[Event "Catalan-ch U10/20"]
[Site "Tarragona"]
[Date "2022.04.09"]
[Round "1"]
[White "Funes Ostos, Aitor"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2086"]
[BlackElo "1561"]
[PlyCount "81"]
[EventDate "2022.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 g6 3. d3 Nf6 4. Nc3 d6 5. g3 Bg7 6. Bg2 Nc6 7. Bd2 e5 8. Rb1 0-0 9. 0-0 Re8 10. b4 e4 11. Ng5 h6 12. Nh3 Kh7 13. Nf4 exd3 14. Nxd3 Ne4 15. Nxe4 fxe4 16. Nf4 Bf5 17. Be3 Ne5 18. Qb3 c6 19. h3 Qe7 20. g4 Be6 21. Bxe4 Bxc4 22. Bxg6+ Nxg6 23. Qxc4 Nxf4 24. Qxf4 Rf8 25. Qg3 Rae8 26. Rbd1 Be5 27. Qg2 d5 28. b5 Qg7 29. Bc5 Rf7 30. bxc6 bxc6 31. e3 Qg6 32. f4 Bb8 33. Rc1 Qe4 34. Qxe4+ Rxe4 35. Rb1 Rc4 36. Rfc1 Rxc1+ 37. Rxc1 Rb7 38. Bd4 Rb4 39. Rxc6 Ra4 40. f5 Rxa2 41. Rc8 1-0

[Event "Badalona Castella op-B 45th"]
[Site "Badalona"]
[Date "2019.08.03"]
[Round "2.11"]
[White "Fernandez Egea, Andres"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1865"]
[BlackElo "1662"]
[PlyCount "31"]
[EventDate "2019.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. cxd5 Nxd5 6. Nc3 e6 7. Nf3 Bb4 8. Bd2 0-0 9. Bd3 Nc6 10. 0-0 Nb6 11. Bxh7+ Kxh7 12. Ng5+ Kg8 13. Qh5 Re8 14. Qxf7+ Kh8 15. Nce4 Qxd4 16. Qxe8+ 1-0

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.19"]
[Round "7"]
[White "Costa Frers, Octavi"]
[Black "Muhammad, Qasim"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1514"]
[BlackElo "1905"]
[PlyCount "51"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nc6 5. Bf4 Bg4 6. Ne5 Nxe5 7. Bxe5 Qb6 8. Qa4+ Bd7 9. Qb3 Nh6 10. e3 e6 11. Nc3 Bb4 12. Bxg7 Rg8 13. Bxh6 e5 14. dxe5 Bxc3+ 15. bxc3 Qxh6 16. Qxb7 Rd8 17. Qxa7 Rg6 18. Rb1 Qg5 19. Qd4 Bf5 20. Rb2 Be4 21. Qc5 f5 22. Rb7 Rg7 23. Bb5+ Rgd7 24. Bxd7+ Rxd7 25. Qc8+ Qd8 26. Qxd7+ 1-0

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.18"]
[Round "6"]
[White "Serentill Tost, Eduard"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1714"]
[BlackElo "1514"]
[PlyCount "78"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Ng5 Qd5 7. Qe2 Bf5 8. Qc4 h6 9. Qxd5 cxd5 10. Bb5+ Nc6 11. Nh3 g5 12. Ng1 Bg7 13. Ne2 Bxe5 14. 0-0 0-0 15. Nc3 e6 16. Re1 Bg7 17. Ne2 Rac8 18. c3 Bg6 19. a3 f5 20. Ba4 e5 21. b4 d4 22. Bb2 Rfd8 23. Bb3+ Bf7 24. Bxf7+ Kxf7 25. Ng3 Kg6 26. c4 d3 27. Rac1 Nd4 28. Bxd4 exd4 29. c5 Re8 30. b5 Re5 31. c6 bxc6 32. a4 c5 33. Rc4 Rce8 34. Rec1 Bf8 35. Kf1 f4 36. Nh1 e3 37. fxe3 fxe3 38. Ke1 exd2+ 39. Kxd2 Re2+ 0-1

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.17"]
[Round "5"]
[White "Costa Frers, Octavi"]
[Black "Castro Estrella, Joan Gabriel"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "1514"]
[BlackElo "1721"]
[PlyCount "109"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 a6 12. 0-0-0 h6 13. Be3 f5 14. Bd3 b6 15. Rdg1 f4 16. Bd2 c6 17. Bc4 b5 18. Bb3 c5 19. g3 c4 20. Bd1 g5 21. g4 Bf6 22. h4 Kg7 23. hxg5 hxg5 24. Rh5 Kg6 25. Rgh1 Bxg4 26. Rh7 Bg7 27. Nxe5+ Rxe5 28. Bxg4 Rxe4 29. d6 Nc6 30. Bf3 Re6 31. Bxc6 Rd8 32. f3 Rexd6 33. Be4+ Kf7 34. Bc3 Rg8 35. R1h5 b4 36. Bxb4 Rd4 37. Bc3 Rxe4 38. fxe4 f3 39. Rxg7+ Rxg7 40. Bxg7 f2 41. Rh1 g4 42. Be5 Ke6 43. Bg3 c3 44. bxc3 a5 45. Rf1 a4 46. Rxf2 a3 47. Rd2 Ke7 48. c4 Kf6 49. c5 Kg5 50. c6 Kh6 51. c7 Kg6 52. c8Q Kg5 53. Qf5+ Kh6 54. Be5 g3 55. Rd6# 1-0

