[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.02"]
[Round "7.1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Salcedo, Jackeline"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2135"]
[BlackElo "2011"]
[PlyCount "127"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Qc2 Bd6 6. d4 Nbd7 7. Be2 0-0 8. 0-0 dxc4 9. a4 e5 10. Bxc4 exd4 11. exd4 Nb6 12. Bd3 h6 13. Ne5 Nbd5 14. Bc4 Be6 15. Qb3 Qc8 16. Bd2 Nxc3 17. bxc3 Bxc4 18. Nxc4 Bc7 19. Rfe1 Rb8 20. h3 Qf5 21. Qb1 Qd5 22. Ne5 c5 23. Be3 Rfe8 24. Nf3 c4 25. Nd2 a6 26. Qc2 b5 27. axb5 axb5 28. Ra6 Nd7 29. Nf3 Nb6 30. Ra7 Rbc8 31. Rb1 Na4 32. Ra6 Rb8 33. Nh4 Qe4 34. Qxe4 Rxe4 35. Nf5 Nxc3 36. Rba1 Nd5 37. Rc6 Re6 38. Rc5 Nxe3 39. fxe3 Bd6 40. Nxd6 Rxd6 41. Rb1 Rdb6 42. Kf2 Kf8 43. e4 R8b7 44. d5 Ke7 45. Ke3 f6 46. Kd4 Kd6 47. g4 Rb8 48. h4 R8b7 49. g5 hxg5 50. hxg5 Rc7 51. gxf6 gxf6 52. Rf1 Rxc5 53. Rxf6+ Kc7 54. Rf7+ Kb8 55. Kxc5 Rb7 56. Rf3 Rc7+ 57. Kxb5 c3 58. d6 Rb7+ 59. Kc6 Rb4 60. Rxc3 Rxe4 61. Rb3+ Ka8 62. d7 Rd4 63. Rb5 Rd1 64. Rd5 1-0

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.02"]
[Round "6.1"]
[White "Munoz, Julian Andres"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2110"]
[BlackElo "2135"]
[PlyCount "68"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. Nbd2 f6 5. h3 Bh5 6. c4 e6 7. Qa4 Bd6 8. Bxd6 Qxd6 9. e3 Nge7 10. cxd5 exd5 11. Rc1 0-0 12. Bb5 Be8 13. 0-0 Kh8 14. e4 Bd7 15. exd5 Nxd5 16. Ne4 Qf4 17. Nc5 Bxh3 18. Bxc6 bxc6 19. Nd3 Qe4 20. Nfe1 Bxg2 21. Nxg2 Qxd3 22. Qxc6 Rad8 23. Rfd1 Qf3 24. Qc4 Qg4 25. Kf1 Rfe8 26. Rd3 Qe2+ 27. Kg1 Qxb2 28. Rc2 Qb1+ 29. Kh2 Qb4 30. Qc6 h6 31. Rg3 Qxd4 32. Rc4 Qb6 33. Qa4 Re5 34. Rcg4 Qxf2 0-1

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.01"]
[Round "4.1"]
[White "Acosta, Mariana"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1515"]
[BlackElo "2135"]
[PlyCount "74"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. Nge2 b5 7. Bb3 Bb7 8. f3 Nbd7 9. Bf4 e5 10. Bg3 Qb6 11. Bf2 Bc5 12. Bxc5 Nxc5 13. Qd2 0-0 14. Ne4 Nfd7 15. h4 a5 16. Nxc5 Nxc5 17. c3 Rad8 18. Bc2 e4 19. d4 exf3 20. gxf3 Bxf3 21. Rh2 Qd6 22. Rf2 Bxe2 23. Rxe2 Qg3+ 24. Kd1 Qxh4 25. Rh2 Qg4+ 26. Kc1 Qg1+ 27. Bd1 Rfe8 28. Rg2 Qf1 29. Qg5 Nd3+ 30. Kd2 g6 31. Be2 Qxa1 32. Kxd3 Qb1+ 33. Kd2 Qxb2+ 34. Kd3 Qb1+ 35. Kd2 Qxa2+ 36. Kd3 b4 37. Qf6 c5 0-1

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.01"]
[Round "5.1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Martinez Romero, Martin"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2135"]
[BlackElo "2409"]
[PlyCount "93"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 c6 10. Nc2 Be6 11. Bg5 Nbd7 12. Kh1 Nb6 13. b3 h6 14. Bh4 g5 15. Bf2 Nh5 16. Bd4 d5 17. Bxg7 Nxg7 18. exd5 cxd5 19. c5 Nd7 20. b4 a5 21. Bb5 Rf8 22. c6 bxc6 23. Bxc6 Rc8 24. b5 Nf5 25. Nd4 Nxd4 26. Qxd4 Nb8 27. Rad1 Nxc6 28. bxc6 Rxc6 29. Nxd5 Bxd5 30. Qxd5 Qxd5 31. Rxd5 a4 32. Ra5 Rc4 33. h3 Rd8 34. Rf2 Kg7 35. Kh2 Kg6 36. Rb2 h5 37. Kg3 h4+ 38. Kf2 f6 39. Re2 Rd3 40. Ra8 Kf5 41. Rb2 Rdc3 42. Rd2 Rc2 43. Rad8 Kf4 44. Ke2 f5 45. R8d4+ Rxd4 46. Rxc2 a3 47. Kf2 1/2-1/2

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.31"]
[Round "3.1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Fitzgerald, Daniela"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2135"]
[BlackElo "1682"]
[PlyCount "47"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Bg5 e6 5. e4 h6 6. Bxf6 Qxf6 7. Nf3 Bb4 8. Bd3 Bxc3+ 9. bxc3 Qg6 10. Qe2 f5 11. Ne5 Qxg2 12. Qh5+ g6 13. Nxg6 Qxh1+ 14. Kd2 Qxa1 15. Nxh8+ Kd8 16. Qf7 Qxa2+ 17. Bc2 c5 18. d5 Kc7 19. Qg8 Ba6 20. Nf7 Bxc4 21. Qd8+ Kb7 22. Nd6+ Ka6 23. Qc8+ Ka5 24. Nb7+ 1/2-1/2

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.31"]
[Round "2.1"]
[White "Dominguez, Laura Lucia"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1988"]
[BlackElo "2135"]
[PlyCount "79"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 d5 2. b3 Nc6 3. Bb2 Bg4 4. e3 e5 5. Bb5 Bd6 6. h3 Bxf3 7. Qxf3 a6 8. Bxc6+ bxc6 9. Nc3 Nf6 10. 0-0-0 0-0 11. g4 Qe7 12. Kb1 Nd7 13. g5 f5 14. gxf6 Rxf6 15. Qe2 a5 16. a4 Raf8 17. Rdf1 Rf3 18. Nd1 Nc5 19. Rhg1 Ne4 20. d3 Ng5 21. h4 Ne6 22. Rg3 Qf6 23. Rfg1 Rxg3 24. fxg3 Qf3 25. Qd2 Bb4 26. Qh2 d4 27. exd4 exd4 28. Bc1 h6 29. Qh3 Rf6 30. Nb2 Qf2 31. Qh1 Bd6 32. g4 Qh2 33. Nc4 Qxh1 34. Rxh1 Bb4 35. Ne5 Nf8 36. Rg1 Re6 37. Nc4 Nd7 38. Bf4 Nb6 39. Bxc7 Nxc4 40. bxc4 1-0

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.30"]
[Round "1.1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Mateus, Martha"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2135"]
[BlackElo "2009"]
[PlyCount "49"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. d4 0-0 6. Bd3 c5 7. 0-0 Nc6 8. b3 cxd4 9. exd4 b6 10. Bb2 Bb7 11. Rc1 Rc8 12. Qe2 Nb4 13. Bb1 dxc4 14. bxc4 Bxf3 15. gxf3 Qc7 16. a3 Qf4 17. Ne4 Nc6 18. Rcd1 Na5 19. Bd3 Rfd8 20. Kh1 Nxe4 21. fxe4 Nxc4 22. Bxc4 Rxc4 23. Qxc4 Bd6 24. e5 Qf3+ 25. Kg1 1/2-1/2

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "2"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Lopez Rayo, Santiago"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2152"]
[BlackElo "2139"]
[PlyCount "74"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 0-0 9. a4 c5 10. 0-0 cxd4 11. exd4 Nb6 12. Bb3 h6 13. Ne4 Nxe4 14. Qxe4 Nd5 15. Ne5 Nf6 16. Qf3 Qe7 17. Re1 Rd8 18. Nd3 Bd7 19. Bf4 Bc6 20. Qh3 Bxf4 21. Nxf4 Rxd4 22. Nxe6 Re4 23. Rxe4 Bxe4 24. Nd4 Rd8 25. Qc3 Qe5 26. Nb5 Qxc3 27. Nxc3 Bc6 28. Rd1 Rxd1+ 29. Bxd1 a5 30. f3 Kf8 31. Kf2 Ke7 32. Ke3 Nd5+ 33. Nxd5+ Bxd5 34. Kd4 Kd6 35. h4 g5 36. hxg5 hxg5 37. Bc2 b6 1/2-1/2

