[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.20"]
[Round "6"]
[White "Kim, Andre"]
[Black "Quadra, Derek Erdmann"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "1104"]
[BlackElo "1258"]
[PlyCount "89"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Bd3 Bxd3 8. Qxd3 Bd6 9. b3 0-0 10. Bb2 c6 11. 0-0 Re8 12. Qf5 g6 13. Qc2 Ne4 14. Nxe4 dxe4 15. Nd2 Qh4 16. h3 Nf6 17. Nc4 Rad8 18. Nxd6 Rxd6 19. Qc5 Rd5 20. Qc2 Rg5 21. Kh2 Rd8 22. g3 Qh5 23. h4 Rg4 24. Rh1 g5 25. Kg2 gxh4 26. Ba3 Nd5 27. Rh3 Qf5 28. Rxh4 Rxh4 29. gxh4 Qg4+ 30. Kh2 Qxh4+ 31. Kg2 Re8 32. Bd6 Re6 33. Bg3 Qg4 34. Rg1 Rg6 35. Kf1 Qf3 36. Ke1 Nb4 37. Qd2 Nd3+ 38. Kf1 a5 39. Qe2 Qxe2+ 40. Kxe2 f5 41. Rh1 Rh6 42. Bf4 Nxf4+ 43. exf4 Kf7 44. f3 Ke6 45. Ke3 1/2-1/2

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.20"]
[Round "7"]
[White "Quadra, Derek Erdmann"]
[Black "Da Costa, Evelyn Maria Fuck"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1258"]
[BlackElo "1227"]
[PlyCount "63"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e3 d6 6. Bd3 Nbd7 7. 0-0 c5 8. d5 Nh5 9. e4 Ne5 10. Nxe5 Bxe5 11. Qc2 Nf4 12. Ne2 Nxd3 13. Qxd3 Qb6 14. Rb1 f5 15. Ng3 fxe4 16. Nxe4 Bf5 17. f3 Rf7 18. Be3 Qd8 19. Qd2 Qd7 20. Rbe1 Bxe4 21. fxe4 Raf8 22. Bh6 Bg7 23. Bxg7 Kxg7 24. h3 Qa4 25. b3 Qe8 26. Rxf7+ Rxf7 27. Rf1 b6 28. Rxf7+ Qxf7 29. Qf2 Qf6 30. Qxf6+ Kxf6 31. Kf2 Ke5 32. h4 1/2-1/2

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.18"]
[Round "2"]
[White "Quadra, Derek Erdmann"]
[Black "Ramos, Rafael Cabreira"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1258"]
[BlackElo "1278"]
[PlyCount "83"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Nf3 Bf5 4. c4 c6 5. Nc3 e6 6. cxd5 cxd5 7. Be2 Bd6 8. 0-0 Nc6 9. Bd2 a6 10. Re1 Qc7 11. Rc1 Bg4 12. h3 Bh5 13. a3 0-0 14. Na4 Ne4 15. Nc5 Nxd2 16. Qxd2 Bxc5 17. Rxc5 Qd6 18. Rec1 Rac8 19. Ne5 Bxe2 20. Nxc6 Rxc6 21. Rxc6 bxc6 22. Qxe2 Ra8 23. Qc2 Rc8 24. Qa4 c5 25. dxc5 Qc6 26. Qxc6 Rxc6 27. Kf1 f6 28. Ke2 Kf7 29. Kd3 e5 30. f4 Ke6 31. g3 f5 32. b4 Rc8 33. Re1 a5 34. Rc1 axb4 35. axb4 Rb8 36. Rb1 Rb5 37. Kc3 exf4 38. gxf4 Kd7 39. Ra1 Rb7 40. Ra5 g6 41. b5 Rc7 42. Kd4 1-0

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.17"]
[Round "1"]
[White "Volkmann, Andre Jordi"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2097"]
[BlackElo "1258"]
[PlyCount "37"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Nbd7 5. e3 c6 6. Nf3 Be7 7. Bd3 0-0 8. cxd5 cxd5 9. 0-0 b6 10. Nb5 Ba6 11. Rc1 Bxb5 12. Bxb5 a6 13. Bc7 Qe8 14. Bc6 Rc8 15. Bb7 Rxc7 16. Rxc7 a5 17. Rc8 Bd8 18. Qc2 Ne4 19. Bc6 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.21"]
[Round "5"]
[White "Quadra, Derek Erdmann"]
[Black "Deretti, Lucas Jurk"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1264"]
[BlackElo "1763"]
[PlyCount "91"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. c4 0-0 5. Nc3 d6 6. e3 Bg4 7. Bd3 Nc6 8. h3 Bxf3 9. Qxf3 e5 10. Bg5 exd4 11. Nd5 Ne5 12. Qe2 Nxd3+ 13. Qxd3 c6 14. Bxf6 Bxf6 15. Nxf6+ Qxf6 16. 0-0 dxe3 17. fxe3 Qxb2 18. Qxd6 Qc3 19. Qf4 f6 20. h4 Qe5 21. Rad1 Qxf4 22. Rxf4 Kg7 23. Rfd4 Rf7 24. Rd7 Raf8 25. g3 Rxd7 26. Rxd7+ Rf7 27. Rd6 Kh6 28. Kf2 g5 29. Kf3 Kh5 30. Rd4 f5 31. a3 gxh4 32. gxh4 c5 33. Rf4 Kg6 34. Ke2 Kf6 35. Kd3 Ke5 36. Kc3 Rg7 37. Kd2 Rg4 38. Rxg4 fxg4 39. Ke2 Ke4 40. h5 g3 41. h6 g2 42. Kf2 g1Q+ 43. Kxg1 Kxe3 44. Kg2 Kd3 45. Kf3 Kxc4 46. Ke3 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.20"]
