[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.26"]
[Round "5"]
[White "Alonso, Leonardo Espinha"]
[Black "Botelho, Davi Arthur Volpi"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1171"]
[BlackElo "1230"]
[PlyCount "88"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 c6 6. Bd3 Be7 7. 0-0 0-0 8. a4 b6 9. e4 dxe4 10. Nxe4 Qc7 11. Qc2 Nxe4 12. Bxe4 Nf6 13. Bd3 Bb7 14. Bg5 h6 15. Bh4 Rfe8 16. Rfe1 c5 17. dxc5 Qxc5 18. Ne5 Qc7 19. Bg3 Bd6 20. Nxf7 Kxf7 21. Bg6+ Kf8 22. Bxd6+ Qxd6 23. Bxe8 Rxe8 24. Rad1 Qc6 25. f3 Kf7 26. b3 Nd5 27. Qd2 Qc5+ 28. Kh1 Nf6 29. Re3 Qg5 30. Qf2 Nh5 31. Rd7+ Re7 32. Qd2 Bc6 33. Rxe7+ Kxe7 34. Qe1 Qf6 35. Qc3 Qg6 36. Qd3 Qf6 37. Re1 Nf4 38. Qe3 Ng6 39. c5 Nf4 40. cxb6 Nd5 41. Qc5+ Kd7 42. bxa7 e5 43. Rd1 Qg6 44. Qa5 Ba8 1-0

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "3"]
[White "Alonso, Leonardo Espinha"]
[Black "Boeck, Moacir Luis"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1171"]
[BlackElo "1889"]
[PlyCount "118"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Be7 6. Bd3 0-0 7. 0-0 dxc4 8. Bxc4 Nbd7 9. a4 b6 10. e4 Qc7 11. Qc2 Bb7 12. Bd3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Ne2 Qc5 16. Qb1 Rad8 17. Be3 Qd6 18. Bc2 Ba6 19. Rd1 Qc7 20. Bf4 Qc8 21. Ng3 Rxd1+ 22. Qxd1 Qg4 23. Qxg4 Nxg4 24. Nf5 Bc5 25. Bg3 Rd8 26. Rd1 Rxd1+ 27. Bxd1 Nf6 28. Bf3 Bd3 29. e5 Nd5 30. Nd6 Bc2 31. Nb7 Bd4 32. a5 Bxb2 33. axb6 axb6 34. Nd8 Ba4 35. Bh5 g6 36. Bf3 Ba3 37. Bh4 h6 38. Kf1 g5 39. Bg3 Ne7 40. h4 c5 41. hxg5 hxg5 42. e6 Bb3 43. Bd6 Nf5 44. exf7+ Bxf7 45. Nxf7 Kxf7 46. Bd5+ Kf6 47. Bc7 b5 48. Ke2 c4 49. Kd2 Ne7 50. Be4 Bc5 51. Kc3 Ke6 52. f3 Nd5+ 53. Bxd5+ Kxd5 54. g3 b4+ 55. Kc2 Kd4 56. Bd8 b3+ 57. Kb2 Kd3 58. Bxg5 Bd4+ 59. Kb1 c3 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "4"]
[White "Buganca, Luiz Henrique Da Si"]
[Black "Alonso, Leonardo Espinha"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2005"]
[BlackElo "1171"]
