[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.26"]
[Round "11"]
[White "Seibt, Sascha"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1906"]
[BlackElo "1950"]
[PlyCount "32"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. b3 Nd7 5. Bb2 e6 6. 0-0 Ngf6 7. c4 Bd6 8. d4 h5 9. Nc3 h4 10. Nxh4 Rxh4 11. gxh4 Nh5 12. Qe1 Bf3 13. e4 dxe4 14. Qd2 Bxh2+ 15. Kxh2 Qxh4+ 16. Kg1 Qg4 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.25"]
[Round "10"]
[White "Chang, Pierre"]
[Black "Nurzhanov, Timur"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1950"]
[BlackElo "2255"]
[PlyCount "66"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Bb4 5. Nf3 h6 6. Bh4 g5 7. Bg3 Ne4 8. Qc2 h5 9. h4 g4 10. Ne5 Bxc3+ 11. bxc3 Nxg3 12. fxg3 Nd7 13. Nxd7 Bxd7 14. e4 Qe7 15. e5 0-0-0 16. Bd3 f6 17. exf6 Qxf6 18. Rf1 Qe7 19. 0-0-0 e5 20. cxd5 exd4 21. cxd4 Qe3+ 22. Kb1 Qxg3 23. Rf6 Kb8 24. Rdf1 Qxh4 25. Qc5 Qg3 26. Bc4 Rhe8 27. Rc1 Re1 28. d6 cxd6 29. Qb4 Rxc1+ 30. Kxc1 Qe3+ 31. Qd2 Qa3+ 32. Qb2 Qa5 33. Qb3 Qg5+ 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.24"]
[Round "9"]
[White "Hafstad, Leif"]
[Black "Chang, Pierre"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1808"]
[BlackElo "1950"]
[PlyCount "89"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. Qe2 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ng8 11. Be3 Nge7 12. Nc3 Nc8 13. Ne1 Be7 14. f4 f5 15. Kh1 0-0 16. Rg1 Nb6 17. Nd3 Rac8 18. g4 fxg4 19. Qxg4 Rf7 20. Raf1 Bf8 21. Ne2 Nc4 22. Rf3 Nxe3 23. Rxe3 g6 24. a3 b6 25. Nf2 Ne7 26. Ng3 Rg7 27. Qe2 Rc4 28. Ng4 Qc8 29. Nf6+ Kh8 30. Rd1 Rf7 31. Rf3 a6 32. h4 Bg7 33. Ng4 Nf5 34. Nxf5 gxf5 35. Ne3 Rc6 36. Rg1 Bh6 37. Qg2 Rcc7 38. Rg3 Rg7 39. Rxg7 Rxg7 40. Qf2 Rxg1+ 41. Kxg1 Qc1+ 42. Kh2 Qb1 43. Ng2 Qe4 44. Qd2 Kg7 45. Kg3 1/2-1/2

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.23"]
[Round "8"]
[White "Chang, Pierre"]
[Black "Kizatbay, Abyl"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1950"]
[BlackElo "2065"]
[PlyCount "76"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 a5 6. 0-0 d5 7. c4 c6 8. d3 Nbd7 9. Qc2 b6 10. Nbd2 Bb7 11. e3 Qb8 12. d4 Rc8 13. Rfc1 c5 14. Qd1 e6 15. Bc3 Rd8 16. Qc2 Qa7 17. Qb2 a4 18. b4 cxb4 19. Bxb4 a3 20. Qb3 dxc4 21. Nxc4 Bd5 22. Nfd2 b5 23. Bxd5 Nxd5 24. Nd6 Qa4 25. Bc5 Nxc5 26. dxc5 Bxa1 27. Rxa1 Qb4 28. Qxb4 Nxb4 29. Nb3 Rab8 30. Kf1 Kf8 31. Ke2 Ke7 32. h3 Na6 33. Ne4 f5 34. Ned2 Rbc8 35. Rc1 Nb4 36. Ra1 e5 37. Nf3 Kf6 38. Nfd2 Nd3 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.22"]
[Round "6"]
[White "Chang, Pierre"]
[Black "Romero Guimaray, Diego"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1950"]
[BlackElo "1940"]
[PlyCount "91"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. b3 d6 5. Bb2 0-0 6. g3 b6 7. Bg2 Bb7 8. 0-0 Nbd7 9. Nbd2 Ne4 10. Qc2 Nxd2 11. Nxd2 Bxg2 12. Kxg2 a5 13. Nf3 e5 14. dxe5 dxe5 15. Rad1 Qe7 16. a3 Rfd8 17. h4 Nc5 18. h5 Rxd1 19. Rxd1 Re8 20. b4 axb4 21. axb4 Nb7 22. b5 Rd8 23. Rxd8+ Nxd8 24. Qe4 f5 25. Qd5+ Nf7 26. h6 Bxh6 27. Nxe5 Bg7 28. f4 Bxe5 29. fxe5 Qd8 30. Qd3 Qxd3 31. exd3 Ng5 32. d4 Ne4 33. d5 Kf7 34. Bd4 Ke7 35. Be3 Nc3 36. Kf3 Nb1 37. c5 Nc3 38. d6+ cxd6 39. exd6+ Kd8 40. cxb6 Kc8 41. Bf4 Nxb5 42. d7+ Kxd7 43. b7 Nd4+ 44. Ke3 Nc6 45. b8Q Nxb8 46. Bxb8 1/2-1/2

