[Event "ISR-ch op"]
[Site "Safed"]
[Date "2021.12.12"]
[Round "5"]
[White "Stolyarsky, Yegor"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2148"]
[BlackElo "1961"]
[PlyCount "112"]
[EventDate "2021.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. b3 d6 7. Bb2 e6 8. c4 Qe7 9. Nc3 Nc6 10. d5 Nd8 11. dxe6 Nxe6 12. Nd5 Qf7 13. Nxf6+ Bxf6 14. Bxf6 Qxf6 15. e3 a5 16. a3 Kg7 17. Qc2 Bd7 18. Nd4 Nxd4 19. exd4 c6 20. Qd2 f4 21. gxf4 Qxf4 22. Qxf4 Rxf4 23. Rfe1 Raf8 24. Re7+ R8f7 25. Rxf7+ Kxf7 26. Rd1 Kf6 27. Rd3 Bf5 28. Rd2 g5 29. b4 axb4 30. axb4 Be4 31. Bxe4 Rxe4 32. Kg2 Kf5 33. f3 Rf4 34. h3 h5 35. Rd1 d5 36. c5 g4 37. fxg4+ hxg4 38. hxg4+ Kxg4 39. b5 cxb5 40. Rb1 Rxd4 41. Rxb5 Rd2+ 42. Kf1 Kf3 43. Ke1 Rc2 44. Kd1 Rc4 45. Rxb7 Ke3 46. Rb3+ Kd4 47. Kd2 Kxc5 48. Rc3 Kb4 49. Rxc4+ Kxc4 50. Kc2 d4 51. Kd2 d3 52. Kd1 Kd4 53. Kd2 Kc4 54. Kd1 Kc3 55. Kc1 d2+ 56. Kd1 Kd3 1/2-1/2

[Event "ISR-ch op"]
[Site "Safed"]
[Date "2021.12.08"]
[Round "1"]
[White "Cohen, Jaime"]
[Black "Caspi, Israel"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1961"]
[BlackElo "2499"]
[PlyCount "90"]
[EventDate "2021.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c3 Be7 5. e3 0-0 6. d4 d5 7. Bd3 c5 8. Nd2 Nc6 9. Bxf6 Bxf6 10. Ne2 Re8 11. 0-0 Bg4 12. h3 Bh5 13. g4 Bg6 14. Bxg6 hxg6 15. Nf4 g5 16. Nh5 Be7 17. Qf3 g6 18. Ng3 Qd6 19. Rab1 b6 20. Rfd1 Rad8 21. Qg2 Qe6 22. Nf3 Bf6 23. Re1 Qd7 24. Ne2 Na5 25. h4 Re4 26. hxg5 Rxg4 27. Ng3 Bg7 28. Qh3 Nc4 29. Kg2 Nd6 30. Rh1 Kf8 31. Ne5 Bxe5 32. dxe5 Ne4 33. Qh8+ Ke7 34. Qg7 Qf5 35. Rbf1 Qxg5 36. Rh3 Ke6 37. Kh2 Qxe5 38. Qxe5+ Kxe5 39. Ne2 Nf6 40. f4+ Ke6 41. f5+ gxf5 42. Rh6 Rdg8 43. Nf4+ Ke7 44. Rh3 R4g5 45. Rd1 Ng4+ 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.23"]
[Round "7"]
[White "Mesquita, Guilherme"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "1896"]
[BlackElo "1986"]
[PlyCount "94"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. exd5 cxd5 6. Bb3 Bb4+ 7. c3 Bd6 8. Bg5 Be6 9. Qe2 Nbd7 10. Nbd2 0-0 11. 0-0 Qe7 12. Rfe1 Rae8 13. c4 dxc4 14. Nxc4 Bxc4 15. Bxc4 h6 16. Bh4 g5 17. Bg3 Nh5 18. Qe4 Kh8 19. Qf5 Ng7 20. Qh3 h5 21. Nxg5 Qxg5 22. Qxd7 Nf5 23. f4 Bc5+ 24. d4 Bxd4+ 25. Qxd4 Qxg3 26. Qxe5+ Rxe5 27. hxg3 Rc5 28. Bb3 Nxg3 29. Re7 Rf5 30. Kf2 h4 31. Kf3 Rf6 32. Rxb7 Nh5 33. Rb4 Rg8 34. g4 hxg3 35. Rh1 Rf5 36. Bc2 g2 37. Rg1 Rg3+ 38. Kf2 Rd5 39. Bd1 Rgd3 40. Bxh5 Rxh5 41. Kxg2 Rhh3 42. Rh1 Rxh1 43. Kxh1 Rd2 44. a4 Kg7 45. a5 Rd5 46. Ra4 Rb5 47. Ra2 Kg6 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "5"]
[White "Bitencourt, Evandro Jose dos S"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1828"]
[BlackElo "1986"]
[PlyCount "76"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[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. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. Be3 Bb6 11. f3 Ng5 12. f4 Ne4 13. f5 Qe7 14. e6 fxe6 15. fxe6 Bxe6 16. c3 Nf6 17. Re1 Bg4 18. Qa4 0-0 19. Nd2 Qd6 20. Bg5 Bd7 21. Qc2 c5 22. N4f3 Bc6 23. Rad1 c4+ 24. Kh1 Ng4 25. Be7 Nf2+ 26. Kg1 Nxd1+ 27. Kf1 Qxh2 28. Bxf8 Rxf8 29. Ke2 Nxc3+ 30. bxc3 Qxg2+ 31. Kd1 Rxf3 32. Nxf3 Qxf3+ 33. Kc1 Ba5 34. Kb1 Qd3 35. Re7 Qxc2+ 36. Kxc2 Kf8 37. Re6 Bd7 38. Re3 c6 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "De Almeida, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "1986"]
[BlackElo "1821"]
[PlyCount "72"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. e3 Nd7 7. Nf3 f6 8. Be2 c6 9. 0-0 Kc7 10. b3 a5 11. Bb2 Nh6 12. Rac1 Rd8 13. Rfd1 Nf7 14. Ne1 Kb8 15. Nd3 Nc5 16. Nxc5 Bxc5 17. Na4 Rxd1+ 18. Rxd1 Ba7 19. c5 Kc7 20. Bc3 b6 21. cxb6+ Bxb6 22. Kf1 Rd8 23. Rxd8 Nxd8 24. Ke1 Bf5 25. Kd2 Bb1 26. a3 Bf5 27. Bc4 Nb7 28. f3 Nd6 29. g4 Bg6 30. g5 Nf5 31. Nxb6 Kxb6 32. gxf6 gxf6 33. f4 Nd6 34. fxe5 Nxc4+ 35. bxc4 fxe5 36. a4 e4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "4"]
[White "Cohen, Jaime"]
[Black "Da Silveira, Robson Gustavo M"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "1986"]
[BlackElo "1802"]
[PlyCount "53"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Bg5 e5 7. d5 a5 8. Bd3 Nc5 9. Bc2 Bd7 10. Qd2 h6 11. Be3 Qe7 12. Bxc5 dxc5 13. Nb5 Bxb5 14. cxb5 b6 15. 0-0-0 0-0-0 16. Nf3 h5 17. Kb1 Ne8 18. Qe2 Nd6 19. Nd2 Rdf8 20. Nc4 f5 21. Nxd6+ cxd6 22. a3 Rf7 23. f3 Rhf8 24. Bd3 Bh6 25. Kc2 Qa7 26. Kb1 Rc7 27. a4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "3"]
[White "Leon Lopes, Sergio Amadeus"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1873"]
[BlackElo "1986"]
[PlyCount "85"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. Nf3 d5 6. cxd5 exd5 7. d4 Be7 8. 0-0 0-0 9. Bg5 c4 10. b3 Qa5 11. Bxf6 Bxf6 12. Qd2 Bg4 13. e3 Rac8 14. bxc4 dxc4 15. Ne4 Be7 16. Qxa5 Nxa5 17. Ne5 Bf5 18. Nc3 Ba3 19. Nb5 Bb2 20. Nd6 Bxa1 21. Nxf5 Bb2 22. Ne7+ Kh8 23. Nxc8 Rxc8 24. Nxf7+ Kg8 25. Nd6 Rc7 26. Nb5 Re7 27. Bd5+ Kf8 28. Re1 a6 29. Rb1 c3 30. Nxc3 Bxc3 31. Rb6 Rd7 32. Be4 g6 33. Kg2 Ke7 34. h4 Rd6 35. Rxd6 Kxd6 36. h5 gxh5 37. Bxh7 b5 38. Bg6 Nc6 39. Bxh5 Nb4 40. Bf7 a5 41. g4 Kc7 42. Bg8 a4 43. Kf3 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Faria, Juliano Espezim Soa"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1986"]
[BlackElo "1706"]
[PlyCount "52"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Rc1 cxd4 9. cxd4 0-0 10. Qd2 Nc6 11. d5 Ne5 12. h3 b6 13. f4 Nd7 14. Bb5 Bb7 15. Nf3 Nf6 16. Qb4 e6 17. 0-0 exd5 18. e5 Ne4 19. Rfd1 Rc8 20. Qa3 Rxc1 21. Rxc1 Qa8 22. Qe7 Rc8 23. e6 Rxc1+ 24. Bxc1 fxe6 25. Qxe6+ Kf8 26. Ba3+ Nc5 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "1"]
[White "Ritzel, Ricardo Agne"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "1773"]
[BlackElo "1986"]
[PlyCount "89"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. h3 0-0 9. c3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Nh2 c5 16. d5 c4 17. f4 exf4 18. Bxf4 Ne5 19. Nf3 Nfd7 20. Nxe5 Nxe5 21. Qd2 Bc8 22. a4 Bd7 23. axb5 axb5 24. Rxa8 Qxa8 25. Rf1 Bg7 26. Ne2 Rb8 27. Nd4 Qa5 28. Qf2 Be8 29. Bxe5 Bxe5 30. Kh1 Qb6 31. Nf3 Qxf2 32. Rxf2 Bg3 33. Rf1 b4 34. Rb1 bxc3 35. bxc3 Rxb1+ 36. Bxb1 Ba4 37. Kg1 Bb3 38. Kf1 Kg7 39. Ke2 Kf6 40. Ke3 Be5 41. Nd4 g5 42. g4 Bf4+ 43. Ke2 Ke5 44. Nc6+ Kf6 45. Nd4 1/2-1/2