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.27"]
[Round "3"]
[White "Mateus Urbano, Luis Alejandro"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2335"]
[BlackElo "2152"]
[PlyCount "77"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be7 6. Nd2 Nxd2 7. Bxd2 0-0 8. Qh5 g6 9. Qf3 Nc6 10. Nxc6 bxc6 11. 0-0-0 Rb8 12. g4 Bg5 13. Qg3 Bxd2+ 14. Rxd2 Qd6 15. Qxd6 cxd6 16. h3 Re8 17. Re2 Rxe2 18. Bxe2 Bd7 19. Re1 Re8 20. Kd2 Kg7 21. Bd3 Rxe1 22. Kxe1 g5 23. Kd2 h5 24. f3 f5 25. Bxf5 Bxf5 26. gxf5 Kf6 27. b4 Kxf5 28. Ke3 a6 29. a4 Ke6 30. f4 Kf5 31. fxg5 Kxg5 32. c4 dxc4 33. d5 Kf6 34. dxc6 Ke7 35. b5 a5 36. b6 Kd8 37. Kd4 d5 38. Kxd5 c3 39. Kd6 1-0

[Event "Cali Masificacion op"]
[Site "Cali"]
[Date "2021.12.26"]
[Round "1"]
[White "Schneider Zinner, Werner"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1967"]
[BlackElo "2152"]
[PlyCount "104"]
[EventDate "2021.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Bf5 5. Nd2 Nc6 6. Ngf3 e6 7. Bb5 Bd6 8. Bxd6 Qxd6 9. Ne5 0-0 10. Bxc6 bxc6 11. 0-0 Rab8 12. b3 cxd4 13. cxd4 c5 14. Ndf3 Ne4 15. dxc5 Nxc5 16. Rc1 Rfc8 17. Qd4 f6 18. Rxc5 Qxc5 19. Qxc5 Rxc5 20. Nd7 Rbc8 21. Nxc5 Rxc5 22. Nd4 Bd3 23. Nxe6 Rc2 24. Ra1 a5 25. Nd4 Rb2 26. h3 f5 27. Nc6 f4 28. Ne7+ Kf7 29. Nxd5 Be4 30. Nxf4 g5 31. Nh5 Bb1 32. a3 Rxb3 33. Ng3 Bd3 34. Nf1 Ke6 35. Nd2 a4 36. Nf3 h6 37. Ne1 Bg6 38. Kf1 Kd5 39. Ke2 Kc4 40. f3 Rb2+ 41. Kf1 Bb1 42. e4 Kd4 43. g3 h5 44. Ng2 g4 45. hxg4 hxg4 46. f4 Kxe4 47. Nh4 Kd4 48. Ke1 Rh2 49. Kf1 Rh1+ 50. Kf2 Kc3 51. f5 Kb2 52. Rxb1+ Rxb1 0-1

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.24"]
[Round "9"]
[White "Cadavid, Juan Miguel"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2008"]
[BlackElo "2131"]
[PlyCount "38"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 g6 4. e3 Bg7 5. h3 0-0 6. Be2 c5 7. c3 b6 8. 0-0 Bb7 9. Nbd2 Nbd7 10. Ne5 Nxe5 11. Bxe5 Nd7 12. Bxg7 Kxg7 13. f4 e6 14. Bf3 Rc8 15. Rc1 c4 16. e4 dxe4 17. Bxe4 Bxe4 18. Nxe4 Nf6 19. Nxf6 Qxf6 1/2-1/2

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.23"]
[Round "7"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Ardila, Oscar Humberto"]
[Result "1/2-1/2"]
[ECO "E95"]
[WhiteElo "2131"]
[BlackElo "2003"]
[PlyCount "99"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nbd7 7. 0-0 e5 8. Re1 exd4 9. Nxd4 Nc5 10. Bf1 a5 11. f3 Re8 12. Be3 Bd7 13. Qd2 h5 14. Qf2 Ne6 15. Nc2 Kh7 16. Rad1 Qe7 17. h3 Bc6 18. Nd5 Qf8 19. Qh4 Qh8 20. b3 Kg8 21. Qf2 h4 22. Nd4 Bxd5 23. cxd5 Nxd4 24. Bxd4 Nh5 25. Bxg7 Nxg7 26. Rc1 Re7 27. Rc2 b6 28. Rec1 Ra7 29. e5 Nf5 30. exd6 Nxd6 31. Re2 Rxe2 32. Bxe2 Qf6 33. Bd3 Qf4 34. Re1 Qf6 35. Qc2 Kg7 36. Kh1 a4 37. bxa4 Ra5 38. Bb5 Nxb5 39. axb5 Rxb5 40. Qxc7 Rxd5 41. a4 Rd2 42. Qe5 Qxe5 43. Rxe5 Rd4 44. a5 bxa5 45. Rxa5 Rd1+ 46. Kh2 f6 47. Ra4 g5 48. f4 Kg6 49. fxg5 fxg5 50. Ra6+ 1/2-1/2

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.22"]
[Round "5"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Malka, Samuel"]
[Result "1/2-1/2"]
[ECO "E98"]
[WhiteElo "2131"]
[BlackElo "2225"]
[PlyCount "27"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[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. Ne1 Nd7 10. Nd3 f5 11. Bd2 fxe4 12. Nxe4 Nf6 13. f3 Nf5 14. Ndf2 1/2-1/2

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.22"]
[Round "4"]
[White "Zuluaga Mancilla, Cesar"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "E39"]
[WhiteElo "2267"]
[BlackElo "2131"]
[PlyCount "44"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Qc2 c5 7. dxc5 Bxc5 8. a3 Nc6 9. b4 d4 10. Na4 Be7 11. b5 dxe3 12. bxc6 Qa5+ 13. Ke2 b5 14. Nc3 b4 15. Nd1 exf2 16. Nxf2 Ba6 17. Bd2 e5 18. Kd1 e4 19. Nxe4 Nxe4 20. Qxe4 Qa4+ 21. Kc1 Bf6 22. Qb1 b3 0-1

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.21"]
[Round "3"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Barreto Bastidas, Jose Angel"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2131"]
[BlackElo "2013"]
[PlyCount "63"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. b6 Bg7 7. Nc3 0-0 8. e4 d6 9. Be2 Nbd7 10. 0-0 a5 11. Qc2 Qxb6 12. Nd2 Ba6 13. Nc4 Bxc4 14. Bxc4 Qb4 15. Nb5 Rab8 16. a3 Qxb5 17. Bxb5 Rxb5 18. Bd2 Rfb8 19. Rab1 Ne8 20. Bc3 f6 21. a4 R5b7 22. Bxa5 Ra8 23. Bc3 c4 24. a5 Nc7 25. b3 cxb3 26. Rxb3 Rba7 27. Rfb1 Nc5 28. Rb8+ Kf7 29. Rxa8 Rxa8 30. h4 N7a6 31. Qe2 f5 32. Bxg7 1-0

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.21"]
[Round "2"]
[White "Buitrago, Juan Carlos"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2029"]
[BlackElo "2131"]
[PlyCount "63"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qa5 6. Bd2 Qxc5 7. e3 d5 8. cxd5 Nxd5 9. Rc1 Bxc3 10. Bxc3 Nxc3 11. Qxc3 Qxc3+ 12. Rxc3 Nc6 13. Bb5 Bd7 14. Nf3 Rc8 15. 0-0 a6 16. Ba4 b5 17. Bb3 Ke7 18. Rd1 f6 19. Rcd3 Rhd8 20. Rd6 e5 21. Bg8 Bf5 22. Rxd8 Nxd8 23. Kf1 Ne6 24. Nh4 Bc2 25. Rd2 Bb1 26. Rd1 Bc2 27. Rd2 g5 28. Nf3 Bb1 29. Rd1 Be4 30. Bxe6 Kxe6 31. Ke2 Rc2+ 32. Rd2 1/2-1/2

[Event "Pereira Risaraldense Cup-A"]
[Site "Pereira"]
[Date "2021.01.20"]
[Round "1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Abreu Peyegrin, Douglas Jose"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2131"]
[BlackElo "2031"]
[PlyCount "69"]
[EventDate "2021.01.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 4. e5 Nd5 5. Bd2 Qe7 6. Nxd5 exd5 7. c3 Ba5 8. Qf3 Qe6 9. 0-0-0 0-0 10. Nh3 d6 11. Nf4 Qe8 12. exd6 c6 13. Bd3 b5 14. Qg3 Qd7 15. Qh4 h6 16. f3 Qxd6 17. g4 Bd8 18. g5 Bxg5 19. Qg3 b4 20. cxb4 a5 21. bxa5 c5 22. h4 Bf6 23. Rhg1 Bxd4 24. Bc3 Bxc3 25. bxc3 Qe5 26. Nxd5 Qxg3 27. Rxg3 Rxa5 28. Rdg1 g6 29. Bxg6 Kh8 30. Bxf7 Ra6 31. Rg8+ Rxg8 32. Rxg8+ Kh7 33. Rxc8 Nd7 34. Rc7 Rd6 35. Rxd7 1-0

