[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.24"]
[Round "9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Karamsetty, Jeevan"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1937"]
[BlackElo "2188"]
[PlyCount "130"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Nc3 Bg7 5. h3 0-0 6. Be3 a6 7. a4 b6 8. e5 Nfd7 9. e6 fxe6 10. Bc4 Nf6 11. d5 c6 12. Ng5 h6 13. Nxe6 Bxe6 14. dxe6 d5 15. Be2 Qd6 16. Qd3 Kh7 17. h4 Qxe6 18. h5 Qf5 19. hxg6+ Qxg6 20. Qd2 e5 21. 0-0-0 b5 22. f3 b4 23. Bd3 e4 24. Nxe4 dxe4 25. fxe4 Rd8 26. e5 Rxd3 27. cxd3 Ng4 28. Rhe1 Nxe5 29. d4 Ng4 30. Qxb4 Nd7 31. Qb7 Re8 32. Bf4 Rxe1 33. Rxe1 Nf2 34. Qxd7 Nd3+ 35. Kd2 Nxf4 36. Qe8 Qxg2+ 37. Kc3 Qf3+ 38. Kc2 Qf2+ 39. Kb1 Ng6 40. Qe4 Bxd4 41. Re2 Qf1+ 42. Ka2 Be5 43. Rc2 h5 44. Rxc6 Qf7+ 45. Kb1 h4 46. Ka1 h3 47. Rxg6 Bxb2+ 48. Kxb2 Qxg6 49. Qh4+ Qh6 50. Qe4+ Kh8 51. Qe8+ Kh7 52. Qe4+ Kg7 53. Qe7+ Kg6 54. Qe6+ Kh7 55. Qe4+ Kg7 56. Qe7+ Kg6 57. Qe6+ Kg5 58. Qe3+ Kg6 59. Qe6+ Kh7 60. Qe4+ Kg8 61. Qe8+ Kh7 62. Qe4+ Qg6 63. Qh4+ Qh6 64. Qe4+ Qg6 65. Qh4+ Qh6 1/2-1/2

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.23"]
[Round "8"]
[White "Borsos, Bogdan"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2094"]
[BlackElo "1937"]
[PlyCount "87"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. e3 Bg7 4. d4 cxd4 5. exd4 d5 6. cxd5 Nf6 7. Bb5+ Nbd7 8. d6 exd6 9. Qe2+ Qe7 10. Qxe7+ Kxe7 11. Nc3 h6 12. 0-0 Nb6 13. Re1+ Be6 14. h3 a6 15. Bd3 Nbd5 16. Bd2 Rac8 17. Nxd5+ Nxd5 18. Rac1 Kd7 19. b3 Rxc1 20. Rxc1 Rc8 21. Rxc8 Kxc8 22. Kf1 Kd7 23. Ke2 Nc7 24. Be4 Bd5 25. Bxd5 Nxd5 26. Kd3 Ke6 27. Ng1 b5 28. Ne2 f5 29. Nf4+ Nxf4+ 30. Bxf4 Kd5 31. f3 h5 32. Be3 Bf6 33. g4 fxg4 34. fxg4 hxg4 35. hxg4 Bh4 36. Bg1 Bg5 37. Bh2 Bf6 38. Bg3 Bxd4 39. Bxd6 Be5 40. Be7 Bg7 41. Bd8 Ke5 42. Bc7+ Kd5 43. Bd8 Bf8 44. Bc7 1/2-1/2

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.23"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Roberson, Peter T"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1937"]
[BlackElo "2426"]
[PlyCount "116"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 a6 7. Bc4 b5 8. Bd5 Rb8 9. d3 e6 10. Bb3 Ne7 11. Nxd4 cxd4 12. Ne2 0-0 13. Qe1 d5 14. e5 Nc6 15. Qf2 Qb6 16. Bd2 Bd7 17. Kh1 f6 18. exf6 Bxf6 19. Ng1 a5 20. a4 bxa4 21. Rxa4 Ra8 22. Rfa1 Rfc8 23. f5 gxf5 24. Qg3+ Kh8 25. Qd6 Qc7 26. Qxc7 Rxc7 27. Bxa5 Rb7 28. Bd2 Rxa4 29. Rxa4 Ne5 30. Ra6 Nxd3 31. Ne2 Nc5 32. Bxd5 exd5 33. Rxf6 Ne4 34. Rf7 Nxd2 35. b3 Kg8 36. Re7 d3 37. cxd3 Nxb3 38. Nf4 Nd4 39. Kg1 Bc6 40. Re5 Kf8 41. Kf2 Re7 42. Re3 Rxe3 43. Kxe3 Nb5 44. Nh5 Kf7 45. Kf4 Kg6 46. Ng3 Nd6 47. Ke5 Nf7+ 48. Ke6 Nh6 49. Ne2 Kg5 50. Kd6 Bb5 51. Nc1 Ng4 52. Kxd5 Nxh2 53. Kd4 Ng4 54. Ne2 f4 55. Ng1 Bc6 56. Nf3+ Bxf3 57. gxf3 Nf6 58. Ke5 h5 0-1

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.22"]
[Round "6"]
[White "Tiviakov, Sergei"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2534"]
[BlackElo "1937"]
[PlyCount "101"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Bb5+ Nd7 8. Nbd2 Bxf3 9. Qxf3 a6 10. Bd3 e6 11. Qe2 Ne7 12. Nf3 Nc6 13. 0-0 Qb6 14. Be3 0-0 15. h4 f6 16. exf6 Nxf6 17. Rad1 Rae8 18. Ne5 Qc7 19. f4 Nh5 20. Rf3 Ne7 21. Rc1 Qd8 22. g4 Nf6 23. Rh3 Ne4 24. Qg2 Bxe5 25. fxe5 Rf7 26. Bxe4 dxe4 27. Qxe4 Qd5 28. Qxd5 Nxd5 29. Bh6 Rc7 30. Rf1 Rf7 31. Rxf7 Kxf7 32. Rf3+ Kg8 33. Kf2 Rc8 34. Kg3 Re8 35. Kh3 Rc8 36. h5 gxh5 37. gxh5 Re8 38. Rg3+ Kh8 39. Bg7+ Kg8 40. Bf6+ Kf8 41. Rg7 Rc8 42. Rxh7 Rc7 43. Rxc7 Nxc7 44. Kg4 Kg8 45. Kg5 Kh7 46. Bd8 Nd5 47. h6 b6 48. a3 b5 49. Ba5 Ne7 50. Kf6 Nc6 51. Bb6 1-0

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.21"]
[Round "5"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Saine, Zachary"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1937"]
[BlackElo "2005"]
[PlyCount "73"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Qxb4 Rf8 12. Nc3 Nxc3 13. Qxc3 Kg8 14. Rc1 Bf5 15. 0-0 c6 16. Rfe1 Qf6 17. Ne5 h5 18. Qb4 Rab8 19. Rc3 Be4 20. f3 Bf5 21. Rce3 h4 22. Qd2 b6 23. g4 hxg3 24. hxg3 Rbd8 25. g4 Bh7 26. Rc3 c5 27. g5 Qf5 28. Nc6 Qh3 29. Nxd8 Qg3+ 30. Kf1 Rxd8 31. Qg2 Qh4 32. g6 Bxg6 33. Qxg6 Qxd4 34. Rce3 Rf8 35. Re8 Qc4+ 36. Kg2 Qc2+ 37. Qxc2 1-0

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.21"]
[Round "4"]
[White "Orton, Stephen LA"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "2154"]
[BlackElo "1937"]
[PlyCount "94"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Rd1 Nxb3 12. cxb3 d6 13. Qh4 Be6 14. Bh6 Bxb3 15. Rd3 e5 16. Bg5 f6 17. Bc1 f5 18. Bg5 Bf6 19. Rh3 Rf7 20. Bxf6 Qxf6 21. 0-0 Qxh4 22. Rxh4 Rd8 23. Re1 Be6 24. f4 fxe4 25. Nxe4 Bd5 26. fxe5 dxe5 27. Rd1 Rdf8 28. g3 Bc6 29. Re1 h5 30. b3 Rf3 31. Nc5 Rf2 32. Ne4 Rb2 33. Re3 Kg7 34. Re1 Rf3 35. Nc5 Rf5 36. Ne4 Rxb3 37. g4 hxg4 38. Rxg4 Rf4 39. Rxf4 exf4 40. Nc5 Rb4 41. Rf1 g5 42. h4 Kf6 43. h5 f3 44. Rd1 Rh4 45. h6 Ke5 46. Nd7+ Kf4 47. Rd4+ Kg3 0-1

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.20"]
[Round "3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Blauhut, Anna"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1937"]
[BlackElo "1532"]
[PlyCount "57"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. cxd4 Bb4+ 7. Bd2 d5 8. exd5 Bxd2+ 9. Nbxd2 Nxd5 10. 0-0 0-0 11. Rc1 Nf6 12. Nb3 Bg4 13. h3 Bh5 14. Re1 Qd6 15. g4 Bg6 16. Ne5 Nb4 17. a3 Nbd5 18. Qf3 c6 19. Nc5 Nb6 20. Nxb7 Qxd4 21. Nxc6 Qxb2 22. Nd6 Nxc4 23. Nxc4 Qb5 24. Re5 Qa6 25. h4 Rfe8 26. Nd6 Rf8 27. h5 Bd3 28. g5 Nxh5 29. Ne7+ 1-0

[Event "Cambridge op 2nd"]
[Site "Cambridge"]
[Date "2024.02.19"]
[Round "2"]
[White "Lim, Mark"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1776"]
[BlackElo "1937"]
[PlyCount "71"]
[EventDate "2024.02.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 g6 3. c4 Nc6 4. Bg2 Bg7 5. Nc3 e5 6. 0-0 Nge7 7. a3 d6 8. Rb1 a5 9. Ne1 Be6 10. d3 0-0 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nc7 14. Nc4 Qe7 15. Be3 h6 16. Qc1 Kh7 17. Bxc6 bxc6 18. Ne4 Rfd8 19. Bxc5 Qe8 20. Ncd6 Qd7 21. Nc4 Nd5 22. Bb6 Bh3 23. Re1 Rf8 24. Bxa5 f5 25. Nc3 f4 26. Ne4 Qf5 27. Bb4 Nf6 28. Bxf8 Rxf8 29. Ncd6 Qh5 30. Nxf6+ Bxf6 31. Qxc6 Bd8 32. Rbc1 Bg4 33. Qb7+ Kg8 34. Qd5+ Kh7 35. Rc2 f3 36. Qb7+ 1/2-1/2

[Event "GRB-ch Universities"]
[Site "Birmingham"]
[Date "2017.02.26"]
[Round "4.3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Monev, Aleksandar"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1937"]
[BlackElo "2224"]
[PlyCount "86"]
[EventDate "2017.02.25"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Imperial"]
[BlackTeam "Oxford"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nf6 8. Nxf6+ Qxf6 9. Nf3 0-0 10. Bd3 Nd7 11. 0-0 b6 12. Rfe1 Bb7 13. Rad1 Rfd8 14. Ng5 g6 15. Qe3 c5 16. Be4 cxd4 17. Rxd4 Nc5 18. Bxb7 Nxb7 19. Red1 Rxd4 20. Rxd4 Rd8 21. Rxd8+ Nxd8 22. Qd2 Nc6 23. Nf3 Qf5 24. Qd1 Qe4 25. b3 Nb4 26. a3 Nd3 27. g3 Nc5 28. Qd8+ Kg7 29. Qd4+ Qxd4 30. Nxd4 e5 31. Nc6 Nxb3 32. Nxa7 Na5 33. Nb5 Nxc4 34. Kf1 Kf6 35. Ke2 e4 36. f3 Ke5 37. f4+ Kd5 38. Nc3+ Kd4 39. Nb5+ Kc5 40. Nc3 f5 41. Nb1 Kd4 42. h3 h5 43. Kf2 Kd3 0-1

[Event "GRB-ch Universities"]
[Site "Birmingham"]
[Date "2017.02.26"]
[Round "5.3"]
[White "Nagy Miticzky, Mark"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "E81"]
[BlackElo "1937"]
[PlyCount "86"]
[EventDate "2017.02.25"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Kent"]
[BlackTeam "Imperial"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 Qa5 8. Qd2 a6 9. Bd3 Nbd7 10. Nge2 Ne5 11. 0-0 Nfd7 12. Rac1 Nxd3 13. Qxd3 Ne5 14. Qc2 Nxc4 15. Bf2 b5 16. b3 Ne5 17. h3 b4 18. Nb1 Bb7 19. Bh4 Rfe8 20. f4 Nd7 21. f5 Bf6 22. Bxf6 Nxf6 23. g4 g5 24. Qd2 Nxe4 25. Qd3 Nf6 26. h4 h6 27. Rf2 Kg7 28. Ng3 Rg8 29. hxg5 hxg5 30. Ne4 Qc7 31. Nxg5 Kf8 32. Qe3 Nxg4 33. Nh7+ Ke8 34. Qg3 Kd7 35. Rg2 Bxd5 36. Rcc2 Bxg2 37. Rxg2 c4 38. f6 Qc5+ 39. Kh1 Nf2+ 40. Qxf2 Qxf2 41. Rxf2 Rh8 42. Rh2 c3 43. fxe7 Rxh7 0-1

[Event "GRB-ch Universities"]
[Site "Birmingham"]
[Date "2017.02.25"]
[Round "2.3"]
[White "Davies, Ben"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1937"]
[PlyCount "76"]
[EventDate "2017.02.25"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Loughborough"]
[BlackTeam "Imperial"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. Nbd2 c5 6. c3 Qb6 7. Qb3 d5 8. Be2 c4 9. Qxb6 axb6 10. 0-0 Nc6 11. Ne5 h6 12. e4 b5 13. exd5 Nxd5 14. Nxc6 bxc6 15. Bg3 Be6 16. a3 Nb6 17. Bf3 Bd5 18. Rfe1 Ra7 19. Re2 Na4 20. Rb1 Rd8 21. Ne4 g5 22. h4 f5 23. Nd2 g4 24. Bxd5+ cxd5 25. Be5 Kf7 26. g3 Bf6 27. Nf1 Ra6 28. Bf4 Bg7 29. Be5 Re6 30. Rbe1 Bxe5 31. Rxe5 Rxe5 32. Rxe5 e6 33. Re2 Rd6 34. Ne3 Kf6 35. Ng2 Nb6 36. Kf1 Nd7 37. Nf4 Nb6 38. Ke1 Nd7 1/2-1/2

