[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.04"]
[Round "8"]
[White "Pannebakker, Joost Jan"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "1321"]
[BlackElo "1056"]
[PlyCount "61"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. dxe6 fxe6 4. e4 d5 5. exd5 Qxd5 6. Qxd5 exd5 7. Nc3 Nf6 8. Nf3 Be7 9. Nb5 Bd8 10. Nd6+ Kd7 11. Nxc8 Kxc8 12. Bb5 c4 13. c3 a6 14. Ba4 Nfd7 15. 0-0 Re8 16. Be3 Be7 17. Rad1 b5 18. Bc2 Nf6 19. Bf5+ Kb7 20. Rfe1 g6 21. Bc2 Nbd7 22. b3 Rac8 23. bxc4 dxc4 24. Rb1 Ka8 25. a4 Rb8 26. axb5 Rxb5 27. Ba4 Rxb1 28. Rxb1 Rc8 29. Ng5 Nb8 30. Bd1 Bc5 31. Bf3+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.04"]
[Round "7"]
[White "Westerduin, Dennis"]
[Black "Klijn, Hugo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1056"]
[BlackElo "982"]
[PlyCount "95"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 Bb4 5. a3 Bxc3 6. bxc3 Nxe4 7. Bb5 d6 8. 0-0 0-0 9. Bxc6 bxc6 10. Re1 Nf6 11. d4 exd4 12. cxd4 Bg4 13. h3 Bh5 14. Qd3 Bxf3 15. Qxf3 Nd5 16. c4 Ne7 17. a4 d5 18. Ba3 Re8 19. Bxe7 Rxe7 20. Rxe7 Qxe7 21. cxd5 cxd5 22. Qxd5 Rd8 23. Qb7 Rxd4 24. Qxa7 Rd7 25. Qe3 Qd8 26. Kh2 g6 27. a5 Qf6 28. Qe8+ Kg7 29. Qxd7 Qxa1 30. Qxc7 Qf1 31. Qb6 Qc4 32. g3 Qc8 33. a6 Qa8 34. a7 h5 35. Kg1 f5 36. Qb8 Qxa7 37. Qxa7+ Kh6 38. h4 g5 39. Qb6+ Kg7 40. hxg5 Kf7 41. Qh6 h4 42. g6+ Ke7 43. gxh4 Kd6 44. g7+ Kd5 45. g8Q+ Ke5 46. Qe3+ Kd6 47. Qc8 f4 48. Qee6# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.04"]
[Round "9"]
[White "Westerduin, Dennis"]
[Black "Remans, Nathan"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1056"]
[BlackElo "1389"]
[PlyCount "84"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c4 Nc6 3. d3 d6 4. Nf3 Nf6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Bd7 9. Re1 e6 10. Bd2 Re8 11. Be3 Qc7 12. Rc1 a6 13. Qe2 Rad8 14. Rcd1 Bc8 15. h3 b6 16. Qd2 d5 17. Qc1 d4 18. Bg5 dxc3 19. Qxc3 e5 20. Nh4 h6 21. Be3 Nd4 22. Qc1 Kh7 23. Nf3 Bd7 24. a3 Ba4 25. Bxd4 cxd4 26. Rd2 Rc8 27. Qb1 Nd7 28. b3 Bc6 29. Rb2 Nc5 30. Kh2 b5 31. Rc1 Qe7 32. cxb5 Bxb5 33. Ne1 h5 34. Rbc2 Bd7 35. b4 Ne6 36. Rxc8 Rxc8 37. Rxc8 Bxc8 38. Qc2 Qc7 39. Qxc7 Nxc7 40. Nc2 Nb5 41. a4 Nc3 42. a5 Bf8 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.03"]
[Round "4"]
[White "Franken, Floyd"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1158"]
[BlackElo "1056"]
[PlyCount "51"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 d6 5. d4 Bd7 6. d5 Nb8 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. h3 0-0 10. Re1 Re8 11. Be3 c6 12. dxc6 bxc6 13. a3 d5 14. exd5 cxd5 15. Nxd5 Nxd5 16. Qxd5 Bf6 17. Red1 Re7 18. Bg5 Kf8 19. Bxf6 gxf6 20. Nh4 Ke8 21. Nf5 Re6 22. Ng7+ Ke7 23. Nxe6 fxe6 24. Qd6+ Ke8 25. Qxe6+ Kf8 26. Qxd7 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.03"]