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.17"]
[Round "7"]
[White "Palomo, Franklin Annervys"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2266"]
[BlackElo "2070"]
[PlyCount "99"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nc3 Nbd7 6. cxd5 exd5 7. Bg5 Be7 8. e3 0-0 9. Bd3 Re8 10. 0-0-0 Ne4 11. Bxe4 dxe4 12. Nxe4 Bxg5 13. Nexg5 Nf6 14. Ne5 Qa5 15. Nexf7 Be6 16. Nxe6 Rxe6 17. Qb3 Kxf7 18. Qxb7+ Kg6 19. Qxa8 Qxa2 20. Qf8 c5 21. dxc5 Qc4+ 22. Kd2 Ne4+ 23. Ke1 Qb4+ 24. Kf1 Qb5+ 25. Kg1 Rf6 26. Qc8 Nxf2 27. h4 Nxd1 28. Qg4+ Kf7 29. Qxd1 Qxc5 30. Rh3 g6 31. h5 gxh5 32. Qxh5+ Qxh5 33. Rxh5 Kg6 34. Ra5 Rf7 35. Kh2 Rb7 36. Kg3 h6 37. Kf3 Rf7+ 38. Kg4 Rb7 39. Ra6+ Kg7 40. e4 Re7 41. Kf4 Rf7+ 42. Ke3 Rb7 43. Ra2 Kg6 44. Kd4 Kg5 45. Kd5 Kf4 46. b3 Rd7+ 47. Ke6 Rb7 48. Re2 Rxb3 49. e5 Kg5 50. Kd7 1-0

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.16"]
[Round "6"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Briceno Quinones, Ruben Dario"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2070"]
[BlackElo "2037"]
[PlyCount "150"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. e3 Bg7 5. Nc3 cxd4 6. exd4 d5 7. c5 0-0 8. Be3 Nc6 9. Bb5 Ne4 10. Bxc6 bxc6 11. Qa4 Qc7 12. 0-0 a5 13. Nxe4 dxe4 14. Ne5 Ba6 15. Nc4 Bb5 16. Qc2 a4 17. Rfd1 Rad8 18. Nb6 f5 19. f4 exf3 20. gxf3 e5 21. d5 cxd5 22. Nxd5 Qf7 23. Nb4 e4 24. f4 g5 25. Rxd8 Rxd8 26. Rd1 Rxd1+ 27. Qxd1 gxf4 28. Bxf4 Qc4 29. Qd5+ Qxd5 30. Nxd5 Bd4+ 31. Be3 Bxe3+ 32. Nxe3 f4 33. Nd5 Kf7 34. Nxf4 Ke7 35. Kf2 Kd7 36. Ke3 Kc6 37. Kxe4 Kxc5 38. Nd3+ Kc4 39. Ne5+ Kc5 40. h4 Be2 41. Nd3+ Kc4 42. Nf4 Bd1 43. Ke3 Bc2 44. Kd2 Bb1 45. a3 Kb3 46. Kc1 Be4 47. Ne6 Kc4 48. Ng5 Bf5 49. Nf7 Kd3 50. Ne5+ Ke4 51. Nc4 Bd7 52. Kd2 Kd4 53. Ne3 Be6 54. Nd1 Bd5 55. Nc3 Bc6 56. Ne2+ Kc4 57. Ng3 Kb3 58. Kc1 Kc4 59. Kc2 Bf3 60. b3+ axb3+ 61. Kb2 Kd4 62. Kxb3 Ke5 63. Kc3 Kf4 64. Nf1 Bg2 65. Nd2 Kg4 66. Kd3 Kxh4 67. Ke3 Kg3 68. Nc4 h5 69. Ne5 h4 70. Nd3 h3 71. Nf2 h2 72. a4 Bb7 73. a5 Kg2 74. Ke2 Ba6+ 75. Ke3 Bf1 0-1

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.16"]
[Round "5"]
[White "Perez Candelas, Andres Eloy"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2114"]
[BlackElo "2070"]
[PlyCount "69"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bd3 c6 6. Nge2 g6 7. Bf4 Qd8 8. Qd2 Bg7 9. Bh6 0-0 10. h4 Qa5 11. h5 Bxh6 12. Qxh6 Ng4 13. Qd2 Bf5 14. Bxf5 Qxf5 15. f3 Nf6 16. 0-0-0 Nbd7 17. Rh3 g5 18. Ng3 Qa5 19. d5 Kh8 20. Qxg5 Rg8 21. Qd2 cxd5 22. Nf5 e6 23. Nh6 Rg7 24. g4 Ne5 25. Qd4 Nfd7 26. f4 Nc6 27. Nxf7+ Kg8 28. Nh6+ Kh8 29. Qa4 Qxa4 30. Nxa4 Rf8 31. Re3 Rf6 32. g5 Rxf4 33. Rxe6 Rxg5 34. Nc3 d4 35. Ne2 1-0

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.15"]
[Round "4"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Gutierrez Anaya, Yeison Joel"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2070"]
[BlackElo "2024"]
[PlyCount "113"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Bb4+ 6. Bd2 Bd6 7. Bd3 Nbd7 8. Bc3 0-0 9. Nbd2 c5 10. 0-0 Qc7 11. Rc1 Re8 12. cxd5 Nxd5 13. dxc5 Nxc5 14. Bd4 Qe7 15. Bxc5 Bxc5 16. Bxh7+ Kxh7 17. Qc2+ Kg8 18. Qxc5 Qxc5 19. Rxc5 b6 20. Rcc1 Ba6 21. Nc4 Red8 22. a3 Rac8 23. Rfd1 Nc3 24. Rxd8+ Rxd8 25. Kf1 Ne4 26. Ke1 Nc5 27. Nb2 Bb7 28. Rc3 Bxf3 29. gxf3 e5 30. Ke2 Kf8 31. Nd3 Nxd3 32. Rxd3 Rc8 33. Kd2 Ke7 34. Rc3 Rd8+ 35. Kc2 Rd7 36. b4 Ke6 37. Kb3 Rd2 38. Rc7 Rxf2 39. Rxa7 Rxf3 40. Ra6 Rxe3+ 41. Kc4 Kf5 42. a4 Ra3 43. a5 bxa5 44. Rxa5 Rh3 45. Ra2 Rh8 46. b5 e4 47. b6 Rb8 48. Kc5 e3 49. Ra7 f6 50. Rxg7 Kf4 51. h4 e2 52. Re7 Kf3 53. Kc6 Rh8 54. b7 Kf2 55. Kc7 f5 56. b8Q Rxb8 57. Kxb8 1/2-1/2

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.15"]
[Round "3"]
[White "Trujillo Villega, Pablo Adrian"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2161"]
[BlackElo "2070"]
[PlyCount "66"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. Bf4 Nd5 8. Nxd5 Qxd5 9. Qd3 Nxe5 10. dxe5 Qa5+ 11. c3 Be6 12. Be2 g6 13. b4 Qc7 14. 0-0 Bg7 15. Qe3 0-0 16. Rfd1 a5 17. a3 Rad8 18. h4 h5 19. Bf3 Rxd1+ 20. Rxd1 Rd8 21. Rd4 axb4 22. axb4 Rxd4 23. Qxd4 b6 24. c4 c5 25. bxc5 bxc5 26. Qe4 Kh7 27. Qe2 Qa5 28. Kh2 Qb4 29. Bxh5 Bxc4 30. Qd1 Bb3 31. Qf3 gxh5 32. Qxh5+ Kg8 33. Bh6 Qe4 0-1

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.14"]
[Round "2"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Rodriguez, Reinaldo"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2070"]
[PlyCount "48"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. e3 Be7 5. d4 cxd4 6. exd4 d5 7. Be2 0-0 8. 0-0 Nc6 9. Bg5 dxc4 10. Bxc4 Nb4 11. Re1 a6 12. a3 Nbd5 13. Ne5 Qd6 14. Qf3 Ra7 15. Rac1 Nxc3 16. bxc3 b5 17. Bd3 Bb7 18. Qh3 g6 19. a4 bxa4 20. c4 Ba8 21. d5 exd5 22. c5 Qd8 23. Bh6 Re8 24. Nxf7 Qc8 1/2-1/2

[Event "VEN-ch qual 2nd Cojedes"]
[Site "San Carlos"]
[Date "2014.08.14"]
[Round "1"]
[White "Castro, Carlos Jose"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "D07"]
[BlackElo "2070"]
[PlyCount "68"]
[EventDate "2014.08.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. exf3 Qxd5 6. Be3 e5 7. Nc3 Bb4 8. dxe5 Qxe5 9. Rc1 Nge7 10. Bc4 Rd8 11. Qb3 0-0 12. 0-0 Bd6 13. f4 Qf5 14. Ne2 Na5 15. Qc3 Nxc4 16. Qxc4 Qd5 17. Qa4 b6 18. Rfd1 Qb7 19. Nd4 c5 20. Nf3 Nf5 21. Rc3 b5 22. Qc2 Nxe3 23. fxe3 c4 24. Qf5 g6 25. Qh3 Qb6 26. Ng5 h5 27. Qf3 Be7 28. Rc2 Rxd1+ 29. Qxd1 Bxg5 30. fxg5 Qxe3+ 31. Kh1 Qxg5 32. Rd2 Re8 33. Rd5 Qxd5 34. Qxd5 Re1# 0-1

