[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.24"]
[Round "7"]
[White "Van der Nat, Harre"]
[Black "Van den Biggelaar, Don"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "1790"]
[BlackElo "1560"]
[PlyCount "85"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. e3 exd4 4. Qxd4 Nf6 5. cxd5 Qxd5 6. Qxd5 Nxd5 7. a3 Bd6 8. Bd2 0-0 9. Nc3 Be6 10. Nf3 Nc6 11. Bd3 Ne5 12. Be2 Rad8 13. Rd1 Nf6 14. Nxe5 Bxe5 15. 0-0 Bb3 16. f4 Bxc3 17. Bxc3 Bxd1 18. Bxd1 Rfe8 19. Bd4 b6 20. Ba4 Re7 21. b4 Ng4 22. Rf3 Nh6 23. Bc2 c5 24. Bc3 cxb4 25. Bxb4 Rc7 26. Bb3 Rd3 27. e4 Rc1+ 28. Kf2 Ng4+ 29. Kg3 Rxf3+ 30. gxf3 Rg1+ 31. Kh3 Nf2+ 32. Kh4 Nd3 33. Bd6 Nc5 34. Bd5 Ra1 35. e5 g6 36. Kg5 Ne6+ 37. Bxe6 fxe6 38. Kf6 Re1 39. Kxe6 Kg7 40. Ke7 Re3 41. e6 Rxf3 42. Kd7 Re3 43. Be5+ 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.17"]
[Round "6"]
[White "Walraven, Maurice"]
[Black "Van der Nat, Harre"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1507"]
[BlackElo "1790"]
[PlyCount "69"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Nf6 3. e3 Nbd7 4. d4 c6 5. c3 h6 6. Bd3 Qc7 7. e4 e5 8. Qe2 Be7 9. Be3 Rg8 10. Nbd2 Ng4 11. 0-0-0 Nxe3 12. Qxe3 exd4 13. cxd4 b5 14. Kb1 a5 15. Rc1 Qb6 16. Rhe1 Bb7 17. e5 dxe5 18. Nxe5 Nxe5 19. Qxe5 Qd8 20. Bxb5 Rc8 21. Nc4 Kf8 22. Nxa5 Bd6 23. Nxb7 Bxe5 24. Nxd8 Bxf4 25. Bxc6 Rxd8 26. Rcd1 Bxh2 27. b4 g6 28. d5 Bd6 29. b5 Kg7 30. a4 Bc7 31. Re7 Ba5 32. Rd4 Kf6 33. Ra7 Ke5 34. Rh4 Be1 35. Re7+ 1-0

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.10"]
[Round "5"]
[White "Van der Nat, Harre"]
[Black "Wagemans, Ed"]
[Result "0-1"]
[ECO "D61"]
[WhiteElo "1790"]
[BlackElo "1866"]
[PlyCount "118"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. a3 Be7 6. Bg5 0-0 7. e3 Nbd7 8. Qc2 h6 9. Bh4 a6 10. Be2 b5 11. c5 a5 12. 0-0 Nh5 13. Bxe7 Qxe7 14. Rfe1 g6 15. Qd2 f5 16. b4 a4 17. Ne5 Nxe5 18. dxe5 Kh7 19. g3 Ng7 20. Bf3 g5 21. Ne2 Bd7 22. Kf1 Be8 23. Bg2 Qc7 24. f4 Rc8 25. Nd4 Bh5 26. Kf2 Qe7 27. Bf3 Bxf3 28. Kxf3 Qf7 29. Ke2 Qh5+ 30. Kd3 Qh3 31. Rg1 Kg6 32. Rg2 Kf7 33. Rag1 Nh5 34. Kc2 Ke7 35. Qf2 Kd7 36. Nf3 Rg8 37. Rd1 gxf4 38. Ng1 Qg4 39. exf4 Qg6 40. Rd4 Rcf8 41. Nf3 Qf7 42. Kc3 Ng7 43. Kd3 Ne8 44. Ke3 Rg7 45. Ke2 Rfg8 46. Ke3 Qe7 47. Rd2 Nc7 48. Kd4 Rg4 49. Re2 Qg7 50. Re3 Rxf4+ 51. gxf4 Qxg2 52. Qxg2 Rxg2 53. Rd3 Rc2 54. Ke3 Ne8 55. h3 Ra2 56. Nd2 Ng7 57. Kf3 Nh5 58. Nf1 Ra1 59. Nd2 Rh1 0-1

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.06.03"]
[Round "4"]
[White "Bakker, Joop"]
[Black "Van der Nat, Harre"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1882"]
[BlackElo "1790"]
[PlyCount "80"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. Nc3 Nbd7 4. Bf4 c6 5. e4 Qa5 6. Nd2 e5 7. Nc4 Qc7 8. Bg3 b5 9. dxe5 dxe5 10. Nd2 Nc5 11. Bd3 Bg4 12. f3 Be6 13. 0-0 Rd8 14. Qe2 g5 15. Nb3 Nh5 16. Rfd1 Nxg3 17. hxg3 Nxb3 18. axb3 Bc5+ 19. Kf1 h5 20. Na2 h4 21. g4 Qb6 22. b4 Be3 23. b3 Bf4 24. c4 h3 25. c5 hxg2+ 26. Qxg2 Qc7 27. Be2 Rxd1+ 28. Rxd1 Bxb3 29. Ra1 Rh2 30. Qg1 f6 31. Nc1 Ba4 32. Nd3 Qh7 33. Nxf4 gxf4 34. Bd1 Qh3+ 35. Ke1 Rh1 36. Qxh1 Qxh1+ 37. Kd2 Bxd1 38. Rxd1 Qxf3 39. Kc2 Qxe4+ 40. Kb2 Qxb4+ 0-1

[Event "Leiden SB-chB"]
[Site "Leiden"]
[Date "2014.05.20"]
[Round "2"]
[White "Van der Nat, Harre"]
[Black "Molsbergen, Chris"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "1790"]
[BlackElo "1556"]
[PlyCount "49"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. a3 Be7 5. Nf3 0-0 6. Bg5 Nbd7 7. e3 c6 8. Qc2 Qc7 9. Bd3 h6 10. Bh4 dxc4 11. Bxc4 Nb6 12. Ba2 Nfd5 13. Bg3 Qd8 14. Bb1 g6 15. Ne5 Nd7 16. Nxg6 f5 17. Nxf8 Qxf8 18. Ba2 Qg7 19. h4 N7f6 20. Bxd5 cxd5 21. Rh3 Bd7 22. Be5 Qh7 23. f3 Kf7 24. 0-0-0 Rc8 25. h5 1-0