[Event "GRB-ch Universities"]
[Site "Birmingham"]
[Date "2017.02.25"]
[Round "1.3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Deaconu, Mihai Ionut"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1937"]
[BlackElo "1913"]
[PlyCount "40"]
[EventDate "2017.02.25"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Imperial"]
[BlackTeam "UCL"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 c6 7. Be2 a6 8. Nf3 b6 9. 0-0 Qc7 10. Rc1 Bb7 11. Qc2 Nbd7 12. Rfd1 Rfd8 13. b4 c5 14. Nd5 Bxd5 15. cxd5 c4 16. Bxc4 Qb7 17. Qd3 b5 18. Bb3 Rdc8 19. Rxc8+ Rxc8 20. Rc1 Nb6 0-1

[Event "GRB-ch Universities"]
[Site "Birmingham"]
[Date "2017.02.25"]
[Round "3.3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Sabin, Frank"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1937"]
[PlyCount "58"]
[EventDate "2017.02.25"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Imperial"]
[BlackTeam "Sussex"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 d6 5. e4 bxc4 6. Bxc4 Nbd7 7. Nf3 g6 8. 0-0 Bg7 9. Nc3 0-0 10. h3 Qb6 11. Bf4 Ba6 12. Bxa6 Qxa6 13. Rad1 Rab8 14. Rfe1 Qc4 15. Bh2 Rb7 16. e5 dxe5 17. Nxe5 Nxe5 18. Bxe5 Rd8 19. b3 Qa6 20. Ne4 Nxe4 21. Bxg7 Nxf2 22. Qxf2 Kxg7 23. Qxc5 Qxa2 24. Rxe7 Rxe7 25. Qxe7 Qxb3 26. Qxd8 Qxd1+ 27. Kh2 Qd4 28. d6 Qf6 29. Qe7 a5 1/2-1/2

[Event "Madrid-ch final"]
[Site "Madrid"]
[Date "2014.05.27"]
[Round "1"]
[White "Almagro Llamas, Pablo"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2500"]
[BlackElo "2031"]
[PlyCount "103"]
[EventDate "2014.05.26"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 b6 8. c4 Bb7 9. Nc3 Ne4 10. Nxe4 Bxe4 11. Bh2 e5 12. Rc1 Qe7 13. Qd2 Rad8 14. Rfd1 Kh8 15. b4 f5 16. d5 g5 17. Ne1 f4 18. f3 Bg6 19. e4 h5 20. Nd3 g4 21. fxg4 Bxe4 22. Nf2 Bh7 23. Bd3 hxg4 24. hxg4 Qh4 25. Bxh7 Qxh7 26. Rc3 Qg6 27. Rh3+ Kg8 28. Qe2 Rde8 29. Qe4 Qxe4 30. Nxe4 Nf6 31. Nf2 Nh7 32. Ra3 e4 33. Nh3 e3 34. Bxf4 e2 35. Re1 Bd4+ 36. Kh2 Nf6 37. g3 Nxg4+ 38. Kg2 Re7 39. Rd3 Bg7 40. Ng5 Rfe8 41. Ne6 Be5 42. Rxe2 Bxf4 43. gxf4 Kf7 44. Rg3 Nh6 45. Kf3 Kf6 46. Reg2 Nf5 47. Rg6+ Kf7 48. Ke4 Nh4 49. Rg7+ Kf6 50. Rxe7 Rxe7 51. Rg8 Nf5 52. Rf8+ 1-0

[Event "Madrid-ch final"]
[Site "Madrid"]
[Date "2014.05.26"]
[Round "1"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Almagro Llamas, Pablo"]
[Result "1/2-1/2"]
[ECO "E27"]
[WhiteElo "2031"]
[BlackElo "2500"]
[PlyCount "60"]
[EventDate "2014.05.26"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 Ne8 7. e4 b6 8. Bd3 Ba6 9. a4 Nc6 10. Ba3 d6 11. f4 Na5 12. Qe2 c5 13. Nf3 Qd7 14. 0-0 f5 15. dxc5 dxc5 16. Ne5 Qc7 17. g4 Nd6 18. gxf5 exf5 19. exf5 Rae8 20. Rad1 Bxc4 21. Bxc4+ Ndxc4 22. Qa2 Rxe5 23. fxe5 Qxe5 24. Bc1 Rxf5 25. Qg2 Rxf1+ 26. Rxf1 h5 27. Qg6 Nb3 28. Qf7+ Kh7 29. Bf4 Qxc3 30. Qxh5+ Kg8 1/2-1/2

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.29"]
[Round "9"]
[White "Vukotic Jovsic, Dragan"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2003"]
[BlackElo "2001"]
[PlyCount "76"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. Be2 d6 6. 0-0 Nbd7 7. h3 b6 8. Nbd2 Bb7 9. c3 Qe8 10. a4 e5 11. Bh2 a5 12. Bb5 Qe7 13. b4 e4 14. Ne1 Nd5 15. Qb3 f5 16. Nc2 Kh8 17. bxa5 Rxa5 18. Nb4 N7f6 19. Nc6 Bxc6 20. Bxc6 Qf7 21. Nc4 Ra7 22. a5 Ne7 23. axb6 Rxa1 24. Rxa1 Nxc6 25. Qb5 Qd5 26. Qxd5 Nxd5 27. bxc7 Nxc7 28. Bxd6 Ra8 29. Rb1 Nd5 30. Rb7 Nxc3 31. Rc7 Ne2+ 32. Kf1 Nexd4 33. exd4 Nxd4 34. g4 Nf3 35. Kg2 Bd4 36. Bc5 Bxc5 37. Rxc5 Ra1 38. Kg3 g5 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.28"]
[Round "8"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Unciti Juan, Javier"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2001"]
[BlackElo "2136"]
[PlyCount "46"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nc6 8. Bg5 Nf6 9. Bxf6 Qxf6 10. Rd1 0-0-0 11. Qf3 Qg6 12. Qg3 Qc2 13. a3 Qxb2 14. Nd5 Qe5 15. f4 Qb2 16. Nf3 Be6 17. e4 Bxa3 18. Be2 Bxd5 19. exd5 Bb4+ 20. Kf1 Rhe8 21. Ng1 Ne7 22. Bf3 Kb8 23. Ne2 Nf5 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.22"]
[Round "7"]
[White "Fernandez Rodriguez, Fernando Javier"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1782"]
[BlackElo "2001"]
[PlyCount "74"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Na6 7. Nf3 Qe8 8. Be2 e5 9. d5 Nc5 10. Qc2 Nh5 11. g3 f5 12. Bxc5 dxc5 13. Nd2 Nf6 14. 0-0-0 a6 15. Bd3 Rb8 16. Rde1 b5 17. b3 Bd7 18. f4 b4 19. Nd1 Nh5 20. Rhg1 fxe4 21. Nxe4 Qc8 22. fxe5 Bxe5 23. Nxc5 Bd4 24. Nxd7 Qxd7 25. Rg2 Bg7 26. Nf2 Bh6+ 27. Kd1 Rf3 28. Ng4 Bg7 29. Re6 Rd8 30. Ke2 Rxg3 31. Rxg3 Nxg3+ 32. Kf2 Nh5 33. Bxg6 hxg6 34. Rxg6 Rf8+ 35. Kg1 Kh8 36. Qe4 Qf7 37. Ne3 Qf2+ 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.21"]
[Round "6"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Ocana Lameiro, Oliver"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2001"]
[BlackElo "2046"]
[PlyCount "36"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 c6 8. Qc2 g6 9. Nge2 Ng4 10. Bf4 Bd6 11. h4 Qf6 12. g3 h5 13. Ng1 Bxf4 14. gxf4 Re8 15. Nf3 Qxf4 16. Ng5 f5 17. Rd1 Rxe3+ 18. fxe3 Qg3+ 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.15"]
[Round "5"]
[White "Sotoca Aguado, Jose"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1964"]
[BlackElo "2001"]
[PlyCount "124"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Bd3 c5 6. c3 Qb6 7. Qb3 Nc6 8. 0-0 d5 9. Qxb6 axb6 10. Nbd2 c4 11. Bc2 b5 12. a3 Bf5 13. Bxf5 gxf5 14. Nh4 e6 15. f3 Nh5 16. Bd6 Rfd8 17. Bg3 Nxg3 18. hxg3 Bh6 19. Rae1 b4 20. Nb1 bxa3 21. Nxa3 Bf8 22. Ra1 Na5 23. e4 Nb3 24. Rae1 Bxa3 25. bxa3 dxe4 26. fxe4 Nd2 27. Rf4 Nxe4 28. g4 Nxc3 29. gxf5 exf5 30. Nxf5 Re8 31. Rg4+ Kf8 32. Rf1 Ra6 33. Rh4 Rg6 34. Rxh7 Ne2+ 35. Kh2 Ree6 36. d5 Re8 37. Nh6 Re7 38. Nxf7 Kg8 39. d6 Rxd6 40. Rh8+ Kg7 41. Nxd6 Kxh8 42. Rf8+ Kg7 43. Rc8 Re6 44. Rc7+ Kf8 45. Nf5 c3 46. g4 Rc6 47. Rxc6 bxc6 48. Ne3 Nd4 49. Kg2 c2 50. Nxc2 Nxc2 51. a4 Ke7 52. Kf3 Nd4+ 53. Ke4 Ne6 54. a5 Kd6 55. Kf5 c5 56. a6 c4 57. Ke4 Kc6 58. a7 Kb7 59. a8Q+ Kxa8 60. g5 Kb7 61. g6 Kc6 62. Kf5 Kd5 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.14"]
[Round "4"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Plazuelo Pascual, Juan"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "2001"]
[BlackElo "2057"]
[PlyCount "50"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 Nc6 7. e4 Nh5 8. Nh3 d6 9. f4 Nf6 10. e5 Ne4 11. Qf3 f5 12. Nf2 dxe5 13. fxe5 Nxd4 14. cxd4 Qxd4 15. Rb1 Nxf2 16. Qxf2 Qe4+ 17. Be2 Qxb1 18. 0-0 Qe4 19. Bf3 Qxc4 20. Qg3 f4 21. Qg5 Bd7 22. Rd1 Ba4 23. Re1 Rad8 24. Qh4 Bc6 25. Bg4 f3 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.08"]
[Round "3"]
[White "Fraga Castro, Jose Carlos"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2171"]
[BlackElo "2001"]
[PlyCount "43"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. Nf3 c6 4. g3 Bg4 5. Bg2 Nbd7 6. 0-0 Qc7 7. c4 e6 8. d4 Bd6 9. Nc3 0-0 10. c5 Be7 11. Qd2 Bxf3 12. Bxf3 e5 13. e3 Rfe8 14. b4 e4 15. Bg2 h5 16. b5 h4 17. bxc6 bxc6 18. Na4 hxg3 19. hxg3 Ng4 20. Bc3 Bg5 21. Qe2 Ndf6 22. Bh3 0-1

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.07"]
[Round "2"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Lianes Garcia, Marcos"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2001"]
[BlackElo "1837"]
[PlyCount "69"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Be7 5. Qc2 0-0 6. e3 d6 7. Nf3 h6 8. h3 b6 9. Be2 Bb7 10. 0-0-0 Nbd7 11. Rhg1 g5 12. Bh2 Ne4 13. Nd2 Ndf6 14. f3 Nxc3 15. Qxc3 a5 16. g4 fxg4 17. hxg4 Qe8 18. Bd3 Kg7 19. e4 Nd7 20. Bc2 Qf7 21. Rdf1 Kg8 22. f4 Qg7 23. Qd3 Rad8 24. Kb1 e5 25. fxg5 Bxg5 26. Nf3 exd4 27. Nxd4 Nc5 28. Qd1 Bc8 29. Nf5 Qg6 30. Bf4 Be6 31. Bxg5 Qxg5 32. Rh1 Bxc4 33. Rh5 Qf6 34. Rxh6 Qg5 35. Rfh1 1-0

[Event "Madrid-ch Previa-B"]
[Site "Madrid"]
[Date "2014.03.06"]
[Round "1"]
[White "Martinez Rubio, Felipe"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1805"]
[BlackElo "2001"]
[PlyCount "82"]
[EventDate "2014.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 4. e3 b6 5. Nbd2 Bb7 6. Bd3 Be7 7. Qe2 d6 8. c3 0-0 9. h3 Nbd7 10. 0-0 Re8 11. Nc4 Qc7 12. Rad1 Bf8 13. Bg3 Bc6 14. Ncd2 Rad8 15. Rfe1 Qc8 16. e4 e5 17. d5 Bb7 18. Bb5 a6 19. Bd3 b5 20. c4 b4 21. Bc2 Nb6 22. b3 h6 23. Nh2 g6 24. f4 Nh5 25. Qf3 Nxg3 26. Qxg3 exf4 27. Qxf4 Nd7 28. Ng4 h5 29. Nh6+ Bxh6 30. Qxh6 Ne5 31. Rf1 Qc7 32. Rf6 Qe7 33. Rdf1 Qf8 34. Qg5 Qg7 35. Qf4 Bc8 36. Nf3 Rd7 37. Nxe5 Rxe5 38. Qg3 a5 39. Qf3 Qh7 40. Qg3 Qg7 41. Qf4 Ba6 1/2-1/2

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.08"]
[Round "9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Hernandez Ramos, David"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1974"]
[BlackElo "1753"]
[PlyCount "57"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. h3 Nbd7 6. Be3 e5 7. d5 0-0 8. Nf3 a5 9. Be2 b6 10. Qc2 Ba6 11. a3 Ra7 12. b4 axb4 13. axb4 Qa8 14. 0-0 Rb8 15. Ra2 Bc8 16. Rxa7 Qxa7 17. Nb5 Qb7 18. Ra1 Ra8 19. Rxa8 Qxa8 20. Nxc7 Qa3 21. Bd2 Ba6 22. Bc1 Qa1 23. Nxa6 Qxa6 24. c5 Qc8 25. c6 Qc7 26. cxd7 Qxc2 27. d8Q+ Bf8 28. Bh6 Nd7 29. Bb5 1-0

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.07"]
[Round "8"]
[White "Castejon Caballero, Natalia"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2011"]
[BlackElo "1974"]
[PlyCount "75"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Bg7 6. Nc3 Nc6 7. h3 f6 8. f4 Nh6 9. Bb5 0-0 10. Nge2 fxe5 11. fxe5 e6 12. Be3 Qb6 13. Qd2 Nf5 14. Bxc6 Nxe3 15. Qxe3 bxc6 16. Na4 Qb4+ 17. Nec3 c5 18. Nxc5 Bh6 19. Qxh6 Qxb2 20. Qxf8+ Kxf8 21. 0-0+ Ke7 22. Rac1 Qd2 23. Rfd1 Qe3+ 24. Kh1 Bd7 25. Nxd7 Kxd7 26. Nb5 Rc8 27. Rxc8 Kxc8 28. Nxa7+ Kd7 29. a4 Qb3 30. Rf1 Qxa4 31. Rf7+ Ke8 32. Rxh7 Qxd4 33. Nc6 Qc4 34. Re7+ Kf8 35. Rxe6 d4 36. Nxd4 Qxd4 37. Rxg6 Qxe5 38. Rg4 1/2-1/2