[Round "6"]
[White "Schalij, Ties"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1333"]
[BlackElo "1056"]
[PlyCount "57"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d5 5. Nc3 dxe4 6. Nxe4 Qxd4 7. Qxd4 Nxd4 8. Bf4 Nc6 9. 0-0-0 e5 10. Bg5 Be7 11. Bc4 Be6 12. Bxe6 fxe6 13. Bxe7 Ngxe7 14. Nd6+ Kf8 15. Nf3 Rd8 16. Nxb7 Rxd1+ 17. Rxd1 Ng6 18. Nc5 Kf7 19. Ng5+ Kf6 20. Ngxe6 Re8 21. Nc7 Rc8 22. Rd6+ Kf7 23. Rxc6 Nf4 24. Ne4 Nd5 25. Nd6+ Ke7 26. Nxc8+ Kd7 27. Rd6+ Kxc7 28. Rxd5 Kxc8 29. Rxe5 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.03"]
[Round "5"]
[White "Westerduin, Dennis"]
[Black "Blees, Timothy"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1056"]
[BlackElo "1262"]
[PlyCount "110"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. g3 d6 4. Bg2 e6 5. c4 Nc6 6. Nc3 Nf6 7. d3 Be7 8. Be3 Qa5 9. Bd2 Qc7 10. 0-0 0-0 11. Qc2 b6 12. Rfe1 Bb7 13. Rad1 Nb4 14. Qb1 Nd7 15. a3 Nc6 16. Be3 Nde5 17. Nxe5 Nxe5 18. f4 Ng4 19. Bd2 Qc6 20. Re2 Qc7 21. Rde1 Rfe8 22. h3 Nf6 23. e5 Nd7 24. Bxb7 Qxb7 25. exd6 Bxd6 26. Ne4 Qc6 27. Nxd6 Qxd6 28. Re3 Nf6 29. R1e2 Re7 30. b4 Nd7 31. Qe1 Rae8 32. Bc3 cxb4 33. Bxb4 Nc5 34. f5 a5 35. Bxc5 Qxc5 36. Kf1 Qxf5+ 37. Kg2 Qc5 38. Qa1 Qc6+ 39. Kf2 Rd7 40. Re1 Qc5 41. Kg2 Qd4 42. Qxd4 Rxd4 43. Rb1 Rd6 44. Kf2 g6 45. g4 Red8 46. Ke2 Kg7 47. a4 Kh6 48. h4 f5 49. g5+ Kh5 50. Rh3 Kg4 51. Rbh1 Kh5 52. Rd1 Rd4 53. Rdh1 e5 54. R1h2 e4 55. Kd2 Rxd3+ 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.02"]
[Round "3"]
[White "Van Roon, Sjoerd"]
[Black "Westerduin, Dennis"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1322"]
[BlackElo "1056"]
[PlyCount "25"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 f5 2. exf5 d5 3. Qh5+ Kd7 4. Nf3 Nf6 5. Qh4 Ke8 6. Bb5+ c6 7. Ba4 Bxf5 8. d3 e6 9. 0-0 Be7 10. Qd4 b5 11. Bb3 c5 12. Qe5 Nc6 13. Qe2 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.02"]
[Round "1"]
[White "Westerduin, Dennis"]
[Black "Kevlishvili, Robby"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1056"]
[BlackElo "1837"]
[PlyCount "76"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nc6 5. 0-0 Nf6 6. Be2 Be7 7. d3 0-0 8. Be3 d5 9. Bd2 a6 10. Re1 d4 11. Nb1 e5 12. c3 Be6 13. b3 Nd7 14. c4 f5 15. Bf1 f4 16. Bc1 g5 17. h3 Kh8 18. Nbd2 Rg8 19. Nh2 Nf6 20. f3 Nh5 21. Bb2 Ng3 22. Rc1 Nb4 23. a3 Nxf1 24. Ndxf1 Nc6 25. Kh1 Qd7 26. Qd2 Bd8 27. Qf2 h5 28. Qe2 g4 29. hxg4 hxg4 30. fxg4 Bxg4 31. Nxg4 Rxg4 32. Rc2 Rh4+ 33. Kg1 Qh7 34. g3 Rh1+ 35. Kf2 fxg3+ 36. Nxg3 Rh2+ 37. Kf3 Qf7+ 38. Nf5 Qh5+ 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2011.06.02"]
