[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Esquinelato, Marcos Vinicius Mol"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1678"]
[BlackElo "1248"]
[PlyCount "43"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 Nc6 9. 0-0-0 Bd7 10. Qf2 Rc8 11. Kb1 Ne5 12. g4 0-0 13. Rg1 b5 14. h4 Ne8 15. f4 Nc4 16. Bxc4 Rxc4 17. g5 b4 18. Nce2 Qc8 19. Ng3 a5 20. Nh1 e5 21. Nf5 Rxe4 22. Nxe7+ 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "Guimaraes, Felipe Tavares"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1250"]
[BlackElo "1678"]
[PlyCount "57"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 b5 6. Bb3 Qc7 7. 0-0 Nc6 8. Be3 Bb7 9. Nd2 d6 10. Re1 Nf6 11. Rc1 Nxd4 12. Bxd4 e5 13. Bc3 Be7 14. Qf3 0-0 15. Rcd1 Bc8 16. h3 Be6 17. Bxe6 fxe6 18. Qg3 Rab8 19. Nf3 b4 20. Bd2 Qxc2 21. Ng5 h6 22. Nxe6 Rf7 23. Bxh6 Nh5 24. Qg4 Rf6 25. Bxg7 Rxe6 26. Qxe6+ Kxg7 27. Qxe7+ Kh8 28. Rxd6 Rg8 29. Rh6# 1-0

[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 "2023.04.29"]
[Round "2"]
[White "Vieira, Igor Do Nascimento"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1244"]
[BlackElo "1678"]
[PlyCount "91"]
[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 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nc6 7. Nb3 b5 8. a3 Bb7 9. 0-0 d6 10. Be3 Nf6 11. Rc1 Be7 12. Ne2 0-0 13. c4 bxc4 14. Rxc4 Rad8 15. Rc1 Rfe8 16. Qc2 d5 17. exd5 exd5 18. Nbd4 Rd6 19. Bf4 Red8 20. Bxd6 Rxd6 21. Nf5 Re6 22. Ned4 Re5 23. Nxe7+ Rxe7 24. Nxc6 Bxc6 25. Qxc6 Qxc6 26. Rxc6 g6 27. Bxa6 Ne4 28. Re1 Ra7 29. Bd3 Ra4 30. Bxe4 dxe4 31. b4 Rxa3 32. b5 Rb3 33. b6 Kg7 34. g4 f5 35. gxf5 gxf5 36. Rc7+ Kg6 37. b7 f4 38. Rxe4 f3 39. Re1 h5 40. h3 Kg5 41. Re3 Rb4 42. Kh2 Kf4 43. Rf7+ Kg5 44. Rexf3 Rb5 45. Rg3+ Kh4 46. Rf4# 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Koinski, Carlos Cesar"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1678"]
[BlackElo "1372"]
[PlyCount "84"]
[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 a6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. Be3 Be7 7. Nxc6 bxc6 8. Bd3 Nf6 9. 0-0 d5 10. e5 Ng8 11. Qg4 g6 12. Qh3 d4 13. Bh6 Nxh6 14. Qxh6 Bf8 15. Qd2 dxc3 16. Qxc3 Bb7 17. Rfd1 Qb6 18. Rd2 Bh6 19. Re2 0-0 20. Be4 Rad8 21. Qe1 Rb8 22. b3 Rfd8 23. Rd1 Rxd1 24. Qxd1 Rd8 25. Qe1 Qd4 26. h3 Qd1 27. Qxd1 Rxd1+ 28. Kh2 Rd2 29. Rxd2 Bxd2 30. Kg3 Bc3 31. Kf3 Bxe5 32. c4 Bd6 33. Bd3 f5 34. g4 c5+ 35. Ke2 Kg7 36. g5 e5 37. Ke3 e4 38. Bc2 f4+ 39. Kd2 Be5 40. h4 Bd4 41. Ke2 f3+ 42. Ke1 Bc6 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.19"]
