[Event "Benidorm op-B"]
[Site "Benidorm"]
[Date "2022.12.11"]
[Round "9"]
[White "Diez Viera, Oscar"]
[Black "Camison Zornoza, Cesar"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1858"]
[BlackElo "1875"]
[PlyCount "75"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 e5 3. g3 Bc5 4. Bg5 h6 5. Bxf6 Qxf6 6. Qe2 Qb6 7. c3 a5 8. Nf3 d6 9. Bg2 Nc6 10. 0-0 Bg4 11. Qc2 Bxf3 12. Bxf3 a4 13. Nd2 Qa7 14. Rab1 0-0 15. b4 axb3 16. axb3 b5 17. b4 Bb6 18. Nb3 Qb7 19. Ra1 Ra4 20. Rxa4 bxa4 21. Nd2 Ra8 22. Ra1 Qa7 23. Nc4 Nd8 24. Bd1 Qb8 25. Rxa4 Ne6 26. Nxb6 cxb6 27. Bg4 Ng5 28. h4 Nh7 29. Qa2 Rxa4 30. Qxa4 Nf6 31. Bf5 g6 32. Bh3 b5 33. Qa6 Kg7 34. c4 bxc4 35. Qxc4 Qa7 36. b5 Qa1+ 37. Kg2 Qb1 38. b6 1/2-1/2

[Event "Benidorm op-B"]
[Site "Benidorm"]
[Date "2022.12.10"]
[Round "8"]
[White "Gomez Fernandez, Fulgencio"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1727"]
[BlackElo "1858"]
[PlyCount "28"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nd2 d5 5. c3 Bd6 6. Bg3 0-0 7. Bd3 Nc6 8. Ngf3 cxd4 9. exd4 Qc7 10. Bh4 Be7 11. Bg3 Bd6 12. Bh4 Be7 13. Bg3 Bd6 14. Bh4 Be7 1/2-1/2

[Event "Mirandela op 3rd"]
[Site "Mirandela"]
[Date "2022.08.17"]
[Round "1"]
[White "Campora, Daniel Hugo"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2397"]
[BlackElo "1856"]
[PlyCount "41"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Nc3 e6 5. Bxc6 Qxc6 6. 0-0 Nf6 7. Re1 Be7 8. d4 a6 9. d5 Qc7 10. d6 Bxd6 11. e5 Be7 12. exf6 Bxf6 13. Nd5 Qd8 14. Bf4 0-0 15. Bc7 Qe8 16. Nxf6+ gxf6 17. Bd6 b6 18. Ne5 fxe5 19. Qf3 Ra7 20. Qf6 Qd8 21. Be7 1-0

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Abreu Sanchez, Leonel Jesus"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1892"]
[BlackElo "1692"]
[PlyCount "111"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d5 5. dxe5 Nxe4 6. Bb5 Bc5 7. 0-0 0-0 8. Qc2 Bg4 9. Bxc6 bxc6 10. Nd4 Bd7 11. Nd2 Ng5 12. N2b3 Bb6 13. a4 a6 14. a5 Ba7 15. Nd2 c5 16. N4f3 Ne6 17. b3 Bc6 18. Bb2 Rb8 19. Rad1 Qe7 20. Ba3 Qd7 21. Ne4 Rfd8 22. Neg5 Nxg5 23. Nxg5 g6 24. Rfe1 Qg4 25. Nf3 d4 26. h3 Qh5 27. Nh2 Qg5 28. g3 d3 29. Rxd3 Rxd3 30. Qxd3 c4 31. h4 cxd3 32. hxg5 Rd8 33. Rd1 Be4 34. Rd2 Kg7 35. Ng4 Bf3 36. Nh2 Be2 37. Nf1 Rd5 38. c4 Rxa5 39. Bb2 Ra2 40. e6+ Kf8 41. Bg7+ Ke7 42. Rxa2 fxe6 43. Bf6+ Kd6 44. Nd2 Bc5 45. Rxa6+ c6 46. Bc3 e5 47. b4 Bd4 48. Bxd4 exd4 49. b5 Kc5 50. bxc6 Kb4 51. c7 Kc3 52. Ra2 Bg4 53. f3 Bc8 54. Kf2 Bd7 55. Ne4+ Kb3 56. Rd2 1-0

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "8"]
[White "Diez Viera, Oscar"]
[Black "Alvarez Pedraza, Aramis"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1892"]
[BlackElo "2440"]
[PlyCount "134"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Bd3 d5 5. e5 Bg4 6. 0-0 e6 7. Nbd2 Ne7 8. c3 h6 9. h3 Bxf3 10. Nxf3 c5 11. b3 Nd7 12. g4 h5 13. Bg5 hxg4 14. hxg4 Qb6 15. Bxe7 Kxe7 16. Kg2 Bh6 17. Rh1 Bf4 18. Qc2 g5 19. Rh7 Rxh7 20. Bxh7 Rc8 21. Qe2 Qa5 22. Qb2 cxd4 23. cxd4 Rc3 24. Rh1 Qc7 25. Qa3+ Ke8 26. Bb1 Nf8 27. Rh8 Qe7 28. Qxa7 Rc8 29. Qa4+ Kd8 30. Bd3 Kc7 31. Qa7 Qb4 32. Rh1 Nd7 33. Rh7 Rf8 34. Qa4 Qxa4 35. bxa4 Kd8 36. Rg7 Ke7 37. Nxg5 Bxg5 38. Rxg5 Nb8 39. Rh5 Nc6 40. Bb5 Nxd4 41. Rh3 Ra8 42. a3 Rg8 43. Rg3 f6 44. exf6+ Kxf6 45. f4 e5 46. fxe5+ Kxe5 47. g5 Nf5 48. Rb3 Rxg5+ 49. Kf2 Rh5 50. Bd7 Rh2+ 51. Kg1 Rh7 52. Bc8 Nd6 53. Bg4 Kd4 54. Rb4+ Nc4 55. Be2 Kc3 56. Bd1 Rg7+ 57. Kh2 d4 58. Rb3+ Kd2 59. Bf3 d3 60. Rb4 Ne5 61. Bxb7 Kc3 62. Be4 d2 63. Rb1 Rg4 64. Bf5 Rxa4 65. Ra1 Nc4 66. Kg2 Ne3+ 67. Kf3 Nxf5 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Burgui Bueno, Juan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1892"]
[BlackElo "1187"]
[PlyCount "37"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Bc5 4. d4 exd4 5. cxd4 Bb4+ 6. Nc3 Nf6 7. Bd3 0-0 8. 0-0 d6 9. Bg5 h6 10. Bh4 Bg4 11. Nd5 Ba5 12. Bxf6 gxf6 13. Qc1 Bxf3 14. gxf3 Nxd4 15. Qxh6 Nxf3+ 16. Kh1 Bd2 17. Nxf6+ Qxf6 18. Qxf6 Ne5 19. Rg1+ 1-0

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "1"]
[White "Diez Viera, Oscar"]
[Black "Vakhidov, Jahongir"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1892"]
[BlackElo "2401"]
[PlyCount "72"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Bg7 6. Bc4 Nc6 7. 0-0 d6 8. Qc2 Nf6 9. Rd1 Bg4 10. Be2 Bxf3 11. Bxf3 0-0 12. Be3 Nd7 13. Nd5 Rc8 14. Qd2 Nce5 15. Be2 Nc4 16. Bxc4 Rxc4 17. Bg5 f6 18. Nxf6+ Bxf6 19. Qd5+ Rf7 20. Bxf6 Nb6 21. Qb5 exf6 22. a4 a6 23. Qb3 Rxe4 24. Rac1 Rxa4 25. Qg3 d5 26. Rc5 Rc4 27. Ra5 Kg7 28. Ra3 Qc7 29. Qxc7 Rfxc7 30. Rad3 Rc1 31. h3 Rxd1+ 32. Rxd1 Rc2 33. Rb1 d4 34. b4 d3 35. Rd1 d2 36. Kh2 Nd5 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "5"]
[White "Ferrete Rueda, Juan Carlos"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "1758"]
[BlackElo "1892"]
[PlyCount "140"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 d6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 g6 6. d3 Bg7 7. 0-0 0-0 8. d4 cxd4 9. Nxd4 Bd7 10. h3 Qb6 11. e3 Rac8 12. Nb3 Ne5 13. c5 dxc5 14. Na4 Bxa4 15. Qe2 Bb5 16. Qc2 Bxf1 17. Bxf1 c4 18. Nd4 Rfd8 19. Ne2 Nd3 20. Nc3 Ne5 21. Bg2 Nd3 22. a4 Ne1 23. Qe2 Nxg2 24. Kxg2 Nd5 25. Nb5 a6 26. Nd4 c3 27. bxc3 Nxc3 28. Qg4 h5 29. Qf4 Nd5 30. Qe4 e6 31. g4 Nf6 32. Qf3 hxg4 33. hxg4 Rxd4 34. exd4 Qxd4 35. Rb1 b6 36. Be3 Qd5 37. Rxb6 Qxf3+ 38. Kxf3 Ra8 39. Rb7 Nd5 40. Bc5 Nc3 41. a5 Nd5 42. Ke4 Rc8 43. Bd6 Nc3+ 44. Kf3 Nb5 45. Bb4 Nd4+ 46. Kg2 Nc6 47. Bd2 Nd4 48. Rb6 Ra8 49. Bc3 Nb5 50. Bb4 Bf8 51. Bd2 Na3 52. Rb7 Nc4 53. Be1 Ne5 54. f3 Nd3 55. Bd2 Nc5 56. Rb6 Rd8 57. Be3 Ra8 58. Bd2 Ra7 59. Be3 Rb7 60. Rc6 Rb5 61. Rc8 Rxa5 62. Kh3 Kg7 63. Bd4+ Kg8 64. g5 Nd7 65. Rd8 Rd5 66. Bb2 a5 67. Ra8 Rxg5 68. Rd8 Rd5 69. Kg4 Ne5+ 70. Bxe5 Rxd8 0-1

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "2"]
[White "Rodriguez Vergara, Julio David"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B76"]
[BlackElo "1892"]
[PlyCount "121"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. g4 h5 10. h3 Bd7 11. 0-0-0 Rc8 12. Kb1 Ne5 13. f4 Nc4 14. Bxc4 Rxc4 15. g5 Ne8 16. f5 Qa5 17. Qd3 Rxc3 18. Qxc3 Qxc3 19. bxc3 Nc7 20. Rhf1 Rc8 21. h4 Na6 22. f6 exf6 23. gxf6 Bf8 24. Kb2 Nc5 25. Rf4 Na4+ 26. Kc1 Nxc3 27. Rg1 Nxa2+ 28. Kd2 Nb4 29. c3 Nc6 30. Nf5 Bxf5 31. exf5 Kh7 32. fxg6+ fxg6 33. Rf2 a6 34. Rfg2 Ne5 35. Bd4 Nf3+ 36. Kd3 Nxh4 37. Rb2 b5 38. Ra2 Rc6 39. Rh1 Nf5 40. f7 Nxd4 41. cxd4 Kg7 42. Rf1 b4 43. d5 Rc3+ 44. Kd4 Kh6 45. Rxa6 Bg7+ 46. Ke4 Rc4+ 47. Kf3 Rc3+ 48. Kf4 Be5+ 49. Ke4 Rc4+ 50. Kd3 Rc3+ 51. Ke2 Bg7 52. Rxd6 b3 53. Rb6 Rh3 54. f8Q Bxf8 55. Rxf8 b2 56. Rfb8 Rh2+ 57. Kd3 h4 58. Rxb2 Rh3+ 59. Ke4 Rc3 60. d6 h3 61. Rh2 1-0

[Event "Zujar Villa Termal blitz 2nd"]
[Site "Lichess.org INT"]
[Date "2020.09.12"]
[Round "3"]
[White "Sanchez Gueldo, Francisco Javier"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "1892"]
[PlyCount "112"]
[EventDate "2020.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 198 Extra"]
[Source "ChessBase"]
[SourceDate "2020.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2020.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 d6 7. Qd2 Nf6 8. 0-0-0 0-0 9. f3 Bd7 10. h4 h5 11. Be2 b5 12. Nxc6 Bxc6 13. Bxb5 Bxb5 14. Nxb5 a6 15. Nd4 Qc7 16. Kb1 Rab8 17. Nb3 Rfc8 18. Bd4 a5 19. Qxa5 Qxc2+ 20. Ka1 Ra8 21. Qb4 Rcb8 22. Rc1 Rxb4 23. Rxc2 Rxb3 24. Kb1 Rb7 25. b3 Nd7 26. Bxg7 Kxg7 27. Rhc1 Nc5 28. Rc3 Rba7 29. a4 Rb8 30. Kc2 Rab7 31. Ra1 Nxb3 32. Ra3 Nd4+ 33. Kd3 Ne6 34. a5 Nc5+ 35. Kd4 Ra7 36. Kd5 Rba8 37. Kc6 Rxa5 38. Rxa5 Rxa5 39. e5 Ne6 40. exd6 Ra6+ 41. Kb7 Rxd6 42. Re3 Rd3 43. Re5 Rd2 44. g4 hxg4 45. fxg4 Rg2 46. h5 Rxg4 47. hxg6 Rxg6 48. Kc8 Rg5 49. Re4 Rd5 50. Rg4+ Kf6 51. Rh4 Rd8+ 52. Kb7 Ke5 53. Rh7 Ng5 54. Rg7 Kf6 55. Kc7 Rh8 56. Rg6+ Kxg6 0-1

