[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.18"]
[Round "9.24"]
[White "Kaewwattha, Natrada"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1411"]
[PlyCount "92"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Thailand II"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "THA"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 a6 7. Nbd2 Be6 8. Nf1 h6 9. Ng3 Qd7 10. 0-0 Ba7 11. Be3 0-0 12. Bxe6 fxe6 13. d4 exd4 14. cxd4 d5 15. e5 Ne4 16. Ne2 Rad8 17. Rc1 Bb6 18. Nd2 Nxd2 19. Qxd2 Qf7 20. Nc3 Nxe5 21. dxe5 d4 22. Bxd4 Rxd4 23. Qe2 Rfd8 24. Rcd1 Rxd1 25. Rxd1 Rxd1+ 26. Qxd1 Qxf2+ 27. Kh1 Qd4 28. Qe1 Qe3 29. Qxe3 Bxe3 30. Ne2 Kf7 31. g4 Kg6 32. Kg2 c5 33. Kf3 Bd2 34. Nf4+ Bxf4 35. Kxf4 h5 36. h4 hxg4 37. Kxg4 b5 38. b3 c4 39. bxc4 bxc4 40. Kf3 Kf5 41. Ke3 Kxe5 42. Kd2 Kd4 43. Kc2 e5 44. Kd2 e4 45. Ke2 c3 46. Kd1 Ke5 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.17"]
[Round "7.22"]
[White "Fan, Wen Xi"]
[Black "Leenen, Boyd"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1163"]
[PlyCount "129"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Hong Kong"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "HKG"]
[BlackTeamCountry "NED"]

1. e4 e5 2. c4 Nf6 3. Nc3 Bb4 4. Nge2 c6 5. g3 d5 6. exd5 cxd5 7. Qa4+ Nc6 8. cxd5 Nxd5 9. Bg2 Be6 10. 0-0 0-0 11. Qb5 Bxc3 12. dxc3 Nb6 13. b3 Rc8 14. Be3 Qc7 15. Rfd1 Nd7 16. Rd2 a6 17. Qd3 Rfd8 18. Rad1 Bg4 19. Qb1 Nf6 20. f3 Be6 21. c4 Rxd2 22. Rxd2 Rd8 23. Qd1 Rd7 24. Rxd7 Qxd7 25. Qxd7 Nxd7 26. f4 Kf8 27. fxe5 Ndxe5 28. Nd4 Bd7 29. Nxc6 Nxc6 30. Bxc6 Bxc6 31. Kf2 Be4 32. a3 Ke8 33. Bd4 f6 34. Ke3 Bc2 35. b4 Bb3 36. c5 Bd5 37. h4 Kd7 38. Kf4 Ke6 39. g4 Bc6 40. g5 Bd7 41. Bc3 Be8 42. Bb2 Kd5 43. gxf6 gxf6 44. Bxf6 Kc4 45. Kg5 Kb3 46. Kh6 Bg6 47. Kg5 Kxa3 48. Bc3 Kb3 49. Be1 Kc4 50. Kf4 Kd5 51. Kg5 Kc6 52. Bd2 b5 53. cxb6 Kxb6 54. Be1 Kb5 55. Bd2 Kc4 56. Be1 Kd3 57. Kf4 Bf7 58. Kg5 Bd5 59. Kf4 Be4 60. Kg5 Bf3 61. Kf4 Bd1 62. Kg5 h5 63. Kf4 Ke2 64. Bc3 Kd3 65. Be1 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.17"]
[Round "8.20"]
[White "Leenen, Boyd"]
[Black "Westerhof, Fleur"]
[Result "0-1"]
[ECO "D37"]
[BlackElo "1793"]