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2018.02.25"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "Almeida Junior, Alvaro Alves de"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1951"]
[BlackElo "2015"]
[PlyCount "119"]
[EventDate "2018.02.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. 0-0 cxd4 7. exd4 Bd6 8. Bb2 0-0 9. Nbd2 Nb4 10. Be2 Qc7 11. c4 Ne4 12. c5 Bf4 13. g3 Bh6 14. Nxe4 dxe4 15. Ne5 b6 16. a3 Nd5 17. Ng4 Bg5 18. h4 Be7 19. Rc1 Rd8 20. Qc2 f5 21. Ne5 bxc5 22. b4 cxd4 23. Qxc7 Nxc7 24. Nc6 Re8 25. Nxe7+ Rxe7 26. Bxd4 Nd5 27. Be5 Bb7 28. Rc5 Rd8 29. Rfc1 e3 30. f4 Kf7 31. Bb5 g6 32. Kf1 h6 33. Ke2 g5 34. hxg5 hxg5 35. R1c2 gxf4 36. gxf4 Kg6 37. Bc4 Rh7 38. Bxd5 Bxd5 39. Kxe3 Be4 40. Rf2 Rh3+ 41. Ke2 Rdd3 42. Rf1 Rh2+ 43. Rf2 Rhh3 44. Rf1 Rxa3 45. Rg1+ Kh5 46. Rc8 Ra2+ 47. Kd1 Rg2 48. Rh8+ Kg4 49. Rg8+ Kh4 50. R1xg2 Bxg2 51. Rxg2 Rb3 52. Rb2 Ra3 53. b5 Kg4 54. Ke2 Rh3 55. Rb4 Rh2+ 56. Ke3 Ra2 57. Kd4 Rc2 58. Rb3 Rf2 59. Rc3 Rb2 60. Kc5 1-0

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2018.02.24"]
[Round "3"]
[White "Cohen, Jaime"]
[Black "Araujo, Adalberto Marcos"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1951"]
[BlackElo "2233"]
[PlyCount "90"]
[EventDate "2018.02.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Nc3 Ngf6 5. Bd3 Be7 6. 0-0 c6 7. h3 Qc7 8. Be3 Nf8 9. d5 Ng6 10. Qd2 0-0 11. a4 Bd7 12. Nh2 Nh5 13. Ne2 cxd5 14. exd5 f5 15. f4 exf4 16. Nxf4 Nhxf4 17. Bxf4 Qc5+ 18. Be3 Qxd5 19. Qf2 Bh4 20. Qe2 Ne5 21. Bb5 Bc6 22. c4 Qe6 23. Bxc6 bxc6 24. b3 Rfe8 25. Bd2 Rab8 26. Rab1 Bf6 27. Nf3 Nf7 28. Qxe6 Rxe6 29. Ba5 Kf8 30. Rfd1 Ke7 31. Nd4 Bxd4+ 32. Rxd4 Re3 33. b4 Re4 34. Rbd1 Ke6 35. c5 d5 36. b5 Rxd4 37. Rxd4 cxb5 38. c6 a6 39. c7 Rc8 40. axb5 axb5 41. Rd1 Nd6 42. Re1+ Kd7 43. Rd1 Kc6 44. Re1 Nc4 45. Re6+ Kb7 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.22"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "Barrios Chamorro, Jesus Adrian"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1951"]
[BlackElo "1468"]
[PlyCount "55"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Bd6 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 Qc7 16. g3 0-0 17. Kb1 c5 18. Rh4 Rac8 19. Be3 c4 20. c3 b5 21. Bd2 a5 22. g4 Nd5 23. g5 b4 24. gxh6 bxc3 25. Rg4 cxd2 26. Rxg7+ Kh8 27. Ng5 Nf6 28. Qe4 1/2-1/2

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.21"]
[Round "4"]
[White "Cohen, Jaime"]
[Black "Silvestre, Gilmar Severino"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1951"]
[BlackElo "1687"]
[PlyCount "53"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 Be7 6. Bg2 d5 7. 0-0 0-0 8. Qe2 Re8 9. c3 b5 10. e5 Nd7 11. Re1 a6 12. Nf1 Qb6 13. h4 Bb7 14. N1h2 d4 15. Bf4 dxc3 16. bxc3 Qa5 17. Rac1 Nb6 18. Ng5 Nd5 19. Qh5 Bxg5 20. hxg5 Nxf4 21. gxf4 Qa4 22. Be4 g6 23. Qh6 Qa3 24. Ng4 f5 25. Nf6+ Kf7 26. Qxh7+ Kf8 27. Nd7# 1-0

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.20"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Terao, Juliana Sayumi"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1951"]
[BlackElo "2256"]
[PlyCount "44"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 Be7 6. 0-0 d5 7. exd5 exd5 8. d4 cxd4 9. Nbd2 0-0 10. Nb3 Bg4 11. h3 Bxf3 12. Qxf3 Rc8 13. a3 Ne4 14. Qd3 Re8 15. Re1 Bf6 16. Bxe4 dxe4 17. Rxe4 Ne5 18. Qe2 Qd5 19. Kg2 Rxc2 20. Nd2 Rec8 21. f4 Nc4 22. Kf2 Nd6 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.19"]
[Round "1"]
[White "Bail, Ellen Larissa"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1823"]
[BlackElo "1951"]
[PlyCount "94"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bg4 5. Ne5 Bf5 6. c4 Bxb1 7. Rxb1 Qa5+ 8. Bd2 Qa6 9. cxd5 cxd5 10. Qb3 e6 11. 0-0 Nc6 12. Nxc6 bxc6 13. e4 Nxe4 14. Bxe4 dxe4 15. Rfe1 Qb5 16. Rxe4 Qxb3 17. axb3 Kd7 18. Ra1 Be7 19. Re5 Bf6 20. Rea5 Bxd4 21. Bc3 Bb6 22. Bxg7 Rhg8 23. Ra6 Rxg7 24. Rxb6 axb6 25. Rxa8 Kd6 26. Ra4 c5 27. b4 b5 28. bxc5+ Kxc5 29. Rf4 f5 30. b4+ Kd5 31. h3 Rg5 32. Rh4 Rg7 33. Kf1 e5 34. Ke2 Rc7 35. Rh5 Rc2+ 36. Ke3 Rc4 37. Rxf5 Rxb4 38. f4 Rb3+ 39. Kf2 b4 40. Rxe5+ Kd6 41. Re3 Ra3 42. Re5 b3 43. Rb5 Ra6 44. Rb8 Ra2+ 45. Ke3 b2 46. Rb3 Kd5 47. Kd3 Ra3 0-1

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.29"]
[Round "7"]
[White "Cohen, Jaime"]
[Black "Wilberger, Marcelo"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1983"]
[BlackElo "1619"]
[PlyCount "45"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. b3 Nf6 7. Qe2 g6 8. Bb2 Bg7 9. Rd1 0-0 10. d4 cxd4 11. Nxd4 a6 12. c4 Rfc8 13. h3 Nxd4 14. Bxd4 b5 15. Na3 bxc4 16. Nxc4 Qc6 17. Nb6 Nxe4 18. Nxc8 Rxc8 19. Bxg7 Kxg7 20. Rac1 Qxc1 21. Rxc1 Rxc1+ 22. Kh2 d5 23. Qb2+ 1-0

