[Event "Santa Rosa op 3rd"]
[Site "Santa Rosa"]
[Date "2018.07.09"]
[Round "5.15"]
[White "Herrero, Gustavo"]
[Black "Heffner, Nazareno"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1609"]
[BlackElo "1586"]
[PlyCount "77"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. Nf3 dxc4 6. Bxc4 e6 7. Bd2 Nbd7 8. h3 Bd6 9. a3 0-0 10. 0-0 h6 11. Qe2 Be7 12. e4 Bg6 13. b4 a6 14. Bf4 Bh5 15. g4 Bg6 16. Rfd1 Nh7 17. Ba2 Ng5 18. Nxg5 Bxg5 19. Bd6 Re8 20. Bg3 Qe7 21. f4 Bh4 22. Bh2 Kh8 23. Na4 f5 24. e5 fxg4 25. Qxg4 Bc2 26. Nc5 Nxc5 27. dxc5 Bxd1 28. Rxd1 g5 29. Qh5 Qg7 30. f5 exf5 31. Rd6 Kh7 32. Be6 Rxe6 33. Rxe6 Rf8 34. Kf1 f4 35. Bg1 Rd8 36. Rd6 Rf8 37. Bd4 Rf5 38. e6 Qf8 39. Rd7+ 1-0

[Event "Santa Rosa op 3rd"]
[Site "Santa Rosa"]
[Date "2018.07.08"]
[Round "4.11"]
[White "Heffner, Nazareno"]
[Black "Lescano, Tomas"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1586"]
[BlackElo "1774"]
[PlyCount "110"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Ngf6 10. Be3 Bd6 11. c4 0-0 12. a3 Rb8 13. b4 b5 14. c5 Bc7 15. Rfb1 Nd5 16. Bd2 Bf4 17. Ne4 N7f6 18. Bxf4 Nxf4 19. Qc2 Nxe4 20. Qxe4 Nd5 21. Qd3 h6 22. a4 bxa4 23. Rxa4 Qc7 24. Ne5 Rfd8 25. Qa3 Rb7 26. Ra6 Nxb4 27. Rxb4 Rxb4 28. Qxb4 Qxe5 29. Rxc6 Qxd4 30. Qxd4 Rxd4 31. Rc8+ Kh7 32. Kf1 a5 33. Ke2 a4 34. c6 a3 35. c7 Rc4 36. Kd3 Rc6 37. Ra8 Rxc7 38. Rxa3 Kg6 39. g4 Kg5 40. h3 Rc1 41. Ra5+ f5 42. Ke3 Rc3+ 43. Ke2 Rxh3 44. f3 g6 45. Ke3 h5 46. gxf5 exf5 47. Kf2 Rh2+ 48. Kg3 Rb2 49. f4+ Kh6 50. Ra6 Rb3+ 51. Kg2 h4 52. Ra8 Kh5 53. Rh8+ Kg4 54. Rh6 Kxf4 55. Rxg6 Rg3+ 0-1

[Event "Santa Rosa op 3rd"]
[Site "Santa Rosa"]
[Date "2018.07.08"]
[Round "3.17"]
[White "Olguin, Adolfo"]
[Black "Heffner, Nazareno"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1410"]
[BlackElo "1586"]
[PlyCount "33"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. Nf3 Nf6 4. c4 c6 5. Nc3 e6 6. a3 Bd6 7. Be2 dxc4 8. Bxc4 Nbd7 9. h3 0-0 10. 0-0 Rc8 11. Nh4 Re8 12. Nxf5 exf5 13. Bd3 g6 14. Re1 Ne4 15. Qf3 Ndf6 16. g4 Ng5 17. Qg2 0-1