[PlyCount "40"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Netherlands III"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. cxd5 Nxd5 8. Bg3 Qa5 9. Qb3 cxd4 10. Nxd4 Bb4 11. Rc1 Bd7 12. Bc4 Ba4 13. a3 Bxc3+ 14. Qxc3 Nxc3 15. Rxc3 Nc6 16. Ne2 Rad8 17. b3 Bb5 18. 0-0 Bxc4 19. Rxc4 Qxa3 20. Rc3 Qb2 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.16"]
[Round "6.15"]
[White "Peglau, Charis"]
[Black "Leenen, Boyd"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2094"]
[PlyCount "128"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. e3 d5 3. b3 e6 4. Bb2 Be7 5. c4 b6 6. Nc3 Bb7 7. Be2 Nbd7 8. 0-0 0-0 9. d4 c5 10. Rc1 Rc8 11. cxd5 Nxd5 12. Qd2 N7f6 13. Nxd5 Bxd5 14. Rfd1 Rc7 15. Ne5 Qa8 16. Bf3 Rd8 17. Qe2 Rcc8 18. Bxd5 Rxd5 19. Nd3 cxd4 20. Rxc8+ Qxc8 21. Rc1 Qd8 22. Bxd4 h6 23. Qc2 Ba3 24. Rd1 Be7 25. h3 Bc5 26. Bxc5 bxc5 27. Nb2 Qd7 28. Rd3 Kf8 29. Kf1 Ke7 30. Ke2 e5 31. Na4 Qb5 32. Nc3 Qxd3+ 33. Qxd3 Rxd3 34. Kxd3 Kd7 35. f3 Kc6 36. Kc4 a6 37. Ne2 Nd5 38. Kd3 f5 39. a3 Kd6 40. e4 Ne7 41. exf5 Nxf5 42. Nc3 Nh4 43. Ne4+ Kc6 44. Kc4 Nxg2 45. Nxc5 a5 46. Nd3 Ne3+ 47. Kc3 Kd5 48. b4 axb4+ 49. Nxb4+ Kc5 50. Nd3+ Kd5 51. a4 Nc4 52. Nf2 Nd6 53. Ng4 h5 54. Ne3+ Kc5 55. Nc2 g5 56. Ne1 e4 57. Kd2 exf3 58. Nxf3 g4 59. hxg4 hxg4 60. Ne5 g3 61. Ke3 Nc4+ 62. Nxc4 Kxc4 63. Kf3 Kb4 64. Kxg3 Kxa4 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.15"]
[Round "5.21"]
[White "Leenen, Boyd"]
[Black "Wang, Yushin Andrea"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "1186"]
[PlyCount "121"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Chinese Taipei II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "TPE"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Bd3 dxc4 8. Bxc4 Ne4 9. Qc2 Nxg5 10. Nxg5 Qxg5 11. g3 Bb4 12. 0-0-0 Bxc3 13. Qxc3 0-0 14. Be2 e5 15. h4 Qf6 16. f4 exf4 17. gxf4 c5 18. Kb1 cxd4 19. Rxd4 Qc6 20. Qxc6 bxc6 21. Bf3 c5 22. Rd6 Rb8 23. Rhd1 Nb6 24. Rc1 c4 25. Ka1 Bb7 26. Bxb7 Rxb7 27. e4 h6 28. e5 Rc8 29. b3 Rbc7 30. b4 c3 31. f5 Re7 32. e6 Nc4 33. Rd3 Nd2 34. Rxd2 fxe6 35. Re2 e5 36. Re3 Kf7 37. Kb1 Kf6 38. Rf1 c2+ 39. Kc1 Rd7 40. Rg3 Rd1+ 41. Rxd1 cxd1Q+ 42. Kxd1 Rc4 43. Rg6+ Kxf5 44. Rxg7 Rxb4 45. Rxa7 Rxh4 46. a4 Rd4+ 47. Ke2 Rd8 48. Ke3 Re8 49. a5 h5 50. a6 Kg6 51. Rb7 Re6 52. a7 Ra6 53. Ke4 Kf6 54. Rb6+ Rxb6 55. a8Q Re6 56. Qf8+ Kg5 57. Qf5+ Kh4 58. Qxe6 Kg3 59. Qxe5+ Kh4 60. Kf3 Kh3 61. Qg3# 1-0

