[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.27"]
[Round "8"]
[White "Backes, Jorge Henrique Marx"]
[Black "Reimberg, Arthur Bernardo"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1939"]
[BlackElo "1695"]
[PlyCount "68"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Be6 7. d4 exd4 8. Nxd4 Nxc3 9. bxc3 Nxd4 10. cxd4 c6 11. 0-0 Be7 12. Rb1 Qd7 13. Qc2 Rc8 14. Rd1 0-0 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rxb7 Qa3 18. e3 Qa6 19. Rb2 Rfd8 20. Qc5 Bd5 21. e4 Be6 22. h4 Qa4 23. Bf3 h6 24. Kg2 Rb8 25. Rbd2 Rb4 26. d5 cxd5 27. exd5 Bg4 28. Bxg4 Rxg4 29. d6 Rg6 30. Rd4 Qd7 31. a4 Rf6 32. a5 Qb7+ 33. Rd5 Rfxd6 34. a6 Qa8 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.26"]
[Round "7"]
[White "Lopes, Eduardo Moraes"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "1880"]
[BlackElo "1939"]
[PlyCount "46"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be3 Nd7 7. Bd3 Ngf6 8. 0-0 b6 9. Qe2 Bb7 10. Rd1 cxd4 11. Bxd4 Qh5 12. Nbd2 Be7 13. Ne4 Nd5 14. Ng3 Qh6 15. c4 Nf4 16. Qe3 Rg8 17. Be4 Bxe4 18. Qxe4 Rd8 19. Be3 g5 20. Qc6 Qf6 21. Bxb6 e5 22. Qxf6 Bxf6 23. Bxd8 Bxd8 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "6"]
[White "Backes, Jorge Henrique Marx"]
[Black "De Siqueira, Luigy Lira"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1939"]
[BlackElo "2274"]
[PlyCount "58"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. c4 c6 2. Nf3 d5 3. g3 dxc4 4. a4 Na6 5. Na3 Be6 6. Qc2 Qd5 7. e4 Qc5 8. Nxc4 Nb4 9. Qc3 Nf6 10. Ng5 Bxc4 11. Bxc4 e6 12. d4 Qxd4 13. 0-0 Rd8 14. Be3 Qxc3 15. bxc3 Nc2 16. Ra2 Nxe3 17. fxe3 Rd7 18. e5 Nd5 19. Bxd5 cxd5 20. Kf2 Rc7 21. Rb2 Be7 22. Nf3 0-0 23. Rfb1 b6 24. a5 bxa5 25. Ra1 Rxc3 26. Rxa5 Bc5 27. Nd4 Rc8 28. Nb5 Rxe3 29. Nd6 Rb3+ 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "5"]
[White "De Moura Silva, Guilherme"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1776"]
[BlackElo "1939"]
[PlyCount "44"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd3 c5 7. 0-0 cxd4 8. exd4 Nc6 9. Bg5 Be6 10. c5 b6 11. Bb5 Qc7 12. Bxc6 Qxc6 13. Ne5 Qc8 14. c6 Re8 15. Qb3 Nh5 16. Nxd5 f6 17. g4 fxe5 18. gxh5 Qxc6 19. Nb4 Qd7 20. d5 Bf7 21. hxg6 hxg6 22. Rfd1 Qg4+ 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.24"]
[Round "4"]
[White "Backes, Jorge Henrique Marx"]
[Black "Viana, Dirceu"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1939"]
[BlackElo "2172"]
[PlyCount "50"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nc6 5. e4 e5 6. Nge2 f5 7. d3 Nh6 8. Be3 Ng4 9. Bd2 0-0 10. f3 Nh6 11. 0-0 Be6 12. Qc1 Nf7 13. Nd5 Ne7 14. Be3 c6 15. Nxe7+ Qxe7 16. d4 fxe4 17. fxe4 Bg4 18. Bf3 Bxf3 19. Rxf3 exd4 20. Nxd4 Bxd4 21. Bxd4 Ng5 22. Rxf8+ Rxf8 23. Qe3 c5 24. Bc3 Rf3 25. Qd2 Rxg3+ 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "De Oliveira, Joao Eudes"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1939"]
[BlackElo "1739"]
[PlyCount "91"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Nbd7 5. b3 g6 6. d4 Bg7 7. Ba3 c6 8. Nc3 Qa5 9. Qc1 Ne4 10. b4 Qc7 11. Nxe4 dxe4 12. Ng5 Bxd4 13. h4 Nf6 14. h5 Nxh5 15. Bb2 Qe5 16. Bxd4 Qxd4 17. Nxe4 Bd7 18. c5 0-0 19. Rxh5 gxh5 20. Qg5+ Kh8 21. Rd1 Qxb4+ 22. Kf1 Qb2 23. Nf6 Qc2 24. Rc1 Qg6 25. Qe5 Rfd8 26. Nxd7+ Kg8 27. Be4 f5 28. Nf6+ Kf7 29. Nxh5 Qxh5 30. Kg2 Qg6 31. Bf3 Qf6 32. Bh5+ Ke7 33. Qf4 e5 34. Qb4 Rd7 35. e4 Qg5 36. Rh1 Rad8 37. exf5 Kf6 38. Qb3 Re7 39. Bf3 Rd4 40. Rh5 Qg7 41. Qe3 Red7 42. Rh6+ Kxf5 43. Be2 a5 44. f3 a4 45. g4+ Rxg4+ 46. fxg4+ 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "3"]
[White "Mobaier, Sergio"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1881"]
[BlackElo "1939"]
[PlyCount "50"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 Nbd7 6. Be2 c5 7. c3 0-0 8. 0-0 b6 9. Nbd2 Bb7 10. a4 Rc8 11. a5 bxa5 12. Qa4 cxd4 13. exd4 e5 14. dxe5 dxe5 15. Be3 Nd5 16. Bxa7 Nf4 17. Bb5 Nc5 18. Bxc5 Rxc5 19. Qxa5 e4 20. Nb3 Rxb5 21. Qxb5 exf3 22. Qxb7 Nxh3+ 23. Kh2 Qh4 24. g3 Qh5 25. Rae1 Ng5+ 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "4"]
[White "Backes, Jorge Henrique Marx"]
[Black "Strapazon, Alice Kubiczewski"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1900"]
[BlackElo "1781"]
[PlyCount "59"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. d3 a5 8. 0-0 Ng4 9. h3 Nh6 10. Be3 f5 11. Qd2 Nf7 12. exf5 Bxf5 13. Bxb7 Bxh3 14. Bxa8 Bxf1 15. Rxf1 c6 16. Na4 Qc8 17. Qxa5 Nd7 18. Nac3 Qxa8 19. Qxa8 Rxa8 20. b4 Nh6 21. Bxh6 Bxh6 22. Rb1 Nb6 23. b5 cxb5 24. Rxb5 Nd7 25. Rd5 Ra6 26. a4 Bf8 27. Nb5 Nc5 28. Nec3 Kf7 29. Kg2 Ke7 30. d4 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "5"]
[White "Boabaid, Jorge Alberto Duard"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1746"]
[BlackElo "1900"]
[PlyCount "114"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. Nc3 d6 5. h3 Nd4 6. Bd3 g6 7. 0-0 Bg7 8. Bb1 Bd7 9. a4 Qa5 10. Ra3 e6 11. d3 Ne7 12. Bg5 h6 13. Bf4 Qc7 14. Re1 e5 15. Bd2 0-0 16. Nxd4 exd4 17. Ne2 a5 18. Ng3 Rae8 19. Bc2 f5 20. Qc1 Kh7 21. Bd1 g5 22. Bh5 Ng6 23. exf5 Rxe1+ 24. Qxe1 Bxf5 25. Nxf5 Rxf5 26. Qe4 Qf7 27. Ra1 b6 28. Rf1 d5 29. cxd5 Qxd5 30. Bf3 Qf7 31. Bg4 Re5 32. Qc6 Qf6 33. Qxf6 Bxf6 34. g3 Kg7 35. f4 gxf4 36. gxf4 Re8 37. Bh5 Re7 38. Bf3 Bh4 39. Be4 Kf6 40. Kg2 Rg7 41. Kf3 Ne7 42. Be1 Bxe1 43. Rxe1 h5 44. Kf2 h4 45. Rg1 Rxg1 46. Kxg1 Ng6 47. Bxg6 Kxg6 48. Kf2 Kf5 49. Kf3 c4 50. dxc4 d3 51. Ke3 d2 52. Kxd2 Kxf4 53. Ke2 Kg3 54. Ke3 Kxh3 55. Kf3 Kh2 56. Kf2 Kh3 57. Kf3 Kh2 1/2-1/2