[Round "2"]
[White "Westerduin, Dennis"]
[Black "Nguyen, Sang"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1056"]
[BlackElo "1335"]
[PlyCount "36"]
[EventDate "2011.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d5 6. exd5 Nxd5 7. Nxe5 Nxe5 8. d4 Nxc4 9. dxc5 Be6 10. b3 Na5 11. c4 Qf6 12. cxd5 Qxa1 13. dxe6 0-0 14. Qg4 Qxb1 15. Bh6 Qg6 16. Qxg6 hxg6 17. exf7+ Rxf7 18. Bd2 Nc6 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.23"]
[Round "6"]
[White "Schoppen, Casper"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1243"]
[BlackElo "839"]
[PlyCount "63"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 Bf5 7. 0-0 d5 8. Re1 0-0 9. Bf4 Re8 10. c3 Bf6 11. Na3 Bd7 12. Qb3 Bc6 13. Rad1 Nd7 14. Nb5 Nb6 15. Bxc7 Qd7 16. Bxb6 axb6 17. Na3 Ba4 18. Qxb6 Bxd1 19. Rxd1 Nd6 20. Qc5 Qd8 21. Qxd5 Qc7 22. Qb3 Rf8 23. Qc2 Rad8 24. Bxh7+ Kh8 25. Bd3 g6 26. c4 Ne8 27. Nb5 Qb8 28. Re1 Bg7 29. Re7 Nf6 30. Be4 Nxe4 31. Qxe4 Rde8 32. Qh4+ 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.23"]
[Round "8"]
[White "Van Maas de Bie, Jasper"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "914"]
[BlackElo "839"]
[PlyCount "93"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Ng4 Nxg4 5. Nc3 Nf6 6. Bc4 Be6 7. Bxe6 fxe6 8. d3 Be7 9. 0-0 e5 10. Bg5 0-0 11. Qe2 Nc6 12. Qf3 Nd4 13. Qg3 Nxc2 14. Rab1 Nd4 15. Bh6 Rf7 16. Rbc1 Kh8 17. Be3 c5 18. Bxd4 cxd4 19. Ne2 Rc8 20. Rcd1 Rc2 21. Rfe1 Rxb2 22. Rc1 Rxa2 23. Qh3 Rf8 24. Ng3 Ra3 25. Red1 Rc3 26. Rb1 b6 27. Ne2 Rc8 28. Ng3 a5 29. Nf5 Qe8 30. Rxb6 Rd8 31. Rb7 Rf7 32. Ra1 Rc8 33. g3 Rc3 34. g4 Nxe4 35. Rab1 a4 36. Rb8 Rc8 37. R8b2 a3 38. Ra2 Nc3 39. Rxa3 Nxb1 40. Ra1 Nc3 41. Kg2 Ne2 42. Kf1 Rc1+ 43. Rxc1 Nxc1 44. Qg3 Qa4 45. Nh4 Bxh4 46. Qxh4 Nxd3 47. Qd8+ 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.23"]
[Round "7"]
[White "Westerduin, Dennis"]
[Black "Kanger, Thomas"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "839"]
[BlackElo "962"]
[PlyCount "110"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Be3 d6 7. Bxc5 dxc5 8. Nc3 Be6 9. Bb5 Qd6 10. Re1 a6 11. Ba4 b5 12. Bb3 c4 13. dxc4 bxc4 14. Ba4 Nb4 15. a3 Qxd1 16. Raxd1 a5 17. Nxe5 c5 18. Bb5 Nxc2 19. Rf1 Nd4 20. Bxc4 Bxc4 21. Nxc4 Rad8 22. h3 Rfe8 23. Rfe1 Nxe4 24. Rxe4 Rxe4 25. Kh2 Ree8 26. Rg1 Nc6 27. Na4 Re4 28. Ncb6 Re2 29. f3 f5 30. Kh1 h5 31. Rf1 Rdd2 32. Rg1 g5 33. Nxc5 Rxb2 34. Nca4 Rb3 35. Rc1 Nd4 36. Rc8+ Kf7 37. Rd8 Nxf3 38. Rd1 Re1+ 39. Rxe1 Nxe1 40. Nc4 Rb1 41. Kh2 g4 42. h4 Rc1 43. Ne3 Ra1 44. Nc2 Nxc2 45. Nc5 Nxa3 46. Na4 Nc2 47. Nc3 a4 48. Nb5 a3 49. Nc3 a2 50. g3 Rh1+ 51. Kxh1 a1Q+ 52. Kg2 Qxc3 53. Kf1 Qe1+ 54. Kg2 Ne3+ 55. Kh2 Qf2+ 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.23"]
