[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.30"]
[Round "9"]
[White "Slagboom, Leandro"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2304"]
[BlackElo "2550"]
[PlyCount "20"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Qd3 Be7 7. Nxc6 bxc6 8. e5 Nd5 9. Qg3 g6 10. Bd2 Rb8 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.29"]
[Round "8"]
[White "Lambrechts, Koen"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C22"]
[WhiteElo "2290"]
[BlackElo "2304"]
[PlyCount "37"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Bd2 Bb4 6. Bb5 0-0 7. Ne2 Re8 8. Bxc6 Bxd2+ 9. Nxd2 bxc6 10. 0-0 d5 11. f3 Qe7 12. Ng3 Qb4 13. Nb3 Qb6 14. Rfe1 dxe4 15. Nxe4 Nxe4 16. fxe4 Be6 17. Rad1 Rad8 18. Kf2 h6 19. h3 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.28"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Van Foreest, Machteld"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2304"]
[BlackElo "2344"]
[PlyCount "45"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be2 cxd4 6. cxd4 Bf5 7. Nc3 e6 8. Be3 Rc8 9. Rc1 Bb4 10. a3 Bxc3+ 11. Rxc3 Nge7 12. Nf3 0-0 13. 0-0 Qd7 14. Qd2 Nb8 15. Rfc1 Rxc3 16. Rxc3 Rc8 17. Bg5 Nbc6 18. Bb5 Be4 19. Bxe7 Qxe7 20. Bxc6 Rxc6 21. Rxc6 bxc6 22. Qc3 Bxf3 23. gxf3 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.27"]
[Round "6"]
[White "Adamovics, Aleksejs"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2015"]
[BlackElo "2304"]
[PlyCount "110"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be6 7. Bd3 Nbd7 8. Nge2 h6 9. Bh4 g5 10. Bg3 Nh5 11. 0-0 Nxg3 12. Nxg3 h5 13. e4 dxe4 14. Ngxe4 Qe7 15. Qd2 Bh6 16. Rad1 0-0-0 17. b4 Nb6 18. b5 Rxd4 19. bxc6 Rhd8 20. cxb7+ Kxb7 21. Qe2 g4 22. Nb5 R4d7 23. Qc2 Bf8 24. a4 a5 25. Rfe1 Nd5 26. Nec3 Nb4 27. Be4+ Kb6 28. Qe2 Rxd1 29. Rxd1 Rxd1+ 30. Qxd1 Qd7 31. Qe2 Bc5 32. g3 Nc6 33. Bxc6 Qxc6 34. Qe5 Kb7 35. Ne4 Bb6 36. Ned6+ Ka6 37. Qe1 Bc5 38. Ne4 Bb6 39. Ned6 Bc5 40. Ne4 Bd5 41. Nbc3 Bb4 42. Qe2+ Qc4 43. Qe3 Bc6 44. Nb5 Bxb5 45. axb5+ Qxb5 46. Qc1 Kb7 47. Qf4 Qd5 48. Ng5 Bd2 49. Qxf7+ Qxf7 50. Nxf7 Kc6 51. Ne5+ Kb5 52. Nf7 a4 53. Nd6+ Kb4 54. Nf5 Bc3 55. Ne3 Kb3 0-1

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.26"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Lahaye, Rick"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2304"]
[BlackElo "2439"]
[PlyCount "84"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. a4 Na6 11. 0-0-0 Nb4 12. g4 Be6 13. Kb1 Rc8 14. g5 Nh5 15. Rg1 Qc7 16. Qf2 Bd8 17. Rd2 f5 18. Nb5 Qe7 19. Nxd6 Rxc2 20. Rxc2 Qxd6 21. Rd2 Qc7 22. Nc1 fxe4 23. Qh4 exf3 24. Qxh5 f2 25. Bxf2 Bf5+ 26. Bd3 e4 27. Qd1 exd3 28. Qb3+ Kh8 29. Bd4 Qd7 30. Bc3 Nd5 31. Rgd1 Bxg5 32. Rxd3 Nxc3+ 33. Qxc3 Bxc1 34. Kxc1 Bxd3 35. Qxd3 Qxa4 36. Kb1 Qf4 37. h3 h6 38. Qb3 Qf7 39. Qa3 b6 40. Ka1 Qf3 41. Qd6 Rf4 42. Qd7 Qb3 0-1

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.24"]
[Round "4"]
[White "Van Batenburg, Mees"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2109"]
[BlackElo "2304"]
[PlyCount "68"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 g6 8. a4 Qa5 9. Bd2 Bd7 10. h4 h6 11. Qf4 Nge7 12. dxc5 Qxc5 13. Ne2 0-0-0 14. Nd4 a6 15. Qe3 Qa5 16. f4 g5 17. g3 gxf4 18. gxf4 h5 19. Nb3 Qc7 20. Nc5 d4 21. Qf2 Nxe5 22. Nxa6 Qc6 23. Bg2 Qxa6 24. fxe5 Bc6 25. Rh3 Nf5 26. Bf1 Qb6 27. a5 Qb2 28. Rc1 Rd5 29. c4 Rxe5+ 30. Kd1 Ne3+ 31. Bxe3 dxe3 32. Qe1 Rd8+ 33. Bd3 Rxd3+ 34. cxd3 e2+ 0-1

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.23"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Keuning, Selwin"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2304"]
[BlackElo "2139"]
[PlyCount "141"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. Bxc6 dxc6 7. d3 0-0 8. h3 Nd7 9. Nbd2 e5 10. a4 b6 11. a5 Ba6 12. b3 Qe7 13. Qe2 Rfd8 14. Bb2 f6 15. Nh2 Nf8 16. axb6 axb6 17. Nc4 Qc7 18. Ng4 Ne6 19. Bc3 Nd4 20. Qd2 h5 21. Nge3 Bh6 22. Qd1 Bb7 23. Qb1 Rxa1 24. Bxa1 b5 25. Nd2 Qa5 26. c3 Ne6 27. Nf3 Qa7 28. Rd1 Bg7 29. Bb2 Ra8 30. Qc2 Rd8 31. Rd2 Kh7 32. Qd1 Bc8 33. Kh2 Qc7 34. g3 Rd6 35. Qf1 Qd8 36. Rd1 Rd7 37. Nh4 Bh6 38. Nhg2 Ra7 39. h4 Qd7 40. Rd2 Qd8 41. Qd1 Rd7 42. Qe2 Qc7 43. Ne1 Qa5 44. Qd1 Qd8 45. Nf3 Rd6 46. Kg1 Rd7 47. Qc2 Rd6 48. Rd1 Bg7 49. Kf1 Bh6 50. Ke2 Rd7 51. Ra1 Qb6 52. Rf1 Qc7 53. Rd1 Qd8 54. Bc1 Bg7 55. Qa2 Qb6 56. Ng2 Ra7 57. Qb1 Rd7 58. Be3 b4 59. cxb4 Qxb4 60. Nd2 Ba6 61. Ne1 Nd4+ 62. Bxd4 cxd4 63. Qc2 Rc7 64. Rb1 Bh6 65. Nc4 Bc8 66. Kf1 Be6 67. Qa2 Qb8 68. b4 Bf8 69. Nc2 Ra7 70. Qb3 Qb5 71. N2a3 1/2-1/2

[Event "Groningen op 59th"]
[Site "Groningen"]
[Date "2023.12.22"]
[Round "2"]
[White "Beerdsen, Thomas"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2511"]
[BlackElo "2304"]
[PlyCount "49"]
[EventDate "2023.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 h6 5. Bxf6 Qxf6 6. a3 c6 7. Nf3 Nd7 8. Bd3 g5 9. exd5 exd5 10. 0-0 Nb6 11. Ne5 Be6 12. f4 gxf4 13. Ne2 Bd6 14. Nxf4 Bxe5 15. Nxe6 Qxe6 16. dxe5 Nd7 17. Bf5 Qe7 18. Bxd7+ Kxd7 19. c4 Qc5+ 20. Kh1 Rhf8 21. Rc1 d4 22. Rf5 Kc7 23. b4 Qe7 24. Qxd4 a5 25. b5 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.28"]
[Round "9"]
[White "Slagboom, Leandro"]
[Black "Kiran, Manisha Mohanty"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2305"]
[BlackElo "2034"]
[PlyCount "61"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 a5 9. Bb5 0-0 10. Qd2 Na7 11. Bxa7 Rxa7 12. a4 Be6 13. 0-0-0 Ra8 14. Kb1 Qc8 15. g4 Rd8 16. Qf2 Qc7 17. h4 h5 18. g5 Nh7 19. f4 exf4 20. Qxf4 Nf8 21. Nd4 Ng6 22. Nxe6 fxe6 23. Qf3 Rac8 24. Rhf1 Rf8 25. Qxh5 Nf4 26. Qg4 d5 27. exd5 Bb4 28. Rf3 exd5 29. Rd4 Bd6 30. Bd7 Qb6 31. Rdxf4 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.27"]
[Round "8"]
[White "Maris, Ivo"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2404"]
[BlackElo "2305"]
[PlyCount "90"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e3 d5 2. Nf3 e6 3. b3 Nf6 4. Bb2 c5 5. Bb5+ Bd7 6. a4 a6 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. d3 0-0 10. Re1 b5 11. e4 d4 12. e5 Nd5 13. Nbd2 Qc7 14. a5 Nb4 15. Nf1 Nc6 16. Qe2 Nxa5 17. Ng3 Nc6 18. Qe4 Rfe8 19. Bc1 a5 20. h4 a4 21. Bg5 Bxg5 22. hxg5 axb3 23. Rxa8 Rxa8 24. cxb3 Ra3 25. Nh5 Nf8 26. Rc1 Qb6 27. Nh2 Nb4 28. Ng4 Qd8 29. f4 Qe7 30. Kh2 Na2 31. Rh1 Nc3 32. Qf3 Rxb3 33. Qa8 Nd5 34. Ra1 b4 35. Ra7 Ra3 36. Rxa3 bxa3 37. Qxa3 Nxf4 38. Nxf4 Qxg5 39. Kg3 h5 40. Nxh5 Qxh5 41. Qxc5 f5 42. Nf2 g5 43. Nh3 Qh4+ 44. Kh2 g4 45. Qxd4 g3+ 0-1

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.26"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Fehr, Axel"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2305"]
[BlackElo "2011"]
[PlyCount "97"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. f4 Qc7 9. g4 exf4 10. Bxf4 Nc6 11. g5 Nd7 12. Qd2 Be7 13. 0-0-0 Nce5 14. Nd4 g6 15. Qe3 0-0-0 16. Nxe6 fxe6 17. Qh3 Rde8 18. Kb1 Kb8 19. Bxe5 Nxe5 20. Qxe6 Bxg5 21. Qb3 Ka7 22. Rd4 Rc8 23. Rhd1 Rhd8 24. Ra4 Qb6 25. Rb4 Qc6 26. Qa3 Ka8 27. Qb3 Rd7 28. Nd5 Bd8 29. a3 Ka7 30. c3 Ba5 31. Ra4 Bd8 32. Bb5 Qc5 33. Bxd7 Nxd7 34. Rad4 Ne5 35. Nf4 Bb6 36. Ka2 Nc4 37. Nd5 Bd8 38. Rf1 Na5 39. Qb4 Qc6 40. Rf8 b6 41. Rf7+ Ka8 42. Rxh7 b5 43. Ne7 Bxe7 44. Rxe7 Nc4 45. Qb3 Rh8 46. Qc2 Qc5 47. Qf2 Ne5 48. Qf6 Rd8 49. Rxe5 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.25"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Zwirs, Nico"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2305"]
[BlackElo "2451"]
[PlyCount "58"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. a4 Na6 11. g4 Nb4 12. g5 Nh5 13. Nb5 Be6 14. c4 f5 15. 0-0-0 fxe4 16. Nxd6 Nd3+ 17. Bxd3 exd3 18. Nxb7 Qc7 19. N7c5 Bxc4 20. Kb1 Rxf3 21. Rc1 Bxb3 22. Nxb3 Qd7 23. Rc4 Bb4 24. Qg2 Raf8 25. Bc5 Bxc5 26. Rxc5 e4 27. Rxa5 e3 28. Ra8 Rxa8 29. Qxf3 Qxa4 0-1

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.25"]
[Round "6"]
[White "Swati, Ghate"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1995"]
[BlackElo "2305"]
[PlyCount "141"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. 0-0 Ng6 8. Be3 Be7 9. Nbd2 0-0 10. Bd3 cxd4 11. cxd4 Nb4 12. Be2 Rc8 13. Ne1 f6 14. exf6 gxf6 15. a3 Nc6 16. Nb3 b6 17. Rc1 Bd6 18. g3 Nce7 19. Rxc8 Qxc8 20. Ng2 Kh8 21. Nc1 Qe8 22. Nd3 Qf7 23. Bg4 Bb5 24. Re1 e5 25. Nc1 Nc6 26. Ne2 f5 27. Nc3 Bc4 28. dxe5 Bxe5 29. Bf3 Rd8 30. Bg5 Rd6 31. h4 d4 32. Nb1 Bd5 33. h5 Nf8 34. Nd2 d3 35. Bxd5 Qxd5 36. Ne3 Qf7 37. Ndc4 Rd4 38. b3 Ne6 39. Qf3 Re4 40. Bh4 Bc3 41. Rd1 Ned4 42. Qh1 Qd7 43. b4 Kg8 44. Kf1 Nc2 45. Qf3 Nxe3+ 46. Nxe3 Nd4 47. Rxd3 Qb5 48. Qd1 f4 49. gxf4 Rxf4 50. Bg3 Re4 51. Kg2 Qc6 52. f3 Re8 53. Rxd4 Rxe3 54. Rd8+ Kg7 55. Rd7+ Kf8 56. Rc7 Qf6 57. Rc8+ Kf7 58. Rc7+ Kf8 59. Qd5 Re6 60. Qa8+ Re8 61. Rc8 Rxc8 62. Qxc8+ Kg7 63. Qc7+ Kg8 64. Qxa7 Bd4 65. Qb8+ Kg7 66. Qc7+ Kg8 67. a4 Bc3 68. a5 bxa5 69. bxa5 Qd4 70. a6 Qd2+ 71. Bf2 1-0

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.24"]
[Round "4"]
[White "Kett, Timothy"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2130"]
[BlackElo "2305"]
[PlyCount "74"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 g6 8. Nf3 Qa5 9. Bd2 Qa4 10. Bd3 c4 11. Be2 Bd7 12. Ra2 0-0-0 13. Bg5 Re8 14. Qf4 h6 15. Bf6 g5 16. Qe3 Rh7 17. g4 Qa5 18. h4 Nxf6 19. exf6 e5 20. Nxe5 gxh4 21. f4 Qd8 22. Kd2 Qxf6 23. Raa1 Qd8 24. Qf3 Qa5 25. Nxc6 Bxc6 26. Rxh4 Re4 27. Qf2 Bd7 28. f5 f6 29. Bf3 Re8 30. Re1 Rxe1 31. Qxe1 Qxa3 32. Bxd5 Qd6 33. Be6 Re7 34. d5 Bxe6 35. fxe6 Qxd5+ 36. Kc1 Rxe6 37. Qh1 Qg5+ 0-1