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "Escalante, Vitor Gabriel Arauj"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "1900"]
[BlackElo "1829"]
[PlyCount "72"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 e6 5. 0-0 Be7 6. d4 0-0 7. Qc2 b6 8. Rd1 Bb7 9. b3 Nbd7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qe2 Qc7 15. Bf4 Bd6 16. Bg5 Be7 17. Rd2 h6 18. Bf4 Bd6 19. Bxd6 Qxd6 20. Ne5 Rfd8 21. Rad1 Qe7 22. Qf3 Nd7 23. Qf4 Nf6 24. g4 c5 25. Bxb7 Qxb7 26. g5 hxg5 27. Qxg5 Qc7 28. f3 Rxd4 29. Rxd4 cxd4 30. Rxd4 Qc5 31. Qe3 b5 32. Kf2 Qa3 33. Qd2 bxc4 34. bxc4 Qc5 35. Qe3 Qa5 36. Qd2 Qxe5 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "3"]
[White "Guimaraes, Victor Carib Crosla"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1526"]
[BlackElo "1900"]
[PlyCount "105"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6. Qb3 Bf5 7. dxc5 Qxb3 8. Nxb3 e5 9. Bg3 a5 10. Bb5 a4 11. Nd2 Nd7 12. Ngf3 f6 13. 0-0 Bxc5 14. b4 Be7 15. a3 Nb6 16. Rac1 0-0 17. c4 Bd3 18. Rfd1 Rfd8 19. Bxc6 bxc6 20. cxd5 cxd5 21. Rc3 Bb5 22. Rdc1 Rac8 23. h3 Rxc3 24. Rxc3 Rc8 25. Nb1 Rc6 26. Nfd2 Nc4 27. Nxc4 Rxc4 28. f3 Kf7 29. Rxc4 Bxc4 30. Be1 Ke6 31. Bc3 Bd8 32. Nd2 Bd3 33. Kf2 Bb6 34. Bb2 f5 35. g3 g5 36. f4 gxf4 37. gxf4 exf4 38. Bd4 fxe3+ 39. Kxe3 Bxd4+ 40. Kxd4 Be2 41. Kc5 Ke5 42. b5 f4 43. b6 Ba6 44. Nf3+ Ke4 45. Ng5+ Ke3 46. Kxd5 h6 47. h4 Bb7+ 48. Kd6 f3 49. Nh3 f2 50. Nxf2 Kxf2 51. Kc7 Be4 52. b7 Bxb7 53. Kxb7 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.25"]
[Round "1"]
[White "Machado, Matheus S Franco"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1807"]
[BlackElo "1900"]
[PlyCount "118"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. a4 Nc6 4. Bc4 e6 5. Nc3 Nf6 6. e5 Ng4 7. Qe2 Qc7 8. d3 Ngxe5 9. Nxe5 Nd4 10. Qh5 d5 11. Qxf7+ Qxf7 12. Nxf7 Kxf7 13. Bb3 c4 14. Be3 Nf5 15. dxc4 d4 16. g4 Nxe3 17. fxe3 dxc3 18. 0-0+ Ke8 19. bxc3 Bc5 20. Rf3 Rf8 21. Rxf8+ Kxf8 22. Rf1+ Ke7 23. Kf2 Bd7 24. Ke2 a5 25. Rf3 Rf8 26. Rh3 h6 27. Rf3 Rf6 28. h4 Bc6 29. Rg3 Bd6 30. Rg1 Bh2 31. Rf1 Rxf1 32. Kxf1 Bg3 33. h5 Bf3 34. c5 Bxg4 35. Kg2 Be5 36. Bc4 Bxh5 37. Bd3 Bxc3 38. Be4 Be8 39. Bxb7 Bxa4 40. Ba6 Bb4 41. Kf3 Bxc5 42. c3 Bc6+ 43. Kf4 a4 44. e4 g5+ 45. Kf3 h5 46. Bd3 Kd6 47. c4 Ke5 48. Bc2 a3 49. Bb1 Kd4 50. Ke2 Bxe4 51. Ba2 Kc3 52. Kd1 Kb2 53. Kd2 Kxa2 54. Kd1 Kb2 55. Ke1 a2 56. Kd2 a1Q 57. Ke2 Qa3 58. Kd2 Qe3+ 59. Kd1 Bf3# 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "7"]
[White "Backes, Jorge Henrique Marx"]
[Black "Da Silva Borges, Rodrigo"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1888"]
[BlackElo "2199"]
[PlyCount "50"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6 5. Ncxe4 Nxe4 6. Nxe4 d5 7. cxd5 cxd5 8. Ng3 h5 9. e3 Nc6 10. Nxh5 Bd6 11. Bb5 Qg5 12. Bxc6+ bxc6 13. Qa4 Bd7 14. Nf4 c5 15. Qa6 Bxf4 16. exf4 Qxg2 17. Qf1 Qg6 18. Rg1 Qc2 19. Rg3 Kf8 20. Re3 Rxh2 21. Qg1 Rh6 22. d3 d4 23. Re5 f6 24. Re2 Qxd3 25. Bd2 Bg4 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "6"]
[White "Backes, Jorge Henrique Marx"]
[Black "Ribeiro, Dionatan Lua Franze"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1888"]
[BlackElo "1811"]
[PlyCount "77"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 Nbd7 7. Qc2 Re8 8. Bf4 c6 9. Nbd2 dxc4 10. Nxc4 Nb6 11. Nce5 Nfd5 12. Bd2 Bf6 13. e4 Ne7 14. Nxf7 Kxf7 15. e5 Ng6 16. exf6 gxf6 17. h4 h5 18. Rad1 Nd5 19. Rfe1 Bd7 20. a3 Rh8 21. Re2 Qc7 22. Rde1 Rag8 23. Kf1 Nge7 24. Bh3 e5 25. Bxd7 Qxd7 26. Kg2 exd4 27. Nxd4 Qg4 28. Re4 Qd7 29. Bb4 Ng6 30. Kh2 Ne5 31. Qe2 Nxb4 32. axb4 Re8 33. Kg2 Qd5 34. f3 a6 35. Rd1 Ng4 36. Ne6 Qb5 37. Rd7+ Kg6 38. Rg7+ Kh6 39. Qd2+ 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.07"]
[Round "5"]
[White "Machado, Leonardo Ribeiro"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1795"]
[BlackElo "1888"]
[PlyCount "72"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bc4 Nc6 4. 0-0 Bg7 5. c3 e6 6. Re1 Nge7 7. d3 d5 8. Bb5 0-0 9. e5 Bd7 10. d4 Nxe5 11. Nxe5 Bxb5 12. Na3 Ba6 13. dxc5 Qc7 14. Bf4 Bxe5 15. Bxe5 Qxc5 16. Qg4 Nf5 17. Qg5 f6 18. Bxf6 Rae8 19. h4 Qc7 20. g4 Qf7 21. gxf5 Qxf6 22. Qxf6 Rxf6 23. fxe6 Rfxe6 24. Nc2 Re2 25. Rac1 Bd3 26. Rxe2 Rxe2 27. Ne3 Rxb2 28. Nxd5 Rxa2 29. Nb4 Rd2 30. Ra1 a6 31. Kg2 Be4+ 32. Kg3 Kf7 33. Re1 Bf5 34. Re5 Be6 35. h5 Kf6 36. Re3 Bf5 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "4"]
[White "Backes, Jorge Henrique Marx"]
[Black "De Macedo, Lorenzo Scavone Zor"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1888"]
[BlackElo "1741"]
[PlyCount "63"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. g3 Be7 5. d4 exd4 6. Nxd4 0-0 7. Bg2 Bc5 8. Nb3 Bb4 9. Bd2 Ne5 10. Nd5 Bxd2+ 11. Nxd2 Nxd5 12. cxd5 c6 13. 0-0 cxd5 14. Bxd5 Qb6 15. Nb3 d6 16. Qd2 Be6 17. Rac1 Rad8 18. Rc2 Bf5 19. Rc3 Nc6 20. a3 Ne7 21. Bg2 Rc8 22. Rfc1 Rxc3 23. Rxc3 Be6 24. Nd4 Rc8 25. Nxe6 fxe6 26. Rxc8+ Nxc8 27. Qc3 Ne7 28. Bh3 d5 29. Qe5 Kf8 30. Bxe6 Qd8 31. Qf4+ Ke8 32. Qf7# 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "Scharlau Pereira, Tiago"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1888"]
[BlackElo "1494"]
[PlyCount "41"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 Nbd7 7. 0-0 e5 8. d3 c6 9. h3 Rb8 10. Be3 a5 11. a4 Nc5 12. f4 exf4 13. gxf4 Re8 14. Ng3 Nh5 15. Nxh5 gxh5 16. d4 Ne6 17. f5 Ng5 18. Qxh5 f6 19. Rad1 Re7 20. Bxg5 fxg5 21. f6 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.06"]
[Round "3"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2296"]
[BlackElo "1888"]
[PlyCount "73"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nh3 0-0 6. 0-0 d6 7. d5 h6 8. Nc3 e5 9. dxe6 c6 10. e4 Nxe4 11. Nxe4 fxe4 12. Nf4 g5 13. e7 Qxe7 14. Ng6 Qe6 15. Nxf8 Bxf8 16. Qd4 Na6 17. Qxe4 Nc5 18. Qc2 Qf5 19. Qd1 Be6 20. b3 Bg7 21. Be3 Bxa1 22. Qxa1 Re8 23. Qd4 Bf7 24. Qxd6 Ne6 25. Qd7 Rb8 26. Bxa7 Rd8 27. Qxb7 c5 28. Bb6 Rd2 29. Qa8+ Kg7 30. Ba5 Re2 31. Bc3+ Kg6 32. a4 g4 33. Qd5 Qc2 34. Qd1 Nd4 35. Bxd4 cxd4 36. Qxc2+ Rxc2 37. Be4+ 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.05.05"]
[Round "1"]
[White "Calazans, Joao Pedro Arsego"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1800"]
[BlackElo "1888"]
[PlyCount "110"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "7"]
[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. c3 d5 4. exd5 Qxd5 5. Na3 Bg7 6. d4 Nf6 7. h3 0-0 8. Be3 cxd4 9. cxd4 Nc6 10. Nb5 Bf5 11. a3 Rad8 12. Qa4 Qd7 13. Nc3 Ne4 14. Bb5 Nxc3 15. bxc3 Be4 16. 0-0-0 Qc7 17. Kb2 e6 18. h4 Rc8 19. Rc1 a6 20. Be2 b5 21. Qd1 Rfd8 22. Bd3 Bxd3 23. Qxd3 Na5 24. Nd2 Qe7 25. h5 Nc4+ 26. Nxc4 bxc4 27. Qe2 Bf8 28. Ra1 Qb7+ 29. Kc1 Rb8 30. Qc2 Qxg2 31. Kd2 Qf3 32. hxg6 fxg6 33. Rhg1 Qf5 34. Rg5 Qf7 35. Ra5 Rb3 36. Rxa6 Qb7 37. Ra7 Qxa7 38. Qe4 Qf7 39. Qc6 e5 40. a4 exd4 41. cxd4 Rdb8 42. d5 Rd3+ 43. Ke1 Rxd5 44. Rc1 c3 45. Bf4 Re8+ 46. Kf1 Rf5 47. Bg3 Bg7 48. Rb1 Rf8 49. Rb7 Rxf2+ 50. Kg1 Rf1+ 51. Kh2 Qf2+ 52. Kh3 Qe2 53. Qd5+ Kh8 54. Rxg7 Kxg7 55. Qd4+ Kh6 0-1