[Round "7"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Roeder, Artur Inacio Doebbe"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1706"]
[BlackElo "1696"]
[PlyCount "39"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. d5 Nd4 5. Nxd4 exd4 6. Qxd4 Nf6 7. Nc3 Be7 8. Be2 c5 9. Qd3 Bd7 10. 0-0 Qc7 11. Bf4 h6 12. Rad1 g5 13. Be3 Ng4 14. Bxg4 Bxg4 15. f3 0-0-0 16. fxg4 Bf6 17. Kf2 Bxc3 18. Qxc3 Qd7 19. h3 Qb5 20. Qb3 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "6"]
[White "Roeder, Guilherme Henrique"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1736"]
[BlackElo "1706"]
[PlyCount "123"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+ bxc6 6. 0-0 Be7 7. Re1 0-0 8. Nbd2 h6 9. Nf1 Ng4 10. Ng3 Bh4 11. Nxh4 Qxh4 12. h3 Nf6 13. c3 Nh7 14. d4 Qd8 15. dxe5 dxe5 16. Qxd8 Rxd8 17. Be3 Nf6 18. Bc5 Re8 19. c4 Nd7 20. Ba3 c5 21. Rac1 Ba6 22. b4 cxb4 23. Bxb4 c5 24. Ba3 Bc8 25. Nf5 Re6 26. Ne3 Bb7 27. Nd5 Bxd5 28. exd5 Rd6 29. Re4 Re8 30. Rce1 a5 31. Bb2 f6 32. f4 Kf8 33. fxe5 fxe5 34. Bxe5 Nxe5 35. Rxe5 Rxe5 36. Rxe5 Kf7 37. Kf2 Kf6 38. Re4 Rb6 39. Re2 Rb4 40. Re4 Rb2+ 41. Re2 Rxe2+ 42. Kxe2 Ke5 43. Kd3 g5 44. g4 Kd6 45. Ke4 a4 46. a3 Kc7 47. Ke5 Kb6 48. Ke6 Kc7 49. d6+ Kd8 50. d7 h5 51. gxh5 g4 52. hxg4 Kc7 53. Ke7 Kb7 54. d8Q Ka6 55. h6 Kb7 56. h7 Ka7 57. h8Q Ka6 58. Qe5 Kb7 59. Qxc5 Ka6 60. Qdd6+ Kb7 61. Qcc7+ Ka8 62. Qdd8# 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "4"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Crismanis Teles, Jose Henrique"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1706"]
[BlackElo "1163"]
[PlyCount "66"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Nf3 Nf6 4. d4 cxd4 5. cxd4 Nxe4 6. Nc3 Nf6 7. Be3 a6 8. Be2 e6 9. 0-0 Be7 10. h3 0-0 11. Rc1 b5 12. a3 Bb7 13. Qd2 Nc6 14. Rfd1 Na5 15. Qc2 Rc8 16. Bd2 h6 17. b4 Nc4 18. Bxc4 bxc4 19. Ne4 Bxe4 20. Qc3 Bxf3 21. Qxf3 d5 22. Re1 Ne4 23. Red1 Nxd2 24. Rxd2 Bg5 25. Rcc2 Bxd2 26. Rxd2 c3 27. Re2 c2 28. Qg4 c1Q+ 29. Kh2 Qd6+ 30. f4 Qdxf4+ 31. Qxf4 Qxf4+ 32. Kg1 Rc1+ 33. Re1 Rxe1# 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "1"]
[White "Barberi, Catarina"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1332"]
[BlackElo "1706"]