[Event "Hoogeveen op 26th"]
[Site "Hoogeveen"]
[Date "2023.10.23"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Arnold, Rhys"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2305"]
[BlackElo "2087"]
[PlyCount "151"]
[EventDate "2023.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bc5 7. Ng3 0-0 8. Bd3 d6 9. Na4 Bb4+ 10. c3 Ba5 11. 0-0 Bg4 12. f3 Be6 13. Qe2 a6 14. b4 Bc7 15. Rd1 a5 16. b5 Nb8 17. c4 Nbd7 18. Be3 b6 19. Nc3 Nc5 20. Bc2 Qe8 21. h3 Rc8 22. f4 Bb8 23. Rac1 exf4 24. Bxf4 Bxc4 25. Qf3 Qe6 26. Nd5 Nfd7 27. Nf5 Bxd5 28. Qg4 g6 29. exd5 Qe8 30. Bh6 Ne5 31. Qh4 f6 32. Bxf8 Qxf8 33. Nd4 Bc7 34. Nc6 Bd8 35. Qd4 Qh6 36. Rf1 Qg5 37. Rce1 Kg7 38. Kh1 Qh6 39. Re2 f5 40. Nxd8 Rxd8 41. Rxe5 dxe5 42. Qxe5+ Kg8 43. Qf6 Qf8 44. Qxb6 Rxd5 45. Qxa5 Qd6 46. b6 Kg7 47. Qa7+ Kh6 48. b7 Nd7 49. Qe3+ Kg7 50. Re1 Ne5 51. Rb1 Nd7 52. Ba4 Rd3 53. Qe2 Nb8 54. Rd1 Rxd1+ 55. Bxd1 g5 56. Bc2 Kf6 57. Qe8 h6 58. Bb3 f4 59. Qh8+ Ke7 60. Qc8 Qe5 61. Qg4 Kd6 62. Qf3 Kc7 63. Bd5 Na6 64. Qe4 Qd6 65. Qc4+ Kb6 66. a4 Qe7 67. Qc6+ Ka7 68. b8Q+ Nxb8 69. Qa8+ Kb6 70. Qxb8+ Kc5 71. Qb5+ Kd4 72. Qc4+ Ke3 73. a5 Kf2 74. Kh2 f3 75. Qd4+ Ke1 76. Bxf3 1-0

[Event "NED-chT 2324"]
[Site "Netherlands"]
[Date "2023.09.16"]
[Round "1.3"]
[White "Strating, Sybolt"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2316"]
[BlackElo "2305"]
[PlyCount "135"]
[EventDate "2023.09.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Amstelveen Zukertort"]
[BlackTeam "Groningen Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Qa4+ Nc6 6. Bd2 0-0 7. Nf3 dxc4 8. Bxc4 a6 9. Qc2 Bd6 10. 0-0 b5 11. Be2 Bb7 12. a4 b4 13. Ne4 Nxe4 14. Qxe4 Na5 15. Qg4 Qe8 16. Qh5 Nb3 17. Rad1 Qxa4 18. Ng5 h6 19. Bd3 Nxd2 20. Rxd2 Qe8 21. Bh7+ Kh8 22. h4 Be7 23. Bd3 Bd6 24. Ra1 a5 25. Bb5 Qe7 26. Nf3 Rfd8 27. Rc2 Kg8 28. Nd2 e5 29. Nb3 Qe6 30. Bc4 Bd5 31. Bxd5 Qxd5 32. Nc5 a4 33. e4 Qxd4 34. Rd1 Bxc5 35. Rxd4 Bxd4 36. Rxc7 Rf8 37. Qe2 a3 38. bxa3 bxa3 39. Qa2 h5 40. Kh2 Bb2 41. f3 Ra6 42. Rb7 Bd4 43. Rd7 Raa8 44. Rb7 Kh7 45. Rd7 Be3 46. Rd3 Bc1 47. Rc3 Bb2 48. Rc7 Kh6 49. Rc6+ f6 50. Rc7 Ra5 51. Rb7 Bd4 52. Rc7 Bb6 53. Rb7 Be3 54. Kh3 Kg6 55. Rb3 Bc1 56. Rb7 Bh6 57. Rc7 Ra6 58. Rc3 Rfa8 59. Rc7 Kh7 60. Rc3 R6a7 61. Rd3 Bc1 62. Rc3 Bb2 63. Rb3 Bd4 64. Rb5 Rc7 65. Rb1 Bb2 66. Rd1 Bd4 67. Rb1 Bb2 68. Rd1 1/2-1/2

[Event "Titled Tuesday intern op 12th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "1"]
[White "Banzea, Alexandru Bogdan"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2394"]
[BlackElo "2305"]
[PlyCount "103"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e3 a6 5. dxc5 Nc6 6. a3 e5 7. Bg5 Be6 8. b4 Be7 9. Nf3 0-0 10. Be2 d4 11. exd4 exd4 12. Na4 Ne4 13. Bxe7 Qxe7 14. 0-0 Rad8 15. Bd3 Ng5 16. Nxg5 Qxg5 17. Qf3 h5 18. Qg3 Qf6 19. Rfe1 h4 20. Qf3 Qxf3 21. gxf3 g5 22. Kg2 Rfe8 23. Nb6 Kg7 24. Re2 f6 25. Rae1 Ne5 26. Re4 Kf7 27. f4 gxf4 28. Rxf4 Rg8+ 29. Kf1 Ng4 30. Rxe6 Nxh2+ 31. Ke2 Kxe6 32. Rxh4 Rh8 33. Bc4+ Ke5 34. f4+ Kf5 35. Rxh8 Rxh8 36. Bd5 Ng4 37. Bxb7 Kxf4 38. c6 Rh7 39. c7 Rxc7 40. Nd5+ Ke5 41. Nxc7 f5 42. Nxa6 Ne3 43. Nc5 Nxc2 44. Nd3+ Kd6 45. a4 Na3 46. Bc8 Nc4 47. Bxf5 Nb6 48. a5 Nd5 49. Be4 Nc3+ 50. Kf3 Kc7 51. Kf4 Kb8 52. Ke5 1-0

[Event "Titled Tuesday intern op 12th Sep Early"]
[Site "Chess.com INT"]
[Date "2023.09.12"]
[Round "2"]
[White "Slagboom, Leandro"]
[Black "Jaskolka, Tomasz"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2305"]
[BlackElo "2228"]
[PlyCount "118"]
[EventDate "2023.09.12"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. Bb5+ Nbd7 5. h3 Bh5 6. Nc3 a6 7. Be2 Nb6 8. 0-0 Nbxd5 9. Nxd5 Nxd5 10. d4 e6 11. c4 Nf6 12. Bf4 Bd6 13. Ne5 Bxe2 14. Qxe2 h6 15. Rad1 c6 16. Rfe1 Qc7 17. c5 Bxe5 18. Bxe5 Qe7 19. Bd6 Qd7 20. Rd3 Nd5 21. Rg3 g6 22. Qe5 0-0-0 23. Rb3 b5 24. a4 Kb7 25. axb5 axb5 26. Rf3 f6 27. Qe4 f5 28. Qxe6 Qxe6 29. Rxe6 Rhe8 30. Rxg6 Re1+ 31. Kh2 Re2 32. Rxf5 Rxb2 33. Rf7+ Ka6 34. Bc7 Rc8 35. Rxc6+ Kb7 36. Rb6+ Nxb6 37. Bxb6+ Kc6 38. Rf5 Rd2 39. Ba5 Rxd4 40. Kg3 Rd5 41. Rf6+ Kxc5 42. Rxh6 b4 43. Rh4 Rg8+ 44. Kh2 Rb8 45. Bxb4+ Rxb4 46. Rxb4 Kxb4 47. Kg3 Kc5 48. Kf4 Kd6 49. g4 Ke6 50. h4 Kf6 51. g5+ Kg6 52. Kg4 Rd1 53. h5+ Kg7 54. Kf5 Rh1 55. h6+ Kf7 56. g6+ Kg8 57. Kg5 Rg1+ 58. Kf6 Rf1 59. h7+ Kh8 0-1

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.03"]
[Round "6"]
[White "Elgersma, Onno"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C83"]
[WhiteElo "2259"]
[BlackElo "2305"]
[PlyCount "127"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 0-0 11. Bc2 f5 12. Nb3 Qd7 13. Nbd4 Nxd4 14. Nxd4 c5 15. Nxe6 Qxe6 16. f3 Ng5 17. Bxg5 Bxg5 18. f4 Be7 19. Qf3 c4 20. b3 Bc5+ 21. Kh1 Rad8 22. Rad1 g6 23. h3 d4 24. bxc4 bxc4 25. cxd4 Rxd4 26. Rxd4 Bxd4 27. Rd1 Rd8 28. Ba4 Bb6 29. Rxd8+ Bxd8 30. Bc6 Kg7 31. Bd5 Qb6 32. Bxc4 Qb1+ 33. Kh2 Bb6 34. Bf1 Kh6 35. Qe2 Qb4 36. g3 Qd4 37. Qg2 a5 38. Bb5 Qf2 39. Qxf2 Bxf2 40. Kg2 Bc5 41. Kf3 Kg7 42. g4 h5 43. gxf5 gxf5 44. Bd7 Kg6 45. Be8+ Kh6 46. Ke2 h4 47. Kd3 Kg7 48. a4 Ba3 49. Kd2 Bb4+ 50. Ke2 Ba3 51. Bd7 Kg6 52. Kd2 Bb4+ 53. Kc2 Bc5 54. Kd3 Ba3 55. Kc4 Bc1 56. Be8+ Kg7 57. Kd5 Bxf4 58. Ke6 Bd2 59. Kxf5 Kf8 60. Bb5 Ke7 61. e6 Be1 62. Bc4 Bf2 63. Kg4 Be1 64. Kf3 1/2-1/2

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.03"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Smeets, Kobe"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2305"]
[BlackElo "2247"]
[PlyCount "79"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 b5 8. Nxc6 Qxc6 9. Qd2 b4 10. Ne2 Qxe4 11. Rg1 Qc4 12. Nf4 Qc7 13. 0-0-0 Nf6 14. Nh5 Nd5 15. Bd4 Rg8 16. Bd3 Bb7 17. Bxh7 Rh8 18. Be4 0-0-0 19. Kb1 Kb8 20. Bxd5 Bxd5 21. Bxg7 Bxg7 22. Qxb4+ Qb7 23. Qd6+ Qc7 24. Qb4+ Ka8 25. Nxg7 Rxh2 26. Qd4 Rc8 27. Rd2 Qc4 28. Qxc4 Rxc4 29. b3 Rf4 30. Ne8 Kb8 31. Rf1 Rg2 32. Nd6 Rgxg4 33. c4 Bc6 34. Kc2 Rf3 35. Rh1 Rg2 36. Rh8+ Ka7 37. c5 Rfxf2 38. Nc8+ Kb7 39. Nd6+ Ka7 40. Nc8+ 1/2-1/2

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "2"]
[White "Markuszewski, Maksymilian"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2062"]
[BlackElo "2305"]
[PlyCount "84"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Nbd7 8. Qc2 g5 9. Bg3 Ne4 10. Nd2 Nxg3 11. hxg3 Nb6 12. 0-0-0 Qe7 13. e4 dxe4 14. Ndxe4 Bf5 15. Nd6+ Qxd6 16. Qxf5 Kf8 17. Ne4 Qc6+ 18. Kb1 Be7 19. Nc5 Rd8 20. Bb5 Qd5 21. Qc2 Bf6 22. Be2 Kg7 23. Bf3 Qc4 24. Qxc4 Nxc4 25. b3 Na3+ 26. Kb2 Nb5 27. Nxb7 Rb8 28. Kc1 g4 29. Bc6 Nc3 30. Rde1 Nxa2+ 31. Kb1 Nb4 32. d5 h5 33. f3 gxf3 34. gxf3 Rh6 35. Re4 Nd3 36. Rh2 Ne5 37. f4 Nf3 38. Ra2 Rg6 39. Rg2 h4 40. f5 h3 41. Rh2 Rxg3 42. Re3 Rg1+ 0-1

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "4"]
[White "Monteban, Martijn"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2309"]
[BlackElo "2305"]
[PlyCount "52"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. Nxd5 exd5 7. d4 c4 8. Be2 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Nc6 11. 0-0 Bf5 12. Ne5 0-0 13. Nxc6 bxc6 14. b3 cxb3 15. axb3 a5 16. Ra3 Qb6 17. Rfa1 Rab8 18. Qxa5 Qxa5 19. Rxa5 Rxb3 20. Rc5 Rb6 21. h3 h6 22. Bf1 Rd8 23. Rac1 Bd7 24. Ra5 Kf8 25. Ra6 Rxa6 26. Bxa6 Rb8 1/2-1/2

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Bakija, Alan"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2305"]
[BlackElo "2132"]
[PlyCount "81"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 a6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 d6 10. d4 exd4 11. cxd4 Ba7 12. h3 0-0 13. 0-0 Ne7 14. Nf4 b5 15. Bd3 c5 16. a4 c4 17. Bc2 Bb7 18. Qd2 Qb6 19. Rfe1 Rfc8 20. a5 Qc7 21. Ra3 Re8 22. Nh4 Kh8 23. Nh5 b4 24. Nxg7 Kxg7 25. Rg3+ Ng6 26. Nf5+ Kf6 27. Qxh6 Ke6 28. d5+ Kd7 29. Ba4+ Kd8 30. Bxe8 Kxe8 31. h4 Kd7 32. h5 Ne5 33. Qf6 Re8 34. h6 c3 35. bxc3 bxc3 36. h7 c2 37. Rc1 Qc5 38. Qxd6+ Qxd6 39. Nxd6 Rh8 40. Nxb7 Kc7 41. Rb3 1-0

[Event "Hoorn Romero op"]
[Site "Hoorn"]
[Date "2023.09.02"]
[Round "1"]
[White "Slagboom, Leandro"]
[Black "Langedijk, Ardjan"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2305"]
[BlackElo "2053"]
[PlyCount "75"]
[EventDate "2023.09.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. Be2 Bg7 6. 0-0 0-0 7. d5 Nb8 8. Be3 e6 9. dxe6 Bxe6 10. Qd2 Nc6 11. Rad1 Re8 12. h3 Qe7 13. Rfe1 a6 14. Bf1 Qf8 15. g4 Nd7 16. Bg2 Nde5 17. Nxe5 dxe5 18. Nd5 Bxd5 19. exd5 Nd4 20. c3 Nb5 21. Qc2 Rab8 22. a4 Nd6 23. c4 b5 24. c5 Nc4 25. Bc1 Red8 26. axb5 axb5 27. b3 Na5 28. Bd2 b4 29. Be4 Rb5 30. Be3 Nb7 31. Qc4 Nxc5 32. Qxb5 Nxe4 33. Qc4 Nc3 34. Rd2 Qe8 35. Qxc7 Rxd5 36. Qc4 Rxd2 37. Bxd2 e4 38. Qxb4 1-0

