[Event "COL-ch U08"]
[Site "Cali"]
[Date "2009.05.22"]
[Round "3.12"]
[White "Perez, Juan Esteban"]
[Black "Martinez, Cristian Camilo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1321"]
[PlyCount "23"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Bc4 e5 5. Nf3 Bd6 6. 0-0 Nf6 7. Ng5 Nc6 8. Nxf7 Kd7 9. Nxd8 Rxd8 10. d3 Rf8 11. Bg5 Ne8 12. Qg4+ 1-0

[Event "COL-ch U08"]
[Site "Cali"]
[Date "2009.05.22"]
[Round "5.10"]
[White "Perez, Juan Esteban"]
[Black "Villamil Largo, Joan Esteban"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1321"]
[PlyCount "35"]
[EventDate "2009.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. Nc3 Nf6 4. Bc4 0-0 5. 0-0 Ng4 6. d4 Be7 7. h3 Nf6 8. dxe5 Nh5 9. Be3 Bh4 10. Qd2 Qe7 11. Bg5 Bxg5 12. Nxg5 Qc5 13. Bd5 Ng3 14. Rfe1 c6 15. Bxf7+ Kh8 16. Qf4 Qe7 17. Qh4 d6 18. Qxh7# 1-0

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.05.03"]
[Round "9"]
[White "Ma, Ling"]
[Black "Perez, Juan Esteban"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "55"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. f4 0-0 9. a4 Qb6 10. Kh1 Nc6 11. Nb3 Qc7 12. Be3 Bd7 13. Qe1 Rae8 14. Qg3 d5 15. exd5 exd5 16. Rad1 Be6 17. f5 Qxg3 18. hxg3 Bd7 19. Nxd5 Ne4 20. Kh2 Bd6 21. Bf4 Bxf4 22. Rxf4 Nxg3 23. Bg4 Ne4 24. Nc7 Rc8 25. Nxa6 bxa6 26. Rxe4 f6 27. Rxd7 Ne5 28. Rd2 1-0

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.05.01"]
[Round "7"]
[White "Perez, Juan Esteban"]
[Black "Zhou, Xiangheng"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "96"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. Bd3 Nbd7 8. 0-0 Nxe4 9. Bxe7 Nxc3 10. Bxd8 Nxd1 11. Raxd1 Kxd8 12. Kh1 Ne5 13. f4 Nxd3 14. Rxd3 Ke7 15. Re1 Bd7 16. Nf5+ Kf6 17. Nxd6 b6 18. Ne4+ Ke7 19. Ng3 Rac8 20. f5 Rhd8 21. fxe6 Bxe6 22. Rxd8 Rxd8 23. h3 Rd2 24. Rc1 a6 25. Ne4 Rd4 26. Nc3 Bf5 27. Nd1 Rd2 28. Ne3 Be4 29. a3 Re2 30. Nc4 Rxg2 31. Ne3 Rxc2+ 32. Kg1 Rxc1+ 33. Kf2 Rb1 34. Nc4 Bd3 35. Nxb6 Rxb2+ 36. Ke3 Rxb6 37. Kxd3 Rb3+ 38. Kc2 Rxa3 39. h4 Rf3 40. h5 a5 41. Kb2 a4 42. Ka2 f5 43. Kb2 Rb3+ 44. Ka2 f4 45. Ka1 f3 46. Ka2 f2 47. Ka1 f1Q+ 48. Ka2 Qb1# 0-1

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.05.01"]
[Round "6"]
[White "Zantye, Riddhi Pravin"]
[Black "Perez, Juan Esteban"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "81"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 0-0 5. Bg5 d6 6. h3 Nbd7 7. a4 a5 8. Bc4 Nb6 9. Bb3 Bd7 10. 0-0 Rc8 11. Qd2 c5 12. Rad1 c4 13. Ba2 Qc7 14. Bxf6 Bxf6 15. Nb5 Bxb5 16. axb5 c3 17. bxc3 Qxc3 18. Qxc3 Rxc3 19. Rc1 Rfc8 20. e5 dxe5 21. dxe5 Bg7 22. e6 f6 23. Bb1 Bh6 24. Rcd1 Nc4 25. Rd7 Bf8 26. Rxb7 Nd6 27. Ra7 Nxb5 28. Rxa5 Na3 29. Ba2 Nxc2 30. Rb1 Bh6 31. Rb7 Bf4 32. Rxe7 Nd4 33. g3 Nxf3+ 34. Kg2 Bd6 35. Rd7 Bb4 36. e7+ Kg7 37. e8Q+ Kh6 38. Qf7 Ng5 39. Qg7+ Kh5 40. g4+ Kh4 41. Qh6# 1-0

