[Event "Moron Luis Bronstein Memorial 7th"]
[Site "Moron"]
[Date "2020.01.30"]
[Round "6.3"]
[White "Herrera, Pablo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2089"]
[BlackElo "2030"]
[PlyCount "47"]
[EventDate "2020.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 Qxd5 6. Bc4 Qd6 7. dxc5 Qxc5 8. Qe2 Bd7 9. Ne4 Qb6 10. 0-0 Nf6 11. Be3 Qc7 12. Nc3 Be7 13. Rad1 a6 14. Rfe1 0-0 15. Bg5 b5 16. Bd3 Nb4 17. Bxf6 Bxf6 18. Bxh7+ Kxh7 19. Qe4+ g6 20. Qxb4 Bxc3 21. bxc3 Bc6 22. Ng5+ Kg7 23. Qd4+ Kg8 24. Qh4 1-0

[Event "Moron Luis Bronstein Memorial 7th"]
[Site "Moron"]
[Date "2020.01.28"]
[Round "5.4"]
[White "Oyarzu, Eduardo"]
[Black "Ucha, Luis"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2030"]
[BlackElo "2012"]
[PlyCount "77"]
[EventDate "2020.01.14"]
[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. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Rb1 cxd4 8. cxd4 Nc6 9. Nf3 Bb4+ 10. Bd2 Qa5 11. Bxb4 Nxb4 12. Qd2 Nc6 13. Bb5 Bd7 14. Bd3 Qxd2+ 15. Kxd2 Rb8 16. Rhc1 0-0 17. d5 exd5 18. exd5 Na5 19. Ne5 Rfd8 20. Nxd7 Rxd7 21. Rc5 b6 22. Rxa5 Rbd8 23. Rab5 Rxd5 24. Rxd5 Rxd5 25. Rc1 g6 26. Rc8+ Kg7 27. Rc7 a6 28. Kc3 b5 29. a4 b4+ 30. Kc4 Rd6 31. Be4 a5 32. Bd5 Rf6 33. f3 h5 34. Ra7 Rf4+ 35. Kb3 g5 36. Rxa5 g4 37. fxg4 hxg4 38. Rb5 Rd4 39. a5 1-0

[Event "Moron Luis Bronstein Memorial 7th"]
[Site "Moron"]
[Date "2020.01.23"]
[Round "4.2"]
[White "Gerola, Pablo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2090"]
[BlackElo "2030"]
[PlyCount "13"]
[EventDate "2020.01.14"]
[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. Bf4 e6 4. e3 c5 5. c3 b6 6. Nbd2 Ba6 7. Bxa6 1-0

[Event "Moron Luis Bronstein Memorial 7th"]
[Site "Moron"]
[Date "2020.01.21"]
[Round "3.5"]
[White "Oyarzu, Eduardo"]
[Black "Cisneros, Juan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2030"]
[BlackElo "1741"]
[PlyCount "99"]
[EventDate "2020.01.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 h6 4. Bf4 Nf6 5. Nc3 e6 6. cxd5 cxd5 7. e3 Bd7 8. Qb3 Qb6 9. Nb5 Na6 10. Nd6+ Bxd6 11. Qxb6 Bb4+ 12. Qxb4 Nxb4 13. Kd1 Ne4 14. Bg3 f6 15. Nd2 Nxd2 16. Kxd2 Rc8 17. a3 Nc6 18. b4 a6 19. Be2 Kf7 20. Bd6 e5 21. Bc5 exd4 22. exd4 Rhe8 23. Bf3 Be6 24. Rab1 Kg6 25. Rb3 Rb8 26. Bb6 f5 27. Re1 Kf6 28. Rbe3 g5 29. Bxd5 Bd7 30. Bb3 Rxe3 31. fxe3 Re8 32. Rf1 Ne7 33. e4 Nc8 34. e5+ Kg6 35. Bc7 Na7 36. Bb6 Nc8 37. Bc7 Re7 38. d5 Bb5 39. Rc1 f4 40. e6 Kf6 41. Bd8 Nd6 42. Rc7 Ne4+ 43. Kc2 Nf2 44. Bxe7+ Ke5 45. d6 Bd3+ 46. Kc1 Bf5 47. Rc5+ Ke4 48. Bc2+ Nd3+ 49. Bxd3+ Kxd3 50. Rxf5 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2019.12.19"]
[Round "6.5"]
[White "Oyarzu, Eduardo"]
[Black "Ruiz Diaz, Alfredo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2031"]
[BlackElo "1913"]
[PlyCount "38"]
[EventDate "2019.12.03"]
[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. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 Be6 8. Bd3 Nbd7 9. Nf3 h6 10. Bh4 c5 11. dxc5 Nxc5 12. Bb5+ Kf8 13. 0-0 Rc8 14. Rac1 g5 15. Bg3 Nfe4 16. Bd3 Bf5 17. Nd4 Nxg3 18. Nxf5 Nxf1 19. Rxf1 a6 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2019.12.17"]
[Round "5.4"]
[White "Semprevivo, Florencia"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2063"]
[BlackElo "2031"]
[PlyCount "77"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nc6 5. Nf3 Nf6 6. Nc3 g6 7. cxd5 Nxd5 8. Bc4 Be6 9. Bb3 Bg7 10. 0-0 0-0 11. Ng5 Nxc3 12. bxc3 Bd7 13. Qf3 e6 14. Ne4 Na5 15. Ba3 Nxb3 16. axb3 f5 17. Nd6 Bc6 18. Qe2 Rf6 19. Nc4 Qd5 20. f3 Bb5 21. Rfe1 Rc8 22. Bc5 a6 23. Qa2 Bxc4 24. bxc4 Qc6 25. Rab1 e5 26. Rxe5 Rf7 27. Re2 Qd7 28. Ba3 Bxd4+ 29. cxd4 Qxd4+ 30. Kh1 Qxc4 31. Qb2 Rfc7 32. h3 b5 33. Qe5 h5 34. Bb2 Kh7 35. Rbe1 Qf7 36. Qd6 Rc6 37. Qd4 R6c7 38. Ba3 Rc4 39. Qd6 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2019.12.12"]
[Round "4.2"]
[White "Edgar, Roberto"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2097"]
[BlackElo "2031"]
[PlyCount "21"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. c4 c6 5. cxd5 cxd5 6. d4 Nc6 7. 0-0 Bg7 8. Nc3 0-0 9. Ne5 Qb6 10. Na4 Qxd4 11. Nxc6 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "3.4"]
[White "Oyarzu, Eduardo"]
[Black "Medina, Sergio"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2031"]
[BlackElo "1944"]
[PlyCount "99"]
[EventDate "2019.12.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d6 3. Bg2 g6 4. Nf3 Bg7 5. d3 0-0 6. 0-0 c6 7. Nc3 Bd7 8. Rb1 Qc8 9. Re1 e5 10. b4 a6 11. a4 b5 12. axb5 axb5 13. Qc2 bxc4 14. dxc4 Bf5 15. e4 Be6 16. Qd3 Rd8 17. Rd1 Na6 18. Bf1 Rb8 19. Ba3 Bg4 20. Be2 h6 21. Kg2 Nc7 22. b5 c5 23. Bb2 Qb7 24. Ne1 Be6 25. Nc2 Na8 26. Ne3 Nb6 27. Ra1 Bf8 28. Ra6 Ra8 29. Rda1 Rxa6 30. Rxa6 Ra8 31. Rxa8 Qxa8 32. Ncd5 Bxd5 33. exd5 Qa2 34. Qa3 Qxa3 35. Bxa3 Ne4 36. f3 Nd2 37. Kf2 f5 38. Bd3 f4 39. gxf4 exf4 40. Ng4 g5 41. h4 Ndxc4 42. Bc1 Bg7 43. hxg5 hxg5 44. Kg2 Ne5 45. Nxe5 Bxe5 46. Be4 Kg7 47. Kh3 Kf6 48. Bd2 Nc4 49. Be1 Bd4 50. Kg4 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "1.6"]
[White "Oyarzu, Eduardo"]
[Black "Minvielle, Nehuen Alexis1111"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "2031"]
[BlackElo "1869"]
[PlyCount "51"]
[EventDate "2019.12.03"]
[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. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Bd3 Bb7 7. f3 d5 8. Ba3 Nbd7 9. Rb1 dxc4 10. Bxc4 Rc8 11. Ne2 c5 12. Qd3 Qc7 13. Rc1 0-0 14. 0-0 Rfd8 15. Qb1 Nd5 16. Bxd5 exd5 17. Ng3 Nf6 18. Rfe1 Qd7 19. Qb3 Re8 20. Rb1 cxd4 21. cxd4 Bc6 22. Rbc1 Ba4 23. Qd3 Bb5 24. Qd2 Rxc1 25. Rxc1 Qe6 26. Rc3 1/2-1/2

[Event "Buenos Aires Faogba 36th"]
[Site "Buenos Aires"]
[Date "2019.11.28"]
[Round "7.11"]
[White "Rasgido, Alejandro"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1928"]
[BlackElo "1827"]
[PlyCount "39"]
[EventDate "2019.11.07"]
[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. Bg5 Bf5 3. e3 Nf6 4. Bxf6 exf6 5. Nd2 Be7 6. g3 0-0 7. Bg2 Qd7 8. c4 Be6 9. Ne2 c6 10. Nc3 dxc4 11. 0-0 Na6 12. Qe2 Nc7 13. Nxc4 Bh3 14. Rfc1 Bxg2 15. Kxg2 Rac8 16. a3 Ne6 17. b4 Qd8 18. b5 b6 19. bxc6 Rxc6 20. d5 1-0

[Event "Buenos Aires Faogba 36th"]
[Site "Buenos Aires"]
[Date "2019.11.26"]
[Round "6.7"]
[White "Oyarzu, Eduardo"]
[Black "De Cesare, Ricardo"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "1827"]
[BlackElo "1960"]
[PlyCount "90"]
[EventDate "2019.11.07"]
[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 e5 3. dxe5 Ne4 4. Qc2 Nc5 5. Nf3 Nc6 6. a3 d6 7. b4 Ne6 8. exd6 Bxd6 9. e3 a5 10. b5 Ne5 11. Nbd2 0-0 12. Bb2 Nxf3+ 13. Nxf3 Qe7 14. Bd3 h6 15. 0-0 Nc5 16. Qc3 f6 17. Bc2 Bg4 18. Nd4 Qf7 19. f3 Bd7 20. Rad1 Qh5 21. g3 Rfe8 22. Qd2 b6 23. Rde1 Rad8 24. Nb3 Bh3 25. Qd5+ Qxd5 26. cxd5 Bxf1 27. Kxf1 Nxb3 28. Bxb3 Kf7 29. Ke2 h5 30. a4 h4 31. Kf2 hxg3+ 32. hxg3 Rh8 33. Rg1 Rh3 34. Bd4 Rdh8 35. f4 Rh2+ 36. Rg2 Rh1 37. e4 Rb1 38. Bc2 Rc1 39. Bb3 Rhh1 40. Ke2 Ke7 41. Kd2 Bb4+ 42. Kd3 Rhf1 43. Bc2 Rce1 44. Bf2 Ra1 45. Be3 Ra3+ 0-1

[Event "Buenos Aires Faogba 36th"]
[Site "Buenos Aires"]
[Date "2019.11.12"]
[Round "2.13"]
[White "Tomeo, Nicolas"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2115"]
[BlackElo "1827"]
[PlyCount "33"]
[EventDate "2019.11.07"]
[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. Nf3 d5 3. c4 c6 4. Nc3 dxc4 5. a4 e6 6. e3 Bb4 7. Bxc4 0-0 8. 0-0 Nbd7 9. Qc2 c5 10. Na2 a5 11. Rd1 Qe7 12. Nxb4 cxb4 13. e4 Nb6 14. Bb5 h6 15. Bf4 Ne8 16. Qc5 Qd8 17. Bxe8 1-0

[Event "Buenos Aires Martin Sciorra 1st"]
[Site "Buenos Aires"]
[Date "2019.10.22"]
[Round "6.2"]
[White "Oyarzu, Eduardo"]
[Black "Edgar, Roberto"]
[Result "1/2-1/2"]
[ECO "A59"]
[WhiteElo "2030"]
[BlackElo "2093"]
[PlyCount "58"]
[EventDate "2019.10.03"]
[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. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Bg5 Bg7 10. g3 Qb6 11. Qe2 Nbd7 12. Kg2 0-0 13. f4 h6 14. Bh4 Rfb8 15. Rb1 Nh7 16. Nf3 g5 17. fxg5 hxg5 18. Bxg5 Kf8 19. Bd2 Kg8 20. Rhf1 Qa6 21. Qxa6 Rxa6 22. a3 c4 23. Rfc1 Nc5 24. Nd1 Nxe4 25. Rxc4 Nxd2 26. Nxd2 Bh6 27. Rd4 Bxd2 28. Rxd2 Rxa3 29. bxa3 Rxb1 1/2-1/2

[Event "Buenos Aires Martin Sciorra 1st"]
[Site "Buenos Aires"]
[Date "2019.10.17"]
[Round "5.3"]
[White "Gomez Veras, Maximiliano"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1906"]
[BlackElo "2030"]
[PlyCount "72"]
[EventDate "2019.10.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. e3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Nf3 a6 8. Nc3 b5 9. Qb3 Nbd7 10. d4 Nb6 11. 0-0 b4 12. Ne2 Ba4 13. Qd3 c5 14. b3 Bb5 15. Qd1 c4 16. Ne5 Rc8 17. bxc4 Nxc4 18. Nxc4 Rxc4 19. a3 Qc7 20. axb4 Bxb4 21. Bd2 Bxd2 22. Qxd2 Rc2 23. Rfc1 Rxd2 24. Rxc7 0-0 25. Nc3 Bd3 26. Na4 Ng4 27. Nc5 Bb5 28. Ne4 Rb2 29. h3 Nf6 30. Nd6 Ne8 31. Nxe8 Rxe8 32. Bb7 g6 33. Bxa6 Ra8 34. Rc8+ Rxc8 35. Bxc8 Bc6 36. Ba6 h5 1/2-1/2

