[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.10"]
[Round "6"]
[White "Mahia, Gustavo"]
[Black "Spata, German"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2340"]
[BlackElo "2289"]
[PlyCount "88"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[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. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Rc1 h6 9. Bh4 Nxc3 10. bxc3 Ba3 11. Rc2 b6 12. Qd3 0-0 13. Be2 Bb7 14. 0-0 Rfc8 15. c4 c5 16. d5 exd5 17. Qf5 Nf8 18. cxd5 g6 19. Qf4 Bxd5 20. Qxh6 Nh7 21. Ng5 Nxg5 22. Bxg5 Rc6 23. Rd1 c4 24. Qh4 Bf8 25. Bf6 Rxf6 26. Qxf6 Rc8 27. Qd4 Be6 28. Bxc4 b5 29. Bd3 Rxc2 30. Bxc2 Qxa2 31. Be4 Bg7 32. Qd8+ Bf8 33. h4 Qa4 34. Rd4 Qa1+ 35. Kh2 Qb2 36. Qf6 Qc3 37. Bxg6 Qc7+ 38. g3 Qe7 39. Qxe7 Bxe7 40. Be4 a5 41. Bd5 b4 42. Bxe6 fxe6 43. Rd7 Kf8 44. Ra7 Bc5 1-0

[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.09"]
[Round "3"]
[White "Mahia, Gustavo"]
[Black "Aguilar Samper, Valentin"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2340"]
[BlackElo "2240"]
[PlyCount "86"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxd4 Ba4 10. Ngf3 Ne7 11. Bd3 Nbc6 12. Be3 Bb6 13. Qd2 Nxd4 14. Nxd4 Qd7 15. 0-0 Bxd4 16. Bxd4 Bb5 17. Qe2 Bxd3 18. cxd3 Nf5 19. Bf2 h5 20. Rfc1 g6 21. Rc3 0-0 22. Rac1 Rfc8 23. Qd2 Rxc3 24. Qxc3 d4 25. Qc4 a6 26. g3 Kg7 27. Kg2 Rd8 28. Kf3 Qa4 29. Qa2 a5 30. bxa5 Rd5 31. h3 Rxa5 32. g4 hxg4+ 33. hxg4 Ne7 34. Bh4 Nd5 35. Bf6+ Nxf6 36. exf6+ Kxf6 37. Qh2 Ke7 38. Qh8 Qd7 39. Rc8 g5 40. Qf8+ Kf6 41. Qh6+ Ke7 42. Qf8+ Kf6 43. Qh6+ Ke7 1/2-1/2

[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.09"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Mussanti, Diego"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2340"]
[BlackElo "2166"]
[PlyCount "76"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 d5 7. 0-0 Nf6 8. Nc3 Be7 9. Re1 0-0 10. Bf4 g6 11. Qf3 Nh5 12. Bh6 Re8 13. Rad1 Rb8 14. Na4 Bg5 15. Bxg5 Qxg5 16. e5 c5 17. b3 c4 18. Bf1 cxb3 19. axb3 Bd7 20. Nc5 Qe7 21. Nxd7 Qxd7 22. Rd4 Qc7 23. Bd3 Qc3 24. Qe3 Rec8 25. Ra4 Rc7 26. Rea1 Rbb7 27. g3 Ng7 28. g4 h5 29. h3 hxg4 30. hxg4 Rb4 31. f3 Rxa4 32. Rxa4 Rb7 33. Kf2 Ne8 34. Ke2 Nc7 35. f4 Qc6 36. Rxa7 d4 37. Qxd4 Qg2+ 38. Kd1 Nd5 1/2-1/2

[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.09"]
[Round "4"]
[White "Pereyra, Horacio"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2135"]
[BlackElo "2340"]
[PlyCount "74"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. f3 c5 5. e4 cxd4 6. Qxd4 e5 7. Qa4 d4 8. Nd5 Be7 9. Nxe7 Qxe7 10. Bd2 0-0 11. Nh3 Nc5 12. Qa3 Bxh3 13. gxh3 Rfc8 14. 0-0-0 Qc7 15. Bd3 a5 16. Kb1 Qd7 17. Rhg1 b5 18. b3 b4 19. Qb2 Qxh3 20. Be2 Nh5 21. Bc4 Ne6 22. Qc1 Rxc4 23. bxc4 Qxf3 24. Rde1 Rc8 25. Rgf1 Qh3 26. Qd1 Nhf4 27. Rf2 Rxc4 28. Rg1 Qh4 29. Rg3 h5 30. Qf1 Rc5 31. Qd1 Qe7 32. Rb3 Qc7 33. Qc1 Qc6 34. Bxf4 Nxf4 35. Qe1 g6 36. Rd2 Rc3 37. Rxc3 bxc3 0-1

[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.08"]
[Round "1"]
[White "Mahia, Gustavo"]
[Black "Farhat, Francisco"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2340"]
[BlackElo "1774"]
[PlyCount "71"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 Qc7 7. Qd2 e5 8. Nge2 0-0 9. d5 Na6 10. 0-0-0 Ne8 11. Kb1 c5 12. g4 Rb8 13. h4 Qe7 14. h5 Nac7 15. Ng3 Bd7 16. Qh2 g5 17. h6 Bf6 18. Qd2 Kh8 19. Nf5 Qd8 20. Bd3 a6 21. a4 Rg8 22. Kc2 Bxf5 23. exf5 Be7 24. a5 f6 25. Ra1 Rf8 26. Ne4 Na8 27. b4 b6 28. axb6 Qxb6 29. Rhb1 Qa7 30. bxc5 Rxb1 31. Rxb1 dxc5 32. Qa5 Nd6 33. Bxc5 Nb7 34. Bxa7 Nxa5 35. c5 Rc8 36. Bxa6 1-0

[Event "Buenos Aires Ciudad de Nueve op 4th"]
[Site "Buenos Aires"]
[Date "2022.10.08"]
[Round "2"]
[White "Zanovello, Ferruccio"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1997"]
[BlackElo "2340"]
[PlyCount "88"]
[EventDate "2022.10.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 d6 4. g3 e5 5. d3 g6 6. Bg2 Bg7 7. c4 Nge7 8. Nc3 h6 9. Qd2 Be6 10. h3 Qd7 11. 0-0-0 0-0 12. Ne1 d5 13. Nc2 d4 14. Na4 b6 15. Ba3 Rab8 16. Kb1 f5 17. f4 exf4 18. gxf4 Kh7 19. h4 h5 20. Ne1 Qd6 21. Nf3 Bd7 22. Ng5+ Kh8 23. Rdf1 Ng8 24. Bd5 Nh6 25. Nb2 Ne7 26. Bf3 Neg8 27. Nd1 Bc6 28. Bxc6 Qxc6 29. e4 fxe4 30. Nxe4 Ng4 31. Rhg1 N8h6 32. Ndf2 Ne3 33. Re1 Rxf4 34. Bb2 Rbf8 35. Nh3 Rxe4 36. dxe4 Qxe4+ 37. Kc1 Qxh4 38. Rxg6 Qxh3 39. Rxe3 Qxe3 40. Qxe3 dxe3 41. Rxh6+ Kg8 42. Rg6 Rf1+ 43. Kc2 e2 44. Bc3 e1Q 0-1

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.03.01"]
[Round "9"]
[White "Herrera, Martin"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2122"]
[BlackElo "2327"]
[PlyCount "90"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 0-0 5. e4 d6 6. h3 e5 7. d5 Nh5 8. g3 f5 9. exf5 gxf5 10. Ng5 Nf6 11. g4 Na6 12. a3 Qe7 13. gxf5 Bxf5 14. Rg1 Kh8 15. Be3 Nc5 16. b4 Ncd7 17. Qf3 Bg6 18. Qe2 a5 19. b5 e4 20. Ne6 Ne5 21. 0-0-0 Rf7 22. Rxg6 hxg6 23. Bg5 Nd3+ 24. Rxd3 exd3 25. Qxd3 Qe8 26. Qxg6 Nh7 27. Bd2 Re7 28. Nf4 Re1+ 29. Kc2 Rxf1 30. Qg2 Ra1 31. Ne4 Ra2+ 32. Kd1 Rxd2+ 33. Nxd2 Qf7 34. Ne6 Be5 35. f4 Rg8 36. Qf2 Qf5 37. Qe3 Bf6 38. Nxc7 Nf8 39. Ne8 Nd7 40. Nxd6 Qh5+ 41. Kc2 Rg2 42. Qe1 Qxh3 43. Nf7+ Kg7 44. Ne5 Nxe5 45. d6 Nd7 0-1

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.29"]
[Round "8"]
[White "Mahia, Gustavo"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2327"]
[BlackElo "2374"]
[PlyCount "126"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 0-0 7. Be2 Nbd7 8. 0-0 Ne8 9. Ne1 b6 10. Nd3 Rb8 11. b4 Rb7 12. a4 Bg5 13. a5 Bxc1 14. Qxc1 Ndf6 15. axb6 axb6 16. Qe3 Qe7 17. Rfb1 Ra7 18. Nb5 Ra6 19. Bf3 Nc7 20. Na7 Rxa1 21. Rxa1 Bb7 22. b5 Ra8 23. Qc1 Qd8 24. h4 Qb8 25. Nc6 Rxa1 26. Qxa1 Qa8 27. Qxa8+ Nxa8 28. g4 h6 29. g5 hxg5 30. hxg5 Bxc6 31. bxc6 Nh7 32. g6 Ng5 33. Bg2 Kf8 34. f4 exf4 35. Nxf4 Ke7 36. Kf2 Nc7 37. Ke3 Kf6 38. gxf7 Kxf7 39. Bh3 Kf6 40. Bg4 b5 41. Nh5+ Ke5 42. cxb5 Nxe4 43. Nxg7 Nc3 44. Kd3 N3xd5 45. Bf3 Nb6 46. Bh5 d5 47. Ne8 c4+ 48. Kc3 Nxb5+ 49. Kb4 Nd6 50. c7 Nxe8 51. Bxe8 Kd6 52. Bf7 Nc8 53. Bg8 Na7 54. Bf7 Nc6+ 55. Kc3 Ne7 56. Kd4 Nc6+ 57. Kc3 Na7 58. Kb4 Nc8 59. Bg8 Ke5 60. Bf7 Kd6 61. Bg8 Ne7 62. Bf7 Kxc7 63. Bxd5 Nxd5+ 1/2-1/2

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.28"]
[Round "7"]
[White "Perez Ponsa, Federico"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2559"]
[BlackElo "2327"]
[PlyCount "84"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. dxc5 Bg4 6. c3 e6 7. Be3 Bxf3 8. Qxf3 Nxe5 9. Bb5+ Nc6 10. c4 Nf6 11. Nc3 Be7 12. 0-0 0-0 13. Rfd1 Qa5 14. a3 dxc4 15. Bxc4 Ne5 16. Qe2 Nxc4 17. Qxc4 Rfd8 18. Rxd8+ Rxd8 19. b4 Qc7 20. Rc1 a6 21. h3 h6 22. a4 Rc8 23. Rd1 Kf8 24. b5 axb5 25. axb5 Ke8 26. Ne4 Nxe4 27. Qxe4 Bxc5 28. Bxc5 Qxc5 29. Qxb7 Qc7 30. Qe4 Rd8 31. Rb1 Rb8 32. Qd4 e5 33. Qd5 Kf8 34. Qb3 Rb6 35. Rd1 Qc5 36. Qd3 g6 37. Rb1 Kg7 38. Qe2 h5 39. h4 Qd4 40. g3 Qc5 41. Kg2 Qd5+ 42. Kg1 Qc5 1/2-1/2

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.27"]
[Round "6"]
[White "Mahia, Gustavo"]
[Black "Cervetto, Esteban"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2327"]
[BlackElo "2129"]
[PlyCount "63"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 Nh5 8. Be3 Qe8 9. c5 Na6 10. cxd6 cxd6 11. Nb5 Qe7 12. Nd2 Bd7 13. Rc1 Nf4 14. a4 Rac8 15. Rxc8 Rxc8 16. Nxa7 Ra8 17. g3 Nc5 18. Bxc5 dxc5 19. Nb5 Nh5 20. Be2 Nf6 21. Kf1 Ne8 22. Kg2 Bh6 23. Nc4 Bxb5 24. axb5 Nd6 25. Nxd6 Qxd6 26. h4 Bf8 27. h5 Qb6 28. hxg6 hxg6 29. Bc4 Qf6 30. Qg4 Ra4 31. Qe2 Qg5 32. d6 1-0

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.26"]
[Round "5"]
[White "Cuberli, Emiliano"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2147"]
[BlackElo "2327"]
[PlyCount "68"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. Nf3 0-0 5. Bf4 d6 6. e3 Nbd7 7. h3 Re8 8. Be2 b6 9. 0-0 Bb7 10. Bh2 e5 11. dxe5 dxe5 12. Qc2 e4 13. Nd4 Ne5 14. Rfd1 Qe7 15. Rac1 Rad8 16. Nd5 Nxd5 17. cxd5 Rxd5 18. Qxc7 Rd7 19. Qc2 Nd3 20. Bxd3 exd3 21. Qxd3 Qg5 22. Qf1 Red8 23. Bc7 Rc8 24. Bf4 Qd5 25. Nc6 Qe6 26. Nxa7 Rxc1 27. Rxc1 Bxb2 28. Rc7 Rxc7 29. Bxc7 Qxa2 30. Bxb6 Be5 31. Qd1 Qd5 32. Qxd5 Bxd5 33. Nb5 Bc4 34. Nd4 Bxd4 1/2-1/2

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.25"]
[Round "4"]
[White "Mahia, Gustavo"]
[Black "Villanueva, Mario Nicolas"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2327"]
[BlackElo "2478"]
[PlyCount "40"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 g6 5. Bg5 Be7 6. Bd2 c5 7. 0-0 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. c4 Nf6 11. Nc3 d6 12. Bh6 Nd7 13. Re1 Bg5 14. Bxg5 Qxg5 15. Bf1 Rd8 16. Qxd6 Ne5 17. Qc7 Qf4 18. Kh1 Rd7 19. Qb8+ Rd8 20. Qc7 Rd7 1/2-1/2

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.24"]
[Round "3"]
[White "Paveto, Kevin"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2452"]
[BlackElo "2327"]
[PlyCount "129"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 c5 7. Na3 Nbc6 8. dxc5 Ng6 9. Nd4 Bxc5 10. Nxf5 exf5 11. Bf3 Ngxe5 12. Bxd5 0-0 13. Nc4 Nxc4 14. Bxc4 Qh4 15. Qd5 Bb6 16. Bd3 g6 17. Qc4 Qf6 18. Bd2 Qxb2 19. Bc3 Qa3 20. Rab1 Rac8 21. Rb3 Qd6 22. Qh4 Ne5 23. Bb2 Rfe8 24. Bb5 Re6 25. Qh6 f6 26. Rh3 Qe7 27. Bxe5 Rxe5 28. Ba4 Qg7 29. Qd2 Rd8 30. Rd3 Rxd3 31. Qxd3 Qe7 32. g3 Kg7 33. Bb3 Re2 34. Qc3 Qe4 35. a4 a5 36. Qd3 Rxf2 37. Rxf2 Qe1+ 38. Qf1 Bxf2+ 39. Kg2 Qxf1+ 40. Kxf1 Bd4 41. Kg2 Kf8 42. Kf3 b6 43. h4 h5 44. Bc4 Bc3 45. Bb3 Be1 46. Bc4 Ke7 47. Bg8 Bb4 48. Ke2 Bd6 49. Kf3 g5 50. Bh7 g4+ 51. Kf2 Ke6 52. Bg6 f4 53. gxf4 Bxf4 54. Bxh5 f5 55. Be8 Bd2 56. Ke2 Bc1 57. h5 f4 58. h6 f3+ 59. Kf2 Bxh6 60. Kg3 Ke5 61. Kxg4 f2 62. Bb5 Ke4 63. Kg3 Ke3 64. Kg2 Bg7 65. Kf1 1/2-1/2