[Round "4"]
[White "Dias, Rychard Nunes"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1264"]
[PlyCount "87"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. c4 Nf6 6. Nc3 Be6 7. b3 0-0 8. Bd3 Bb4 9. Qc2 Re8 10. 0-0 h6 11. a3 Bd6 12. Re1 c5 13. cxd5 Bxd5 14. Rxe8+ Qxe8 15. Nxd5 Nxd5 16. dxc5 Be5 17. Nxe5 Qxe5 18. Bb2 Qe7 19. Rd1 Nf6 20. Bc4 Nbd7 21. b4 Kf8 22. h3 Ne5 23. Bb3 Qc7 24. Qc3 Re8 25. Re1 Nf3+ 26. gxf3 Rxe1+ 27. Qxe1 Nh5 28. Ba4 Qc8 29. Qe5 Nf6 30. Kg2 Qd8 31. Qd6+ Qe7 32. Bxf6 gxf6 33. Qxe7+ Kxe7 34. Kg3 Ke6 35. Kf4 h5 36. Bb3+ Ke7 37. Kf5 a6 38. a4 Kd7 39. Bc4 Kc7 40. b5 a5 41. Kxf6 b6 42. cxb6+ Kxb6 43. Kxf7 Kc5 44. Be6 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.20"]
[Round "3"]
[White "Quadra, Derek Erdmann"]
[Black "Souza, Ramon Santana De"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1264"]
[BlackElo "1743"]
[PlyCount "62"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. e3 Qb6 5. b3 Nc6 6. c3 cxd4 7. exd4 d6 8. Be3 d5 9. Be2 Nh6 10. 0-0 0-0 11. c4 Nf5 12. Nc3 dxc4 13. Nd5 Qd8 14. bxc4 e6 15. Bg5 f6 16. Nf4 fxg5 17. Nxg5 Qxg5 18. Nh3 Qe7 19. Rc1 Ncxd4 20. Bg4 e5 21. Re1 e4 22. f3 e3 23. Nf4 e2 24. Nxe2 Ne3 25. Qd3 Nxg4 26. Nxd4 Qc5 27. fxg4 Qxd4+ 28. Qxd4 Bxd4+ 29. Kh1 Bxg4 30. Re4 Bb2 31. Rb1 Bf5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.19"]
[Round "1"]
[White "Quadra, Derek Erdmann"]
[Black "Mariani, Daniel Brandao"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "1264"]
[BlackElo "2020"]
[PlyCount "34"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Bf4 Bg7 4. Nf3 0-0 5. Nc3 d5 6. e3 c5 7. dxc5 Qa5 8. Qb3 Ne4 9. Be5 Bxe5 10. Nxe5 Nc6 11. Nd3 d4 12. exd4 Nxd4 13. Qa4 Qxa4 14. Nxa4 Nc2+ 15. Kd1 Nxa1 16. Be2 Rd8 17. f3 Nf2+ 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.19"]
[Round "2"]
[White "Roeder, Larissa Taina"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1264"]
[PlyCount "52"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 Bb4 4. c3 Ba5 5. d4 c5 6. Bd2 Qd6 7. b3 Nc6 8. Bd3 cxd4 9. cxd4 Bxd2+ 10. Qxd2 Bd7 11. Bc2 Rc8 12. 0-0 Nb4 13. Nc3 Ne7 14. a3 Nxc2 15. Qxc2 Nf5 16. Rfd1 0-0 17. b4 Rc4 18. Qd3 Rfc8 19. Ne2 a5 20. Rac1 Bb5 21. Qd2 Ba4 22. Rxc4 Rxc4 23. Rc1 Qa6 24. Rxc4 Qxc4 25. bxa5 Bb5 26. Nc3 Qf1# 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.16"]
[Round "5"]
[White "Quadra, Derek Erdmann"]
[Black "Albiero, Marco Antonio Batis"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1251"]
[BlackElo "1566"]
[PlyCount "72"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Bd3 Qb4+ 7. Nbd2 Qxb2 8. Qb1 Qxb1+ 9. Rxb1 Nbd7 10. e4 dxe4 11. Nxe4 b6 12. 0-0 Bb7 13. Rfe1 0-0 14. c3 Rac8 15. Rbc1 Bxe4 16. Bxe4 Nxe4 17. Rxe4 c5 18. Kf1 Nf6 19. Re5 cxd4 20. Nxd4 Rfd8 21. Ne2 Rd2 22. Ra1 Nd5 23. Ke1 Rb2 24. Rg5 Nxc3 25. Nxc3 Rxc3 26. Rd1 h6 27. Rg4 Rcc2 28. Rf4 Rxa2 29. Rd8+ Kh7 30. Rxf7 Ra1+ 31. Rd1 Rxd1+ 32. Kxd1 Ra2 33. h3 b5 34. g4 b4 35. Rf3 a5 36. Kc1 Ra3 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.15"]