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.22"]
[Round "7"]
[White "Slater Jones, Henry"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "1760"]
[BlackElo "1950"]
[PlyCount "56"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[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. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nd3 Ng6 14. b4 Nf6 15. Rc1 Rf7 16. c5 Bf8 17. Qc2 g4 18. cxd6 cxd6 19. Nb5 g3 20. hxg3 Nh5 21. gxf4 Nhxf4 22. Nxf4 Nxf4 23. Bg3 Bh6 24. Bc4 Rg7 25. Qf2 Nh3+ 26. gxh3 Bf4 27. Kh1 Bxg3 28. Qg2 Qh4 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.20"]
[Round "5"]
[White "Winkin, Pol"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1598"]
[BlackElo "1950"]
[PlyCount "116"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 Nc6 7. Nc3 g6 8. Be3 Bg7 9. Be2 0-0 10. 0-0 Rb8 11. Kh1 Bd7 12. Qd2 Rc8 13. Nd5 Nxd5 14. cxd5 Nxd4 15. Bxd4 Bxd4 16. Qxd4 Qc7 17. Bd1 Qc5 18. Qxc5 Rxc5 19. Bb3 Rfc8 20. Rad1 Bb5 21. Rfe1 Bc4 22. Re3 Bxb3 23. Rxb3 Rc1 24. Rg1 b5 25. h3 R1c2 26. Ra3 Rxb2 27. Rxa6 b4 28. Kh2 Rc3 29. Rc6 Rxf3 30. Rc4 Rff2 31. h4 Kg7 32. Kh3 Rfc2 33. Rxc2 Rxc2 34. Rb1 Rc4 35. Re1 h5 36. Kg3 Rc3+ 37. Kf2 Kf6 38. Re3 Rc2+ 39. Re2 Rc4 40. Kf3 Ke5 41. Re3 Rc2 42. a3 bxa3 43. Rxa3 e6 44. dxe6 fxe6 45. Ra5+ Rc5 46. Ra6 Rc3+ 47. Kf2 Rd3 48. Ra5+ Kxe4 49. Rg5 Rd5 50. Rxg6 Rf5+ 51. Ke2 Ke5 52. g4 hxg4 53. Rxg4 Rf4 54. Rg5+ Kd4 55. Rg6 Rxh4 56. Rxe6 Re4+ 57. Rxe4+ Kxe4 58. Kd2 Kd4 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.19"]
[Round "4"]
[White "Chang, Pierre"]
[Black "Coro, Lucas"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1950"]
[BlackElo "2193"]
[PlyCount "84"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[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. b4 a5 10. Ba3 axb4 11. Bxb4 Re8 12. c5 dxc5 13. Bxc5 c6 14. Qb3 cxd5 15. exd5 Nexd5 16. Bc4 Be6 17. Rfd1 Qa5 18. Nxd5 Qxc5 19. Rac1 Nxd5 20. Bxd5 Bxd5 21. Rxc5 Bxb3 22. axb3 e4 23. Ne1 Rad8 24. Rcd5 Bf6 25. Kf1 Rxd5 26. Rxd5 Rd8 27. Rxd8+ Bxd8 28. f3 exf3 29. Nxf3 f5 30. Ke2 Kf7 31. Kd3 Ke6 32. Kc4 g5 33. g3 h5 34. Kc5 g4 35. Nd2 f4 36. gxf4 Bc7 37. Nf1 Bxf4 38. Kb6 h4 39. Kxb7 h3 40. Kc6 Bxh2 41. Nxh2 g3 42. Nf3 h2 0-1