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.16"]
[Round "4"]
[White "Palau Soriano, Ricard"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1719"]
[BlackElo "1514"]
[PlyCount "43"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 cxd4 9. exd4 Nd7 10. Bxd6 Re8 11. Bg3 e5 12. dxe5 Ndxe5 13. Nxe5 Nxe5 14. Bxe5 Rxe5+ 15. Kf1 Qb6 16. Qc2 g6 17. Nf3 Re6 18. h4 Rf6 19. h5 Bg4 20. hxg6 hxg6 21. Nd4 Rc8 22. Qd2 1-0

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.15"]
[Round "3"]
[White "Costa Frers, Octavi"]
[Black "Carulla Pons, Carlos"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1514"]
[BlackElo "1743"]
[PlyCount "76"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. e4 0-0 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Bg5 Re8 10. Nd5 Nxd5 11. cxd5 f6 12. Be3 Bf8 13. 0-0-0 Nd7 14. Bc4 Kg7 15. h4 h5 16. Nd2 Bc5 17. Bxc5 Nxc5 18. b4 Nd7 19. f3 a5 20. b5 Nb6 21. Be2 Bd7 22. g4 c6 23. bxc6 bxc6 24. d6 a4 25. gxh5 gxh5 26. Rdg1+ Kh6 27. Nc4 Nxc4 28. Bxc4 Be6 29. Bxe6 Rxe6 30. Rg3 Rxd6 31. Rhg1 Ra7 32. Rg6+ Kh7 33. f4 Rd4 34. Rxf6 Rxe4 35. Rf5 Kh6 36. Rf6+ Kh7 37. Rf5 Rc4+ 38. Kb1 Rb7+ 1/2-1/2

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.14"]
[Round "2"]
[White "Munoz Lozano, Jorge Manuel"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1792"]
[BlackElo "1514"]
[PlyCount "108"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. d4 dxc4 5. e4 b5 6. Be2 e6 7. Bg5 Be7 8. e5 Nd5 9. Bxe7 Qxe7 10. Ne4 0-0 11. 0-0 Nd7 12. a4 N7b6 13. b3 cxb3 14. axb5 Bd7 15. Re1 cxb5 16. Qxb3 Qb4 17. Reb1 Qxb3 18. Rxb3 a6 19. Nc5 Rfc8 20. Ng5 Bc6 21. Nge4 Nc4 22. Bxc4 bxc4 23. Rba3 Nb4 24. Rc3 Bxe4 25. Nxe4 Nd5 26. Rca3 c3 27. Nc5 Rc6 28. Rb3 a5 29. Rxa5 Rac8 30. Ra2 Rb6 31. Rxb6 Nxb6 32. Kf1 Nd5 33. g3 g6 34. Rc2 Rb8 35. Ke2 Rb2 36. Kd1 Rb4 37. Nd7 Rxd4+ 38. Ke2 Kg7 39. h3 Nb4 40. Rxc3 Rxd7 41. f4 Nd5 42. Rc4 Rb7 43. Kf2 Rb2+ 44. Kf3 Rb3+ 45. Kf2 Rc3 46. Ra4 Rb3 47. Rc4 Rb4 48. Rc2 Rb3 49. Rc4 Ne3 50. Re4 Nf5 51. g4 Nh4 52. Rc4 Rxh3 53. Rc7 Rf3+ 54. Ke2 Rxf4 0-1

[Event "Barcelona Sant Marti op-B 21st"]
[Site "Barcelona"]
[Date "2019.07.13"]
[Round "1"]
[White "Costa Frers, Octavi"]
[Black "Albero Figueras, Emilio"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "1514"]
[BlackElo "1853"]
[PlyCount "62"]
[EventDate "2019.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. d3 Nf6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 c6 7. d4 h6 8. Bf4 Bd6 9. Bxd6 Qxd6 10. e3 0-0 11. Bd3 f4 12. 0-0 fxe3 13. fxe3 Bg4 14. e4 dxe4 15. Bxe4 Nxe4 16. Nxe4 Qd5 17. Nc3 Qc4 18. Qb3 Qxb3 19. axb3 Bxf3 20. Rxf3 Rxf3 21. gxf3 Nd7 22. Kf2 Nb6 23. Ne4 a6 24. Nc5 Rb8 25. Rg1 Kf7 26. Rg4 Nd5 27. Nd7 Re8 28. Ne5+ Kg8 29. h4 c5 30. Nc4 Nf6 31. Rf4 cxd4 1/2-1/2

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.06.22"]
[Round "9"]
[White "Morales Rubiella, Albert"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1455"]
[BlackElo "1571"]
[PlyCount "62"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Bd2 c5 10. Ne2 Bxd2 11. Nxd2 cxd4 12. Nxd4 Bg6 13. Rc1 e5 14. N4f3 Nc6 15. Qe2 Bh5 16. e4 Nd4 17. Qd3 Nxf3+ 18. Nxf3 Qxd3 19. Bxd3 Bxf3 20. gxf3 Rfd8 21. Rfd1 Nh5 22. Bb5 Nf4 23. Kf1 a6 24. Bc4 g6 25. Be2 Rac8 26. Rxd8+ Rxd8 27. Rc7 Rd2 28. Rxb7 Rxe2 29. Rb6 Kg7 30. Rxa6 Rxb2 31. Ke1 Nd3+ 0-1