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.14"]
[Round "9"]
[White "Backes, Jorge Henrique Marx"]
[Black "Mesquita, Arnaldo Leite"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "1905"]
[BlackElo "1732"]
[PlyCount "46"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 a6 9. b3 Nxd4 10. Qxd4 d6 11. Bb2 Rb8 12. Rad1 Be6 13. Nd5 Ne8 14. Qd2 Bxd5 15. Bxd5 Bxb2 16. Qxb2 Qc8 17. Rc1 Nf6 18. Bg2 Qf5 19. Qd4 Qc5 20. Qf4 b6 21. Rc3 Kg7 22. g4 g5 23. Qg3 Qa3 1/2-1/2

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.13"]
[Round "8"]
[White "Hirano, Enzo Erich Kreutz"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1691"]
[BlackElo "1905"]
[PlyCount "98"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[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 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. a4 b4 8. Nd1 a5 9. c3 c5 10. Bd3 Qb6 11. Ne2 Bg7 12. 0-0 0-0 13. Nf2 Bb7 14. Bh6 cxd4 15. cxd4 e5 16. Be3 exd4 17. Bxd4 Nc5 18. Bb5 Ba6 19. Bxa6 Qxa6 20. Qe3 Rfe8 21. Ng3 Nd5 22. Qd2 Nb3 23. Qd1 Nxa1 24. Bxg7 Ne3 25. Qxa1 Nxf1 26. Nxf1 Kxg7 27. b3+ Kg8 28. Ng4 Qa7+ 29. Nfe3 Re5 30. Kf2 Rc8 31. f4 Rc2+ 32. Kf3 f5 33. Nf6+ Kf7 34. Nxc2 Rc5 35. Ne3 Rc3 36. Nfd5 fxe4+ 37. Kxe4 Qa8 38. Qd1 Qc6 39. Kf3 Ke6 40. Kf2 Rc1 41. Qd2 Qc5 42. Qb2 Kd7 43. Qg7+ Kc8 44. Qf8+ Kb7 45. Qg7+ Ka6 46. Qb2 Kb7 47. Qe2 Rb1 48. Qd3 Rc1 49. Kg3 Ka7 1/2-1/2

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.12"]
[Round "7"]
[White "Backes, Jorge Henrique Marx"]
[Black "Cordero, Daniela"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1905"]
[BlackElo "1967"]
[PlyCount "60"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. Nf3 c6 5. Nxe7 Qxe7 6. d3 d5 7. e3 Nf6 8. Be2 0-0 9. 0-0 e4 10. Nd4 c5 11. Nb5 exd3 12. Bxd3 dxc4 13. Bxc4 Rd8 14. Qc2 a6 15. Nc3 b5 16. Be2 Bb7 17. Bd2 Nc6 18. Rad1 Ne5 19. f3 c4 20. Bc1 h6 21. a3 Qc5 22. Kh1 a5 23. Rxd8+ Rxd8 24. Rd1 Rc8 25. a4 b4 26. Nb5 Bc6 27. f4 Neg4 28. Bxc4 Qh5 29. Bxf7+ Kxf7 30. h3 Qxh3+ 0-1

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.11"]
[Round "6"]
[White "Terao, Juliana Sayumi"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2240"]
[BlackElo "1905"]
[PlyCount "69"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 a6 7. a4 Nc6 8. Be3 e5 9. h3 exd4 10. Nxd4 Re8 11. Bf3 Ne5 12. Re1 b6 13. Bg5 h6 14. Bh4 Qd7 15. Be2 Bb7 16. Bf1 Nc6 17. Nb3 Nb4 18. Qd2 c5 19. a5 Qc6 20. Bxf6 Bxf6 21. axb6 Qxb6 22. Na5 Bc8 23. Nc4 Qd8 24. Na4 Ra7 25. c3 Nc6 26. Qxd6 Ne5 27. Qxd8 Rxd8 28. Nxe5 Bxe5 29. Nxc5 a5 30. g3 Rd2 31. Red1 Rxd1 32. Rxd1 Be6 33. f4 Bf6 34. Nxe6 fxe6 35. Bc4 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.10"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Lima, Stefan Moisei Vieir"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "1905"]
[BlackElo "2076"]
[PlyCount "41"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 Qd7 7. Rb1 b6 8. e3 Bxc3 9. bxc3 Bb7 10. d4 0-0-0 11. Qa4 Na5 12. Qc2 Nf6 13. Qe2 Qf5 14. Nd2 Bxg2 15. Kxg2 e5 16. e4 Qe6 17. d5 Qe7 18. Nb3 Nb7 19. a4 a5 20. Bg5 Kc7 21. Qf3 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.10"]
[Round "4"]
[White "Gomes, Carlos"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1566"]
[BlackElo "1905"]
[PlyCount "86"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bd3 Nc6 6. a3 e5 7. d5 Ne7 8. Ne2 Bg4 9. Ng3 c6 10. c4 b5 11. dxc6 bxc4 12. Bxc4 0-0 13. h3 Bxf3 14. Qxf3 Nxc6 15. 0-0 Nd4 16. Qd3 Nd7 17. b4 Nb6 18. Be3 Nxc4 19. Qxc4 Rc8 20. Qd3 d5 21. Bxd4 exd4 22. Rfc1 Qd6 23. Rxc8 Rxc8 24. exd5 Qxd5 25. Ne2 Rd8 26. Rd1 h5 27. Nf4 Qe5 28. Ne2 Bf8 29. Qf3 h4 30. Qd3 g5 31. Kf1 Bg7 32. g3 Rd6 33. Kg2 Rf6 34. Rf1 Qd5+ 35. f3 Re6 36. Rf2 Re3 37. Qa6 d3 38. Nc3 Qe5 39. Ne4 f5 40. Qc8+ Bf8 41. Qc4+ Kh8 42. Qc3 Rxe4 43. Qxe5+ Rxe5 0-1

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.09"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Henrique, Leticia Fritz"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1905"]
[BlackElo "1501"]
[PlyCount "97"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 Be6 4. Nf3 Nc6 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 Ne7 8. b3 Nc6 9. Qd2 Be7 10. Bb2 Bf6 11. Bg2 Qd7 12. Nd5 Bxb2 13. Qxb2 0-0 14. 0-0 Rae8 15. Rad1 Nd8 16. Rfe1 c6 17. Nf4 Re7 18. Qa3 Rfe8 19. Rxd6 Qc7 20. Red1 a6 21. e4 Bc8 22. c5 f5 23. f3 fxe4 24. fxe4 Nf7 25. R6d4 Ng5 26. Qb4 Kh8 27. h3 Ne6 28. Nxe6 Bxe6 29. Kh2 Qe5 30. Rd8 Qc7 31. Qd4 h5 32. e5 Bg8 33. Rxe8 Rxe8 34. Qd6 Qe7 35. Re1 a5 36. Qd1 g6 37. Qd2 Qxc5 38. Qh6+ Bh7 39. e6 Qe7 40. Qf4 Rf8 41. Qe5+ Rf6 42. Qxa5 Rxe6 43. Qa8+ Kg7 44. Rxe6 Qxe6 45. Qxb7+ Kh6 46. Qxc6 Qe2 47. Qc1+ g5 48. h4 Be4 49. Qxg5+ 1-0

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.08"]
[Round "2"]
[White "Gomes, Genildo de Souza"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1651"]
[BlackElo "1905"]
[PlyCount "68"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 f5 2. h4 Nf6 3. h5 e6 4. Bg5 Be7 5. Nf3 Ne4 6. Bh4 g5 7. hxg6 Bxh4 8. Rxh4 Qf6 9. Rxh7 Rxh7 10. gxh7 Qg7 11. Nbd2 Nf6 12. Ng5 Nxh7 13. Nxh7 Qxh7 14. Nf3 b6 15. d5 Bb7 16. dxe6 dxe6 17. Qd3 Nc6 18. Qe3 Qe7 19. Qg5 Qxg5 20. Nxg5 Ke7 21. 0-0-0 Ne5 22. f3 Rg8 23. Nh3 Nc4 24. Rd3 e5 25. Rc3 Bd5 26. b3 Nd6 27. Rxc7+ Kd8 28. Rxa7 f4 29. c4 Be6 30. Nf2 Rh8 31. Kd2 Nf5 32. b4 Ne3 33. Ke1 Nc2+ 34. Kd2 Ne3 1/2-1/2

