[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "6"]
[White "Baskin, Robert"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2390"]
[BlackElo "1809"]
[PlyCount "101"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 Qc7 5. a4 b6 6. Bc4 e5 7. dxe5 dxe5 8. Ng5 Be6 9. Bxe6 fxe6 10. Nxe6 Qc8 11. Nxf8 Rxf8 12. 0-0 Nbd7 13. f4 Qc7 14. fxe5 Qxe5 15. Bf4 Qc5+ 16. Kh1 0-0-0 17. a5 b5 18. b4 Qxb4 19. Rb1 Qxc3 20. Qd6 Ne5 21. Qe6+ Nfd7 22. a6 Rxf4 23. Rxf4 Qxc2 24. Rbf1 Kc7 25. h3 Nd3 26. Rf7 N3c5 27. Qe5+ Kc8 28. Qg5 Nxe4 29. Qxg7 Qd3 30. Rc1 Ng3+ 31. Kh2 Qd6 32. Qxg3 Qxg3+ 33. Kxg3 Kc7 34. Rxh7 Kb6 35. Rh6 Rc8 36. Rd6 Ne5 37. h4 Kxa6 38. h5 Kb6 39. h6 Rg8+ 40. Kf4 Nf7 41. Rcxc6+ Kb7 42. Rg6 Rh8 43. Rcf6 Nd8 44. Rg7+ Kb8 45. h7 b4 46. Ke4 Re8+ 47. Kd3 Ne6 48. Rg8 Nc5+ 49. Kc4 b3 50. Rxe8+ Kc7 51. Re7+ 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "7"]
[White "Costache, Bogdan Alexandru"]
[Black "Gili Cufi, Victor"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1809"]
[BlackElo "1346"]
[PlyCount "57"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qa5 7. Bc4 Nd7 8. 0-0 Nf6 9. Qe2 Bf5 10. d4 e6 11. c3 Be7 12. h3 0-0 13. Bg5 Qb6 14. b4 Qc7 15. Bxf6 Bxf6 16. Bd3 Bxd3 17. Qxd3 a5 18. a3 b6 19. Nd2 c5 20. bxc5 bxc5 21. dxc5 Qxc5 22. Ne4 Qe7 23. Nxf6+ Qxf6 24. c4 Rfc8 25. Rfc1 Rc5 26. Rab1 Rac8 27. Rb7 Rf5 28. f3 Qb2 29. Rxb2 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "3"]
[White "Costache, Bogdan Alexandru"]
[Black "Gutierrez Vargas, Robert"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1809"]
[BlackElo "1870"]
[PlyCount "70"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 Bb6 7. b4 d6 8. a4 a5 9. b5 Ne7 10. h3 Ng6 11. Na3 Be6 12. Qb3 Qd7 13. Nc2 Nh5 14. Be3 Nhf4 15. Bxb6 cxb6 16. Ne3 Bxh3 17. gxh3 Qxh3 18. Nh2 Nh4 19. Qd1 h5 20. d4 Rac8 21. Bd5 Rxc3 22. Qd2 Rd3 23. Qc2 exd4 24. Rfd1 dxe3 25. fxe3 Qxe3+ 26. Kh1 Rxd1+ 27. Rxd1 Nxd5 28. exd5 Re8 29. Rf1 Qe4+ 30. Qxe4 Rxe4 31. Ra1 Rd4 32. Kg1 Rxd5 33. Kf2 Rd2+ 34. Kg3 Nf5+ 35. Kh3 g5 0-1

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "1"]
[White "Costache, Bogdan Alexandru"]
[Black "Khamrakulov, Ibragim S"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1809"]
[BlackElo "2416"]
[PlyCount "46"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nge2 Bg7 6. d3 d6 7. h3 e6 8. f4 Ne7 9. Nxd4 cxd4 10. Ne2 0-0 11. Bb3 d5 12. e5 f6 13. exf6 Bxf6 14. 0-0 Nf5 15. Qe1 Qb6 16. g4 Bh4 17. Qd1 Ne3 18. Bxe3 dxe3 19. d4 Bf2+ 20. Kg2 Qd8 21. c3 Qh4 22. Qd3 Rxf4 23. Rh1 Bg1 0-1

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "9"]
[White "Costache, Bogdan Alexandru"]
[Black "Lu, Weiyang"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1809"]
[PlyCount "45"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 Nge7 7. Nf3 d5 8. e5 Rb8 9. 0-0 0-0 10. h3 b5 11. g4 b4 12. Ne2 a5 13. Qe1 a4 14. Qh4 Qb6 15. Kh1 c4 16. d4 Ba6 17. c3 a3 18. bxa3 bxc3 19. f5 exf5 20. Bh6 Bxh6 21. Qxh6 fxg4 22. Ng5 gxh3 23. Qxh7# 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "11"]
[White "Costache, Bogdan Alexandru"]
[Black "Marinidis, Stavros"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1809"]
[BlackElo "1003"]
[PlyCount "135"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 d6 7. a4 a5 8. h3 h6 9. Na3 Be6 10. Qb3 Bxa3 11. Rxa3 Bxc4 12. Qxc4 Qd7 13. Qb3 b6 14. Qd1 Ne7 15. Nh4 Ng6 16. Nxg6 fxg6 17. Be3 Nh5 18. d4 Qe6 19. dxe5 Qxe5 20. Qd5+ Qxd5 21. exd5 Nf6 22. c4 Ne4 23. Bd4 Rae8 24. Re3 Nd2 25. Rxe8 Rxe8 26. Rc1 Nb3 27. Rd1 Re2 28. Bc3 Nc5 29. Kf1 Rc2 30. Ra1 Nb3 31. Rd1 Nc5 32. Ra1 Nb3 33. Re1 Nc5 34. Re7 Nxa4 35. Rxg7+ Kf8 36. Rxc7 Nxc3 37. bxc3 Rxc3 38. Rc6 a4 39. Rxb6 a3 40. Ra6 Ke7 41. Ke2 Rb3 42. g3 Rc3 43. Kd2 Rb3 44. Kc2 Rb2+ 45. Kc3 Rxf2 46. Rxa3 Rf3+ 47. Kb4 Rf8 48. Ra7+ Kf6 49. Ra6 Ke5 50. Kb5 Rf3 51. Kc6 Rxg3 52. Ra8 Rxh3 53. Re8+ Kf6 54. Kxd6 Kf7 55. Re7+ Kf6 56. c5 Rb3 57. c6 Rb6 58. Re6+ Kf5 59. Kc5 Rb1 60. c7 Rc1+ 61. Kd6 h5 62. Kd7 Rxc7+ 63. Kxc7 h4 64. Re1 h3 65. d6 h2 66. d7 g5 67. d8Q g4 68. Qf8+ 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "5"]
[White "Costache, Bogdan Alexandru"]
[Black "Rychagov, Anton"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1809"]
[BlackElo "1219"]
[PlyCount "31"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. a4 a6 5. Bc4 Nc6 6. d3 Nf6 7. h3 g6 8. f4 Bg7 9. Nf3 e5 10. f5 Rb8 11. 0-0 Nd4 12. Nxd4 cxd4 13. Nd5 Nxd5 14. Bxd5 Bf6 15. fxg6 hxg6 16. Qf3 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "8"]
[White "Fernandez Estremera, Fernando"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2065"]
[BlackElo "1809"]
[PlyCount "131"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. f3 Nbd7 5. Be3 e5 6. Nge2 Be7 7. Qd2 0-0 8. 0-0-0 Qc7 9. g4 b5 10. h4 Nb6 11. Ng3 Nc4 12. Bxc4 bxc4 13. g5 Ne8 14. f4 exf4 15. Bxf4 Rb8 16. Nce2 Qb7 17. c3 Be6 18. d5 cxd5 19. exd5 Bg4 20. h5 f6 21. h6 g6 22. gxf6 Bxf6 23. Ne4 Be5 24. Bxe5 dxe5 25. Rhg1 Bf3 26. Nc5 Qe7 27. Ne6 Rf5 28. Ng3 Rf6 29. Rde1 Rxe6 30. dxe6 Qxe6 31. Qe3 e4 32. Nxe4 Bxe4 33. Qxe4 Qxe4 34. Rxe4 Nd6 35. Rd4 Nf5 36. Rxc4 Nxh6 37. Rc7 Nf5 38. Rxa7 Rf8 39. a4 Rf7 40. Rxf7 Kxf7 41. a5 Nd6 42. a6 Nb5 43. Rg5 Na7 44. Rc5 Kf6 45. Rc7 Nb5 46. Rxh7 g5 47. a7 Nxa7 48. Rxa7 g4 49. Ra8 Kf7 50. Kd2 g3 51. Ke2 g2 52. Kf2 Ke6 53. Kxg2 Kd5 54. Ra4 Kc5 55. Rb4 Kc6 56. Kf2 Kc5 57. Ke3 Kc6 58. Kd4 Kd6 59. Rb5 Kc6 60. Rh5 Kb6 61. b4 Kc6 62. c4 Kb6 63. Rh6+ Kc7 64. Kc5 Kb7 65. b5 Kc7 66. Rh7+ 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "10"]
[White "Kachkachishvili, Lasha"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1796"]
[BlackElo "1809"]
[PlyCount "89"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. d5 Nb4 8. Nfd2 c5 9. Nc3 Na6 10. a3 Nc7 11. Rb1 e6 12. e4 exd5 13. cxd5 b5 14. b4 c4 15. f4 Rb8 16. Bb2 a6 17. h3 Bd7 18. e5 dxe5 19. fxe5 Nfe8 20. d6 Ne6 21. Nd5 Kh8 22. Ne4 Bc6 23. Ne7 Bxe4 24. Bxe4 Ng5 25. Bg2 Ne6 26. Kh2 Qd7 27. Bc6 Qd8 28. Bd5 Qd7 29. Qg4 Rd8 30. Bc6 Qa7 31. Rbe1 Nxd6 32. exd6 Bxb2 33. d7 Qd4 34. Qf3 Qd2+ 35. Re2 Qd6 36. Nc8 Qd4 37. Re4 Qc3 38. Re3 Qd2+ 39. Rf2 Qd4 40. Re4 Qg7 41. Nd6 Nd4 42. Nxf7+ Rxf7 43. Qxf7 Qxf7 44. Rxf7 Nxc6 45. Re8+ 1-0

[Event "Gran Canaria May Blitz"]
[Site "Lichess.org INT"]
[Date "2021.05.16"]
[Round "4"]
[White "Martin Duque, Jesus"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2432"]
[BlackElo "1809"]
[PlyCount "51"]
[EventDate "2021.05.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nf3 d6 2. e4 Nf6 3. Nc3 e5 4. d4 Nbd7 5. Rg1 c6 6. g4 h6 7. g5 hxg5 8. Bxg5 Be7 9. dxe5 dxe5 10. Bc4 Qa5 11. Bd2 Qc7 12. Rxg7 Nb6 13. Bb3 Be6 14. Bxe6 fxe6 15. Qe2 0-0-0 16. 0-0-0 Rdg8 17. Rdg1 Rxg7 18. Rxg7 Rg8 19. Rxg8+ Nxg8 20. h4 Nf6 21. Ng5 Qd7 22. h5 Bf8 23. Qf3 Qe7 24. Qh3 Nbd7 25. Nxe6 Qh7 26. Nxf8 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "10"]
[White "Arabidze, Meri"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2437"]
[BlackElo "1809"]
[PlyCount "147"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. Nc3 e5 8. dxe5 dxe5 9. Bg5 Qxd1 10. Rfxd1 h6 11. Be3 Be6 12. Nd5 Rac8 13. Rac1 Rfd8 14. Ne1 Ng4 15. Bc5 Bxd5 16. cxd5 Nd4 17. Rd2 b6 18. Ba3 Nf6 19. e3 Nb5 20. Bb4 a5 21. Be7 Rd7 22. Bxf6 Bxf6 23. Bh3 Rcd8 24. Bxd7 Rxd7 25. a4 Nd6 26. Rdc2 Bd8 27. f3 e4 28. Kf2 exf3 29. Kxf3 f5 30. Nd3 Ne4 31. Ne5 Rd6 32. Rc6 Rxd5 33. Nxg6 Rd2 34. R6c2 Rd6 35. Nf4 Ng5+ 36. Ke2 Ne4 37. Rd1 Rxd1 38. Kxd1 Kf7 39. Rc6 Nd6 40. Nd5 Ke6 41. Nf4+ Kd7 42. Rc2 Bg5 43. Nd5 Bd8 44. Ke2 Ne4 45. Kf3 Kd6 46. Nc3 Ng5+ 47. Kf4 Ke6 48. Nb5 c5 49. g4 fxg4 50. Kxg4 Ne4 51. Kh5 Bg5 52. Kg6 Kd5 53. Nc3+ Nxc3 54. Rxc3 Kc6 55. Kh5 b5 56. axb5+ Kxb5 57. h4 Bf6 58. Rb3+ Ka4 59. Rb6 Bxb2 60. Rxb2 c4 61. e4 c3 62. Rb1 c2 63. Rc1 Kb3 64. e5 Kb2 65. Rxc2+ Kxc2 66. e6 a4 67. e7 a3 68. e8Q a2 69. Qc6+ Kb2 70. Qb5+ Kc2 71. Qa4+ Kb2 72. Kxh6 a1Q 73. Qxa1+ Kxa1 74. h5 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "8"]
[White "Calleja Gonzalez, Unai"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1858"]
[BlackElo "1809"]
[PlyCount "132"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 d6 2. b3 Nf6 3. Bb2 g6 4. e3 Bg7 5. Be2 0-0 6. 0-0 e5 7. c4 Nc6 8. d4 a6 9. dxe5 Ng4 10. Nbd2 Ngxe5 11. Qc2 Bf5 12. e4 Be6 13. Nd4 Nxd4 14. Bxd4 c5 15. Bxe5 Bxe5 16. Rad1 Qe7 17. Nf3 Bg7 18. Rfe1 Rad8 19. Bf1 Bg4 20. Be2 Qf6 21. h3 Be6 22. Bf1 Bxh3 23. e5 dxe5 24. Nxe5 Rxd1 25. Qxd1 Bf5 26. Qd5 b6 27. Qb7 a5 28. Nf3 Qd6 29. Re7 Bf6 30. Rc7 Bg4 31. Be2 Bc8 32. Qc6 Qxc6 33. Rxc6 Be6 34. Rxb6 Rc8 35. Ra6 Bc3 36. Ng5 Bf5 37. Ra7 Rf8 38. Bf3 h6 39. Nxf7 Bg7 40. Bd5 Kh7 41. Nd6 Bd3 42. Rd7 h5 43. Be4 Bxe4 44. Nxe4 Rf5 45. f3 Kh6 46. Rd5 Bd4+ 47. Kf1 Rf7 48. Ke2 Re7 49. Kd3 Rc7 50. Rd6 a4 51. b4 Bg1 52. b5 Bd4 53. b6 Rb7 54. Rc6 Kg7 55. Nd6 Rb8 56. b7 Be5 57. Rc7+ Kf6 58. Ne4+ Kf5 59. Rf7+ Ke6 60. Nxc5+ Kxf7 61. Ke4 Bd6 62. Kd5 Bxc5 63. Kxc5 Rxb7 64. Kc6 Rb2 65. c5 Rxa2 66. Kb5 Rc2 0-1

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "9"]
[White "Costache, Bogdan Alexandru"]
[Black "Kalvaitis, Sigitas"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "1809"]
[BlackElo "2184"]
[PlyCount "85"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 e5 5. exd5 Qxd5 6. dxe5 Nxe5 7. Ngf3 Nd3+ 8. Bxd3 Qxd3 9. Qe2+ Qxe2+ 10. Kxe2 Bf5 11. Re1 0-0-0 12. Kf1 f6 13. Nb3 Bd6 14. Nbd4 Bd3+ 15. Kg1 Nh6 16. h3 Nf5 17. Nxf5 Bxf5 18. Nd4 Bd7 19. Be3 Rhe8 20. f3 a6 21. Bf2 g6 22. Kf1 Bh2 23. Rxe8 Rxe8 24. Re1 Rxe1+ 25. Kxe1 Bd6 26. Kd2 c5 27. Nb3 b6 28. Ke2 Bb5+ 29. Ke1 Kd7 30. Nd2 f5 31. Nf1 Bc4 32. b3 Bd3 33. Ne3 Bb1 34. a3 Kc6 35. Kd2 Ba2 36. Kc2 b5 37. Kb2 f4 38. Nc2 Bxb3 39. Kxb3 c4+ 40. Kb2 a5 41. Nd4+ Kd5 42. Nxb5 g5 43. Nxd6 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "5"]
[White "Costache, Bogdan Alexandru"]
[Black "Pertuz Mercado, Manuel Jose"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1809"]
[BlackElo "1843"]
[PlyCount "86"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 4. Nxd4 exd4 5. d3 c6 6. a4 d5 7. exd5 cxd5 8. Bb3 Be6 9. 0-0 Bd6 10. f4 Nf6 11. f5 Bd7 12. Re1+ Be7 13. Qf3 Bc6 14. Qe2 Qd7 15. Bg5 Kf8 16. Nd2 Re8 17. h3 Qxf5 18. Bxf6 Bxf6 19. Qf3 Rxe1+ 20. Rxe1 Qxf3 21. Nxf3 g6 22. Ne5 Kg7 23. Ng4 Bh4 24. Re5 Bg3 25. Re7 Re8 26. Rxe8 Bxe8 27. Bxd5 Bxa4 28. b3 Bc6 29. Bxc6 bxc6 30. Kf1 f5 31. Nf2 Bxf2 32. Kxf2 Kf6 33. Kf3 Ke5 34. g4 g5 35. gxf5 Kxf5 36. b4 h5 37. Kg3 h4+ 38. Kf3 a6 39. Kg2 Kf4 40. Kf2 g4 41. Kg2 g3 42. Kg1 Kf3 43. Kf1 Ke3 0-1