[Event "Valera op 31th"]
[Site "Valera"]
[Date "2012.11.10"]
[Round "6"]
[White "Toro Morales, Javier Jose"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "1950"]
[BlackElo "2040"]
[PlyCount "83"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 0-0 7. 0-0 Bxc3 8. bxc3 Ne4 9. Qc2 f5 10. Ne1 Qh4 11. f3 Ng5 12. Qf2 Qxf2+ 13. Rxf2 Na6 14. h4 Nf7 15. e4 fxe4 16. fxe4 Nd6 17. Re2 c5 18. Nf3 Nf7 19. Bd2 Rac8 20. a4 cxd4 21. cxd4 e5 22. dxe5 Nc5 23. Bc2 Ba6 24. Bb4 Bxc4 25. Rd2 Be6 26. a5 b5 27. a6 Rfd8 28. Nd4 Nxe5 29. Bxc5 Rxc5 30. Nxe6 Rxc2 31. Rxc2 dxe6 32. Rc5 Nc4 33. Rxb5 Nb6 34. Rc1 Rd7 35. Rc6 Kf7 36. e5 Ke7 37. h5 Rd1+ 38. Kf2 Kd7 39. Rd6+ Rxd6 40. exd6 Kc6 41. Rg5 g6 42. Rxg6 1-0

[Event "Valera op 31th"]
[Site "Valera"]
[Date "2012.11.09"]
[Round "3"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Gomez Aranguren, Alexis Jose"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2040"]
[BlackElo "1932"]
[PlyCount "71"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Nc6 9. 0-0 0-0 10. Bxc6 bxc6 11. Qa4 cxd4 12. cxd4 c5 13. Be3 cxd4 14. Bxd4 Bh6 15. Rfd1 Qc7 16. Be5 Qb6 17. Rab1 Qe6 18. Ba1 f6 19. Nd4 Qa6 20. Qb3+ Kh8 21. e5 fxe5 22. Qd5 Bg4 23. Nc6 Bg7 24. Re1 e6 25. Qd7 Qc8 26. Qd6 Bf5 27. Rbc1 Qa6 28. Bxe5 Qxa2 29. Bxg7+ Kxg7 30. Qe5+ Kh6 31. Qf4+ Kg7 32. Qd4+ Kh6 33. Ne5 Rac8 34. Rxc8 Rxc8 35. Nf7+ Kh5 36. Qd1+ 1-0

[Event "Valera op 31th"]
[Site "Valera"]
[Date "2012.11.09"]
[Round "4"]
[White "Hernandez Navas, Oscar Enrique"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "1958"]
[BlackElo "2040"]
[PlyCount "42"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. 0-0 0-0 8. b3 b6 9. Bb2 Bb7 10. Rc1 c5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Qe2 Bf6 14. Bf5 Rc8 15. Rfd1 Re8 16. h3 g6 17. Bxd7 Qxd7 18. dxc5 Bxb2 19. c6 Rxc6 20. Rxc6 Qxc6 21. Qxb2 Qe6 1/2-1/2

[Event "Valera op 31th"]
[Site "Valera"]
[Date "2012.11.08"]
[Round "2"]
[White "Castillo, Cesar Ivan"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "A04"]
[BlackElo "2040"]
[PlyCount "68"]
[EventDate "2012.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nd2 e5 6. Ngf3 Nge7 7. 0-0 0-0 8. a4 d5 9. Re1 d4 10. Nc4 Be6 11. b3 h6 12. Bd2 Qc7 13. Qc1 Kh7 14. Rf1 f5 15. Nh4 f4 16. Qa3 b6 17. Rae1 g5 18. Nf3 g4 19. Nh4 f3 20. Bh1 Bf6 21. Qc1 Bxh4 22. Bxh6 Bf6 23. Bxf8 Rxf8 24. h3 Ng6 25. Qd1 Bg5 26. Nd2 Qf7 27. h4 Bxh4 28. gxh4 Nf4 29. Kh2 Qf6 30. Kg3 Nh5+ 31. Kh2 Qxh4+ 32. Kg1 g3 33. Nxf3 Rxf3 34. Qxf3 Qh2# 0-1

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.28"]
[Round "7"]
[White "Bassan, Remo"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2260"]
[BlackElo "2077"]
[PlyCount "99"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 e5 5. d3 Ne7 6. Nbd2 0-0 7. c3 c5 8. e4 d4 9. cxd4 cxd4 10. b4 b5 11. Nb3 Nbc6 12. Bd2 Qd6 13. a3 f5 14. Nc5 h6 15. h3 f4 16. Kh2 g5 17. g4 a5 18. Nb3 a4 19. Na5 Nxa5 20. bxa5 Nc6 21. Qb1 Be6 22. Rc1 Bb3 23. Qb2 Rfc8 24. Ne1 b4 25. axb4 Nxb4 26. Rxc8+ Rxc8 27. Bf3 Nxd3 28. Nxd3 Rc2 29. Qa3 Qxa3 30. Rxa3 Rxd2 31. a6 Rc2 32. Bd1 Rc8 33. Rxb3 axb3 34. Bxb3+ Kf8 35. Bd5 Ke7 36. a7 Kd8 37. a8Q Rxa8 38. Bxa8 Kc7 39. Kg2 Kb6 40. Kf3 Kb5 41. Bd5 Bf6 42. Ke2 Bg7 43. Kd2 Bf6 44. Kc2 Bg7 45. Kb3 Bf6 46. Bf7 Kc6 47. Kc4 Kd6 48. Kb5 Bd8 49. f3 Bf6 50. Nb2 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.27"]
[Round "5"]
[White "Sanchez, Kelvin"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "B41"]
[BlackElo "2077"]
[PlyCount "113"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 b6 7. Be3 Bb7 8. Be2 Nf6 9. f3 Be7 10. Qd2 d6 11. 0-0 Nbd7 12. a4 Rc8 13. Rfe1 0-0 14. a5 Qb8 15. axb6 Bd8 16. Nb3 Bxb6 17. Bxb6 Nxb6 18. Na5 Ba8 19. b4 Rfd8 20. Bf1 d5 21. exd5 exd5 22. c5 Nc4 23. Nxc4 dxc4 24. Qb2 Rxc5 25. Rxa6 Rh5 26. h3 Bb7 27. Raa1 Rg5 28. Qf2 Qc8 29. Red1 Rf8 30. Ra7 Nh5 31. Rd4 Qc7 32. Ra1 Bc8 33. Qh4 Qb6 34. Rad1 Qf6 35. Nd5 Rxd5 36. Qxf6 Nxf6 37. Rxd5 Nxd5 38. Rxd5 Be6 39. Rc5 Rb8 40. b5 Kf8 41. Kf2 Ke7 42. Ke3 Kd6 43. Kd4 Ra8 44. Rc6+ Kd7 45. Bxc4 Bxc4 46. Rxc4 Ra2 47. Kc5 Kc7 48. g4 Rh2 49. Rc3 Rxh3 50. Re3 Rh1 51. Re7+ Kc8 52. Rxf7 g6 53. Kc6 Rc1+ 54. Kb6 Rc3 55. g5 Kd8 56. Rxh7 Rxf3 57. Rg7 1-0

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.26"]
[Round "3"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Marichal Gonzalez, Ariel"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2077"]
[BlackElo "2306"]
[PlyCount "50"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Na6 7. 0-0 c6 8. a3 e5 9. d5 cxd5 10. cxd5 Nc5 11. Bg5 h6 12. Bxf6 Bxf6 13. b4 Na6 14. Nd2 Bg5 15. Nc4 Nc7 16. b5 Ne8 17. Bf3 Bd7 18. b6 Qc8 19. Qb3 Qc5 20. Qb4 Qc8 21. Nxd6 a5 22. Nxc8 axb4 23. axb4 Rxc8 24. Na4 Bxa4 25. Rxa4 Nd6 0-1

[Event "San Cristobal Bolivar op 1st"]
[Site "San Cristobal"]
[Date "2012.09.25"]
[Round "1"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Contreras Acevedo, Andrea Julia"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2077"]
[PlyCount "43"]
[EventDate "2012.09.25"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 dxc4 4. a4 Nf6 5. Nc3 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Qc7 10. e4 Bg4 11. Bg5 Nbd7 12. Rac1 Qa5 13. e5 Nd5 14. Bd2 N7b6 15. Bd3 Nxa4 16. Bxh7+ Kh8 17. Bb1 Naxc3 18. bxc3 Be7 19. c4 Bxf3 20. gxf3 Nb4 21. c5 Qa6 22. Qe4 1-0

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.26"]
[Round "6"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Garcia Larez, Javier Enrique"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2092"]
[PlyCount "71"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd3 h6 5. Bh4 b6 6. e4 g5 7. Bg3 dxe4 8. Nxe4 Bb7 9. Nxf6+ Nxf6 10. h4 g4 11. Be5 Qd7 12. 0-0-0 h5 13. Qb3 Bg7 14. Ne2 Bd5 15. c4 Be4 16. Nf4 c6 17. Qe3 Qf5 18. Bd3 Bxd3 19. Qxd3 Qxd3 20. Rxd3 Bh6 21. Kc2 Bxf4 22. Bxf4 Kd7 23. Re1 e6 24. Bg5 Nh7 25. d5 cxd5 26. cxd5 Rac8+ 27. Kb3 e5 28. f4 Nxg5 29. fxg5 Rce8 30. Rf1 Re7 31. d6 e4 32. Rdd1 Re6 33. Rxf7+ Kc6 34. Rc7+ Kb5 35. a4+ Ka6 36. d7 1-0