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.06.08"]
[Round "7"]
[White "Costa Frers, Octavi"]
[Black "Quintana Griera, David"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1571"]
[BlackElo "1774"]
[PlyCount "81"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Bb4 4. Nd5 d6 5. a3 Ba5 6. b4 Bb6 7. d3 Nge7 8. Nxb6 axb6 9. Bb2 0-0 10. b5 Na5 11. g3 f5 12. e3 f4 13. exf4 exf4 14. Bg2 Bg4 15. 0-0 Nf5 16. Bc1 fxg3 17. fxg3 Qf6 18. Bf4 g5 19. Bxg5 Bxf3 20. Qxf3 Qxg5 21. Qd5+ Kg7 22. Rf4 Kg6 23. Be4 Rf6 24. Raf1 Raf8 25. g4 h5 26. h3 Kh6 27. Rxf5 Rxf5 28. Bxf5 Qe3+ 29. Rf2 Qg3+ 30. Rg2 Qe1+ 31. Kh2 Qe5+ 32. Qxe5 dxe5 33. Re2 hxg4 34. hxg4 Re8 35. Be4 c5 36. bxc6 bxc6 37. Rb2 Kg5 38. Rxb6 Kxg4 39. c5 Kf4 40. Kg2 Ke3 41. Kf1 1-0

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.06.01"]
[Round "6"]
[White "Oliver Monfort, Sergio"]
[Black "Costa Frers, Octavi"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1822"]
[BlackElo "1571"]
[PlyCount "82"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. h3 Bf5 6. Qe2 e6 7. d3 Nxc3 8. bxc3 c5 9. Bd2 Nc6 10. g3 Be7 11. Bg2 0-0 12. 0-0 Qc7 13. Bf4 b5 14. Rfb1 Rfb8 15. Rb2 c4 16. Nd4 Nxd4 17. cxd4 cxd3 18. cxd3 Qc3 19. Rc1 Qxd3 20. Qxd3 Bxd3 21. Rc7 Kf8 22. Bf1 Bc4 23. Bxc4 bxc4 24. Rxa7 c3 25. Rbb7 Bd8 26. Rxf7+ Ke8 27. Rxg7 Rxa7 28. Rxa7 Rb1+ 29. Kg2 c2 30. a4 c1Q 31. Bxc1 Rxc1 32. a5 Ra1 33. a6 Bb6 34. Rxh7 Rxa6 35. Rh4 Ra4 36. Rf4 Rxd4 37. Rxd4 Bxd4 38. f4 Bc5 39. Kf3 Kf7 40. Ke2 Kg6 41. g4 Be7 1/2-1/2

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.05.25"]
[Round "5"]
[White "Costa Frers, Octavi"]
[Black "Valeriano Guell, Joan"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1571"]
[BlackElo "1168"]
[PlyCount "59"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. Nc3 e6 4. d4 Be7 5. Bf4 0-0 6. e3 c6 7. d5 cxd5 8. cxd5 Bb4 9. dxe6 dxe6 10. Qb3 Bxc3+ 11. bxc3 Ne4 12. Bc4 Qf6 13. Be5 Qe7 14. Nd4 Nc5 15. Qb4 Nc6 16. Nxc6 bxc6 17. Bd4 Qg5 18. Bxc5 Qxg2 19. Rf1 Rd8 20. Bd4 Bd7 21. Qe7 f4 22. Bxe6+ Bxe6 23. Qxe6+ Kh8 24. Qc4 Rab8 25. Rd1 fxe3 26. fxe3 Rb2 27. Bxg7+ Kxg7 28. Qf7+ Kh6 29. Rf6+ Kg5 30. Qg7+ 1-0

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.05.11"]
[Round "3"]
[White "Munoz Prior, Marcelo"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1427"]
[BlackElo "1571"]
[PlyCount "67"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. b3 Bd6 7. Bb2 0-0 8. 0-0 Nbd7 9. Ne5 c6 10. Nd2 Ne8 11. f4 f6 12. Nxd7 Qxd7 13. f5 exf5 14. Rxf5 g6 15. Rf3 f5 16. Raf1 Nf6 17. h4 Rae8 18. Rh3 Re7 19. Nf3 Rfe8 20. Ne5 Bxe5 21. dxe5 Ng4 22. h5 Nxe5 23. Qd4 Re6 24. hxg6 Rxg6 25. Qxa7 Qg7 26. Bxe5 Rxe5 27. Qb8+ Kf7 28. Qxb7+ Re7 29. Rxf5+ Ke6 30. Qc8+ Rd7 31. Rf2 Ke7 32. a4 d4 33. exd4 Qxd4 34. Rxh7+ 1-0

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.05.04"]
[Round "2"]
[White "Costa Frers, Octavi"]
[Black "Gomez Rivera, Judit"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1571"]
[BlackElo "1271"]
[PlyCount "51"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Be7 4. Bg2 d6 5. e3 0-0 6. Nge2 Nc6 7. 0-0 Be6 8. b3 Qd7 9. d4 Bh3 10. dxe5 Nxe5 11. Nf4 Bxg2 12. Kxg2 Qf5 13. Bb2 Ng6 14. Qb1 Nxf4+ 15. exf4 Qd7 16. Qd3 Rfe8 17. Rae1 Bf8 18. Nd5 Nxd5 19. Qxd5 Rxe1 20. Rxe1 c6 21. Qd3 Rd8 22. f5 d5 23. Rd1 f6 24. cxd5 Qxd5+ 25. Qxd5+ Rxd5 26. Rxd5 1/2-1/2