[PlyCount "117"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 h6 6. 0-0 c5 7. d5 d6 8. Nc3 Bd7 9. h3 Na6 10. e4 Nc7 11. Rb1 b5 12. Nd2 Rb8 13. f4 bxc4 14. Nxc4 Nb5 15. Ne2 Qc8 16. Kh2 Qc7 17. Be3 e6 18. Rc1 exd5 19. exd5 Rfe8 20. a4 a6 21. axb5 axb5 22. Ne5 dxe5 23. fxe5 Nh5 24. e6 fxe6 25. d6 Qd8 26. Rxc5 e5 27. Be4 Kh7 28. Qd3 Re6 29. Rc7 Be8 30. Bc5 Rc8 31. Qd5 Rxc7 32. dxc7 Qc8 33. Qd8 Bd7 34. Be7 Rxe7 35. Qxe7 Qxc7 36. Rc1 Qb6 37. Qc5 Qe6 38. Bg2 Nf6 39. Rf1 Qe8 40. Qd6 Be6 41. Nc3 Bf5 42. g4 e4 43. Kh1 Bc8 44. Rxf6 Bxf6 45. Qxf6 e3 46. Ne2 Be6 47. Qe5 Qd7 48. Qxe3 b4 49. Qd4 Qe7 50. Nf4 Bf7 51. Nd3 b3 52. Ne5 Qc7 53. Nd7 Qc1+ 54. Kh2 Qc7+ 55. Ne5 Qe7 56. Nd7 h5 57. gxh5 gxh5 58. Be4+ Bg6 59. Nf6+ 1-0

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "1"]
[White "Alonso, Leonardo Espinha"]
[Black "Sperb, Eduardo Quintana"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1171"]
[BlackElo "1949"]
[PlyCount "71"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. g3 Nf6 5. Bg2 c6 6. Nh3 Bd6 7. 0-0 0-0 8. cxd5 exd5 9. Bf4 Re8 10. e3 Bf8 11. Bg5 h6 12. Bxf6 Qxf6 13. Qc2 Be6 14. Nf4 Bf7 15. Rac1 Nd7 16. Qe2 Qd6 17. Rc2 Nf6 18. Rfc1 g6 19. Na4 Bg7 20. Nc5 Re7 21. b4 a6 22. a4 g5 23. Nfd3 Nh5 24. a5 Rae8 25. Qd1 Bg6 26. Nxb7 Rxb7 27. Rxc6 Qd8 28. Rxg6 Nf6 29. Rc6 Kh7 30. Ne5 Rxb4 31. Rxa6 Qb8 32. Bf1 Rxe5 33. dxe5 Qxe5 34. Rxg7+ Kxg7 35. Ra7+ Kg6 36. a6 1/2-1/2

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "2"]
[White "Cordeiro, Marco Aurelio Zaror"]
[Black "Alonso, Leonardo Espinha"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2091"]
[BlackElo "1171"]
[PlyCount "78"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg7 6. Be2 Nc6 7. c4 Qd8 8. d5 Nd4 9. Nxd4 cxd4 10. 0-0 e6 11. dxe6 Bxe6 12. Bd3 Ne7 13. b3 0-0 14. Bb2 Nc6 15. Nd2 Nb4 16. Be4 Qc7 17. a3 Nc6 18. Nf3 Rfd8 19. Ng5 Bc8 20. Bd5 Rd7 21. Qf3 Ne5 22. Qg3 h6 23. Ne4 Rxd5 24. cxd5 Qc2 25. f4 Nd7 26. Nd6 Qxb2 27. Qe1 Nf6 28. Qe7 Qxb3 29. Qxf7+ Kh7 30. Rac1 Bd7 31. Nc4 Rc8 32. Ne5 Qe3+ 33. Kh1 Be8 34. Rxc8 Bxf7 35. Nxf7 Qe2 36. Rcc1 Nxd5 37. Rce1 Qc4 38. Nd6 Qc6 39. Nf7 Ne3 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Alonso, Leonardo Espinha"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1800"]
[BlackElo "1456"]
