[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "2"]
[White "Cruz, Evandra"]
[Black "Serra, Fernando Sa Valle"]
[Result "0-1"]
[ECO "E13"]
[PlyCount "60"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. Bg5 h6 6. Bh4 Bb4 7. Rc1 g5 8. Bg3 Ne4 9. e3 Bxc3+ 10. bxc3 d6 11. Be2 Nc6 12. d5 Na5 13. Qd4 Nf6 14. e4 c5 15. Qe3 e5 16. Nd2 Bc8 17. h4 g4 18. h5 Qd7 19. f4 gxf3 20. Bxf3 Ng4 21. Qe2 Rg8 22. Bh4 f6 23. Bxg4 Rxg4 24. Kd1 Qa4+ 25. Rc2 f5 26. Be1 Qd7 27. Nf3 Ba6 28. Nd2 Qg7 29. Rg1 0-0-0 30. Nb3 Bxc4 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "6"]
[White "Faria, Cassio Henrique D"]
[Black "Serra, Fernando Sa Valle"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "130"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6 5. 0-0 d6 6. c3 c5 7. Qe2 Nd7 8. Bf4 Qe7 9. Bg5 f6 10. Be3 Kf7 11. Nbd2 Qe8 12. Ne1 Ne7 13. f4 g6 14. Qf2 Nc6 15. Nef3 Kg8 16. Rae1 c4 17. Bc2 Ne7 18. f5 gxf5 19. exf5 e5 20. dxe5 dxe5 21. Nh4 Qf7 22. Ne4 Nd5 23. Bc1 Qg7 24. Kh1 Kf7 25. Bd1 Be7 26. Bh5+ Kf8 27. Rd1 Rc8 28. Qe2 Bc5 29. Bf3 N7b6 30. Nxc5 Rxc5 31. Be3 Rc8 32. Bxb6 Nxb6 33. Rd6 Bxf3 34. Qxf3 Na4 35. Rxa6 Nxb2 36. Qf2 Na4 37. Qd2 Nc5 38. Qd6+ Ke8 39. Rc6 Rxc6 40. Qxc6+ Nd7 41. Rd1 Qe7 42. Qxb5 Qf7 43. Qc6 Qe7 44. Qxc4 Nb6 45. Qc6+ Nd7 46. a4 e4 47. a5 e3 48. a6 e2 49. Re1 Qe3 50. Qf3 Qxf3 51. Nxf3 Kf7 52. Rxe2 Ra8 53. Ra2 Nb8 54. a7 Nc6 55. Nd4 Rxa7 56. Rxa7+ Nxa7 57. Kg1 Nc8 58. Kf2 Nb6 59. g4 Na4 60. c4 Nb2 61. Kf3 Nxc4 62. Kf4 h6 63. h4 Nb6 64. Nc6 Nd5+ 65. Ke4 Nc3+ 1/2-1/2