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.06"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Minguela Munoz, Bienvenido"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1974"]
[BlackElo "1817"]
[PlyCount "87"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d3 6. Bxd3 e6 7. 0-0 d6 8. Re1 dxe5 9. Nxe5 Nc6 10. Bb5 Bd7 11. Qxd5 exd5 12. Nxc6+ Be7 13. Nxd8 Bxb5 14. Nxb7 Kd7 15. Be3 Rac8 16. b4 Bf6 17. Nc5+ Kc6 18. Bd4 Bg5 19. a4 Bc4 20. Na3 Rcd8 21. Nxc4 dxc4 22. Re2 h5 23. Rae1 Rhg8 24. g3 h4 25. b5+ Kc7 26. f4 Bf6 27. Bxf6 gxf6 28. Kg2 hxg3 29. hxg3 Kb6 30. Ne4 Rd3 31. Rd2 Rgd8 32. Red1 f5 33. Rxd3 cxd3 34. Nf2 d2 35. Kf3 Rc8 36. Rxd2 Rxc3+ 37. Rd3 Rc4 38. Rd6+ Kb7 39. a5 Rc5 40. Rd7+ Kb8 41. b6 axb6 42. axb6 Rb5 43. Rxf7 Rxb6 44. Rxf5 1-0

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.03"]
[Round "4"]
[White "Cabanas Bravo, Juan Andres"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2089"]
[BlackElo "1974"]
[PlyCount "111"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. c3 0-0 9. Bd3 Be7 10. Qc2 b6 11. h4 Bb7 12. Neg5 g6 13. Bxg6 fxg6 14. Nxe6 Qe8 15. Nxf8 Bxf8+ 16. Qe2 Qxe2+ 17. Kxe2 Re8+ 18. Kd3 Be4+ 19. Ke2 Bd5+ 20. Kd1 c5 21. h5 cxd4 22. hxg6 hxg6 23. Nxd4 Bxg2 24. Rg1 Be4 25. f3 Bd5 26. Rxg6+ Kf7 27. Rg5 Nf6 28. Kc2 Bh6 29. Rf5 Rg8 30. Re1 Rg2+ 31. Re2 Rg1 32. b3 a5 33. c4 Rc1+ 34. Kb2 Rd1 35. Kc3 Bb7 36. Re6 Bg7 37. Rxb6 Bc8 38. Rf4 Kg6 39. Kc2 Rh1 40. Re4 Rh2+ 41. Re2 Bf5+ 42. Kd1 Rh1+ 43. Re1 Rh2 44. Nxf5 Kxf5 45. Re7 Bh6 46. Rb5+ Kf4 47. Rf7 Bg5 48. Rxa5 Rg2 49. Ra6 Ke3 50. Rfxf6 Kd3 51. Rad6+ Kc3 52. Rfe6 Rxa2 53. Re4 Bd2 54. c5 Ra1+ 55. Ke2 Ra2 56. Rd3+ 1-0

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.02"]
[Round "3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Valles Moreno, Ivan"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "1974"]
[BlackElo "2373"]
[PlyCount "110"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 h5 7. h4 Na6 8. Nh3 Nc7 9. Ng5 g6 10. a3 0-0 11. Bd2 Nce8 12. Bh3 Ng7 13. 0-0 Nfe8 14. Bxc8 Qxc8 15. Kg2 f6 16. Nh3 f5 17. f4 Bf6 18. Qe2 a6 19. fxe5 dxe5 20. Be3 Nd6 21. Ng5 b5 22. cxb5 axb5 23. Rad1 b4 24. Nb5 Qa6 25. a4 Bxg5 26. Bxg5 Nxe4 27. Be7 Rfe8 28. d6 Qc6 29. Qc4+ Kh7 30. Kh2 Qd7 31. b3 Rxe7 32. dxe7 Qxe7 33. Qd5 Rf8 34. Qd7 Qf6 35. Nc7 Rf7 36. Qc8 f4 37. gxf4 Nf5 38. Qd8 Re7 39. Rd3 Qxh4+ 40. Rh3 Qg4 41. Qd3 exf4 42. Nd5 Re5 43. Rxf4 Rxd5 44. Rxg4 Rxd3 45. Rxe4 Rd2+ 46. Kg1 Nd4 47. Re5 c4 48. bxc4 b3 49. Re7+ Kh6 50. Rb7 b2 51. a5 Rd1+ 52. Kf2 b1Q 53. Rxb1 Rxb1 54. Ra3 Nc6 55. a6 Rb4 0-1

[Event "San Sebastian de los Reyes op 15th"]
[Site "San Sebastian"]
[Date "2013.12.01"]
[Round "2"]
[White "Sebastian Enesco, Alex"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1775"]
[BlackElo "1974"]
[PlyCount "80"]
[EventDate "2013.11.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Be3 Nc6 7. Nf3 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. Bxc5 Nxc5 11. b4 Nd7 12. Qd4 a5 13. b5 c5 14. Qf2 a4 15. f5 Qc7 16. fxe6 Qxe5+ 17. Kd2 Qg5+ 18. Qe3 Qxe3+ 19. Kxe3 fxe6 20. Kd2 Bb7 21. Re1 e5 22. Be2 e4 23. Bg4 Nf6 24. Be2 Kd7 25. g4 d4 26. Rhf1 dxc3+ 27. Kxc3 Rhf8 28. Kb2 Nd5 29. Rg1 Rf2 30. Rgf1 Raf8 31. Ka3 Kc7 32. g5 R8f4 33. h4 e3 34. h5 Rxe2 35. g6 hxg6 36. hxg6 Rxe1 37. Rxe1 Nb6 38. c4 Rf3 39. Re2 Be4 40. Rh2 e2+ 0-1

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.26"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Monge Gilgado, Eva Maria"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1974"]
[BlackElo "1856"]
[PlyCount "47"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 Bb4 5. e5 dxc4 6. Bxc4 Ne7 7. a3 Bxc3+ 8. bxc3 Qc7 9. Ne2 0-0 10. 0-0 Rd8 11. a4 Ng6 12. Qb3 c5 13. Ba3 b6 14. Rfd1 Bb7 15. Bd3 cxd4 16. cxd4 Bd5 17. Qb2 Qb7 18. f3 Nd7 19. Nc3 Bc6 20. Be4 f6 21. Qb3 Ngf8 22. d5 exd5 23. Nxd5 Kh8 24. Ne7 1-0

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.25"]
[Round "6"]
[White "Perez Perez, Elena"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1722"]
[BlackElo "1974"]
[PlyCount "90"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. Bd3 Nc6 6. Ne2 cxd4 7. cxd4 Nb4 8. Bb1 dxe4 9. Nxe4 Bd7 10. a3 Nd5 11. 0-0 Bc6 12. N2c3 Ngf6 13. Re1 Qd7 14. Bc2 Rd8 15. Qd3 b6 16. Qg3 Kf8 17. Bg5 Qb7 18. Ba4 Nxe4 19. Bxe7+ Nxe7 20. Bxc6 Nxg3 21. Bxb7 Ngf5 22. Rad1 Rd7 23. Be4 Nd6 24. Bf3 Ng6 25. Bc6 Rd8 26. g3 Ke7 27. Nd5+ Kf8 28. Nc3 Rc8 29. d5 Ke7 30. Ba4 e5 31. Bc2 f5 32. g4 Kf6 33. gxf5 Nh4 34. Re3 Nhxf5 35. Rf3 g6 36. Ne4+ Nxe4 37. Bxe4 Rhd8 38. d6 Ke6 39. Bd5+ Kxd6 40. Bb7+ Kc7 41. Rxd8 Rxd8 42. Be4 Rd1+ 43. Kg2 Nh4+ 44. Kg3 Nxf3 45. Bxf3 Rd4 0-1

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.19"]
[Round "5"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Zhynguel Ramirez de Verger, Aleksei"]
[Result "1/2-1/2"]
[ECO "E25"]
[WhiteElo "1974"]
[BlackElo "1880"]
[PlyCount "52"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 Qa5 9. e4 Ne7 10. Be3 0-0 11. Qb3 Qc7 12. Bb5 Nec6 13. Ne2 Na5 14. Qc2 b6 15. cxb6 axb6 16. 0-0 Ba6 17. a4 Bxb5 18. axb5 Nd7 19. Bf2 Nc4 20. Rxa8 Rxa8 21. Rd1 h6 22. Kh1 Ra5 23. h3 Rxb5 24. Qa4 Nb2 25. Qxb5 Nxd1 26. Bg3 e5 1/2-1/2

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.18"]
[Round "4"]
[White "Hernandez Ramos, David"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1753"]
[BlackElo "1974"]
[PlyCount "70"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. Nc3 Nc6 7. 0-0 a6 8. Re1 Rb8 9. e4 Bg4 10. h3 Bxf3 11. Bxf3 e5 12. d5 Nd4 13. Bg2 c5 14. Kh2 Nd7 15. Ne2 f5 16. exf5 gxf5 17. Rb1 b5 18. cxb5 axb5 19. b3 Ra8 20. a3 Qb6 21. Bb2 Rf7 22. Rc1 Nxe2 23. Qxe2 e4 24. Bxg7 Rxg7 25. f3 exf3 26. Qxf3 Rf8 27. Re6 Ne5 28. Qe3 Qd8 29. Bf1 Kh8 30. Bxb5 Rfg8 31. Rg1 f4 32. Qxf4 Rf7 33. Qe3 Nf3+ 34. Kg2 Nxg1 35. Kxg1 Rxg3+ 0-1

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.11"]
[Round "3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Martin Duque, Jesus"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "1974"]
[BlackElo "2233"]
[PlyCount "94"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. cxd5 exd5 7. a3 Bd6 8. Nf4 c6 9. Bd3 Re8 10. 0-0 a5 11. f3 Bf8 12. Qc2 Na6 13. Nfe2 c5 14. Bd2 g6 15. Qc1 Nc7 16. dxc5 Bxc5 17. Nb5 Bb6 18. Nxc7 Bxc7 19. Bc3 Bd6 20. Bb5 Re6 21. Nd4 Re5 22. f4 Re4 23. Bd3 Re8 24. Qd2 Bd7 25. h3 Qe7 26. Rae1 b6 27. Nb5 Bb8 28. a4 Ne4 29. Bxe4 Qxe4 30. Qd4 Qxd4 31. Bxd4 Bxb5 32. axb5 Bd6 33. Rc1 Rab8 34. Kf2 Re6 35. Rc2 Bf8 36. Rfc1 Bg7 37. Rc8+ Re8 38. Rxb8 Rxb8 39. Bxg7 Kxg7 40. Rc6 Kf8 41. Ke2 Re8 42. Kd3 Re4 43. Rxb6 Rb4 44. Kc3 Ke7 45. Rb7+ Ke6 46. b6 Rc4+ 47. Kd3 Rb4 1/2-1/2

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.05"]
[Round "2"]
[White "Alfaya Marcelo, Roberto"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "E33"]
[WhiteElo "1893"]
[BlackElo "1974"]
[PlyCount "68"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bg5 h6 7. Bd2 0-0 8. e4 e5 9. d5 Nb8 10. a3 Bxc3 11. Bxc3 Nh5 12. 0-0-0 c6 13. dxc6 Nxc6 14. c5 Bg4 15. Rxd6 Qe7 16. Nd2 Nf4 17. f3 Bh5 18. Nc4 Ne6 19. Rd5 f6 20. Nd6 Kh8 21. Nf5 Qc7 22. Qd2 Rad8 23. Kb1 Bg6 24. Ne3 Nxc5 25. Rxd8 Rxd8 26. Nd5 Qd7 27. Bc4 Nxe4 28. fxe4 Bxe4+ 29. Ka1 Bxd5 30. Bb5 Nd4 31. Bxd7 Nb3+ 32. Kb1 Nxd2+ 33. Bxd2 Bxg2 34. Rg1 Be4+ 0-1

[Event "Madrid-ch U18 1314"]
[Site "Madrid"]
[Date "2013.10.04"]
[Round "1"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Vela Martinez, Jose"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1974"]
[BlackElo "1584"]
[PlyCount "83"]
[EventDate "2013.10.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bd3 Nc6 8. 0-0 Be7 9. h3 0-0 10. Bf4 Be6 11. Re1 Qd7 12. Nb5 Rac8 13. Ne5 Nxe5 14. dxe5 Ne4 15. Nxa7 Ra8 16. Nb5 Bc5 17. Be3 Be7 18. Nd4 Ng5 19. Bxg5 Bxg5 20. Qh5 h6 21. Rf1 c5 22. f4 Be7 23. Nxe6 Qxe6 24. b3 Qb6 25. c4 dxc4 26. Bxc4 Qc6 27. a4 Rad8 28. Rad1 Rxd1 29. Rxd1 Qe4 30. e6 fxe6 31. f5 Kh8 32. Bxe6 Qe3+ 33. Kh1 Qf4 34. Qg4 Qxg4 35. hxg4 Bg5 36. Rd7 Rb8 37. Kg1 b5 38. a5 Ra8 39. Rb7 Rxa5 40. Rb8+ Kh7 41. Bg8+ Kh8 42. Bf7+ 1-0

[Event "Azuqueca de Henares op 1st"]
[Site "Azuqueca de Henares"]
[Date "2013.09.15"]
[Round "1"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Bruzon Batista, Lazaro"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1921"]
[BlackElo "2699"]
[PlyCount "72"]
[EventDate "2013.09.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Na6 7. Bd3 Qe8 8. a3 e5 9. d5 Nh5 10. g3 f5 11. Be2 f4 12. Bxh5 fxe3 13. Bf3 Bh6 14. Qe2 exf2+ 15. Kxf2 Nc5 16. Qc2 a5 17. Kg2 a4 18. Nge2 Nb3 19. Rad1 Bd7 20. Nb5 Bxb5 21. cxb5 Qxb5 22. Bg4 Qc5 23. Nc3 Nd4 24. Qd3 Qb6 25. Qb1 Qb3 26. Rdf1 Nc2 27. Be6+ Kh8 28. Rxf8+ Rxf8 29. h4 b5 30. Bd7 Bd2 31. Kh3 Nxa3 32. Qd3 Qc2 33. Qxc2 Nxc2 34. Nxb5 Rf3 35. Kg4 Rb3 36. Rf1 Ne3+ 0-1

