[Event "Utrecht OKU op 50th"]
[Site "Utrecht"]
[Date "2025.06.01"]
[Round "6"]
[White "Schelvis, Richard"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2185"]
[BlackElo "2261"]
[PlyCount "104"]
[EventDate "2025.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. e4 b5 6. b3 cxb3 7. axb3 e6 8. Bd2 a5 9. Bd3 Na6 10. 0-0 Nb4 11. Bxb4 Bxb4 12. Qxc6+ Bd7 13. Qc2 0-0 14. Qe2 Qe7 15. Ne5 Rfb8 16. Ra2 a4 17. bxa4 bxa4 18. Nxd7 Qxd7 19. Rd1 Ne8 20. e5 Nc7 21. Be4 Nd5 22. Qd3 g6 23. h4 Ra5 24. Qf3 Rc8 25. h5 Kg7 26. g3 Be7 27. Kg2 Rc4 28. hxg6 hxg6 29. Rh1 f5 30. exf6+ Nxf6 31. Qf4 g5 32. Qb8 Qd8 33. Qxd8 Bxd8 34. Bc2 Bb6 35. Nd2 Rxd4 36. Nf3 Rc4 37. Rb1 Nd5 38. Bd3 Rb4 39. Re1 Kf6 40. Rh1 Nc3 41. Rh6+ Ke7 42. Rc2 a3 43. Rxc3 a2 44. Rh7+ Kd6 45. Rc1 g4 46. Nh2 a1Q 47. Rxa1 Rxa1 48. Rg7 Raa4 49. Be2 Ra2 50. Bxg4 Rxf2+ 51. Kh3 Rb1 52. Bf3 Rbb2 0-1

[Event "Utrecht OKU op 50th"]
[Site "Utrecht"]
[Date "2025.06.01"]
[Round "6"]
[White "Schelvis, Richard"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2185"]
[BlackElo "2261"]
[PlyCount "104"]
[EventDate "2025.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. e4 b5 6. b3 cxb3 7. axb3 e6 8. Bd2 a5 9. Bd3 Na6 10. 0-0 Nb4 11. Bxb4 Bxb4 12. Qxc6+ Bd7 13. Qc2 0-0 14. Qe2 Qe7 15. Ne5 Rfb8 16. Ra2 a4 17. bxa4 bxa4 18. Nxd7 Qxd7 19. Rd1 Ne8 20. e5 Nc7 21. Be4 Nd5 22. Qd3 g6 23. h4 Ra5 24. Qf3 Rc8 25. h5 Kg7 26. g3 Be7 27. Kg2 Rc4 28. hxg6 hxg6 29. Rh1 f5 30. exf6+ Nxf6 31. Qf4 g5 32. Qb8 Qd8 33. Qxd8 Bxd8 34. Bc2 Bb6 35. Nd2 Rxd4 36. Nf3 Rc4 37. Rb1 Nd5 38. Bd3 Rb4 39. Re1 Kf6 40. Rh1 Nc3 41. Rh6+ Ke7 42. Rc2 a3 43. Rxc3 a2 44. Rh7+ Kd6 45. Rc1 g4 46. Nh2 a1Q 47. Rxa1 Rxa1 48. Rg7 Raa4 49. Be2 Ra2 50. Bxg4 Rxf2+ 51. Kh3 Rb1 52. Bf3 Rbb2 0-1

[Event "Utrecht OKU op 50th"]
[Site "Utrecht"]
[Date "2025.05.30"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Ozbek, Ahmet Turan"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2261"]
[PlyCount "97"]
[EventDate "2025.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 exd5 7. cxd5 0-0 8. Bd3 Re8 9. Nge2 Nbd7 10. 0-0 a6 11. a4 Rb8 12. Kh1 Ne5 13. Bc2 b5 14. axb5 axb5 15. f4 Nc4 16. b3 Nb6 17. e5 dxe5 18. fxe5 Nfxd5 19. Nxb5 Bg4 20. Ra7 Bh5 21. Nd6 Re7 22. Bg5 Nf6 23. Rxf6 Rxa7 24. g4 gxf6 25. Bxf6 Bg6 26. Bxd8 Rxd8 27. Bxg6 hxg6 28. Qd3 Nc8 29. Ng3 Nxd6 30. exd6 Ra1+ 31. Kg2 Ra2+ 32. Kh3 Rd2 33. Qb1 R2xd6 34. Ne4 Rd3+ 35. Kg2 Bc3 36. Nxc5 Rd2+ 37. Kf3 Bb4 38. Ne4 R8d3+ 39. Kf4 Bd6+ 40. Nxd6 Rxd6 41. b4 Rxh2 42. Qa1 Rhd2 43. Kg5 R6d5+ 44. Kf4 Rd8 45. b5 R2d5 46. b6 Rb5 47. Qa6 Rd4+ 48. Ke3 Rdb4 49. Qa8+ 0-1

[Event "Utrecht OKU op 50th"]
[Site "Utrecht"]
[Date "2025.05.30"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Ozbek, Ahmet Turan"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2261"]
[PlyCount "97"]
[EventDate "2025.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 exd5 7. cxd5 0-0 8. Bd3 Re8 9. Nge2 Nbd7 10. 0-0 a6 11. a4 Rb8 12. Kh1 Ne5 13. Bc2 b5 14. axb5 axb5 15. f4 Nc4 16. b3 Nb6 17. e5 dxe5 18. fxe5 Nfxd5 19. Nxb5 Bg4 20. Ra7 Bh5 21. Nd6 Re7 22. Bg5 Nf6 23. Rxf6 Rxa7 24. g4 gxf6 25. Bxf6 Bg6 26. Bxd8 Rxd8 27. Bxg6 hxg6 28. Qd3 Nc8 29. Ng3 Nxd6 30. exd6 Ra1+ 31. Kg2 Ra2+ 32. Kh3 Rd2 33. Qb1 R2xd6 34. Ne4 Rd3+ 35. Kg2 Bc3 36. Nxc5 Rd2+ 37. Kf3 Bb4 38. Ne4 R8d3+ 39. Kf4 Bd6+ 40. Nxd6 Rxd6 41. b4 Rxh2 42. Qa1 Rhd2 43. Kg5 R6d5+ 44. Kf4 Rd8 45. b5 R2d5 46. b6 Rb5 47. Qa6 Rd4+ 48. Ke3 Rdb4 49. Qa8+ 0-1

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.18"]
[Round "5"]
[White "Grooten, Tommy"]
[Black "Terlouw, Wouter"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2261"]
[BlackElo "2227"]
[PlyCount "64"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. Ne5 Qc8 8. 0-0 Nc6 9. Nxd7 Qxd7 10. Nc3 Be7 11. d3 Rc8 12. Bg5 b6 13. Rfc1 h6 14. Bxf6 Bxf6 15. Bxc6 Qxc6 16. Rab1 h5 17. h4 Bxc3 18. Qxc3 0-0 19. Qa3 Qd7 20. b4 cxb4 21. Qxb4 Rxc1+ 22. Rxc1 Rc8 23. Rxc8+ Qxc8 24. Qb5 g6 25. e4 Qb7 26. Kg2 a6 27. Qe5 Kf8 28. d4 Ke7 29. Qg5+ Ke8 30. Qe5 Ke7 31. Qg5+ Ke8 32. Qe5 Ke7 1/2-1/2

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.18"]
[Round "6"]
[White "Van Doren, Bas"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2148"]
[BlackElo "2261"]
[PlyCount "154"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Nge7 9. c4 Bxe3 10. Qxe3 0-0 11. 0-0 d6 12. Nc3 e5 13. Rad1 Be6 14. c5 Bxb3 15. axb3 Nd4 16. cxd6 Qxd6 17. Bc4 b5 18. Bd5 Nxd5 19. Nxd5 f5 20. f4 fxe4 21. fxe5 Qxd5 22. Rxf8+ Rxf8 23. Rxd4 Qxe5 24. Qxe4 Qf6 25. h3 Qf2+ 26. Kh2 Qxb2 27. Qe6+ Kh8 28. Qf7 Qa3 29. Qe6 Qc5 30. Qd6 Qf5 31. Rd3 Qc8 32. Rg3 Rf6 33. Qe7 Qf8 34. Qc7 h6 35. Rd3 Qf7 36. Rd8+ Kh7 37. Qc2+ Qg6 38. Qc8 Qe4 39. Rh8+ Kg6 40. Re8 Qf4+ 41. Kg1 Qf5 42. Qc3 Kh7 43. Re3 Re6 44. Rxe6 Qxe6 45. Qd3+ Qg6 46. Qd5 Qc2 47. Kh2 Qc7+ 48. Kh1 Qb8 49. b4 Qb6 50. Qd2 Qe6 51. Kg1 Kg6 52. Qd3+ Kf6 53. Qd2 Ke7 54. Qd4 Qf6 55. Qe3+ Kd6 56. Qc5+ Ke6 57. Qc6+ Ke5 58. Qc3+ Ke4 59. Qc2+ Ke3 60. Qc1+ Kd3 61. Kh1 Qc3 62. Qf1+ Kc2 63. Qf5+ Kb3 64. Qe6+ Kxb4 65. Qxa6 Qe1+ 66. Kh2 Qe5+ 67. Kh1 Kb3 68. Qg6 b4 69. Qb1+ Ka3 70. Qc1+ Ka2 71. Qc2+ Qb2 72. Qc4+ b3 73. Kh2 Qe5+ 74. Kh1 Kb2 75. Qd3 Qc3 76. Qd5 Kb1 77. Kh2 Qc7+ 0-1

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.17"]
[Round "3"]
[White "Grooten, Tommy"]
[Black "Darie, Aden"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2261"]
[BlackElo "1905"]
[PlyCount "63"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 f5 5. 0-0 Nf6 6. d4 Be7 7. d5 0-0 8. Nd4 Qc8 9. Nc3 Na6 10. a3 Nc5 11. f3 a5 12. e4 g6 13. e5 Ne8 14. f4 Ng7 15. Be3 a4 16. Qc2 d6 17. Rad1 Rd8 18. Na2 dxe5 19. fxe5 Ne4 20. Nc3 Nxc3 21. Qxc3 Bc5 22. Nb5 Bxe3+ 23. Qxe3 Ne8 24. g4 exd5 25. gxf5 d4 26. Qg5 Bxg2 27. Qxg2 c6 28. Nxd4 Rd7 29. Nxc6 g5 30. f6 Kh8 31. Rxd7 Qxd7 32. f7 1-0

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.17"]
[Round "4"]
[White "Haitjema, Jarich"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2020"]
[BlackElo "2261"]
[PlyCount "80"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. a3 Nc6 8. Bd3 Be7 9. 0-0 0-0 10. Qe2 b6 11. Qe4 g6 12. Bh6 Re8 13. Nbd2 dxe5 14. dxe5 Bb7 15. Rfd1 Qc7 16. Rac1 Rac8 17. h4 Qb8 18. h5 Red8 19. Bb1 Rc7 20. hxg6 hxg6 21. Nc4 Rdd7 22. Ng5 Bxg5 23. Bxg5 b5 24. Qh4 Nxe5 25. Rxd5 Rxc4 26. Rxd7 Rxh4 27. Rd8+ Qxd8 28. Bxd8 Rg4 29. g3 Rc4 30. Rd1 Kg7 31. Ba5 Nf3+ 32. Kf1 Bc6 33. Bc3+ f6 34. Bd3 Rc5 35. Be2 Rh5 36. Bxf3 Bxf3 37. Rd7+ Kf8 38. Bb4+ Kg8 39. Rd8+ Kh7 40. Rd7+ Kh6 0-1