[Event "Foment Martinenc op-B 21st"]
[Site "Barcelona"]
[Date "2019.04.27"]
[Round "1"]
[White "Franzoni Ladron, Enric"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1778"]
[BlackElo "1571"]
[PlyCount "103"]
[EventDate "2019.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 c5 8. c3 cxd4 9. Nxd4 Be7 10. 0-0 0-0 11. Re1 Nc5 12. Bc2 Qc7 13. Qe2 Nd5 14. Bd2 Bd7 15. Rad1 Nf4 16. Qf3 Bd6 17. Nh5 Ng6 18. h3 Rae8 19. b4 Na4 20. Bb3 Ne5 21. Qe3 Nb2 22. Rb1 Na4 23. Rec1 Nb6 24. Qg5 Ng6 25. c4 Be7 26. Qe3 Qe5 27. Qxe5 Nxe5 28. a3 Rc8 29. c5 Nd5 30. Bxd5 exd5 31. Nf4 Bg5 32. Be3 Bxf4 33. Bxf4 Nd3 34. Bd6 Nxc1 35. Bxf8 Ne2+ 36. Nxe2 Kxf8 37. Nd4 b6 38. Rc1 a5 39. c6 Be8 40. f4 axb4 41. axb4 b5 42. Kf2 g6 43. Rc5 Ke7 44. g4 Rc7 45. g5 f5 46. gxf6+ Kxf6 47. Rxd5 Ke7 48. Rc5 h5 49. Ke3 Kf7 50. f5 gxf5 51. Rxf5+ Kg6 52. Rc5 1-0

[Event "Foment Martinenc op-B 20th"]
[Site "Barcelona"]
[Date "2018.05.12"]
[Round "4"]
[White "Garcia Millan, Hector"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1638"]
[BlackElo "1400"]
[PlyCount "75"]
[EventDate "2018.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 Be7 7. Be2 0-0 8. h3 Be6 9. Nd4 Bd5 10. Nxd5 Nxd5 11. Bf3 c6 12. c4 Nc7 13. 0-0 Bf6 14. Nf5 d5 15. c5 Ne6 16. d4 b6 17. b4 bxc5 18. bxc5 Nxc5 19. Qc2 Ne6 20. Be3 Qc7 21. Rac1 Rc8 22. Be2 g6 23. Nh6+ Kg7 24. Ng4 Bxd4 25. Bxd4+ Nxd4 26. Qb2 Qb6 27. Qc3 Kf8 28. Bf3 Nxf3+ 29. Qxf3 Qd4 30. Rfd1 Qb2 31. Rb1 Qg7 32. Nf6 Rd8 33. Rb7 Rd6 34. Ng4 Rd7 35. Rdb1 Rxb7 36. Rxb7 Qg8 37. Nf6 Qg7 38. Qa3+ 1-0

[Event "Foment Martinenc op-B 20th"]
[Site "Barcelona"]
[Date "2018.05.05"]
[Round "3"]
[White "Costa Frers, Octavi"]
[Black "Guerrero Baez, Indira"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1400"]
[BlackElo "1128"]
[PlyCount "139"]
[EventDate "2018.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. g3 e6 4. Bg2 f5 5. Nf3 Bd6 6. 0-0 Nf6 7. Bg5 0-0 8. Nbd2 h6 9. Bxf6 Rxf6 10. Rc1 Bd7 11. Ne5 Be8 12. Ndf3 Bh5 13. Re1 g5 14. Qb3 b6 15. cxd5 cxd5 16. Nc6 Qe8 17. Nfe5 Nd7 18. Rc2 Bxe5 19. Nxe5 Nxe5 20. dxe5 Rf7 21. Rec1 Qd8 22. Rc6 Re7 23. f3 Be8 24. R6c3 f4 25. g4 Rh7 26. Qb4 Bd7 27. Qd6 Qf8 28. Rc7 Qxd6 29. exd6 Kf8 30. Rb7 Ke8 31. Rcc7 Rf7 32. Rxa7 Rxa7 33. Rxa7 Bc8 34. Ra3 Rb7 35. Kf2 Kd7 36. Rc3 Kd8 37. e3 e5 38. exf4 exf4 39. Bf1 Bd7 40. Ra3 Ke8 41. Ra8+ Kf7 42. Bd3 Be8 43. Bg6+ Kxg6 44. Rxe8 Kf6 45. Rh8 Rd7 46. Rxh6+ Ke5 47. Rg6 Rxd6 48. Rxg5+ Ke6 49. Rg6+ Ke5 50. Rxd6 Kxd6 51. h4 Ke6 52. h5 Kf7 53. h6 d4 54. Ke2 Kg6 55. g5 b5 56. a3 Kh7 57. b3 Kg6 58. a4 bxa4 59. bxa4 Kh7 60. a5 Kg6 61. a6 Kh7 62. a7 d3+ 63. Kxd3 Kg6 64. a8Q Kf7 65. Qd8 Kg6 66. Qg8+ Kf5 67. h7 Ke5 68. h8Q+ Kd6 69. Qc8 Ke7 70. Qf6# 1-0

[Event "Foment Martinenc op-B 20th"]
[Site "Barcelona"]
[Date "2018.04.28"]
[Round "2"]
[White "Martinez Lopez, Ramon"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1759"]
[BlackElo "1400"]
[PlyCount "59"]
[EventDate "2018.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. Nc3 Be7 7. Be2 0-0 8. 0-0 Nc6 9. Re1 d5 10. Bf4 Bb4 11. a3 Bd6 12. Bg5 Be6 13. d4 a6 14. Bd3 Be7 15. Ne2 Bg4 16. Ne5 Nxe5 17. dxe5 Nd7 18. Bxe7 Qxe7 19. f3 Be6 20. Ng3 Qc5+ 21. Kh1 Rfe8 22. f4 Nf8 23. f5 Bd7 24. Qg4 g6 25. Nh5 Kh8 26. Nf6 Re7 27. e6 fxe6 28. fxg6 Nxg6 29. Bxg6 hxg6 30. Qxg6 1-0