[Event "Olomouc Summer op 20th"]
[Site "Olomouc"]
[Date "2017.08.16"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Spice, Alan"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "1861"]
[BlackElo "2070"]
[PlyCount "120"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nf6 3. c4 Bc5 4. e3 0-0 5. Ne2 d5 6. cxd5 Nxd5 7. a3 a5 8. Nbc3 Nxc3 9. Nxc3 Nc6 10. Qc2 Be6 11. b3 Qd7 12. Bb2 Bf5 13. Ne4 Be7 14. d3 Rad8 15. Rd1 Bh3 16. 0-0 Bxg2 17. Kxg2 Qd5 18. Qc4 f5 19. Qxd5+ Rxd5 20. Nc3 Rd7 21. Kf3 Rfd8 22. Ke2 Bf6 23. f3 Be7 24. f4 exf4 25. gxf4 Bc5 26. Rf3 Be7 27. Nb5 g6 28. Rg3 Kf7 29. Rh3 Kg8 30. Rg3 Kf7 31. Rh3 h5 32. Rg3 Bh4 33. Rh3 Be7 34. Rg3 Bh4 35. Rh3 Bf6 36. Bxf6 Kxf6 37. Rg3 Ne7 38. Nc3 Kf7 39. h4 c6 40. Rd2 Nd5 41. Nxd5 Rxd5 42. Rg1 Rc5 43. d4 Rb5 44. Rb1 c5 45. a4 Rb4 46. dxc5 Rxd2+ 47. Kxd2 Ke6 48. Kc3 Kd5 49. Rg1 Re4 50. Kd3 Re6 51. Rc1 Rc6 52. Rc4 Rxc5 53. Rd4+ Kc6 54. Kd2 Rd5 55. Kc3 Kc5 56. Rc4+ Kd6 57. Rd4 Kc6 58. Kd3 Kc5 59. Kc3 Kc6 60. Kd3 Kc5 1/2-1/2

[Event "Gipuzkoa-ch"]
[Site "Donostia"]
[Date "2015.10.10"]
[Round "2.7"]
[White "Galarza Cenzano, Inigo"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2013"]
[BlackElo "1821"]
[PlyCount "41"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. a4 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Ne7 7. 0-0 d6 8. d4 cxd4 9. Nxd4 Nbc6 10. Be3 0-0 11. Qd2 Qc7 12. Nb3 Ne5 13. Nd1 Nc4 14. Qc1 Nxe3 15. Nxe3 b6 16. e5 Rb8 17. exd6 Qxd6 18. Rd1 Qc7 19. c3 Bh6 20. Qc2 Bb7 21. Bxb7 1/2-1/2

[Event "Gipuzkoa-ch"]
[Site "Donostia"]
[Date "2015.10.03"]
[Round "1.7"]
[White "Diez Viera, Oscar"]
[Black "Garro Beraza, Julen"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1821"]
[BlackElo "2000"]
[PlyCount "90"]
[EventDate "2015.10.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. Be3 d6 7. f4 Nge7 8. Nf3 0-0 9. 0-0 b6 10. Qd2 Bb7 11. Nd1 Qd7 12. c3 Rad8 13. d4 Na5 14. Qd3 Qc8 15. Re1 Rfe8 16. b3 f5 17. Nd2 cxd4 18. cxd4 Ba6 19. Qb1 Nac6 20. Qb2 Nb4 21. Nf2 Bb7 22. Rac1 Qa8 23. a3 Nbc6 24. b4 e5 25. Qb3+ Kh8 26. d5 Nd4 27. Bxd4 exd4 28. Rc7 Nxd5 29. Rxg7 Kxg7 30. Qc4 Nf6 31. Qxd4 d5 32. e5 Kf7 33. Rc1 Ng8 34. Rc7+ Re7 35. e6+ Kxe6 36. Rxe7+ Nxe7 37. Nf3 Qc8 38. Nd3 Qc2 39. Ng5+ Kd7 40. Ne1 Qc1 41. Qe5 Re8 42. Qe6+ Kc7 43. Qe5+ Kd7 44. Qe6+ Kc7 45. Qe5+ Kd7 1/2-1/2

[Event "San Sebastian Primavera de Gros op 11th"]
[Site "San Sebastian"]
[Date "2015.06.06"]
[Round "7"]
[White "Diez Viera, Oscar"]
[Black "Moreno Estebanez, Patxi"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1842"]
[BlackElo "1592"]
[PlyCount "92"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4 d5 7. e5 Ne7 8. Nf3 h5 9. a3 Nf5 10. Qe2 Nd7 11. Nd1 d4 12. Nf2 Nb6 13. 0-0 Nd5 14. Re1 Qb6 15. Nd1 c4 16. Kh1 Rc8 17. b3 cxb3 18. cxb3 Nc3 19. Nxc3 dxc3 20. b4 Bxf3 21. Bxf3 h4 22. Kg2 hxg3 23. hxg3 Be7 24. Be3 Qxe3 25. Qxe3 Nxe3+ 26. Rxe3 a5 27. Re4 g5 28. Rc1 gxf4 29. gxf4 Rg8+ 30. Kf2 axb4 31. axb4 Bh4+ 32. Ke2 Bg3 33. Rc2 Bh2 34. Rd4 Rg1 35. Bb7 Rc7 36. Bf3 Rb1 37. Re4 Bg3 38. Bg4 Be1 39. f5 Bd2 40. fxe6 fxe6 41. Bxe6 Rb2 42. Kd1 Ra7 43. Rxb2 cxb2 44. Kc2 Bc1 45. Re1 Ra1 46. Ba2 Rxa2 0-1

[Event "San Sebastian Primavera de Gros op 11th"]
[Site "San Sebastian"]
[Date "2015.05.23"]
[Round "5"]
[White "Diez Viera, Oscar"]
[Black "Izagirre Alsua, Aritz"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1842"]
[BlackElo "1908"]
[PlyCount "154"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 e6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 Ne7 7. 0-0 Nbc6 8. c3 0-0 9. Na3 f5 10. Be3 b6 11. exf5 Nxf5 12. Bf2 d5 13. d4 cxd4 14. Nxd4 Ncxd4 15. cxd4 Qf6 16. Nc2 Ba6 17. Re1 Rac8 18. Nb4 Bb7 19. Nc2 Rc7 20. g4 Nd6 21. Qe2 Ne4 22. Bxe4 dxe4 23. Be3 Rfc8 24. Rac1 a5 25. Qd2 Qh4 26. Na3 Rxc1 27. Rxc1 Rxc1+ 28. Qxc1 Qxg4+ 29. Kf2 Qf3+ 30. Kg1 Bxd4 31. Nc2 Bxe3+ 32. Qxe3 Qxe3+ 33. Nxe3 Bd5 34. a3 b5 35. Kf2 h5 36. Nd1 b4 37. axb4 axb4 38. Ke3 Kf7 39. Nf2 Kf6 40. Nxe4+ Bxe4 41. Kxe4 g5 42. fxg5+ Kxg5 43. Ke5 h4 44. Kxe6 Kf4 45. Kd5 h3 46. Kc4 Kf3 47. Kxb4 Kg2 48. Ka5 Kxh2 49. b4 Kg1 50. b5 h2 51. Kb6 h1Q 52. Kc7 Qh6 53. b6 Qg7+ 54. Kb8 Qf8+ 55. Ka7 Qc5 56. Ka8 Qa5+ 57. Kb7 Kf2 58. Kc6 Qa6 59. Kc7 Qc4+ 60. Kb8 Qg8+ 61. Ka7 Qc8 62. b7 Qc7 63. Ka8 Qa5+ 64. Kb8 Qb6 65. Kc8 Qc6+ 66. Kb8 Ke3 67. Ka7 Qc7 68. Ka8 Qa5+ 69. Kb8 Qb6 70. Ka8 Qa5+ 71. Kb8 Kd4 72. Kc8 Qc5+ 73. Kd7 Qb6 74. Kc8 Qc6+ 75. Kb8 Kc5 76. Ka7 Qb6+ 77. Ka8 Qa6+ 0-1

[Event "San Sebastian Primavera de Gros op 11th"]
[Site "San Sebastian"]
[Date "2015.05.16"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Esnaola Gaston, Fernando"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1842"]
[BlackElo "1912"]
[PlyCount "49"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 dxe4 5. Nxe4 Nf6 6. d3 Nxe4 7. Bxe4 Nd7 8. Ne2 Nf6 9. Bg2 Qc7 10. 0-0 Bd7 11. c3 Bc6 12. f3 Bd6 13. Kh1 0-0 14. Be3 Rad8 15. Qc2 b6 16. d4 Ba8 17. Rad1 e5 18. dxe5 Bxe5 19. c4 Rxd1 20. Rxd1 Rd8 21. b3 Rxd1+ 22. Qxd1 Qd7 23. Qxd7 Nxd7 24. Nf4 Nf6 25. g4 1/2-1/2

[Event "San Sebastian Primavera de Gros op 11th"]
[Site "San Sebastian"]
[Date "2015.05.09"]
[Round "3"]
[White "Miguelez Garcia, Erlantz"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "1946"]
[BlackElo "1842"]
[PlyCount "61"]
[EventDate "2015.04.25"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. g3 e6 5. Bg2 dxc4 6. 0-0 Nbd7 7. Qc2 b5 8. Rd1 Bb7 9. a4 a6 10. Nbd2 Bb4 11. b3 cxb3 12. Nxb3 Nd5 13. Bb2 N7b6 14. Nc5 Qc7 15. Nxb7 Qxb7 16. e4 Ne7 17. d5 0-0 18. d6 Ng6 19. Bxg7 Rfd8 20. axb5 axb5 21. Rxa8 Qxa8 22. Bf6 Rxd6 23. e5 Rxd1+ 24. Qxd1 Nd5 25. h4 Nxf6 26. exf6 Bc3 27. h5 Nf8 28. Nd4 Qa1 29. Qxa1 Bxa1 30. Nxc6 Bxf6 31. Bf1 1/2-1/2

[Event "Gipuzkoa-ch"]
[Site "Donostia"]
[Date "2014.10.25"]
[Round "4.9"]
[White "Esnaola Gaston, Fernando"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1940"]
[BlackElo "1805"]
[PlyCount "44"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Qxd4 11. Nxd4 a6 12. Re1 Bd7 13. Bg5 0-0-0 14. Rad1 h6 15. Bh4 Bc5 16. Nf3 b5 17. Bb3 g5 18. Bg3 Nh5 19. Ne5 Nxg3 20. hxg3 Be8 21. c3 Bd6 22. Kf1 Bxe5 1/2-1/2

[Event "Gipuzkoa-ch"]
[Site "Donostia"]
[Date "2014.10.04"]
[Round "1.5"]
[White "Segovia Sanchez, Antonio"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2030"]
[BlackElo "1805"]
[PlyCount "96"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 b6 7. 0-0 Bd6 8. b3 0-0 9. Bb2 Re8 10. Qc2 Bb7 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 Nf6 14. Bd3 h6 15. Rad1 Rc8 16. Qe2 Qc7 17. Ne5 c5 18. dxc5 Bxc5 19. Ng4 Nxg4 20. Qxg4 Bf8 21. Rfe1 f5 22. Qg6 Qf7 23. Qg3 Rcd8 24. Be5 Bb4 25. Rf1 Rd7 26. Bf4 Kh8 27. Be2 Red8 28. h3 Rxd1 29. Bxd1 Be4 30. Be2 g5 31. Be5+ Kh7 32. Qe3 Bd2 33. Qg3 Bb4 34. Bc3 f4 35. Qg4 Bxc3 36. g3 Qf5 37. Qh5 f3 38. Bd1 Bd3 39. Bxf3 Bxf1 40. Kxf1 Rf8 41. Kg2 e5 42. h4 e4 43. Be2 Qxf2+ 44. Kh3 Qf5+ 45. Kg2 gxh4 46. Qxh4 Qf2+ 47. Kh3 Qxe2 48. Qe7+ Bg7 0-1

[Event "Donostia Spring op 09th"]
[Site "Donostia"]
[Date "2013.05.18"]
[Round "6"]
[White "Diaz Herrero, Alvaro"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2160"]
[BlackElo "1807"]
[PlyCount "51"]
[EventDate "2013.04.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Qb6 7. Nb3 h6 8. Bxf6 gxf6 9. Nd5 Qd8 10. Qh5 e6 11. Ne3 a5 12. a4 Rg8 13. Bb5 Bd7 14. 0-0 Rg5 15. Qh3 Nb4 16. Bxd7+ Qxd7 17. f4 Rg8 18. f5 e5 19. Rfd1 Be7 20. c3 Nc6 21. Nd5 Qd8 22. Qxh6 b6 23. Nd2 Kd7 24. Nc4 Rb8 25. Nxf6+ Kc7 26. Nxg8 1-0

[Event "Donostia Spring op 09th"]
[Site "Donostia"]
[Date "2013.05.04"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Lakunza Oyarbide, Juan Carlos"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1807"]
[BlackElo "2122"]
[PlyCount "70"]
[EventDate "2013.04.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6 5. exd5 Qxd5 6. d4 Bd7 7. Bb5 a6 8. Bxc6 Bxc6 9. Qc2 exd4 10. cxd4 0-0-0 11. Nc3 Qh5 12. d5 Bxd5 13. Nxd5 Rxd5 14. 0-0 Bd6 15. h3 g5 16. Qe4 Ne7 17. Qe6+ Kb8 18. Qxf6 Rg8 19. Bxg5 Rf5 20. Qc3 Nd5 21. Qb3 Rxf3 22. Qxf3 Qxf3 23. gxf3 Rxg5+ 24. Kh1 Rh5 25. Rab1 Rxh3+ 26. Kg1 Bh2+ 27. Kh1 Bd6+ 28. Kg1 Nf4 29. Rfe1 Rxf3 30. Re8+ Ka7 31. Rh8 h5 32. Re1 Rd3 33. b3 Rd2 34. a4 a5 35. f3 Nh3+ 0-1