[PlyCount "111"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bf5 5. Nc3 e6 6. cxd5 cxd5 7. Bd3 Bxd3 8. Qxd3 Nc6 9. 0-0 Bd6 10. Nb5 0-0 11. Nxd6 Qxd6 12. a3 Na5 13. Bd2 Nc6 14. b4 a6 15. Bc3 Rac8 16. Ne5 Qc7 17. Nxc6 Qxc6 18. Rac1 Ne4 19. Bb2 Qd7 20. Rfd1 Nd6 21. Rc3 Rxc3 22. Qxc3 Rc8 23. Qd2 Nc4 24. Qe2 Nxb2 25. Qxb2 Qc6 26. g3 Qc2 27. Qxc2 Rxc2 28. Rd3 Rc1+ 29. Kg2 Kf8 30. b5 a5 31. a4 Ke7 32. Ra3 Kd6 33. Kf3 Rc2 34. h4 h5 35. Ra1 g6 36. Ra3 Ke7 37. Ra1 Kd6 38. Ra3 f6 39. Ra1 Kd7 40. Ra3 Kd6 41. Ra1 e5 42. Ra3 Rc4 43. Ke2 exd4 44. Kd3 dxe3 45. Kxe3 Kc5 46. Kd2 Kb4 47. Re3 Rd4+ 48. Kc2 Re4 49. Rf3 f5 50. Rd3 Re2+ 51. Kb1 Kc4 52. Rf3 d4 53. Rf4 Kc3 54. Rf3+ d3 55. Ka1 Kc2 56. Rf4 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Alonso, Leonardo Espinha"]
[Black "Sarda, Joao Sada"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1800"]
[BlackElo "1300"]
[PlyCount "129"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nc6 6. Be2 0-0 7. 0-0 e5 8. d5 Ne7 9. h3 c6 10. Be3 c5 11. Bd3 a6 12. a3 Bd7 13. Qc2 Rb8 14. b4 b6 15. Nd2 Ne8 16. Rfb1 f5 17. Qb2 f4 18. bxc5 fxe3 19. cxd6 exf2+ 20. Kh2 Nxd6 21. Nf3 b5 22. c5 Nc4 23. Qxf2 Bh6 24. a4 Nd2 25. Rb2 Bf4+ 26. Kh1 Nxf3 27. gxf3 Bxh3 28. Qh4 Bc8 29. Rg1 Qd7 30. Bf1 bxa4 31. Rxb8 Be3 32. Rg3 Bf2 33. Rxg6+ Nxg6 34. Qxf2 Qf7 35. Bg2 Qf4 36. Ne2 Qh4+ 37. Kg1 Qxf2+ 38. Kxf2 Nf4 39. Nxf4 exf4 40. Rb4 h5 41. Rxa4 Rf7 42. c6 Rc7 43. Bf1 Kg7 44. Bxa6 Ra7 45. Bb5 Rxa4 46. Bxa4 Kf6 47. d6 Ke6 48. d7 Bxd7 49. cxd7 Ke7 50. e5 h4 51. e6 h3 52. Bc2 h2 53. Kg2 h1N 54. Kxh1 Kd8 55. Kg2 Ke7 56. Kh3 Kd8 57. Kg4 Ke7 58. Kg5 Kd8 59. Kf6 Kc7 60. Ke7 Kb7 61. Be4+ Ka7 62. d8Q Ka6 63. Qd6+ Ka7 64. Qc6 Kb8 65. Qb7# 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "Da Costa, Michael David"]
[Black "Alonso, Leonardo Espinha"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1386"]
[BlackElo "1800"]
[PlyCount "63"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 c6 4. a4 e6 5. e3 Nf6 6. Bxc4 Be7 7. Nf3 0-0 8. 0-0 Bb4 9. Qb3 Bd6 10. Bd2 Nbd7 11. Ne2 Nb6 12. Bd3 Qe7 13. a5 Nbd7 14. Qc2 h6 15. e4 e5 16. Bc3 Re8 17. Rfe1 Qd8 18. Rad1 Qc7 19. Ng3 b6 20. Bc4 bxa5 21. Ba2 exd4 22. Nxd4 Bb7 23. Ndf5 Be5 24. Qb3 Nf8 25. Bxe5 Rxe5 26. Nd6 Re7 27. Ngf5 Rd7 28. Qg3 Ne8 29. Nxh6+ Kh7 30. Nhxf7 g6 31. Qh4+ Kg7 32. Qh8# 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "Alonso, Leonardo Espinha"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1800"]