[Event "Riga Tech op-A"]
[Site "Riga"]
[Date "2023.08.13"]
[Round "9"]
[White "Slagboom, Leandro"]
[Black "Kreken, Eivind Grunt"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2270"]
[BlackElo "2129"]
[PlyCount "145"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. d5 Bd7 13. b3 Nb7 14. Be3 g6 15. Nbd2 Nh5 16. a4 bxa4 17. bxa4 Na5 18. Qe2 Rfb8 19. Bd3 Rb6 20. g4 Ng7 21. Ra3 Qc8 22. Nh2 Rb2 23. Qf1 h5 24. Be2 g5 25. Rb1 Rxb1 26. Qxb1 h4 27. Nc4 Rb8 28. Qf1 Nxc4 29. Bxc4 Qe8 30. Qd1 a5 31. Nf3 f6 32. Ba2 Kh7 33. Nd2 Qd8 34. Nc4 Qc7 35. Bb1 Be8 36. Bc2 Bd7 37. f4 gxf4 38. Bf2 Kg6 39. Nd2 Kf7 40. Ra1 Qa7 41. Bd3 Bd8 42. Nc4 Bc7 43. Bxh4 Rh8 44. Qe1 Qa8 45. Bf1 Qg8 46. Nd2 Qb8 47. Ra2 Qa7 48. Bf2 Bd8 49. Qd1 Qb7 50. Qc2 Bc7 51. Kg2 Qc8 52. Be2 Rg8 53. Kh2 Rh8 54. Qd1 Bd8 55. Rb2 Kf8 56. Nc4 Bc7 57. Na3 Qd8 58. Bb5 Bc8 59. Bc6 Qe7 60. Nb5 Bd8 61. Qg1 f5 62. Nxd6 fxg4 63. Nxc8 g3+ 64. Bxg3 Qc7 65. Bf2 Qxc8 66. Bxc5+ Kg8 67. Qg2 Bh4 68. Bf2 Qf8 69. Bxh4 Rxh4 70. Qf3 Kh7 71. Rb7 Qf6 72. c4 Rh6 73. Bd7 1-0

[Event "Riga Tech op-A"]
[Site "Riga"]
[Date "2023.08.10"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Miezis, Normunds"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2270"]
[BlackElo "2430"]
[PlyCount "56"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. f4 Bb7 9. Bd3 h5 10. Qe2 d6 11. 0-0 Nbd7 12. Nd5 exd5 13. exd5+ Kd8 14. b4 b5 15. Bb2 bxc4 16. Bxc4 Nb6 17. Bb3 Nfxd5 18. Nf5 Qd7 19. Qd3 h4 20. Ne3 Qb5 21. Qd4 Rc8 22. f5 Nxe3 23. Qxe3 Nc4 24. Qg5+ Kd7 25. Bc3 Be7 26. Qf4 Bf6 27. Rad1 Bxc3 28. Bxc4 Rxc4 0-1

[Event "Riga Tech op-A"]
[Site "Riga"]
[Date "2023.08.08"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Diermair, Andreas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2270"]
[BlackElo "2446"]
[PlyCount "88"]
[EventDate "2023.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. Re1 0-0-0 11. Bf1 Kb8 12. a4 c4 13. b4 cxb3 14. Qxb3 Bc5 15. Na3 Ne7 16. Nb5 Bxb5 17. axb5 Rhf8 18. Be3 Rf7 19. Rxa7 Bxa7 20. Bxa7+ Kc8 21. Qa3 Kd7 22. b6 Qc8 23. Bb5+ Nc6 24. c4 Ke8 25. Qd3 h6 26. c5 Kf8 27. Qh7 Nd4 28. Bf1 Qxc5 29. Bb8 Nc6 30. Bd6+ Rxd6 31. Qh8+ Ke7 32. exd6+ Kxd6 33. Re2 Qxb6 34. g3 Qd8 35. Qh7 Nd4 36. Rb2 Qf6 37. Qb1 Nc6 38. Bg2 Qd4 39. h3 b5 40. Re2 b4 41. Qg6 Ne5 42. Qb1 Ra7 43. Kh2 Ra1 44. Qb3 Qc3 0-1

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "5"]
[White "Blomqvist, Erik"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2488"]
[BlackElo "2270"]
[PlyCount "113"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bxc6 dxc6 8. d4 Ne6 9. Nxe5 Be7 10. Be3 0-0 11. c4 f6 12. Nf3 Re8 13. Nc3 Nf8 14. Qb3 Bg4 15. Nd2 b5 16. d5 cxd5 17. cxd5 Bd6 18. a4 bxa4 19. Rxa4 Bd7 20. Ra5 Qb8 21. Qa2 Qb4 22. Rb1 Bf5 23. Rc1 Ng6 24. Ra4 Qb7 25. Nc4 Ne5 26. Nxe5 Bxe5 27. Bd4 Bd6 28. h3 Bd7 29. Rc4 Bb5 30. Qb3 Bc6 31. Qxb7 Bxb7 32. Ra1 Rad8 33. b4 Rd7 34. Kf1 Be5 35. Bxe5 Rxe5 36. Rc5 Bxd5 37. Rxa6 Bb7 38. Raa5 Rxc5 39. Rxc5 Kf7 40. f3 c6 41. Ke2 Rd4 42. b5 Rd6 43. b6 Ke7 44. Ne4 Re6 45. g4 g6 46. Kd2 Kd8 47. Kc3 Kc8 48. Kd4 Ba6 49. Ra5 Bb7 50. Kc5 Re5+ 51. Kb4 Re6 52. Rc5 Ba6 53. Rc3 Bb5 54. Kc5 Ba6 55. Ra3 Bb7 56. Ra7 f5 57. Nd6+ 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "7"]
[White "Mierins, Emils Janis"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "C79"]
[WhiteElo "2174"]
[BlackElo "2270"]
[PlyCount "86"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. c3 Bd7 7. Re1 g6 8. d4 Bg7 9. Nbd2 0-0 10. Bb3 Re8 11. a4 a5 12. Qc2 exd4 13. Nxd4 d5 14. N4f3 dxe4 15. Ng5 Ne5 16. Ndxe4 Bf5 17. Bf4 Nxe4 18. Nxe4 h6 19. Rad1 Qh4 20. Bg3 Qh5 21. Qd2 g5 22. Qc1 Qg6 23. Bc2 Re7 24. Bb1 Rae8 25. Nd2 Nd3 26. Bxd3 Bxd3 27. Bxc7 Be2 28. Bxa5 Qa6 29. Bb4 Re6 30. Nf3 Bxd1 31. Rxd1 Qxa4 32. h3 Re4 33. Rd2 Qb5 34. Qd1 Bf6 35. Rd3 Qf5 36. Rd5 Qg6 37. Rb5 h5 38. Rxb7 g4 39. hxg4 hxg4 40. Qd7 gxf3 41. g3 Re1+ 42. Kh2 Qh5+ 43. Qh3 Rh1+ 0-1

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "9"]
[White "Morkunas, Gustas"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2074"]
[BlackElo "2270"]
[PlyCount "79"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. c3 d6 7. 0-0 0-0 8. Nbd2 Ba7 9. h3 h6 10. Re1 Ne7 11. Nf1 Ng6 12. Ng3 c5 13. d4 cxd4 14. cxd4 exd4 15. Nxd4 d5 16. exd5 Qb6 17. Be3 Nxd5 18. Bb3 Nxe3 19. fxe3 Bd7 20. Qh5 Rae8 21. Rad1 Nf4 22. Qf3 Ne6 23. Ndf5 Ng5 24. Qg4 Bxf5 25. Nxf5 Re4 26. Qg3 Bb8 27. Qf2 Qg6 28. Kf1 Re5 29. Rd5 Rfe8 30. Rxe5 Rxe5 31. Bc2 Ne4 32. Bxe4 Rxe4 33. Rd1 Kh7 34. Nh4 Qh5 35. Qf5+ Qxf5+ 36. Nxf5 g6 37. Nd6 Re7 38. Ke2 Kg7 39. Kf3 Rd7 40. Ne8+ 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "1"]
[White "Nordquelle, Amelia"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1664"]
[BlackElo "2270"]
[PlyCount "142"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. cxd5 exd5 4. d4 c6 5. Nc3 Nf6 6. a3 Bf5 7. Bg5 h6 8. Bh4 Nbd7 9. e3 Qb6 10. Na4 Qc7 11. Bd3 Ne4 12. 0-0 Bd6 13. Nc3 g5 14. Bg3 Bxg3 15. fxg3 0-0 16. Qc2 Nxc3 17. Bxf5 Nb5 18. h4 gxh4 19. Nxh4 Nd6 20. Rf4 Nf6 21. Nf3 Qe7 22. Ne5 Nde4 23. Bxe4 Nxe4 24. Qe2 Qe6 25. Qh5 f5 26. Kh2 Rf6 27. Raf1 Raf8 28. Re1 Kh7 29. Rf3 c5 30. Nd3 Ng5 31. Rf4 c4 32. Nc5 Qc8 33. Rc1 b6 34. Na4 Qe8 35. Qxe8 Rxe8 36. Re1 Ne6 37. Rff1 Kg6 38. Nc3 Nc7 39. Re2 Rfe6 40. Rfe1 b5 41. Nb1 a5 42. Nc3 b4 43. Nd1 Nb5 44. axb4 axb4 45. Rc2 Nxd4 46. Rd2 Nc6 47. Rxd5 Ne5 48. Nf2 Rb8 49. Rd4 Rc6 50. Rc1 c3 51. bxc3 bxc3 52. Kh3 Nf7 53. Rd3 Rb3 54. Nd1 Ng5+ 55. Kh2 Ne4 56. Kh3 Kg5 57. Kh2 Kg4 58. Rd4 Kg5 59. Rd3 h5 60. Kh3 Ra3 61. Kh2 Ra2 62. Nxc3 Nxc3 63. Rcxc3 Rb6 64. Rb3 Re6 65. Rb5 Re2 66. Rbb3 Re4 67. Rbc3 Kg4 68. Rd4 Rxd4 69. exd4 Rd2 70. Rc4 Kg5 71. Rb4 Kg6 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "6"]
[White "Slagboom, Leandro"]
[Black "Juknis, Paulius"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2270"]
[BlackElo "2156"]
[PlyCount "109"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. Bd3 g6 8. 0-0 a6 9. N5c3 Bg7 10. Nd5 Bxd5 11. cxd5 Nd4 12. Be3 Nf6 13. Nc3 0-0 14. Ne2 Nd7 15. Qd2 Qb6 16. b4 a5 17. Rfb1 Rfc8 18. h4 h5 19. a4 axb4 20. Rxb4 Qa5 21. Nxd4 exd4 22. Bf4 Nc5 23. Rab1 Be5 24. Bxe5 dxe5 25. f3 Qd8 26. g3 Qf6 27. Kg2 Kg7 28. Bb5 Qd6 29. Rc4 Na6 30. Rbc1 Rxc4 31. Rxc4 Nc5 32. Qb4 b6 33. Bc6 Rb8 34. a5 d3 35. Kf2 d2 36. Ke2 Qf6 37. Rc3 Na6 38. Qb5 bxa5 39. Qxa6 Rb2 40. Qd3 Qd6 41. Rc2 d1Q+ 42. Qxd1 Rb4 43. Qd3 Rd4 44. Qe3 Qb4 45. Kf2 a4 46. Ra2 a3 47. Kg2 Qb1 48. Qe2 Rb4 49. d6 Rb2 50. Rxb2 axb2 51. Ba4 Qc1 52. Bc2 b1Q 53. Bxb1 Qxb1 54. d7 Qb6 55. Qd2 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Ser, Daniel"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2270"]
[BlackElo "1850"]
[PlyCount "119"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. Bc4 exf3 6. Nxf3 Nf6 7. 0-0 e6 8. Kh1 Nbd7 9. Ne5 Be7 10. Nxf7 Kxf7 11. Qh5+ g6 12. Qh3 c5 13. Ne4 h6 14. Ng5+ Ke8 15. Nxe6 Nf8 16. Ng7+ Kd8 17. Qd3 Bd7 18. dxc5 Qxc5 19. Be3 Qc6 20. Rad1 Rc8 21. Bb5 Qxc2 22. Qd4 Qc5 23. Rxf6 Qxb5 24. Rf7 Rh7 25. Qe4 Qb4 26. Bd4 Bc6 27. Qe3 Nd7 28. Ne6+ Ke8 29. Rxh7 Qc4 30. Rh8+ Kf7 31. Rxc8 Qxe6 32. Qxe6+ Kxe6 33. Rh8 Bg5 34. h3 Nf6 35. Bxf6 Kxf6 36. Rh7 Bf4 37. Rf1 Kg5 38. Rf7 Bg3 39. Rc1 h5 40. Kg1 Bf4 41. Rc5+ Kh6 42. Kf1 Bd6 43. Rxc6 bxc6 44. Rxa7 Kg5 45. Ra6 Kh4 46. Rxc6 Be5 47. b4 g5 48. b5 g4 49. hxg4 Kxg4 50. b6 Kg3 51. b7 h4 52. Rg6+ Kh2 53. Rg8 h3 54. gxh3 Kh1 55. Ke2 Bh2 56. Re8 Bg3 57. b8Q Kg2 58. Qxg3+ Kh1 59. Qe1+ Kh2 60. Kf3 1-0