[Round "9"]
[White "Westerduin, Dennis"]
[Black "Van Dael, Siem"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "839"]
[BlackElo "903"]
[PlyCount "87"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 0-0 6. Be3 Bd4 7. Nxd4 Nxd4 8. c3 Nc6 9. Nd2 d5 10. exd5 Nxd5 11. Bc5 Re8 12. Re1 Nf4 13. Nf3 Qf6 14. Qc1 Qg6 15. g3 Nh3+ 16. Kh1 Bg4 17. Re3 e4 18. Ng1 Bf3+ 19. Nxf3 exf3 20. Rxf3 Qg4 21. Kg2 Ne5 22. Bd5 Nxf3 23. Bxf3 Qf5 24. Be3 g5 25. g4 Qxd3 26. Kxh3 f5 27. Kg2 f4 28. Bxf4 gxf4 29. Qxf4 Rf8 30. Qg5+ Kh8 31. Qe5+ Kg8 32. Bd5+ Rf7 33. Bxf7+ Kxf7 34. Qf5+ Qxf5 35. gxf5 Rg8+ 36. Kf1 Kf6 37. Rd1 Kxf5 38. Rd7 b6 39. Rxc7 Rd8 40. Rxa7 Kf4 41. Rxh7 Kf3 42. Rf7+ Kg4 43. f3+ Kh3 44. Rh7# 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.22"]
[Round "2"]
[White "Dijkstra, Daniel"]
[Black "Westerduin, Dennis"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1008"]
[BlackElo "839"]
[PlyCount "49"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 d6 5. Ng5 Be6 6. Nxe6 fxe6 7. Bxe6 Nd4 8. Bc4 c6 9. 0-0 d5 10. Bd3 dxe4 11. Nxe4 Nxe4 12. Bxe4 Be7 13. Qh5+ Kf8 14. c3 Ne6 15. Qxe5 Qd6 16. f4 Qxe5 17. fxe5+ Kg8 18. d4 c5 19. Bd5 h6 20. Bxe6+ Kh7 21. Rf7 Rhe8 22. Bd7 Bf8 23. Bxe8 Rxe8 24. Be3 Kg8 25. Raf1 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.22"]
[Round "4"]
[White "Van der Molen, Hugo"]
[Black "Westerduin, Dennis"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "928"]
[BlackElo "839"]
[PlyCount "122"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. Nf3 Nxe4 5. Qe2 Nf6 6. Qxe7+ Bxe7 7. Bc4 0-0 8. 0-0 d5 9. Bb3 Nc6 10. d3 Re8 11. Re1 Bf5 12. Bg5 h6 13. Bxf6 Bxf6 14. Rxe8+ Rxe8 15. Nc3 Bxc3 16. bxc3 Rd8 17. Re1 b5 18. a4 bxa4 19. Bxa4 Bd7 20. Bxc6 Bxc6 21. Nd4 Re8 22. Rxe8+ Bxe8 23. c4 dxc4 24. dxc4 a5 25. Kf1 a4 26. Ne2 a3 27. Nc3 Kf8 28. Ke2 Bd7 29. Kd2 Ba4 30. Kc1 Bc6 31. f3 Bb7 32. Kb1 Ba6 33. c5 Bf1 34. g3 Bc4 35. f4 g5 36. fxg5 hxg5 37. Ne4 g4 38. Nf6 Be6 39. Nh7+ Kg7 40. Ng5 Kf6 41. Ne4+ Ke5 42. Ng5 Kd5 43. Nxe6 fxe6 44. Ka2 Kxc5 45. Kxa3 Kc4 46. Kb2 e5 47. Kc1 Kc3 48. Kd1 e4 49. Ke2 Kd4 50. c3+ Kxc3 51. Ke3 c5 52. Kxe4 Kd2 53. Kd5 Ke2 54. Kxc5 Kf2 55. Kd5 Kg1 56. Ke5 Kxh2 57. Kf4 Kh3 58. Kg5 Kxg3 59. Kf6 Kf3 60. Kg5 g3 61. Kh4 g2 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.22"]