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.18"]
[Round "2"]
[White "Chang, Pierre"]
[Black "Ramirez Madrid, Gerardo Alfonso"]
[Result "1-0"]
[ECO "D88"]
[WhiteElo "1950"]
[BlackElo "1683"]
[PlyCount "73"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Be3 Nc6 9. Ne2 0-0 10. 0-0 Bg4 11. f3 Na5 12. Bb3 cxd4 13. cxd4 Be6 14. Bxe6 fxe6 15. Qa4 a6 16. Bd2 Nc6 17. Bc3 b5 18. Qb3 Nxd4 19. Nxd4 Bxd4+ 20. Kh1 Bxc3 21. Qxc3 Rc8 22. Qb3 Rc4 23. Qa3 Qd6 24. Qe3 Rd8 25. Rac1 Qd2 26. Qg1 a5 27. Rcd1 Rc2 28. Rxd2 Rdxd2 29. Rd1 Rf2 30. a3 a4 31. Rb1 Ra2 32. h4 Rfd2 33. Rxb5 Rxa3 34. Qc5 Ra1+ 35. Kh2 a3 36. Qxe7 Rb2 37. Ra5 1-0

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.18"]
[Round "3"]
[White "Zeman, Matyas"]
[Black "Chang, Pierre"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2203"]
[BlackElo "1950"]
[PlyCount "67"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 Bg4 6. Qb3 Bc8 7. Ngf3 e6 8. Bb5 Be7 9. h3 0-0 10. 0-0 Bd6 11. Bxc6 bxc6 12. Bxd6 Qxd6 13. Qa3 Qc7 14. Qxc5 Ba6 15. Rfe1 Rab8 16. b3 Rb5 17. Qa3 Ra5 18. Qb2 Rb5 19. b4 Rb6 20. Qc2 h6 21. e4 Rc8 22. e5 Nd7 23. Nb3 Rbb8 24. Nc5 Nxc5 25. dxc5 Qe7 26. Qd2 Bc4 27. Nd4 Rc7 28. f4 Re8 29. Qf2 Rb8 30. f5 exf5 31. Qxf5 Re8 32. e6 fxe6 33. Rxe6 Qf7 34. Qxf7+ 1-0

[Event "Wch U16"]
[Site "Montevideo"]
[Date "2017.09.17"]
[Round "1"]
[White "Riess, Alexander"]
[Black "Chang, Pierre"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2353"]
[BlackElo "1950"]
[PlyCount "113"]
[EventDate "2017.09.17"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "URU"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Bg5 Nbd7 9. Nd2 Nc5 10. 0-0 b6 11. b3 h6 12. Be3 Ne8 13. a3 f5 14. f3 f4 15. Bf2 Rf7 16. b4 Nd7 17. Nb3 Bf8 18. Qd2 g5 19. bxa5 bxa5 20. Nb5 Ndf6 21. Nxa5 Rxa5 22. Qxa5 g4 23. Bh4 g3 24. hxg3 Be7 25. g4 Bxg4 26. fxg4 Nxe4 27. Be1 Bh4 28. Bd3 Bxe1 29. Qxe1 Ng3 30. Bg6 Qh4 31. Bxf7+ Kxf7 32. Rxf4+ exf4 33. Qe6+ Kf8 34. Re1 Nf6 35. Nc3 f3 36. gxf3 Nge4 37. Nxe4 Qxe1+ 38. Kg2 Nxe4 39. Qxe4 Qc1 40. Qf5+ Kg7 41. Qd7+ Kg6 42. Qf5+ Kg7 43. Qd3 Qb2+ 44. Kg3 Qc1 45. Qd4+ Kg8 46. a4 Qe1+ 47. Kf4 Qc1+ 48. Kf5 Qc2+ 49. Qe4 Qxa4 50. Kg6 Qd7 51. Qe6+ Qxe6+ 52. dxe6 Kf8 53. Kf6 Ke8 54. f4 c6 55. e7 d5 56. cxd5 cxd5 57. Ke6 1-0