[Round "3"]
[White "Quadra, Derek Erdmann"]
[Black "Glatz, Renan Felipe"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1251"]
[PlyCount "101"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. Bg5 e6 4. Nc3 b6 5. e4 Bb7 6. exf5 exf5 7. Qe2+ Qe7 8. Bxf6 gxf6 9. 0-0-0 Nc6 10. Qxe7+ Nxe7 11. Be2 0-0-0 12. Rhg1 Nd5 13. Nxd5 Bxd5 14. Bd3 c5 15. dxc5 bxc5 16. Ba6+ Kc7 17. Rxd5 Bh6+ 18. Kb1 Rhe8 19. Rxf5 Kb6 20. Bd3 Re6 21. Rh5 Bf4 22. Rxh7 d5 23. Bf5 Re2 24. Rf1 c4 25. g3 Bd6 26. Kc1 Bc5 27. Kd1 Ree8 28. Rf7 d4 29. Rd7 Rb8 30. Nxd4 Red8 31. Ne2 Rxd7+ 32. Bxd7 Rd8 33. Kc1 Rxd7 34. Nc3 Ka5 35. a3 Rb7 36. h4 f5 37. h5 Bd6 38. Rh1 Rh7 39. Kd2 f4 40. g4 Be7 41. Nd5 Bf8 42. Nxf4 Bg7 43. c3 Ka4 44. Kc2 Kb5 45. g5 Be5 46. g6 Rh6 47. Ne6 Rh8 48. h6 Kc6 49. h7 Kd7 50. g7 Kxe6 51. g8Q+ 1-0

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.15"]
[Round "4"]
[White "Ribeiro, Thiago"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1424"]
[BlackElo "1251"]
[PlyCount "90"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Bd2 Nbd7 6. c5 c6 7. Be2 Be7 8. 0-0 0-0 9. a4 b6 10. b4 Ne4 11. Bd3 Nxd2 12. Qxd2 Bxd3 13. Qxd3 Qc7 14. Nc3 a5 15. bxa5 bxc5 16. dxc5 Nxc5 17. Qc2 Bf6 18. Nd4 Rxa5 19. Ra2 Rb8 20. Rb1 Rxb1+ 21. Qxb1 Nd7 22. Rb2 Rc5 23. Rb7 Qc8 24. Nce2 e5 25. Nf5 g6 26. Nh6+ Kg7 27. Ng4 Rc4 28. Nxf6 Kxf6 29. Rb4 Qa6 30. Rxc4 Qxc4 31. Qd1 Nc5 32. f4 Nxa4 33. fxe5+ Kxe5 34. Kf2 Nc3 35. Nxc3 Qxc3 36. Qf3 Qc2+ 37. Kg3 Qf5 38. Qe2 h5 39. h4 c5 40. Qb2+ Ke4 41. Qc2+ Kxe3 42. Qxc5+ d4 43. Qe7+ Qe4 44. Qxf7 Qg4+ 45. Kh2 Qf4+ 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.14"]
[Round "2"]
[White "Felix, Joao Eduardo Orland"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1508"]
[BlackElo "1251"]
[PlyCount "32"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Be7 8. 0-0 Qb6 9. Nf3 0-0 10. Ng3 cxd4 11. cxd4 Nxd4 12. Nxd4 Qxd4 13. Bxh7+ Kxh7 14. Qxd4 Bc5 15. Qh4+ Kg8 16. Qg5 Bd4 1-0

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.14"]
[Round "1"]
[White "Quadra, Derek Erdmann"]
[Black "Maia, Jonathan Cesar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1251"]
[BlackElo "1827"]
[PlyCount "58"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c5 3. Bf4 Nc6 4. e3 Nf6 5. Be2 cxd4 6. exd4 Bf5 7. c3 e6 8. 0-0 Bd6 9. Ne5 0-0 10. Nd2 Rc8 11. Ndf3 a6 12. Qb3 Na5 13. Qa4 b5 14. Qd1 Nc4 15. b3 Na5 16. Rc1 Ba3 17. Ra1 Bb2 18. Qd2 Bxc3 19. Qd1 Bxa1 20. Qxa1 Nc6 21. Nxc6 Rxc6 22. Ne5 Rc2 23. Bd1 Rc8 24. Be2 Nd7 25. Rc1 Rxc1+ 26. Qxc1 Nxe5 27. Bxe5 Qc8 28. Qe3 Qc2 29. Qg3 f6 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.26"]
[Round "10"]
[White "Meirelles, Olyntho Vitoria"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1440"]
[BlackElo "1275"]
[PlyCount "40"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. f3 c5 4. c3 Nc6 5. Bb5 Nge7 6. Bg5 Qb6 7. Bxc6+ Nxc6 8. b3 cxd4 9. cxd4 Qxd4 10. Qxd4 Nxd4 11. Kd2 b6 12. Ne2 Bc5 13. Be3 Nxe2 14. Bxc5 bxc5 15. Kxe2 Ba6+ 16. Ke3 0-0 17. Nd2 Bb7 18. e5 f6 19. exf6 Rxf6 20. Rac1 Rc8 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "8"]