[Event "Buenos Aires Martin Sciorra 1st"]
[Site "Buenos Aires"]
[Date "2019.10.10"]
[Round "3.4"]
[White "Bova, Carmelo"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1925"]
[BlackElo "2030"]
[PlyCount "86"]
[EventDate "2019.10.03"]
[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 g6 2. Nf3 Nf6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. Nc3 Bf5 7. Nh4 Qd7 8. Nxf5 gxf5 9. Bf4 Na6 10. e3 Rfd8 11. a3 c5 12. Qf3 Ne4 13. Qd1 cxd4 14. exd4 Nxc3 15. bxc3 Rdc8 16. Qd3 Rc4 17. Rab1 e6 18. Rb3 Rac8 19. Rfb1 b6 20. Bd2 Bf8 21. Bf1 Nc7 22. Qf3 Ra4 23. Bc1 Bd6 24. Bd3 Qe7 25. Qh5 f6 26. Kg2 Kh8 27. Qh6 Qf8 28. Qxf8+ Bxf8 29. f4 Ne8 30. Bb5 Rac4 31. Bxc4 Rxc4 32. Bd2 Nd6 33. Kf3 Ra4 34. Ra1 Nc4 35. Bc1 Kg7 36. h3 h5 37. Ke2 Kg6 38. Kf3 Bd6 39. h4 Kf7 40. Ke2 Ke7 41. Kd3 Kd7 42. Rb4 Bxb4 43. cxb4 b5 1/2-1/2

[Event "Buenos Aires Martin Sciorra 1st"]
[Site "Buenos Aires"]
[Date "2019.10.08"]
[Round "2.5"]
[White "Oyarzu, Eduardo"]
[Black "Ardiles, Manuel"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2030"]
[BlackElo "1938"]
[PlyCount "72"]
[EventDate "2019.10.03"]
[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. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 0-0 6. Bg5 c5 7. d5 Bd7 8. Qd2 Re8 9. Bd3 Na6 10. Nge2 Nc7 11. 0-0 a6 12. a4 e5 13. dxe6 Nxe6 14. Bh4 Nxe4 15. Bxe4 Qxh4 16. Qxd6 Rad8 17. Qg3 Qxg3 18. hxg3 Bc8 19. Rad1 Nd4 20. Nf4 Nf5 21. Bxf5 Bxf5 22. Nfd5 Bd4+ 23. Kh2 Kg7 24. Rd2 h5 25. Rfd1 g5 26. Ne2 Be5 27. f4 Bb8 28. fxg5 Rxe2 29. Rxe2 Bg4 30. Rde1 Bxe2 31. Rxe2 h4 32. Re7 hxg3+ 33. Kh3 b5 34. axb5 axb5 35. b3 bxc4 36. bxc4 Kg6 1/2-1/2

[Event "Moron Perez Cup U2200 sf"]
[Site "Moron"]
[Date "2019.08.03"]
[Round "5.7"]
[White "Fernandez, Mauricio"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1537"]
[BlackElo "1849"]
[PlyCount "33"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Ngf3 cxd4 6. cxd4 dxe4 7. Nxe4 Bb4+ 8. Nc3 Nge7 9. a3 Ba5 10. Be3 a6 11. Bd3 0-0 12. 0-0 b5 13. Bxh7+ Kxh7 14. Ng5+ Kg6 15. Qg4 e5 16. Ne6+ Kf6 17. Ne4# 1-0

[Event "Moron Perez Cup U2200 sf"]
[Site "Moron"]
[Date "2019.08.02"]
[Round "4.4"]
[White "Oyarzu, Eduardo"]
[Black "Conde, Adrian"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1849"]
[BlackElo "2078"]
[PlyCount "110"]
[EventDate "2019.07.29"]
[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. Nf3 e6 3. c4 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. cxd5 exd5 7. Bg5 0-0 8. e3 c6 9. Qc2 Nbd7 10. Bd3 Re8 11. 0-0 Ne4 12. Bxe4 Bxg5 13. Bxh7+ Kh8 14. Bf5 Bf6 15. b4 g6 16. Bd3 a6 17. Na4 Nf8 18. Rab1 Kg7 19. Nc5 Qd6 20. Qd2 b6 21. Nb3 Ne6 22. Rbc1 Rh8 23. g3 g5 24. Bf5 g4 25. Bxg4 Ng5 26. Nxg5 Bxg4 27. f4 Bxg5 28. fxg5 Rh5 29. Rf6 Be6 30. Qf2 Rxg5 31. Qf4 Qxf4 32. Rxf4 Rc8 33. Nd2 Bg4 34. Kg2 Bh5 35. a4 Rg6 36. h3 Re6 37. Rc3 Bd1 38. Nb3 Re7 39. a5 Bxb3 40. Rxb3 bxa5 41. bxa5 c5 42. dxc5 Rxc5 43. Ra3 Re6 44. g4 Rc2+ 45. Kf3 Rh2 46. Kg3 Re2 47. Rfa4 Rf6 48. Rd3 Rd6 49. Kf4 Kf6 50. Rad4 Rf2+ 51. Kg3 Re2 52. Ra3 Ke5 53. Rdd3 Rf6 54. h4 Rff2 55. h5 f6 0-1

[Event "Moron Perez Cup U2200 sf"]
[Site "Moron"]
[Date "2019.07.30"]
[Round "2.4"]
[White "Oyarzu, Eduardo"]
[Black "Edgar, Roberto"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1849"]
[BlackElo "1941"]
[PlyCount "20"]
[EventDate "2019.07.29"]
[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 c6 4. Nc3 e6 5. cxd5 exd5 6. Qc2 Be7 7. Bg5 h6 8. Bf4 Nbd7 9. e3 Nh5 10. Nxd5 cxd5 0-1

[Event "Moron Mayor Cup Challengers 1819"]
[Site "Moron"]
[Date "2019.04.01"]
[Round "1.7"]
[White "Conti, Claudio"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1792"]
[BlackElo "2037"]
[PlyCount "47"]
[EventDate "2019.04.01"]
[EventType "tourn"]
[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. e5 c5 4. c3 Nc6 5. a3 Qb6 6. Nf3 Bd7 7. Be2 Nh6 8. b4 cxd4 9. cxd4 Nf5 10. Bb2 Be7 11. 0-0 0-0 12. Re1 a5 13. b5 a4 14. Bd3 Na5 15. Nc3 Nc4 16. Bc1 g6 17. Nxa4 Qxb5 18. Nc3 Qc6 19. Qb3 Rfc8 20. Qb5 Qc7 21. Qb1 Nxe5 22. Nxe5 Qxc3 23. Re3 Qxd4 24. Nf3 0-1

[Event "Moron Philidor CC A 6th"]
[Site "Moron"]
[Date "2019.02.14"]
[Round "5.4"]
[White "Bordon, Jorge"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1927"]
[BlackElo "2024"]
[PlyCount "110"]
[EventDate "2019.01.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d3 c5 3. Nf3 d5 4. Nbd2 Nc6 5. g3 g6 6. Bg2 Bg7 7. 0-0 Nf6 8. Re1 0-0 9. c3 b5 10. e5 Nd7 11. d4 a5 12. Nf1 Ba6 13. Bg5 Qb6 14. Qd2 cxd4 15. cxd4 Rac8 16. Rac1 b4 17. Bh6 Nxd4 18. Bxg7 Nxf3+ 19. Bxf3 Kxg7 20. h4 Bxf1 21. Kxf1 Qb8 22. Qf4 Rxc1 23. Rxc1 Qxe5 24. Qd2 Qb8 25. Qd4+ f6 26. g4 h6 27. Kg2 Rf7 28. Rc6 Ne5 29. Rxe6 Nxf3 30. Kxf3 Qh2 31. Ke3 Qxh4 32. Qxd5 Qxg4 33. Qc6 h5 34. Re8 Rd7 35. Re4 Qg5+ 36. Ke2 Qd2+ 37. Kf1 Qd1+ 38. Kg2 Qd5 39. Qxd5 Rxd5 40. Re7+ Kh6 41. Ra7 g5 42. Kf3 Kg6 43. Kg3 Kf5 44. f3 h4+ 45. Kh3 Kf4 46. a3 bxa3 47. bxa3 Kxf3 48. Rf7 f5 49. a4 Kf4 50. Rc7 Rd3+ 51. Kh2 Rd4 52. Kh3 Rxa4 53. Rc2 Ra3+ 54. Kh2 a4 55. Rf2+ Kg4 0-1

[Event "Moron Philidor CC A 6th"]
[Site "Moron"]
[Date "2019.01.31"]
[Round "1.5"]
[White "Lince, Oscar"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "1944"]
[BlackElo "2024"]
[PlyCount "52"]
[EventDate "2019.01.31"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nd2 c5 4. c3 Nc6 5. Ngf3 cxd4 6. Nxd4 Nxd4 7. cxd4 dxe4 8. Nxe4 Be7 9. Qg4 Qxd4 10. Bb5+ Kf8 11. 0-0 f5 12. Qf3 Qxe4 13. Qh5 g6 14. Bh6+ Kf7 15. Qh3 a6 16. Qc3 Nf6 17. Bc4 Bd7 18. Rad1 Rac8 19. Rd4 Qc6 20. Qb3 b5 21. Be2 Qc2 22. Qe3 Nd5 23. Rxd5 exd5 24. Qe5 Bf6 25. Qxd5+ Be6 26. Qf3 Qe4 0-1

[Event "Moron Mayor Cup Challengers 1819"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "4.3"]
[White "Edgar, Roberto"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2067"]
[BlackElo "2037"]
[PlyCount "45"]
[EventDate "2019.04.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. 0-0 e6 6. Nc3 Be7 7. Re1 0-0 8. e4 d6 9. d4 cxd4 10. Nxd4 Qc8 11. b3 a6 12. Bb2 Nbd7 13. Rc1 Qc7 14. f4 Ra7 15. f5 e5 16. Nd5 Nxd5 17. cxd5 Qb8 18. Nc6 Bxc6 19. Rxc6 Rc8 20. b4 b5 21. Rxc8+ Qxc8 22. Bc1 Bd8 23. Be3 1/2-1/2

[Event "Moron Mayor Cup Challengers 1819"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "2.6"]
[White "Oyarzu, Eduardo"]
[Black "Bova, Carmelo"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2037"]
[BlackElo "1976"]
[PlyCount "105"]
[EventDate "2019.04.01"]
[EventType "tourn"]
[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 Nc6 3. Nf3 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 0-0 7. a3 a6 8. Bd3 h6 9. Bxf6 Bxf6 10. 0-0 Bd7 11. cxd5 Ne7 12. dxe6 Bxe6 13. Rc1 c6 14. Qe2 Re8 15. Ne4 Nd5 16. Nxf6+ Qxf6 17. Qc2 Bg4 18. Ne5 Be6 19. Be2 Rad8 20. b4 g6 21. Qb2 Kh7 22. a4 Nb6 23. Qc2 Qe7 24. Nd3 Bf5 25. Qb3 Nd5 26. Nc5 Bc8 27. Rfd1 f5 28. b5 axb5 29. axb5 b6 30. Nd3 cxb5 31. Qxb5 Bb7 32. Bf3 Rd6 33. Ne5 Kg7 34. Rd2 Rb8 35. Rdc2 Rbd8 36. Bxd5 Rxd5 37. Qxb6 R5d6 38. Qc7 Re8 39. Qxe7+ Rxe7 40. Rc7 Rde6 41. f3 Kf6 42. Nd7+ Rxd7 43. Rxd7 Bc6 44. Rc7 Be8 45. Kf2 g5 46. d5 Rd6 47. e4 fxe4 48. fxe4 Bd7 49. Ke3 Ke5 50. h3 Bb5 51. R1c5 Bf1 52. R5c6 Rxc6 53. Rxc6 1-0

[Event "Moron Mayor Cup Challengers 1819"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "3.1"]
[White "Oyarzu, Eduardo"]
[Black "Cabrera, Matias"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2037"]
[BlackElo "2125"]
[PlyCount "103"]
[EventDate "2019.04.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nc6 5. Qd2 e5 6. d5 Nce7 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. f3 a6 10. h4 h5 11. Nh3 0-0-0 12. 0-0-0 Kb8 13. Kb1 f6 14. b3 Nh6 15. Na4 Nf7 16. c4 b6 17. Qe2 Qc8 18. Qd2 Bh6 19. Ka1 Bxe3 20. Qxe3 Qd7 21. Nc3 Rhg8 22. b4 g5 23. hxg5 Nxg5 24. c5 Nxh3 25. c6 Qc8 26. gxh3 Rg3 27. h4 f5 28. Qf2 f4 29. Rdg1 Rdg8 30. Ne2 Rxg1+ 31. Nxg1 Rg3 32. Ne2 Rg7 33. Ng1 Qg8 34. Nh3 Rg3 35. Qf1 Ka7 36. Qd1 Ng6 37. Kb2 Nxh4 38. Nxf4 exf4 39. Rxh4 Qg7+ 40. Ka3 Rg2 41. Qc1 Qg3 42. Rxf4 Qf2 43. Kb3 b5 44. Kc3 Qe2 45. e5 Qxe5+ 46. Rd4 Rg3 47. Qf4 Qe1+ 48. Rd2 Qc1+ 49. Kd3 Qa3+ 50. Ke2 Rg2+ 51. Kf1 Rxd2 52. Qxd2 1/2-1/2

