[Event "Bizkaiko-ch Primary"]
[Site "Arrigorriagako"]
[Date "2012.??.??"]
[Round "1.14"]
[White "Fernandez Amezaga, Karmelo"]
[Black "Prieto Aragon, Isidoro"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1677"]
[BlackElo "1848"]
[PlyCount "92"]
[EventDate "2012.10.20"]
[EventType "tourn"]
[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. Nf3 Nf6 3. e3 c6 4. Bd3 Bg4 5. Nbd2 e6 6. c3 Nbd7 7. Qc2 Bd6 8. 0-0 0-0 9. Ng5 h6 10. Ngf3 e5 11. e4 Nxe4 12. Nxe5 Nxd2 13. Re1 Nf3+ 14. Nxf3 Bxf3 15. gxf3 Qh4 16. f4 Bxf4 17. Bxf4 Qxf4 18. Re3 Rfe8 19. Rae1 Nf6 20. Qe2 Rxe3 21. Qxe3 Qxe3 22. Rxe3 Re8 23. Rxe8+ Nxe8 24. Kg2 Kf8 25. Kf3 Ke7 26. Kf4 Nd6 27. b3 Ke6 28. h4 g6 29. f3 a6 30. a4 f5 31. Bf1 Kf6 32. c4 g5+ 33. Kg3 a5 34. Bd3 Ne8 35. cxd5 cxd5 36. hxg5+ hxg5 37. f4 g4 38. Kf2 Ng7 39. Bb5 Ke6 40. Bf1 Nh5 41. Ke3 Ng3 42. Bg2 Ne4 43. Kd3 Kf6 44. Ke3 Kg6 45. Kd3 Kh5 46. Bxe4 fxe4+ 0-1

[Event "Bizkaiko-ch Primary"]
[Site "Arrigorriagako"]
[Date "2012.??.??"]
[Round "4.7"]
[White "Prieto Aragon, Isidoro"]
[Black "Barrutia Etxebarria, Xabier"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1848"]
[BlackElo "1776"]
[PlyCount "84"]
[EventDate "2012.10.20"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Nf3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nxd5 10. cxd5 h6 11. Be3 c6 12. Bc4 b5 13. Bb3 Bb7 14. Rd1 a5 15. Bb6 Rd7 16. a4 cxd5 17. exd5 bxa4 18. Bxa4 Rxd5 19. 0-0 e4 20. Rxd5 Bxd5 21. Rd1 Bc6 22. Rd8+ Kh7 23. Ng5+ hxg5 24. Bxc6 Nxc6 25. Rxa8 Bxb2 26. Bxa5 Bd4 27. Bd2 f6 28. Rc8 Ne5 29. Rc7+ Kg8 30. h3 Nd3 31. Be3 Be5 32. Rd7 Bc3 33. Kf1 Ne5 34. Rc7 Bb2 35. Ke2 Nf7 36. Bc1 Bxc1 37. Rxc1 f5 38. Rc6 Kg7 39. Re6 Nd8 40. Re8 Nf7 41. g4 Kf6 42. Rc8 Ne5 1/2-1/2

[Event "Bizkaiko-ch Primary"]
[Site "Arrigorriagako"]
[Date "2012.??.??"]
[Round "2.1"]
[White "Prieto Aragon, Isidoro"]
[Black "Miguelez Garcia, Erlantz"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "1848"]
[BlackElo "2065"]
[PlyCount "50"]
[EventDate "2012.10.20"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. e3 c5 6. Be2 cxd4 7. exd4 Bb4 8. 0-0 0-0 9. Bg5 h6 10. Bh4 Be7 11. Rc1 Nc6 12. Ne5 d5 13. cxd5 Nxe5 14. dxe5 Nxd5 15. Bxe7 Qxe7 16. Nxd5 Bxd5 17. Bf3 Rad8 18. Bxd5 Rxd5 19. Qe2 Qb4 20. Rfd1 Rfd8 21. Rxd5 Rxd5 22. Rc8+ Kh7 23. h3 Qf4 24. Qc2+ g6 25. g3 Qf3 0-1