[Event "Riga Tech Rapid op"]
[Site "Riga"]
[Date "2023.08.06"]
[Round "8"]
[White "Slagboom, Leandro"]
[Black "Tran, Thanh Tu"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2270"]
[BlackElo "2413"]
[PlyCount "84"]
[EventDate "2023.08.06"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "LAT"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. f4 Bb7 9. Bd3 Bc5 10. Nc2 h5 11. b4 Be7 12. 0-0 d6 13. Bb2 Nbd7 14. Ne3 Rc8 15. Qf3 Qb8 16. Rad1 Qa8 17. Rfe1 Kf8 18. Qh3 g6 19. Nc2 Rg8 20. Nd4 e5 21. Nde2 Ng4 22. b5 Nc5 23. Nd5 Bxd5 24. cxd5 axb5 25. fxe5 dxe5 26. Nc3 Nxd3 27. Rxd3 Bc5+ 28. Kf1 Qa6 29. Re2 b4 30. axb4 Bxb4 31. Qg3 Nxh2+ 32. Ke1 Ng4 33. Kd2 Kg7 34. d6 Rgd8 35. d7 Rc7 36. Kc2 Rdxd7 37. Red2 Rxd3 38. Rxd3 Qc4 39. Qe1 b5 40. Qd2 Qxe4 41. Kb1 Bxc3 42. Bxc3 Rd7 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.03"]
[Round "9"]
[White "Slagboom, Leandro"]
[Black "Sidhant, Mohapatra"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2270"]
[BlackElo "2419"]
[PlyCount "126"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. 0-0 d6 6. c3 g6 7. Re1 Bg7 8. d4 0-0 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qxd8 Rxd8 12. f3 Ne8 13. Be3 Nd6 14. Bb3 a5 15. a4 b6 16. Na3 Ba6 17. Rad1 Kf8 18. Bd5 Rac8 19. b4 axb4 20. cxb4 Ke7 21. Bf2 Bb7 22. Bxb7 Nxb7 23. Nb5 Rxd1 24. Rxd1 Bf8 25. Nc3 Ke6 26. Nd5 Bd6 27. Rc1 Kd7 28. Bxb6 c6 29. Ne3 Bxb4 30. Nc4 Ke6 31. Kf1 Nd6 32. Ne3 f5 33. exf5+ gxf5 34. Ke2 c5 35. a5 f4 36. Nd1 Kd5 37. Nf2 Nc4 38. Ne4 Nxb6 39. axb6 Kc6 40. b7 Rb8 41. Rd1 Rxb7 42. Rd6+ Kb5 43. Rxh6 Ra7 44. Nd6+ Ka4 45. Nc4 Kb3 46. Kd3 Ra1 47. Rd6 Rc1 48. Nd2+ Bxd2 49. Kxd2 Rc2+ 50. Kd3 c4+ 51. Ke4 Re2+ 52. Kf5 c3 53. g3 fxg3 54. hxg3 c2 55. Rb6+ Kc3 56. Rc6+ Kd2 57. f4 e4 58. Rd6+ Ke1 59. Rc6 Kd1 60. g4 c1Q 61. Rxc1+ Kxc1 62. g5 e3 63. Ke4 Kd2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.02"]
[Round "8"]
[White "Schoppen, Casper"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2498"]
[BlackElo "2270"]
[PlyCount "80"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 0-0 9. Be2 Bd7 10. Qb3 dxc4 11. Qxc4 Qe7 12. 0-0 Na5 13. Qd3 c5 14. a3 c4 15. Qc2 Bxc3 16. Qxc3 b6 17. Nd2 Rfc8 18. Rac1 Ba4 19. Bd1 Bxd1 20. Rfxd1 Rc7 21. Rc2 Rac8 22. Ne4 Nb7 23. Qe1 Nd6 24. Nc3 Qd7 25. e4 Nb5 26. d5 Nxc3 27. Qxc3 exd5 28. Rxd5 Qe7 29. f3 Rd8 30. Rcd2 Rxd5 31. Rxd5 Rc5 32. Rd1 Qc7 33. Qd4 c3 34. Qd8+ Qxd8 35. Rxd8+ Kh7 36. bxc3 Rxc3 37. Rd7 Rxa3 38. Rxf7 a5 39. Rb7 Rb3 40. Ra7 Rb2 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.08.01"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Baselmans, Luuk"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2270"]
[BlackElo "2338"]
[PlyCount "57"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Rc8 10. 0-0 Qb6 11. Kh1 a5 12. Bd3 Nfxd4 13. Nfxd4 Nxd4 14. Be3 Bc5 15. Nxd4 Bxd4 16. Qg4 Bxe3 17. Qxg7 Rf8 18. fxe3 Qxe3 19. Rad1 Ba4 20. b3 Rc3 21. Qxh7 Bd7 22. Bg6 Qxe5 23. Bxf7+ Kd8 24. Bxe6 Rxf1+ 25. Rxf1 Be8 26. Qh4+ Kc7 27. Qe7+ Kb6 28. Qxe8 Qf4 29. Qf7 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.31"]
[Round "6"]
[White "Decrop, Hendrik"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2033"]
[BlackElo "2270"]
[PlyCount "72"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 Ne7 10. 0-0 Ng6 11. Nf3 Be7 12. c4 dxe4 13. Bxe4 f5 14. Bc2 e5 15. Re1 e4 16. Ng5 Nf4 17. Bxf4 Qxf4 18. Nh3 Qe5 19. Rad1 0-0-0 20. c5 Bxc5 21. Qa6+ Kb8 22. Rd3 Bb6 23. Rb3 Bc8 24. Qe2 Be6 25. Rc3 Bd5 26. Ba4 Kb7 27. Rec1 Rd6 28. b4 f4 29. b5 c5 30. Bb3 Rhd8 31. g3 g5 32. Qh5 Bxb3 33. gxf4 Qg7 34. axb3 gxf4+ 35. Kf1 f3 36. Ke1 Qxc3+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.29"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Hausrath, Daniel"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2270"]
[BlackElo "2442"]
[PlyCount "96"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 dxe4 5. Bc4 Nf6 6. fxe4 e5 7. dxe5 Ng4 8. Qe2 Nxe5 9. Bb3 Bg4 10. Nf3 Nbd7 11. h3 Nxf3+ 12. gxf3 Be6 13. Nd5 Qd8 14. Be3 Nc5 15. Bc4 b5 16. Bxb5 Bd7 17. Bxc6 Bxc6 18. 0-0-0 Qa5 19. Qc4 Rc8 20. Kb1 Ne6 21. f4 Qb5 22. Qc3 Bd7 23. Qe5 Qb8 24. Qh5 Ba3 25. b3 Bc6 26. Qg4 h5 27. Qg3 g6 28. Qh4 Bxd5 29. exd5 Ng7 30. Qf6 Kf8 31. d6 Rd8 32. d7 Be7 33. Qd4 Rg8 34. Qa4 Nf5 35. Bxa7 Qb7 36. Rhe1 Bf6 37. Bc5+ Kg7 38. b4 Ra8 39. Qb3 Rgd8 40. Qd5 Qa6 41. Rd3 Rab8 42. Red1 Rb7 43. Qf3 Rc7 44. c3 Qa3 45. Qf2 Qa4 46. Bb6 Rxc3 47. Bxd8 Qxb4+ 48. Qb2 Rc1+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.28"]
[Round "4"]
[White "Van den Doel, Erik"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2576"]
[BlackElo "2270"]
[PlyCount "70"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 a5 7. Re1 0-0 8. h3 h6 9. d4 Ba7 10. Bb3 Re8 11. Bc2 a4 12. Be3 d5 13. dxe5 dxe4 14. exf6 Qxd1 15. Bxd1 exf3 16. Bxf3 Bxe3 17. Rxe3 Rxe3 18. fxe3 Ne5 19. Be2 gxf6 20. Na3 Be6 21. Kf2 Rd8 22. Ke1 Rd6 23. Nb5 Rb6 24. b3 axb3 25. axb3 Bxb3 26. Nxc7 Bc4 27. Bxc4 Nxc4 28. Nd5 Rb2 29. Kf1 Kg7 30. Rd1 b5 31. Rd4 f5 32. Kg1 Re2 33. Rf4 Nxe3 34. Nxe3 Rxe3 35. Rxf5 Rxc3 1/2-1/2

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.27"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Kurt, Sascha"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2270"]
[BlackElo "1986"]
[PlyCount "131"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. Nf3 Bg7 8. a4 0-0 9. e4 axb5 10. Bxb5 Ba6 11. Bxa6 Nxa6 12. 0-0 Nd7 13. Qe2 Qa5 14. Bd2 Rfb8 15. Nb5 Qb6 16. Bc3 Nc7 17. Nxc7 Qxc7 18. Bxg7 Kxg7 19. Rfb1 Rb4 20. Qc2 Qb7 21. Nd2 Qa6 22. b3 Rab8 23. Nc4 Kg8 24. a5 Nf6 25. h3 Ne8 26. e5 Nc7 27. exd6 exd6 28. Nb6 Re8 29. Rd1 Qe2 30. Qxe2 Rxe2 31. Nc4 Na6 32. Ra3 Re4 33. f3 Rd4 34. Rxd4 cxd4 35. Nxd6 d3 36. Nc4 Rb5 37. d6 Rd5 38. Ra1 Kf8 39. Kf2 Ke8 40. Re1+ Kd8 41. Re5 Rd4 42. Ke3 d2 43. Nxd2 Rxd6 44. Rb5 Kc7 45. Nc4 Rd1 46. Rb6 Nb8 47. Rf6 Rd7 48. Ne5 Re7 49. Rxf7 Rxf7 50. Nxf7 Nc6 51. Ng5 h6 52. Nf7 Nxa5 53. Nxh6 Nxb3 54. Kf4 Nd4 55. Ke5 Ne2 56. h4 Kd7 57. Kf6 Ke8 58. Ng4 Nf4 59. Ne3 Kf8 60. Kg5 Ne6+ 61. Kxg6 Kg8 62. h5 Kh8 63. Nd5 Nf8+ 64. Kf5 Kg7 65. g4 Nh7 66. g5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.26"]
[Round "2"]
[White "Prraneeth, Vuppala"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2486"]
[BlackElo "2270"]
[PlyCount "61"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Bh4 d6 7. c3 a5 8. Nbd2 Ba7 9. 0-0 g5 10. Bg3 0-0 11. a3 a4 12. Re1 Nh7 13. Nf1 h5 14. h3 h4 15. Bh2 g4 16. hxg4 Bxg4 17. Ne3 Qc8 18. Kh1 Kh8 19. d4 f6 20. Nf5 Bxf5 21. exf5 Qxf5 22. Bd3 Qg4 23. Re4 Qg7 24. Rxh4 f5 25. Rh5 Rg8 26. Ng5 Qxg5 27. Rxg5 Rxg5 28. f4 exf4 29. Bxf4 Rg4 30. g3 Ne7 31. Qf3 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2023.07.25"]
[Round "1"]
[White "Slagboom, Leandro"]
[Black "Markus, John Raymond"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2270"]
[BlackElo "2001"]
[PlyCount "51"]
[EventDate "2023.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 a6 6. a4 b6 7. 0-0 0-0 8. e5 dxe5 9. Nxe5 Bb7 10. Bf3 c6 11. Bf4 Nd5 12. Nxd5 cxd5 13. c3 f6 14. Nd3 Nc6 15. Re1 e5 16. dxe5 fxe5 17. Nxe5 Rxf4 18. Qxd5+ Kh8 19. Nxc6 Qxd5 20. Bxd5 Raf8 21. f3 b5 22. axb5 axb5 23. Ra7 Bxc6 24. Bxc6 b4 25. Ree7 bxc3 26. bxc3 1-0

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "3"]
[White "Beerdsen, Thomas"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2520"]
[BlackElo "2270"]
[PlyCount "53"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5 10. c3 dxe4 11. 0-0 Qd6 12. Qxd6 cxd6 13. cxd4 Nxd4 14. Nc3 Bg4 15. Nxe4 Nc2 16. f3 Nxa1 17. fxg4+ Ke6 18. Bf4 Nc2 19. Rd1 d5 20. Nc5+ Kf6 21. Rxd5 Rhe8 22. Bg5+ Kf7 23. Rd7+ Kg8 24. Bf6 Re2 25. Rg7+ Kf8 26. Nd7+ Ke8 27. Ne5 1-0

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Goudriaan, Rafael"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2270"]
[BlackElo "1990"]
[PlyCount "61"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 a6 5. a4 Be7 6. d3 d6 7. Nd2 Bg5 8. h4 Bh6 9. Nf1 Bxc1 10. Qxc1 Be6 11. Ne3 Nd4 12. Ncd5 Rb8 13. a5 Bxd5 14. Nxd5 Ne7 15. Ne3 Nec6 16. Qd2 Ne6 17. g3 Ned4 18. Kf1 Qf6 19. Qd1 Qd8 20. Qg4 Kf8 21. c3 h5 22. Qh3 Nb5 23. Qf5 Qe8 24. Kg2 Ne7 25. Qf3 g6 26. Qf6 Rh7 27. Bxb5 Qxb5 28. Qxd6 Re8 29. Nc4 f6 30. Qxf6+ Rf7 31. Qxf7+ 1-0

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Reichardt, Thomas"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2270"]
[BlackElo "1863"]
[PlyCount "67"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. a4 0-0 7. Re1 Bg4 8. h3 Bh5 9. c3 h6 10. a5 a6 11. Nbd2 d5 12. exd5 Nxd5 13. Qb3 Nf4 14. Nxe5 Nxe5 15. Rxe5 Bd6 16. Re1 Qg5 17. Qxb7 c6 18. Qxc6 Rac8 19. h4 Nh3+ 20. Kf1 Qxh4 21. g3 Rxc6 22. gxh4 Nf4 23. Ne4 Bg4 24. Nxd6 Bh3+ 25. Kg1 Ng2 26. Bd5 Nxe1 27. Bxc6 Nxd3 28. Be3 Ne5 29. Bg2 Bg4 30. Bd4 Nd3 31. b4 Rd8 32. Nb7 Rb8 33. b5 Nf4 34. bxa6 1-0

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "6"]
[White "Timman, Jan H"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2522"]
[BlackElo "2270"]
[PlyCount "67"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. Na3 e6 6. 0-0 Be7 7. c3 Nc6 8. Nc2 h5 9. h4 Nf6 10. Ng5 0-0 11. Re1 Ne4 12. Nxe4 Bxe4 13. Bxe4 dxe4 14. Ne3 Qd7 15. d5 exd5 16. Qxd5 Qxd5 17. Nxd5 Rad8 18. Rd1 Bd6 19. Bf4 Ne5 20. Rd4 f5 21. Ne3 g6 22. Rad1 Rde8 23. Rd5 Nf7 24. Ng2 Kg7 25. c4 Bxf4 26. Nxf4 Ne5 27. b3 Kf7 28. Kg2 a6 29. f3 exf3+ 30. exf3 Nc6 31. Rd7+ Re7 32. Rxe7+ Nxe7 33. Rd7 c6 34. Rxe7+ 1-0