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.15"]
[Round "4.22"]
[White "Yamada, Misaki"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1462"]
[PlyCount "82"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 b6 7. Nbd2 Bb7 8. Qc2 Nbd7 9. b3 Rc8 10. Bb2 c5 11. e3 dxc4 12. bxc4 Re8 13. Rfe1 cxd4 14. exd4 Bb4 15. Rac1 b5 16. a3 Bxd2 17. Nxd2 Bxg2 18. Kxg2 bxc4 19. Nxc4 Nb6 20. Re3 Rxc4 21. Qxc4 Nxc4 22. Rxc4 Qd5+ 23. Kg1 Qxc4 24. h3 Nd5 25. Re1 Qc2 26. Bc1 Nc3 27. Be3 Rb8 28. d5 Nxd5 29. Bxa7 Rb1 30. Rxb1 Qxb1+ 31. Kg2 Nf4+ 32. gxf4 Qb7+ 33. Kh2 Qxa7 34. Kg3 Qxa3+ 35. Kg2 Qd3 36. f5 exf5 37. h4 Qe4+ 38. Kh3 Qg4+ 39. Kh2 f4 40. h5 f3 41. h6 Qg2# 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.14"]
[Round "2.19"]
[White "Bouzana, Christina"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "1151"]
[PlyCount "54"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Cyprus"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "CYP"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nge2 0-0 6. a3 Bxc3+ 7. Nxc3 b6 8. cxd5 exd5 9. Be2 Bb7 10. 0-0 Re8 11. Bf3 Qd6 12. b4 a6 13. Bb2 Nbd7 14. Qb3 Ne4 15. Nxe4 dxe4 16. Be2 Nf6 17. h3 Nd5 18. Bc3 f5 19. Bd2 Kh8 20. g3 Re6 21. a4 g5 22. Kh2 Rg8 23. Rg1 Rh6 24. Rg2 Rxh3+ 25. Kg1 Qh6 26. f3 Rh1+ 27. Kf2 Rxa1 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.14"]
[Round "3.25"]
[White "Leenen, Boyd"]
[Black "Tsai, Sophie Yi Hsuan"]
[Result "1-0"]
[ECO "E43"]
[BlackElo "1221"]
[PlyCount "104"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Chinese Taipei"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "TPE"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 0-0 6. Be2 Bxc3+ 7. bxc3 c5 8. 0-0 d6 9. Bb2 Bb7 10. Re1 Nbd7 11. Rc1 Re8 12. Bd3 e5 13. Bb1 Ba6 14. Qa4 Bb7 15. Nd2 Ng4 16. h3 Nh6 17. Ne4 Nf6 18. Ng3 Qc7 19. Qc2 e4 20. Red1 a5 21. Ba1 a4 22. a3 Ra5 23. Ba2 Ba6 24. Rb1 d5 25. Qb2 Bxc4 26. Bxc4 dxc4 27. Qxb6 Qxb6 28. Rxb6 cxd4 29. cxd4 Nd5 30. Rb7 f5 31. Rc1 Rc8 32. Bc3 Raa8 33. Rb5 Nc7 34. Rc5 g6 35. Rxc4 Nd5 36. Be1 Nb6 37. Rc6 Rxc6 38. Rxc6 Rb8 39. Bb4 Nf7 40. Ne2 Nd5 41. Rc4 Nxb4 42. Rxb4 Rxb4 43. axb4 a3 44. Nc3 Nd6 45. Kf1 Nb5 46. Na2 Kf7 47. Ke2 Ke6 48. Kd2 Kd5 49. Nc3+ Kc4 50. Na2 Na7 51. Kc2 Nb5 52. d5 Nd6 1-0