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "1"]
[White "Costache, Bogdan Alexandru"]
[Black "Ponkratov, Pavel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1809"]
[BlackElo "2619"]
[PlyCount "108"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. 0-0 g5 7. b4 Bg7 8. a4 0-0 9. h3 d5 10. exd5 Nxd5 11. Qb3 Nf4 12. Bxf4 gxf4 13. a5 Bf5 14. Rd1 Qd7 15. Nbd2 Ne7 16. Ne4 Ng6 17. Rd2 Rad8 18. Rad1 b6 19. axb6 axb6 20. b5 Kh8 21. Re2 Rde8 22. Rde1 Re7 23. Qc2 Rg8 24. Kh2 Qd8 25. Qd2 Rd7 26. Qb2 Nh4 27. Nxh4 Qxh4 28. f3 Rgd8 29. Qc1 Bg6 30. Rg1 f5 31. Nd2 Qg3+ 32. Kh1 Qg5 33. Qe1 Qf6 34. Qf2 Bf7 35. Rd1 Bh5 36. Nb3 e4 37. fxe4 Bxe2 38. Qxe2 Qxc3 39. exf5 Qe5 40. Qg4 Rd6 41. Nc1 Rf8 42. Ne2 Qxf5 43. Qf3 Qe5 44. Ng1 Qe3 45. Qf1 Rg6 46. Nf3 Qc5 47. Re1 Qh5 48. Re7 Rg3 49. Qe2 Qg6 50. Re6 Qf5 51. Re7 Qf6 52. Re8 Rg6 53. Rxf8+ Qxf8 54. Qe6 Rxe6 0-1

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "11"]
[White "Costache, Bogdan Alexandru"]
[Black "Pulido Alvarez, Ariel"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1809"]
[BlackElo "2266"]
[PlyCount "61"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d3 g6 6. f4 Bg7 7. h3 Nf6 8. Nf3 0-0 9. 0-0 Rb8 10. Qe1 Ba6 11. b3 Nxe4 12. dxe4 Bxf1 13. Kxf1 d5 14. e5 Qa5 15. Bd2 Qa6+ 16. Kg1 c4 17. Rd1 Rfd8 18. Qh4 cxb3 19. axb3 Rb7 20. f5 d4 21. Ne4 c5 22. Nxc5 Qc6 23. Nxb7 Qxb7 24. Bh6 Bh8 25. Bg5 Qc7 26. Bxe7 Qxc2 27. Bxd8 Qxd1+ 28. Kh2 h6 29. fxg6 fxg6 30. Qxh6 Qd3 31. Bf6 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "7"]
[White "Costache, Bogdan Alexandru"]
[Black "Santaclara Rodriguez, Ramon"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1809"]
[BlackElo "2037"]
[PlyCount "59"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. f4 Nf6 7. h3 0-0 8. Nf3 b5 9. 0-0 Qc7 10. Be3 c4 11. e5 Nd5 12. Nxd5 cxd5 13. d4 Bf5 14. c3 a5 15. Nh4 Bd3 16. Rf2 e6 17. g4 b4 18. f5 exf5 19. gxf5 gxf5 20. Nxf5 Be4 21. Qg4 f6 22. e6 Bxf5 23. Rxf5 Rae8 24. Rf2 Qd6 25. Bh6 Re7 26. Rg2 Qxe6 27. Qxe6+ Rxe6 28. Bxg7 Rfe8 29. Bxf6+ Kf8 30. Be5 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "3"]
[White "Costache, Bogdan Alexandru"]
[Black "Villanueva Carretero, Luis"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1809"]
[PlyCount "73"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a6 7. Na3 0-0 8. 0-0 Na5 9. Ba2 Ba7 10. b4 Nc6 11. h3 Ne7 12. Nc2 c5 13. b5 a5 14. Ne3 b6 15. Nh2 Bb7 16. Nhg4 Rc8 17. Nxf6+ gxf6 18. Qg4+ Ng6 19. Nd5 Bxd5 20. Bxd5 Qe8 21. Bh6 Qe7 22. Bxf8 Qxf8 23. f4 Kh8 24. f5 Nf4 25. Bc4 Qg7 26. Qxg7+ Kxg7 27. Rf3 Rg8 28. Rg3+ Kh8 29. Rxg8+ Kxg8 30. Rd1 Bb8 31. d4 exd4 32. cxd4 Bc7 33. dxc5 dxc5 34. Rd7 Bb8 35. Rd8+ Kg7 36. Rxb8 Ne2+ 37. Bxe2 1-0

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "6"]
[White "Janampa Javier, Brandon Daniel"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1146"]
[BlackElo "1809"]
[PlyCount "81"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 Qb6 6. Bc1 Qa5 7. Bd2 Qb6 8. Bc1 Nbd7 9. Nf3 e5 10. fxe5 dxe5 11. dxe5 Ng4 12. Qe2 Ngxe5 13. Nxe5 Nxe5 14. Qe3 Bc5 15. Qe2 0-0 16. Bd2 Bg4 17. Na4 Qc7 18. Nxc5 Bxe2 19. Bxe2 Qe7 20. Nd3 Nxd3+ 21. cxd3 Qh4+ 22. g3 Qe7 23. 0-0 Rad8 24. Rac1 Qe6 25. b3 Qg6 26. Bc3 f5 27. e5 f4 28. Kg2 fxg3 29. hxg3 Rxf1 30. Rxf1 h5 31. Rh1 Rxd3 32. Bxd3 Qxd3 33. Rc1 Qe2+ 34. Kh3 Qg4+ 35. Kh2 h4 36. gxh4 Qf4+ 37. Kh3 Qxc1 38. Bd4 Qf1+ 39. Kg4 Qd1+ 40. Kf5 Qxd4 41. Ke6 0-1

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "4"]
[White "Martin Ramos, Daniel"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1490"]
[BlackElo "1809"]
[PlyCount "123"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 Qb6 6. Be3 Qa5 7. Bd2 Qb6 8. Be3 Qc7 9. Nf3 Nbd7 10. Bd3 e5 11. fxe5 dxe5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. 0-0 Bc5 15. Qd2 0-0 16. Kh1 Bxe3 17. Qxe3 Be6 18. a4 Nd5 19. Nxd5 cxd5 20. Qc5 b6 21. Qb5 Qd6 22. exd5 Qxd5 23. Qxd5 Bxd5 24. Rf5 Be6 25. Rh5 g6 26. Rh4 Rad8 27. a5 Rd6 28. Kg1 Rfd8 29. axb6 axb6 30. Kf2 Kg7 31. Ke2 b5 32. Ra5 Bc4 33. Rh3 Bxd3+ 34. Rxd3 Rxd3 35. cxd3 Rd5 36. Ke3 f5 37. Ra6 g5 38. Kd2 h5 39. g3 Re5 40. Rb6 f4 41. gxf4 gxf4 42. d4 Rd5 43. Ke2 Rxd4 44. Rxb5 Kg6 45. Kf3 Rc4 46. b4 Rc2 47. Rc5 Rxh2 48. Kxf4 Rb2 49. b5 Rb4+ 50. Kg3 Kh6 51. Rc6+ Kg5 52. Rc5+ Kg6 53. Rc6+ Kf5 54. Rc5+ Kg6 55. Rc6+ Kf7 56. b6 Ke7 57. Rh6 h4+ 58. Kh3 Kd7 59. b7 Rxb7 60. Rh7+ Kc6 61. Rxb7 Kxb7 62. Kxh4 1/2-1/2

[Event "Gran Canaria Online Blitz"]
[Site "Lichess.org INT"]
[Date "2021.02.16"]
[Round "2"]
[White "Navarro Ruiz, Christian Joel C"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "1809"]
[PlyCount "87"]
[EventDate "2021.02.16"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Nc6 7. h3 Nd7 8. Na3 e5 9. Bh2 f5 10. c3 h6 11. dxe5 dxe5 12. Bb5 g5 13. Bxc6 bxc6 14. Nc4 Qe7 15. Na5 Qc5 16. Qa4 Qb5 17. Qxb5 cxb5 18. Nc6 Bb7 19. Ncxe5 Nxe5 20. Nxe5 Rad8 21. Rad1 c5 22. Nd7 Rf7 23. Nxc5 Rxd1 24. Rxd1 Bc6 25. Rd6 Be8 26. Rd8 Re7 27. Bd6 Kf7 28. Bxe7 Kxe7 29. Ra8 b4 30. Rxa7+ Kf6 31. Rxg7 Kxg7 32. cxb4 Kf6 33. f4 Ke7 34. Kf2 Kd6 35. Ke2 Bc6 36. g3 Bd5 37. a4 Kc6 38. Kd3 Bg2 39. h4 gxf4 40. exf4 Bf1+ 41. Kd4 Be2 42. Ke5 Bg4 43. Ne6 Kb6 44. Nd4 1-0

[Event "Liga Insular Gran Canaria 1a Descenso"]
[Site "Las Palmas"]
[Date "2019.06.01"]
[Round "2.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Mengibar Martinez, Manuel"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1833"]
[BlackElo "1614"]
[PlyCount "118"]
[EventDate "2019.05.25"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror II"]
[BlackTeam "Panaderia Pulido San Mateo II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nd7 5. Qe2 e6 6. d4 Ngf6 7. Bg5 Be7 8. Bxf6 Nxf6 9. 0-0-0 Nxe4 10. Qxe4 Qd5 11. Qxd5 exd5 12. Re1 Be6 13. h4 h6 14. Bd3 Bd6 15. Bf5 Kd7 16. Bxe6+ fxe6 17. Ne5+ Bxe5 18. dxe5 Rhf8 19. Re2 Rf4 20. g3 Rf3 21. Kd2 Raf8 22. Ke1 R8f5 23. Rg1 c5 24. Kf1 Kc6 25. Kg2 b5 26. Rd1 a5 27. Rd3 Rxd3 28. cxd3 d4 29. f4 g5 30. hxg5 hxg5 31. Kf3 Kd5 32. b3 Rf8 33. Rh2 c4 34. bxc4+ bxc4 35. dxc4+ Kxc4 36. Ke4 gxf4 37. gxf4 d3 38. Rh7 Rd8 39. Rc7+ Kb4 40. Rc1 d2 41. Rd1 Kc3 42. Ke3 Kc2 43. Ke2 Rd4 44. Ke3 Kxd1 45. Kxd4 Ke2 46. f5 exf5 47. e6 d1Q+ 48. Ke5 Qd8 49. Kxf5 Qe7 50. a4 Kd3 51. Ke5 Kc4 52. Kf5 Kb4 53. Ke5 Kxa4 54. Kf5 Kb5 55. Ke5 Kc5 56. Kf5 Kd5 57. Kf4 Qxe6 58. Kf3 Qe4+ 59. Kf2 Qd3 0-1

[Event "Liga Insular Gran Canaria 1a Descenso"]
[Site "Las Palmas"]
[Date "2019.05.25"]
[Round "1.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Monzon Aleman, Ayoze"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1833"]
[BlackElo "1684"]
[PlyCount "87"]
[EventDate "2019.05.25"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror II"]
[BlackTeam "Grandama II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bc4 0-0 8. 0-0 Re8 9. c3 Bf5 10. Be3 Nd7 11. Qb3 Re7 12. Qxb7 Nb6 13. Qa6 Bc8 14. Bxf7+ Kxf7 15. Qd3 Kg8 16. c4 a5 17. d5 Kh8 18. c5 Ba6 19. Qc2 Nxd5 20. cxd6 Rxe3 21. fxe3 Nxe3 22. Qxc6 Nxf1 23. Rxf1 Bxf1 24. Kxf1 Rc8 25. Qd5 a4 26. Nd4 Qd7 27. Ne6 h6 28. Nd4 Qg4 29. Nc6 Qf4+ 30. Ke2 Qg4+ 31. Ke3 Qd7 32. Ne7 Rd8 33. Nf5 Re8+ 34. Ne7 Rxe7+ 35. dxe7 Qxe7+ 36. Kf3 Qe8 37. b4 Qc8 38. Qc5 Qd8 39. Ke2 Qe8+ 40. Kd2 Qd7+ 41. Kc3 Qe6 42. Qc4 Qe5+ 43. Qd4 Qe2 44. Qd8+ 1-0

[Event "Liga Insular Gran Canaria 1a"]
[Site "Las Palmas"]
[Date "2019.05.18"]
[Round "7.1"]
[White "Costache, Bogdan Alexandru"]
[Black "Perez Rosales, Pedro"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1833"]
[BlackElo "2058"]
[PlyCount "126"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror II"]
[BlackTeam "Fundacion La Caja de Canarias II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 c5 5. d5 Nf6 6. h3 Na6 7. Nf3 Nc7 8. Bd3 a6 9. a4 b6 10. 0-0 0-0 11. Bf4 Nd7 12. Qd2 Ne5 13. Nxe5 dxe5 14. Bh6 Ne8 15. Bxg7 Kxg7 16. g4 h5 17. f3 Rh8 18. Kg2 Nd6 19. g5 h4 20. f4 f6 21. f5 Rh5 22. gxf6+ exf6 23. Rf3 gxf5 24. exf5 Qh8 25. Qf2 a5 26. Rg1 Bd7 27. Kh2+ Kf7 28. b3 Rg8 29. Rg4 Rhg5 30. Qg2 Qh5 31. Rxg5 Rxg5 32. Qf2 Bxf5 33. Be2 Qg6 34. Nb5 Nxb5 35. axb5 Be4 36. d6 Bxf3 37. Bxf3 e4 38. Bg4 f5 39. d7 Qd6+ 40. Kh1 Qxd7 41. Qxh4 Qd2 42. Qh7+ Kf6 43. Qh8+ Rg7 44. Qf8+ Rf7 45. Qh8+ Ke7 46. Qe5+ Kd8 47. Qb8+ Kd7 48. Qb7+ Ke6 49. Qc6+ Qd6 50. Qxe4+ Qe5 51. Qc6+ Ke7 52. Bf3 Rg7 53. Qb7+ Kf8 54. Qc8+ Kf7 55. Bh5+ Kf6 56. Qd8+ Qe7 57. Qd1 Rg3 58. Kh2 Qe5 59. Qd8+ Kg7 60. Qd7+ Kh6 61. Qd2+ Kxh5 62. Qd1+ Rg4+ 63. Kh1 Qe4+ 0-1

[Event "Liga Insular Gran Canaria 1a"]
[Site "Las Palmas"]
[Date "2019.04.27"]
[Round "6.1"]
[White "Sanchez Montesdeoca, Isaac"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1720"]
[BlackElo "1833"]
[PlyCount "117"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "El Puertillo"]
[BlackTeam "Villa de Teror II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. b3 Nf6 3. Nc3 e5 4. Bb2 Nc6 5. Bb5 g6 6. Bxc6+ bxc6 7. h3 Bg7 8. Nf3 0-0 9. 0-0 Ne8 10. Qe2 f5 11. Qc4+ Kh8 12. Qxc6 Bd7 13. Qc4 f4 14. d4 g5 15. dxe5 dxe5 16. Rad1 Nd6 17. Qd5 Qe7 18. Qd3 Rf7 19. Nd5 Qd8 20. Nxc7 Qxc7 21. Qxd6 Qxd6 22. Rxd6 Be8 23. Rfd1 h6 24. Rd8 Rxd8 25. Rxd8 Re7 26. Rc8 Kh7 27. Rc5 Bg6 28. Nd2 Rd7 29. Bc3 h5 30. f3 g4 31. Kf2 Bf8 32. Rc8 Bg7 33. Ke2 g3 34. Nc4 Re7 35. Rc5 Bf7 36. Nxe5 Be6 37. Nc6 Rc7 38. Bxg7 Kxg7 39. Nd4 Re7 40. Nxe6+ Rxe6 41. Rxh5 Rc6 42. Kd3 Rd6+ 43. Rd5 Rf6 44. Kd4 Rc6 45. c3 Kg6 46. b4 Ra6 47. Ra5 Rd6+ 48. Ke5 Rd2 49. Kxf4 Rxg2 50. Rg5+ Kf6 51. Ra5 Rg1 52. Ra6+ Ke7 53. Rxa7+ Kf6 54. Ra6+ Ke7 55. Rg6 g2 56. Kg3 Kf7 57. Kf2 Ra1 58. Rxg2 Rxa2+ 59. Kg3 1-0