[Event "Foment Martinenc op-B 20th"]
[Site "Barcelona"]
[Date "2018.04.21"]
[Round "1"]
[White "Costa Frers, Octavi"]
[Black "Gonzalez Pauner, Alfons"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1400"]
[BlackElo "1675"]
[PlyCount "73"]
[EventDate "2018.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. 0-0 Nbd7 7. Bf4 Nh5 8. Be3 e5 9. d5 f5 10. Ng5 Ndf6 11. exf5 Nf4 12. Bxf4 exf4 13. Ne6 Bxe6 14. fxe6 Qe7 15. Bf3 Rac8 16. Qd2 g5 17. h3 h5 18. Qe2 h4 19. Qb5 Rb8 20. Ne4 a6 21. Qb4 Nxd5 22. Qb3 Nb6 23. Rfe1 Rf5 24. Nxd6 cxd6 25. Qxb6 Rb5 26. Qa7 Re8 27. Bh5 Rc8 28. Rab1 Bf6 29. c3 Qd8 30. f3 Kf8 31. Bg4 Ke7 32. Red1 Rb6 33. Qxb6 Qxb6+ 34. Kh2 Qf2 35. Rf1 Qb6 36. Rfd1 Rc5 37. Rd2 0-1

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.06.16"]
[Round "9.4"]
[White "Pardines Gracia, Cristian"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1694"]
[BlackElo "1127"]
[PlyCount "72"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Bb5+ Nd7 4. Nf3 Ngf6 5. d3 a6 6. Ba4 e6 7. 0-0 Be7 8. Re1 Qc7 9. Bf4 e5 10. Nbd2 0-0 11. Bg3 b5 12. Bb3 a5 13. a4 Ba6 14. axb5 Bxb5 15. c4 Bc6 16. Nh4 Rfb8 17. Nf5 Nf8 18. Nxe7+ Qxe7 19. f4 a4 20. fxe5 axb3 21. Rxa8 Bxa8 22. exf6 Qxf6 23. Nxb3 Qxb2 24. Na5 Qc3 25. Bxd6 Qd4+ 26. Kh1 Qxd6 27. Nb3 Qb6 28. Nd2 Rd8 29. Re3 Qh6 30. Qf3 Rb8 31. h3 Rb6 32. Re1 Qxd2 33. Rf1 Rf6 34. Qd1 Qxd1 35. Rxd1 Rd6 36. e5 Rg6 0-1

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.06.09"]
[Round "8.3"]
[White "Costa Frers, Octavi"]
[Black "Hernandez Mediavilla, Juan Jose"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "1127"]
[BlackElo "1398"]
[PlyCount "66"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bg4 4. e3 Nf6 5. Be2 e6 6. 0-0 Bxf3 7. Bxf3 Be7 8. Qb3 Qb6 9. c5 Qxb3 10. axb3 0-0 11. Bd2 Nbd7 12. Nc3 a6 13. b4 h6 14. Ra2 Rac8 15. Be2 Ne4 16. Nxe4 dxe4 17. f3 Nf6 18. Rf2 Rfd8 19. Bd1 exf3 20. gxf3 Nh7 21. Bc3 Bf6 22. Bc2 Ng5 23. Kg2 Nh7 24. f4 Kh8 25. Be4 Rg8 26. b5 axb5 27. Ra7 Rb8 28. Rf1 Rge8 29. Rfa1 Kg8 30. Ba5 Bd8 31. Bb4 Be7 32. Ba5 Bd8 33. Bb4 Be7 1/2-1/2

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.06.02"]
[Round "7.3"]
[White "Hurtado Farre, Ilefons"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1314"]
[BlackElo "1127"]
[PlyCount "62"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. Bf4 Nf6 4. e3 c6 5. c3 d5 6. Bd3 Be7 7. Ne5 Nbd7 8. h3 0-0 9. Nd2 Nh5 10. Qxh5 Nf6 11. Qf3 Qb6 12. g4 Qxb2 13. Rb1 Qxc3 14. Ke2 Bb4 15. Rhd1 Ne4 16. Bxe4 fxe4 17. Nxe4 dxe4 18. Qxe4 b6 19. g5 c5 20. g6 h6 21. Qxa8 Ba6+ 22. Rd3 Bxd3+ 23. Nxd3 Rxa8 24. d5 Qd2+ 25. Kf3 Qxd3 26. Kg4 h5+ 27. Kxh5 Qe2+ 28. Kg5 Qxf2 29. dxe6 Bd2 30. Kh5 Bxe3 31. Bh6 gxh6 0-1

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.05.26"]
[Round "6.4"]
[White "Costa Frers, Octavi"]
[Black "Castro Lanzan, Montse"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1127"]
[BlackElo "1180"]
[PlyCount "89"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nc6 4. 0-0 Nf6 5. d4 e6 6. c4 Qd7 7. Nc3 0-0-0 8. Ne5 Nxe5 9. dxe5 Nh5 10. h3 Bf5 11. g4 Be4 12. Bxe4 Nf6 13. exf6 dxe4 14. Qxd7+ Rxd7 15. Nxe4 g6 16. Be3 a6 17. Rfd1 Bd6 18. Nxd6+ cxd6 19. c5 d5 20. Bf4 h5 21. Kg2 hxg4 22. hxg4 Rdd8 23. Rh1 Rhg8 24. Bd6 g5 25. Rad1 Rg6 26. e3 Rxf6 27. Be7 Rxf2+ 28. Kxf2 Re8 29. Bxg5 Kc7 30. Rh7 Rf8 31. Be7 Rg8 32. Kf3 Kc6 33. Rxf7 Rh8 34. Kg3 Re8 35. a4 Rg8 36. Rf6 Rg5 37. Kf4 Rg7 38. Rxe6+ Kd7 39. Bf6 Rf7 40. Ke5 Rh7 41. Rxd5+ Kc8 42. Re8+ Kc7 43. Rdd8 Kc6 44. Rc8+ Kd7 45. Red8# 1-0