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.13"]
[Round "1.2"]
[White "Leenen, Boyd"]
[Black "Lu, Miaoyi"]
[Result "0-1"]
[ECO "D48"]
[BlackElo "2226"]
[PlyCount "56"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "China"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 b5 7. Bd3 Bb7 8. a3 c5 9. dxc5 Bxc5 10. 0-0 0-0 11. Be2 Nbd7 12. b4 Be7 13. Bb2 Qb8 14. Rc1 Rd8 15. Qb3 Ng4 16. h3 Nge5 17. Nxe5 Qxe5 18. g3 Qf5 19. Kh2 Ne5 20. f4 Rd2 21. fxe5 Qd3 22. Rce1 Qxe3 23. Bc1 Bh4 24. Ne4 Rxe2+ 25. Rxe2 Qxe2+ 26. Rf2 Qxe4 27. gxh4 Qh1+ 28. Kg3 Qg1+ 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "5"]
[White "Bollaart, Jeroen"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "C32"]
[WhiteElo "1937"]
[PlyCount "68"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Qxd5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 Nf6 8. Bxf6 gxf6 9. dxe4 Qxe4+ 10. Qe2 f5 11. 0-0-0 Be6 12. Qb5+ Nd7 13. Ne2 a6 14. Qd3 0-0-0 15. Qxe4 fxe4 16. Nd4 Bg4 17. Re1 c5 18. h3 cxd4 19. hxg4 e3 20. Bd3 h6 21. Rh5 Rhg8 22. Be2 Nf6 23. Rxh6 Nxg4 24. Rb6 Nf2 25. Kb1 Kc7 26. Rf6 Rd7 27. Bc4 Rxg2 28. Rxf7 Rxf7 29. Bxf7 Nh3 30. Bd5 Rf2 31. b3 Nxf4 32. Be4 b5 33. Kc1 Ne2+ 34. Kb2 Nc3 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "9"]
[White "Geboers, Jimmy"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1872"]
[PlyCount "117"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 b6 5. g3 Bb7 6. Bg2 Be7 7. 0-0 0-0 8. Ne5 Nbd7 9. cxd5 exd5 10. a3 c6 11. Nxd7 Qxd7 12. b4 Rfe8 13. Bb2 Rad8 14. Qb3 Bf8 15. e3 Ne4 16. Nxe4 dxe4 17. Rac1 Rc8 18. Rfe1 Qd5 19. Qxd5 cxd5 20. Bh3 Rxc1 21. Rxc1 Bd6 22. Kf1 Ba6+ 23. Ke1 Bc4 24. Bf1 b5 25. Be2 Kf8 26. Bc3 Ke7 27. Bd1 Rb8 28. Rb1 a5 29. bxa5 Bxa3 30. Be2 b4 31. Bb2 Ra8 32. Bxc4 dxc4 33. Bxa3 bxa3 34. Kd2 Rxa5 35. Kc3 Ra4 36. h4 f5 37. Rb7+ Kf6 38. Rb6+ Kf7 39. Rb7+ Kg6 40. Rb1 Kh5 41. Ra1 Kg4 42. Ra2 Kf3 43. d5 g6 44. d6 Ra6 45. d7 Rd6 46. Rd2 a2 47. Rxa2 Rxd7 48. Kxc4 Rd1 49. Ra7 Kxf2 50. Rxh7 Kxe3 51. Rg7 Kf3 52. Rxg6 e3 53. Rf6 e2 54. Rxf5+ Kg4 55. Rf4+ Kxg3 56. Re4 e1Q 57. Rxe1 Rxe1 58. h5 Rh1 59. Kd5 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "4"]