[Event "Moron Philidor CC A 6th"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "2.2"]
[White "Oyarzu, Eduardo"]
[Black "De Cesare, Ricardo"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2024"]
[BlackElo "1960"]
[PlyCount "74"]
[EventDate "2019.01.31"]
[EventType "swiss"]
[EventRounds "5"]
[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. f3 Bg7 4. Nc3 0-0 5. e4 d6 6. Bg5 Nc6 7. Qd2 e5 8. Nge2 exd4 9. Nxd4 Nxd4 10. Qxd4 h6 11. Bxf6 Bxf6 12. Qd2 Bg7 13. Bd3 Be6 14. 0-0 c6 15. Rab1 Qb6+ 16. Kh1 Rad8 17. Qc2 Qc5 18. b3 b5 19. Ne2 bxc4 20. bxc4 Rb8 21. Rb3 Rxb3 22. Qxb3 Kh7 23. Rd1 h5 24. Qc2 Rb8 25. Nf4 Rb2 26. Nxe6 fxe6 27. Qc1 Qf2 28. Qg5 Bf6 29. Qg3 Qd4 30. f4 Rd2 31. Qf3 Rf2 32. Qg3 h4 33. Qh3 e5 34. g3 Qe3 35. Qg4 Rxa2 36. Qd7+ Kh6 37. Qg4 Qf2 0-1

[Event "Moron Philidor CC A 6th"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "3.4"]
[White "Oyarzu, Eduardo"]
[Black "Gerola, Pablo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2024"]
[BlackElo "2118"]
[PlyCount "60"]
[EventDate "2019.01.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 d6 4. g3 Nf6 5. Bg2 g6 6. 0-0 Bg7 7. c3 0-0 8. Nbd2 Qc7 9. Re1 Ne5 10. Nf1 b6 11. h3 Ba6 12. c4 Nxf3+ 13. Bxf3 Bb7 14. Rb1 Qd7 15. Bg2 e6 16. Bd2 d5 17. e5 Ne8 18. Bf4 Nc7 19. Qe2 Bc6 20. b3 a5 21. a4 Na6 22. Ne3 Nb4 23. Ng4 dxc4 24. dxc4 Bxg2 25. Kxg2 Qd3 26. Bg5 Qxe2 27. Rxe2 Nc6 28. Nf6+ Bxf6 29. Bxf6 Nd4 30. Rd2 h6 1/2-1/2

[Event "Moron Mayor Cup Challengers 1819"]
[Site "Moron"]
[Date "2019.??.??"]
[Round "5.2"]
[White "Oyarzu, Eduardo"]
[Black "Ruiz Diaz, Alfredo"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2037"]
[BlackElo "1933"]
[PlyCount "73"]
[EventDate "2019.04.01"]
[EventType "tourn"]
[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 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Qc2 Qa5 8. Bd3 Bb4 9. Nf3 0-0 10. 0-0 Bd6 11. Rfc1 h6 12. Bh4 a6 13. Bg3 Qc7 14. b4 Nh5 15. Nxd5 Qb8 16. Ne7+ Kh8 17. Bxd6 Qxd6 18. Nxc8 Raxc8 19. Rab1 Nhf6 20. a4 g6 21. Qb3 Kg7 22. Rb2 Nd5 23. g3 f5 24. Bc4 N5f6 25. Be6 Rfe8 26. Bxd7 Nxd7 27. Rbc2 g5 28. b5 axb5 29. axb5 Kf6 30. bxc6 bxc6 31. Rc4 g4 32. Nh4 Kg5 33. Qc2 Re4 34. Rxc6 Rxc6 35. Qxc6 Qxc6 36. Rxc6 Nf6 37. Rc5 1-0

[Event "Buenos Aires Faogba 35th"]
[Site "Buenos Aires"]
[Date "2018.11.??"]
[Round "5.6"]
[White "Beredjiklian, Mariano"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2022"]
[BlackElo "1849"]
[PlyCount "91"]
[EventDate "2018.11.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. c3 Nf6 6. 0-0 0-0 7. d3 Qb6+ 8. Kh1 Ng4 9. Qe1 Ne3 10. Bxe3 Qxe3 11. d4 Qe6 12. Nbd2 f5 13. Ne5 Nd7 14. Nxd7 Bxd7 15. Nf3 Qd6 16. e3 a5 17. Ne5 Be6 18. h3 Qc7 19. Qe2 Bxe5 20. fxe5 Qd7 21. Kh2 Kg7 22. a4 h5 23. b4 Qc7 24. Rfb1 Bd7 25. Qb2 e6 26. bxa5 Bc8 27. Qb6 Rf7 28. Bf1 Rxa5 29. c4 Qxb6 30. Rxb6 g5 31. cxd5 exd5 32. Be2 Kg6 33. Bd3 Kh6 34. Bc2 Be6 35. Rf1 Ra7 36. Bb3 Kg7 37. Bd1 g4 38. hxg4 hxg4 39. Kg2 Kg6 40. Bc2 Re7 41. Rh1 Rh7 42. Rh4 Rxh4 43. gxh4 Bc8 44. Kg3 Ra6 45. Rb1 Kh5 46. Kf4 1-0

[Event "Buenos Aires Faogba 35th"]
[Site "Buenos Aires"]
[Date "2018.11.??"]
[Round "4.11"]
[White "Oyarzu, Eduardo"]
[Black "Alija, Miguel Angel"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1849"]
[BlackElo "1498"]
[PlyCount "83"]
[EventDate "2018.11.13"]
[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 e6 3. Nc3 Nf6 4. cxd5 g6 5. dxe6 Bxe6 6. Bf4 c6 7. e3 Bg7 8. Be2 0-0 9. Nf3 Nbd7 10. 0-0 Re8 11. Rc1 Nh5 12. Bg5 f6 13. Bh4 Bh8 14. Qc2 Ng7 15. Rfd1 Nf5 16. Bg3 Nxg3 17. hxg3 Bf7 18. Ne4 Nb6 19. Nc5 Rb8 20. Nd2 Qd5 21. a3 f5 22. Nc4 Nd7 23. Bf3 Qxc4 24. Qxc4 Bxc4 25. Rxc4 Nxc5 26. Rxc5 Rbc8 27. b3 Bg7 28. a4 Bf8 29. Rc4 a5 30. d5 cxd5 31. Bxd5+ Kh8 32. Bxb7 Rb8 33. Rc7 Re7 34. Rdd7 Rxd7 35. Rxd7 Bb4 36. Kf1 Bd6 37. Bd5 Bf8 38. Ke2 Rb4 39. Ra7 Rb8 40. Rxa5 Bb4 41. Ra7 Rd8 42. Ra8 1-0

[Event "Buenos Aires Faogba 35th"]
[Site "Buenos Aires"]
[Date "2018.11.??"]
[Round "6.12"]
[White "Oyarzu, Eduardo"]
[Black "Bova, Carmelo"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "1849"]
[BlackElo "1727"]
[PlyCount "121"]
[EventDate "2018.11.13"]
[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 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 e6 9. 0-0 0-0 10. Bg5 Qa5 11. Qd2 Nd7 12. Bh6 Nf6 13. Bxg7 Kxg7 14. Rfe1 Rd8 15. e5 Nd5 16. Rac1 Bd7 17. Re4 b5 18. Bxd5 exd5 19. Rh4 h5 20. Qg5 Rh8 21. Qf6+ Kg8 22. Ng5 Be8 23. e6 Qc7 24. Rf4 a5 25. exf7+ Bxf7 26. Nxf7 Rh7 27. Ne5 Rg7 28. Qxc6 Qxc6 29. Nxc6 Rc7 30. Ne5 Kg7 31. g4 b4 32. c4 a4 33. c5 b3 34. axb3 axb3 35. Rb1 Rb8 36. Rb2 Rb4 37. gxh5 gxh5 38. Nf3 Rxc5 39. Nd2 Rc2 40. Rxb3 Rb2 41. Rxb2 Rxb2 42. Nf3 Kg6 43. h4 Rb4 44. Kg2 Rb5 45. Rf8 Kg7 46. Rc8 Rb7 47. Kg3 Rd7 48. Ne5 Rd6 49. Rc7+ Kg8 50. Rd7 Ra6 51. Rxd5 Kg7 52. f4 Ra3+ 53. Nf3 Kg6 54. Rd6+ Kf5 55. Rd5+ Kg6 56. Rg5+ Kh6 57. f5 Rd3 58. f6 Ra3 59. f7 Ra8 60. Ne5 Rf8 61. Rg8 1-0

[Event "Buenos Aires Faogba 35th"]
[Site "Buenos Aires"]
[Date "2018.11.??"]
[Round "2.10"]
[White "Oyarzu, Eduardo"]
[Black "Fernandez, Mauricio"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1849"]
[BlackElo "1548"]
[PlyCount "99"]
[EventDate "2018.11.13"]
[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. f3 d6 4. Nc3 Bg7 5. e4 0-0 6. Bg5 a6 7. Qd2 Nbd7 8. Nh3 c5 9. d5 Re8 10. Be2 Rb8 11. a4 Nf8 12. Nf2 e6 13. dxe6 Nxe6 14. Bh6 Nd4 15. Bd1 Be6 16. Bxg7 Kxg7 17. Ne2 Nc6 18. Qc3 Ne5 19. b3 b5 20. axb5 axb5 21. Nf4 bxc4 22. Nxe6+ Rxe6 23. bxc4 d5 24. cxd5 Re8 25. 0-0 Ned7 26. Ba4 Kg8 27. Nd3 Qb6 28. Qc4 Ne5 29. Nxe5 Rxe5 30. Rac1 Qb4 31. Bc6 Qd2 32. Rf2 Qh6 33. Qxc5 Rh5 34. g3 Rc8 35. Ra1 Nd7 36. Qc1 g5 37. Ra8 Rxa8 38. Bxa8 Ne5 39. Qc8+ Kg7 40. Qc3 Qf6 41. f4 gxf4 42. gxf4 Ng4 43. Qxf6+ Nxf6 44. e5 Nd7 45. d6 f6 46. e6 Nc5 47. d7 Nxe6 48. Re2 Nd8 49. Re8 Nf7 50. Re7 1-0

[Event "Buenos Aires Faogba 35th"]
[Site "Buenos Aires"]
[Date "2018.11.??"]
[Round "3.7"]
[White "Perez Wertheim, Rodolfo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1914"]
[BlackElo "1849"]
[PlyCount "89"]
[EventDate "2018.11.13"]
[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. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. Bxf6 Bxf6 6. Ne4 Qb6 7. Nxf6+ Qxf6 8. e4 cxd4 9. Qxd4 Qxd4 10. Nxd4 Nc6 11. Nb5 0-0 12. c3 d6 13. Be2 f5 14. exf5 Rxf5 15. 0-0 Bd7 16. Rad1 Raf8 17. Nc7 Be8 18. Nxe8 Rxe8 19. Bf3 Rd8 20. Bd5+ Kf8 21. Be6 Re5 22. Rfe1 g5 23. Rxe5 Nxe5 24. Rd4 Kg7 25. h4 h6 26. hxg5 hxg5 27. Kf1 Kf6 28. Bd5 Rd7 29. g3 e6 30. Bg2 Nc6 31. Rd1 e5 32. Ke2 Ke7 33. Rh1 Nd8 34. Rh7+ Nf7 35. Bd5 Kf6 36. Kf3 Kg6 37. Be4+ Kf6 38. c4 b6 39. Kg4 Rc7 40. Bd5 b5 41. b3 bxc4 42. bxc4 e4 43. Rxf7+ Rxf7 44. Bxf7 Kxf7 45. Kxg5 1-0

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.18"]
[Round "6"]
[White "Rasgido, Alejandro"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1923"]
[BlackElo "1817"]
[PlyCount "113"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 a6 6. Bxc6 dxc6 7. d3 Qe7 8. Nd2 Ba3 9. Qc1 Bxb2 10. Qxb2 Bg4 11. f3 Bf5 12. Nc4 Nd7 13. e4 Bg6 14. 0-0 0-0-0 15. b4 f6 16. a4 Bf7 17. Na5 Nb8 18. Qc3 Qd6 19. b5 cxb5 20. axb5 axb5 21. Rfb1 Qb6+ 22. Kh1 Na6 23. Qb2 b4 24. Nb3 Rd6 25. c4 Rxd3 26. c5 Qb5 27. Ra5 Qd7 28. c6 Qxc6 29. Rc1 Rxb3 30. Qa2 Qe6 31. Qc2 c6 32. Rxa6 bxa6 33. Qc5 Kb7 34. Rd1 Rc8 35. h3 Rc7 36. Ng3 Qc4 37. Qf8 Rd3 38. Rb1 a5 39. Nf5 Rcd7 40. Ne7 Rd1+ 41. Rxd1 Rxd1+ 42. Kh2 Qe6 43. Nf5 g6 44. Nh6 Rd7 45. Qc5 Ka6 46. Ng4 Qc4 47. Qf8 b3 48. Qc8+ Kb6 49. Qxd7 Be6 50. Qd8+ Kb5 51. Nxf6 Ka4 52. Ne8 b2 53. Qd1+ Ka3 54. Nd6 Qb3 55. Qe1 a4 56. Qb1 Qe3 57. Qd1 0-1

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.15"]
[Round "5"]
[White "Oyarzu, Eduardo"]
[Black "Gonzalez, Domingo"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1817"]
[BlackElo "1720"]
[PlyCount "77"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nbd7 10. Nxc7 Rb8 11. 0-0-0 h6 12. Bh4 g5 13. Bf2 b6 14. Ne2 Bb7 15. Nc3 Rbc8 16. N7b5 Ra8 17. Nd6 Bc6 18. Be2 Ne8 19. Nf5 Bf8 20. Nd5 Bxd5 21. cxd5 Nd6 22. g4 Rdc8+ 23. Kb1 Nc5 24. Rc1 Nxf5 25. gxf5 Kg7 26. Rc2 Rd8 27. h4 f6 28. b4 Nd7 29. hxg5 fxg5 30. a3 Nf6 31. Ba6 Rab8 32. Kc1 h5 33. Be3 g4 34. Bg5 Rd6 35. Rc7+ Kg8 36. fxg4 Nxg4 37. Rxh5 Nf6 38. Bxf6 Rxf6 39. Bc8 1-0