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.12"]
[Round "7.7"]
[White "Chang, Pierre"]
[Black "Smith, Zurich"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "1973"]
[BlackElo "1353"]
[PlyCount "71"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Qf3 Be6 7. Nxe6 fxe6 8. 0-0 Nd4 9. Qh5+ g6 10. Qxe5 Qf6 11. Qxf6 Nxf6 12. Bb3 Nxb3 13. axb3 Bc5 14. Nc3 0-0-0 15. d3 Ng4 16. Ne4 Bb6 17. h3 Ne5 18. Bg5 Rdf8 19. Bf6 Rhg8 20. Bxe5 Rf5 21. d4 Rgf8 22. c3 c5 23. Nd6+ Kd7 24. Nxf5 Rxf5 25. g4 Rg5 26. f4 Rxe5 27. dxe5 c4+ 28. Kg2 cxb3 29. Rad1+ Kc7 30. Rd6 Be3 31. Rxe6 b5 32. Rd1 a5 33. Rf6 a4 34. e6 Bc5 35. Rf7+ Kc6 36. e7 1-0

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.11"]
[Round "5.2"]
[White "Chang, Pierre"]
[Black "Prescod, Bryan"]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "1973"]
[BlackElo "1998"]
[PlyCount "60"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[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. Qc2 c5 5. e3 Nc6 6. Nf3 0-0 7. Bd3 d5 8. cxd5 exd5 9. dxc5 Bxc5 10. 0-0 Nb4 11. Qd2 Nxd3 12. Qxd3 Qd6 13. b3 Bg4 14. Nd4 Rad8 15. Bb2 a6 16. Rac1 Rfe8 17. Nce2 Ba7 18. Ng3 Bb8 19. f4 Ne4 20. Nf3 Qg6 21. Qd4 Nxg3 22. hxg3 Re4 23. Qd2 Ba7 24. Bd4 Bxf3 25. Bxa7 Bh5 26. Qxd5 Ree8 27. Qxb7 Qxg3 28. Bd4 Be2 29. Rf2 Bd3 30. Rc7 Qg6 1/2-1/2

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.11"]
[Round "6.5"]
[White "Issa, Elias"]
[Black "Chang, Pierre"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1566"]
[BlackElo "1973"]
[PlyCount "39"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nc3 Bb7 4. Bd3 d6 5. Nge2 g6 6. Be3 Bg7 7. Qd2 Nd7 8. 0-0-0 c5 9. Bb5 Ngf6 10. dxc5 dxc5 11. Bg5 Bc8 12. e5 h6 13. Bxf6 Bxf6 14. exf6 a6 15. Bxd7+ Bxd7 16. Qd6 Rc8 17. Ne4 Rc6 18. Qg3 Qa8 19. Nd6+ Kf8 20. Nxf7 1-0

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.10"]
[Round "3.2"]
[White "Chang, Pierre"]
[Black "Mc Intosh, Isaiah"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1973"]
[BlackElo "1903"]
[PlyCount "52"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 g6 6. Bc4 Nc6 7. Qd3 Bg7 8. Bf4 0-0 9. Qd2 Qa5 10. 0-0 Bg4 11. Ne1 Rac8 12. h3 Bd7 13. Bb3 Ne5 14. Qe3 Nc4 15. Bxc4 Rxc4 16. f3 Nxe4 17. Qe2 Nxc3 18. bxc3 Rxf4 19. Qxe7 Bc6 20. Nd3 Rc4 21. Qxd6 Rxc3 22. Rad1 Rd8 23. Qe7 Re8 24. Qd6 Rxc2 25. Nb4 Bf8 26. Nxc6 Qb6+ 0-1