[Event "Rio de Janeiro Duchamp op 4th"]
[Site "Rio de Janeiro"]
[Date "2022.12.07"]
[Round "1"]
[White "Backes, Jorge Henrique Marx"]
[Black "El Debs, Felipe de Cresce"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1905"]
[BlackElo "2545"]
[PlyCount "34"]
[EventDate "2022.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Be7 8. Rb1 0-0 9. b4 a6 10. a4 Bf5 11. b5 axb5 12. axb5 Nd4 13. d3 Bg4 14. Nxe5 Na4 15. Rb2 Nxc3 16. Qd2 Ncxe2+ 17. Kh1 Be6 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Backes, Jorge Henrique Marx"]
[Black "Machado, Hualason Jose Soare"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1821"]
[BlackElo "2041"]
[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. c4 e5 2. Nc3 Bc5 3. Nf3 Nc6 4. e3 Bb4 5. Nd5 a5 6. a3 Bf8 7. d4 e4 8. Nd2 f5 9. f3 exf3 10. Qxf3 g6 11. h4 Nce7 12. h5 Nxd5 13. cxd5 Bg7 14. d6 cxd6 15. Bc4 Nh6 16. Qg3 Qf6 17. 0-0 Rb8 18. Ne4 Qe7 19. Nxd6+ Kd8 20. Nb5 d6 21. Nxd6 b5 22. Nxb5 Rb6 23. Bd2 Ra6 24. e4 Ng4 25. exf5 gxf5 26. Rae1 Qd7 27. Rxf5 Bxd4+ 28. Kh1 Rc6 29. Bxa5+ Bb6 30. Bxb6+ Rxb6 31. Qh4+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "Borger, Daniel"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1556"]
[BlackElo "1821"]
[PlyCount "104"]
[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. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. g4 Nb6 8. h4 h5 9. g5 Nfd7 10. b3 Bg7 11. Bh3 0-0 12. Nge2 b4 13. Nd1 c5 14. Nf2 cxd4 15. Bxd4 Ne5 16. Qe3 Nbd7 17. f4 Nc6 18. Bxg7 Kxg7 19. 0-0 Bb7 20. c4 bxc3 21. Nxc3 Qb6 22. Qxb6 Nxb6 23. Rac1 e6 24. f5 Rfe8 25. Rfd1 Rad8 26. f6+ Kf8 27. Nd3 Nd4 28. Kf2 e5 29. Ke3 Ba8 30. Nb4 a5 31. Na6 d5 32. Nc7 dxe4 33. Nxe8 Kxe8 34. Ne2 Nd5+ 35. Kf2 Nxe2 36. Kxe2 Nf4+ 37. Kf1 Rxd1+ 38. Rxd1 Nxh3 39. Rc1 Kd7 40. Rc5 a4 41. Rxe5 axb3 42. axb3 Kd6 43. Re8 Bd5 44. b4 Nf4 45. Rd8+ Kc7 46. Re8 Be6 47. b5 Bd5 48. Kf2 Kd7 49. Re7+ Kd6 50. b6 Nd3+ 51. Ke3 Nc5 52. Rc7 Nb7 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "De Vjunior, Liduino Furtado"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1821"]
[BlackElo "2097"]
[PlyCount "42"]
[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. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Nc6 7. Nge2 Bg4 8. h3 Bh5 9. 0-0 Be7 10. g4 Bg6 11. f4 exf4 12. Nxf4 0-0 13. Nxg6 hxg6 14. b3 f5 15. gxf5 gxf5 16. Bb2 Qd3 17. Rf2 Bh4 18. Rf4 Bg3 19. Bxc6 Bxf4 20. Bb5 Bxe3+ 21. Kg2 Qxd2+ 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "6"]
[White "Pereira, Geanfrancesco"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2100"]
[BlackElo "1821"]
[PlyCount "53"]
[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 d6 2. Nc3 Nf6 3. f4 g6 4. Nf3 Bg7 5. Bc4 0-0 6. 0-0 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 c5 10. c3 Nc6 11. d3 Qb6 12. Qb3 Nb4 13. Qd1 f5 14. cxb4 fxe4 15. dxe4 cxb4+ 16. Kh1 Be6 17. e5 Bh6 18. Qe1 Bxf4 19. Qh4 Bxe5 20. Bh6 Bf6 21. Ng5 Qb5 22. Qe1 Bc4 23. Rxf6 exf6 24. Qe7 Rf7 25. Nxf7 Qe8 26. Qxe8+ Rxe8 27. Nd6 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "Almeida Junior, Alvaro Alves de"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1821"]
[BlackElo "2120"]
[PlyCount "79"]
[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. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Nc6 7. Nge2 Be7 8. 0-0 0-0 9. f4 f5 10. fxe5 Nxe5 11. d4 Ng4 12. b3 c5 13. h3 Nf6 14. Ba3 c4 15. Bc5 Nbd7 16. Bxe7 Qxe7 17. bxc4 Qxe3+ 18. Kh2 Qh6 19. Kg1 Qe3+ 20. Kh2 Qh6 21. Qc1 Ng4+ 22. Kg1 Ne3 23. Rf2 Nb6 24. c5 Nbc4 25. Nd5 Kh8 26. Nef4 Nxg2 27. Kxg2 Na5 28. Qd2 Nc6 29. Nc7 Rb8 30. d5 Nd8 31. Re1 Nf7 32. Nfe6 Bxe6 33. dxe6 Ng5 34. h4 Ne4 35. Rxe4 fxe4 36. Rxf8+ Rxf8 37. e7 Rg8 38. e8Q Rxe8 39. Nxe8 Qg6 40. Nd6 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Cordeiro, Marco Aurelio Zaror"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2165"]
[BlackElo "1821"]
[PlyCount "88"]
[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 d6 2. d4 Nf6 3. f3 g6 4. Nc3 a6 5. Be3 b5 6. Qd2 Nbd7 7. 0-0-0 Nb6 8. d5 Bb7 9. Qf2 b4 10. Nb1 Bg7 11. Bd3 Rc8 12. Ne2 Na4 13. Bd4 c5 14. dxc6 Rxc6 15. b3 Nc5 16. Bxc5 Rxc5 17. Kd2 Qa5 18. Ke1 Qxa2 19. Nd2 0-0 20. Nc4 Nd7 21. Kf1 d5 22. Nb6 Rc7 23. Nxd5 Bxd5 24. exd5 Qb2 25. Nf4 Nc5 26. Bc4 Nb7 27. Nd3 Qa3 28. Qb6 Rfc8 29. Qxb4 Qa2 30. Qd2 Nd6 31. Nb4 Nxc4 32. Nxa2 Nxd2+ 33. Rxd2 Rxc2 34. Ke2 Bh6 35. Rhd1 Bxd2 36. Rxd2 Rxd2+ 37. Kxd2 Rd8 38. Nc3 e6 39. Kd3 exd5 40. b4 Kf8 41. Kd4 Ke7 42. b5 a5 43. b6 Kd6 44. Na4 Kc6 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Roeder, Larissa Taina"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1821"]
[PlyCount "59"]
[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 d6 2. Bc4 Nf6 3. d3 g6 4. Nf3 Bg7 5. c3 0-0 6. 0-0 Nc6 7. Be3 Na5 8. Bb3 Nxb3 9. Qxb3 Ng4 10. Re1 Nxe3 11. Rxe3 a5 12. Qd1 c5 13. Nbd2 b5 14. a3 Ba6 15. d4 cxd4 16. cxd4 Qb6 17. Nf1 b4 18. a4 Rac8 19. b3 Rc7 20. Rb1 Rfc8 21. e5 Bh6 22. exd6 Qxd6 23. g3 Bxf1 24. Qxf1 Bxe3 25. fxe3 Qd5 26. Nd2 Rc2 27. Qe1 R8c3 28. h4 Rd3 29. Rd1 Rxb3 30. Nxb3 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "9"]
[White "Backes, Jorge Henrique Marx"]
[Black "Guimaraes, Artemis Pamela"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "1761"]
[BlackElo "1980"]
[PlyCount "112"]
[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 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c5 5. b3 Nc6 6. Bb2 d4 7. e3 e5 8. exd4 cxd4 9. d3 Bd6 10. 0-0 0-0 11. Re1 Re8 12. Na3 a6 13. Nc2 h6 14. b4 Bg4 15. c5 Bc7 16. h3 Bh5 17. a4 Nd5 18. g4 Bg6 19. b5 axb5 20. axb5 Rxa1 21. Bxa1 Ncb4 22. Bf1 Na2 23. b6 Bb8 24. Na3 Nac3 25. Qb3 h5 26. g5 e4 27. dxe4 Bxe4 28. Rxe4 Rxe4 29. Bxc3 Nxc3 30. g6 Qf6 31. Qxf7+ Qxf7 32. gxf7+ Kxf7 33. Ng5+ Kf6 34. Nxe4+ Nxe4 35. Bg2 Nxc5 36. Kf1 d3 37. Nc4 Bf4 38. Ke1 Kf5 39. Na5 d2+ 40. Kd1 Na4 41. Bf3 g6 42. Nxb7 Nxb6 43. Na5 Na4 44. Kc2 Nc5 45. Be2 Ne4 46. Bd3 d1Q+ 47. Kxd1 Ke5 48. Nc6+ Kd5 49. Ne7+ Kd4 50. Bxe4 Kxe4 51. Nxg6 Bd6 52. Ke2 Kf5 53. Nh4+ Kf4 54. Ng2+ Kg5 55. Kd3 Bc5 56. f3 Kf5 1/2-1/2

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "8"]
[White "Gruettner, Ralf"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2099"]
[BlackElo "1761"]
[PlyCount "85"]
[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 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Nf3 0-0 7. 0-0 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Na6 11. Bf4 Qb6 12. Ng5 Rfe8 13. Nxe6 Rxe6 14. Rad1 Rd8 15. Qc2 Nc5 16. a3 a5 17. Qb1 Qb3 18. Qa2 Qxa2 19. Nxa2 Rxe2 20. Nc3 Rxb2 21. Bxd6 Ncd7 22. Bc7 Re8 23. Bxa5 b6 24. Bxc6 bxa5 25. Na4 Ra2 26. Bxd7 Nxd7 27. Rxd7 Rxa3 28. Nb6 Rb3 29. Nd5 a4 30. c5 a3 31. c6 a2 32. c7 Rb1 33. Rd8 Rxf1+ 34. Kg2 Rg1+ 35. Kh3 Rxd8 36. cxd8Q+ Bf8 37. Nf6+ Kg7 38. Nd7 Bd6 39. Qf6+ Kh6 40. Qh4+ Kg7 41. Qf6+ Kh6 42. Qh4+ Kg7 43. Qf6+ 1/2-1/2