[White "Amorin, Gabriel Ferrante"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1180"]
[BlackElo "1275"]
[PlyCount "56"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Ne2 Nc6 7. c3 Qb6 8. Nf4 Be7 9. Bd3 cxd4 10. cxd4 Nxd4 11. Nxd4 Qxd4 12. 0-0 Nxe5 13. Bb5+ Nc6 14. Qxd4 0-0 15. Bxc6 bxc6 16. Nh5 f6 17. Qc3 a5 18. Qxc6 Ba6 19. Qxe6+ Rf7 20. Re1 Ra7 21. Be3 Ra8 22. Qxd5 Rb8 23. Qxa5 Bb4 24. Qxa6 Bxe1 25. Rxe1 Rxb2 26. h3 g6 27. Nxf6+ Kg7 28. Bd4 Rb8 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "9"]
[White "Quadra, Derek Erdmann"]
[Black "Do Carmo, Caroline da Silva"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1275"]
[BlackElo "1208"]
[PlyCount "87"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. c4 dxc4 6. Bxc4 0-0 7. Ne5 c5 8. Nc3 Nc6 9. Nxc6 bxc6 10. 0-0 Nd5 11. Bg3 cxd4 12. exd4 Bd6 13. Bxd6 Qxd6 14. Qf3 f5 15. Rfe1 Bb7 16. Na4 Rfe8 17. Nc5 Rab8 18. Re2 e5 19. Rae1 f4 20. Rxe5 Rxe5 21. Rxe5 Qc7 22. h3 Kh8 23. Bxd5 cxd5 24. Qxf4 Bc6 25. Na6 Qb6 26. Nxb8 Qxb8 27. Rf5 Qxf4 28. Rxf4 h6 29. Rf8+ Kh7 30. Rc8 Bb7 31. Rc7 Ba8 32. Rxa7 Bc6 33. a4 Kg6 34. Ra6 Kf7 35. Rxc6 g5 36. a5 Ke7 37. a6 Kd7 38. Rc5 h5 39. a7 Kd6 40. a8Q Ke6 41. Qxd5+ Kf6 42. Rc6+ Kg7 43. Qd7+ Kg8 44. Rc8# 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.24"]
[Round "7"]
[White "Quadra, Derek Erdmann"]
[Black "Do Amaral e Silva, Larissa Blue"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1275"]
[BlackElo "1610"]
[PlyCount "70"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 Bf5 5. Nf3 e6 6. Ne5 Bb4 7. Qb3 Qb6 8. e3 Ne4 9. Rc1 f6 10. c5 Bxc3+ 11. bxc3 Qxb3 12. axb3 fxe5 13. Bxe5 0-0 14. f3 Nf6 15. c4 Nbd7 16. Bd6 Rf7 17. Be2 Ne8 18. Be5 Nxe5 19. dxe5 Nc7 20. g4 Bg6 21. h4 h6 22. h5 Bh7 23. Kf2 Na6 24. Rcg1 Nxc5 25. g5 Ne4+ 26. Ke1 Nxg5 27. f4 Ne4 28. Rg2 Re8 29. Bg4 Ree7 30. Rhg1 Nc5 31. b4 Nd3+ 32. Ke2 Nxb4 33. Bxe6 Rxe6 34. Rxg7+ Rxg7 35. Rxg7+ Kxg7 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "6"]
[White "Da Silva, Anderson Lemes"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1788"]
[BlackElo "1275"]
[PlyCount "55"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Bb4 5. Qa4+ Nc6 6. cxd5 exd5 7. e3 Bd7 8. Qc2 h6 9. Bh4 g5 10. Bg3 Ne4 11. a3 Nxg3 12. hxg3 Bd6 13. Nxd5 Ne7 14. Nf6+ Kf8 15. Bd3 Kg7 16. Nh5+ Kf8 17. Nf3 Nd5 18. e4 Nb6 19. e5 Be7 20. Bf5 Kg8 21. e6 Bxe6 22. Bxe6 fxe6 23. Qg6+ Kf8 24. Ne5 Bb4+ 25. axb4 Qe7 26. Ra3 Rh7 27. Rf3+ Rf7 28. Rxf7+ 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "5"]
[White "Quadra, Derek Erdmann"]
[Black "Kuster, Michel Thiago"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1275"]
