[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.10"]
[Round "10"]
[White "Ordunez Echarte, Dennys"]
[Black "Sanchez Ruiz, Osvaldo Rafael"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2269"]
[BlackElo "2023"]
[PlyCount "45"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[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 Qd8 4. g3 Nf6 5. Bg2 c6 6. d4 Bg4 7. Nge2 e6 8. Be3 Nbd7 9. h3 Bf5 10. g4 Bg6 11. Nf4 Bb4 12. Nxg6 hxg6 13. 0-0 Qc7 14. f4 0-0-0 15. Qf3 Nb6 16. Ne2 Nc4 17. Bc1 Nb6 18. c4 Be7 19. b3 Nfd7 20. a4 a6 21. a5 Na8 22. Be3 Kb8 23. b4 1-0

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.09"]
[Round "9"]
[White "Sanchez Ruiz, Osvaldo Rafael"]
[Black "Infante Machin, Brian Jose"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2023"]
[BlackElo "2134"]
[PlyCount "104"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 h6 4. Bxf6 Qxf6 5. e3 g6 6. Nbd2 Qe7 7. c3 Bg7 8. Bd3 0-0 9. Qe2 d6 10. 0-0-0 Nd7 11. Kb1 e5 12. dxe5 dxe5 13. e4 Nc5 14. Bc2 c6 15. Nb3 Ne6 16. g3 a5 17. Nbd2 b5 18. c4 Ba6 19. cxb5 Bxb5 20. Bd3 Ba4 21. Rc1 Rfb8 22. Nc4 Nc5 23. Ne3 Nxd3 24. Qxd3 Rb4 25. Nc2 Rb7 26. Qa3 Qf6 27. Qxa4 Qxf3 28. Rhf1 Rxb2+ 29. Kxb2 Rb8+ 30. Qb3 Rxb3+ 31. axb3 Qxe4 32. Ne3 Qd4+ 33. Ka2 e4 34. Nc4 Qd3 35. Rfd1 Qf3 36. Rd2 Bf6 37. Rdc2 Qd3 38. Nb2 Qd4 39. Rd1 Qa7 40. Re1 Qd4 41. Rd1 Qe5 42. Na4 Qf5 43. Re2 Qh5 44. Rdd2 Bg5 45. Rc2 f5 46. h4 Be7 47. Red2 Qf3 48. Rc3 Qg2 49. Rdc2 c5 50. Nxc5 Bf6 51. Na4 Bxc3 52. Nxc3 e3 0-1

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.08"]
[Round "8"]
[White "Garcia Pantoja, Roberto"]
[Black "Sanchez Ruiz, Osvaldo Rafael"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2369"]
[BlackElo "2023"]
[PlyCount "81"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h6 7. Be3 Nd7 8. Qd2 Qa5 9. Bg2 Ne7 10. 0-0 Qc7 11. Rac1 0-0-0 12. Nf4 Bh7 13. h3 a6 14. Na4 b5 15. Nc3 Kb8 16. Nce2 c5 17. a4 c4 18. axb5 axb5 19. b3 Nc6 20. bxc4 bxc4 21. Ra1 Nb6 22. Rfb1 Kc8 23. Ra6 Nb4 24. Rxb4 c3 25. Qxc3 Qxc3 26. Nxc3 Bxb4 27. Rxb6 Bxc3 28. Rc6+ Kd7 29. Rxc3 Rc8 30. Ra3 Bxc2 31. Nh5 g6 32. Nf6+ Ke7 33. Ra7+ Kf8 34. Nxd5 exd5 35. Bxd5 g5 36. Rxf7+ Ke8 37. Rf6 Rh7 38. Bc6+ Kd8 39. d5 Kc7 40. Bc5 h5 41. e6 1-0

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.05"]
[Round "6"]
[White "Sanchez Ruiz, Osvaldo Rafael"]
[Black "Hevia Alejano, Carlos Antonio"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2023"]
[BlackElo "2332"]
[PlyCount "104"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 c5 5. e3 b6 6. Nbd2 Bb7 7. Bd3 cxd4 8. exd4 Be7 9. c3 d6 10. Qe2 Nbd7 11. Bg3 0-0 12. 0-0 Nh5 13. Ne1 Nxg3 14. hxg3 Nf6 15. Ne4 Rc8 16. f4 Re8 17. Nf3 Rc7 18. Rfe1 Qa8 19. Nxf6+ Bxf6 20. Be4 Rec8 21. Bd3 Bxf3 22. Qxf3 Qxf3 23. gxf3 h5 24. Kg2 g6 25. a4 Kg7 26. g4 Rh8 27. Rh1 d5 28. Rae1 Be7 29. f5 gxf5 30. gxf5 Kf6 31. fxe6 fxe6 32. Re5 h4 33. Rhe1 Rc6 34. f4 h3+ 35. Kh1 Bd8 36. f5 Bc7 37. Rxe6+ Rxe6 38. fxe6 Bd6 39. Bb5 Rh4 40. Bd7 h2 41. Rf1+ Kg6 42. Bc6 Re4 43. Bxd5 Re2 44. Rb1 Kg5 45. Bc4 Re3 46. Rf1 Kg4 47. Ba2 Re2 48. Rb1 Kg3 49. c4 Rd2 50. c5 bxc5 51. dxc5 Bxc5 52. Bc4 Rg2 0-1