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.11.25"]
[Round "6"]
[White "Prieto Aragon, Isidoro"]
[Black "Regillaga Otano, Jon"]
[Result "1/2-1/2"]
[ECO "A87"]
[BlackElo "1779"]
[PlyCount "71"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. d4 g6 4. Bg2 Bg7 5. c4 d6 6. Nc3 0-0 7. 0-0 Qe8 8. Bf4 Nh5 9. Be3 Qf7 10. Nd5 Na6 11. Ng5 Qe8 12. Nf4 Nxf4 13. Bxf4 h6 14. Nf3 Kh7 15. d5 Bxb2 16. Rb1 Bg7 17. h4 Nc5 18. Nd4 a6 19. Re1 e5 20. dxe6 Nxe6 21. Nxe6 Qxe6 22. e4 fxe4 23. Bxe4 Qxc4 24. Rc1 Qf7 25. Bd5 Qd7 26. h5 gxh5 27. Qxh5 Qg4 28. Qxg4 Bxg4 29. Rxc7 Rae8 30. Ree7 Rxe7 31. Rxe7 b5 32. Bxd6 Kh8 33. Ra7 Rd8 34. Ra8 Rxa8 35. Bxa8 Bc8 36. Bd5 1/2-1/2

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.11.18"]
[Round "5"]
[White "Arabiotorre Arbulu, Aitor"]
[Black "Prieto Aragon, Isidoro"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1829"]
[PlyCount "116"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 c6 3. f3 Nf6 4. Bg5 h6 5. Bxf6 exf6 6. e4 dxe4 7. fxe4 f5 8. Nf3 fxe4 9. Nxe4 Be7 10. Qd2 Nd7 11. 0-0-0 0-0 12. Kb1 Nf6 13. Nxf6+ Bxf6 14. h3 Be6 15. Bd3 Re8 16. Rhf1 Rc8 17. g4 c5 18. Bb5 c4 19. c3 Bd7 20. Bxd7 Qxd7 21. Rde1 Qd5 22. Rxe8+ Rxe8 23. Qf4 Re2 24. Qb8+ Kh7 25. Qxa7 Qe4+ 26. Ka1 Qxf3 27. Rb1 Qe4 28. a4 Qc6 29. Qa5 b6 30. Qa6 Re8 31. b3 Ra8 32. Qxc4 Qxc4 33. bxc4 Rxa4+ 34. Kb2 Rxc4 35. Kb3 Rc6 36. Re1 Kg6 37. Re3 Kg5 38. d5 Rd6 39. c4 Bd4 40. Re4 Bc5 41. Re5+ Kh4 42. Rh5+ Kg3 43. g5 Kf4 44. Rh4+ Kxg5 45. Rg4+ Kf6 46. Rf4+ Ke7 47. Kc3 g5 48. Re4+ Kf6 49. Kd3 h5 50. Re2 g4 51. Ke4 Kg5 52. Rb2 f5+ 53. Ke5 Rd8 54. Ke6 Rd6+ 55. Ke5 Rd7 56. d6 Rxd6 57. Rb1 f4 58. Ke4 Re6+ 0-1

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.11.11"]
[Round "4"]
[White "Prieto Aragon, Isidoro"]
[Black "Iza Gallastegui, Asier"]
[Result "1/2-1/2"]
[ECO "D03"]
[BlackElo "1740"]
[PlyCount "106"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c3 e6 4. Bg5 Be7 5. Nbd2 0-0 6. e3 c5 7. Bd3 Nc6 8. dxc5 Bxc5 9. Nd4 e5 10. Nxc6 bxc6 11. 0-0 h6 12. Bh4 Rb8 13. b4 Bb6 14. Nb3 Qd6 15. a3 Bg4 16. Be2 Bxe2 17. Qxe2 Rfe8 18. c4 Qe6 19. Bxf6 Qxf6 20. cxd5 cxd5 21. Rfc1 Rbd8 22. a4 a5 23. b5 Re6 24. Nc5 Re7 25. Nd3 Re6 26. Rc2 d4 27. e4 Qg6 28. Rac1 f5 29. f3 Rdd6 30. Rc8+ Kh7 31. exf5 Qxf5 32. Qe4 Kg6 33. R8c6 Qxe4 34. fxe4 Kf6 35. Rxd6 Rxd6 36. Kf2 Ke6 37. Ke2 Ba7 38. Rc7 Rd7 39. Rxd7 Kxd7 40. Kd2 Kd6 41. Kc2 Bb6 42. Kb3 Ba7 43. Kc4 Bb6 44. g3 Ke6 45. h3 Kd6 46. Ne1 Ke6 47. Nf3 Kd6 48. Nh4 Ke6 49. Nf5 Kf6 50. Nd6 Ke6 51. Nc8 Bc7 52. Na7 Bb6 53. Nc6 Kd6 1/2-1/2