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.17"]
[Round "2"]
[White "Simons, Rudy"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1979"]
[BlackElo "2261"]
[PlyCount "105"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Bd3 Bb7 9. 0-0 Bd6 10. h3 Bf4 11. Qe2 0-0 12. g3 Bxc1 13. Raxc1 Nc6 14. Nf3 Ne5 15. Nxe5 Qxe5 16. Qe3 d5 17. exd5 Qxe3 18. fxe3 exd5 19. cxd5 Nxd5 20. Nxd5 Bxd5 21. Rc7 Rfe8 22. e4 Be6 23. h4 b5 24. Kf2 Rad8 25. Rc3 Rd4 26. Ke3 Red8 27. Rf2 h6 28. Bf1 Rd1 29. Bg2 Bc4 30. Bf3 Rg1 31. Kf4 Rd6 32. g4 Rf6+ 33. Ke3 g5 34. hxg5 hxg5 35. Kd4 Rg3 36. e5 Rf4+ 37. Kc5 Rgxg4 38. Bxg4 Rxf2 39. b3 Be2 40. Bd7 Rf3 41. Rxf3 Bxf3 42. e6 fxe6 43. Bxe6+ Kg7 44. Kb6 Kf6 45. Bc8 Be2 46. a4 b4 47. Ka5 Ke5 48. Kxb4 Kd4 49. Ka5 Kc5 50. b4+ Kc6 51. b5+ axb5 52. axb5+ Bxb5 53. Bg4 1/2-1/2

[Event "Eindhoven WLC op 15th"]
[Site "Eindhoven"]
[Date "2025.05.16"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Geboers, Jimmy"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2261"]
[BlackElo "1933"]
[PlyCount "58"]
[EventDate "2025.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB21_2025"]
[SourceDate "2025.05.21"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.21"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. Nc3 Bg7 7. d4 cxd4 8. Nxd4 Bxg2 9. Kxg2 Nc6 10. Nc2 0-0 11. e4 d6 12. Be3 Qc8 13. h3 Qe6 14. Nd4 Nxd4 15. Qxd4 Ng4 16. Qd3 Ne5 17. Qc2 Nxc4 18. Bf4 Rfc8 19. Rac1 h6 20. h4 Ne5 21. Qe2 Qc4 22. Qxc4 Nxc4 23. Nd5 Kf8 24. b3 Na3 25. Nc7 Rab8 26. Na6 Ra8 27. Nc7 Rab8 28. Na6 Ra8 29. Nc7 Rab8 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "6"]
[White "Beeke, Bobby"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2200"]
[BlackElo "2261"]
[PlyCount "94"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 Be7 6. Nc3 a6 7. Bg2 0-0 8. 0-0 d6 9. b3 Qc7 10. Bb2 Bd7 11. Rc1 Nc6 12. Nd5 Qd8 13. Nxe7+ Qxe7 14. Nc2 Rfd8 15. Ne3 Rac8 16. Qd2 e5 17. Rfd1 Be6 18. Ba3 Nd4 19. Nc2 Nxc2 20. Rxc2 Bf5 21. Rcc1 Ne4 22. Qd3 Nxf2 23. Qxf5 Nxd1 24. Rxd1 b5 25. Rxd6 bxc4 26. Rxd8+ Qxd8 27. Bd5 c3 28. Bxf7+ Kh8 29. Bc4 Qd4+ 30. Kg2 Rd8 31. Bd3 e4 32. Bc5 Qd5 33. Qxe4 Qxe4+ 34. Bxe4 Rd2 35. Kf2 Rxa2 36. Ke3 c2 37. Kd2 c1Q+ 38. Kxc1 Rxe2 39. Bd3 Rxh2 40. Bxa6 Rh3 41. Bf2 h5 42. b4 g5 43. Kd2 h4 44. gxh4 g4 45. Bc8 Rb3 46. Bxg4 Rxb4 47. Bf3 Rb2+ 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "3"]
[White "Grooten, Tommy"]
[Black "Baselmans, Luuk"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2261"]
[BlackElo "2393"]
[PlyCount "99"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 c5 4. Bg2 Nc6 5. 0-0 e5 6. d3 Nf6 7. e3 Be7 8. exd4 exd4 9. Re1 0-0 10. Bf4 Bd6 11. Ne5 Nxe5 12. Bxe5 Bxe5 13. Rxe5 Qd6 14. Re1 Bf5 15. Qc2 Rae8 16. Nd2 Qd7 17. a3 a5 18. Nf3 Rxe1+ 19. Rxe1 Re8 20. Rxe8+ Qxe8 21. Qd2 b6 22. h3 h6 23. b4 axb4 24. axb4 Qa4 25. bxc5 bxc5 26. Ne5 Nd7 27. Nxd7 Bxd7 28. Kh2 Bf5 29. Qe2 Qd7 30. g4 Qd6+ 31. Kg1 Be6 32. Qe4 g6 33. f4 f5 34. gxf5 Bxf5 35. Qe8+ Kg7 36. Bd5 Qf8 37. Qe5+ Kh7 38. Qc7+ Kh8 39. Qe5+ Qg7 40. Qe8+ Kh7 41. Be4 Bxh3 42. Qc6 Bf5 43. Qxc5 Bxe4 44. dxe4 d3 45. Qd5 Qa1+ 46. Kf2 Qb2+ 47. Kg3 d2 48. Qd7+ Kg8 49. Qd8+ Kf7 50. Qd7+ 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "7"]
[White "Grooten, Tommy"]
[Black "Cernov, Henrik"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2261"]
[BlackElo "2325"]
[PlyCount "75"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. a3 d6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Nc3 Re8 9. Re1 e5 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. e4 Re8 13. Bg5 h6 14. Bf4 Be6 15. Nd5 Nd7 16. Qd2 g5 17. Be3 c6 18. Nc3 Ne5 19. b3 Qf6 20. Rac1 Nf3+ 21. Bxf3 Qxf3 22. Qe2 Bg4 23. Qxf3 Bxf3 24. Bd2 Re6 25. Re3 Bxc3 26. Bxc3 Bxe4 27. f3 Bf5 28. Rce1 Rae8 29. Kf2 Bc2 30. b4 Bb3 31. Rxe6 Rxe6 32. Rxe6 fxe6 33. c5 dxc5 34. bxc5 Kf7 35. Ke3 Bd5 36. f4 Kg6 37. fxg5 hxg5 38. h4 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "9"]
[White "Grooten, Tommy"]
[Black "Chernov, Vadim A"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2261"]
[BlackElo "2296"]
[PlyCount "52"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. a3 d6 5. Nc3 g6 6. e4 Bg7 7. Be2 0-0 8. d5 exd5 9. cxd5 Ne7 10. 0-0 c6 11. dxc6 Nxc6 12. Bf4 Re8 13. Qc2 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 16. Rad1 Qf5 17. Qxf5 Bxf5 18. Rd2 Rad8 19. Rfd1 Rxd2 20. Rxd2 h6 21. h4 Na5 22. Bb5 Re4 23. Be3 b6 24. Rd8+ Kh7 25. b4 Nb7 26. Nd4 Nxd8 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "5"]
[White "Grooten, Tommy"]
[Black "Smeets, Kobe"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2261"]
[BlackElo "2347"]
[PlyCount "81"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Be2 Bb7 8. 0-0 a6 9. e4 Nd7 10. e5 Ne7 11. Ne4 Nd5 12. Bd2 Be7 13. Nfg5 Qb6 14. Bg4 Qxd4 15. Nxf7 Kxf7 16. Bxe6+ Ke8 17. Qg4 Nc5 18. Nd6+ Bxd6 19. Qxd4 Nxe6 20. Qg4 Be7 21. Qxe6 Rd8 22. Bg5 Rd7 23. Bxe7 Rxe7 24. Qd6 Rf8 25. e6 Nc7 26. f4 Rf5 27. Rad1 Nxe6 28. Rfe1 Kf7 29. Rxe6 Rxe6 30. Qd7+ Kf6 31. Qxb7 Rxf4 32. Qc7 Rf5 33. a5 b4 34. Qc8 c3 35. bxc3 bxc3 36. Qxa6 c2 37. Rc1 Rd6 38. Qe2 Rxa5 39. Qxc2 Rf5 40. Qc3+ Kg6 41. Qg3+ 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Swierzy, Lev Leon"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2261"]
[PlyCount "67"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. d4 e6 6. Nc3 Bb4 7. Be2 0-0 8. Be3 c6 9. 0-0 Bd6 10. Qc2 Re8 11. e5 Bc7 12. Ne4 N8d7 13. Neg5 g6 14. h4 Nd5 15. h5 Nf8 16. Bd2 b6 17. Qxc6 Bd7 18. Qc2 Bc8 19. Rac1 Bb7 20. Bb5 Re7 21. Ne4 a6 22. Bd3 a5 23. Bg5 Rc8 24. Qb1 Nb4 25. Bxe7 Qxe7 26. Nf6+ Kg7 27. Be4 Bxe4 28. Qxe4 Nxa2 29. h6+ Kh8 30. Rc4 b5 31. Rc5 Nd7 32. Nxd7 Qxd7 33. Qf4 Nb4 34. Qf6+ 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "4"]
[White "Rogozyanskiy, Alexander"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B82"]
[WhiteElo "1921"]
[BlackElo "2261"]
[PlyCount "88"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 b5 8. Bd3 Bb7 9. Qf3 b4 10. Nce2 Nbd7 11. g4 h6 12. 0-0-0 Rc8 13. Ng3 Be7 14. h4 h5 15. g5 Ng4 16. Bd2 Qb6 17. Nxh5 Qxd4 18. Kb1 Rxh5 19. Qxg4 g6 20. Rhe1 Qh8 21. Bxb4 Nb6 22. f5 Rxh4 23. Qg1 Na4 24. c3 gxf5 25. Bc2 Bc6 26. Qa7 Bb5 27. e5 Rxb4 28. cxb4 Qh2 29. Bxa4 Bxa4 30. Qxa6 Qc2+ 31. Ka1 d5 32. b5 Ba3 33. Rb1 Qc4 34. g6 Bf8 35. Rh1 Bxb5 36. gxf7+ Kxf7 37. Rh7+ Bg7 38. Qa7+ Rc7 39. Qg1 Kg8 40. Rh3 d4 41. Rh4 Ra7 42. a3 Qc5 43. Qxd4 Rxa3+ 44. bxa3 Qxa3# 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "8"]
[White "Schneider, Ilja"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2417"]
[BlackElo "2261"]
[PlyCount "111"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bg7 7. Bb2 Nf6 8. 0-0-0 0-0 9. f3 h5 10. Kb1 Bd7 11. Nge2 a6 12. h3 h4 13. Nd5 Nh5 14. Bxg7 Kxg7 15. Qg5 e6 16. Qxd8 Rfxd8 17. Nb6 Rab8 18. Rxd6 Be8 19. Rxd8 Rxd8 20. Kc1 g5 21. Rg1 Ne5 22. Nc3 Rd6 23. Nc4 Nxc4 24. Bxc4 b5 25. Bd3 Nf4 26. Kd2 Kf6 27. e5+ Kxe5 28. Re1+ Kd4 29. Re4+ Kc5 30. Re5+ Kb4 31. Rxg5 Ka3 32. Ne4 Rd8 33. Rg8 Ra8 34. Bf1 f5 35. Nc5 Kxa2 36. Nxa6 Rxa6 37. Rxe8 Kb2 38. Ke3 Nd5+ 39. Kd4 Kxc2 40. Bxb5 Ra1 41. Rxe6 Nf4 42. Rc6+ Kd2 43. Ke5 Nxg2 44. Kxf5 Ke3 45. Kg4 Ra7 46. Re6+ Kf2 47. Be8 Rg7+ 48. Bg6 Rb7 49. f4 Rxb3 50. f5 Rg3+ 51. Kh5 Nf4+ 52. Kh6 Nxe6 53. fxe6 Rxh3 54. e7 Re3 55. e8Q Rxe8 56. Bxe8 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2025.05.03"]
[Round "2"]
[White "Timmer, Michel"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1875"]
[BlackElo "2261"]
[PlyCount "93"]
[EventDate "2025.05.03"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB19_2025"]
[SourceDate "2025.05.07"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.07"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bb5+ Bd7 6. Bc4 e6 7. 0-0 Nc6 8. d4 cxd4 9. Bxd5 exd5 10. Bf4 dxe5 11. Bxe5 Nxe5 12. Nxe5 Be7 13. Qxd4 Be6 14. Nd2 0-0 15. Rfe1 Qc7 16. Nb3 Rfe8 17. Nf3 Bf6 18. Qd3 Qb6 19. Qc2 Rac8 20. Rad1 g6 21. Nbd4 Bg4 22. Rxe8+ Rxe8 23. h3 Bd7 24. Qb3 Qxb3 25. Nxb3 Bc6 26. Nbd4 Ba4 27. Rd2 b6 28. Ne2 Bc6 29. Ned4 Bb7 30. Nb5 Rd8 31. a3 a6 32. Nbd4 Kg7 33. Nh2 h5 34. g4 Re8 35. Kg2 hxg4 36. hxg4 Bg5 37. Rc2 Re4 38. f3 Re1 39. Nf1 Bc8 40. Nd2 Bd7 41. N2b3 Ba4 42. Kf2 Bh4+ 43. Kg2 Bf6 44. Rd2 Bg5 45. Rc2 Bf4 46. Rf2 Rb1 47. Re2 0-1