[BlackElo "1406"]
[PlyCount "67"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 c5 4. Nc3 Nf6 5. Nf3 Nc6 6. cxd5 exd5 7. Bd3 Bg4 8. Be2 Be7 9. 0-0 0-0 10. h3 Bh5 11. dxc5 Bxc5 12. a3 a6 13. b4 Bb6 14. Nd4 Bxe2 15. Ncxe2 Bc7 16. Bb2 Qd6 17. Ng3 Ne4 18. Ndf5 Qg6 19. Qxd5 Nxg3 20. fxg3 Bxg3 21. Nxg7 Rad8 22. Qf5 Rd2 23. Qxg6 hxg6 24. Bf6 Be5 25. Nh5 Bxa1 26. Bxa1 gxh5 27. Bf6 Kh7 28. e4 Rg8 29. Rf5 Rgxg2+ 30. Kf1 Rh2 31. Kg1 Rxh3 32. Rg5 Rb3 33. Rg7+ Kh6 34. Rg2 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "3"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Alonso, Leonardo Espinha"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1678"]
[BlackElo "1800"]
[PlyCount "128"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 d5 9. Bd3 e5 10. Nxc6 bxc6 11. Bg5 Bb7 12. Qe2 Re8 13. Ba6 Qb6 14. Bxb7 Qxb7 15. Bxf6 Bxf6 16. Rab1 Bg7 17. Rfd1 d4 18. Na4 Qb5 19. Qxb5 cxb5 20. Nc5 Rec8 21. b4 Bf8 22. Nd7 Bg7 23. Nc5 a5 24. a3 axb4 25. axb4 Ra2 26. Rdc1 Bh6 27. Ra1 Rca8 28. Rxa2 Rxa2 29. Rb1 Rxc2 30. h3 Kg7 31. g4 Rc1+ 32. Rxc1 Bxc1 33. Kg2 Ba3 34. Nd7 f6 35. Kg3 Bxb4 36. f4 Bf8 37. f5 b4 38. Nb6 b3 39. Na4 Ba3 40. h4 b2 41. Nxb2 Bxb2 42. fxg6 Kxg6 43. Kf3 Kh6 44. Kg3 Bc3 45. Kf3 Be1 46. Ke2 Bxh4 47. Kd2 Kg7 48. Kd1 Kf8 49. Kd2 Ke7 50. Kd1 Bg5 51. Ke1 d3 52. Kd1 d2 53. Ke2 Kd6 54. Kd1 Kc5 55. Kc2 Kd4 56. Kd1 Ke3 57. Kc2 Ke2 58. Kc3 d1Q 59. Kc4 Qd3+ 60. Kc5 Be3+ 61. Kc6 Bc5 62. Kc7 Qd6+ 63. Kb7 Qb6+ 64. Ka8 Qa7# 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "Schmitz, Henrique"]
[Black "Alonso, Leonardo Espinha"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1508"]
[BlackElo "1800"]
[PlyCount "59"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Be2 g6 3. f4 Bg7 4. Nf3 d5 5. d3 e6 6. 0-0 Ne7 7. c3 Nbc6 8. Na3 0-0 9. Nc2 d4 10. cxd4 cxd4 11. b3 Qd7 12. Bb2 b5 13. Rc1 Bb7 14. Qe1 Rfd8 15. Nb4 Rac8 16. Nxc6 Nxc6 17. Qf2 a5 18. Qh4 h6 19. Rc5 Ba6 20. Rfc1 Nb4 21. a3 Nc6 22. Qe1 Bf8 23. R5c2 Qd6 24. Qd2 Qd7 25. Bf1 Kh7 26. Rxc6 Rxc6 27. Ne5 Qb7 28. Nxc6 Rd7 29. Nxa5 Rc7 30. Nxb7 1-0