[Event "San Sebastian Primavera de Gros op 8th"]
[Site "San Sebastian"]
[Date "2012.05.12"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Aranzabal Minguez, Alex"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1813"]
[BlackElo "1913"]
[PlyCount "96"]
[EventDate "2012.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Qd4 Nf6 7. e5 Nd5 8. e6 f6 9. exd7+ Bxd7 10. Bc4 e5 11. Qd1 Be6 12. 0-0 Bg7 13. Nc3 0-0 14. Nxd5 Bxd5 15. Bxd5+ cxd5 16. c3 f5 17. Re1 Rb8 18. Qc2 Qb6 19. Qb3 Rfd8 20. Bg5 Rd7 21. Qa4 Qb5 22. Qxb5 Rxb5 23. Re2 h6 24. Be3 f4 25. Bc1 a5 26. b3 Kf7 27. Ba3 e4 28. Rd1 Rbb7 29. Red2 Bxc3 30. Rxd5 Rxd5 31. Rxd5 a4 32. h4 axb3 33. axb3 Rxb3 34. Rd7+ Ke6 35. Re7+ Kf6 36. Bd6 Rb6 37. Rc7 Rxd6 38. Rxc3 Rd1+ 39. Kh2 Rf1 40. Rc2 g5 41. hxg5+ hxg5 42. g4 e3 43. fxe3 fxe3 44. Kg2 Rf4 45. Kg3 Ke5 46. Rc5+ Ke4 47. Rc8 e2 48. Kh3 Kf3 0-1

[Event "San Sebastian Primavera de Gros op 8th"]
[Site "San Sebastian"]
[Date "2012.04.28"]
[Round "2"]
[White "Diez Viera, Oscar"]
[Black "Gonzalez Blanco, Aitor"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1813"]
[BlackElo "2012"]
[PlyCount "106"]
[EventDate "2012.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 c6 6. Qd2 Qa5 7. Bh6 Bxh6 8. Qxh6 b5 9. Qd2 Nbd7 10. a3 Rb8 11. b4 Qc7 12. f4 a6 13. Nf3 Bb7 14. e5 Nh5 15. g4 c5 16. Bg2 cxb4 17. axb4 Nxf4 18. exd6 Nxg2+ 19. Kf2 Qxd6 20. Kxg2 Qxb4 21. Rhe1 h5 22. Rxe7+ Qxe7 23. Re1 hxg4 24. Rxe7+ Kxe7 25. Qg5+ Nf6 26. Qe5+ Kd7 27. Qxf6 gxf3+ 28. Kg3 Rh7 29. h4 Rc8 30. d5 Rc4 31. h5 Rxc3 32. Qxc3 Bxd5 33. hxg6 fxg6 34. Qd3 Rh5 35. Qxg6 Re5 36. Qxa6 Bc6 37. Qa7+ Kd6 38. Qb8+ Ke6 39. Qb6 Kd6 40. Qd8+ Ke6 41. c3 Re2 42. Qg8+ Kd6 43. Qf8+ Kc7 44. Qf4+ Kb7 45. Qf7+ Kb6 46. Qf6 Rg2+ 47. Kh3 f2 48. Kh4 Ka5 49. Qd8+ Ka4 50. Qf6 Kb3 51. Kh3 Kc2 52. Kh4 Be4 53. Kh3 Bd3 0-1

[Event "Gipuzkoa-ch U18"]
[Site "Donostia"]
[Date "2009.12.30"]
[Round "6.2"]
[White "Diez Viera, Oscar"]
[Black "Etxagibel Larranaga, Asier"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1848"]
[BlackElo "1945"]
[PlyCount "84"]
[EventDate "2009.12.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. f3 c5 5. e3 Be7 6. Qd2 Bd7 7. g4 Nc6 8. 0-0-0 a6 9. h4 b5 10. h5 cxd4 11. exd4 h6 12. Kb1 b4 13. Na4 Nxd4 14. Qxd4 Bxa4 15. g5 hxg5 16. Bc1 Rxh5 17. Rxh5 Nxh5 18. Qg4 g6 19. Nh3 Qc7 20. Bd3 Rc8 21. Qg2 Nf4 22. Nxf4 gxf4 23. Rh1 Qe5 24. Qd2 Bb5 25. Bxb5+ axb5 26. Re1 Qc7 27. Re2 Ra8 28. b3 Qa5 29. c3 bxc3 30. Qxf4 Rc8 31. Rc2 Qc7 32. Qh6 Qe5 33. f4 Qf6 34. Qh3 d4 35. Qd3 b4 36. Qb5+ Kf8 37. Qd3 Kg7 38. Rh2 Rd8 39. Qh3 Qf5+ 40. Qxf5 gxf5 41. Rh1 Bc5 42. Rd1 d3 0-1

[Event "Gipuzkoa-ch U18"]
[Site "Donostia"]
[Date "2009.12.29"]
[Round "5.3"]
[White "Diez Viera, Oscar"]
[Black "Sanchez Ruesga, Hector"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1848"]
[BlackElo "1852"]
[PlyCount "98"]
[EventDate "2009.12.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 d5 5. exd5 Qxd5 6. Be2 Nf6 7. c4 Qd8 8. dxc5 Qxd1+ 9. Bxd1 Bxc5 10. 0-0 0-0 11. b3 Re8 12. Bb2 e5 13. Nc3 e4 14. Ne1 e3 15. fxe3 Rxe3 16. Kh1 Bd4 17. Na4 Bxb2 18. Nxb2 Nd4 19. Nf3 Nf5 20. Bc2 Re2 21. Bxf5 Bxf5 22. Na4 Be4 23. Nc3 Rc2 24. Rac1 Rb2 25. Rfe1 Bc6 26. Re2 Rxe2 27. Nxe2 Bxf3 28. gxf3 Rd8 29. Rc2 g5 30. h3 h5 31. Nc3 Rd3 32. Kg2 g4 33. hxg4 hxg4 34. fxg4 Nxg4 35. Rc1 f5 36. Nd5 Kf7 37. Nb4 Rd2+ 38. Kf3 a5 39. Rc2 Rd1 40. Nd5 Kg6 41. Re2 Rd3+ 42. Kg2 Rd4 43. Re6+ Kg5 44. a4 Rd2+ 45. Kf1 Nh2+ 46. Ke1 Nf3+ 47. Kf1 Nh2+ 48. Kg1 Nf3+ 49. Kf1 Nh2+ 1/2-1/2

[Event "Gipuzkoa-ch U18"]
[Site "Donostia"]
[Date "2009.12.28"]
[Round "4.3"]
[White "Garro Beraza, Julen"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1869"]
[BlackElo "1848"]
[PlyCount "299"]
[EventDate "2009.12.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. f3 g6 7. Be3 Bg7 8. Qd2 Bd7 9. Bc4 a6 10. 0-0-0 b5 11. Bb3 Ne5 12. Bh6 0-0 13. Bxg7 Kxg7 14. h4 Nc4 15. Qg5 h6 16. Qg3 Nh5 17. Qf2 Rc8 18. Rhe1 b4 19. Nd5 a5 20. Bxc4 Rxc4 21. g4 Nf6 22. Nb6 Rc7 23. Nxd7 Nxd7 24. f4 a4 25. Kb1 a3 26. e5 d5 27. e6 Nc5 28. exf7 Rxf7 29. Ne6+ Nxe6 30. Rxe6 Rc4 31. g5 Rcxf4 32. gxh6+ Kh7 33. Qg3 R4f6 34. Rxf6 Rxf6 35. h5 Qf8 36. hxg6+ Rxg6 37. Qd3 Qf6 38. bxa3 bxa3 39. Qxa3 Qe5 40. Qd3 Qb8+ 41. Ka1 e6 42. Rg1 Qe5+ 43. c3 Qf5 44. Qxf5 exf5 45. Rxg6 Kxg6 46. Kb1 Kxh6 47. a4 Kg5 48. a5 f4 49. Kc1 Kg4 50. a6 f3 51. Kd2 Kg3 52. a7 f2 53. a8Q f1Q 54. Qg8+ Kh4 55. Qxd5 Qf4+ 56. Kc2 Qa4+ 57. Qb3 Qe4+ 58. Kb2 Qe2+ 59. Ka3 Kg5 60. Qd5+ Kf6 61. Kb4 Qe7+ 62. Qc5 Qb7+ 63. Kc4 Qa6+ 64. Kd4 Qa1 65. Kd5 Qh1+ 66. Kd6 Qh2+ 67. Kc6 Qh1+ 68. Qd5 Qa1 69. Qd4+ Ke7 70. Qd6+ Kf7 71. c4 Qa8+ 72. Kd7 Qe8+ 73. Kc7 Qe1 74. c5 Qa5+ 75. Kd7 Qa7+ 76. Qc7 Qa4+ 77. c6 Qd4+ 78. Kc8+ Kg6 79. Qd7 Qh8+ 80. Qd8 Qh3+ 81. Kb7 Qb3+ 82. Qb6 Qf3 83. Ka7 Qa3+ 84. Qa6 Qc5+ 85. Kb7 Qd5 86. Qb6 Kh6 87. Kb8 Qg8+ 88. Ka7 Qa2+ 89. Qa6 Qf7+ 90. Kb8 Qb3+ 91. Qb7 Qg8+ 92. Ka7 Qa2+ 93. Qa6 Qf2+ 94. Kb8 Qf8+ 95. Kb7 Qf3 96. Qa5 Qb3+ 97. Kc8 Qh3+ 98. Kd8 Qd3+ 99. Ke7 Qe3+ 100. Kd6 Qg3+ 101. Qe5 Qa3+ 102. Ke6 Qb3+ 103. Ke7 Qc2 104. c7 Qh7+ 105. Kd6 Qd3+ 106. Qd5 Qg3+ 107. Kd7 Qg7+ 108. Kc6 Qc3+ 109. Qc5 Qf3+ 110. Kb6 Qb3+ 111. Ka7 Qa2+ 112. Kb7 Qf7 113. Qd6+ Kh5 114. Kb8 Qb3+ 115. Ka7 Qa2+ 116. Qa6 Qf7 117. Qb7 Qa2+ 118. Kb8 Qh2 119. Qd5+ Kg6 120. Qc6+ Kg7 121. Kb7 Qb2+ 122. Ka8 Qa2+ 123. Kb8 Qh2 124. Qd7+ Kg6 125. Qe8+ Kg7 126. Kc8 Kf6 127. Qd8+ Kg6 128. Qf8 Qd2 129. Qg8+ Kf5 130. Qh7+ Kg5 131. Qd7 Qa5 132. Kd8 Kg6 133. Ke7 Qg5+ 134. Ke8 Qe5+ 135. Kd8 Qa5 136. Qe6+ Kh5 137. Qe2+ Kg6 138. Qe4+ Kh5 139. Qh7+ Kg5 140. Ke8 Qa8+ 141. Kf7 Qd5+ 142. Kf8 Qa8+ 143. Ke7 Qa3+ 144. Kd8 Qa5 145. Qe7+ Kg6 146. Ke8 Qa4+ 147. Kd8 Qa5 148. Qe6+ Kg7 149. Ke8 Qxc7 150. Qe7+ 1/2-1/2

[Event "Gipuzkoa-ch U18"]
[Site "Donostia"]
[Date "2009.12.23"]
[Round "3.1"]
[White "Diez Viera, Oscar"]
[Black "Olabe Odriozola, Eduardo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1848"]
[BlackElo "1833"]
[PlyCount "80"]
[EventDate "2009.12.22"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. f3 c5 3. d4 dxe4 4. fxe4 Qxd4 5. Bd3 Nc6 6. Nf3 Qd6 7. Nc3 Bg4 8. Nb5 Qd7 9. Bf4 0-0-0 10. Qd2 Bxf3 11. gxf3 e5 12. Be3 Qe6 13. Qe2 Be7 14. h4 Qd7 15. 0-0-0 Qe8 16. Bc4 a6 17. Rxd8+ Nxd8 18. Nc3 Nf6 19. Rd1 Qc6 20. Qd2 Ne6 21. Bd5 Qd7 22. Bb3 Qc6 23. Nd5 Bd8 24. Nc3 c4 25. Kb1 cxb3 26. cxb3 Kb8 27. Qh2 Bc7 28. Nd5 Nxd5 29. exd5 Qd7 30. Qg1 Rd8 31. Kc1 Nf4 32. Qxg7 Qf5 33. d6 Nd3+ 34. Kd2 Rxd6 35. Ke2 Nf4+ 36. Bxf4 Rxd1 37. Kxd1 exf4 38. Qh8+ Ka7 39. a4 Qd3+ 40. Kc1 Bb6 0-1