[Round "5"]
[White "Westerduin, Dennis"]
[Black "Mestrom, Wolf"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "839"]
[BlackElo "833"]
[PlyCount "145"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 d6 4. 0-0 a6 5. Re1 b5 6. Bf1 Nc6 7. d3 Bb7 8. Be3 Nf6 9. g3 Be7 10. Bg2 0-0 11. a3 h6 12. Nc3 Qc7 13. Qe2 Rad8 14. Rad1 Rfe8 15. Qf1 d5 16. exd5 exd5 17. Bf4 Qb6 18. Ne5 Nxe5 19. Bxe5 d4 20. Bxb7 dxc3 21. Bg2 cxb2 22. Bxb2 a5 23. Rb1 b4 24. Bc3 Qc7 25. Be5 Qd7 26. axb4 axb4 27. h3 Nd5 28. Rbc1 Bf6 29. Bxd5 Bxe5 30. Bg2 Bc3 31. Red1 Re7 32. Kh2 Rde8 33. Qh1 Re5 34. Bc6 Qd4 35. Bxe8 Qxf2+ 36. Qg2 Qxg2+ 37. Kxg2 Rxe8 38. Rf1 Bd2 39. Rcd1 Re2+ 40. Rf2 Rxf2+ 41. Kxf2 Bc3 42. Kg2 f5 43. g4 fxg4 44. hxg4 g5 45. Rf1 Kg7 46. Rf5 Bd4 47. Kf3 Kg6 48. Rd5 Kf6 49. Ke4 Bg1 50. Rd6+ Kg7 51. Kf5 Kh7 52. Rd7+ Kg8 53. Kg6 Kf8 54. Kxh6 Be3 55. Rd5 Ke7 56. Rxg5 Bxg5+ 57. Kxg5 Ke6 58. Kh6 Kf6 59. g5+ Kf7 60. Kh7 Ke6 61. g6 Kd5 62. g7 Kd4 63. g8Q Kc3 64. Qc4+ Kb2 65. Qxc5 b3 66. cxb3 Kxb3 67. d4 Kb2 68. d5 Kb3 69. d6 Kb2 70. d7 Kb3 71. d8Q Kb2 72. Qdb6+ Ka2 73. Qca5# 1-0

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.22"]
[Round "1"]
[White "Westerduin, Dennis"]
[Black "Omota, Vlad"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "839"]
[BlackElo "1088"]
[PlyCount "84"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. d3 Nf6 6. Be3 Bg4 7. Bxc5 dxc5 8. Kh1 Nd4 9. Rg1 g6 10. Nbd2 Nh5 11. c3 Nxf3 12. gxf3 Bh3 13. Qe2 Qf6 14. Qe3 b6 15. Bb3 Qf4 16. Qxf4 Nxf4 17. Rg3 Nxd3 18. Kg1 Bd7 19. Bc2 Nxb2 20. Rb1 Na4 21. Nc4 Nxc3 22. Re1 Nxa2 23. Nxe5 Nb4 24. Bb3 f6 25. Nxd7 Kxd7 26. Rd1+ Ke7 27. Kh1 Rad8 28. Ra1 a5 29. Re1 Rd2 30. Rf1 Rb2 31. f4 b5 32. Rfg1 Rxf2 33. f5 a4 34. Be6 c4 35. R1g2 Nd3 36. Bd5 a3 37. fxg6 hxg6 38. Rxf2 Nxf2+ 39. Kg1 Nh3+ 40. Kh1 Nf2+ 41. Kg1 Nd3 42. Rxg6 a2 0-1

[Event "NED-ch U11"]
[Site "Waalwijk"]
[Date "2011.04.22"]
[Round "3"]
[White "Westerduin, Dennis"]
[Black "Platenburg, Jarno"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "839"]
[BlackElo "659"]
[PlyCount "79"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nf3 Nf6 7. 0-0 Bg4 8. Be2 Bc5 9. Nxe5 Nxe5 10. Bxg4 Nexg4 11. h3 Ne5 12. Re1 Bd6 13. f4 0-0 14. fxe5 Bc5+ 15. d4 Bxd4+ 16. Kh1 Ne8 17. Nc3 Qh4 18. Re4 Qg3 19. Qxd4 f6 20. exf6 Nxf6 21. Re3 Qg6 22. Qc4+ Kh8 23. Qxc7 Ne8 24. Qg3 Rf1+ 25. Kh2 Qxg3+ 26. Rxg3 Nf6 27. Rd3 Re8 28. Rd1 Rf2 29. Rd2 Rf5 30. Re2 Rf8 31. Re7 Rh5 32. Kg1 Ng8 33. Rxb7 Rhf5 34. Be3 Nf6 35. Rxa7 Nh5 36. b4 Ng3 37. b5 Rf1+ 38. Rxf1 Rxf1+ 39. Kh2 Nf5 40. Ra8# 1-0