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.31"]
[Round "9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Cao Armillas, Jesus"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1921"]
[BlackElo "2186"]
[PlyCount "63"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. exd6 e6 7. cxd4 Bxd6 8. Bd3 Nc6 9. 0-0 0-0 10. Nc3 Ncb4 11. Bb1 Nxc3 12. bxc3 Nd5 13. Qd3 g6 14. Bh6 Re8 15. c4 Bf4 16. Bxf4 Nxf4 17. Qe3 Qf6 18. Re1 Bd7 19. Ne5 Bc6 20. Nxc6 bxc6 21. g3 Nh5 22. Be4 Rac8 23. Bg2 Ng7 24. Rad1 Nf5 25. Qf3 Qg7 26. d5 cxd5 27. cxd5 exd5 28. Qxd5 Qc3 29. Re4 Ng7 30. Qd7 Ne6 31. Qxa7 Ra8 32. Qe3 1/2-1/2

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.30"]
[Round "8"]
[White "Esquivias Gomez, Francisco Javier"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1975"]
[BlackElo "1921"]
[PlyCount "70"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 g6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. Bb5 Qb6 6. Bxc6+ bxc6 7. 0-0 h5 8. d4 Nh6 9. a4 a5 10. dxc5 Qxc5+ 11. Qd4 e6 12. Be3 Qe7 13. Qb6 Qd7 14. Na3 Ra6 15. Qb3 Ng4 16. h3 Nxe3 17. Qxe3 Qb7 18. Nd2 Qb4 19. Nb3 Bd7 20. Qd4 Be7 21. Qd3 Ra8 22. Qd4 Bd8 23. Kh2 Bb6 24. Qxb4 axb4 25. Nb1 c5 26. a5 Ba7 27. c3 bxc3 28. Nxc3 Rb8 29. Nd2 Ke7 30. b3 Bc6 31. g3 Rb7 32. Rfb1 Rd8 33. h4 Rdb8 34. Na2 c4 35. bxc4 Rb2 0-1

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.29"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Baeza Escudero, Javier"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1921"]
[BlackElo "2003"]
[PlyCount "79"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. 0-0 Nxb5 7. Nxb5 a6 8. Nc3 e6 9. d3 Ne7 10. Be3 d6 11. Qe1 Nc6 12. e5 b6 13. Ne4 dxe5 14. fxe5 Nxe5 15. Nxe5 Bxe5 16. Bg5 Qd4+ 17. Kh1 f5 18. c3 Qa4 19. Nxc5 bxc5 20. Qxe5 0-0 21. Be7 Rf7 22. Bxc5 h5 23. Bd4 Rh7 24. Rf3 Qe8 25. Rg3 h4 26. Rg5 Qf7 27. h3 Bb7 28. Re1 Re8 29. Kh2 Bc8 30. Re3 Rh6 31. g3 hxg3+ 32. Rexg3 Kh7 33. Kg1 Bb7 34. h4 Rg8 35. Rh3 Ba8 36. Kf2 Qb7 37. h5 Qxb2+ 38. Kg3 Qg2+ 39. Kh4 Qf1 40. Qc7+ 1-0

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.28"]
[Round "6"]
[White "Gonzalez Mateos, Rafael"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2006"]
[BlackElo "1921"]
[PlyCount "47"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 e6 3. Bg5 c5 4. e3 h6 5. Bh4 cxd4 6. exd4 Be7 7. Nf3 b6 8. Nbd2 Bb7 9. Bd3 0-0 10. Qe2 Nc6 11. 0-0 Nd5 12. Bxe7 Qxe7 13. g3 f5 14. Ne5 Nxe5 15. dxe5 Qg5 16. f4 Qe7 17. Nc4 Qc5+ 18. Qf2 Qc6 19. Qf3 g5 20. Nd6 g4 21. Qe2 h5 22. Nxb7 Qxb7 23. h4 a6 24. Bc4 1/2-1/2

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.27"]
[Round "5"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Labrador Cabello, Emmanuel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1921"]
[BlackElo "1880"]
[PlyCount "63"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 0-0 6. Bg2 c5 7. 0-0 Nc6 8. e5 Nd7 9. Re1 Qc7 10. Qe2 Nd4 11. Nxd4 cxd4 12. Nb3 Qb6 13. Qg4 f6 14. exf6 Bxf6 15. Qxe6+ Qxe6 16. Rxe6 Nb6 17. Re2 Bd7 18. Bf4 Bc6 19. Nc5 Rfe8 20. Rae1 Kf7 21. Bh3 Be7 22. Ne6 Bd7 23. Kg2 Bxe6 24. Bxe6+ Kf8 25. Bf5 g6 26. Bh6+ Kf7 27. Be6+ Kf6 28. Bg4 Kf7 29. Be6+ Kf6 30. g4 g5 31. h4 gxh4 32. f4 1-0

[Event "Collado Villalba op 30th"]
[Site "Collado Villalba"]
[Date "2013.08.26"]
[Round "4"]
[White "Garcia Sanchez Navarro, Mariano"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1498"]
[BlackElo "1921"]
[PlyCount "102"]
[EventDate "2013.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. d3 g6 5. Nge2 Bg7 6. g3 0-0 7. Bg2 Ne8 8. 0-0 Nc7 9. Rb1 Ne6 10. Be3 d6 11. f4 Ned4 12. Nb5 Bg4 13. Nbxd4 Nxd4 14. Bxd4 Bxd4+ 15. Kh1 Qd7 16. Qd2 Bxe2 17. Qxe2 h5 18. f5 Kg7 19. g4 hxg4 20. Qxg4 Rh8 21. Bh3 Qa4 22. fxg6 fxg6 23. Qe6 Bf6 24. Rxf6 exf6 25. Qe7+ Kh6 26. Qxf6 Raf8 27. Qh4+ Kg7 28. Qe7+ Rf7 29. Qe6 Qe8 30. Qg4 Qe5 31. Rg1 Qh5 32. Qg3 Rf3 33. Qxd6 Rxh3 34. Qc7+ Kh6 35. Qf4+ g5 36. Qf6+ Kh7 37. Qf5+ Kh6 38. Qf6+ Kh7 39. Qf5+ Kh6 40. Qf6+ Kh7 41. Qe7+ Kg6 42. Qe6+ Kg7 43. Qd7+ Kg6 44. Qe6+ Kg7 45. Qe5+ Kf7 46. Qf5+ Ke7 47. Qe5+ Kd7 48. Qd5+ Kc7 49. Qe5+ Kc8 50. Qxc5+ Kb8 51. Qe5+ Ka8 0-1

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.04.03"]
[Round "9"]
[White "Alvarez Abejon, Amilcar"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "2095"]
[BlackElo "1887"]
[PlyCount "77"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bg5 h6 7. Bd2 Qe7 8. a3 Bxc3 9. Bxc3 e5 10. d5 Nb8 11. e4 a5 12. b4 0-0 13. g3 Na6 14. Rb1 c6 15. dxc6 bxc6 16. Bg2 Bb7 17. Nh4 g6 18. 0-0 axb4 19. axb4 c5 20. b5 Nc7 21. f4 Nd7 22. f5 Kh7 23. Rbd1 Nf6 24. Bf3 g5 25. Ng2 g4 26. Be2 h5 27. Bd3 Ng8 28. f6 Nxf6 29. Qf2 Nfe8 30. Qf5+ Kg8 31. Qxh5 Bc8 32. Bd2 Ng7 33. Qh6 Nce6 34. Nh4 Ra2 35. Nf5 Nxf5 36. exf5 Rxd2 37. f6 Rg2+ 38. Kh1 Rxh2+ 39. Kxh2 1-0

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.04.02"]
[Round "8"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Lorenzo Bailador, Alfredo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1887"]
[BlackElo "2016"]
[PlyCount "59"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. g4 Bg6 8. h4 h6 9. Nf3 Nd7 10. Bd3 Bxd3 11. Qxd3 Ngf6 12. Rg1 Qa5 13. Nd2 Qb4 14. f3 a5 15. Qc2 a4 16. a3 Qa5 17. Nf1 Nb6 18. Ng3 Nc4 19. g5 hxg5 20. hxg5 Ng8 21. g6 f6 22. Nf5 Bf8 23. Kf2 Qb6 24. Rab1 Qb3 25. Qe2 Ne7 26. e4 Nxf5 27. exf5+ Kd8 28. Rge1 Bxa3 29. bxa3 Qxc3 30. Qe7+ 1-0

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.20"]
[Round "7"]
[White "Gomez Ferrer, Jesus"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2001"]
[BlackElo "1887"]
[PlyCount "73"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Bg2 0-0 7. 0-0 Bxd2 8. Nbxd2 d6 9. a3 a5 10. e4 e5 11. d5 Nb8 12. Ne1 Na6 13. Nd3 c6 14. Rc1 Bg4 15. f3 Bd7 16. Qb3 cxd5 17. exd5 Bf5 18. Ne4 Nxe4 19. fxe4 Bg4 20. Rfe1 Kh8 21. h3 Bd7 22. Qb6 f5 23. c5 Nxc5 24. Nxc5 dxc5 25. exf5 Bxf5 26. Qxc5 Qg5 27. Qe3 Qg6 28. Qxe5 Rae8 29. Qc3 h5 30. Rxe8 Rxe8 31. Re1 Qb6+ 32. Kh2 Rxe1 33. Qxe1 Bg6 34. Qe5 Qf2 35. d6 Qd2 36. Qe7 Bd3 37. d7 1-0

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.19"]
[Round "6"]
[White "Martos de la Vega, Alvaro"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1973"]
[BlackElo "1887"]
[PlyCount "102"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 0-0 7. 0-0 Bxd2 8. Nbxd2 d6 9. e4 e5 10. d5 Nb8 11. b4 a5 12. a3 Na6 13. Re1 Bd7 14. Qb3 Nh5 15. Nh4 g6 16. Rab1 f5 17. exf5 g5 18. Nhf3 Bxf5 19. Rb2 h6 20. Nd4 Bd7 21. Ne6 Bxe6 22. dxe6 c6 23. c5 d5 24. Rxe5 axb4 25. axb4 Nc7 26. Nf1 Rf6 27. Rbe2 Ng7 28. Bh3 Ngxe6 29. Ne3 Qf7 30. Nf5 Qh5 31. g4 Ra1+ 32. Re1 Rxe1+ 33. Rxe1 Qf7 34. Qe3 Nf4 35. Bf1 Re6 36. Qd2 Qf6 37. Rxe6 Ncxe6 38. Qa2 Nd8 39. Qa8 Nfe6 40. Qc8 Kh7 41. Qd7+ Qf7 42. Qd6 Qf6 43. Bd3 Qa1+ 44. Bf1 Qd1 45. Qe7+ Kg6 46. Qe8+ Kh7 47. h3 Qe1 48. Ne7 Kg7 49. Nf5+ Kh7 50. Qd7+ Kg6 51. Qe8+ Kh7 1/2-1/2

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.14"]
[Round "4"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Gonzalez Mateos, Rafael"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "1887"]
[BlackElo "2110"]
[PlyCount "105"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Nge2 Ne4 6. Qc2 f5 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. b4 0-0 11. Bb2 Qf6 12. Bd3 e5 13. b5 exd4 14. Qc2 Ne5 15. Bxd4 Be6 16. f4 Nxd3+ 17. Qxd3 Qf7 18. Rc1 a6 19. Qc3 Rfc8 20. 0-0 c5 21. bxc6 Rxc6 22. Qb4 Bxc4 23. Rf3 d5 24. Rg3 Rg6 25. Rxg6 hxg6 26. Qb6 Rc8 27. Rb1 Bd3 28. Rb2 Bb5 29. a4 Rc1+ 30. Kf2 Bc6 31. Qd8+ Qf8 32. Qg5 Qe8 33. a5 Bb5 34. h4 Rc7 35. Bb6 Rd7 36. Rd2 Bc4 37. Rd1 Qe6 38. Bd4 Qe7 39. Qxg6 Qxh4+ 40. Kf3 Rf7 41. Qe6 Qg4+ 42. Kf2 Qxd1 43. Qe8+ Rf8 44. Qe6+ Kh7 45. Qe7 Qe2+ 46. Kg1 Qe1+ 47. Kh2 Rg8 48. Qg5 Be2 49. Qxf5+ g6 50. Qf7+ Kh6 51. Qxg8 Qh4+ 52. Kg1 Qe1+ 53. Kh2 1/2-1/2

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.13"]
[Round "3"]
[White "Saber, Salah"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "1863"]
[BlackElo "1887"]
[PlyCount "90"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[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. Nc3 Na5 10. Nd2 Nxb3 11. Nxb3 0-0 12. axb5 axb5 13. Rxa8 Qxa8 14. h3 c5 15. Bg5 h6 16. Bxf6 Bxf6 17. Nd5 Bd8 18. Nd2 Be6 19. c4 bxc4 20. dxc4 f5 21. f3 Qb7 22. Qc2 Qf7 23. Ne3 f4 24. Ng4 h5 25. Nf2 Qg6 26. Ra1 Bh4 27. Nf1 Qg5 28. Qd2 Bxc4 29. Qxd6 Be2 30. Nh2 Bc4 31. Qxc5 Be6 32. Kf1 Qg3 33. Kg1 Rc8 34. Qb6 Bf7 35. Nf1 Qg5 36. Nd2 Rd8 37. Nb3 Kh7 38. Rf1 Bc4 39. Re1 Bxf2+ 40. Qxf2 Bxb3 41. Ra1 h4 42. Qb6 Rd2 43. g4 Bc4 44. Qb4 Qd8 45. Qxc4 Qb6+ 0-1

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.12"]
[Round "2"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Ballesteros Gonzalez, David"]
[Result "0-1"]
[ECO "E77"]
[WhiteElo "1887"]
[BlackElo "2231"]
[PlyCount "104"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. Be2 exd5 9. exd5 Bf5 10. 0-0 Ne4 11. Nxe4 Bxe4 12. Bd3 Bxd3 13. Qxd3 Re8 14. f5 Nd7 15. fxg6 hxg6 16. Ng5 Bf6 17. Qh3 Bxg5 18. Bxg5 Qxg5 19. Qxd7 Qe3+ 20. Kh1 Qe7 21. Qg4 Kg7 22. Qf4 f5 23. Qg3 Qe5 24. Rae1 Qxg3 25. hxg3 Re5 26. Rxe5 dxe5 27. Kg1 Rd8 28. Kf2 b5 29. b3 Kf6 30. Rd1 a6 31. Ke3 e4 32. d6 Ke6 33. Rd5 bxc4 34. bxc4 Rxd6 35. Rxc5 Rd3+ 36. Kf4 g5+ 37. Kxg5 Rxg3+ 38. Kf4 Rg4+ 39. Ke3 Rxg2 40. Rc6+ Ke5 41. Rc5+ Kf6 42. Rc6+ Kg5 43. Rxa6 Rg3+ 44. Ke2 f4 45. Re6 Kf5 46. Re8 Rg2+ 47. Ke1 Rxa2 48. Rf8+ Ke5 49. Rd8 e3 50. Re8+ Kd4 51. Rd8+ Ke4 52. c5 Ra1+ 0-1