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.04.30"]
[Round "5"]
[White "Benetos, Mihalis"]
[Black "Perez, Juan Esteban"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "112"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. 0-0 Nxe4 5. d4 g6 6. Bf4 Bg7 7. Nc3 Nxc3 8. bxc3 0-0 9. Re1 Bg4 10. Bg5 Re8 11. Bb5 Nc6 12. Bxc6 bxc6 13. Qc1 Bxf3 14. gxf3 cxd4 15. cxd4 Bxd4 16. Rb1 Rb8 17. Rxb8 Qxb8 18. Bxe7 Qb6 19. Bh4 Rxe1+ 20. Qxe1 Qb2 21. Qe8+ Kg7 22. Qxc6 Bc5 23. Qa4 Qc1+ 24. Kg2 g5 25. Bg3 h5 26. h4 gxh4 27. Bxh4 Qd2 28. Qe4 Qd4 29. Qe7 d5 30. Bf6+ Qxf6 31. Qxc5 Qg5+ 32. Kf1 Qc1+ 33. Ke2 h4 34. Qc8 Qh6 35. Qf5 h3 36. Ke1 h2 37. Qg4+ Kh7 38. f4 h1R+ 39. Ke2 Qe6+ 40. Qxe6 fxe6 41. Kd3 Ra1 42. Kd4 Rxa2 43. Ke5 Rxc2 44. Kxe6 Rxf2 45. f5 Kg8 46. f6 Kf8 47. f7 Rxf7 48. Kxd5 a5 49. Kc4 Ra7 50. Kb3 a4+ 51. Ka2 a3 52. Ka1 a2 53. Kb2 a1Q+ 54. Kb3 Rc7 55. Kb4 Qb1+ 56. Ka5 Ra7# 0-1

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.04.28"]
[Round "3"]
[White "Ansuman, Singh"]
[Black "Perez, Juan Esteban"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2138"]
[PlyCount "111"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nbd2 Nc6 8. a3 Bg4 9. h3 Bd7 10. Re1 Qc7 11. Nf1 Rae8 12. h4 Qc8 13. e5 dxe5 14. Nxe5 Bh3 15. Nxc6 bxc6 16. Be3 Bxg2 17. Kxg2 Qf5 18. b4 cxb4 19. axb4 Ng4 20. Rxa7 Nxe3+ 21. Nxe3 Qc8 22. Nc4 Qb8 23. Rexe7 Rxe7 24. Rxe7 Qxb4 25. Rc7 Qb5 26. Qf3 Qb1 27. Na5 Qxc2 28. Rxc6 Qa4 29. Nb7 Rb8 30. Rc4 Qa7 31. Nd6 Be5 32. Ne4 Qb7 33. Ng5 Qxf3+ 34. Nxf3 Bg7 35. d4 Rd8 36. Ne5 Bxe5 37. dxe5 Re8 38. f4 Kg7 39. Kf3 h5 40. Ke4 f5+ 41. Kd4 Rd8+ 42. Kc3 Kf7 43. Rc6 Re8 44. Rc7+ Re7 45. Rxe7+ Kxe7 46. Kd4 Ke6 47. Kc5 Kd7 48. Kd5 Ke7 49. e6 Ke8 50. Kd6 Kd8 51. e7+ Ke8 52. Ke6 g5 53. hxg5 h4 54. g6 hxg3 55. g7 g2 56. g8Q# 1-0

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.04.28"]
[Round "2"]
[White "Perez, Juan Esteban"]
[Black "Choo Zhenghao, Daniel"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "88"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nxc6 bxc6 7. Bd3 d6 8. 0-0 Nf6 9. Kh1 0-0 10. Bg5 a5 11. f4 Ng4 12. Qe2 Qc7 13. h3 Nf6 14. Rae1 Nh5 15. Qe3 Qa7 16. Qxa7 Rxa7 17. Rf3 Nf6 18. e5 Nd5 19. exd6 exd6 20. Nxd5 cxd5 21. c3 Bb7 22. Rfe3 a4 23. Re8 h6 24. Rxf8+ Kxf8 25. Be7+ Kg8 26. Bxd6 Ba6 27. Re8+ Kh7 28. Bxa6 Rxa6 29. Rd8 Bf6 30. Rd7 Rb6 31. Rxf7+ Kg8 32. Rxf6 Rxb2 33. Rxg6+ Kh7 34. Re6 Rb1+ 35. Kh2 Kg7 36. f5 Rf1 37. Be5+ Kf7 38. Rxh6 Rxf5 39. Bd6 Rf6 40. Rxf6+ Kxf6 41. h4 Kg6 42. g4 Kh6 43. Kg3 Kg6 44. Kf4 Kf6 1-0