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.24"]
[Round "7"]
[White "Backes, Jorge Henrique Marx"]
[Black "Heinechen, John"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1761"]
[BlackElo "1974"]
[PlyCount "58"]
[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 g6 2. g3 Bg7 3. Bg2 d6 4. Nc3 e5 5. e4 Ne7 6. d3 0-0 7. h4 h6 8. Be3 f5 9. Qd2 Kh7 10. Nge2 Nbc6 11. 0-0-0 Nd4 12. f4 h5 13. fxe5 dxe5 14. Bg5 Nxe2+ 15. Qxe2 c6 16. Bh3 f4 17. gxf4 exf4 18. Rdf1 Bxh3 19. Rxh3 Qc7 20. Rhf3 Be5 21. Qd2 Rad8 22. Bxf4 Bxf4 23. Rxf4 Rxf4 24. Qxf4 Qxf4+ 25. Rxf4 Kg7 26. Kd2 g5 27. hxg5 Ng6 28. Rf3 Ne5 29. Rh3 Kg6 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Heinechen, Juan"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1761"]
[BlackElo "2110"]
[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. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e6 6. d3 Nge7 7. Bg5 h6 8. Bd2 0-0 9. Qc1 Kh7 10. Ne4 d6 11. Bc3 e5 12. 0-0 f5 13. Ned2 Rb8 14. b3 Be6 15. a3 d5 16. cxd5 Nxd5 17. Bb2 Nd4 18. Re1 Ne7 19. Qxc5 b6 20. Qb4 Nc2 21. Qa4 Bd7 22. Qxa7 Nxa1 23. Rxa1 Nc6 24. Qa6 b5 25. Rc1 Rb6 26. Rxc6 Rxa6 27. Rxa6 Qc7 28. a4 bxa4 29. bxa4 Re8 30. Ba3 e4 31. dxe4 Bc8 32. Ra8 fxe4 33. Nxe4 Rxe4 34. Ng5+ hxg5 35. Bxe4 Bh3 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "6"]
[White "Nery Junior, Jose Antonio"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2121"]
[BlackElo "1761"]
[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. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 Nbd7 6. Qd2 b5 7. 0-0-0 Qa5 8. Kb1 b4 9. Nce2 Rb8 10. Nc1 Qc7 11. g4 Nb6 12. Bd3 a5 13. Nge2 Be6 14. g5 Nfd7 15. f4 Nc4 16. Bxc4 Bxc4 17. Nd3 a4 18. b3 axb3 19. cxb3 Ba6 20. Rc1 h6 21. h4 Bg7 22. h5 gxh5 23. Rxh5 hxg5 24. Rxh8+ Bxh8 25. Rh1 Bg7 26. fxg5 Nf8 27. Ng3 c5 28. dxc5 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.22"]
[Round "4"]
[White "Lima, Hamilton Da Silva"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1761"]
[PlyCount "64"]
[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 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bd3 Nc6 6. h3 0-0 7. a3 e5 8. d5 Ne7 9. Ne2 Nh5 10. Be3 f5 11. exf5 gxf5 12. Bc4 f4 13. Bd2 e4 14. Ng5 f3 15. gxf3 exf3 16. Nc3 Nf4 17. Qxf3 Neg6 18. Nce4 h6 19. Ne6 Nxe6 20. dxe6 d5 21. Qg3 Bxe6 22. 0-0-0 Qe8 23. Rhg1 dxc4 24. Bb4 Bf5 25. f3 Rf7 26. h4 Qe5 27. Qxe5 Nxe5 28. Bc3 Nxf3 29. Rxg7+ Rxg7 30. Nf6+ Kf7 31. b3 Rg2 32. Kb1 Rxc2 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Souza, Neurismar da Rocha"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1761"]
[BlackElo "1535"]
[PlyCount "65"]
[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 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 b6 5. 0-0 Bb7 6. b3 Nbd7 7. Bb2 Be7 8. d3 0-0 9. e3 c5 10. Nc3 Bc6 11. Ne2 Qc7 12. Rc1 dxc4 13. bxc4 Ng4 14. h3 Ngf6 15. g4 Rad8 16. Ng3 Qb7 17. g5 Ne8 18. e4 g6 19. Qd2 Bd6 20. Nh2 f5 21. f4 Ng7 22. h4 Rf7 23. h5 Kf8 24. Rce1 e5 25. exf5 Nxf5 26. Nxf5 Rxf5 27. fxe5 Be7 28. Rxf5+ gxf5 29. g6 Kg7 30. e6+ Nf6 31. h6+ Kf8 32. Qg5 Rd4 33. Bxd4 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "2"]
[White "Zuriel, Marisa"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2178"]
[BlackElo "1761"]
[PlyCount "33"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. Nf3 Qa5 7. Bd3 Bg7 8. h3 b5 9. 0-0 b4 10. Ne2 e5 11. dxe5 dxe5 12. Bh6 0-0 13. Ng3 Re8 14. Bxg7 Kxg7 15. Qg5 Nc5 16. Nh4 Ng8 17. Nh5+ 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.20"]
[Round "1"]
[White "Backes, Jorge Henrique Marx"]
[Black "Andrade, Moacir Belarmino F"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1761"]
[BlackElo "1476"]
[PlyCount "67"]
[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 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 Be7 5. e3 0-0 6. Nge2 d6 7. d4 Bg4 8. d5 Nb8 9. f3 Bd7 10. 0-0 Qc8 11. g4 h6 12. Ng3 c6 13. Bd2 Nh7 14. e4 Bg5 15. Nf5 Bxf5 16. exf5 Qd8 17. b4 Nd7 18. dxc6 bxc6 19. Bxg5 Qxg5 20. Qxd6 Qe3+ 21. Kh1 Qxc3 22. Qxd7 Qxc4 23. Qd6 Qd5 24. Rfd1 Qxd6 25. Rxd6 Rfb8 26. f4 Rxb4 27. fxe5 Rab8 28. Bxc6 Rxg4 29. Re1 Ng5 30. e6 fxe6 31. fxe6 Nh3 32. Rd2 Rg6 33. e7 Rxc6 34. e8Q+ 1-0

[Event "Porto Alegre Regional Sul"]
[Site "Porto Alegre"]
[Date "2019.12.15"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Fonseca, Luis Ernesto Serra"]
[Result "1-0"]
[ECO "A02"]
[BlackElo "1958"]
[PlyCount "59"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Nc6 3. d4 Bg4 4. d5 Bxf3 5. exf3 Nb8 6. c4 g6 7. f5 Bg7 8. Bd3 c6 9. Nc3 Qb6 10. Qe2 Nd7 11. Be3 Qa5 12. 0-0 Bxc3 13. bxc3 cxd5 14. cxd5 Ngf6 15. Bh6 Qxd5 16. Rfe1 Qe5 17. Qc2 Qc5+ 18. Kh1 Rg8 19. Rab1 Qc7 20. Qe2 Ne5 21. Bb5+ Kd8 22. Bg5 Nd5 23. Qd2 Qc5 24. Ba4 Nc4 25. Qe2 Qc7 26. Qe4 Ncb6 27. c4 Nxa4 28. Qxd5 Re8 29. Rxb7 Nb6 30. Rxb6 1-0

[Event "Porto Alegre Regional Sul"]
[Site "Porto Alegre"]
[Date "2019.12.15"]
[Round "4"]
[White "Brandt, Ladir Albano Becker"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "1658"]
[PlyCount "94"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 d6 4. d4 g6 5. Bg2 Bg7 6. Nc3 0-0 7. 0-0 c6 8. Qb3 Na6 9. Bg5 Ne4 10. Be3 Nxc3 11. bxc3 Qc7 12. Rad1 Re8 13. c5+ d5 14. Bf4 Qd8 15. Be5 Nc7 16. Bxg7 Kxg7 17. Ne5 Rb8 18. Nxc6 bxc6 19. Qxb8 e5 20. Qxa7 e4 21. Qb6 Qd7 22. a4 g5 23. Bh3 g4 24. Bg2 Ba6 25. Rfe1 f4 26. gxf4 e3 27. f3 h5 28. f5 Rf8 29. Qb2 Kf6 30. Qb6 Rg8 31. Kh1 h4 32. fxg4 Rxg4 33. Bf3 Rf4 34. Rg1 Rxf3 35. exf3 Be2 36. Rdf1 h3 37. Rg6+ Kf7 38. Qb8 Ne8 39. Re6 Bxf1 40. Rxe3 Ng7 41. Qf4 Nxf5 42. a5 Kg6 43. Qg4+ Kf6 44. Re5 Qh7 45. Qxf5+ Qxf5 46. Rxf5+ Kxf5 47. Kg1 Ba6 0-1

[Event "Porto Alegre Regional Sul"]
[Site "Porto Alegre"]
[Date "2019.12.14"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Friedrich, Carlos Ernesto Gall"]
[Result "1-0"]
[ECO "A03"]
[BlackElo "1626"]
[PlyCount "121"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Bf5 3. e3 Nf6 4. b3 e6 5. Bb2 Be7 6. Be2 0-0 7. 0-0 Nbd7 8. d3 c5 9. Qe1 h6 10. Nbd2 Rc8 11. Kh1 b5 12. c4 bxc4 13. bxc4 dxc4 14. Nxc4 Qc7 15. Rg1 Bg6 16. Nfe5 Nxe5 17. Bxe5 Qd8 18. Rd1 Nd5 19. e4 Nb6 20. Ne3 Bd6 21. Bxd6 Qxd6 22. Rf1 f5 23. Qg3 Kh7 24. h4 Be8 25. Qh3 Bd7 26. g4 fxg4 27. Bxg4 Rxf4 28. Rxf4 Qxf4 29. Rf1 Qd6 30. Ng2 Qe7 31. h5 e5 32. Ne3 Bxg4 33. Qxg4 Qg5 34. Rf7 c4 35. dxc4 Qxg4 36. Nxg4 Nxc4 37. Rxa7 Kg8 38. a4 Kf8 39. Kg2 Re8 40. Rc7 Nd6 41. Kf3 Nf7 42. a5 Ra8 43. Rc5 Re8 44. Ke3 Re6 45. Kd3 Ke8 46. Rd5 Ke7 47. Rb5 Rd6+ 48. Kc4 Rc6+ 49. Kd5 Rd6+ 50. Kc5 Rd7 51. a6 Nd6 52. Rb4 Ra7 53. Kb6 Nc8+ 54. Ka5 Kd6 55. Rb5 Kc6 56. Nxe5+ Kd6 57. Rd5+ Ke6 58. Nc6 Rc7 59. Kb5 Nd6+ 60. Kb6 Rf7 61. Nd8+ 1-0