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.29"]
[Round "6"]
[White "Machado, Wesley Henrique"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1170"]
[BlackElo "1983"]
[PlyCount "133"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 7. h3 0-0 8. Nf1 b5 9. Bb3 d5 10. Qe2 Be6 11. Ng3 a5 12. Nh2 a4 13. Bc2 Qd7 14. Qf3 dxe4 15. dxe4 Bc4 16. Ng4 Qe6 17. Bg5 Nd7 18. Nf5 Ne7 19. Bxe7 Bxe7 20. h4 h5 21. Nge3 g6 22. Nxe7+ Qxe7 23. g4 Nf6 24. Rg1 Kh7 25. gxh5 Nxh5 26. Nf5 Qf6 27. Qg4 Rad8 28. Ng3 Nxg3 29. Rxg3 Be6 30. Qg5 Qxg5 31. hxg5 Rd6 32. Bd3 c6 33. Rd1 Bxa2 34. Be2 Rfd8 35. Rgd3 Rxd3 36. Rxd3 Rxd3 37. Bxd3 Kg7 38. Ke2 f6 39. gxf6+ Kxf6 40. Kf3 Be6 41. Kg3 Bd7 42. Be2 c5 43. c4 b4 44. Bd3 a3 45. bxa3 bxa3 46. Bb1 Ba4 47. Ba2 Bd1 48. f3 Kg5 49. f4+ exf4+ 50. Kf2 Kf6 51. Ke1 Ba4 52. Ke2 Ke5 53. Kd3 g5 54. Ke2 Kxe4 55. Kf2 Kd4 56. Ke2 Kc3 57. Bb1 Bc2 58. Bxc2 Kxc2 59. Kf3 a2 60. Kg4 a1Q 61. Kxg5 Qe5+ 62. Kg4 Kd3 63. Kf3 Qe3+ 64. Kg4 Ke4 65. Kg5 Ke5 66. Kg4 Qg3+ 67. Kh5 0-1

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.28"]
[Round "5"]
[White "Cohen, Jaime"]
[Black "Castro Silva, Alex"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1983"]
[BlackElo "1882"]
[PlyCount "100"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. exd5 exd5 6. Bd3 0-0 7. h3 b6 8. Bf4 Bb4 9. 0-0 Bxc3 10. bxc3 Ba6 11. Bxa6 Nxa6 12. Qd3 Qc8 13. Rfe1 c5 14. Re5 c4 15. Qe3 Nc7 16. Re7 Ne6 17. Bd6 Re8 18. Qe5 Qc6 19. Nd2 Nd7 20. Qf5 Rxe7 21. Bxe7 Re8 22. Bh4 g6 23. Qf3 Ng7 24. a4 Nf5 25. Bg5 Qe6 26. g4 Nd6 27. a5 b5 28. a6 Nb6 29. Bf4 Ne4 30. Nxe4 dxe4 31. Qg3 Na4 32. Re1 Qxa6 33. d5 Nc5 34. d6 Qc6 35. Qe3 a5 36. f3 Re6 37. d7 Nxd7 38. fxe4 Qc5 39. Kg2 Qxe3 40. Rxe3 Nc5 41. Kf3 Kf8 42. Bc7 a4 43. e5 Ke8 44. Bd6 Nd7 45. g5 a3 46. Kf4 Nb6 47. Re4 a2 48. Re1 Nc8 49. Bb4 Ra6 50. Ra1 Nb6 0-1

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.28"]
[Round "4"]
[White "Franco Pinanez, Miguel Augusto"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1694"]
[BlackElo "1983"]
[PlyCount "48"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. fxe5 dxe5 9. Bg5 Qe7 10. Na3 Be6 11. Bxf6 gxf6 12. c3 Bxc4 13. Nxc4 Ne6 14. Qa4+ c6 15. Kh1 Nc5 16. Qc2 0-0 17. b4 Ne6 18. Qf2 Rad8 19. Qxf6 Qxf6 20. Rxf6 Ng5 21. Nxe5 Nxe4 22. Rxf7 Nxc3 23. Rf3 Rd1+ 24. Rxd1 Nxd1 1/2-1/2

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.27"]
[Round "3"]
[White "Cohen, Jaime"]
[Black "Proudian, Armen"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1983"]
[BlackElo "2440"]
[PlyCount "44"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 5. c3 g6 6. d4 exd4 7. Nxd4 b5 8. Nxc6 Nxc6 9. Bb3 Bg7 10. 0-0 0-0 11. Be3 Bb7 12. Bd5 Re8 13. a4 Qe7 14. axb5 axb5 15. Na3 b4 16. Nb5 bxc3 17. bxc3 d6 18. Na7 Nd8 19. Ra4 c6 20. Bb3 c5 21. Nb5 Rxa4 22. Bxa4 Qxe4 0-1

[Event "Brazil AXPG op 1st"]
[Site "Ponta Grossa"]
[Date "2017.10.27"]
[Round "2"]
[White "Szuba, Joao Gabriel Muniz"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1483"]
[BlackElo "1983"]
[PlyCount "80"]
[EventDate "2017.10.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. 0-0 b5 7. Bb3 d6 8. c3 Ba7 9. h3 0-0 10. Nbd2 Re8 11. Re1 h6 12. a4 Be6 13. Bc2 Ne7 14. Nf1 Ng6 15. Ng3 c6 16. d4 Qd7 17. Be3 Qb7 18. Qd2 Rab8 19. axb5 cxb5 20. d5 Bxe3 21. Rxe3 Bd7 22. b4 Qb6 23. Ra5 Rec8 24. Bd1 Rf8 25. Qa2 Ra8 26. Be2 Nf4 27. Bf1 N6h5 28. Nxh5 Nxh5 29. g3 Nxg3 30. Bg2 Nh5 31. Re1 Nf4 32. Kh2 Kh8 33. Bf1 f5 34. exf5 Rxf5 35. Ra1 Rh5 36. Ng1 Rf5 37. Rxa6 Rxa6 38. Qxa6 Qxf2+ 39. Kh1 Rg5 40. Qa8+ Kh7 0-1

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.16"]
[Round "6"]
[White "Lukachewski Junior, Wanderlei"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2045"]
[BlackElo "1937"]
[PlyCount "22"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 d5 4. Nf3 Ne4 5. Bf4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. c4 dxc4 9. dxc5 Nc6 10. c3 0-0 11. Be2 Re8 1/2-1/2

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.16"]
[Round "5"]
[White "Starke, Bruno Orlando"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2184"]
[BlackElo "1937"]
[PlyCount "35"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 d5 7. cxd5 exd5 8. Be2 Bc5 9. 0-0 0-0 10. b3 Nxd4 11. exd4 Bb4 12. Bb2 Bf5 13. Rc1 Rc8 14. a3 Bd6 15. Bf3 Bf4 16. Ra1 Re8 17. g3 Bh6 18. Re1 1/2-1/2

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.15"]
[Round "4"]
[White "Cohen, Jaime"]
[Black "Nemeth Junior, Henrique"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1937"]
[BlackElo "2014"]
[PlyCount "83"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 g6 6. d4 Bg7 7. Nc3 cxd4 8. Nxd4 Qa5 9. 0-0 Rc8 10. Nb3 Qb4 11. Nd5 Qxc4 12. Be3 Bxb2 13. Rb1 Ba3 14. Na5 Qa6 15. Qa4 b6 16. Bxb6 axb6 17. Nxb6 Ngf6 18. Nxc8 Bc5 19. Nxe7 Kxe7 20. Nc6+ Qxc6 21. Qxc6 Ne5 22. Rb7+ Kf8 23. Rb8+ Kg7 24. Qb5 Rxb8 25. Qxb8 Nxe4 26. a4 Nd3 27. a5 Nexf2 28. Rxf2 Bxf2+ 29. Kf1 Bc5 30. a6 Ne5 31. a7 Bxa7 32. Qxa7 Kf6 33. Ke2 h5 34. Qc7 Ke6 35. h3 f5 36. Ke3 Nf7 37. Kd4 g5 38. Qc8+ Kf6 39. Kd5 f4 40. Qe6+ Kg7 41. Qe7 Kg6 42. Ke6 1-0

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.15"]
[Round "3"]
[White "Pereira, Armando Scharlau"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1725"]
[BlackElo "1937"]
[PlyCount "126"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 a6 8. 0-0 Qc7 9. e4 0-0 10. Nxc6 bxc6 11. Be3 d6 12. h3 Rb8 13. Qd2 Be6 14. b3 Rfd8 15. Rac1 Qd7 16. Kh2 Qc7 17. Rfd1 Nd7 18. Na4 c5 19. Nc3 Ne5 20. Bh6 Bxh3 21. Nd5 Bxh6 22. Nxc7 Bxd2 23. Rxd2 Bc8 24. Nd5 Kf8 25. f4 Nc6 26. Bh3 Nd4 27. Rf1 e6 28. Nc3 Bb7 29. Bg2 h5 30. Kh3 Ke7 31. Rc1 Bc6 32. Ne2 Nxe2 33. Rxe2 a5 34. Rc3 Rb4 35. a3 Rb6 36. Kh4 Rdb8 37. Ree3 a4 38. bxa4 Bxa4 39. e5 Rb3 40. exd6+ Kxd6 41. Rcd3+ Ke7 42. Kg5 Rxd3 43. Rxd3 Rb3 44. Rxb3 Bxb3 45. Bf1 Bc2 46. Be2 f6+ 47. Kh4 Be4 48. g4 hxg4 49. Kxg4 Kd6 50. Kg3 e5 51. Bf1 Bc2 52. Kf3 exf4 53. Kxf4 g5+ 54. Ke3 Ke5 55. Bg2 Ba4 56. Bb7 f5 57. Ba6 Bc6 58. Bb5 f4+ 59. Kf2 Bxb5 60. cxb5 c4 61. b6 Kd6 62. a4 c3 63. Ke2 f3+ 0-1