[PlyCount "53"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Qc2 e6 4. Nf3 Nf6 5. g3 Bd6 6. Bg2 0-0 7. 0-0 h6 8. Nbd2 Nbd7 9. b3 b6 10. Bb2 Ba6 11. Rfe1 Re8 12. e4 b5 13. e5 Be7 14. exf6 Bxf6 15. c5 Bc8 16. b4 a6 17. Nb3 Be7 18. Re2 Nf6 19. Ne5 Bb7 20. Na5 Qc7 21. Rae1 Nh7 22. Nxf7 Kxf7 23. Qxh7 Bf8 24. Bh3 Bc8 25. Bg4 Re7 26. Bh5+ Kf6 27. Qg6# 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "2"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Lora, Miguel Said Brasil"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1706"]
[BlackElo "1229"]
[PlyCount "92"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qe2 dxc6 7. Be3 Bxe3 8. Qxe3 Qxb2 9. Qc3 Qxc3+ 10. Nxc3 Be6 11. h3 0-0-0 12. Be2 Rd4 13. 0-0 Bc4 14. Bxc4 Rxc4 15. Nd1 Ne7 16. Re1 Rxc2 17. Ne3 Rd2 18. Nc4 Rd4 19. Ne5 f6 20. Nf3 Rd3 21. e5 Nf5 22. exf6 gxf6 23. Re4 Rhd8 24. Ree1 Nd4 25. Nxd4 R8xd4 26. Re8+ Kd7 27. Ree1 c5 28. Kh2 c4 29. Rac1 Rd2 30. Ra1 Rxf2 31. Red1 Rdd2 32. Rxd2+ Rxd2 33. Rb1 c3 34. Rc1 c2 35. Kg3 b5 36. a3 a5 37. Kf3 b4 38. axb4 axb4 39. Ke3 Rxg2 40. Kd3 b3 41. Kc3 Rg3+ 42. Kb2 Rxh3 43. Ka3 Rd3 44. Kb2 Rd1 45. Ra1 Rxa1 46. Kxa1 c1Q# 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.30"]
[Round "10"]
[White "Vaz, Vania Dora Madona"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "61"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Nbd2 d6 7. c3 Be6 8. h3 h6 9. Re1 Bxc4 10. Nxc4 b5 11. Ne3 Re8 12. Nf1 a6 13. d4 Ba7 14. Be3 Na5 15. dxe5 dxe5 16. Qc2 Bxe3 17. Nxe3 c6 18. Rad1 Qe7 19. Nf5 Qa7 20. b3 Red8 21. Nxe5 Re8 22. Nf3 Rad8 23. e5 Nd7 24. Rd4 Re6 25. Rf4 Rg6 26. Ne7+ Kf8 27. Nxg6+ Kg8 28. Ngh4 g5 29. Nf5 Kf8 30. Nxg5 Nxe5 31. Nh7+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "9"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Berteli, Laura Manarim"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "83"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nd2 b6 4. f4 Bb7 5. Bd3 g6 6. c4 Bg7 7. Ngf3 0-0 8. 0-0 c5 9. Re1 Nbd7 10. Nb3 e5 11. fxe5 dxe5 12. dxe5 Ne8 13. Bf4 Rc8 14. Qd2 Nc7 15. Bg5 Qe8 16. Rf1 f6 17. exf6 Nxf6 18. e5 Rd8 19. exf6 Bxf6 20. Bxf6 Rxf6 21. Nh4 Rd7 22. Qe2 Re7 23. Qd2 Rfe6 24. Rad1 g5 25. Nf5 Rd7 26. Ng3 Rf7 27. Rxf7 Qxf7 28. Rf1 Rf6 29. Re1 Ne6 30. Be4 Bxe4 31. Rxe4 h6 32. Re1 Rf4 33. Qc3 Rg4 34. Rf1 Nf4 35. h3 Qe8 36. Rf3 Qd8 37. hxg4 Qc8 38. Qc1 Ng6 39. Rf6 Nf8 40. Nf5 Qd8 41. Nxh6+ Kh7 42. Qxg5 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Oliveira, Francisco Evandro S"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1017"]