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.11.04"]
[Round "3"]
[White "Serrano Martinez, Antonio"]
[Black "Prieto Aragon, Isidoro"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1864"]
[PlyCount "65"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 a6 6. Be2 Bg4 7. c3 Nf6 8. Ne5 Bxe2 9. Qxe2 e6 10. 0-0 Be7 11. Bg5 Ne4 12. Bxe7 Qxe7 13. Nd2 Nxd2 14. Qxd2 0-0 15. f4 Nxe5 16. fxe5 b5 17. Rf3 Rab8 18. b4 f5 19. exf6 Rxf6 20. Rxf6 gxf6 21. Qe3 Re8 22. Re1 e5 23. Qg3+ Qg7 24. Qf3 Rd8 25. Qf5 e4 26. Re3 Kh8 27. Rh3 Qe7 28. Rxh7+ Qxh7 29. Qxf6+ Qg7 30. Qxd8+ Kh7 31. Qxd5 Qg4 32. Qf7+ Kh8 33. Kf2 1-0

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.10.28"]
[Round "2"]
[White "Prieto Aragon, Isidoro"]
[Black "Sanchez Dolado, Jorge"]
[Result "0-1"]
[ECO "A15"]
[BlackElo "1966"]
[PlyCount "74"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 d6 5. e3 e5 6. d3 0-0 7. Be2 Ne8 8. Nbd2 f5 9. e4 c5 10. Nb1 Nf6 11. Nc3 Nc6 12. 0-0 f4 13. Ne1 Nd4 14. Nd5 Nxd5 15. exd5 f3 16. Nxf3 Nxe2+ 17. Qxe2 Bg4 18. h3 Bxf3 19. gxf3 Qh4 20. f4 Rxf4 21. Bc1 Rf5 22. Qg4 Qxg4+ 23. hxg4 Rf3 24. Be3 Raf8 25. Rad1 h5 26. gxh5 gxh5 27. Kg2 R3f5 28. Rh1 Kh7 29. Rdf1 Bh6 30. Bxh6 Rg8+ 31. Kh2 Kxh6 32. Rhg1 Rxg1 33. Kxg1 Rf3 34. Rd1 Kg5 35. Kg2 Kg4 36. Rd2 h4 37. Kh2 Rf4 0-1

[Event "Bizkaia-chB"]
[Site "Zornotza"]
[Date "2006.10.21"]
[Round "1"]
[White "Gallastegui Zorrozua, Karmelo"]
[Black "Prieto Aragon, Isidoro"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1915"]
[PlyCount "80"]
[EventDate "2006.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. e3 e6 7. Ne5 Nd7 8. g4 Bg6 9. Nxg6 hxg6 10. Bg2 Bd6 11. h3 Qb6 12. 0-0 Qd8 13. Nxd5 exd5 14. Qd3 Qe7 15. Rb1 Nf6 16. Re1 0-0-0 17. Bd2 Ne4 18. Bxe4 dxe4 19. Qf1 Qh4 20. d5 Qxh3 21. Qxh3 Rxh3 22. dxc6 bxc6 23. Rbc1 Rdh8 24. Kf1 Rh1+ 25. Ke2 Rxe1+ 26. Bxe1 Kb7 27. Rc4 f5 28. Bc3 Rh2 29. Kf1 Rh1+ 30. Ke2 c5 31. Bxg7 Rh7 32. Bc3 Kb6 33. gxf5 gxf5 34. Be1 Be5 35. b4 Rc7 36. bxc5+ Rxc5 37. Rxc5 Kxc5 38. f3 Kc4 39. fxe4 fxe4 40. Kd1 Kd3 0-1