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.14"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Bueno, Vinicius Nogueira"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1937"]
[BlackElo "1681"]
[PlyCount "71"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Bg4 6. h3 Bh5 7. 0-0 Nc6 8. Re1+ Nge7 9. c3 Qd7 10. Nbd2 0-0-0 11. b4 f6 12. b5 Nb8 13. Qc2 g5 14. c4 Bg6 15. c5 Bf4 16. Nb3 Bxd3 17. Qxd3 Bxc1 18. Raxc1 c6 19. a4 h5 20. Re2 g4 21. Nh4 Rdg8 22. Rce1 Rg7 23. Re6 gxh3 24. g3 b6 25. cxb6 axb6 26. a5 Rhg8 27. Qe3 Qc7 28. Rxe7 Rxe7 29. Qxe7 Rxg3+ 30. fxg3 Qxg3+ 31. Kh1 Qxh4 32. Qe8+ Kb7 33. Qe7+ Ka8 34. axb6 Nd7 35. Qd8+ Nb8 36. Ra1+ 1-0

[Event "Curitiba Sul Region-ch"]
[Site "Curitiba"]
[Date "2017.04.14"]
[Round "1"]
[White "Ikeda, Vinicius Yasuto"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2018"]
[BlackElo "1937"]
[PlyCount "89"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Be7 6. Bg2 c6 7. 0-0 d5 8. Nbd2 Nbd7 9. Bb2 0-0 10. Re1 Bb7 11. e4 dxe4 12. Ng5 c5 13. Ngxe4 Qc7 14. dxc5 bxc5 15. Qe2 Rfd8 16. Rad1 h6 17. Qe3 Rac8 18. h3 a5 19. Qc3 Bf8 20. Qc2 Be7 21. Bc3 Nxe4 22. Nxe4 f5 23. Nd6 Bxd6 24. Bxb7 Rb8 25. Bg2 Nf8 26. Rd2 Rbc8 27. Qb2 e5 28. Bd5+ Kh7 29. Bxe5 Ng6 30. Bxd6 Rxd6 31. Rde2 Rf6 32. f4 h5 33. Re6 Rcf8 34. Qe2 Kh6 35. h4 Qd7 36. Qh2 Qc7 37. R1e3 Qd8 38. Qe2 Qc7 39. Bf3 Rd8 40. Rxf6 gxf6 41. Bd5 Qg7 42. Kh2 a4 43. bxa4 Rb8 44. Rb3 Qc7 45. Qe6 1-0

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Disconzi da Silva, Rodrigo"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "2340"]
[PlyCount "82"]
[EventDate "1993.08.26"]
[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 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bf5 6. e3 Qb6 7. Qd2 Be7 8. Nge2 Nd7 9. Ng3 Be6 10. h4 Ngf6 11. Bd3 Qd8 12. f3 0-0 13. Nf5 Bxf5 14. Bxf5 Nh5 15. 0-0-0 Nxf4 16. exf4 Qc7 17. Kb1 Rfe8 18. Qc2 Nf6 19. Ne2 Bd6 20. Qd2 Re7 21. Bd3 Nh5 22. f5 Rae8 23. g4 Nf4 24. Nxf4 Bxf4 25. Qg2 Qa5 26. g5 Re1 27. f6 Rxd1+ 28. Rxd1 Re1 29. Qc2 Rxd1+ 30. Qxd1 Qd2 31. Qf1 Bg3 32. Bf5 Bxh4 33. fxg7 Bxg5 34. Bc8 Bf6 35. Bxb7 Qxd4 36. Qe2 h5 37. a3 c5 38. Kc1 c4 39. Bc8 Qg1+ 40. Kc2 Qg6+ 41. Kd2 Qb1 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "4"]
[White "Cohen, Jaime"]
[Black "Serra Azul Neto, Francisco"]
[Result "1-0"]
[ECO "D93"]
[PlyCount "71"]
[EventDate "1993.08.26"]
[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 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 0-0 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 Be6 10. Qc2 Na6 11. a3 Qb6 12. b4 Nd5 13. Be5 f6 14. Bg3 Bf5 15. Qb3 Be6 16. Qc2 Bf5 17. Qb3 Be6 18. e4 Nf4 19. d5 Nxe2 20. Nxe2 cxd5 21. exd5 Bf7 22. 0-0 Rfd8 23. Rfd1 Rac8 24. Nf4 f5 25. Rac1 Rxc1 26. Rxc1 Nc7 27. Ng5 Bxd5 28. Nxd5 Nxd5 29. Bc7 Qf6 30. Bxd8 Qxg5 31. Qxd5+ Kh8 32. Rc8 Bf8 33. Qe5+ Kg8 34. Bxe7 Qxe7 35. Qxe7 Kh8 36. Rxf8# 1-0

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "Souza, Adwilhans Luciano"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "64"]
[EventDate "1993.08.26"]
[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 c5 2. d5 e5 3. c4 f5 4. e4 d6 5. Nc3 Nf6 6. Bd3 fxe4 7. Nxe4 Be7 8. Ne2 Nxe4 9. Bxe4 Bg5 10. f4 Bf6 11. Qd3 Bg4 12. Nc3 Qe7 13. 0-0 Nd7 14. Bg6+ Kd8 15. Bf5 Bxf5 16. Qxf5 a6 17. Ne4 Kc7 18. Rb1 Rhf8 19. Qh3 exf4 20. Nxf6 Rxf6 21. Bxf4 Raf8 22. Qg3 Qe4 23. Bd2 Rxf1+ 24. Rxf1 Rxf1+ 25. Kxf1 Qxc4+ 26. Ke1 Qxd5 27. Qxg7 Qe5+ 28. Qxe5 Nxe5 29. Ke2 d5 30. Bf4 Kd6 31. g4 Ke6 32. h3 d4 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "5"]
[White "Fachini Neto, Olavo Jr"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "48"]
[EventDate "1993.08.26"]
[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 Nf6 2. Nf3 d6 3. c3 g6 4. Bg5 Ne4 5. Bh4 Nd7 6. Nbd2 Ndf6 7. e3 Bg7 8. Bd3 Nxd2 9. Qxd2 Bf5 10. 0-0 Qd7 11. Rfe1 Bg4 12. Be2 h6 13. Qc2 g5 14. Bg3 Nh5 15. e4 Nxg3 16. hxg3 Bxf3 17. gxf3 h5 18. Kg2 0-0-0 19. Bc4 Rdf8 20. e5 g4 21. f4 Qc6+ 22. Qe4 Qxc4 23. b3 Qc6 24. d5 Qd7 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "7"]
[White "Gauche, Charles"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2340"]
[PlyCount "10"]
[EventDate "1993.08.26"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 1/2-1/2

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "3"]
[White "Prates, Fabiano Fortes"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "80"]
[EventDate "1993.08.26"]
[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. Nc3 Nf6 3. f4 g6 4. Nf3 Bg7 5. Bc4 0-0 6. d3 c6 7. Bb3 Na6 8. 0-0 Nc5 9. Qe1 Nxb3 10. axb3 Qc7 11. Qh4 Re8 12. e5 Nd5 13. f5 dxe5 14. Ng5 Nf6 15. fxg6 hxg6 16. Nce4 Bf5 17. Be3 b6 18. Rf3 Qd7 19. h3 Bxe4 20. dxe4 Qd6 21. Raf1 Rad8 22. R3f2 Qc7 23. Nf3 Nh5 24. g4 Nf6 25. Ng5 Rd6 26. Bd2 Red8 27. Bc3 Rd1 28. Qg3 Rxf1+ 29. Rxf1 Qd6 30. Rf2 Qd1+ 31. Kg2 Qc1 32. Qxe5 Rd1 33. Nf3 Qe3 34. Nd2 Qe1 35. Qf4 Qh1+ 36. Kg3 Nh5+ 37. gxh5 Rg1+ 38. Kh4 g5+ 39. Qxg5 Rxg5 40. Kxg5 Qg1+ 0-1