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.23"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Axarlian, Carlos"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2327"]
[BlackElo "2092"]
[PlyCount "47"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Bg4 5. Bb5 e6 6. h3 Bxf3 7. Bxc6+ bxc6 8. Qxf3 Qb6 9. 0-0 c4+ 10. Kh1 Ne7 11. f5 exf5 12. exf5 0-0-0 13. b3 g6 14. Bb2 Rg8 15. fxg6 Nxg6 16. Qxf7 Bh6 17. Qxh7 Bxd2 18. Rad1 Qe3 19. Rf3 Qh6 20. Qxa7 Rg7 21. Qa6+ Kc7 22. Nd5+ cxd5 23. Bxg7 Qg5 24. Bf6 1-0

[Event "ARG-ch sf 95th"]
[Site "Buenos Aires"]
[Date "2020.02.22"]
[Round "1"]
[White "Fiorito, Joaquin"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1995"]
[BlackElo "2327"]
[PlyCount "122"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 e5 10. dxe5 dxe5 11. Qxd8 Rxd8 12. Nb5 Nc6 13. Nxa7 Nd4 14. Nxc8 Nxc8 15. Nf3 Rxa2 16. Bxd4 exd4 17. Bd3 Re8+ 18. Kf1 Na7 19. c5 Nc6 20. Bc4 Na5 21. Bb5 Nxb3 22. Rb1 Re7 23. Bc4 Nd2+ 24. Nxd2 Rxd2 25. g3 d3 26. Kg2 Bd4 27. Rhf1 Bxc5 28. Rbd1 Ree2 29. Bxd3 Rxf2+ 30. Rxf2 Rxf2+ 31. Kh3 Kg7 32. Be4 b6 33. Rd7 h5 34. Bd5 Kf8 35. g4 hxg4+ 36. Kxg4 Be7 37. Rb7 Rb2 38. h4 Rb5 39. Ba2 Rb4+ 40. Kf3 f5 41. Be6 Bxh4 42. Rf7+ Ke8 43. Rh7 g5 44. Kg2 Rb2+ 45. Kf3 Rf2+ 46. Ke3 Rf1 47. Kd4 Bg3 48. Kd3 Bd6 49. Rg7 g4 50. Ke2 Rf4 51. Kd3 Be5 52. Rg6 Ke7 53. Ba2 Bf6 54. Ke3 Ra4 55. Bb1 f4+ 56. Kf2 Rb4 57. Bf5 Rb2+ 58. Kf1 g3 59. Rg4 Rf2+ 60. Ke1 Bc3+ 61. Kd1 g2 0-1

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11"]
[White "Mahia, Gustavo"]
[Black "Sorin, Ariel"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2359"]
[BlackElo "2401"]
[PlyCount "82"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Nge7 8. a4 0-0 9. a5 Nd4 10. Qd1 Nxb3 11. axb6 Nxa1 12. bxc7 Qxc7 13. Bd2 Nxc2+ 14. Qxc2 d5 15. Bd3 dxe4 16. Bxe4 f5 17. Bf3 Be6 18. 0-0 Nc6 19. Ne2 Qb6 20. Bc3 Rae8 21. Ra1 Bb3 22. Qd2 Ne5 23. Bd5+ Bxd5 24. Qxd5+ Nf7 25. Nf4 a6 26. Nh5 Rd8 27. Qf3 Ng5 28. Qg3 Qg6 29. Nf4 Qh6 30. f3 Rfe8 31. h3 Re3 32. Ba5 b6 33. Nd5 f4 34. Qg4 bxa5 35. Nxe3 fxe3 36. Rxa5 e2 37. Re5 Qb6+ 38. Kh2 Qb8 39. Qg3 Re8 40. f4 Rxe5 41. fxe5 Ne4 0-1

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10"]
[White "Van Riemsdijk, Herman Claudius"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2228"]
[BlackElo "2359"]
[PlyCount "104"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 Be6 8. Ne2 Qc7 9. Qc2 Nd7 10. Be3 0-0-0 11. 0-0-0 c5 12. dxc5 Nxc5 13. Bf5 g6 14. Bxe6+ Nxe6 15. Nd4 Bf4 16. Qe4 f5 17. Bxf4 fxe4 18. Bxc7 Nxc7 19. g4 a6 20. c4 Rd6 21. Nc2 Rf6 22. Rhe1 Rf4 23. Ne3 Rd8 24. Re2 Rxd1+ 25. Kxd1 Ne6 26. Rd2 Rf3 27. Nd5 a5 28. Ke2 Kb8 29. Kf1 f5 30. gxf5 gxf5 31. Kg1 h5 32. h4 Nc5 33. Nf6 Nd3 34. Nxh5 Rh3 35. Ng3 Rxh4 36. Nxf5 Rg4+ 37. Kf1 Rf4 38. Ng3 Kc7 39. Nxe4 Nxb2 40. Rxb2 Rxe4 41. Rb5 b6 42. c5 Kc6 43. Rxb6+ Kxc5 44. Rb2 a4 45. f3 Rh4 46. Kg2 Rb4 47. Rxb4 Kxb4 48. f4 Ka3 49. f5 Kxa2 50. f6 Kb1 51. f7 a3 52. f8Q a2 1/2-1/2

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9"]
[White "Rodriguez Vila, Andres"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2480"]
[BlackElo "2359"]
[PlyCount "83"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e3 e6 5. Nb5 Na6 6. c3 Be7 7. Nf3 0-0 8. a4 Nh5 9. Be5 f6 10. Bg3 g6 11. Bd3 Bd7 12. Qb1 Nxg3 13. hxg3 Kg7 14. Qd1 h5 15. Qb1 Be8 16. 0-0 Nc7 17. Nxc7 Qxc7 18. e4 dxe4 19. Bxe4 Bf7 20. Re1 Rad8 21. a5 g5 22. dxc5 g4 23. Nd4 Bxc5 24. Ra4 Rh8 25. Rc4 e5 26. Nf5+ Kf8 27. Ra4 Rd2 28. Rf1 Bb3 29. Ra1 h4 30. gxh4 g3 31. Nxg3 Rxh4 32. Qe1 Qd8 33. Bf3 Rd3 34. Qe2 Qd7 35. Ne4 Be7 36. g3 Qh3 37. Rfd1 Rxd1+ 38. Rxd1 Bxd1 39. Qxd1 Rh7 40. Qd5 Qc8 41. Nd6 Qc6 42. Qd3 1-0

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8"]
[White "Mahia, Gustavo"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2359"]
[BlackElo "2446"]
[PlyCount "34"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 e5 7. Nf5 h5 8. g5 Nxe4 9. Nxg7+ Bxg7 10. Nxe4 d5 11. Nf6+ Bxf6 12. gxf6 Nc6 13. Bg5 Nd4 14. c3 Bg4 15. Qa4+ Bd7 16. Qd1 Bg4 17. Qa4+ Bd7 1/2-1/2

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7"]
[White "Romero Barreto, Jaime Jose"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2362"]
[BlackElo "2359"]
[PlyCount "67"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. Qc2 h5 10. 0-0 h4 11. h3 Nd7 12. Be3 Nf8 13. Nf4 Bc7 14. Qd2 Qd6 15. c4 Ne6 16. c5 Qd8 17. Bc4 Nxf4 18. Bxf4 Be6 19. Bxe6 Rxe6 20. Rac1 Bxf4 21. Qxf4 Qd5 22. Qc7 Rae8 23. Qxb7 Re2 24. b4 Rb2 25. Rb1 Rxb1 26. Rxb1 Qxa2 27. Rf1 Re6 28. b5 Qd5 29. Qc8+ Kh7 30. b6 axb6 31. cxb6 f5 32. b7 Rg6 33. f3 Qxd4+ 34. Kh1 1-0

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6"]
[White "Mahia, Gustavo"]
[Black "Coro, Lucas"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2359"]
[BlackElo "2344"]
[PlyCount "100"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Qe2 0-0 7. Rd1 Qb6 8. Na3 Rd8 9. e5 Nd5 10. d3 d6 11. exd6 exd6 12. Bg5 Rf8 13. h3 h6 14. Bh4 Bf5 15. Ba4 Nf4 16. Qd2 Nxd3 17. Nc4 Qc7 18. Bg3 Nce5 19. Ne3 Nxf3+ 20. gxf3 Ne5 21. Bxe5 dxe5 22. Nxf5 gxf5 23. Qd7 Qxd7 24. Rxd7 b6 25. Bb3 Rad8 26. Bxf7+ Kh8 27. Rad1 Bf6 28. Bg6 Rxd7 29. Rxd7 Rd8 30. Rxa7 Rd2 31. Bxf5 Rxb2 32. Rh7+ Kg8 33. Rxh6 Kf7 34. Rh7+ Kg8 35. a4 e4 36. fxe4 Bxc3 37. Rb7 Bd4 38. Be6+ Kh8 39. Rf7 Rb4 40. Kg2 c4 41. Rc7 c3 42. f4 Bc5 43. e5 c2 44. Rc8+ Kg7 45. Rc7+ Kf8 46. Rc8+ Ke7 47. f5 c1Q 48. Rc7+ Kf8 49. Rc8+ Kg7 50. f6+ Kg6 0-1

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5"]
[White "Sunye Neto, Jaime"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2438"]
[BlackElo "2359"]
[PlyCount "62"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. b4 Re8 10. d3 a5 11. b5 Nd4 12. Nd2 a4 13. e3 Ne6 14. Nf3 Bf6 15. Qc2 Nc5 16. Ne4 Nxe4 17. dxe4 Be6 18. Rd1 Bb3 19. Rxd8 Bxc2 20. Rxa8 Rxa8 21. Ne1 Bb3 22. Bf1 Rd8 23. Be2 Be7 24. Kf1 f6 25. Bd3 Nc4 26. Ke2 Nd6 27. Bd2 Nc4 28. Bc1 Kf8 29. Nc2 Ra8 30. Bd2 Rd8 31. Bc3 Nd6 1/2-1/2

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4"]
[White "Mahia, Gustavo"]
[Black "Saldano Dayer, Horacio"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2359"]
[BlackElo "2412"]
[PlyCount "120"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 Re8 9. Bg5 h6 10. Bh4 Rb8 11. Re1 d6 12. Qd2 g5 13. Bg3 Nh5 14. a3 Ba5 15. e5 Nxg3 16. hxg3 Rxb2 17. exd6 cxd6 18. Rxe8+ Qxe8 19. Re1 Qd8 20. Re3 Bd7 21. Bf1 Qf6 22. Ne4 Bxd2 23. Nxf6+ Kg7 24. Rd3 Kxf6 25. Rxd6+ Be6 26. Rxd2 Ra2 27. f3 Rxa3 28. Rd8 Ra1 29. Kf2 a5 30. Rd6 a4 31. Rxc6 Ke5 32. c3 a3 33. Bc4 a2 34. Bxe6 Rf1+ 35. Kxf1 a1Q+ 36. Kf2 fxe6 37. g4 Kd5 38. Rc8 Qb2+ 39. Kg3 Qc1 40. Rd8+ Ke5 41. Rd4 Qe1+ 42. Kh2 Qxc3 43. Re4+ Kd5 44. Re2 Qc1 45. Re4 Qc7+ 46. Kg1 Qc2 47. Re1 e5 48. Kf1 Kd4 49. Re2 Qg6 50. Kf2 Qb6 51. Re4+ Kd3+ 52. Kf1 Qb2 53. Re1 Qd4 54. Re2 Qc5 55. Re4 Qb5 56. Kf2 Kd2 57. Kg3 Qc5 58. Kh2 Qd4 59. Kg3 Qxe4 60. fxe4 Ke3 0-1

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3"]
[White "Iermito, Sebastian"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2521"]
[BlackElo "2359"]
[PlyCount "61"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 g6 5. d4 Bg7 6. c3 a6 7. Bd3 f6 8. Qa4+ Kf8 9. Nf3 e6 10. 0-0 Ne7 11. c4 Nbc6 12. Nc3 Bd7 13. Qd1 Kf7 14. a3 Re8 15. b4 Kg8 16. Re1 Rc8 17. Qb3 Kh8 18. Bb2 dxc4 19. Bxc4 Nf5 20. Ne4 Qc7 21. Nc5 Nd8 22. Rac1 Qd6 23. Rcd1 b5 24. Bf1 Bc6 25. d5 exd5 26. Rxe8+ Bxe8 27. Rxd5 Qb6 28. Qd3 Bc6 29. Rxf5 gxf5 30. Qxf5 Ra8 31. Ng5 1-0

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Villanueva, Mario Nicolas"]
[Result "0-1"]
[ECO "C12"]
[WhiteElo "2359"]
[BlackElo "2486"]
[PlyCount "84"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 Bxc3+ 7. bxc3 gxf6 8. Nf3 b6 9. Be2 Bb7 10. Qd3 Nd7 11. a4 a5 12. c4 Qe4 13. Qxe4 Bxe4 14. c3 Rg8 15. 0-0 Ke7 16. g3 Rac8 17. Nd2 Bb7 18. Bf3 Ba6 19. Bc6 Rgd8 20. Rfd1 Nb8 21. Bg2 e5 22. dxe5 fxe5 23. Bh3 Nd7 24. c5 Nxc5 25. Bxc8 Bxc8 26. Nc4 Rxd1+ 27. Rxd1 Nxa4 28. Nxe5 Nxc3 29. Rd3 Nb5 30. Nc6+ Kf6 31. Rf3+ Kg7 32. Nd8 Nd6 33. Kf1 Bd7 34. Ke1 Kf8 35. Rc3 c5 36. Re3 a4 37. Kd1 Nf5 38. Re5 Nd4 39. Nb7 a3 40. Kc1 Bf5 41. Nd6 Nb3+ 42. Kd1 Be6 0-1

[Event "Buenos Aires Szmetan/Giardelli-B"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1"]
[White "Tempone, Marcelo"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2410"]
[BlackElo "2359"]
[PlyCount "41"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "7"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. b3 Ne4 7. Bb2 c5 8. e3 Nc6 9. c4 e6 10. Qe2 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bxd4 13. exd4 d5 14. Nd2 Nxd2 15. Qxd2 dxc4 16. bxc4 Qc7 17. Rfe1 Bd7 18. Rab1 Bc6 19. d5 exd5 20. cxd5 Rad8 21. Qc3 1-0