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Dgebuadze, Alexandre"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2200"]
[BlackElo "2417"]
[PlyCount "30"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. 0-0 h5 7. h4 e5 8. Nb3 Be7 9. Bg5 Nbd7 10. e4 dxe4 11. Nc3 0-0 12. Bxf6 Nxf6 13. Nxe4 Nxe4 14. Bxe4 Qxd1 15. Rfxd1 Rb8 1-0

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "7"]
[White "Grooten, Tommy"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2200"]
[BlackElo "2737"]
[PlyCount "108"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 c5 7. d3 0-0 8. Bd2 d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. Qc2 Nc6 12. Bc3 Rac8 13. Bxg7 Kxg7 14. Qc3+ f6 15. a3 Rfd8 16. h4 Nd4 17. Rfe1 Qd6 18. Nxd4 cxd4 19. Qd2 Bxg2 20. Kxg2 Rc5 21. Rac1 Rdc8 22. Rxc5 Rxc5 23. Kg1 Qc7 24. e3 dxe3 25. Rxe3 e5 26. h5 gxh5 27. Re4 Rc1+ 28. Kg2 Qc6 29. Qe3 Kg6 30. d4 f5 31. d5 Qxd5 32. Qxc1 Qxe4+ 33. Kg1 h4 34. gxh4 Qxh4 35. Qc7 Qg4+ 36. Kf1 Qd1+ 37. Kg2 Qd5+ 38. Kg1 Qd4 39. Qxa7 Qxb2 40. Qb8 Qc1+ 41. Kg2 Qc6+ 42. Kg1 Qe6 43. a4 Kh5 44. Qd8 e4 45. a5 bxa5 46. Qxa5 h6 47. Qc3 Qg6+ 48. Kf1 Qa6+ 49. Kg2 Qd3 50. Qc8 Qf3+ 51. Kg1 Kh4 52. Qe6 h5 53. Qd6 e3 54. Qe7+ Kh3 0-1

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "5"]
[White "Grooten, Tommy"]
[Black "Smeets, Kobe"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2200"]
[BlackElo "2380"]
[PlyCount "61"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 cxd4 8. Nxd4 Bd7 9. 0-0 Be7 10. Ndb5 0-0 11. e4 Nc6 12. Bf4 a6 13. Nd6 e5 14. Bg5 Bg4 15. f3 Bxd6 16. Bxf6 Bc5+ 17. Kh1 Qxf6 18. fxg4 Qe7 19. Nd5 Qh4 20. Rf3 Rad8 21. Qf1 Rd6 22. b4 Ba7 23. Rd1 Nd4 24. Rh3 Qxg4 25. Rdd3 Ne2 26. Ne7+ Kh8 27. Rxd6 Nf4 28. Rg3 Qh5 29. Qf3 Qxf3 30. Rxf3 g6 31. g3 1-0

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "3"]
[White "Ivic, Velimir"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2622"]
[BlackElo "2200"]
[PlyCount "131"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 d5 4. Qe2 Be7 5. g3 Nc6 6. Bg2 Nf6 7. a4 0-0 8. 0-0 b6 9. Na3 Bb7 10. Bf4 Rc8 11. e5 Ne8 12. h4 a6 13. c3 Na5 14. Nd2 Bc6 15. Nc2 b5 16. axb5 Bxb5 17. c4 Bc6 18. Ra2 dxc4 19. dxc4 Bxg2 20. Kxg2 Rb8 21. Nf3 Qb6 22. Rfa1 Nb3 23. Rxa6 Qd8 24. Rd1 Qc8 25. Ra7 Rb7 26. Rxb7 Qxb7 27. Rd3 Nc7 28. Rd7 Re8 29. Kh2 Qc6 30. Rd3 Rb8 31. Qe3 Qa4 32. Na3 Na5 33. Qc1 Na6 34. Bg5 Bf8 35. Rd8 Rxd8 36. Bxd8 Nc6 37. Bg5 Qb3 38. Qc3 Qxc3 39. bxc3 Be7 40. Be3 Kf8 41. h5 h6 42. Kg2 Bd8 43. Nb5 Na5 44. Nd2 Ke7 45. f4 Bb6 46. Kf3 Nb7 47. g4 Nc7 48. Ke4 Na6 49. f5 exf5+ 50. gxf5 f6 51. e6 Nd6+ 52. Nxd6 Kxd6 53. Bf4+ Kc6 54. Nf1 Ba5 55. Bd2 Nc7 56. Ne3 Ne8 57. Be1 Nd6+ 58. Kd3 Nc8 59. Nd5 Bd8 60. Bg3 Ne7 61. Ke4 Nc8 62. Bf4 Ne7 63. Nxf6 Nxf5 64. Kxf5 Bxf6 65. Bxh6 Bxc3 66. Bf4 1-0

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "4"]
[White "Pham, Khoi"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A61"]
[WhiteElo "2373"]
[BlackElo "2200"]
[PlyCount "88"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. Bf4 0-0 9. e3 a6 10. a4 Re8 11. Nd2 Nh5 12. Bh2 Qh4 13. Be2 Nd7 14. g4 Rxe3 15. Nf3 Rxf3 16. Bxf3 Bd4 17. 0-0 Ne5 18. Ne4 Qxh3 19. Bg2 Qxg4 20. Qxg4 Bxg4 21. Bxe5 Bxe5 22. Rfe1 Nf4 23. Bf1 Nxd5 24. Rab1 Bf5 25. f3 Bd4+ 26. Kh1 Nb4 27. Rbd1 d5 28. Nd6 Bc2 29. Rd2 Rd8 30. Nxb7 Rd7 31. Re8+ Kg7 32. Nd8 Bf6 33. Nc6 Bxa4 34. Nxb4 cxb4 35. Ra8 Rc7 36. Bxa6 Rc1+ 37. Kg2 Bc6 38. Rc8 Bg5 39. Re2 d4 40. Kg3 h5 41. Bd3 h4+ 42. Kh2 Bf4+ 43. Kg2 h3+ 44. Kf2 h2 0-1

[Event "Delft OGD Rapid op 24th"]
[Site "Delft"]
[Date "2025.03.15"]
[Round "6"]
[White "Warmerdam, Max"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2630"]
[BlackElo "2200"]
[PlyCount "66"]
[EventDate "2025.03.15"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CB12_2025"]
[SourceDate "2025.03.19"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. b3 Be7 4. Bb2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 c5 8. d3 d6 9. Nc3 Nbd7 10. e4 a6 11. Ne1 Rb8 12. Nc2 Ba8 13. f4 b5 14. Ne3 Nb6 15. cxb5 d5 16. exd5 exd5 17. Nf5 d4 18. Ne4 Nxe4 19. dxe4 axb5 20. Rc1 g6 21. Nh6+ Kg7 22. Ng4 f5 23. Nf2 Qd7 24. Re1 Kg8 25. Nd3 Rfc8 26. exf5 Bxg2 27. fxg6 Ba8 28. gxh7+ Kh8 29. Nxc5 Bxc5 30. Rxc5 Rxc5 31. Qxd4+ Qxd4+ 32. Bxd4+ Kxh7 33. Bxc5 Nd5 0-1

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.30"]
[Round "9"]
[White "Sharma, Dinesh Kumar"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2200"]
[BlackElo "2153"]
[PlyCount "123"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h3 Nc6 8. Bg2 Be7 9. Be3 a6 10. Qe2 Nxd4 11. Bxd4 e5 12. Be3 Be6 13. f4 exf4 14. Bxf4 Rc8 15. Qd2 Nd7 16. 0-0-0 Ne5 17. Bxe5 dxe5 18. Qxd8+ Bxd8 19. Nd5 0-0 20. Bf3 Bh4 21. c3 Rc5 22. Kb1 b5 23. Nb4 Rc7 24. Nxa6 Bxa2+ 25. Kxa2 Ra8 26. Kb3 Rxa6 27. Rd5 b4 28. cxb4 Rb6 29. b5 Rcb7 30. Be2 Rf6 31. Rf1 Rxf1 32. Bxf1 f6 33. Kb4 Bf2 34. Rd6 Kf8 35. Bc4 Ke7 36. Ra6 Kd7 37. Be6+ Ke7 38. Bd5 Ra7 39. Rc6 Be1+ 40. Kb3 Bf2 41. Rc8 Kd7 42. Rc2 Bd4 43. Kb4 Be3 44. h4 Rc7 45. Bc6+ Kd6 46. Re2 Bd4 47. Rg2 Be3 48. Rg3 Bf2 49. Rd3+ Bd4 50. g5 hxg5 51. hxg5 fxg5 52. Rg3 Rf7 53. Rxg5 Kc7 54. Bd5 Re7 55. Rg6 Bxb2 56. b6+ Kb8 57. Kb5 Bd4 58. Rg2 Kc8 59. Rc2+ Kd7 60. b7 Ba7 61. Rc8 g5 62. Ka6 1-0

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.29"]
[Round "8"]
[White "Zecha, Oscar"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2134"]
[BlackElo "2153"]
[PlyCount "92"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. Be3 Be7 9. Nb3 a6 10. Qe2 b5 11. 0-0-0 Bb7 12. Nc5 Bc8 13. h4 b4 14. N3a4 Qa5 15. Nb6 dxc5 16. Nxa8 Bb7 17. g5 hxg5 18. hxg5 Nxe4 19. Bf4 Nd4 20. Nc7+ Kf8 21. Qc4 b3 22. cxb3 Qxa2 23. Rxd4 cxd4 24. Qa4 Qxa4 25. bxa4 Rh4 26. Be5 Nc5 27. g6 Re4 28. Bg3 d3 29. Kd2 Rc4 30. Be5 Rc2+ 31. Ke3 d2 32. Be2 Ne4 33. Bd1 Rc1 34. Bd4 Rxc7 35. gxf7 Bf6 36. Bxf6 Nxf6 37. Kxd2 Kxf7 38. Be2 Ne4+ 39. Ke3 Nd6 40. Rd1 Nf5+ 41. Kf4 Kf6 42. Bf3 g5+ 43. Kg4 Rc4+ 44. Kh3 Bxf3 45. Rd4 Rxd4 46. Kh2 Rh4+ 0-1

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.28"]
[Round "7"]
[White "Grooten, Tommy"]
[Black "Dolzhikova, Kateryna"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2153"]
[BlackElo "2322"]
[PlyCount "48"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 a5 4. b5 Bg7 5. Bb2 a4 6. a3 c6 7. Nc3 Qa5 8. Qc2 0-0 9. e4 Rd8 10. d4 d5 11. cxd5 cxd5 12. e5 Nh5 13. g3 f6 14. 0-0-0 Bg4 15. Be2 e6 16. h3 Bxf3 17. Bxf3 fxe5 18. dxe5 Nd7 19. Kb1 Nxe5 20. Bxh5 gxh5 21. Qe2 Nc4 22. Nxd5 Nxb2 23. Ne7+ Kh8 24. Rxd8+ Qxd8 0-1