[Event "BRA-ch U26"]
[Site "Caioba"]
[Date "1993.08.??"]
[Round "1"]
[White "Zanini, Katiuca"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "72"]
[EventDate "1993.08.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 e6 3. Nf3 Nf6 4. b5 Bd6 5. e3 0-0 6. c4 Nbd7 7. cxd5 exd5 8. Qc2 Re8 9. Be2 Nf8 10. 0-0 Bg4 11. d3 Rc8 12. Rc1 c5 13. Qa4 Bd7 14. Nc3 a6 15. Bf1 axb5 16. Nxb5 Qb6 17. Bxf6 Bxb5 18. Qg4 Bxh2+ 19. Nxh2 Qxf6 20. Qf3 Qxf3 21. Nxf3 Ne6 22. Rab1 Ba6 23. d4 c4 24. g3 b5 25. Bh3 Ra8 26. Ne5 Red8 27. f4 Nc7 28. Nc6 Re8 29. Kf2 Bb7 30. Nb4 Kf8 31. Kf3 Ke7 32. Rc3 Kd6 33. Bf5 h6 34. Re1 Ra4 35. a3 Rea8 36. Ra1 Rxb4 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "9"]
[White "Cohen, Jaime"]
[Black "De Haro, Martim Alfonso"]
[Result "1-0"]
[ECO "A96"]
[PlyCount "103"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. c4 0-0 6. 0-0 d6 7. b3 Qe8 8. Bb2 a5 9. Nbd2 c6 10. Ne1 d5 11. e3 b6 12. Nd3 Bb7 13. a4 Na6 14. Ne5 Nd7 15. Nxd7 Qxd7 16. Nf3 Rad8 17. Ne5 Qc7 18. Rc1 Nb4 19. Re1 c5 20. cxd5 Bxd5 21. e4 Bxe4 22. Bxe4 fxe4 23. Rxe4 Qb7 24. Qg4 Rf6 25. Qe2 Qd5 26. Nc4 Rdf8 27. f4 cxd4 28. Nxb6 Qxb3 29. Bxd4 Nd3 30. Rc6 e5 31. Rxf6 gxf6 32. Re3 Qb1+ 33. Kg2 Nc5 34. Qc4+ Kh8 35. Bxc5 Bxc5 36. Qxc5 Rd8 37. Nd7 Qb7+ 38. Kf2 Qxd7 39. fxe5 fxe5 40. Qxe5+ Kg8 41. Qg5+ Kh8 42. Qf6+ Kg8 43. Qg5+ Kh8 44. Qe5+ Kg8 45. Re4 Rf8+ 46. Kg2 Qd2+ 47. Kh3 Qd7+ 48. Rg4+ Kf7 49. Qg7+ Ke8 50. Qxd7+ Kxd7 51. Rg7+ Kc6 52. Rxh7 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "Gimenez, Jayme Augusto"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "88"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. a4 Bg7 9. a5 Qb4 10. Ra4 Qb7 11. Bc4 Bd7 12. Ra2 0-0 13. Nge2 Qb4 14. Qd3 Bb5 15. Bxb5 axb5 16. Bd2 c4 17. Qc2 Ng4 18. 0-0 Na6 19. h3 Ne5 20. Be3 Nc5 21. f4 Ned3 22. Nd4 Bxd4 23. Bxd4 Rxa5 24. Rxa5 Qxa5 25. f5 Nb3 26. Be3 Ne5 27. Ne2 Nc5 28. Nd4 Ncd3 29. fxg6 hxg6 30. Kh1 b4 31. Bg5 b3 32. Qe2 Re8 33. Bd2 Qb6 34. Bc3 Ra8 35. Nf3 Nf4 36. Qe1 Ned3 37. Qh4 f6 38. Ng5 fxg5 39. Qh8+ Kf7 40. Qg7+ Ke8 41. Qg8+ Kd7 42. Qxa8 Nf2+ 43. Kh2 Nxe4 44. Ba5 Qe3 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "3"]
[White "Cohen, Jaime"]
[Black "Man Yee, Chow"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "2285"]
[PlyCount "44"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 Nf8 8. Nge2 Ne6 9. Bxf6 Bxf6 10. Qc2 g6 11. h3 c6 12. 0-0-0 b6 13. Kb1 Bb7 14. f4 Nc7 15. f5 Qe7 16. e4 dxe4 17. Bxe4 0-0-0 18. fxg6 hxg6 19. Bf3 Bg7 20. Qa4 Nb5 21. Nxb5 cxb5 22. Qxa7 Be4+ 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "5"]
[White "Cohen, Jaime"]
[Black "Reis, Paulo F Jatoba"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "63"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 d6 6. Bd3 0-0 7. Ne2 b6 8. e4 e5 9. Bg5 Re8 10. f3 Nc6 11. 0-0 Ba6 12. f4 Na5 13. fxe5 dxe5 14. Ng3 Re6 15. d5 Rd6 16. Nf5 h6 17. Bh4 Bxc4 18. Nxd6 Qxd6 19. Bxf6 gxf6 20. Rf3 Kh7 21. Qf1 Bxd3 22. Qxd3 Rg8 23. Raf1 Rg6 24. R1f2 Nb7 25. Qf1 Kg7 26. h4 h5 27. Rf5 Qc5 28. Kh2 Qxc3 29. R2f3 Qc2 30. Rxf6 Nd6 31. Rxg6+ Kxg6 32. Rg3+ 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "1"]
[White "Cohen, Jaime"]
[Black "Tsuboi, Edson Kenji"]
[Result "0-1"]
[ECO "D97"]
[BlackElo "2335"]
[PlyCount "58"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Na6 8. Be2 c5 9. d5 e6 10. 0-0 exd5 11. exd5 Bf5 12. Bg5 h6 13. Bh4 Qb6 14. Nd2 g5 15. Bg3 Qxb2 16. Nb3 Rfe8 17. Rfe1 Nd7 18. Na4 Qa3 19. Bf3 Bxa1 20. Rxa1 Qb4 21. Qxb4 Nxb4 22. d6 b6 23. Bxa8 Rxa8 24. Nc3 Re8 25. f3 Re3 26. Nb5 a6 27. Nc7 a5 28. Nd2 Re2 29. Nc4 Bd3 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "10"]
[White "De Souza Haro, Paulo Cezar"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2255"]
[PlyCount "89"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 f5 5. Bf4 Nf6 6. e3 Be7 7. cxd5 exd5 8. Ne5 0-0 9. Bd3 Ne4 10. f3 Nxc3 11. bxc3 Nd7 12. Qc2 Nxe5 13. Bxe5 Bd6 14. 0-0 Bxe5 15. dxe5 Be6 16. Kh1 Qe7 17. f4 Kh8 18. g4 Qf7 19. Rg1 c5 20. gxf5 Bxf5 21. Rg5 Bxd3 22. Qxd3 Rad8 23. Rf1 d4 24. cxd4 Qd5+ 25. Kg1 cxd4 26. Rh5 h6 27. e4 Qc6 28. f5 Qc3 29. Rh3 Qxd3 30. Rxd3 g6 31. e6 gxf5 32. exf5 Rf6 33. Rf4 Kg7 34. Rg3+ Kf8 35. Re4 Re8 36. Re5 Ke7 37. Rd5 Kf8 38. Rd3 Re7 39. R3xd4 Kg7 40. Kg2 Rf8 41. Rg4+ Kh7 42. Kg3 Rf6 43. Rgd4 Rf8 44. Rd7 Rfe8 45. Rxe7+ 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "8"]
[White "Favaro, Edmar F"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2310"]
[PlyCount "39"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[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. f4 Bg7 5. Nf3 0-0 6. Bd3 Na6 7. 0-0 c5 8. e5 Nd7 9. Bxa6 bxa6 10. dxc5 dxe5 11. Qd5 Rb8 12. Nxe5 Nxe5 13. fxe5 Qc7 14. Bf4 Be6 15. Qd4 Rfd8 16. Qe3 Rxb2 17. Rad1 Rc8 18. Rd2 Qxc5 19. Qxc5 Rxc5 20. Na4 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "2"]
[White "Iriarte, Orlando"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "104"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[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. Be2 Bg7 5. g4 e5 6. d5 a6 7. g5 Nfd7 8. a4 a5 9. Be3 Na6 10. Bb5 Nb4 11. Nge2 h6 12. Qd2 hxg5 13. Bxg5 Bf6 14. Be3 Kf8 15. 0-0-0 Nc5 16. f4 Bh3 17. fxe5 Bxe5 18. Nf4 Qf6 19. Nxh3 Rxh3 20. Rdf1 Qh4 21. Rf2 Nxe4 22. Nxe4 Qxe4 23. Rhf1 Qxe3 24. Rxf7+ Kg8 25. Qxe3 Rxe3 26. Rxc7 Rf8 27. Rg1 Rf6 28. c3 Bf4 29. Kb1 Nxd5 30. Bc4 Re5 31. Rd1 Rff5 32. Rxb7 Kf8 33. Rg1 Ne3 34. Bb5 g5 35. h4 g4 36. Bd7 Rf6 37. Ra7 g3 38. Bc6 Rh6 39. b4 d5 40. b5 Nc4 41. Rd7 Nb6 42. Ra7 Nxa4 43. Rxa5 Nxc3+ 44. Kc2 d4 45. Rf1 Rxh4 46. Kd3 Ke7 47. Kxd4 Ne2+ 48. Kd3 Rh6 49. Ra7+ Kd6 50. Rd1 Kc5 51. Rb1 Rd6+ 52. Kc2 Rd2+ 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "7"]
[White "Limp, Eduardo Thelio"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2325"]
[PlyCount "61"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[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. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. 0-0 Bg4 8. e5 dxe5 9. dxe5 Nd5 10. h3 Nxc3 11. bxc3 Be6 12. Qe2 Qe8 13. Ng5 Bc8 14. Ba3 Nd8 15. g4 f6 16. exf6 exf6 17. Bc4+ Kh8 18. Bxf8 Qxf8 19. Ne6 Bxe6 20. Bxe6 Qc5+ 21. Kh2 Nxe6 22. Qxe6 Qxc3 23. Qb3 Qd2+ 24. Kh1 f5 25. Rad1 Qe2 26. Rde1 Qa6 27. gxf5 gxf5 28. Rg1 Qc6+ 29. Rg2 Re8 30. Rxe8+ Qxe8 31. Qxb7 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "4"]
[White "Van Riemsdijk, Vinicius Paulo"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "45"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[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. Be2 Bg7 6. f4 Qa5 7. Bf3 e5 8. dxe5 dxe5 9. Qd6 Nfd7 10. Nge2 exf4 11. Bxf4 Be5 12. Bxe5 Qxe5 13. Qd2 Nf6 14. 0-0 0-0 15. Rf2 Bg4 16. Raf1 Na6 17. Bxg4 Nxg4 18. Rf4 Rad8 19. Qc1 Qh5 20. h3 Ne5 21. Qe3 Nc4 22. Qg3 Qh6 23. Qf2 1/2-1/2