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "1"]
[White "Serra, Fernando Sa Valle"]
[Black "Calsing, Ado"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "106"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 0-0 5. Rb1 a5 6. e3 d6 7. Nge2 c6 8. d3 e5 9. e4 Nbd7 10. a3 Nc5 11. b4 axb4 12. Rxb4 Nfd7 13. 0-0 f5 14. f4 Nf6 15. exf5 gxf5 16. d4 exd4 17. Nxd4 Re8 18. Nxc6 bxc6 19. Bxc6 Ra6 20. Bxe8 Qxe8 21. Nd5 Nxd5 22. cxd5 Bd7 23. Re1 Ne4 24. Qb3 Ra8 25. Bb2 Qf7 26. Bxg7 Kxg7 27. Rb7 Kg8 28. Qb2 Nc5 29. Rb8+ Rxb8 30. Qxb8+ Qf8 31. Qc7 Qf6 32. Kh1 Kf8 33. Qb8+ Kf7 34. Qb4 Nd3 35. Qb7 Nxe1 36. Qxd7+ Qe7 37. Qxf5+ Kg8 38. Qe6+ Qxe6 39. dxe6 Nc2 40. f5 Nxa3 41. g4 Kg7 42. g5 Nb5 43. h4 Nd4 44. f6+ Kf8 45. e7+ Kf7 46. h5 Nf5 47. g6+ hxg6 48. hxg6+ Ke8 49. g7 Nh6 50. Kg2 Ng8 51. Kf3 Nxf6 52. Kf4 Kxe7 53. Kg5 Kf7 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "5"]
[White "Serra, Fernando Sa Valle"]
[Black "Culpi, Aline"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "119"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Nc6 3. b5 Nd4 4. e3 Nxb5 5. Bxb5 a6 6. Be2 Qg5 7. Bf3 Nf6 8. d3 d5 9. Nd2 Bc5 10. Qe2 Bg4 11. Bxg4 Nxg4 12. Ngf3 Qf6 13. h3 Nh6 14. Nxe5 Bd6 15. f4 Nf5 16. Nf1 c5 17. g4 Ne7 18. Rb1 d4 19. g5 Qe6 20. Nc4 b5 21. Nxd6+ Qxd6 22. Qf3 Rb8 23. e4 c4 24. Bc1 cxd3 25. Qxd3 Nc6 26. a3 Na5 27. Ng3 0-0 28. Nf5 Qe6 29. Qxd4 f6 30. Qd5 Qxd5 31. Ne7+ Kf7 32. Nxd5 fxg5 33. fxg5 Rbe8 34. 0-0+ Kg6 35. Nf4+ Kf7 36. Nd3+ Kg8 37. Rxf8+ Kxf8 38. Bd2 Nc4 39. Rf1+ Kg8 40. Bb4 a5 41. Bc5 Nd2 42. e5 Nxf1 43. Kxf1 Kf7 44. Bd4 Kg6 45. h4 h6 46. gxh6 gxh6 47. e6 Kf5 48. Nc5 h5 49. Kf2 b4 50. axb4 axb4 51. Ke3 Re7 52. Kd3 Re8 53. Kc4 Rb8 54. Be3 Re8 55. Bg5 Rxe6 56. Nxe6 Kxe6 57. Kxb4 Kd5 58. Kb5 Kd6 59. Bf4+ Kd7 60. Kc5 1-0

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "3"]
[White "Serra, Fernando Sa Valle"]
[Black "Freitas, Andre Henrique Lem"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "56"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 e6 4. Nf3 Nbd7 5. Be2 c5 6. d3 b6 7. Nbd2 Bb7 8. c4 Be7 9. Qc2 0-0 10. e4 d4 11. Nf1 Bd6 12. Ng3 Qc7 13. Bc1 a6 14. Bd2 Bf4 15. Ng1 b5 16. Nh3 Bxd2+ 17. Qxd2 bxc4 18. bxc4 Nb6 19. Bd1 Rab8 20. 0-0 Bc6 21. f4 Rb7 22. f5 e5 23. Qa5 Qd6 24. Nf2 Rfb8 25. Bc2 Nbd7 26. Qxa6 Rb2 27. Rfb1 Rxb1+ 28. Rxb1 Ra8 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "7"]
[White "Serra, Fernando Sa Valle"]
[Black "Godoy Neto, Walter"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "11"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 g6 5. f4 d6 6. Bb5 1/2-1/2

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "4"]
[White "Vergara, Andre"]
[Black "Serra, Fernando Sa Valle"]
[Result "1-0"]
[ECO "E11"]
[PlyCount "125"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. e3 Ne4 5. Bxe7 Qxe7 6. Nbd2 Nf6 7. c4 d6 8. Bd3 e5 9. Qc2 0-0 10. 0-0 Nc6 11. a3 a5 12. Rac1 h6 13. Rfe1 Re8 14. Ne4 Nd7 15. Ng3 Nf8 16. Qb1 a4 17. h3 g6 18. Rcd1 Bd7 19. Rd2 Nb8 20. Bc2 Kg7 21. Be4 Bc6 22. Bxc6 Nxc6 23. dxe5 Nxe5 24. Nxe5 dxe5 25. Red1 c6 26. Qc2 e4 27. Rd4 f5 28. Ne2 b6 29. Rd6 Rec8 30. Nf4 Ra7 31. Qc3+ Kh7 32. Qb4 Qg7 33. Qd2 Rcc7 34. Qb4 Qf7 35. Qd2 Rd7 36. Qc3 Qg7 37. Qxg7+ Kxg7 38. Ne6+ Kf7 39. Nxf8 Rxd6 40. Rxd6 Kxf8 41. Rxc6 Kf7 42. Rxb6 Rc7 43. Rb4 Ra7 44. Kf1 Kf6 45. Ke2 Ke5 46. Rb5+ Kd6 47. Rd5+ Kc6 48. Kd2 Rb7 49. Kc2 Ra7 50. Rb5 h5 51. b4 axb3+ 52. Kxb3 Rd7 53. Rd5 Rb7+ 54. Kc2 Ra7 55. Kb3 Rb7+ 56. Ka2 h4 57. a4 Rb4 58. Re5 Kd6 59. Ra5 Rxc4 60. Ra6+ Ke5 61. Kb3 Rc1 62. Rxg6 Rf1 63. a5 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "7"]
[White "Oliveira, Edson"]
[Black "Serra, Fernando Sa Valle"]
[Result "0-1"]
[ECO "A58"]
[PlyCount "70"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. e3 Bg7 7. bxa6 Bxa6 8. Nc3 Bxf1 9. Kxf1 0-0 10. g3 d6 11. Kg2 Nbd7 12. Qe2 Qb8 13. e4 Rc8 14. Be3 Ng4 15. Rhb1 Nxe3+ 16. Qxe3 c4 17. Nd4 Nc5 18. Nc6 Qb7 19. Nd4 Ra5 20. f4 Qa8 21. Nc6 Rxc6 22. dxc6 Qxc6 23. Kf1 e6 24. b4 cxb3 25. axb3 Qa6+ 26. Kg2 Rxa1 27. Rxa1 Qxa1 28. Nb5 Qb2+ 29. Kf3 Qxh2 30. Nxd6 Qh1+ 31. Ke2 Qg2+ 32. Kd1 Qf1+ 33. Kc2 Na6 34. e5 Nb4+ 35. Kc3 Nd5+ 0-1