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.04"]
[Round "5"]
[White "Sanchez Ruiz, Osvaldo Rafael"]
[Black "Ordunez Echarte, Dennys"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2023"]
[BlackElo "2269"]
[PlyCount "62"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 b6 4. e3 Bb7 5. Nbd2 c5 6. Bd3 d6 7. c3 Be7 8. e4 Nbd7 9. e5 dxe5 10. dxe5 Ng4 11. Bxe7 Kxe7 12. Qe2 Qc7 13. Be4 Bxe4 14. Qxe4 Ndxe5 15. h3 Nxf3+ 16. Nxf3 Nf6 17. Qe3 Rad8 18. 0-0 Rd5 19. c4 Rf5 20. g3 g5 21. Kg2 g4 22. Nh4 Rh5 23. hxg4 Nxg4 24. Qf3 Rxh4 25. Rh1 Ne5 26. Rxh4 Nxf3 27. Kxf3 Qc6+ 28. Ke3 Rd8 29. Rxh7 Qd6 30. Rh4 Qd3+ 31. Kf4 Rd4+ 0-1

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.03"]
[Round "4"]
[White "Infante Machin, Brian Jose"]
[Black "Sanchez Ruiz, Osvaldo Rafael"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2134"]
[BlackElo "2023"]
[PlyCount "82"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Nbd2 Nbd7 6. Bd3 dxc4 7. Nxc4 c5 8. 0-0 Be7 9. Re1 0-0 10. e4 cxd4 11. e5 Ne8 12. Nxd4 g6 13. Bh6 Ng7 14. Be4 a6 15. Re3 Re8 16. Rh3 Nf5 17. Nxf5 exf5 18. Bxf5 Nxe5 19. Bxc8 Qxd1+ 20. Rxd1 Nxc4 21. Bxb7 Nxb2 22. Rb1 Ra7 23. Rb3 Nc4 24. Bd5 Bf8 25. Bxf8 Nd2 26. Rb8 Kxf8 27. Rxe8+ Kxe8 28. Rb2 Re7 29. f3 Re2 30. Bc4 Nxf3+ 31. gxf3 Rxb2 32. Bxa6 Rxa2 33. Bb5+ Ke7 34. Bc4 Rb2 35. Bd5 f5 36. Bc6 Kf6 37. Bd5 h5 38. Bc6 h4 39. Bd5 Ke5 40. Bc6 Kf4 41. Bd5 h3 0-1

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.07.02"]
[Round "3"]
[White "Sanchez Ruiz, Osvaldo Rafael"]
[Black "Garcia Pantoja, Roberto"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2023"]
[BlackElo "2369"]
[PlyCount "90"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Nf6 5. dxc5 Qa5+ 6. Nc3 Nc6 7. e4 e5 8. Be3 Bxc5 9. Bxc5 Qxc5 10. Qd2 0-0 11. 0-0-0 Rd8 12. Nge2 d6 13. Nd5 Nxd5 14. exd5 Ne7 15. Nc3 Nf5 16. Re1 Nd4 17. Ne4 Qxd5 18. c3 Qc6 19. Qg5 Bf5 20. Kb1 Bxe4+ 21. fxe4 Ne6 22. Qf5 b5 23. g3 a5 24. Bg2 b4 25. Rhf1 Qd7 26. Re3 Rdc8 27. Ref3 bxc3 28. Qxf7+ Qxf7 29. Rxf7 Nd4 30. R7f2 Rab8 31. Bh3 Rc7 32. Bg4 Rcb7 33. b3 a4 34. Bh5 g6 35. Bd1 axb3 36. Bxb3+ Nxb3 37. axb3 Rxb3+ 38. Kc2 Ra3 39. Rb1 Rc8 40. Rf3 Ra2+ 41. Kb3 Rxh2 42. Rff1 Re2 43. Rg1 Rxe4 44. Rbc1 Re3 45. Kc2 d5 0-1

[Event "Havana Province-ch U20"]
[Site "Havana"]
[Date "2009.06.29"]
[Round "1"]
[White "Hevia Alejano, Carlos Antonio"]
[Black "Sanchez Ruiz, Osvaldo Rafael"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2332"]
[BlackElo "2023"]
[PlyCount "55"]
[EventDate "2009.06.22"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "CUB"]
[EventCategory "1"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Bg5 h6 9. Be3 c6 10. h3 Qe7 11. Qd2 Kh7 12. dxe5 dxe5 13. Rfd1 Ne8 14. a3 Nc7 15. b4 f5 16. Qd6 Qxd6 17. Rxd6 f4 18. Bc1 Ne8 19. Rd2 b6 20. Bb2 Rf7 21. Rad1 Nf8 22. Rd8 Nc7 23. R1d6 Bb7 24. Rxa8 Bxa8 25. Nd2 c5 26. bxc5 bxc5 27. Bg4 Bxe4 28. Ndxe4 1-0