[Event "Porto Alegre Regional Sul"]
[Site "Porto Alegre"]
[Date "2019.12.14"]
[Round "2"]
[White "Pereira, Armando Scharlau"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1704"]
[PlyCount "23"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. Nc3 c6 4. Qd3 Qa5 5. 0-0-0 e6 6. e4 fxe4 7. Nxe4 Nxe4 8. Qxe4 Qxa2 9. Bd3 Qa1+ 10. Kd2 Qxb2 11. Bg5 c5 12. Qg6+ 1-0

[Event "Porto Alegre Regional Sul"]
[Site "Porto Alegre"]
[Date "2019.12.13"]
[Round "1"]
[White "Backes, Jorge Henrique Marx"]
[Black "Predebon, Eduardo Angonesi"]
[Result "0-1"]
[ECO "A02"]
[BlackElo "1790"]
[PlyCount "52"]
[EventDate "2019.12.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. f4 b6 2. Nf3 e6 3. e3 Bb7 4. b3 f5 5. c4 Nf6 6. d4 Bb4+ 7. Bd2 Qe7 8. a3 Bxd2+ 9. Nbxd2 d6 10. Bd3 Nbd7 11. 0-0 0-0 12. b4 Rad8 13. Qb3 c5 14. Rae1 Ne4 15. Rb1 Ndf6 16. a4 Ng4 17. Rbe1 d5 18. bxc5 bxc5 19. Re2 Rb8 20. Rb1 Qc7 21. Qc2 Ba6 22. Rxb8 Rxb8 23. Ne5 Nxd2 24. Nxg4 dxc4 25. Ne5 cxd3 26. Nxd3 Rb1+ 0-1

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.11.02"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Karoly, Carlos Acacio Gomes"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1974"]
[BlackElo "1821"]
[PlyCount "91"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 0-0 6. Nge2 Nc6 7. 0-0 e5 8. d3 a6 9. h3 Rb8 10. a4 Bd7 11. Bg5 h6 12. Be3 Kh7 13. d4 exd4 14. Nxd4 Re8 15. Rb1 Nxd4 16. Bxd4 Bc6 17. Qd3 Qe7 18. Rfe1 Nd7 19. Bxg7 Kxg7 20. b4 b6 21. f4 a5 22. b5 Ba8 23. Rbd1 Nc5 24. Qd4+ Kh7 25. h4 h5 26. f5 Qe5 27. Rf1 Qxd4+ 28. Rxd4 Kg7 29. f6+ Kg8 30. Kh2 Re5 31. Re1 Rbe8 32. Red1 Nxe4 33. Bxe4 Bxe4 34. Nd5 Bxd5 35. cxd5 Re2+ 36. Kh3 Rc2 37. R1d3 Ree2 38. g4 Rh2+ 39. Kg3 Rhg2+ 40. Kh3 Rh2+ 41. Kg3 Rcg2+ 42. Kf3 hxg4+ 43. Rxg4 Rf2+ 44. Kg3 Rhg2+ 45. Kh3 Rh2+ 46. Kg3 1/2-1/2

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.11.02"]
[Round "6"]
[White "Prochnow, Marcos Alberto"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1727"]
[BlackElo "1974"]
[PlyCount "68"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Qe2 Qxd4 7. f4 Nd7 8. c3 Qd5 9. Be3 Be7 10. Nh3 0-0 11. b3 f5 12. Rd1 Qa5 13. b4 Qa3 14. Qc4 Nb6 15. Qxc7 Bxb4 16. cxb4 Qxe3+ 17. Be2 Nd5 18. Qc5 Qa3 19. Rxd5 exd5 20. Qxd5+ Kh8 21. Ng5 Qxb4+ 22. Kf2 Qe7 23. e6 Kg8 24. Bc4 h6 25. Nf7 Bxe6 26. Qe5 Rae8 27. Nd6 Bxc4 28. Nxc4 Qd7 29. Qd6 Rd8 30. Rd1 Qxd6 31. Rxd6 Rxd6 32. Nxd6 b6 33. h3 Rf6 34. Ne8 Rc6 0-1

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.11.01"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Fonseca, Luiz Itamir"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "1974"]
[BlackElo "1940"]
[PlyCount "57"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. c4 f5 2. e4 fxe4 3. d3 Nf6 4. Nc3 e5 5. Bg5 Be7 6. dxe4 0-0 7. Nf3 d6 8. Be2 Nc6 9. h3 Be6 10. 0-0 Qe8 11. Nd5 Rc8 12. Nxe7+ Nxe7 13. Bxf6 Rxf6 14. Ng5 Bd7 15. Bh5 g6 16. Bg4 h6 17. Bxd7 Qxd7 18. Nf3 Qe6 19. Rc1 b6 20. h4 Rcf8 21. Rc3 Kg7 22. Qe2 g5 23. c5 Ng6 24. cxb6 cxb6 25. Rc7+ Kh8 26. Nxg5 Nf4 27. Rh7+ Kg8 28. Rg7+ Kh8 29. Rh7+ 1/2-1/2

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.11.01"]
[Round "4"]
[White "Bueno, Jair Cardona"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "1909"]
[BlackElo "1974"]
[PlyCount "87"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. c4 g6 5. Nc3 Bg7 6. Nf3 0-0 7. 0-0 Nc6 8. Qc2 e5 9. d5 Nb4 10. Qd2 a5 11. a3 Na6 12. Rb1 Nc5 13. b4 axb4 14. axb4 Nce4 15. Nxe4 Nxe4 16. Qc2 f4 17. Nd2 Nxd2 18. Bxd2 Bf5 19. Be4 Bh3 20. Bg2 Qd7 21. Rb3 Bxg2 22. Kxg2 g5 23. f3 h5 24. h3 Rf6 25. g4 Kf7 26. Rbb1 Rh6 27. Rh1 Bf6 28. Bc3 c6 29. Qd3 Ra3 30. Qd2 Rh8 31. Qb2 Rha8 32. Ra1 Rxa1 33. Rxa1 Rxa1 34. Qxa1 hxg4 35. hxg4 cxd5 36. cxd5 Qb5 37. Qa2 Bd8 38. Qd2 Bb6 39. Kf1 Ke8 40. Qa2 Be3 41. Ke1 Kd7 42. Kf1 Kc7 43. Be1 Kb6 44. Bc3 1/2-1/2

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.10.31"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "Dillenburg, Alberto Francisco"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "1974"]
[BlackElo "1694"]
[PlyCount "59"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d6 4. Nc3 Nbd7 5. e3 Be7 6. d4 0-0 7. Nf3 c6 8. 0-0 Qc7 9. Bd2 Re8 10. Rc1 Bf8 11. Qb3 Nb6 12. h3 Be6 13. d5 cxd5 14. cxd5 Nbxd5 15. Nxd5 Bxd5 16. Rxc7 Bxb3 17. axb3 Rab8 18. Rfc1 d5 19. Nh2 Bd6 20. R7c2 e4 21. Bc3 Nd7 22. Rd1 Nb6 23. Bd4 Bf8 24. Bxb6 axb6 25. Rxd5 Ra8 26. Nf1 Ra2 27. Nd2 Ba3 28. Nxe4 Rxb2 29. Rxb2 Bxb2 30. Nd6 1-0

[Event "Porto Alegre Gaucho op"]
[Site "Porto Alegre"]
[Date "2015.10.31"]
[Round "1"]
[White "Pertuzatti, Daniel"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1943"]
[BlackElo "1974"]
[PlyCount "61"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. Bc4 c6 5. Qe2 b5 6. Bb3 a5 7. e5 dxe5 8. Nxe5 e6 9. a4 b4 10. Ne4 Ba6 11. d3 h6 12. Qf3 Be7 13. Nxc6 Nxc6 14. Nxf6+ Bxf6 15. Qxc6+ Kf8 16. 0-0 Kg7 17. Rb1 Qe7 18. Qf3 Bb7 19. Qh3 Bc6 20. f4 Qd7 21. Ra1 h5 22. Kh1 Rhd8 23. Qe3 Qb7 24. Qd2 Rac8 25. Bc4 h4 26. h3 Qd7 27. Bb3 e5 28. fxe5 Qxh3+ 29. Kg1 Qg4 30. Rxf6 Qd4+ 31. Qf2 1-0

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.15"]
[Round "6"]
[White "Backes, Jorge Henrique Marx"]
[Black "Martins, Anderson Donay"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1974"]
[BlackElo "2013"]
[PlyCount "43"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nge7 6. Nge2 d6 7. 0-0 0-0 8. d3 Be6 9. Nd5 Qd7 10. Be3 Rae8 11. d4 exd4 12. Nxd4 Nxd4 13. Bxd4 f6 14. Qb3 b6 15. Qc3 Bxd5 16. cxd5 c5 17. dxc6 Nxc6 18. Qb3+ Qf7 19. Bc3 Qxb3 20. axb3 Re7 21. Rfd1 Rd8 22. f4 1/2-1/2