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "10"]
[White "Cohen, Jaime"]
[Black "Carvalho, Renato Luiz"]
[Result "1-0"]
[ECO "E70"]
[PlyCount "67"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 c6 7. Be2 Nbd7 8. h4 h5 9. Bg5 Nh7 10. Be3 Ndf6 11. f3 a6 12. Qd2 Qc7 13. 0-0-0 b5 14. f4 b4 15. Nb1 Ng4 16. Bxg4 Bxg4 17. Rdf1 c5 18. d5 Nf6 19. Qc2 Nd7 20. Nd2 Nb6 21. f5 Qd7 22. fxg6 Na4 23. gxf7+ Rxf7 24. e5 e6 25. Rxf7 Kxf7 26. dxe6+ Bxe6 27. Rf1+ Ke8 28. Nxh5 Bxe5 29. Nf6+ Bxf6 30. Rxf6 Nb6 31. Qe4 Ke7 32. Bg5 Kd8 33. Rxe6+ Kc7 34. Re7 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "4"]
[White "Cohen, Jaime"]
[Black "Disconzi da Silva, Rodrigo"]
[Result "0-1"]
[ECO "A52"]
[BlackElo "2290"]
[PlyCount "54"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Ngxe5 6. Be2 Bc5 7. Nc3 0-0 8. a3 a5 9. b3 Re8 10. Nxe5 Nxe5 11. Ne4 Bf8 12. Ng3 d6 13. 0-0 Qh4 14. Qd4 Qxd4 15. exd4 Nc6 16. Bb2 g6 17. Bf3 Bg7 18. Rfd1 h5 19. Rd2 h4 20. Nf1 Bf5 21. c5 Rad8 22. Bxc6 bxc6 23. Ne3 dxc5 24. Nxf5 gxf5 25. Bc3 a4 26. bxa4 cxd4 27. Bb4 Rd5 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "11"]
[White "Cohen, Jaime"]
[Black "Leitao, Rafael Duailibe"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "96"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 cxd4 5. cxd4 g6 6. Nf3 Bg7 7. 0-0 0-0 8. Nc3 Bg4 9. h3 Bxf3 10. Qxf3 Nc6 11. d5 Ne5 12. Qe2 Nxd3 13. Qxd3 Nd7 14. Be3 Nc5 15. Bxc5 dxc5 16. Rfe1 Qc7 17. Rad1 a6 18. Qe3 Bd4 19. Qh6 Qe5 20. Rd3 b5 21. Qd2 Rad8 22. b3 e6 23. Ne2 Qxe4 24. Nxd4 Qxd5 25. Rd1 cxd4 26. Rxd4 Qxd4 27. Qxd4 Rxd4 28. Rxd4 Rc8 29. Rd6 Rc1+ 30. Kh2 Rc2 31. Rxa6 Rxf2 32. Ra5 b4 33. Kg3 Rd2 34. Ra4 Rd4 35. Kf3 Kg7 36. Ke3 e5 37. a3 bxa3 38. Rxa3 f5 39. Ra2 Kf6 40. Rb2 f4+ 41. Ke2 Rb4 42. Kd3 Kf5 43. Kc3 Rb8 44. b4 e4 45. b5 f3 46. Kd4 Kf4 47. b6 Kg3 48. gxf3 exf3 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "7"]
[White "Cohen, Jaime"]
[Black "Sousa, Armindo"]
[Result "0-1"]
[ECO "E70"]
[BlackElo "2285"]
[PlyCount "76"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 e5 7. d5 c6 8. Be2 cxd5 9. cxd5 Ne8 10. h4 f5 11. exf5 gxf5 12. Bg5 Qa5 13. Qd2 a6 14. Nh5 b5 15. Nxg7 Nxg7 16. Be7 Re8 17. Bxd6 Qb6 18. Bxb8 Rxb8 19. b4 Bd7 20. 0-0 f4 21. d6 Kh8 22. Ne4 Qd8 23. Ng5 Rf8 24. Qd5 Qf6 25. Bd3 Nf5 26. Rfe1 Rbe8 27. Bxf5 Bxf5 28. Rac1 h6 29. Nf3 e4 30. Nd4 Re5 31. Qb7 Rg8 32. Nxf5 Qxf5 33. f3 Qh3 34. Rc2 Qxh4 35. Ree2 Rh5 36. Rc8 Qh1+ 37. Kf2 e3+ 38. Rxe3 Qxg2+ 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "5"]
[White "Cohen, Jaime"]
[Black "Toth, Peter"]
[Result "1/2-1/2"]
[ECO "A57"]
[BlackElo "2235"]
[PlyCount "40"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 d6 5. Nbd2 g6 6. e4 Bg7 7. Rb1 b4 8. Bd3 0-0 9. h3 Nbd7 10. 0-0 a5 11. Re1 e5 12. dxe6 fxe6 13. e5 Nxe5 14. Nxe5 dxe5 15. Ne4 Qc7 16. Nxf6+ Bxf6 17. Be3 Rd8 18. Qf3 Be7 19. Be4 Ra6 20. Qg3 Bf6 1/2-1/2