[Event "Maastricht Limburg op 15th"]
[Site "Maastricht"]
[Date "2023.05.28"]
[Round "4"]
[White "Schroeder, Jan Christian"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2553"]
[BlackElo "2250"]
[PlyCount "43"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[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. g3 0-0 5. Bg2 d5 6. Nf3 dxc4 7. 0-0 Nc6 8. Re1 Nd5 9. Qc2 Nb6 10. Be3 Qe7 11. Rad1 h6 12. Bf4 Bd6 13. Ne5 Bxe5 14. dxe5 Bd7 15. Ne4 Nb4 16. Qc1 N4d5 17. Rd4 c5 18. Rdd1 Ba4 19. Rd2 Bc6 20. Rdd1 Ba4 21. Rd2 Bc6 22. Rdd1 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.21"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "De Boer, Eelke"]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "2250"]
[BlackElo "2293"]
[PlyCount "87"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 c5 7. d5 b5 8. cxb5 a6 9. a4 Qa5 10. Bd2 axb5 11. Bxb5 Na6 12. Nf3 Qb4 13. Qc2 Bg4 14. Qd3 Qa5 15. Rc1 Qb6 16. 0-0 Bd7 17. b3 Nc7 18. Bc4 Rfb8 19. h3 Na6 20. Bg5 Ne8 21. Qd2 Qd8 22. Rfe1 f6 23. Bh4 Nec7 24. Nh2 g5 25. Bg3 Kh8 26. Nf1 Nb4 27. h4 h6 28. f4 g4 29. Bf2 Qf8 30. Ng3 Qf7 31. Rcd1 h5 32. Bxc5 dxc5 33. d6 Ne6 34. f5 Rb6 35. dxe7 Qxe7 36. Qxd7 Qxd7 37. Rxd7 Nd4 38. Nxh5 Bh6 39. Nd5 Nxd5 40. exd5 Nxf5 41. Re6 Rxe6 42. dxe6 Be3+ 43. Kf1 Bd4 44. e7 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.21"]
[Round "6"]
[White "Westerlaan, Sander"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1960"]
[BlackElo "2250"]
[PlyCount "52"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 0-0 9. Rc1 Rd8 10. cxd5 exd5 11. Bb5 Bg4 12. Bxc6 Bxc3+ 13. Rxc3 Bxf3 14. Bxb7 Rab8 15. gxf3 Qxf3 16. Rg1 Rxb7 17. b3 Qf5 18. Qc6 Rb6 19. Qxc7 Re8 20. Rc1 Rf6 21. Qc2 Qf4 22. Rg3 Qxd4 23. Qc3 Qf4 24. Kd1 Qxf2 25. Rc2 Qf1+ 26. Kd2 Rf2# 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Jacobs, Florian"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2250"]
[BlackElo "2227"]
[PlyCount "84"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[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 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 b4 9. a5 d6 10. d3 Be6 11. Bxe6 fxe6 12. Nbd2 Rb8 13. c3 bxc3 14. bxc3 Rb5 15. d4 exd4 16. cxd4 Nxa5 17. Qc2 h6 18. Ra4 c5 19. Ba3 Qc8 20. Rc1 Qb7 21. e5 dxe5 22. dxc5 Nc6 23. Qg6 Qc8 24. h3 a5 25. Nc4 e4 26. Nfe5 Nxe5 27. Nxe5 Qe8 28. Qxe8 Rxe8 29. Nc6 Bd8 30. Nd4 Rb8 31. c6 Bc7 32. g3 Kf7 33. Rc5 Rb1+ 34. Kg2 Reb8 35. Bc1 Nd5 36. Bd2 R8b2 37. Rc2 Rxc2 38. Nxc2 Rb2 39. Rc4 Nb6 40. Rc3 Nd5 41. Rc4 Nb6 42. Rc3 Nd5 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.20"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Kazarjan, Gachatur"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2250"]
[BlackElo "1906"]
[PlyCount "75"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[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. Ne4 Re8 15. Bc4 h6 16. g4 Qc7 17. h4 Rad8 18. Qf2 Nf4 19. Bxe6 Nxe6 20. Rxd8 Rxd8 21. g5 Rd5 22. Be3 h5 23. Rd1 a5 24. Nc3 Rxd1+ 25. Kxd1 Qb7 26. b3 Nd4 27. Ne4 Qd7 28. Bxd4 exd4 29. Qf1 Qf5 30. a4 Be5 31. Ke2 Qf4 32. Qf2 Qc1 33. Kd3 Qd1+ 34. Nd2 Bf4 35. Qe2 Qxe2+ 36. Kxe2 Bg3 37. Ne4 Bxh4 38. b4 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.19"]
[Round "3"]
[White "Basinas, Konstantinos"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1902"]
[BlackElo "2250"]
[PlyCount "92"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[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 Bc5 4. d3 d6 5. c3 Nf6 6. 0-0 0-0 7. b4 Bb6 8. a4 a5 9. b5 Ne7 10. Be3 Bxe3 11. fxe3 d5 12. exd5 Nexd5 13. Qe2 Re8 14. e4 Nb6 15. Bb3 Be6 16. Bc2 Qd6 17. d4 Bc4 18. Bd3 Bxd3 19. Qxd3 Nbd7 20. Nbd2 exd4 21. Nc4 Qe7 22. e5 Nd5 23. cxd4 h6 24. Rae1 Nf8 25. b6 Nxb6 26. Ne3 Rad8 27. Nf5 Qe6 28. N3h4 Ng6 29. Qg3 Nd5 30. Re4 Nde7 31. Nxh6+ gxh6 32. Rf6 Kh7 33. Rxe6 fxe6 34. Nf3 Nf5 35. Qe1 Rd5 36. g4 Nfe7 37. h4 Rf8 38. Qg3 Rg8 39. h5 Nf8 40. Qf4 Rd8 41. Kh2 Nd5 42. Qd2 Nd7 43. g5 Rdf8 44. g6+ Kg7 45. Kg2 Rf5 46. Nh4 Rg5+ 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.19"]
[Round "2"]
[White "Slagboom, Leandro"]
[Black "Aden, Dagmar"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2250"]
[BlackElo "1739"]
[PlyCount "107"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 Nbd7 10. a4 Nc5 11. Nxc5 dxc5 12. Qe1 0-0 13. a5 b5 14. axb6 Qxb6 15. b3 Qc6 16. Ra4 Rfb8 17. Qa1 Rb4 18. Rxa6 Rxa6 19. Qxa6 Qxa6 20. Bxa6 Nxe4 21. Nxe4 Rxe4 22. c4 Rg4 23. Bb7 Rg6 24. Ra1 f5 25. Ra5 Bd7 26. Bd5+ Be6 27. Bxe6+ Rxe6 28. Bxc5 Bxc5 29. Rxc5 Rb6 30. Rb5 Ra6 31. g3 Ra1+ 32. Kg2 Rb1 33. Rxe5 Rxb3 34. Rxf5 Rc3 35. Rf4 g6 36. Kf1 g5 37. Re4 Kf7 38. h4 Kg6 39. hxg5 Kxg5 40. Rf4 h5 41. Ke2 Rc1 42. Kd2 Ra1 43. c5 Ra2+ 44. Ke3 Rc2 45. Kd4 Rc1 46. Kd5 Rd1+ 47. Ke6 Rc1 48. Kd6 Rd1+ 49. Kc7 Rc1 50. c6 Rc2 51. Kb7 Rb2+ 52. Kc8 Rc2 53. c7 Rc3 54. Rb4 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2023.05.18"]
[Round "1"]
[White "Van de Poel, Taco"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "1854"]
[BlackElo "2250"]
[PlyCount "53"]
[EventDate "2023.05.18"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. Nc4 b5 9. Ne3 Nf6 10. Bd3 0-0 11. 0-0 Nb4 12. a4 Nxd3 13. Qxd3 b4 14. Ncd5 Rb8 15. c4 Nxd5 16. Nxd5 Bg5 17. Bd2 a5 18. b3 f5 19. f3 Bxd2 20. Qxd2 fxe4 21. fxe4 Rxf1+ 22. Rxf1 Be6 23. Rf3 h6 24. Rg3 Kh7 25. Rd3 Rb7 26. Ne3 Rd7 27. Nf1 1/2-1/2

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.06"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Van der Hagen, Loek"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "2228"]
[BlackElo "2273"]
[PlyCount "120"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[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. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bxf7+ Rxf7 13. fxg4 Rxf1+ 14. Kxf1 Qd6 15. e5 Qe6 16. Nf4 Rf8 17. Kg1 Qf7 18. Qe2 Bh6 19. g3 Qc4 20. Qd2 Rd8 21. Qb2 Bxf4 22. gxf4 Qd3 23. Kf2 Qxe3+ 24. Kxe3 Nc4+ 25. Ke4 Nxb2 26. a4 Nc4 27. Ra2 e6 28. Rf2 cxd4 29. cxd4 a6 30. f5 gxf5+ 31. gxf5 exf5+ 32. Rxf5 Nd2+ 33. Ke3 Nb3 34. Rf4 b5 35. axb5 axb5 36. Kd3 Nc5+ 37. Kc3 Ne6 38. Rh4 Kg7 39. h3 Kg6 40. Rg4+ Kf5 41. Rh4 Rd7 42. d5 Rxd5 43. Rxh7 Kxe5 44. Kb4 Kd6 45. h4 Kc6 46. h5 Rd4+ 47. Kb3 Kc5 48. Rh8 Rd3+ 49. Kc2 Rh3 50. h6 Kb4 51. Kd2 Nc5 52. Ke2 Kc4 53. Kf2 b4 54. Kg2 Rh5 55. Kg3 b3 56. Kg4 Rh1 57. h7 b2 58. Rb8 Nb3 59. Rc8+ Kd5 60. Rd8+ Kc6 0-1

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.05"]
[Round "6"]
[White "De Winter, Arthur"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "C28"]
[WhiteElo "2374"]
[BlackElo "2228"]
[PlyCount "110"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 0-0 6. Nf3 exf4 7. Bxf4 d6 8. d4 Bb6 9. Bg5 Bg4 10. Qd2 Bxf3 11. gxf3 Bxd4 12. 0-0-0 Bxc3 13. bxc3 Ne5 14. Be2 Ned7 15. Rhg1 Kh8 16. Bb5 Rg8 17. Qd4 Ne5 18. Rg3 Qe7 19. f4 Nc6 20. Bxc6 bxc6 21. c4 c5 22. Qc3 Rae8 23. Re1 Qe6 24. Rge3 Nd7 25. Rh3 Rgf8 26. Rg3 f6 27. Bh4 Re7 28. Rge3 Ref7 29. Qa5 Nb6 30. Qxa7 Qxc4 31. Rb3 h6 32. Qb7 Qd4 33. c3 Qa4 34. Re2 c4 35. Rbb2 Qa8 36. Qxa8 Rxa8 37. Rb4 Re7 38. Bf2 Nd5 39. Rxc4 Nxf4 40. Rd2 Kg8 41. a4 g5 42. Bg3 Ne6 43. Bf2 Kf7 44. Be3 Nd8 45. Bf2 Nb7 46. Rb4 c5 47. Rb6 Rxa4 48. Bg3 Raxe4 49. Bxd6 Nxd6 50. Rbxd6 Re1+ 51. Kc2 R1e2 52. Kb3 Rxd2 53. Rxd2 Re5 54. Kc4 f5 55. Rd6 Kg7 0-1

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.04"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Achuthan, Dylan"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2228"]
[BlackElo "2045"]
[PlyCount "89"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[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 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Re1 Nc6 8. Nc3 b5 9. Bb3 Be7 10. d5 exd5 11. Bxd5 Nxd5 12. Nxd5 0-0 13. e4 Bg4 14. h3 Bxf3 15. Qxf3 Bf6 16. Nxf6+ Qxf6 17. Qxf6 gxf6 18. Be3 c4 19. Bc5 Rfc8 20. f4 Rd8 21. Rad1 Kg7 22. Rd5 f5 23. Rxf5 Rd2 24. Re3 Rg8 25. Rd5 Rxb2 26. Rd6 Rb1+ 27. Kh2 Rc8 28. Rg3+ Kh8 29. Rf6 Rd1 30. Rxf7 Rg8 31. Rc7 Nd4 32. Be7 Rxg3 33. Bf6+ Kg8 34. Kxg3 Rd3+ 35. Kg4 c3 36. Bxd4 Rxd4 37. Rxc3 Ra4 38. Kf5 Rxa2 39. Kf6 h5 40. e5 Ra4 41. f5 Rc4 42. Rxc4 bxc4 43. e6 Kf8 44. e7+ Ke8 45. Ke6 1-0

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.03"]
[Round "4"]
[White "Moskalets, Sofiia"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1722"]
[BlackElo "2228"]
[PlyCount "99"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Be7 11. c3 0-0 12. Qf3 Qc7 13. Bd3 Bd7 14. Re1 Nd5 15. Nf5 exf5 16. Qxd5 Be6 17. Qf3 g6 18. Bf4 Qb6 19. Re2 Bf6 20. Bh6 Rfd8 21. Rae1 Bg7 22. Bg5 Rd7 23. h4 h6 24. Bf4 Rad8 25. Bc2 Qxb2 26. Bxf5 Qxc3 27. Re3 Qd4 28. Bxe6 fxe6 29. Rxe6 Rf8 30. R6e4 Qd5 31. Qg4 Kh7 32. Bg3 Rdf7 33. Re6 Qf5 34. Qb4 a6 35. R1e3 Qc2 36. Re2 Qd1+ 37. Kh2 Qd5 38. Rd6 Qf5 39. Ree6 Bf6 40. Qb6 Kg7 41. Kg1 g5 42. h5 g4 43. Qb4 Qxh5 44. Re4 Kh7 45. Rxg4 Qf5 46. Rf4 Qc2 47. Qb6 Bg7 48. Rxf7 Rxf7 49. Qe3 Rf5 50. Qd3 1/2-1/2

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.02"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Adams, Oscar"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2228"]
[PlyCount "107"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 c6 3. Nf3 g6 4. Bd3 Bg7 5. h3 Na6 6. c3 Nf6 7. 0-0 Nc7 8. Be3 0-0 9. Nbd2 Be6 10. a4 Nh5 11. Re1 f5 12. exf5 Bxf5 13. Bf1 Be6 14. Ng5 Qd7 15. Nxe6 Nxe6 16. Qg4 Nf6 17. Qh4 Kh8 18. Bd3 Nh5 19. g3 Rf7 20. Ne4 Raf8 21. Re2 Nef4 22. gxf4 Rxf4 23. Bxf4 Rxf4 24. Qg5 Qxh3 25. Qg2 Qxd3 26. Re3 Qc4 27. Ng3 Nxg3 28. fxg3 Rf7 29. Rf3 e5 30. Rxf7 Qxf7 31. dxe5 Bxe5 32. Rf1 Qe7 33. Qf2 Kg7 34. a5 c5 35. Kg2 Bf6 36. Qf3 Be5 37. Qd5 Qd7 38. Rf3 Qe7 39. b4 b6 40. a6 Bf6 41. Qb7 Kf7 42. Re3 Be5 43. bxc5 bxc5 44. Re2 Ke6 45. c4 Qd7 46. Rf2 d5 47. Re2 Qd6 48. Qxa7 dxc4 49. Qxh7 Qc6+ 50. Kh2 Kd5 51. a7 Qa8 52. Qd7+ Bd6 53. Qe6+ Kd4 54. Qe3+ 1-0

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.05.01"]
[Round "2"]
[White "Van Kuijk, Vadim"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1968"]
[BlackElo "2228"]
[PlyCount "57"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be6 7. N5c3 Nf6 8. Bd3 g6 9. Bg5 Bg7 10. Nd5 h6 11. Bxf6 Bxf6 12. Nbc3 0-0 13. 0-0 Rc8 14. b4 Bg5 15. g3 h5 16. f4 exf4 17. gxf4 Bf6 18. e5 dxe5 19. f5 Bxd5 20. Nxd5 Nxb4 21. Nxb4 Qb6+ 22. Kh1 Qxb4 23. fxg6 fxg6 24. Bxg6 Qxc4 25. Qxh5 Qd5+ 26. Rf3 Rc7 27. Rg1 Bg5 28. Bf7+ Rfxf7 29. Rxg5+ 1-0

[Event "NED-ch U18"]
[Site "Almelo"]
[Date "2023.04.30"]
[Round "1"]
[White "Slagboom, Leandro"]
[Black "Van Rootselaar, Rik"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2228"]
[BlackElo "1812"]
[PlyCount "63"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Qc7 9. Be3 b5 10. a4 b4 11. Nd5 Nxd5 12. exd5 0-0 13. a5 Nd7 14. Ra4 Rb8 15. Qd2 f5 16. f4 Nf6 17. Bb6 Qb7 18. Rd1 Ne4 19. Qe3 exf4 20. Qxf4 g5 21. Qf1 Bf6 22. Nd4 Qg7 23. Rxb4 g4 24. Bxa6 Be5 25. g3 Bxa6 26. Qxa6 Qh6 27. Nxf5 Rxf5 28. Rxe4 Rh5 29. Qe2 Kh8 30. Bd4 Bxd4+ 31. Rdxd4 Rxh2 32. Re8+ 1-0

[Event "Leiden Noteboom Memorial 82nd"]
[Site "Leiden"]
[Date "2023.02.26"]
[Round "6"]
[White "Lopez, Jasel"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2406"]
[BlackElo "2191"]
[PlyCount "70"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be6 7. Bd3 Nbd7 8. Nge2 h6 9. Bh4 g5 10. Bg3 Nh5 11. Qc2 Nxg3 12. Nxg3 h5 13. 0-0-0 h4 14. Nf5 Qa5 15. g4 h3 16. f3 0-0-0 17. Kb1 Kb8 18. Rhe1 c5 19. dxc5 Bxc5 20. Nd4 Qc7 21. Bf5 Rhe8 22. Bxe6 fxe6 23. Na4 Bxd4 24. Qxc7+ Kxc7 25. exd4 Kd6 26. Nc3 a6 27. Rd3 Nb8 28. Kc2 Nc6 29. Kd2 Rf8 30. Ke3 Rf6 31. Kf2 Rdf8 32. Ree3 Rf4 33. Kg3 Rxd4 34. Ne2 Rxd3 35. Rxd3 Rc8 1/2-1/2

[Event "Leiden Noteboom Memorial 82nd"]
[Site "Leiden"]
[Date "2023.02.26"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Willemze, Thomas"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2191"]
[BlackElo "2359"]
[PlyCount "79"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be2 cxd4 6. cxd4 Bf5 7. Nc3 e6 8. Be3 Bb4 9. Rc1 Nge7 10. g4 Be4 11. f3 Bg6 12. Nh3 h5 13. Nf4 hxg4 14. fxg4 Be4 15. 0-0 Bxc3 16. Rxc3 Ng6 17. Nh5 Rxh5 18. gxh5 Nh4 19. Bd3 Bxd3 20. Qxd3 Nf5 21. Rxf5 exf5 22. Qxf5 Qh4 23. e6 Qe7 24. exf7+ Qxf7 25. Qg5 Rd8 26. Bf2 Rd6 27. Kg2 Rf6 28. Bg3 Rf5 29. Re3+ Kd7 30. Qg4 Qxh5 31. Qxg7+ Rf7 32. Qg8 Re7 33. Rxe7+ Nxe7 34. Qg7 Qe2+ 35. Kh3 Qf1+ 36. Kh4 Ke8 37. Qh8+ Kd7 38. Qg7 Ke8 39. Qh8+ Kd7 40. Qg7 1/2-1/2

