[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "12"]
[White "Van Leeuwen, Robin"]
[Black "Elferink, Leon"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1446"]
[BlackElo "821"]
[PlyCount "89"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 h6 6. h3 Be7 7. Be3 c6 8. a4 a5 9. 0-0 0-0 10. Qd2 Nh7 11. Rad1 Bg5 12. Nxg5 Nxg5 13. f4 exf4 14. Bxf4 Qe7 15. Rde1 Nb6 16. Bb3 Kh8 17. e5 dxe5 18. Bxe5 Qd7 19. h4 Nh7 20. Qxh6 f6 21. Qh5 Qg4 22. Qxg4 Bxg4 23. Bd6 Rfe8 24. Bf7 Rxe1 25. Rxe1 Nc4 26. Bxc4 Bd7 27. Re7 Rd8 28. Bc7 Re8 29. Rxd7 Nf8 30. Rd8 Rxd8 31. Bxd8 Ng6 32. g3 Nf8 33. g4 Kh7 34. Kf2 Nd7 35. Kf3 Kh6 36. Ne4 b5 37. axb5 cxb5 38. Bxb5 Nf8 39. g5+ fxg5 40. hxg5+ Kg6 41. d5 Kf5 42. Ng3+ Ke5 43. c4 Ng6 44. Ke3 Nh4 45. Bc7# 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.10"]
[Round "13"]
[White "Van Leeuwen, Robin"]
[Black "Pick, Max"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1446"]
[BlackElo "1515"]
[PlyCount "40"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Qc7 7. axb4 Bxb4+ 8. c3 Ba5 9. Bb5 Bd7 10. Qa4 Nge7 11. Ba3 a6 12. Bxc6 Nxc6 13. Bd6 b5 14. Qb3 Qb6 15. 0-0 f6 16. Nbd2 Kf7 17. Bc5 Qb8 18. Rfe1 Bb6 19. Bd6 Bc7 20. Bxc7 Qxc7 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.09"]
[Round "11"]
[White "Van Egmond, Tom"]
[Black "Van Leeuwen, Robin"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "1358"]
[BlackElo "1446"]
[PlyCount "64"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. Bg5 Bg7 7. e3 0-0 8. Be2 d6 9. 0-0 Bd7 10. Bf3 Rc8 11. b3 Qa5 12. Nd5 Nxd5 13. Bxd5 Nxd4 14. exd4 e6 15. Bxb7 Qxg5 16. Bxc8 Rxc8 17. Rc1 d5 18. cxd5 Rxc1 19. Qxc1 Qxd5 20. Qc5 Qxd4 21. Qxd4 Bxd4 22. Rc1 Bb6 23. Kf1 f5 24. a4 Kf7 25. Ra1 a5 26. Rd1 Ke7 27. Ke2 Bc6 28. f3 Bd5 29. Rb1 Bc5 30. Rc1 Kd6 31. Rb1 Bb4 32. Kd3 Ke5 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.08"]
[Round "8"]
[White "Folkers, Sono"]
[Black "Van Leeuwen, Robin"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1035"]
[BlackElo "1446"]
[PlyCount "72"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e3 Be7 6. Bxf6 Bxf6 7. Nf3 Nd7 8. e4 Nb6 9. e5 Be7 10. Nd2 0-0 11. b3 f6 12. Nf3 Nd7 13. exf6 Nxf6 14. Bd3 Bb4 15. Qc2 Ne4 16. Bxe4 dxe4 17. Nd2 Qxd4 18. Ndxe4 e5 19. Rd1 Qb6 20. 0-0 Bf5 21. Qb2 Bg4 22. Na4 Qc7 23. f3 Bf5 24. Ng3 Bg6 25. a3 Be7 26. Rfe1 Bf6 27. Nc5 Rfd8 28. Kh1 e4 29. Qe2 exf3 30. Qxf3 Qb6 31. Nd7 Qa5 32. b4 Qg5 33. Ne4 Bxe4 34. Qxe4 h6 35. Qe6+ Kh8 36. h3 Rg8 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "6"]
[White "Froeyman, Hugo"]
[Black "Van Leeuwen, Robin"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1435"]
[BlackElo "1446"]
[PlyCount "41"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 h6 7. h3 c6 8. a4 Qc7 9. Re1 Nf8 10. Be3 g5 11. dxe5 dxe5 12. Nxe5 Qxe5 13. Bd4 Qc7 14. e5 Nd5 15. e6 f6 16. Qh5+ Kd8 17. Nxd5 cxd5 18. Bb5 Nxe6 19. Rad1 Nf4 20. Qf7 Rf8 21. Qxf8+ 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "7"]
[White "Van Leeuwen, Robin"]
[Black "Ekker, Joshua"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "1446"]
[BlackElo "1281"]
[PlyCount "65"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Nf6 5. d3 Be7 6. Nc3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qf2 Nh5 10. Bxf7+ Kxf7 11. fxe5+ Ke6 12. Qxd4 Bh4+ 13. Kd1 dxe5 14. Qc4+ Ke7 15. Rf1 Rf8 16. Rf5 Rxf5 17. exf5 Kf8 18. Ne4 Qd4 19. Qxd4 exd4 20. g4 Ng3 21. Nc5 Re8 22. Ne6+ Kf7 23. Bf4 Nh1 24. Kd2 Nf2 25. Bxc7 g6 26. Nxd4 gxf5 27. Nxf5 Bg5+ 28. Kc3 Re6 29. Bg3 Rc6+ 30. Kb3 Rb6+ 31. Ka3 Ra6+ 32. Kb4 Rb6+ 33. Ka3 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "5"]
[White "Van Leeuwen, Robin"]
[Black "Schoonenwolf, Jack"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1446"]
[BlackElo "1225"]
[PlyCount "53"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. Bc4 c6 5. 0-0 Bg4 6. d4 e6 7. Be2 Bd6 8. Ne5 Bxe2 9. Qxe2 Nd7 10. f4 Qe7 11. c4 Bxe5 12. fxe5 N5b6 13. b3 0-0-0 14. Qf2 f6 15. Ba3 Qf7 16. Bd6 f5 17. a4 Nb8 18. a5 Na8 19. Nc3 Nc7 20. d5 Ne8 21. Ne4 exd5 22. cxd5 cxd5 23. Rac1+ Nc6 24. Qxa7 dxe4 25. Rxc6+ Kd7 26. Qxb7+ Ke6 27. Bb8+ 1-0