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.26"]
[Round "5"]
[White "Rojas Barrero, Andres Humberto"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2216"]
[BlackElo "2092"]
[PlyCount "77"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. 0-0 Qc7 8. Qe2 d6 9. a4 b4 10. Na2 Nf6 11. Bd2 Qb6 12. Be3 d5 13. e5 Nfd7 14. f4 Bc5 15. c3 Nc6 16. Qf2 Bxd4 17. cxd4 g6 18. Nc1 a5 19. b3 Ba6 20. Ra2 Bxd3 21. Nxd3 Qa6 22. Qd2 0-0 23. Rc2 Rac8 24. Rfc1 Ne7 25. Nc5 Nxc5 26. dxc5 Nc6 27. Bf2 Rcd8 28. Bh4 Rd7 29. Bf6 h6 30. Rf1 Kh7 31. Rf3 Ne7 32. g4 Ng8 33. Rh3 Rc8 34. Qf2 Qa7 35. Kf1 d4 36. Qh4 Qb7 37. Qxh6+ Nxh6 38. g5 Qh1+ 39. Kf2 1-0

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.25"]
[Round "4"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Castro, Jose Luis"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2092"]
[BlackElo "2204"]
[PlyCount "74"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 exd4 8. Nxd4 Re8 9. f3 c6 10. Kh1 Nbd7 11. Be3 a5 12. Qd2 Nc5 13. Rfd1 Qc7 14. Bf1 Nfd7 15. Qf2 Ne5 16. Ndb5 cxb5 17. Nxb5 Qe7 18. Nxd6 Ncd3 19. Bxd3 Qxd6 20. Bf1 Qc6 21. c5 Be6 22. Rd6 Qc7 23. Qg3 Bc4 24. f4 Bxf1 25. fxe5 Bxe5 26. Bf4 Bxd6 27. Bxd6 Qc6 28. Rxf1 Qxe4 29. Qb3 Re6 30. h3 a4 31. Qb6 Qd5 32. Rf2 Rae8 33. Qb5 Re4 34. Kh2 h5 35. Rf4 Re2 36. Rf2 Rxf2 37. Qxe8+ Kh7 0-1

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.25"]
[Round "3"]
[White "Zamora Monascal, Petter David"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2092"]
[PlyCount "78"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Bc4 Be7 8. 0-0 0-0 9. Nc3 dxe5 10. Nxe5 Nc6 11. Nxd5 exd5 12. Nxc6 bxc6 13. Bd3 Qb6 14. Qh5 g6 15. Qe5 Qd8 16. Bh6 Bf6 17. Qf4 Re8 18. Rfe1 Be6 19. h4 Rb8 20. b3 Rb4 21. Bg5 Bxg5 22. hxg5 c5 23. Qg3 Rxd4 24. Bb5 Rf8 25. f3 c4 26. Kh1 Qa5 27. bxc4 dxc4 28. Re5 Rfd8 29. Rae1 Rd1 30. Rxd1 Rxd1+ 31. Kh2 Qb6 32. Qf4 c3 33. Qe4 Qg1+ 34. Kg3 Rd2 35. Rxe6 Qxg2+ 36. Kf4 Qh2+ 37. Ke3 Qf2+ 38. Kf4 Rd4 39. Re8+ Kg7 0-1

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.24"]
[Round "2"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Boada, Winston"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2092"]
[BlackElo "2235"]
[PlyCount "99"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h5 6. a4 Nf6 7. f3 Nc6 8. Qd2 e5 9. d5 Ne7 10. a5 Neg8 11. Nh3 Bxh3 12. Rxh3 Bh6 13. Be2 Bxe3 14. Qxe3 Qb8 15. b4 Qa7 16. Qxa7 Rxa7 17. Na4 Nd7 18. c4 Ne7 19. g4 c6 20. Rd1 cxd5 21. exd5 Ra8 22. c5 dxc5 23. bxc5 Rc8 24. f4 hxg4 25. Bxg4 f5 26. Be2 exf4 27. c6 bxc6 28. Bxa6 Rb8 29. dxc6 Nxc6 30. Rd6 Nce5 31. Bf1 Ke7 32. Rd1 f3 33. a6 Rb4 34. Nc3 Rb2 35. Rd2 Rxd2 36. Kxd2 Nc5 37. Ke3 Rd8 38. a7 Ra8 39. Nd5+ Kf7 40. Kd4 Ncd7 41. h5 gxh5 42. Rxh5 Rxa7 43. Rxf5+ Ke6 44. Ne3 Ra4+ 45. Kc3 Ra3+ 46. Kd4 Rxe3 47. Kxe3 Kxf5 48. Bh3+ Kg5 49. Bxd7 Kh4 50. Bc6 1/2-1/2

[Event "Barquisimeto op"]
[Site "Barquisimeto"]
[Date "2012.05.23"]
[Round "1"]
[White "Montilla, Karla"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2092"]
[PlyCount "68"]
[EventDate "2012.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "CBM 148 Extra"]
[Source "ChessBase"]
[SourceDate "2012.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. 0-0 Qc7 8. Kh1 Nf6 9. Qe1 d6 10. f4 Nbd7 11. Nf3 b4 12. Nd1 Be7 13. Bd2 a5 14. Nf2 e5 15. fxe5 dxe5 16. c3 Qd6 17. Rc1 0-0 18. Bc2 Nb6 19. Nh4 g6 20. Bg5 Ba6 21. Rd1 Qc7 22. Nd3 Nh5 23. Bh6 bxc3 24. bxc3 Rfd8 25. Bb3 Bc4 26. Bxc4 Nxc4 27. Qf2 Bf8 28. Bg5 Re8 29. g4 Ng7 30. Nf3 Qc6 31. Nc5 Bxc5 32. Qh4 Ne3 33. Bf6 Qxe4 34. Rde1 Qxg4 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.15"]
[Round "7"]
[White "Toro, Javier"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "E41"]
[BlackElo "2091"]
[PlyCount "68"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. e3 Nc6 6. Nf3 d6 7. Bd3 e5 8. d5 Ne7 9. 0-0 Bxc3 10. bxc3 h6 11. Ne1 Qa5 12. Bd2 Qa6 13. e4 g5 14. f3 Ng6 15. g3 Bd7 16. a4 Nh7 17. Ng2 0-0-0 18. a5 h5 19. Rfb1 h4 20. Rb3 hxg3 21. hxg3 Kc7 22. Qb2 Rb8 23. Ne3 Nf6 24. Nc2 g4 25. fxg4 Rh3 26. Kg2 Rbh8 27. Rb1 Rh2+ 28. Kf3 R8h3 29. Rxb7+ Kd8 30. Rxd7+ Kxd7 31. Bg5 Nh7 32. Bd8 f6 33. Bxf6 Nxf6 34. Qb8 Nh4+ 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.14"]
[Round "6"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Teran Abreu, Lisyender Jesus"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2091"]
[BlackElo "2120"]
[PlyCount "88"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. Re1 Re8 9. Bf1 c6 10. b4 a5 11. b5 exd4 12. Nxd4 Qc7 13. Bf4 Nh5 14. bxc6 bxc6 15. Be3 Nc5 16. f3 Ba6 17. Qd2 Nf6 18. Rab1 Nfd7 19. Nb3 Rab8 20. Bd4 Bxd4+ 21. Qxd4 Ne6 22. Qd2 Ndc5 23. Nd4 Rb4 24. Nxe6 Nxe6 25. a3 Rxb1 26. Rxb1 Rb8 27. Rd1 Rb3 28. e5 dxe5 29. Ne4 Kg7 30. Kh1 a4 31. Nd6 Rb8 32. Qc2 f6 33. Ne4 Nd4 34. Qf2 Qe7 35. Ng3 Qxa3 36. f4 Re8 37. fxe5 fxe5 38. Rxd4 exd4 39. Qxd4+ Kg8 40. Ne4 Rf8 41. Nf6+ Rxf6 42. Qxf6 Qf8 43. Qe6+ Qf7 44. Qe2 a3 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.14"]
[Round "5"]
[White "Herize Godoy, Miguel Andres"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "2091"]
[PlyCount "52"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. f3 Nc6 7. Be3 d5 8. exd5 exd5 9. b3 Bb4+ 10. Nd2 0-0 11. Be2 Nxd4 12. Bxd4 dxc4 13. Bxf6 Qxf6 14. 0-0 Qd4+ 15. Kh1 Qxd2 16. Qxd2 Bxd2 17. Bxc4 Be6 18. Bxe6 fxe6 19. Rfd1 Rfd8 20. Kg1 Kf7 21. Kf1 Ke7 22. Ke2 Bf4 23. g3 Be5 24. Rac1 Rxd1 25. Rxd1 Rd8 26. Rxd8 Kxd8 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.14"]
[Round "4"]
[White "Perdomo Araujo, Angel Eduardo"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1913"]
[BlackElo "2091"]
[PlyCount "62"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. f3 Qb6 7. Nb3 Bb7 8. Qd3 d6 9. Be3 Qc7 10. 0-0-0 Nd7 11. Bf4 e5 12. Be3 Rc8 13. Kb1 b4 14. Ne2 Ngf6 15. Ng3 d5 16. exd5 Nxd5 17. Bc1 Be7 18. Ne4 0-0 19. Ng5 N7f6 20. g3 Rfd8 21. Qe2 a5 22. Bh3 Rb8 23. Nd2 Nc3+ 24. bxc3 Rxd2 25. Bxd2 bxc3 26. Ka1 cxd2 27. c4 Bb4 28. Qd3 Rd8 29. Qc2 h6 30. Ne4 Nxe4 31. fxe4 Rd4 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.13"]
[Round "2"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Castillo, Cesar Ivan"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2091"]
[PlyCount "47"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 dxc4 8. Ne5 Nbd7 9. Nxc4 Nb6 10. Qb3 Bd7 11. e4 Nxc4 12. Qxc4 b5 13. Qe2 a5 14. Be3 Qc7 15. Rac1 Qb7 16. Rfd1 b4 17. Na4 Qb5 18. Qxb5 cxb5 19. Nb6 Rad8 20. e5 Nd5 21. Bxd5 exd5 22. Nxd5 Rfe8 23. Nxe7+ Rxe7 24. Bg5 1-0