[Event "Liga Insular Gran Canaria 1a"]
[Site "Las Palmas"]
[Date "2019.04.06"]
[Round "5.3"]
[White "Costache, Bogdan Alexandru"]
[Black "Garcia Almeida, Aitana Maria"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1833"]
[BlackElo "1603"]
[PlyCount "89"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror II"]
[BlackTeam "Grandama II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Nf3 Ngf6 6. h3 0-0 7. Be3 e5 8. d5 Nc5 9. Nd2 a5 10. Be2 Ne8 11. g4 f5 12. gxf5 gxf5 13. exf5 Bxf5 14. Rg1 Nd3+ 15. Bxd3 Bxd3 16. Qg4 Bg6 17. Nde4 Nf6 18. Nxf6+ Qxf6 19. 0-0-0 Qf5 20. Qxf5 Rxf5 21. Ne4 Rh5 22. Ng5 Bh6 23. Rg3 Bxg5 24. Bxg5 Rf8 25. f3 Rf7 26. Rdg1 b6 27. h4 Kf8 28. b3 Ke8 29. Kd2 Kd7 30. Ke2 Bf5 31. Rh1 e4 32. fxe4 Bxe4 33. Rh2 h6 34. Be3 Bb1 35. a3 Re5 36. Kd2 h5 37. Rg5 Rxg5 38. hxg5 Bg6 39. b4 axb4 40. axb4 Rf5 41. Rf2 Rxf2+ 42. Bxf2 Bf7 43. Kd3 b5 44. cxb5 Bxd5 45. g6 1/2-1/2

[Event "Liga Insular Gran Canaria 1a"]
[Site "Las Palmas"]
[Date "2019.03.23"]
[Round "4.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Rivero Castellano, Carlos Jesus"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1833"]
[BlackElo "1607"]
[PlyCount "115"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror II"]
[BlackTeam "Panaderia Pulido San Mateo II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. b4 Bf6 9. Qb3 Be6 10. Nbd2 a5 11. b5 a4 12. Qc2 Nce7 13. Ne4 b6 14. Nxf6+ gxf6 15. d4 Ng6 16. Re1 Qd6 17. Bh6 Rfd8 18. Rad1 e4 19. Nd2 f5 20. Bg5 Re8 21. f3 exf3 22. Nxf3 Ra5 23. h4 Rb8 24. h5 Ngf4 25. Nh4 Qd7 26. Bxf4 Nxf4 27. Rxe6 Nxe6 28. Qxf5 c6 29. Re1 Re8 30. h6 cxb5 31. Qg4+ Kf8 32. Bxe6 Rxe6 33. Qg7+ Ke7 34. Nf5+ Kd8 35. Qg8+ Kc7 36. Qg3+ Kb7 37. Qf3+ Ka7 38. Rb1 Rg6 39. d5 Rf6 40. g4 Qc7 41. Qe3 Qc5 42. Nd4 Rg6 43. Qf3 Rxh6 44. Qxf7+ Ka6 45. Qg8 Kb7 46. Qg7+ Qc7 47. Qxh6 Qg3+ 48. Kh1 Qxg4 49. Qxh7+ Ka6 50. Rf1 b4 51. Qd3+ Kb7 52. Rf7+ Kc8 53. Rf8+ Kd7 54. Qh7+ Kd6 55. Rd8+ Ke5 56. Qe7+ Kf4 57. Rf8+ Kg3 58. Qe3+ 1-0

[Event "Liga Insular Gran Canaria Preferente"]
[Site "Las Palmas"]
[Date "2019.03.16"]
[Round "3.3"]
[White "Costache, Bogdan Alexandru"]
[Black "Perez Bolanos, Joel"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "1833"]
[BlackElo "1842"]
[PlyCount "54"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Villa de Teror"]
[BlackTeam "Sociedad La Montana"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6 4. Qh5+ g6 5. Nxg6 Nf6 6. Qh4 Rg8 7. Nxf8 Rg4 8. Qh6 Rxe4+ 9. Kd1 Ng4 10. Qh5+ Kxf8 11. Qxf5+ Kg7 12. d3 d5 13. Qg5+ Qxg5 14. Bxg5 Nxf2+ 15. Kd2 Rg4 16. Rg1 Rxg5 17. Nc3 d4 18. Ne4 Nxe4+ 19. dxe4 Ne5 20. Be2 Bg4 21. Raf1 Bxe2 22. Kxe2 Rg4 23. Rf5 Rxe4+ 24. Kd2 Rf8 25. Rg5+ Kh6 26. Rg3 Rf2+ 27. Kd1 Ree2 0-1

[Event "Liga Insular Gran Canaria Preferente"]
[Site "Las Palmas"]
[Date "2019.03.09"]
[Round "2.3"]
[White "Trana, Arne Oddvar"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1716"]
[BlackElo "1833"]
[PlyCount "80"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Mogan"]
[BlackTeam "Villa de Teror"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. g3 Bg7 5. Bg2 0-0 6. 0-0 Nc6 7. Nc3 e5 8. h3 h6 9. d5 Ne7 10. e4 Ne8 11. Qc2 f5 12. b4 f4 13. c5 g5 14. cxd6 cxd6 15. g4 a6 16. b5 Ng6 17. Bd2 Rf7 18. Rab1 Bf8 19. b6 Rh7 20. Nh2 Nh4 21. f3 Nxg2 22. Kxg2 h5 23. Rh1 Nf6 24. Ne2 hxg4 25. hxg4 Qe8 26. Nf1 Rxh1 27. Kxh1 Qg6 28. Kg2 Nxg4 29. fxg4 Bxg4 30. Ng1 Rc8 31. Qd3 Qh5 32. Rc1 Rxc1 33. Bxc1 Be7 34. Nh2 Bd7 35. Ba3 g4 36. Qe2 f3+ 37. Nhxf3 gxf3+ 38. Qxf3 Bg4 39. Qc3 Qg6 40. Qe3 Bf5+ 0-1

[Event "Liga Insular Gran Canaria 1a"]
[Site "Las Palmas"]
[Date "2019.03.02"]
[Round "1.2"]
[White "Ramirez Maillo, Juan Adonay"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1903"]
[BlackElo "1833"]
[PlyCount "53"]
[EventDate "2019.03.02"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Telde Los Llanos"]
[BlackTeam "Villa de Teror II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. Bd3 Nbd7 7. g4 Bg6 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 cxd5 11. Bxg6 hxg6 12. Qxd5 Qb6 13. Be3 Qxb2 14. Rd1 Qb4+ 15. Kf1 Rd8 16. e6 fxe6 17. Qxe6 Nf6 18. Kg2 Rxd1 19. Rxd1 Qe4 20. Qc8+ Kf7 21. Rd4 Qc6 22. Qxc6 bxc6 23. Ne5+ Ke8 24. Nxc6 a6 25. Rd8+ Kf7 26. Ne5+ Ke6 27. Nxg6 1-0

[Event "Canarias-chT"]
[Site "Vecindario"]
[Date "2018.06.01"]
[Round "2.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Sanchez Quintero, Raul"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1823"]
[BlackElo "2007"]
[PlyCount "150"]
[EventDate "2018.05.31"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "La Caja de Canarias"]
[BlackTeam "Sociedad La Montana"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 e6 2. d4 b6 3. c4 Bb4+ 4. Nc3 c5 5. d5 Bxc3+ 6. bxc3 e5 7. Nf3 d6 8. h3 Ne7 9. Bd3 0-0 10. Bg5 f6 11. Be3 Ng6 12. Qd2 Qe8 13. g4 Qa4 14. Qc2 Qxc2 15. Bxc2 Ba6 16. Bd3 Nd7 17. h4 Rfe8 18. h5 Nf4 19. Bf1 Nf8 20. Nh4 Bc8 21. Nf5 Bxf5 22. gxf5 h6 23. Rh4 Nh7 24. Bxf4 exf4 25. Rxf4 Ng5 26. Bg2 Nf7 27. Bf1 Re7 28. Kd2 Rae8 29. Re1 Ne5 30. Be2 Rb8 31. a4 a6 32. Rh4 b5 33. axb5 axb5 34. cxb5 Rxb5 35. f4 Rb2+ 36. Ke3 Nd7 37. Bd3 Nb6 38. c4 Ra7 39. Rhh1 Ra3 40. Rc1 Rbb3 41. Rhd1 Na4 42. Ra1 Rxd3+ 43. Rxd3 Rxa1 44. e5 Nb2 45. Rb3 Ra3 46. Rxa3 Nxc4+ 47. Kd3 Nxa3 48. exd6 Kf7 49. Kc3 Nb5+ 50. Kc4 Nxd6+ 51. Kxc5 Ke7 52. Kc6 Nxf5 53. Kc7 Nd6 54. Kc6 f5 55. Kc7 Nf7 56. Kc6 Kf6 57. d6 Ke6 58. d7 Ke7 59. Kc7 Nd8 60. Kb6 Kxd7 61. Kc5 Ne6+ 62. Kd5 Nxf4+ 63. Ke5 Nxh5 64. Kxf5 Nf6 65. Kg6 h5 66. Kg5 Ke6 67. Kh4 Kf5 68. Kg3 g5 69. Kh3 Kf4 70. Kh2 Kf3 71. Kh3 g4+ 72. Kh2 g3+ 73. Kh1 g2+ 74. Kg1 Ne4 75. Kh2 Kf2 0-1

[Event "Canarias-chT"]
[Site "Vecindario"]
[Date "2018.06.01"]
[Round "3.3"]
[White "Diaz Suarez, Hugo"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2061"]
[BlackElo "1823"]
[PlyCount "75"]
[EventDate "2018.05.31"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Aguas de Teror Centro Goya"]
[BlackTeam "La Caja de Canarias"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. b3 Nc6 7. Bb2 e5 8. dxe5 Ng4 9. c4 Ngxe5 10. Nxe5 Nxe5 11. Qc2 Bf5 12. e4 Be6 13. h3 Qf6 14. Nc3 Nc6 15. Rab1 Nd4 16. Qd3 Qe7 17. Nd5 Bxd5 18. cxd5 c5 19. dxc6 Nxc6 20. Ba3 Rfd8 21. f4 Qc7 22. Kh2 Qa5 23. b4 Qb6 24. b5 Ne7 25. Rfd1 Rac8 26. Bb4 Rd7 27. a4 a5 28. bxa6 Qxa6 29. Qxa6 bxa6 30. Rxd6 Rb7 31. e5 Rc2 32. Rd8+ Bf8 33. Bxe7 Rxb1 34. Bxf8 f5 35. e6 h5 36. Bd6+ Kh7 37. e7 Rbb2 38. Rh8+ 1-0

[Event "Canarias-chT"]
[Site "Vecindario"]
[Date "2018.05.31"]
[Round "1.3"]
[White "Costache, Bogdan Alexandru"]
[Black "Martin Casanas, Juan Miguel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1823"]
[BlackElo "1664"]
[PlyCount "105"]
[EventDate "2018.05.31"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "La Caja de Canarias"]
[BlackTeam "Herbania"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 6. a4 d6 7. 0-0 Bg4 8. Na3 d5 9. exd5 Nxd5 10. d4 Bxa3 11. Rxa3 0-0 12. dxe5 Bxf3 13. Qxf3 Nb6 14. Bb3 Qh4 15. Qf4 Qxf4 16. Bxf4 Rae8 17. e6 fxe6 18. Bxc7 Nd5 19. Bd6 Rf6 20. Raa1 g6 21. Rfe1 Kf7 22. Rad1 Rf5 23. g4 Rf6 24. Bxd5 exd5 25. Rxe8 Kxe8 26. Rxd5 Re6 27. Rd3 Kd7 28. Bf4+ Kc8 29. Re3 Rf6 30. Be5 Nxe5 31. Rxe5 Rf4 32. Rxa5 Rxg4+ 33. Kf1 Rh4 34. Kg2 Rg4+ 35. Kf3 h5 36. b4 b6 37. Re5 Rc4 38. Re3 Kc7 39. Ke2 Rh4 40. h3 g5 41. Rg3 Rc4 42. Rxg5 Rxc3 43. Rxh5 Rc4 44. a5 Rxb4 45. Rh7+ Kb8 46. axb6 Rxb6 47. Re7 Rh6 48. Re3 Kc7 49. f4 Kd6 50. Kf2 Kd5 51. Kg3 Rg6+ 52. Kh4 Kd4 53. Re1 1-0

[Event "Gran Canaria Galdos op 3rd"]
[Site "Gran Canaria"]
[Date "2018.04.26"]
[Round "5"]
[White "Costache, Bogdan Alexandru"]
[Black "Alba Santana, Cayetano"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1816"]
[BlackElo "1818"]
[PlyCount "149"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nf3 Qc7 6. d3 Nc6 7. 0-0 a6 8. a4 Nf6 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Bc5 12. Qd3 0-0 13. Bb3 Ng4 14. g3 Ne5 15. Qe2 b6 16. Be3 Bb7 17. Bxc5 Qxc5 18. Kg2 Rac8 19. f3 Nc4 20. Bxc4 Qxc4 21. Qxc4 Rxc4 22. Rad1 d5 23. exd5 exd5 24. Nxd5 Bxd5 25. Rxd5 Rxc2+ 26. Rf2 Rc4 27. b3 Rc3 28. Rb2 g6 29. b4 Rfc8 30. a5 b5 31. Rd6 R8c6 32. Rd4 h5 33. Rbd2 Kg7 34. Rd6 R3c4 35. Rxc6 Rxc6 36. Rd4 Rc2+ 37. Kg1 Rc6 38. h4 Kf6 39. Kf2 Ke5 40. Re4+ Kd5 41. Ke3 Rc3+ 42. Ke2 Rc4 43. Kd3 Rc6 44. Rf4 Ke6 45. Re4+ Kd6 46. Rd4+ Ke6 47. Rd8 Ke7 48. Ra8 Rd6+ 49. Ke3 Ke6 50. Re8+ Kd7 51. Re4 Rc6 52. Kd4 Rd6+ 53. Kc5 Rc6+ 54. Kd5 Rd6+ 55. Ke5 f6+ 56. Kf4 Rc6 57. g4 hxg4 58. fxg4 Rc1 59. h5 Rf1+ 60. Kg3 gxh5 61. gxh5 Rg1+ 62. Kh2 Rg7 63. h6 Rh7 64. Rh4 Ke6 65. Kg3 Kf5 66. Rd4 Ke5 67. Rh4 f5 68. Kf3 Kf6 69. Kf4 Kg6 70. Rh3 Kf6 71. Rc3 Ke6 72. Rc6+ Kd5 73. Rxa6 Kc4 74. Kxf5 Kxb4 75. Kg6 1-0

[Event "Gran Canaria Galdos op 3rd"]
[Site "Gran Canaria"]
[Date "2018.04.25"]
[Round "4"]
[White "Kleine, Peter"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1601"]
[BlackElo "1816"]
[PlyCount "68"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nh3 d6 2. g3 Nf6 3. d4 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 Nc6 7. f3 e5 8. d5 Na5 9. Qa4 c5 10. Bd2 b6 11. Bxa5 bxa5 12. e4 Bd7 13. Qc2 Nh5 14. Nc3 f5 15. Ne2 Bh6 16. Qd3 Rb8 17. b3 a4 18. Nf2 a5 19. Kh1 axb3 20. axb3 a4 21. bxa4 Rb2 22. f4 exf4 23. Nd1 fxe4 24. Bxe4 Rb6 25. Bxg6 hxg6 26. Qxg6+ Bg7 27. Nxf4 Nxf4 28. gxf4 Bf5 29. Qg3 Be4+ 30. Kg1 Kf7 31. Qh3 Bd4+ 32. Ne3 Rg8+ 33. Kf2 Rb2+ 34. Ke1 Qa5+ 0-1