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "4"]
[White "Ganeshram, Nirupa"]
[Black "Van Leeuwen, Robin"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "973"]
[BlackElo "1446"]
[PlyCount "74"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 Nbd7 4. d4 e5 5. Be3 Be7 6. Qd2 c6 7. d5 Qc7 8. Bc4 b5 9. dxc6 bxc4 10. cxd7+ Bxd7 11. Nd5 Nxd5 12. Qxd5 0-0 13. Rd1 Be6 14. Qd2 Rfd8 15. Qc3 f6 16. b3 Rab8 17. bxc4 d5 18. exd5 Bb4 19. Qxb4 Rxb4 20. dxe6 Rxd1+ 21. Kxd1 Rb1+ 22. Bc1 Rb8 23. Re1 Qd6+ 24. Nd2 Qxe6 25. Re3 Qg4+ 26. f3 Qxg2 27. c5 Qg1+ 28. Re1 Qxc5 29. Re3 Qxe3 30. c3 Qxc3 31. a4 Rc8 32. Ke2 Qxc1 33. a5 Rc2 34. f4 Qxd2+ 35. Kf3 Rc3+ 36. Kg4 Qxf4+ 37. Kh5 g6# 0-1

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "3"]
[White "Van Leeuwen, Robin"]
[Black "Waersegers, Brent"]
[Result "1/2-1/2"]
[ECO "C34"]
[WhiteElo "1446"]
[BlackElo "947"]
[PlyCount "96"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 c6 4. d4 d5 5. e5 f6 6. Bxf4 c5 7. c3 Nc6 8. Be2 Bg4 9. 0-0 Qb6 10. exf6 Nxf6 11. Ne5 Bxe2 12. Qxe2 Ne4 13. Nxc6 Qxc6 14. Nd2 Be7 15. Nxe4 dxe4 16. Be5 Bf6 17. Bxf6 gxf6 18. Rae1 cxd4 19. Qxe4+ Qxe4 20. Rxe4+ Kf7 21. Rxd4 Rad8 22. Rfd1 Rde8 23. Rd7+ Re7 24. Kf2 Rg8 25. R1d5 Rg6 26. Kf3 h6 27. g3 b6 28. a4 a5 29. Rxe7+ Kxe7 30. Rb5 f5 31. Rxf5 Ke6 32. Rb5 Rf6+ 33. Ke3 Ke7 34. b4 Rc6 35. Kd3 Rd6+ 36. Kc2 axb4 37. cxb4 Rc6+ 38. Kb3 Kd7 39. a5 bxa5 40. bxa5 Ra6 41. Kb4 Kc6 42. Rc5+ Kd6 43. Kb5 Rxa5+ 44. Kxa5 Kxc5 45. Ka6 Kd5 46. Kb5 Ke4 47. Kc4 Kf3 48. Kd3 h5 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "2"]
[White "Yeh, Nora"]
[Black "Van Leeuwen, Robin"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1161"]
[BlackElo "1446"]
[PlyCount "53"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd7 5. c4 c6 6. Nc3 Be7 7. Bd3 0-0 8. 0-0 Nh5 9. Be5 Nf6 10. Rc1 Bc8 11. Qc2 Nbd7 12. cxd5 exd5 13. Bxf6 Nxf6 14. Ne5 Re8 15. f4 h6 16. Rf3 Be6 17. Rg3 Rc8 18. f5 Bd7 19. Ne2 Bd6 20. Nxd7 Qxd7 21. Rf3 c5 22. dxc5 Bxc5 23. Qd2 Ng4 24. Nd4 Bb6 25. Bb5 Qe7 26. Bxe8 Rxe8 27. Re1 1/2-1/2

[Event "NED-ch U12 op"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "1"]
[White "Van Leeuwen, Robin"]
[Black "Knol, Jeffrey"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1446"]
[BlackElo "843"]
[PlyCount "23"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c5 2. a3 d6 3. b4 b6 4. Bc4 Bb7 5. Nc3 Nd7 6. Bb2 e6 7. d3 Ne7 8. bxc5 Nxc5 9. d4 Nd7 10. Bd3 g6 11. Nb5 d5 12. Nd6# 1-0