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.24"]
[Round "9.1"]
[White "Mahia, Gustavo"]
[Black "Benjamin, Joel"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2367"]
[BlackElo "2523"]
[PlyCount "80"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "United States"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "USA"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. dxe5 Bg4 6. Be2 e6 7. c4 Nb4 8. Qxd8+ Kxd8 9. Na3 Bxf3 10. Bxf3 N8c6 11. Bg5+ Kc8 12. Bxc6 Nxc6 13. f4 Bb4+ 14. Kf1 h6 15. Bh4 g5 16. fxg5 hxg5 17. Bxg5 Nxe5 18. Nc2 Bd6 19. b3 b6 20. Bd2 Kb7 21. Ke2 Rag8 22. Ne3 Bc5 23. g3 Rh3 24. Raf1 Rgh8 25. Rf2 Rxg3 26. h4 Rh5 27. Rg2 Rxg2+ 28. Nxg2 Be7 29. Be1 Ng6 30. Kf3 f5 31. Nf4 Nxf4 32. Kxf4 Bd6+ 33. Ke3 e5 34. b4 Kc6 35. Rg1 Be7 36. Kf3 e4+ 37. Kf4 Bxh4 38. Rg6+ Kb7 39. Bxh4 Rxh4+ 40. Kxf5 e3 0-1

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.23"]
[Round "8.8"]
[White "Burchardt, Brigitte"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2136"]
[BlackElo "2367"]
[PlyCount "82"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Germany (Women)"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ARG"]

1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. exd5 cxd5 5. d4 Nc6 6. h3 Bf5 7. Bd3 Bxd3 8. Qxd3 e6 9. Bf4 Be7 10. 0-0 0-0 11. Nd1 a6 12. Ne5 Nxe5 13. Bxe5 Nd7 14. Bg3 Rc8 15. Ne3 f5 16. Bh2 f4 17. Nd1 Bd6 18. Re1 Rf6 19. Kh1 Qc7 20. c3 f3 21. Bxd6 fxg2+ 22. Kxg2 Qxd6 23. Kh1 Rcf8 24. Re3 e5 25. Rg3 e4 26. Qd2 Rf4 27. Rc1 Nf6 28. Rg2 Nh5 29. Kg1 Qd7 30. Ne3 Rf3 31. Rf1 Nf4 32. Rh2 Nxh3+ 33. Kh1 Qe6 34. c4 dxc4 35. d5 Qg6 36. Nd1 Rd3 37. Qe2 Nf4 38. Qc2 Rh3 39. f3 Rxh2+ 40. Qxh2 exf3 41. Rxf3 Qe4 0-1

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.22"]
[Round "7.4"]
[White "Mahia, Gustavo"]
[Black "Boensch, Uwe"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2367"]
[BlackElo "2525"]
[PlyCount "76"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Germany"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. 0-0 Be7 9. Re1 d6 10. a4 Qc7 11. a5 b5 12. axb6 Qxb6 13. Be3 Qc7 14. Ra4 0-0 15. Qe2 d5 16. exd5 exd5 17. Bg5 Be6 18. Nc5 Nd4 19. Rxd4 Qxc5 20. Rh4 g6 21. Qe5 Nd7 22. Qg3 Bd6 23. Bf4 Bxf4 24. Qxf4 Rfe8 25. Ra1 Rab8 26. Na4 Qc6 27. b3 a5 28. h3 Rb4 29. Qh6 Rxh4 30. Qxh4 Ne5 31. Qf6 Nxd3 32. cxd3 Qb5 33. d4 Qxb3 34. Nc5 Qb4 35. h4 h5 36. Kh2 Bf5 37. Ra4 Qb8+ 38. g3 Qb2 0-1

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.21"]
[Round "6.6"]
[White "Ross, David"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2312"]
[BlackElo "2367"]
[PlyCount "64"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "ARG"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. cxd5 exd5 5. Bg5 Be7 6. Bxe7 Nxe7 7. Nc3 0-0 8. e3 Bg4 9. Bd3 Bf5 10. 0-0 Nd7 11. Ne2 Bxd3 12. Qxd3 Nc8 13. Qa3 Re8 14. Ng3 Qf6 15. Nh5 Qe7 16. Qxe7 Rxe7 17. h4 Nd6 18. Kh2 Nc4 19. Rab1 Rae8 20. Kh3 g6 21. Nf4 h5 22. b4 Nf6 23. a4 Ne4 24. Rbc1 Kg7 25. b5 f6 26. Rc2 a5 27. Rg1 Rh8 28. bxc6 bxc6 29. Nd3 g5 30. hxg5 fxg5 31. Nfe5 g4+ 32. Kh4 Ncd6 0-1

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.20"]
[Round "5.5"]
[White "Mahia, Gustavo"]
[Black "Wallner, Joachim"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2367"]
[BlackElo "2271"]
[PlyCount "88"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Austria"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "AUT"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 a6 5. a4 e6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 Bb4 9. Qb3 a5 10. Be2 Nd7 11. 0-0 0-0 12. Rac1 dxc4 13. Bxc4 e5 14. Ne4 Qe7 15. Ng3 e4 16. Ne1 Nb6 17. Be2 Be6 18. Qc2 f5 19. b3 Nd5 20. Bc4 Rad8 21. Qe2 Bd6 22. Nc2 Qg5 23. f4 exf3 24. Qxf3 Bxg3 25. Qxg3 Qxg3 26. hxg3 Rde8 27. Rfe1 Bf7 28. g4 fxg4 29. e4 Nf4 30. Rcd1 h5 31. e5 Bd5 32. Ne3 g3 33. Rd2 g6 34. Rc1 Rd8 35. Nf1 h4 36. Ne3 Kh8 37. Bxd5 Nxd5 38. Re1 Nf4 39. Ng4 Ne6 40. Nf6 Nxd4 41. Re4 Nf5 42. Ree2 Kg7 43. Nd7 Rfe8 44. Nf6 Rxe5 0-1

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.19"]
[Round "4.4"]
[White "Yrjola, Jouni"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E69"]
[WhiteElo "2327"]
[BlackElo "2367"]
[PlyCount "201"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "ARG"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Nxd4 Re8 12. Nc2 Ne5 13. b3 Nfd7 14. Na4 Qa5 15. Bd2 Qc7 16. Qe2 f6 17. Rad1 Nf8 18. Bb4 Nf7 19. Qd2 f5 20. exf5 Rxe1+ 21. Rxe1 Bxf5 22. Ne3 Be6 23. Bc3 Bxc3 24. Nxc3 Qa5 25. Kh2 Rd8 26. Re2 Bc8 27. Nc2 Qh5 28. f4 Qh6 29. Re7 Ne6 30. Nd4 Nxd4 31. Qxd4 Qg7 32. Qxg7+ Kxg7 33. Rc7 h6 34. Bf3 Re8 35. Kg2 Kf8 36. Kf2 a5 37. h4 h5 38. Be4 Kg7 39. Bd3 d5 40. cxd5 cxd5 41. Nxd5 Rd8 42. Bc4 Be6 43. Ne3 Rd7 44. Rxd7 Bxd7 45. Bxf7 Kxf7 46. Nc4 Ke6 47. Nxa5 b5 48. Ke3 Kd5 49. Nb7 b4 50. Nd8 Bf5 51. Nf7 Bb1 52. Kd2 Kd4 53. Ne5 Be4 54. Nc4 Bd5 55. Ne3 Be6 56. Nc2+ Kc5 57. Ne1 Bf5 58. Nd3+ Kb5 59. Ke3 Ka5 60. Ke2 Kb5 61. Kd2 Bg4 62. Ke3 Bc8 63. Nf2 Kc5 64. Ne4+ Kd5 65. Nd2 Be6 66. Nc4 Kc5 67. Kd3 Bf5+ 68. Kd2 Kd4 69. Ne3 Be6 70. Nc2+ Kc5 71. Kc1 Bf5 72. Kb2 Be4 73. a3 bxa3+ 74. Nxa3 Kd4 75. Nc4 Kd3 76. Nd6 Bd5 77. b4 Ke3 78. b5 Kf3 79. f5 gxf5 80. Nxf5 Ba8 81. Kc3 Kg4 82. Ne7 Kxg3 83. Ng6 Kg4 84. Kd4 Kf5 85. Ne5 Ke6 86. Nc4 Bg2 87. Ne3 Bf3 88. Kc5 Be2 89. Nc4 Kd7 90. Ne5+ Kc7 91. b6+ Kb7 92. Nf7 Bf3 93. Nd6+ Ka6 94. Nc4 Be2 95. Ne3 Bf3 96. Nc2 Be4 97. Nd4 Bg2 98. Nb5 Kb7 99. Nd6+ Ka6 100. Ne8 Kb7 101. Nf6 1/2-1/2

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.18"]
[Round "3.9"]
[White "Mahia, Gustavo"]
[Black "Lagerborg, Krister"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2367"]
[BlackElo "2102"]
[PlyCount "73"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "SWE"]

1. d4 Nf6 2. Bg5 c6 3. Nd2 d6 4. e4 Nbd7 5. Ngf3 h6 6. Bh4 g5 7. Bg3 Nh5 8. Bc4 Bg7 9. c3 b5 10. Be2 Nxg3 11. hxg3 Nf6 12. a4 Qb6 13. e5 dxe5 14. Nxe5 Be6 15. Bf3 Nd5 16. Qe2 Rd8 17. Ng6 Rg8 18. Ne5 bxa4 19. Ndc4 Qb5 20. 0-0 Bf6 21. Qc2 c5 22. Rxa4 Bxe5 23. Nxe5 cxd4 24. c4 d3 25. Nxd3 Rc8 26. Ne5 Qb8 27. Re1 Nb6 28. Ra6 g4 29. Qh7 Rf8 30. Bxg4 Bxg4 31. Nxg4 Rc6 32. Qf5 Qc8 33. Qb5 Kd8 34. Rxa7 f5 35. Ne5 Re6 36. Rd1+ Rd6 37. Qxb6+ 1-0

[Event "WchT Seniors 50"]
[Site "Rhodes"]
[Date "2019.04.17"]
[Round "2.2"]
[White "Olafsson, Helgi"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2506"]
[BlackElo "2367"]
[PlyCount "77"]
[EventDate "2019.04.16"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Argentina"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "ARG"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Na6 8. Bg5 h6 9. Be3 Nc5 10. Nd2 a5 11. g4 c6 12. Rg1 Ne8 13. Qc2 Kh7 14. 0-0-0 cxd5 15. cxd5 Bd7 16. Bb5 Nc7 17. Bxd7 Qxd7 18. Nc4 Ra6 19. Bxc5 dxc5 20. Na4 Qb5 21. Na3 Qb4 22. Nxc5 Raa8 23. Rg3 b6 24. Nd7 Rfd8 25. Rb3 Rxd7 26. Rxb4 axb4 27. Qc6 Rad8 28. Nc4 Ne8 29. d6 b5 30. Qxb5 Nxd6 31. Rxd6 Rxd6 32. Nxd6 Rxd6 33. Qxb4 Rd4 34. Qb7 Kg8 35. Kc2 Bf6 36. a4 Bh4 37. a5 Bxf2 38. Qb8+ Kh7 39. Qxe5 1-0

[Event "Buenos Aires La Porta Cup-A"]
[Site "Buenos Aires"]
[Date "2017.03.26"]
[Round "4"]
[White "Hernandez Guerrero, Gilberto Eduardo"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2499"]
[BlackElo "2365"]
[PlyCount "71"]
[EventDate "2017.03.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 Qc7 8. g4 Nc6 9. Qd2 b5 10. 0-0-0 Bb7 11. Kb1 Nxd4 12. Bxd4 Bc6 13. g5 Nd7 14. Bd3 Ne5 15. Rhf1 h6 16. h4 hxg5 17. hxg5 Rh3 18. Qg2 Rh8 19. f4 Nxd3 20. cxd3 b4 21. Ne2 Rc8 22. Rc1 Qb7 23. Qg3 a5 24. Bg1 Bd7 25. Rxc8+ Qxc8 26. g6 f6 27. Rc1 Qa6 28. Nd4 Be7 29. f5 e5 30. Ne6 Bxe6 31. fxe6 Bd8 32. d4 exd4 33. Bxd4 Ke7 34. Qf3 Qb7 35. Qf5 Rh4 36. Bxf6+ 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.26"]
[Round "10"]
[White "Mahia, Gustavo"]
[Black "Albuquerque, Wellington S Jr"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2360"]
[BlackElo "2164"]
[PlyCount "55"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. g3 Bg4 7. f3 Bd7 8. Bg2 0-0 9. 0-0 Nc6 10. Nde2 Re8 11. h3 Rb8 12. g4 Bc8 13. Ng3 Ne5 14. f4 Nc4 15. b3 Nb6 16. a4 a5 17. Bb2 Nfd7 18. g5 Nc5 19. Nh5 Bf8 20. Qd4 Ne6 21. Qd2 Bd7 22. Nd5 Nxd5 23. exd5 Nc5 24. Qd4 Qe7 25. Nxg7 Qe3+ 26. Qxe3 Rxe3 27. Nh5 f5 28. Bd4 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.25"]
[Round "8"]
[White "Mahia, Gustavo"]
[Black "Delgado Ramirez, Neuris"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2360"]
[BlackElo "2615"]
[PlyCount "71"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 0-0 10. 0-0-0 a5 11. a4 Nc6 12. g4 Nb4 13. Qf2 Qc8 14. g5 Ne8 15. Kb1 Nc7 16. Bb6 d5 17. Bxc7 Qxc7 18. Nxd5 Bxd5 19. exd5 Rad8 20. h4 Nxd5 21. Bb5 Nf4 22. Rxd8 Rxd8 23. Qa7 Rc8 24. c3 b6 25. Qxc7 Rxc7 26. Nd2 f6 27. gxf6 gxf6 28. Ne4 Kf7 29. Rg1 h6 30. Ng3 Bc5 31. Rd1 Bf2 32. Ne4 Bxh4 33. Rh1 Ng6 34. Nd6+ Ke6 35. Nc4 Bf2 36. Rxh6 1/2-1/2

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.25"]
[Round "9"]
[White "Supi, Luis Paulo"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2513"]
[BlackElo "2360"]
[PlyCount "77"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. Rb1 exd4 10. Nxd4 Nc5 11. h3 Re8 12. Re1 a5 13. b3 Nfd7 14. Be3 Ne5 15. Re2 Qf6 16. f4 Ned3 17. Rd2 Qxd4 18. Bxd4 Bxd4+ 19. Kh2 Bxc3 20. Rxd3 Nxd3 21. Qxd3 Bb4 22. h4 Bg4 23. Bh3 Bxh3 24. Kxh3 Re7 25. Kg2 Rae8 26. Kf3 f5 27. exf5 Bc5 28. Kg4 Re3 29. Qd1 gxf5+ 30. Kh3 Re2 31. Rc1 Rxa2 32. Rc2 Rxc2 33. Qxc2 Re4 34. Qd1 Re3 35. Qb1 Re4 36. Qa1 Re3 37. Qf6 Rxb3 38. h5 Bf2 39. Kg2 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.24"]
[Round "7"]
[White "Costa, Flavio Luis Cesar"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1958"]
[BlackElo "2360"]
[PlyCount "70"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 Be7 10. a3 Bf6 11. 0-0 0-0 12. Qc2 g6 13. Bh6 Re8 14. Rad1 Nxc3 15. bxc3 Qd6 16. h4 Qxa3 17. h5 Bg7 18. hxg6 hxg6 19. Bxg6 Bxh6 20. Bxf7+ Kxf7 21. Qh7+ Bg7 22. Rd3 Qf8 23. d5 Qh8 24. dxe6+ Bxe6 25. Ng5+ Ke7 26. Qe4 Qh6 27. f4 Kf8 28. Rd6 Nd8 29. Rfd1 Bf6 30. Nh7+ Kg7 31. R1d3 Qxh7 32. Rg3+ Kh8 33. Rh3 Bxh3 34. Qxe8+ Kg7 35. gxh3 Qg6+ 0-1