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.13"]
[Round "4"]
[White "Medina, Gustavo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1990"]
[BlackElo "1817"]
[PlyCount "67"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Be3 Ne7 6. Nf3 Bf5 7. 0-0 0-0 8. Nc3 c6 9. Ne2 h6 10. Ng3 Bxd3 11. Qxd3 Nd7 12. Nh5 Ng6 13. Qd2 Nf6 14. Nxg7 Ne4 15. Qc1 Kxg7 16. Bxh6+ Kh7 17. Bxf8 Qxf8 18. Ng5+ Nxg5 19. Qxg5 Qh6 20. Qxh6+ Kxh6 21. Rae1 Nf4 22. g3 Ne6 23. c3 a5 24. Re3 Kg7 25. Kg2 a4 26. Rfe1 Nf8 27. Re8 Ra6 28. f4 Rb6 29. R1e2 Nh7 30. Ra8 a3 31. b4 Ra6 32. Rxa6 bxa6 33. Re8 Nf6 34. Rc8 1-0

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.11"]
[Round "3"]
[White "Oyarzu, Eduardo"]
[Black "Uncal, Jose"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "1817"]
[BlackElo "1938"]
[PlyCount "51"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Nf6 5. e4 Nbd7 6. Bd3 Be7 7. Be3 a6 8. f3 0-0 9. g4 Ne8 10. Nge2 Bg5 11. Qd2 Bxe3 12. Qxe3 Qa5 13. h4 Nb6 14. b3 Bd7 15. Kf2 Nc8 16. a4 Nf6 17. Rag1 Qd8 18. Ng3 Bxg4 19. Nf5 Bxf5 20. exf5 Ne8 21. Rg4 Rb8 22. Rhg1 Kh8 23. Ke2 Rg8 24. Qh6 Qf6 25. Qe3 Qe7 26. Qh6 1/2-1/2

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.06"]
[Round "2"]
[White "Oyarzu, Eduardo"]
[Black "Herrera, Pablo"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1817"]
[BlackElo "1989"]
[PlyCount "47"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 d5 6. e3 0-0 7. Bd3 Nbd7 8. cxd5 exd5 9. Nf3 Qe7 10. Rc1 c6 11. Qc2 Re8 12. 0-0 Nf8 13. Na4 Ng6 14. Nc5 b6 15. Nb3 Bb7 16. Rfe1 a5 17. Nbd2 Ne4 18. Nf1 Rac8 19. Qe2 Rc7 20. Ng3 Qf6 21. Qc2 c5 22. Qa4 Bc6 23. Bb5 Nxg3 24. hxg3 1/2-1/2

[Event "Moron Philidor CC op 17th"]
[Site "Moron"]
[Date "2018.09.04"]
[Round "1"]
[White "Francisco, Diego Hernan"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1817"]
[PlyCount "70"]
[EventDate "2018.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 d4 4. Nb5 Bc5 5. d3 a6 6. b4 Bxb4+ 7. Nd2 axb5 8. Rb1 Nc6 9. g3 e5 10. Bg2 Nge7 11. 0-0 Rxa2 12. Rb2 Rxb2 13. Bxb2 0-0 14. f4 f6 15. Rf2 Bxd2 16. Qxd2 b4 17. f5 Qd6 18. Qe2 Bd7 19. Bc1 Ra8 20. Qg4 Ra1 21. Rf1 Kh8 22. Bd2 Rxf1+ 23. Bxf1 Qc5 24. Qd1 Na7 25. Qb1 Nec6 26. Qb3 Qe7 27. Qc4 Be8 28. Be2 Bf7 29. Qxf7 Qxf7 30. Bg4 Qa2 31. Kg2 Qxc2 32. Kh3 Qxd2 33. Bf3 b3 34. g4 b2 35. Kh4 Qxh2# 0-1

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.28"]
[Round "7"]
[White "Ardiles, Manuel"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "1742"]
[BlackElo "1833"]
[PlyCount "120"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. c4 Bg7 4. Nc3 d5 5. b3 0-0 6. Ba3 b6 7. cxd5 c5 8. dxc6 Nxc6 9. Rc1 Re8 10. Be2 a6 11. Bf3 Bb7 12. Nge2 Qd7 13. Na4 Qc7 14. 0-0 e6 15. Qd2 Rac8 16. Bxc6 Bxc6 17. d5 Nxd5 18. Nd4 Qb7 19. Nxc6 Rxc6 20. e4 Nf6 21. f3 h5 22. Qf2 b5 23. Rxc6 Qxc6 24. Rc1 Qa8 25. Nb6 Qd8 26. e5 Nd5 27. Rc8 Qxc8 28. Nxc8 Rxc8 29. f4 b4 30. Bb2 Bf8 31. h3 Nc3 32. Qf1 a5 33. Qa6 Rc5 34. a3 Rd5 35. axb4 Bxb4 36. Bxc3 Bxc3 37. Qc8+ Kg7 38. Qxc3 Kf8 39. Kf2 Kg7 40. g4 hxg4 41. hxg4 Rb5 42. Kg3 Rd5 43. Kh4 Kh6 44. Qc8 Kg7 45. Qe8 Rd4 46. Kg5 Rb4 47. Qe7 Rxb3 48. Qf6+ Kg8 49. Qd8+ Kg7 50. Qxa5 Rf3 51. Qd2 Rh3 52. Qd4 Rf3 53. Qd1 Rh3 54. f5 gxf5 55. gxf5 exf5 56. Kxf5 Rh6 57. Qg4+ Rg6 58. Qxg6+ fxg6+ 59. Ke6 g5 60. Kd7 g4 1/2-1/2

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.26"]
[Round "6"]
[White "Oyarzu, Eduardo"]
[Black "Biancosino, Rafael"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1833"]
[BlackElo "2048"]
[PlyCount "44"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 g6 3. e4 fxe4 4. f3 e3 5. Bxe3 Nf6 6. Qd2 Nc6 7. h4 d5 8. Nh3 Bxh3 9. Rxh3 Qd7 10. 0-0-0 0-0-0 11. Bd3 Bg7 12. Ne2 e5 13. c3 e4 14. Bc2 Na5 15. Bh6 e3 16. Bxe3 Nc4 17. Qd3 Rde8 18. Bg1 Re6 19. Nf4 Bh6 20. g3 Re7 21. b3 Qxh3 22. bxc4 Qxg3 0-1

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.24"]
[Round "5"]
[White "Wald, Gabriel"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1838"]
[BlackElo "1833"]
[PlyCount "35"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. e3 d5 5. Be2 c5 6. c3 0-0 7. 0-0 Nc6 8. Nbd2 cxd4 9. exd4 Nh5 10. Bg5 Qd6 11. Rc1 f6 12. Bh4 e5 13. dxe5 fxe5 14. Ne4 Qe6 15. Nfg5 Qd7 16. Nc5 Qc7 17. Qxd5+ Kh8 18. Bxh5 1-0

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.21"]
[Round "3"]
[White "Boh, Luis Maximo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1553"]
[BlackElo "1833"]
[PlyCount "48"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nd7 9. 0-0 0-0 10. Bxd7 Bxd7 11. h3 Qc7 12. Be3 Bc6 13. e5 Rfd8 14. Rc1 Qa5 15. Qb3 Bd5 16. Qb2 Qxa2 17. Qxa2 Bxa2 18. Nd2 Bd5 19. f4 cxd4 20. cxd4 Rdc8 21. Ra1 e6 22. Rfb1 a5 23. Ra3 Bf8 24. Raa1 a4 0-1

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.21"]
[Round "4"]
[White "Oyarzu, Eduardo"]
[Black "Edgar, Roberto"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1833"]
[BlackElo "2007"]
[PlyCount "65"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 Bf5 6. Bxc4 e6 7. 0-0 Nbd7 8. a3 Bd6 9. Qe2 Bg4 10. e4 e5 11. d5 cxd5 12. Nxd5 Rc8 13. Bg5 h6 14. Nxf6+ Nxf6 15. Bb5+ Kf8 16. Bh4 g5 17. Bg3 Kg7 18. Rfd1 Qb6 19. b4 Rc3 20. Qb2 Bxf3 21. Rxd6 Qxd6 22. Qxc3 Bxe4 23. Bxe5 Qe6 24. Bd7 Qe7 25. Re1 Bd5 26. Bd4 Qd6 27. Bf5 Rd8 28. Bxa7 b6 29. Qd4 Ra8 30. Bxb6 Rxa3 31. Bc5 Qb8 32. b5 Ra5 33. Be7 1-0

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.19"]
[Round "2"]
[White "Oyarzu, Eduardo"]
[Black "Granillo, Eloy Hernan"]
[Result "0-1"]
[ECO "D06"]
[WhiteElo "1833"]
[BlackElo "1364"]
[PlyCount "112"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 e6 6. Be3 Nc6 7. a3 Be7 8. Bb5 Bd7 9. Bd3 h6 10. e5 Nd5 11. Nxd5 exd5 12. Qb3 Nxd4 13. Bxd4 c5 14. Bc3 c4 15. Bxc4 dxc4 16. Qxc4 Rc8 17. Qd3 Qb6 18. Ne2 Bb5 19. Qf3 0-0 20. 0-0 Qg6 21. Rfe1 Bc6 22. Qg3 Bc5 23. Rad1 Rcd8 24. Bd4 Bxd4 25. Nxd4 Qh5 26. f3 Bd7 27. Qf4 Qg6 28. Kh1 Qb6 29. Rd2 Qa5 30. Red1 Rfe8 31. Re1 Be6 32. b4 Qxa3 33. Nxe6 Rxd2 34. Qxd2 Rxe6 35. h3 Rb6 36. Re4 Re6 37. Kh2 Qa1 38. f4 Rg6 39. f5 Ra6 40. Re1 Qa2 41. Qf4 Qd5 42. Re2 Qd1 43. Rd2 Qh5 44. Qe4 Qg5 45. Rd3 Qe7 46. Rc3 Qd7 47. Rd3 Qe7 48. Rc3 Qd7 49. Rg3 Ra1 50. Qf4 Qd1 51. Re3 Qg1+ 52. Kg3 Ra2 53. Qf3 Rxg2+ 54. Kh4 Rg5 55. Rd3 Qb6 56. Qe4 Qf2+ 0-1

[Event "Moron Amateur-ch"]
[Site "Moron"]
[Date "2018.07.17"]
[Round "1"]
[White "Diaz, Adolfo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "1333"]
[BlackElo "1833"]
[PlyCount "52"]
[EventDate "2018.07.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 d5 5. c5 0-0 6. e3 Re8 7. h3 c6 8. Be2 Nbd7 9. 0-0 e5 10. a3 exd4 11. exd4 Ne4 12. Qc2 Ndf6 13. Nh2 Bf5 14. Nxe4 Nxe4 15. Qd1 h5 16. Be3 Qe7 17. Nf3 Nxf2 18. Rxf2 Qxe3 19. Qd2 Qxd2 20. Nxd2 Bxd4 21. Kf1 Bxf2 22. Kxf2 Re7 23. Re1 Rae8 24. b4 Bd3 25. Bf1 Rxe1 26. Bxd3 Rd1 0-1

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.01"]
[Round "1.2"]
[White "Oyarzu, Eduardo"]
[Black "Cabrera, Matias"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1913"]
[BlackElo "2015"]
[PlyCount "89"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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 d6 3. g3 Nf6 4. d3 Nc6 5. Bg2 g6 6. 0-0 Bg7 7. Re1 0-0 8. c3 Bg4 9. Nbd2 Qc8 10. Nf1 Ne5 11. Ne3 c4 12. Nxg4 Nfxg4 13. Nxe5 Nxe5 14. dxc4 Nxc4 15. Qb3 Qc7 16. Bf1 Ne5 17. Be2 h5 18. Kg2 Rad8 19. h3 Qc6 20. Bb5 Qc8 21. Bg5 a6 22. Bf1 Qc7 23. Rad1 Nd7 24. Bxe7 Nc5 25. Bxd8 Rxd8 26. Qd5 Ne6 27. Bc4 h4 28. Rd3 hxg3 29. fxg3 Be5 30. Rf1 Kg7 31. Rdf3 Rf8 32. Bb3 Ng5 33. R3f2 Qd7 34. g4 f6 35. Qd3 Rh8 36. Rh1 Nxh3 37. Rxh3 Qxg4+ 38. Rg3 Qh4 39. Rxg6+ Kxg6 40. Kf1 Qh1+ 41. Ke2 Rh2 42. Bd5 Rxf2+ 43. Kxf2 Qh2+ 44. Ke1 b5 45. Qe2 1/2-1/2

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "2.4"]
[White "Ducros, Marcelo Raul"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2040"]
[BlackElo "1913"]
[PlyCount "108"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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. Bf4 g6 3. Nf3 Bg7 4. e3 d5 5. Be2 c5 6. 0-0 0-0 7. Nbd2 Nh5 8. Be5 f6 9. Bg3 Nxg3 10. hxg3 cxd4 11. exd4 Nc6 12. Nb3 b6 13. c4 Be6 14. c5 Bd7 15. Rc1 e6 16. Ne1 f5 17. f4 bxc5 18. Rxc5 Qb6 19. Nf3 a5 20. Rb5 Qa7 21. Kh2 a4 22. Nc5 Nxd4 23. Nxd7 Nxf3+ 24. Bxf3 Qxd7 25. Qe2 Rab8 26. Rxb8 Rxb8 27. Re1 Kf7 28. Rb1 Qb5 29. Qc2 Qc4 30. Qxc4 dxc4 31. Rc1 Rxb2 32. Rxc4 Rxa2 33. Rc7+ Kf6 34. Ra7 a3 35. Bc6 Bf8 36. Ra6 Rd2 37. Bb5 h6 38. Bc4 Bd6 39. Bb3 g5 40. Kg1 Bc5+ 41. Kf1 Rd6 42. Ra8 Rd3 43. Bc4 Rxg3 44. Ra6 Re3 45. fxg5+ hxg5 46. Rc6 Bd4 47. Ra6 g4 48. Rd6 Bc5 49. Rc6 Re5 50. g3 Ke7 51. Kg2 Bd6 52. Ra6 Re3 53. Ra7+ Kf6 54. Ra6 Bxg3 0-1