[Event "Gran Canaria Galdos op 3rd"]
[Site "Gran Canaria"]
[Date "2018.04.23"]
[Round "3"]
[White "Costache, Bogdan Alexandru"]
[Black "Menvielle Laccourreye, Augusto"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1816"]
[BlackElo "2122"]
[PlyCount "66"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 d6 7. Nf3 a6 8. 0-0 Nge7 9. a3 0-0 10. Qe1 Qc7 11. g4 Nd4 12. Qf2 Bd7 13. Be3 Nec6 14. Nd1 f5 15. gxf5 gxf5 16. c3 Nb3 17. Rb1 fxe4 18. dxe4 Nca5 19. Qc2 Bb5 20. Rf2 Rae8 21. Bf1 Bxf1 22. Kxf1 c4 23. e5 dxe5 24. Ng5 Bh6 25. Rg2 Kh8 26. Nf2 exf4 27. Bb6 Qe7 28. h4 f3 29. Rg3 Bxg5 30. Rxg5 Nc6 31. Ne4 Rf4 32. Kf2 Rxh4 33. Kg3 Rxe4 0-1

[Event "Gran Canaria Galdos op 3rd"]
[Site "Gran Canaria"]
[Date "2018.04.20"]
[Round "2"]
[White "Parsons, Alan"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E92"]
[BlackElo "1816"]
[PlyCount "68"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 e5 8. d5 a5 9. Nf3 Nbd7 10. h3 Nc5 11. Nd2 Ne8 12. 0-0 f5 13. f4 exf4 14. Bxc5 dxc5 15. exf5 Bxf5 16. Rxf4 Qg5 17. Rf3 Nd6 18. Nf1 Ne4 19. Qc1 Bd4+ 20. Kh2 Qe7 21. Qxh6 Bg7 22. Qe3 Be5+ 23. g3 Qh4 24. Rxf5 gxf5 25. Nxe4 Qxe4 26. Qf3 Qxf3 27. Bxf3 Rae8 28. Rb1 Bd4 29. Kg2 Re5 30. b3 Rfe8 31. g4 fxg4 32. Bxg4 Re1 33. Be6+ R8xe6 34. dxe6 Rxb1 0-1

[Event "Gran Canaria Galdos op 3rd"]
[Site "Gran Canaria"]
[Date "2018.04.18"]
[Round "1"]
[White "Costache, Bogdan Alexandru"]
[Black "Jablanovic, Milos"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1816"]
[BlackElo "1347"]
[PlyCount "107"]
[EventDate "2018.04.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bh5 5. d4 Nf6 6. e5 Ne4 7. Bd3 Nxc3 8. bxc3 Nd7 9. c4 e6 10. cxd5 Qa5+ 11. Bd2 Qxd5 12. c3 c5 13. Be3 Be7 14. 0-0 f5 15. exf6 Nxf6 16. Qa4+ Nd7 17. Ne5 Rd8 18. Bc4 Qd6 19. Nxd7 Rxd7 20. dxc5 Qc7 21. Bxe6 a6 22. Bxd7+ Qxd7 23. Qxd7+ Kxd7 24. Rab1 Kc8 25. Rfe1 Bg6 26. Rb4 Be8 27. Bd4 Bd8 28. Bxg7 Rg8 29. Be5 Bc6 30. Rg4 Re8 31. Rg3 Bf6 32. Rge3 Bh8 33. Bxh8 Rxh8 34. g4 Rg8 35. f4 a5 36. f5 h5 37. Rg3 hxg4 38. hxg4 Rh8 39. f6 Bd5 40. Re7 Rh1+ 41. Kf2 Rh2+ 42. Ke3 Bc4 43. Kf4 Rxa2 44. f7 Bxf7 45. Rxf7 Rf2+ 46. Rf3 Rc2 47. Kg5 a4 48. Rh3 Kb8 49. Rf8+ Ka7 50. Rhh8 Ka6 51. Ra8+ Kb5 52. Rh7 Kxc5 53. Rxb7 Kc6 54. Rb4 1-0

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.04.10"]
[Round "7"]
[White "Guerra Aleman, Marcial"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1671"]
[BlackElo "1816"]
[PlyCount "76"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c3 Nc6 7. Qc2 e5 8. Bg5 h6 9. Bxf6 Bxf6 10. d5 Ne7 11. c4 Bg7 12. Nc3 f5 13. e4 f4 14. b4 g5 15. c5 g4 16. cxd6 cxd6 17. Nd2 f3 18. Bh1 h5 19. Nb5 a6 20. Nc7 Rb8 21. b5 h4 22. h3 hxg3 23. fxg3 gxh3 24. Bxf3 Ng6 25. Kh2 Qg5 26. Nc4 Rf6 27. Ne8 Rf8 28. Ncxd6 Bd7 29. Nc7 Qe3 30. Bh5 Qb6 31. Nf5 Bxf5 32. exf5 Ne7 33. Ne6 Rbc8 34. Qd2 Rxf5 35. d6 Rxh5 36. Nxg7 Kxg7 37. dxe7 Qg6 38. Qd7 Qc2+ 0-1

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.04.06"]
[Round "6"]
[White "Costache, Bogdan Alexandru"]
[Black "Jablanovic, Milos"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1816"]
[BlackElo "1347"]
[PlyCount "112"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. d3 d5 4. Bg2 Nf6 5. 0-0 Bd6 6. Nc3 a6 7. e4 d4 8. Ne2 Bg4 9. h3 Bh5 10. Nh4 0-0 11. Nf5 Bc5 12. f4 Nd7 13. g4 Bg6 14. Nh6+ Kh8 15. f5 gxh6 16. fxg6 fxg6 17. Bxh6 Rxf1+ 18. Qxf1 Qf6 19. Qc1 Nf8 20. Bg5 Qe6 21. a3 Qf7 22. Qd2 Ne6 23. Rf1 Qe8 24. Bf6+ Ng7 25. Qh6 Qg8 26. h4 Rf8 27. h5 Ne7 28. Bxg7+ Qxg7 29. Rxf8+ Ng8 30. Qxg7+ Kxg7 31. Rc8 Bd6 32. hxg6 hxg6 33. c3 Ne7 34. Rb8 b6 35. cxd4 exd4 36. b4 Nc6 37. Re8 Kf7 38. Rh8 Be5 39. Rh3 a5 40. b5 Ne7 41. Rf3+ Ke6 42. Nf4+ Kd6 43. a4 Kc5 44. Ne6+ Kb4 45. Rf7 Bd6 46. Nxc7 Kxa4 47. e5 Bc5 48. Bc6 Kb3 49. Nd5 a4 50. Nxe7 a3 51. Nxg6 a2 52. Bd5+ Kb2 53. Bxa2 Kxa2 54. e6 Kb2 55. e7 Bxe7 56. Nxe7 Kc3 1-0

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.04.03"]
[Round "5"]
[White "Jablanovic, Sasa"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1647"]
[BlackElo "1816"]
[PlyCount "91"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bd3 e5 5. dxe5 dxe5 6. Nf3 Nbd7 7. 0-0 Be7 8. h3 0-0 9. Be3 Qc7 10. a3 Nc5 11. Qe2 b5 12. b4 Nxd3 13. cxd3 a5 14. Bc5 Bxc5 15. bxc5 Qe7 16. Rfc1 Qxc5 17. Nd5 Qd6 18. Nb6 Rb8 19. Nxc8 Rbxc8 20. Qe3 Rfd8 21. Rc3 b4 22. axb4 axb4 23. Rb3 Nd7 24. Rc1 Nf8 25. Rc5 f6 26. Rxb4 Ne6 27. Rcc4 Qxd3 28. Qb6 Qd1+ 29. Kh2 Qd6 30. Qe3 c5 31. Rb3 Nd4 32. Rbc3 f5 33. Ne1 f4 34. Qd2 Qg6 35. Qa2 Qf7 36. Qa5 Ne2 37. Rc2 Nd4 38. R2c3 Ne6 39. Nd3 f3 40. g3 Ng5 41. h4 Rxd3 42. Rxd3 Qxc4 43. Rd8+ Rxd8 44. Qxd8+ Kf7 45. Qd7+ Kg6 46. Qf5+ 1-0

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.03.16"]
[Round "4"]
[White "Costache, Bogdan Alexandru"]
[Black "Monteiro Rodrigues, Carlos"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1816"]
[BlackElo "1368"]
[PlyCount "61"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Be7 4. e3 0-0 5. Nge2 d5 6. cxd5 Nxd5 7. a3 Be6 8. g3 c6 9. Bg2 Nd7 10. 0-0 Qc7 11. b4 b5 12. Bb2 Qb6 13. d4 Rad8 14. Nxd5 cxd5 15. dxe5 Bg4 16. h3 Be6 17. Nd4 Qb8 18. Nc6 Qb6 19. Nxe7+ Kh8 20. Rc1 Nb8 21. Qc2 Rd7 22. Nf5 Qd8 23. Nd4 Qg5 24. Qc5 Rfd8 25. Nxe6 fxe6 26. h4 Qg6 27. Rfd1 Qf5 28. e4 Qg4 29. exd5 Qe2 30. Qc2 Qg4 31. Kh2 1-0

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.03.09"]
[Round "2"]
[White "Iturbide Arnedo, Oscar"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2126"]
[BlackElo "1816"]
[PlyCount "57"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 a6 4. f4 b5 5. Nf3 Bb7 6. Bd3 e6 7. a3 Ne7 8. 0-0 d6 9. f5 gxf5 10. exf5 exf5 11. Bg5 f6 12. Bd2 Nbc6 13. Nh4 Nxd4 14. Qh5+ Kf8 15. Ne2 Nxe2+ 16. Qxe2 Be4 17. Nxf5 Bxf5 18. Bxf5 Nxf5 19. Rxf5 Qe7 20. Qf3 Re8 21. Rf1 h6 22. Kh1 Kg8 23. Bc3 Qe4 24. Qh5 Kh7 25. Rxf6 Re6 26. Qf7 Rf8 27. Rxe6 Rxf7 28. Rxf7 Qxe6 29. Rxg7+ 1-0

[Event "Gran Canaria Cabildo op"]
[Site "Gran Canaria"]
[Date "2018.03.06"]
[Round "1"]
[White "Costache, Bogdan Alexandru"]
[Black "Diaz Hernandez, Juan Jose"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1816"]
[BlackElo "1018"]
[PlyCount "75"]
[EventDate "2018.03.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 d6 2. c4 e5 3. Nc3 Nf6 4. h3 c6 5. Nf3 Nbd7 6. d4 h6 7. d5 c5 8. Be3 Nb6 9. Be2 Bd7 10. Qd2 Be7 11. g4 g5 12. 0-0-0 a5 13. Nh2 a4 14. a3 Nc8 15. Nf1 Qb6 16. Ng3 Na7 17. Nf5 Bf8 18. h4 h5 19. hxg5 Bxf5 20. gxf5 Bg7 21. gxf6 Bxf6 22. Rxh5 Rg8 23. Nxa4 Qc7 24. Nc3 Qe7 25. Rh7 Kd7 26. Bh5 Raf8 27. Qc2 Kc7 28. Bxc5 Bg5+ 29. Kb1 Kb8 30. Bxa7+ Kxa7 31. Nb5+ Kb8 32. Qa4 b6 33. Qa6 Qb7 34. Qa4 Be7 35. f6 Bxf6 36. Nxd6 Rg7 37. Rxg7 Bxg7 38. Nxb7 1-0

[Event "Las Palmas Insular-chT Segunda 1718"]
[Site "Las Palmas"]
[Date "2018.02.03"]
[Round "7.1"]
[White "Moreno Cameno, Juan Carlos"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1607"]
[BlackElo "1816"]
[PlyCount "98"]
[EventDate "2017.10.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "San Mateo Servitel"]
[BlackTeam "Fundacion La Caja de Canarias III"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. d5 g6 5. Ne2 Bg7 6. 0-0 0-0 7. h3 a5 8. f4 exf4 9. Nxf4 Nbd7 10. Be3 Nc5 11. Bxc5 dxc5 12. c4 Nxe4 13. Bxe4 Bxb2 14. Nd2 Bxa1 15. Qxa1 f5 16. Bf3 Qf6 17. Qxf6 Rxf6 18. Nb3 b6 19. Re1 Kf8 20. d6 Ra7 21. dxc7 a4 22. Nd2 Rd6 23. Re2 Rxc7 24. Bd5 Re7 25. Nf3 Rxe2 26. Nxe2 Be6 27. Nf4 Bxd5 28. Nxd5 b5 29. Ne3 b4 30. Nd5 b3 31. axb3 axb3 32. Nd2 b2 33. Kf2 Ra6 34. Nc3 Rd6 35. Ke2 Rd4 36. g3 f4 37. gxf4 Rxf4 38. Kd3 Rh4 39. Kc2 Rxh3 40. Kxb2 g5 41. Nce4 g4 42. Nxc5 g3 43. Ne6+ Ke7 44. Nf4 Rh2 45. Kc3 h5 46. Kd3 h4 47. Ne4 g2 48. Ne2 Rh1 49. Ke3 Re1 0-1

[Event "Las Palmas Insular-chT Segunda 1718"]
[Site "Las Palmas"]
[Date "2018.01.20"]
[Round "6.3"]
[White "De Leon Navarro, Claudio"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1787"]
[BlackElo "1811"]
[PlyCount "103"]
[EventDate "2017.10.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Hotel Avda de Canarias III"]
[BlackTeam "Fundacion La Caja de Canarias II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f3 e5 5. Nge2 Nbd7 6. Be3 b5 7. a3 Be7 8. Qd2 a5 9. g4 0-0 10. g5 Nh5 11. Ng3 Nf4 12. Bxf4 exf4 13. Nf5 Nb6 14. Nxe7+ Qxe7 15. h4 Nc4 16. Bxc4 bxc4 17. Kf2 Rb8 18. Rab1 f5 19. Rhe1 fxe4 20. Nxe4 Qd7 21. Rh1 Qc7 22. c3 Bf5 23. Rbe1 Bxe4 24. Rxe4 d5 25. Re2 Rbe8 26. Rhe1 Rxe2+ 27. Qxe2 Qd7 28. Kg2 Qd6 29. Qe6+ Qxe6 30. Rxe6 Rb8 31. Re2 h5 32. gxh6 gxh6 33. h5 Kf7 34. Kh3 Rg8 35. Kh4 Rg3 36. Re5 Rxf3 37. Kg4 Rf2 38. Rf5+ Kg7 39. Rxf4 Rxb2 40. Kf5 Rb3 41. Rf3 Rxa3 42. Ke6 Ra1 43. Rg3+ Kh7 44. Rf3 a4 45. Rf7+ Kg8 46. Ra7 Rh1 47. Ra8+ Kg7 48. Ra7+ Kg8 49. Ra8+ Kg7 50. Ra7+ Kg8 51. Ra8+ Kg7 52. Ra7+ 1/2-1/2

[Event "Las Palmas Insular-chT Segunda 1718"]
[Site "Las Palmas"]
[Date "2017.12.16"]
[Round "4.3"]
[White "Rodriguez Brito, Guillermo A"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1386"]
[BlackElo "1813"]
[PlyCount "86"]
[EventDate "2017.10.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Tres W II"]
[BlackTeam "Fundacion La Caja de Canarias II"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "ESP"]

1. d4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nbd2 0-0 6. b3 Nc6 7. Bb2 e5 8. dxe5 Ng4 9. h3 Ngxe5 10. Nxe5 Nxe5 11. c3 Qe7 12. 0-0 Rb8 13. Nf3 Nxf3+ 14. exf3 Re8 15. Re1 Qxe1+ 16. Qxe1 Rxe1+ 17. Rxe1 Kf8 18. f4 b5 19. Re2 a5 20. a3 Be6 21. b4 Bc4 22. Re3 axb4 23. axb4 Re8 24. Kh2 Rxe3 25. fxe3 c5 26. bxc5 dxc5 27. e4 b4 28. e5 bxc3 29. Bxc3 Ke7 30. h4 f6 31. Bf3 fxe5 32. fxe5 Ke6 33. Bg4+ Ke7 34. Bf3 Bh6 35. Kg2 Be3 36. h5 Bd4 37. Bxd4 cxd4 38. hxg6 hxg6 39. Be4 g5 40. Kf2 Ke6 41. g4 Kxe5 42. Bc2 Kf4 43. Bd1 Be6 0-1

[Event "Gran Canaria Simul 3"]
[Site "Gran Canaria"]
[Date "2017.10.18"]
[Round "1.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Gutierrez Olivares, Daniel"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "1811"]
[BlackElo "2355"]
[PlyCount "54"]
[EventDate "2017.10.18"]
[EventType "simul"]
[EventRounds "1"]
[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 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. c3 f6 7. exf6 Qxf6 8. Bd3 Bd6 9. Nf1 e5 10. Bg5 Qf7 11. dxe5 Ndxe5 12. Nxe5 Nxe5 13. Qe2 0-0 14. f3 Bf5 15. Bc2 Qg6 16. Bxf5 Qxf5 17. Bc1 Nd3+ 18. Kd2 Nf4 19. Ne3 Qg6 20. Qf2 Bc5 21. Kd1 Rae8 22. Re1 Qd3+ 23. Qd2 Bxe3 24. Qxd3 Nxd3 25. Rxe3 Nxb2+ 26. Kc2 Nc4 27. Rxe8 Rxe8 0-1

