[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.18"]
[Round "9"]
[White "Heerdt, Ivanio Jr"]
[Black "De Souza, Guilherme Ricken G"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "45"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. e4 Nxe5 5. Nc3 Nxf3+ 6. Qxf3 c6 7. Bc4 d5 8. Bb3 dxe4 9. Qxe4 Nf6 10. Qxe7+ Bxe7 11. 0-0 0-0 12. Bg5 Bf5 13. Rfe1 Rfe8 14. Rad1 h6 15. Bh4 g5 16. Bg3 Bb4 17. Be5 Nd7 18. Bd4 a6 19. Rxe8+ Rxe8 20. a3 Bc5 21. h3 Bxd4 22. Rxd4 Nc5 23. Ba2 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.17"]
[Round "8"]
[White "Santos, Thiago Godinho"]
[Black "Heerdt, Ivanio Jr"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "78"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg5 Be7 5. Nbd2 0-0 6. Bg2 Nbd7 7. 0-0 h6 8. Bxf6 Bxf6 9. Re1 c5 10. c3 Qb6 11. Qa4 Nb8 12. dxc5 Qxb2 13. Rec1 Bd7 14. Qc2 Qxc2 15. Rxc2 Rc8 16. Nb3 Na6 17. Nfd2 Nxc5 18. e4 Nxb3 19. axb3 d4 20. c4 d3 21. Rca2 Bxa1 22. Rxa1 Bc6 23. b4 a6 24. Ra3 Rd8 25. f3 b5 26. c5 Rd4 27. Bf1 Rxb4 28. Rxd3 a5 29. Rd6 Be8 30. e5 a4 31. Rb6 a3 32. Bc4 Rxc4 33. Nxc4 bxc4 34. Rb1 a2 35. Ra1 Bc6 36. Kf2 Bd5 37. Ke2 c3 38. Kd1 Rc8 39. Kc2 Rxc5 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "6"]
[White "Heerdt, Ivanio Jr"]
[Black "Salamanca Paraguayo, Mateo"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1800"]
[BlackElo "1182"]
[PlyCount "49"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nc6 6. e3 0-0 7. cxd5 exd5 8. h3 Ne4 9. Bxe7 Nxe7 10. Bd3 Bf5 11. Qc2 Nd6 12. 0-0 Bxd3 13. Qxd3 Ng6 14. Nxd5 c6 15. Nc3 Re8 16. Rab1 Rc8 17. b4 a6 18. a4 b5 19. axb5 cxb5 20. Nd2 Nc4 21. Nxc4 Rxc4 22. Na4 Ne5 23. Qe2 Nc6 24. Nc5 Nxb4 25. Rfc1 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "7"]
[White "Schmidt, Keila Heidemann"]
[Black "Heerdt, Ivanio Jr"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "1800"]
[PlyCount "117"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bc4 e6 4. Nf3 a6 5. a4 Nc6 6. d3 Nf6 7. 0-0 Bd7 8. Be3 Na5 9. b3 Nxc4 10. bxc4 Be7 11. Rb1 Bc6 12. d4 cxd4 13. Bxd4 0-0 14. Bb6 Qd7 15. e5 Bxf3 16. Qxf3 dxe5 17. Rfd1 Qc8 18. Qe3 Qxc4 19. Qxe5 Qc6 20. Qc7 Qxc7 21. Bxc7 Rac8 22. Rxb7 Ne8 23. Rd7 Rxc7 24. Rdxc7 Nxc7 25. Rxc7 Bb4 26. Na2 Rd8 27. g3 Bd2 28. c4 h6 29. c5 Rd5 30. Rc8+ Kh7 31. c6 Rc5 32. Kf1 Rc2 33. c7 Ba5 34. Nb4 Bxb4 35. Rb8 Rxc7 36. Rxb4 Rc2 37. Rb7 Kg6 38. Ra7 Ra2 39. Rxa6 Kf5 40. Ra7 Kf6 41. a5 g5 42. g4 Kg6 43. Kg2 f5 44. h3 h5 45. Kf3 hxg4+ 46. hxg4 fxg4+ 47. Kxg4 Rxf2 48. a6 Ra2 49. Ra8 Ra4+ 50. Kg3 Kf5 51. a7 Ra3+ 52. Kg2 Kg4 53. Kf2 e5 54. Ke2 Kg3 55. Kd2 g4 56. Ke2 Kg2 57. Kd2 Kg1 58. Ke1 e4 59. Ke2 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.15"]
[Round "5"]
[White "Heerdt, Ivanio Jr"]