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.15"]
[Round "7"]
[White "Deste, Dayan Kuhn"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1915"]
[BlackElo "1974"]
[PlyCount "58"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. e5 Nfd7 7. e6 fxe6 8. Ng5 Nf6 9. dxc5 0-0 10. Qe2 dxc5 11. Nxe6 Bxe6 12. Qxe6+ Kh8 13. Be3 Nc6 14. Bb5 Nd4 15. Bxd4 Qxd4 16. Qe5 Qxe5+ 17. fxe5 Ng4 18. e6 Ne3 19. Ne4 Nxc2+ 20. Kd2 Nxa1 21. Rxa1 Bxb2 22. Rb1 Bd4 23. Rb3 Rf4 24. Kd3 a6 25. Bd7 b5 26. Ra3 b4 27. Ra5 Bg1 28. Bb5 Rd8+ 29. Bd7 c4+ 0-1

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.14"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Da Silva, Joao Carlos Orguim"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1974"]
[BlackElo "1895"]
[PlyCount "82"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Bd7 5. e3 e6 6. d4 Nge7 7. Nge2 a6 8. 0-0 g6 9. Ne4 Nc8 10. dxc5 dxc5 11. b3 Bg7 12. Rb1 Qe7 13. Bb2 0-0 14. a3 f5 15. Bxg7 Kxg7 16. N4c3 Rd8 17. Qc2 Na5 18. Nf4 Bc6 19. Rfd1 Nd6 20. Nd3 Nf7 21. e4 b6 22. exf5 gxf5 23. Nf4 Bxg2 24. Kxg2 Nc6 25. Nce2 Kg8 26. Qc3 Nd6 27. f3 Ne8 28. Qe3 Nc7 29. b4 Rxd1 30. Rxd1 Rd8 31. Rxd8+ Nxd8 32. bxc5 Qxc5 33. Qd3 Qe7 34. Qd4 b5 35. c5 e5 36. Nd5 Qf7 37. Qxe5 Nxd5 38. g4 Ne7 39. Nf4 Ng6 40. Nxg6 hxg6 41. Qd6 Ne6 1-0

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.14"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Pasini, Iuri Alan"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1974"]
[BlackElo "1992"]
[PlyCount "55"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. Nf3 g6 5. b3 Bg7 6. Bb2 0-0 7. 0-0 Be6 8. d3 Na6 9. Nbd2 Nc7 10. Qc2 Rc8 11. e4 h6 12. h3 Na6 13. Rad1 dxc4 14. Nxc4 b5 15. Ne3 c5 16. Qb1 Qb6 17. d4 cxd4 18. Bxd4 Qb8 19. Be5 Qb6 20. Nd4 Rfd8 21. Qb2 Nc5 22. Nxe6 Qxe6 23. Nd5 Ncd7 24. Bd4 a6 25. Rfe1 Ne8 26. e5 Kh7 27. g4 Kh8 28. Nf4 1-0

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.14"]
[Round "2"]
[White "Mentges, Antonio Esidio"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1766"]
[BlackElo "1974"]
[PlyCount "76"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Nbd7 5. Be3 e5 6. Nf3 Ng4 7. Bg5 f6 8. Bd2 Bg7 9. h3 Nh6 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Bc4 Nf7 13. Qe2 c6 14. 0-0 b5 15. Bb3 a5 16. a4 b4 17. Nd1 0-0 18. Ne3 Kh8 19. Rfd1 Qe7 20. Ng4 f5 21. Nh2 Nd6 22. f3 Rb8 23. Be3 fxe4 24. Bc5 exf3 25. Nxf3 Rd8 26. Nd4 Qc7 27. Nf3 Nb7 28. Rxd8+ Nxd8 29. Rd1 Ne6 30. Bxe6 Bxe6 31. Bd6 Qa7+ 32. Kh1 Rc8 33. Bxe5 Bd5 34. Ng5 Rf8 35. Rxd5 cxd5 36. Bxg7+ Qxg7 37. Ne6 Re8 38. Qa6 Qf6 0-1

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.14"]
[Round "4"]
[White "Oliveira, Paulo Sergio De Cas"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2182"]
[BlackElo "1974"]
[PlyCount "67"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 e6 4. Nxe4 Nf6 5. Nbc3 d5 6. Nxf6+ Qxf6 7. d4 c5 8. Bb5+ Bd7 9. Be3 a6 10. Bxd7+ Nxd7 11. Qd2 Be7 12. 0-0-0 c4 13. h4 h6 14. f4 0-0-0 15. g4 h5 16. g5 Qf7 17. Bf2 Bb4 18. Bg3 Nf8 19. Kb1 Ng6 20. f5 exf5 21. Nxd5 Bd6 22. Bxd6 Rxd6 23. Nf4 Nxf4 24. Qxf4 Re6 25. Rhf1 g6 26. d5 Re7 27. Qxc4+ Rc7 28. Qd4 Rg8 29. d6 Rd8 30. Qa7 Rc4 31. Qa8+ Kd7 32. Qxb7+ Ke8 33. Rfe1+ Kf8 34. Qe7+ 1-0

[Event "Nova Petropolis Gaucho op"]
[Site "Nova Petropolis"]
[Date "2015.03.13"]
[Round "1"]
[White "Backes, Jorge Henrique Marx"]
[Black "Lazzarotto, Marcio"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "1974"]
[BlackElo "2002"]
[PlyCount "66"]
[EventDate "2015.03.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. e3 dxc4 9. bxc4 Qb6 10. Qc2 Bd7 11. d3 Nb4 12. Qc3 Nxd3 13. Ba3 Nb4 14. Ne5 Rfd8 15. Nd2 Bc6 16. Nxc6 bxc6 17. Bxb4 Qxb4 18. Qxb4 cxb4 19. Nb3 Rd6 20. Nd4 Bf8 21. Nxc6 Rc8 22. Nxa7 Rxc4 23. Nb5 Rb6 24. Nd4 Nd5 25. Bxd5 exd5 26. Rfb1 Bc5 27. Nb3 Be7 28. Rd1 Bf6 29. Rxd5 g6 30. Nd4 Ra6 31. Kg2 Bxd4 32. exd4 Rc2 33. Rb5 Rf6 1/2-1/2

[Event "Santa Maria op"]
[Site "Santa Maria de Jetiba"]
[Date "2013.07.??"]
[Round "3"]
[White "Backes, Jorge Henrique Marx"]
[Black "Perondi, Rodolfo Antonio"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "119"]
[EventDate "2013.07.??"]
[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 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nf3 e4 5. Ng5 Bxf2+ 6. Kxf2 Ng4+ 7. Kg1 Qxg5 8. Bxe4 Qf6 9. Bf3 Ne5 10. Nc3 0-0 11. b3 Nbc6 12. Bb2 d6 13. Kg2 Qf5 14. h3 Nxf3 15. exf3 Qd3 16. Re1 Bd7 17. Ne4 Nb4 18. Rc1 Nxa2 19. Re3 Nxc1 20. Qxc1 Qxe3 21. dxe3 Rae8 22. Qa1 f5 23. Bxg7 fxe4 24. Bxf8 exf3+ 25. Kxf3 Rxf8+ 26. Ke2 a6 27. g4 Bc6 28. Qa5 Rf7 29. Qg5+ Kf8 30. Qd8+ Kg7 31. h4 h6 32. Kd3 Rd7 33. Qe8 Rf7 34. Qc8 a5 35. e4 b6 36. g5 hxg5 37. hxg5 Re7 38. Qh3 Bxe4+ 39. Kd4 Bg6 40. Qh6+ Kf7 41. Qh8 Re4+ 42. Kc3 Re3+ 43. Kd2 Re6 44. Qd8 Re7 45. Qh8 Re6 46. Qd4 Be4 47. Qf2+ Kg6 48. Qh4 Kg7 49. Qh5 Bg6 50. Qh3 Kf7 51. Qf3+ Ke7 52. Qc6 Kd8 53. Qd5 Bf7 54. Qf5 Ke7 55. Qh7 Rg6 56. Qh4 Kd7 57. Qf4 Ke7 58. Ke3 Re6+ 59. Kf3 Bg6 60. Qd4 1/2-1/2

[Event "Santa Maria op"]
[Site "Santa Maria de Jetiba"]
[Date "2013.07.??"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Souza, Ivan Boere"]
[Result "1-0"]
[ECO "A36"]
[BlackElo "2283"]
[PlyCount "79"]
[EventDate "2013.07.??"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 Ne8 9. Be3 Nc7 10. d4 cxd4 11. Nxd4 Ne6 12. Nde2 Ne5 13. b3 Bd7 14. h3 Bc6 15. f4 Nd7 16. Rc1 Kh8 17. g4 a5 18. Qd2 Ndc5 19. f5 Nc7 20. Bd4 Bxd4+ 21. Nxd4 f6 22. fxg6 Qe8 23. gxh7 Qg6 24. Nd5 Nxd5 25. exd5 Bd7 26. Rce1 Rf7 27. Re3 Re8 28. Qxa5 Qg5 29. Qe1 Rxh7 30. b4 Na6 31. Be4 Rh6 32. Bf5 Bxf5 33. Nxf5 Rh7 34. Nxd6 Rg8 35. Rxe7 Rxe7 36. Qxe7 Rg7 37. Qxf6 Qxf6 38. Rxf6 Nxb4 39. Rf8+ Kh7 40. Rf7 1-0

[Event "Santa Maria op"]
[Site "Santa Maria de Jetiba"]
[Date "2013.07.??"]
[Round "2"]
[White "Lopez, Gilberto"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "A86"]
[PlyCount "48"]
[EventDate "2013.07.??"]
[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 f5 2. c4 d6 3. Nc3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nh3 0-0 7. Qb3 c6 8. 0-0 Na6 9. Bg5 Qe8 10. Rfe1 e5 11. e3 Ne4 12. Nxe4 fxe4 13. dxe5 dxe5 14. Rad1 Qf7 15. Rd2 h6 16. Bd8 Bxh3 17. Bxh3 Raxd8 18. Red1 Nc5 19. Qa3 Nd3 20. c5 Nxf2 21. Rxd8 Nxd1 22. Rxd1 Qf2+ 23. Kh1 Qf3+ 24. Bg2 Qxd1+ 0-1