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.15"]
[Round "6"]
[White "Alba Santana, Cayetano"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1891"]
[BlackElo "1825"]
[PlyCount "37"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Bg4 7. fxe5 dxe5 8. dxe5 Nfd7 9. Bf4 Bxf3 10. Qxf3 Nxe5 11. Bxe5 Qxe5 12. Rf1 Qe6 13. Ne2 Bc5 14. Nf4 Qf6 15. 0-0-0 0-0 16. Qh3 g6 17. Kb1 b5 18. Nh5 Qe5 19. Nf6+ 1-0

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.13"]
[Round "5"]
[White "Ramirez Maillo, Cristian"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1776"]
[BlackElo "1825"]
[PlyCount "126"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 Qa5 5. f4 Nxe4 6. Nge2 Bg4 7. Bd2 Nxd2 8. Qxd2 Nd7 9. h3 Bxe2 10. Bxe2 e5 11. dxe5 dxe5 12. 0-0-0 0-0-0 13. Bg4 Qc7 14. fxe5 h5 15. Bxd7+ Rxd7 16. Qf4 g6 17. Rxd7 Qxd7 18. Qf2 Bh6+ 19. Kb1 Kb8 20. Rd1 Qe7 21. Na4 Rd8 22. Rxd8+ Qxd8 23. a3 Qd1+ 24. Ka2 Qd5+ 25. Kb1 Bg7 26. Nc3 Qe6 27. Qh4 Bxe5 28. Qd8+ Qc8 29. Qe7 Bxc3 30. bxc3 Qg8 31. Qf6 Qe8 32. Kb2 Kc8 33. Qd4 b6 34. a4 Qd7 35. Qe3 Qe6 36. Qd4 Qd5 37. Qh8+ Kb7 38. Qe8 Qe6 39. Qd8 Qc4 40. Qd7+ Ka6 41. Qc8+ Ka5 42. Qc7 Kxa4 43. Qxa7+ Kb5 44. Qe7 Qe6 45. Qg5+ f5 46. Ka3 Ka6 47. Kb2 Qf7 48. g3 Qe8 49. Qf6 c5 50. Ka3 Ka5 51. Qg7 Ka6 52. Kb2 Qb5+ 53. Ka2 Qf1 54. Qxg6 Qxh3 55. Kb3 Qg4 56. Qc6 Qg8+ 57. Kb2 Qf7 58. Qa8+ Kb5 59. Ka3 Qc4 60. Qe8+ Ka5 61. Qa8+ Qa6 62. Qc6 Qc4 63. Qa8+ Qa6 1/2-1/2

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.12"]
[Round "4"]
[White "Costache, Bogdan Alexandru"]
[Black "Garcia Almeida, Aitana Maria"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1825"]
[BlackElo "1520"]
[PlyCount "112"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. h3 0-0 7. Be3 e5 8. d5 a5 9. Be2 Nh5 10. g3 Nc5 11. Nd2 Nf6 12. g4 Bd7 13. g5 Ne8 14. h4 f5 15. gxf6 Nxf6 16. h5 gxh5 17. Bxh5 Nd3+ 18. Kf1 Be8 19. Bg4 Nxg4 20. Qxg4 Qf6 21. Qg2 Bg6 22. Ne2 Rf7 23. Ng3 Raf8 24. Rh2 b6 25. b3 Qe7 26. f3 Nf4 27. Qg1 Qd7 28. Ke1 c5 29. Kd1 b5 30. Kc2 b4 31. Rh1 Nh3 32. Qh2 Nf4 33. Rag1 a4 34. Ra1 Ra8 35. Ne2 axb3+ 36. axb3 Rxa1 37. Rxa1 Qb7 38. Ra2 Nh5 39. Qg1 Qc8 40. Qh1 Qf8 41. Qa1 Qe7 42. Ra8+ Rf8 43. Ra7 Qh4 44. Qg1 Rxf3 45. Nxf3 Qxe4+ 46. Kd1 Qxf3 47. Qg5 Qf1+ 48. Kd2 Nf6 49. Ra8+ Bf8 50. Ng3 Qg2+ 51. Ke1 Qf3 52. Nf1 Ng4 53. Rd8 Qe4 54. Qe7 Qb1+ 55. Ke2 Qd3+ 56. Ke1 Qb1+ 1/2-1/2

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.06"]
[Round "3"]
[White "Cruz Pino, Adrian"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2115"]
[BlackElo "1825"]
[PlyCount "133"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. h3 0-0 6. Bf4 Nc6 7. e3 Nd7 8. Be2 e5 9. Bg3 f5 10. Bh4 Bf6 11. Bxf6 Nxf6 12. Qc2 e4 13. Nd2 Nb4 14. Qb3 c5 15. a3 Nc6 16. d5 Ne5 17. 0-0-0 a6 18. f4 Ned7 19. g4 Rf7 20. Rdg1 Rg7 21. gxf5 gxf5 22. Rxg7+ Kxg7 23. Qd1 Nf8 24. Qg1+ Ng6 25. Qg3 Bd7 26. Rg1 Kh8 27. h4 Qg8 28. Qg5 Qf7 29. Bh5 Nxh5 30. Qxh5 Ne5 31. Qh6 Nd3+ 32. Kc2 Qe7 33. Rg6 Rg8 34. Rxd6 Ne1+ 35. Kb3 Rg2 36. Rf6 Kg8 37. Ncb1 Nf3 38. Nf1 Rg4 39. h5 Rg2 40. Ka2 Rg1 41. Nbd2 Rg2 42. Nb3 Rg1 43. Nfd2 Rg2 44. Nb1 Ne1 45. Rb6 Bc8 46. Qd6 Qg7 47. Nxc5 Nc2 48. Qd8+ Qf8 49. Rd6 Nxe3 50. Qxf8+ Kxf8 51. Rd8+ Ke7 52. Rxc8 Nxc4 53. Nxe4 Nxb2 54. Ned2 Nd3 55. d6+ Kd7 56. Rh8 Nxf4 57. Rxh7+ Kxd6 58. h6 Rh2 59. Rxb7 Nd5 60. h7 Ke6 61. Kb3 a5 62. Nf3 Rh3 63. Ka4 Kf6 64. Nbd2 Kg6 65. Ne5+ Kf6 66. Ndf3 Ne7 67. Rxe7 1-0

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.05"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Hernandez Guerra, Luna Yue"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1825"]
[BlackElo "1603"]
[PlyCount "77"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. c3 c5 5. exd5 exd5 6. Ngf3 Nf6 7. Bd3 c4 8. Bc2 Be7 9. 0-0 0-0 10. b3 b5 11. a4 bxa4 12. bxc4 dxc4 13. Nxc4 Qc7 14. Nfe5 Be6 15. Rxa4 Nbd7 16. Qd3 Rfd8 17. Bf4 Nc5 18. Ng4 Qxf4 19. Nxf6+ Bxf6 20. Qxh7+ Kf8 21. dxc5 Bxc4 22. Bb3 Bxc3 23. Rxc4 Qd2 24. Qh8+ Ke7 25. Re4+ Kd7 26. Qh3+ Kc6 27. Qf3 Kb5 28. Qxf7 Rab8 29. Qc4+ Kc6 30. Qxa6+ Kc7 31. Re7+ Rd7 32. Rxd7+ Qxd7 33. Qc4 Be5 34. Rd1 Qe7 35. g3 Rf8 36. Qb5 Rb8 37. Qa5+ Kc8 38. Qa6+ Kc7 39. Ba4 1-0

[Event "Gran Canaria Fiestas Dolores 2nd"]
[Site "Gran Canaria"]
[Date "2017.09.04"]
[Round "1"]
[White "Garcia Cruz, Jose Manuel"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1369"]
[BlackElo "1825"]
[PlyCount "62"]
[EventDate "2017.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 e6 8. 0-0 exd5 9. exd5 Bg4 10. h3 Bxf3 11. Bxf3 Nbd7 12. Rb1 a6 13. Bf4 Ne5 14. b3 Nxf3+ 15. Qxf3 Nh5 16. Bh2 f5 17. Ne2 Qd7 18. Nf4 Nxf4 19. Bxf4 Rfe8 20. Rfe1 b5 21. Qg3 Bf8 22. h4 Kf7 23. Re3 Rxe3 24. Qxe3 Re8 25. Qd2 Qe7 26. g3 Qe2 27. Qa5 bxc4 28. bxc4 Qxc4 29. Rb7+ Kg8 30. Qc7 Re7 31. Qc6 Re1+ 0-1

[Event "Gran Canaria Galdos op 2nd"]
[Site "Gran Canaria"]
[Date "2017.05.09"]
[Round "5"]
[White "Guerra Aleman, Marcial"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1696"]
[BlackElo "1813"]
[PlyCount "80"]
[EventDate "2017.05.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Be2 0-0 6. Nf3 e5 7. d5 a5 8. Bg5 Na6 9. Nd2 Nc5 10. Nb3 b6 11. Nxc5 bxc5 12. 0-0 h6 13. Bd2 Ne8 14. Qc1 Kh7 15. g4 Qh4 16. f3 f5 17. Qe1 Qe7 18. Na4 fxg4 19. fxg4 Nf6 20. Qh4 Nxd5 21. g5 Nf4 22. Bxf4 exf4 23. Rxf4 Rxf4 24. Qxf4 Qxg5+ 25. Qxg5 hxg5 26. Rc1 Bd4+ 27. Kg2 Bb7 28. Bd3 Rf8 29. Rf1 Rf4 30. Rxf4 gxf4 31. h4 Kh6 32. Nc3 Bxc3 33. bxc3 Kh5 34. Kf3 Kxh4 35. Kxf4 g5+ 36. Kf3 Bc8 37. Bf1 Bh3 38. Bd3 g4+ 39. Kf2 g3+ 40. Kg1 Kg4 0-1

[Event "Gran Canaria Galdos op 2nd"]
[Site "Gran Canaria"]
[Date "2017.05.08"]
[Round "4"]
[White "Costache, Bogdan Alexandru"]
[Black "Diaz Mendoza, Eladio"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1813"]
[BlackElo "1622"]
[PlyCount "97"]
[EventDate "2017.05.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Bb4 8. 0-0 Nge7 9. Be3 Bxc3 10. bxc3 0-0 11. f4 a6 12. a4 d5 13. Bd3 dxe4 14. Bxe4 f5 15. Bd3 Nd5 16. Bd2 Qb6 17. a5 Qa7 18. Ra4 Bd7 19. Kh1 Rad8 20. Qe2 Rfe8 21. Qf2 Qc5 22. Rc4 Qxa5 23. Rxc6 bxc6 24. c4 Nb4 25. Nb3 Nxd3 26. Qg3 Qc7 27. cxd3 Qd6 28. Bc3 Qe7 29. Nc5 Bc8 30. Re1 g6 31. Qe3 h6 32. Qe5 Kh7 33. Ba5 Rd6 34. Bb4 Qd8 35. Ne4 fxe4 36. Bxd6 exd3 37. Bb4 Qd7 38. Bc3 Rg8 39. Rd1 Qb7 40. h3 Bd7 41. Kh2 Qb8 42. Qf6 Qf8 43. Qd4 Qe7 44. Rxd3 Rd8 45. Ba5 c5 46. Bxd8 cxd4 47. Bxe7 a5 48. Rxd4 Bc6 49. Rd6 1-0

[Event "Gran Canaria Galdos op 2nd"]
[Site "Gran Canaria"]
[Date "2017.05.05"]
[Round "3"]
[White "Cruz Pino, Adrian"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2100"]
[BlackElo "1813"]
[PlyCount "107"]
[EventDate "2017.05.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 d6 2. d4 Nf6 3. Nf3 g6 4. Nc3 Bg7 5. Bg5 h6 6. Bd2 0-0 7. h3 c5 8. e3 cxd4 9. exd4 Nc6 10. d5 Ne5 11. Nxe5 dxe5 12. Qe2 e6 13. dxe6 Bxe6 14. g4 Qb6 15. Bg2 Qxb2 16. Rb1 Qa3 17. Bxb7 Rab8 18. 0-0 Nd7 19. Rb3 Qc5 20. Nd5 Bxd5 21. Bxd5 Rfd8 22. Rfb1 Rxb3 23. axb3 Nb6 24. Bg2 f5 25. Be3 Qc7 26. c5 Nd5 27. Bxd5+ Rxd5 28. Qc4 Qf7 29. c6 Rd8 30. Qxf7+ Kxf7 31. Bxa7 Rc8 32. Rc1 Bf8 33. Bb6 Ke6 34. Ba5 Kd5 35. c7 Kd6 36. Bb4+ Kd7 37. Rd1+ Kxc7 38. Rc1+ Kb7 39. Rxc8 Bxb4 40. Rg8 fxg4 41. hxg4 g5 42. Rh8 Kc6 43. Rxh6+ Kc5 44. Rh8 Kd4 45. Rc8 Kd5 46. f3 Kd6 47. Kf1 Kd7 48. Rc4 Bd2 49. Ke2 Ba5 50. Kd3 Kd6 51. Ke4 Be1 52. b4 Bd2 53. b5 Ba5 54. Rc6+ 1-0

[Event "Gran Canaria Galdos op 2nd"]
[Site "Gran Canaria"]
[Date "2017.05.04"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Monteiro Rodrigues, Carlos"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1813"]
[BlackElo "1434"]
[PlyCount "95"]
[EventDate "2017.05.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 d6 3. exd6 Bxd6 4. c3 Nc6 5. Nf3 Bg4 6. Nd4 Nge7 7. h3 Bh5 8. g4 Bg6 9. Bg2 Qd7 10. Nb5 0-0 11. Nxd6 cxd6 12. Bf4 d5 13. 0-0 h5 14. e4 d4 15. Bg3 hxg4 16. hxg4 Rad8 17. f4 Qc7 18. Qf3 Bh7 19. f5 Qb6 20. Qf2 f6 21. Na3 Qa6 22. Nc2 d3 23. Ne3 Ne5 24. Bxe5 fxe5 25. Qh4 Qb6 26. Qxe7 Qxe3+ 27. Kh2 Rfe8 28. Qh4 d2 29. g5 g6 30. f6 Rf8 31. Qg3 Qc5 32. Rad1 Rf7 33. Qf2 Qd6 34. Qe2 Kf8 35. Rf2 Bg8 36. Rxd2 Rh7+ 37. Kg1 Qb6 38. Rxd8+ Qxd8 39. Qd2 Qb6 40. b3 Be6 41. c4 Rd7 42. Qe1 Bg4 43. Bf1 Bf3 44. Qc3 Bxe4 45. Qxe5 Bf5 46. c5 Qb4 47. Qb8+ Kf7 48. Bc4+ 1-0

[Event "Gran Canaria Galdos op 2nd"]
[Site "Gran Canaria"]
[Date "2017.05.03"]
[Round "1"]
[White "Garcia Cruz, Jose Manuel"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1346"]
[BlackElo "1813"]
[PlyCount "62"]
[EventDate "2017.05.03"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Bg5 Nbd7 4. c4 h6 5. Bh4 g5 6. Bg3 Bg7 7. h3 c6 8. Nc3 Qa5 9. Nd2 Nh5 10. e3 Nxg3 11. fxg3 e5 12. Nde4 Qc7 13. d5 0-0 14. g4 cxd5 15. Nxd5 Qa5+ 16. b4 Qd8 17. Rc1 Nb6 18. Ndc3 Be6 19. Nxd6 Qe7 20. a3 a5 21. c5 axb4 22. axb4 Rfd8 23. Qf3 e4 24. Ncxe4 Bd5 25. Bd3 Ra3 26. Qe2 Ra2 27. Nd2 Bb2 28. 0-0 Bxc1 29. Rxc1 Nc8 30. Nf5 Qf6 31. e4 Qb2 0-1

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.31"]
[Round "7"]
[White "Gonzalez Intelangelo, Gerardo"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1921"]
[BlackElo "1790"]
[PlyCount "90"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. Bf4 0-0 6. e3 Nfd7 7. d5 c6 8. Be2 Qa5 9. 0-0 Bxc3 10. bxc3 Qxc3 11. Rc1 Qg7 12. e4 h6 13. Qd2 g5 14. Be3 Nc5 15. e5 Bf5 16. Bd4 Ne4 17. Qb2 c5 18. Qxb7 Nd7 19. Ba1 Rfb8 20. Qc7 Rc8 21. Qa5 Nxe5 22. Nxe5 dxe5 23. Rb1 Nd6 24. Rb3 f6 25. Bb2 e6 26. dxe6 Bxe6 27. Qa6 Qc7 28. Rd1 Rd8 29. Bc3 Bc8 30. Qa3 a5 31. Rdb1 Bf5 32. R1b2 a4 33. Rb6 Be6 34. Rb1 Bf5 35. R1b2 Be6 36. Rb1 Bxc4 37. Rxd6 Bxe2 38. Rxf6 Ra6 39. Rxa6 Bxa6 40. h4 Qc6 41. Bxe5 Qe4 42. Qb2 Rd7 43. Qb8+ Kf7 44. Rb6 Rd1+ 45. Kh2 Qxh4# 0-1

