[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "5"]
[White "Coser, Jacson"]
[Black "Lemke, Marcos"]
[Result "1-0"]
[ECO "C23"]
[PlyCount "79"]
[EventDate "2010.04.02"]
[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 e5 2. Bc4 Na6 3. Nf3 Bc5 4. Nxe5 Nf6 5. d3 Ng4 6. Qxg4 0-0 7. Bh6 Qf6 8. Bxg7 d6 9. Bxf6+ Bxg4 10. Nd7 Rfe8 11. Bxa6 bxa6 12. Nxc5 dxc5 13. 0-0 h5 14. h3 Be2 15. Re1 Re6 16. Rxe2 Rxf6 17. Nc3 Rf4 18. Nd5 Rc8 19. Nxf4 Rb8 20. b3 a5 21. Nxh5 a4 22. Nf6+ Kg7 23. Nd7 Rd8 24. Nxc5 Rb8 25. Nxa4 a5 26. e5 c6 27. e6 Re8 28. Rae1 fxe6 29. Rxe6 Rf8 30. Re7+ Kf6 31. Ra7 Kf5 32. Rxa5+ Kf6 33. Nb6 Rb8 34. Nd7+ Kf7 35. Nxb8 Kg6 36. Re6+ Kf7 37. Rxc6 Ke7 38. Ra7+ Kd8 39. Rh6 Kc8 40. Rh8# 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "3"]
[White "Coser, Jacson"]
[Black "Reis, Tiago Micael"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "51"]
[EventDate "2010.04.02"]
[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 e6 2. Nf3 Bb4 3. Bc4 Nc6 4. a3 Ba5 5. b4 Bb6 6. Bb2 Qh4 7. Nxh4 Nf6 8. Bxf6 gxf6 9. 0-0 0-0 10. c3 Ne5 11. d3 a6 12. Nd2 a5 13. bxa5 Bxa5 14. f4 Nc6 15. f5 Bxc3 16. Rc1 Bb2 17. Rb1 Bd4+ 18. Kh1 Ne5 19. fxe6 dxe6 20. Rxf6 Nxd3 21. Bxd3 b6 22. Rh6 Kg7 23. Rh5 Bd7 24. e5 Bc6 25. Qg4+ Kh8 26. Rxh7# 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "7"]
[White "Coser, Jacson"]
[Black "Rodrigues Pereira, Welerson Junior"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "81"]
[EventDate "2010.04.02"]
[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 e5 2. Bc4 d6 3. Nf3 Nd7 4. d3 Ne7 5. Ng5 Nb6 6. Nxf7 Qd7 7. Nxh8 Nxc4 8. dxc4 Nc6 9. c3 b6 10. Qh5+ Kd8 11. Bg5+ Be7 12. Nf7+ Ke8 13. Nxe5+ Kd8 14. Nxd7 Kxd7 15. Bxe7 Nxe7 16. 0-0 Bb7 17. Qxh7 c6 18. Qxg7 Rg8 19. Qd4 c5 20. Qd3 a6 21. f3 Ng6 22. g3 Ne5 23. Qe2 Bc6 24. f4 Nf7 25. e5 Re8 26. Qh5 Ke7 27. exd6+ Nxd6 28. Re1+ Kd8 29. Rxe8+ Bxe8 30. Qd5 Kd7 31. Na3 Bf7 32. Qd3 Kc6 33. Qf3+ Kc7 34. Re1 b5 35. cxb5 axb5 36. Nxb5+ Nxb5 37. Re7+ Kb6 38. Rxf7 c4 39. Qb7+ Ka5 40. Rf5 Ka4 41. Qxb5# 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "1"]
[White "Coser, Jacson"]
[Black "Silva, Jonathan Ferreira D"]
[Result "1-0"]
[ECO "C23"]
[PlyCount "81"]
[EventDate "2010.04.02"]
[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 e5 2. Bc4 Bc5 3. Qf3 Nh6 4. d3 Qf6 5. Qxf6 gxf6 6. Bxh6 Rg8 7. g3 Nc6 8. c3 a6 9. Nf3 b5 10. Bd5 Bb7 11. Bxc6 Bxc6 12. 0-0 d5 13. exd5 Bxd5 14. Nbd2 Rg6 15. Be3 Bxe3 16. fxe3 a5 17. c4 bxc4 18. Nxc4 Bc6 19. Rac1 e4 20. dxe4 Bxe4 21. Nh4 Rg4 22. Nd2 Bd5 23. Rxc7 Kd8 24. Rc5 Bxa2 25. Rxf6 Rb8 26. Rxa5 Rxb2 27. Nf1 Ke7 28. Rf4 Rg8 29. Nf5+ Kf6 30. Nh6+ Kg7 31. Nxg8 Kxg8 32. Rg4+ Kf8 33. Ra8+ Ke7 34. Re4+ Kf6 35. Ra6+ Kf5 36. Rea4 f6 37. Rxa2 Rxa2 38. Rxa2 h6 39. h4 Kg4 40. Kg2 f5 41. Nh2+ 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "4"]