[Event "Santa Rosa op 3rd"]
[Site "Santa Rosa"]
[Date "2018.07.07"]
[Round "2.15"]
[White "Heffner, Nazareno"]
[Black "Rossi, Juan"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "1586"]
[BlackElo "1739"]
[PlyCount "60"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. Bg5 Na5 8. Nc3 Nxb3 9. axb3 Be6 10. 0-0 h6 11. Bxf6 Qxf6 12. Nxb5 Qd8 13. Nc3 Be7 14. Qd2 0-0 15. Nd5 Bg4 16. Qe3 f5 17. Nxe7+ Qxe7 18. exf5 Qf6 19. Nd2 Bxf5 20. Ne4 Qg6 21. Ra2 d5 22. Ng3 Qd6 23. Nxf5 Rxf5 24. Rfa1 Rf6 25. c4 dxc4 26. bxc4 Rd8 27. Rd1 Rf4 28. f3 Rxc4 29. dxc4 Qxd1+ 30. Kf2 Qc2+ 1/2-1/2

[Event "Santa Rosa op 3rd"]
[Site "Santa Rosa"]
[Date "2018.07.07"]
[Round "1.10"]
[White "Saitua, Guillermo Alberto"]
[Black "Heffner, Nazareno"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2015"]
[BlackElo "1586"]
[PlyCount "75"]
[EventDate "2018.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 Bf5 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nbd7 8. b4 e6 9. Bf4 Be7 10. h3 0-0 11. e3 h6 12. Be2 Bg6 13. 0-0 Ne4 14. b5 Nxc3 15. bxc3 cxb5 16. Bxb5 Nb8 17. Ne5 Bf6 18. Nxg6 fxg6 19. Rfb1 Nc6 20. Bd6 Rf7 21. Bxc6 bxc6 22. Ra6 Rd7 23. Rb8+ Rxb8 24. Bxb8 Rb7 25. Bxa7 Rc7 26. Bb6 Rc8 27. Kf1 g5 28. Ra7 Kf8 29. Ke2 g6 30. Kd3 Ke8 31. c4 Kf8 32. cxd5 exd5 33. f3 h5 34. e4 dxe4+ 35. fxe4 Be7 36. g4 Kf7 37. d5 cxd5 38. exd5 1-0

[Event "Lizarraga Memorial op"]
[Site "Argentina"]
[Date "2017.07.10"]
[Round "5.14"]
[White "Espindola, Juan Carlos"]
[Black "Heffner, Nazareno"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1864"]
[BlackElo "1575"]
[PlyCount "74"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Bf4 Nf6 4. c3 Nbd7 5. Nbd2 e6 6. h3 Be7 7. Qc2 h6 8. g4 Nh7 9. e4 Ng5 10. Bd3 a5 11. h4 Nxf3+ 12. Nxf3 Nb6 13. Qe2 Bd6 14. Bxd6 Qxd6 15. e5 Qe7 16. Rg1 Bd7 17. Qe3 Kd8 18. Rc1 Kc7 19. a3 Na4 20. Rc2 b5 21. b3 Nb6 22. Qc1 Rab8 23. g5 hxg5 24. hxg5 g6 25. Ke2 b4 26. cxb4 Nc8 27. b5 Rb6 28. Rc5 Na7 29. a4 Rhb8 30. Qa3 Kd8 31. Rh1 cxb5 32. Rh8+ Be8 33. axb5 Nxb5 34. Qxa5 Qa7 35. Rxe8+ Kxe8 36. Bxb5+ Qd7 37. Bxd7+ Kxd7 1-0

[Event "Lizarraga Memorial op"]
[Site "Argentina"]
[Date "2017.07.09"]
[Round "4.17"]
[White "Heffner, Nazareno"]
[Black "Frede, Jeremias"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1575"]
[PlyCount "61"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d3 Bd7 5. 0-0 Nf6 6. Bg5 a6 7. Ba4 b5 8. Bb3 Bg4 9. Bd5 Be7 10. Bxc6+ Kf8 11. Bxa8 Qxa8 12. Nc3 c6 13. Bxf6 Bxf6 14. h3 Be6 15. d4 exd4 16. Nxd4 Ke7 17. Nxe6 fxe6 18. Qf3 Rf8 19. Rad1 d5 20. exd5 cxd5 21. Qe3 d4 22. Rxd4 Bxd4 23. Qxd4 g6 24. Rd1 Qc6 25. Qh4+ Ke8 26. Rd8+ Kf7 27. Qxh7+ Kf6 28. Rxf8+ Ke5 29. Qg7+ Kd6 30. Qd4+ Kc7 31. Qd8+ 1-0