[White "Gudok, Viktor V"]
[Black "Leenen, Boyd"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2085"]
[PlyCount "67"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. 0-0 Bg4 7. Nbd2 0-0 8. h3 Bxf3 9. Nxf3 Bd6 10. Qe2 Re8 11. Nh4 Qd7 12. Bg5 Qe6 13. Qf3 Nd7 14. Nf5 f6 15. Bd2 g6 16. Nh6+ Kg7 17. Ng4 f5 18. exf5 Qxf5 19. Qe4 Qxe4 20. dxe4 Nf6 21. Nxf6 Kxf6 22. Bc3 Ke6 23. g3 Rf8 24. Kg2 Rf7 25. Rad1 Raf8 26. Rd3 c5 27. b3 b5 28. Bd2 c4 29. bxc4 bxc4 30. Rd5 Rf3 31. Ra5 R8f7 32. Be3 c5 33. Ra6 Kd7 34. Rd1 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "3"]
[White "Leenen, Boyd"]
[Black "Govoreanu, Matei"]
[Result "1-0"]
[ECO "D15"]
[BlackElo "1938"]
[PlyCount "111"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 dxc4 6. Bxc4 e6 7. 0-0 Bb4 8. a3 Bd6 9. Re1 0-0 10. e4 Bg4 11. e5 Bc7 12. exf6 Qxf6 13. Ne4 Qg6 14. Bd3 Na6 15. Nc5 Qh5 16. h3 Bxh3 17. gxh3 Nxc5 18. dxc5 Qxh3 19. Ne5 Rad8 20. Re3 Qh4 21. Qg4 Qf6 22. Qe4 g6 23. Bc2 Rd5 24. Ng4 Qh4 25. Qg2 Rfd8 26. Re1 Rxc5 27. Bd1 h5 28. Nh2 Rf5 29. Nf3 Qc4 30. Be3 h4 31. Rc1 Qb5 32. Nxh4 Re5 33. Nf3 Rh5 34. Nd4 Rxd4 35. Bxh5 Rh4 36. Be2 Qxb2 37. Rb1 Qxa3 38. Rxb7 Qd6 39. Qg3 Qxg3+ 40. fxg3 Bxg3 41. Bf2 Bxf2+ 42. Kxf2 a5 43. Ra7 a4 44. Ra1 Rh2+ 45. Kf3 g5 46. R7xa4 f5 47. Bc4 Kf7 48. Re1 Rc2 49. Bxe6+ Kf6 50. Bb3 Rc3+ 51. Re3 g4+ 52. Kf4 Rc1 53. Re6+ Kg7 54. Ra7+ Kf8 55. Rf7+ Kxf7 56. Re1+ 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "1"]
[White "Leenen, Boyd"]
[Black "Hendriks, Tobias"]
[Result "0-1"]
[ECO "E51"]
[BlackElo "2096"]
[PlyCount "144"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 0-0 6. a3 Bxc3+ 7. bxc3 d5 8. Be2 Qc7 9. cxd5 exd5 10. 0-0 c4 11. Ne5 Nc6 12. f4 Ne4 13. Qc2 f6 14. Nxc4 Bf5 15. Bd3 Ne7 16. Bb2 Rac8 17. Rac1 Nd6 18. Nxd6 Bxd3 19. Qxd3 Qxd6 20. c4 Qa6 21. Rf2 dxc4 22. Qe4 Rfe8 23. Rfc2 b5 24. g4 Rcd8 25. Qf3 f5 26. Re1 Qg6 27. Rg2 Nd5 28. gxf5 Qxf5 29. Rg5 Qe4 30. Qxe4 Rxe4 31. Kf2 h6 32. Rg6 Rde8 33. Reg1 R8e7 34. Bc1 a5 35. f5 Kf8 36. R1g3 Nf6 37. Bd2 Rh4 38. Bxa5 