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.10"]
[Round "4.5"]
[White "Martin, Mikel"]
[Black "Chang, Pierre"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1621"]
[BlackElo "1973"]
[PlyCount "61"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 d5 3. Bg2 Nf6 4. 0-0 Nc6 5. d4 b6 6. c4 e6 7. Ne5 Nxd4 8. e3 Nf5 9. cxd5 exd5 10. Qa4+ Bd7 11. Nxd7 Qxd7 12. Qxd7+ Kxd7 13. Rd1 Kc6 14. Nc3 Rd8 15. e4 Nd4 16. Bg5 Be7 17. Bxf6 Bxf6 18. Nxd5 Rxd5 19. exd5+ Kd6 20. Rab1 Rd8 21. Kf1 Rc8 22. b3 Rd8 23. Kg1 Ne2+ 24. Kf1 Nc3 25. Rbc1 Nxd1 26. Rxd1 Re8 27. Re1 Rxe1+ 28. Kxe1 Be7 29. Ke2 Bf6 30. Kd1 Be7 31. Ke2 1/2-1/2

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.09"]
[Round "1.5"]
[White "Chang, Pierre"]
[Black "Mahtani, Nitin"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1973"]
[BlackElo "1437"]
[PlyCount "57"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Be4 6. f3 Bh7 7. Bd3 Bxd3 8. Qxd3 e6 9. f4 Ne7 10. Nf3 Nd7 11. f5 c5 12. c3 h5 13. fxe6 fxe6 14. Ng5 Qb6 15. Qf3 0-0-0 16. Nf7 hxg4 17. Qxg4 Rh7 18. Rh2 Nf5 19. Nxd8 Be7 20. Nf7 Bxh4+ 21. Kd1 cxd4 22. cxd4 Qb4 23. Nc3 g5 24. Bxg5 Bxg5 25. Qxg5 Ne3+ 26. Kc1 Rxf7 27. Qxe3 Rf1+ 28. Nd1 Qa4 29. Rc2+ 1-0

[Event "Caribbean Carnival U20"]
[Site "Port of Spain"]
[Date "2015.08.09"]
[Round "2.4"]
[White "Ramdath, Simon"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1708"]
[BlackElo "1973"]
[PlyCount "68"]
[EventDate "2015.08.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "TRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Ne4 7. Qg4 Nxc3 8. Qxg7 Rf8 9. a3 Qa5 10. axb4 Qxa1 11. Nb3 Qb1 12. Bd3 Na2 13. c3 Qxd3 14. Bh6 Kd8 15. Qxf8+ Kc7 16. Qc5+ Nc6 17. Nd4 Qb1+ 18. Kd2 Qxb2+ 19. Kd1 Nxc3+ 20. Ke1 Qxb4 21. Qxb4 Nxb4 22. Bd2 Nd3+ 23. Kf1 Ne4 24. Ke2 Nxe5 25. Bf4 d6 26. Rc1+ Nc6 27. f3 e5 28. Nb5+ Kd7 29. Be3 a6 30. Na3 Nf6 31. Rd1 b5 32. Bc5 Nd4+ 33. Bxd4 exd4 34. Rxd4 Bb7 0-1

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.04.12"]
[Round "9"]
[White "Chang, Pierre"]
[Black "Chou, Justin"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1929"]
[BlackElo "1553"]
[PlyCount "93"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[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 Bg7 4. Nc3 d6 5. e4 Nc6 6. Be2 0-0 7. 0-0 Bd7 8. d5 Nb8 9. Be3 a5 10. a3 Na6 11. Qc2 b6 12. Rab1 Nc5 13. b4 axb4 14. axb4 Nb7 15. Bd4 c5 16. bxc5 Nxc5 17. Qb2 Rb8 18. e5 Nfe4 19. Nxe4 Nxe4 20. e6 Bxd4 21. Qxd4 Nc5 22. exd7 Qxd7 23. Nd2 Rb7 24. Qh4 Qf5 25. Nb3 Na4 26. Nd4 Qe5 27. Bf3 Re8 28. Rbe1 Qg7 29. Nc6 f6 30. Bg4 Nc5 31. Be6+ Nxe6 32. Rxe6 Kf8 33. Re3 Kg8 34. Qd4 Ra8 35. h3 Ra6 36. Rb3 f5 37. Qxg7+ Kxg7 38. Re1 Kf6 39. Rbe3 Ra4 40. Re6+ Kg5 41. Nxe7 Rxc4 42. Rxd6 Rd4 43. Ree6 b5 44. Rb6 Rxb6 45. Rxb6 b4 46. g3 Kh6 47. Nxf5+ 1-0