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.13"]
[Round "3"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Ravelo Gil, Eddy"]
[Result "0-1"]
[ECO "E95"]
[WhiteElo "2091"]
[BlackElo "2381"]
[PlyCount "112"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. c4 Nbd7 4. Nc3 e5 5. e4 g6 6. Be2 Bg7 7. 0-0 0-0 8. Re1 c6 9. Bf1 Qe7 10. b4 a5 11. b5 Nh5 12. Bg5 f6 13. Be3 Re8 14. Qd2 Bf8 15. bxc6 bxc6 16. c5 dxc5 17. d5 Nb8 18. Na4 Kh8 19. Bxc5 Qf7 20. Bxf8 Rxf8 21. Nb6 Ra7 22. Nxc8 Rxc8 23. Rec1 Rd8 24. Rab1 cxd5 25. exd5 Nd7 26. Rb5 a4 27. Qb4 Nf4 28. Qe4 Nf8 29. Bc4 Qc7 30. g3 Nh5 31. Rbb1 Qd6 32. Qe3 Rc7 33. Nd2 Rdc8 34. Ne4 Qd8 35. Be2 Rxc1+ 36. Rxc1 Rxc1+ 37. Qxc1 Qxd5 38. Qc5 Qxc5 39. Nxc5 a3 40. Bxh5 gxh5 41. Kf1 Ng6 42. Ke2 f5 43. Kd2 e4 44. Kc3 Ne5 45. Kb3 h4 46. Kxa3 h3 47. Kb3 Ng4 48. a4 Nxh2 49. a5 Nf3 50. a6 h2 51. a7 h1Q 52. a8Q+ Kg7 53. Qb7+ Kg6 54. Qc6+ Kg5 55. Nxe4+ Kg4 56. Nc3 Nd4+ 0-1

[Event "Valera Escuela Las Palmas op 1st"]
[Site "Valera"]
[Date "2012.04.12"]
[Round "1"]
[White "Bastidas, Samuel"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2091"]
[PlyCount "42"]
[EventDate "2012.04.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. f3 Qc7 8. Be3 Nf6 9. Qd2 Nc6 10. 0-0-0 Rc8 11. g4 b4 12. axb4 Bxb4 13. h4 Nxd4 14. Bxd4 e5 15. Be3 Qa5 16. Kb1 Rxc3 17. g5 Ra3 18. c3 Ra1+ 19. Kc2 Qa4+ 20. b3 Ra2+ 21. Kc1 Ba3+ 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.08"]
[Round "9"]
[White "Rivas Cabrera, Edgar"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1/2-1/2"]
[ECO "A22"]
[BlackElo "2091"]
[PlyCount "28"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c5 3. g3 Nc6 4. Bg2 e5 5. Nc3 d5 6. cxd5 Nxd5 7. 0-0 Nxc3 8. bxc3 Be7 9. d3 0-0 10. Rb1 Qc7 11. Nd2 Be6 12. Qc2 Rac8 13. Nc4 Rfd8 14. f4 b6 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.07"]
[Round "7"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Zavarce Sayago, Oscar Enrique"]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "2091"]
[BlackElo "2190"]
[PlyCount "118"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Qb3 Bc5 7. Nb5 Qb6 8. Be3 Bxe3 9. Qxe3 Qxe3 10. fxe3 Na6 11. N1c3 Ke7 12. Bg2 Rd8 13. e4 Ng4 14. Kd2 d6 15. h3 Ne5 16. b3 Nc5 17. Ke3 a6 18. Nd4 Bd7 19. Nf3 Nc6 20. Rab1 Be8 21. Rhd1 Rab8 22. Rdc1 Rdc8 23. Nd2 Ne5 24. Nf3 Nc6 25. Nd2 Nd7 26. a4 Nce5 27. Nf3 Nc6 28. Nd2 Nce5 29. Nf3 Rc7 30. g4 Rbc8 31. g5 Nc6 32. h4 Na7 33. Ra1 b5 34. axb5 axb5 35. Nd4 Ne5 36. Rxa7 Rxa7 37. Ndxb5 Bxb5 38. Nxb5 Ra2 39. h5 Rb2 40. Nd4 Ra8 41. g6 hxg6 42. hxg6 Nxg6 43. e5 Rc8 44. Bb7 Rh8 45. exd6+ Kxd6 46. c5+ Kc7 47. Be4 Ne7 48. Nb5+ Kb8 49. Nd4 e5 50. Ra1 exd4+ 51. Kxd4 Nc8 52. Kc3 Rxe2 53. Bd3 Re3 54. b4 Rd8 55. Rd1 Kc7 56. b5 g5 57. Kc4 Rexd3 58. Rxd3 Rxd3 59. Kxd3 f5 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.07"]
[Round "8"]
[White "Yanez Rodriguez, William"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2091"]
[PlyCount "85"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. Nf3 exd4 5. Qxd4 Qxd4 6. Nxd4 a6 7. Bd3 c5 8. Nf3 Nc6 9. 0-0 Bg4 10. Re1+ Be7 11. Be4 Bd7 12. Nc3 Nf6 13. Bxc6 Bxc6 14. Ne5 Bd7 15. Nxd7 Kxd7 16. Na4 Rae8 17. c4 Kc6 18. Bg5 b5 19. Nc3 b4 20. Nd1 h6 21. Bh4 g5 22. Bg3 Nh5 23. Kf1 Bf6 24. Rb1 Bd4 25. b3 f5 26. f3 Nxg3+ 27. hxg3 Rxe1+ 28. Kxe1 Re8+ 29. Kf1 a5 30. Nf2 a4 31. Re1 axb3 32. axb3 Ra8 33. Nd3 Ra3 34. Ne5+ Bxe5 35. Rxe5 Rxb3 36. Re6+ Kd7 37. Rxh6 Rc3 38. Ke2 Rxc4 39. Kd3 Rc3+ 40. Kd2 c4 41. Rh7+ Kd6 42. Rf7 Rd3+ 43. Ke2 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "4"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Castro, Jose Luis"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "2091"]
[BlackElo "2201"]
[PlyCount "115"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[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. Ne1 Ne8 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nf2 Ng6 16. Qc2 Rf7 17. Rfc1 a6 18. a4 b6 19. Na2 h5 20. h3 Bf8 21. Nb4 Nh4 22. Ra3 Rg7 23. Qd1 Qe8 24. Be1 a5 25. Nc6 Qg6 26. Rac3 Bd7 27. Rb3 Re8 28. Rcc3 g4 29. fxg4 hxg4 30. hxg4 Nxg2 31. Kxg2 Nxg4 32. Bxg4 Bxg4 33. Nxg4 Qxe4+ 34. Kf2 Qg6 35. Rh3 Qxg4 36. Qxg4 Rxg4 37. Rxb6 e4 38. Bc3 Bg7 39. Bxg7 Kxg7 40. Nd4 Kf6 41. Rh5 Kg6 42. Rh2 Kf6 43. Rh6+ Ke5 44. Nc6+ Kxd5 45. Rh5+ Kc4 46. Nxa5+ Kd3 47. Rxd6+ Kc2 48. Rc5+ Kb1 49. Rd1+ Ka2 50. Rc2 Rg3 51. b4+ Ka3 52. Ra1+ Kxb4 53. Nc6+ Kb3 54. Nd4+ Kb4 55. Rb1+ Kxa4 56. Ra1+ Kb4 57. Rb1+ Ka4 58. Ra1+ 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "5"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Ferragut, Arnaldo"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2091"]
[BlackElo "2288"]
[PlyCount "82"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 Be7 5. Nc3 h6 6. Bxf6 Bxf6 7. e4 dxe4 8. Nxe4 Be7 9. a3 0-0 10. Bd3 b6 11. 0-0 Bb7 12. Qe2 Nd7 13. Rfd1 c6 14. c5 Qc7 15. Rac1 Rfd8 16. Bb1 bxc5 17. dxc5 Nf6 18. b4 a5 19. Rxd8+ Rxd8 20. b5 cxb5 21. c6 Bxc6 22. Nxf6+ Bxf6 23. Be4 Qd6 24. Bxc6 Qxa3 25. Rd1 Rxd1+ 26. Qxd1 Qc5 27. Be4 a4 28. Qc2 Bc3 29. Nd2 Qe5 30. Nf3 Qc5 31. Nd2 f5 32. Bd3 b4 33. Qxa4 Bxd2 34. Qe8+ Kh7 35. Qxe6 Qc1+ 36. Bf1 Qb1 37. h4 h5 38. g4 hxg4 39. h5 Qe4 40. Qg6+ Kh8 41. Bd3 Qxd3 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.06"]
[Round "6"]
[White "Gonzalez, Delvy"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "E20"]
[BlackElo "2091"]
[PlyCount "117"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 0-0 6. Bg2 Qc7 7. Bf4 d6 8. 0-0 cxd4 9. Nb5 Qb6 10. a3 e5 11. axb4 exf4 12. Qxd4 Qd8 13. Qxd6 Bd7 14. Ne5 Nc6 15. Nxd7 Qxd7 16. Qxd7 Nxd7 17. Bxc6 bxc6 18. Nxa7 Ne5 19. b3 f3 20. exf3 Nxf3+ 21. Kg2 Nd4 22. Ra6 Nxb3 23. Rd1 c5 24. b5 Nd4 25. Re1 f5 26. f4 Rf7 27. b6 Rb7 28. Re5 Rab8 29. Rxc5 Rxb6 30. Rxb6 Rxb6 31. Nb5 Rc6 32. Rxc6 Nxc6 33. Kf3 Kf7 34. Ke3 g6 35. Kd3 Ke7 36. c5 Kd7 37. Kc4 Ne7 38. Nd4 h6 39. Kb5 g5 40. c6+ Kd6 41. Kc4 gxf4 42. gxf4 Ng6 43. Nxf5+ Kxc6 44. Nd4+ Kd6 45. Ne2 Ke6 46. Kd4 Kf5 47. Ke3 Kg4 48. Ke4 Nh4 49. Ng1 Ng6 50. f5 Nf8 51. Ke5 Kg5 52. Nh3+ Kg4 53. Nf2+ Kf3 54. Nd3 Kg4 55. Nf4 Nh7 56. Nd5 Kf3 57. f6 Nxf6 58. Nxf6 Kg2 59. h4 1-0