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.23"]
[Round "5"]
[White "Escofet Fernandez, Jaime"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2011"]
[BlackElo "2360"]
[PlyCount "57"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 c5 5. c3 b6 6. Nbd2 Bb7 7. Be2 d6 8. h3 0-0 9. 0-0 Nbd7 10. a4 a6 11. Qc2 Rc8 12. Rfd1 Qc7 13. Qb3 Qc6 14. Bf1 d5 15. Ne5 Nxe5 16. Bxe5 Nd7 17. Bxg7 Kxg7 18. f4 f6 19. Nf3 e5 20. fxe5 fxe5 21. c4 dxc4 22. d5 cxb3 23. dxc6 Bxc6 24. Bxa6 Ra8 25. Bb5 Bxb5 26. axb5 Rxa1 27. Rxa1 Kf6 28. Kf2 c4 29. Rc1 0-1

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.23"]
[Round "6"]
[White "Mahia, Gustavo"]
[Black "Alboredo, Julia"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2360"]
[BlackElo "2102"]
[PlyCount "57"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 c5 4. Bxf6 gxf6 5. c4 dxc4 6. Bxc4 e6 7. Nf3 Be7 8. Nc3 0-0 9. d5 f5 10. Ne5 Bf6 11. Nf3 Qa5 12. 0-0 Bxc3 13. bxc3 Qxc3 14. Rc1 Qf6 15. dxe6 fxe6 16. Qd6 Rd8 17. Qxc5 b6 18. Qe5 Qxe5 19. Nxe5 Kg7 20. f4 Na6 21. Bxa6 Bxa6 22. Rc7+ Kg8 23. Rf3 Rd1+ 24. Kf2 Rf1+ 25. Kg3 Rxf3+ 26. gxf3 Bf1 27. Kh4 a5 28. Kg5 Rf8 29. h4 1-0

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.22"]
[Round "4"]
[White "Mahia, Gustavo"]
[Black "Granda Zuniga, Julio E"]
[Result "0-1"]
[ECO "C97"]
[WhiteElo "2360"]
[BlackElo "2644"]
[PlyCount "117"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[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. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Re8 13. Nf1 Bf8 14. Bg5 Nd7 15. b3 Nb6 16. d5 Bd7 17. Bd2 c4 18. Ne3 Nb7 19. Nh4 Qd8 20. Nhf5 g6 21. Ng3 Bg7 22. bxc4 bxc4 23. Qe2 Nc5 24. Reb1 Rb8 25. Rb4 Qc7 26. Ngf1 Rec8 27. Rab1 Bb5 28. Qd1 Nd3 29. Bxd3 cxd3 30. c4 Be8 31. Be1 Na4 32. Qxd3 Nc5 33. Qc2 Ba4 34. Qc3 Nxe4 35. Qa3 Bd7 36. Rxb8 Rxb8 37. Rxb8+ Qxb8 38. Qxa6 f5 39. Qa5 Bf6 40. Qb4 Qa8 41. Nd2 Nc5 42. Nb3 f4 43. Nf1 Nb7 44. Nfd2 Be7 45. Ne4 Nd8 46. g3 Nf7 47. f3 g5 48. Bf2 h5 49. Nc3 g4 50. hxg4 hxg4 51. fxg4 Nh6 52. c5 Nxg4 53. cxd6 Bf8 54. Bb6 Qe8 55. Nd2 Qg6 56. Nce4 Bf5 57. d7 Bxd7 58. d6 Nh6 59. Nf3 0-1

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.21"]
[Round "3"]
[White "Franca, Willian Bento"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2119"]
[BlackElo "2360"]
[PlyCount "64"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 c5 10. Nd3 Ne8 11. f3 f5 12. Be3 f4 13. Bf2 g5 14. g4 h5 15. h3 Rf6 16. Kg2 Rh6 17. Rh1 Ng6 18. b4 b6 19. a4 a5 20. bxc5 bxc5 21. Rb1 Nc7 22. Nb5 Na6 23. Qb3 Bf8 24. Rbg1 Rb8 25. Kf1 Rb7 26. Qb1 Rbh7 27. Kg2 Qf6 28. Be1 Nb4 29. Bxb4 axb4 30. Qf1 Qh8 31. Bd1 hxg4 32. hxg4 Rh2+ 0-1

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.21"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Yamamoto, Eduardo Akio"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2360"]
[BlackElo "2106"]
[PlyCount "90"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 Nf6 3. Bxf6 exf6 4. e3 g6 5. Bd3 Qe7 6. Nc3 Qf7 7. Qf3 Bb4 8. Nge2 d5 9. a3 Bxc3+ 10. Nxc3 c6 11. h3 Be6 12. g4 fxg4 13. hxg4 Nd7 14. 0-0-0 0-0-0 15. Rh6 Rhe8 16. e4 Nf8 17. exd5 Bxd5 18. Nxd5 cxd5 19. Rhh1 Ne6 20. Bb5 Re7 21. Rde1 Nc7 22. Rxe7 Qxe7 23. Ba4 Rd6 24. Kb1 b5 25. Bb3 Rd7 26. Qc3 Qd6 27. Re1 Kb7 28. Qf3 Kb6 29. Qe3 Rf7 30. f4 Qd7 31. Qc3 Qc6 32. Qf3 Qd6 33. Re3 Rd7 34. f5 g5 35. Rc3 a6 36. Rc5 Rd8 37. Qc3 Rd7 38. a4 Re7 39. axb5 axb5 40. Qb4 Qd7 41. Qd2 Qe8 42. c3 Re2 43. Qd3 Re3 44. Qd2 Re2 45. Qd3 Re3 1/2-1/2

[Event "Florianopolis op 3rd"]
[Site "Florianopolis"]
[Date "2017.01.20"]
[Round "1"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2113"]
[BlackElo "2360"]
[PlyCount "96"]
[EventDate "2017.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 d5 3. Bg5 c6 4. e3 Qb6 5. Bd3 Qxb2 6. Nge2 g6 7. 0-0 Bg7 8. f3 Qb6 9. Kh1 Nf6 10. e4 e6 11. exf5 exf5 12. Qd2 0-0 13. Na4 Qc7 14. c4 Be6 15. c5 b5 16. cxb6 axb6 17. Nac3 Nbd7 18. a4 Rfc8 19. Rfc1 Qd8 20. Rab1 Qf8 21. Bc2 Bf7 22. Bb3 Ne8 23. Re1 Nd6 24. Nf4 Re8 25. Nfe2 h6 26. Bf4 g5 27. Bxd6 Qxd6 28. Ng3 Qf6 29. Nge2 f4 30. Red1 Re3 31. Na2 Rae8 32. Ng1 Nf8 33. Nb4 Ng6 34. Ba2 Nh4 35. Rbc1 R3e6 36. Rc3 Nf5 37. Nc2 Rd6 38. Rb3 c5 39. dxc5 bxc5 40. Rb7 c4 41. Qb4 Bf8 42. Qb5 Rdd8 43. Nb4 Ne3 44. Rb1 Bg6 45. Re1 Qb2 46. Re2 Qxb4 47. Qxb4 Bxb4 48. Rxb4 Rb8 0-1

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.22"]
[Round "10"]
[White "Martins, Carlos"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2259"]
[BlackElo "2362"]
[PlyCount "85"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d3 c6 7. e3 Nbd7 8. Nc3 Qc7 9. e4 dxe4 10. dxe4 e5 11. f5 b5 12. a3 a5 13. Nh4 Ba6 14. b4 c5 15. Nd5 Nxd5 16. exd5 cxb4 17. axb4 axb4 18. Rb1 Rac8 19. Rf2 Qd6 20. Bd2 Rc4 21. Qe1 Rxc2 22. Kh1 Rfc8 23. Bxb4 Qb6 24. Rxc2 Rxc2 25. fxg6 hxg6 26. Bd2 Nf6 27. Ba5 Qb8 28. Qd1 Rc4 29. Qb3 Qc8 30. Bd2 e4 31. d6 Qe6 32. Bf1 Qxd6 33. Bxc4 bxc4 34. Qb8+ Qxb8 35. Rxb8+ Kh7 36. Rb6 Bc8 37. Ng2 Ng4 38. Rc6 e3 39. Be1 Nf2+ 40. Kg1 Nh3+ 41. Kh1 Nf2+ 42. Kg1 Nh3+ 43. Kh1 1/2-1/2

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.21"]
[Round "9"]
[White "Mahia, Gustavo"]
[Black "Fajardo Freire, Joao Alfredo Castel"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2362"]
[BlackElo "1813"]
[PlyCount "127"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e3 b6 5. Ngf3 Bb7 6. Bd3 Be7 7. 0-0 d6 8. c3 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. dxc5 bxc5 12. Bb5+ Bc6 13. Bxc6+ Nxc6 14. Qa4 Rc8 15. b4 cxb4 16. cxb4 0-0 17. b5 Nb8 18. Rac1 Nf6 19. g3 Nd5 20. Qd4 Nb6 21. a4 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Nxc8 24. a5 Qc7 25. Qb4 Nd7 26. Nd4 Ne5 27. Kf1 Nd7 28. Ke2 Ne5 29. f4 Nd7 30. Qc4 Qxc4+ 31. Nxc4 Kf8 32. Nc6 Ke8 33. g4 Nc5 34. h4 Kd7 35. h5 f6 36. Kf3 d5 37. Nd2 Nb7 38. Nb3 Nbd6 39. Nc5+ Ke8 40. Nxe6 Nxb5 41. Nxg7+ Kd7 42. Nb4 Ne7 43. Ke2 Nc7 44. Kd3 Kd6 45. Kd4 Nb5+ 46. Kd3 Nc7 47. Nc2 Nc6 48. Nf5+ Kd7 49. Nxh6 Nxa5 50. Nf5 Ke6 51. Ncd4+ Kf7 52. Nd6+ Kg8 53. Kc3 Na6 54. Nc8 Nc4 55. Ne7+ Kf7 56. Nxd5 Nd6 57. Nc6 Ne4+ 58. Kd4 Nf2 59. g5 fxg5 60. fxg5 Nh3 61. Ne5+ Kg7 62. h6+ Kf8 63. g6 Ng5 64. g7+ 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.21"]
[Round "8"]
[White "Supi, Luis Paulo"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2449"]
[BlackElo "2362"]
[PlyCount "55"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 d5 5. Bd3 Bd6 6. Nge2 0-0 7. Qc2 c6 8. f3 a6 9. c5 Bc7 10. Bd2 Nbd7 11. 0-0 g6 12. e4 fxe4 13. fxe4 e5 14. exd5 cxd5 15. Qb3 exd4 16. Nxd5 Nxc5 17. Nxf6+ Kg7 18. Qc4 Nxd3 19. Nd5 Be5 20. Rxf8 Qxf8 21. Qxd3 Bf5 22. Qb3 Rd8 23. Ndf4 Qd6 24. Rf1 b5 25. Ng3 Bd7 26. Ne4 Qe7 27. Nd3 Bf5 28. Bg5 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.20"]
[Round "7"]
[White "Mahia, Gustavo"]
[Black "Cruz, William Ferreira Da"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2362"]
[BlackElo "2274"]
[PlyCount "79"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. h4 c5 10. Bd3 Nxd2 11. Kxd2 c4 12. Be2 Nd7 13. Nh3 b6 14. a4 Qe7 15. f4 h5 16. Qf3 Ba6 17. Ng5 0-0-0 18. Qe3 Nf8 19. g4 hxg4 20. Bxg4 Nd7 21. Nf3 Nf8 22. h5 gxh5 23. Bxh5 Nh7 24. f5 Rdg8 25. Rag1 exf5 26. Rxg8+ Rxg8 27. Qh6 Rg2+ 28. Ke3 Nf8 29. Qc6+ Kb8 30. Qd6+ Qxd6 31. exd6 Ne6 32. Ne5 f4+ 33. Kf3 Rg3+ 34. Ke2 Rxc3 35. Bxf7 Re3+ 36. Kf2 Bc8 37. Rh6 Ng5 38. Bxd5 Rh3 39. Nc6+ Kb7 40. Nb4+ 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.19"]
[Round "6"]
[White "Kropff, Ricardo"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "A77"]
[WhiteElo "2224"]
[BlackElo "2362"]
[PlyCount "70"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Nbd7 8. e4 Bg7 9. Be2 0-0 10. 0-0 Re8 11. a4 b6 12. Re1 a6 13. Qc2 Rb8 14. Rb1 Ne5 15. h3 Nh5 16. Bxh5 gxh5 17. Nf1 Qh4 18. Re3 Ng6 19. Rf3 Qe7 20. b4 h4 21. Re3 Bd4 22. Re2 Qf6 23. Nd1 Nf4 24. Bxf4 Qxf4 25. bxc5 dxc5 26. Rb3 b5 27. Rf3 Qe5 28. Qd2 Rb6 29. Nh2 Rg6 30. axb5 axb5 31. Qa5 Qg5 32. Ne3 b4 33. Neg4 h5 34. Qb5 Rd8 35. Ne3 Ba6 0-1

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.19"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Brandao, Renan Alves"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2362"]
[BlackElo "2109"]
[PlyCount "83"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. h3 Rb8 8. Qd2 b5 9. Nd1 b4 10. c3 bxc3 11. bxc3 Nc6 12. Ne2 Nf6 13. 0-0 0-0 14. f4 Bb7 15. Bf2 e6 16. g4 Nd7 17. Ne3 Ne7 18. Bh4 f6 19. a4 d5 20. exd5 Nxd5 21. Nxd5 Bxd5 22. Bxd5 exd5 23. Qc2 Nb6 24. a5 Nc8 25. Bf2 Qd6 26. f5 Rb7 27. Bg3 Qd7 28. Nf4 Ne7 29. fxg6 hxg6 30. Rae1 Kh7 31. Ne6 Rc8 32. Qf2 Qc6 33. Re2 Ng8 34. g5 fxg5 35. Nxg5+ Kh8 36. Re6 Qd7 37. Rxg6 Bxc3 38. Qf3 Nf6 39. Rxf6 Bxf6 40. Qxf6+ Qg7 41. Qe6 Qd4+ 42. Kh1 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.18"]
[Round "4"]
[White "Pottker, Gustavo Sartori"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2100"]
[BlackElo "2362"]
[PlyCount "128"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d3 Nc6 7. Nc3 Bd7 8. Bd2 h6 9. h3 e5 10. Rb1 Be6 11. b4 Qd7 12. Kh2 Rac8 13. b5 Nd4 14. Ng1 d5 15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Bxd5 Qxd5 18. Bb4 Nxb5 19. Bxf8 Bxf8 20. Qb3 Qxb3 21. Rxb3 Nd6 22. Rc1 c6 23. e3 f5 24. Nf3 Kf7 25. Kg2 Ke6 26. Rc5 Bg7 27. Nd2 Rc7 28. a4 Rd7 29. Nc4 Nf7 30. Na5 Nd8 31. Rc1 Rc7 32. Rbc3 Kd7 33. Kf1 b6 34. Nb3 Ne6 35. Ke2 c5 36. R3c2 Kd6 37. f4 exf4 38. gxf4 g5 39. fxg5 hxg5 40. d4 f4 41. dxc5+ bxc5 42. Rd1+ Ke7 43. Rc4 fxe3 44. Re4 Kf7 45. Rf1+ Nf4+ 46. Kxe3 Kg6 47. Rg1 Nxh3 48. Rg3 c4 49. Nc1 Bb2 50. Ne2 c3 51. Rxh3 c2 52. Rg3 c1Q+ 53. Nxc1 Bxc1+ 54. Kd3 Kf5 55. Rb4 Rd7+ 56. Ke2 Bf4 57. Rb5+ Ke4 58. Rg4 Rd2+ 59. Ke1 Ra2 60. Rgxg5 Rxa4 61. Kd1 Rc4 62. Ra5 Rc1+ 63. Ke2 Rc2+ 64. Kd1 Rc1+ 1/2-1/2