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "2"]
[White "Pinto, Helder Gaioso"]
[Black "Serra, Fernando Sa Valle"]
[Result "1-0"]
[ECO "C26"]
[PlyCount "117"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. g3 e5 4. Bg2 g6 5. Nge2 Bg7 6. d3 0-0 7. 0-0 Ne8 8. Be3 c6 9. Qd2 Be6 10. f4 f5 11. fxe5 dxe5 12. Bh3 Qe7 13. exf5 gxf5 14. Rae1 Nd7 15. Nc1 Qf7 16. Bh6 Nd6 17. Bxg7 Qxg7 18. Rf2 Qg6 19. Qe2 Kh8 20. Bg2 Rae8 21. Bf3 Qg8 22. Nb3 Re7 23. Nc5 Rf6 24. Nxe6 Rfxe6 25. Qd2 Nf6 26. Rfe2 Qd8 27. Kh1 Qe8 28. Bg2 Qh5 29. Na4 Nf7 30. Rf1 b6 31. Nc3 Ne8 32. Ref2 Ng7 33. Qe2 Qg5 34. Bh3 Rf6 35. Ne4 Qh6 36. Nxf6 Qxh3 37. Ne4 Kg8 38. Nd2 Nh5 39. Rg2 Ng5 40. Nf3 Nf7 41. Ng1 Qg4 42. Qxg4+ fxg4 43. Rf5 Ng7 44. Rf6 Nd8 45. Rgf2 Nde6 46. Rd2 Ne8 47. Rf1 Ng5 48. Kg2 Kg7 49. h3 h5 50. hxg4 hxg4 51. Re2 Nd6 52. Rfe1 Ndf7 53. b4 c5 54. bxc5 bxc5 55. Rb1 Rc7 56. Rb5 Kf6 57. Ra5 Ke6 58. Ra4 Nh6 59. Ra6+ 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "5"]
[White "Rezende, Flavio"]
[Black "Serra, Fernando Sa Valle"]
[Result "1/2-1/2"]
[ECO "D80"]
[PlyCount "98"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 Ne4 6. Bf4 Nxc3 7. bxc3 0-0 8. e3 c5 9. Be2 cxd4 10. cxd4 Bg4 11. c5 Nc6 12. 0-0 b6 13. Qa4 e5 14. dxe5 Bxf3 15. Bxf3 Nxe5 16. Bxe5 Bxe5 17. Rad1 Qf6 18. Bxd5 Rac8 19. c6 Rc7 20. f4 Bd6 21. Kh1 Rd8 22. e4 Bf8 23. f5 g5 24. Qb3 Bd6 25. Qh3 Kh8 26. Qg4 Qe5 27. g3 Qf6 28. Rf3 Rg8 29. Rfd3 Rd8 30. Qh5 Re7 31. Qe2 Kg7 32. Qc2 Bc7 33. a4 Bd6 34. Qc4 h5 35. Rb1 h4 36. gxh4 Rh8 37. Rh3 g4 38. Rg1 Rxh4 39. Rxh4 Qxh4 40. Qe2 g3 41. Rg2 Re8 42. Kg1 Bc5+ 43. Kf1 Qf4+ 44. Ke1 Qc1+ 45. Qd1 Qe3+ 46. Qe2 Qc1+ 47. Qd1 Qe3+ 48. Qe2 Qc1+ 49. Qd1 Qe3+ 1/2-1/2