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.28"]
[Round "6"]
[White "Costache, Bogdan Alexandru"]
[Black "Haenen, Tom"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1790"]
[BlackElo "1661"]
[PlyCount "71"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Nf3 0-0 6. h3 c6 7. Be2 e5 8. d5 c5 9. Bg5 h6 10. Be3 Bd7 11. g4 Ne8 12. Rg1 Na6 13. h4 Nac7 14. h5 g5 15. Qd2 Bf6 16. Nh2 Rb8 17. Nf1 b5 18. cxb5 Nxb5 19. Nxb5 Bxb5 20. Bxb5 Rxb5 21. Ng3 Ng7 22. 0-0-0 Be7 23. Qc2 Qa5 24. Rd3 Rfb8 25. Ra3 Qb6 26. b3 a5 27. Ra4 Rb4 28. Rxb4 Qxb4 29. Bd2 Qa3+ 30. Kd1 a4 31. Bc1 axb3 32. Bxa3 bxc2+ 33. Kxc2 Bd8 34. Bb2 Ba5 35. Rb1 Kf8 36. Bxe5 1-0

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.21"]
[Round "4"]
[White "Garcia Almeida, Aitana Maria"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1482"]
[BlackElo "1790"]
[PlyCount "54"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. Nbd2 e5 7. e4 Nc6 8. c3 Ne8 9. a4 f5 10. Qc2 f4 11. Nb3 g5 12. d4 g4 13. Nh4 f3 14. Bh1 Bf6 15. d5 Ne7 16. Bh6 Bxh4 17. gxh4 Rf6 18. Bg5 Rg6 19. Qd2 Nf6 20. Rae1 Qf8 21. Na1 h6 22. Bxf6 Qxf6 23. h5 Rg5 24. Re3 Rxh5 25. Rfe1 Qh4 26. Rxf3 Qxh2+ 27. Kf1 Qxh1+ 0-1

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.17"]
[Round "3"]
[White "Macias Reyes, Jose Luis"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1455"]
[BlackElo "1790"]
[PlyCount "122"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. f3 0-0 6. Be3 a6 7. Nge2 c6 8. Qd2 b5 9. cxb5 axb5 10. Ng3 b4 11. Nd1 Qa5 12. Bc4 Ba6 13. Bxa6 Nxa6 14. a4 c5 15. b3 cxd4 16. Bxd4 Nc5 17. Qe3 Qa6 18. Nb2 Ne6 19. Ne2 Nxd4 20. Nxd4 Nd7 21. Rd1 Rfc8 22. Nc4 Nc5 23. 0-0 Nxb3 24. Nxb3 Qxc4 25. a5 Bc3 26. Rb1 e6 27. Rfd1 d5 28. exd5 exd5 29. f4 Re8 30. Qf3 d4 31. Rd3 Rad8 32. f5 Qd5 33. Qxd5 Rxd5 34. fxg6 hxg6 35. Rbd1 Re6 36. Kf2 Rf5+ 37. Rf3 Rxf3+ 38. Kxf3 Re3+ 39. Kf2 Re5 40. a6 Re6 41. Nc5 Rc6 42. a7 Rc8 43. Ke2 Ra8 44. Nb3 Rxa7 45. Nxd4 Ra2+ 46. Kf1 Bxd4 47. Rxd4 Ra1+ 48. Kf2 Rb1 49. Rd8+ Kg7 50. Rb8 b3 51. Kg3 g5 52. h3 Kg6 53. Kg4 f5+ 54. Kg3 Kf6 55. Rb6+ Ke5 56. h4 gxh4+ 57. Kxh4 b2 58. Kg3 f4+ 59. Kg4 f3 60. Rb5+ Kd6 61. Rb6+ Kc5 0-1

[Event "Gran Canaria Simul 2"]
[Site "Gran Canaria"]
[Date "2017.03.15"]
[Round "1.2"]
[White "Garcia Blanco, Omar"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2272"]
[BlackElo "1790"]
[PlyCount "115"]
[EventDate "2017.03.15"]
[EventType "simul"]
[EventRounds "1"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. Nc3 Nd7 10. h4 f5 11. h5 e4 12. hxg6 hxg6 13. Be3 Ne5 14. Bd4 e6 15. f4 Ng4 16. Bxg7 Kxg7 17. Bh3 Nf6 18. Kg2 exd5 19. cxd5 c6 20. dxc6 Qxd1 21. Rfxd1 bxc6 22. Rd6 Bb7 23. Na4 Rad8 24. Rad1 Nd5 25. Rxd8 Rxd8 26. Kf2 Rh8 27. Bg2 Rh2 28. Rc1 Ne3 29. Kxe3 Rxg2 30. Nc5 Bc8 31. Rd1 Rxg3+ 32. Kf2 Rh3 33. Rd8 Rh8 34. Rd6 Kh6 35. Rxc6 Kh5 36. Kg3 g5 37. e3 Rg8 38. b4 gxf4+ 39. Kxf4 Rg4+ 40. Ke5 Rg8 41. a4 Kg4 42. Nb3 Re8+ 43. Kd4 Rd8+ 44. Kc4 Kf3 45. Nc5 Kxe3 46. Rc7 a6 47. b5 axb5+ 48. axb5 f4 49. b6 f3 50. b7 Bxb7 51. Rxb7 Rc8 52. Kd5 Rxc5+ 53. Kxc5 f2 54. Rf7 Ke2 55. Kd4 e3 56. Ke4 f1Q 57. Rxf1 Kxf1 58. Kxe3 1-0

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.14"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Cruz Pino, Adrian"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1790"]
[BlackElo "2126"]
[PlyCount "46"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. d3 Ne7 6. Nge2 Nec6 7. 0-0 Be7 8. a4 0-0 9. Ba2 a6 10. Nxd4 cxd4 11. Ne2 Kh8 12. f4 f5 13. exf5 exf5 14. g4 fxg4 15. Ng3 d5 16. f5 Ne5 17. Bf4 Nf3+ 18. Rxf3 gxf3 19. Qxf3 Bxf5 20. Bxd5 Bg6 21. Bb3 Bd6 22. Ne2 Bxf4 23. Nxf4 Qg5+ 0-1

[Event "Las Palmas Cabildo op"]
[Site "Las Palmas"]
[Date "2017.03.10"]
[Round "1"]
[White "Costache, Bogdan Alexandru"]
[Black "Suarez Sauca, Carlos Francisco"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1790"]
[PlyCount "27"]
[EventDate "2017.03.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 Nxc6 8. Bc4 Nd5 9. Qf3 Qxg5 10. Bxd5 f6 11. Bxc6+ Kf7 12. Bxb7 Bxb7 13. Qxb7+ Kg8 14. Qd5# 1-0

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.24"]
[Round "7"]
[White "Barrera Martin, Nayra"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1558"]
[BlackElo "1823"]
[PlyCount "116"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 Nbd7 5. Nf3 e5 6. Bc4 b5 7. Bd3 Be7 8. 0-0 0-0 9. Be3 b4 10. Ne2 a5 11. c3 Qc7 12. Rc1 d5 13. Ng3 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Bb1 bxc3 17. Rxc3 Bb4 18. Rc1 Ba6 19. Nxe5 Bxf1 20. Rxc6 Qb7 21. Kxf1 Ra6 22. Rc1 Rc8 23. Bd3 Rxc1 24. Qxc1 Ra8 25. Bc4 Nd5 26. Kg1 Bd6 27. Nf3 Nb6 28. Bd3 Rc8 29. Qb1 g6 30. b3 Qc7 31. Nd2 Qc1+ 32. Qxc1 Rxc1+ 33. Nf1 Ra1 34. a4 Nd5 35. g4 Nf4 36. Bxf4 Bxf4 37. Kg2 Rd1 38. Bc4 Rxd4 39. Kf3 Kf8 40. Ne3 Bxe3 41. fxe3 Rd2 42. e4 f6 43. h4 h6 44. Bd5 Ke7 45. Bc4 Kd6 46. Kf4 Rf2+ 47. Kg3 Rc2 48. Bf7 g5 49. hxg5 hxg5 50. Kf3 Rc3+ 51. Ke2 Ke5 52. Kd2 Rg3 53. Bg6 Rxg4 54. Kd3 Rg1 55. Kc4 g4 56. Kb5 g3 57. Kxa5 g2 58. Kb5 Rb1 0-1

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.21"]
[Round "6"]
[White "Costache, Bogdan Alexandru"]
[Black "Fernandez de la Hoz A, Carlos"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1823"]
[BlackElo "1696"]
[PlyCount "96"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. c4 g6 3. d4 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. h3 e5 7. d5 Nh5 8. g3 f5 9. exf5 gxf5 10. Ng5 Nf6 11. Ne6 Bxe6 12. dxe6 c6 13. g4 Ne8 14. gxf5 Rxf5 15. Bd3 Rf8 16. Qh5 Nf6 17. Qh4 Qe8 18. Bg5 Qxe6 19. Bxf6 e4 20. Bxe4 Qxf6 21. Qxh7+ Kf7 22. Qh5+ Ke7 23. Qe2 Kd8 24. 0-0-0 Nd7 25. Rhf1 Kc7 26. f4 Rae8 27. Qf2 Rh8 28. Bg2 Qf7 29. Qd2 Re6 30. Ne4 Qe7 31. Nc3 Nb6 32. Qc2 Kb8 33. Ne4 d5 34. cxd5 cxd5 35. f5 Rxe4 36. Kb1 Re2 37. Rd2 Re1+ 38. Rxe1 Qxe1+ 39. Rd1 Qe5 40. Rd2 Nc4 41. Rxd5 Na3+ 42. Kc1 Nxc2 43. Rxe5 Bxe5 44. Kxc2 b6 45. b3 Kc7 46. Kd3 Rh4 47. Ke3 Kd6 48. Bf1 Ke7 0-1

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.17"]
[Round "5"]
[White "Chaparro Grande, Fernando"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1619"]
[BlackElo "1823"]
[PlyCount "86"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. h3 Nbd7 5. Nf3 e5 6. Bc4 Be7 7. 0-0 0-0 8. Be3 b5 9. Bd3 a6 10. Ne2 Qc7 11. c3 Re8 12. Nd2 d5 13. Ng3 exd4 14. cxd4 dxe4 15. Ngxe4 Nxe4 16. Bxe4 Nf6 17. Bf3 Be6 18. Ne4 Nxe4 19. Bxe4 Rad8 20. Qc2 Bc4 21. Bxh7+ Kf8 22. Rfe1 Bf6 23. b3 Bd5 24. Qc5+ Qd6 25. Qxd6+ Rxd6 26. Bf5 Be4 27. Bxe4 Rxe4 28. Rad1 Bxd4 29. Bxd4 Rxe1+ 30. Rxe1 Rxd4 31. Re2 c5 32. Kf1 Rd1+ 33. Re1 Rxe1+ 34. Kxe1 Ke7 35. Kd2 Kd6 36. g4 g5 37. Ke3 Ke5 38. f4+ gxf4+ 39. Kf3 c4 40. bxc4 bxc4 41. h4 c3 42. h5 c2 43. h6 c1Q 0-1

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.14"]
[Round "4"]
[White "Costache, Bogdan Alexandru"]
[Black "Guerra Aleman, Marcial"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1823"]
[BlackElo "1688"]
[PlyCount "96"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. a4 a6 5. Bc4 Nf6 6. d3 Nc6 7. f4 Na5 8. Ba2 b5 9. axb5 axb5 10. Nf3 c4 11. dxc4 b4 12. e5 bxc3 13. exf6 gxf6 14. bxc3 Nxc4 15. Qd5 Qc8 16. Bxc4 Rxa1 17. Qxf7+ Kd8 18. 0-0 Bf5 19. Be3 Rxf1+ 20. Kxf1 Qb7 21. Nd4 Bd7 22. Kf2 Qe4 23. Ne6+ Bxe6 24. Bb6+ Kd7 25. Bb5+ Kc8 26. Qe8+ Kb7 27. Qd8 Qxc2+ 28. Be2 Qxc3 29. Be3 Qb2 30. Qa5 Bc4 31. Qa7+ Kc8 32. Qa8+ Kd7 33. Qa4+ Bb5 34. Qxb5+ Qxb5 35. Bxb5+ Ke6 36. g4 h5 37. g5 f5 38. Bd4 Rg8 39. Be8 Bg7 40. Bxg7 Rxe8 41. Bc3 Rc8 42. Be1 d5 43. Kg3 Kf7 44. Kf3 Rc2 45. h4 d4 46. Bf2 d3 47. Be3 Rh2 48. Bf2 d2 0-1

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.10"]
[Round "3"]
[White "Monteiro Rodrigues, Carlos"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1476"]
[BlackElo "1823"]
[PlyCount "40"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. Bd3 Nbd7 7. g4 Bg6 8. Nh4 e5 9. Nxg6 hxg6 10. Be3 Qb6 11. dxe5 Qxb2 12. Bd4 dxe5 13. Rb1 Qa3 14. Rb3 Qa5 15. Be3 Bb4 16. Bd2 Nc5 17. Rxb4 Qxb4 18. Nd5 Nxd3+ 19. cxd3 Qd6 20. Bb4 Qd7 0-1

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.07"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Gimenez Aldecocea, Jorge"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1823"]
[BlackElo "1298"]
[PlyCount "71"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Bg5 h6 9. Bxf6 Nxf6 10. Nxf6+ Qxf6 11. Ne5 Bd6 12. Nxc6 bxc6 13. Be4 0-0 14. Bxc6 Rab8 15. Rb1 Rfd8 16. c3 a5 17. Qf3 Qg5 18. g3 Rb6 19. Be4 Rdb8 20. b3 Qe7 21. Bc6 Qd8 22. c4 Be7 23. c5 Rb4 24. d5 exd5 25. Bxd5 Bf6 26. Rfd1 Qf8 27. Rbc1 Kh8 28. Qh5 Rd8 29. Qxf7 Bd4 30. a3 Qxf7 31. Bxf7 Rb5 32. Kg2 Rf8 33. Rxd4 Rxf7 34. b4 axb4 35. axb4 Re7 36. c6 1-0

[Event "Gran Canaria Santana Memorial 5th"]
[Site "Gran Canaria"]
[Date "2017.02.03"]
[Round "1"]
[White "Rodriguez Medina, Jose Chedey"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1347"]
[BlackElo "1823"]
[PlyCount "75"]
[EventDate "2017.02.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. Nbd2 d6 6. h3 Nc6 7. c3 e5 8. e4 Ne8 9. d5 Ne7 10. g4 f5 11. gxf5 gxf5 12. exf5 Nxf5 13. Ne4 Nh4 14. Nxh4 Qxh4 15. Bg5 Bg4 16. Qxg4 Qxg4 17. hxg4 Rf7 18. Ng3 Nf6 19. Bxf6 Bxf6 20. Nf5 Bg5 21. Nh6+ Bxh6 22. Rxh6 Raf8 23. Bf5 Rg7 24. Ke2 Kh8 25. Rah1 Rff7 26. R1h3 a5 27. Rf3 b6 28. Be6 Rxf3 29. Kxf3 Re7 30. g5 Kg7 31. Bf5 Kg8 32. Re6 Rg7 33. Kg4 Kf7 34. Kh5 Kg8 35. Kh6 a4 36. Rf6 a3 37. Be6+ Rf7 38. b3 1-0