[PlyCount "107"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 Nf6 4. c4 c6 5. Nc3 Nbd7 6. e3 Bb4 7. a3 Bxc3+ 8. bxc3 Ne4 9. cxd5 cxd5 10. c4 0-0 11. Bd3 Ndf6 12. Nd2 dxc4 13. Bxe4 c3 14. Bf3 cxd2+ 15. Qxd2 Bd7 16. Bxb7 Rb8 17. Bxb8 Qxb8 18. Bf3 Rc8 19. 0-0 Bc6 20. Rab1 Qd6 21. Rfc1 g6 22. Bxc6 Rxc6 23. Rxc6 Qxc6 24. h3 Ne4 25. Qa5 Qc2 26. Rb8+ Kg7 27. Qe5+ f6 28. Rb7+ Kh6 29. Qf4+ g5 30. Qf3 Qc1+ 31. Kh2 Qc6 32. Rxa7 Qd6+ 33. Kh1 Qb6 34. Rxh7+ Kxh7 35. Qxe4+ Kh6 36. Kh2 Qd6+ 37. g3 Qxa3 38. Qxe6 Kg6 39. d5 Qa2 40. Qg8+ Kf5 41. Qe6+ Kg6 42. Kg2 Qa8 43. e4 Qa2 44. Qg8+ Kh6 45. Qh8+ Kg6 46. g4 Qc4 47. Qe8+ Kh6 48. d6 f5 49. Qf8+ Kg6 50. gxf5+ Kh7 51. Qe7+ Kh6 52. d7 Qd4 53. d8Q g4 54. Qf6+ 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.22"]
[Round "4"]
[White "Da Cunha Candido, Kelven dos Reis"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1275"]
[PlyCount "90"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. h3 e6 4. g3 c5 5. e3 Nc6 6. Bb5 Bd7 7. b3 Qa5+ 8. Nc3 Ne4 9. Bb2 Nxc3 10. Qd2 Nxb5 11. Ne5 Qxd2+ 12. Kxd2 Nxe5 13. dxe5 d4 14. a4 dxe3+ 15. fxe3 Nc7 16. Rh2 Rd8 17. Rd1 Bxa4+ 18. Ke1 Rxd1+ 19. Kxd1 Bc6 20. c3 g6 21. b4 cxb4 22. cxb4 Nd5 23. Bd4 b6 24. e4 Nxb4 25. Ke1 Nc2+ 26. Rxc2 Bb7 27. Rc7 Bb4+ 28. Kf2 0-0 29. Rxb7 Rd8 30. Be3 Ra8 31. h4 Kg7 32. g4 h6 33. Kf3 Bc5 34. Bf4 a5 35. g5 h5 36. Be3 a4 37. Bc1 a3 38. Ke2 Bd4 39. Be3 Bxe3 40. Kxe3 a2 41. Rxb6 a1Q 42. Kf4 Qf1+ 43. Kg3 Ra3+ 44. Kh2 Qe2+ 45. Kg1 Ra1+ 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "2"]
[White "Gomes, Marco Tulio Caldeir"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1693"]
[BlackElo "1275"]
[PlyCount "43"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qd8 4. g3 Nf6 5. Bg2 e5 6. d3 Be6 7. Bxb7 Bd5 8. Nxd5 Nxd5 9. Bxa8 c6 10. Qb3 Nb6 11. Bxc6+ Nxc6 12. Nf3 Bb4+ 13. Bd2 Bxd2+ 14. Kxd2 Nd4 15. Nxd4 Qxd4 16. e3 Qd6 17. Qb5+ Nd7 18. Rhc1 0-0 19. Rc6 Qe7 20. Rac1 Nb6 21. Qc5 Qd7 22. Qxe5 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "3"]
[White "Quadra, Derek Erdmann"]
[Black "Nunes, Nicole"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1275"]
[BlackElo "1096"]
[PlyCount "52"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 Nf6 4. c4 0-0 5. Nc3 d6 6. e4 c5 7. e5 dxe5 8. Bxe5 b6 9. Nb5 cxd4 10. Nc7 Ng4 11. Bxg7 Kxg7 12. Nxa8 Nc6 13. Be2 Bb7 14. 0-0 Bxa8 15. Qd3 Kg8 16. Rfd1 Qc7 17. Rac1 Nb4 18. Qd2 Bxf3 19. g3 Bxe2 20. Qxe2 Qd7 21. a3 Nc6 22. c5 Rd8 23. Rd3 Nge5 24. Rd2 Qf5 25. f4 d3 26. Qe1 Nf3+ 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.20"]
[Round "1"]
[White "Quadra, Derek Erdmann"]
[Black "Correa, Joao Pedro Vieira"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1275"]
[BlackElo "1665"]
[PlyCount "84"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. c4 d5 4. Nc3 c6 5. Nf3 Bd6 6. Bxd6 Qxd6 7. c5 Qc7 8. Qc2 Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 b6 12. b4 a5 13. Ne5 Nxe5 14. dxe5 axb4 15. Bb5 Bb7 16. Bc4 bxc5 17. 0-0 0-0 18. Rfc1 Ra5 19. Rc2 Rd8 20. h4 Rd4 21. Qe3 Rxh4 22. Rd1 Rd4 23. Rxd4 cxd4 24. Qxd4 Rxe5 25. Rd2 Re1+ 26. Bf1 h6 27. Qxb4 Ba6 28. Rd8+ Qxd8 29. Qxe1 Bxf1 30. Qxf1 Qd4 31. Qa6 c5 32. a4 c4 33. a5 c3 34. Kh2 Qf4+ 35. Kh3 Qf5+ 36. g4 Qf3+ 37. Kh2 Qxf2+ 38. Kh3 c2 39. Qc4 Qf3+ 40. Kh2 Qf2+ 41. Kh3 Qe3+ 42. Kg2 c1Q 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.09"]
[Round "5"]
[White "Kannenberg, Brayan Kelvin Greth"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "A17"]
[BlackElo "1331"]