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.04.09"]
[Round "8"]
[White "Hanoeman, Suradj"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1982"]
[BlackElo "1929"]
[PlyCount "55"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[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. h3 e5 7. d5 Nbd7 8. Be3 a5 9. Bd3 Nc5 10. 0-0 Nh5 11. Qd2 f5 12. exf5 Nxd3 13. Qxd3 gxf5 14. Bg5 Qe8 15. Qd2 f4 16. Bh4 Qg6 17. Kh2 Bf6 18. Rg1 Kh8 19. Rae1 Bxh4 20. Nxh4 Qh6 21. Ne4 Nf6 22. Nf3 Nxe4 23. Rxe4 Rf5 24. Qc2 Bd7 25. Nxe5 dxe5 26. Rxe5 Qb6 27. Rge1 Kg8 28. Rxf5 0-1

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.31"]
[Round "6"]
[White "Malgie, Avikaar"]
[Black "Chang, Pierre"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1827"]
[BlackElo "1929"]
[PlyCount "51"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. Nf3 c5 5. Bb5+ Nc6 6. 0-0 e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. d4 Bd6 10. g3 a6 11. Bxc6+ bxc6 12. dxc5 Bxc5 13. Nd2 Ke7 14. Re1 Qg8 15. Qf3 g5 16. Bxf6+ gxf6 17. Nf1 Qh7 18. c4 a5 19. cxd5 cxd5 20. e4 dxe4 21. Rxe4 Rab8 22. Rc4 Bb6 23. Rd1 Rhd8 24. Rxd8 Bxd8 25. Qc6 Bb6 26. Rc2 1/2-1/2

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.29"]
[Round "5"]
[White "Chang, Pierre"]
[Black "Sanches, Casanova Romario"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1929"]
[BlackElo "2089"]
[PlyCount "101"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c6 5. f3 Qb6 6. Nge2 Nd7 7. Rb1 Ngf6 8. Be3 0-0 9. Qd2 Qc7 10. g4 e5 11. d5 Nb6 12. Ng3 Ne8 13. c5 Nd7 14. cxd6 Nxd6 15. dxc6 bxc6 16. Rc1 Nb6 17. Bxb6 axb6 18. Nd5 Qb7 19. Rxc6 Ne8 20. Rxb6 Qa7 21. a3 Be6 22. Qb4 Bxd5 23. exd5 Nc7 24. Bc4 Rad8 25. d6 Na8 26. Rc6 Qe3+ 27. Be2 Rb8 28. Qc3 Qa7 29. b4 e4 30. Qb3 Qd7 31. Rc5 exf3 32. Qxf3 Qxd6 33. Kf1 Nb6 34. Kg2 Qd4 35. Rd1 Qb2 36. Kh1 Na4 37. Rc7 Be5 38. Re7 Bf6 39. Ra7 Nb6 40. Rf1 Bg7 41. Rxf7 Kh8 42. Qe3 Rxf7 43. Rxf7 Nd5 44. Qf3 Nc3 45. Ra7 Rf8 46. Ra8 h6 47. Rxf8+ Bxf8 48. Qxf8+ Kh7 49. Qf7+ Kh8 50. Bc4 Qc1+ 51. Nf1 1-0