[White "Esteves, Igor Silva Mota"]
[Black "Coser, Jacson"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "64"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. 0-0 Nf6 6. Be3 d6 7. h3 0-0 8. Nc3 Nd4 9. a3 Nxf3+ 10. Qxf3 Be6 11. Bb3 Bxb3 12. cxb3 c6 13. Qg3 Nh5 14. Qg4 Nf6 15. Qf5 g6 16. Qf3 Kg7 17. Bxc5 dxc5 18. Qe3 Qd6 19. Kh1 Nd7 20. f4 f5 21. exf5 gxf5 22. Ne2 e4 23. dxe4 fxe4 24. Ng3 Nf6 25. Nf5+ Kg8 26. Nxd6 Nd5 27. Qxe4 Nxf4 28. Rxf4 Rxf4 29. Qxf4 Rf8 30. Qxh6 b6 31. Re1 a5 32. Qg6+ Kh8 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "2"]
[White "Jonas, Tiago Felipe da S"]
[Black "Coser, Jacson"]
[Result "1-0"]
[ECO "C23"]
[WhiteElo "1838"]
[PlyCount "165"]
[EventDate "2010.04.02"]
[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 e5 2. Bc4 Bc5 3. d3 Qf6 4. Nf3 d6 5. Nc3 c6 6. 0-0 h6 7. Be3 Na6 8. Bxa6 bxa6 9. Bxc5 dxc5 10. Nd2 Qg6 11. Na4 Bh3 12. Qf3 Bg4 13. Qg3 Qg5 14. Nc4 h5 15. Qxe5+ Qxe5 16. Nxe5 Rb8 17. Nxc6 Rb5 18. Nxa7 Ra5 19. Nc3 Bd7 20. Nd5 Kd8 21. b4 cxb4 22. Nxb4 Kc7 23. Rab1 Nf6 24. d4 Nxe4 25. Rfe1 Nc3 26. Rb3 Nxa2 27. Ra1 Be6 28. d5 Bxd5 29. Nxd5+ Rxd5 30. g3 Ra8 31. Rxa2 Rxa7 32. Rba3 a5 33. Kg2 Kd6 34. Kf3 g5 35. Ra4 f5 36. Ke3 g4 37. c3 Ke6 38. Kf4 Kf6 39. f3 gxf3 40. Kxf3 Rd3+ 41. Kf4 Rxc3 42. Rxa5 Rxa5 43. Rxa5 Rc4+ 44. Kf3 Kg5 45. h4+ Kf6 46. Ra6+ Ke5 47. Rh6 Rc3+ 48. Kg2 Rc2+ 49. Kh3 Ke4 50. Ra6 f4 51. Ra4+ Kf3 52. Rxf4+ Ke3 53. Rf5 Ke4 54. Rxh5 Kf3 55. Rf5+ Ke4 56. Rh5 Rc3 57. Rh8 Kf5 58. Rg8 Rc1 59. g4+ Kf6 60. h5 Kf7 61. Rg6 Rf1 62. g5 Rh1+ 63. Kg4 Rg1+ 64. Kf5 Rf1+ 65. Ke5 Re1+ 66. Kd6 Rh1 67. Rf6+ Kg7 68. h6+ Kh7 69. Rf7+ Kg6 70. Rg7+ Kh5 71. h7 Kg4 72. g6 Kg5 73. Rg8 Rh6 74. h8Q Rxh8 75. Rxh8 Kxg6 76. Rf8 Kg7 77. Rf1 Kg6 78. Ke5 Kg7 79. Ke6 Kg8 80. Rf7 Kh8 81. Kf6 Kg8 82. Kg6 Kh8 83. Rf8# 1-0

[Event "BRA-ch U14 27th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "6"]
[White "Schliwe, Leonardo"]
[Black "Coser, Jacson"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "46"]
[EventDate "2010.04.02"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. Ng5 0-0 6. Nxf7 Rxf7 7. Bxf7+ Kxf7 8. 0-0 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Qf3+ Qxf3 12. gxf3 Nd4 13. c3 Nxf3+ 14. Kg2 Ng5 15. d4 Bh3+ 16. Kg1 Nf3+ 17. Kh1 Bxf1 18. dxc5 Bh3 19. Be3 b6 20. c6 Rd8 21. b4 Rd6 22. b5 Rg6 23. a4 Bg2# 0-1