[PlyCount "48"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Bg2 g6 5. d3 Bg7 6. Bg5 c6 7. Qd2 Qb6 8. Bh6 Bxh6 9. Qxh6 Ng4 10. Qg7 Qxf2+ 11. Kd1 Rf8 12. Nf3 Qxg2 13. Rf1 Qh3 14. Ng5 Qh6 15. Rxf7 Qxg5 16. Kc2 Rxf7 17. Qd4 e5 18. Qc5 Ne3+ 19. Kb3 Nd7 20. Qd6 Qf6 21. Qxf6 Rxf6 22. cxd5 cxd5 23. Nb5 Rb6 24. a4 a6 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.08"]
[Round "3"]
[White "Dos Santos, Welligton Carlos"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1160"]
[BlackElo "1331"]
[PlyCount "91"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 e6 4. Nc3 Be7 5. e3 d5 6. cxd5 exd5 7. d4 Be6 8. Nge2 0-0 9. 0-0 Nc6 10. dxc5 Bxc5 11. Nf4 Ne7 12. b3 Bb4 13. Bb2 Rc8 14. Nce2 Ne4 15. Qd4 Nf6 16. Qxb4 Ng6 17. Qxb7 Nxf4 18. Nxf4 Rc7 19. Qb4 g5 20. Nxe6 fxe6 21. Rac1 Rcf7 22. Bh3 Qd7 23. Rfd1 h5 24. Qa4 g4 25. Qxd7 Nxd7 26. Bg2 Rxf2 27. Ba3 R8f6 28. Rf1 Rxf1+ 29. Rxf1 Rxf1+ 30. Kxf1 Ne5 31. Ke2 Kf7 32. Bb2 Nd7 33. Bd4 a6 34. e4 e5 35. Bc3 d4 36. Bd2 Nc5 37. Bb4 Nb7 38. Bf1 a5 39. Ba3 Ke8 40. Kd3 Kd7 41. Kc4 Kc6 42. Bf8 Nc5 43. Bxc5 Kb7 44. Kb5 Kb8 45. Bd6+ Kb7 46. Bxe5 1-0

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.07"]
[Round "1"]
[White "De Oliveira, Guilherme Alfredo B"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1978"]
[BlackElo "1331"]
[PlyCount "51"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 Nc6 4. d5 exd5 5. exd5 Nge7 6. d6 Nf5 7. Qe2+ Nce7 8. dxe7 Bxe7 9. c4 0-0 10. Qd3 d6 11. Be2 Re8 12. Nc3 Bf6 13. Nd5 Bd4 14. 0-0 Be6 15. Rb1 Bxd5 16. cxd5 Qd7 17. Ng5 Bf6 18. Bg4 Re5 19. f4 Bxg5 20. fxe5 Bxc1 21. Bxf5 Qe7 22. Bxh7+ Kf8 23. Rbxc1 Rc8 24. Qg6 Rc7 25. Qh5 g6 26. Qxg6 1-0

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.07"]
[Round "2"]
[White "Quadra, Derek Erdmann"]
[Black "Bernardes, Roberto Carlos Stru"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1331"]
[BlackElo "1622"]
[PlyCount "44"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 0-0 6. h3 c5 7. Bc4 Nbd7 8. Qd2 cxd4 9. Nxd4 Ne5 10. Bb3 Bd7 11. f4 Nc6 12. Nf3 Na5 13. Ba4 Bxa4 14. Nxa4 Nxe4 15. Qb4 Ng3 16. Rg1 h6 17. Bh4 Nf5 18. g4 Nxh4 19. Nxh4 Rc8 20. 0-0-0 Rc4 21. Qa3 b5 22. b3 b4 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.30"]
[Round "5"]
[White "Bahi, Guilherme Falcao"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1173"]
[BlackElo "1791"]
[PlyCount "66"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. Bc4 f5 5. 0-0 Nf6 6. d3 Qe7 7. Bg5 f4 8. Nd5 Qd8 9. Nh4 Be6 10. Nc3 Bxc4 11. dxc4 h6 12. Ng6 Rg8 13. Bh4 Qd7 14. Nd5 Qf7 15. c3 0-0-0 16. b4 a6 17. Bxf6 gxf6 18. Qg4+ Qd7 19. Nge7+ Bxe7 20. Nxe7+ Nxe7 21. Qe2 Qg4 22. Qxg4+ Rxg4 23. f3 Rg5 24. h4 Rh5 25. Kh2 Rxh4+ 26. Kg1 f5 27. g3 fxg3 28. Kg2 f4 29. Rh1 Ng6 30. Rxh4 Nxh4+ 31. Kh1 Rg8 32. Rg1 g2+ 33. Kh2 Nxf3+ 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.30"]
[Round "6"]
[White "Quadra, Derek Erdmann"]
[Black "Royer, Sibely De Oliveira"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1791"]
[BlackElo "1735"]