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.17"]
[Round "3"]
[White "Mahia, Gustavo"]
[Black "Souza, Gustavo Horokoski"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2362"]
[BlackElo "1905"]
[PlyCount "95"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Bd6 5. Bxd6 Qxd6 6. e3 Nf6 7. Nf3 b6 8. Rc1 Ba6 9. c5 Qc6 10. Ne5 Qb7 11. Qa4+ c6 12. Bxa6 Qxa6 13. Qxa6 Nxa6 14. cxb6 axb6 15. Nxc6 0-0 16. Ke2 Nb8 17. Ne5 Nbd7 18. Nxd7 Nxd7 19. a3 Rfb8 20. a4 Nf6 21. b3 Kf8 22. Nb5 Rc8 23. f3 Ke7 24. g4 Kd7 25. Kd2 Ne8 26. Rxc8 Rxc8 27. Rc1 Rxc1 28. Kxc1 h6 29. Kd2 Kc6 30. Kd3 Nf6 31. h3 Nd7 32. b4 f6 33. h4 Nf8 34. Nc3 Ng6 35. h5 Ne7 36. e4 Nc8 37. e5 Ne7 38. f4 fxe5 39. dxe5 g6 40. hxg6 Nxg6 41. Ne2 Ne7 42. Nd4+ Kd7 43. a5 bxa5 44. bxa5 Nc8 45. a6 Na7 46. Ke3 Ke7 47. Kf3 Kd7 48. f5 1-0

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.17"]
[Round "2"]
[White "Quevedo Naissinger, Willian"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1974"]
[BlackElo "2362"]
[PlyCount "35"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. 0-0 0-0 7. Bg5 Bg4 8. Nbd2 Nbd7 9. c3 c5 10. Qc2 h6 11. dxc5 Nxc5 12. Bh4 Rc8 13. Bf5 Bxf5 14. Qxf5 Qd7 15. Nd4 Be7 16. N2b3 Rfe8 17. Rfe1 Qd6 18. Bg3 1/2-1/2

[Event "Florianopolis op 2nd"]
[Site "Florianopolis"]
[Date "2016.01.16"]
[Round "1"]
[White "Mahia, Gustavo"]
[Black "Da Silva, Antonio Dutra"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2362"]
[BlackElo "1796"]
[PlyCount "67"]
[EventDate "2016.01.16"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Qc7 5. Re1 Ne5 6. Nc3 Nf6 7. a4 Bd6 8. h3 a6 9. Bf1 b6 10. b3 Bb7 11. Bb2 0-0 12. g3 Bc6 13. Nh2 Ng6 14. f4 Bxf4 15. gxf4 Qxf4 16. Qe2 Qg3+ 17. Qg2 Qf4 18. Re3 Nh4 19. Qg3 Qh6 20. Nf3 Nxf3+ 21. Qxf3 d5 22. exd5 exd5 23. Re2 Rac8 24. Qe3 Qh5 25. Qe5 Qh4 26. Rf2 d4 27. Ne2 Rfe8 28. Qf4 Qh5 29. Ng3 Qg6 30. Bd3 Ne4 31. Kh2 Qe6 32. Nxe4 Bxe4 33. Re1 f5 34. Bc4 1-0

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.26"]
[Round "9"]
[White "Mahia, Gustavo"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2356"]
[BlackElo "2427"]
[PlyCount "109"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be6 6. 0-0 Nd7 7. f4 Nxe5 8. fxe5 Qd7 9. Nc3 Nxc3 10. bxc3 c5 11. dxc5 Bxc5+ 12. Kh1 0-0-0 13. Rb1 Kb8 14. Qf3 Ka8 15. Qg3 h5 16. h3 h4 17. Qf3 g5 18. Bf5 Rhg8 19. Qg4 Rc8 20. Bd2 Bb6 21. Bxe6 fxe6 22. Rf6 Qh7 23. Qxe6 Qxc2 24. Rbf1 Rgd8 25. Bxg5 Qxc3 26. R6f3 Qc5 27. Bxd8 Rxd8 28. Qf6 a6 29. e6 Re8 30. Qf7 Re7 31. Qg8+ Ka7 32. Rf8 Bc7 33. Rb1 b5 34. Ra8+ Kb6 35. Qc8 Qa3 36. Qf8 Qg3 37. Kg1 Qh2+ 38. Kf2 Rxe6 39. Rxa6+ Kxa6 40. Qa8+ Kb6 41. Rxb5+ Kxb5 42. Qxd5+ Ka6 43. Qxe6+ Bb6+ 44. Ke2 Qxg2+ 45. Kd3 Qf3+ 46. Kc2 Qf2+ 47. Kb3 Qg3+ 48. Kc2 Kb5 49. a4+ Kxa4 50. Qxb6 Qg2+ 51. Kd1 Qxh3 52. Qd4+ Kb3 53. Ke2 Qg2+ 54. Qf2 Qxf2+ 55. Kxf2 1/2-1/2

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.25"]
[Round "8"]
[White "Spata, German"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2254"]
[BlackElo "2356"]
[PlyCount "90"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Nxd4 c5 8. Nde2 Qxd1+ 9. Nxd1 Be6 10. Bf4 0-0-0 11. Ne3 Ne7 12. Rd1 Rxd1+ 13. Kxd1 g5 14. Bg3 Bg7 15. f4 f5 16. e5 Nd5 17. Nxd5 Bxd5 18. fxg5 Bxg2 19. Re1 Re8 20. Kd2 Be4 21. Nc3 Bc6 22. Bf4 Kd7 23. Re3 Ke6 24. Rh3 Rh8 25. Ke3 Kf7 26. Kf2 Kg6 27. Re3 Re8 28. h4 Re6 29. Bg3 h6 30. Bf4 hxg5 31. hxg5 b5 32. a3 b4 33. axb4 cxb4 34. Ne2 Be4 35. Rh3 c5 36. c3 a5 37. Ke3 Re8 38. Ng3 Bc2 39. cxb4 cxb4 40. Rh2 b3 41. Rh1 Rxe5+ 42. Bxe5 Bxe5 43. Ne2 Bxb2 44. Rg1 Be5 45. Kd2 a4 0-1

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.24"]
[Round "7"]
[White "Mahia, Gustavo"]
[Black "Dolezal, Cristian"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2356"]
[BlackElo "2435"]
[PlyCount "148"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. Nf3 Nc6 10. Be2 Bd7 11. Qf4 Qxc2 12. dxc5 Qe4 13. Be3 Qxf4 14. Bxf4 Nge7 15. Rb1 b6 16. cxb6 axb6 17. Bc1 Bc8 18. Rxb6 Kd7 19. 0-0 Kc7 20. Rb1 Ba6 21. Bxa6 Rxa6 22. Ng5 Nd8 23. Rb3 Nec6 24. f4 Na5 25. Rb1 Nc4 26. Kf2 h6 27. Nf3 Nc6 28. Nd4 h5 29. Nb5+ Kd7 30. Nd4 Nxd4 31. cxd4 Rc8 32. Rb7+ Ke8 33. g4 hxg4 34. Kg3 Na5 35. Rb2 Rc3+ 36. Kxg4 Nb3 37. Bd2 Nxd2 38. Rxd2 Raxa3 39. Rb1 Kf8 40. Rbb2 Ra1 41. h4 Rh1 42. Rh2 Rxh2 43. Rxh2 Rd3 44. h5 gxh5+ 45. Rxh5 Rxd4 46. Rh8+ Kg7 47. Rd8 Rd1 48. Ra8 Rg1+ 49. Kf3 Rh1 50. Kg4 Rh8 51. Ra7 Rh1 52. f5 Rg1+ 53. Kh4 Kf8 54. f6 Kg8 55. Ra8+ Kh7 56. Rf8 Rg8 57. Rxf7+ Kg6 58. Re7 Kf5 59. Rh7 Kxe5 60. f7 Rf8 61. Kg5 d4 62. Kg6 d3 63. Kg7 Rd8 64. Rh2 Kd4 65. Rh8 Rd7 66. Kf6 Rxf7+ 67. Kxf7 e5 68. Rd8+ Ke3 69. Kf6 e4 70. Ke5 d2 71. Rd4 Ke2 72. Rxe4+ Kd3 73. Rd4+ Ke2 74. Rxd2+ Kxd2 1/2-1/2

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.23"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Moreda, Lucas"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2356"]
[BlackElo "2316"]
[PlyCount "75"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 g6 4. Ngf3 Bg7 5. c3 Nf6 6. e5 Nh5 7. g3 f6 8. Bg2 Nd7 9. Qe2 Qc7 10. exf6 Bxf6 11. 0-0 0-0 12. Re1 Re8 13. Ne5 Bxe5 14. dxe5 Nc5 15. Nb3 Nxb3 16. axb3 Be6 17. Ra4 Rf8 18. Bh6 Rf7 19. h3 Ng7 20. g4 Raf8 21. f4 a5 22. Kh2 Bd7 23. Rf1 e6 24. Raa1 c5 25. Rf2 Bc6 26. Raf1 Re8 27. h4 Rd7 28. Rd1 b5 29. Qe3 Bb7 30. Rfd2 b4 31. Qg3 Kh8 32. Bg5 Qb6 33. Bf6 bxc3 34. bxc3 Qxb3 35. h5 gxh5 36. gxh5 h6 37. Qg6 Qa4 38. Qxe8+ 1-0

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.23"]
[Round "6"]
[White "Valerga, Diego"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2482"]
[BlackElo "2356"]
[PlyCount "64"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. e3 Nd7 9. Nd2 Nxg3 10. hxg3 c5 11. d5 a6 12. Qc2 Qa5 13. Be2 Ne5 14. a4 Bd7 15. f4 Ng4 16. Bxg4 Bxg4 17. Kf2 0-0-0 18. Nb3 Qc7 19. a5 Rdg8 20. Nd2 h5 21. Nf3 gxf4 22. gxf4 Bxf3 23. gxf3 Bxc3 24. Qxc3 h4 25. Rag1 Qd8 26. Rg4 h3 27. Qe1 e6 28. Qg1 Rxg4 29. fxg4 Qxa5 30. dxe6 fxe6 31. Kg3 Qd2 32. Rh2 Qd3 1/2-1/2

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.22"]
[Round "3"]
[White "Mahia, Gustavo"]
[Black "Godoy, Luciano"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2356"]
[BlackElo "2125"]
[PlyCount "75"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Rb1 c4 9. Qc1 Nc6 10. Nh3 Nge7 11. Be2 b6 12. Nf4 Bb7 13. Nh5 Rg8 14. 0-0 0-0-0 15. Bg4 Kb8 16. Bh3 Bc8 17. Re1 Ka8 18. g3 Rdf8 19. Bg5 h6 20. Be3 Nf5 21. Bd2 Qa5 22. Qd1 Qxa3 23. Ra1 Qb2 24. Rb1 Qa2 25. Qc1 Qa6 26. Ra1 Qb7 27. Qb2 Kb8 28. Reb1 Bd7 29. Bc1 f6 30. exf6 g6 31. Bf4+ Kc8 32. Ng7 Nxg7 33. fxg7 Rxf4 34. gxf4 e5 35. Qa3 Bxh3 36. Qf8+ Nd8 37. Qxg8 Qd7 38. f3 1-0

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.22"]
[Round "4"]
[White "Martinez de Negri, Agustin Gonzalo"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2142"]
[BlackElo "2356"]
[PlyCount "102"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 0-0 8. 0-0 Bg4 9. h3 Bh5 10. g4 Bg6 11. Nh4 Bc7 12. Nxg6 hxg6 13. c3 Qd6 14. f4 Nd7 15. Qf3 Rfe8 16. Be3 Re7 17. Rae1 Rae8 18. Qf2 Nc5 19. Bc2 Ne4 20. Bxe4 Rxe4 21. Bd2 Qd5 22. b3 f5 23. Rxe4 Rxe4 24. Re1 fxg4 25. Rxe4 Qxe4 26. hxg4 Qb1+ 27. Kg2 Qxa2 28. b4 Qe6 29. Qf3 f6 30. Kf2 Kf7 31. Qe2 Qd5 32. Qf3 Ke6 33. Qe2+ Kd7 34. Qd3 f5 35. g5 b5 36. Qe3 Qh1 37. Qf3 Qh5 38. Ke3 Kd6 39. Qg2 a5 40. bxa5 Bxa5 41. Be1 Qd1 42. Qd2 Qb1 43. Ke2 Bc7 44. Qd3 Qa2+ 45. Bd2 Qd5 46. Kd1 Qe4 47. Qh3 Kd5 48. Qh7 Kc4 49. Qg8+ Kd3 50. Qa2 Qe2+ 51. Kc1 Qf1+ 0-1

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.21"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Gimenez Aguirre, Ismael Alejo"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2356"]
[BlackElo "2077"]
[PlyCount "114"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 0-0 8. Be2 d6 9. 0-0 Bd7 10. f3 Qb6 11. Na4 Qa5 12. Nc3 Rfc8 13. Qd2 Nxd4 14. Bxd4 Be6 15. b3 b5 16. b4 Qxb4 17. Rab1 Qa5 18. Rxb5 Qa6 19. Nd5 Nxd5 20. cxd5 Bd7 21. Rb2 Qa4 22. Bxg7 Kxg7 23. Rb4 Qc2 24. Qd4+ Kg8 25. Ba6 Rc5 26. Rfb1 f6 27. R4b2 Qa4 28. Qxa4 Bxa4 29. h4 Kf7 30. Kf2 Ra5 31. Bb7 Rb8 32. Rc1 Rc5 33. Rxc5 dxc5 34. Ke3 Bd7 35. d6 e6 36. e5 fxe5 37. Rb3 c4 38. Rb4 Bc6 39. Rxc4 Bxb7 40. Rc7+ Kf6 41. Rxh7 a5 42. g4 e4 43. f4 Bd5 44. d7 Rd8 45. a3 a4 46. Kd4 Bc6 47. Ke3 Rxd7 48. Rxd7 Bxd7 49. Kxe4 Bc6+ 50. Ke3 Bd5 51. Kf2 Bb3 52. h5 gxh5 53. gxh5 Bd1 54. h6 Kg6 55. Ke3 Kxh6 56. Ke4 Kg6 57. Ke5 Bb3 0-1