[Event "Madrid-ch sf-A"]
[Site "Madrid"]
[Date "2013.03.11"]
[Round "1"]
[White "Arauz Alonso, Fernando"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2084"]
[BlackElo "1887"]
[PlyCount "93"]
[EventDate "2013.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 b6 6. Nbd2 Bb7 7. Bb2 Be7 8. 0-0 0-0 9. Ne5 Nbd7 10. f4 Ne4 11. Nxe4 dxe4 12. Bc4 Nxe5 13. dxe5 Qxd1 14. Rfxd1 Rfd8 15. Kf2 Rxd1 16. Rxd1 Rd8 17. Ke2 Rxd1 18. Kxd1 h5 19. Bc3 Kf8 20. a4 a5 21. Be2 g6 22. Be1 Bc6 23. h3 h4 24. g3 hxg3 25. Bxg3 Kg7 26. Ke1 Bd8 27. Kf1 Be7 28. Kg1 Bd8 29. Kg2 Be7 30. h4 Kh6 31. Kh3 Bd8 32. h5 gxh5 33. Bh4 Bxh4 34. Kxh4 Kg6 35. Bxh5+ Kg7 36. Kg5 c4 37. Be2 cxb3 38. cxb3 Bd5 39. Bc4 Bc6 40. Ba6 Bd5 41. Bc4 Bc6 42. f5 exf5 43. Kxf5 Bb7 44. e6 Bc8 45. Kxe4 fxe6 46. Ke5 Kf7 47. Kd6 1-0

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.09"]
[Round "9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Garcia Ruiz Fuentes, Angel Marcos"]
[Result "1-0"]
[ECO "E77"]
[WhiteElo "1893"]
[BlackElo "1968"]
[PlyCount "59"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f4 d6 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Na6 10. a3 Nc7 11. 0-0 Bd7 12. Ra2 a6 13. Bd3 b5 14. b3 Ng4 15. Ne4 f5 16. Nf2 Nxf2 17. Raxf2 bxc4 18. bxc4 Rb8 19. Kh1 Qf6 20. h3 Qc3 21. Rg1 Na8 22. g4 Bd4 23. Nxd4 Qxd4 24. gxf5 Qxf2 25. fxg6 Qh4 26. gxh7+ Kh8 27. Rg2 Bf5 28. Bxf5 Rxf5 29. Qd3 Qf6 30. Bd2 1-0

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.08"]
[Round "8"]
[White "Enfedaque Jimenez, Juan Carlos"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C69"]
[BlackElo "1893"]
[PlyCount "62"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d3 f6 7. Be3 Be6 8. Nbd2 Ne7 9. Nh4 Qd7 10. Nb3 g5 11. Nf3 g4 12. Nfd2 h5 13. c4 Ng6 14. d4 Qh7 15. dxe5 Nxe5 16. c5 Be7 17. Nd4 Bd7 18. f4 gxf3 19. N4xf3 Nxf3+ 20. Qxf3 Bg4 21. Qg3 0-0-0 22. Rac1 Rhg8 23. Qf4 Rg6 24. Nf3 Be6 25. Nd4 Rg4 26. Nxe6 Rxf4 27. Bxf4 Rg8 28. Rfe1 Qg6 29. g3 Qg4 30. Nd4 Qxf4 31. Rf1 Qe3+ 0-1

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.07"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Vukotic Jovsic, Dragan"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1893"]
[BlackElo "2010"]
[PlyCount "92"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bf8 7. Nxd4 Nc6 8. Ngf3 Qb6 9. c3 Bc5 10. Bd3 Bd7 11. 0-0 Nxd4 12. cxd4 Bxd4 13. Nxd4 Qxd4 14. Bc3 Qb6 15. Qg4 g6 16. Bd4 Qb4 17. Qf4 Ne7 18. Qf6 Rg8 19. Be3 d4 20. Bg5 Nd5 21. Qf3 Bc6 22. Qe2 a6 23. Rfc1 h6 24. Bxh6 Rh8 25. Bg5 Rh5 26. h4 Rxg5 27. hxg5 Nf4 28. Qd1 Bxg2 29. Bf1 Bd5 30. Qg4 d3 31. Qg3 Qe4 32. Qh2 Ne2+ 33. Bxe2 dxe2 34. Re1 Kd7 35. f3 Qe3+ 36. Qf2 Qxg5+ 37. Qg2 Qe3+ 38. Qf2 Qxe5 39. Rxe2 Qg5+ 40. Qg2 Qf4 41. Rd1 Rh8 42. Re4 Qf6 43. Rb4 Rh5 44. f4 Ke8 45. Qc2 Rh1+ 46. Kf2 Rh2+ 0-1

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.06"]
[Round "6"]
[White "Perez Alvarez, Javier"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1824"]
[BlackElo "1893"]
[PlyCount "62"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

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. Kh1 Bb6 12. a4 a6 13. Qd2 c5 14. Nc2 f5 15. Bg5 N7c6 16. f4 Nf7 17. exf5 Bxf5 18. Ne3 Nxg5 19. fxg5 Be6 20. Nd5 Rxf1+ 21. Bxf1 Qf7 22. Ne3 Rf8 23. Na3 d5 24. Be2 d4 25. Nec4 Bc7 26. Qe1 Qf4 27. Qg1 Qxg5 28. Rf1 Rxf1 29. Qxf1 Qh4 30. Qg1 Ne7 31. cxd4 Nf5 0-1

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.05"]
[Round "5"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Moset Grande, Javier"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1893"]
[PlyCount "69"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. e4 d6 5. f4 Bg4 6. Nf3 Nc6 7. Be3 e5 8. fxe5 dxe5 9. d5 Bxf3 10. gxf3 Ne7 11. Qd2 0-0 12. Bd3 Nh5 13. Ne2 f5 14. 0-0-0 f4 15. Bf2 Nc8 16. Kb1 b6 17. Nc3 Nd6 18. c5 bxc5 19. Bxc5 Nf6 20. Ba3 Nd7 21. Rc1 Nb6 22. Nb5 Rf7 23. Rc6 Bf8 24. Qc3 Nxb5 25. Bxb5 Bxa3 26. Qxa3 Nc8 27. Qc3 Nd6 28. Bd3 Rb8 29. Qxe5 Qh4 30. Rc2 Qh3 31. Rf1 Re8 32. Qd4 c5 33. dxc6 Qe6 34. Re1 Qc8 35. Qxd6 1-0

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.04"]
[Round "4"]
[White "Jimenez Perez, Federico"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1275"]
[BlackElo "1893"]
[PlyCount "42"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Bxc6+ Nxc6 12. Nxc6 Qd5 13. Ne5 Qxe5 14. 0-0 Bd6 15. g3 Bh3 16. d4 Qf5 17. Re1 0-0 18. Nc3 Bg4 19. Qd2 Bf3 20. Re3 Qh3 21. Rxf3 exf3 0-1

[Event "San Sebastian de los Reyes op 14th"]
[Site "San Sebastian"]
[Date "2012.12.03"]
[Round "3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Martin Rodriguez, Jose Luis"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1893"]
[BlackElo "1443"]
[PlyCount "40"]
[EventDate "2012.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 151 Extra"]
[Source "ChessBase"]
[SourceDate "2012.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2012.12.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 b6 7. cxd5 Qxd5 8. e4 Qd7 9. Bd3 Ba6 10. Bb1 0-0 11. Qc2 Qb5 12. Nh3 Qh5 13. Nf4 Qg5 14. Nxe6 Qg6 15. Nxf8 Kxf8 16. a4 Nc6 17. Ba3+ Kg8 18. Qf2 Nh5 19. e5 Qg5 20. Bc1 Qxc1# 0-1

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.09"]
[Round "9"]
[White "Gonzalez Mateos, Rafael"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2161"]
[BlackElo "1862"]
[PlyCount "105"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c3 g6 3. Bg5 Bg7 4. Nd2 d5 5. e3 Nbd7 6. f4 c5 7. Ngf3 Qb6 8. Qb3 Ng4 9. Qxb6 axb6 10. Ke2 f6 11. Bh4 e5 12. h3 Nh6 13. g4 exf4 14. exf4 0-0 15. Bg2 Re8+ 16. Kf2 Nf8 17. Rhe1 Bd7 18. dxc5 bxc5 19. Nb3 Ne6 20. Bg3 c4 21. Nbd4 Nc5 22. Rxe8+ Rxe8 23. Ne1 Ne4+ 24. Bxe4 Rxe4 25. Nec2 Nf7 26. Rd1 Bf8 27. Ne3 Bc6 28. Nxc6 bxc6 29. Nc2 Re8 30. Kf3 Ra8 31. a3 Nd6 32. Nb4 Rb8 33. f5 gxf5 34. Nxc6 fxg4+ 35. hxg4 Rxb2 36. Rxd5 Nb5 37. Rd8 Kf7 38. a4 Nxc3 39. a5 Nb5 40. Rc8 c3 41. Nd8+ Ke7 42. Bf4 Kd7 43. Ra8 Bc5 44. Nb7 Nd4+ 45. Ke4 Rxb7 46. Kd5 Rb5 47. Kc4 Nc6 48. Kxb5 Ba3 49. Rh8 c2 50. Rxh7+ Ke6 51. Kxc6 c1Q+ 52. Bxc1 Bxc1 53. a6 1-0

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.08"]
[Round "8"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Corisco Beltran, Rafael"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1862"]
[BlackElo "1979"]
[PlyCount "49"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 b5 9. c3 Nc6 10. Ne2 Bb7 11. 0-0 Nge7 12. Bh6 0-0 13. Bxg7 Kxg7 14. d4 Qc7 15. Ne3 f5 16. d5 Nd8 17. Rad1 e5 18. f4 exf4 19. Nxf4 fxe4 20. Ng4 Nf5 21. Bxe4 Bc8 22. Rde1 Nf7 23. Ne6+ Bxe6 24. dxe6 Ne5 25. Nxe5 1-0

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.07"]
[Round "7"]
[White "Lopez Moll, Jose Manuel"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1991"]
[BlackElo "1862"]
[PlyCount "48"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. c3 cxd4 6. cxd4 dxe4 7. Nxe4 Nf6 8. Nf3 Nbd7 9. 0-0 0-0 10. Bf4 Nxe4 11. Bxe4 Nf6 12. Bc2 b6 13. Re1 Bb7 14. Be5 Rc8 15. Qd3 g6 16. Rac1 Nd5 17. a3 Bf6 18. Qd2 Bg7 19. h4 Nf6 20. Nh2 h5 21. Qf4 Nd5 22. Qg3 Ne7 23. Qf4 Nd5 24. Qg3 Ne7 1/2-1/2

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.06"]
[Round "6"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Fritzer, Friedrich"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1862"]
[BlackElo "1725"]
[PlyCount "55"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Be2 c5 9. 0-0 Nc6 10. Be3 Qa5 11. dxc5 Bxc3 12. Rc1 Bg7 13. Bc4 Bg4 14. Qb3 Bxf3 15. gxf3 Qc7 16. f4 Nd4 17. Qa4 a6 18. Rfd1 e5 19. Kg2 Rad8 20. Bd5 Ne2 21. Rc2 Nxf4+ 22. Kh1 Qc8 23. Bxf4 exf4 24. Qb3 Be5 25. Rcd2 Qxc5 26. Bxf7+ Rxf7 27. Rxd8+ Kg7 28. R8d7 1-0

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.04"]
[Round "4"]
[White "Montoya Pecurul, Marc"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1925"]
[BlackElo "1862"]
[PlyCount "49"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bg7 7. Bc4 0-0 8. Bb3 a5 9. 0-0 a4 10. Nxa4 Nxe4 11. Nb5 d5 12. f3 d4 13. Nxd4 Nxd4 14. fxe4 Be6 15. Rf2 Nxb3 16. cxb3 Qb8 17. Nc5 Bc8 18. Rd2 Be5 19. h3 Bh2+ 20. Kh1 Bd6 21. Qf3 f5 22. Bh6 Rf7 23. e5 Bc7 24. Rad1 Be6 25. Nxe6 1-0

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.02"]
[Round "2"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Gomez Gonzalez, Javier"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1862"]
[BlackElo "2137"]
[PlyCount "68"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. e4 d6 5. Bd3 c5 6. e5 cxd4 7. Ne4 Nxe4 8. Bxe4 d5 9. Bf3 Nc6 10. Bf4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 Nxe5 13. Qxd4 Nxf3+ 14. Nxf3 0-0 15. 0-0-0 Qc7 16. Kb1 Qxc4 17. Qe5 Qe4+ 18. Qxe4 dxe4 19. Ng5 f5 20. Rd6 Re8 21. Rc1 h6 22. Nh3 Kf7 23. Nf4 g5 24. Ne2 Ba6 25. Nd4 Bd3+ 26. Ka1 Rad8 27. Rxd8 Rxd8 28. Rc7+ Kf6 29. Nc6 Rd6 30. b3 f4 31. Nxa7 e3 32. fxe3 fxe3 33. a4 e2 34. Rc1 Ba6 0-1

[Event "Madrid Oliver Gonzalez Memorial-A 3rd"]
[Site "Madrid"]
[Date "2012.09.01"]
[Round "1"]
[White "Garcia Salamero, Gabriel"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2239"]
[BlackElo "1862"]
[PlyCount "77"]
[EventDate "2012.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 150 Extra"]
[Source "ChessBase"]
[SourceDate "2012.10.19"]
[SourceVersion "1"]
[SourceVersionDate "2012.10.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. g3 Na5 8. Nbd2 Ne7 9. Bh3 Bd7 10. 0-0 Qc7 11. Ne1 0-0-0 12. f4 f5 13. exf6 gxf6 14. Nef3 Ng6 15. Re1 Re8 16. f5 e5 17. b4 cxb3 18. Nxb3 Nc4 19. dxe5 Ngxe5 20. Nfd4 Bd6 21. Bf4 Nf7 22. Bxd6 Qxd6 23. Ne6 h5 24. Bg2 h4 25. Qxd5 Qxd5 26. Bxd5 Ncd6 27. Nbd4 hxg3 28. hxg3 Nh6 29. Rab1 b6 30. c4 Nhxf5 31. Nxf5 Nxf5 32. c5 Reg8 33. cxb6 Rxg3+ 34. Kf1 Kb8 35. bxa7+ Kxa7 36. Rb7+ Ka6 37. Nc5+ Ka5 38. Nxd7 Rh2 39. Ra7+ 1-0