[PlyCount "47"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. c3 Nc6 5. Be3 Qb6 6. Qd2 c4 7. Be2 Nf6 8. Qc2 h6 9. f4 Be7 10. Nf3 Ng4 11. Bd2 0-0 12. 0-0 Nf6 13. Be3 dxe4 14. Ne1 h5 15. Nd2 e5 16. Nxe4 Nxe4 17. Qxe4 exd4 18. Bxd4 Nxd4 19. Qxd4 Bc5 20. Qxc5 Qxc5+ 21. Kh1 Re8 22. Bf3 g5 23. fxg5 Qxg5 24. Be4 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "6"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Piekarski, Clarice Wiecheteck"]
[Result "1-0"]
[ECO "C20"]
[PlyCount "34"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Qh5 g6 4. Qf3 Nf6 5. Qb3 Bc5 6. Bxf7+ Kf8 7. d3 Na5 8. d4 exd4 9. a3 Nxb3 10. cxb3 Bb6 11. Bc4 Ba5+ 12. Nd2 Nxe4 13. Ngf3 Rg8 14. Bxg8 Kxg8 15. 0-0 Bb6 16. Nxe4 d6 17. Bg5 Qd7 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Fonseca, Rogerio da Silva"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1201"]
[PlyCount "77"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e4 Nf6 3. d4 Nc6 4. Nc3 e5 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nxe5 dxe4 8. Nxc6 bxc6 9. 0-0 Bd6 10. Ne2 0-0 11. Bf4 Bxf4 12. Nxf4 Rb8 13. b3 h6 14. f3 Re8 15. Re1 Qd6 16. Nh3 Rbd8 17. c3 Rd7 18. Re3 Red8 19. fxe4 Nh7 20. e5 Qe6 21. Nf4 Qf5 22. Rf3 a5 23. Nd3 Qe6 24. Nc5 Qe7 25. Nxd7 Rxd7 26. Qe2 Ng5 27. Rf2 Rd8 28. Raf1 Rf8 29. h4 Nh7 30. Qh5 g6 31. Qxh6 Qe8 32. Rf3 Qe7 33. e6 Qxe6 34. Re3 Qd7 35. Re5 f6 36. Re4 Qd6 37. Qxg6+ Kh8 38. Rg4 Rg8 39. Qxg8# 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Piekarski, Leonidas Wiecheteck"]
[Black "Fantinati, Nilton M Nascimento"]
[Result "0-1"]
[ECO "B00"]
[BlackElo "1487"]
[PlyCount "58"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 a6 2. Nf3 b5 3. Nc3 e6 4. Be2 Bb7 5. d3 c5 6. b3 Nc6 7. 0-0 Qc7 8. h3 Nf6 9. Be3 d5 10. Bd2 d4 11. Nb1 Be7 12. g3 Bd6 13. Kg2 0-0-0 14. Re1 h6 15. h4 Kb8 16. Bc1 Bc8 17. Bb2 Ng4 18. Nbd2 Bxg3 19. fxg3 Ne3+ 20. Kf2 Nxd1+ 21. Raxd1 e5 22. a3 f5 23. h5 fxe4 24. dxe4 Rdf8 25. c3 d3 26. Bf1 Bg4 27. b4 c4 28. Rb1 Qb6+ 29. Kg2 Qc7 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Borger, David Lupovici"]
[Black "Piekarski, Leonidas Wiecheteck"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1778"]
[PlyCount "45"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 d6 6. Nf3 Qe7 7. Na4 0-0 8. Nxc5 dxc5 9. 0-0 Bg4 10. h3 Bh5 11. g4 Bg6 12. f5 Rad8 13. a3 h6 14. fxg6 Rfe8 15. gxf7+ Kh8 16. fxe8Q+ Rxe8 17. Be3 Na5 18. Ba2 b5 19. Qe1 Nb7 20. g5 hxg5 21. Nxg5 Nd6 22. Qh4+ Nh7 23. Qxh7# 1-0

