[Event "AUS-ch U12"]
[Site "Mooroolbark"]
[Date "2011.01.22"]
[Round "8"]
[White "Loucas, Carl"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "514"]
[BlackElo "1367"]
[PlyCount "52"]
[EventDate "2011.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Rb8 11. 0-0-0 Na5 12. Rhe1 b5 13. a3 Nc4 14. Bxc4 bxc4 15. Qe2 Qb6 16. b4 cxb3 17. cxb3 Rfc8 18. Qc2 Qa5 19. a4 Rxc3 20. Qxc3 Qxc3+ 21. Nc2 Rxb3 22. Bd4 Bh6+ 23. Be3 Rb2 24. Rd2 Bxa4 25. Kd1 Bxc2+ 26. Rxc2 Qxc2# 0-1

[Event "AUS-ch U12"]
[Site "Mooroolbark"]
[Date "2011.01.21"]
[Round "6"]
[White "Dale, Finley"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "882"]
[BlackElo "1367"]
[PlyCount "77"]
[EventDate "2011.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. d4 d6 5. Nf3 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 Qd8 11. Qb3 Kh7 12. Rfd1 f5 13. Qc2 Re8 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. c5 Qf6 17. cxd6 Bxd6 18. Nb5 Re7 19. Nxd6 cxd6 20. Qd2 Rd7 21. Qd4 Qe5 22. Rac1 Qxd4 23. Rxd4 a5 24. Rcd1 Ra6 25. Rc1 Ra8 26. Bf1 Rd8 27. Rcd1 Be6 28. b3 d5 29. Bc4 a4 30. Bxd5 axb3 31. Bxe6 Rxd4 32. exd4 bxa2 33. Ra1 b5 34. Rxa2 Rb8 35. Rb2 Kg7 36. Kf1 Kf6 37. d5 Ke5 38. Ke2 g5 39. Kd3 1-0

[Event "AUS-ch U12"]
[Site "Mooroolbark"]
[Date "2011.01.20"]
[Round "4"]
[White "Derwent, Ethan"]
[Black "Willathgamuwa, Kevin"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1367"]
[BlackElo "1052"]
[PlyCount "80"]
[EventDate "2011.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Be2 Ne4 10. Ndxe4 dxe4 11. Bh4 e5 12. 0-0 exd4 13. Nxe4 dxe3 14. a3 Bd2 15. b4 Qc7 16. Nxd2 exd2 17. Qxd2 Ne5 18. Rfe1 Ng6 19. Bg3 Qd8 20. Qc3 Be6 21. Rad1 Qg5 22. Bf3 Rad8 23. a4 Nh4 24. Bxh4 Qxh4 25. g3 Qxc4 26. Qxc4 Bxc4 27. Re7 Rxd1+ 28. Bxd1 Rb8 29. a5 a6 30. Bf3 Be6 31. Rc7 Kf8 32. b5 axb5 33. a6 bxa6 34. Bxc6 Rc8 35. Rxc8+ Bxc8 36. Kf1 Ke7 37. Ke2 Kd6 38. Be4 a5 39. Kd3 f5 40. Bf3 Kc5 0-1

[Event "AUS-ch U12"]
[Site "Mooroolbark"]
[Date "2011.01.19"]
[Round "2"]
[White "Cannon, David"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1064"]
[BlackElo "1367"]
[PlyCount "57"]
[EventDate "2011.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Bd4 Bh6+ 16. Kb1 Bf5 17. Bc4 Bg7 18. Bxg7 Kxg7 19. Qd4+ e5 20. Qxe5+ f6 21. Qc3 Rfc8 22. Rd6 Qe7 23. Rd4 Rab8 24. Re1 Qc5 25. g4 Rb4 26. b3 Bd7 27. Rxd7+ Kh6 28. Qxf6 Qf2 29. g5+ 1-0

[Event "AUS-ch U12"]
[Site "Mooroolbark"]
[Date "2011.01.19"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Skinner, Isaac"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1367"]
[BlackElo "568"]
[PlyCount "51"]
[EventDate "2011.01.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bg5 Be7 6. Bxe7 Ngxe7 7. g3 Ng6 8. Bg2 Ngxe5 9. Nxe5 Nxe5 10. 0-0 Nxc4 11. Qa4+ Bd7 12. Qxc4 b5 13. Qxd4 Rb8 14. Qxg7 Rf8 15. Nc3 Bf5 16. Qe5+ Be6 17. Bc6+ Ke7 18. Ne4 f6 19. Qc5+ Kf7 20. Rad1 Qe7 21. Qxe7+ Kxe7 22. Nc5 Bxa2 23. Rd7+ Ke8 24. b3 Rb6 25. Rxc7+ Kd8 26. Ne6# 1-0

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.05"]
[Round "7"]
[White "Eustace, Sophie"]
[Black "Derwent, Ethan"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "1451"]
[BlackElo "1183"]
[PlyCount "100"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 0-0 8. Be2 Nc6 9. Qd2 Bd7 10. 0-0 a6 11. f3 Qc7 12. Nxc6 bxc6 13. Kh1 Nh5 14. Bf2 Be5 15. Kg1 h6 16. Rfd1 c5 17. Nd5 Qd8 18. c3 Bc6 19. f4 Bg7 20. Bxh5 gxh5 21. Bh4 Bxd5 22. Qxd5 Rb8 23. Rab1 Rb5 24. Qc4 Qc7 25. b3 Rfb8 26. a4 R5b6 27. Be1 a5 28. b4 axb4 29. cxb4 Qa7 30. a5 Rb5 31. Kh1 Qb7 32. Rbc1 cxb4 33. Rd5 b3 34. Rb1 b2 35. Bc3 Rxd5 36. exd5 Rc8 37. Rxb2 Rxc4 38. Rxb7 Rxc3 39. a6 Ra3 40. a7 Kh7 41. Rxe7 Kg6 42. Rd7 Kf5 43. Rxf7+ Kg6 44. Rd7 Bf6 45. Rxd6 Rxa7 46. g4 Ra1+ 47. Kg2 Ra2+ 48. Kf3 Ra3+ 49. Kg2 Ra2+ 50. Kf3 Ra3+ 1/2-1/2

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.04"]
[Round "6"]
[White "Derwent, Ethan"]
[Black "Adler, David"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1183"]
[BlackElo "1398"]
[PlyCount "127"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Bxf6 Nxf6 8. Nd2 Qc7 9. cxd5 exd5 10. Bd3 Bd6 11. Nf3 0-0 12. 0-0 Re8 13. Rc1 Ne4 14. Nxd5 Qd8 15. Nc3 Nxc3 16. bxc3 Bg4 17. h3 Bh5 18. c4 Re6 19. c5 Bc7 20. Rb1 b6 21. Rc1 b5 22. Be2 a5 23. a4 b4 24. Qb3 Rf6 25. Rfd1 Qd5 26. Qxd5 cxd5 27. g4 Bg6 28. Ne5 Bxe5 29. dxe5 Re6 30. f4 Be4 31. Bd3 Rc6 32. Bxe4 dxe4 33. Rd6 Rac8 34. Kf2 Kf8 35. Ke2 Rxc5 36. Rd8+ Rxd8 37. Rxc5 Rb8 38. Kd2 Rd8+ 39. Ke2 Rd3 40. Rxa5 Ra3 41. f5 b3 42. f6 gxf6 43. exf6 Ke8 44. Re5+ Kd8 45. Rxe4 Ra2+ 46. Kf3 Rh2 47. Kg3 b2 48. Rb4 Rc2 49. a5 Kc7 50. a6 Rc6 51. a7 Ra6 52. Rxb2 Rxa7 53. Rb5 Ra6 54. g5 Re6 55. Kf4 Re8 56. Re5 Rf8 57. Rd5 Kc6 58. e4 Rg8 59. h4 Rh8 60. Kf5 Rb8 61. Re5 Rf8 62. Re7 Kd6 63. e5+ Kc6 64. e6 1-0

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.04"]
[Round "5"]
[White "Derwent, Ethan"]
[Black "Beare, Nick"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1183"]
[BlackElo "1322"]
[PlyCount "87"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 0-0 7. cxd5 exd5 8. Bd3 Be6 9. 0-0 Qd7 10. a3 Bf5 11. Re1 Rfe8 12. Ne5 Nxe5 13. dxe5 Ng4 14. Bxe7 Rxe7 15. Bxf5 Qxf5 16. f3 Nxe5 17. Qxd5 c6 18. Qd2 Rd7 19. Qe2 Rad8 20. Rad1 Rxd1 21. Rxd1 Rxd1+ 22. Qxd1 Qd3 23. Qxd3 Nxd3 24. b4 c5 25. bxc5 Nxc5 26. Kf2 Kf8 27. e4 Ke8 28. Ke3 Kd7 29. Kd4 b6 30. Kd5 a6 31. a4 Ne6 32. g3 Nc7+ 33. Kd4 Kc6 34. f4 b5 35. f5 b4 36. Nd5 a5 37. Ne3 Na6 38. Nc4 Nc5 39. Nxa5+ Kb6 40. Nc4+ Kc6 41. Ne5+ Kb6 42. Nc4+ Kc6 43. Ne5+ Kb6 44. Nc4+ 1/2-1/2

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.03"]
[Round "4"]
[White "Chai, Hweimeen"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "1392"]
[BlackElo "1183"]
[PlyCount "63"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. Rb1 Nxd4 10. Bxd4 Be6 11. f4 Qc7 12. Bf3 Rfd8 13. a3 Rac8 14. Rc1 d5 15. e5 Ne4 16. Nxe4 dxe4 17. Bxe4 f6 18. exf6 Bxf6 19. c3 Bc4 20. Rf2 Be2 21. Rxe2 Bxd4+ 22. Kh1 e6 23. Qb3 Qd7 24. Rce1 Bf6 25. Bf3 Bh4 26. g3 Bf6 27. Rxe6 Kg7 28. Qd1 Qb5 29. Qe2 Qb3 30. h4 Bxc3 31. Re7+ Kh8 32. Rxb7 1-0

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.03"]
[Round "3"]
[White "Ngo, Michael"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1387"]
[BlackElo "1183"]
[PlyCount "72"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rb8 11. Nxc6 bxc6 12. Bxa7 Rb7 13. Be3 c5 14. Bh6 Qb6 15. b3 Rc8 16. Bxg7 Kxg7 17. g4 Qb4 18. Kb2 Qxc4 19. g5 Ne8 20. h4 Nc7 21. h5 Qe6 22. hxg6 fxg6 23. Qh2 Rh8 24. Qh6+ Kg8 25. f4 Qf7 26. Rdf1 Qg7 27. f5 Nb5 28. Qxg7+ Kxg7 29. Nd5 gxf5 30. Nxe7 fxe4 31. Re1 Be6 32. Nc6 Ra8 33. c4 Na3 34. Rxe4 Nxc4+ 35. Kc3 Bd5 36. Reh4 Bxh1 0-1

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.02"]
[Round "2"]
[White "Derwent, Ethan"]
[Black "Dalton, Joshua"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1183"]
[BlackElo "1482"]
[PlyCount "59"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Bxc4 Be7 10. 0-0 Bd7 11. Rc1 b5 12. Bd3 Rc8 13. a3 Qb6 14. Nce4 Nd5 15. Nb3 a5 16. Nbc5 f5 17. Nxd7 Kxd7 18. Nc5+ Bxc5 19. Rxc5 h5 20. Qc2 g5 21. Rc1 Ne7 22. d5 cxd5 23. Bxb5+ Kd6 24. b4 axb4 25. axb4 h4 26. Qc3 h3 27. e4 fxe4 28. Qg3+ e5 29. Qxg5 Qxb5 30. Rxb5 1-0