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Van Riemsdijk, Vinicius Paulo"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "73"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 0-0 7. Nge2 Nbd7 8. Ng3 Re8 9. Nf5 Bf8 10. Bg5 Nb6 11. Qf3 Bxf5 12. Qxf5 Nbd7 13. h4 g6 14. Qf3 h5 15. 0-0-0 Bg7 16. Qe3 Qa5 17. Be2 a6 18. g4 hxg4 19. Rdg1 Kh7 20. Kb1 Rh8 21. Qd3 Kg8 22. Bxg4 b5 23. cxb5 axb5 24. Qxb5 Qa7 25. Bxd7 Nxd7 26. Qe2 Nb6 27. h5 Na4 28. Nxa4 Qxa4 29. b3 Rb8 30. hxg6 fxg6 31. Rxh8+ Kxh8 32. Qd3 Qd7 33. Bd2 Ra8 34. Rxg6 Qa7 35. Qh3+ Kg8 36. a4 Qa6 37. Bh6 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "8"]
[White "Jesus Filho, Jose Carlos"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "68"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. f3 c6 5. Be3 Nbd7 6. Bc4 Bg7 7. Bb3 b5 8. a3 Nb6 9. Nge2 Qc7 10. Qd2 Be6 11. h4 Bxb3 12. cxb3 h5 13. Rc1 Qd7 14. Kf2 0-0 15. Rc2 Qe6 16. d5 cxd5 17. Nf4 Qd7 18. Ncxd5 Nbxd5 19. Nxd5 Nxd5 20. Qxd5 e6 21. Qd2 Rfc8 22. Rhc1 Rxc2 23. Qxc2 d5 24. exd5 exd5 25. Bf4 Qe6 26. g3 Qh3 27. Qc6 Rd8 28. Re1 Qh2+ 29. Kf1 Kh7 30. Qc7 Qh3+ 31. Kf2 Rc8 32. Qxf7 Qh2+ 33. Ke3 d4+ 34. Ke4 Qc2+ 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "3"]
[White "Nascimento, Alexandre"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "2295"]
[PlyCount "92"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. g3 Nbd7 4. Bg2 e5 5. c4 Be7 6. 0-0 0-0 7. Nc3 c6 8. h3 a6 9. e4 Qc7 10. Be3 b5 11. cxb5 axb5 12. a3 Bb7 13. Rc1 Qa5 14. Qb3 exd4 15. Nxd4 Rfe8 16. Rfd1 g6 17. e5 Nxe5 18. Ndxb5 d5 19. Bf4 Bf8 20. Nd4 Qa7 21. Be3 Qb8 22. Na4 Nc4 23. Rxc4 dxc4 24. Qxc4 Rxe3 25. fxe3 Qxg3 26. Qb3 Rxa4 27. Qxa4 c5 28. Nc6 Qxe3+ 29. Kh1 Nh5 30. Qg4 Ng3+ 31. Kh2 Ne2 32. h4 Bxc6 33. Bxc6 Qe5+ 34. Kh1 Bd6 35. Rxd6 Qxd6 36. Qxe2 Qxc6+ 37. Kg1 Qf6 38. Qe8+ Kg7 39. Qe4 Qxb2 40. a4 Qa1+ 41. Kf2 Qc3 42. h5 Qf6+ 43. Ke2 gxh5 44. a5 Qa6+ 45. Kf3 Qxa5 46. Qe5+ Kf8 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "1"]
[White "Pelikian, Jefferson"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2320"]
[PlyCount "127"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Qd2 e5 9. dxe5 dxe5 10. Rad1 Qc8 11. Qc1 Rd8 12. Rxd8+ Qxd8 13. Rd1 Qe8 14. h3 Bxf3 15. Bxf3 Rd8 16. Nb5 Qe7 17. c3 a6 18. Na3 Nd7 19. Bg5 Bf6 20. Bh6 Nc5 21. Nc4 Ne6 22. g3 Bg5 23. Bxg5 Nxg5 24. Rxd8+ Qxd8 25. Bg2 Qd3 26. Nd2 Qd7 27. Kh2 Qe7 28. h4 Ne6 29. Nf1 Qf6 30. Kg1 h5 31. Ne3 Qd8 32. Qc2 Kg7 33. Bf1 Ne7 34. Qd3 Nc5 35. Qc4 Qd6 36. b4 Ne6 37. a4 c5 38. b5 a5 39. Qe2 Nc8 40. Nc4 Qc7 41. Qd2 Nb6 42. Nxb6 Qxb6 43. Qd5 Qc7 44. Bh3 Kf6 45. Bxe6 fxe6 46. Qd2 b6 47. Qh6 Qd6 48. Kg2 Kf7 49. Qh7+ Kf6 50. Qg8 Qe7 51. Qb8 g5 52. Qh8+ Kg6 53. Qg8+ Kh6 54. hxg5+ Qxg5 55. Qxe6+ Kg7 56. Kh3 Qc1 57. Qxe5+ Kg6 58. Kg2 Qd1 59. Qe6+ Kg7 60. Qxb6 Qxa4 61. Qc7+ Kg6 62. Qd6+ Kf7 63. Qd5+ Kg7 64. b6 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "9"]
[White "Ribeiro, Regina"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2050"]
[PlyCount "67"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 e6 4. 0-0 Bd6 5. b3 Ne7 6. Bb2 0-0 7. d3 f6 8. Nbd2 e5 9. e4 d4 10. Nc4 Be6 11. Nxd6 Qxd6 12. Nd2 Nd7 13. f4 b5 14. f5 Bf7 15. a4 a6 16. Nf3 c5 17. g4 Rfc8 18. Qe1 Qc6 19. h4 c4 20. bxc4 bxc4 21. Ba3 Nc5 22. g5 Kh8 23. Qg3 Ra7 24. h5 cxd3 25. Bxc5 Qxc5 26. cxd3 Qd6 27. h6 Rg8 28. hxg7+ Rxg7 29. Qh4 Ng8 30. Rab1 fxg5 31. Nxg5 Nf6 32. Ne6 Bxe6 33. Qxf6 Ra8 34. fxe6 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "6"]
[White "Souza, Ivan Boere"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2290"]
[PlyCount "93"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[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. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Nh5 9. Be4 f6 10. exf6 Nxf6 11. Bxc6 bxc6 12. 0-0 Bg4 13. Qd3 Bxf3 14. Rxf3 Ng4 15. Rxf8+ Qxf8 16. Be3 Nxe3 17. Qxe3 Qf6 18. Rd1 Rf8 19. g3 Qf5 20. Qe2 c5 21. g4 Qf4 22. dxc5 Bd4+ 23. Kh1 Bxc5 24. Ne4 Be3 25. Ng3 Qe5 26. Rd3 Bd4 27. Qxe5 Bxe5 28. Re3 Bxb2 29. Rxe7 Rf7 30. Re2 Rf4 31. Re4 Rxe4 32. Nxe4 h6 33. Nc5 Kf7 34. c4 Bd4 35. Nd3 Kf6 36. Kg2 h5 37. h3 Kg5 38. Kg3 hxg4 39. hxg4 Bc3 40. Kf3 Kh4 41. Nf4 g5 42. Ne6 Ba5 43. a3 Bb6 44. c5 Ba5 45. Nd4 Bc3 46. Nb5 Bb2 47. a4 1-0

[Event "BRA-ch U18 1st"]
[Site "Paranavai"]
[Date "1987.12.??"]
[Round "4"]
[White "Araujo, Rodolfo"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2225"]
[PlyCount "40"]
[EventDate "1987.12.04"]
[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. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Nbd2 cxd4 7. cxd4 Nf5 8. Nb3 Qb6 9. Bd3 Bb4+ 10. Kf1 a5 11. a4 Bd7 12. Bc2 Be7 13. Bg5 Bxg5 14. Bxf5 Be7 15. Bc2 Nb4 16. h4 Rc8 17. Bd3 Nxd3 18. Qxd3 Qb4 19. Nfd2 Bxa4 20. f4 Bb5 0-1

[Event "BRA-ch U18 1st"]
[Site "Paranavai"]
[Date "1987.12.??"]
[Round "5"]
[White "Cohen, Jaime"]
[Black "Souza, Marco Andre"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "98"]
[EventDate "1987.12.04"]
[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. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. exf6+ Nxf6 12. Ng6+ hxg6 13. Qxh8 Kf7 14. Qh4 e5 15. Nf3 Nxf3+ 16. gxf3 Be7 17. Qg3 Bb4+ 18. Kf1 Bf5 19. Bxf5 gxf5 20. Qxe5 Qd7 21. Kg2 Bd6 22. Qd4 Rh8 23. h4 Qe6 24. Bg5 Nd7 25. Rad1 Nb6 26. Rhe1 Qg6 27. a4 f4 28. Qd3 Qxd3 29. Rxd3 Rc8 30. a5 Bb4 31. Ra1 Nc4 32. Rxd5 Nxb2 33. Rb1 Rc2 34. Rd7+ Kg6 35. Rxb7 Bc3 36. Bxf4 Nd3 37. Bg3 Bxa5 38. Rxa7 Bc3 39. Rc7 Kh7 40. Rb3 Ne1+ 41. Kf1 Ba5 42. Rxc2 Nxc2 43. Rb7 Bd8 44. Be5 Bxh4 45. Rxg7+ Kh6 46. Rg4 Be7 47. Bf4+ Kh5 48. Bd2 Bf6 49. Rf4 Kg6 1/2-1/2

[Event "BRA-ch U18 1st"]
[Site "Paranavai"]
[Date "1987.12.??"]
[Round "1"]
[White "Cohen, Jaime"]
[Black "Zanconato, Paulo"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "51"]
[EventDate "1987.12.04"]
[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. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd7 7. dxc5 Bxc5 8. Nb3 Qe7+ 9. Be2 Be6 10. Nxc5 Qxc5 11. 0-0 Nf6 12. Be3 Qe7 13. c3 0-0 14. Bg5 g6 15. Qa4 Kg7 16. Qh4 Rh8 17. Bh6+ Kg8 18. Ng5 Ne8 19. Rad1 Qd7 20. Qf4 f5 21. Bb5 Nc7 22. Bd3 Rc8 23. g4 fxg4 24. Qf6 Bf5 25. Bxf5 gxf5 26. Rd2 1-0

[Event "BRA-ch U18 1st"]
[Site "Paranavai"]
[Date "1987.12.??"]
[Round "2"]
[White "Rodrigues, Adriano Pfuhl"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "55"]
[EventDate "1987.12.04"]
[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. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. c3 0-0 11. Bg5 Bg4 12. Be2 Bh5 13. Nbd4 h6 14. Be3 Bg6 15. Qd2 Nxd4 16. Nxd4 a6 17. Bf3 Qd7 18. Rad1 Rad8 19. Rfe1 Bb8 20. Bf4 Ba7 21. Be3 Bb8 22. Nb3 Qd6 23. g3 Qf6 24. Bg2 Bh5 25. Bd4 Qd6 26. Bc5 Qc6 27. Bxe7 Bxd1 28. Qxd1 1-0