[Event "Lizarraga Memorial op"]
[Site "Argentina"]
[Date "2017.07.09"]
[Round "3.10"]
[White "Rossi, Juan"]
[Black "Heffner, Nazareno"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1780"]
[BlackElo "1575"]
[PlyCount "56"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 e5 7. c3 Be7 8. d4 cxd4 9. cxd4 exd4 10. Nxd4 0-0 11. Nc3 a6 12. Nf5 Nc5 13. Bg5 Re8 14. Nxe7+ Rxe7 15. Bxf6 gxf6 16. Nd5 Rxe4 17. Rxe4 Nxe4 18. Qg4+ Ng5 19. h4 f5 20. Qxg5+ Qxg5 21. hxg5 Kg7 22. Rd1 Kg6 23. f4 Re8 24. Kf2 Kg7 25. Ne3 Re4 26. g3 Rb4 27. b3 f6 28. gxf6+ Kxf6 1-0

[Event "Lizarraga Memorial op"]
[Site "Argentina"]
[Date "2017.07.08"]
[Round "1.7"]
[White "Frank, Mario Alberto"]
[Black "Heffner, Nazareno"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2150"]
[BlackElo "1575"]
[PlyCount "93"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 a6 7. Na3 Be6 8. e4 Nbd7 9. Bd3 Rc8 10. 0-0 Be7 11. Qe2 Bg4 12. f3 Bh5 13. Nc2 0-0 14. Ne3 Nc5 15. Ned5 Ne6 16. Be3 Nxd5 17. Nxd5 Bg5 18. Rad1 Bxe3+ 19. Qxe3 Nd4 20. Rd2 Kh8 21. f4 f6 22. Qh3 Bf7 23. Ne3 Qa5 24. Rdf2 Qxa2 25. fxe5 dxe5 26. Nd5 Be6 27. Qh5 Bf7 28. Qh4 Bxd5 29. exd5 f5 30. g4 Qb3 31. Bxf5 Nxf5 32. Rxf5 Rxf5 33. gxf5 Qxc4 34. Qxc4 Rxc4 35. Rd1 Rc8 36. Kf2 Kg8 37. Ke3 Kf7 38. Ke4 Ke7 39. Kxe5 b5 40. Rg1 Re8 41. d6+ Kd7+ 42. Kd5 g6 43. fxg6 hxg6 44. Rxg6 Rf8 45. Rg7+ Kd8 46. Kc6 b4 47. Ra7 1-0

[Event "Lizarraga Memorial op"]
[Site "Argentina"]
[Date "2017.07.08"]
[Round "2.19"]
[White "Heffner, Nazareno"]
[Black "Rosales, Ezequiel"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1575"]
[PlyCount "95"]
[EventDate "2017.07.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be6 4. Bb3 Nc6 5. d3 Nd4 6. Nbd2 Nxf3+ 7. Nxf3 Bxb3 8. axb3 Qd7 9. Be3 Be7 10. 0-0 Nf6 11. h3 h6 12. Ra2 Nh5 13. Nxe5 dxe5 14. Qxh5 Qe6 15. Rfa1 a6 16. Qg4 Qxg4 17. hxg4 Bg5 18. b4 Bxe3 19. fxe3 g6 20. b5 c6 21. bxa6 bxa6 22. Rxa6 Rxa6 23. Rxa6 Ke7 24. Rxc6 Rb8 25. b3 h5 26. gxh5 gxh5 27. d4 f6 28. d5 Rd8 29. c4 Rd6 30. b4 Rxc6 31. dxc6 Kd6 32. b5 Kc7 33. c5 Kc8 34. b6 Kb8 35. c7+ Kb7 36. c6+ Kc8 37. b7+ Kxc7 38. Kf2 h4 39. Ke2 Kb8 40. Kd3 Kc7 41. Kc4 Kb8 42. Kc5 Kc7 43. Kd5 Kb8 44. Kd6 Ka7 45. Kc7 Ka6 46. b8Q Ka5 47. Qb3 Ka6 48. Qb6# 1-0