[Event "Doeberl Cup Minor 48th"]
[Site "Canberra"]
[Date "2010.04.02"]
[Round "1"]
[White "Kenmure, Jamie"]
[Black "Derwent, Ethan"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteElo "1438"]
[BlackElo "1183"]
[PlyCount "90"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. d4 Bg7 4. Nf3 0-0 5. 0-0 d6 6. c3 Nbd7 7. Nbd2 c6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Qc7 11. Ne4 Nxe4 12. Qxe4 Re8 13. Qh4 Nf8 14. Bh6 Be6 15. Bxg7 Kxg7 16. Ng5 h6 17. Nxe6+ Nxe6 18. Bh3 Rad8 19. Bxe6 Rxd1+ 20. Rxd1 Rxe6 21. Qd8 Re7 22. Qxc7 Rxc7 23. Rd2 Kf6 24. f3 Ke6 25. Kf2 Rd7 26. Rxd7 Kxd7 27. Ke3 Kd6 28. Kd3 b5 29. g4 f5 30. gxf5 gxf5 31. e4 f4 32. b4 Ke6 33. Ke2 Kf6 34. Kf2 Kg5 35. Kg2 Kh4 36. Kf2 Kg5 37. Kf1 h5 38. Ke2 Kf6 39. Kf1 Kg7 40. Kg2 Kg6 41. Kh3 Kg5 42. Kg2 Kg6 43. Kf2 Kf6 44. Ke2 Kg5 45. Kf1 Kg6 1/2-1/2

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.25"]
[Round "11"]
[White "Briant, Harrison"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "899"]
[BlackElo "1330"]
[PlyCount "61"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Bc4 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. Qe1 0-0 8. d3 Re8 9. Qh4 a6 10. a4 Rb8 11. f5 d5 12. f6 Nf5 13. exf5 Bxf6 14. Bg5 Bxg5 15. Nxg5 h5 16. fxg6 fxg6 17. g4 dxc4 18. gxh5 Qd4+ 19. Qxd4 cxd4 20. Nce4 cxd3 21. Nf6+ Kf8 22. Nxe8+ Kxe8 23. h6 Bd7 24. h7 Ke7 25. Rf7+ Kd6 26. Rg7 dxc2 27. Rg8 d3 28. Rxb8 d2 29. Ne4+ Kd5 30. Nxd2 Nxb8 31. h8Q 1-0

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.24"]
[Round "10"]
[White "Derwent, Ethan"]
[Black "Carter, Mason"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "1330"]
[BlackElo "1488"]
[PlyCount "62"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 Bxc3+ 6. bxc3 Nc6 7. Nf3 b6 8. 0-0 Bb7 9. e4 h6 10. Qe2 d6 11. Ba3 Re8 12. Rfe1 d5 13. Qc2 dxe4 14. Bxe4 Nxe4 15. Qxe4 Rb8 16. Qd3 Ba6 17. Bb4 e5 18. d5 Bb7 19. Rad1 Nxb4 20. cxb4 Qd6 21. a3 Rbd8 22. Nd2 Qd7 23. Qg3 Qa4 24. Ne4 Kf8 25. Qf3 Qd7 26. Ng3 b5 27. Qd3 bxc4 28. Qh7 f6 29. Nf5 Qf7 30. d6 Bc8 31. Nh4 Qg8 0-1

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.23"]
[Round "9"]
[White "Lim, Ethan"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "972"]
[BlackElo "1330"]
[PlyCount "100"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Be2 Nc6 6. d4 cxd4 7. cxd4 e6 8. Bf4 Nf6 9. Nc3 Qa5 10. 0-0 a6 11. Ne5 Bxe2 12. Nxc6 Qxc3 13. Qxe2 Qxc6 14. f3 Nd5 15. Bg3 Bd6 16. Rac1 Qd7 17. Bxd6 Qxd6 18. a3 0-0 19. Rcd1 Rac8 20. Qe4 Rc7 21. f4 Rfc8 22. h3 Rc2 23. f5 Rxb2 24. fxe6 Qxe6 25. Qf3 Rcc2 26. Rde1 Rxg2+ 27. Qxg2 Rxg2+ 28. Kxg2 Ne3+ 29. Kf2 Nxf1 30. Rxe6 fxe6 31. Kxf1 Kf7 32. Kf2 e5 33. dxe5 Ke6 34. h4 Kxe5 35. Ke3 b5 36. h5 a5 37. Kd3 g6 38. hxg6 hxg6 39. Kc3 g5 40. Kb3 g4 41. a4 bxa4+ 42. Kxa4 g3 43. Kxa5 g2 44. Kb5 g1Q 45. Kc4 Qd4+ 46. Kb5 Qc3 47. Ka6 Qb4 48. Ka7 Kd6 49. Ka8 Kc7 50. Ka7 Qb7# 0-1

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.21"]
[Round "8"]
[White "Derwent, Ethan"]
[Black "Gray, Callum James"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1330"]
[BlackElo "1212"]
[PlyCount "78"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Ngxe5 6. Be2 Bc5 7. 0-0 d6 8. Nc3 0-0 9. b3 Be6 10. Bb2 Re8 11. Nd4 Qh4 12. Na4 Bb6 13. Nxb6 axb6 14. Bf3 Nxf3+ 15. Nxf3 Qh5 16. Nd4 Qxd1 17. Rfxd1 Bd7 18. Kf1 f6 19. Ke2 Kf7 20. h3 Re7 21. Bc3 Ne5 22. a4 Ree8 23. a5 Ra6 24. Ke1 Nc6 25. Nb5 Rc8 26. b4 bxa5 27. bxa5 Ne5 28. Na3 Be6 29. Bxe5 fxe5 30. Rab1 Rxa5 31. Rd3 Bf5 32. Rdb3 Rxa3 33. Rxa3 Bxb1 34. f3 Bf5 35. e4 Be6 36. Rc3 Ra8 37. c5 Ra6 38. cxd6 Rxd6 39. Rxc7+ Rd7 0-1

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.20"]
[Round "7"]
[White "Pan, Andrew"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1672"]
[BlackElo "1330"]
[PlyCount "77"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. Qd2 Kh7 10. g4 Nb6 11. f3 Ng8 12. h4 f5 13. h5 g5 14. exf5 Nd7 15. Nh3 Bf6 16. Nf2 Ne7 17. Nfe4 Rg8 18. Kf2 Rg7 19. Rhd1 a5 20. b3 a4 21. Nxa4 b6 22. Nac3 Nc5 23. b4 Nd7 24. Kg2 Rg8 25. a4 Rg7 26. Nb5 Rg8 27. Bd3 Rg7 28. Nec3 Rg8 29. Be4 Rg7 30. Ne2 Rg8 31. Nc1 Rg7 32. Nb3 Rg8 33. a5 Ra6 34. Nc3 Rg7 35. Qd3 Rg8 36. axb6 Nxb6 37. c5 Nd7 38. Rxa6 Bxa6 39. Qxa6 1-0

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.19"]
[Round "6"]
[White "Kethro, Michael"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "A68"]
[WhiteElo "1127"]
[BlackElo "1330"]
[PlyCount "66"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. 0-0 Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Nc4 Nb6 14. Nxb6 Qxb6 15. Re1 Nd7 16. Qf2 a6 17. Qc2 Qc7 18. a4 Rab8 19. a5 b5 20. axb6 Qxb6 21. Qa4 Bd4+ 22. Kh1 Qc7 23. Be3 Bxe3 24. Rxe3 Rxb2 25. Qxa6 Reb8 26. Ree1 c4 27. h3 Qc5 28. Na4 Qf2 29. Nxb2 Rxb2 30. Qc8+ Kg7 31. Rg1 Nc5 32. Qg4 Nxe4 33. Ra7 Qxa7 0-1

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.18"]
[Round "5"]
[White "Derwent, Ethan"]
[Black "Walker, Joshua"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "1330"]
[BlackElo "953"]
[PlyCount "113"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d6 6. Nf3 Bxc3+ 7. bxc3 Nc6 8. 0-0 0-0 9. Rb1 b6 10. h3 Re8 11. Qc2 Na5 12. Rd1 Qe7 13. d5 e5 14. e4 Ba6 15. Nd2 Nh5 16. g3 Qf6 17. Nf1 Bxc4 18. Bxc4 Nxc4 19. Qe2 Nxg3 20. Nxg3 Na5 21. Kh2 g6 22. Rg1 Kh8 23. Be3 Rg8 24. Qg4 Qe7 25. Rbe1 Nc4 26. f4 Rab8 27. fxe5 Nxe5 28. Qe2 Qf6 29. Ref1 Qe7 30. Qd2 Nc4 31. Qc1 Nxe3 32. Qxe3 Rbf8 33. Qh6 Qe5 34. Rf4 Qxc3 35. Nf5 Qe5 36. Kh1 Rg7 37. Nxg7 Qxg7 38. Rxg6 Qxh6 39. Rxh6 Kg7 40. Rxd6 b5 41. Rg4+ Kh8 42. Rc6 c4 43. e5 Re8 44. Re4 Kg7 45. d6 c3 46. Rxc3 b4 47. Rc7 b3 48. axb3 a5 49. d7 Rd8 50. Rd4 a4 51. bxa4 f5 52. Rc8 Rxc8 53. dxc8Q Kg6 54. Qg8+ Kh5 55. Rd6 h6 56. Kg2 f4 57. Qg4# 1-0

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.16"]
[Round "3"]
[White "Derwent, Ethan"]
[Black "Cannon, David"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1330"]
[BlackElo "571"]
[PlyCount "56"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nh3 c6 6. Nf4 Bd6 7. 0-0 0-0 8. Re1 Kh8 9. Qb3 Rg8 10. Nh3 Nbd7 11. Ng5 Qe8 12. Qe3 Ne4 13. Bxe4 fxe4 14. f3 h6 15. Nh3 Nf6 16. Nc3 exf3 17. exf3 g5 18. cxd5 exd5 19. Qf2 Qd7 20. g4 Nxg4 21. fxg4 Qxg4+ 22. Kh1 Rf8 23. Re8 Rxe8 24. Qf6+ Kg8 25. Qg6+ Kf8 26. Qf6+ Kg8 27. Qg6+ Kf8 28. Qf6+ Kg8 1/2-1/2

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.16"]
[Round "4"]
[White "Ruan, Max"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B76"]
[BlackElo "1330"]
[PlyCount "32"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Bh6 Bxd4 12. Nxd5 Qxd5 13. c3 Qxa2 14. cxd4 Bf5 15. Bd3 Nxd4 16. Bxf5 Rac8+ 0-1