[Event "San Sebastian op 19th"]
[Site "San Sebastian"]
[Date "2009.10.01"]
[Round "8"]
[White "Diez Viera, Oscar"]
[Black "Georgiev, Krum"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1831"]
[BlackElo "2430"]
[PlyCount "76"]
[EventDate "2009.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. b4 Bg7 10. Nd2 0-0 11. Qe3 Nxe4 12. Ndxe4 Bxe4 13. 0-0 Bf5 14. Bb2 Qb6 15. Qxb6 axb6 16. Nd1 Bxb2 17. Nxb2 Ra3 18. Rfe1 Be6 19. Kf1 Rfa8 20. Rec1 Kg7 21. Nd1 Rxa2 22. Rxa2 Rxa2 23. b5 Bf5 24. g3 Bd3+ 25. Kg2 e6 26. Ne3 Be2 27. Nd1 Ra3 28. Ne3 Kf6 29. Rc2 Bd3 30. Rc1 Ke5 31. Ng4+ Kd4 32. Nf6 h5 33. Nd7 Bxc4 34. Nxb6 Bxb5 35. Rd1+ Rd3 36. Rb1 Bc6+ 37. Kf1 Bf3 38. Ke1 Kc3 0-1

[Event "San Sebastian op 19th"]
[Site "San Sebastian"]
[Date "2009.09.30"]
[Round "7"]
[White "Martin Alvarez, Inigo"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2239"]
[BlackElo "1831"]
[PlyCount "168"]
[EventDate "2009.09.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. Be3 Nf6 6. Nc3 Nc6 7. Qb6 Qxb6 8. Bxb6 e6 9. 0-0-0 Bd7 10. Nd2 Ne5 11. f4 Ng6 12. g3 Bc6 13. Bg2 Nd7 14. Nc4 Nxb6 15. Nxb6 Rd8 16. Rd3 Ne7 17. Nc4 Nc8 18. Na5 Be7 19. Ne2 Na7 20. Nd4 Kd7 21. Rhd1 Kc7 22. c4 b6 23. Naxc6 Nxc6 24. Nxc6 Kxc6 25. Ra3 Kb7 26. e5+ Ka7 27. Rad3 Rc8 28. exd6 Rxc4+ 29. Kb1 Bf6 30. Ra3 b5 31. d7 Be7 32. d8Q Rxd8 33. Rxd8 Bxd8 34. Rd3 Bb6 35. Rd7+ Rc7 36. Rd6 Bg1 37. h3 Bf2 38. Rd3 h6 39. a3 a5 40. g4 Kb6 41. Rd6+ Kc5 42. Rd3 a4 43. Rc3+ Kb6 44. Rd3 Bh4 45. Bf3 Rc4 46. f5 exf5 47. gxf5 Bf6 48. Rd6+ Kc7 49. Rd5 b4 50. axb4 Rxb4 51. Rd2 a3 52. Bh5 axb2 53. Bxf7 Rf4 54. Rd1 Rxf5 55. Bg6 Ra5 56. Kc2 Ra1 57. Rb1 Kd6 58. h4 Ra5 59. h5 Rg5 60. Rd1+ Ke6 61. Re1+ Be5 62. Rf1 Kd5 63. Re1 Rg3 64. Bf7+ Kd6 65. Rf1 Rc3+ 66. Kb1 Ra3 67. Kc2 Ra1 68. Rb1 Ke7 69. Bg6 Kf6 70. Rd1 Kg5 71. Rb1 Kf4 72. Rd1 Bf6 73. Rb1 Ke3 74. Rd1 Ke2 75. Rb1 Ra5 76. Bd3+ Ke3 77. Bg6 Rc5+ 78. Kb3 Kd2 79. Ka2 Rb5 80. Rh1 Be7 81. Rh2+ Kc3 82. Rc2+ Kd4 83. Rxb2 Ra5+ 84. Kb3 Rb5+ 1/2-1/2

[Event "San Sebastian op 18th"]
[Site "San Sebastian"]
[Date "2008.09.27"]
[Round "9"]
[White "Diez Viera, Oscar"]
[Black "Gonzalez Pueyo, Patricia"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1882"]
[BlackElo "1551"]
[PlyCount "95"]
[EventDate "2008.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 e6 7. Bf4 e5 8. Bg3 Nf6 9. Ng5 Nd4 10. Bxf7+ Ke7 11. Bc4 Be6 12. Bxe6 Nxe6 13. Nxe6 Kxe6 14. Qb3+ Kd7 15. Qxb7+ Ke8 16. Qc6+ Nd7 17. 0-0 Rc8 18. Qa4 a5 19. Nd5 h5 20. f3 h4 21. Be1 Rc5 22. Bf2 Rc8 23. Rac1 Kf7 24. Rxc8 Qxc8 25. Qxa5 h3 26. g3 Be7 27. Nxe7 Kxe7 28. Rd1 Rf8 29. Qa3 Rf6 30. Be3 Qc2 31. Rd2 Qc1+ 32. Kf2 Qh1 33. Bg5 Qg2+ 34. Ke1 Qg1+ 35. Ke2 Qg2+ 36. Kd1 Qf1+ 37. Kc2 Qc4+ 38. Qc3 Qa4+ 39. Qb3 Qxb3+ 40. Kxb3 Ke6 41. Bxf6 Nxf6 42. a4 Nd7 43. a5 Nc5+ 44. Kc4 Kd7 45. b4 Nb7 46. a6 d5+ 47. Rxd5+ Nd6+ 48. Rxd6+ 1-0

[Event "San Sebastian op 18th"]
[Site "San Sebastian"]
[Date "2008.09.22"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Elduayen Etxabe, Inaki"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1882"]
[PlyCount "54"]
[EventDate "2008.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Be3 Nc6 5. Bb5 Nf6 6. Nc3 Ng4 7. Bc1 0-0 8. Nf3 e5 9. Bxc6 bxc6 10. dxe5 dxe5 11. h3 Qxd1+ 12. Nxd1 Nf6 13. Nxe5 Nxe4 14. Nxc6 Ng3 15. Rg1 Bb7 16. Ne5 Rfe8 17. Kf2 Ne4+ 18. Kf1 Ba6+ 19. Nd3 Bd4 20. Ne3 Ng3+ 21. Kf2 Nf5 22. Re1 Re4 23. g3 Rae8 24. Ne5 f6 25. g4 Rxf4+ 26. Kg1 Nh4 27. Kh2 Rxe5 0-1

[Event "San Sebastian op 18th"]
[Site "San Sebastian"]
[Date "2008.09.21"]
[Round "3"]
[White "Maruejols, Claude"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2044"]
[BlackElo "1882"]
[PlyCount "75"]
[EventDate "2008.09.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 126 Extra"]
[Source "ChessBase"]
[SourceDate "2008.11.05"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Bb4 8. Nd2 0-0 9. Qc2 h6 10. Bh4 Qb6 11. a3 Bd6 12. Rc1 Re8 13. Be2 Nh7 14. 0-0 Nhf8 15. Bd3 a6 16. Rfe1 Qc7 17. Nf1 Qb8 18. f3 b5 19. e4 Bb7 20. e5 Be7 21. Bxe7 Rxe7 22. Ng3 Qa7 23. Qf2 Ne6 24. Nf5 Ree8 25. Ne2 c5 26. Nd6 Reb8 27. f4 c4 28. Bb1 Nb6 29. f5 Nc7 30. Qg3 Rf8 31. f6 Ne6 32. fxg7 Rfd8 33. Nxf7 Kxf7 34. Qg6+ Ke7 35. Qf6+ Kd7 36. Qf7+ Kc6 37. Qxe6+ Kc7 38. Bh7 1-0

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.07.24"]
[Round "8"]
[White "Diez Viera, Oscar"]
[Black "Martin Romero, Divina Tatiana"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1882"]
[PlyCount "115"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 c6 5. d3 Nf6 6. Nge2 g6 7. Bg5 Bg7 8. Qd2 a5 9. a4 0-0 10. Bh6 Bg4 11. f3 Be6 12. Bxg7 Kxg7 13. Bxe6 Qxe6 14. 0-0-0 Nd5 15. Rde1 Qd7 16. h4 h5 17. g4 Rh8 18. gxh5 Rxh5 19. Ng3 Rh6 20. h5 Nf6 21. hxg6 Rxg6 22. Qh2 Na6 23. Nh5+ Nxh5 24. Qxh5 Rg8 25. Qxa5 Kf8 26. Rh2 Qd4 27. Ne4 Rg1 28. Rhe2 R8g2 29. Rxg1 Rxe2 30. Qg5 e6 31. Qg8+ Ke7 32. Qg5+ Kf8 33. Qh6+ Ke7 34. Rg8 Qe3+ 35. Qxe3 Rxe3 36. Rg3 Re1+ 37. Kd2 Ra1 38. b3 Ra2 39. Kc3 Nc7 40. Rg1 Nd5+ 41. Kd2 Nb4 42. Rc1 b6 43. Nc3 Rb2 44. Nd1 Ra2 45. Ne3 Kd6 46. Nc4+ Kc7 47. Ne5 f6 48. Ng4 f5 49. Ne3 Kd7 50. f4 b5 51. axb5 cxb5 52. Rh1 Kd6 53. Rh6 Nd5 54. Nxf5+ Kd7 55. Nd4 Nxf4 56. Nxb5 Nd5 57. Nd4 e5 58. Nf3 1-0

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.07.23"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Fernandez Arroyo, Cesar"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1882"]
[BlackElo "1685"]
[PlyCount "126"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Bd7 5. Nf3 Qb6 6. Be2 Nc6 7. a3 a5 8. b3 Rc8 9. 0-0 Na7 10. c4 cxd4 11. Nxd4 Nc6 12. Nxc6 Bxc6 13. Kh1 Bc5 14. f4 Ne7 15. Nd2 Nf5 16. Nf3 0-0 17. Rb1 Ne3 18. Bxe3 Bxe3 19. Ne1 Rfd8 20. Qc2 dxc4 21. bxc4 Qc5 22. Nd3 Qd4 23. Rbd1 Be4 24. Qb3 Qxc4 25. Qxc4 Rxc4 26. Nb2 Rcd4 27. Nc4 Rxd1 28. Rxd1 Rxd1+ 29. Bxd1 Bxf4 30. Nxa5 Bxe5 31. Kg1 Kf8 32. Nc4 Bd4+ 33. Kf1 Bd3+ 34. Be2 Bxe2+ 35. Kxe2 Ke7 36. Kd3 Bc5 37. a4 b6 38. Ke4 f6 39. h3 Kd7 40. g4 Kc6 41. Kf4 b5 42. axb5+ Kxb5 43. Nd2 Kc6 44. Ke4 g6 45. Nf3 Kd6 46. Nd2 f5+ 47. gxf5 exf5+ 48. Kf3 g5 49. Kg3 h5 50. Nf3 Be3 51. Ne1 Ke5 52. Kf3 Bd2 53. Nd3+ Kf6 54. Nc5 g4+ 55. hxg4 hxg4+ 56. Kg3 Bb4 57. Nd3 Bd6+ 58. Kg2 Kg5 59. Kf2 f4 60. Ne1 Kf5 61. Kg2 Ke4 62. Kf2 f3 63. Kg1 g3 0-1

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.07.22"]
[Round "5"]
[White "Marrero Falcon, Hector Xarach"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2044"]
[BlackElo "1882"]
[PlyCount "187"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 a6 6. Be2 e5 7. d3 Nf6 8. f4 exf4 9. Bxf4 Qb6 10. Nd2 Be7 11. Nb3 0-0 12. Be5 d5 13. Bxd4 Qc7 14. exd5 Nxd5 15. Bf3 Nb4 16. Bc3 Be6 17. Qd2 Nd5 18. Bxd5 Bxd5 19. Qf2 Bd6 20. h3 Bc6 21. Bd4 Bg3 22. Qd2 h6 23. Bf2 Bh2+ 24. Kh1 Be5 25. d4 Bf4 26. Be3 Bg3 27. Bf4 Bxf4 28. Rxf4 Rac8 29. c3 Bd5 30. Nc5 Rfe8 31. Nd3 Re7 32. Rf2 Rce8 33. Nf4 Qd7 34. Nxd5 Qxd5 35. a3 Re3 36. Kg1 Qc4 37. Raf1 Re2 38. Qf4 Rxf2 39. Rxf2 Qe6 40. Qf3 Qe1+ 41. Kh2 Qe7 42. Qg3 Qe6 43. Rd2 Rd8 44. Qf3 Qd6+ 45. Qg3 Qe6 46. Qf4 Qe7 47. Rf2 Qe6 48. Rf3 Qd6 49. Qxd6 Rxd6 50. Kg3 Kf8 51. Kf4 Ke7 52. Re3+ Kd7 53. Kf3 Rf6+ 54. Ke2 Rg6 55. g3 Rf6 56. c4 b6 57. b4 Rc6 58. Kd3 Rf6 59. c5 Kc6 60. a4 Rf1 61. Ke4 bxc5 62. bxc5 Ra1 63. Rb3 Rxa4 64. Rb6+ Kc7 65. Kd5 Ra3 66. Rc6+ Kd7 67. Rd6+ Kc7 68. Rc6+ Kd7 69. Rb6 Kc7 70. g4 Ra4 71. Ke5 Ra5 72. Rd6 Ra3 73. h4 Re3+ 74. Kd5 Ra3 75. Rb6 Ra4 76. g5 hxg5 77. hxg5 Ra1 78. g6 fxg6 79. Rxg6 Rh1 80. Rxg7+ Kc8 81. Ra7 Rh5+ 82. Kc4 Rh6 83. Rg7 Rf6 84. Kd5 Rf5+ 85. Ke6 Rf1 86. c6 Rh1 87. Ra7 Rh6+ 88. Kd5 Rh5+ 89. Kd6 Rh6+ 90. Kc5 Kb8 91. Rxa6 Kc7 92. Ra7+ Kc8 93. d5 Rh5 94. Kb6 1-0