Ne4+ 39. Kf3 Nxg3 40. hxg3 Rh5 41. Kg4 Rg5+ 42. Rxg5 hxg5 43. Bb4 c3 44. Bxc3 Rxe3 45. Bb4+ Kf7 46. d5 Rd3 47. d6 Kf6 48. Bc5 Rd5 49. Bb4 Rd4+ 50. Kf3 Kxf5 51. g4+ Ke6 52. Kg3 Rd3+ 53. Kf2 g6 54. Bc5 Rd5 55. Bb4 Rd4 56. Kf3 Rf4+ 57. Kg3 Rf7 58. Kg2 Kd5 59. Kg3 Ke4 60. Bc5 Rf3+ 61. Kg2 Rd3 62. Bb4 Kf4 63. Kf2 Kxg4 64. Ke2 Rd5 65. Ke3 Kf5 66. Kf3 g4+ 67. Kg2 Kf4 68. Kf1 Kf3 69. Kg1 g3 70. Kf1 g2+ 71. Kg1 Rd1+ 72. Kh2 Rh1# 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "6"]
[White "Leenen, Boyd"]
[Black "Hoornstra, Hans"]
[Result "1-0"]
[ECO "D15"]
[BlackElo "2083"]
[PlyCount "71"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5 6. cxd5 cxd5 7. Bd3 Bxd3 8. Qxd3 Nc6 9. 0-0 e6 10. Re1 Be7 11. Bd2 0-0 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bf6 15. Bc3 Rb8 16. Rad1 Ne7 17. Ne5 Qd5 18. Qxd5 Nxd5 19. Nd7 Rfd8 20. Nxb8 Rxb8 21. Rd3 h6 22. g3 b5 23. a3 Rc8 24. f4 Bd8 25. Rc1 Bb6 26. Bd2 Rd8 27. Rc6 Kh7 28. Kf2 Kg6 29. Be3 h5 30. h3 Kf6 31. Kf3 g6 32. g4 hxg4+ 33. hxg4 Rd7 34. Rd1 a5 35. Bf2 Rd8 36. Bh4+ 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "8"]
[White "Leenen, Boyd"]
[Black "Ouwens, Bert"]
[Result "1/2-1/2"]
[ECO "D94"]
[BlackElo "1927"]
[PlyCount "78"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. Bd3 c5 8. 0-0 Nc6 9. Be4 Nxc3 10. bxc3 cxd4 11. cxd4 Qc7 12. Bb2 e6 13. Rc1 Bd7 14. Qb3 Rab8 15. Rc2 Rfc8 16. Rfc1 Qd8 17. Ba3 Bf8 18. Bxf8 Qxf8 19. Bxc6 Bxc6 20. Ne5 Bd5 21. Qb2 Qd8 22. f3 f6 23. Nd3 b6 24. Nb4 Qd7 25. Nxd5 exd5 26. Qb3 Rxc2 27. Qxc2 Kf7 28. Kf2 Rd8 29. Qb3 f5 30. Rc3 Ke6 31. Qc2 Qb5 32. Rc6+ Rd6 33. Rc8 Rd7 34. a4 Qb4 35. Qc6+ Qd6 36. Qc3 Qxh2 37. Re8+ Kd6 38. Qb4+ Kc7 39. a5 Qd6 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2023.06.10"]
[Round "7"]
[White "Van Roon, Sjoerd"]
[Black "Leenen, Boyd"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2237"]
[PlyCount "87"]
[EventDate "2023.06.10"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. h4 h6 10. Qh5 Qf6 11. Ne4 Qe6 12. Nbc3 Nf4 13. Qf3 Be7 14. Ng3 Nxd3+ 15. Qxd3 0-0 16. b3 Nb7 17. Bb2 Nc5 18. Qe2 Ba6 19. d3 f5 20. 0-0-0 Bf6 21. Qh5 Be7 22. Rhe1 Qf6 23. Nb1 Nd7 24. Nd2 Bd6 25. f4 Rae8 26. Kb1 Kh7 27. Nc4 Bxc4 28. dxc4 g6 29. Qe2 Qe6 30. fxe5 Bxe5 31. h5 Rf7 32. hxg6+ Kxg6 33. Qh5+ Kh7 34. Rxd7 Qxd7 35. Rxe5 Rxe5 36. Bxe5 f4 37. Ne4 Rf5 38. Nf6+ Rxf6 39. Bxf6 Qe6 40. Qe5 Qg4 41. Qe4+ Kg8 42. Qe8+ Kh7 43. Qf7+ Qg7 44. Qxg7# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.07"]