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.15"]
[Round "2"]
[White "Nicholls, Stuart"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1042"]
[BlackElo "1330"]
[PlyCount "87"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. d4 Bg7 5. Ne2 0-0 6. 0-0 e5 7. Nbc3 Nc6 8. d5 Ne7 9. Nb1 Nd7 10. c4 f5 11. Nbc3 Nf6 12. b4 fxe4 13. Nxe4 Bf5 14. Ng5 h6 15. Ne6 Bxe6 16. dxe6 e4 17. Rb1 Nc6 18. Nf4 Ne5 19. Nd5 Nxd5 20. cxd5 Nf3+ 21. Bxf3 exf3 22. Re1 Qe8 23. Rb3 Qa4 24. e7 Rfe8 25. Qxf3 Qxa2 26. Ra3 Qc4 27. Bd2 c6 28. Rc1 Qd4 29. Bc3 Qb6 30. Bxg7 Kxg7 31. Qc3+ Kh7 32. Qf6 Rg8 33. Qf7+ Kh8 34. Re1 Rae8 35. Rae3 Qxb4 36. Qf6+ Kh7 37. Qf7+ Kh8 38. Re6 a5 39. R1e4 Qb1+ 40. Kg2 cxd5 41. Rh4 h5 42. Rxh5+ gxh5 43. Rh6+ Qh7 44. Rxh7# 1-0

[Event "AUS-ch U12 op"]
[Site "Sandy Bay"]
[Date "2010.01.14"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Brown, Oscar"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1330"]
[PlyCount "89"]
[EventDate "2010.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3 8. Rb3 Qa5 9. e3 Bxc3 10. Bxc3 Qxa2 11. Bd3 Qa4 12. h3 Na5 13. Rb4 Qc6 14. Qd2 b6 15. 0-0 Bb7 16. e6 Qxe6 17. Bxg7 Bxf3 18. gxf3 Qxh3 19. Bxh8 Qxf3 20. Bb5 c6 21. Rf4 Qh3 22. Re4+ Kd8 23. Qd6 Qh5 24. Qf8+ Kc7 25. Be5+ Kb7 26. Qd6 Qg6+ 27. Qxg6 fxg6 28. Be2 Re8 29. f3 d5 30. Rh4 Rxe5 31. Rxh7+ Re7 32. Rxe7+ Nxe7 33. f4 Nc4 34. Bxc4 dxc4 35. e4 a5 36. f5 gxf5 37. exf5 Nxf5 38. Rxf5 a4 39. Kf2 a3 40. Ke3 Ka6 41. Kd4 b5 42. Kc5 Ka5 43. Rf8 Ka6 44. Kxc6 Ka7 45. Kxb5 1-0

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.19"]
[Round "9"]
[White "Derwent, Ethan"]
[Black "Bleicher, Horst"]
[Result "0-1"]
[ECO "E50"]
[BlackElo "1822"]
[PlyCount "78"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 Ne4 6. Qc2 f5 7. Bd3 d5 8. 0-0 Be7 9. Ne1 c5 10. f3 Nf6 11. Ne2 Nc6 12. dxc5 Nb4 13. Qc3 Nxd3 14. Nxd3 Nd7 15. cxd5 exd5 16. Nef4 Nf6 17. Rd1 g5 18. Ne2 Be6 19. Nd4 Bd7 20. b4 Rc8 21. Ba3 Qe8 22. Re1 Qh5 23. Bb2 b6 24. c6 Bd6 25. f4 Ne4 26. Qb3 Be8 27. Ne6 Bxc6 28. Nxf8 Rxf8 29. Rac1 Bb7 30. Ne5 Qh6 31. Nc6 gxf4 32. exf4 Qxf4 33. Qxd5+ Rf7 34. Be5 Bxe5 35. Qxe5 Qf2+ 36. Kh1 Bxc6 37. Rf1 Qe2 38. Qd4 Ng3+ 39. hxg3 Qxg2# 0-1

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.18"]
[Round "8"]
[White "Derwent, Ethan"]
[Black "Ren, Jonathan"]
[Result "1/2-1/2"]
[ECO "A40"]
[PlyCount "109"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nc6 2. d5 Ne5 3. e4 e6 4. c4 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 Ne7 7. Ngf3 N7g6 8. Be2 0-0 9. 0-0 d6 10. Nxe5 dxe5 11. a4 f5 12. Bf3 f4 13. b4 Bd7 14. c5 Re8 15. Re1 exd5 16. exd5 Bf5 17. b5 Rb8 18. Rc1 Rc8 19. Rc4 Nh4 20. Ne4 Nxf3+ 21. gxf3 Bxe4 22. Rcxe4 Qf6 23. d6 cxd6 24. cxd6 Rcd8 25. Qd5+ Qf7 26. Qc5 Qg6+ 27. Kh1 Qxd6 28. Qxa7 Re7 29. a5 Kf7 30. b6 Kf8 31. a6 bxa6 32. Qxa6 Rb8 33. Qa1 Rxb6 34. Rxe5 Rxe5 35. Qxe5 Qxe5 36. Rxe5 Kf7 37. Rf5+ Rf6 38. Rxf6+ Kxf6 39. Kg2 Kg5 40. Kh3 h6 41. Kg2 Kh4 42. h3 g6 43. Kh2 g5 44. Kg2 Kh5 45. Kf1 Kg6 46. Ke2 Kf5 47. Kd3 Ke5 48. Kc3 Kd5 49. Kd3 h5 50. Kc3 Ke5 51. Kd3 Kd5 52. Kc3 Kc5 53. Kd3 Kd5 54. Kc3 Kc5 55. Kd3 1/2-1/2

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.18"]
[Round "7"]
[White "Krishnan, S Ram"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2080"]
[PlyCount "54"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. h3 Nc6 4. Bb5 Nf6 5. Nc3 g6 6. d4 cxd4 7. Nxd4 Bd7 8. Nxc6 bxc6 9. Ba4 Bg7 10. Qf3 0-0 11. e5 Nd5 12. Nxd5 cxd5 13. Bxd7 Qxd7 14. exd6 Qxd6 15. 0-0 e5 16. a4 Rab8 17. b3 e4 18. Qe3 Bxa1 19. c3 Rxb3 20. Bd2 d4 21. Qe2 dxc3 22. Bh6 Qd3 23. Qxd3 exd3 24. Rxa1 c2 25. Bxf8 Rb1+ 26. Rxb1 cxb1Q+ 27. Kh2 Kxf8 0-1

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.17"]
[Round "5"]
[White "Christian, Kashish"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "122"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 Nf6 4. d3 Nc6 5. Bb2 g6 6. Be2 Bg7 7. 0-0 0-0 8. Nbd2 e5 9. h3 Nh5 10. Nc4 b5 11. Ne3 Nf4 12. Nd5 Nxd5 13. exd5 Ne7 14. c4 b4 15. a4 a5 16. Rb1 f5 17. Re1 f4 18. Ng5 Nf5 19. Ne4 g5 20. Bg4 Ra7 21. Qd2 Bh8 22. g3 h6 23. Bxf5 Bxf5 24. g4 Bxe4 25. dxe4 Rh7 26. f3 Qe8 27. Re2 h5 28. gxh5 Qxh5 29. Rh2 Qxf3 30. Qc2 Rxh3 31. Rxh3 Qxh3 32. Rf1 Qg3+ 33. Kh1 Rf7 34. Rf2 Rh7+ 35. Rh2 Rxh2+ 36. Qxh2 Qxh2+ 37. Kxh2 Kg7 38. Kh3 f3 39. Kg3 g4 40. Bc1 Kg6 41. Be3 Kh5 42. Kh2 Bf6 43. Bf2 Bh4 44. Bxh4 Kxh4 45. Kg1 g3 46. Kh1 Kh3 47. Kg1 f2+ 48. Kf1 g2+ 49. Kxf2 Kh2 50. Kf3 g1Q 51. Ke2 Qg3 52. Kd2 Qf3 53. Kc2 Qe3 54. Kb2 Qc3+ 55. Kb1 Qd2 56. Ka1 Kg3 57. Kb1 Kf3 58. Ka1 Ke3 59. Kb1 Kd3 60. Ka1 Kc3 61. Kb1 Qb2# 0-1

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.17"]
[Round "6"]
[White "Derwent, Ethan"]
[Black "Barcelona, Eliel"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "102"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. Bg5 dxc4 6. e3 e6 7. Bxc4 b5 8. Bd3 Nbd7 9. e4 Bg6 10. e5 h6 11. Bxg6 hxg5 12. exf6 fxg6 13. f7+ Kxf7 14. 0-0 Bd6 15. Ne4 Be7 16. Qb3 g4 17. Nfd2 Qc7 18. Qg3 Qxg3 19. fxg3+ Ke8 20. Rae1 Rf8 21. Rxf8+ Kxf8 22. Nb3 a5 23. Nf2 a4 24. Nd2 Bb4 25. Re2 Bxd2 26. Rxd2 Nf6 27. Rc2 Rc8 28. Kf1 Ke7 29. Ke2 Kd6 30. Kd3 Rh8 31. h3 gxh3 32. gxh3 Rf8 33. Re2 Nd5 34. Ne4+ Ke7 35. Ng5 Rf6 36. a3 Nb6 37. Kc3 Nd5+ 38. Kd3 Kd7 39. h4 Ne7 40. g4 Nd5 41. Re5 Rf2 42. Nxe6 Rxb2 43. Nxg7 Rb3+ 44. Kc2 Rxa3 45. h5 Rc3+ 46. Kb1 Rb3+ 47. Ka1 Nc3 48. Re1 a3 49. h6 a2 50. h7 Rb1+ 51. Rxb1 axb1Q# 0-1

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.16"]
[Round "4"]
[White "Derwent, Ethan"]
[Black "Mithran, Mishael"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "117"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb4 5. Qa4+ N4c6 6. d5 Bg4 7. f3 Bd7 8. dxc6 Bxc6 9. Qd1 Qxd1+ 10. Kxd1 Na6 11. Bxa6 bxa6 12. Ne2 Rd8+ 13. Ke1 e6 14. Nbc3 Bb4 15. Bd2 0-0 16. a3 Bxc3 17. Bxc3 Rd3 18. Rc1 Rfd8 19. Bxg7 Kxg7 20. Kf2 Bb5 21. Kg3 Rd2 22. Nf4 Rg8 23. Rxc7 Kf6+ 24. Kh4 Be8 25. Rg1 e5 26. Nd5+ Ke6 27. Rxa7 Rgxg2 28. Rxa6+ Kd7 29. Nf6+ Kc7 30. Nxe8+ Kb7 31. Rxg2 Rxg2 32. Rf6 Ka7 33. Rxf7+ Kb6 34. Kh3 Rxb2 35. Rxh7 Rb3 36. Rh6+ Ka7 37. Rf6 Rxa3 38. Kg4 Rb3 39. h4 Rb8 40. Rf8 Kb6 41. h5 Rb7 42. Rf6+ Kc5 43. h6 Ra7 44. Ng7 Ra8 45. h7 Kd4 46. Rf8 Rxf8 47. Ne6+ Kc4 48. Nxf8 Kd3 49. h8Q Kd4 50. Ne6+ Kc4 51. Qxe5 Kd3 52. Qd4+ Kc2 53. Qe3 Kd1 54. Qf2 Kc1 55. Kf4 Kb1 56. Ke3 Kc1 57. Kd3 Kb1 58. Kc3 Ka1 59. Qb2# 1-0