[PlyCount "54"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 Nc6 4. Nf3 e6 5. e3 Bb4 6. Bb5 Bd7 7. Qd2 Ne4 8. Qd3 0-0 9. 0-0 Nf6 10. a3 Bd6 11. Bxd6 cxd6 12. Rfe1 Re8 13. e4 Qc7 14. e5 Ng4 15. h3 Nh6 16. Ba4 Nf5 17. b4 a6 18. b5 Na5 19. Rab1 Nc4 20. b6 Nxb6 21. Bxd7 Nxd7 22. g4 Ne7 23. Rb2 b5 24. a4 Qd8 25. h4 Nf6 26. axb5 Nxg4 27. Ng5 Ng6 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.29"]
[Round "4"]
[White "De Castro, Kauan Martins"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1741"]
[BlackElo "1791"]
[PlyCount "107"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. Nc3 Nf6 3. d4 c5 4. dxc5 e6 5. Qd4 Qc7 6. Be3 Nbd7 7. Na4 Nxc5 8. Nxc5 Bxc5 9. Qxc5 Qxc5 10. Bxc5 b6 11. Bd4 Nh5 12. 0-0-0 Ba6 13. g4 Nf4 14. e3 Be2 15. Bxe2 Nxe2+ 16. Kb1 Nxd4 17. Nxd4 0-0-0 18. Nc6 Rd7 19. Rd4 b5 20. Rb4 a6 21. Ne5 Rc7 22. Rb3 f6 23. Nd3 Rd8 24. Nb4 Kb7 25. Ra3 Ra8 26. Rc3 a5 27. Rxc7+ Kxc7 28. Nd3 e5 29. Nc5 Kd6 30. Nb7+ Kc6 31. Nxa5+ Rxa5 32. b4 Ra4 33. c3 d4 34. Rc1 dxc3 35. Rxc3+ Kd5 36. a3 Ra7 37. Rc5+ Ke4 38. Rxb5 Rxa3 39. Rc5 Rb3+ 40. Kc2 Rxb4 41. Rc7 Kf3 42. Rxg7 Rxg4 43. Rxh7 Rg2 44. h4 Rxf2+ 45. Kd3 e4+ 46. Kd4 f5 47. Rf7 Kg4 48. Rh7 Rd2+ 49. Ke5 Re2 50. h5 Kg5 51. Rh8 Rh2 52. h6 Rxh6 53. Rxh6 Kxh6 54. Kxf5 1-0

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.29"]
[Round "3"]
[White "Quadra, Derek Erdmann"]
[Black "Da Silva, Matheus Augusto Bra"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1791"]
[BlackElo "1728"]
[PlyCount "78"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 Nf6 4. c4 dxc4 5. e3 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. a3 Nd5 9. Bg3 Bd6 10. Bxd6 Qxd6 11. Bxc4 Na5 12. Ba2 c5 13. e4 Nf4 14. g3 Ng6 15. d5 Ne5 16. Qf4 Nd3+ 17. Ke2 Nxf4+ 18. gxf4 Qxf4 19. dxe6 Qxe4+ 20. Kd2 Qxh1 21. exf7+ Ke7 22. b4 Rad8+ 23. Kc2 Qe4+ 24. Kc1 Nc4 25. Nc3 Qe1+ 26. Kc2 Qxa1 27. Bxc4 Rd7 28. bxc5 Rhd8 29. Ne4 Qd1+ 30. Kc3 Rd3+ 31. Kb4 R8d4 32. Nd6 Qd2+ 33. Ka4 a6 34. Nc8+ Kf8 35. Nb6 Rxc4+ 36. Nxc4 b5+ 37. cxb6 Qc2+ 38. Kb4 Qb3+ 39. Kc5 Qb5# 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.28"]
[Round "2"]
[White "Espindola, Carlos Marcelo"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1383"]
[BlackElo "1791"]
[PlyCount "18"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. 0-0 Nf6 6. c4 Bd6 7. cxd5 Ne7 8. Bg5 0-0 9. Bxf6 h6 1-0

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.28"]
[Round "1"]
[White "Quadra, Derek Erdmann"]
[Black "Weise, William Ferreira"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1791"]
[BlackElo "1754"]
[PlyCount "78"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. c4 Bb4+ 4. Nd2 Nc6 5. e3 Ne4 6. Ngf3 g5 7. Bg3 g4 8. a3 Ba5 9. b4 Nxb4 10. axb4 Bxb4 11. Ra4 a5 12. Bd3 Nc3 13. Bh4 Be7 14. Qa1 Nxa4 15. Qxa4 gxf3 16. Nxf3 Bxh4 17. 0-0 b6 18. g3 Be7 19. Be4 Rb8 20. Rb1 f5 21. Bd3 Bb7 22. Ne5 Bf6 23. c5 Bxe5 24. dxe5 Bc6 25. Bb5 bxc5 26. Qxa5 Rxb5 27. Rxb5 Bxb5 28. Qxb5 Qa8 29. Qxc5 Qd5 30. Qxc7 0-0 31. h3 Ra8 32. Qc3 Qd1+ 33. Kg2 Ra1 34. Qc8+ Kf7 35. g4 fxg4 36. hxg4 Qd5+ 37. Kh3 Rh1+ 38. Kg3 Rg1+ 39. Kh3 Qh1# 0-1

[Event "Santa Catarina State-ch U20"]
[Site "Blumenau"]
[Date "2018.08.26"]
[Round "5"]
[White "Quadra, Derek Erdmann"]