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.27"]
[Round "6"]
[White "Vijayakumar, Rishi"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "A73"]
[WhiteElo "2204"]
[BlackElo "2153"]
[PlyCount "95"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 Na6 10. 0-0 Nc7 11. Re1 a6 12. a4 Rb8 13. a5 Bd7 14. h3 Re8 15. Bf3 Bb5 16. Nf1 Bxf1 17. Kxf1 Nb5 18. Bf4 Nd4 19. e5 Nxf3 20. Qxf3 dxe5 21. Rxe5 Qd7 22. Rae1 Nh5 23. Rxe8+ Rxe8 24. Rxe8+ Qxe8 25. Be3 Bd4 26. Bxd4 cxd4 27. Qe4 Qxe4 28. Nxe4 Nf4 29. d6 Kf8 30. Nc5 d3 31. Ke1 Ke8 32. Nxb7 Kd7 33. Nc5+ Kxd6 34. Nxa6 Nxg2+ 35. Kd2 Nf4 36. h4 h5 37. Nb4 Ng2 38. a6 Kc7 39. Nd5+ Kb8 40. b4 Ka7 41. b5 Nxh4 42. Kxd3 Nf5 43. Kc4 h4 44. Kc5 Nd6 45. Kxd6 h3 46. Kc7 h2 47. Nb4 h1Q 48. b6+ 1-0

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.26"]
[Round "5"]
[White "Grooten, Tommy"]
[Black "De Jong, Migchiel"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2153"]
[BlackElo "2275"]
[PlyCount "67"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. a3 Bxd2+ 5. Qxd2 Nf6 6. Nc3 d5 7. e3 0-0 8. cxd5 exd5 9. Bd3 b6 10. Nf3 Bb7 11. 0-0 Qe7 12. Ne5 c5 13. Rae1 Nbd7 14. f4 Rad8 15. Qf2 Ne4 16. Qc2 Ndf6 17. Rc1 Rc8 18. Bxe4 dxe4 19. Qa4 Rfd8 20. Rfd1 cxd4 21. Rxd4 Nd5 22. Nc4 Nxf4 23. Nxb6 Rxc3 24. Rxd8+ Qxd8 25. Rxc3 Ne2+ 26. Kh1 Nxc3 27. bxc3 h6 28. Qd4 Qh4 29. h3 Kh7 30. Nc4 Bc8 31. Kh2 Bxh3 32. gxh3 Qf2+ 33. Kh1 Qf1+ 34. Kh2 1/2-1/2

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.24"]
[Round "4"]
[White "Mitusov, Semen"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2465"]
[BlackElo "2153"]
[PlyCount "51"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. h4 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be3 Qxh4 12. Qf3 Nxd4 13. Bxd4 Qe7+ 14. Be2 Qe4 15. 0-0-0 Qxf3 16. Bxf3 Be6 17. Rge1 Kd7 18. Be3 Bd6 19. Bxd5 Bxd5 20. Rxd5 Kc6 21. Red1 Rad8 22. Ra5 a6 23. Rd4 Rhe8 24. c3 Kc7 25. Kc2 Be5 26. Rc5+ 1-0

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.23"]
[Round "3"]
[White "Grooten, Tommy"]
[Black "Schoorl, Rob"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "2153"]
[BlackElo "2295"]
[PlyCount "77"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg6 10. Ne5 Nbd7 11. Nxg6 hxg6 12. Rd1 Qe7 13. e4 e5 14. d5 a5 15. dxc6 bxc6 16. Bg5 Rab8 17. h4 Rfd8 18. Rac1 Bc5 19. Qc2 Bd4 20. b3 Nb6 21. Ne2 c5 22. Nc3 Nxc4 23. bxc4 Bxc3 24. Qxc3 Rxd1+ 25. Rxd1 Rb4 26. Qc2 Qb7 27. Bxf6 gxf6 28. h5 g5 29. Rd8+ Kg7 30. Qd3 Qe7 31. Qd5 Rb1+ 32. Kh2 Rb7 33. Rc8 Rc7 34. Rb8 Ra7 35. Qc6 Rc7 36. Qa8 g4 37. Rh8 f5 38. Qg8+ Kf6 39. Rh6# 1-0

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.22"]
[Round "2"]
[White "Van der Hagen, Loek"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2315"]
[BlackElo "2153"]
[PlyCount "105"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Rg1 Nc6 8. Be3 Be7 9. Qe2 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. 0-0-0 Nd7 13. Kb1 Rc8 14. Nd5 Bxd5 15. Rxd5 a6 16. Rd1 Nc5 17. f4 exf4 18. Bxf4 Qb6 19. Rg3 0-0 20. c3 Rfe8 21. Bg2 Na4 22. Qc2 Nc5 23. Rd5 Ne6 24. Be3 Qc7 25. Rf5 Bg5 26. Qd2 Qe7 27. e5 dxe5 28. Rxe5 Red8 29. Rd5 Rxd5 30. Qxd5 b5 31. Bxg5 Nxg5 32. Rd3 b4 33. cxb4 Qxb4 34. h3 Ne6 35. Qb3 Qc5 36. Qd1 Rb8 37. Rd2 a5 38. Bd5 Nf4 39. Be4 Qe7 40. Bc2 Nxh3 41. Rd7 Qf6 42. Qd4 Qxd4 43. Rxd4 g6 44. Rd5 Ra8 45. Bd1 Ra7 46. a3 Nf4 47. Rd4 Ne6 48. Rd5 Kf8 49. Ka2 Ke7 50. Bf3 Ng5 51. Be2 Ne6 52. Bf3 Ng5 53. Be2 1/2-1/2

[Event "Groningen op 60th"]
[Site "Groningen"]
[Date "2024.12.21"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Koster, Ramon H"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2153"]
[BlackElo "2330"]
[PlyCount "65"]
[EventDate "2024.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Na6 9. Ra4 Bc2 10. Bf4 Ne4 11. Nxe4 Bxe4 12. Rg1 f6 13. Nd2 e5 14. Nxe4 exf4 15. Nc3 fxg3 16. Rxg3 Nc7 17. e3 a6 18. Bd3 Kf7 19. Kd2 Be7 20. Ra1 g6 21. h4 Raf8 22. h5 f5 23. Rag1 Rhg8 24. Ne2 Ne6 25. f4 Bf6 26. R1g2 Rb8 27. b4 Bh4 28. Rh3 Be7 29. Ng1 Ng7 30. hxg6+ hxg6 31. Nf3 Bf6 32. Rh6 Ne6 33. Rh7+ 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.11.02"]
[Round "9"]
[White "Madularea, David"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2151"]
[BlackElo "2067"]
[PlyCount "63"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 5. Qd3 Bb4 6. Bd2 0-0 7. 0-0-0 a5 8. a3 Bc5 9. f3 b5 10. Qxb5 Qe7 11. Bg5 Rb8 12. Nd5 Nxd5 13. Bxe7 Be3+ 14. Kb1 Rxb5 15. exd5 Rxb2+ 16. Kxb2 Nxe7 17. c4 Ba6 18. Bd3 Ng6 19. Kc3 Ne5 20. Ne2 Re8 21. Nd4 Nxd3 22. Kxd3 Bf4 23. Rhe1 Rd8 24. g3 Bd6 25. Ra1 c6 26. dxc6 dxc6 27. Nxc6 Rd7 28. Re8+ Bf8+ 29. Kc3 Rc7 30. Nxa5 f5 31. Rb1 Kf7 32. Ra8 1-0

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.11.01"]
[Round "8"]
[White "Grooten, Tommy"]
[Black "Bakija, Alan"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2067"]
[BlackElo "2192"]
[PlyCount "100"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg6 10. Ne5 Nbd7 11. Nxg6 hxg6 12. Rd1 Qc7 13. e4 e5 14. Na2 Bd6 15. d5 cxd5 16. Bxd5 Nxd5 17. Rxd5 Nb6 18. Rd1 Nxa4 19. Be3 Rfd8 20. Rac1 Qe7 21. Qb5 Qd7 22. Qxd7 Rxd7 23. b3 Nb6 24. Bxb6 axb6 25. Nc3 Rc7 26. Na4 Rxc1 27. Rxc1 Bc5 28. g3 Bd4 29. Rc7 Ra5 30. Nc3 Ra3 31. Nb5 Ra1+ 32. Kg2 Bc5 33. Rxb7 Rb1 34. Na7 Rxb3 35. Nc6 Rb2 36. Nxe5 Rxf2+ 37. Kh3 Bd4 38. Nc6 Be3 39. Ne7+ Kh7 40. Nd5 Bd4 41. Rb8 Rb2 42. Rb7 f6 43. Nf4 f5 44. Ne6 Bg1 45. g4 fxg4+ 46. Kxg4 Rg2+ 47. Kf3 Rxh2 48. Rxg7+ Kh6 49. Rg8 Kh7 50. Rg7+ Kh6 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.31"]
[Round "7"]
[White "Van Zutphen, Jimmy"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2125"]
[BlackElo "2067"]
[PlyCount "72"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. h3 0-0 5. Nf3 d6 6. Be2 Nbd7 7. 0-0 Qe8 8. c4 e5 9. Bh2 Qe7 10. Nc3 Rd8 11. Qc2 b6 12. Nb5 c6 13. Nxd6 Qxd6 14. dxe5 Qe7 15. exf6 Nxf6 16. Nd4 Bb7 17. Bf3 Rac8 18. Rfd1 c5 19. Bxb7 Qxb7 20. Nb5 Ne4 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Qxd1 Bxb2 24. Qd8+ Kg7 25. Nd6 Nxd6 26. Bxd6 h5 27. Qf8+ Kh7 28. Be7 Bg7 29. Qxf7 b5 30. cxb5 Qd7 31. f4 c4 32. f5 gxf5 33. Qxh5+ Kg8 34. Ba3 Qd3 35. Qe8+ Kh7 36. Qh5+ Kg8 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.30"]
[Round "5"]
[White "Aravindhan, Achyuth"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2173"]
[BlackElo "2067"]
[PlyCount "50"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nc3 Bb4 7. 0-0 Nxc3 8. bxc3 Bxc3 9. Rb1 0-0 10. Nxd7 Bxd7 11. Bxh7+ Kxh7 12. Qd3+ Kg8 13. Qxc3 Qf6 14. Rxb7 Qc6 15. Qb2 Bf5 16. c3 Rfe8 17. Bf4 Bd3 18. Rd1 Re2 19. Rb8+ Kh7 20. Qb4 Qe6 21. h3 Re1+ 22. Rxe1 Qxe1+ 23. Kh2 Qxf2 24. Bc1 Qc2 25. Rxa8 Qxc1 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.30"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Van Helvoort, Rob AM"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2067"]
[BlackElo "2164"]
[PlyCount "100"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Nf3 f5 5. g3 Nf6 6. Bg2 Ne4 7. Qc2 Nxc3 8. Qxc3 Be7 9. 0-0 0-0 10. Re1 a5 11. a3 Bb4 12. axb4 axb4 13. Bg5 bxc3 14. Bxd8 Rxa1 15. Rxa1 cxb2 16. Rb1 Rxd8 17. Rxb2 Be4 18. e3 Nc6 19. Ne5 Bxg2 20. Kxg2 Ne7 21. Ra2 d6 22. Nd3 Kf7 23. Ra7 Rc8 24. c5 bxc5 25. dxc5 e5 26. h4 g6 27. Kf1 Ke6 28. Kg2 h5 29. Kf1 Nc6 30. Rb7 Nd8 31. Ra7 Nc6 32. Rb7 Kd7 33. cxd6 Kxd6 34. Rb5 Rb8 35. Rxb8 Nxb8 36. f4 Nd7 37. fxe5+ Nxe5 38. Nf4 Kc5 39. Ke2 Kc4 40. e4 fxe4 41. Ke3 Kc5 42. Kxe4 Kd6 43. Nh3 c6 44. Nf4 c5 45. Ke3 Ng4+ 46. Kd3 Ne5+ 47. Ke4 c4 48. Kd4 c3 49. Kxc3 Kc5 50. Nd3+ Nxd3 1/2-1/2

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.29"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Vaupot, Kajetan"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2067"]
[BlackElo "1870"]
[PlyCount "73"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[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 Nd7 12. d5 Nb6 13. Nbd2 Re8 14. Nf1 h6 15. g4 h5 16. gxh5 Bxh3 17. Ng3 Bg4 18. b3 g6 19. Kh2 Bh4 20. Rg1 Bxg3+ 21. Rxg3 Bxh5 22. Qg1 Kg7 23. Kg2 c4 24. b4 Nb7 25. Bg5 Qd7 26. Nh4 Rh8 27. f4 Qc7 28. Rf1 f6 29. Bxf6+ Kxf6 30. fxe5+ Kg7 31. e6 Raf8 32. Qd4+ Kh7 33. Nxg6 Rfg8 34. Rh1 Kh6 35. Rxh5+ Kxh5 36. Qf6 Kh6 37. Rh3# 1-0