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.16"]
[Round "3"]
[White "Hvistendahl, Robert"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1888"]
[PlyCount "61"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rb8 11. h4 b5 12. Bb3 Na5 13. Bh6 Nc4 14. Bxc4 bxc4 15. Bxg7 Kxg7 16. h5 Qb6 17. b3 Rfc8 18. hxg6 fxg6 19. Nd5 Qc5 20. Qh6+ Kf7 21. Nxf6 c3 22. Rd3 Qa3+ 23. Kd1 Qxa2 24. Nxd7 Rxb3 25. Nxb3 Qb1+ 26. Nc1 Rc7 27. Qxh7+ Ke6 28. Nf8+ Ke5 29. Rd5+ Kf4 30. Qh6+ Kg3 31. Qh4+ 1-0

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.15"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Griffin, Hamish"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "68"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. Bg5 b4 7. Na4 Nxe4 8. Bxc4 Qa5 9. Bd2 e6 10. Qb3 Be7 11. 0-0 Nxd2 12. Nxd2 0-0 13. Rfe1 Bd7 14. Re5 Qc7 15. Ne4 Bc8 16. Nac5 Bd6 17. Nxd6 Qxd6 18. Qxb4 Nd7 19. Rh5 Rb8 20. Qc3 Rd8 21. Rc1 Nf6 22. Ne4 Qxd4 23. Nxf6+ Qxf6 24. Qg3 Rxb2 25. Rg5 Rdd2 26. Rf1 Rb4 27. Bb3 Ba6 28. Ra5 Bxf1 29. Rxa7 Rd8 30. Kxf1 Qa1+ 31. Ke2 Qb2+ 32. Ke1 Qc1+ 33. Ke2 Qd2+ 34. Kf3 Rd3# 0-1

[Event "Sydney op-B"]
[Site "Parramatta"]
[Date "2009.04.15"]
[Round "2"]
[White "Leong, Edward"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "71"]
[EventDate "2009.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Bd4 Bf5 16. c3 Rfc8 17. Qb5 Bh6+ 18. Rd2 Bxd2+ 19. Kxd2 Qxb5 20. Bxb5 Rd8 21. Kc1 a6 22. Ba4 Rac8 23. Rd1 f6 24. Bb3+ Kg7 25. f4 Bg4 26. Rd2 h6 27. h3 Bf5 28. g4 Bd7 29. Bb6 e5 30. Bxd8 Rxd8 31. fxe5 fxe5 32. Ba4 Bxa4 33. Rxd8 e4 34. b3 Bb5 35. c4 Bc6 36. Rc8 1-0

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.12"]
[Round "6"]
[White "Colliver, Scott"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1341"]
[BlackElo "1123"]
[PlyCount "51"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Na3 a6 6. Nf3 Bg4 7. Be2 e6 8. 0-0 b5 9. Nc2 Bh5 10. Be3 Nbd7 11. a4 Rb8 12. axb5 axb5 13. dxc5 Bxc5 14. Bxc5 Nxc5 15. Nb4 Qf5 16. Nc6 Rc8 17. Bxb5 Ncd7 18. Ncd4 Qg6 19. Ra7 Rd8 20. Qa4 Qe4 21. Re1 Qg6 22. Ne5 Qg5 23. Nxd7 Qd2 24. Nxf6+ Kf8 25. Rf1 Qxb2 26. Nxh5 1-0

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.12"]
[Round "5"]
[White "Derwent, Ethan"]
[Black "Bortsova, Natasha"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1123"]
[BlackElo "1226"]
[PlyCount "52"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 d6 7. 0-0 0-0 8. a3 Bxc3 9. bxc3 c5 10. Qe2 d5 11. Ne5 Nbd7 12. f4 Ne4 13. Qc2 Rc8 14. cxd5 exd5 15. c4 cxd4 16. exd4 Ndf6 17. Re1 dxc4 18. Bxe4 Qxd4+ 19. Kh1 Bxe4 20. Qa2 Nd5 21. Bb2 c3 22. Rad1 Qa4 23. Bc1 Nf6 24. Qf2 Rfd8 25. Qa2 Rxd1 26. Qxf7+ Kh8 0-1

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.11"]
[Round "4"]
[White "Derwent, Ethan"]
[Black "McPherson, E."]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "1123"]
[BlackElo "1211"]
[PlyCount "71"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. e4 d6 8. a4 Bg7 9. a5 Qd8 10. Nf3 Nbd7 11. Nd2 0-0 12. Nc4 Ne8 13. Na4 f5 14. f3 fxe4 15. fxe4 Ne5 16. Nab6 Rb8 17. Be2 Nc7 18. Bg5 Nb5 19. Nxc8 Rxc8 20. Nb6 Rc7 21. Ra4 Nd4 22. Rf1 Rxf1+ 23. Bxf1 Qf8 24. Ra3 c4 25. Rc3 Nb5 26. Rc2 Nd4 27. Rf2 Qe8 28. Be3 Nb3 29. Rc2 Nxa5 30. b4 Nb3 31. Nxc4 Nxc4 32. Bxc4 Qb8 33. Bxb3 Qxb4+ 34. Ke2 Rb7 35. Qf1 Qxb3 36. Rc8+ 1-0

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.11"]
[Round "3"]
[White "Setiabudi, Megan"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1382"]
[BlackElo "1123"]
[PlyCount "115"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 0-0 6. h3 c6 7. Be3 Nbd7 8. Qd2 Qc7 9. g4 b5 10. Bd3 a5 11. f5 Rd8 12. Ne2 Ba6 13. g5 Ne8 14. h4 c5 15. c3 Nb6 16. h5 b4 17. Nf4 gxf5 18. exf5 Bb7 19. Qf2 bxc3 20. bxc3 cxd4 21. cxd4 Qc3+ 22. Ke2 Qb2+ 23. Bd2 Ba6 24. Rhb1 Qa3 25. Rxb6 Bxd3+ 26. Nxd3 Nc7 27. g6 fxg6 28. fxg6 e5 29. dxe5 dxe5 30. Nfxe5 Rf8 31. Qd4 Rae8 32. Rf1 Ne6 33. Rxf8+ Qxf8 34. Qd5 Qf5 35. Nf4 Bxe5 36. Nxe6 Qxh5+ 37. Qf3 Qxg6 38. Qd5 Qh5+ 39. Kd3 Qf5+ 40. Kc4 Rc8+ 41. Nc5+ Kh8 42. Kb5 Qh5 43. Qc4 Qe8+ 44. Kxa5 Qe7 45. Kb4 h5 46. a4 h4 47. Rh6+ Kg7 48. Qg4+ Kf8 49. Qxc8+ Kg7 50. Qd7 Bc3+ 51. Bxc3+ Kf8 52. Qxe7+ Kxe7 53. Rxh4 Kd6 54. Kc4 Kc6 55. Rh6+ Kc7 56. Ba5+ Kb8 57. Bb6 Kc8 58. Rh8# 1-0

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.10"]
[Round "2"]
[White "Booth, William"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "E83"]
[WhiteElo "1366"]
[BlackElo "1123"]
[PlyCount "60"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 Bd7 8. Qd2 Re8 9. Bh6 Bh8 10. Bg5 a6 11. g4 Rb8 12. h4 b5 13. Nc1 e5 14. Nb3 exd4 15. Nxd4 Ne5 16. Qf4 c5 17. Nc2 b4 18. Nd5 Nxd5 19. cxd5 Qa5 20. b3 Nxf3+ 21. Qxf3 Bc3+ 22. Bd2 Bxa1 23. Nxa1 Qxa2 24. Qd1 Rxe4+ 25. Kf2 Rf4+ 26. Ke3 Rxg4 27. h5 Re8+ 28. Kf3 Rd4 29. hxg6 Bg4+ 30. Kg3 Bxd1 0-1

[Event "Doeberl Cup Minor 47th"]
[Site "Canberra"]
[Date "2009.04.10"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Bourke, Phil"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1123"]
[BlackElo "1459"]
[PlyCount "47"]
[EventDate "2009.04.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "AUS"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bh4 dxc4 7. e4 g5 8. Bg3 b5 9. Ne5 Bb7 10. Be2 a6 11. 0-0 Nbd7 12. f4 c5 13. Bh5 Nxe5 14. fxe5 Nxh5 15. Qxh5 Qc7 16. d5 exd5 17. e6 Qe7 18. Rxf7 Qxe6 19. Rf6+ Ke7 20. Rxe6+ Kxe6 21. Qg6+ Kd7 22. Qf7+ Be7 23. Nxd5 Rae8 24. Nb6+ 1-0

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.13"]
[Round "11"]
[White "Mason, Stuart"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1068"]
[BlackElo "943"]
[PlyCount "114"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 0-0 6. Nge2 Nbd7 7. 0-0 c6 8. d3 Qc7 9. h3 b6 10. Be3 Bb7 11. f4 a6 12. Qd2 b5 13. g4 Rfd8 14. Rac1 bxc4 15. dxc4 Nb6 16. b3 Rd7 17. Rfd1 Rad8 18. Qe1 Nc8 19. Qf2 Qb8 20. Na4 Ne8 21. Nec3 Nc7 22. Nb6 Nxb6 23. Bxb6 c5 24. Nd5 Bxd5 25. Bxc7 Qxc7 26. cxd5 Qa5 27. Qd2 Qxd2 28. Rxd2 e5 29. Rf2 exf4 30. Rxf4 Bh6 31. Rff1 Bxc1 32. Rxc1 Kg7 33. Rf1 Rb8 34. h4 Rb5 35. Rf2 Rb4 36. Rc2 a5 37. Rc3 a4 38. Kf2 axb3 39. axb3 Rdb7 40. Rc2 Rxb3 41. Kg1 Kf6 42. Re2 Ke5 43. Rd2 c4 44. g5 c3 45. Rc2 Rc7 46. Kf1 Rb2 47. Rc1 Kd4 48. Bf3 c2 49. Kf2 Rb1 50. Rxc2 Rxc2+ 51. Kg3 Rc3 52. Kf2 Rb2+ 53. Kg3 Rbb3 54. e5 Rxf3+ 55. Kg2 Rfc3 56. exd6 Rc2+ 57. Kf1 Rb1# 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.12"]
[Round "10"]
[White "Derwent, Ethan"]
[Black "Cameron, Lachlan"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "943"]
[BlackElo "759"]
[PlyCount "55"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3 8. Rb3 Qa5 9. e4 Bxc3 10. Bxc3 Qxa2 11. Qd5 Nge7 12. Qd2 Qa4 13. Bd3 Nd8 14. 0-0 Qc6 15. Nd4 Qg6 16. Re1 Ne6 17. Nf5 Ng5 18. Nxe7 Kxe7 19. Re3 Rg8 20. Rb4 a5 21. Ra4 b6 22. Rg3 h6 23. h4 b5 24. hxg5 bxa4 25. gxh6 Qh5 26. Be2 Qh4 27. Rg4 Qh5 28. Rxg7 1-0