[Event "World School-ch U07 5th"]
[Site "Thessaloniki"]
[Date "2009.04.27"]
[Round "1"]
[White "Ivanovic, Konstantinos"]
[Black "Perez, Juan Esteban"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "56"]
[EventDate "2009.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. h3 g6 3. Bf4 Bg7 4. Nf3 0-0 5. e3 d6 6. Bd3 Nc6 7. c3 Re8 8. Qb3 e5 9. dxe5 dxe5 10. Bg5 Qxd3 11. Nbd2 Qd7 12. Rd1 Qe6 13. Qa3 Bf8 14. Qb3 Qxb3 15. Nxb3 Bg7 16. Bxf6 Bxf6 17. Ke2 e4 18. Nfd4 Nxd4+ 19. cxd4 Bd7 20. Rc1 c6 21. f3 exf3+ 22. gxf3 Rad8 23. Na5 Bxd4 24. Nxb7 Rxe3+ 25. Kd2 Rb8 26. Rhe1 Rxe1 27. Rxe1 Rxb7 28. Re4 Bxb2 0-1

[Event "COL-ch U10"]
[Site "Manizales"]
[Date "2009.01.11"]
[Round "7.14"]
[White "Perez, Juan Esteban"]
[Black "Cabrera, Miguel Angel1111"]
[Result "1-0"]
[ECO "C23"]
[WhiteElo "1300"]
[BlackElo "1300"]
[PlyCount "39"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. Bc4 Bb6 4. 0-0 Nf6 5. Ng5 0-0 6. Nxf7 Rxf7 7. Bxf7+ Kxf7 8. Nc3 d6 9. Nd5 Nxd5 10. exd5 c6 11. dxc6 bxc6 12. Qf3+ Qf6 13. Qxf6+ gxf6 14. d3 Bg4 15. Kh1 Be2 16. Re1 Bg4 17. f3 Bf2 18. Re2 Bxf3 19. Rxf2 Bh5 20. Be3 1-0

[Event "COL-ch U10"]
[Site "Manizales"]
[Date "2009.01.09"]
[Round "3.14"]
[White "Esquivel, Duvan"]
[Black "Perez, Juan Esteban"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1310"]
[BlackElo "1300"]
[PlyCount "44"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nf6 5. e5 Ng8 6. Nf3 f6 7. Bc4 e6 8. Bf4 fxe5 9. Bxe5 Nf6 10. Qd2 Bb4 11. 0-0 Ne4 12. Qd4 Nxc3 13. bxc3 Nc6 14. Qd3 Nxe5 15. Nxe5 Bc5 16. Kh1 0-0 17. f3 d5 18. Bb3 Qh4 19. g3 Qh6 20. Bc2 Bd6 21. Rfe1 b6 22. Kg1 Bc5+ 0-1

[Event "COL-ch U10"]
[Site "Manizales"]
[Date "2009.01.08"]
[Round "2.13"]
[White "Herrera, Victor Manuel"]
[Black "Perez, Juan Esteban"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1417"]
[BlackElo "1300"]
[PlyCount "59"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 e6 6. Nf3 Bb4 7. 0-0 Nf6 8. e5 Bxc3 9. bxc3 Ng8 10. Qe2 Nge7 11. h3 0-0 12. Nh2 d5 13. exd6 Qxd6 14. Qh5 g6 15. Qh6 Nf5 16. Qg5 Qe7 17. Qxe7 Ncxe7 18. Ng4 Kg7 19. Rb1 Re8 20. Ne5 a6 21. g4 Nh6 22. Bxh6+ Kxh6 23. Nxf7+ Kg7 24. Ng5 b5 25. Bxe6 Kh8 26. Nf7+ Kg7 27. Bxc8 Raxc8 28. Nd6 Rcd8 29. Nxe8+ Rxe8 30. Rfd1 1-0

[Event "COL-ch U10"]
[Site "Manizales"]
[Date "2009.01.08"]
[Round "1.14"]
[White "Perez, Juan Esteban"]
[Black "Escobar Castaneda, Daniel"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1300"]
[BlackElo "1538"]
[PlyCount "90"]
[EventDate "2009.01.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Bc4 Bb7 7. 0-0 Nf6 8. e5 Bc5 9. Qf4 Nd5 10. Bxd5 Bxd5 11. c4 Bc6 12. Nc3 0-0 13. Be3 Bxe3 14. fxe3 d6 15. Rad1 dxe5 16. Rxd8 exf4 17. Rxf8+ Kxf8 18. Rxf4 Re8 19. Kf2 Rd8 20. Ke2 Bxg2 21. Rh4 h6 22. Rg4 Bc6 23. Rd4 Re8 24. Nd5 Bxd5 25. Rxd5 Ke7 26. Re5+ Kd8 27. Rxe8+ Kxe8 28. Kd3 Kd7 29. Ke4 Ke6 30. Kd4 Kd6 31. e4 f6 32. b4 c5+ 33. bxc5+ bxc5+ 34. Kd3 g5 35. h3 h5 36. Ke3 Ke5 37. a4 a5 38. Kd3 g4 39. hxg4 hxg4 40. Ke3 g3 41. Kf3 g2 42. Kxg2 Kxe4 43. Kf1 f5 44. Kg1 Ke3 45. Kf1 Kf3 0-1