[Event "Valladolid Para Club Piolin V"]
[Site "Valladolid"]
[Date "2014.07.06"]
[Round "5.2"]
[White "Costache, Bogdan Alexandru"]
[Black "Garcia Gonzalez, Omar"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "1739"]
[BlackElo "1857"]
[PlyCount "108"]
[EventDate "2014.07.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 Nbd7 7. Nbd2 c5 8. b3 b6 9. Bb2 Bb7 10. Ne5 cxd4 11. Bxd4 Qc7 12. Nxd7 Qxd7 13. Re1 Rfd8 14. Bb2 dxc4 15. Nxc4 Qc7 16. Qc1 Bxg2 17. Kxg2 Rac8 18. Qg5 Rd5 19. Qe3 Qb7 20. Qf3 Qd7 21. Ne3 Rdc5 22. Red1 Qe8 23. Rac1 b5 24. Qb7 Qc6+ 25. Qxc6 R5xc6 26. Rxc6 Rxc6 27. Bxf6 Bxf6 28. Rd7 a6 29. h4 h5 30. Ra7 g6 31. a4 bxa4 32. bxa4 Kg7 33. Kf3 Bd4 34. Ra8 Bc3 35. Rb8 Bd2 36. Rb2 Bxe3 37. Kxe3 Rc4 38. Ra2 Kf6 39. Kd3 Rb4 40. Kc3 a5 41. Ra1 g5 42. hxg5+ Kxg5 43. Kd3 e5 44. Ke3 f5 45. Kf3 h4 46. gxh4+ Rxh4 47. e3 Rb4 48. Rg1+ Kf6 49. Ra1 Ke6 50. Ra2 Kd5 51. Ke2 e4 52. Kd2 Rc4 53. Ra3 Kc5 54. Rc3 Kb4 0-1

[Event "Valladolid Para Club Piolin V"]
[Site "Valladolid"]
[Date "2014.07.06"]
[Round "4.1"]
[White "Santos Martinez, Guillermo"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "1782"]
[BlackElo "1739"]
[PlyCount "80"]
[EventDate "2014.07.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. c4 Be7 6. Nc3 0-0 7. d4 Ne4 8. Qc2 f5 9. Nd2 d5 10. Qb3 Kh8 11. Ndxe4 fxe4 12. Bf4 Na6 13. Rac1 c5 14. e3 Nb4 15. dxc5 Bxc5 16. Na4 Ba6 17. cxd5 Bxf1 18. Bxf1 Nxd5 19. Nxc5 bxc5 20. Rxc5 Nxf4 21. exf4 Rf5 22. Qc3 Rxc5 23. Qxc5 Qd5 24. Qc2 Qxa2 25. Qxe4 Qd5 26. Qc2 Rd8 27. Qa4 a5 28. b4 axb4 29. Qxb4 h5 30. Qc4 h4 31. Qc7 hxg3 32. hxg3 Kh7 33. Qc2+ Kh6 34. Qe2 Rh8 35. Bh3 Re8 36. f5 e5 37. Qe3+ Kh7 38. Qg5 Qf7 39. Bg4 Rf8 40. Qh4+ Kg8 1/2-1/2

[Event "Valladolid Para Club Piolin V"]
[Site "Valladolid"]
[Date "2014.07.05"]
[Round "2.3"]
[White "Arias Sastre, Angel"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1896"]
[BlackElo "1739"]
[PlyCount "76"]
[EventDate "2014.07.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. 0-0 d5 6. e5 Ne7 7. d4 cxd4 8. Nxd4 Ba6 9. Re1 c5 10. Nf3 Nf5 11. c3 Bb7 12. Bf4 Be7 13. Qa4+ Qd7 14. Qxd7+ Kxd7 15. Na3 h6 16. g4 Nh4 17. Nxh4 Bxh4 18. b4 Be7 19. Nc2 a5 20. Bd2 Bc6 21. a3 Rhb8 22. Rab1 Ba4 23. Ne3 axb4 24. axb4 d4 25. cxd4 cxd4 26. Nc4 Bc2 27. Ra1 Rxa1 28. Rxa1 Bxb4 29. Ra7+ Kc6 30. Rxf7 Kd5 31. Rc7 Bb3 32. Bxb4 Bxc4 33. Rc5+ Ke4 34. Rxc4 Kd3 35. Rc6 Rxb4 36. Rxe6 Ke2 37. Rd6 d3 38. f3 d2 0-1

[Event "Valladolid Para Club Piolin V"]
[Site "Valladolid"]
[Date "2014.07.05"]
[Round "3.1"]
[White "Costache, Bogdan Alexandru"]
[Black "Luke Brezmes, Cristofer"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "1739"]
[BlackElo "2090"]
[PlyCount "43"]
[EventDate "2014.07.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bg4 6. Ne5 Nbd7 7. Nxg4 Nxg4 8. e4 e5 9. Qxg4 exd4 10. Nb1 Qa5+ 11. Bd2 Qb6 12. Bc1 Qb4+ 13. Nd2 c3 14. bxc3 dxc3 15. Nb1 Ne5 16. Qf4 c2+ 17. Nd2 Qc3 18. Ra2 0-0-0 19. Be2 Rxd2 20. Qxd2 Bb4 21. Qxc3 Bxc3+ 22. Kf1 1-0

[Event "Valladolid Para Club Piolin V"]
[Site "Valladolid"]
[Date "2014.07.04"]
[Round "1.3"]
[White "Costache, Bogdan Alexandru"]
[Black "Martinez Fernandez, Raul"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "1739"]
[BlackElo "1923"]
[PlyCount "61"]
[EventDate "2014.07.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nd2 Bb4 5. a3 Nxd2 6. Bxd2 Bxd2+ 7. Qxd2 Nc6 8. f4 b6 9. Nf3 Qe7 10. b4 Bb7 11. e3 0-0-0 12. Be2 d6 13. exd6 Rxd6 14. Qc3 Re8 15. Kf2 Re6 16. Rhe1 a5 17. c5 Rxe3 18. Bd3 Nxb4 19. Bf5+ Re6 20. Bxe6+ fxe6 21. axb4 axb4 22. Qxb4 Rf8 23. Rab1 Bxf3 24. Kxf3 g5 25. g3 gxf4 26. gxf4 Qh4 27. cxb6 Qh3+ 28. Ke4 Qf5+ 29. Ke3 e5 30. bxc7 exf4+ 31. Kf2 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.05.19"]
[Round "11"]
[White "Fernandez de Pablo, Miguel Angel"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "2104"]
[BlackElo "1555"]
[PlyCount "85"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Nc6 7. 0-0 a6 8. Bxc6+ bxc6 9. Re1+ Be6 10. dxc5 Bxc5 11. Nb3 Bb6 12. Be3 0-0 13. Bxb6 Qxb6 14. Qd4 Rab8 15. Rab1 Bf5 16. Qxb6 Rxb6 17. Nfd4 Bg6 18. Nc5 Rb4 19. Nxc6 Rc4 20. Ne7+ Kh8 21. Nxg6+ hxg6 22. Nxa6 Ra8 23. b3 Rxc2 24. Nb4 Rd2 25. Red1 Re2 26. a4 Rb8 27. Kf1 Re4 28. Nc6 Rb6 29. Nd4 Rb4 30. Nc2 Rb8 31. Rd4 Rc8 32. Rd2 Rb8 33. b4 Rc4 34. f3 Rbc8 35. Rb2 d4 36. Nxd4 Nd5 37. b5 Rxa4 38. b6 Ne3+ 39. Kf2 Nc4 40. b7 Rb8 41. Nc6 Nxd2 42. Nxb8 Nc4 43. Nc6 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.05.12"]
[Round "10"]
[White "Costache, Bogdan Alexandru"]
[Black "Gamboa Torres, Luis Alejandro"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1555"]
[BlackElo "1836"]
[PlyCount "71"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[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 d5 4. Nf3 Bg7 5. e3 0-0 6. b3 c6 7. Bb2 Ng4 8. h3 Nh6 9. Bd3 Bf5 10. 0-0 Bxd3 11. Qxd3 e6 12. e4 dxe4 13. Nxe4 e5 14. Rad1 f5 15. Nc5 e4 16. Nxe4 fxe4 17. Qxe4 Re8 18. Qc2 Nd7 19. d5 c5 20. Bxg7 Kxg7 21. Qc3+ Qf6 22. Qc1 Nf7 23. Rfe1 h6 24. Qd2 Nd6 25. Re6 Qf8 26. Nh4 Nf6 27. Qd3 Nde4 28. f3 Rxe6 29. dxe6 Ng5 30. Qxg6+ Kh8 31. e7 Nxf3+ 32. gxf3 Qxe7 33. Qxh6+ Kg8 34. Nf5 Qf7 35. Re1 Nh5 36. Ne7+ 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.04.21"]
[Round "7"]
[White "Costache, Bogdan Alexandru"]
[Black "Martin De Aguilera del Amo, Jaim"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1555"]
[BlackElo "1693"]
[PlyCount "56"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. f4 e6 6. Nf3 Be7 7. Nc3 0-0 8. Be3 N8d7 9. Rc1 Nf6 10. Bd3 Ng4 11. Qd2 Nxe3 12. Qxe3 c6 13. 0-0 Nd7 14. Rfd1 Qa5 15. Kh1 Nf6 16. e5 Nd5 17. Qe4 f5 18. exf6 Nxf6 19. Qe2 Ng4 20. Bc4 Qf5 21. h3 Nf6 22. Nh4 Qxf4 23. Bxe6+ Kh8 24. Bxc8 Bd6 25. g4 Raxc8 26. Qd2 Qg3 27. Nf5 Qxh3+ 28. Kg1 Qxg4+ 0-1

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.04.14"]
[Round "6"]
[White "Costache, Bogdan Alexandru"]
[Black "Garcia Serrano, Juan Bautista"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1555"]
[PlyCount "43"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 Bg4 5. Ne5 Be6 6. cxd5 cxd5 7. Qb3 b6 8. Bg5 Nbd7 9. Nc6 Qc7 10. Qa4 Ng4 11. h3 Ngf6 12. e3 h6 13. Bxf6 Nxf6 14. Nb5 Qxc6 15. Nc7+ Kd7 16. Bb5 Qxb5 17. Nxb5 Kc8 18. Rc1+ Kb7 19. Rc7+ Kb8 20. Rxa7 Rxa7 21. Qxa7+ Kc8 22. Qc7# 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.04.07"]
[Round "5"]
[White "Ampudia Asensio, Jose Luis"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1686"]
[BlackElo "1555"]
[PlyCount "35"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 Nf6 4. Nc3 g6 5. e4 Bg7 6. Bd3 0-0 7. Nf3 e6 8. 0-0 exd5 9. exd5 Bg4 10. h3 Bxf3 11. Qxf3 Re8 12. Bf4 Nh5 13. Bh2 Be5 14. Ne4 Nd7 15. Be2 Nhf6 16. Nxf6+ Qxf6 17. Qxf6 Nxf6 18. Bd3 1/2-1/2

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.03.24"]
[Round "3"]
[White "Villamanan Alonso, Carlos"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1817"]
[BlackElo "1555"]
[PlyCount "123"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. 0-0 Bd6 11. h3 Bh5 12. Re1 0-0 13. b4 Nd5 14. Bd2 Qf6 15. Be4 h6 16. Rb1 Bg6 17. c4 Nf4 18. Ne5 Qg5 19. Bxf4 Qxf4 20. g3 Qg5 21. h4 Qe7 22. Nxg6 fxg6 23. Bxg6 Bxb4 24. Re2 Rad8 25. Qb3 c5 26. d5 Rf6 27. h5 Qd7 28. dxe6 Rxe6 29. Bf5 Rxe2 30. Bxd7 Rxd7 31. a3 Be1 32. Rb2 Bxf2+ 33. Kf1 Rxb2 34. Qxb2 Bxg3 35. Qb5 Rc7 36. Qe8+ Kh7 37. Qg6+ Kg8 38. Qxg3 Rf7+ 39. Kg2 Rf5 40. Qb8+ Kh7 41. Qxb7 Rxh5 42. Qxa7 Rg5+ 43. Kf3 h5 44. Qe7 Kh6 45. a4 h4 46. Kf4 Rh5 47. Qd6+ g6 48. Qf8+ Kh7 49. Qf7+ Kh6 50. Qg8 Rf5+ 51. Kg4 Rg5+ 52. Kxh4 Rh5+ 53. Kg4 Rg5+ 54. Kf4 Rf5+ 55. Ke4 Rf1 56. Qh8+ Kg5 57. a5 Rf4+ 58. Kd5 Rf5+ 59. Kc6 Kf4 60. Qh6+ g5 61. a6 Ke5 62. Qg7+ 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.03.17"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Torrego Diez, Ignacio"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1555"]
[PlyCount "81"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bb4 5. Nd5 Nxd5 6. Bxd5 d6 7. e3 Be6 8. Bxe6 fxe6 9. a3 Ba5 10. b4 Bb6 11. Ne2 d5 12. c5 Bxc5 13. bxc5 b6 14. cxb6 axb6 15. Bb2 Rg8 16. 0-0 e4 17. Nf4 Qe7 18. Qc2 Qd6 19. Rfc1 Kd7 20. Nh5 Rgf8 21. Bxg7 Rf7 22. Nf6+ Rxf6 23. Bxf6 Ra5 24. Qd1 Qf8 25. Bc3 Qf3 26. Bxa5 Qxd1+ 27. Rxd1 bxa5 28. d3 exd3 29. Rxd3 Ne5 30. Rc3 Nf3+ 31. Kg2 Ne5 32. Rac1 c6 33. f4 Nf7 34. Rxc6 Nd6 35. Rc7+ Kd8 36. Rxh7 Nb5 37. Rb1 Kc8 38. Rxb5 a4 39. Rbb7 d4 40. Rbg7 dxe3 41. Rh8# 1-0

[Event "Valladolid Piolin op"]
[Site "Valladolid"]
[Date "2013.03.10"]
[Round "1"]
[White "Fernandez Velasquez, Julian Felix"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "1868"]
[BlackElo "1555"]
[PlyCount "78"]
[EventDate "2013.03.10"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 Be7 6. Nbd2 0-0 7. Qe2 d6 8. b3 Nbd7 9. Bb2 c5 10. Rad1 Qc7 11. Ng5 h6 12. Nge4 Nxe4 13. Nxe4 f5 14. Nd2 e5 15. c3 a6 16. f3 Kh8 17. e4 fxe4 18. Nxe4 Nf6 19. Ng3 Nd5 20. Qe4 Nf6 21. Qg6 d5 22. dxe5 Qxe5 23. Rfe1 Qc7 24. Nf5 Bd6 25. Re7 Qxe7 26. Nxe7 Bxe7 27. Re1 Rae8 28. Re6 Kg8 29. Rxf6 Bxf6 30. Qh7+ Kf7 31. Bg6+ Ke7 32. Bxe8 Rxe8 33. Qd3 b5 34. Bc1 c4 35. bxc4 dxc4 36. Ba3+ Ke6 37. Qd6+ Kf5 38. Qd7+ Re6 39. g4+ Ke5 1-0

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.05"]
[Round "7"]
[White "Costache, Bogdan Alexandru"]
[Black "Garcia Corada, Pedro"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1512"]
[BlackElo "2012"]
[PlyCount "106"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[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 d6 5. Nf3 0-0 6. Be2 c6 7. 0-0 Nbd7 8. Be3 Qc7 9. h3 h6 10. d5 Nc5 11. Bxc5 dxc5 12. e5 Ne8 13. dxc6 Qxc6 14. Nd5 Qd7 15. Nc3 Nc7 16. Qxd7 Bxd7 17. Rad1 Rad8 18. Nd5 Nxd5 19. Rxd5 Bc6 20. Rxc5 Rd7 21. Rd1 Rxd1+ 22. Bxd1 Rd8 23. Be2 e6 24. b4 a6 25. b5 Bf8 26. bxc6 Bxc5 27. cxb7 Rb8 28. Nd2 Rxb7 29. Nb3 Bb4 30. c5 a5 31. c6 Rc7 32. Bb5 Kf8 33. Kf1 Ra7 34. a4 g5 35. Nc1 Ke7 36. Nd3 Bc3 37. g3 Kd8 38. f4 gxf4 39. gxf4 Bd4 40. Ke2 Kc7 41. f5 Kb6 42. fxe6 fxe6 43. Kf3 Bc3 44. Ke4 Rg7 45. Nf4 Rg5 46. Nxe6 Rxe5+ 47. Kd3 Rxe6 48. Kxc3 Re3+ 49. Kd4 Rxh3 50. Ke4 Rb3 51. Kf5 h5 52. Kg5 Rxb5+ 53. axb5 a4 0-1

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.05"]
[Round "6"]
[White "Diez Villace, Victor"]
[Black "Costache, Bogdan Alexandru"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1586"]
[BlackElo "1512"]
[PlyCount "46"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. b3 Bg7 5. Nc3 d6 6. Bb2 e5 7. fxe5 Nxe5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. Nxe5 Bxe5 11. Qe2 Ne7 12. 0-0-0 0-0 13. Kb1 a6 14. Na4 Bxb2 15. Kxb2 Qc6 16. Qf3 b5 17. Qxc6 Nxc6 18. Nb6 Rad8 19. Nd5 Kg7 20. Rhf1 Rfe8 21. Rf2 f5 22. h3 Re5 23. Nc3 d5 1/2-1/2