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.05"]
[Round "3"]
[White "Oropeza Chirinos, Ramon Jose"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "E00"]
[BlackElo "2091"]
[PlyCount "47"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 0-0 6. a3 Bxd2+ 7. Qxd2 d5 8. c5 e5 9. Nf3 Ne4 10. Qd1 Be6 11. Nfd2 f5 12. 0-0 Nd7 13. e3 Ndf6 14. Qe2 Rae8 15. Nf3 c6 16. Nbd2 g5 17. Nxe4 Nxe4 18. Nxe5 Qg7 19. f3 Nf6 20. f4 g4 21. Rfc1 h5 22. b4 h4 23. a4 a6 24. Kf2 0-1

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.04"]
[Round "2"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Leyva Proenza, Ricardo"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2091"]
[BlackElo "2365"]
[PlyCount "42"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Na6 8. Bg5 h6 9. Bh4 Qe8 10. Bxf6 Bxf6 11. c5 exd4 12. Nd5 Bd8 13. Bxa6 c6 14. Qxd4 cxd5 15. Qxd5 dxc5 16. Bxb7 Bxb7 17. Qxb7 Bf6 18. e5 Bxe5 19. Rfe1 Qb8 20. Qxb8 Bxb8 21. Rad1 Bc7 1/2-1/2

[Event "Barquisimeto IRT op"]
[Site "Barquisimeto"]
[Date "2012.04.04"]
[Round "1"]
[White "Diaz Calderon, Salvador"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2091"]
[PlyCount "95"]
[EventDate "2012.04.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. dxe5 Qxd1+ 5. Kxd1 Bf5 6. Bd3 Bxd3 7. cxd3 Nc6 8. Nf3 0-0-0 9. a3 Rxd3+ 10. Kc2 Rd8 11. b4 Nh6 12. h3 Nf5 13. Bb2 Be7 14. Nbd2 a5 15. bxa5 Ncd4+ 16. Nxd4 Nxd4+ 17. Bxd4 Rxd4 18. Kc3 Rhd8 19. Nc4 Bg5 20. Nd6+ R4xd6 21. exd6 Bf6+ 22. Kc2 Bxa1 23. dxc7 Re8 24. Rxa1 Re2+ 25. Kb3 Rxf2 26. Rg1 Kxc7 27. Kb4 f5 28. Rc1+ Kb8 29. Rg1 Ka7 30. g3 Ka6 31. h4 Rb2+ 32. Ka4 Re2 33. Rb1 Re3 34. Rg1 Re4+ 35. Kb3 Kxa5 36. Rd1 Re3+ 37. Kb2 g6 38. Rd7 b6 39. Rxh7 Rxg3 40. h5 gxh5 41. Rxh5 Rf3 42. Rh8 Rf4 43. Rf8 Kb5 44. Rf6 Rf1 45. Kb3 Kc5 46. Kc3 Rf3+ 47. Kd2 b5 48. Ke2 0-1

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.08"]
[Round "9"]
[White "Gascon del Nogal, Jose Rafael"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2034"]
[PlyCount "27"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. Nc4 Qc7 8. g3 Nb6 9. Nxb6 Qxb6 10. Bg2 Bg4 11. f3 Bf5 12. Ne4 e6 13. c3 Be7 14. Qb3 1/2-1/2

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.07"]
[Round "8"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Trujillo Ardila, Arwin Julian"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "1982"]
[PlyCount "126"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 Bf5 5. 0-0 e6 6. c4 Nbd7 7. Nc3 Be7 8. Nh4 Bg6 9. Nxg6 hxg6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Nb6 13. b3 Bf6 14. Be3 Qd7 15. Qf3 Bxd4 16. Rfd1 e5 17. c5 Nc8 18. Bxd4 exd4 19. Rxd4 Qxd4 20. Bxc6+ bxc6 21. Qxc6+ Kf8 22. Re1 Kg8 23. Re4 Qd1+ 24. Kg2 g5 25. Qxa8 Qd7 26. Re5 Qh3+ 27. Kf3 Qh5+ 28. Ke3 Kh7 29. Qe4+ Qg6 30. Rxg5 Qxe4+ 31. Kxe4 g6 32. Rd5 Kg7 33. Rd7 Kf6 34. Kd5 Rxh2 35. Rc7 Ne7+ 36. Kd6 Rxf2 37. Rd7 Rxa2 38. Kc7 Rc2 39. Rd6+ Ke5 40. b4 Nd5+ 41. Kc6 Nxb4+ 42. Kb5 Nd5 43. Rd7 Rb2+ 44. Kc6 Nb4+ 45. Kb5 Nd3+ 46. Kc4 Nxc5 47. Kxc5 Rc2+ 48. Kb4 f5 49. Rxa7 Kf6 50. Kb3 Rg2 51. Kc3 Rxg3+ 52. Kd2 Kg5 53. Ke2 Kg4 54. Kf2 g5 55. Rg7 Rb3 56. Rc7 Rb2+ 57. Kf1 f4 58. Rc3 f3 59. Rc5 Kf4 60. Ra5 g4 61. Ra1 g3 62. Kg1 Kg4 63. Kh1 Kh3 0-1