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.05.19"]
[Round "5.2"]
[White "Moreno Rivilla, Francisco"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1289"]
[BlackElo "1127"]
[PlyCount "56"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Nf3 Nf6 4. e5 Ne4 5. Bd3 Nc5 6. 0-0 Nc6 7. c3 d6 8. exd6 Qxd6 9. Bc4 Bg4 10. Bxf7+ Kd8 11. cxd4 Nxd4 12. Qxd4 Qxd4 13. Nxd4 Bd7 14. Rd1 Kc8 15. Bf4 g6 16. Be5 Bg7 17. Bxg7 Rd8 18. b4 Na6 19. Ne6 Bxe6 20. Bxe6+ Kc7 21. Be5+ Kc6 22. Rc1+ Kb6 23. a4 Nxb4 24. Bc7+ Ka6 25. Bc4+ b5 26. axb5+ Kb7 27. Be2 Rd7 28. Bf3+ Nd5 1-0

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.05.05"]
[Round "3.1"]
[White "Costa Frers, Octavi"]
[Black "Pascual Soro, Antonio"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1127"]
[BlackElo "1534"]
[PlyCount "41"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. 0-0 g6 5. e3 Bg7 6. d4 cxd4 7. Nxd4 0-0 8. c4 a6 9. Nc3 Qc7 10. Nxc6 dxc6 11. a4 Rb8 12. Qe2 Nd7 13. Bd2 Nc5 14. Ra3 Rd8 15. b4 Nd3 16. Ne4 Ne5 17. Bc3 Bg4 18. Bxe5 Bxe2 19. Bxc7 Bxf1 20. Bxf1 Bb2 21. Rb3 1-0

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.04.28"]
[Round "2.5"]
[White "Castillo Rosa, Jose Luis"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1700"]
[BlackElo "1127"]
[PlyCount "89"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Nf3 Nf6 4. Be2 Nxe4 5. Qa4+ Nc6 6. Qxe4 d5 7. Qe3 d4 8. Qe4 Bd7 9. 0-0 Qc7 10. cxd4 Nb4 11. a3 f5 12. Qe5 Qxe5 13. Nxe5 Nc2 14. Nxd7 Nxa1 15. Bb5 Kd8 16. dxc5 a6 17. Ba4 Rc8 18. d4 Nb3 19. Ne5 Nxc1 20. Rxc1 Rg8 21. Nf7+ Kc7 22. d5 Kb8 23. Nd2 g6 24. Bd7 Rc7 25. c6 Bg7 26. Nc4 Rf8 27. Ng5 b5 28. Na5 Ra7 29. Ne6 Be5 30. Nxf8 Bc7 31. b4 Bf4 32. Re1 Bd6 33. Ne6 f4 34. c7+ Bxc7 35. Nc6+ Ka8 36. Nxa7 Kxa7 37. Nxc7 Kb7 38. Ne8 e5 39. Rxe5 g5 40. Bc6+ Kc8 41. Re7 Kb8 42. Nd6 a5 43. Rb7+ Ka8 44. Nxb5 axb4 45. Rb6# 1-0

[Event "Barcelona Tres Peons-C 46th"]
[Site "Barcelona"]
[Date "2017.04.21"]
[Round "1.2"]
[White "Costa Frers, Octavi"]
[Black "Perez Serrallonga, Maxima"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1127"]
[BlackElo "1366"]
[PlyCount "50"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. c4 c5 5. dxc5 Bxc5 6. Qxd5 Qb6 7. Na3 0-0 8. Nc2 Bxf2+ 9. Kd1 Rd8 10. Nf3 Rxd5+ 11. cxd5 Qxb2 12. Rc1 Bf5 13. e4 Bxe4 14. Ncd4 Nd7 15. Bb5 Nf8 16. Rc4 Bxf3+ 17. Nxf3 Qxb5 18. Rc2 Qxd5+ 19. Rd2 Qc5 20. Rc2 Rd8+ 21. Kc1 Qe3+ 22. Kb1 Qb6+ 23. Rb2 Qc5 24. Rc2 Qf5 25. Rf1 Qb5+ 0-1

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.21"]
[Round "9.64"]
[White "Costa Frers, Octavi"]
[Black "Castro Estrella, Joan Gabriel"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1414"]
[PlyCount "102"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 d6 5. d3 Nf6 6. Qe2 0-0 7. h3 Bd7 8. Be3 Bxe3 9. Qxe3 a6 10. 0-0-0 b5 11. Bb3 b4 12. Nd5 a5 13. Nxf6+ Qxf6 14. Qg5 Qxg5+ 15. Nxg5 Nd4 16. Bc4 a4 17. Nf3 Nxf3 18. gxf3 Be6 19. Rhg1 Bxh3 20. Bd5 Ra6 21. Rg3 Be6 22. Bxe6 fxe6 23. Rdg1 g6 24. b3 axb3 25. axb3 Ra1+ 26. Kb2 Rxg1 27. Rxg1 Rxf3 28. Rf1 d5 29. Re1 d4 30. Re2 h5 31. Kc1 h4 32. Kd2 h3 33. Kd1 h2 34. Re1 Rxf2 35. Rh1 Rg2 36. Ke1 Rg1+ 37. Kf2 Rxh1 38. Kg2 Rf1 39. Kxh2 Rf7 40. Kg3 Rg7 41. Kg4 g5 42. Kh3 g4+ 43. Kg3 Kh7 44. Kf2 g3+ 45. Kg2 Kh6 46. Kf1 g2+ 47. Kg1 Kh5 48. Kf2 g1Q+ 49. Kf3 Qg3+ 50. Ke2 Qe3+ 51. Kd1 Rg1# 0-1