[Event "Leiden Noteboom Memorial 82nd"]
[Site "Leiden"]
[Date "2023.02.25"]
[Round "2"]
[White "Slagboom, Leandro"]
[Black "Pijpers, Arthur"]
[Result "1-0"]
[ECO "B62"]
[WhiteElo "2191"]
[BlackElo "2455"]
[PlyCount "167"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd3 Bd7 8. 0-0-0 a6 9. f4 Be7 10. Nf3 Qa5 11. Kb1 Rd8 12. Qd2 b5 13. Bd3 b4 14. Ne2 Qb6 15. h3 a5 16. f5 0-0 17. g4 a4 18. Ng3 a3 19. Be3 Qa5 20. b3 Ne5 21. Nd4 d5 22. g5 Nxe4 23. Bxe4 dxe4 24. f6 Bc5 25. fxg7 Kxg7 26. Qf2 Be7 27. Nxe4 Bc6 28. Qh4 Bxe4 29. Qxe4 Rc8 30. Rhe1 Ng6 31. h4 Qe5 32. Qg4 Bc5 33. h5 Ne7 34. Bf2 Qc7 35. Rxe6 Bxd4 36. Bxd4+ Kg8 37. Re2 Rfd8 38. Red2 Qc6 39. Qf4 Qe6 40. Qf6 Qxf6 41. Bxf6 Rxd2 42. Rxd2 Kf8 43. Kc1 Nc6 44. Re2 Rc7 45. h6 Rc8 46. Re4 Kg8 47. Kd2 Rb8 48. Kd3 Na5 49. Ke3 Rc8 50. Rxb4 Kf8 51. Rb5 Nc6 52. c4 Ke8 53. Rd5 Nb4 54. Re5+ Kd7 55. Re7+ Kd6 56. Ra7 Ke6 57. Bc3 Nxa2 58. Bd2 Rb8 59. Rxa3 Nb4 60. Bxb4 Rxb4 61. Kd4 Rb8 62. Kc3 Kd6 63. Ra7 Ke6 64. b4 Rg8 65. Ra5 Kd6 66. Rd5+ Kc6 67. Rf5 Kd6 68. c5+ Ke6 69. Rf6+ Kd5 70. Rxf7 Rxg5 71. Rd7+ Kc6 72. Rxh7 Rh5 73. Ra7 Rh3+ 74. Kc4 Rh4+ 75. Kb3 Rxh6 76. Ka4 Rh1 77. Ra6+ Kb7 78. Kb5 Rh7 79. Rg6 Rf7 80. Rd6 Rf4 81. Rd7+ Kc8 82. Rh7 Kb8 83. c6 Rg4 84. Kc5 1-0

[Event "Leiden Noteboom Memorial 82nd"]
[Site "Leiden"]
[Date "2023.02.25"]
[Round "3"]
[White "Van der Werf, Mark"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "2392"]
[BlackElo "2191"]
[PlyCount "63"]
[EventDate "2023.02.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd5 cxd4 6. Qxd4 Be7 7. e4 Nc6 8. Qd2 exd5 9. Bxf6 Bxf6 10. exd5 Ne5 11. Bb5+ Bd7 12. Bxd7+ Qxd7 13. Nge2 0-0 14. 0-0 Rfd8 15. b3 Rac8 16. Rad1 Rc5 17. Qe3 b6 18. h3 Re8 19. Ne4 Rxd5 20. Rxd5 Qxd5 21. Nxf6+ gxf6 22. Nf4 Qb5 23. a4 Qc5 24. Qe4 f5 25. Qe2 Qc8 26. Nh5 Re6 27. Rd1 h6 28. Qb2 Kf8 29. Kh1 Qc6 30. Qd4 Qc5 31. Qd8+ Re8 32. Qf6 1-0

[Event "Groningen Talent m"]
[Site "Groningen"]
[Date "2022.12.26"]
[Round "2"]
[White "Hoeksema, Hendrik Pieter"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2318"]
[BlackElo "2177"]
[PlyCount "27"]
[EventDate "2022.12.26"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. e3 Nf6 4. Ba3 e6 5. d4 Nbd7 6. Be2 b6 7. 0-0 Bb7 8. c4 dxc4 9. Bxc4 Be7 10. dxc5 Bxc5 11. Bxc5 Nxc5 12. Nc3 0-0 13. Qxd8 Rfxd8 14. Rfd1 1/2-1/2

[Event "Groningen Talent m"]
[Site "Groningen"]
[Date "2022.12.26"]
[Round "4"]
[White "Hoeksema, Hendrik Pieter"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2318"]
[BlackElo "2177"]
[PlyCount "57"]
[EventDate "2022.12.26"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Bg5 dxc4 5. Qa4+ Nbd7 6. e4 Be7 7. Nc3 0-0 8. Qxc4 h6 9. Bf4 c5 10. dxc5 Bxc5 11. b4 Be7 12. Be2 a6 13. Bc7 Qe8 14. e5 Nd5 15. Nxd5 exd5 16. Qd4 Nb8 17. a3 Be6 18. 0-0 Nc6 19. Qe3 Qd7 20. Bb6 f6 21. Rad1 Rae8 22. exf6 Bxf6 23. Bc5 Rf7 24. Qd2 Bd8 25. Nd4 b6 26. Nxc6 Qxc6 27. Bd4 Ree7 28. Rc1 Qa4 29. Bb2 1/2-1/2

[Event "Groningen Talent m"]
[Site "Groningen"]
[Date "2022.12.26"]
[Round "1"]
[White "Slagboom, Leandro"]
[Black "Hoeksema, Hendrik Pieter"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2177"]
[BlackElo "2318"]
[PlyCount "79"]
[EventDate "2022.12.26"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Be2 e6 6. h3 Bh5 7. d5 exd5 8. exd5 Bxf3 9. gxf3 Ne5 10. h4 Be7 11. h5 0-0 12. h6 g6 13. f4 Ned7 14. Bf3 Rc8 15. Be3 c5 16. Kf1 Ne8 17. a4 f5 18. Qd2 Bf6 19. Kg2 Bh8 20. a5 Nc7 21. Be2 Nf6 22. Ra4 Qd7 23. b4 Ne4 24. Nxe4 fxe4 25. Ra3 cxb4 26. Qxb4 Na6 27. Qxe4 Rfe8 28. Qf3 Nb4 29. Rb3 Nxc2 30. Bb5 Nxe3+ 31. fxe3 Qf5 32. Bxe8 Qc2+ 33. Kg3 Qxb3 34. Qe4 Kf8 35. Rb1 Qc2 36. Qxc2 Rxc2 37. Rxb7 Bc3 38. Bc6 Bxa5 39. Rxa7 Be1+ 40. Kf3 1-0

[Event "Groningen Talent m"]
[Site "Groningen"]
[Date "2022.12.26"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Hoeksema, Hendrik Pieter"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2177"]
[BlackElo "2318"]
[PlyCount "50"]
[EventDate "2022.12.26"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 b6 9. Qd2 Be7 10. g3 0-0 11. Bh3 f5 12. exf6 Nxf6 13. 0-0-0 c4 14. Qe2 Re8 15. Bf2 Bf8 16. Ng5 b5 17. Bxe6+ Bxe6 18. Nxe6 Qa5 19. f5 b4 20. axb4 Bxb4 21. Nb1 Rab8 22. Be1 Ne4 23. c3 Bd6 24. h4 Qa2 25. Rh2 Na5 0-1

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.11"]
[Round "9"]
[White "Ram, Aravind LN"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2272"]
[BlackElo "2177"]
[PlyCount "108"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. c4 Nf6 8. Nc3 g6 9. b3 Bg7 10. Bb2 0-0 11. Nd5 Nh5 12. Qd2 Bxb2 13. Qxb2 e6 14. Nc3 Qf6 15. 0-0-0 Nf4 16. Ne1 Rfd8 17. Kb1 d5 18. cxd5 exd5 19. Nxd5 Nxd5 20. exd5 Qf5+ 21. Nc2 Rxd5 22. Rxd5 Bxd5 23. f3 Rc8 24. Rc1 Be6 25. Qd4 Qa5 26. Kb2 Rd8 27. Qc3 Qg5 28. Ne3 Qf4 29. h3 b6 30. Rc2 Rc8 31. Nd5 Rxc3 32. Nxf4 Rxc2+ 33. Kxc2 Bd7 34. Kc3 Bc6 35. Kc4 Kf8 36. Nd5 Ke8 37. Ne3 Ke7 38. Kd4 Ke6 39. f4 h5 40. h4 f6 41. g3 Be8 42. b4 Bf7 43. a3 Kd6 44. f5 g5 45. Nd1 Bb3 46. Ne3 Bf7 47. Nf1 Bb3 48. Nd2 Bd5 49. b5 g4 50. a4 Bf7 51. Ne4+ Ke7 52. Nd2 Kd6 53. Ne4+ Ke7 54. Nd2 Kd6 1/2-1/2

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.10"]
[Round "8"]
[White "Slagboom, Leandro"]
[Black "Clemente Llamero, Roberto"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2177"]
[BlackElo "1953"]
[PlyCount "49"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. c3 Nd7 7. Bd3 Bd6 8. Na3 Bxa3 9. bxa3 Ngf6 10. 0-0 0-0 11. Rb1 Re8 12. Rxb7 exd4 13. cxd4 Nxe4 14. Bf4 Ndf6 15. Qb3 Be6 16. Qc2 Bd5 17. Rfb1 h6 18. Bc4 Nd6 19. Bxd5 Nxd5 20. Bxd6 Qxd6 21. Ne5 Qxa3 22. Qf5 Qe3+ 23. Kh1 Nf6 24. Rxf7 Qe4 25. Rxf6 1-0

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.09"]
[Round "7"]
[White "Lohia, Sohum"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2096"]
[BlackElo "2177"]
[PlyCount "114"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 8. Qd2 Bg7 9. 0-0-0 0-0 10. Nb3 f5 11. Bd3 a5 12. a4 Be6 13. exf5 gxf5 14. h3 Rc8 15. Kb1 Nb4 16. g4 Qf6 17. gxf5 Nd5 18. fxe6 Rxc3 19. Rhg1 fxe6 20. Rxg7+ Qxg7 21. bxc3 Nxc3+ 22. Kc1 Nxd1 23. Kxd1 Qg2 24. Qe3 e5 25. Ke2 d5 26. Qg3+ Qxg3 27. fxg3 b6 28. Nd2 Rc8 29. c4 e4 30. Bb1 dxc4 31. Nxc4 Kg7 32. Nd6 Rc3 33. Nxe4 Rc4 34. Ke3 Rxa4 35. Bd3 Rb4 36. Nd6 Rb3 37. Nf5+ Kf6 38. Nd4 Rc3 39. Kd2 Rc5 40. Bxh7 a4 41. Bc2 a3 42. Nb3 Rc4 43. g4 Kg5 44. Kc1 Rc3 45. Kb1 b5 46. Na1 b4 47. Bb3 Rxh3 48. Ka2 Rh2+ 49. Nc2 Kxg4 50. Kb1 Kf4 51. Ka1 Ke5 52. Nxb4 Kd4 53. Nc2+ Kc3 54. Ka2 Rh8 55. Kxa3 Rb8 56. Na1 Ra8+ 57. Ba4 Ra7 1/2-1/2

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.08"]
[Round "6"]
[White "Slagboom, Leandro"]
[Black "Sanchez, Jorge Luis"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2177"]
[BlackElo "2095"]
[PlyCount "95"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Bg4 8. Be3 Nbd7 9. h3 Bxf3 10. Bxf3 e5 11. d5 c5 12. g4 Ne8 13. Qd2 a6 14. Be2 Qe7 15. a5 Kh8 16. Ra4 Nc7 17. b4 Ne8 18. bxc5 Nxc5 19. Rb4 Rc8 20. Rfb1 Qd8 21. Rb6 Rg8 22. Kh2 Rf8 23. Rg1 Qc7 24. Rgb1 Qd8 25. Bf3 Rc7 26. Bg2 f5 27. gxf5 gxf5 28. exf5 Rxf5 29. Bxc5 Rxc5 30. Ne4 Rc4 31. Rxb7 Qh4 32. Qe2 Rd4 33. c3 Ra4 34. Qg4 Qxg4 35. hxg4 Rf8 36. g5 Rxa5 37. c4 Ra2 38. Kg1 a5 39. Ra7 Rc2 40. c5 dxc5 41. Rxa5 h6 42. g6 Nf6 43. Nxc5 Ng4 44. Ne6 Rg8 45. Ra7 Rxf2 46. Nxg7 Rxg7 47. Rb8+ Rg8 48. Rh7# 1-0

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.07"]
[Round "5"]
[White "Docx, Stefan"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2448"]
[BlackElo "2177"]
[PlyCount "83"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. h4 Ne7 10. h5 h6 11. b4 cxb3 12. Nxb3 Ba4 13. Nxa5 Bxd1 14. Rxb6 axb6 15. Nxb7 Ba4 16. Nd6+ Kd7 17. Nxf7 Rg8 18. Bd3 Nf5 19. g4 Ke8 20. gxf5 Kxf7 21. Rg1 Bd7 22. fxe6+ Bxe6 23. Bg6+ Ke7 24. Nh4 Kd7 25. Bh7 Rh8 26. Bd3 Bxa3 27. Rxg7+ Kd8 28. Ng6 Bxc1 29. Nxh8 Bf4 30. Rg6 Ke7 31. Rg7+ Kf8 32. Rg6 Ke7 33. Rg7+ Kf8 34. Rg2 Bf7 35. Bg6 Be6 36. Bc2 Ra1+ 37. Ke2 Ra2 38. Ng6+ Kf7 39. Nxf4 Rxc2+ 40. Ke3 Rxc3+ 41. Kd2 Rb3 42. Rg6 1-0

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.06"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Perez Candelario, Matias"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2177"]
[BlackElo "2009"]
[PlyCount "39"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Qc7 6. Nf3 Bg4 7. h3 Bh5 8. g4 Bg6 9. Ne5 e6 10. h4 f6 11. Nxg6 hxg6 12. Bd3 g5 13. Bg6+ Kd7 14. Qe2 gxh4 15. 0-0-0 Bb4 16. d5 e5 17. dxc6+ bxc6 18. Nb5 cxb5 19. Bxb4+ Kc8 20. Bf5+ 1-0

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.05"]
[Round "3"]
[White "Panjer, Sidney"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2100"]
[BlackElo "2177"]
[PlyCount "123"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 c5 7. Qxc4 a6 8. Qc2 b5 9. Ne5 Nd5 10. Nxd7 Bxd7 11. dxc5 Rc8 12. 0-0 Bxc5 13. Qb3 0-0 14. Bd2 Qe7 15. Nc3 Nxc3 16. Bxc3 b4 17. Bd2 Bb5 18. Bf3 a5 19. Be3 a4 20. Bxc5 Qxc5 21. Qd1 Rfd8 22. Qe1 Qd4 23. Rb1 Kf8 24. Rd1 Qxd1 25. Qxd1 Rxd1 26. Rxd1 Ke7 27. Rd4 Rc4 28. Rxc4 Bxc4 29. a3 bxa3 30. bxa3 Kd6 31. Kf1 Bd5 32. e4 Bc6 33. e5+ Kc5 34. Bxc6 Kxc6 35. Ke2 Kd5 36. Kd3 Kxe5 37. Kc4 Ke4 38. Kb4 Kf3 39. Kxa4 Kxf2 40. Kb3 e5 41. a4 e4 42. a5 e3 43. a6 e2 44. a7 e1Q 45. a8Q Qd1+ 46. Kc4 Qg4+ 47. Kc5 Qh5+ 48. Kd6 Qxh2 49. Ke7 Qh5 50. Qb8 f6 51. Kf8 g5 52. Kg7 Qg6+ 53. Kh8 h5 54. Qb2+ Kg1 55. Qe2 Qh6+ 56. Kg8 h4 57. Qe1+ Kg2 58. Qe2+ Kxg3 59. Qe3+ Kg4 60. Qe2+ Kf5 61. Qd3+ Ke5 62. Qe3+ 1/2-1/2