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.28"]
[Round "3"]
[White "Kazarjan, Gachatur"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2163"]
[BlackElo "2067"]
[PlyCount "61"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 Be7 7. Be3 a6 8. f4 Qc7 9. g4 b5 10. a3 Bb7 11. Bf3 Nfd7 12. 0-0 Nc6 13. Nxc6 Bxc6 14. Qe2 0-0 15. Rad1 Rab8 16. Bc1 a5 17. Nd5 Bxd5 18. exd5 e5 19. g5 Qd8 20. h4 exf4 21. Bxf4 Re8 22. Rfe1 b4 23. Rd3 Ne5 24. Bxe5 dxe5 25. Be4 bxa3 26. bxa3 Rb2 27. Rf1 Qc7 28. Bxh7+ Kxh7 29. Qh5+ Kg8 30. Qxf7+ Kh7 31. Qh5+ 1-0

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.27"]
[Round "2"]
[White "Grooten, Herman"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2216"]
[BlackElo "2067"]
[PlyCount "142"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nbd2 g6 7. e4 Bg7 8. Re1 0-0 9. e5 Nfd7 10. Nf1 c5 11. h4 Nc6 12. Bf4 Qc7 13. Qe2 d4 14. N1h2 Nb4 15. Ng4 Nd5 16. Bh6 Bxh6 17. Nxh6+ Kg7 18. Qd2 Ne3 19. fxe3 Kxh6 20. exd4+ Kg7 21. c3 cxd4 22. cxd4 b5 23. Nh2 Bxg2 24. Kxg2 Qb7+ 25. Kh3 h5 26. Qe3 Rac8 27. Rac1 Nb6 28. g4 Rh8 29. Qg5 Nd5 30. Rc5 hxg4+ 31. Qxg4 Rcd8 32. Qe4 Rh5 33. Nf3 Rf5 34. Kg3 Rh8 35. Rf1 Rf4 36. Qe2 Qe7 37. Rh1 Rh5 38. Rxd5 Rhf5 39. Rd6 Rxf3+ 40. Qxf3 Rxf3+ 41. Kxf3 Qc7 42. Ke3 Qc2 43. Rf1 Qg2 44. Rf6 Qg3+ 45. Kd2 Qxh4 46. Rd7 Kh6 47. a3 a5 48. Rfxf7 Qh2+ 49. Kc3 Qg1 50. Rd6 Qc1+ 51. Kb3 Qd1+ 52. Ka2 a4 53. Rc7 Qb3+ 54. Kb1 b4 55. Rc2 bxa3 56. Rh2+ Kg5 57. Rc6 axb2 58. Rxb2 Qxd3+ 59. Ka2 Qxd4 60. Rbc2 Qd5+ 61. R6c4 Kf5 62. Ka3 Qb5 63. R2c3 g5 64. Rc5 Qd7 65. R5c4 Kxe5 66. Re3+ Kf6 67. Rf3+ Kg6 68. Re3 Qb5 69. Rce4 Kf5 70. Rxe6 Qc5+ 71. Kb2 a3+ 0-1

[Event "Hoogeveen op 27th"]
[Site "Hoogeveen"]
[Date "2024.10.26"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Ritzerveld, Noah"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2067"]
[BlackElo "2281"]
[PlyCount "114"]
[EventDate "2024.10.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CB45_2024"]
[Source "ChessBase"]
[SourceDate "2024.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.06"]
[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 Nd7 12. d5 Nb6 13. Nbd2 c4 14. Nf1 Nb7 15. Be3 Qc7 16. g4 h5 17. gxh5 Bxh3 18. Ng3 Bg4 19. Kg2 Nc5 20. Rh1 f5 21. Nxf5 Bxf5 22. exf5 e4 23. Nh4 Bxh4 24. Rxh4 Rxf5 25. Qg4 Raf8 26. Rg1 Nxd5 27. Bd4 Rf4 28. Qg5 R8f5 29. Qg3 Rxh4 30. Qxh4 Rxh5 31. Qg4 Qd7 32. Qxd7 Nxd7 33. Bxe4 N7f6 34. Bc2 Rg5+ 35. Kf1 Rxg1+ 36. Kxg1 Nf4 37. Kf1 Kf7 38. Bf5 Ne6 39. Be3 g6 40. Bc2 Nd5 41. Ke2 Kf6 42. a4 Ke5 43. Kd2 g5 44. axb5 axb5 45. b3 Nxe3 46. Kxe3 Nc5 47. b4 Nb7 48. Bg6 d5 49. Be8 Nd6 50. Bd7 Ne4 51. Bxb5 Nxc3 52. Ba6 Na4 53. Bb7 d4+ 54. Kd2 Nb6 55. b5 Nd5 56. f3 d3 57. Bc8 Kd4 0-1

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.31"]
[Round "9"]
[White "Kviriashvili, Andria"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1918"]
[BlackElo "2146"]
[PlyCount "85"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Bc4 d6 6. h3 Be7 7. d3 Nxf3+ 8. Qxf3 h6 9. Be3 c6 10. a4 Qc7 11. Qg3 Nh5 12. Qf3 Nf6 13. a5 Bd7 14. g4 Rf8 15. Qe2 Nh7 16. d4 exd4 17. Bxd4 Bf6 18. Qe3 Be6 19. Bd3 Rh8 20. Bxa7 Bxc3+ 21. bxc3 c5 22. Bb5+ Ke7 23. e5 Rxa7 24. exd6+ Qxd6 25. Rd1 Qc7 26. Rd7+ Qxd7 27. Bxd7 Kxd7 28. Qxc5 Rha8 29. Qd4+ Ke7 30. Qxg7 Rxa5 31. 0-0 Nf6 32. Qxh6 Ra1 33. Qg5 R8a5 34. Qf4 Nd5 35. Qb8 b5 36. Rxa1 Rxa1+ 37. Kh2 Ra3 38. f4 f6 39. f5 Bd7 40. Qg8 Rxc3 41. Qxd5 Rxc2+ 42. Kg1 Bc6 43. Qe6+ 1-0

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.30"]
[Round "8"]
[White "Grooten, Tommy"]
[Black "Stichter, Constantin Paul"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2146"]
[BlackElo "1961"]
[PlyCount "132"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[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 Bd6 10. Nf3 dxe4 11. Qxe4 Nf6 12. Qh4 Qa5+ 13. Bd2 Qh5 14. Qxh5 Nxh5 15. 0-0 Nf4 16. Bc4 Nd5 17. Rfe1 Nb6 18. Bf1 f6 19. Rad1 Ke7 20. Ng5 e5 21. Ne4 Bf5 22. Nxd6 Kxd6 23. Bb4+ Kc7 24. f4 e4 25. h3 h5 26. Bd6+ Kb7 27. a4 Rad8 28. c4 Rd7 29. Re3 Nxc4 30. Bxc4 Rhd8 31. Rb3+ Ka8 32. Ba6 Rxd6 33. Rxd6 Rxd6 34. Bb7+ Kb8 35. Bxc6+ Kc7 36. Bb5 Rd4 37. Kf2 Rd2+ 38. Be2 Be6 39. Rb4 f5 40. Ke3 Rc2 41. a5 Rc6 42. Bxh5 Bd5 43. Kd4 Kd6 44. Bg6 e3 45. Rb5 e2 46. Rxd5+ Ke7 47. Bxf5 e1Q 48. Re5+ Qxe5+ 49. fxe5 Rc1 50. b4 Rd1+ 51. Kc5 Re1 52. Kd4 Rd1+ 53. Kc4 Re1 54. e6 Kd6 55. g4 Rh1 56. Kb5 Rxh3 57. Ka6 Rc3 58. Kxa7 Rb3 59. a6 Rxb4 60. Ka8 g6 61. Bxg6 Rxg4 62. a7 Rb4 63. Be4 Kc7 64. Bc6 Kxc6 65. e7 Kd7 66. e8Q+ Kxe8 1/2-1/2

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.29"]
[Round "7"]
[White "Shevchenko, Yaroslav"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2038"]
[BlackElo "2146"]
[PlyCount "83"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Bg5 Nbd7 9. Nc3 h6 10. Bxf6 Nxf6 11. Ne5 Qb6 12. a3 Rd8 13. Na4 Qc7 14. Rc1 Bd7 15. Nxd7 Qxd7 16. cxd5 cxd5 17. Qb3 Rac8 18. Nc5 Bxc5 19. dxc5 Rc7 20. Rc3 Rdc8 21. Rfc1 Qe7 22. Qb4 Rc6 23. e4 dxe4 24. Bxe4 Nxe4 25. Qxe4 b6 26. cxb6 Rxc3 27. Rxc3 Rxc3 28. bxc3 axb6 29. Qb4 Qd8 30. h4 Qc7 31. a4 g6 32. Qd4 h5 33. Kf1 Kf8 34. Ke2 Ke7 35. Ke3 Qd6 36. Qb4 Kd7 37. f4 Qd1 38. Qb5+ Kc7 39. Qc4+ Kd7 40. Qb5+ Kc7 41. Qc4+ Kd7 42. Qb5+ 1/2-1/2

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.28"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Battistelli, Fausto"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2146"]
[BlackElo "2011"]
[PlyCount "131"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Be3 Ng4 9. Bg5 f6 10. Bh4 h5 11. Nd2 Nh6 12. f3 Na6 13. a3 Bd7 14. Rb1 Nc5 15. b4 axb4 16. axb4 Na4 17. Nxa4 Bxa4 18. Qc1 b5 19. c5 g5 20. Bf2 Qe8 21. h3 Qg6 22. g4 Rfc8 23. c6 Qe8 24. Nf1 h4 25. Ne3 Nf7 26. Nf5 Nh8 27. Be3 Qd8 28. Kd2 Ng6 29. Qc3 Nf4 30. Bxf4 exf4 31. Ra1 Ra6 32. Ra3 Rca8 33. Rha1 Qb8 34. Qd4 Kf7 35. Bd3 Kf8 36. Ke2 Bd1+ 37. Rxd1 Rxa3 38. Rd2 Ra1 39. e5 fxe5 40. Qe4 Bh8 41. Ne7 Kxe7 42. Qh7+ Kf6 43. Qg6+ Ke7 44. Qe6+ Kf8 45. Bg6 Qe8 46. Bxe8 Rxe8 47. Qf5+ Kg8 48. Qxg5+ Bg7 49. Qg6 Rea8 50. Qe6+ Kh8 51. Qd7 Rh1 52. Kd3 Re1 53. Kc2 Ra2+ 54. Kb3 Rxd2 55. Qd8+ Kh7 56. Qxh4+ Kg8 57. Qxe1 Rd3+ 58. Kc2 Rxf3 59. Qe4 Rxh3 60. Qf5 f3 61. Qe6+ Kh8 62. Qc8+ Kh7 63. Qf5+ Kg8 64. Qe6+ Kh8 65. Qc8+ Kh7 66. Qf5+ 1/2-1/2

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.26"]
[Round "5"]
[White "Cieslak, Patryk"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2374"]
[BlackElo "2146"]
[PlyCount "97"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 a6 7. Qf3 Qc7 8. Be3 b5 9. a3 Bb7 10. g4 Nc6 11. g5 Nd7 12. 0-0-0 Be7 13. Nxc6 Bxc6 14. Bd4 e5 15. Be3 exf4 16. Bxf4 Ne5 17. Qg3 0-0 18. Nd5 Bxd5 19. Rxd5 Rac8 20. Qb3 Qa5 21. Bh3 Rc7 22. Kb1 Qb6 23. Bxe5 dxe5 24. Rxe5 Qd4 25. Qd5 Qa4 26. Qd3 b4 27. axb4 Bxb4 28. Rd1 Bc3 29. bxc3 Qa3 30. c4 Rb7+ 31. Rb5 Qxd3 32. cxd3 axb5 33. c5 Rc7 34. d4 Re8 35. Bg2 f6 36. Kb2 Rd8 37. Bf3 fxg5 38. Kc3 Rf8 39. Be2 Rf4 40. e5 Kf7 41. Bxb5 Ke7 42. c6 Kd8 43. d5 Rf3+ 44. Kd4 Rf4+ 45. Kc5 Re4 46. Kd6 Rh4 47. Ra1 Rxh2 48. Ra8+ Rc8 49. c7# 1-0