[Event "ARG-ch sf 90th"]
[Site "Buenos Aires"]
[Date "2015.08.20"]
[Round "1"]
[White "Lopez Rebert, Pablo"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1958"]
[BlackElo "2356"]
[PlyCount "53"]
[EventDate "2015.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Nf3 0-0 8. c5 h6 9. Bf4 b6 10. b4 Ne4 11. Rc1 a5 12. a3 axb4 13. axb4 bxc5 14. bxc5 Nc6 15. Bd3 Nxc3 16. Rxc3 Bf6 17. Be2 Qa5 18. Qd2 Qb4 19. Rc1 Qxd2+ 20. Kxd2 Nxd4 21. Nxd4 Bxd4 22. Bd6 Rd8 23. Bb5 e5 24. Be7 Ra2+ 25. Ke1 Bxf2+ 26. Kf1 Rd7 27. Bxd7 0-1

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.21"]
[Round "9"]
[White "Mahia, Gustavo"]
[Black "Lopez, Ricardo"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2375"]
[BlackElo "2090"]
[PlyCount "79"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 Bc5 5. Nc3 Nf6 6. Bxc4 Ng4 7. Nh3 h6 8. 0-0 Qh4 9. Qf3 Nf6 10. Qg3 Qxg3 11. hxg3 0-0 12. Re1 Nbd7 13. Be3 Bd6 14. f3 Nb6 15. Bb3 Bd7 16. a4 Rfb8 17. Nf2 Nc8 18. Nd3 Be8 19. a5 Kf8 20. Bd1 a6 21. f4 Nd7 22. Bg4 f6 23. Rf1 Ke7 24. Be6 Nf8 25. Bf5 Na7 26. Rf2 Nb5 27. Na4 Rd8 28. Nac5 Rab8 29. Raf1 c6 30. fxe5 Bxe5 31. Nxe5 fxe5 32. Bg4 Bg6 33. Nd3 Nd6 34. Bc5 h5 35. Nxe5 hxg4 36. Rxf8 Bh5 37. Rxd8 Rxd8 38. Nc4 cxd5 39. Nxd6 Rxd6 40. e5 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.20"]
[Round "8"]
[White "Fell, Sebastian"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2256"]
[BlackElo "2375"]
[PlyCount "61"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 a4 9. Ba2 Qd6 10. exd5 cxd5 11. h3 Nc6 12. 0-0 0-0 13. Re1 h6 14. Rb1 Re8 15. Rb5 Ra5 16. c4 d4 17. Qd2 Rxb5 18. cxb5 Nd8 19. Qa5 b6 20. Qxa4 Bb7 21. Nd2 Nd5 22. Ne4 Qd7 23. Bxh6 Ne6 24. Bd2 f5 25. c4 fxe4 26. cxd5 Nc5 27. d6+ Kh7 28. Qd1 g6 29. dxe4 Nxe4 30. Bb1 Nxd2 31. Qh5+ 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.19"]
[Round "7"]
[White "Mahia, Gustavo"]
[Black "Di Giannantonio, Nino"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2375"]
[BlackElo "2198"]
[PlyCount "115"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Bd6 7. d4 b6 8. 0-0 Bb7 9. Nbd2 0-0 10. Rc1 Qe7 11. Ne5 Rac8 12. Re1 Ba3 13. Qc2 Bxb2 14. Qxb2 c5 15. cxd5 Nxd5 16. Nxd7 Qxd7 17. dxc5 bxc5 18. Ne4 Qe7 19. Qa3 Nb4 20. Qxa7 Ra8 21. Qxc5 Qxc5 22. Rxc5 Nxa2 23. Ra1 Bd5 24. Nd2 Bxg2 25. Kxg2 g6 26. Kf3 Ra3 27. Rc2 Rfa8 28. Rb2 Kf8 29. Nc4 R3a6 30. Ne5 Ke7 31. Nd3 f6 32. h4 e5 33. Ke3 Ra3 34. f3 R3a6 35. b4 Nxb4 36. Rxa6 Nd5+ 37. Kf2 Rxa6 38. Rb7+ Kd6 39. Rxh7 Ra2 40. Rg7 Nc3 41. Rxg6 Nxe2 42. Rxf6+ Ke7 43. Nb4 Rd2 44. Ra6 Nd4+ 45. Ke3 Re2+ 46. Kd3 Rg2 47. Rg6 Nxf3 48. Nd5+ Kd7 49. h5 Nd4 50. h6 Rh2 51. h7 Nf5 52. Rg8 Ke6 53. Nc7+ Kd7 54. h8Q Rxh8 55. Rxh8 Kxc7 56. g4 Nd6 57. g5 Kd7 58. g6 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.18"]
[Round "6"]
[White "Gaitan, Juan Manuel"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2232"]
[BlackElo "2375"]
[PlyCount "103"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. g3 Bxf3 8. exf3 d5 9. b3 a5 10. Bb2 0-0 11. Be2 a4 12. cxd5 Qxd5 13. b4 Rd8 14. Qc3 Nc6 15. Rd1 Rd6 16. 0-0 Rad8 17. Qe3 Ne7 18. Rd3 Qb7 19. Rfd1 Nf5 20. Qc1 Nd5 21. R3d2 Nde7 22. Bb5 Qxf3 23. Qxc7 Rc8 24. Qa7 Ra8 25. Qc7 Rc8 26. Qa7 h5 27. Qxa4 h4 28. Be2 Qd5 29. Qb5 Qb7 30. Bf1 Rcd8 31. Bg2 Nd5 32. Qe2 Qd7 33. Be4 Nfe7 34. Qh5 hxg3 35. Qh7+ Kf8 36. hxg3 f5 37. Bxd5 Nxd5 38. Qh8+ Kf7 39. Qh5+ Kg8 40. Rc1 Nf6 41. Qe2 Qb7 42. Rdc2 Qd5 43. Rc8 Kh7 44. R8c7 Kg6 45. Qe5 Qb3 46. d5 exd5 47. R1c6 Qd1+ 48. Kg2 Rh8 49. Rc1 Qh5 50. Qxd6 Qh3+ 51. Kf3 Qg4+ 52. Ke3 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.17"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Sapienza, Julian"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2375"]
[BlackElo "2175"]
[PlyCount "75"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 h6 5. Bxf6 exf6 6. e4 a6 7. a4 b4 8. Nbd2 d6 9. Bd3 Be7 10. 0-0 0-0 11. a5 Nd7 12. Nc4 Ne5 13. Nfxe5 fxe5 14. c3 Rb8 15. Nb6 bxc3 16. bxc3 g6 17. Qe2 f5 18. Nxc8 Rxc8 19. Bxa6 Ra8 20. exf5 gxf5 21. Qb5 e4 22. Bb7 Ra7 23. a6 Bf6 24. Ra3 Be5 25. Qe2 Qh4 26. g3 Qh3 27. f3 Rf7 28. fxe4 Rg7 29. Qg2 Qg4 30. Rxf5 Rgxb7 31. axb7 Rxb7 32. Rf1 c4 33. Qf3 Qc8 34. Kh1 Bg7 35. Ra6 Rb3 36. Rxd6 Rxc3 37. Qf7+ Kh8 38. Re6 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.16"]
[Round "4"]
[White "Obregon, Carlos Andres"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2500"]
[BlackElo "2375"]
[PlyCount "67"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3 cxd4 9. cxd4 Ne7 10. c3 0-0 11. Ne2 b6 12. a4 Ng6 13. h4 f4 14. Qh3 h5 15. Ng1 f3 16. Bd2 fxg2 17. Qxg2 Nf4 18. Qg3 Ba6 19. Nh3 Nxh3 20. Bxh3 Qc4 21. Bxe6+ Kh8 22. Qe3 Rf4 23. f3 Nc6 24. Bxd5 Qxd5 25. Qxf4 Re8 26. Kf2 Kg8 27. Rhg1 Re7 28. Qe4 Qc4 29. Rg5 Na5 30. Rxh5 Nb3 31. Rg1 Nxd2 32. Qh7+ Kf8 33. Qh8+ Qg8 34. Rf5+ 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.15"]
[Round "3"]
[White "Mahia, Gustavo"]
[Black "Tomas Falcon, Jesus"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2375"]
[BlackElo "2112"]
[PlyCount "61"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 a6 10. a4 Re8 11. h3 Nbd7 12. Nd2 Rb8 13. Nc4 Ne5 14. Na3 Nh5 15. Kh2 f5 16. f4 b5 17. axb5 axb5 18. Naxb5 Rb6 19. fxe5 Bxe5 20. Bf4 Bxf4 21. gxf4 Ba6 22. Rxa6 Rxa6 23. Qd2 Qh4 24. Nc7 Qg3+ 25. Kg1 Ra1 26. Rxa1 Nxf4 27. e4 Nxh3+ 28. Kf1 Rf8 29. Ne6 Rb8 30. exf5 Qh2 31. Qe3 1-0

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.14"]
[Round "2"]
[White "Godoy, Carlos"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2074"]
[BlackElo "2375"]
[PlyCount "67"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Nf6 8. Ne2 h6 9. 0-0 0-0 10. Rb1 b6 11. Ng3 Bg4 12. f3 Be6 13. Bf4 Qe7 14. Qe2 Nh7 15. Rfe1 g5 16. Nf5 Qd8 17. Bg3 Bxf5 18. Bxf5 Nf6 19. Be5 Nh5 20. h4 Ng7 21. Bxg7 Kxg7 22. hxg5 hxg5 23. Qd2 Qf6 24. a4 Rh8 25. g3 Rh6 26. Kg2 Rah8 27. Rh1 Na5 28. Qe3 Qd6 29. Rxh6 Rxh6 30. Bd3 Qe6 31. Qxe6 fxe6 32. f4 gxf4 33. Rf1 e5 34. dxe5 0-1

[Event "Buenos Aires La Porta Cup"]
[Site "Buenos Aires"]
[Date "2014.12.13"]
[Round "1"]
[White "Mahia, Gustavo"]
[Black "Ortega Morales, Javier"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2375"]
[BlackElo "1884"]
[PlyCount "65"]
[EventDate "2014.12.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bf5 7. Bd2 Qc7 8. Ne2 e6 9. Ng3 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. 0-0-0 Bd6 13. Kb1 0-0-0 14. Rhe1 h6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qf3 Rhe8 18. g3 b5 19. Bf1 Nd5 20. Rc1 b4 21. Qb3 Qb6 22. Qa4 Re7 23. c3 Rc7 24. Ka1 bxc3 25. bxc3 a5 26. Rb1 Qa7 27. Rb2 Kd7 28. Reb1 Ke7 29. Qd1 Nf6 30. Bg2 Kf8 31. Qc2 a4 32. Rb6 Nd5 33. Ra6 1-0

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.16"]
[Round "9"]
[White "Mahia, Gustavo"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2375"]
[BlackElo "2426"]
[PlyCount "102"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Bg5 c6 6. Qd2 Bf5 7. Nge2 e6 8. 0-0-0 Nbd7 9. Ng3 Bg6 10. f4 Be7 11. Bd3 Bxd3 12. Qxd3 Nd5 13. Bxe7 Qxe7 14. Nxd5 cxd5 15. f5 0-0 16. Rhf1 Rac8 17. Kb1 Nf6 18. Rde1 Rc6 19. Re2 Qc7 20. Rfe1 Rc8 21. fxe6 fxe6 22. c3 Qb6 23. Ka1 a5 24. Rf1 Qd8 25. Ref2 Qe7 26. a3 Rb6 27. Qd1 Rxc3 28. Qa4 Rcb3 29. Qxa5 Ra6 30. Qc5 Qxc5 31. dxc5 Kf7 32. Nh5 e5 33. Ka2 Re6 34. g4 Kg6 35. Nxf6 Rxf6 36. Rxf6+ gxf6 37. a4 Rb4 38. Ka3 Rxg4 39. Rc1 d4 40. Kb4 d3+ 41. Kc3 Rxa4 42. Kxd3 Kf5 43. Kc3 e4 44. b4 Ke5 45. Kc4 f5 46. Rd1 f4 47. Rd5+ Ke6 48. Rd6+ Ke5 49. Rd7 f3 50. Rxb7 f2 51. Rf7 e3 0-1

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.15"]
[Round "8"]
[White "Malbran, Guillermo"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2234"]
[BlackElo "2375"]
[PlyCount "102"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Nf6 8. Bg5 0-0 9. Qf3 Qe8+ 10. Ne2 Ne4 11. Bxe4 dxe4 12. Qg3 f6 13. Bf4 Ne7 14. c4 Qf7 15. Qc3 Bg4 16. f3 exf3 17. gxf3 Bh3 18. Kf2 Rfe8 19. Rab1 b6 20. Rhe1 h5 21. Bd2 Rad8 22. Nf4 Bc8 23. d5 Nf5 24. Rxe8+ Rxe8 25. Re1 Rxe1 26. Bxe1 Qe7 27. Bd2 Qd6 28. Qb4 h4 29. Qxd6 Nxd6 30. c5 Nc4 31. Bc1 bxc5 32. Ng2 g5 33. f4 Nd6 34. fxg5 fxg5 35. Bxg5 Ne4+ 36. Ke3 Nxg5 37. Nxh4 Kf7 38. Kf4 Kf6 39. Ng2 Nh3+ 40. Kg3 Ke5 41. c4 Kd4 42. Nf4 Nxf4 43. Kxf4 Kxc4 44. h4 Kxd5 45. h5 Ke6 46. h6 Kf6 47. Ke4 Bb7+ 48. Kd3 Bd5 49. Kc3 Kg6 50. Kd3 Kxh6 51. Ke3 Kg5 0-1

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.13"]
[Round "7"]
[White "Mahia, Gustavo"]
[Black "Cuevas, Alex"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2375"]
[BlackElo "2262"]
[PlyCount "79"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 d6 4. e4 g6 5. f4 Bg7 6. Bb5+ Nfd7 7. a4 0-0 8. Nf3 Nf6 9. 0-0 Bg4 10. h3 Bxf3 11. Qxf3 Ne8 12. Bd2 Nc7 13. Bc4 Nd7 14. Rae1 Rb8 15. Qg3 a6 16. a5 b5 17. axb6 Nxb6 18. Ba2 Kh8 19. Nd1 f5 20. exf5 gxf5 21. Bc3 Rf7 22. Bxg7+ Rxg7 23. Qd3 Qg8 24. Ne3 Rf8 25. c4 Rg3 26. Qc3+ Qg7 27. Qxg7+ Rxg7 28. Bb1 Rgf7 29. b3 Rf6 30. Nxf5 e6 31. dxe6 Nxe6 32. g4 h6 33. Rd1 Rd8 34. Nxd6 Nd4 35. Nf5 Ne2+ 36. Kh2 Rxd1 37. Rxd1 Nxf4 38. Rd8+ Kh7 39. Re8 a5 40. Kg3 1-0