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.11"]
[Round "9"]
[White "Hong, Jasper"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "538"]
[BlackElo "943"]
[PlyCount "96"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. Qxd5 Qc7 14. Qc5 Qb7 15. Qb5 Qxb5 16. Bxb5 Rb8 17. Bc4 Bxb2+ 18. Kd2 Rb4 19. Bb3 a5 20. Ke2 a4 21. a3 Bxa3 22. Bd5 Ba6+ 23. Kf2 Rb2 24. Rc1 Rc8 25. Be4 e6 26. Rhd1 f5 27. Bd3 Bxd3 28. Rxd3 Rbxc2+ 29. Rxc2 Rxc2+ 30. Rd2 Rxd2+ 31. Bxd2 Bb2 32. Ke1 a3 33. Kd1 a2 34. Kc2 a1Q 35. Kd3 Qf1+ 36. Kc2 Qxg2 37. Kxb2 Qxd2+ 38. Kb3 Qxh2 39. Kc3 Qf2 40. Kd3 Qxf3+ 41. Kd4 h5 42. Kc4 h4 43. Kd4 h3 44. Kc4 h2 45. Kd4 h1Q 46. Kc4 Qd5+ 47. Kb4 Qb1+ 48. Ka4 Qa8# 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.09"]
[Round "8"]
[White "Derwent, Ethan"]
[Black "Loh, Zachary"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "943"]
[BlackElo "1202"]
[PlyCount "74"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 0-0 7. 0-0 c5 8. a3 cxd4 9. exd4 Bxc3 10. bxc3 Qc7 11. Qc2 Bxf3 12. gxf3 h6 13. Kh1 Qc6 14. Be4 Nxe4 15. fxe4 Qxc4 16. Rg1 Kh8 17. f3 Nc6 18. Qg2 Rg8 19. Qh3 Kh7 20. f4 Ne7 21. Ra2 Qxa2 22. f5 exf5 23. exf5 Qd5+ 24. Rg2 Qxf5 25. Qg3 Ng6 26. Rf2 Qe4+ 27. Kg1 Qe1+ 28. Rf1 Qxg3+ 29. hxg3 Rgf8 30. a4 Rac8 31. Rf3 Rc4 32. Ba3 Rfc8 33. Bb4 a5 34. Bd6 Rxc3 35. Rxf7 Rc1+ 36. Kg2 R8c2+ 37. Kf3 Rf1+ 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.08"]
[Round "7"]
[White "Derwent, Ethan"]
[Black "Sam, Ryan"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "943"]
[BlackElo "1600"]
[PlyCount "138"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 0-0 6. e3 Ne4 7. Bxe7 Qxe7 8. cxd5 Nxc3 9. bxc3 exd5 10. Bd3 Bg4 11. 0-0 Nd7 12. Rb1 Nb6 13. Re1 f5 14. Qc2 Bxf3 15. gxf3 Qg5+ 16. Kh1 Qh5 17. f4 Qf3+ 18. Kg1 Qh3 19. Kh1 Rf6 20. Rg1 Raf8 21. Rg3 Qh5 22. Rbg1 Rg6 23. Rxg6 hxg6 24. Rg3 Kf7 25. Bf1 Qh4 26. c4 Qd8 27. cxd5 Nxd5 28. Qb3 b6 29. Bc4 c6 30. Rg5 b5 31. Bxd5+ Qxd5+ 32. Qxd5+ cxd5 33. Rg1 Rc8 34. Rb1 a6 35. Rb2 Rc6 36. Kg2 Ke7 37. Kg3 Kd7 38. Kf3 Kc7 39. Ke2 Kb6 40. Kd3 Ka5 41. f3 b4 42. e4 dxe4+ 43. fxe4 Rc3+ 44. Kd2 fxe4 45. d5 Rd3+ 46. Ke2 Rxd5 47. Ke3 Rf5 48. Kxe4 Ka4 49. Rb3 a5 50. Rg3 Rf6 51. Rg5 Rc6 52. h4 Rd6 53. h5 gxh5 54. Rxg7 Rh6 55. f5 h4 56. Ke5 h3 57. Rg1 h2 58. Rh1 Ka3 59. f6 Rxf6 60. Kxf6 Kxa2 61. Rxh2+ Ka3 62. Rh5 a4 63. Ke5 b3 64. Rh3 Ka2 65. Kd4 b2 66. Rh2 Ka1 67. Rh3 b1Q 68. Ra3+ Kb2 69. Rxa4 Qd1+ 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.07"]
[Round "6"]
[White "Nakauchi, Kenji"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "815"]
[BlackElo "943"]
[PlyCount "66"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d4 cxd4 6. Qxd4 Ngf6 7. Nc3 g6 8. g4 Bg7 9. g5 Nh5 10. Qd5 Qc7 11. Nd4 e6 12. Ncb5 Qa5+ 13. Bd2 Qxd2+ 14. Kxd2 exd5 15. Nc7+ Kd8 16. Ndb5 a6 17. Nxa8 axb5 18. a4 b4 19. a5 Kc8 20. Nb6+ Nxb6 21. axb6 dxe4 22. c3 bxc3+ 23. bxc3 d5 24. Rhc1 Nf4 25. Ra5 Rd8 26. Rc5+ Kb8 27. Ra1 d4 28. Rca5 dxc3+ 29. Ke3 Nd5+ 30. Kxe4 Nxb6 31. Rb5 Nc4 32. Rb4 Rd4+ 33. Kf3 Nd2+ 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.06"]
[Round "5"]
[White "Derwent, Ethan"]
[Black "Kiripitige, Punala"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "943"]
[BlackElo "1151"]
[PlyCount "120"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 0-0 7. 0-0 c5 8. a3 cxd4 9. exd4 Bxc3 10. bxc3 d5 11. Bg5 h6 12. Bh4 dxc4 13. Bxc4 Qc7 14. Ne5 Nbd7 15. Nxd7 Nxd7 16. Qd3 Rfc8 17. Bb5 a6 18. Bxd7 Qxd7 19. Rab1 b5 20. Rfc1 Rc5 21. Rb4 Rac8 22. Qe3 Qc6 23. f3 Rxc3 24. Rxc3 Qxc3 25. Qxc3 Rxc3 26. a4 Rc4 27. Rxc4 bxc4 28. Be1 Bc6 29. a5 Bb5 30. Bb4 f5 31. Kf2 Kf7 32. Ke3 Kf6 33. g3 h5 34. h3 g5 35. Bc3 Ke7 36. h4 gxh4 37. gxh4 Bc6 38. Bb4+ Kd7 39. Kf4 Bd5 40. Ke3 Kc6 41. f4 Kb5 42. Be1 Ka4 43. Kd2 Kxa5 44. Kc2+ Kb5 45. Kc3 Be4 46. Bd2 Bd3 47. Bc1 Kc6 48. Kb4 Kd5 49. Kc3 Ke4 50. Bd2 Kf3 51. Kb4 Kg4 52. Kc5 Kxh4 53. Kd6 Kg4 54. Kxe6 h4 55. d5 Be4 56. Be3 h3 57. Bg1 c3 58. d6 Bc6 59. d7 Bxd7+ 60. Kxd7 c2 0-1

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.04"]
[Round "4"]
[White "Gibson, Kyle"]
[Black "Derwent, Ethan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1207"]
[BlackElo "943"]
[PlyCount "120"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. d4 Bg4 6. Be2 e6 7. Be3 cxd4 8. Qxd4 Qxd4 9. Bxd4 Be7 10. Nbd2 Nc6 11. Bb5 0-0 12. Bxc6 bxc6 13. 0-0 c5 14. Bxf6 Bxf6 15. Ne4 Bxf3 16. Nxf6+ gxf6 17. gxf3 Rfd8 18. Rad1 Rab8 19. Rxd8+ Rxd8 20. Rb1 Rd3 21. Kg2 Kg7 22. Rc1 Rd2 23. Rb1 Kg6 24. a3 Rd3 25. Rc1 c4 26. Rc2 Kf5 27. Re2 Kg5 28. h4+ Kh5 29. Re4 a5 30. Rxc4 f5 31. Ra4 Rd5 32. b4 axb4 33. Rxb4 e5 34. Rb7 Kg6 35. Rb6+ f6 36. h5+ Kg5 37. Re6 Rd3 38. Rc6 e4 39. fxe4 fxe4 40. Rc5+ f5 41. a4 Rd2 42. Re5 Rc2 43. a5 Rxc3 44. Re7 h6 45. a6 Ra3 46. a7 Kxh5 47. Rf7 Kg4 48. Rg7+ Kh5 49. Rf7 Kg6 50. Re7 h5 51. Rb7 h4 52. Rb6+ Kg5 53. Rb7 h3+ 54. Kh2 Kg6 55. Rb6+ Kg5 56. Rb7 Kg6 57. Rb6+ Kg5 58. Rb7 Kg6 59. Rb6+ Kg5 60. Rb7 Kg6 1/2-1/2

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.04"]
[Round "3"]
[White "Gray, Callum James"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1081"]
[BlackElo "943"]
[PlyCount "93"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8 15. g4 Rb8 16. b3 a5 17. a4 Nb4 18. h4 Qxd2+ 19. Rxd2 f5 20. Nd6 Red8 21. Bc4 Bxc4 22. Nxc4 fxg4 23. fxg4 Rxd2 24. Kxd2 Rd8+ 25. Kc1 e4 26. Bxb4 axb4 27. Rd1 Re8 28. Re1 Bd4 29. Nd6 Re6 30. Nxe4 Bf2 31. Re2 Bxh4 32. Kd2 h5 33. gxh5 gxh5 34. a5 Bd8 35. a6 Bb6 36. Kd3 h4 37. Rh2 Rh6 38. Kc4 h3 39. Ng5 Rh4+ 40. Kd3 Rh5 41. Nxh3 Ra5 42. Rg2+ Kf7 43. Kc4 c5 44. Nf4 Kf6 45. Nd5+ Ke5 46. Nxb6 Rxa6 47. Kxc5 1-0

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.03"]
[Round "2"]
[White "Derwent, Ethan"]
[Black "Gu, Sean"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "943"]
[BlackElo "1542"]
[PlyCount "121"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e5 3. d5 Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 Nce7 6. e4 d6 7. Ngf3 f5 8. Be2 Nf6 9. Qc2 0-0 10. 0-0 Bd7 11. c5 Rc8 12. Qb3 fxe4 13. Ng5 Kh8 14. Ndxe4 Nexd5 15. cxd6 h6 16. Nxf6 Qxf6 17. Qxd5 Qxg5 18. Qxb7 Rb8 19. Qd5 c6 20. Qd3 Rxb2 21. Rfb1 Rxb1+ 22. Rxb1 Bf5 23. Qf3 Qd8 24. Rc1 Qxd6 25. Rxc6 Qe7 26. Qc3 Qb7 27. h3 Be4 28. Rc7 Qb1+ 29. Bf1 Qxa2 30. Qxe5 Qxf2+ 31. Kh2 Qf4+ 32. Qxf4 Rxf4 33. Kg1 a5 34. Ra7 Rf5 35. Bc4 Rc5 36. Bf7 Rc1+ 37. Kf2 Rc2+ 38. Ke3 Bxg2 39. Bg6 Bxh3 40. Bxc2 g5 41. Rxa5 Kg7 42. Ra7+ Kf6 43. Ra6+ Kg7 44. Rg6+ Kf7 45. Rxh6 g4 46. Kf4 Kg7 47. Rb6 Kf7 48. Bf5 Bg2 49. Bxg4 Ke7 50. Ke5 Kf7 51. Ra6 Kg7 52. Kf5 Bd5 53. Kg5 Kf7 54. Ra7+ Ke8 55. Kf6 Kf8 56. Rd7 Bc6 57. Rd8+ Be8 58. Bh5 Kg8 59. Rxe8+ Kh7 60. Bg6+ Kh6 61. Rh8# 1-0