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.20"]
[Round "8.71"]
[White "Arias Aranda, Guillem"]
[Black "Costa Frers, Octavi"]
[Result "0-1"]
[ECO "C44"]
[PlyCount "92"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 d6 7. Bb5 Bd7 8. Qe2 Qe7 9. exd6 Qxe2+ 10. Kxe2 Bxd6 11. Re1 0-0-0 12. Kf1 Rhe8 13. Bd2 Bb4 14. Bxb4 Ndxb4 15. Nc3 Nc2 16. Rxe8 Rxe8 17. Rc1 N2xd4 18. Nxd4 Nxd4 19. Bxd7+ Kxd7 20. Rd1 c5 21. Nb5 a6 22. Nxd4 cxd4 23. Rxd4+ Kc6 24. Rg4 g6 25. Rd4 f5 26. f3 Kc5 27. Rd7 h5 28. Rxb7 Rd8 29. Ke2 Re8+ 30. Kd3 Rd8+ 31. Ke3 Re8+ 32. Kf2 Kd4 33. Rb4+ Kd3 34. Rb3+ Kc2 35. Rb6 g5 36. Rxa6 Kxb2 37. Rg6 g4 38. fxg4 hxg4 39. Rf6 Re5 40. Kg3 Kxa2 41. Kf4 Re2 42. h3 Rxg2 43. h4 Rh2 44. Kg5 g3 45. Kf4 g2 46. Rg6 Rxh4+ 0-1

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.19"]
[Round "7.70"]
[White "Costa Frers, Octavi"]
[Black "Rovira Puig, Ricardo"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "84"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 a6 4. Nf3 Bg4 5. Be3 c6 6. Bd3 b5 7. d5 c5 8. h3 Bd7 9. b3 g6 10. Qd2 h5 11. 0-0-0 Bg7 12. Rdg1 b4 13. Nd1 Qa5 14. c3 bxc3 15. Nxc3 e6 16. Ne2 Qb6 17. e5 Nxd5 18. Ng5 Bxe5 19. Be4 Bc6 20. g4 Nd7 21. f4 Bg7 22. gxh5 gxh5 23. Nh7 Bf6 24. Rg2 0-0-0 25. Nc3 Bxc3 26. Qd3 Bb5 27. Qc2 Qa5 28. Rg3 Qa3+ 29. Kb1 Bb4 30. Bc1 Nc3+ 31. Rxc3 Qa5 32. Rf3 f5 33. Bxf5 Bc6 34. Be4 d5 35. Bg6 h4 36. Rd1 Rhg8 37. Bf7 Rg3 38. Rxg3 hxg3 39. Rg1 e5 40. Rxg3 e4 41. Rg6 Bb5 42. Bxd5 Bd3 0-1

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.18"]
[Round "6.70"]
[White "Minko, Aleksandr"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1145"]
[PlyCount "65"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Be3 Nc6 7. Qd2 Qb6 8. 0-0-0 0-0-0 9. Ne6 Bxe6 10. Bxb6 axb6 11. Na4 Kc7 12. Qe3 Bg4 13. Qxb6+ Kb8 14. Ba6 Rd7 15. f3 Be6 16. Rhe1 g6 17. f4 Bh6 18. g3 Rc8 19. Nc5 Rdc7 20. Nxb7 Ka8 21. Nxd6 exd6 22. Bxc8 Rxc8 23. Rxd6 Nb4 24. Qa5+ Kb8 25. Rb6+ Kc7 26. Rxb4+ Kd7 27. Rb7+ Kd6 28. Qb6+ Rc6 29. Rd1+ Bd5 30. Qd8+ Nd7 31. Qxd7+ Kc5 32. Rxd5+ Kc4 33. Qxc6# 1-0

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.17"]
[Round "5.66"]
[White "Costa Frers, Octavi"]
[Black "Martimpe Burgues, Xavier"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1219"]
[PlyCount "59"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 Bg4 5. h3 Bh5 6. d4 Nf6 7. d5 Na5 8. Bd3 c6 9. b4 cxd5 10. bxa5 Qxa5 11. exd5 Rc8 12. Bf5 Rxc3 13. Nxc3 e4 14. g4 Qxc3+ 15. Bd2 Qc4 16. gxh5 g6 17. hxg6 fxg6 18. Be6 exf3 19. Qxf3 Bg7 20. Bh6 Qb4+ 21. Bd2 Qh4 22. Rc1 Kd8 23. Rc8+ Ke7 24. Rc7+ Kd8 25. Rxg7 Re8 26. Qg3 Qe4+ 27. Qe3 Qxh1+ 28. Ke2 Qa1 29. Ba5+ b6 30. Qxb6+ 1-0