[Round "8"]
[White "Leenen, Boyd"]
[Black "Van Borren, Ruben"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "618"]
[BlackElo "334"]
[PlyCount "85"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 d6 6. Be3 Be6 7. Bb5 a6 8. Bxc6+ bxc6 9. Bxc5 0-0 10. Be3 Rb8 11. b3 Bg4 12. h3 Bxf3 13. Qxf3 Qe7 14. 0-0 Qe6 15. Qf5 Qxf5 16. exf5 Nd5 17. Nxd5 cxd5 18. c4 dxc4 19. dxc4 c6 20. Rfd1 d5 21. cxd5 cxd5 22. Rxd5 Rbd8 23. Rxe5 f6 24. Ra5 Rd6 25. Bc5 Rd5 26. Bxf8 Rxa5 27. Bb4 Rd5 28. g4 a5 29. Bc3 Rd3 30. Bxa5 Rg3+ 31. fxg3 g6 32. fxg6 Kg7 33. gxh7 Kxh7 34. Rc1 Kg6 35. b4 Kf7 36. b5 Kg6 37. b6 Kg5 38. b7 Kh6 39. b8Q Kg6 40. Qb3 Kg7 41. Rc7+ Kg6 42. Qg8+ Kh6 43. Rh7# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "4"]
[White "Leenen, Boyd"]
[Black "Thijssen, Freek"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "618"]
[BlackElo "702"]
[PlyCount "132"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. d3 h6 6. Be3 Bb4 7. Qd2 0-0 8. 0-0 d6 9. Rfe1 d5 10. exd5 Nd4 11. Nxe5 Nf5 12. Nf3 Re8 13. a3 Ba5 14. b4 Bb6 15. Bxb6 axb6 16. Rxe8+ Qxe8 17. Re1 Qd8 18. Qf4 Rxa3 19. Qd2 Qd6 20. Rb1 Ng4 21. Nb5 Qe7 22. Nxa3 c6 23. Qf4 Nf6 24. Ra1 Nxd5 25. Bxd5 cxd5 26. Qe5 Qd8 27. Re1 Bd7 28. Qxd5 Ne7 29. Qd6 Nf5 30. Qd5 Ne7 31. Qd4 Nf5 32. Qe4 Qa8 33. Ra1 b5 34. Qd5 Be6 35. Qxb5 Kh8 36. Qe5 Kg8 37. Nb5 Qe8 38. Nc7 Qe7 39. Nxe6 fxe6 40. g4 Nd6 41. Nd4 Kf7 42. Re1 Kf8 43. Qxe6 Qxe6 44. Rxe6 Nf7 45. Rb6 Nd8 46. Ne6+ Nxe6 47. Rxe6 Kf7 48. Rb6 Ke7 49. Rxb7+ Kd6 50. Rxg7 Ke5 51. Rh7 Kf4 52. Rxh6 Kxg4 53. b5 Kg5 54. b6 Kxh6 55. b7 Kg5 56. b8Q Kg6 57. Kg2 Kf5 58. Qb4 Ke5 59. Qc4 Kf5 60. Qd4 Kg5 61. Qe4 Kf6 62. Qd5 Kg6 63. Qe5 Kf7 64. Qd6 Kg7 65. Qe6 Kh7 66. Qf6 Kg8 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "5"]
[White "Rudolph, Simon"]
[Black "Leenen, Boyd"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "464"]
[BlackElo "618"]