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.27"]
[Round "4"]
[White "Koenders, Etienne"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1726"]
[BlackElo "1929"]
[PlyCount "116"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Bf5 6. e3 Nc6 7. a3 e6 8. Bb5 Bd6 9. h3 0-0 10. Bd3 Bg6 11. Bxg6 hxg6 12. 0-0 Rc8 13. Qd3 a6 14. Bd2 b5 15. e4 dxe4 16. Nxe4 Nxe4 17. Qxe4 Ne7 18. Ng5 Nf5 19. Rac1 Be7 20. Nf3 Nd6 21. Qg4 Nc4 22. Bg5 Re8 23. Rc2 Qd5 24. Bxe7 Rxe7 25. Re1 Rd8 26. Qh4 Red7 27. Ne5 Qxd4 28. Qxd4 Rxd4 29. Nc6 Rd2 30. Rxc4 bxc4 31. Nxd8 Rxd8 32. Rc1 Rd4 33. Kf1 Kf8 34. Ke2 Ke7 35. Rc3 Kd6 36. b3 Kc5 37. bxc4 Rxc4 38. Rb3 Kd6 39. Kd3 Rc5 40. Rb6+ Rc6 41. Rb3 e5 42. Rb7 Ke6 43. Rb4 f5 44. Rb7 Kf6 45. a4 Re6 46. a5 g5 47. Kc4 e4 48. Rb6 f4 49. Kd5 Rxb6 50. axb6 e3 51. fxe3 fxe3 52. b7 e2 53. b8Q e1Q 54. Qd6+ Kf7 55. Qd7+ Qe7 56. Qf5+ Qf6 57. Qd7+ Kg6 58. g4 Qf7+ 0-1

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.25"]
[Round "3"]
[White "Tjong Tjin, Joe Calvin"]
[Black "Chang, Pierre"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "2042"]
[BlackElo "1929"]
[PlyCount "36"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 h6 6. Bxf6 Qxf6 7. Rc1 0-0 8. e3 exd5 9. cxd5 d6 10. Bd3 Bf5 11. Nge2 Nd7 12. 0-0 a6 13. a3 Bxc3 14. Nxc3 b5 15. e4 Bg6 16. Qe2 Rfe8 17. Rce1 Nb6 18. Qe3 Nd7 1/2-1/2

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.22"]
[Round "2"]
[White "Chang, Pierre"]
[Black "Veer, Willem"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1929"]
[BlackElo "1900"]
[PlyCount "30"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. bxc3 Qc7 8. Qd4 Nc6 9. Bb5 Nge7 10. Nf3 a6 11. Qe3 Bd7 12. Bxc6 Bxc6 13. Nd4 Rc8 14. 0-0 Bd7 15. Bd2 Nc6 1/2-1/2

[Event "SUR-ch"]
[Site "Paramaribo"]
[Date "2015.03.20"]
[Round "1"]
[White "Prade, Cedric"]
[Black "Chang, Pierre"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1756"]
[BlackElo "1929"]
[PlyCount "60"]
[EventDate "2015.03.20"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "SUR"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. e3 c6 5. Nc3 d5 6. d4 exd4 7. exd4 Be7 8. cxd5 cxd5 9. Bb5+ Nc6 10. Qa4 Qd6 11. Bf4 Qe6+ 12. Nge2 Nf6 13. 0-0 0-0 14. Bg5 Qd6 15. Bf4 Qb4 16. Bxc6 bxc6 17. Qxc6 Bd7 18. Qa6 Qxb2 19. Qd3 Qb6 20. Rab1 Qc6 21. Rfc1 Be6 22. Ng3 Rfc8 23. Qd2 Qa6 24. Rb3 Rc4 25. Rcb1 Rac8 26. f3 Rxd4 27. Qe3 Rdc4 28. Qd3 Qc6 29. Bd2 Nd7 30. Rb7 Nc5 0-1

[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.03"]
[Round "3"]
[White "Chang, Pierre"]
[Black "Finegold, Spencer"]
[Result "0-1"]
[ECO "D85"]
[BlackElo "2037"]
[PlyCount "62"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bc4 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. e5 Qa5 12. Rc1 Rad8 13. h3 Nxe5 14. Bxf7+ Rxf7 15. hxg4 Nxf3+ 16. gxf3 cxd4 17. cxd4 Qxa2 18. Ra1 Qd5 19. Rxa7 Rxf3 20. Qb1 Rh3 21. f3 Rxf3 22. Rxf3 Qxf3 23. Qb3+ Kh8 24. Rxb7 Qxg4+ 25. Kh1 Qh3+ 26. Kg1 Rf8 27. Qd3 Qg3+ 28. Kh1 Qh3+ 29. Kg1 Qg3+ 30. Kh1 Qf3+ 31. Kg1 Qxb7 0-1