[Event "ESP-ch U16"]
[Site "Salobrena"]
[Date "2012.07.20"]
[Round "7"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Martin Perez, Laura"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1854"]
[BlackElo "2019"]
[PlyCount "70"]
[EventDate "2012.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 d6 6. Bxc4 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Re1 Nfd7 10. Bd2 Ba6 11. Bxa6 Nxa6 12. Bc3 Nf6 13. Qe2 Qb6 14. a3 Nc7 15. a4 Qa6 16. Qd2 Rad8 17. b3 e6 18. Qb2 e5 19. Na3 Nh5 20. Nc4 Nf4 21. Rad1 f5 22. g3 fxe4 23. Rxe4 Nfxd5 24. Ng5 Nxc3 25. Qxc3 d5 26. Rh4 h6 27. Nxe5 hxg5 28. Rg4 Qf6 29. f4 Ne6 30. Qc2 Qf5 31. Qe2 Bxe5 32. fxe5 Nd4 33. Rdxd4 cxd4 34. h3 d3 35. Qd2 Qf1+ 0-1

[Event "ESP-ch U16"]
[Site "Salobrena"]
[Date "2012.07.20"]
[Round "8"]
[White "Escudero Manzano, Alejandro"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2129"]
[BlackElo "1854"]
[PlyCount "133"]
[EventDate "2012.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. Qd3 0-0 9. 0-0-0 b6 10. g4 Bb7 11. Rg1 c5 12. g5 Be7 13. Qe3 Qc7 14. Bd3 Rac8 15. Kb1 Rfd8 16. c3 Bd5 17. Nfd2 c4 18. Bc2 b5 19. Qh3 g6 20. Qh4 b4 21. Ba4 bxc3 22. Nxc3 Rb8 23. Bxd7 Rxd7 24. Nde4 Qb6 25. Rd2 Bxe4+ 26. Qxe4 Ba3 27. Nd1 c3 28. Nxc3 Qb4 29. Qc2 Rxd4 30. Rxd4 Qxd4 31. Rd1 Qf4 32. b3 Qxg5 33. Ne4 Qf5 34. Rd7 a5 35. Ng3 Qe5 36. Rd2 a4 37. Ne4 axb3 38. axb3 Bb4 39. Re2 Ra8 40. Qb2 Qxb2+ 41. Kxb2 Kg7 42. Rc2 Ra7 43. Rc4 Be7 44. b4 f5 45. Nc3 Kf7 46. b5 Rb7 47. Kb3 Bd6 48. h3 Ke7 49. Rc6 Kd7 50. Ra6 Kc7 51. Kc4 Rb6 52. Ra8 Rb8 53. Ra6 Rb6 54. Ra2 Kb7 55. Na4 Bc7 56. Nxb6 Bxb6 57. Re2 e5 58. Rxe5 Bxf2 59. Re7+ Kb6 60. Rxh7 g5 61. Rh6+ Kb7 62. Rg6 Bh4 63. b6 g4 64. hxg4 fxg4 65. Kb5 g3 66. Rg7+ Kb8 67. Kc6 1-0

[Event "ESP-ch U16"]
[Site "Salobrena"]
[Date "2012.07.18"]
[Round "4"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Garcia de Lomas Guerrero, Carlos"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1854"]
[BlackElo "2041"]
[PlyCount "138"]
[EventDate "2012.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 d6 6. Bxc4 g6 7. Nc3 Bg7 8. Nf3 Nfd7 9. 0-0 0-0 10. Bf4 Nb6 11. Be2 N8d7 12. Rad1 a5 13. Rfe1 f5 14. Ng5 Ne5 15. Bc1 f4 16. Nf3 Bg4 17. Nxe5 Bxe2 18. Nxe2 Bxe5 19. f3 Nd7 20. Bd2 Qb6 21. Bc3 Rab8 22. Rb1 Rb7 23. Kh1 g5 24. Nc1 c4 25. Ne2 Rfb8 26. Red1 Bxc3 27. Qxc3 Ne5 28. Nd4 h6 29. Rd2 a4 30. a3 Kh7 31. g3 Rf8 32. Ne6 Rf7 33. gxf4 gxf4 34. Nd4 Rb8 35. Rg2 Rg8 36. Rbg1 Rxg2 37. Rxg2 Qc5 38. Nf5 Qb6 39. Qd2 Qb3 40. Qxf4 Qd1+ 41. Rg1 Qxf3+ 42. Qxf3 Nxf3 43. Rc1 Nd2 44. Ng3 Rf2 45. Kg1 Rf4 46. Rc2 Nxe4 47. Re2 Nc5 48. Rxe7+ Kg6 49. Re2 Rd4 50. Rc2 Kf6 51. Rf2+ Kg5 52. Rc2 Kg4 53. Nf1 Ne4 54. Rxc4 Rxc4 55. Ne3+ Kf4 56. Nxc4 h5 57. Nb6 Nc5 58. Nc4 Ke4 59. Nxd6+ Kxd5 60. Nb5 Kc4 61. Nc3 Kb3 62. Kf2 Kxb2 63. Nxa4+ Nxa4 64. Kg3 Kxa3 65. Kh4 Nc5 66. Kxh5 Nd3 67. Kg5 Ne5 68. h3 Kb4 69. Kf5 Nf3 1/2-1/2

[Event "ESP-ch U16"]
[Site "Salobrena"]
[Date "2012.07.18"]
[Round "5"]
[White "Ruiz Font, Elisabet"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2039"]
[BlackElo "1854"]
[PlyCount "62"]
[EventDate "2012.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[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. Nc3 Bg7 6. Nb3 Nf6 7. Be2 0-0 8. 0-0 d6 9. Bg5 Be6 10. f4 Rc8 11. Bf3 Nd7 12. Rb1 Nb6 13. Nd5 Nc4 14. c3 Re8 15. Qe2 Bxd5 16. exd5 N6a5 17. Kh1 Nxb3 18. axb3 Na5 19. b4 Nc4 20. b3 Nb6 21. c4 Nd7 22. Rbc1 Bf6 23. Bxf6 Nxf6 24. Rfd1 e6 25. dxe6 Rxe6 26. Qf2 b6 27. c5 Qc7 28. c6 d5 29. b5 Qxf4 30. Qa2 Re7 31. Rf1 Qb4 1/2-1/2

[Event "ESP-ch U16"]
[Site "Salobrena"]
[Date "2012.07.17"]
[Round "3"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Martin Duque, Jesus"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1854"]
[BlackElo "2241"]
[PlyCount "113"]
[EventDate "2012.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 0-0 6. Bc4 c6 7. a4 Na6 8. 0-0 Nb4 9. Bb3 d5 10. e5 Ne8 11. Ne2 f6 12. c3 Na6 13. Bf4 fxe5 14. Nxe5 Nd6 15. Bh2 Nc7 16. Nc1 Nce8 17. Ncd3 Nf6 18. Re1 a5 19. Re2 Qc7 20. Qe1 Re8 21. c4 Qd8 22. cxd5 cxd5 23. Nf4 e6 24. Ned3 Nfe4 25. f3 Bxd4+ 26. Kh1 Nf6 27. Nxe6 Bxe6 28. Rxe6 Nf5 29. Rxe8+ Qxe8 30. Nf4 Bxb2 31. Nxd5 Nxd5 32. Bxd5+ Kg7 33. Qxe8 Rxe8 34. Rb1 b6 35. Bc7 Bd4 36. Bxb6 Bxb6 37. Rxb6 Re1+ 38. Kh2 h5 39. g4 Re2+ 40. Kg1 Ng3 41. Ra6 h4 42. Bc4 Rc2 43. Bb5 Rc1+ 44. Kg2 Rc2+ 45. Kg1 Rc1+ 46. Kf2 Rc2+ 47. Ke3 Rh2 48. Rxa5 Rxh3 49. g5 Nf5+ 50. Kf2 Rh2+ 51. Kg1 Ra2 52. Ra7+ Kf8 53. Rf7+ Kg8 54. Rf6 Kg7 55. Rf7+ Kg8 56. Rf6 Kg7 57. Bd3 1/2-1/2

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.24"]
[Round "8.10"]
[White "Kalynovsky, Martin"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1726"]
[BlackElo "1796"]
[PlyCount "79"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[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. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. h3 Nge7 7. Nf3 Bf5 8. Bxf5 Nxf5 9. Qb3 Qe7+ 10. Kd1 0-0-0 11. Qxd5 g6 12. Qb3 Na5 13. Qc2 c5 14. Bg5 f6 15. Re1 Qf7 16. Be3 Kb8 17. Nbd2 cxd4 18. Bxd4 Nc6 19. Be3 Rhe8 20. Kc1 Nb4 21. cxb4 Rc8 22. Bc5 Rxe1+ 23. Nxe1 Qe7 24. Kd1 Bxc5 25. bxc5 Rxc5 26. Qd3 Qe5 27. Rb1 Rd5 28. Qe2 Qd6 29. Nef3 Nd4 30. Nxd4 Rxd4 31. Rc1 Qd7 32. Rc4 Rd5 33. Kc1 Re5 34. Qd1 Rd5 35. Rc2 Qf5 36. Qf3 Qe6 37. b3 Qe1+ 38. Kb2 Qe5+ 39. Qc3 Qe6 40. Qc7+ 1-0

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.18"]
[Round "7.11"]
[White "Rodriguez Sebastian, Roberto"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "1743"]
[BlackElo "1796"]
[PlyCount "89"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[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 Be7 4. e5 c5 5. c3 Nc6 6. Bb5 Qb6 7. Qb3 Bd7 8. Bxc6 bxc6 9. Qxb6 axb6 10. Ne2 cxd4 11. cxd4 c5 12. 0-0 Nh6 13. Rd1 Nf5 14. Nf3 0-0 15. g4 Nh4 16. Nxh4 Bxh4 17. g5 f6 18. gxf6 gxf6 19. Bh6 Rf7 20. Ng3 Ra4 21. Be3 fxe5 22. b3 exd4 23. bxa4 dxe3 24. fxe3 Rf3 25. Rab1 Bxa4 26. Re1 b5 27. Kg2 Rf7 28. Kh3 Be7 29. Kg2 c4 30. Ne2 Bh4 31. Rf1 Bf6 32. Nd4 Bxd4 33. exd4 Rg7+ 34. Kf3 Kf7 35. Ke3+ Ke7 36. Rf2 Rg4 37. Rf4 Rg2 38. Rf2 Rxf2 39. Kxf2 Kd6 40. Ke3 e5 41. Rf1 e4 42. a3 Ke6 43. Rc1 Kf5 44. h3 h5 45. Rf1+ 1/2-1/2

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.17"]
[Round "6.9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Lopez Ziegler, Carlos"]
[Result "0-1"]
[ECO "E02"]
[WhiteElo "1796"]
[PlyCount "112"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 dxc4 6. 0-0 Nbd7 7. Qc2 0-0 8. Qxc4 c5 9. Rd1 a6 10. Qc2 Nd5 11. Nc3 cxd4 12. Nxd5 exd5 13. Nxd4 Nf6 14. b3 Bd7 15. Bb2 Rc8 16. Qb1 g6 17. a3 Qb6 18. Qa2 Rfe8 19. Rac1 a5 20. Nc2 Bc5 21. Bxf6 Bxf2+ 22. Kh1 Qxf6 23. Ne1 Bxe1 24. Rxe1 Rxc1 25. Rxc1 Qf2 26. Rf1 Qxe2 27. Qxe2 Rxe2 28. Bxd5 Be6 29. Rd1 Kg7 30. Bxe6 Rxe6 31. Rd5 b6 32. Rb5 Kf6 33. Kg1 Ke7 34. Kf2 Kd7 35. a4 Kc6 36. b4 axb4 37. Rxb4 Re5 38. Kg2 Re2+ 39. Kg1 f5 40. h4 Re4 41. Rb5 Rxa4 42. Re5 Ra7 43. Kf2 Rd7 44. Ke3 b5 45. Kf4 b4 46. Ke3 b3 47. Re6+ Kb5 48. Re8 Kb4 49. Rb8+ Kc3 50. Rc8+ Kb2 51. Rb8 Kc2 52. Rc8+ Kb1 53. Rb8 b2 54. Rb6 Rc7 55. Kd2 Rd7+ 56. Ke2 Ra7 0-1

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.11"]
[Round "5.12"]
[White "Hernandez del Can, Jose Alberto"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1726"]
[BlackElo "1796"]
[PlyCount "64"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nc6 7. 0-0 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7 11. Be3 e5 12. d5 Ne7 13. Bg2 f5 14. f4 Rf7 15. Qc2 Nc5 16. Rab1 a5 17. a3 Qd7 18. b4 axb4 19. axb4 Nxe4 20. Nxe4 fxe4 21. Qxe4 Nf5 22. Kh2 Ra3 23. Rf3 Nxg3 24. Rxg3 exf4 25. Bxf4 Rxf4 26. Qe6+ Qxe6 27. dxe6 Rxg3 28. e7 Rxg2+ 29. Kxg2 Re4 30. c5 Rxe7 31. cxd6 cxd6 32. b5 Bd4 0-1

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.10"]
[Round "4.9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Henderson, Martin"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "1796"]
[PlyCount "62"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 b6 6. a3 Be7 7. g3 Bb7 8. d5 d6 9. Bg2 c6 10. Nf4 Qd7 11. 0-0 Na6 12. dxe6 fxe6 13. Bh3 Nc7 14. Nfe2 Rae8 15. Nd4 Bd8 16. Qa4 a6 17. Qb3 Qf7 18. Nf3 h6 19. c5 Ncd5 20. cxd6 e5 21. Ne2 Qh5 22. Bg2 e4 23. Nf4 Qf7 24. Nd4 Nd7 25. Qc2 c5 26. Nb3 Re5 27. Bxe4 Nxe3 28. Bh7+ Kh8 29. Bxe3 Rg5 30. Ng6+ Rxg6 31. Bxg6 Qf3 0-1