[Black "Da Silva, Alexandre H Da Rosa"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "60"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 0-0 5. Bg5 Re8 6. e3 d5 7. a3 Bf8 8. cxd5 exd5 9. h3 b6 10. Bxf6 Qxf6 11. Nxd5 Qd6 12. Nc3 Bb7 13. Bd3 c5 14. 0-0 cxd4 15. Nxd4 Nc6 16. Nf3 Ne5 17. Be2 Qh6 18. Nxe5 Bxg2 19. Kxg2 Rxe5 20. Rh1 Qg5+ 21. Kf1 Rf5 22. Rg1 Qxe3 23. Rg2 Bc5 24. Qe1 Re8 25. Bg4 Qd3+ 26. Be2 Qxh3 27. Kg1 h5 28. Rd1 Re3 29. Qd2 Rg3 30. Qd8+ Kh7 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.14"]
[Round "4"]
[White "Figueiredo, Bryan da Silva"]
[Black "Heerdt, Ivanio Jr"]
[Result "0-1"]
[ECO "D92"]
[WhiteElo "1749"]
[BlackElo "1800"]
[PlyCount "110"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 dxc4 6. e4 0-0 7. Bxc4 c5 8. d5 Qa5 9. 0-0 Nbd7 10. Bb3 Nh5 11. Bd2 Qc7 12. Rb1 c4 13. Ba4 a6 14. Bxd7 Bxd7 15. b3 cxb3 16. Rxb3 Bxc3 17. Rxc3 Qd6 18. e5 Qxd5 19. Bg5 Qe6 20. Re1 Bc6 21. Nd4 Qd5 22. f3 e6 23. Nxc6 bxc6 24. Qxd5 cxd5 25. g4 Ng7 26. Rd1 Rfc8 27. Rb3 Rc2 28. a4 h5 29. h3 hxg4 30. hxg4 Rac8 31. Rb4 R8c4 32. Rxc4 Rxc4 33. a5 Rc2 34. Rd3 Re2 35. Bf4 Ra2 36. Bd2 Ne8 37. Kf1 Nc7 38. Kf2 f5 39. Kg3 Nb5 40. Bg5 Rxa5 41. gxf5 gxf5 42. Kh3 Ra3 43. Rd1 Rxf3+ 44. Kh4 a5 45. Rg1 Kf7 46. Bf6 Rf4+ 47. Kh3 Rg4 48. Rb1 Nc3 49. Rb7+ Kg8 50. Rb8+ Kh7 51. Rh8+ Kg6 52. Rg8+ Kf7 53. Rxg4 fxg4+ 54. Kxg4 a4 55. Bg5 Ne2 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.13"]
[Round "3"]
[White "Heerdt, Ivanio Jr"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1800"]
[BlackElo "1341"]
[PlyCount "48"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. cxd5 exd5 8. Bd3 Nh5 9. Bxe7 Qxe7 10. 0-0 0-0 11. Ne5 Nxe5 12. dxe5 Qxe5 13. Re1 g6 14. Qc2 Nf6 15. Rab1 h5 16. Ne2 Qg5 17. Nf4 Ng4 18. Nh3 Qf6 19. f4 Re8 20. Qd2 Bf5 21. Ng5 Nxe3 22. Rxe3 Qd4 23. Rbe1 Bxd3 24. Kf2 Qxf4+ 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.13"]
[Round "2"]
[White "Pereira, Gabriel"]
[Black "Heerdt, Ivanio Jr"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1323"]
[BlackElo "1800"]
[PlyCount "67"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bc4 a6 4. a3 Nf6 5. d3 Nc6 6. h3 b5 7. Ba2 e6 8. Nge2 Bb7 9. 0-0 Be7 10. Re1 0-0 11. d4 b4 12. d5 bxc3 13. dxc6 cxb2 14. Bxb2 Bxc6 15. Ng3 Rb8 16. Rb1 Qc7 17. Qe2 Rb6 18. c4 Rfb8 19. Bc3 Rxb1 20. Rxb1 Rxb1+ 21. Bxb1 Qb7 22. Qb2 Qxb2 23. Bxb2 h5 24. f3 g6 25. Bd3 Nd7 26. Ne2 Ne5 27. Bxe5 dxe5 28. Nc3 f5 29. Bc2 Kf7 30. Kf2 Kf6 31. Ba4 Bb7 32. Be8 fxe4 33. fxe4 Kg5 34. Kf3 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.12"]
[Round "1"]
[White "Heerdt, Ivanio Jr"]
[Black "Dos Santos, Nicoly Guilherme"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1800"]
[BlackElo "1476"]
[PlyCount "48"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bg5 Bg7 6. e3 0-0 7. cxd5 cxd5 8. h3 Ne4 9. Bf4 Qa5 10. Qc2 Bf5 11. Bd3 Rc8 12. Qa4 Qxa4 13. Nxa4 Bd7 14. b3 b5 15. Nb2 Na6 16. a3 Rc3 17. Bxe4 dxe4 18. Nd2 Rac8 19. Nd1 Rd3 20. Nb2 Rdc3 21. Nd1 Rc2 22. Nxe4 Bc6 23. Ndc3 f5 24. Kd1 Bxe4 0-1