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.04"]
[Round "5"]
[White "Costache, Bogdan Alexandru"]
[Black "Torralbo Asagra, Jaime Andres"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1512"]
[BlackElo "1734"]
[PlyCount "178"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 c6 4. Nc3 Nf6 5. e3 Be7 6. Bd3 Nbd7 7. 0-0 0-0 8. b3 b6 9. Bb2 Bb7 10. e4 dxe4 11. Nxe4 c5 12. Qc2 h6 13. Rad1 Qc7 14. dxc5 bxc5 15. Rd2 Qf4 16. Re1 Rad8 17. Nxf6+ Bxf6 18. Be4 Bxe4 19. Qxe4 Qxe4 20. Rxe4 Bxb2 21. Rxb2 Nf6 22. Re1 Rd6 23. Rd2 Rfd8 24. Red1 Rxd2 25. Rxd2 Rc8 26. Kf1 Kf8 27. Ke2 Ke7 28. Ke3 Nd7 29. Kd3 a5 30. Kc3 e5 31. a3 Rb8 32. Rb2 e4 33. Nd2 f5 34. b4 a4 35. Nf1 Ne5 36. Ne3 Ke6 37. b5 Nd3 38. Rd2 f4 39. Nd5 Ke5 40. f3 Nc1 41. fxe4 Kxe4 42. Rc2 Nb3 43. Re2+ Kf5 44. Ne7+ Kg4 45. Nc6 Rb6 46. Ne5+ Kf5 47. Nd7 Re6 48. Rxe6 Kxe6 49. Nb6 Kd6 50. Nxa4 Na5 51. Nb6 g5 52. Kd3 Ke5 53. Nd7+ Kd6 54. Nf6 Ke6 55. Ne4 Nb7 56. a4 g4 57. a5 Nxa5 58. Nxc5+ Kd6 59. Ne4+ Kc7 60. Nf6 f3 61. gxf3 gxf3 62. Ne4 Kb6 63. Kc3 Nb7 64. Kd3 Na5 65. Nd2 Kc5 66. Ke3 Nb7 67. Kxf3 Kd4 68. Ke2 h5 69. Kf3 Kc3 70. Ne4+ Kxc4 71. Nf6 Kxb5 72. Nxh5 Kc5 73. Kf4 Kd5 74. Kg5 Ke5 75. h4 Nd6 76. Ng7 Ne4+ 77. Kg6 Ng3 78. Ne8 Ke6 79. Kg5 Kf7 80. Nd6+ Kg7 81. Kg4 Ne2 82. h5 Kh7 83. Nf7 Kg7 84. Nd6 Kh6 85. Nf5+ Kh7 86. Kg5 Nc3 87. Nd6 Nd5 88. Nf5 Nc7 89. Kf6 Nd5+ 1/2-1/2

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.04"]
[Round "3"]
[White "Santos Martinez, Guillermo"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1666"]
[BlackElo "1512"]
[PlyCount "108"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf6 Nxf6 8. Rc1 Bb4 9. Qc2 Qxa2 10. cxd5 Nxd5 11. Bd3 Nxc3 12. bxc3 Qxc2 13. Rxc2 Bd6 14. 0-0 0-0 15. e4 b5 16. e5 Be7 17. Be4 Bb7 18. Ra2 a5 19. Rfa1 a4 20. c4 Rfb8 21. c5 f5 22. Bc2 g5 23. h3 h5 24. Kf1 g4 25. hxg4 hxg4 26. Ng1 Rd8 27. Rd1 Ba6 28. Ke1 Bg5 29. g3 Rd7 30. Ne2 Kf7 31. Kf1 Rad8 32. Kg2 b4 33. Bd3 Bxd3 34. Rxd3 a3 35. Rb3 Rb8 36. Raxa3 bxa3 37. Rxb8 Ra7 38. Rb1 a2 39. Ra1 Bd2 40. Kf1 Ke7 41. Kg2 Kd7 42. Kf1 Kc7 43. Kg2 Ra3 44. Kf1 Kb7 45. Kg2 Ka6 46. Kf1 Kb5 47. Kg2 Kb4 48. d5 cxd5 49. c6 Kb3 50. Nd4+ Kb2 51. Nc2 Rc3 52. c7 Rxc2 53. Rd1 Ba5 54. Rd2 Bxd2 0-1

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.03"]
[Round "2"]
[White "Costache, Bogdan Alexandru"]
[Black "Diez Antolin, Victor"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1512"]
[PlyCount "133"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[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. e3 g6 4. Nc3 cxd4 5. exd4 Bg7 6. Nf3 0-0 7. Be2 d6 8. 0-0 b6 9. h3 Bb7 10. Be3 Nbd7 11. Qd2 Ne4 12. Nxe4 Bxe4 13. Bh6 Qc7 14. Bxg7 Kxg7 15. b3 e6 16. Rfe1 d5 17. Ng5 Nf6 18. Bd3 Bxd3 19. Qxd3 Qf4 20. Nf3 Ne4 21. Qe3 Qxe3 22. fxe3 Rac8 23. Rac1 f6 24. Re2 Rf7 25. Nd2 Ng3 26. Rf2 h5 27. Nf1 Ne4 28. Re2 Rfc7 29. Rec2 g5 30. Kh2 Kg6 31. Ng3 Nd6 32. c5 bxc5 33. Rxc5 Rxc5 34. Rxc5 f5 35. Rxc8 Nxc8 36. Ne2 Ne7 37. b4 Nc6 38. b5 Na5 39. Kg3 Kf7 40. Nc3 h4+ 41. Kf3 Ke7 42. g4 hxg3 43. Kxg3 Nc4 44. Nd1 Na3 45. Nc3 Kd7 46. h4 gxh4+ 47. Kxh4 Kd6 48. Kg5 Ke7 49. Kf4 Nc4 50. a4 Nb6 51. a5 Nc4 52. b6 axb6 53. a6 b5 54. a7 Nb6 55. Nxb5 Kf6 56. Nc7 Ke7 57. a8Q Nxa8 58. Nxa8 Kd6 59. Nb6 Ke7 60. Ke5 Kf7 61. Nxd5 exd5 62. Kxd5 Kf6 63. Kc6 Ke7 64. d5 Kd8 65. Kd6 Ke8 66. Kc7 Ke7 67. d6+ 1-0

[Event "Valladolid Aficionados op 3rd"]
[Site "Valladolid"]
[Date "2012.08.03"]
[Round "1"]
[White "Gamboa Torres, Luis Alejandro"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1839"]
[BlackElo "1512"]
[PlyCount "91"]
[EventDate "2012.08.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. Be2 Be7 8. 0-0 0-0 9. Re1 Bd7 10. Ne5 Bd6 11. f4 Qb6 12. c5 Bxc5 13. dxc5 Qxc5+ 14. Kh1 Rfd8 15. Bf3 d4 16. Ne4 Nxe4 17. Bxe4 Nxe5 18. fxe5 Bc6 19. Bxc6 bxc6 20. Bf4 Qb4 21. Qb3 a5 22. Qxb4 axb4 23. a3 b3 24. Rac1 Rac8 25. Rc5 f6 26. exf6 gxf6 27. Rxe6 d3 28. Bd2 Rd5 29. Rc3 c5 30. Rxb3 c4 31. Rb7 Re5 32. Rxe5 fxe5 33. Kg1 e4 34. Kf2 Rf8+ 35. Ke3 Rf1 36. Kxe4 Rf2 37. Bc3 Rxg2 38. a4 Rxh2 39. a5 Rh4+ 40. Kf5 Rh5+ 41. Ke6 Rh6+ 42. Bf6 Rxf6+ 43. Kxf6 h5 44. Kg6 Kf8 45. Kxh5 d2 46. Rd7 1-0

[Event "Valladolid Social Federado Piolin"]
[Site "Valladolid"]
[Date "2012.05.31"]
[Round "6.9"]
[White "Borislavov Yordanov, Sasho"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "D45"]
[BlackElo "1483"]
[PlyCount "125"]
[EventDate "2012.05.14"]
[EventType "tourn"]
[EventRounds "17"]
[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 d5 4. e3 c6 5. a3 Nbd7 6. Nf3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. 0-0 a6 10. h3 c5 11. Ne5 Qc7 12. Nxd7 Nxd7 13. d5 exd5 14. Nxd5 Bxd5 15. Qxd5 Nb6 16. Qe4+ Be7 17. Bf3 0-0 18. b3 Bf6 19. Rb1 Rfe8 20. Qg4 Rad8 21. e4 c4 22. Bf4 Be5 23. Bxe5 Qxe5 24. bxc4 Nxc4 25. Ra1 Nd2 26. Rfe1 Nb3 27. Ra2 Nc5 28. Rc2 Qe7 29. Qf5 Nd3 30. Ra1 g6 31. Qg4 Ne5 32. Qf4 Nxf3+ 33. gxf3 Qe6 34. Kg2 Qb3 35. Rca2 a5 36. Qf6 b4 37. axb4 axb4 38. Rb2 Qc3 39. Qxc3 bxc3 40. Rc2 Rd3 41. Ra3 Rc8 42. Kg3 f6 43. h4 Kf7 44. Kf4 Ke6 45. Ra6+ Rd6 46. Rxd6+ Kxd6 47. Ke3 Ke5 48. f4+ Ke6 49. Kd3 h6 50. Rxc3 Rxc3+ 51. Kxc3 g5 52. fxg5 fxg5 53. h5 Ke5 54. Kd3 Kf4 55. Kd4 Kg4 56. Kd5 Kxh5 57. e5 Kh4 58. e6 h5 59. e7 Kh3 60. e8Q h4 61. Qe3+ Kg4 62. Ke4 h3 63. Qg3+ 1-0

[Event "Valladolid Social Federado Piolin"]
[Site "Valladolid"]
[Date "2012.05.24"]
[Round "4.8"]
[White "Iglesias Pascual, Juan Abel"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1483"]
[PlyCount "68"]
[EventDate "2012.05.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. f4 d5 3. Nf3 e6 4. Nc3 c5 5. e3 Nc6 6. Bb5 Be7 7. Bxc6+ bxc6 8. Ne5 Qc7 9. Na4 cxd4 10. exd4 0-0 11. 0-0 c5 12. Be3 cxd4 13. Bxd4 Bd7 14. Nc3 Bc5 15. Nf3 Bxd4+ 16. Nxd4 Rab8 17. g4 Rxb2 18. Rb1 Qxc3 19. Rf3 Rxb1 20. Rxc3 Rxd1+ 21. Kg2 Rxd4 22. g5 Nh5 23. Rc7 Nxf4+ 24. Kf3 Bb5 25. Ke3 Re4+ 26. Kf3 Be2+ 27. Kg3 Nh5+ 28. Kf2 Rc4 29. Rxa7 Rxc2 30. Ke1 Bc4 31. Kd1 Re2 32. g6 hxg6 33. a4 Rb8 34. a5 Rb1# 0-1

[Event "Valladolid Social Federado Piolin"]
[Site "Valladolid"]
[Date "2012.05.21"]
[Round "3.3"]
[White "Costache, Bogdan Alexandru"]
[Black "Sashov Yordanov, Yonatan"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "1483"]
[PlyCount "61"]
[EventDate "2012.05.14"]
[EventType "tourn"]
[EventRounds "17"]
[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. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 b6 7. Bxf6 Bxf6 8. cxd5 exd5 9. b4 0-0 10. Nf3 c6 11. Be2 Qd7 12. 0-0 Ba6 13. a4 Bxe2 14. Qxe2 a6 15. Rac1 Be7 16. Ne5 Qd8 17. b5 axb5 18. axb5 c5 19. dxc5 bxc5 20. Rfd1 Qc7 21. Rxd5 Bd6 22. Nf3 Re8 23. g3 Be5 24. Nxe5 Rxe5 25. Qd3 Nd7 26. Rxd7 Qb8 27. Rd1 Re8 28. Qd5 Qc8 29. Ne4 c4 30. Qxf7+ Kh8 31. Qxg7# 1-0

[Event "Valladolid Social Federado Piolin"]
[Site "Valladolid"]
[Date "2012.05.17"]
[Round "2.7"]
[White "Garcia Corada, Pedro"]
[Black "Costache, Bogdan Alexandru"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2027"]
[BlackElo "1483"]
[PlyCount "33"]
[EventDate "2012.05.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Bg6 8. 0-0 Nc6 9. c4 Nxe5 10. cxd5 Qxd5 11. Nc3 Qd8 12. Qa4+ Nd7 13. Rad1 Ngf6 14. Bg5 Be7 15. Bxf6 Bxf6 16. Nb3 e5 17. Rxd7 1-0

[Event "Valladolid Social Federado Piolin"]
[Site "Valladolid"]
[Date "2012.05.14"]
[Round "1.4"]
[White "Costache, Bogdan Alexandru"]
[Black "Cernuda Orejas, Victor Manuel"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1483"]
[BlackElo "1952"]
[PlyCount "84"]
[EventDate "2012.05.14"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. e4 Nc6 3. g3 Nd4 4. Bg2 e5 5. Ne2 d6 6. 0-0 Bg4 7. Nbc3 h5 8. h3 Bxe2 9. Nxe2 g5 10. Nxd4 cxd4 11. Qa4+ Qd7 12. Qxd7+ Kxd7 13. d3 Bh6 14. b4 g4 15. h4 Ne7 16. f4 Nc6 17. a3 Raf8 18. f5 Be3+ 19. Bxe3 dxe3 20. Rfe1 Nd4 21. Ra2 e2 22. Raxe2 Nxe2+ 23. Rxe2 b5 24. Rc2 Rc8 25. a4 a5 26. axb5 axb4 27. Rb2 Kc7 28. Rxb4 Kb6 29. Kf2 Ra8 30. Ke3 Ra1 31. Rb2 Rha8 32. Kf2 R8a3 33. Rd2 Kc5 34. Ke3 Re1+ 35. Kf2 Raa1 36. Re2 Rxe2+ 37. Kxe2 Ra2+ 38. Kf1 Kd4 39. Kg1 Kxd3 40. Bf1+ Kxe4 41. b6 Rb2 42. b7 Kd4 0-1

[Event "Valladolid op"]
[Site "Valladolid"]
[Date "2012.03.29"]
[Round "7"]
[White "Vizcaino Hernandez, Fernando"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1596"]
[BlackElo "1480"]
[PlyCount "47"]
[EventDate "2012.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e4 g6 4. Be2 Bg7 5. 0-0 e6 6. c3 d6 7. d4 cxd4 8. Nxd4 Nge7 9. Bb5 Bd7 10. Nxc6 Bxc6 11. Bxc6+ bxc6 12. Kh1 0-0 13. Nd2 f5 14. Nc4 d5 15. exd5 cxd5 16. Ne5 Bxe5 17. fxe5 Kg7 18. Bg5 h6 19. Bf6+ Rxf6 20. exf6+ Kxf6 21. Qd4+ e5 22. Qh4+ Kg7 23. Rad1 g5 24. b3 0-1

[Event "Valladolid op"]
[Site "Valladolid"]
[Date "2012.03.22"]
[Round "6"]
[White "Valverde Lujan, Cesar"]
[Black "Costache, Bogdan Alexandru"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1890"]
[BlackElo "1480"]
[PlyCount "36"]
[EventDate "2012.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 d5 6. Nxc6 bxc6 7. e3 Bd6 8. Bd3 0-0 9. 0-0 Bxh2+ 10. Kh1 Ng4 11. g3 Nxf2+ 12. Rxf2 Bxg3 13. Rg2 Qh4+ 14. Kg1 Bh3 15. Rc2 f5 16. cxd5 Rf6 17. Qf3 Rg6 18. Bxf5 Bf2+ 0-1

[Event "Valladolid op"]
[Site "Valladolid"]
[Date "2012.03.15"]
[Round "5"]
[White "Costache, Bogdan Alexandru"]
[Black "Sashov Yordanov, Yonatan"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1480"]
[PlyCount "75"]
[EventDate "2012.02.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ESP"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bf5 5. Bxc4 e6 6. Nc3 h6 7. 0-0 Be7 8. Qe2 0-0 9. Rd1 Nc6 10. e4 Bg6 11. d5 exd5 12. e5 Ng4 13. h3 Ngxe5 14. Nxe5 Qd6 15. Rxd5 Nd4 16. Qd1 Qf6 17. Qxd4 a6 18. Nxg6 Qxg6 19. Bd3 Qf6 20. Ne4 Qxd4 21. Rxd4 Rfd8 22. Be3 Rxd4 23. Bxd4 Rd8 24. Bc5 Bf8 25. Rd1 Rd5 26. Nf6+ gxf6 27. Bh7+ Kxh7 28. Rxd5 c6 29. Rd7 Bxc5 30. Rxf7+ Kg6 31. Rxb7 Bd4 32. b4 c5 33. bxc5 Bxc5 34. g4 Kg5 35. Kg2 Kh4 36. Rd7 h5 37. Rh7 Bf8 38. Rxh5# 1-0