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.25"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Haug, Havard"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2146"]
[BlackElo "2315"]
[PlyCount "82"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. cxd5 exd5 5. Nc3 Be7 6. Bg5 h6 7. Bf4 0-0 8. e3 c5 9. dxc5 Bxc5 10. Bxb8 Rxb8 11. Bd3 Bg4 12. 0-0 Rc8 13. h3 Be6 14. Nd4 Bd6 15. Qb3 Qd7 16. Qa4 Bxh3 17. Qxd7 Bxd7 18. Rfd1 Be5 19. Be2 Rfd8 20. Bf3 Be6 21. Rd3 Rd7 22. Rad1 Rcd8 23. Na4 Bxd4 24. Rxd4 Kf8 25. Nc3 Ke7 26. R1d2 h5 27. g3 g6 28. Bg2 b6 29. Bf3 Ne4 30. Bxe4 dxe4 31. Nxe4 Bxa2 32. Nc3 Rxd4 33. exd4 Bd5 34. Kf1 g5 35. Ke2 h4 36. gxh4 gxh4 37. Ke3 Bg2 38. Ne2 h3 39. Ng3 Rg8 40. Kf4 h2 41. Rd1 Rxg3 0-1

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.24"]
[Round "3"]
[White "Guretchii, Kirill"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A73"]
[WhiteElo "2034"]
[BlackElo "2146"]
[PlyCount "60"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 Na6 10. 0-0 Nc7 11. Re1 a6 12. a4 Rb8 13. a5 Bd7 14. Qb3 Ng4 15. h3 Nxf2 16. Kxf2 Qh4+ 17. Kf1 Bxh3 18. Nd1 Bxg2+ 19. Kxg2 Qxe1 20. Qd3 Be5 21. Nc4 Bd4 22. Nde3 Rbe8 23. Rb1 f5 24. Bd2 Qh4 25. exf5 Nxd5 26. Ng4 Rxf5 27. Nh6+ Kh8 28. Nxf5 gxf5 29. Bf3 Rg8+ 30. Kf1 Qf2# 0-1

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.23"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Popov, Roman4"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2146"]
[BlackElo "1962"]
[PlyCount "193"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. Nc3 Nf6 4. e3 cxd4 5. exd4 g6 6. Nf3 Bg7 7. Be2 dxc4 8. Bxc4 0-0 9. 0-0 a6 10. a4 Nbd7 11. Ba2 Nb6 12. d5 Bf5 13. Re1 Rc8 14. h3 Re8 15. Nd4 Bd7 16. Bb3 Nc4 17. Qd3 Qc7 18. Re2 Ne5 19. Qd1 Rcd8 20. Rc2 Bf5 21. Nxf5 gxf5 22. Bf4 Qb6 23. Rd2 Ng6 24. a5 Qc5 25. Be3 Qd6 26. Bb6 Rc8 27. Qf3 Nd7 28. Na4 Qf4 29. Qxf4 Nxf4 30. Be3 Ng6 31. Nb6 Nxb6 32. Bxb6 Ne5 33. Re1 Kf8 34. Ba4 Nc4 35. Rde2 Nxb6 36. Bxe8 Nxd5 37. Bd7 Rc7 38. Bxf5 h5 39. Rc2 Rxc2 40. Bxc2 Bxb2 41. Be4 Nf6 42. Bxb7 Bc3 43. Re2 Bxa5 44. Bxa6 Bb4 45. Bb7 Bd6 46. Ra2 Kg7 47. Bf3 Kg6 48. h4 Kh6 49. g3 Kg6 50. Ra5 Kh6 51. Kf1 Bb4 52. Rb5 Bd6 53. Ke2 Kg6 54. Rg5+ Kh6 55. Kd3 Ba3 56. Kc4 Bd6 57. Kd4 Bb4 58. Ke3 Ba3 59. Kd3 Bb4 60. Ke2 Ba3 61. Kf1 Bd6 62. Bd1 Bc7 63. Rf5 Kg6 64. Bc2 Kg7 65. Bb3 e6 66. Rb5 Bd6 67. Rb7 Kg6 68. Bc2+ Kg7 69. Rb5 Kh6 70. Kg2 Kg7 71. f3 Nd5 72. Be4 Nf6 73. Kh3 Kh6 74. Bb7 Ne8 75. Bc6 Ng7 76. g4 f6 77. Be4 Bf4 78. Rc5 Be3 79. Ra5 Bf4 80. Rb5 Be3 81. Kg3 Bd2 82. Kh3 Bf4 83. Ra5 Be3 84. Ra8 f5 85. gxf5 exf5 86. Bd3 Bd4 87. Ra6+ Kh7 88. Rd6 Bc3 89. Rc6 Bd4 90. Kg3 Be5+ 91. Kf2 Bd4+ 92. Ke2 Bb2 93. Ke3 Be5 94. Rc5 Bg3 95. Bxf5+ Kg8 96. Bg6 Bf4+ 97. Ke4 1-0

[Event "EU-ch U14"]
[Site "Prague"]
[Date "2024.08.22"]
[Round "1"]
[White "Tequi, Lucas"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1881"]
[BlackElo "2146"]
[PlyCount "54"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Nc3 dxe5 11. dxe5 Nxc3 12. bxc3 b6 13. Rd1 Qc7 14. Bd3 Bb7 15. Qe4 g6 16. Qe3 Rfe8 17. h4 Rad8 18. h5 Ba6 19. hxg6 hxg6 20. Bc2 Rxd1+ 21. Bxd1 Rd8 22. Bc2 Rd5 23. Qh6 Nxe5 24. Ng5 Bxg5 25. Bxg5 Ng4 26. Qh4 Rxg5 27. f3 Qc5+ 0-1

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.09"]
[Round "8"]
[White "Grooten, Tommy"]
[Black "Dhooge, Servaas"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2146"]
[BlackElo "1994"]
[PlyCount "76"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 9. f3 Be7 10. Be2 0-0 11. Rc1 d6 12. Qd2 Nbd7 13. g4 Qd8 14. g5 Nh5 15. Kd1 Rc8 16. Kc2 g6 17. Kb1 e5 18. Nc2 Nc5 19. Ka2 Ne6 20. h4 Ng3 21. Rhg1 Nxe2 22. Qxe2 f5 23. gxf6 Bxf6 24. h5 g5 25. Nd5 Nf4 26. Nxf4 exf4 27. Bxf4 Kh8 28. Be3 h6 29. Nd4 Bxd4 30. Bxd4+ Kh7 31. Qd3 Qe8 32. Bxb6 Qxh5 33. Rh1 Qxf3 34. Qd2 Bxe4 35. Be3 Qf7 36. Rhf1 Qe6 37. Rxf8 Rxf8 38. Qd4 Rf7 1/2-1/2

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.07"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Hoffman, Ron"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2146"]
[BlackElo "1997"]
[PlyCount "45"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Re8 11. Ng5 Bc8 12. Rd1 h6 13. Nh3 Be6 14. c5 d5 15. Be3 Nbd7 16. Bd4 Qe7 17. b4 b6 18. Na4 Bf7 19. e3 b5 20. Nc3 a5 21. a3 Ne5 22. Qc2 a4 23. Nf4 1/2-1/2

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.06"]
[Round "5"]
[White "De Winter, Arthur"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2411"]
[BlackElo "2146"]
[PlyCount "93"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. a4 Bb7 9. Ra3 e6 10. dxe6 fxe6 11. Be2 d5 12. 0-0 a5 13. h3 Nbd7 14. Qc2 Qe7 15. e4 d4 16. e5 Nd5 17. Bg5 Qe8 18. Ne4 Nb4 19. Qb1 Qb8 20. Be7 d3 21. Bxd3 Rxf3 22. gxf3 Nxe5 23. Be2 Nd5 24. Bg5 Qf8 25. Qc1 c4 26. f4 Nd3 27. Qxc4 N3xf4 28. Nf6+ Bxf6 29. Bxf4 Qf7 30. Bg3 Rc8 31. Qd3 Nb4 32. Qd6 Rd8 33. Qc7 Rd7 34. Qxa5 Nc2 35. Bf3 Bd8 36. Qc3 Nd4 37. Bd1 Qf5 38. Kh2 Qd5 39. Rg1 Be7 40. b4 Bf6 41. Qc5 Be7 42. Qxd5 Rxd5 43. Bf3 Nxf3+ 44. Rxf3 Bxb4 45. Re3 Kf7 46. Rc1 Ba5 47. b6 1-0

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.05"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Asefi, Zaheeruddeen"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2146"]
[BlackElo "1998"]
[PlyCount "237"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g3 c6 5. Bg2 Bg7 6. Nf3 0-0 7. 0-0 a5 8. cxd5 cxd5 9. Bf4 Qb6 10. Qb3 Qxb3 11. axb3 Nc6 12. Ne5 Nxd4 13. b4 a4 14. Rfd1 Nc2 15. Rxa4 Rxa4 16. Nxa4 Nxb4 17. Rc1 Nd7 18. Rxc8 Rxc8 19. Nxd7 Rc2 20. Bf3 f6 21. Ndb6 e6 22. Kg2 Bf8 23. Be3 Kf7 24. h4 Bd6 25. Bd4 e5 26. Bc3 e4 27. Bg4 f5 28. Bh3 Ke6 29. Kg1 Rxe2 30. Bf1 Rc2 31. Bb5 Nc6 32. Nc8 Ne5 33. Nxd6 Rc1+ 34. Kg2 Kxd6 35. Bb4+ Ke6 36. Nc5+ Kf7 37. Nxb7 d4 38. Nd8+ Kf6 39. Bd2 Rd1 40. Bg5+ Kg7 41. Be2 Rb1 42. Ne6+ Kf7 43. Nxd4 Rxb2 44. Bd1 Rb4 45. Be3 Ke8 46. Be2 Kd7 47. h5 Kd6 48. Bd1 Nd3 49. Bb3 Rb7 50. Bc4 Ke5 51. Ne6 Kd6 52. Nf8 gxh5 53. Ne6 Ke5 54. Nf4 Ne1+ 55. Kh3 Nf3 56. Be2 Rb1 57. Bxf3 exf3 58. Kh2 Ke4 59. Nh3 Kd3 60. Nf4+ Ke4 61. Nxh5 Rb7 62. Nf4 Rb1 63. Ne6 Re1 64. Ng5+ Kd5 65. Nxf3 Rb1 66. Ng5 Rb7 67. Kg2 Ke5 68. Nf3+ Kf6 69. Nd2 Rb4 70. Nf3 Rc4 71. Bd4+ Ke6 72. Be5 Rg4 73. Bf4 Rg7 74. Kh3 Rb7 75. Kh4 Kf6 76. Kh5 Rb1 77. Be5+ Ke6 78. Bf4 Kd5 79. Be3 Rb7 80. Kg5 Rf7 81. Kf4 h6 82. Nd4 Rf8 83. Kf3 Rf6 84. Ne2 Ke6 85. Nf4+ Kf7 86. Ne2 Ra6 87. Nd4 Kg6 88. Kf4 Ra4 89. Ke5 Ra5+ 90. Kd6 Ra6+ 91. Nc6 h5 92. Kd5 Ra4 93. Nd4 Ra5+ 94. Kc4 Re5 95. Nf3 Ra5 96. Kd4 Rb5 97. Kd3 Ra5 98. Nh4+ Kf6 99. Ke2 Ra4 100. Kf3 Rb4 101. Ng2 Rb7 102. Bd4+ Kg5 103. Nf4 h4 104. Ne6+ Kh5 105. Ng7+ Kg5 106. gxh4+ Kxh4 107. Nxf5+ Kg5 108. Ke4 Rb1 109. f4+ Kg6 110. Nd6 Re1+ 111. Kd5 Rf1 112. Be5 Rf2 113. Ke6 Rf1 114. f5+ Rxf5 115. Nxf5 Kg5 116. Ne3 Kh4 117. Kf5 Kh3 118. Bf6 Kg3 119. Ke4 1-0