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.04"]
[Round "3.13"]
[White "Duro Algarra, Jorge"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B27"]
[BlackElo "1796"]
[PlyCount "62"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qc3 Nd5 7. Qd2 Nb6 8. Bd3 Bg7 9. 0-0 Nxe5 10. Nxe5 Bxe5 11. Re1 Bg7 12. Nc3 0-0 13. b3 d5 14. Ba3 Re8 15. Rad1 e5 16. Be4 d4 17. Nb5 Re6 18. c3 a6 19. Nxd4 exd4 20. cxd4 Nd5 21. Bc5 b6 22. Bxd5 Qxd5 23. Rxe6 fxe6 24. Bxb6 Bb7 25. f3 Rc8 26. Bc5 e5 27. b4 Rd8 28. Qb2 exd4 29. Bxd4 Bxd4+ 30. Rxd4 Qxd4+ 31. Qxd4 Rxd4 0-1

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.03"]
[Round "2.17"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Vela Martinez, Jose"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1796"]
[PlyCount "157"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 5. Bd3 0-0 6. Nge2 c5 7. d5 e6 8. 0-0 Nh5 9. Be3 f5 10. dxe6 Bxe6 11. exf5 Bxf5 12. Bxf5 Rxf5 13. g4 Rg5 14. Bxg5 Qxg5 15. Qd5+ Qxd5 16. Nxd5 Nf6 17. Nc7 Nxg4 18. Nxa8 Nc6 19. Rad1 Bxb2 20. h3 Nge5 21. Rxd6 Nf3+ 22. Kh1 Be5 23. Rd5 Nb4 24. Rxc5 Nd3 25. Rxe5 Nfxe5 26. Nc1 Nf4 27. Kh2 Nxc4 28. Kg3 Nh5+ 29. Kh4 Nd2 30. Rd1 Nf3+ 31. Kg4 Ne5+ 32. Kg5 Kg7 33. Rd3 h6+ 34. Kh4 Nxd3 35. Nxd3 Nf6 36. Nc7 g5+ 37. Kg3 Ne4+ 38. Kg2 Nc3 39. Nc1 b5 40. Na6 Nd5 41. Nd3 Nc3 42. Ndb4 Kg6 43. Kf3 Kf6 44. a3 Ke5 45. Nc6+ Kd5 46. Nxa7 Kc4 47. Nc7 b4 48. axb4 Kxb4 49. Nc6+ Kc5 50. Nd8 Kd6 51. Na6 Ke7 52. Nc6+ Kd7 53. Nd4 h5 54. Nc5+ Ke7 55. Nf5+ Kf7 56. Nd6+ Ke7 57. Nde4 g4+ 58. hxg4 hxg4+ 59. Kxg4 Nd1 60. f4 Ne3+ 61. Kf3 Nc2 62. Ng5 Kd6 63. Nce4+ Ke7 64. Ng3 Kf6 65. Ke4 Nb4 66. Nf3 Na6 67. Nh4 Nc5+ 68. Kd5 Ne6 69. Nh5+ Kf7 70. f5 Nc7+ 71. Ke5 Ne8 72. Nf3 Ke7 73. Ng5 Nd6 74. f6+ Kd7 75. Ng3 Ne8 76. f7 Ke7 77. Nf5+ Kf8 78. Nh4 Nf6 79. Ng6+ 1-0

[Event "Madrid-ch prel-B"]
[Site "Madrid"]
[Date "2012.02.02"]
[Round "1.15"]
[White "Lopez Munoz, Pedro"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "E63"]
[BlackElo "1796"]
[PlyCount "53"]
[EventDate "2012.02.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. c4 d6 6. 0-0 Nc6 7. Nc3 a6 8. e4 b5 9. e5 dxe5 10. Nxe5 Nxe5 11. dxe5 Bg4 12. f3 b4 13. fxg4 Nxg4 14. Qxg4 bxc3 15. Bxa8 Qxa8 16. Qe2 f6 17. exf6 Bxf6 18. bxc3 Bxc3 19. Bb2 Qa7+ 20. Kg2 Qb7+ 21. Kh3 Bxb2 22. Qe6+ Kg7 23. Qxe7+ Kh6 24. Qxf8+ Bg7 25. Qf4+ g5 26. Qf5 Bxa1 27. Qe6+ 1-0

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.10"]
[Round "9"]
[White "Cerrato Torrijos, Javier"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1675"]
[BlackElo "1770"]
[PlyCount "70"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 dxe4 10. fxe4 Bd7 11. h3 Nxd4 12. Bxd4 Bc6 13. Qe3 Qa5 14. Kb1 Rfc8 15. g4 e5 16. Bc5 b6 17. Be7 b5 18. Bg2 b4 19. Nd5 Bxd5 20. exd5 Qc7 21. Bxf6 Qxc2+ 22. Ka1 Bxf6 23. Qf3 Bg7 24. d6 e4 25. Qb3 Qxg2 26. Rhf1 Rf8 27. d7 Rad8 28. Rfe1 a5 29. Kb1 a4 30. Qc2 Qxc2+ 31. Kxc2 f5 32. Rd5 fxg4 33. hxg4 Rf2+ 34. Kd1 Rf7 35. Rxe4 Rfxd7 0-1

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.09"]
[Round "8"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Cavalle Pulla, Daniel"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1770"]
[BlackElo "1997"]
[PlyCount "102"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Nbd7 9. Nf3 Nb6 10. Rb1 Bc4 11. Nh4 Bxa2 12. Nxa2 Rxa2 13. 0-0 Bg7 14. Qb3 Ra4 15. Qb5+ Nfd7 16. b4 Rxb4 17. Rxb4 cxb4 18. Qxb4 0-0 19. Be3 Qc7 20. Rc1 Qb7 21. Rb1 Rb8 22. Bh3 f5 23. Bg2 Qa6 24. Bf3 Nc4 25. Qe1 Rf8 26. Ng2 Nde5 27. Nf4 Nxe3 28. fxe3 Qa7 29. Qf2 Ng4 30. Bxg4 fxg4 31. Qg2 Qxe3+ 32. Kh1 g5 33. Nd3 Rc8 34. Qf1 Qe4+ 35. Qg2 Qd4 36. Rb4 Rc1+ 37. Nxc1 Qxb4 38. Nd3 Qb1+ 39. Qg1 Qb5 40. Qg2 Bd4 41. h3 gxh3 42. Qxh3 Qxd5+ 43. Kh2 Qe4 44. Qh5 Qe3 45. Kh3 Kg7 46. Ne1 Qe6+ 47. Kg2 Qe4+ 48. Kh2 h6 49. Nd3 Qe3 50. Kh3 Be5 51. Qg4 h5 0-1

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.08"]
[Round "7"]
[White "Lobato Lavin, Alvaro"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2033"]
[BlackElo "1770"]
[PlyCount "71"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 a6 7. 0-0 Nf6 8. Qe2 Bg4 9. Be3 e6 10. Rfd1 Qc7 11. Rac1 Be7 12. Bb3 0-0 13. h4 Bxf3 14. Qxf3 Rac8 15. Qg3 Rfd8 16. f4 b5 17. f5 b4 18. Na4 Nxe4 19. Qf3 Nc5 20. Nxc5 dxc5 21. fxe6 Ne5 22. exf7+ Kf8 23. Rxd8+ Rxd8 24. Qh5 c4 25. Qxh7 Bc5 26. Qg8+ Ke7 27. Bxc5+ Qxc5+ 28. Kh1 Qe3 29. Qxd8+ Kxd8 30. f8Q+ Kd7 31. Rd1+ Kc6 32. Ba4+ Kb6 33. Qxb4+ Ka7 34. Qd6 Qe4 35. Qc7+ Ka8 36. Rd8# 1-0

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.07"]
[Round "6"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Quevedo Marin, Manuel"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1770"]
[BlackElo "2184"]
[PlyCount "78"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. e3 Bg4 8. Be2 Bxf3 9. Bxf3 e6 10. 0-0 Bd6 11. Bxd6 Qxd6 12. Be2 b5 13. Rc1 0-0 14. Qd2 Rfc8 15. Rfd1 Qd8 16. f3 Qb6 17. Kh1 Rd8 18. Bd3 Rac8 19. Bb1 Na5 20. b3 Nc6 21. Ne2 Ne7 22. e4 Rxc1 23. Nxc1 dxe4 24. fxe4 Nc6 25. Ne2 Nxd4 26. Nxd4 e5 27. Qc2 Qd6 28. Qe2 exd4 29. e5 Qe6 30. Re1 Nd7 31. Qe4 Nf8 32. Rd1 Qd5 33. Qh4 Ng6 34. Qh5 Re8 35. Qf5 Qxe5 36. Qf2 Qe3 37. Qf1 Nf4 38. h3 Ne2 39. Kh2 Qe5+ 0-1

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.06"]
[Round "5"]
[White "Camarero Izquierdo, Juan Carlos"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1915"]
[BlackElo "1770"]
[PlyCount "78"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd3 h6 5. Bh4 e6 6. e4 dxe4 7. Nxe4 Be7 8. Bxf6 Bxf6 9. f4 c5 10. Nd6+ Ke7 11. Ne4 Qa5+ 12. c3 cxd4 13. b4 Qc7 14. Nxf6 Nxf6 15. Qxd4 Rd8 16. Qe5 Qb6 17. Bc4 Ng4 18. Qe2 Qe3 19. Kf1 Rd2 20. Qxe3 Nxe3+ 21. Ke1 Nxc4 22. Ne2 Rd6 23. Nd4 Ne3 24. Kf2 Nd5 25. Nb5 Rd8 26. Rad1 Bd7 27. Rxd5 exd5 28. Re1+ Kf8 29. Nc7 Rac8 30. Nxd5 Be6 31. Ne3 Rxc3 32. f5 Rd2+ 33. Kf3 Bxf5 34. Kf4 Be6 35. a4 Rd4+ 36. Ke5 Rxb4 37. g4 Ke7 38. h4 Rc5+ 39. Nd5+ Rxd5# 0-1

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.05"]
[Round "4"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Ramos del Campo, Alexander"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "1770"]
[BlackElo "2038"]
[PlyCount "65"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 Re8 10. Ng3 a6 11. a4 Qc7 12. h3 c4 13. Bc2 Nbd7 14. f4 b6 15. Qf3 Rb8 16. Be3 Nc5 17. Qf2 Nfd7 18. e5 dxe5 19. f5 Nf6 20. Bg5 Rf8 21. fxg6 fxg6 22. Qd2 b5 23. d6 Qb6 24. Kh1 Be6 25. Bxf6 Rxf6 26. Rxf6 Bxf6 27. Nd5 Bxd5 28. Qxd5+ Kg7 29. a5 Qa7 30. Rf1 Rc8 31. Bf5 Rf8 32. Ne4 Nxe4 33. Bxe4 1/2-1/2

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.04"]
[Round "3"]
[White "Cubillo Munoz, Miguel"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2006"]
[BlackElo "1770"]
[PlyCount "96"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 e6 7. d3 Nge7 8. f4 0-0 9. Be3 b6 10. g4 d5 11. f5 d4 12. f6 dxe3 13. fxg7 Kxg7 14. Rf3 Ne5 15. Rg3 N7c6 16. g5 Nd4 17. Nf4 f6 18. gxf6+ Kh8 19. Nh5 e2 20. Nxe2 gxh5 21. c3 Ndc6 22. d4 h4 23. Rh3 Ba6 24. Qe1 Bxe2 25. dxe5 Bg4 26. Rxh4 Nxe5 27. Qg3 Qxf6 28. Rxg4 Nxg4 29. Qxg4 Qf2+ 30. Kh1 Rg8 31. Qh3 Raf8 32. e5 Qxb2 33. Rd1 Rf2 34. Be4 Rf7 35. Rf1 Qxc3 36. Bd3 Rxf1+ 37. Qxf1 Qxe5 38. h3 Qd5+ 39. Kh2 Qxa2+ 40. Be2 Qb2 41. Kh1 Qe5 42. Bd3 Qg7 43. Bc4 Rf8 44. Qe2 Qa1+ 45. Kh2 Qd4 46. Kg2 Rg8+ 47. Kf3 Qf6+ 48. Ke4 Rg3 0-1

[Event "San Sebastian de los Reyes op 13th"]
[Site "San Sebastian"]
[Date "2011.12.02"]
[Round "1"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Cavalle Pulla, Juan"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1770"]
[PlyCount "95"]
[EventDate "2011.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 145 Extra"]
[Source "ChessBase"]
[SourceDate "2012.01.03"]
[SourceVersion "1"]
[SourceVersionDate "2012.01.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 e6 7. Nf3 c5 8. Be2 cxd4 9. cxd4 Nc6 10. 0-0 Bb4 11. d5 exd5 12. exd5 Ne7 13. Qa4+ Bd7 14. Qxb4 Nxd5 15. Qd4 Nf6 16. Bg5 Qc7 17. Bxf6 Rg8 18. Qe5+ Qxe5 19. Nxe5 Bf5 20. Bc4 Be6 21. Bb5+ Kf8 22. Rfd1 a6 23. Nd7+ Bxd7 24. Bxd7 g5 25. Bf5 Ke8 26. Rd2 Rg6 27. Re1+ Kf8 28. Bxg6 fxg6 29. Rd8+ Rxd8 30. Bxd8 Kf7 31. Bxg5 b5 32. Re7+ Kf8 33. Ra7 b4 34. Rxa6 Kf7 35. Ra7+ Ke6 36. Rxh7 Kd5 37. Rg7 Kc4 38. Rxg6 Kc3 39. Bd2+ Kc4 40. Bxb4 Kxb4 41. Rc6 Kb5 42. Rc1 Kb4 43. h4 Kb5 44. h5 Kb4 45. h6 Kb5 46. h7 Kb4 47. h8Q Kb5 48. Qb2+ 1-0

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.16"]
[Round "9"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Hernandez Gutierrez, Jose"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1682"]
[BlackElo "1890"]
[PlyCount "65"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Nh5 10. Bg3 Nxg3 11. hxg3 h6 12. Bb5 Bd6 13. Ne5 Bxe5 14. dxe5 a6 15. Qa4 Bf5 16. g4 Bh7 17. g5 hxg5 18. Bd3 f5 19. exf6 gxf6 20. Qg4 Ne5 21. Qh5+ Kd8 22. Bxh7 Kc7 23. 0-0-0 Nd3+ 24. Kc2 Nxf2 25. Qg6 Raf8 26. Rde1 Nxh1 27. Rxh1 Rf7 28. Bg8 Rg7 29. Qxf6 Rxh1 30. Bxe6 Qe7 31. Qe5+ Kb6 32. Qd4+ Kc7 33. Qe5+ 1/2-1/2

