[Event "ARG-ch sf U2000"]
[Site "Monteros"]
[Date "2015.11.01"]
[Round "4.5"]
[White "Calla, Gonzalo"]
[Black "Medina, Ricardo"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1923"]
[BlackElo "1853"]
[PlyCount "111"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 a6 8. Bxc6+ bxc6 9. h3 Bd6 10. 0-0 0-0 11. a3 Re8 12. dxc5 Bxc5 13. b4 Bd6 14. Bb2 Bd7 15. Rc1 Qe7 16. Na4 a5 17. Nb6 Ra6 18. Bxf6 gxf6 19. Nxd7 Qxd7 20. bxa5 Bxa3 21. Ra1 Rxa5 22. Nh4 Bb4 23. Rb1 Bf8 24. Qf3 Ra4 25. Nf5 Rae4 26. Ng3 R4e6 27. Nh5 Qe7 28. Rb2 Qd6 29. Rfb1 Qe5 30. h4 f5 31. Nf4 Rh6 32. g3 Qe4 33. Qd1 Bd6 34. Nh3 Rg6 35. Ng5 Qe7 36. Rb7 Bc7 37. Ra7 h6 38. Rbb7 Rc8 39. Nf3 Qd6 40. Kg2 Bb8 41. Ra8 Qd8 42. Qb1 Bd6 43. Raa7 Bc5 44. Rd7 Qe8 45. Rab7 Rg7 46. Qb2 Qe6 47. Nd4 Bxd4 48. exd4 f4 49. Re7 Qg4 50. Rb8 fxg3 51. Rxc8+ Qxc8 52. fxg3 Qg4 53. Re3 Qd1 54. Qe2 Qxd4 55. Kh3 Qa1 56. Kh2 0-1

[Event "ARG-ch sf U2000"]
[Site "Monteros"]
[Date "2015.10.31"]
[Round "2.5"]
[White "Calla, Gonzalo"]
[Black "Nieva, Hugo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1923"]
[PlyCount "43"]
[EventDate "2015.10.31"]
[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. e4 g6 3. Nf3 Bg7 4. Bc4 e6 5. Bg5 Ne7 6. Nc3 a6 7. a4 0-0 8. Qd2 c6 9. 0-0-0 b5 10. Bb3 d5 11. e5 Nd7 12. h4 c5 13. Nxd5 exd5 14. Bxd5 Ra7 15. dxc5 Kh8 16. h5 Nxe5 17. Nxe5 Bxe5 18. hxg6 fxg6 19. Rxh7+ Kxh7 20. Rh1+ Kg7 21. Bh6+ Kf6 22. Qg5# 1-0

[Event "ARG-ch sf U2000"]
[Site "Monteros"]
[Date "2015.10.31"]
[Round "1.13"]
[White "Carmona, Esteban"]
[Black "Calla, Gonzalo"]
[Result "0-1"]
[ECO "D60"]
[BlackElo "1923"]
[PlyCount "56"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. Bd3 a6 8. a4 dxc4 9. Bxc4 b6 10. 0-0 Bb7 11. Rc1 Nd5 12. Bxe7 Qxe7 13. Qe2 c5 14. Rfd1 cxd4 15. Nxd4 Nxc3 16. Rxc3 Nc5 17. b3 Rfd8 18. Rcc1 Qf6 19. Qg4 Ne4 20. f3 Nc5 21. f4 e5 22. Nf3 Bxf3 23. Qxf3 e4 24. Qe2 a5 25. Qc2 Rac8 26. Bd5 Qf5 27. Qc4 Nd3 28. Bxf7+ Kf8 0-1

[Event "ARG-ch sf U2000"]
[Site "Monteros"]
[Date "2015.10.31"]
[Round "3.2"]
[White "Zaidman, Ivan"]
[Black "Calla, Gonzalo"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1830"]
[BlackElo "1923"]
[PlyCount "85"]
[EventDate "2015.10.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 a6 8. a4 b6 9. 0-0 Bb7 10. Qe2 c5 11. dxc5 bxc5 12. b3 Nc6 13. Rd1 Qc7 14. e4 Ng4 15. g3 Bf6 16. Bb2 h5 17. Rd2 Rfd8 18. Rad1 Nd4 19. Nxd4 Bxd4 20. Qf3 Qe5 21. Qf4 Qxf4 22. gxf4 Nxf2 23. Rxf2 Bxf2+ 24. Kxf2 Rxd1 25. Nxd1 Rd8 26. Ke1 Bxe4 27. Ba3 Bd3 28. Nb2 Bxc4 29. bxc4 Rd4 30. Bxc5 Rxf4 31. Kd2 f6 32. Kc3 Rh4 33. Bd6 Kf7 34. c5 e5 35. c6 Ke8 36. Nc4 Rh3+ 37. Kb4 Rh4 38. Kc5 Rxc4+ 39. Kxc4 g5 40. Kd5 h4 41. Ke6 Kd8 42. Kxf6 g4 43. Bxe5 1-0