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.04"]
[Round "3"]
[White "Haak, Eelco"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "1974"]
[BlackElo "2146"]
[PlyCount "65"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 b6 4. g3 Bb7 5. Bg2 e6 6. 0-0 d5 7. Bf4 Bd6 8. Ne5 0-0 9. c4 Nc6 10. cxd5 exd5 11. Nxc6 Bxc6 12. Bxd6 Qxd6 13. Nc3 Rad8 14. e3 Rfe8 15. Rc1 c4 16. b3 b5 17. bxc4 dxc4 18. Bxc6 Qxc6 19. Rb1 Rb8 20. a3 a5 21. Na2 Qd6 22. Qc1 Rec8 23. Qc3 Qa6 24. Rfc1 Qa8 25. Qe1 Ne4 26. h4 Nf6 27. Qe2 Qc6 28. Qe1 Qa6 29. Qe2 h6 30. Qe1 Nd5 31. Rb2 Re8 32. Nc3 Nf6 33. Rcb1 1/2-1/2

[Event "Vlissingen HZ op 26th"]
[Site "Vlissingen"]
[Date "2024.08.03"]
[Round "1"]
[White "Quintus, Max"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1846"]
[BlackElo "2146"]
[PlyCount "131"]
[EventDate "2024.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 b5 5. cxb5 a6 6. e3 Bg7 7. Nc3 0-0 8. a4 axb5 9. Bxb5 Bb7 10. e4 d6 11. 0-0 Na6 12. Re1 Nc7 13. Bc4 Nd7 14. Be3 Kh8 15. Qd2 f5 16. exf5 Rxf5 17. Bh6 Qf8 18. Bxg7+ Qxg7 19. Qe2 Re8 20. Nb5 Nxd5 21. Bxd5 Bxd5 22. Nxd6 exd6 23. Qxe8+ Nf8 24. a5 Qf6 25. Qe7 Rxf3 26. Qxf6+ Rxf6 27. a6 Ne6 28. Rad1 Nd4 29. a7 Kg7 30. Re8 Rf8 31. Rde1 Nf5 32. Rb8 Kf7 33. Rd1 Nd4 34. Ra1 Ba8 35. Ra6 Nc6 36. Rab6 Nxb8 37. axb8Q Rxb8 38. Rxb8 Be4 39. f3 Bc2 40. Rb7+ Ke6 41. Rxh7 Ke5 42. Kf2 Kd4 43. Ke2 Bd3+ 44. Kd2 c4 45. Rd7 Ke5 46. Rd8 d5 47. g3 d4 48. b4 Bf1 49. f4+ Ke4 50. Rd6 c3+ 51. Kc2 Bd3+ 52. Kc1 Ke3 53. Re6+ Be4 54. b5 d3 55. Rxe4+ Kxe4 56. b6 Ke3 57. b7 d2+ 58. Kc2 Ke2 59. b8Q d1Q+ 60. Kxc3 Qd3+ 61. Kb2 Kf1 62. Qb3 Qd2+ 63. Qc2 Qb4+ 64. Kc1 Qa3+ 65. Kd2 Kg2 66. Ke1+ 1/2-1/2

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.08.01"]
[Round "9"]
[White "Koster, Chiel"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2058"]
[BlackElo "2146"]
[PlyCount "47"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. g4 h6 8. h4 Nc6 9. Rg1 d5 10. g5 hxg5 11. hxg5 Nxe4 12. Nxe4 dxe4 13. Nxc6 Qxd1+ 14. Rxd1 bxc6 15. Bg2 Rh4 16. Rd4 Rb8 17. Bxe4 Bd7 18. Bd3 Rh3 19. Bf1 Rh5 20. Be2 Rh3 21. Bg4 Rh4 22. Be2 Rh3 23. Bg4 Rh4 24. Be2 1/2-1/2

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.31"]
[Round "8"]
[White "Aarav, Sarbalia"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2042"]
[BlackElo "2146"]
[PlyCount "83"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. g5 hxg5 9. Bxg5 Be7 10. Nxc6 bxc6 11. Qf3 Qb6 12. 0-0-0 Rb8 13. b3 Qc5 14. Kb1 a5 15. Bc1 Qh5 16. Qg3 Qg6 17. Qxg6 fxg6 18. e5 dxe5 19. Bd3 Kf7 20. Rdg1 e4 21. Nxe4 Nxe4 22. Bxe4 e5 23. Bxg6+ Ke6 24. h5 Bf6 25. Be4 Bb7 26. f4 c5 27. Bxb7 Rxb7 28. fxe5 Kxe5 29. h6 gxh6 30. Bb2+ Ke6 31. Rg6 Rf7 32. Rhxh6 Rxh6 33. Rxh6 Ke7 34. Rxf6 Rxf6 35. Bxf6+ Kxf6 36. Kb2 Ke5 37. Ka3 Kd4 38. c4 Kc3 39. Ka4 Kb2 40. Kxa5 Kxa2 41. b4 cxb4 42. Kxb4 1-0

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.30"]
[Round "7"]
[White "Grooten, Tommy"]
[Black "Odendahl, Reiner"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2146"]
[BlackElo "2274"]
[PlyCount "45"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 e6 2. c4 c5 3. d5 exd5 4. cxd5 d6 5. Nc3 g6 6. Nf3 a6 7. a4 Bg7 8. Nd2 Nd7 9. e4 Ne7 10. Be2 0-0 11. 0-0 f5 12. Nc4 Ne5 13. Nxe5 Bxe5 14. Bc4 f4 15. Be2 Kh8 16. Nb1 g5 17. Nd2 Ng6 18. Bg4 Bf6 19. Nc4 Ne5 20. Nxe5 Bxe5 21. Ra3 Qf6 22. Rb3 Rf7 23. Qe2 1/2-1/2

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.29"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Kurt, Sascha"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2146"]
[BlackElo "2071"]
[PlyCount "141"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 d6 5. g3 a5 6. a3 axb4 7. axb4 Rxa1 8. Bxa1 0-0 9. Bg2 c6 10. 0-0 d5 11. cxd5 cxd5 12. Qb3 Na6 13. Bxf6 Bxf6 14. d4 Qb6 15. Nc3 e6 16. b5 Nc7 17. e3 Bd7 18. Rb1 Ra8 19. Bf1 Qa5 20. Nd2 b6 21. Rb2 Qa3 22. Ra2 Qxb3 23. Rxa8+ Nxa8 24. Nxb3 Nc7 25. Na1 Be7 26. Nc2 f5 27. f4 Kf7 28. Kf2 Ke8 29. Ke1 Kd8 30. Kd1 Kc8 31. Kc1 Ne8 32. Kb2 Nd6 33. Kb3 Kc7 34. Ne1 Bf6 35. Bd3 Be8 36. Nf3 Nf7 37. h4 h5 38. Be2 Kb7 39. Ka4 Kc7 40. Ng5 Nxg5 41. hxg5 Be7 42. Nb1 Bd6 43. Bf3 Bf7 44. Nc3 Kd7 45. Bg2 Bc7 46. Na2 Bd6 47. Bf3 Kc7 48. Nc1 Kd7 49. Nb3 Kc7 50. Be2 Be8 51. Bf1 Bf7 52. Bg2 Kd7 53. Bh1 Kc7 54. Nc1 Kd7 55. Nd3 Kc7 56. Ne1 Kd7 57. Ng2 Ke7 58. Nh4 Kf8 59. Nf3 Ke7 60. Bg2 Be8 61. Ne5 Bxe5 62. dxe5 Bf7 63. Bf3 Kd7 64. Be2 Kc7 65. Bd3 Be8 66. Ka3 Kd8 67. Ka2 Ke7 68. Ka1 Kf8 69. Kb2 Ke7 70. Kc3 Bd7 71. Kd4 1/2-1/2

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.27"]
[Round "5"]
[White "Panjer, Sidney"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "A97"]
[WhiteElo "2204"]
[BlackElo "2146"]
[PlyCount "167"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d6 7. Nc3 Qe8 8. b4 Nbd7 9. Qb3 h6 10. a4 a5 11. Nb5 Bd8 12. bxa5 Ne4 13. Ba3 Ndf6 14. Rad1 Qh5 15. c5 Ra6 16. cxd6 cxd6 17. Rc1 Bd7 18. Nc7 Rc6 19. Nxe6 Qf7 20. d5 Rxc1 21. Rxc1 Re8 22. Nxd8 Rxd8 23. Qxb7 Qxd5 24. Qxd5+ Nxd5 25. Nd4 Ra8 26. f3 Nef6 27. e4 Ne3 28. Bxd6 fxe4 29. Bb4 Nxg2 30. Kxg2 exf3+ 31. Kxf3 Rb8 32. Nb5 Bg4+ 33. Kg2 Nd5 34. Be1 Rc8 35. Rxc8+ Bxc8 36. Kf3 Bb7 37. Ke4 Nb4+ 38. Ke3 Na6 39. Kd4 Kf8 40. Na7 Ke7 41. Kc4 Kd7 42. Kb5 Nc7+ 43. Kb6 Bf3 44. a6 Na8+ 45. Ka5 g6 46. Bd2 h5 47. Bf4 Bg2 48. Nb5 Kc6 49. Nd4+ Kd5 50. Nc2 Be4 51. Nb4+ Kc4 52. Be3 Bf3 53. a7 Bh1 54. h4 Bg2 55. Bg5 Kc5 56. Be7+ Kc4 57. Bd6 Bh1 58. Bf4 Be4 59. Na6 Kd5 60. Kb4 Kc6 61. Nc5 Bf5 62. a5 Kd5 63. Na4 Kc6 64. Be3 Bg4 65. Kc4 Kb7 66. Kd5 Bf3+ 67. Ke5 Bg4 68. Nc3 Nc7 69. Bb6 Ne8 70. Nd5 Bd1 71. Nf4 Bc2 72. Ke6 Bb3+ 73. Ke7 Ng7 74. Kf6 Nf5 75. Bf2 Nd6 76. Kxg6 Bf7+ 77. Kg7 Be8 78. Nd5 Nb5 79. Nf6 Bc6 80. Nxh5 Nd6 81. Nf6 Bf3 82. h5 Bxh5 83. Nxh5 Ne4 84. Bb6 1-0

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.26"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Hng, Mei Xian Eunice"]
[Result "1-0"]
[ECO "A77"]
[WhiteElo "2146"]
[BlackElo "2036"]
[PlyCount "67"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4 0-0 9. Be2 a6 10. a4 Re8 11. 0-0 b6 12. Qc2 Nbd7 13. f4 Qc7 14. Kh1 Bb7 15. Nc4 Bf8 16. Bf3 Qb8 17. Bd2 b5 18. axb5 axb5 19. Nxb5 Bxd5 20. Nbxd6 Bxd6 21. Nxd6 Rxa1 22. Rxa1 Qxd6 23. exd5 Nxd5 24. Qd3 N7f6 25. h3 Rd8 26. b3 Qf8 27. Qe2 Nb4 28. Bc3 Nfd5 29. Bb2 Nc6 30. Qc4 Ncb4 31. Ra5 Qd6 32. Rxc5 Qxf4 33. Bxd5 Nxd5 34. Rxd5 1-0

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.25"]
[Round "3"]
[White "Van de Pavoordt, Max"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2044"]
[BlackElo "2146"]
[PlyCount "44"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. g3 Bb7 5. Bg2 g6 6. 0-0 Bg7 7. Re1 0-0 8. e4 d6 9. d4 cxd4 10. Nxd4 Nbd7 11. b3 Qb8 12. Bb2 a6 13. Rc1 e6 14. Rc2 Rc8 15. Rd2 Ne8 16. a4 Ra7 17. f4 Ba8 18. Rf2 Nf8 19. f5 h5 20. fxe6 Nxe6 21. Nd5 h4 22. gxh4 Bxd5 1/2-1/2