[Event "AUS-ch U12"]
[Site "Adelaide"]
[Date "2009.01.02"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Nicholls, Stuart"]
[Result "1-0"]
[ECO "E40"]
[WhiteElo "943"]
[PlyCount "83"]
[EventDate "2009.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 d5 6. Bd3 Bxc3+ 7. bxc3 Nf6 8. Nf3 Nc6 9. 0-0 0-0 10. e4 dxe4 11. Bxe4 Re8 12. Bg5 g6 13. Bxc6 bxc6 14. Qd2 Ne4 15. Bxd8 Nxd2 16. Nxd2 Rxd8 17. Ne4 Kg7 18. Nc5 Rb8 19. Rab1 Rxb1 20. Rxb1 h5 21. h3 Bd7 22. Rb7 Bc8 23. Rxc7 a6 24. Rxc6 a5 25. Rc7 h4 26. d5 exd5 27. cxd5 Bf5 28. Ne6+ Bxe6 29. dxe6 Rf8 30. Rxf7+ Rxf7 31. exf7 Kxf7 32. Kf1 Ke6 33. Ke2 Kd5 34. Kd3 Kc5 35. g3 hxg3 36. fxg3 Kc6 37. h4 Kd7 38. g4 Ke8 39. h5 gxh5 40. gxh5 Kf8 41. c4 Ke8 42. c5 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.30"]
[Round "11"]
[White "Pham, Anh Trung"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "81"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 Nxd4 10. Bxd4 Be6 11. 0-0-0 Qa5 12. Kb1 Rfc8 13. a3 Rab8 14. h4 b5 15. g5 Nh5 16. Bh3 Bxh3 17. Rxh3 Rc4 18. Bxg7 Nxg7 19. f4 b4 20. Nd5 Rxe4 21. Nxb4 Qb5 22. Rb3 Qe2 23. Qxe2 Rxe2 24. Nc6 Rxb3 25. cxb3 a6 26. b4 Nf5 27. Nb8 Re4 28. Nxa6 Ne3 29. Re1 d5 30. Nc5 Rxf4 31. Rxe3 e6 32. b5 Rc4 33. Rc3 Rxh4 34. b6 d4 35. Rd3 e5 36. b7 e4 37. b8Q+ Kg7 38. Qe5+ Kg8 39. Rxd4 Rh1+ 40. Ka2 e3 41. Rd8# 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.29"]
[Round "10"]
[White "Derwent, Ethan"]
[Black "Lehmann, Dominik"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "87"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Bb4+ 5. Nc3 Nbd7 6. e3 c5 7. a3 Bxc3+ 8. bxc3 Qa5 9. Qc2 Ne4 10. Bd3 Qxc3+ 11. Qxc3 Nxc3 12. 0-0 dxc4 13. Bxc4 cxd4 14. Nxd4 Nb6 15. Bd3 f6 16. Bh4 e5 17. Nf5 e4 18. Nd6+ Ke7 19. Nxe4 Nxe4 20. Bxe4 Nc4 21. Rfd1 Nd6 22. Bf3 Nf5 23. Bg3 Nxg3 24. hxg3 Rb8 25. Rac1 Rd8 26. Rc7+ Rd7 27. Rdxd7+ Bxd7 28. Bg4 f5 29. Bxf5 Rd8 30. Rxb7 Kd6 31. Rxd7+ Rxd7 32. Bxd7 Kxd7 33. Kf1 Kd6 34. Ke2 Kc5 35. Kd3 Kb5 36. e4 Ka4 37. f4 Kxa3 38. e5 Kb3 39. e6 a5 40. e7 a4 41. e8Q a3 42. Qb8+ Ka2 43. Kc2 Ka1 44. Qb1# 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.28"]
[Round "9"]
[White "Irgaliyev, Alikhan"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B71"]
[PlyCount "95"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. Bc4 dxe5 10. 0-0 Qb6+ 11. Kh1 Bg7 12. f5 Ba6 13. Be3 Qxe3 14. Bxa6 Nc5 15. Rf3 Qd4 16. Qf1 e4 17. Rf2 0-0 18. Bc4 Kh8 19. Rf4 Rab8 20. Bb3 Nxb3 21. axb3 Qd2 22. Rf2 Qd4 23. Ra4 Rb4 24. Rxb4 Qxb4 25. fxg6 Bxc3 26. bxc3 Qb8 27. Rxf7 Rxf7 28. gxf7 Kg7 29. Qf5 Qd8 30. f8Q+ Qxf8 31. Qg4+ Kh8 32. Kg1 e3 33. Qf3 Qd8 34. h3 Kg8 35. Qg4+ Kf7 36. Qf5+ Ke8 37. Qd3 Qb6 38. Kf1 Kf7 39. Qxh7+ Ke8 40. Qh8+ Kf7 41. Qh7+ Ke8 42. Qh6 Kd7 43. Ke2 Qc7 44. Qxe3 Qh2 45. Qxa7+ Ke8 46. Qa8+ Kd7 47. Qb7+ Kd6 48. Qb8+ 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.27"]
[Round "8"]
[White "Derwent, Ethan"]
[Black "Suleymanli, Ramazan Yunus Oglu"]
[Result "0-1"]
[ECO "D36"]
[PlyCount "50"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 c6 8. Nge2 0-0 9. Qc2 Re8 10. 0-0 Nf8 11. f3 h6 12. Bh4 Ne6 13. Rad1 g5 14. Bf2 Kh8 15. Ng3 Ng7 16. e4 Rg8 17. Rfe1 h5 18. Qe2 Be6 19. Nf5 Bxf5 20. exf5 Bd6 21. Qd2 Nge8 22. Bh4 Bf4 23. Qf2 gxh4 24. Qxh4 Bg5 25. Qf2 Qc7 0-1

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.26"]
[Round "7"]
[White "Yuan, Zongyuan"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B71"]
[PlyCount "70"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Bb5 Qc7 8. Nd5 Nxd5 9. exd5 a6 10. Ba4 Qa5+ 11. c3 Qxd5 12. 0-0 Bd7 13. Bb3 Qc5 14. Be3 Bg7 15. f5 Bxd4 16. cxd4 Qa5 17. fxg6 fxg6 18. Bh6 d5 19. Qf3 Be6 20. Bg7 Rg8 21. Rae1 Kd7 22. Qe3 Bf5 23. Bh6 e6 24. Qf4 Qb4 25. Rd1 a5 26. Rf3 a4 27. a3 Qb5 28. Ba2 Qxb2 29. Rd2 Qc1+ 30. Kf2 Be4 31. Qf7+ Ne7 32. Rh3 Raf8 33. Bxf8 Qxd2+ 34. Kg3 Qxg2+ 35. Kh4 g5+ 0-1

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.24"]
[Round "6"]
[White "Derwent, Ethan"]
[Black "Schroeder, Jan Christian"]
[Result "1/2-1/2"]
[ECO "D56"]
[PlyCount "85"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 dxc4 11. Bxc4 c5 12. 0-0 b6 13. Qe2 Bb7 14. Ne5 Nc6 15. f4 Nxe5 16. fxe5 Rac8 17. Rac1 Qg5 18. a4 cxd4 19. cxd4 Rfd8 20. Qf2 Qe7 21. Bb3 Rc7 22. Rxc7 Qxc7 23. Rd1 Qc3 24. Rf1 Rd7 25. Bd1 Ba6 26. Be2 Bxe2 27. Qxe2 Rc7 28. Rd1 Qb3 29. e4 Rc2 30. Qf3 Rc3 31. Qe2 Re3 32. Qd2 Rxe4 33. Qd3 Re3 34. Qxb3 Rxb3 35. d5 exd5 36. Rxd5 Rb4 37. a5 bxa5 38. Rxa5 Rb7 39. Kf2 Kf8 40. Ke3 Rd7 41. Ke4 g6 42. Ra6 Ke8 43. g4 1/2-1/2

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.23"]
[Round "5"]
[White "Zamengo, Fulvio"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "57"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Bxf8 Qxf8 15. Ne4 Bh6 16. Ng5 f6 17. h4 Rb8 18. Bc4 Qd8 19. g4 fxg5 20. h5 Qb6 21. Bb3 a5 22. hxg6 Kg7 23. Qe2 Ne3 24. Rd3 Bc4 25. Qxe3 Bxd3 26. Qxe5+ Kxg6 27. Qe6+ Kg7 28. Qxh6+ Kh8 29. Qf6# 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.22"]
[Round "4"]
[White "Derwent, Ethan"]
[Black "Shoshin, Valery"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "39"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Bg4 7. 0-0 Nc6 8. Rb1 Bxf3 9. Bxf3 Nd7 10. Be3 e5 11. d5 Nd4 12. Bxd4 exd4 13. Nb5 Nb6 14. b3 f5 15. exf5 Rxf5 16. Nxd4 Bxd4 17. Qxd4 Rf7 18. Bg4 Rf6 19. Rfe1 Nd7 20. Bxd7 1-0

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.22"]
[Round "3"]
[White "Mcewen, Mason Stuart"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "128"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. Be3 cxd4 8. cxd4 Nf6 9. Nc3 Bb4 10. 0-0 Qa5 11. Qc2 0-0 12. h3 Bh5 13. Ne4 Nd5 14. a3 Be7 15. b4 Qb6 16. Nc5 Rfd8 17. b5 Na5 18. Rac1 Rac8 19. Ne5 Nxe3 20. fxe3 Bxe2 21. Qxe2 Bxc5 22. dxc5 Rxc5 23. Rfd1 Rxd1+ 24. Rxd1 Rxe5 25. Qc2 h6 26. Rd3 Rxe3 27. Kh2 Rxd3 28. Qxd3 a6 29. a4 axb5 30. axb5 Qc7+ 31. g3 b6 32. Qe4 Qc4 33. Qa8+ Kh7 34. Qa6 Qe2+ 35. Kg1 Qe1+ 36. Kg2 Qe4+ 37. Kh2 Qb7 38. h4 Qxa6 39. bxa6 Nc6 40. Kg2 Kg6 41. Kf3 Kf5 42. Ke3 Ke5 43. Kd3 Kd5 44. g4 Kc5 45. h5 Kb5 46. Ke4 Kxa6 47. Kf4 b5 48. Ke4 b4 49. Kd3 b3 50. Kc3 Nd4 51. Kxd4 b2 52. Ke5 b1Q 53. Kd6 Qb6+ 54. Ke7 Qc7+ 55. Kf8 f6 56. Kg8 e5 57. Kh7 e4 58. Kg6 e3 59. Kh7 e2 60. Kg6 e1Q 61. Kh7 Qe4+ 62. Kg8 g5 63. Kf8 Qb4+ 64. Ke8 Qbb8# 0-1

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.21"]
[Round "2"]
[White "Derwent, Ethan"]
[Black "Palu, Andres"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "78"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Nbd7 5. Nc3 c6 6. e3 Bb4 7. Bd3 h6 8. Bh4 Qa5 9. Qc2 dxc4 10. Bxc4 Ne4 11. Rc1 Nxc3 12. bxc3 Bd6 13. 0-0 0-0 14. e4 e5 15. Rfe1 b5 16. Bb3 c5 17. Bd5 Rb8 18. Bg3 Qc7 19. a3 Bb7 20. Bxb7 Rxb7 21. Re2 c4 22. Rd1 Re8 23. dxe5 Nxe5 24. Qc1 Nd3 25. Bxd6 Qxd6 26. Qa1 Qc5 27. Re3 Rbe7 28. Nd2 Qe5 29. g3 Qh5 30. Kg2 Qg4 31. f3 Qg5 32. Nf1 f5 33. h4 Qg6 34. exf5 Qxf5 35. Rxe7 Rxe7 36. Rd2 Ne1+ 37. Kg1 Nxf3+ 38. Kh1 Nxd2 39. Nxd2 Qd5+ 0-1