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.04"]
[Round "2"]
[White "Slagboom, Leandro"]
[Black "Sarveshwaran, V."]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2177"]
[BlackElo "2040"]
[PlyCount "66"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Be7 5. Nf3 Nd7 6. Bd3 Ngf6 7. Nxf6+ Bxf6 8. 0-0 0-0 9. c3 c5 10. Re1 g6 11. Bh6 Bg7 12. Qd2 cxd4 13. cxd4 Nf6 14. h4 b6 15. Rad1 Bb7 16. Bxg7 Kxg7 17. Qf4 Bxf3 18. Qxf3 Qd5 19. Be4 Nxe4 20. Qxe4 Qxe4 21. Rxe4 Rfd8 22. Kf1 Rac8 23. Rd2 Rd5 24. Ke2 Rc1 25. g3 Kf6 26. Re3 Rc4 27. Red3 a5 28. Ke3 Rc6 29. Rc3 Rcd6 30. Rcc2 h5 31. Ke4 Kg7 32. Ke3 Kh6 33. a4 f6 1/2-1/2

[Event "Benidorm op-A"]
[Site "Benidorm"]
[Date "2022.12.03"]
[Round "1"]
[White "Christiansen, Johan Sebastian"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2578"]
[BlackElo "2177"]
[PlyCount "81"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. c3 Nc6 5. d4 Qb6 6. Be2 cxd4 7. cxd4 Nh6 8. Bxh6 Qxb2 9. Nbd2 gxh6 10. 0-0 Bd7 11. Nb3 Rc8 12. Ne1 Nb4 13. Rb1 Qa3 14. Qd2 Qxa2 15. Rb2 Qa3 16. Nf3 Na6 17. Ra1 Qb4 18. Qf4 Bb5 19. Bxb5+ Qxb5 20. Rbb1 Qd3 21. Na5 Bb4 22. Nxb7 0-0 23. Nd6 Rc6 24. Qxh6 Qg6 25. Qe3 Bc3 26. Rc1 Bxa1 27. Rxc6 Nb4 28. Rc1 Bb2 29. Rf1 a5 30. h4 Qd3 31. Qf4 a4 32. Qg5+ Kh8 33. Qe7 Kg8 34. h5 h6 35. Qb7 Qb3 36. Nh2 a3 37. Ng4 a2 38. Nf6+ Kg7 39. Nde8+ Rxe8 40. Nxe8+ Kf8 41. Nd6 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.22"]
[Round "9"]
[White "Weihrauch, Jakob"]
[Black "Slagboom, Leandro"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2075"]
[BlackElo "2117"]
[PlyCount "53"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 0-0 8. dxc5 Nd7 9. Nf3 Nc6 10. Qe3 a6 11. Nbd4 Qa5+ 12. c3 Qxc5 13. 0-0-0 b5 14. Kb1 Rb8 15. Bd3 h6 16. b4 Qb6 17. Bc2 Re8 18. Nxc6 Qxc6 19. Rd4 Bb7 20. Rg4 Kf8 21. Nd4 Qc7 22. Re1 Rbc8 23. Kb2 Nb6 24. Qg3 Nc4+ 25. Kc1 Na3 26. Kd2 a5 27. bxa5 1/2-1/2

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.21"]
[Round "8"]
[White "Slagboom, Leandro"]
[Black "De Boer, Eelke"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2117"]
[BlackElo "2295"]
[PlyCount "145"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nf3 Bc5 6. Nc3 Nge7 7. Nb5 Bb6 8. Be3 Ba5+ 9. c3 a6 10. Nbd4 Bb6 11. Bd3 h6 12. 0-0 d6 13. Nxc6 bxc6 14. Qd2 0-0 15. Rae1 Ng6 16. Nd4 c5 17. Ne2 Ne5 18. Ng3 Be6 19. Kh1 Nf3 20. Nh5 Qh4 21. gxf3 Qxh5 22. Be2 f5 23. Rg1 Kh7 24. c4 Qf7 25. exf5 Bxf5 26. Rg3 Qf6 27. Reg1 Rf7 28. Qd5 Re8 29. Bd3 Re5 30. Bxf5+ Rxf5 31. Qe4 c6 32. Rg6 Qxg6 33. Rxg6 Kxg6 34. Qxc6 Bc7 35. Qxa6 Kh7 36. f4 d5 37. cxd5 Rxd5 38. Qc6 Rdf5 39. Kg2 Bxf4 40. Bxf4 Rxf4 41. Qxc5 R7f5 42. Qe3 h5 43. b3 Rg4+ 44. Kf1 Rfg5 45. a4 Rg6 46. a5 Rg1+ 47. Ke2 Ra1 48. Qe5 Ra2+ 49. Ke3 Kh6 50. b4 Rf6 51. h4 Rfxf2 52. Qg5+ Kh7 53. Qxh5+ Kg8 54. Qe8+ Kh7 55. Qh5+ Kg8 56. a6 Rfb2 57. Qe8+ Kh7 58. Qh5+ Kg8 59. Qe8+ Kh7 60. Qe4+ Kh6 61. Qc4 Ra3+ 62. Kf4 Rxb4 63. Qxb4 Rxa6 64. Qe4 Rf6+ 65. Ke5 Rf8 66. Kd6 Rf6+ 67. Ke7 Rg6 68. Kf7 Rf6+ 69. Kg8 Rg6 70. Kf7 Rf6+ 71. Kg8 Rg6 72. Qf5 Rg2 73. Qh7# 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.20"]
[Round "7"]
[White "Valiente, Paulo"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1819"]
[BlackElo "2117"]
[PlyCount "66"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. dxc5 e6 4. e3 Bxc5 5. c3 Nc6 6. Nf3 f6 7. Nbd2 e5 8. Bg3 Nge7 9. Nb3 Bb6 10. h3 Be6 11. Bh2 Qd7 12. Be2 0-0 13. a4 a6 14. 0-0 Rfd8 15. Re1 Rac8 16. Bf1 Ng6 17. Re2 Qf7 18. Ra3 h6 19. Rd2 f5 20. Bg3 Kh8 21. Be2 f4 22. exf4 Nxf4 23. Bf1 Rf8 24. Bxf4 Qxf4 25. Nc1 e4 26. Nd4 Nxd4 27. cxd4 Bxd4 28. Rxd4 Qxf2+ 29. Kh2 Qf4+ 30. Kg1 Rxc1 31. Rf3 Qxf3 32. gxf3 Rxd1 33. Rxd1 Rxf3 0-1

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.19"]
[Round "5"]
[White "De Winter, Arthur"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2390"]
[BlackElo "2117"]
[PlyCount "109"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 8. g5 Nfd7 9. Be3 b5 10. a3 Bb7 11. Qd2 0-0 12. 0-0-0 Nc6 13. h4 Rb8 14. Rg1 b4 15. axb4 Nxb4 16. Nb3 Qc7 17. f4 Rfc8 18. Kb1 a5 19. Nd4 a4 20. f5 Qa5 21. fxe6 fxe6 22. Bh3 Nc5 23. Nxe6 Nxe4 24. Qd4 Qe5 25. Qxe5 dxe5 26. Nxa4 Nxc2 27. Ba7 Ra8 28. Nb6 Rxa7 29. Nxc8 Bxc8 30. Rc1 Ra6 31. Nc5 Bxc5 32. Bxc8 Bxg1 33. Bxa6 Nb4 34. Bc4+ Kf8 35. Rxg1 Nd2+ 36. Ka1 Nxc4 37. Rg4 Nc2+ 38. Ka2 N4e3 39. Re4 Kf7 40. Rxe5 Ng4 41. Re4 Nce3 42. b4 h5 43. gxh6 gxh6 44. b5 Nd5 45. Rxg4 Nc3+ 46. Kb3 Nxb5 47. h5 Nc7 48. Kc4 Ne6 49. Re4 Ng7 50. Re5 Kf6 51. Kd5 Kf7 52. Ke4 Kf6 53. Ra5 Ne6 54. Ra6 Kf7 55. Ke5 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.19"]
[Round "6"]
[White "Slagboom, Leandro"]
[Black "Bollaart, Jeroen"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2117"]
[BlackElo "1937"]
[PlyCount "91"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. f3 Bb7 7. h4 h6 8. Nge2 Nd7 9. g3 c5 10. dxc5 Ne5 11. Bg2 Nc4 12. Qc1 Nxe3 13. Qxe3 dxc5 14. Rd1 Qc7 15. a4 b4 16. Nd5 Bxd5 17. Rxd5 Rc8 18. c3 Nf6 19. Rd1 0-0 20. e5 Nd7 21. f4 Nb6 22. b3 Rcd8 23. 0-0 e6 24. c4 Nc8 25. Nc1 Rfe8 26. Rd3 Bf8 27. Rfd1 Ne7 28. Be4 Nf5 29. Bxf5 gxf5 30. Qd2 Be7 31. Rd7 Qc6 32. Qd3 Kf8 33. Kf2 Qa8 34. Qf3 Qxf3+ 35. Kxf3 h5 36. Ke2 f6 37. Rxd8 Rxd8 38. Rxd8+ Bxd8 39. Nd3 fxe5 40. Nxc5 Kf7 41. fxe5 a5 42. Kf3 Bb6 43. Nd3 Bd4 44. Kf4 Kg6 45. c5 Kh6 46. c6 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.18"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Zecha, Oscar"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2117"]
[BlackElo "1854"]
[PlyCount "83"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Qe2 0-0 8. Bg5 Nd4 9. Qd2 Nxb3 10. axb3 h6 11. Be3 Bxe3 12. Qxe3 Re8 13. 0-0-0 Qe7 14. f3 c6 15. Qd4 b5 16. Bd3 a5 17. Rhe1 Nh7 18. e5 Nf8 19. f4 a4 20. b4 a3 21. bxa3 Rxa3 22. Kb2 Ra6 23. f5 Bb7 24. Re2 Rea8 25. Ne4 Ra2+ 26. Kc3 R8a4 27. Nc5 R4a3+ 28. Kd2 Qg5+ 29. Ke1 Bc8 30. Kf2 Qh5 31. h4 g5 32. Rh1 g4 33. g3 Ra7 34. Kg2 d6 35. Ne4 Nh7 36. Nxd6 Bd7 37. e6 fxe6 38. fxe6 c5 39. exd7 cxd4 40. d8Q+ Nf8 41. Rf1 Ra8 42. Rxf8+ 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.17"]
[Round "3"]
[White "Bhakti, Kulkarni"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2376"]
[BlackElo "2117"]
[PlyCount "81"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 c5 4. d4 e6 5. cxd5 Nxd5 6. Nc3 Nc6 7. e4 Nxc3 8. bxc3 cxd4 9. cxd4 Bb4+ 10. Bd2 0-0 11. Bxb4 Nxb4 12. Qd2 Qd6 13. Bc4 b6 14. Rb1 Nc6 15. 0-0 Bb7 16. e5 Qd7 17. Bd3 Rfd8 18. Rbd1 Ne7 19. Nh4 Nc6 20. Nf3 Ne7 21. Nh4 Rac8 22. Rfe1 Ng6 23. Nxg6 hxg6 24. Be4 Bxe4 25. Rxe4 Qa4 26. h4 Rd5 27. Qe2 Rc2 28. Rd2 Rc1+ 29. Kh2 Qb4 30. Rd3 Qb1 31. Kg3 Rc2 32. Qf3 Rxa2 33. Rf4 Rd7 34. Qa8+ Kh7 35. Rdf3 Qd1 36. Qe8 Qa4 37. d5 Qb5 38. dxe6 fxe6 39. h5 Qxe5 40. hxg6+ Kh6 41. Qxd7 1-0

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.16"]
[Round "2"]
[White "Slagboom, Leandro"]
[Black "Hovhannisyan, Robert"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2117"]
[BlackElo "2601"]
[PlyCount "104"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Nc3 Qb6 5. a3 Nd7 6. Be3 Be7 7. Be2 a5 8. Nh3 a4 9. Qd2 Qxb2 10. 0-0 Qb6 11. Qe1 Ngf6 12. Qf2 Qa5 13. Bd2 dxe4 14. fxe4 e5 15. Bc4 Qa7 16. Be3 exd4 17. Bxd4 Qxd4 18. Qxd4 Bc5 19. Qxc5 Nxc5 20. e5 Ng4 21. Bxf7+ Ke7 22. Rae1 Be6 23. Ng5 Rhf8 24. Bxe6 Nxe6 25. Rxf8 Rxf8 26. Nxe6 Kxe6 27. Nxa4 Ra8 28. Nc5+ Kd5 29. Nd3 Re8 30. e6 Nf6 31. Kf2 Kd6 32. c4 b6 33. Rb1 Rxe6 34. Rxb6 Ng4+ 35. Kg3 Ne3 36. c5+ Kc7 37. Nb4 Rf6 38. Ra6 Nf1+ 39. Kh4 Rg6 40. Ra7+ Kd8 41. Rf7 Ne3 42. g3 Nc4 43. Rf3 Ne5 44. Rf5 Rh6+ 45. Kg5 Nc4 46. Rf7 Rg6+ 47. Kf4 Nxa3 48. h4 Ke8 49. Rc7 Rf6+ 50. Ke4 Rg6 51. Kf4 Rf6+ 52. Ke4 Rg6 1/2-1/2

[Event "Hoogeveen op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.15"]
[Round "1"]
[White "Snuverink, Marc"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1776"]
[BlackElo "2117"]
[PlyCount "58"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. f4 d5 2. c4 d4 3. e3 Nc6 4. Nf3 e5 5. fxe5 Bc5 6. Bd3 Bg4 7. 0-0 Nxe5 8. Be4 Nf6 9. Qa4+ Bd7 10. Qc2 Bc6 11. Nxe5 Bxe4 12. Qa4+ c6 13. b4 Bd6 14. Nxf7 Kxf7 15. exd4 Qc7 16. Qb3 Bxh2+ 17. Kh1 Qg3 18. Qxg3 Bxg3 19. Nc3 Rhe8 20. Bb2 Kg8 21. d3 Bg6 22. Rf3 Bd6 23. c5 Bc7 24. b5 Rad8 25. bxc6 bxc6 26. d5 Nxd5 27. Ne4 Bxe4 28. dxe4 Rxe4 29. Raf1 Be5 0-1

