[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.26"]
[Round "5"]
[White "Da Costa, Michael David"]
[Black "Da Silva, Guilherme Eduardo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1387"]
[BlackElo "1800"]
[PlyCount "54"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 c5 2. c3 d5 3. Nf3 Nc6 4. Bf4 Qb6 5. Qb3 c4 6. Qxb6 axb6 7. Nbd2 Bf5 8. e3 e6 9. Be2 b5 10. Nh4 Bg6 11. Nxg6 hxg6 12. e4 Nf6 13. Bf3 b4 14. exd5 Nxd5 15. Bxd5 exd5 16. Kd1 b5 17. Re1+ Kd7 18. Nf1 Bd6 19. Bxd6 Kxd6 20. h3 b3 21. a3 b4 22. cxb4 Nxb4 23. Kd2 Nc2 24. Kc3 Nxe1 25. Rxe1 Rhe8 26. Rxe8 Rxe8 27. Ne3 f5 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "3"]
[White "Da Silva, Guilherme Eduardo"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1800"]
[BlackElo "2091"]
[PlyCount "74"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. Nc3 d6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Be7 8. Qc2 Nc6 9. exd6 cxd6 10. Rd1 0-0 11. b3 d5 12. cxd5 Nb4 13. Qb2 N4xd5 14. Nxd5 Qxd5 15. d4 Bf6 16. Ne5 Bxe2 17. Qxe2 Rfd8 18. Bb2 Rac8 19. Rac1 Rxc1 20. Rxc1 Bxe5 21. Qxe5 Qxe5 22. dxe5 Rd2 23. Rb1 Nd5 24. a3 g5 25. g3 Kg7 26. Kf1 Kg6 27. Ke1 Rc2 28. Bd4 a6 29. Kd1 Ra2 30. Bb2 b5 31. h4 Nb6 32. Bd4 Nc4 33. Bc5 Nxa3 34. Rc1 Nc4 35. Ke1 Nxe5 36. Rd1 Kf5 37. Rd6 a5 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "4"]
[White "Da Silva, Henrique Marques Ol"]
[Black "Da Silva, Guilherme Eduardo"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1758"]
[BlackElo "1800"]
[PlyCount "115"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. Be3 g6 7. c3 Nf6 8. Nd2 Bg7 9. 0-0 0-0 10. Qb3 a6 11. Bc4 Na5 12. Qb4 Nxc4 13. Qxc4 e5 14. N4f3 Bb5 15. Qb3 Bxf1 16. Kxf1 Qd7 17. Rd1 Qb5+ 18. Qxb5 axb5 19. a3 Rfd8 20. Bb6 Re8 21. Bc7 d5 22. Bxe5 dxe4 23. Bxf6 Bxf6 24. Nd4 Bxd4 25. cxd4 Rad8 26. Nb3 e3 27. fxe3 Rxe3 28. Nc5 b6 29. Na6 Re7 30. d5 Red7 31. Nb4 f5 32. Ke2 Re8+ 33. Kf3 Red8 34. Kf4 Kg7 35. h4 Kf6 36. g3 h6 37. g4 g5+ 38. hxg5+ hxg5+ 39. Kf3 f4 40. b3 Rd6 41. Rd2 Ra8 42. Ra2 Re8 43. Rb2 Re3+ 44. Kf2 Rh3 45. Kf1 Rf3+ 46. Ke2 Rg3 47. Kf1 Rxg4 48. Rg2 Rxg2 49. Kxg2 Ke5 50. Kf3 Rxd5 51. Nxd5 Kxd5 52. a4 bxa4 53. bxa4 Kc4 54. Kg2 Kb4 55. Kf2 Kxa4 56. Kg2 b5 57. Kf2 b4 58. Kg2 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "1"]
[White "Da Silva, Guilherme Eduardo"]
[Black "Cezar, Ricardo de Almeida"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1800"]
[BlackElo "1832"]
[PlyCount "78"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 Qa5+ 7. Bd2 Qa6 8. Ne2 Qxd3 9. cxd3 e6 10. 0-0 Ne7 11. Nbc3 Nf5 12. g3 c5 13. dxc5 Bxc5 14. Rac1 Bb6 15. Nb5 Nc6 16. Nbc3 Nxe5 17. Kg2 Nxd3 18. Rc2 Rc8 19. Bg5 f6 20. Rd2 Nb4 21. Bf4 e5 22. a3 Nc6 23. Rxd5 Nce7 24. Bc1 Nxd5 25. Nxd5 Bd4 26. Re1 Kf7 27. b4 Rhd8 28. Nxd4 Nxd4 29. Ne3 Nb3 30. Bb2 Rd2 31. Rb1 Nd4 32. Bc1 Rd3 33. Bb2 g6 34. Bc1 Nf5 35. Nxf5 gxf5 36. a4 Rd1 37. Rb2 Rcxc1 38. b5 e4 39. a5 Rg1+ 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "2"]
[White "Dos Santos, Welligton Carlos"]
[Black "Da Silva, Guilherme Eduardo"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1483"]
[BlackElo "1800"]
[PlyCount "137"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. d3 d6 4. g3 g6 5. Bg2 Bg7 6. e4 e5 7. Nge2 Nge7 8. 0-0 0-0 9. f4 a6 10. Be3 Rb8 11. a4 Nd4 12. h3 Nec6 13. Rb1 Bd7 14. Bxd4 exd4 15. Nd5 b5 16. axb5 axb5 17. b3 Be6 18. Qd2 Bxd5 19. exd5 Nb4 20. f5 Qe7 21. Be4 bxc4 22. bxc4 Ra8 23. Ra1 Rxa1 24. Rxa1 gxf5 25. Bxf5 Re8 26. Re1 Qe3+ 27. Qxe3 Rxe3 28. Kf2 Nxd3+ 29. Bxd3 Rxd3 30. Nf4 Rc3 31. Re8+ Bf8 32. g4 Rxc4 33. Nh5 f5 34. gxf5 Kf7 35. Ra8 Bh6 36. Ra7+ Kf8 37. Rxh7 Be3+ 38. Kf3 Rc1 39. Rh8+ Kf7 40. Rh7+ Kf8 41. Rh8+ Ke7 42. Rh7+ Kd8 43. Ng7 Rf1+ 44. Ke4 c4 45. Ne6+ Ke8 46. Nxd4 Bxd4 47. Kxd4 Rxf5 48. Kxc4 Kf8 49. h4 Ke8 50. h5 Kf8 51. h6 Rh5 52. Rh8+ Kf7 53. h7 Kg7 54. Rd8 Kxh7 55. Rxd6 Kg7 56. Re6 Kf7 57. Re2 Rh4+ 58. Kc5 Rh5 59. Kc6 Rh1 60. d6 Rc1+ 61. Kd7 Kg6 62. Kd8 Rd1 63. d7 Kf7 64. Rf2+ Kg7 65. Rc2 Ra1 66. Kc7 Ra7+ 67. Kd6 Ra1 68. d8Q Rd1+ 69. Kc7 1-0