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.12"]
[Round "6"]
[White "Anelli, Antonio"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2124"]
[BlackElo "2375"]
[PlyCount "61"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. Nb3 exd4 11. Nxd4 Ne5 12. Be2 c5 13. Nc2 Be6 14. b3 b5 15. cxb5 axb5 16. Nxb5 d5 17. exd5 Nxd5 18. 0-0 Nxe3 19. Qxe3 Qa5 20. a4 Rfe8 21. Rad1 Bf5 22. Qd2 Qb6 23. Kh1 Rbd8 24. Qc1 Nd3 25. Bxd3 Bxd3 26. Rfe1 Bxb5 27. axb5 Qxb5 28. Qb1 Rxe1+ 29. Rxe1 Rb8 30. g3 Qd3 31. Re3 1/2-1/2

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.11"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2375"]
[BlackElo "2464"]
[PlyCount "58"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Na6 7. 0-0 e5 8. Be3 Ng4 9. Bg5 Qe8 10. Re1 exd4 11. Nd5 f6 12. Bh4 c6 13. Nxd4 cxd5 14. Bxg4 dxe4 15. Bxc8 Rxc8 16. Nb5 Qe6 17. Qxd6 Qxc4 18. Nxa7 Rcd8 19. Qb6 g5 20. Bg3 f5 21. Rac1 Qxa2 22. Qxb7 f4 23. Ra1 fxg3 24. Rxa2 gxf2+ 25. Kf1 fxe1Q+ 26. Kxe1 Nc5 27. Qb5 Nd3+ 28. Kd2 Rf2+ 29. Ke3 Bd4+ 0-1

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.10"]
[Round "4"]
[White "Valerga, Diego"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2474"]
[BlackElo "2375"]
[PlyCount "34"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. c5 Nf4 11. Bxf4 exf4 12. Rc1 a5 13. a3 axb4 14. axb4 h6 15. Nd4 Kh8 16. Re1 Bd7 17. h3 Ng8 1/2-1/2

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.09"]
[Round "3"]
[White "Liascovich, Lucas Agustin"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2471"]
[BlackElo "2375"]
[PlyCount "135"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f5 5. Bd3 Bd6 6. Qc2 Nh6 7. Nf3 0-0 8. b3 Nd7 9. Bb2 Nf6 10. 0-0-0 Ne4 11. h3 Bd7 12. g4 fxg4 13. Bxe4 gxf3 14. Bxh7+ Kh8 15. Kb1 b5 16. Rdg1 Nf5 17. Bxf5 Rxf5 18. e4 Rh5 19. e5 Bf8 20. c5 Be8 21. Bc1 Qh4 22. Be3 a5 23. Rg3 Rf5 24. Rhg1 Bf7 25. Qd1 Qh5 26. Ka1 Bg8 27. Bg5 Bh7 28. Qd2 Ra7 29. a4 b4 30. Nd1 Be7 31. h4 Rf8 32. Ne3 Be4 33. Qc1 Kg8 34. Bxe7 Rxe7 35. Qf1 Bh7 36. Qh3 Rf4 37. Rg4 Rxg4 38. Nxg4 Kf8 39. Ne3 Ke8 40. Rg5 Qf7 41. Qg4 Kd7 42. h5 Bd3 43. Kb2 Qf8 44. Kc1 Rf7 45. Qg3 Qh8 46. Kd2 Qh7 47. Rg6 Be4 48. Qg4 Re7 49. Rg5 Rf7 50. Rg6 Re7 51. Rg5 Rf7 52. Kc1 Bd3 53. Kb2 Be4 54. Nf1 Bb1 55. Rg6 Bf5 56. Qg3 Re7 57. Rg5 Bb1 58. Ne3 Rf7 59. Qg1 Be4 60. Qf1 Bd3 61. Qg1 Ke7 62. Qg3 Kd7 63. Rg4 Be2 64. Rg6 Bd3 65. Qg4 Re7 66. Rg5 Be2 67. Rg6 Bd3 68. Rg5 1/2-1/2

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.08"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2375"]
[BlackElo "2427"]
[PlyCount "41"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nf6 6. Nc3 0-0 7. Be2 d6 8. 0-0 Nbd7 9. Be3 Nc5 10. f3 Bd7 11. Qd2 a5 12. b3 Qb8 13. Rab1 Rc8 14. Rfd1 h5 15. Ndb5 Kh7 16. Kh1 Be8 17. Bg5 Ne6 18. Be3 Nc5 19. Bg5 Ne6 20. Be3 Nc5 21. Bg5 1/2-1/2

[Event "Villa Martelli op-A 21st"]
[Site "Villa Martelli"]
[Date "2014.11.07"]
[Round "1"]
[White "Mahia, Gustavo"]
[Black "Sica, Mauro"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2375"]
[BlackElo "1978"]
[PlyCount "81"]
[EventDate "2014.11.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 163 Extra"]
[Source "ChessBase"]
[SourceDate "2014.12.23"]
[SourceVersion "1"]
[SourceVersionDate "2014.12.23"]
[SourceQuality "1"]

1. e4 c5 2. b3 Nf6 3. e5 Nd5 4. Bb2 e6 5. Nf3 Be7 6. Bc4 Nc7 7. Nc3 0-0 8. Ne4 Nc6 9. h4 Ne8 10. Nfg5 g6 11. Qf3 Nd4 12. Bxd4 cxd4 13. Bd3 d5 14. exd6 Nxd6 15. Nxd6 Qxd6 16. Kf1 Qe5 17. Re1 Qa5 18. Qf4 Qc5 19. Ne4 Qf5 20. Qh6 Qe5 21. h5 Qg7 22. Qf4 g5 23. Qc7 Bd8 24. Qc4 h6 25. Nd6 Bf6 26. Rh3 Be5 27. Qc5 Bf4 28. g3 Bxd2 29. Re2 Bc3 30. f4 gxf4 31. gxf4 Kh8 32. Rg2 Qf6 33. Rf3 Qh4 34. Qe5+ f6 35. Qe4 f5 36. Qe5+ Qf6 37. Rg6 Qxe5 38. Rxh6+ Kg7 39. Rg6+ Kh7 40. fxe5 Bd2 41. Bc4 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.19"]
[Round "13"]
[White "Mahia, Gustavo"]
[Black "Manzone, Alessandro Jr"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2366"]
[BlackElo "2317"]
[PlyCount "100"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Be3 Nxd4 9. Bxd4 Bc5 10. Bxc5 Qxc5 11. Kh1 d6 12. f4 e5 13. Qf3 0-0 14. Rae1 exf4 15. Qxf4 Qe5 16. Nd5 Qxf4 17. Rxf4 Nd7 18. Ne7+ Kh8 19. Nf5 Ne5 20. Nxd6 Be6 21. Nxb7 Rfb8 22. Nc5 Rxb2 23. a4 a5 24. h3 Kg8 25. Nxe6 fxe6 26. Bb5 Rxc2 27. Rd1 Rf8 28. Rxf8+ Kxf8 29. Rd8+ Ke7 30. Ra8 Nc4 31. e5 Nxe5 32. Rxa5 h5 33. Ra8 g5 34. a5 h4 35. Kg1 g4 36. Kf1 Ra2 37. a6 Kd6 38. hxg4 Nxg4 39. Rg8 Ne3+ 40. Kg1 Nd5 41. Kh2 Nc7 42. Rd8+ Kc5 43. Bd3 Nxa6 44. Ra8 Nb4 45. Rxa2 Nxa2 46. Kh3 Kd5 47. Bh7 Ke5 48. Kxh4 Kf6 49. Bg8 Nc3 50. g4 Ne4 1/2-1/2

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.18"]
[Round "12"]
[White "Alonso, Salvador"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2508"]
[BlackElo "2366"]
[PlyCount "23"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. Nc3 Bf5 9. Re1 Nxc3 10. bxc3 Bxd3 11. Qxd3 0-0 12. Bf4 1/2-1/2

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.17"]
[Round "11"]
[White "Villanueva, Mario Nicolas"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2413"]
[BlackElo "2366"]
[PlyCount "99"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 Ne7 11. Nd4 Ng6 12. Ne4 Be7 13. Re1 c5 14. Nb5 Kd7 15. Bg5 Kc6 16. Bxe7 Nxe7 17. Nbc3 h6 18. f4 Bf5 19. Rad1 Rad8 20. Rxd8 Rxd8 21. Kf2 Rd4 22. Kf3 h5 23. h3 h4 24. Ng5 Bxc2 25. Nxf7 Bg6 26. e6 Bh5+ 27. Kf2 Rxf4+ 28. Ke3 Rd4 29. Rf1 a6 30. Rf4 Rxf4 31. Kxf4 Bg6 32. Ke5 b5 33. Nd8+ Kb6 34. Nd5+ Nxd5 35. Kxd5 c4 36. e7 a5 37. Ne6 Bf7 38. Ke4 b4 39. Ke3 a4 40. Kd2 g6 41. Ng7 Kc6 42. e8Q+ Bxe8 43. Nxe8 Kd7 44. Nf6+ Ke6 45. Ng4 Kd5 46. Ne3+ Kc5 47. Nf1 Kb5 48. Nh2 c5 49. Nf3 a3 50. bxa3 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.16"]
[Round "10"]
[White "Mahia, Gustavo"]
[Black "Lorenzini, Martin"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2366"]
[BlackElo "2488"]
[PlyCount "123"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 d5 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Nc3 cxd4 8. Nxd4 e6 9. Be3 Bc5 10. Qd2 Nxd4 11. Bxd4 Bxd4 12. Qxd4 Qb6 13. 0-0-0 Qxd4 14. Rxd4 Ke7 15. Be2 Nb8 16. Rd3 Bd7 17. Rg3 g6 18. Rd1 Bc6 19. Bd3 Nd7 20. Ne2 Rac8 21. Nd4 a6 22. Re3 Nc5 23. c3 Bd7 24. Bc2 Ba4 25. b3 Bc6 26. Kb2 h5 27. g3 Nd7 28. Bd3 Nc5 29. Bc2 Nd7 30. Re2 Rc7 31. Rde1 Rcc8 32. Rf2 Rc7 33. h3 Rcc8 34. Ref1 Rcg8 35. a4 Rc8 36. a5 Rc7 37. b4 Rhc8 38. Rc1 g5 39. h4 gxh4 40. gxh4 Rg8 41. Bd1 Rg3 42. Bxh5 Rc8 43. Bf3 Rh3 44. Rh1 Rxh1 45. Bxh1 f6 46. exf6+ Kxf6 47. Bf3 Rh8 48. h5 Ba4 49. Rg2 Nf8 50. Kc1 Be8 51. Kd2 Bxh5 52. Rh2 Kg6 53. Ke3 Rh6 54. f5+ exf5 55. Bxh5+ Rxh5 56. Rxh5 Kxh5 57. Nxf5 Kg5 58. Nd6 Ne6 59. Nxb7 Kf5 60. Nc5 Nc7 61. Kd4 Kf6 62. Nxa6 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.15"]
[Round "8"]
[White "Mahia, Gustavo"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2366"]
[BlackElo "2521"]
[PlyCount "68"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Re8 12. a4 Bf8 13. Qc2 c5 14. Ba3 Bg7 15. Rfb1 Rf8 16. Rb3 Nd7 17. Bb2 h6 18. Nb5 Ra6 19. Nd2 f5 20. exf5 Nxf5 21. Ne4 Nd4 22. Nxd4 exd4 23. Rf1 Ne5 24. h3 g5 25. Ng3 Qe8 26. Ra3 Qg6 27. Qb3 g4 28. hxg4 Nxg4 29. Bc1 h5 30. f4 Ne3 31. Bxe3 dxe3 32. Nxh5 Bh3 33. g3 Rf5 34. Qb1 Bxf1 0-1

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.15"]
[Round "9"]
[White "Mareco, Sandro"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2592"]
[BlackElo "2366"]
[PlyCount "61"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 exd5 6. Nc3 Nc6 7. Bg2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. h3 Bh5 14. Nd4 Nxd4 15. Bxd4 Bf8 16. Bf3 Bxf3 17. exf3 Nd7 18. Qb3 Qa5 19. Rfd1 b5 20. Nc3 Ne5 21. Nxd5 Rad8 22. Nc7 Re7 23. Bxe5 Rxd1+ 24. Rxd1 Rxe5 25. Rd7 Rf5 26. g4 Rf6 27. Nxb5 h5 28. Kg2 hxg4 29. hxg4 a6 30. Nc3 Qb6 31. Nd5 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.14"]
[Round "7"]
[White "Pichot, Alan"]
[Black "Mahia, Gustavo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2424"]
[BlackElo "2366"]
[PlyCount "81"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. Bf4 Be7 9. h4 a6 10. h5 b5 11. a3 Bb7 12. Qd2 Rc8 13. Ne2 Qc7 14. Qe3 Nb6 15. h6 g6 16. Bg5 Bxg5 17. Qxg5 Nd7 18. 0-0-0 Ncxe5 19. Nfd4 f6 20. Qe3 Nc5 21. Kb1 Kf7 22. f4 Nexd3 23. cxd3 Rhe8 24. Rhf1 Kg8 25. Rc1 Qd6 26. Nf3 a5 27. g4 b4 28. g5 bxa3 29. gxf6 axb2 30. Rc2 Nd7 31. f7+ Kxf7 32. Qd4 Ke7 33. Rxb2 Ba6 34. Ne5 Rb8 35. Rc1 Rxb2+ 36. Kxb2 Rc8 37. Nxg6+ hxg6 38. Rxc8 Bxc8 39. h7 e5 40. fxe5 Qb8+ 41. Ka2 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.13"]
[Round "6"]
[White "Mahia, Gustavo"]
[Black "Felgaer, Ruben Alejandro"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2366"]
[BlackElo "2549"]
[PlyCount "69"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Qb3 Qc7 6. Nc3 e6 7. Nh4 Bg6 8. Bd2 Nbd7 9. Nxg6 hxg6 10. g3 Be7 11. Bg2 Nb6 12. cxd5 exd5 13. 0-0 0-0 14. Rad1 Rfe8 15. e4 dxe4 16. Nxe4 Nbd5 17. Nc5 Rab8 18. Rfe1 Qb6 19. Qa3 a6 20. b4 Rbd8 21. Qb3 Bf8 22. Rxe8 Rxe8 23. a3 Rd8 24. Bf3 Qc7 25. Bg5 Qc8 26. Kg2 Qc7 27. h4 Re8 28. Qd3 Rd8 29. Qc2 Be7 30. Re1 Bf8 31. Qb3 Qb6 32. Qc4 Qc7 33. Qb3 Qb6 34. Qc4 Qc7 35. Qb3 1/2-1/2

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.12"]
[Round "5"]
[White "Slipak, Sergio"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2452"]
[BlackElo "2366"]
[PlyCount "62"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. 0-0 0-0 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5 11. Rc1 a4 12. bxa4 Ra6 13. Nfe5 Bxg2 14. Kxg2 Qa8 15. Nxc6 bxc6 16. a5 c5+ 17. Kg1 Rd8 18. d5 Nxd5 19. Qc2 Nb4 20. Qb3 Bxb2 21. Qxb2 Nc6 22. Rfd1 Rxd1+ 23. Rxd1 Nxa5 24. Ne5 Nc6 25. Nxc6 Rxc6 26. Qe5 Rd6 27. Rb1 Rb6 28. Rd1 Re6 29. Qxc7 Qxa2 30. e3 Rf6 31. Rf1 Qe6 1/2-1/2