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.07.21"]
[Round "3"]
[White "Castellanos Mendoza, David"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2073"]
[BlackElo "1882"]
[PlyCount "65"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Ng4 7. Bg5 a6 8. f3 Nf6 9. Qd2 e6 10. 0-0-0 Be7 11. g4 Nxd4 12. Qxd4 b5 13. h4 Qa5 14. Bxf6 Bxf6 15. Qxd6 Ra7 16. Kb1 Be7 17. Qd2 b4 18. Ne2 0-0 19. Nc1 e5 20. Bc4 Rc7 21. Bb3 Bc5 22. Nd3 Re8 23. Nxc5 Qxc5 24. g5 a5 25. h5 Kh8 26. g6 f6 27. h6 Qc6 28. hxg7+ Rxg7 29. Rxh7+ Rxh7 30. gxh7 a4 31. Bd5 Qb6 32. Qg2 a3 33. Qg8+ 1-0

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.07.20"]
[Round "1"]
[White "Senlle Caride, Miguel"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2289"]
[BlackElo "1882"]
[PlyCount "129"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 a6 9. f3 0-0 10. g4 e5 11. Nb3 Be6 12. Be3 b5 13. Nd5 Bxd5 14. exd5 Na7 15. h4 Qc7 16. h5 Rfc8 17. Rh2 b4 18. g5 Nd7 19. g6 f5 20. gxh7+ Kh8 21. Bg5 Nf6 22. Bh3 a5 23. Qd3 a4 24. Nd2 Rcb8 25. h6 g6 26. Nc4 Nxh7 27. Bxe7 Qxe7 28. f4 e4 29. Qd4+ Qf6 30. Qxf6+ Nxf6 31. Rg2 Nh5 32. Rxg6 Nxf4 33. Bxf5 Nxg6 34. Bxg6 Nb5 35. Bxe4 Ra7 36. Bd3 Rf8 37. Ne3 Nc7 38. h7 Ne8 39. Ng2 Nf6 40. Nf4 Re8 41. Rg1 Rg7 42. Ng6+ Kxh7 43. Ne7+ Kh8 44. Rh1+ Nh7 45. Nf5 Ra7 46. Nxd6 Rd8 47. Ne4 Kg8 48. d6 Nf8 49. Rg1+ Kh8 50. Nf6 Nd7 51. Nd5 b3 52. Rh1+ Kg8 53. Ne7+ Kf7 54. Nc6 Rda8 55. Nxa7 Rxa7 56. cxb3 axb3 57. Bc4+ Kf6 58. Bxb3 Ke5 59. Rd1 Ra6 60. Rd5+ Ke4 61. Rd2 Ke5 62. Re2+ Kd4 63. Be6 Ra7 64. Bh3 Kd5 65. Re7 1-0

[Event "ESP-chT U16"]
[Site "Aviles"]
[Date "2008.06.28"]
[Round "5.1"]
[White "Diez Viera, Oscar"]
[Black "Perez Cuadrado Robles, Alejandro"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1864"]
[BlackElo "1682"]
[PlyCount "72"]
[EventDate "2008.06.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 d3 5. Bxd3 e6 6. Bf4 Nc6 7. 0-0 Be7 8. e5 dxe5 9. Nxe5 Nxe5 10. Bxe5 Nf6 11. Qc2 Qa5 12. Re1 h6 13. Nd2 0-0 14. Nb3 Qb6 15. Rad1 Ng4 16. Bg3 f5 17. h3 f4 18. Bxf4 Qxf2+ 19. Qxf2 Nxf2 20. Kxf2 Rxf4+ 21. Kg1 b6 22. Be4 Rb8 23. Bf3 Rf6 24. Rd2 Bb7 25. Bg4 Bc8 26. Kh2 e5 27. Bxc8 Rxc8 28. Rd7 Re8 29. Rxa7 Rf2 30. Kg1 Rxb2 31. Nc1 e4 32. Kh1 Bh4 33. Rf1 e3 34. Kh2 e2 35. Nxe2 Rexe2 36. Rg1 Bf2 0-1

[Event "ESP-chT U16"]
[Site "Aviles"]
[Date "2008.06.27"]
[Round "4.1"]
[White "Sanchez Gonzalez, Sergio"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2234"]
[BlackElo "1864"]
[PlyCount "69"]
[EventDate "2008.06.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Qc2 Ndb4 7. Qb1 g6 8. a3 Nd5 9. Nxe5 Nxc3 10. Nxc6 Nxb1 11. Nxd8 Nxd2 12. Nxf7 Nf3+ 13. gxf3 Kxf7 14. Bd2 Bh6 15. 0-0-0 Be6 16. Bc3 Rhd8 17. Bd3 Bg5 18. Be4 c6 19. h4 Be7 20. h5 Rxd1+ 21. Kxd1 Bf5 22. hxg6+ Bxg6 23. Bxg6+ hxg6 24. Rh7+ Ke6 25. Rg7 g5 26. e4 Rf8 27. Ke2 a6 28. Rxe7+ Kxe7 29. Bb4+ Kf7 30. Bxf8 Kxf8 31. f4 gxf4 32. Kf3 Ke7 33. Kxf4 a5 34. Ke5 b5 35. Kd4 1-0

[Event "ESP-chT U16"]
[Site "Aviles"]
[Date "2008.06.26"]
[Round "3.1"]
[White "Herrero Villar, Virginia"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1613"]
[BlackElo "1854"]
[PlyCount "78"]
[EventDate "2008.06.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. d3 d6 6. e4 Ng4 7. Nh3 Be6 8. Nd5 Qd7 9. 0-0 h6 10. a3 Nf6 11. Nxf6+ gxf6 12. Qh5 Ne7 13. Kh1 Ng6 14. f3 0-0-0 15. Ng1 Rdg8 16. Bh3 Ne7 17. Bxe6 fxe6 18. f4 f5 19. Qe2 Nc6 20. b4 Bd4 21. Bb2 exf4 22. Rxf4 Bxb2 23. Qxb2 fxe4 24. Rxe4 e5 25. Nf3 Rf8 26. Qe2 Qf7 27. Kg2 Nd8 28. Rf1 Qd7 29. Qd1 Ne6 30. Qb3 Rhg8 31. Kh1 Ng5 32. Re3 Qc6 33. Qd1 a6 34. h4 Nxf3 35. Rexf3 Rxg3 36. Kh2 Rgxf3 37. Rxf3 Qxf3 38. Qc2 Qe3 39. Qg2 Rf2 0-1

[Event "ESP-chT U16"]
[Site "Aviles"]
[Date "2008.06.25"]
[Round "1.1"]
[White "Diez Viera, Oscar"]
[Black "Vila Gonzalez, Daniel"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1854"]
[BlackElo "2014"]
[PlyCount "172"]
[EventDate "2008.06.25"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[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. Nb1 Bg5 12. a4 bxa4 13. Rxa4 a5 14. Na3 0-0 15. Nb5 Rb8 16. h4 Bh6 17. g4 Bf4 18. Nxf4 exf4 19. b3 Ne5 20. Qxd6 Bxg4 21. Qxd8 Rfxd8 22. f3 Nxf3+ 23. Kf2 Rd2+ 24. Be2 Rxb5 25. Rd1 Rxd1 26. Bxd1 Ne5 27. Bxg4 Nxg4+ 28. Kf3 h5 29. Kxf4 Rc5 30. Ra1 g6 31. c4 Kg7 32. Ra2 f6 33. Kf3 Kf7 34. Ra1 Ke6 35. Ra2 Ke5 36. Rd2 a4 37. bxa4 Rxc4 38. Rd5+ Ke6 39. a5 Ra4 40. Rb5 Ne5+ 41. Kf4 Nc4 42. Rb8 Rxa5 43. Re8+ Kf7 44. Rc8 Ne5 45. Rc7+ Ke6 46. Rb7 Ra3 47. Rb6+ Ke7 48. Re6+ Kd7 49. Rd6+ Kc7 50. Rxf6 Ra5 51. Re6 Nd3+ 52. Ke3 Ne5 53. Kf4 Nd3+ 54. Ke3 Ra3 55. Kd4 Nf4 56. Rf6 Ra4+ 57. Ke5 Nd3+ 58. Kd5 Kd7 59. Rf3 Ra5+ 60. Kd4 Ne5 61. Rb3 Nc6+ 62. Ke3 Ke6 63. Kf4 Rc5 64. Rb1 Rc3 65. Rg1 Ne5 66. Ra1 Rf3+ 67. Kg5 Rg3+ 68. Kf4 Rg4+ 69. Ke3 Rxh4 70. Ra6+ Kf7 71. Kd4 Nf3+ 72. Ke3 Ng5 73. Ra7+ Kf6 74. Ra6+ Kg7 75. Ra5 Rxe4+ 76. Kf2 Rg4 77. Ra1 h4 78. Rh1 h3 79. Kf1 Rg3 80. Kf2 Ne4+ 81. Ke2 g5 82. Ke1 g4 83. Ke2 Kf6 84. Ke1 Ke5 85. Ke2 Rg2+ 86. Kf1 Ng3+ 0-1

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.29"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Sanchez Ruesga, Hector"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1852"]
[BlackElo "1804"]
[PlyCount "145"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 a6 10. h4 Ne5 11. h5 b5 12. hxg6 fxg6 13. 0-0-0 b4 14. Nd5 Nxd5 15. exd5 Nxf3 16. Nxf3 Rxf3 17. Bh6 Qf8 18. Bxg7 Qxg7 19. Qxb4 a5 20. Qe4 Qf6 21. Re1 Ra7 22. Bb5 Qf4+ 23. Qxf4 Rxf4 24. g5 Rf5 25. Rhg1 Rc7 26. Bc6 Bb7 27. Re3 Bxc6 28. dxc6 Rc5 29. Rge1 Kf7 30. Rf3+ Rf5 31. Rh3 Kg8 32. Rhe3 e5 33. Ra3 Rxg5 34. Rxa5 Kf7 35. Ra6 Rg4 36. b3 Ke6 37. a3 Kd5 38. c4+ Kc5 39. Rd1 Rd4 40. Ra5+ Kxc6 41. Rxd4 exd4 42. Rd5 Rg7 43. Rxd4 g5 44. Kd2 Re7 45. b4 h6 46. a4 Re6 47. a5 Re8 48. b5+ Kc7 49. a6 Re7 50. Rd3 Rg7 51. Ke3 h5 52. Kf2 Rf7+ 53. Kg3 Rf4 54. Rc3 Kb6 55. Rc1 Rf7 56. Rd1 Kc5 57. Rd5+ Kxc4 58. Rxg5 Ra7 59. Rxh5 d5 60. Rh7 Ra8 61. Rb7 d4 62. Kf2 d3 63. Ke1 Rh8 64. a7 Rh1+ 65. Kd2 Rh2+ 66. Ke3 Re2+ 67. Kf3 Ra2 68. b6 Ra1 69. Ke3 Re1+ 70. Kd2 Re2+ 71. Kd1 Ra2 72. Rc7+ Kb5 73. b7 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.28"]
[Round "5"]
[White "Etxagibel Larranaga, Asier"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "1868"]
[BlackElo "1852"]
[PlyCount "78"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bd6 9. 0-0 0-0 10. a3 Re8 11. Qc2 Bb7 12. Rd1 Qc7 13. e4 e5 14. h3 exd4 15. Nxd4 Nc5 16. Bg5 Be5 17. Be3 Nxd3 18. Qxd3 Rad8 19. Qc2 a6 20. Nde2 c5 21. Rxd8 Rxd8 22. Rd1 Rxd1+ 23. Nxd1 Nxe4 24. f3 Nd6 25. Qxc5 Qxc5 26. Bxc5 Nc4 27. Nec3 Nxb2 28. Nxb2 Bxc3 29. Nd1 Be5 30. Kf2 f6 31. g3 Kf7 32. f4 Bc7 33. Ke3 Ke6 34. Nc3 Bg2 35. h4 h5 36. Ne2 g6 37. Ba7 Bd6 38. Nd4+ Ke7 39. Nc6+ Bxc6 0-1

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.27"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Orive Miguel, David"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1852"]
[BlackElo "1772"]
[PlyCount "55"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nf6 7. Bxf7+ Kxf7 8. Nxe5+ Ke8 9. Nxg4 Nxe4 10. 0-0 Be7 11. c3 Rf8 12. Re1 Nf6 13. Nxf6+ gxf6 14. Qh5+ Rf7 15. Nd2 Qd5 16. Qe2 Nd7 17. Nb3 Kd8 18. Bf4 Rg7 19. Bh6 Rf7 20. c4 Qf5 21. Rf1 Qg6 22. Bf4 Rg7 23. Na5 Kc8 24. d5 c5 25. Nb3 h5 26. Rad1 h4 27. Rd2 b6 28. Qf3 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.26"]
[Round "2"]
[White "Diez Viera, Oscar"]
[Black "Dosuna Aguilar, Endika"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1852"]
[BlackElo "1691"]
[PlyCount "82"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Bg7 8. h3 Qb6 9. Bb5 Bd7 10. Nf5 Qa5 11. Nxg7+ Kf8 12. Bd3 Kxg7 13. Qd2 h5 14. 0-0-0 a6 15. g4 hxg4 16. hxg4 Nxg4 17. f5 Nxe3 18. Qxe3 Qc5 19. Qxc5 dxc5 20. Bxa6 Rxh1 21. Rxh1 Rxa6 22. fxg6 fxg6 23. a3 Ne5 24. Nd5 e6 25. Nf4 Ra4 26. Re1 b5 27. Re2 g5 28. Nh5+ Kg6 29. Ng3 Bc6 30. Kd2 Rd4+ 31. Ke1 g4 32. c3 Rd3 33. Kf2 Kg5 34. Nf1 Kf4 35. Nd2 c4 36. a4 bxa4 37. Kg2 Rg3+ 38. Kf1 Re3 39. Rf2+ Nf3 40. Nxc4 Re1+ 41. Kg2 Rg1# 0-1