[Event "Wch U10"]
[Site "Vung Tau"]
[Date "2008.10.20"]
[Round "1"]
[White "Vojdani, Siavosh"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B70"]
[PlyCount "85"]
[EventDate "2008.10.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "VIE"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Re1 Nc6 9. Nb3 Be6 10. Bf1 d5 11. exd5 Nxd5 12. Ne4 Bf5 13. c3 Nc7 14. Bf4 Ne6 15. Bg3 h5 16. h3 a5 17. Nbc5 Bxe4 18. Nxe6 Qxd1 19. Raxd1 Bc2 20. Nxf8 Bxd1 21. Nxg6 fxg6 22. Rxd1 Kf7 23. Rd7 b6 24. Bb5 Ne5 25. Rd5 Ke6 26. Rd1 Rh8 27. f4 h4 28. Bf2 Nf7 29. Bc4+ Kf5 30. Bxf7 e6 31. Rd6 e5 32. Bxg6+ Kxf4 33. Rd3 e4 34. Re3 Bh6 35. Rxe4+ Kg5 36. Be3+ Kxg6 37. Re6+ Kh5 38. Rxh6+ Rxh6 39. Bxh6 Kxh6 40. b4 axb4 41. cxb4 Kg5 42. a4 Kf6 43. a5 1-0

[Event "Canberra ANU op"]
[Site "Canberra"]
[Date "2008.07.23"]
[Round "2"]
[White "Derwent, Ethan"]
[Black "Jochimsen, Erik"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "81"]
[EventDate "2008.07.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "AUS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Bb4 5. e3 Ne7 6. a3 Bxc3+ 7. bxc3 0-0 8. cxd5 exd5 9. Bd3 Bg4 10. 0-0 h6 11. Re1 Ng6 12. e4 Nh4 13. Be2 dxe4 14. Nxh4 Bxe2 15. Qxe2 Qxh4 16. Qxe4 Qxe4 17. Rxe4 Nd7 18. Re7 Rfe8 19. Rxe8+ Rxe8 20. Be3 Nf6 21. c4 a6 22. h3 Ne4 23. a4 Nd6 24. Rc1 Nf5 25. Rc3 Kf8 26. Rb3 Nxe3 27. fxe3 Re7 28. Kf2 Ke8 29. Kf3 Kd8 30. e4 Kc7 31. a5 g6 32. g4 Rd7 33. d5 cxd5 34. exd5 Kd6 35. Kf4 f6 36. Rb6+ Ke7 37. h4 Kf7 38. h5 Kg7 39. hxg6 Kxg6 40. d6 Kf7 41. Kf5 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.28"]
[Round "11"]
[White "Shabanov, Abdulla Fikrat Oglu"]
[Black "Derwent, Ethan"]
[Result "1/2-1/2"]
[ECO "B76"]
[PlyCount "54"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. f3 0-0 8. Be3 Nc6 9. Nb3 Bd7 10. Qd2 Rb8 11. 0-0-0 Ne5 12. Be2 b5 13. g4 Nc4 14. Bxc4 bxc4 15. Nd4 Qb6 16. Ndb5 Qa5 17. h4 Bxb5 18. Nxb5 Qxb5 19. Bd4 e5 20. Bc3 Rfd8 21. h5 a5 22. h6 Bh8 23. Qg2 d5 24. Bxe5 Rb6 25. c3 a4 26. Bc7 Rd7 27. Bxb6 Qxb6 1/2-1/2

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.27"]
[Round "10"]
[White "Derwent, Ethan"]
[Black "Sazci, Bilgen"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "51"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 Nc6 6. Nf3 Bg4 7. Bb5 Bxf3 8. Qxf3 a6 9. Bxc6+ bxc6 10. 0-0 Qxd4 11. Rd1 Qf6 12. Qd3 Qd6 13. Qh3 Qe6 14. Qxe6 fxe6 15. Bf4 Rc8 16. Rac1 Nc4 17. Na4 Nb6 18. Nc5 Kf7 19. Rd3 g6 20. Rf3 Kg8 21. Nxe6 Na4 22. Be5 Bg7 23. Bxg7 Rd8 24. Nxd8 Kxg7 25. Ne6+ Kg8 26. Rf8# 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.26"]
[Round "9"]
[White "Swabinash, S."]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "54"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 0-0 8. 0-0 Nc6 9. Nxc6 bxc6 10. Re1 Nd7 11. Bb3 Bb7 12. Bf4 Qb6 13. Qg4 Rad8 14. Rad1 Bd4 15. Qg3 Nf6 16. Na4 Qa5 17. Re2 Qh5 18. Red2 Nxe4 19. Qg4 Qxg4 20. hxg4 Nxd2 21. Rxd2 c5 22. c3 Bg7 23. Bg5 Rfe8 24. Bc4 a6 25. Nb6 h6 26. Bh4 g5 27. Bg3 e5 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.25"]
[Round "8"]
[White "Derwent, Ethan"]
[Black "Tomulic, Teo"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "84"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. Bg5 Bf5 6. e3 Nbd7 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Be7 10. Rfe1 0-0 11. c5 h6 12. Bh4 b6 13. b4 b5 14. Nd2 e5 15. Nb3 Re8 16. a4 Qb8 17. axb5 axb5 18. Rxa8 Qxa8 19. Ra1 Qb8 20. Na5 Qc7 21. Bg3 Rc8 22. f4 e4 23. Qe2 Qd8 24. f5 Nh7 25. Nb7 Qf8 26. Qg4 Ndf6 27. Qe2 Bd8 28. Bd6 Qe8 29. Ra7 Bc7 30. Qa2 Ng4 31. Bxc7 Rxc7 32. Nd6 Rxa7 33. Qxa7 Qf8 34. Qb7 Ng5 35. Qxc6 Qb8 36. Qd7 Qa8 37. Kf1 Qa1+ 38. Ke2 Qb2+ 39. Kd1 Nxe3+ 40. Ke1 Nxg2+ 41. Kf1 Ne3+ 42. Ke1 Nf3# 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.24"]
[Round "7"]
[White "Sharipov, Munirjon"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "E93"]
[PlyCount "69"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Qc2 Nh5 9. g3 h6 10. Be3 c5 11. dxc6 bxc6 12. Rd1 Nb6 13. Qd2 Ba6 14. Qxd6 Qxd6 15. Rxd6 Rfc8 16. b3 Bf8 17. Rd1 Bb4 18. Bd2 Rd8 19. Nxe5 Rxd2 20. Kxd2 Rd8+ 21. Kc2 Rxd1 22. Rxd1 Nf6 23. Nxc6 Bxc3 24. Kxc3 Nxe4+ 25. Kb2 Bb7 26. Nxa7 Nxf2 27. Rd8+ Kg7 28. Rb8 Nd7 29. Rxb7 Nf6 30. c5 N2e4 31. c6 Nd6 32. Rb4 Nd5 33. Rd4 Ne7 34. Rxd6 Nxc6 35. Nxc6 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.22"]
[Round "6"]
[White "Derwent, Ethan"]
[Black "Riabko, Mykyta"]
[Result "0-1"]
[ECO "E53"]
[PlyCount "69"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 0-0 7. 0-0 Bxc3 8. bxc3 Nc6 9. Bb1 h6 10. Qc2 Qd6 11. Ba3 b6 12. Nd2 Rd8 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 g6 16. Rd1 Rb8 17. Bc2 Qc7 18. Rab1 Bb7 19. Bc1 Nxd4 20. Qf4 Qxf4 21. Bxf4 Ne2+ 22. Kf1 Nxf4 23. Rxd8+ Rxd8 24. Rd1 Rxd1+ 25. Bxd1 Bxg2+ 26. Ke1 Kg7 27. f3 f5 28. Kf2 g5 29. Kg3 Bf1 30. h4 Bxc4 31. Bb3 Bxb3 32. axb3 Ne2+ 33. Kf2 Nxc3 34. h5 a5 35. Kg3 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.22"]
[Round "5"]
[White "Mammadov, Qulam"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "38"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. g4 Bd7 10. h4 Ne5 11. h5 b5 12. hxg6 fxg6 13. Bh6 Qb6 14. 0-0-0 Nc4 15. Qg5 Rab8 16. Nd5 Nxd5 17. Bxg7 Nde3 18. Bxf8 Nxd1 19. Qd5+ Kh8 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.21"]
[Round "4"]
[White "Derwent, Ethan"]
[Black "Saruhanov, Alexandr"]
[Result "1-0"]
[ECO "A86"]
[PlyCount "36"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 f5 2. g3 d6 3. Bg2 Nf6 4. c4 Nc6 5. Nc3 Bd7 6. Nf3 e6 7. 0-0 Be7 8. e3 0-0 9. a3 a5 10. Bd2 d5 11. Qe2 b6 12. Ne5 Nxe5 13. dxe5 Ne4 14. Nxe4 fxe4 15. f4 Rb8 16. b4 b5 17. cxb5 Re8 18. Qg4 Bf6 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.20"]
[Round "3"]
[White "Srivastav, Shivam"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "51"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 e6 5. Nf3 Nc6 6. Na3 Nf6 7. Be3 b6 8. Nb5 Qd7 9. Bf4 Nd5 10. Bg3 a6 11. Na3 cxd4 12. cxd4 Bxa3 13. bxa3 0-0 14. Bd3 h6 15. 0-0 Nf6 16. Re1 Nxd4 17. Nxd4 Qxd4 18. Bh7+ Kxh7 19. Qxd4 Bb7 20. Qxb6 Rad8 21. Qxb7 Rd5 22. Qxa6 Rfd8 23. h3 e5 24. Rxe5 Rd1+ 25. Rxd1 Rxd1+ 26. Kh2 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.19"]
[Round "2"]
[White "Derwent, Ethan"]
[Black "Sirokov, Jevgenijs"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "50"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nc6 5. Bg5 Bb4 6. e3 Bxc3+ 7. bxc3 h6 8. Bh4 g5 9. Bg3 Ne4 10. cxd5 exd5 11. Ne5 Nxe5 12. Bxe5 Nxc3 13. Qh5 Be6 14. Bd3 Qe7 15. 0-0 0-0-0 16. Rfc1 Ne4 17. Bxe4 dxe4 18. Qd1 Rhg8 19. Rc3 f6 20. Rc4 c5 21. Rb1 Qf7 22. Qb3 a6 23. Qb6 Qc7 24. Bxf6 Kb8 25. Qb3 Rg7 1/2-1/2

