[Event "ARG-ch sf Amateur"]
[Site "Buenos Aires"]
[Date "2019.11.02"]
[Round "3.5"]
[White "Costa, Gustavo Javier"]
[Black "Mac Kenzie, Matias"]
[Result "1/2-1/2"]
[ECO "D70"]
[PlyCount "52"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 g6 4. Nd2 Bg7 5. c4 c6 6. Ngf3 Bg4 7. Qb3 b6 8. Ne5 e6 9. 0-0 0-0 10. h3 Bf5 11. Bxf5 exf5 12. Qa4 Qd6 13. b3 Nfd7 14. f4 Re8 15. Ndf3 f6 16. Nxd7 Nxd7 17. Re1 c5 18. Bd2 a5 19. Rac1 h6 20. cxd5 Qxd5 21. Qc4 Qxc4 22. bxc4 Bf8 23. g4 fxg4 24. hxg4 g5 25. d5 Bd6 26. a4 Re4 1/2-1/2

[Event "ARG-ch sf Amateur"]
[Site "Buenos Aires"]
[Date "2019.11.02"]
[Round "2.3"]
[White "Marey, Mauro"]
[Black "Costa, Gustavo Javier"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2146"]
[PlyCount "81"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nf6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 Re8 8. Nge2 c6 9. 0-0-0 Qa5 10. Kb1 Nb6 11. Nc1 Rb8 12. Qc2 Na8 13. g4 h5 14. h3 Bd7 15. Bf4 e5 16. dxe5 dxe5 17. Bg5 Be6 18. Bxf6 Bxf6 19. gxh5 gxh5 20. Rg1+ Kh7 21. Nd5 Bh4 22. Nb3 Qa4 23. Bd3 Rg8 24. Qh2 Rxg1 25. Rxg1 Rg8 26. Rxg8 Kxg8 27. Qxe5 Nb6 28. Nxb6 axb6 29. Qxh5 Bf2 30. e5 Qb4 31. Qg5+ Kf8 32. Nd2 c5 33. a3 Qa4 34. Bc2 Qa5 35. Qd8+ Kg7 36. Qd3 Bd4 37. f4 Bxh3 38. Nf3 Bg2 39. Ng5 Qe1+ 40. Ka2 Qc1 41. Qh7+ 1-0

[Event "ARG-ch sf Amateur"]
[Site "Buenos Aires"]
[Date "2019.11.01"]
[Round "1.5"]
[White "Costa, Gustavo Javier"]
[Black "Gomez Veras, Maximiliano"]
[Result "1-0"]
[ECO "D05"]
[BlackElo "1675"]
[PlyCount "29"]
[EventDate "2019.11.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 b6 4. Nd2 Bb7 5. Ngf3 c5 6. c3 d5 7. Ne5 c4 8. Bc2 b5 9. a3 Bd6 10. f4 0-0 11. Qf3 Nc6 12. 0-0 a5 13. g4 b4 14. g5 Nd7 15. Bxh7+ 1-0

