf7 Rxf7 24. Qe3 Bd7 25. h4 h5 26. Bf4 Kh7 27. Be5 b5 28. Qf4 Qf8 29. Qd2 Qd8 30. Bf1 Ra7 31. e3 e6 32. Bd3 Be8 33. Qc3 bxa4 34. Rxa4 Rfb7 35. Kg2 Qa8 36. Kh3 Rb5 37. Ra1 a4 38. Bxb5 cxb5 39. c6 Qxc6 40. Qb4 Rf7 41. bxa4 bxa4 42. Qb8 Qb5 43. Qd8 Qd7 44. Qg5 Qe7 45. Rb1 a3 46. Rb8 a2 47. Ra8 a1Q 48. Rxa1 Qb7 49. Bf4 Rg7 50. Qh6+ Kg8 51. Be5 Rh7 52. Qg5 Qe7 53. Ra8 Qxg5 54. hxg5 Kf8 55. Bd6+ Kf7 56. Kh4 Bb5 57. Rf8+ Kg7 58. Rf6 Rh8 59. Be5 Re8 60. Rxe6+ Kh7 61. Rb6 Be2 62. Rb7+ Kg8 63. Rg7+ Kf8 64. Rxg6 Bxf3 65. Rh6 Ke7 66. g6 Rg8 67. Kg5 Bg4 68. g7 Kf7 69. Ra6 Rd8 70. Rf6+ Kg8 71. Kh6 1-0

[Event "Capablanca Memorial op 51st"]
[Site "Varadero"]
[Date "2016.06.09"]
[Round "1"]
[White "Borges Feria, Yasel"]
[Black "Dieguez Alvarez, Mario Enrique"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2427"]
[BlackElo "2324"]
[PlyCount "89"]
[EventDate "2016.06.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CUB"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. h3 d6 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. Bd3 a6 10. Qd2 Kh7 11. Nf3 exd5 12. exd5 Nbd7 13. a4 Qc7 14. 0-0 Re8 15. Rfe1 Nf8 16. Rab1 N6d7 17. g4 b6 18. Bf4 Ne5 19. Nxe5 dxe5 20. Bg3 f5 21. f3 Qf7 22. Kh2 Nd7 23. Kg2 Rf8 24. Rf1 Bb7 25. Rbe1 Rae8 26. a5 h5 27. axb6 Nxb6 28. Nd1 Qe7 29. Qc2 Bc8 30. Nf2 Qf6 31. h4 e4 32. fxe4 f4 33. Nh3 Bxg4 34. Ng5+ Kh8 35. Rxf4 Qxf4 36. Bxf4 Rxf4 37. e5 Rxe5 38. Rf1 Rxf1 39. Kxf1 Re3 40. Bxg6 Be2+ 41. Kg2 Bd4 42. Qf5 Bg7 43. Nf7+ Kg8 44. Bh7+ Kf8 45. Ne5+ 1-0