[Event "Wch U08"]
[Site "Kemer"]
[Date "2007.11.18"]
[Round "1"]
[White "Da Silva Goncalo, Nunes Pires"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "34"]
[EventDate "2007.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. d3 h6 7. a3 d6 8. b4 Bb6 9. Rb1 Be6 10. Bxe6 fxe6 11. b5 Be3 12. a4 a6 13. a5 Nxa5 14. Ne2 Bb6 15. bxa6 bxa6 16. d4 exd4 17. Nfxd4 Qd7 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.26"]
[Round "11"]
[White "Derwent, Ethan"]
[Black "Qin, Stefan"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "316"]
[PlyCount "60"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Nc3 exd4 5. Qxd4 Qxd4 6. exd4 Be6 7. Be2 c5 8. d5 Bf5 9. Bxc4 Bd6 10. Nf3 Nf6 11. Be3 Na6 12. Bb5+ Nd7 13. Bxd7+ Bxd7 14. Ne4 Be7 15. d6 Bc6 16. Nxc5 Bxd6 17. Nxa6 bxa6 18. 0-0-0 Rc8 19. Kb1 Be4+ 20. Ka1 Be7 21. Ng5 Bxg2 22. Rhg1 Bc6 23. Bxa7 Bxg5 24. Rxg5 0-0 25. Rc1 Rc7 26. Bb6 Re7 27. Bc5 Rd7 28. Bxf8 Kxf8 29. Rxc6 Rd1+ 30. Rc1 Rxc1# 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.25"]
[Round "10"]
[White "Mantoro, Mamo"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "917"]
[BlackElo "316"]
[PlyCount "47"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bh5 6. Bg5 d5 7. e5 Ne4 8. g4 Nxc3 9. bxc3 Bg6 10. h4 h5 11. e6 Qc7 12. exf7+ Bxf7 13. Ne5 e6 14. Qf3 Ba3 15. Nxf7 Rf8 16. Bd3 Qa5 17. 0-0 Qxc3 18. Bg6 Qxf3 19. Ne5+ Rf7 20. Nxf3 Bb2 21. Rab1 Ba3 22. Ne5 Kf8 23. Bxf7 g6 24. Bxg6 1-0

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.24"]
[Round "9"]
[White "Derwent, Ethan"]
[Black "Poh, Clement"]
[Result "1-0"]
[ECO "D51"]
[WhiteElo "316"]
[PlyCount "49"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. e4 Qa5 7. Bd2 Bb4 8. exd5 exd5 9. cxd5 cxd5 10. Bd3 0-0 11. 0-0 b6 12. Qc2 Re8 13. Ng5 h6 14. Bh7+ Nxh7 15. Qxh7+ Kf8 16. Qh8+ Ke7 17. Rae1+ Kd8 18. Qxe8+ Kc7 19. Bf4+ Bd6 20. b4 Qa3 21. Bxd6+ Kxd6 22. Nb5+ Kc6 23. Nxa3 Bb7 24. Rc1+ Kd6 25. Nb5# 1-0

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.22"]
[Round "8"]
[White "Litchfield, Frederick"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "316"]
[PlyCount "52"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g4 d6 2. Bg2 c6 3. h3 h6 4. e3 Nf6 5. Ne2 e5 6. 0-0 Be6 7. d3 Qb6 8. c4 Nbd7 9. Nbc3 0-0-0 10. Qb3 Be7 11. Qxb6 Nxb6 12. e4 Nbd7 13. Be3 Nc5 14. Rad1 d5 15. b4 d4 16. g5 hxg5 17. bxc5 dxe3 18. fxe3 Bxc5 19. d4 exd4 20. exd4 Bb4 21. d5 Bxh3 22. e5 Bc5+ 23. Nd4 Bxg2 24. Kxg2 Ng4 25. Rd3 Nxe5 26. Nf3 Nxd3 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.21"]
[Round "7"]
[White "Derwent, Ethan"]
[Black "Guo, Jamie Lee"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "316"]
[PlyCount "73"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. cxd5 exd5 5. Nf3 Be6 6. Bg5 Be7 7. Bxe7 Nxe7 8. Ng5 Qc8 9. Qb3 Qd7 10. Nxe6 Qxe6 11. Qxb7 Qc6 12. Qxc6+ Nbxc6 13. e3 0-0 14. h3 Rab8 15. 0-0-0 Ng6 16. Bb5 Nge7 17. Bxc6 Nxc6 18. Nxd5 Nb4 19. Nxb4 Rxb4 20. Rh2 f4 21. Rdh1 fxe3 22. fxe3 Rb6 23. h4 Rff6 24. e4 Rfe6 25. h5 Rh6 26. g4 g6 27. hxg6 Rbxg6 28. Rxh6 Rxh6 29. Rxh6 Kg7 30. Rc6 h6 31. Rxc7+ Kg6 32. d5 Kf6 33. Rh7 Kg5 34. d6 Kxg4 35. d7 Kf4 36. d8Q Kxe4 37. Rxh6 1-0

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.20"]
[Round "6"]
[White "Rostov, Marat"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "316"]
[PlyCount "69"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 Nbd7 7. Bc4 e5 8. f5 Be7 9. d3 0-0 10. Bd2 Re8 11. g4 Nf8 12. h4 g6 13. 0-0-0 h6 14. g5 N6d7 15. f6 d5 16. fxe7 Qxe7 17. exd5 cxd5 18. Bxd5 Rad8 19. h5 e4 20. dxe4 Ne6 21. hxg6 Rf8 22. Qh3 fxg6 23. Qxh6 Kf7 24. Qh7+ Ke8 25. Qxg6+ Rf7 26. Rh8+ Ndf8 27. Bb3 b5 28. Nd5 Qc5 29. Nf6+ Ke7 30. Qf5 Rxd2 31. Rxd2 Qg1+ 32. Rd1 Qe3+ 33. Kb1 Qe2 34. c3 a5 35. Qc5+ 1-0

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.19"]
[Round "5"]
[White "Derwent, Ethan"]
[Black "Ginn, Jonathan"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "316"]
[PlyCount "102"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. Bf4 Nf6 5. e3 b5 6. Nxb5 cxb5 7. Qf3 Qd5 8. Qxd5 Nxd5 9. g3 Nxf4 10. gxf4 e6 11. Bg2 Bb4+ 12. Kf1 c3 13. bxc3 Bxc3 14. Rc1 Ba6 15. Bxa8 0-0 16. Kg2 b4 17. Bf3 Rc8 18. Ne2 Bxe2 19. Bxe2 a5 20. Rc2 a4 21. Rhc1 g6 22. a3 bxa3 23. Rxc3 Rxc3 24. Rxc3 a2 25. Rc1 Nc6 26. Bb5 Nb4 27. Ra1 a3 28. Bd3 Kf8 29. Bc4 Ke7 30. Bxa2 Nc2 31. Rc1 Nb4 32. Rc3 Nxa2 33. Rxa3 Nb4 34. Rb3 Nd5 35. Rd3 f6 36. e4 Nxf4+ 37. Kf3 Nxd3 38. Ke3 Nb4 39. Kd2 Nc6 40. Kc3 e5 41. d5 Nd4 42. Kc4 Kd6 43. f4 Nf3 44. fxe5+ Kxe5 45. h3 Ng1 46. h4 Nf3 47. h5 gxh5 48. Kd3 h4 49. Ke2 Ng5 50. Kf2 Nxe4+ 51. Kg2 Ng5 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.19"]
[Round "4"]
[White "Rostov, Gregory"]
[Black "Derwent, Ethan"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "316"]
[PlyCount "65"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 c6 4. Nf3 Bg4 5. h3 Bd7 6. Bc4 c5 7. d3 Bc6 8. Be3 d5 9. Ng5 dxc4 10. dxc4 Nbd7 11. e5 Nh5 12. e6 fxe6 13. Qxh5+ g6 14. Qg4 e5 15. 0-0-0 Qb6 16. b3 Bg7 17. Nd5 Bxd5 18. Rxd5 e4 19. Qxd7+ Kf8 20. Ne6+ Kf7 21. Nxg7 Rad8 22. Qe6+ Qxe6 23. Nxe6 Kxe6 24. Re5+ Kf7 25. Bxc5 e6 26. Re1 Rc8 27. R1xe4 b6 28. Ba3 a5 29. Rxe6 Rc5 30. Bxc5 bxc5 31. Re7+ Kf6 32. R7e6+ Kf7 33. Ra6 1-0

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.16"]
[Round "3"]
[White "Derwent, Ethan"]
[Black "Louie, Ryan"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "316"]
[BlackElo "776"]
[PlyCount "104"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Bd6 6. e4 Be7 7. cxd5 cxd5 8. Bd3 0-0 9. 0-0 Nc6 10. Re1 dxe4 11. Bxf6 Bxf6 12. Nxe4 Nxd4 13. Nxf6+ Qxf6 14. Bxh7+ Kxh7 15. Nxd4 Rd8 16. Qc2+ Kg8 17. Nb5 Bd7 18. Nc3 Rac8 19. Re3 Rc5 20. Rd1 b5 21. b4 Rc4 22. Red3 Rdc8 23. Rxd7 Rxc3 24. Qb1 Rc2 25. R1d2 Rxd2 26. Rxd2 Qg6 27. Rd1 Qxb1 28. Rxb1 Rc2 29. g3 Rxa2 30. Kg2 Ra3 31. h4 Kh7 32. Rc1 Kg6 33. Rc7 a6 34. f4 f5 35. Re7 Kf6 36. Re8 Rb3 37. Ra8 Ra3 38. Rf8+ Ke7 39. Rg8 Kf7 40. Rh8 Rb3 41. Ra8 Rxb4 42. Rxa6 Rb1 43. Ra7+ Kf6 44. Kh3 b4 45. h5 b3 46. h6 gxh6 47. Rh7 b2 48. Rxh6+ Kg7 49. Rxe6 Rh1+ 50. Kg2 b1Q 51. Re7+ Kf6 52. Re2 Qf1# 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.15"]
[Round "2"]
[White "Smirnov, Anton"]
[Black "Derwent, Ethan"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "316"]
[PlyCount "46"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 c6 4. Bc4 Bg4 5. h3 Bxf3 6. Qxf3 e5 7. 0-0 Nbd7 8. d3 g6 9. Bg5 Bg7 10. Rad1 0-0 11. d4 Re8 12. dxe5 Nxe5 13. Bxf6 Nxf3+ 14. gxf3 Bxf6 15. Rd3 b5 16. Bb3 Qb6 17. Rxd6 Bh4 18. Re1 Re6 19. Bxe6 fxe6 20. Rxe6 Rf8 21. b3 Rxf3 22. Re8+ Kg7 23. Kg2 Rxf2+ 0-1

[Event "AUS-ch U12"]
[Site "Canberra"]
[Date "2007.01.14"]
[Round "1"]
[White "Derwent, Ethan"]
[Black "Li, James"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "316"]
[BlackElo "1116"]
[PlyCount "62"]
[EventDate "2007.01.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bf4 a6 6. e3 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. 0-0 0-0 11. e4 c5 12. Bc2 b4 13. Ne2 Nxe4 14. Qd3 Nef6 15. Bg5 Be4 16. Qd2 Bxc2 17. Qxc2 cxd4 18. Nexd4 h6 19. Bf4 Nd5 20. Qd3 Nxf4 21. Qe4 Ng6 22. Nc6 Qe8 23. Nfd4 Nf6 24. Qc2 Rc8 25. f4 Nd5 26. f5 Ne3 27. Qd3 Nxf1 28. fxe6 Bf6 29. exf7+ Qxf7 30. Rxf1 Bxd4+ 31. Qxd4 Qxf1# 0-1