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.11"]
[Round "4"]
[White "Mahia, Gustavo"]
[Black "Liascovich, Lucas Agustin"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2366"]
[BlackElo "2478"]
[PlyCount "95"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nf6 6. Qb3 Qe7+ 7. Ne2 Nbd7 8. Nbc3 Nb6 9. Bg5 Nxc4 10. Qxc4 c6 11. 0-0 Be6 12. Qd3 h6 13. Bh4 g5 14. Bg3 Bg7 15. Be5 Nh5 16. Ng3 Bxe5 17. dxe5 Nf4 18. Qe3 Qc7 19. Rad1 0-0 20. Rd4 f5 21. Rfd1 Qf7 22. Rd6 Nxg2 23. Kxg2 f4 24. Qf3 g4 25. Qd3 fxg3 26. fxg3 Rae8 27. Rf1 Qxf1+ 28. Qxf1 Rxf1 29. Kxf1 Kg7 30. Kf2 Bc8 31. Ne2 Rxe5 32. Nf4 Rc5 33. Ke3 Rc2 34. Rd2 Rxd2 35. Kxd2 Kf6 36. Ke3 Ke5 37. Ng6+ Kf6 38. Nf4 Kf5 39. Kd4 b6 40. b4 Be6 41. a3 Bf7 42. Nd3 h5 43. Nf4 Be8 44. Nd3 Ke6 45. Ne5 c5+ 46. bxc5 bxc5+ 47. Ke4 Ba4 48. Ng6 0-1

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.11"]
[Round "3"]
[White "Real de Azua, Ernesto"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2443"]
[BlackElo "2366"]
[PlyCount "57"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 d6 5. d4 Bg4 6. Be2 Bg7 7. 0-0 Nf6 8. h3 Bf5 9. d5 Na5 10. Nd2 e5 11. b3 0-0 12. Bb2 a6 13. e4 Bd7 14. Qc2 Rb8 15. Rae1 Bh6 16. Bc1 b5 17. Ndb1 Bxc1 18. Rxc1 bxc4 19. bxc4 Rb4 20. Nd2 Qb6 21. Rb1 Rb8 22. Rfc1 Kg7 23. Qd3 Qd8 24. Qc2 Ng8 25. a3 R4b6 26. Rxb6 Rxb6 27. Rb1 Qb8 28. Rxb6 Qxb6 29. Nd1 1/2-1/2

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.10"]
[Round "2"]
[White "Mahia, Gustavo"]
[Black "Obregon, Carlos Andres"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2366"]
[BlackElo "2502"]
[PlyCount "167"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Be7 7. Bg2 a6 8. 0-0 Qc7 9. Re1 0-0 10. Qe2 Rd8 11. h3 Bd7 12. a4 Nc6 13. Be3 Ne5 14. Rad1 Rac8 15. Kh2 Nc4 16. Bc1 Qa5 17. f4 Qb4 18. Rd3 Be8 19. b3 Na5 20. Bd2 Qb6 21. Be3 Qc7 22. Qf2 Nd7 23. Nd1 Nc5 24. Rd2 Nc6 25. Nxc6 Bxc6 26. Bd4 b5 27. axb5 axb5 28. Nb2 Qb7 29. Rde2 b4 30. Bxc5 dxc5 31. e5 Rd4 32. Nc4 Bxg2 33. Qxg2 Qxg2+ 34. Kxg2 Ra8 35. Rd2 Rxd2+ 36. Nxd2 Ra2 37. Rc1 f6 38. Nc4 Kf7 39. Kf3 h5 40. g4 g6 41. exf6 Bxf6 42. Ke4 Bc3 43. Ne5+ Kg7 44. gxh5 gxh5 45. Rg1+ Kh7 46. Kd3 Ra8 47. Rg5 Rd8+ 48. Kc4 Rd4+ 49. Kxc5 Rxf4 50. Rxh5+ Kg7 51. Nd3 Re4 52. Rg5+ Kf6 53. Rg4 Re2 54. Rf4+ Ke7 55. Nxb4 Bxb4+ 56. Rxb4 Rxc2+ 57. Rc4 Rd2 58. b4 Rd5+ 59. Kc6 Rd6+ 60. Kb7 Rd7+ 61. Kb6 Rd6+ 62. Ka5 Rd3 63. h4 Kd6 64. b5 e5 65. b6 Ra3+ 66. Kb5 Rb3+ 67. Rb4 Ra3 68. Kc4 Rh3 69. Kb5 Ra3 70. Rb1 e4 71. Kc4 Ra4+ 72. Rb4 Ra8 73. b7 Rb8 74. Kd4 Kc7 75. h5 e3 76. Kxe3 Re8+ 77. Kf4 Kb8 78. h6 Re6 79. Kg5 Re5+ 80. Kf6 Rh5 81. Kg6 Rd5 82. Rh4 Rd6+ 83. Kf5 Rd5+ 84. Ke6 1-0

[Event "ARG-ch 89th"]
[Site "Saenz Pena"]
[Date "2014.07.09"]
[Round "1"]
[White "Iermito, Sebastian"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2475"]
[BlackElo "2366"]
[PlyCount "110"]
[EventDate "2014.07.09"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ARG"]
[EventCategory "9"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 Bg7 8. Re1 0-0 9. Nbd2 Bd7 10. Nf1 h6 11. Ng3 Re8 12. d4 exd4 13. cxd4 b5 14. Bc2 Bg4 15. Be3 Nd7 16. Rc1 Bxf3 17. gxf3 Nb4 18. Bb3 c5 19. a3 Nc6 20. dxc5 dxc5 21. Bxc5 Nxc5 22. Rxc5 Nd4 23. Rd5 Qf6 24. Re3 Nxb3 25. Rxb3 Rac8 26. Qd2 h5 27. Rd6 Re6 28. Rxe6 Qxe6 29. Rd3 Qa2 30. Kg2 Qxb2 31. Rd8+ Rxd8 32. Qxd8+ Bf8 33. Qg5 Bg7 34. Qd8+ Kh7 35. Qc7 h4 36. Nf1 Qf6 37. f4 Qc3 38. Qd7 h3+ 39. Kg1 Qxa3 40. f5 Qf3 41. fxg6+ fxg6 42. Ne3 b4 43. Qe6 a5 44. e5 a4 45. Qc4 b3 46. Qxa4 b2 47. Qb4 Bxe5 48. Qh4+ Qh5 49. Qe4 Qg5+ 50. Kf1 Bd4 51. Qb7+ Kh6 52. Qb8 Qc5 53. Qf4+ Kg7 54. Qe4 Bxe3 55. fxe3 Qf5+ 0-1

[Event "Mar del Plata Duchamp op 45th"]
[Site "Mar del Plata"]
[Date "2014.04.17"]
[Round "7"]
[White "Mahia, Gustavo"]
[Black "Iermito, Sebastian"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2348"]
[BlackElo "2462"]
[PlyCount "58"]
[EventDate "2014.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 c5 2. b3 d6 3. Bb2 Nf6 4. Nc3 Nc6 5. f4 Nd4 6. Nf3 Bg4 7. Be2 Bxf3 8. Bxf3 e6 9. 0-0 Be7 10. e5 dxe5 11. fxe5 Nd7 12. Bxb7 Rb8 13. Be4 Nxe5 14. Qh5 Qd6 15. g3 g6 16. Qd1 f5 17. Bg2 h5 18. Ne2 h4 19. Nxd4 cxd4 20. Qe2 hxg3 21. hxg3 Bf6 22. Rae1 Kf7 23. Rf4 g5 24. Rff1 Rh7 25. c4 dxc3 26. Bxc3 Nd3 27. Bxf6 Kxf6 28. Rb1 Qxg3 29. Rf3 Nf4 0-1

[Event "Mar del Plata Duchamp op 45th"]
[Site "Mar del Plata"]
[Date "2014.04.16"]
[Round "6"]
[White "Ricardi, Pablo"]
[Black "Mahia, Gustavo"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2461"]
[BlackElo "2348"]
[PlyCount "68"]
[EventDate "2014.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Na6 10. 0-0-0 Bg4 11. h3 Bxf3 12. gxf3 c6 13. Nxf6+ Bxf6 14. Be2 b6 15. a3 Nc5 16. Kc2 Ne6 17. b4 Nd4+ 18. Bxd4 exd4 19. f4 Bh4 20. Rhf1 a5 21. Kb3 axb4 22. axb4 Ra7 23. Ra1 Rxa1 24. Rxa1 d3 25. Bf3 Bxf2 26. e5 d2 27. Kc2 Rd4 28. Ra3 Be1 29. Be2 Rxf4 30. Ra6 Re4 31. Kd3 Rh4 32. Rxb6 Rxh3+ 33. Kc2 Rc3+ 34. Kb2 Rxc4 0-1

[Event "Mar del Plata Duchamp op 45th"]
[Site "Mar del Plata"]
[Date "2014.04.15"]
[Round "5"]
[White "Mahia, Gustavo"]
[Black "Garcia Palermo, Carlos H"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2348"]
[BlackElo "2455"]
[PlyCount "173"]
[EventDate "2014.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[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. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 Nce5 15. Nxe5 Nxe5 16. f4 Ng6 17. Nf3 Bh4 18. Nxh4 Qxh4 19. f5 Ne5 20. Rf1 Qf6 21. a4 Bd7 22. Ra3 Rfb8 23. Rg3 h6 24. Qh5 Kf8 25. h4 bxa4 26. Rh3 Nc4 27. Kh1 Rxb2 28. Bd3 Nd2 29. Rd1 c4 30. Bxd2 cxd3 31. Rxd3 Rb3 32. Bg5 Rxd3 33. Bxf6 Rxd1+ 34. Qxd1 gxf6 35. Qc1 Kg7 36. Qc7 Bb5 37. Qxd6 Re8 38. Qg3+ Kh7 39. Qc3 Kg7 40. Qg3+ Kh7 41. Qc7 Kg7 42. d6 Rxe4 43. d7 Rxh4+ 44. Kg1 Bxd7 45. Qg3+ Kh7 46. Qxh4 Bxf5 47. Qxf6 Be6 48. Kf2 a3 49. Kg3 a2 50. Kh4 Kg8 51. Kh5 Kf8 52. Kxh6 Ke8 53. Qd4 Ke7 54. Kg7 a5 55. g3 Bb3 56. Qe5+ Kd7 57. Qxa5 Ke6 58. Qc3 Kf5 59. Qf3+ Ke5 60. Qe3+ Kd6 61. Qd4+ Kc6 62. Kf6 Kb5 63. Ke5 Bc4 64. Qb2+ Kc5 65. g4 Bb3 66. Qc3+ Bc4 67. g5 Kb6 68. Kd6 Kb5 69. Qb2+ Ka4 70. Kc5 Bb3 71. Kc6 Kb4 72. Kd6 Kc4 73. Ke5 Kc5 74. Qc3+ Bc4 75. Qa3+ Kc6 76. Kd4 Be6 77. Qa6+ Kd7 78. Kc5 Ke7 79. Qd6+ Ke8 80. Qe5 Kd7 81. Qg7 Ke7 82. Kc6 Bf5 83. Qf6+ Kf8 84. Kd6 Kg8 85. Ke7 Bg6 86. Qb2 Bb1 87. Kf6 1-0

[Event "Mar del Plata Duchamp op 45th"]
[Site "Mar del Plata"]
[Date "2014.04.14"]
[Round "4"]
[White "Santiago, Yago de Moura"]
[Black "Mahia, Gustavo"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2464"]
[BlackElo "2348"]
[PlyCount "127"]
[EventDate "2014.04.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 b6 6. a3 Ba5 7. Rb1 Bxc3+ 8. Nxc3 cxd4 9. exd4 Bb7 10. d5 0-0 11. Be2 exd5 12. cxd5 d6 13. Bg5 h6 14. Bh4 Nbd7 15. 0-0 Re8 16. f4 Rc8 17. Kh1 a6 18. Bf3 Rc4 19. Be2 Rc7 20. Bd3 Qa8 21. Rf3 Nxd5 22. Rg3 Nxf4 23. Qg4 Bxg2+ 24. Rxg2 Qxg2+ 25. Qxg2 Nxg2 26. Kxg2 b5 27. Rd1 Ne5 28. Bf1 Nc4 29. Bxc4 Rxc4 30. Bf2 Re6 31. Rd2 b4 32. axb4 Rxb4 33. Bd4 f5 34. Nd5 Rc4 35. Kf3 Kf7 36. Ne3 Rc1 37. Nxf5 g5 38. Ne3 Kg6 39. Bc3 h5 40. Rd5 Rh1 41. Kg2 Rc1 42. Kf2 Ra1 43. Ng2 Ra4 44. Bd4 Rb4 45. Bc3 Rb5 46. Rd3 Rf5+ 47. Kg1 d5 48. Rg3 Re4 49. Ne3 d4 50. Nxf5 dxc3 51. Nh4+ Rxh4 52. Rxc3 Rb4 53. Rc6+ Kf5 54. Rxa6 Rxb2 55. Ra5+ Kg4 56. Ra4+ Kh3 57. Ra3+ Kh4 58. h3 Rb1+ 59. Kg2 Rb2+ 60. Kg1 g4 61. hxg4 hxg4 62. Rc3 Ra2 63. Rb3 Rc2 64. Ra3 1/2-1/2

[Event "Buenos Aires Duchamp Boca op 3rd"]
[Site "Buenos Aires"]
[Date "2013.06.29"]
[Round "9"]
[White "Mahia, Gustavo"]
[Black "Real de Azua, Ernesto"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2377"]
[BlackElo "2460"]
[PlyCount "114"]
[EventDate "2013.06.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 e5 7. c3 Nge7 8. a3 0-0 9. b4 h6 10. Nbd2 Be6 11. Bb2 b5 12. d4 exd4 13. cxd4 cxd4 14. Nb3 Bc4 15. Re1 d3 16. Bxg7 Kxg7 17. Qd2 Ne5 18. Qb2 N7c6 19. Nfd4 Qf6 20. Qd2 Bxb3 21. Nxb3 g5 22. Rac1 g4 23. Rc3 a5 24. bxa5 Nxa5 25. Nxa5 Rxa5 26. Rxd3 Nxd3 27. Qxd3 Rc8 28. Qe2 h5 29. h3 Rxa3 30. hxg4 Ra1 31. gxh5 Rcc1 32. Rxc1 Rxc1+ 33. Kh2 b4 34. Qg4+ Kh8 35. e5 Qxe5 36. Qxb4 Qxh5+ 37. Bh3 Qh6 38. Kg2 Rc5 39. Qd4+ Kg8 40. Bg4 Rc1 41. Bd1 Qe6 42. Bg4 Qe1 43. Kf3 Qc3+ 44. Qxc3 Rxc3+ 45. Ke4 Rc4+ 46. Kf5 Kg7 47. Kg5 Rc2 48. f3 Rg2 49. Kf4 Kf6 50. Bd7 Re2 51. g4 Re5 52. Bc8 Rc5 53. Bd7 Rc4+ 54. Ke3 Ke5 55. Be8 Rc3+ 56. Ke2 f6 57. Bg6 Kf4 0-1