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.26"]
[Round "3"]
[White "Marchena Hurtado, Javier"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1809"]
[BlackElo "1852"]
[PlyCount "122"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 d6 4. g3 g6 5. Bg2 Bg7 6. f4 Rb8 7. Nf3 b5 8. 0-0 e6 9. Be3 b4 10. Ne2 Bxb2 11. Rb1 Bg7 12. d4 cxd4 13. Nexd4 Nge7 14. Qd2 0-0 15. Rfd1 Nxd4 16. Bxd4 Bxd4+ 17. Nxd4 Qb6 18. Kh1 a5 19. a3 Rd8 20. axb4 axb4 21. c3 d5 22. Rxb4 Qc7 23. Rxb8 Qxb8 24. e5 Ba6 25. Bf1 Bxf1 26. Rxf1 Rc8 27. Ra1 Qc7 28. Ra3 Qc4 29. Kg2 Rb8 30. Qc2 Rc8 31. Qd2 Qc5 32. Qb2 Qc4 33. Qd2 Nc6 34. Kf2 Qc5 35. Rb3 Nxd4 36. Qxd4 Qxd4+ 37. cxd4 Rc2+ 38. Kg1 Rd2 39. Rb4 h6 40. h4 Rd3 41. Kf2 Kg7 42. Ra4 g5 43. Kg2 gxh4 44. gxh4 Kg6 45. Kf2 Rh3 46. Ra8 Rxh4 47. Kg3 Rh1 48. Rg8+ Kh7 49. Rf8 Kg7 50. Ra8 Rd1 51. Ra4 Rd3+ 52. Kg4 Kg6 53. Rb4 h5+ 54. Kh4 Rf3 55. Rb8 Rxf4+ 56. Kg3 Rg4+ 57. Kf3 Rxd4 58. Rg8+ Kh7 59. Rg5 Kh6 60. Rg8 Re4 61. Rf8 Kg7 0-1

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2008.03.25"]
[Round "1"]
[White "Martinez Garcia, Ekaitz"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1650"]
[BlackElo "1852"]
[PlyCount "56"]
[EventDate "2008.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. Bc4 Nf6 5. d3 Bg4 6. 0-0 e6 7. Re1 Be7 8. Bf4 Nd4 9. Bb5+ Nd7 10. e5 d5 11. h3 Nxf3+ 12. gxf3 Bxh3 13. Qd2 a6 14. Ba4 b5 15. Bb3 c4 16. dxc4 dxc4 17. Bxc4 bxc4 18. Rad1 Nf8 19. Qe3 Qc8 20. Ne4 Bf5 21. Nd6+ Bxd6 22. exd6 Nd7 23. Qe5 Nxe5 24. Bxe5 0-0 25. d7 Qc6 26. Re2 Qxf3 27. Red2 Bh3 28. Bh2 Qg2# 0-1

[Event "ESP-ch U16"]
[Site "Padron"]
[Date "2008.??.??"]
[Round "7"]
[White "Valina Martinez, Ramiro"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "A50"]
[BlackElo "1882"]
[PlyCount "88"]
[EventDate "2008.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 b6 2. d4 Bb7 3. Nc3 Nf6 4. Bg5 e6 5. e4 Be7 6. e5 Ng8 7. Be3 d6 8. Nf3 dxe5 9. dxe5 Qxd1+ 10. Rxd1 Nd7 11. Be2 0-0-0 12. a3 Bxf3 13. Bxf3 Nxe5 14. Be2 Rxd1+ 15. Nxd1 Nf6 16. h3 Rd8 17. 0-0 Ne4 18. Re1 Nd6 19. b3 Nf5 20. b4 Nd6 21. Nb2 Bf6 22. c5 Nf5 23. Bf4 Ng6 24. Bc1 Nd4 25. Ba6+ Kd7 26. Nd3 Ke7 27. Nf4 bxc5 28. Nxg6+ hxg6 29. bxc5 Rd5 30. a4 Kd7 31. c6+ Kxc6 32. Be3 Kd7 33. Bxd4 Rxd4 34. Rc1 Be5 35. g3 Rd6 36. Bb5+ c6 37. Ba6 Kc7 38. Rb1 Rd7 39. Kf1 Bd4 40. Ke2 Bb6 41. f3 Rd5 42. Rb4 Re5+ 43. Re4 Ra5 44. g4 Rxa6 0-1

[Event "Gipuzkoako-ch U16"]
[Site "Errenteria"]
[Date "2007.12.02"]
[Round "6.2"]
[White "Diez Viera, Oscar"]
[Black "Olabe Odriozola, Eduardo"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1799"]
[BlackElo "1718"]
[PlyCount "39"]
[EventDate "2007.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 b5 7. e5 Ng8 8. Qf3 Qc7 9. Ndxb5 axb5 10. Nxb5 Qxe5+ 11. Be2 Bb4+ 12. c3 Ra5 13. Bf4 Bxc3+ 14. Nxc3 Bb7 15. Bxe5 Bxf3 16. Bxb8 Bc6 17. 0-0 Ne7 18. Bd6 Nf5 19. Bb4 Re5 20. f4 1-0

[Event "Gipuzkoako-ch U16"]
[Site "Errenteria"]
[Date "2007.11.18"]
[Round "5.3"]
[White "Garro Beraza, Julen"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1722"]
[BlackElo "1799"]
[PlyCount "65"]
[EventDate "2007.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Bc5 6. Bc4 Nc6 7. 0-0 Bd7 8. e5 Ng4 9. Qe2 Qe7 10. Nb3 Bb6 11. a4 a6 12. Bf4 h6 13. h3 Nxf2 14. Rxf2 Bxf2+ 15. Qxf2 g5 16. Bg3 h5 17. Nfd4 0-0-0 18. Nxc6 Bxc6 19. Qa7 Kd7 20. Na5 Ke8 21. Nxc6 bxc6 22. Bxa6 h4 23. Bf2 g4 24. Qc5 Qxc5 25. Bxc5 gxh3 26. Bb7 Rd2 27. gxh3 Kd7 28. a5 Rg8+ 29. Kf1 Rh2 30. Ra3 Rh1+ 31. Kf2 Rh2+ 32. Kf1 Rh1+ 33. Kf2 1/2-1/2

[Event "Gipuzkoako-ch U16"]
[Site "Errenteria"]
[Date "2007.11.04"]
[Round "3.4"]
[White "Diez Viera, Oscar"]
[Black "Etxeberria Urteaga, Jon"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1799"]
[BlackElo "1614"]
[PlyCount "83"]
[EventDate "2007.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. dxe5 Nxe4 6. Qe2 d5 7. Bf4 Qe7 8. Nbd2 Nxd2 9. Qxd2 Bg4 10. Qxd5 Rd8 11. Qe4 f6 12. Bb5 Bd7 13. e6 Qxe6 14. Qxe6+ Bxe6 15. Bxc7 Rc8 16. Bf4 Bc5 17. 0-0 0-0 18. Rfe1 Bg4 19. Nd2 Rfd8 20. Nb3 Bd6 21. Be3 a6 22. Bf1 Be6 23. Nd4 Nxd4 24. Bxd4 Re8 25. g3 Bd5 26. Bh3 Rb8 27. b3 Kf7 28. f4 Re7 29. Rxe7+ Kxe7 30. c4 Bc6 31. Bb6 Kf7 32. Rd1 Bb4 33. Kf2 Re8 34. c5 Ba3 35. Bf1 Re7 36. Bc4+ Kg6 37. g4 Rd7 38. Rxd7 Bxd7 39. Kf3 Be8 40. h4 h5 41. Bd3+ Kh6 42. g5+ 1-0

[Event "Gipuzkoako-ch U16"]
[Site "Errenteria"]
[Date "2007.10.28"]
[Round "2.2"]
[White "D'Anna Razzetti, Juan Pablo"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1723"]
[BlackElo "1799"]
[PlyCount "47"]
[EventDate "2007.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. Nc3 c6 5. Bf4 Nf6 6. f3 e6 7. Nge2 Be7 8. Ng3 0-0 9. Be2 Bb7 10. 0-0 Qb6 11. Be3 Rd8 12. Qe1 e5 13. Nf5 Qc7 14. Qg3 Nh5 15. Qg4 g6 16. dxe5 Qxe5 17. f4 Qc7 18. Nh6+ Kg7 19. f5 Nf6 20. Qg5 Nbd7 21. fxg6 hxg6 22. Nf5+ Kf8 23. Qh6+ Ke8 24. Ng7+ 1-0

[Event "San Sebastian op 17th"]
[Site "San Sebastian"]
[Date "2007.09.29"]
[Round "9"]
[White "Garro Beraza, Haritz"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1950"]
[BlackElo "1799"]
[PlyCount "56"]
[EventDate "2007.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 e5 6. Bg2 Be7 7. 0-0 0-0 8. c3 b5 9. a3 Qc7 10. b4 a5 11. bxc5 dxc5 12. Bb2 Bb7 13. d4 exd4 14. cxd4 cxd4 15. Re1 Rfd8 16. Qb3 b4 17. axb4 Bxb4 18. Red1 Qe7 19. e5 Ne8 20. Nc4 d3 21. Rxd3 Rxd3 22. Qxd3 Rd8 23. Qf5 g6 24. Qf4 Ng7 25. Ne3 Ne6 26. Qh6 Qf8 27. Qh4 Qe7 28. Qh6 Qf8 1/2-1/2

[Event "San Sebastian op 17th"]
[Site "San Sebastian"]
[Date "2007.09.28"]
[Round "8"]
[White "Diez Viera, Oscar"]
[Black "Salcedo, Marc"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1799"]
[BlackElo "2008"]
[PlyCount "84"]
[EventDate "2007.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Qxd5 4. Nc3 Qh5 5. Be2 Bg4 6. d3 Nc6 7. Bf4 0-0-0 8. Qd2 e5 9. Bg5 Bb4 10. Bxf6 gxf6 11. Qe3 Nd4 12. 0-0-0 Bxc3 13. bxc3 Nxe2+ 14. Qxe2 Rd6 15. h3 Be6 16. Qe3 Ra6 17. Kd2 Rd8 18. Rb1 Qg6 19. Nh4 Qg5 20. Rb4 Qxe3+ 21. fxe3 Rxa2 22. Rf1 a5 23. Rbb1 Ra4 24. d4 exd4 25. cxd4 c5 26. c3 cxd4 27. exd4 Ra2+ 28. Kd3 a4 29. Rxf6 Bb3 30. Re1 Rb2 31. Ra1 Re8 32. Rh6 b5 33. d5 Bxd5 34. Kd4 Bc4 35. Rxh7 Ree2 36. g4 Ra2 37. Rb1 a3 38. Nf5 Kd7 39. Nh6 Kc6 40. Rd1 Rad2+ 41. Rxd2 Rxd2+ 42. Ke3 Rd3+ 0-1

[Event "San Sebastian op 17th"]
[Site "San Sebastian"]
[Date "2007.09.26"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Salterain Gonzalez, Galder"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1799"]
[BlackElo "1986"]
[PlyCount "112"]
[EventDate "2007.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. Nc3 d6 6. h3 0-0 7. d3 Na5 8. Bb3 Nxb3 9. axb3 Be6 10. d4 exd4 11. Nxd4 Bc8 12. Re1 Re8 13. Bf4 a6 14. Nd5 Nxd5 15. exd5 Bf6 16. Rxe8+ Qxe8 17. Qd2 Bd7 18. Re1 Qf8 19. c3 Re8 20. Nf3 Rxe1+ 21. Qxe1 Qe7 22. Qxe7 Bxe7 23. b4 Bf6 24. Kf1 Bb5+ 25. Ke1 Bc4 26. Nd2 Bxd5 27. f3 Kf8 28. Ke2 Ke7 29. Nf1 Bc4+ 30. Kf2 Bxf1 31. Kxf1 Ke6 32. Ke2 Kf5 33. Bh2 Bg5 34. g4+ Ke6 35. Kd3 Bf6 36. Ke4 c5 37. bxc5 dxc5 38. f4 Kd6 39. Bg1 b5 40. g5 Bd8 41. b4 cxb4 42. cxb4 Kc6 43. Bd4 Be7 44. Bc3 g6 45. h4 Bd6 46. Bd2 Bc7 47. Be1 Kd6 48. Kd4 Bb6+ 49. Ke4 Ke6 50. Bg3 a5 51. bxa5 Bxa5 52. Bf2 b4 53. Bd4 b3 54. h5 Bb4 55. hxg6 hxg6 56. Be5 Ba3 0-1

[Event "San Sebastian op 17th"]
[Site "San Sebastian"]
[Date "2007.09.21"]
[Round "1"]
[White "Mirzoev, Azer"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "2551"]
[BlackElo "1799"]
[PlyCount "67"]
[EventDate "2007.09.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 120 Extra"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.01"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. d3 0-0 6. Nf3 Re8 7. 0-0 d5 8. cxd5 cxd5 9. Bg5 e4 10. dxe4 dxe4 11. Qxd8 Rxd8 12. Nxe4 Be7 13. Nxf6+ gxf6 14. Be3 Nc6 15. Rfd1 Be6 16. Nd4 Nb4 17. Bxb7 Rab8 18. Be4 Na6 19. Nc6 Rxd1+ 20. Rxd1 Rb7 21. Nxe7+ Rxe7 22. Bh6 Re8 23. Bc6 Rb8 24. a3 Nc7 25. f3 Ne8 26. Kf2 Ng7 27. g4 f5 28. Bf4 Rf8 29. g5 Nh5 30. Be5 f6 31. gxf6 Nxf6 32. b4 Kf7 33. b5 Bb3 34. Rd6 1-0