[PlyCount "57"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 d6 4. e3 Nc6 5. Be2 Bf5 6. Nf3 Bg4 7. 0-0 Bxf3 8. Bxf3 Be7 9. Qa4 Qd7 10. h3 0-0-0 11. Bg4 Nxg4 12. hxg4 Qxg4 13. Nd5 Bh4 14. Nf4 exf4 15. exf4 Qf5 16. d4 Nxd4 17. Be3 Nc6 18. Rad1 Rde8 19. g3 Bf6 20. Bxa7 b5 21. Qa6+ Kd7 22. cxb5 Nxa7 23. Qxa7 Ra8 24. Qb7 Rhb8 25. Qc6+ Kd8 26. Rde1 Be7 27. Re2 Qd3 28. Rfe1 Bf6 29. Re8# 1-0

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.06"]
[Round "3"]
[White "Zhang, Yourui Eric"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "447"]
[BlackElo "618"]
[PlyCount "56"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 h6 4. 0-0 Nf6 5. d3 a6 6. Nc3 Nc6 7. Be3 Be6 8. Bxe6 fxe6 9. b3 Be7 10. Ne2 Qd7 11. d4 exd4 12. Nfxd4 Nxe4 13. Nxc6 Qxc6 14. Qd4 e5 15. Qd2 Nxd2 16. Bxd2 Qxc2 17. Rfd1 0-0 18. Rac1 Qxa2 19. Rxc7 Qxb3 20. Rdc1 Bd8 21. Rxb7 Qxb7 22. Rc3 Qa7 23. Rg3 Qxf2+ 24. Kh1 Qf1+ 25. Ng1 Qxg1+ 26. Kxg1 Rb8 27. Bxh6 Rb1+ 28. Bc1 Rxc1# 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "1"]
[White "Drenthen, Abel"]
[Black "Leenen, Boyd"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "304"]
[BlackElo "618"]
[PlyCount "98"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. Nc3 a6 6. Re1 b5 7. Bb3 Bc5 8. d3 d6 9. Be3 Bb4 10. a3 Bxc3 11. bxc3 Be6 12. Bxe6 fxe6 13. c4 bxc4 14. dxc4 Nxe4 15. Bg5 Nxg5 16. Nxg5 Qxg5 17. h3 Rf8 18. Re4 Qf5 19. Qf3 Qxf3 20. gxf3 Rxf3 21. Kg2 Rc3 22. Rc1 Rxa3 23. Rg4 g5 24. h4 gxh4 25. Rxh4 0-0-0 26. Rh3 Kd7 27. Rxh6 Ne7 28. Rh7 Rc3 29. Rd1 Rxc4 30. Rg7 Re8 31. Rc1 Rg8 32. Rxg8 Nxg8 33. Rg1 Rg4+ 34. Kh2 Rxg1 35. Kxg1 Nf6 36. f3 c5 37. c4 a5 38. f4 a4 39. fxe5 dxe5 40. Kf1 e4 41. Ke1 a3 42. Kd1 e3 43. Kc1 e2 44. Kd2 a2 45. Kxe2 a1Q 46. Kd3 Qd4+ 47. Kc2 Ne4 48. Kb3 Qc3+ 49. Ka4 Qb4# 0-1

[Event "NED-ch op-A"]
[Site "Borne"]
[Date "2019.08.05"]
[Round "2"]
[White "Leenen, Boyd"]
[Black "Barbier, Sarah"]
[Result "1/2-1/2"]
[ECO "C23"]
[WhiteElo "618"]
[BlackElo "386"]
[PlyCount "38"]
[EventDate "2019.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. Bc4 a5 4. Nxe5 Qe7 5. d4 Ba7 6. Nc3 Nf6 7. Qd3 Nc6 8. Nf3 Ng4 9. h3 Nh6 10. Bxh6 gxh6 11. d5 Qc5 12. dxc6 Qxf2+ 13. Kd1 Be3 14. Qe2 Qh4 15. Nxh4 Bg5 16. cxb7 Bxb7 17. Bd5 Bxd5 18. Nxd5 0-0-0 19. Nf5 Rhe8 1/2-1/2