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.06"]
[Round "6"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Macias Murillo, Bryan"]
[Result "1-0"]
[ECO "A30"]
[BlackElo "2347"]
[PlyCount "99"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. c4 cxd4 7. Nxd4 Bxg2 8. Kxg2 d5 9. Nc3 dxc4 10. Qa4+ Nbd7 11. Bg5 a6 12. Bxf6 gxf6 13. Qxc4 Qc8 14. Qb3 Qb7+ 15. Kg1 Nc5 16. Qc2 Rc8 17. b4 Nd7 18. Qb3 Be7 19. Rac1 b5 20. Rfd1 Rc4 21. Nb1 Rxb4 22. Qf3 Qxf3 23. Rc8+ Bd8 24. exf3 Rxd4 25. Rxd4 Ke7 26. Ra8 Nb6 27. Rxa6 Nd5 28. Na3 b4 29. Nb5 h5 30. Ra7+ Kf8 31. Nd6 Be7 32. Ra8+ Kg7 33. Nf5+ exf5 34. Rxh8 Nc3 35. Rd7 Kxh8 36. Rxe7 Kg7 37. Ra7 f4 38. Kf1 fxg3 39. fxg3 f5 40. Ra6 f6 41. Kf2 Kg6 42. Ke3 Kg5 43. h4+ Kg6 44. f4 Kf7 45. Kd3 Ne4 46. Rb6 Nxg3 47. Rxb4 Ke6 48. a4 Kd5 49. a5 Ne4 50. Rd4+ 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.06"]
[Round "7"]
[White "Saltos Velez, Adrian Arturo"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2154"]
[PlyCount "129"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 Bg4 6. Be3 c6 7. h3 Bxf3 8. Qxf3 e6 9. Bd3 Qc7 10. 0-0-0 Bd6 11. g4 Na6 12. a3 0-0-0 13. g5 Nd5 14. Nxd5 exd5 15. Bxa6 bxa6 16. Rd3 Rd7 17. Rb3 Qa5 18. Bd2 Qa4 19. Bb4 Bxb4 20. Rxb4 Qa5 21. Re1 Qc7 22. Re3 a5 23. Rbb3 Re7 24. Qg4+ Kd8 25. Rxe7 Kxe7 26. Qe2+ Kd7 27. Re3 Qd6 28. Qf3 Qg6 29. Qg4+ f5 30. gxf6+ Qxg4 31. Re7+ Kd6 32. hxg4 gxf6 33. Rxa7 h5 34. gxh5 Rxh5 35. Rxa5 Rf5 36. a4 Rxf2 37. Ra8 f5 38. b3 f4 39. Kb2 Rf1 40. Rf8 Ke7 41. Rf5 Ke6 42. Re5+ Kd6 43. a5 Kc7 44. Re7+ Kb8 45. Rf7 f3 46. Kc3 Ra1 47. Kb4 Rc1 48. c3 Rf1 49. Kc5 f2 50. Kb6 Kc8 51. Kxc6 Kd8 52. Kxd5 Rc1 53. Rxf2 Rxc3 54. b4 Kc7 55. Rf7+ Kc8 56. a6 Kb8 57. b5 Rc8 58. b6 Rg8 59. Kc5 Rc8+ 60. Rc7 Rg8 61. d5 Rh8 62. a7+ Ka8 63. b7+ Kxa7 64. Rc8 Rxc8+ 65. bxc8R 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.05"]
[Round "5"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Romero Barreto, Jaime Jose"]
[Result "1-0"]
[ECO "E69"]
[BlackElo "2049"]
[PlyCount "71"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 Nbd7 7. Nc3 c6 8. e4 e5 9. Re1 Re8 10. h3 Qc7 11. Be3 h6 12. Qd2 Kh7 13. b4 exd4 14. Nxd4 Ne5 15. Qe2 Be6 16. Nxe6 fxe6 17. f4 Ned7 18. Rac1 Rf8 19. Qd2 Nb6 20. Qe2 Nh5 21. c5 Nc8 22. cxd6 Qxd6 23. e5 Qxb4 24. Qg4 Ne7 25. Ne4 b6 26. Qxe6 Nf5 27. Bf2 c5 28. Rcd1 Rad8 29. Rxd8 Rxd8 30. Qf7 Nfxg3 31. Nxg3 Qxf4 32. e6 Qxf7 33. exf7 Nf6 34. Re7 Nd7 35. Re8 Rb8 36. Bc6 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.04"]
[Round "4"]
[White "Castro, Jose Luis"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1940"]
[PlyCount "131"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. g3 Nf6 5. Bg2 c6 6. Nf3 Bg4 7. 0-0 e6 8. d3 Qc7 9. Bf4 Bd6 10. Bxd6 Qxd6 11. Qe2 Nbd7 12. Ne4 Qc7 13. Nxf6+ Nxf6 14. Qe5 Qxe5 15. Nxe5 Bf5 16. a4 Nd7 17. Nc4 Ke7 18. a5 a6 19. Ra4 Rac8 20. Rb4 Rc7 21. h4 h5 22. Re1 Rd8 23. Bf3 Nf6 24. Ne3 Bg6 25. Rc4 Kf8 26. Ng2 Nd5 27. Re5 Re7 28. Nf4 Nxf4 29. Rxf4 f6 30. Kf1 Bf7 31. Rc5 e5 32. Rb4 g6 33. Rc3 Rd6 34. Ra3 Red7 35. Ke2 Ke7 36. Ke3 Kd8 37. Rb6 Rd4 38. b4 Kc8 39. c4 f5 40. b5 e4 41. dxe4 fxe4 42. bxa6 bxa6 43. Rxc6+ Kb7 44. Rb6+ Kc7 45. Bxe4 Bxc4 46. Rc3 Kd8 47. Rxg6 Bf7 48. Rxa6 Ra4 49. Ra8+ Ke7 50. Bc6 Rc7 51. Bxa4 Rxc3+ 52. Kd2 Rf3 53. Ke2 Ra3 54. Bc6 Bc4+ 55. Kd2 Kd6 56. Be4 Ke5 57. Bc2 Rf3 58. Ke1 Ra3 59. Rh8 Bf7 60. Rh7 Kf6 61. a6 Ra1+ 62. Kd2 Ra2 63. Kc3 Rxc2+ 64. Kxc2 Bg6+ 65. Kc3 Bxh7 66. Kd4 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.03"]
[Round "3"]
[White "Balza Rodriguez, Oswaldo de Jesus"]
[Black "Bassan, Remo"]
[Result "1-0"]
[ECO "A83"]
[BlackElo "2164"]
[PlyCount "61"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 5. Bxf6 exf6 6. Nxe4 d5 7. Ng3 Kf7 8. Bd3 g6 9. Qd2 h5 10. 0-0-0 Bh6 11. f4 Qd6 12. Rf1 Kg7 13. Kb1 Na6 14. c3 c5 15. N3e2 cxd4 16. Nxd4 Nc5 17. Bc2 Re8 18. Nge2 Ne4 19. Qd3 Bd7 20. h3 f5 21. Ka1 Kh8 22. g4 fxg4 23. hxg4 Bxg4 24. f5 Nd2 25. fxg6 Ne4 26. g7+ Bxg7 27. Nf5 Qa6 28. Qxd5 Bxe2 29. Nxg7 Bxf1 30. Nxe8 Ng3 31. Qe5+ 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.03"]
[Round "2"]
[White "Pulvett Marin, Daniel Eduardo"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2243"]
[PlyCount "91"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 Be7 6. Nf3 Bg4 7. Bc4 Nf6 8. h3 Bxf3 9. Qxf3 Nbd7 10. 0-0 Nf8 11. Ne2 Ng6 12. Ng3 0-0 13. Nf5 Ne8 14. Ra3 Bg5 15. Bxg5 Qxg5 16. Rb3 Ra7 17. Rb6 Nh4 18. Nxh4 Qxh4 19. a5 f5 20. Bd3 fxe4 21. Qxe4 Rf4 22. Qe1 Rf7 23. b4 c4 24. Be4 Ra8 25. f3 Qg5 26. Qe2 Rc8 27. Rb1 Nf6 28. Rxd6 Nh5 29. Qf2 Ng3 30. Re1 Rf4 31. Kh2 Nh5 32. Re6 Rcf8 33. Rxe5 Qh6 34. Re6 Nf6 35. Qg3 g6 36. d6 Nh5 37. Bd5 Kh8 38. Qf2 Qg5 39. R1e5 Qd8 40. Qe1 Ng7 41. Qc3 Nxe6 42. Rxe6+ R8f6 43. Qe5 h6 44. d7 Kh7 45. Re7+ Kh8 46. Re8+ 1-0

[Event "Caribbean-ch U20"]
[Site "Merida"]
[Date "2010.05.02"]
[Round "1"]
[White "Zavarce Sayago, Oscar Enrique"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2124"]
[PlyCount "110"]
[EventDate "2010.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "VEN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. Nc3 Qxd4 5. Qxd4 exd4 6. Nb5 Na6 7. Nxd4 Bc5 8. Ngf3 Nf6 9. Bxa6 bxa6 10. 0-0 0-0 11. Bf4 Bb6 12. c4 c5 13. Nc6 Be6 14. b3 Rfe8 15. Rfe1 Rac8 16. Nce5 h6 17. h3 a5 18. Bd2 Bf5 19. Bc3 Ne4 20. Bb2 a4 21. Red1 Ba5 22. Nd3 Nc3 23. Bxc3 Bxc3 24. Rac1 Bf6 25. bxa4 Re2 26. a3 Ra2 27. Nf4 Rxa3 28. Rd6 Rxa4 29. Nd5 Be6 30. Nxf6+ gxf6 31. Nd2 Kf8 32. Kf1 Ke7 33. Rd3 Rb8 34. Rdc3 Rb2 35. R1c2 Rxc2 36. Rxc2 Kd6 37. Ke2 a5 38. Rc3 Ra2 39. Ke3 a4 40. Ne4+ Kc6 41. Nxf6 a3 42. Ne4 Ra1 43. Nd2 a2 44. Nb3 Re1+ 45. Kf4 a1Q 46. Nxa1 Rxa1 47. Ke4 Rd1 48. f4 Rd4+ 49. Ke5 Bxc4 50. g4 Bd5 51. h4 Re4+ 52. Kf5 Rc4 53. Rg3 Kd6 54. h5 Be6+ 55. Kf6 Rxf4+ 0-1