[Event "Santa Maria op"]
[Site "Santa Maria de Jetiba"]
[Date "2013.07.??"]
[Round "4"]
[White "Tolentino, Cleberson"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "112"]
[EventDate "2013.07.??"]
[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 Nf6 3. Nc3 g6 4. Be3 c6 5. Nf3 b5 6. Bd3 Ng4 7. h3 Nxe3 8. fxe3 Bh6 9. Qe2 b4 10. Nd1 0-0 11. 0-0 Nd7 12. c3 a5 13. Nf2 Qb6 14. Ng4 Bg7 15. Rab1 Ba6 16. Bxa6 Rxa6 17. Qf2 h5 18. Ngh2 Qb5 19. g4 Nf6 20. Nd2 hxg4 21. hxg4 Bh6 22. c4 Qg5 23. Qf4 Qh4 24. Qf2 Qh3 25. Qf3 Bxe3+ 26. Kh1 Qxf3+ 27. Ndxf3 Nxe4 28. Kg2 b3 29. Rbe1 Nd2 30. Rxe3 Nxf1 31. Nxf1 bxa2 32. Ra3 Rb8 33. Rxa2 Rb3 34. N1d2 Rd3 35. b3 f6 36. Kf2 e5 37. Ke2 Rc3 38. dxe5 fxe5 39. Ne4 Rxb3 40. Nxd6 c5 41. Ne4 Rb4 42. Nxc5 Ra8 43. Nxe5 a4 44. Ke3 a3 45. Kd4 Rb2 46. Ra1 a2 47. Kc3 Rb1 48. Nb3 Ra3 49. Rxa2 Rxa2 50. Nc5 Kg7 51. Ncd7 Rb7 52. c5 Ra4 53. c6 Rc7 54. Kb3 Ra6 55. Nc5 Raxc6 56. Nxc6 Rxc6 0-1

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.24"]
[Round "6"]
[White "Backes, Jorge Henrique Marx"]
[Black "Boabaid, Jorge Alberto Duard"]
[Result "1-0"]
[ECO "A24"]
[BlackElo "1880"]
[PlyCount "97"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 e5 6. Nge2 d6 7. 0-0 Be6 8. d3 Nbd7 9. h3 a5 10. f4 Nc5 11. f5 Bd7 12. g4 c6 13. g5 Nh5 14. f6 Nxf6 15. gxf6 Bxf6 16. Bh6 Bg7 17. Bxg7 Kxg7 18. Ng3 Qh4 19. Kh2 Ne6 20. Nce2 Ng5 21. Ng1 Ne6 22. Qe1 Qe7 23. N1e2 Kh8 24. Qd2 Ng7 25. d4 f5 26. exf5 gxf5 27. dxe5 dxe5 28. Rad1 Rad8 29. Qxa5 Ra8 30. Qc7 Rfd8 31. Rd2 f4 32. Ne4 Ne8 33. Qxb7 Rab8 34. Qa7 Ra8 35. Qc5 Qg7 36. a4 Nc7 37. Rfd1 Rg8 38. Rg1 Ne6 39. Qd6 Nd4 40. Nxd4 Bxh3 41. Nf3 Bf5 42. Bh3 Bg6 43. Qxe5 Qxe5 44. Nxe5 Rge8 45. Nxg6+ hxg6 46. Ng5 Re3 47. Rg4 Rf8 48. Rh4+ Kg7 49. Ne6+ 1-0

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.24"]
[Round "5"]
[White "Fontella, Amanda Karsburg"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1729"]
[PlyCount "56"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 c5 7. d5 Na6 8. 0-0 Nc7 9. a4 Rb8 10. Qe1 b6 11. Qh4 e6 12. dxe6 Nxe6 13. f5 Nd4 14. Nxd4 cxd4 15. Nb5 Qd7 16. Nxd4 Bb7 17. Bg5 Nxe4 18. Bxe4 Bxd4+ 19. Kh1 Bxe4 20. Qxe4 Bxb2 21. Rae1 Rfe8 22. Qb4 Rxe1 23. Qxe1 Re8 24. Qb4 Be5 25. f6 Rc8 26. Qh4 h5 27. Qe4 Qe6 28. Qb7 Qc4 0-1

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.23"]
[Round "4"]
[White "Backes, Jorge Henrique Marx"]
[Black "Hille, Waltercler"]
[Result "1/2-1/2"]
[ECO "A15"]
[BlackElo "1923"]
[PlyCount "101"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 c6 4. e4 d5 5. e5 Ng4 6. d4 dxc4 7. Na3 c5 8. h3 Nh6 9. Nxc4 cxd4 10. Ne2 Nc6 11. 0-0 Be6 12. Qa4 Rc8 13. Rd1 Qd7 14. g4 Bg7 15. Bf4 0-0 16. Rac1 Rfd8 17. b3 Bd5 18. f3 Bxc4 19. Rxc4 d3 20. Nc1 Nxe5 21. Qxd7 Nxd7 22. Rxc8 Rxc8 23. Nxd3 Nf8 24. Be3 b6 25. Nb4 f5 26. Nd5 Kf7 27. Bf1 e6 28. Nb4 Ng8 29. Bb5 Ne7 30. Kf2 a5 31. Nd3 Nd5 32. Rc1 Rxc1 33. Nxc1 Nxe3 34. Kxe3 Bh6+ 35. f4 fxg4 36. hxg4 g5 37. Nd3 gxf4+ 38. Ke4 Ng6 39. Ne5+ Nxe5 40. Kxe5 f3 41. Ke4 f2 42. Kf3 Kf6 43. Kxf2 Bg5 44. Kf3 Ke5 45. Bc4 h6 46. a4 Bc1 47. Bd3 Kd4 48. Bc4 e5 49. Ke2 e4 50. Bf7 Bg5 51. Bc4 1/2-1/2

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.23"]
[Round "3"]
[White "Mentges, Antonio Esidio"]
[Black "Backes, Jorge Henrique Marx"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "92"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. h3 c5 7. dxc5 Qa5 8. 0-0 Qxc5 9. Be3 Qb4 10. Rb1 Nxe4 11. Nd5 Qa5 12. Nxe7+ Kh8 13. Bd4 Be6 14. Bxg7+ Kxg7 15. Qd4+ Nf6 16. Qxd6 Rd8 17. Qe5 Qxe5 18. Nxe5 Kf8 19. N7xg6+ hxg6 20. b3 Nbd7 21. Nxd7+ Rxd7 22. Bd3 Nd5 23. f4 Nb4 24. f5 gxf5 25. Bxf5 Bxf5 26. Rxf5 Nxc2 27. Rh5 Rad8 28. Rh8+ Kg7 29. Rxd8 Rxd8 30. Kf2 Rd2+ 31. Kg3 Nd4 32. a3 Rd3+ 33. Kf4 Rxb3 34. Rxb3 Nxb3 35. Ke5 Na5 36. Kd5 f5 37. Kc5 f4 38. Kb5 Nc6 39. Kc5 Kg6 40. Kd5 Kg5 41. Ke4 b5 42. h4+ Kxh4 43. Kxf4 a5 44. g3+ Kh5 45. g4+ Kg6 46. Ke4 b4 0-1

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.22"]
[Round "2"]
[White "Backes, Jorge Henrique Marx"]
[Black "Moreira, Marcos Paulo"]
[Result "1/2-1/2"]
[ECO "A20"]
[PlyCount "97"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 f5 3. d4 exd4 4. Qxd4 Nc6 5. Qe3+ Qe7 6. Nc3 Qxe3 7. Bxe3 Nf6 8. Bf4 Kd8 9. 0-0-0 Bc5 10. Bg2 Bxf2 11. Nh3 Bc5 12. Ng5 Ke7 13. e4 h6 14. e5 Ng4 15. Nd5+ Kf8 16. Nh3 g5 17. Bd2 Ncxe5 18. Nxc7 Rb8 19. Bc3 d6 20. Rhe1 Rh7 21. Nd5 Nxc4 22. b4 Be3+ 23. Kb1 Be6 24. Bf3 Nxh2 25. Bh5 Bxd5 26. Rxd5 Rc7 27. Rxf5+ Kg8 28. Re2 g4 29. Nf4 Bxf4 30. Rxf4 Rbc8 31. Bd4 Nf3 32. Rxg4+ Ng5 33. Rh4 Ne5 34. Bxe5 dxe5 35. Bg4 Re8 36. Rxh6 e4 37. Re3 Kg7 38. Rd6 Re5 39. Kb2 Rb5 40. a3 a5 41. Be2 Rf5 42. b5 Kf7 43. b6 Re7 44. Bc4+ Ke8 45. Kc3 Nh3 46. a4 Rc5 47. Rd5 Rc6 48. Rb5 Ree6 49. Rxa5 1/2-1/2

[Event "Petropolis op 3rd"]
[Site "Petropolis"]
[Date "2013.02.22"]
[Round "1"]
[White "Da Silva Borges, Rodrigo"]
[Black "Backes, Jorge Henrique Marx"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2236"]
[PlyCount "37"]
[EventDate "2013.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 0-0 9. Be3 Qa5 10. 0-0 Nc6 11. h3 Nd7 12. Qf2 Bxc3 13. bxc3 Qxc3 14. f5 Nde5 15. Nxe5 Nxe5 16. Bh6 Rd8 17. f6 Qc5 18. Be3 Nxd3 19. fxe7 1-0

[Event "Caxias do Sul op 12th"]
[Site "Caxias do Sul"]
[Date "2012.03.03"]
[Round "5"]
[White "Backes, Jorge Henrique Marx"]
[Black "Cruz, Eider Tiago Da"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2133"]
[PlyCount "8"]
[EventDate "2012.03.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 exd4 0-1