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "7.3"]
[White "Gerola, Pablo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2066"]
[BlackElo "1913"]
[PlyCount "45"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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. e5 c5 4. c3 Nc6 5. Ne2 Qb6 6. f4 Nh6 7. g3 cxd4 8. cxd4 Nf5 9. Nbc3 Nfxd4 10. Nxd4 Qxd4 11. Qxd4 Nxd4 12. Kf2 Nc2 13. Rb1 Bc5+ 14. Kg2 Bd7 15. Bb5 Bc6 16. a3 Ne3+ 17. Bxe3 Bxe3 18. Kf3 Bb6 19. Rbc1 Rc8 20. Bxc6+ bxc6 21. b4 c5 22. bxc5 Rxc5 23. Nb5 0-1

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "5.2"]
[White "Herrera, Pablo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2080"]
[BlackElo "1913"]
[PlyCount "59"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. d4 c6 4. Bg2 g6 5. Qb3 dxc4 6. Qxc4 Be6 7. Qc2 Qxd4 8. Nf3 Qc4 9. Nc3 Bg7 10. Ng5 Bc8 11. b3 Qa6 12. 0-0 h6 13. Nf3 Bf5 14. Qd2 Ne4 15. Nxe4 Bxa1 16. Nd4 Nd7 17. Nxf5 gxf5 18. Qxd7+ Kxd7 19. Nc5+ Kc8 20. Nxa6 bxa6 21. Be3 Bg7 22. Bxc6 Kc7 23. Bxa8 Rxa8 24. Rc1+ Kb7 25. Rc4 Rd8 26. Kg2 e6 27. Rb4+ Ka8 28. Kf3 Bf6 29. Rc4 h5 30. Rc7 1-0

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "6.3"]
[White "Oyarzu, Eduardo"]
[Black "Roguin, Nestor H"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1913"]
[BlackElo "2006"]
[PlyCount "94"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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. f3 0-0 5. e4 d6 6. Bg5 Nc6 7. Qd2 e5 8. d5 Nd4 9. Nge2 c5 10. dxc6 bxc6 11. 0-0-0 Qa5 12. Kb1 Be6 13. Bxf6 Bxf6 14. Nxd4 exd4 15. Nd5 Qxd2 16. Nxf6+ Kg7 17. Nh5+ gxh5 18. Rxd2 c5 19. Bd3 Rab8 20. Re1 f6 21. Kc2 Rb7 22. Rf2 a5 23. b3 a4 24. f4 axb3+ 25. axb3 Rfb8 26. Rb1 Bd7 27. Be2 Bc6 28. Bf3 Ba4 29. Ra1 Bxb3+ 30. Kd3 Rb4 31. Rc1 Ba4 32. Ra2 Rb3+ 33. Kd2 Rb2+ 34. Rxb2 Rxb2+ 35. Kd3 h4 36. e5 dxe5 37. fxe5 fxe5 38. Ke4 Bc6+ 39. Kxe5 Bxf3 40. gxf3 Rxh2 41. Kd5 d3 42. Kxc5 Rc2 43. Rd1 d2 44. Kd4 h3 45. c5 h2 46. c6 Rc1 47. c7 h1Q 0-1

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "3.1"]
[White "Oyarzu, Eduardo"]
[Black "Ruiz Diaz, Alfredo"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1913"]
[BlackElo "1978"]
[PlyCount "59"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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. Nf3 e6 3. c4 c6 4. Nc3 Bd6 5. cxd5 exd5 6. Qc2 Nf6 7. Bg5 Be6 8. e3 Nbd7 9. Bd3 Qc7 10. Bh4 a6 11. Bg3 h6 12. 0-0 0-0-0 13. b4 Kb8 14. a4 Bxg3 15. hxg3 Rc8 16. Rfc1 g5 17. Qb2 Qd6 18. b5 a5 19. bxc6 Rxc6 20. Rcb1 b6 21. Ra3 g4 22. Nb5 Qe7 23. Ne5 Nxe5 24. dxe5 Nd7 25. Nd4 Rc7 26. Rb3 Qc5 27. Bb5 Rd8 28. Bxd7 Rdxd7 29. Rxb6+ Ka7 30. Rb5 1-0

[Event "Moron Philidor CC-ch 1st"]
[Site "Moron"]
[Date "2018.05.??"]
[Round "4.4"]
[White "Oyarzu, Eduardo"]
[Black "Wald, Gabriel"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1913"]
[BlackElo "2023"]
[PlyCount "44"]
[EventDate "2018.05.01"]
[EventType "tourn"]
[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 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 Qe7 8. Qd5 Qa3 9. Rc1 f6 10. exf6 Nxf6 11. Qd2 d6 12. e3 0-0 13. Bd3 Bg4 14. Nd4 Ne5 15. 0-0 Qc5 16. h3 Bd7 17. Rb1 b6 18. Qe2 Rae8 19. Bg3 Nxd3 20. Qxd3 Ne4 21. Ne2 Bf5 22. Rb5 Nxg3 0-1

[Event "Villa Ballester op 68th"]
[Site "Villa Ballester"]
[Date "2018.01.19"]
[Round "1.3"]
[White "Paveto, Kevin"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2407"]
[BlackElo "1866"]
[PlyCount "34"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bd3 c5 4. exd5 Qxd5 5. Nc3 Qd8 6. Nf3 Nc6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. Nb5 Qb8 10. dxc5 Nf6 11. Nd6+ Kf8 12. Ng5 Nd8 13. Bb5 a6 14. Ba4 Qc7 15. b4 Nd5 16. Qd4 h6 17. Nge4 f5 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2017.12.??"]
[Round "6.2"]
[White "Edgar, Roberto"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A93"]
[WhiteElo "2048"]
[BlackElo "1913"]
[PlyCount "59"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. d4 e6 4. g3 Be7 5. Bg2 c6 6. Qc2 0-0 7. 0-0 Ne4 8. Nbd2 f5 9. b3 Nd7 10. Bb2 b6 11. Rac1 Bb7 12. Rfd1 Rc8 13. Nxe4 fxe4 14. Ne5 Nxe5 15. dxe5 Qe8 16. e3 Qg6 17. Qe2 Qf5 18. Rf1 dxc4 19. Qxc4 c5 20. Rcd1 Rcd8 21. Rxd8 Bxd8 22. b4 cxb4 23. h4 Be7 24. Qc7 Ba6 25. Rd1 Qxf2+ 26. Kh1 Bxh4 27. gxh4 Qxh4+ 28. Kg1 Qf2+ 29. Kh1 Qxb2 30. Rd7 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2017.12.??"]
[Round "4.2"]
[White "Oyarzu, Eduardo"]
[Black "Gutierrez, Ezequiel"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "1913"]
[BlackElo "2031"]
[PlyCount "26"]
[EventDate "2017.12.04"]
[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 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 0-0 7. 0-0 c6 8. b3 Nbd7 9. Bb2 e5 10. e3 Qc7 11. Qc2 Re8 12. Rac1 e4 13. Nd2 Nf8 1/2-1/2

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2017.12.??"]
[Round "3.4"]
[White "Oyarzu, Eduardo"]
[Black "Uncal, Jose"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "1913"]
[BlackElo "2020"]
[PlyCount "39"]
[EventDate "2017.12.04"]
[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. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Nbd7 6. Nf3 Be7 7. Bd3 0-0 8. h3 a6 9. Qe2 Ne8 10. g4 g6 11. Bh6 Ng7 12. Qd2 Nf6 13. 0-0-0 Kh8 14. Rdg1 Ng8 15. h4 Bd7 16. h5 Rb8 17. Rg2 Nf6 18. Bxg7+ Kxg7 19. hxg6 fxg6 20. Qh6+ 1-0

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2017.12.??"]
[Round "2.3"]
[White "Roguin, Nestor H"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2017"]
[BlackElo "1913"]
[PlyCount "45"]
[EventDate "2017.12.04"]
[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. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Nf3 Bg7 7. Bf4 Nc6 8. e3 0-0 9. Be2 Nd5 10. Nxd5 Qxd5 11. Bxc7 Bf5 12. 0-0 Rac8 13. Be5 Nxe5 14. Nxe5 Bxe5 15. dxe5 Qxe5 16. Bf3 Bc2 17. Qd4 Qxd4 18. exd4 Rfd8 19. Bxb7 Rb8 20. Bf3 Rxb2 21. d5 Bd3 22. Rfe1 Kf8 23. Rac1 1/2-1/2

[Event "Buenos Aires Philidor CC Christmas"]
[Site "Buenos Aires"]
[Date "2017.12.??"]
[Round "5.3"]
[White "Ruiz Diaz, Alfredo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1978"]
[BlackElo "1913"]
[PlyCount "62"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 Ne7 6. dxc5 Nbc6 7. Bd2 0-0 8. Nf3 f5 9. Qg3 Ng6 10. Bd3 Bxc5 11. h4 f4 12. Qh2 Ngxe5 13. Nxe5 Nxe5 14. f3 Nxd3+ 15. cxd3 e5 16. 0-0-0 Bf5 17. g3 Be3 18. gxf4 exf4 19. Bxe3 fxe3 20. Qe5 Rc8 21. Kb1 d4 22. Ne2 Rc4 23. Ka1 Rb4 24. Rhg1 Qf6 25. Qc5 Qb6 26. Qe5 g6 27. h5 Rxb2 28. h6 Rxa2+ 29. Kxa2 Be6+ 30. Ka1 Qa6+ 31. Kb1 Qa2+ 0-1

[Event "Buenos Aires Philidor CC op"]
[Site "Buenos Aires"]
[Date "2017.11.23"]
[Round "6"]
[White "Granillo, Eloy Hernan"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "1614"]
[BlackElo "1913"]
[PlyCount "45"]
[EventDate "2017.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Qc7 6. Nc3 Nf6 7. Bg5 Nxe4 8. Nxe4 Qe5 9. f3 d5 10. Qd2 dxe4 11. 0-0-0 Nd7 12. Bf4 Qf6 13. Bc7 e5 14. Nb3 Qc6 15. Bxe5 Be7 16. Bxg7 Rg8 17. Bc3 exf3 18. gxf3 Qxf3 19. Re1 Nf8 20. Bc4 Ne6 21. Rhf1 Qxf1 22. Bxf1 Bg5 23. Re3 1-0

[Event "Buenos Aires Philidor CC op"]
[Site "Buenos Aires"]
[Date "2017.11.21"]
[Round "5"]
[White "Oyarzu, Eduardo"]
[Black "Schafer, Marcelo"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1913"]
[BlackElo "1881"]
[PlyCount "66"]
[EventDate "2017.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Qe7 7. Qd5 Bxc3+ 8. bxc3 f6 9. exf6 Nxf6 10. Qd3 d6 11. g3 0-0 12. Bg2 Be6 13. Nd4 Bd7 14. 0-0 Rab8 15. Nb5 Be6 16. c5 Rbd8 17. cxd6 cxd6 18. Bxd6 Qf7 19. Qc2 Rfe8 20. Ba3 Qh5 21. Nd6 Re7 22. Ne4 Rf7 23. Nxf6+ Rxf6 24. Rad1 Re8 25. Bf3 Qh3 26. Bc1 Ne5 27. Bg2 Qh5 28. h4 Bf5 29. e4 Bg4 30. Rd5 Bf3 31. Bf4 Rxf4 32. Rxe5 Rxe5 33. Qb3+ Rf7 0-1

[Event "Buenos Aires Philidor CC op"]
[Site "Buenos Aires"]
[Date "2017.11.16"]
[Round "4"]
[White "Gonzalez, Domingo"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1978"]
[BlackElo "1913"]
[PlyCount "46"]
[EventDate "2017.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. 0-0 c6 8. Nc3 Nxc3 9. bxc3 c5 10. Rb1 Nc6 11. Qd3 cxd4 12. cxd4 Bxd4 13. Nxd4 Qxd4 14. Qxd4 Nxd4 15. e3 Ne2+ 16. Kh1 Nc3 17. Rb2 Rb8 18. Rb3 Na4 19. Ba3 Re8 20. Bc6 Bh3 21. Bxe8 Rxe8 22. Rc1 Nb6 23. Rd3 Be6 1/2-1/2

[Event "Buenos Aires Philidor CC op"]
[Site "Buenos Aires"]
[Date "2017.11.09"]
[Round "2"]
[White "Koch, Juan Enrique"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2054"]
[BlackElo "1913"]
[PlyCount "49"]
[EventDate "2017.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 0-0 9. Bg5 a6 10. Rfd1 h6 11. Bxf6 Bxf6 12. Qf4 Be7 13. Ne4 Bxe4 14. Qxe4 Ra7 15. Ne5 Qc7 16. f4 d6 17. Nd3 Rc8 18. Rac1 Nd7 19. Qf3 Nf6 20. e4 b5 21. e5 Qb6+ 22. c5 dxc5 23. exf6 Bxf6 24. Ne5 Qa5 25. Nc6 1-0

[Event "Buenos Aires Philidor CC op"]
[Site "Buenos Aires"]
[Date "2017.11.07"]
[Round "1"]
[White "Oyarzu, Eduardo"]
[Black "Vega, Fernando"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1913"]
[BlackElo "2086"]
[PlyCount "47"]
[EventDate "2017.11.07"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. Qc2 Nbd7 7. e3 c6 8. Nf3 Nh5 9. Bxe7 Qxe7 10. Bd3 Nf4 11. 0-0 Nxd3 12. Qxd3 0-0 13. Na4 Nf6 14. Rac1 Ne4 15. Nd2 Bf5 16. Nxe4 Bxe4 17. Qd2 Rae8 18. f3 Bf5 19. Rfe1 Qg5 20. Nc5 Re7 21. Nd3 Bxd3 22. Qxd3 f5 23. f4 Qg4 24. b4 1/2-1/2