[Event "San Sebastian Udaberriko op"]
[Site "San Sebastian"]
[Date "2007.06.09"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Darrigues, Alain"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1798"]
[BlackElo "1992"]
[PlyCount "52"]
[EventDate "2007.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[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. c4 b4 12. Qa4 Bd7 13. Nxb4 Nd4 14. Qd1 Qa5 15. Qd2 Rb8 16. Nd3 Qa4 17. Be2 0-0 18. Bd1 Qc6 19. Qe3 Bd8 20. 0-0 f5 21. exf5 Bxf5 22. b3 Be4 23. Ne1 Bb6 24. Qd2 Rf6 25. Bc2 Bxg2 26. c5 Bxc5 0-1

[Event "San Sebastian Udaberriko op"]
[Site "San Sebastian"]
[Date "2007.06.02"]
[Round "5"]
[White "Alvarado Fernandez, Mikel"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2000"]
[BlackElo "1798"]
[PlyCount "41"]
[EventDate "2007.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nd7 3. e3 Ngf6 4. c4 e6 5. Nc3 c6 6. Nf3 Bd6 7. c5 Bc7 8. Be2 b6 9. b4 a5 10. a3 Ba6 11. 0-0 Bxe2 12. Qxe2 e5 13. cxb6 Bd6 14. b7 Ra7 15. b5 e4 16. Ne5 Nxe5 17. dxe5 Bxe5 18. bxc6 Bxc3 19. Bf4 Rxb7 20. cxb7 Nd7 21. Rac1 1-0

[Event "San Sebastian Udaberriko op"]
[Site "San Sebastian"]
[Date "2007.05.26"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Garro Beraza, Haritz"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1798"]
[BlackElo "1918"]
[PlyCount "57"]
[EventDate "2007.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 Nc6 9. g4 0-0 10. h4 Nxd4 11. Bxd4 b5 12. h5 b4 13. Ne2 e5 14. Be3 Be6 15. g5 Nd7 16. 0-0-0 a5 17. Bh3 Bxa2 18. g6 Rc8 19. Rdg1 Bb3 20. c3 Rc6 21. Bxd7 Qxd7 22. Kb1 Rc4 23. h6 fxg6 24. Qd5+ Rf7 25. Rxg6 hxg6 26. h7+ Kh8 27. Qxf7 Rxc3 28. Qxg7+ Kxg7 29. h8Q+ 1-0

[Event "San Sebastian Udaberriko op"]
[Site "San Sebastian"]
[Date "2007.05.19"]
[Round "3"]
[White "Galarza Cenzano, Inigo"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "1975"]
[BlackElo "1798"]
[PlyCount "101"]
[EventDate "2007.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. e3 c6 6. Nge2 d6 7. 0-0 Be6 8. d4 exd4 9. exd4 Bb6 10. b3 d5 11. c5 Bc7 12. Bf4 Na6 13. Bxc7 Nxc7 14. Nf4 Bf5 15. f3 Ne6 16. Nxe6 Bxe6 17. Ne2 g5 18. Qd2 Nh5 19. Rae1 f5 20. Nc1 Qf6 21. Re5 f4 22. g4 Ng7 23. Rfe1 Rfe8 24. Bf1 Re7 25. b4 Kf7 26. a4 h5 27. h3 hxg4 28. hxg4 Rh8 29. R1e2 Qh6 30. Rh2 Qxh2+ 31. Qxh2 Rxh2 32. Kxh2 Kf6 33. b5 Bf7 34. Rxe7 Kxe7 35. bxc6 bxc6 36. Bd3 Kf6 37. Kg2 Ne6 38. Nb3 Bg6 39. Bxg6 Kxg6 40. Kf2 Kf6 41. Ke2 Ke7 42. Kd3 Kd7 43. Kc3 Kc7 44. Nc1 Kb7 45. Nd3 Ka6 46. Nb4+ Kb7 47. Nd3 Ka6 48. Ne5 Kb7 49. Kd3 Kc7 50. Kc3 Kb7 51. Nd3 1/2-1/2

[Event "San Sebastian Udaberriko op"]
[Site "San Sebastian"]
[Date "2007.05.12"]
[Round "2"]
[White "Diez Viera, Oscar"]
[Black "Irure Crespo, Egoitz"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "1798"]
[BlackElo "1953"]
[PlyCount "87"]
[EventDate "2007.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. Bd2 0-0 9. Nh4 Bg4 10. Qb3 Bxc3 11. bxc3 Ne4 12. Nf3 Nd7 13. Qxb7 Rb8 14. Qxc6 Bxf3 15. gxf3 Nxd2 16. Kxd2 Ne5 17. Qc5 Nxf3+ 18. Kc2 Qh4 19. Raf1 Rfc8 20. Qxa7 Qe4+ 21. Bd3 Qc6 22. Qa5 Ra8 23. Qb4 Rab8 24. Qa3 Ra8 25. a5 Qc7 26. a6 Ra7 27. h4 Nh2 28. Rfg1 h5 29. Rg5 Ng4 30. Rc5 Qd8 31. Rxc8 Qxc8 32. Qc5 Rc7 33. Qb4 Nxf2 34. Ra1 Ra7 35. Qb6 Qa8 36. c4 Ng4 37. Kd2 Nh2 38. c5 Nf3+ 39. Kc3 Rd7 40. a7 e5 41. Qb8+ Rd8 42. Qxa8 Rxa8 43. Be4 exd4+ 44. exd4 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.14"]
[Round "6"]
[White "Diez Viera, Oscar"]
[Black "Urbieta Aldalur, Bingen"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1798"]
[PlyCount "29"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nd5 9. Bb5+ Kf8 10. Nxd5 Qxd5 11. 0-0 Bxe5 12. Bh6+ Kg8 13. Nf5 Qc5+ 14. Be3 Qc7 15. Nh6+ 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.13"]
[Round "5"]
[White "Garro Beraza, Julen"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B78"]
[BlackElo "1798"]
[PlyCount "37"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Qh2 Rxc3 17. bxc3 Qa5 18. Nb3 Rc8 19. Nxa5 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.12"]
[Round "4"]
[White "Diez Viera, Oscar"]
[Black "Fernandez Martin, Sergio"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1798"]
[PlyCount "79"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[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. c4 0-0 12. Nxf6+ Qxf6 13. cxb5 Nd4 14. bxa6 Bxa6 15. Bxa6 Rxa6 16. 0-0 Rc8 17. Qd3 Rac6 18. Nb5 Nxb5 19. Qxb5 Rc2 20. a4 Qf4 21. Qb7 Qd2 22. a5 R2c7 23. Qb3 h6 24. a6 Qd4 25. Ra4 Qa7 26. h3 Kh7 27. Qe3 Qxe3 28. fxe3 Ra7 29. Rd1 Rc6 30. Rda1 Rb6 31. b4 Kg6 32. Kf2 Kf6 33. Ke2 Ke6 34. Kd3 d5 35. exd5+ Kxd5 36. Ra5+ Ke6 37. Kc4 Rc7+ 38. Kb3 Ra7 39. b5 Kd5 40. Kb4 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.11"]
[Round "3"]
[White "Diez Viera, Oscar"]
[Black "Serrano Alonso, Iraia"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1798"]
[PlyCount "91"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Nxd8 7. Nxe5 Nxe4 8. Bc4 Be6 9. Bb3 Nc5 10. Bc2 Bd6 11. Nf3 Nc6 12. 0-0 0-0-0 13. b4 Nd7 14. a4 a5 15. b5 Ne7 16. Be3 Nd5 17. Bd4 Bc5 18. Bxg7 Rhg8 19. Bh6 Rg4 20. h3 Rgg8 21. Bd2 N7b6 22. Kh1 Bd6 23. Nd4 h5 24. Nxe6 fxe6 25. Re1 Rgf8 26. f3 Rde8 27. Bg6 Re7 28. Bxh5 e5 29. Bg4+ Kb8 30. Bc1 e4 31. fxe4 Rxe4 32. Rd1 Rfe8 33. Bd2 Nf6 34. Bf3 Rh4 35. Bg5 Rh7 36. Bxf6 Rh6 37. Bd4 Rhe6 38. Nd2 Bf4 39. Nb3 Nc4 40. Bd5 Nb2 41. Rf1 Rd6 42. Bf7 Re2 43. Rxf4 b6 44. Bh5 Re7 45. Rf8+ Ka7 46. Bf3 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.11"]
[Round "2"]
[White "Villanueva Arguinberri, Bruno"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1909"]
[BlackElo "1798"]
[PlyCount "125"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. cxd5 exd5 6. Bg5 Bf5 7. e3 Bd6 8. Bd3 Bxd3 9. Qxd3 0-0 10. Rb1 a5 11. 0-0 Nbd7 12. a3 h6 13. Bh4 Qb8 14. Bg3 Nb6 15. Bxd6 Qxd6 16. Ne5 Nfd7 17. f4 Nxe5 18. fxe5 Qe7 19. Rf4 f6 20. exf6 Rxf6 21. Rxf6 Qxf6 22. e4 dxe4 23. Nxe4 Qf7 24. Nd6 Qe7 25. Qb3+ Nd5 26. Qxb7 Qxb7 27. Nxb7 Nf4 28. Re1 a4 29. Nc5 Rd8 30. g3 Nh3+ 31. Kg2 Ng5 32. h4 Nf7 33. Rd1 Nd6 34. Nxa4 Nf5 35. Rd3 Rxd4 36. Rxd4 Nxd4 37. Nb6 Nb3 38. Kf2 Kf7 39. Ke3 Ke6 40. g4 g6 41. Na4 Kd5 42. Nc3+ Ke5 43. a4 Kd6 44. Ne4+ Ke5 45. Nc3 Kd6 46. h5 g5 47. Ne4+ Ke6 48. Ng3 Na5 49. Kd4 Nb3+ 50. Kc3 Nc5 51. a5 Kd7 52. b4 Ne6 53. Nf5 Nf4 54. Nxh6 Nd5+ 55. Kc4 Nf6 56. b5 cxb5+ 57. Kxb5 Kc7 58. Kc5 Nd7+ 59. Kd5 Nb8 60. Nf7 Nc6 61. Nxg5 Nxa5 62. h6 Nc6 63. Ke6 1-0

[Event "Euskadi-ch U16"]
[Site "Eibar"]
[Date "2007.04.10"]
[Round "1"]
[White "Diez Viera, Oscar"]
[Black "Canon Iturrieta, Alberto"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1798"]
[PlyCount "57"]
[EventDate "2007.04.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d5 5. Bb5 a6 6. Bxc6+ bxc6 7. Nxe5 Nxe4 8. Qe2 c5 9. 0-0 Bd6 10. f3 Bxe5 11. fxe4 cxd4 12. exd5 Qe7 13. Re1 Bf6 14. Qxe7+ Bxe7 15. b3 Bb7 16. Ba3 0-0-0 17. Rxe7 Bxd5 18. Re1 d3 19. Nd2 f5 20. c4 Bc6 21. Re7 Rhe8 22. Rae1 Be4 23. Rxg7 Rd7 24. Rxd7 Kxd7 25. Kf2 Re6 26. Nxe4 Rxe4 27. Rxe4 fxe4 28. Ke3 Ke6 29. g4 1-0