[Event "Wch U16"]
[Site "Mamaia"]
[Date "2022.09.07"]
[Round "2"]
[White "Razafindratsima, Timothe"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2431"]
[BlackElo "2201"]
[PlyCount "137"]
[EventDate "2022.09.06"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ROU"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 b5 7. a4 b4 8. Nd5 e6 9. Nxf6+ Qxf6 10. Be3 Bb7 11. Qd2 Bxe4 12. f3 Bb7 13. Qxb4 Qe7 14. Nb3 Qc7 15. Na5 Bd5 16. c4 Bc6 17. Qc3 Nd7 18. Bd4 e5 19. Be3 f5 20. b4 Be7 21. b5 Bd5 22. Qb4 Bd8 23. Nb3 a5 24. Qc3 0-0 25. 0-0-0 Be6 26. Kb2 Nc5 27. Bxc5 dxc5 28. Qe3 Rc8 29. g4 fxg4 30. fxg4 Bh4 31. Rg2 Rf4 32. g5 Bxc4 33. Bxc4+ Rxc4 34. Qh3 Re8 35. Rg4 Rxg4 36. Qxg4 Bf2 37. Rd7 Qc8 38. g6 Kh8 39. Nxa5 Rd8 40. Rd5 Qa8 41. Rxd8+ Qxd8 42. Nc4 hxg6 43. Qxg6 Qd4+ 44. Kb3 Be1 45. Qc2 e4 46. b6 Qd5 47. Ka2 e3 48. Qb3 Qg2+ 49. Nb2 Bb4 50. Qxe3 Qc6 51. Qh3+ Kg8 52. Qb3+ Kf8 53. a5 Ke7 54. Qg8 Bxa5 55. b7 Bc7 56. b8Q Bxb8 57. Qxb8 Qa6+ 58. Kb3 Qc6 59. Kc4 Ke6 60. Qg8+ Kf6 61. Qf8+ Kg6 62. Qe7 Qa6+ 63. Kb3 Qc6 64. Qe3 Qg2 65. Qe6+ Kh5 66. Qe8+ Kh4 67. Qh8+ Kg4 68. Qxg7+ Kh3 69. Qxg2+ 1-0

[Event "Hoorn Oscar Romero op"]
[Site "Hoorn"]
[Date "2022.08.28"]
[Round "6"]
[White "Manshanden, Nick"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2065"]
[BlackElo "2201"]
[PlyCount "86"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nd7 12. 0-0 b6 13. Rfe1 Bb7 14. Rad1 Rc8 15. Bd3 h6 16. Bb1 Qc7 17. Rc1 Qd6 18. Qe3 Rfd8 19. Rxc8 Rxc8 20. Rc1 Rxc1+ 21. Qxc1 b5 22. Bd3 a6 23. h3 Kf8 24. Qc3 b4 25. Qc2 Ke7 26. Qa4 Qb6 27. Qc2 a5 28. Qb2 f6 29. Bc2 Qb5 30. Qb3 Nb6 31. Qe3 Kd7 32. Bd3 Qc6 33. d5 exd5 34. Nd4 Qc5 35. e5 Nc4 36. e6+ Kd8 37. Nc6+ Qxc6 38. e7+ Kc7 39. Qg3+ Nd6 40. Bg6 Kd7 41. Qe3 Ne8 42. Bf5+ Kc7 43. Qa7 Qb6 0-1

[Event "Hoorn Oscar Romero op"]
[Site "Hoorn"]
[Date "2022.08.28"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Labruyere, Roger"]
[Result "1-0"]
[ECO "E47"]
[WhiteElo "2201"]
[BlackElo "2070"]
[PlyCount "77"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d6 6. Nge2 Nc6 7. 0-0 e5 8. a3 Bxc3 9. bxc3 Ne7 10. Ng3 Ng6 11. e4 c5 12. Be3 b6 13. f3 Qc7 14. Ra2 Nd7 15. Nf5 Re8 16. d5 Nf6 17. Qc1 Bxf5 18. exf5 Ne7 19. g4 Qc8 20. Bh6 Rd8 21. Qg5 Ne8 22. Bxg7 Nxg7 23. Qxe7 Qd7 24. Qg5 f6 25. Qxf6 Rf8 26. Qg5 Qf7 27. a4 Kh8 28. Kh1 Ne8 29. Be4 Nf6 30. a5 Rg8 31. Qh4 b5 32. cxb5 Nxd5 33. Rd2 Ne3 34. Bxa8 Nxf1 35. Bd5 Qc7 36. Bxg8 Nxd2 37. Bd5 h5 38. Qf6+ Qg7 39. Qxg7+ 1-0

[Event "Hoorn Oscar Romero op"]
[Site "Hoorn"]
[Date "2022.08.27"]
[Round "4"]
[White "Bakija, Alan"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1913"]
[BlackElo "2201"]
[PlyCount "84"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Nb4 5. 0-0 e6 6. Na3 Be7 7. c3 Nc6 8. Nc2 h5 9. Nd2 Nf6 10. Re1 h4 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe4 hxg3 14. fxg3 Bxe4 15. Rxe4 Qd5 16. Qf3 f5 17. Re3 Qd7 18. Qe2 Rh6 19. Rd3 g5 20. b4 0-0-0 21. Ne3 Ne5 22. Rd1 Ng6 23. Re1 Rg8 24. Nf1 Nf4 25. Qf3 Nd5 26. Bd2 Rgh8 27. c4 Nb6 28. Rac1 Bf6 29. c5 Bxd4+ 30. Be3 Bxe3+ 31. Qxe3 Nd5 32. Qa3 Kb8 33. c6 Qd6 34. Rc5 f4 35. Ra5 Qxc6 36. Rc1 Qb6+ 37. Rcc5 fxg3 38. Qxg3 Qxb4 39. Rab5 Qd4+ 40. Kh1 Qe4+ 41. Kg1 Nf4 42. Rb2 Nh3+ 0-1

[Event "Hoorn Oscar Romero op"]
[Site "Hoorn"]
[Date "2022.08.27"]
[Round "3"]
[White "Slagboom, Leandro"]
[Black "Zhu, Chenwu"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2201"]
[BlackElo "2010"]
[PlyCount "151"]
[EventDate "2022.08.26"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nd7 12. 0-0 b6 13. Rfe1 Nf6 14. Rad1 Bb7 15. d5 exd5 16. exd5 Qd7 17. d6 Bxf3 18. gxf3 Rfe8 19. Re3 Rad8 20. Rxe8+ Nxe8 21. Qf4 Nxd6 22. Qe5 h6 23. Bb3 Qc7 24. Kg2 Qc5 25. Rd5 Qc7 26. h4 a6 27. Rd2 Rd7 28. Bc2 Qd8 29. Qd4 b5 30. Bf5 Nxf5 31. Qxd7 Nxh4+ 32. Kh3 Qxd7+ 33. Rxd7 Nxf3 34. Ra7 Ng5+ 35. Kg2 Ne4 36. Rxa6 Nc3 37. a3 h5 38. Rc6 Nb1 39. Rc5 Nxa3 40. Rxh5 Kf8 41. Re5 f6 42. Re4 Nc4 43. f3 Kf7 44. Kf2 f5 45. Re1 Kf6 46. Rb1 Nd6 47. Ke3 Ke5 48. f4+ Kd5 49. Rg1 b4 50. Kd3 b3 51. Rxg7 b2 52. Rg1 Nc4 53. Rb1 Kc5 54. Kc3 Kd5 55. Rd1+ Kc5 56. Re1 Kd5 57. Rd1+ Kc5 58. Re1 Kd5 59. Kc2 Kd4 60. Re8 Kd5 61. Re7 Kd4 62. Re8 Kd5 63. Re2 Kd4 64. Re7 Kd5 65. Rc7 Kd4 66. Rc8 Kd5 67. Rb8 Ke4 68. Rb4 Kd4 69. Ra4 Kc5 70. Ra8 Kd4 71. Rb8 Ke4 72. Kc3 Ne3 73. Rb4+ Kf3 74. Kxb2 Ng2 75. Rb5 Kxf4 76. Rxf5+ 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.19"]
[Round "5"]
[White "Slagboom, Leandro"]
[Black "Verfuerth, Thomas"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2098"]
[BlackElo "2055"]
[PlyCount "63"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Nc6 7. Nc3 Bg7 8. Be3 Nxd4 9. Qxd4 Be6 10. b3 Qa5 11. Rc1 0-0 12. Qd2 Rac8 13. Bd3 Rfd8 14. Ne2 Qxd2+ 15. Kxd2 Nd7 16. h4 Nc5 17. h5 Nxd3 18. Kxd3 a6 19. Bb6 Re8 20. a4 Bd7 21. h6 Rc6 22. a5 Bb2 23. Rb1 Be5 24. g4 e6 25. Bd4 Bxd4 26. Nxd4 Rc5 27. b4 Rc7 28. Rhc1 Rec8 29. g5 Kf8 30. Rc3 e5 31. Ne2 Ke7 32. Ng3 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.17"]
[Round "2"]
[White "Mingachev, Mansur"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2390"]
[BlackElo "2098"]
[PlyCount "71"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 c5 3. dxc5 Qa5+ 4. Bd2 Qxc5 5. Bc3 Nc6 6. Nd2 e5 7. Ngf3 f6 8. Nb3 Qd6 9. Be2 Be6 10. 0-0 0-0-0 11. a4 g5 12. Na5 h5 13. b4 Nxa5 14. bxa5 a6 15. Rb1 Ne7 16. Rb6 Nc6 17. Bb4 Qd7 18. Bxf8 Rdxf8 19. Qd2 Rf7 20. Rfb1 Qe8 21. Ne1 Nd8 22. Nd3 Rc7 23. Nb4 Qxa4 24. Nxa6 Qxc2 25. Qb4 Bf5 26. Nxc7 Qxb1+ 27. Qxb1 Bxb1 28. Nxd5 Ba2 29. Nxf6 Bf7 30. Ne4 g4 31. a6 Kc7 32. axb7 Nxb7 33. Rxb7+ Kxb7 34. Nd6+ Kc6 35. Nxf7 Re8 36. Bb5+ 1-0

[Event "Maastricht Limburg op 14th"]
[Site "Maastricht"]
[Date "2022.06.06"]
[Round "7"]
[White "Slagboom, Leandro"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2098"]
[BlackElo "2295"]
[PlyCount "42"]
[EventDate "2022.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Qxd7 8. Bxg2 Qxd1+ 9. Kxd1 c6 10. b3 Be6 11. e3 0-0-0+ 12. Ke2 Nf6 13. Bb2 Bd6 14. f4 Bf7 15. Bh3 Bh5+ 16. Kf2 g6 17. Kg3 Rhe8 18. Rae1 Bb4 19. Kh4 Rd3 20. e4 Be7 21. exf5 Nd7+ 0-1

[Event "Maastricht Limburg op 14th"]
[Site "Maastricht"]
[Date "2022.06.06"]
[Round "6"]
[White "Zwirs, Nico"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "2475"]
[BlackElo "2098"]
[PlyCount "105"]
[EventDate "2022.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. d4 c6 7. Nbd2 Nbd7 8. Qc2 b6 9. e4 Ba6 10. e5 Ne8 11. Re1 Rc8 12. cxd5 cxd5 13. Qd1 Qc7 14. Nf1 Qc2 15. Qxc2 Rxc2 16. Ne3 Rc6 17. Bd2 Nc7 18. a4 Bd3 19. Rec1 Rxc1+ 20. Rxc1 Rc8 21. Ne1 Ba6 22. Bf1 Bxf1 23. Kxf1 Kf8 24. Nd3 Ke8 25. Ke2 Nb8 26. Bb4 Bxb4 27. Nxb4 Kd7 28. f4 Nca6 29. Rxc8 Kxc8 30. Nxa6 Nxa6 31. h4 Nc7 32. h5 Ne8 33. f5 Kd7 34. Kf3 g6 35. g4 gxf5 36. gxf5 Ke7 37. f6+ Kf8 38. Nc2 Nc7 39. Kf4 Kg8 40. Nb4 a5 41. Nc6 Kh8 42. b3 Kg8 43. Ne7+ Kh8 44. Ke3 h6 45. Kd3 Kh7 46. Kc3 Kh8 47. b4 Na6 48. bxa5 bxa5 49. Nc6 Kg8 50. Nxa5 Kf8 51. Nb7 Ke8 52. Nd6+ Kf8 53. Kb3 1-0

[Event "Maastricht Limburg op 14th"]
[Site "Maastricht"]
[Date "2022.06.05"]
[Round "4"]
[White "Slagboom, Leandro"]
[Black "Sankalp, Gupta"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2098"]
[BlackElo "2505"]
[PlyCount "67"]
[EventDate "2022.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 Bg7 5. Be3 Nf6 6. e5 Nfd7 7. f4 b5 8. Nf3 e6 9. a3 Nb6 10. h4 h5 11. g4 Nc4 12. Bxc4 bxc4 13. gxh5 Rxh5 14. Ne2 Nd7 15. Ng3 Rh8 16. h5 Rb8 17. Rb1 c3 18. b3 Ba6 19. Kf2 Qe7 20. Qg1 Rg8 21. f5 exf5 22. h6 Bf8 23. Nxf5 Qe6 24. Ng7+ Bxg7 25. hxg7 Qf5 26. Qg5 f6 27. Qxf5 gxf5 28. e6 Nb6 29. Nh4 Ke7 30. Bf4 Rbe8 31. Rbe1 Bc8 32. Nxf5+ Kd8 33. e7+ Kd7 34. Rh6 1-0

[Event "Maastricht Limburg op 14th"]
[Site "Maastricht"]
[Date "2022.06.05"]
[Round "5"]
[White "Warmerdam, Max"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2613"]
[BlackElo "2098"]
[PlyCount "87"]
[EventDate "2022.06.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. h3 Bh5 5. c4 e6 6. d4 Nd7 7. cxd5 exd5 8. Nc3 Ngf6 9. Ne5 Nxe5 10. dxe5 Nd7 11. 0-0 Bc5 12. Na4 Qe7 13. Nxc5 Nxc5 14. Be3 0-0 15. Rc1 Nd7 16. g4 Bg6 17. f4 f5 18. g5 Bh5 19. Rf2 Rf7 20. b4 Nb6 21. Bxb6 axb6 22. b5 Qe8 23. Qb3 Re7 24. bxc6 bxc6 25. Rxc6 Qxc6 26. Bxd5+ Bf7 27. Bxc6 Bxb3 28. Bxa8 Bxa2 29. e4 Be6 30. Bd5 fxe4 31. Bxe6+ Rxe6 32. Rc2 b5 33. Kf2 Rb6 34. Rc8+ Kf7 35. f5 b4 36. e6+ Ke7 37. Rg8 g6 38. Rg7+ Ke8 39. Rg8+ Ke7 40. Rg7+ Ke8 41. Rxh7 gxf5 42. g6 e3+ 43. Ke2 Rxe6 44. Rh8+ 1-0

[Event "Groninger Combinatie op"]
[Site "Groningen"]
[Date "2022.05.29"]
[Round "7"]
[White "Bruil, Rembrandt"]
[Black "Slagboom, Leandro"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2122"]
[BlackElo "1997"]
[PlyCount "63"]
[EventDate "2022.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 c6 5. b3 Nbd7 6. Qc2 Bd6 7. Bb2 0-0 8. Be2 b6 9. Rg1 Re8 10. g4 Nf8 11. g5 N6d7 12. h4 Bb7 13. h5 e5 14. Nh4 Ne6 15. Nf5 Bf8 16. g6 fxg6 17. hxg6 h6 18. 0-0-0 Nf6 19. Rg3 Qc7 20. Rdg1 Rad8 21. Nxh6+ gxh6 22. g7 Bxg7 23. Qg6 Kh8 24. Bd3 Rg8 25. f4 Nc5 26. Bc2 d4 27. fxe5 Qxe5 28. exd4 Rxd4 29. Ne2 Ne6 30. Nxd4 Nxd4 31. Rh3 Ne2+ 32. Kd1 1-0