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "1"]
[White "Serra, Fernando Sa Valle"]
[Black "Fernandes, Marcos V"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "70"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Bf5 3. Bf4 e6 4. e3 a6 5. Bd3 Bxd3 6. cxd3 Nf6 7. Rc1 Bb4 8. a3 Bxc3+ 9. Rxc3 c6 10. Bg5 Nbd7 11. Nf3 Rc8 12. 0-0 h6 13. Bh4 Nf8 14. Ne5 Ng6 15. Bg3 Nxe5 16. Bxe5 0-0 17. f4 Nd7 18. Bd6 Re8 19. e4 Qb6 20. Qa4 dxe4 21. dxe4 Nf6 22. Rb3 Qd8 23. e5 b5 24. Qb4 Ne4 25. Bc5 a5 26. Qe1 Qd5 27. Qe3 Nxc5 28. dxc5 Red8 29. Rf3 Qd1+ 30. Kf2 Rd2+ 31. Kg3 Rcd8 32. Qe4 R8d5 33. f5 R5d4 34. Qe3 Re2 35. Qc3 Qg1 0-1

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "6"]
[White "Serra, Fernando Sa Valle"]
[Black "Rezende, Hugo"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "35"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. Be3 Qc7 6. Nd5 Qd8 7. c4 e6 8. Nc3 Nf6 9. g4 h6 10. g5 hxg5 11. Bxg5 Be7 12. Bg2 Nxe4 13. Bxe7 Nxc3 14. Bxd8 Nxd1 15. Rxd1 Kxd8 16. Rxd6+ Ke8 17. c5 Nc6 18. Rxc6 1-0

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "3"]
[White "Serra, Fernando Sa Valle"]
[Black "Serra Azul Neto, Francisco"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "64"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Ne2 g6 6. c3 Bg7 7. Bg5 Nf6 8. f4 0-0 9. Qc2 Qc7 10. 0-0 Ng4 11. Rf3 e5 12. dxe5 Qb6+ 13. Kh1 Nf2+ 14. Rxf2 Qxf2 15. Nd2 Bg4 16. Ng1 Rac8 17. Nb3 Qxc2 18. Bxc2 Nb4 19. Nd4 Nxc2 20. Nxc2 f6 21. exf6 Bxf6 22. h3 Bxg5 23. fxg5 Bf5 24. Nd4 Be4 25. Ngf3 a6 26. Kg1 b5 27. a3 Rce8 28. Rd1 Rf7 29. Rd2 Rb7 30. Kf2 a5 31. Nc6 Ra8 32. Nfe5 Ra6 1/2-1/2

[Event "BRA-ch U20 13th"]
[Site "Matinhos"]
[Date "1986.04.??"]
[Round "4"]
[White "Ts, Wang Ying"]
[Black "Serra, Fernando Sa Valle"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "79"]
[EventDate "1986.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 e6 5. 0-0 Bd6 6. Nc3 Nf6 7. e4 d4 8. Ne2 Ne5 9. Nxe5 Bxe5 10. f4 Bc7 11. c4 0-0 12. h3 Ne8 13. Bd2 g6 14. Qe1 e5 15. f5 Nd6 16. Bh6 gxf5 17. Bxf8 Qxf8 18. exf5 Bxf5 19. Qd2 Qg7 20. g4 Bg6 21. Ng3 Rf8 22. Rae1 f5 23. Nxf5 Bxf5 24. gxf5 Nxf5 25. Re4 h5 26. Re2 e4 27. dxe4 Ne3 28. Rxf8+ Kxf8 29. Rf2+ Kg8 30. Rf3 Qe5 31. Bh1 Qg7+ 32. Kf2 Bh2 33. Qe1 Qg5 34. Ke2 Nxc4 35. b3 Ne5 36. Rf5 Qe3+ 37. Kd1 Ng4 38. hxg4 Qd3+ 39. Kc1 Qa6 40. Qf1 1-0