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.08"]
[Round "9"]
[White "Alberdi Jarit, Gaizka"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "B72"]
[BlackElo "1798"]
[PlyCount "50"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Be2 Nc6 8. Qd2 Bd7 9. f3 Rc8 10. h4 h5 11. 0-0-0 Ne5 12. Rdg1 Nc4 13. Bxc4 Rxc4 14. Nde2 b5 15. Bxa7 b4 16. Qd3 Rc7 17. Bb6 bxc3 18. Bxc7 cxb2+ 19. Kb1 Qxc7 20. Qb3 0-0 21. Nf4 Ra8 22. Nd5 Nxd5 23. Qxd5 Qa7 24. c4 Qxa2+ 25. Kc2 b1Q# 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.07"]
[Round "8"]
[White "Diez Viera, Oscar"]
[Black "Alvarado Fernandez, Mikel"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1798"]
[BlackElo "2000"]
[PlyCount "120"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 d6 4. f4 Nf6 5. Nd2 Ng4 6. Qf3 Nxe3 7. Qxe3 e5 8. fxe5 dxe5 9. d5 Qe7 10. Ngf3 0-0 11. Bc4 Nd7 12. g4 Qc5 13. Qc3 a5 14. Nb3 Qb4 15. Qxb4 axb4 16. g5 Nb6 17. Bb5 Bg4 18. Nfd2 f5 19. h3 Bh5 20. Nc4 Nxc4 21. Bxc4 b5 22. Bxb5 Bf3 23. Rh2 Bxe4 24. Bc4 Kh8 25. Nc5 Bf3 26. Ne6 Rfc8 27. a4 e4 28. Nxg7 Kxg7 29. Be2 Bxe2 30. Rxe2 Rd8 31. Rd2 Ra5 32. Ke2 h6 33. h4 hxg5 34. hxg5 Rh8 35. Ke3 Kf7 36. b3 Ke7 37. Rf1 Kd6 38. Rfd1 Rh3+ 39. Ke2 f4 40. Rd4 Rh2+ 41. Ke1 Ke5 42. Rxb4 Rh1+ 43. Ke2 f3+ 44. Ke3 Rxd1 45. Rxe4+ Kxd5 46. c4+ Kd6 47. Kxf3 Rd3+ 48. Kg4 Rxb3 49. Rd4+ Ke6 50. Re4+ Re5 51. Rf4 Rc5 52. Re4+ Kd6 53. Rd4+ Kc6 54. Re4 Kd7 55. Rd4+ Ke7 56. Re4+ Kf7 57. Rd4 Re5 58. Rf4+ Ke7 59. Rd4 Rb1 60. Kf4 Rf5+ 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.06"]
[Round "7"]
[White "Diez Viera, Oscar"]
[Black "Galarza Cenzano, Inigo"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1798"]
[BlackElo "1975"]
[PlyCount "74"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb5 dxe4 5. Nxe5 Qd5 6. Bxc6+ bxc6 7. Qa4 Ne7 8. Nc4 Be6 9. Ne3 Qd3 10. Qc2 Bc4 11. Qxd3 Bxd3 12. Na3 Nd5 13. Nac2 a5 14. Nd4 Kd7 15. f3 Nxe3 16. dxe3 c5 17. Ne2 f5 18. Kf2 a4 19. Rd1 Bd6 20. Nf4 c4 21. Nxd3 cxd3 22. Bd2 Rab8 23. Rab1 c5 24. g4 g6 25. gxf5 gxf5 26. Rg1 Rhg8 27. Rxg8 Rxg8 28. Rg1 Rxg1 29. Kxg1 c4 30. fxe4 fxe4 31. a3 Ke6 32. Kg2 Kf5 33. Kh3 Kg5 34. Bc1 h5 35. Bd2 Bxh2 36. Kxh2 Kg4 37. Kg2 h4 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.05"]
[Round "5"]
[White "Diez Viera, Oscar"]
[Black "Cremers, Michael"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1798"]
[BlackElo "2106"]
[PlyCount "72"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. f3 Qc7 7. Qd2 d5 8. Qc3 Qxc3+ 9. Nxc3 e5 10. Nxd5 Nxd5 11. exd5 exd4 12. Bxd4 Bf5 13. Kd2 f6 14. Re1+ Kf7 15. h4 h5 16. Bc4 Bd6 17. Bb3 Nd7 18. c4 Bb4+ 19. Bc3 Bxc3+ 20. Kxc3 Nc5 21. Bc2 Bxc2 22. Kxc2 Rhe8 23. b4 Nd7 24. f4 Rxe1 25. Rxe1 Re8 26. Rxe8 Kxe8 27. Kd3 Nb6 28. Kd4 Kd7 29. c5 Nc8 30. a4 b6 31. g3 bxc5+ 32. bxc5 Ne7 33. Ke4 g6 34. a5 Nf5 35. g4 hxg4 36. h5 Ng3+ 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.05"]
[Round "6"]
[White "Tung, Siu Hung"]
[Black "Diez Viera, Oscar"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1997"]
[BlackElo "1798"]
[PlyCount "72"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Nf3 b6 7. Bg5 Be7 8. Rc1 Bb7 9. Bb5+ Nbd7 10. Qe2 0-0 11. 0-0 a6 12. Bd3 b5 13. a3 Nb6 14. Nd2 h6 15. Be3 Rc8 16. f4 Nc4 17. Nxc4 bxc4 18. Bb1 Qc7 19. e5 Nd5 20. Nxd5 Bxd5 21. Rc3 Qb7 22. Qc2 g6 23. f5 exf5 24. Bxh6 Be4 25. Qd2 Rfd8 26. Bxe4 Qxe4 27. Re3 Qd5 28. exd6 Bxd6 29. Rh3 Bc5 30. Kh1 Qxd4 31. Qc1 Bf8 32. Bg5 Rd5 33. Rh4 Qd3 34. Rh3 Qd4 35. Rh4 Qd3 36. Rh3 Qd4 1/2-1/2

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.04"]
[Round "4"]
[White "Fosser, Gaspar"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2028"]
[BlackElo "1798"]
[PlyCount "54"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. g3 e6 5. Bg2 dxc4 6. Ne5 c5 7. Qa4+ Nbd7 8. 0-0 cxd4 9. Nxc4 Bc5 10. b4 Be7 11. Rd1 Rb8 12. Bf4 b5 13. Qxa7 bxc4 14. Bxb8 Bxb4 15. Qa4 Qa5 16. Qc6 0-0 17. Bc7 Qc5 18. Qxc5 Bxc5 19. Nd2 Ba6 20. Ne4 Nxe4 21. Bxe4 c3 22. Bd3 Bxd3 23. Rxd3 Rc8 24. Ba5 Ne5 25. Rb1 Nxd3 26. Rb5 c2 27. Bd2 Bb4 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.03"]
[Round "3"]
[White "Diez Viera, Oscar"]
[Black "Moreno Vicuna, Eugenio"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1798"]
[PlyCount "47"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf4 Nf6 5. Bd3 Bg4 6. Ne2 Nc6 7. c3 e6 8. Na3 a6 9. Nc2 Bd6 10. Bxd6 Qxd6 11. Ne3 Bh5 12. Qb3 0-0 13. Ng3 Bg6 14. Bxg6 hxg6 15. h4 b5 16. h5 gxh5 17. Nxh5 Nxh5 18. Rxh5 g6 19. Rh3 b4 20. Ke2 Kg7 21. Rah1 Rh8 22. Rxh8 Rxh8 23. Rxh8 Kxh8 24. a3 1/2-1/2

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.02"]
[Round "2"]
[White "Estevez Pegenaute, Eduardo"]
[Black "Diez Viera, Oscar"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1437"]
[BlackElo "1798"]
[PlyCount "128"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 h5 11. Nxc6 bxc6 12. 0-0-0 Qc7 13. Bh6 Rfb8 14. Bxg7 Kxg7 15. Rdg1 Rb4 16. Bb3 Rab8 17. Qf4 c5 18. a3 c4 19. axb4 cxb3 20. Qd2 Rxb4 21. Nd5 Nxd5 22. exd5 Rc4 23. c3 Qa5 24. Kd1 Rc5 25. c4 Qa4 26. Qc3+ Kg8 27. Qe3 Qxc4 28. Ke1 Rxd5 29. Kf2 Qc2+ 30. Kg3 Qxb2 31. Rb1 Qe5+ 32. Qxe5 Rxe5 33. Rxb3 a6 34. Ra1 Bb5 35. Rc3 Kg7 36. Kf4 Rf5+ 37. Ke4 d5+ 38. Kd4 Rf4+ 39. Kxd5 Rxh4 40. Rc7 Kf6 41. Re1 e6+ 42. Kc5 Rc4+ 43. Kb6 Rb4 44. Ka5 Rb2 45. g3 Rg2 46. Re4 g5 47. f4 Rf2 48. fxg5+ Kxg5 49. Rc5+ Rf5 50. Ree5 Rxe5 51. Rxe5+ Kg4 52. Kb4 Kxg3 53. Rxh5 Kg4 54. Rh1 e5 55. Kc3 f5 56. Kd2 f4 57. Ke1 e4 58. Rg1+ Kf5 59. Kf2 e3+ 60. Kf3 Bc6+ 61. Ke2 Ke4 62. Rg6 f3+ 63. Kd1 Ba4+ 64. Kc1 f2 0-1

[Event "San Sebastian op 30th"]
[Site "San Sebastian"]
[Date "2007.04.01"]
[Round "1"]
[White "Diez Viera, Oscar"]
[Black "Hernandez Sanchez, Elvis de la Caridad"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1798"]
[BlackElo "2283"]
[PlyCount "132"]
[EventDate "2007.04.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 117 Extra"]
[Source "ChessBase"]
[SourceDate "2007.05.09"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.09"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Ne2 Bd6 6. 0-0 Nf6 7. Ng3 Nxd4 8. Re1+ Ne6 9. c4 dxc4 10. Bxc4 0-0 11. Be3 Nf4 12. Nc3 Ng4 13. Bxf4 Bxf4 14. Qxd8 Rxd8 15. Re7 Ne5 16. Bb3 Kf8 17. Re1 Kxe7 18. Nh5 Kf8 19. Nxf4 Re8 20. Rd1 Bf5 21. Nfd5 Rac8 22. h3 c6 23. Ne3 Be6 24. Bc2 Rcd8 25. Kf1 Rxd1+ 26. Bxd1 Nc4 27. b3 Nxe3+ 28. fxe3 Rd8 29. Ke2 Bf5 30. e4 Bxe4 31. Nxe4 Re8 32. Kf3 f5 33. Ng3 Re1 34. Be2 g6 35. a4 Ke7 36. Nf1 Rc1 37. Nd2 Rc3+ 38. Kf2 Kf6 39. h4 h6 40. g4 Ke5 41. h5 gxh5 42. Nc4+ Kf6 43. gxf5 Rxb3 44. Bxh5 Rb4 45. Nd6 Ke5 46. Nf7+ Kxf5 47. Bd1 Kf4 48. Nxh6 Rb2+ 49. Kf1 Rh2 50. Nf7 Ke3 51. Bb3 Rf2+ 52. Kg1 Rb2 53. Be6 Kd4 54. Nd8 Kc5 55. Kf1 Rd2 56. Nf7 Rd4 57. a5 Re4 58. Nd8 Kd6 59. Bb3 Rb4 60. Ba2 Ke7 61. Ne6 Rb2 62. Bc4 Rb4 63. Ba2 Rb2 64. Bc4 Rc2 65. Bb3 Rc3 66. Ba2 Rc1+ 0-1

[Event "San Sebastian Primavera op 2nd"]
[Site "San Sebastian"]
[Date "2006.06.10"]
[Round "6.22"]
[White "Diez Viera, Oscar"]
[Black "Rodriguez Cabrera, Francisco Javier"]
[Result "0-1"]
[ECO "D94"]
[BlackElo "1799"]
[PlyCount "96"]
[EventDate "2006.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e3 d5 6. Bd3 c6 7. 0-0 a5 8. Bd2 dxc4 9. Bxc4 b5 10. Bd3 Nbd7 11. Rc1 Nb6 12. Ne4 Bb7 13. Nc5 Qb8 14. Ne5 Rc8 15. Qf3 Nbd5 16. Ncd7 Qa7 17. e4 Nb4 18. Nc5 Rc7 19. Rfd1 Bc8 20. a3 Na6 21. Bf1 Nxc5 22. Rxc5 Be6 23. Be3 Qb7 24. Rdc1 Nd7 25. Nxd7 Rxd7 26. Rxc6 Bc4 27. Bxc4 bxc4 28. R6xc4 Rad8 29. Qg4 h5 30. Qe2 Qxe4 31. Qc2 Qxc2 32. R1xc2 e5 33. Kf1 exd4 34. Bc1 d3 35. Rd2 Bh6 36. Rd1 d2 37. Bxd2 Bxd2 38. Rc2 Kf8 39. Ke2 Re7+ 40. Kf1 Red7 41. Ke2 Bf4 42. Rxd7 Rxd7 43. h3 Rd4 44. f3 a4 45. Ke1 Ke7 46. Kf2 Rd2+ 47. Rxd2 Bxd2 48. Ke2 Bc1 0-1

[Event "San Sebastian Primavera op 2nd"]
[Site "San Sebastian"]
[Date "2006.05.13"]
[Round "2.38"]
[White "Diez Viera, Oscar"]
[Black "O'Reilly, Ander"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "83"]
[EventDate "2006.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 b5 5. cxb5 Ne4 6. bxc6 Nxc3 7. bxc3 Nxc6 8. e3 g6 9. Qa4 Bd7 10. Bb5 Rc8 11. 0-0 Bg7 12. c4 0-0 13. cxd5 Nb8 14. Bxd7 Nxd7 15. Rb1 a5 16. Bd2 e6 17. dxe6 fxe6 18. Rfc1 Rxc1+ 19. Rxc1 g5 20. Qxa5 Qe7 21. Bb4 Qd8 22. Qxd8 Rxd8 23. Nxg5 e5 24. Ne6 Re8 25. Nxg7 Kxg7 26. dxe5 Nxe5 27. Bc3 Kf6 28. f4 Kf5 29. fxe5 Ke4 30. Bd4 Kd3 31. Rc7 Rh8 32. e6 Ke2 33. Bxh8 h5 34. e7 h4 35. e8Q h3 36. Qb5+ Kxe3 37. Rc3+ Kf4 38. Qb4+ Kg5 39. Rc5+ Kg6 40. Qb6+ Kh7 41. Rc7+ Kxh8 42. Qb8# 1-0

[Event "San Sebastian Primavera op 2nd"]
[Site "San Sebastian"]
[Date "2006.05.06"]
[Round "1.16"]
[White "Zulaika Centeno, Ander"]
[Black "Diez Viera, Oscar"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2009"]
[PlyCount "43"]
[EventDate "2006.05.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 Nc6 7. d3 Bg4 8. h3 Bd7 9. Be3 Qc8 10. Kh2 h5 11. Nh4 Nh7 12. f4 Bf6 13. Qd2 Bxh4 14. gxh4 f5 15. Ne2 Nf6 16. Ng3 e5 17. Rae1 exf4 18. Bxf4 Ne5 19. exf5 Kf7 20. Bxe5 dxe5 21. fxg6+ Kg7 22. Qg5 1-0