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.15"]
[Round "8"]
[White "Camarero Izquierdo, Juan Carlos"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "1933"]
[BlackElo "1682"]
[PlyCount "67"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd2 h6 5. Bh4 e6 6. 0-0-0 Be7 7. f4 c5 8. e3 Qa5 9. Bxf6 Nxf6 10. Kb1 cxd4 11. exd4 Bb4 12. Bb5+ Bd7 13. Bxd7+ Kxd7 14. Nge2 Ne4 15. Qe3 Nxc3+ 16. Nxc3 Bxc3 17. bxc3 Rhc8 18. Rd3 Rc6 19. Kc1 Qxa2 20. Kd2 Qa3 21. f5 Qe7 22. h4 Re8 23. Qf3 Qf6 24. g4 Rd6 25. c4 Qd8 26. Ra1 Qb6 27. c5 Qb4+ 28. Kc1 Ra6 29. Rxa6 bxa6 30. fxe6+ fxe6 31. Qf7+ Re7 32. Qf4 e5 33. Qf5+ Kc6 34. Qc8+ 1-0

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.13"]
[Round "6"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Garcia Serrano, Jose Manuel1111"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1682"]
[BlackElo "1898"]
[PlyCount "80"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Qc2 Be7 6. Bg2 0-0 7. 0-0 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Nbd2 Rc8 11. e4 dxe4 12. Nxe4 Qc7 13. Bc1 c5 14. Nxf6+ Bxf6 15. Bf4 Qd8 16. Rad1 Bxf3 17. Bxf3 cxd4 18. Bb7 e5 19. Bxc8 Qxc8 20. Bc1 b5 21. Ba3 Re8 22. Rc1 Qa6 23. Qb2 e4 24. cxb5 Qxb5 25. Qb1 Qd5 26. Rfe1 d3 27. Rcd1 Ne5 28. Re3 Rd8 29. Bb2 Bg5 30. f4 Ng4 31. Qc1 Nxe3 32. Qxe3 Be7 33. Kg2 Bc5 34. Qc1 e3+ 35. Kh3 Rd6 36. g4 Qf3+ 37. Kh4 Rh6+ 38. Kg5 Be7+ 39. Kf5 Qd5+ 40. Be5 g6# 0-1

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.12"]
[Round "5"]
[White "Farre Selma, David"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1841"]
[BlackElo "1682"]
[PlyCount "66"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. b3 d6 4. Bb2 Nf6 5. Nc3 g6 6. Nd5 Bg7 7. Nxf6+ exf6 8. Bb5 Bd7 9. 0-0 0-0 10. d4 f5 11. exf5 Bxf5 12. Rb1 Nb4 13. Bd3 Nxd3 14. cxd3 Qa5 15. dxc5 dxc5 16. Bxg7 Kxg7 17. Qe2 Rfe8 18. Qb2+ Kg8 19. d4 Bxb1 20. Rxb1 cxd4 21. b4 Qa6 22. Qb3 Rad8 23. b5 Qe6 24. Qd3 Qxa2 25. h4 Qe2 26. Qb3 Qe6 27. Qd3 Qf6 28. Ng5 h6 29. Ne4 Qxh4 30. Re1 f5 31. g3 Qe7 32. Qb3+ Kh8 33. Rc1 fxe4 0-1

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.11"]
[Round "4"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Rodriguez Sebastian, Roberto"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1682"]
[PlyCount "116"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 Nbd7 7. Qd2 c6 8. Bd3 e5 9. dxe5 dxe5 10. Rd1 Qc7 11. Ne2 a5 12. a4 Re8 13. Bc4 Nf8 14. Ng3 Be6 15. Qc3 Bxc4 16. Qxc4 Rac8 17. Rd2 Ne6 18. 0-0 Nf4 19. Rfd1 Rcd8 20. Rxd8 Rxd8 21. Rxd8+ Qxd8 22. Nxe5 Qd1+ 23. Kh2 Ne6 24. f4 Qe1 25. Qb3 Qb4 26. Qxb4 axb4 27. Nd3 Bf8 28. f5 gxf5 29. exf5 Nc7 30. Bd2 Ncd5 31. Ne2 Ne4 32. Be1 Bd6+ 33. Kg1 c5 34. g4 Ne3 35. c3 bxc3 36. Nxc3 Nxc3 37. Bxc3 Nd1 38. Kg2 Nxc3 39. bxc3 c4 40. Nc1 Kg7 41. Kf3 Kh6 42. Ke4 Kg5 43. Kd5 Bc7 44. Ne2 h5 45. gxh5 Kxh5 46. Kxc4 Kg5 47. Nd4 Bb6 48. Kd3 Bxd4 49. Kxd4 Kxf5 50. h4 Kg4 51. Ke5 Kxh4 52. Kf6 Kg4 53. Kxf7 Kf4 54. Ke6 Ke4 55. Kd6 Kd3 56. Kc7 Kxc3 57. a5 Kb4 58. Kb6 Ka4 1/2-1/2

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.09"]
[Round "2"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Tirado Parra, Alberto"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1682"]
[BlackElo "1914"]
[PlyCount "47"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 c6 6. b3 Bb4+ 7. Nbd2 dxc4 8. bxc4 Bc3 9. Rb1 Bxd4 10. Nxd4 Qxd4 11. Ba3 Nbd7 12. Qa4 Ng4 13. e3 Nc5 14. Qxc6+ bxc6 15. exd4 Nd3+ 16. Ke2 Kd7 17. f3 Ngf2 18. Rhf1 Ba6 19. Rxf2 Nxf2 20. Kxf2 Rab8 21. Re1 Rhc8 22. f4 c5 23. dxc5 Bb7 24. Nf3 1-0

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.09"]
[Round "3"]
[White "Madurga Lopez, Ignacio"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2057"]
[BlackElo "1682"]
[PlyCount "129"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. Ndb5 a4 10. Bc4 Ne5 11. Be2 d6 12. h3 Be6 13. Na3 Qa5 14. 0-0 Rfc8 15. Bd4 Nc4 16. Nxc4 Bxc4 17. Bxc4 Rxc4 18. Qd3 Rac8 19. Bxf6 Bxf6 20. Nd5 Rxc2 21. Nxf6+ exf6 22. Qxd6 Rxb2 23. Qxf6 Rcc2 24. Rfd1 Rd2 25. Rac1 Rbc2 26. Rxc2 Rxd1+ 27. Kh2 Qd8 28. Qxd8+ Rxd8 29. Rb2 Rb8 30. Rb6 Kf8 31. Kg3 Ke7 32. e5 Kd7 33. Kg4 h6 34. h4 Kc7 35. Rf6 Rf8 36. e6 Kd8 37. exf7 Ke7 38. Rb6 Rb8 39. Rxg6 Kxf7 40. Rxh6 b5 41. Ra6 Rg8+ 42. Kh3 Rg6 43. Ra7+ Ke6 44. Rb7 Rf6 45. f3 Rf5 46. Rb6+ Kd7 47. Kg4 Rc5 48. h5 Rc2 49. g3 Rxa2 50. Rxb5 a3 51. Ra5 Ra1 52. h6 Ke6 53. h7 Rh1 54. Rxa3 Rxh7 55. Ra6+ Ke5 56. f4+ Ke4 57. Re6+ Kd3 58. f5 Rg7+ 59. Kf4 Kd4 60. Rd6+ Kc5 61. Rd8 Kc6 62. g4 Kc7 63. Rd4 Rh7 64. f6 Rh1 65. Kg5 1-0

[Event "Madrid Oliver Gonzalez Memorial 2nd"]
[Site "Madrid"]
[Date "2011.10.08"]
[Round "1"]
[White "Lorite Cruz, Francisco"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2038"]
[BlackElo "1682"]
[PlyCount "89"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 c5 6. 0-0 Nc6 7. a3 d5 8. cxd5 Nxd5 9. Qb3 Nc7 10. d3 Na5 11. Qa4 Ne6 12. Bd2 Bd7 13. Qd1 Rc8 14. Rb1 b6 15. Ne4 Nc6 16. e3 Rc7 17. b4 cxb4 18. axb4 Bc8 19. d4 Bb7 20. Nc3 Nb8 21. Qb3 Bxf3 22. Bxf3 Bxd4 23. Nb5 Bg7 24. Nxc7 Ng5 25. Bg2 Qxc7 26. h4 Ne6 27. Rbc1 Qd7 28. Rfd1 Qb5 29. Bf1 Qh5 30. Bc4 Nd8 31. Bc3 Ndc6 32. Bxg7 Kxg7 33. Qb2+ Qe5 34. Qxe5+ Nxe5 35. Be2 Nec6 36. b5 Nb4 37. Ra1 a5 38. bxa6 N8c6 39. Bf3 Na7 40. Rab1 Nbc6 41. Rxb6 Ne5 42. Be2 e6 43. Rb7 Ra8 44. f4 Nec6 45. Rdd7 1-0

[Event "Tres Cantos op 3rd"]
[Site "Tres Cantos"]
[Date "2011.06.30"]
[Round "9"]
[White "Picon Rodriguez, Jose"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1990"]
[PlyCount "50"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qc7 10. e6 Nf6 11. exf7+ Kxf7 12. Bc4+ d5 13. Bxf6 Bxf6 14. Nxd5 cxd5 15. Bxd5+ Be6 16. Bxa8 Rxa8 17. 0-0 Rb8 18. Re1 Rxb2 19. Qf3 Rxc2 20. g4 Rc3 21. Qg2 Rc4 22. Rxe6 Kxe6 23. Re1+ Kf7 24. Qd5+ Kg7 25. h3 Rc1 0-1

[Event "Tres Cantos op 3rd"]
[Site "Tres Cantos"]
[Date "2011.06.29"]
[Round "8"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Legaspi Rodrigo, Fernando A"]
[Result "1/2-1/2"]
[ECO "C97"]
[BlackElo "1746"]
[PlyCount "84"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 c4 13. Nf1 Nb7 14. Ng3 a5 15. Qe2 Re8 16. d5 Nc5 17. a4 Ba6 18. axb5 Bxb5 19. b3 cxb3 20. Qxb5 bxc2 21. Qe2 Nb3 22. Ra2 Nxc1 23. Rxc1 Nd7 24. Qxc2 Nc5 25. Rca1 g6 26. Nd2 Reb8 27. Rb1 Rxb1+ 28. Qxb1 Rb8 29. Qa1 Bd8 30. Rb2 Rxb2 31. Qxb2 a4 32. c4 Qa7 33. Qa3 Bb6 34. Kh2 Nb7 35. f3 Be3 36. Ngf1 Bf4+ 37. Kh1 Qf2 38. Qxa4 Bxd2 39. Nxd2 Qxd2 40. Qa8+ Kg7 41. Qxb7 Qc1+ 42. Kh2 Qf4+ 1/2-1/2

[Event "Tres Cantos op 3rd"]
[Site "Tres Cantos"]
[Date "2011.06.28"]
[Round "7"]
[White "Ruiz Sanchez, Roberto"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2004"]
[PlyCount "74"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. 0-0 Nxe4 9. Nxe4 d5 10. Nxc6 bxc6 11. Bd3 dxe4 12. Bxe4 Ba6 13. Qxd8 Rfxd8 14. Rfd1 Bxb2 15. Rab1 Bb5 16. g3 Bf6 17. Rxd8+ Rxd8 18. Bxa7 Bd4 19. Bxd4 Rxd4 20. Bf3 Ra4 21. Rb2 Kg7 22. c3 Ra3 23. Be2 Bxe2 24. Rxe2 Kf6 25. Rc2 Ke5 26. Kf1 Kd5 27. Ke2 Kc4 28. Kd2 e5 29. f3 f5 30. h3 g5 31. Ke3 h5 32. g4 hxg4 33. hxg4 fxg4 34. fxg4 Kd5 35. Rd2+ Kc5 36. Ke4 Rxc3 37. Kxe5 Rf3 1/2-1/2

[Event "Tres Cantos op 3rd"]
[Site "Tres Cantos"]
[Date "2011.06.27"]
[Round "6"]
[White "Dierssen Garcia Barredo, Guillermo"]
[Black "Herranz Sanchez, Pablo"]
[Result "1-0"]
[ECO "B25"]
[BlackElo "1699"]
[PlyCount "93"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 g6 5. d3 Bg7 6. g3 Nge7 7. Bg2 d6 8. 0-0 0-0 9. Ne2 Qc7 10. c3 f5 11. Qc2 e5 12. Ng5 h6 13. Qb3+ Kh8 14. Ne6 Bxe6 15. Qxe6 Na5 16. fxe5 dxe5 17. a3 Rf6 18. Qa2 Raf8 19. b4 cxb4 20. axb4 Nac6 21. b5 Qb6+ 22. Kh1 Qxb5 23. Qc2 fxe4 24. Rxf6 Rxf6 25. Bxe4 Qb6 26. Bg2 Nf5 27. Rb1 Qc7 28. Qb3 b6 29. Qa4 Nfe7 30. Ra1 Rf2 31. Ng1 Rf8 32. Ba3 Rc8 33. Ne2 a5 34. Rb1 Rb8 35. c4 Nd4 36. Nc3 Kh7 37. Ne4 Nef5 38. g4 Ne3 39. Bd6 Qc8 40. Bxb8 Qxb8 41. Qd7 Nxg2 42. Kxg2 h5 43. c5 hxg4 44. Rxb6 Qf8 45. Qxg4 a4 46. Qxg6+ Kh8 47. Ng5 1-0

[Event "Tres Cantos op 3rd"]
[Site "Tres Cantos"]
[Date "2011.06.26"]
[Round "5"]
[White "Farinas Lucas, Juan Antonio"]
[Black "Dierssen Garcia Barredo, Guillermo"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1642"]
[PlyCount "66"]
[EventDate "2011.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. d4 d5 4. e5 Nc6 5. Nf3 Bg4 6. Be2 e6 7. Be3 Nge7 8. Nbd2 Nf5 9. h3 Bxf3 10. Nxf3 Be7 11. 0-0 0-0 12. Bd3 Nxe3 13. fxe3 a6 14. Nd2 b5 15. Qg4 Na5 16. Rf3 Nc4 17. Qh5 g6 18. Rg3 Kg7 19. Nb3 Rc8 20. Rf1 Nb2 21. Nc5 Nxd3 22. cxd3 Bxc5 23. dxc5 Rxc5 24. d4 Rc2 25. Rf2 Rxf2 26. Kxf2 Qa5 27. Qe2 Qc7 28. e4 dxe4 29. Qxe4 Rc8 30. Kg1 Qc2 31. Qb7 Rc3 32. Rg4 h5 33. Rf4 Qc1+ 0-1