[Black "Lima da Silva, Christian Ghabriel"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "44"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. c4 Nf6 4. b3 c5 5. Nf3 Nc6 6. Bb2 Be7 7. Bd3 0-0 8. 0-0 Bd7 9. Bc2 Nb8 10. Qd2 cxd4 11. Qxd4 Qc7 12. Ng5 g6 13. Nd2 Ng4 14. g3 Bxg5 15. Nf3 Be7 16. h3 Nf6 17. Ne5 Bd6 18. Nxd7 Qxd7 19. Qc5 Bxc5 20. Bxf6 Be7 21. Bc3 f6 22. Rad1 Qc8 0-1

[Event "Santa Catarina State-ch U20"]
[Site "Blumenau"]
[Date "2018.08.26"]
[Round "6"]
[White "Quadra, Derek Erdmann"]
[Black "Martins, Arthur Francisco"]
[Result "0-1"]
[ECO "A06"]
[BlackElo "1663"]
[PlyCount "58"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 e6 3. c4 Nf6 4. Nf3 Nbd7 5. b3 c6 6. Bb2 Bd6 7. Bd3 0-0 8. Ba3 Qa5+ 9. Qd2 Qxd2+ 10. Nfxd2 Bxa3 11. Nxa3 Re8 12. 0-0 e5 13. Nc2 e4 14. Be2 Nf8 15. f3 Bf5 16. fxe4 Bxe4 17. Nxe4 Nxe4 18. Bf3 dxc4 19. Bxe4 Rxe4 20. bxc4 c5 21. d5 Rxc4 22. Rac1 Rd8 23. Rfd1 h6 24. d6 Ng6 25. Kf2 Ra4 26. Ne1 Rxa2+ 27. Kf3 c4 28. Rxc4 Ne5+ 29. Ke4 Nxc4 0-1

[Event "Santa Catarina State-ch U20"]
[Site "Blumenau"]
[Date "2018.08.25"]
[Round "3"]
[White "Custodio, Diego Henrique Mull"]
[Black "Quadra, Derek Erdmann"]
[Result "1-0"]
[ECO "C34"]
[WhiteElo "1600"]
[PlyCount "83"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. Nc3 g6 5. Bc4 Bh6 6. e5 Ng4 7. h3 Nxe5 8. Nxe5 Qe7 9. Qe2 d6 10. Nxf7 Qxe2+ 11. Kxe2 Rf8 12. Nxh6 Nc6 13. Bb5 Bd7 14. Bxc6 Bxc6 15. Rg1 0-0-0 16. d4 g5 17. d5 Bd7 18. Bd2 Rf6 19. Ng4 Rf5 20. Rae1 Rdf8 21. Kd1 c6 22. dxc6 Bxc6 23. Kc1 f3 24. gxf3 Bxf3 25. Ne3 Re5 26. Nc4 Rfe8 27. Nxd6+ Kd7 28. Nxe8 Rxe8 29. Rxe8 Kxe8 30. Rxg5 Kf7 31. Rf5+ Ke6 32. Rxf3 Kd7 33. Rf7+ Kc8 34. Bf4 b6 35. Kd2 h5 36. Kd3 a6 37. Kd4 b5 38. Kc5 Kd8 39. Kd6 Kc8 40. Nd5 h4 41. Nb6+ Kb8 42. Kc6# 1-0

[Event "Santa Catarina State-ch U20"]
[Site "Blumenau"]
[Date "2018.08.25"]
[Round "4"]
[White "Thurow, Richard Ariel"]
[Black "Quadra, Derek Erdmann"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1798"]
[PlyCount "96"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. 0-0 Ngf6 8. b3 g6 9. Ba3 Rc8 10. c4 Bg7 11. Nc3 dxc4 12. bxc4 0-0 13. Na4 Qa5 14. Ne5 Nxe5 15. dxe5 Rcd8 16. Qc2 Nd7 17. Rad1 Nxe5 18. Rxd8 Rxd8 19. Bxc5 Rc8 20. Bd4 Rxc4 21. Bc3 Qxa4 22. Qxa4 Rxa4 23. Rb1 b6 24. Rb2 Nf3+ 25. gxf3 Bxc3 26. Rc2 Bd4 27. Kg2 b5 28. Kg3 Kg7 29. f4 Ra3+ 30. f3 a5 31. Kg4 Kf6 32. h4 a4 33. Rc6+ Kg7 34. Rc2 b4 35. Rc1 Rxa2 36. Rb1 Rg2+ 37. Kh3 Rb2 38. Ra1 a3 39. Kg4 Rg2+ 40. Kh3 Bxa1 41. Kxg2 b3 42. Kf2 b2 43. Kg3 b1Q 44. f5 Be5+ 45. Kf2 Qd3 46. Kg2 Qd2+ 47. Kf1 Bd4 48. fxg6 Qf2# 0-1

[Event "Santa Catarina State-ch U20"]
[Site "Blumenau"]
[Date "2018.08.24"]
[Round "1"]
[White "Quadra, Derek Erdmann"]
[Black "Cezar, Ricardo de Almeida"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "1629"]
[PlyCount "55"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. c4 c6 4. Nf3 a6 5. b3 Bg4 6. Be2 e6 7. h3 Bh5 8. 0-0 Nbd7 9. Bb2 Bd6 10. c5 Bc7 11. Ne5 Bxe2 12. Qxe2 Nxe5 13. dxe5 Nd7 14. f4 Nxc5 15. f5 exf5 16. Rxf5 Ne4 17. Qh5 g6 18. Qg5 Nxg5 19. e6 0-0 20. Bf6 gxf5 21. Bxd8 Raxd8 22. e7 Be5 23. exd8Q Rxd8 24. Nc3 Bxc3 25. Rf1 Re8 26. Rxf5 Rxe3 27. Kf2 Ne4+ 28. Kg1 0-1