[Event "Villa Martelli ProAm op 24th"]
[Site "Villa Martelli"]
[Date "2017.10.06"]
[Round "7"]
[White "Oyarzu, Eduardo"]
[Black "Montes de Oca, Juan Jose"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1863"]
[BlackElo "2042"]
[PlyCount "76"]
[EventDate "2017.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 b6 5. Nf3 Qc7 6. Qd3 Ba6 7. e4 Nc6 8. Bd2 e6 9. Na3 Ne5 10. Qd4 Nc6 11. Qd3 Bc5 12. Nb5 Bxb5 13. cxb5 Ne5 14. Nxe5 Qxe5 15. f3 Qxb2 16. Qc3 Bd4 17. Qxb2 Bxb2 18. Rb1 Ba3 19. Bc3 Ke7 20. Kd2 Rhd8 21. Bxf6+ Kxf6 22. Rb3 Bd6 23. g3 g5 24. Bd3 Rac8 25. Rd1 Kg7 26. Ke2 Rc5 27. Ke3 Bb8 28. Be2 f5 29. Bd3 d5 30. Bb1 Kf6 31. exf5 exf5 32. Bd3 h6 33. Kd2 Re8 34. Rbb1 f4 35. g4 Re3 36. Be2 Ra3 37. Rb2 Be5 38. Rc2 Rxc2+ 0-1

[Event "Villa Martelli ProAm op 24th"]
[Site "Villa Martelli"]
[Date "2017.10.05"]
[Round "6"]
[White "Oyarzu, Eduardo"]
[Black "Duran, Diego"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1863"]
[BlackElo "1667"]
[PlyCount "89"]
[EventDate "2017.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nc3 Bxc3+ 6. bxc3 Nc6 7. Nf3 Qe7 8. Qd5 Qa3 9. Rc1 Ne7 10. Qd2 Ng6 11. Bg3 0-0 12. h3 Nh6 13. e6 d6 14. exf7+ Nxf7 15. e3 Bf5 16. Nd4 Nfe5 17. Nxf5 Rxf5 18. Rb1 Rb8 19. Rb3 Qa4 20. Rb4 Qd7 21. Rxb7 Rbf8 22. f4 Nc6 23. Be2 Qe8 24. 0-0 Kh8 25. Rxc7 h5 26. Bf3 Nd8 27. Rxa7 Nc6 28. Bxc6 Qxc6 29. Rb1 h4 30. Qd4 R8f7 31. Rxf7 Rxf7 32. Bf2 Ne7 33. Rb5 Nf5 34. Qd5 Qe8 35. Qf3 g6 36. Ra5 Kg7 37. e4 Ng3 38. Bxg3 hxg3 39. Rg5 Rb7 40. Rxg3 Rb1+ 41. Kh2 Re1 42. f5 Qe5 43. Qg4 Re3 44. Qxg6+ Kf8 45. Qh6+ 1-0

[Event "Villa Martelli ProAm op 24th"]
[Site "Villa Martelli"]
[Date "2017.10.03"]
[Round "4"]
[White "Casal, Ray Laura"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1863"]
[PlyCount "64"]
[EventDate "2017.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 c5 5. c3 0-0 6. Be2 d5 7. Nbd2 Nc6 8. 0-0 Qb6 9. Qc2 Bf5 10. Qb3 c4 11. Qxb6 axb6 12. Ne5 Nh5 13. g4 Nxf4 14. exf4 Be6 15. Nxc6 bxc6 16. Rfe1 c5 17. dxc5 bxc5 18. Bf3 Rab8 19. f5 Rxb2 20. fxe6 Rxd2 21. exf7+ Rxf7 22. a4 Bxc3 23. Bg2 Rfxf2 24. Rab1 Rxg2+ 25. Kh1 Rxh2+ 26. Kg1 Rdg2+ 27. Kf1 Bd4 28. Rb8+ Kf7 29. Rxe7+ Kxe7 30. Rb7+ Kd6 31. Rb6+ Kc7 32. a5 Rg1# 0-1

[Event "Villa Martelli ProAm op 24th"]
[Site "Villa Martelli"]
[Date "2017.10.02"]
[Round "3"]
[White "Oyarzu, Eduardo"]
[Black "Arias, Maria Paula"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1863"]
[BlackElo "1606"]
[PlyCount "48"]
[EventDate "2017.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 e6 4. e3 Be7 5. Bd3 0-0 6. Bxf6 Bxf6 7. Qf3 Nc6 8. a3 a6 9. Nge2 Qe7 10. Nf4 d6 11. 0-0-0 g6 12. Bc4 Bd7 13. Ncd5 Qd8 14. Nxf6+ Rxf6 15. Qg3 d5 16. Bd3 Qe7 17. h4 Qg7 18. Nh3 Be8 19. Rdf1 Rd8 20. Qh2 h5 21. f3 Qh6 22. Ng5 Rd7 23. Qf4 Qf8 24. Qh2 Qd6 1/2-1/2

[Event "Villa Martelli ProAm op 24th"]
[Site "Villa Martelli"]
[Date "2017.10.01"]
[Round "1"]
[White "Mareco, Sandro"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2644"]
[BlackElo "1863"]
[PlyCount "27"]
[EventDate "2017.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 a6 9. Be3 Bc5 10. Qf4 d6 11. Bxc5 dxc5 12. Rad1 Nbd7 13. Ne5 Bxg2 14. Rxd7 1-0

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.23"]
[Round "7"]
[White "Oyarzu, Eduardo"]
[Black "Herrera, Pablo"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1877"]
[BlackElo "2012"]
[PlyCount "40"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nc3 f5 5. Qc2 Nf6 6. a3 Bxc3 7. Bxc3 Ne4 8. Nf3 d6 9. g3 0-0 10. Nd2 Nxc3 11. Qxc3 e5 12. 0-0-0 exd4 13. Qxd4 Nc6 14. Qc3 Qe5 15. Qxe5 Nxe5 16. Bg2 f4 17. Bd5+ Kh8 18. Nf3 Ng4 19. Rhf1 Nf6 20. Rd2 c6 0-1

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.21"]
[Round "6"]
[White "Ardiles, Manuel"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1785"]
[BlackElo "1877"]
[PlyCount "90"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. Bb5 d5 5. exd5 Qxd5 6. 0-0 a6 7. c4 Qd8 8. Bxc6+ bxc6 9. Ne5 Bd6 10. Qe2 Ne7 11. Nc3 0-0 12. b3 Nf5 13. f4 Nd4 14. Qf2 Qc7 15. Ng4 f6 16. Ne3 e5 17. f5 Bd7 18. Ne4 Be7 19. Bb2 Rfd8 20. g4 a5 21. Nc3 Be8 22. Ng2 Qb8 23. Na4 Qd6 24. Ba3 Qc7 25. Bxc5 Bxc5 26. Nxc5 Qb6 27. Ne4 a4 28. c5 Qb4 29. g5 Nc2 30. Nd6 Nxa1 31. gxf6 Ra7 32. fxg7 Qd4 33. Qxd4 exd4 34. Rxa1 axb3 35. f6 Rxa2 36. Re1 Bf7 37. Nf5 h5 38. Nh6+ Kh7 39. Nxf7 b2 40. Nf4 Ra1 41. Ng5+ Kh6 42. Nf7+ Kh7 43. Ng5+ Kg8 44. f7+ Kxg7 45. Nfe6+ Kg6 0-1

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.19"]
[Round "5"]
[White "Oyarzu, Eduardo"]
[Black "Asad, Jonathan"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1877"]
[BlackElo "1785"]
[PlyCount "110"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 d5 4. Nf3 c6 5. Bg5 Qa5+ 6. Bd2 Qc7 7. Qc2 Nf6 8. Bg2 Bd6 9. 0-0 0-0 10. c5 Be7 11. Bf4 Qd8 12. Nc3 Nh5 13. Be5 Nd7 14. e3 Nxe5 15. Nxe5 Bf6 16. Nd3 g5 17. Qe2 Ng7 18. f4 g4 19. b4 Bd7 20. a4 a6 21. Rab1 h5 22. Ne5 h4 23. Nxd7 Qxd7 24. Rfc1 hxg3 25. hxg3 Nh5 26. Kf2 Kg7 27. Rh1 Kg6 28. Rh2 Rh8 29. Rbh1 Rh7 30. Qe1 Rah8 31. Kg1 Qg7 32. Qf2 Qc7 33. Bf1 b6 34. Kg2 bxc5 35. bxc5 Qa5 36. Qc2 Ng7 37. Rxh7 Rxh7 38. Rxh7 Kxh7 39. Be2 Kh6 40. Kf2 Nh5 41. Bd1 Qb4 42. Qb3 Qa5 43. Ne2 Qd2 44. Qc2 Qb4 45. Qd3 Bd8 46. Qc3 Qb1 47. Qc1 Qe4 48. Qd2 Qf3+ 49. Kg1 Nxg3 50. Nxg3 Qxg3+ 51. Kh1 Bh4 52. Qh2 Qf2 53. Qg1 Qxg1+ 54. Kxg1 Be1 55. Be2 Kh5 0-1

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.16"]
[Round "4"]
[White "Edgar, Roberto"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1981"]
[BlackElo "1877"]
[PlyCount "77"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 e6 6. Nc3 Be7 7. Re1 d6 8. e4 0-0 9. d4 cxd4 10. Nxd4 Nfd7 11. Ndb5 Ne5 12. b3 a6 13. Nd4 Nbc6 14. Be3 Rc8 15. f4 Nxd4 16. Bxd4 Nd7 17. Qd2 Qc7 18. Rac1 Qb8 19. f5 Bf6 20. Bxf6 Nxf6 21. Bh3 Rfe8 22. Rcd1 Rcd8 23. fxe6 fxe6 24. Qe3 Bc6 25. Rd2 Qb7 26. Qf4 e5 27. Qe3 b5 28. Nd5 Nxd5 29. cxd5 Bd7 30. Bxd7 Rxd7 31. Rc2 Rc8 32. Rec1 Rxc2 33. Rxc2 Rc7 34. Qc1 Rxc2 35. Qxc2 Kf8 36. Qf2+ Ke8 37. Qf5 Qa7+ 38. Kg2 Qe3 39. Qe6+ 1-0

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.16"]
[Round "3"]
[White "Oyarzu, Eduardo"]
[Black "Di Grezia, Carmelo Ernesto Fra"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1877"]
[BlackElo "1809"]
[PlyCount "77"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 d6 6. e4 g6 7. Nf3 Nbd7 8. bxa6 Bxa6 9. Bxa6 Rxa6 10. 0-0 Bg7 11. Qe2 Ra8 12. h3 0-0 13. Bg5 h6 14. Bh4 g5 15. Bg3 Nb6 16. Nd2 Nfd7 17. f4 Na4 18. Nxa4 Rxa4 19. fxg5 hxg5 20. Nc4 Qa8 21. b3 Bxa1 22. Rxa1 Ra6 23. Qg4 Nf6 24. Qxg5+ Kh8 25. Qh4+ Nh7 26. Qxe7 Rxa2 27. Rxa2 Qxa2 28. Bxd6 Rg8 29. Be5+ f6 30. Bxf6+ Nxf6 31. Qxf6+ Kh7 32. Qh4+ Kg7 33. d6 Qxb3 34. e5 Qd1+ 35. Kh2 Rf8 36. Qe7+ Kg8 37. d7 Qd4 38. Qg5+ Kh8 39. Nd6 1-0

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.14"]
[Round "2"]
[White "Oyarzu, Eduardo"]
[Black "Valduc, Gustavo Marcelo"]
[Result "1-0"]
[ECO "D96"]
[WhiteElo "1877"]
[BlackElo "1583"]
[PlyCount "95"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Qb3 Bg7 7. Bg5 e6 8. e3 0-0 9. Bd3 Nc6 10. Ne5 h6 11. Nxc6 bxc6 12. Bh4 Qb6 13. Qc2 a5 14. 0-0 Qa7 15. Na4 Ba6 16. Rfc1 Bxd3 17. Qxd3 Rfc8 18. Rc2 g5 19. Bg3 Ne4 20. Rac1 Qa6 21. Qd1 Bf8 22. f3 Nxg3 23. hxg3 Rc7 24. Kf2 Rac8 25. Nc5 Bxc5 26. Rxc5 a4 27. Qd2 Ra8 28. Qc3 Qb6 29. g4 Rb8 30. Rc2 Qb4 31. Qxb4 Rxb4 32. Ke2 Rcb7 33. Rxc6 Rxb2 34. Kd2 Rxc2+ 35. Rxc2 Kf8 36. Kc1 Ke7 37. Rb2 Rc7+ 38. Kd2 Kd7 39. Rb4 Ra7 40. Kc2 Rc7+ 41. Kb2 Rc4 42. Rxc4 dxc4 43. Kc3 Kc6 44. Kxc4 f5 45. a3 Kb6 46. e4 fxe4 47. fxe4 Kc6 48. Kb4 1-0