[Event "BRA-ch U18 1st"]
[Site "Paranavai"]
[Date "1987.12.??"]
[Round "6"]
[White "Silveira Leite II, Omar"]
[Black "Cohen, Jaime"]
[Result "1/2-1/2"]
[ECO "C84"]
[PlyCount "13"]
[EventDate "1987.12.04"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. e5 1/2-1/2

[Event "BRA-chT Inter-Clubes"]
[Site "Curitiba"]
[Date "1987.04.??"]
[Round "2"]
[White "Cohen, Jaime"]
[Black "Freitas, Edison G"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "43"]
[EventDate "1987.04.30"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Erbo Stenzel CX III"]
[BlackTeam "Lages"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Bd3 Be7 6. Nf3 h6 7. 0-0 Nbd7 8. Re1 0-0 9. c3 Nxe4 10. Bxe4 Nf6 11. Bc2 b6 12. Ne5 Bb7 13. Bf4 c5 14. Qd3 cxd4 15. cxd4 Qd5 16. Nf3 Rfd8 17. Be5 g6 18. Bb3 Qd7 19. Nh4 Ng4 20. Nxg6 Bd6 21. Qg3 fxg6 22. Qxg4 1-0

[Event "BRA-chT Inter-Clubes"]
[Site "Curitiba"]
[Date "1987.04.??"]
[Round "4"]
[White "Moura, Eduardo Henrique B"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "C29"]
[PlyCount "37"]
[EventDate "1987.04.30"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Belo Horizonte"]
[BlackTeam "Erbo Stenzel CX III"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. d4 Be7 7. Be2 Nxc3 8. bxc3 0-0 9. Rb1 Qc8 10. 0-0 c5 11. Ng5 Bxe2 12. Qxe2 cxd4 13. Qh5 Bxg5 14. Bxg5 Nc6 15. Bf6 h6 16. Rf4 Kh7 17. Rg4 Qxg4 18. Qxg4 gxf6 19. Qf5+ 1-0

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "4"]
[White "Chaves, Paulo"]
[Black "Cohen, Jaime"]
[Result "0-1"]
[ECO "E13"]
[PlyCount "56"]
[EventDate "1987.03.09"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 b6 5. e3 Bb7 6. Nf3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. 0-0 Nd7 13. Rad1 Qe7 14. Nd2 Nxd2 15. Qxd2 h5 16. h3 0-0-0 17. Qe2 h4 18. Bh2 g4 19. hxg4 fxg4 20. g3 Bf3 21. Qd2 Bxd1 22. Qxd1 Qg5 23. Be2 Nf6 24. f4 Qh5 25. gxh4 Qxh4 26. Rf2 g3 27. Rg2 gxh2+ 28. Rxh2 Qxh2+ 0-1

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "6"]
[White "Cohen, Jaime"]
[Black "Rodrigues, Adriano Pfuhl"]
[Result "1/2-1/2"]
[ECO "B83"]
[PlyCount "63"]
[EventDate "1987.03.09"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. Be3 a6 8. f4 Qc7 9. Qd2 Nc6 10. 0-0-0 Bd7 11. h3 Nxd4 12. Bxd4 Bc6 13. Bf3 e5 14. Be3 b5 15. g4 Rc8 16. Nd5 Bxd5 17. exd5 e4 18. Bg2 Nxd5 19. Bxe4 Nxe3 20. Qxe3 0-0 21. Rd5 b4 22. Qd3 g6 23. Qf3 a5 24. f5 Bf6 25. Qd3 Be5 26. Kb1 a4 27. Rb5 Rb8 28. Rxb8 Rxb8 29. fxg6 fxg6 30. Bd5+ Kh8 31. Rf1 Qc5 32. Qc4 1/2-1/2

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "3"]
[White "Cohen, Jaime"]
[Black "Sarcedo, Leandro"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "49"]
[EventDate "1987.03.09"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 0-0 10. g4 e5 11. Nf5 Bxf5 12. exf5 Qc6 13. Nd5 Nxd5 14. Rxd5 Bxg5 15. fxg5 Re8 16. Qd1 Rd8 17. Be2 Qc7 18. f6 Nc6 19. Qd2 Rac8 20. Bd3 g6 21. h4 b5 22. h5 Qa5 23. Qh2 Qxa2 24. hxg6 Qxd5 25. Qxh7+ 1-0

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "1"]
[White "Cohen, Jaime"]
[Black "Souza, Marco Andre"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "59"]
[EventDate "1987.03.09"]
[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. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Qe2+ Qe7 7. dxc5 Qxe2+ 8. Nxe2 Bxc5 9. Nb3 Bd6 10. Be3 a6 11. Bd3 Nb4 12. Nbc1 Nf6 13. c3 Nxd3+ 14. Nxd3 Be6 15. Ndf4 Kd7 16. Bd4 Rhe8 17. 0-0-0 Rac8 18. Rhe1 b5 19. Bxf6 gxf6 20. Nxd5 Bxd5 21. Rxd5 b4 22. Kd1 Re5 23. Rd4 bxc3 24. Nxc3 Rec5 25. Rxd6+ Kxd6 26. Ne4+ Kd7 27. Nxc5+ Rxc5 28. Re3 Rd5+ 29. Kc2 Rc5+ 30. Kd2 1-0

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "5"]
[White "Ogata, Nelson"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "A47"]
[PlyCount "125"]
[EventDate "1987.03.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. e3 Be7 4. Bd3 b6 5. Nbd2 Bb7 6. 0-0 d6 7. Re1 0-0 8. b3 c5 9. Bb2 Nc6 10. a3 Rc8 11. Rc1 Re8 12. Qe2 h6 13. c4 Bf8 14. Bb1 g6 15. Red1 Qe7 16. Ne4 Nxe4 17. Bxe4 Na5 18. Bxb7 Nxb7 19. d5 Bg7 20. Bxg7 Kxg7 21. dxe6 Qxe6 22. Rd3 a6 23. h3 b5 24. a4 bxa4 25. bxa4 Na5 26. Rd5 Rb8 27. Qd2 Nb7 28. Rb1 Qe4 29. Rb6 Kg8 30. Qc3 a5 31. Nd2 Qe7 32. Qb2 Qc7 33. Rb5 Re7 34. Nf1 Rbe8 35. Qd2 Re5 36. Rd3 R5e6 37. Rdb3 Nd8 38. Qxa5 Qxa5 39. Rxa5 Nc6 40. Rab5 Nb4 41. a5 Ra8 42. Ng3 Re7 43. Ra3 Rea7 44. Ne4 Nc6 45. Nxd6 Rxa5 46. Raxa5 Rxa5 47. Ne4 Ra4 48. Rxc5 Na5 49. Nd6 Kf8 50. Rc7 f5 51. g4 fxg4 52. hxg4 Nb3 53. Kg2 Ra6 54. Ne4 Ke8 55. c5 Kd8 56. Rb7 Na5 57. Rb6 Rxb6 58. cxb6 Nc4 59. b7 Kc7 60. Nc5 Na5 61. Kf3 Nc6 62. Ke4 Kb6 63. Kd5 1-0

[Event "BRA-ch U16 9th"]
[Site "Campo Grande"]
[Date "1987.03.??"]
[Round "2"]
[White "Watanabe, Roberto Tadashi"]
[Black "Cohen, Jaime"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "97"]
[EventDate "1987.03.09"]
[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. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. b4 Bb6 7. e5 d5 8. exf6 dxc4 9. b5 Na5 10. Qe2+ Be6 11. fxg7 Rg8 12. Nxd4 Qf6 13. h4 Bxd4 14. cxd4 0-0-0 15. Bd2 b6 16. Qe5 Qxe5+ 17. dxe5 Rxg7 18. Bg5 Rd5 19. Nc3 Rxe5+ 20. Kd2 Rg8 21. f4 Rc5 22. Rhg1 h5 23. Rad1 c6 24. Kc1 cxb5 25. Ne4 Rc6 26. Nd6+ Kb8 27. f5 Bc8 28. Bf4 Ka8 29. Rge1 Nb7 30. Nxc8 Rcxc8 31. Re7 Nc5 32. Bg5 Nd3+ 33. Kb1 f6 34. Bxf6 Rxg2 35. Rg7 Rxg7 36. Bxg7 Rc7 37. f6 b4 38. Bf8 a5 39. Be7 Ne5 40. Rd8+ Kb7 41. Bd6 Rd7 42. Rb8+ Kc6 43. Bxe5 Rf7 44. Rg8 Kd5 45. Re8 b5 46. Re7 Rf8 47. f7 Rxf7 48. Rxf7 Kxe5 49. Rb7 1-0