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.16"]
[Round "4.68"]
[White "Orts Gonzalez, Rafael"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1191"]
[PlyCount "119"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. c5 Bf5 4. Nf3 Nc6 5. Bf4 e6 6. Qa4 Be7 7. Ne5 0-0 8. e3 a6 9. Nxc6 bxc6 10. Qxc6 Qd7 11. Qxd7 Nxd7 12. Bxc7 Rfc8 13. Ba5 Rcb8 14. b4 e5 15. Nc3 Be4 16. 0-0-0 Bg5 17. dxe5 Nxe5 18. Nxd5 Bd8 19. Nb6 Bxb6 20. Bxb6 h6 21. Rd4 f5 22. Be2 a5 23. Bb5 Bxg2 24. Rg1 Bc6 25. Bxc6 Nxc6 26. Rd7 g5 27. Rd6 Ne7 28. bxa5 Nc8 29. Rxh6 Nxb6 30. Rxg5+ Kf7 31. Rxf5+ Kg7 32. Rxb6 Rh8 33. a6 Rxh2 34. Rb7+ Kg6 35. Rff7 Rxa6 36. Rg7+ Kf6 37. Rgf7+ Kg6 38. Rg7+ Kf6 39. Rbf7+ Ke6 40. Rg6+ Kxf7 41. Rxa6 Rh8 42. c6 Ke6 43. Kd2 Rf8 44. f4 Kd5 45. c7 Ke4 46. Ra5 Rc8 47. Re5+ Kf3 48. Re7 Kg4 49. Ke2 Kf5 50. Kf3 Rf8 51. Rd7 Rc8 52. e4+ Ke6 53. Rh7 Ra8 54. Rh6+ Kd7 55. Rh7+ Ke6 56. Rh2 Kd6 57. Rc2 Rc8 58. e5+ Ke6 59. Rc6+ Kf5 60. Rf6# 1-0

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.15"]
[Round "3.73"]
[White "Costa Frers, Octavi"]
[Black "Martos Amiguet, Valentina"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1312"]
[PlyCount "49"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 g6 5. Ng5 e6 6. 0-0 h6 7. Nf3 Bg7 8. d3 0-0 9. Be3 Nc6 10. Qd2 Kh7 11. Rad1 Ng4 12. Bb5 Nxe3 13. Qxe3 Bd7 14. Qe2 a6 15. Bxc6 Bxc6 16. d4 Qb6 17. b3 cxd4 18. Na4 Qb4 19. Qd3 Bb5 20. Qd2 Qxd2 21. Rxd2 Bxf1 22. Kxf1 e5 23. Nb6 Rad8 24. Ke2 f5 25. Nd5 0-1

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.14"]
[Round "2.69"]
[White "Sanchez Viana, Jordi"]
[Black "Costa Frers, Octavi"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1599"]
[PlyCount "111"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bf5 5. Bd3 Bxd3 6. Qxd3 Nc6 7. 0-0 Qd6 8. Re1+ Be7 9. Bg5 f6 10. Bh4 0-0-0 11. a3 Nh6 12. h3 Rhe8 13. Nc3 f5 14. Nb5 Qg6 15. Bg3 Rd7 16. Ne5 Nxe5 17. Rxe5 Rf8 18. Rae1 f4 19. Qxg6 hxg6 20. Rxe7 Rxe7 21. Rxe7 fxg3 22. fxg3 Nf5 23. Rxc7+ Kb8 24. Rd7 a6 25. Nc3 Nxd4 26. Rxg7 Nxc2 27. Nxd5 Rf5 28. Nc3 Rg5 29. Kh2 Kc8 30. h4 Rc5 31. Rxg6 Nxa3 32. bxa3 Rxc3 33. h5 Rc7 34. h6 Rh7 35. g4 Kd8 36. g5 Ke8 37. Kg3 Kf8 38. a4 b5 39. axb5 axb5 40. Rb6 Kf7 41. Rb7+ Kg8 42. Rxh7 Kxh7 43. Kf3 Kh8 44. Ke3 Kh7 45. Kd3 Kh8 46. Kc3 Kh7 47. Kb4 Kh8 48. Kxb5 Kh7 49. Kc6 Kh8 50. Kd7 Kh7 51. Ke7 Kh8 52. Kf7 Kh7 53. g6+ Kh8 54. g7+ Kh7 55. g8Q+ Kxh6 56. Qg6# 1-0

[Event "Barcelona Sant Marti op-B 18th"]
[Site "Barcelona"]
[Date "2016.07.13"]
[Round "1.73"]
[White "Costa Frers, Octavi"]
[Black "Nandhini, Saripalli"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1716"]
[PlyCount "74"]
[EventDate "2016.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 d6 6. Be3 Bg4 7. Nd5 Na5 8. Qe2 c6 9. Nc3 a6 10. 0-0-0 d5 11. exd5 cxd5 12. h3 Bxf3 13. Qxf3 dxc4 14. dxc4 Qc7 15. b3 Bb4 16. Na4 Qc6 17. Qxc6+ Nxc6 18. Nb6 Rd8 19. Rxd8+ Kxd8 20. Rd1+ Kc7 21. Nd5+ Nxd5 22. Rxd5 Ba3+ 23. Kd1 Rd8 24. Rxd8 Nxd8 25. Kd2 Ne6 26. Kc3 Bc5 27. Bxc5 Nxc5 28. Kb4 Kc6 29. Ka5 Ne4 30. f3 Nc3 31. a4 f5 32. b4 e4 33. b5+ axb5 34. cxb5+ Kc5 35. fxe4 Nxe4 36. c4 Nd2 37. b6 Nxc4# 0-1