[Event "Moron Philidor CC U2200 15th"]
[Site "Buenos Aires"]
[Date "2017.09.12"]
[Round "1"]
[White "Coria, Miguel"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1637"]
[BlackElo "1877"]
[PlyCount "65"]
[EventDate "2017.09.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. d4 d5 5. g3 0-0 6. Bg2 Bf5 7. 0-0 Nbd7 8. Nbd2 c6 9. Rc1 Be4 10. e3 Re8 11. Nxe4 Nxe4 12. a4 f6 13. Ba1 e5 14. dxe5 fxe5 15. c4 Nef6 16. cxd5 Nxd5 17. Qc2 a5 18. Rfd1 Qe7 19. Qc4 N7b6 20. Qc5 Qc7 21. Ng5 Qe7 22. Ne4 Qe6 23. h3 h6 24. g4 Bf8 25. Qc2 Ba3 26. Nc5 Qf7 27. Bxd5 cxd5 28. Qd3 Bxc1 29. Rxc1 Rac8 30. Bb2 Rc6 31. f4 Qe7 32. Bxe5 Kf7 33. Bd4 1/2-1/2

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.29"]
[Round "7"]
[White "Asad, Jonathan"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1789"]
[BlackElo "1856"]
[PlyCount "88"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. f4 e6 9. Bd3 Qxd4 10. Nf3 Qd6 11. Be3 Bxd3 12. cxd3 Qb4+ 13. Bd2 Qb6 14. Qe2 Bb4 15. f5 Bxd2+ 16. Nxd2 Qc7 17. Nde4 e5 18. Qg4 Kf8 19. f6 Nxf6 20. Nxf6 gxf6 21. Nf5 Rg8 22. Qb4+ c5 23. Qc3 Rg5 24. Ne3 Qd6 25. Rh4 Nc6 26. 0-0-0 Nd4 27. Kb1 Rd8 28. Nc4 Qd5 29. Ne3 Qc6 30. Qe1 f5 31. Qf2 Qe6 32. g3 Rd6 33. Nc4 Ra6 34. Re1 f6 35. b3 Qf7 36. Qg2 Kg7 37. g4 Qd7 38. Nd2 Qc6 39. Qf2 b5 40. gxf5 Nxf5 41. Rh2 Qd5 42. Qf1 Ng3 43. Qf2 Qxd3+ 44. Kc1 Rxa2 0-1

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.27"]
[Round "6"]
[White "Oyarzu, Eduardo"]
[Black "Edgar, Roberto"]
[Result "0-1"]
[ECO "D08"]
[WhiteElo "1856"]
[BlackElo "1955"]
[PlyCount "48"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd2 Bg4 6. a3 Qe7 7. h3 Bh5 8. b4 0-0-0 9. g4 Bg6 10. Bb2 h5 11. g5 f6 12. exf6 gxf6 13. Nh4 Be4 14. f3 fxg5 15. Nxe4 gxh4 16. Qa4 Kb8 17. 0-0-0 Bh6+ 18. Kb1 Be3 19. Nc5 Ne5 20. Nxb7 Kxb7 21. Qb5+ Kc8 22. f4 Nxc4 23. Qxc4 Qe4+ 24. Ka1 Qxh1 0-1

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.25"]
[Round "5"]
[White "Uncal, Jose"]
[Black "Oyarzu, Eduardo"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2020"]
[BlackElo "1856"]
[PlyCount "54"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Nc3 a6 13. Bg5 Qc7 14. Rc1 h6 15. Bd2 Bf4 16. Bb1 Bxd2 17. Qxd2 Bd7 18. Rfe1 Qd6 19. Ne5 Rae8 20. Qd3 Rf7 21. Re3 Qf8 22. f4 Qb4 23. Nxf7 Kxf7 24. Rd1 Qxb2 25. Qg6+ Kf8 26. g4 Ne7 27. Qd3 Nxg4 1/2-1/2

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.22"]
[Round "3"]
[White "Gonzalez, Domingo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "1755"]
[BlackElo "1856"]
[PlyCount "76"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Bd3 0-0 6. Nge2 c5 7. dxc5 Qa5 8. Bd2 Qxc5 9. cxd5 Nxd5 10. Rc1 Nc6 11. 0-0 Rd8 12. Bb1 Bg4 13. Qe1 Rac8 14. Nxd5 Qxd5 15. Bc3 e5 16. f3 Be6 17. Qf2 Qb5 18. b3 Nb4 19. Bxb4 Qxb4 20. Rxc8 Bxc8 21. Qe1 Qb6 22. Nc3 Bh6 23. Kf2 Bf5 24. Ne4 Rd1 25. Qe2 Rxf1+ 26. Kxf1 Bxe3 27. Nf6+ Qxf6 28. Bxf5 Qxf5 29. Qxe3 Qb1+ 30. Kf2 Qxa2+ 31. Kg3 Qa5 32. b4 Qxb4 33. Qxe5 a5 34. h4 h5 35. Qb8+ Kh7 36. Qc7 Qe1+ 37. Kh3 Qe6+ 38. Kg3 b6 0-1

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.22"]
[Round "4"]
[White "Oyarzu, Eduardo"]
[Black "Caceres, Benito"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "1856"]
[BlackElo "1834"]
[PlyCount "55"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 Ne4 8. Qc2 f5 9. Bd3 c6 10. g3 Nd7 11. cxd5 exd5 12. c4 Ndf6 13. a4 Ng4 14. 0-0 Be6 15. Rb1 b6 16. h3 Ngf6 17. Ba3 Re8 18. Ne5 Qc8 19. c5 bxc5 20. Bxc5 f4 21. exf4 Bxh3 22. Rfe1 Re6 23. f3 Nxg3 24. Qh2 Rxe5 25. Rxe5 Nfh5 26. Rbe1 Bd7 27. Rxh5 Nxh5 28. Qxh5 1-0

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.20"]
[Round "2"]
[White "Oyarzu, Eduardo"]
[Black "Conde, Adrian"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1856"]
[BlackElo "2104"]
[PlyCount "118"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3 0-0 9. Qc2 Re8 10. 0-0 Ne4 11. Bxe4 Bxg5 12. Bxh7+ Kh8 13. Bf5 Bf6 14. b4 g6 15. Bh3 Nb6 16. Bxc8 Rxc8 17. a4 a6 18. a5 Nc4 19. Na4 Kg7 20. Nc5 Qc7 21. Rae1 Rh8 22. g3 Rcd8 23. Nd2 Nd6 24. f4 Qc8 25. Nf3 Rh3 26. Re2 Rdh8 27. Kf2 Nf5 28. Ke1 Re8 29. Ne5 Nd6 30. g4 Bxe5 31. dxe5 Nc4 32. Qc3 Qxg4 33. Ne4 dxe4 34. Qxc4 Rd8 35. Qxe4 Rxh2 36. Qf3 Qxf3 37. Rxf3 Rh1+ 38. Rf1 Rxf1+ 39. Kxf1 Rd3 40. Rc2 Rxe3 41. Rc4 g5 42. Rd4 gxf4 43. Rd7 Rxe5 44. Rxb7 Rb5 45. Rb6 Kf6 46. Rxc6+ Ke5 47. Rxa6 Rxb4 48. Ra7 f6 49. Kf2 Rb2+ 50. Kf3 Rb3+ 51. Kf2 Ra3 52. Ra8 Ke4 53. Re8+ Kf5 54. Ra8 f3 55. a6 Kf4 56. a7 Ra2+ 57. Kf1 f5 58. Re8 Rxa7 59. Re1 Kg3 0-1

[Event "Philidor CC op 14th"]
[Site "Moron"]
[Date "2017.07.18"]
[Round "1"]
[White "Conti, Claudio"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1525"]
[BlackElo "1856"]
[PlyCount "56"]
[EventDate "2017.07.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Nh6 7. dxc5 Bxc5 8. 0-0 Ng4 9. Qe2 Qc7 10. Bf4 f6 11. Bg3 Ngxe5 12. Nxe5 Nxe5 13. Bb5+ Kf7 14. Nd2 Bd6 15. Rfe1 a6 16. Ba4 b5 17. Bc2 Bd7 18. Bxe5 Bxe5 19. Nf3 Bd6 20. Nd4 Rae8 21. Qh5+ g6 22. Qh6 Bf4 23. Qh4 b4 24. Ne2 Bd6 25. Rac1 bxc3 26. Nxc3 Bf4 27. Nxd5 exd5 28. Bxg6+ hxg6 0-1

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.20"]
[Round "7.9"]
[White "Oyarzu, Eduardo"]
[Black "Navarro, Alberto"]
[Result "1-0"]
[ECO "E53"]
[WhiteElo "1872"]
[BlackElo "1786"]
[PlyCount "73"]
[EventDate "2017.05.09"]
[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 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Bxc3+ 6. bxc3 d5 7. Nf3 0-0 8. 0-0 cxd4 9. cxd4 dxc4 10. Bxc4 Nc6 11. Qe2 Re8 12. Rd1 Nd5 13. Bb2 b6 14. e4 Nf4 15. Qe3 Ng6 16. Rac1 Na5 17. Bb5 Bd7 18. Ba6 Ba4 19. Rd2 b5 20. d5 Nc4 21. Rxc4 bxc4 22. dxe6 Qe7 23. Bxc4 f6 24. h4 Qc7 25. Rd4 Bc6 26. h5 Ne5 27. Bb3 Ng4 28. Qc3 Qb6 29. Qd2 Kh8 30. Qf4 Nh6 31. g4 Qb8 32. Rd6 Nxg4 33. h6 Re7 34. e5 Bxf3 35. exf6 Rb7 36. hxg7+ Kg8 37. f7+ 1-0

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.18"]
[Round "6.15"]
[White "Frangione, Francisco"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "1730"]
[BlackElo "1872"]
[PlyCount "88"]
[EventDate "2017.05.09"]
[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 b6 5. Bd2 Ba6 6. Nce2 Bf8 7. Nf3 Nc6 8. c3 Qd7 9. b4 h6 10. h4 Nge7 11. a4 Bd3 12. Bc1 Bh7 13. Ng3 Nf5 14. Nh5 Bg6 15. Nf4 Nd8 16. Bd3 Ne7 17. Nxg6 Nxg6 18. h5 Ne7 19. g4 Ng8 20. g5 hxg5 21. Nxg5 Nh6 22. Qe2 c6 23. f4 Nb7 24. Qg2 a5 25. Bd2 0-0-0 26. bxa5 Nxa5 27. Ba6+ Kc7 28. Rb1 Qe7 29. Bd3 f5 30. Ke2 Qe8 31. Rb2 Rb8 32. Qf3 Nc4 33. Bxc4 dxc4 34. Nh3 Ng4 35. Ng5 Ra8 36. Ra1 Ra6 37. d5 cxd5 38. Be3 Nxe3 39. Qxe3 Qxh5+ 40. Nf3 Bc5 41. Qd2 Qg4 42. Kd1 Qxf3+ 43. Qe2 Rh1+ 44. Kd2 Qxf4+ 0-1

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.13"]
[Round "4.10"]
[White "Oyarzu, Eduardo"]
[Black "Rodriguez, Julio"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1872"]
[BlackElo "1700"]
[PlyCount "73"]
[EventDate "2017.05.09"]
[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 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Be7 6. Nf3 0-0 7. Qc2 h6 8. Bh4 Nbd7 9. cxd5 exd5 10. Bd3 Re8 11. 0-0 Nf8 12. h3 Nh5 13. Bxe7 Rxe7 14. b4 Be6 15. a4 Rc7 16. Rfc1 Qe7 17. Qb2 Rac8 18. Rd1 Nd7 19. b5 b6 20. bxc6 Rxc6 21. Nb5 Ra8 22. a5 a6 23. axb6 Nxb6 24. Ne5 Rcc8 25. Na3 Na4 26. Qb3 Nc3 27. Rdc1 Ne4 28. Rxc8+ Rxc8 29. Bxa6 Rc3 30. Qb2 Rc7 31. Qe2 Nhf6 32. Bd3 Ra7 33. Nc2 Rxa1+ 34. Nxa1 Qa3 35. Nc2 Qc1+ 36. Qe1 Qxe1+ 37. Nxe1 0-1

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.13"]
[Round "3.11"]
[White "Soto, Jose Andres"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1728"]
[BlackElo "1872"]
[PlyCount "40"]
[EventDate "2017.05.09"]
[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. Bd3 c5 4. exd5 Qxd5 5. Nc3 Qd8 6. Nf3 Nf6 7. 0-0 Nc6 8. Bf4 Nxd4 9. Nxd4 cxd4 10. Nb5 Nd5 11. Be5 a6 12. Nxd4 Bd7 13. c3 Qg5 14. Nf3 Qh6 15. Be4 Bc6 16. Rc1 Rd8 17. Qb3 Bd6 18. c4 Nc7 19. Bxc6+ bxc6 20. Bxd6 Rxd6 1-0

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.11"]
[Round "2.1"]
[White "Oyarzu, Eduardo"]
[Black "Conde, Adrian"]
[Result "0-1"]
[ECO "E57"]
[WhiteElo "1872"]
[BlackElo "2094"]
[PlyCount "102"]
[EventDate "2017.05.09"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 c5 8. 0-0 cxd4 9. exd4 Nc6 10. a3 Be7 11. b4 a6 12. d5 exd5 13. Nxd5 Nxd5 14. Bxd5 Bf6 15. Ra2 Ne7 16. Be4 Be6 17. Rd2 Qb6 18. Bb2 Bxb2 19. Rxb2 Rfd8 20. Rd2 Rxd2 21. Qxd2 Rd8 22. Qc2 g6 23. Re1 Bd5 24. h3 Bxe4 25. Qxe4 Nf5 26. Qc4 Nd6 27. Qb3 Qc7 28. Re3 Nc4 29. Rc3 b5 30. Qc2 Qd6 31. a4 Qxb4 32. axb5 axb5 33. Rb3 Qc5 34. Rc3 Qd5 35. Kf1 Qd1+ 36. Qxd1 Rxd1+ 37. Ke2 Rb1 38. Nd4 Rb2+ 39. Rc2 Rxc2+ 40. Nxc2 Kg7 41. Kd3 Kf6 42. Kd4 Kf5 43. Kc5 Ne5 44. Kxb5 Nd3 45. Ne3+ Kf4 46. Nd5+ Ke5 47. Kc4 Nxf2 48. Nc3 h5 49. Ne2 Ke4 50. Kc3 Ke3 51. Ng1 Ne4+ 0-1

[Event "Moron Philidor CC 13th"]
[Site "Moron"]
[Date "2017.05.09"]
[Round "1.14"]
[White "Delgado, Raul Alejandro"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1604"]
[BlackElo "1872"]
[PlyCount "64"]
[EventDate "2017.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 Bb4 5. a3 Bxc3+ 6. bxc3 0-0 7. e4 d6 8. Be2 h6 9. 0-0 Nh7 10. d4 Qe7 11. d5 Na5 12. h3 b6 13. Be3 Ba6 14. Nd2 f5 15. exf5 Rxf5 16. Bd3 Rff8 17. Qg4 Nf6 18. Qg6 Qe8 19. Qg3 Nh5 20. Qg4 Nf4 21. Bxf4 Rxf4 22. Qe2 g5 23. g3 Rf8 24. Qe4 Qf7 25. Rab1 Rae8 26. Kg2 Re7 27. Qe2 Bc8 28. Ne4 Kg7 29. f3 Qe8 30. Rf2 Ref7 31. Rh1 Bf5 32. g4 Bg6 0-1

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.21"]
[Round "7"]
[White "Oyarzu, Eduardo"]
[Black "Roguin, Nestor H"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "1865"]
[BlackElo "1926"]
[PlyCount "71"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Nc3 b4 6. Nb1 Bb7 7. dxe6 fxe6 8. Ne5 Be7 9. f3 0-0 10. g3 Qc7 11. Nd3 d5 12. Bh3 e5 13. Be6+ Kh8 14. cxd5 Nxd5 15. e4 Nf6 16. b3 Nc6 17. Nd2 Rad8 18. Bc4 Qd7 19. Bb2 Na5 20. Nxe5 Qh3 21. Qe2 Nxc4 22. Nexc4 Ba6 23. 0-0-0 Nd7 24. f4 Nb8 25. Qf2 Nc6 26. Nf3 Bxc4 27. bxc4 Qe6 28. Qe2 Na5 29. Rd5 Rfe8 30. Rhd1 Bf6 31. Ne5 Kg8 32. Rxc5 Rxd1+ 33. Kxd1 Qb6 34. Nd7 Rd8 35. Rd5 Bxb2 36. Nxb6 1-0

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.19"]
[Round "6"]
[White "Schafer, Marcelo"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1913"]
[BlackElo "1865"]
[PlyCount "104"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Bb4+ 5. Nc3 Nf6 6. Nf3 0-0 7. Bd3 dxc4 8. Bxc4 Bg4 9. Be3 Nbd7 10. h3 Bh5 11. Qb3 Qe7 12. a3 Bxc3+ 13. bxc3 Nb6 14. Ne5 Nxc4 15. Qxc4 c6 16. 0-0 Nd5 17. Bd2 f6 18. Nd3 Be2 19. Rfe1 Qe4 20. Nc5 Bxc4 21. Rxe4 b6 22. Nb7 Bd3 23. Re6 Ba6 24. Nd6 Nc7 25. Re7 Nd5 26. Re6 Nc7 27. Re3 Rad8 28. Nf5 Nd5 29. Rg3 g6 30. Re1 Rfe8 31. Ne3 Nxe3 32. Rgxe3 Rxe3 33. Rxe3 Kf7 34. f3 c5 35. Re4 Bd3 36. Rh4 g5 37. Rg4 h5 38. Rg3 h4 39. Rg4 Bf5 40. Be3 Bxg4 41. hxg4 cxd4 42. Bxd4 Rd5 43. Kf2 Ra5 44. g3 hxg3+ 45. Kxg3 Rxa3 46. f4 gxf4+ 47. Kxf4 Ra4 48. Kf5 Rxd4 49. cxd4 a5 50. d5 a4 51. d6 a3 52. d7 Ke7 0-1

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.17"]
[Round "5"]
[White "Oyarzu, Eduardo"]
[Black "Ardiles, Manuel"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1865"]
[BlackElo "1825"]
[PlyCount "62"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 0-0 7. 0-0 e5 8. Be3 h6 9. d5 a5 10. Ne1 Nc5 11. f3 Nh5 12. Qd2 Kh7 13. g4 Nf4 14. Ng2 Nh3+ 15. Kh1 f5 16. Bxc5 dxc5 17. Rad1 fxg4 18. Qe3 gxf3 19. Rxf3 Rxf3 20. Qxf3 Ra6 21. Rf1 Bd7 22. Qe3 Rb6 23. b3 Nf4 24. Qxc5 Bh3 25. Bf3 Rf6 26. Rd1 g5 27. Qe3 g4 28. Nxf4 exf4 29. Qf2 gxf3 30. e5 Bg2+ 31. Kg1 Rg6 0-1

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.14"]
[Round "3"]
[White "Asad, Jonathan"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1790"]
[BlackElo "1865"]
[PlyCount "67"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Nge7 7. 0-0 Bf5 8. Ng3 Bg6 9. Bg5 f6 10. Be3 Qd7 11. b4 Nf5 12. Nxf5 Bxf5 13. Bxf5 Qxf5 14. Nd2 0-0-0 15. a4 g5 16. a5 Ne7 17. b5 Qd3 18. b6 a6 19. bxc7 Bxc7 20. Qb3 Rd7 21. Rfb1 Bd8 22. Qb2 Nf5 23. Nb3 Be7 24. Rd1 Qc4 25. Nd2 Qc7 26. c4 Nxe3 27. fxe3 Kb8 28. cxd5 Rxd5 29. Rdb1 Qd7 30. Nc4 Rb5 31. Qf2 Qe6 32. Nb6 Bd6 33. d5 Qe5 34. Nd7+ 1-0

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.14"]
[Round "4"]
[White "Oyarzu, Eduardo"]
[Black "Raffin, Marcelo"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1865"]
[BlackElo "1659"]
[PlyCount "123"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. e3 0-0 6. Nc3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. 0-0 Re8 10. Qc2 Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. Nd2 Qd6 14. Rab1 b5 15. Rfe1 Bd8 16. f3 Bh5 17. Nf1 Bg6 18. Bxg6 Nxg6 19. Ne2 Bg5 20. Nc1 Re6 21. Nd3 Rae8 22. Qf2 Qe7 23. f4 Rf6 24. Qd2 Bh6 25. g4 Re6 26. Qf2 Qh4 27. Qxh4 Nxh4 28. g5 Bxg5 29. fxg5 Nf3+ 30. Kf2 Nxe1 31. Rxe1 Re4 32. Ne5 Re6 33. Rc1 f6 34. Rxc6 Rxc6 35. Nxc6 Re6 36. Nxa7 Ra6 37. Nxb5 Rxa2+ 38. Kf3 Rb2 39. gxf6 gxf6 40. Nc3 Rxb4 41. Nxd5 Rb8 42. Ng3 Kf7 43. Nf4 Rb2 44. h3 Rh2 45. Ne4 Ra2 46. Nd6+ Ke7 47. Nf5+ Kf7 48. Ke4 Ra5 49. d5 Ra4+ 50. Nd4 Ke7 51. Kf5 Ra3 52. e4 Ra6 53. Nh5 Rb6 54. Nc6+ Kf7 55. Nxf6 Rb3 56. Ne5+ Kg7 57. d6 Rb6 58. Nc4 Rc6 59. Na3 Kf7 60. e5 Rc3 61. d7 Ke7 62. Nd5+ 1-0

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.12"]
[Round "2"]
[White "Oyarzu, Eduardo"]
[Black "Coria, Miguel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1865"]
[BlackElo "1552"]
[PlyCount "49"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. 0-0 g6 5. d4 Bg7 6. Re1 0-0 7. Nbd2 Re8 8. c4 Nbd7 9. b4 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. Bb2 Re8 13. cxd5 cxd5 14. Nb3 Be6 15. Nd4 Qb6 16. Qb3 Red8 17. e3 Ne4 18. Red1 a6 19. Rac1 h5 20. a3 Qd6 21. Nxe6 Qxe6 22. Bxg7 Kxg7 23. Rd4 Rd6 24. Rcd1 Rad8 25. Bxe4 1-0

[Event "Buenos Aires Perez Cup"]
[Site "Buenos Aires"]
[Date "2016.05.10"]
[Round "1"]
[White "Cisneros, Juan"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C00"]
[BlackElo "1865"]
[PlyCount "39"]
[EventDate "2016.05.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "ARG"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Bb5+ c6 4. Bd3 dxe4 5. Bxe4 Nf6 6. Qe2 Bd6 7. 0-0 Nbd7 8. d4 Nxe4 9. Qxe4 Nf6 10. Qh4 Qc7 11. Bg5 Be7 12. Nc3 0-0 13. Ne4 Nxe4 14. Bxe7 Re8 15. Bb4 Nf6 16. Bd2 h6 17. Bxh6 gxh6 18. Qxf6 Kh7 19. Ne5 Rf8 20. Ng4 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.31"]
[Round "7.13"]
[White "Saez, Diego"]
[Black "Oyarzu, Eduardo"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1885"]
[BlackElo "1832"]
[PlyCount "92"]
[EventDate "2015.10.20"]
[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. exd5 exd5 4. Nf3 Bd6 5. Nc3 Ne7 6. Bg5 f6 7. Bh4 0-0 8. Bd3 c6 9. Qd2 Bf5 10. 0-0-0 Qa5 11. Kb1 b5 12. Bxf5 Nxf5 13. Qd3 Nxh4 14. Nxh4 Re8 15. Nf5 Bf8 16. g4 Na6 17. h4 b4 18. Ne2 b3 19. Nc1 bxa2+ 20. Nxa2 Rab8 21. g5 Nb4 22. Nxb4 Rxb4 23. gxf6 Rxb2+ 24. Kxb2 Rb8+ 25. Qb3 Qa3+ 26. Kc3 Rxb3+ 27. cxb3 Bb4+ 28. Kd3 Qxb3+ 29. Ke2 Qc2+ 30. Ke3 Qxf5 31. f3 Qxf6 32. Rhg1 c5 33. Rg4 c4 34. Rdg1 Qh6+ 35. f4 Be7 36. Kf3 Bf6 37. Rb1 Bxd4 38. Rb8+ Kf7 39. Rb7+ Ke8 40. Rb8+ Kd7 41. Rf8 Qe6 42. Rg5 c3 43. Rff5 Qe4+ 44. Kg3 Kc6 45. Rf8 Bf6 46. Rg4 h5 0-1

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.29"]
[Round "6.18"]
[White "Oyarzu, Eduardo"]
[Black "Delgado, Raul Alejandro"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1832"]
[PlyCount "111"]
[EventDate "2015.10.20"]
[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 e6 3. Nf3 b6 4. Bg5 Bb7 5. g3 h6 6. Bd2 c5 7. Bc3 cxd4 8. Bxd4 Nc6 9. Bg2 Nxd4 10. Qxd4 d5 11. cxd5 Qxd5 12. Qxd5 Bxd5 13. 0-0 Rc8 14. Nc3 a6 15. Nxd5 Nxd5 16. Rac1 Bc5 17. Ne5 0-0 18. Nd7 Rfd8 19. Nxc5 Rxc5 20. Rxc5 bxc5 21. Rc1 Rc8 22. a3 Rc7 23. Kf1 Kf8 24. e3 Ke7 25. Ke1 Nb6 26. Bf1 a5 27. Bb5 e5 28. Ke2 e4 29. g4 c4 30. a4 Kd6 31. f3 exf3+ 32. Kxf3 Ke5 33. b3 c3 34. Ke2 Nd5 35. Bc4 g6 36. Bxd5 Kxd5 37. Kd3 f5 38. gxf5 gxf5 39. Rxc3 Rxc3+ 40. Kxc3 Kc5 41. h3 Kd5 42. b4 axb4+ 43. Kxb4 Ke4 44. a5 Kxe3 45. a6 f4 46. a7 f3 47. a8Q f2 48. Qe8+ Kd2 49. Qf7 Ke1 50. Qe6+ Kf1 51. Qxh6 Kg2 52. Qd2 Kg1 53. Qxf2+ Kxf2 54. h4 Ke3 55. h5 Kf4 56. h6 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.27"]
[Round "5.12"]
[White "Schafer, Marcelo"]
[Black "Oyarzu, Eduardo"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1832"]
[PlyCount "49"]
[EventDate "2015.10.20"]
[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. exd5 exd5 4. Nf3 Bb4+ 5. c3 Bd6 6. Bd3 Ne7 7. Bg5 0-0 8. Qc2 h6 9. Bh4 Bg4 10. Nbd2 Qd7 11. 0-0 Nf5 12. Rfe1 Nxh4 13. Nxh4 Be7 14. Nf5 Bf6 15. h3 Bh5 16. Ng3 g6 17. Nxh5 gxh5 18. Nf3 Nc6 19. Re2 Rae8 20. Rae1 Re7 21. Qd2 Kg7 22. Qf4 Rxe2 23. Rxe2 Ne7 24. Ne5 Ng6 25. Qxf6+ 1-0

[Event "Buenos Aires U2200"]
[Site "Buenos Aires"]
[Date "2015.10.24"]
[Round "4.14"]
[White "Oyarzu, Eduardo"]
[Black "Brenta, Claudio"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1832"]
[PlyCount "49"]
[EventDate "2015.10.20"]
[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. Nf3 0-0 6. Be3 Nbd7 7. Bd3 Ng4 8. Bg5 h6 9. Bh4 Ngf6 10. h3 g5 11. Bg3 Ne8 12. Qe2 c5 13. d5 Nb6 14. e5 Nc7 15. 0-0-0 f6 16. e6 f5 17. Nd2 Qe8 18. f4 Na4 19. Nxa4 Qxa4 20. fxg5 Qxa2 21. Nb1 f4 22. gxh6 f3 23. gxf3 Bxh6+ 24. f4 Bxf4+ 25. Bxf4 1-0