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.24"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Hausrath, Daniel"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2146"]
[BlackElo "2469"]
[PlyCount "82"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 c6 6. Nf3 0-0 7. 0-0 a6 8. a3 b5 9. e5 Ne8 10. Bf4 Nd7 11. Ne4 Nb6 12. b3 Bf5 13. Ng3 Be6 14. Rc1 Nc7 15. exd6 exd6 16. h4 Bg4 17. Bg5 Qd7 18. Re1 Rfe8 19. Qd3 Ne6 20. Be3 bxc4 21. bxc4 d5 22. c5 Nc4 23. Nd2 Nxe3 24. fxe3 Bxe2 25. Rxe2 Qc7 26. Ngf1 Qe7 27. Rf2 Qxh4 28. Rb1 Qd8 29. Rb6 Qc8 30. Nf3 Re7 31. N1h2 h5 32. Rfb2 a5 33. R2b3 a4 34. R3b4 Qe8 35. Nf1 Nc7 36. Qc2 Nb5 37. Rxa4 Nxa3 38. Qb3 Nb5 39. Qa2 Rxa4 40. Qxa4 Bf6 41. Qa6 Ra7 0-1

[Event "Dutch op"]
[Site "Velp"]
[Date "2024.07.23"]
[Round "1"]
[White "Smit, Manuel"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1969"]
[BlackElo "2146"]
[PlyCount "76"]
[EventDate "2024.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 e6 5. Bb5+ Bd7 6. a4 a6 7. Bxd7+ Nbxd7 8. 0-0 Bd6 9. d4 cxd4 10. exd4 0-0 11. Nbd2 Rc8 12. Re1 Re8 13. c4 dxc4 14. bxc4 Bf8 15. a5 Nb8 16. Qb3 Nc6 17. Bc3 Re7 18. Ne4 Nxe4 19. Rxe4 Rd7 20. Qb2 Ne7 21. Ne5 Rdc7 22. c5 Qd5 23. Ree1 Nc6 24. Nf3 Rd8 25. h3 g6 26. Rad1 Bg7 27. Rd2 Qc4 28. Red1 Rcd7 29. Rc1 Qd5 30. Rcd1 Qh5 31. Ne1 Na7 32. Nc2 Nb5 33. Na3 Nxc3 34. Qxc3 Rxd4 35. g4 Rxd2 36. Rxd2 Rxd2 37. Qxd2 Qxh3 38. Qb4 Be5 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "9"]
[White "Fransen, Jean Paul"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B20"]
[BlackElo "2116"]
[PlyCount "97"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e6 6. axb4 Bxb4 7. c3 Be7 8. Na3 Bd7 9. d4 Nf6 10. Bd3 0-0 11. 0-0 Nc6 12. Re1 Qh5 13. Nc4 Nd5 14. Nce5 Nxe5 15. Rxe5 f5 16. c4 Nf6 17. Bxf5 exf5 18. Rxe7 Rf7 19. Ba3 Rxe7 20. Bxe7 Qf7 21. Bxf6 Qxf6 22. Ne5 Be6 23. f4 b6 24. d5 Bf7 25. d6 g5 26. Qf3 Rd8 27. Rxa7 Qxd6 28. h4 Qd1+ 29. Qxd1 Rxd1+ 30. Kf2 Bxc4 31. Nxc4 Rd4 32. Nxb6 Rxf4+ 33. Kg3 Rg4+ 34. Kf3 Rf4+ 35. Ke3 Re4+ 36. Kd3 Rxh4 37. Nd5 Rh2 38. Ra2 Kf7 39. Ke3 Ke6 40. Nc7+ Ke5 41. Kf3 Rh1 42. Ra5+ Kf6 43. Nd5+ Ke6 44. Ne3 f4 45. Ng4 h5 46. Nf2 g4+ 47. Kxf4 Rf1 48. Ke3 Rg1 49. Ra4 1/2-1/2

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "5"]
[White "Groenewoud, Joel"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2088"]
[BlackElo "2116"]
[PlyCount "91"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f3 Be7 8. Qd2 b5 9. a3 Qc7 10. g4 h6 11. 0-0-0 Nc6 12. h4 Ne5 13. Rg1 Nfd7 14. g5 hxg5 15. hxg5 g6 16. f4 Nc4 17. Ndxb5 axb5 18. Nxb5 Qc6 19. Qc3 d5 20. Qxh8+ Nf8 21. Na7 Qa4 22. Bxc4 Qxc4 23. exd5 exd5 24. Nxc8 Rxc8 25. Rg2 Qe4 26. Re2 Kd7 27. Qd4 Qxd4 28. Rxd4 Kc6 29. Red2 Bc5 30. R4d3 Bxe3 31. Rxe3 Rd8 32. Rc3+ Kb6 33. Rcd3 Ne6 34. Rxd5 Rxd5 35. Rxd5 Nxf4 36. Rd7 Ne6 37. Rxf7 Nxg5 38. Rf6+ Kc5 39. Rxg6 Ne4 40. b4+ Kb5 41. Kb2 Nd2 42. Rg5+ Kb6 43. a4 Nc4+ 44. Kc3 Nd6 45. Rg6 Kc7 46. Rxd6 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Cornelisse, Sam"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2116"]
[BlackElo "2117"]
[PlyCount "131"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 Na6 10. h3 Nc7 11. a4 b6 12. Be3 Re8 13. Ng3 a6 14. f4 Ncxd5 15. Bd2 Nxc3 16. Bxc3 Bb7 17. f5 Nxe4 18. fxg6 hxg6 19. Qf3 Qe7 20. Bxe4 Bxe4 21. Nxe4 f5 22. Nd2 Rad8 23. Qd5+ Qf7 24. Qxf7+ Kxf7 25. Bxg7 Kxg7 26. Rfe1 d5 27. Kf2 Kf6 28. Rxe8 Rxe8 29. Re1 Rh8 30. Rc1 c4 31. Nf3 g5 32. Rd1 Rd8 33. Nd4 Rd6 34. Nc2 Ke5 35. Re1+ Kf6 36. Nd4 b5 37. axb5 axb5 38. Re8 b4 39. Rf8+ Ke5 40. Nf3+ Ke4 41. Re8+ Kd3 42. Re3+ Kc2 43. Re2+ Kc1 44. Nd4 Ra6 45. g3 Ra2 46. b3 Rd2 47. Rxd2 Kxd2 48. h4 gxh4 49. gxh4 Kd3 50. h5 Kxd4 51. h6 cxb3 52. h7 Kd3 53. h8Q Kc2 54. Qc8+ Kb1 55. Qxf5+ Ka1 56. Qxd5 b2 57. Qa5+ Kb1 58. Qxb4 Kc2 59. Qc4+ Kd2 60. Qb3 Kc1 61. Qc3+ Kb1 62. Ke2 Ka2 63. Qa5+ Kb3 64. Qb5+ Ka2 65. Qa4+ Kb1 66. Kd3 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2116"]
[BlackElo "2251"]
[PlyCount "122"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 d6 6. e4 Bxc3+ 7. bxc3 h6 8. Bd3 0-0 9. Ne2 Re8 10. 0-0 Nbd7 11. Ng3 e5 12. Nf5 Nf8 13. Qe1 Bxf5 14. exf5 b5 15. cxb5 c4 16. Bxc4 e4 17. Qg3 e3 18. Re1 Qb6 19. Qf4 Rac8 20. Bxe3 Rxe3 21. Qxe3 Rxc4 22. Qxb6 axb6 23. a4 Rxc3 24. a5 bxa5 25. b6 N8d7 26. b7 Rb3 27. Reb1 Rxb1+ 28. Rxb1 Nb8 29. Rc1 Nfd7 30. Rc8+ Kh7 31. Kf2 a4 32. Ke2 g6 33. fxg6+ Kxg6 34. Rc6 Kf5 35. Rxd6 a3 36. Rc6 a2 37. Rc1 Nc5 38. Ra1 Nb3 39. Rxa2 Nc1+ 40. Ke3 Nxa2 41. Kd4 Nd7 42. d6 Ke6 43. g4 Nb4 44. f4 Kxd6 45. g5 h5 46. f5 Nc6+ 47. Ke4 Nc5+ 48. Kf4 Nxb7 49. g6 f6 50. Kg3 Ke5 51. Kh4 Kxf5 52. Kxh5 Ne7 53. g7 Ng8 54. h4 Ke6 55. Kg6 Nd6 56. h5 Nf7 57. Kh7 Nfh6 58. Kg6 f5 59. Kg5 Ke5 60. Kh4 Ke4 61. Kg3 Ke5 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "8"]
[White "Grooten, Tommy"]
[Black "Neuwald, Johannes"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2116"]
[PlyCount "81"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Nf3 e6 6. Be2 Ne7 7. 0-0 h6 8. Be3 b6 9. Qc2 Bb7 10. Nd2 a6 11. Rae1 c5 12. Nb3 Nc6 13. d5 exd5 14. exd5 Nd4 15. Bxd4 cxd4 16. Bd3+ Kf8 17. Ne4 Nc5 18. Nbxc5 bxc5 19. Ng3 Bc8 20. Bxg6 fxg6 21. Qxg6 Ra7 22. Re2 Re7 23. Rfe1 Re5 24. f4 Rxe2 25. Rxe2 Bf6 26. Nh5 d3 27. Re8+ Qxe8 28. Qxf6+ Qf7 29. Qxh8+ Ke7 30. Qxc8 Qxh5 31. Qe6+ Kf8 32. Qxd6+ Kg8 33. Qe6+ Kf8 34. Qe1 Qf5 35. Qe3 Kg8 36. Kf2 Kh7 37. Qe7+ Kg6 38. Qe6+ Qxe6 39. dxe6 Kf6 40. f5 h5 41. Ke3 1-0

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "3"]
[White "Grooten, Tommy"]
[Black "Van Foreest, Machteld"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2116"]
[BlackElo "2312"]
[PlyCount "56"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Bg4 7. Ne5 Bf5 8. e4 Bxe4 9. Nxe4 dxe4 10. Qb3 Qc7 11. Bc4 Nd5 12. Bxd5 cxd5 13. Rc1 Nc6 14. 0-0 f6 15. Qxd5 fxe5 16. Qxe4 Be7 17. h4 0-0 18. d5 Bxg5 19. hxg5 Rf4 20. Qe3 Raf8 21. dxc6 bxc6 22. Rc5 e4 23. Rc4 Qe5 24. Qb3 Kh8 25. Rxc6 e3 26. f3 e2 27. Re1 Qd4+ 28. Kh2 Qf2 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "4"]
[White "Schroer, Marcel"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2078"]
[BlackElo "2116"]
[PlyCount "92"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 0-0 8. Bc4 Qa5 9. a7 Rxa7 10. Bd2 Ra8 11. e5 Ne8 12. Nf3 d6 13. e6 fxe6 14. dxe6 Ba6 15. Qe2 Bxc4 16. Qxc4 Qa6 17. Qxa6 Nxa6 18. 0-0 Nec7 19. Rfe1 Nb4 20. Re2 Nc2 21. Rb1 Nd4 22. Nxd4 cxd4 23. Nd1 Rxa2 24. Bg5 Bf6 25. Bxf6 Rxf6 26. Re4 Rxe6 27. Rxe6 Nxe6 28. b4 Ra6 29. Nb2 Nc7 30. Nc4 Nb5 31. Na5 Rb6 32. f4 Nc3 33. Rb3 Nd5 34. b5 Nc3 35. Nc6 Rxb5 36. Rxb5 Nxb5 37. Nxe7+ Kf7 38. Nc6 Ke6 39. Nb4 Kf5 40. g3 Ke4 41. Kf2 d3 42. Ke1 Nd4 43. Kd2 Nf3+ 44. Kc3 d2 45. Kc2 Nxh2 46. Kxd2 Nf1+ 0-1

[Event "Helmond Rapid op"]
[Site "Helmond"]
[Date "2024.06.15"]
[Round "7"]
[White "Zhang, Xiheng"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1786"]
[BlackElo "2116"]
[PlyCount "70"]
[EventDate "2024.06.15"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 e6 6. Be3 a6 7. f3 Be7 8. Qd2 b5 9. 0-0-0 Qc7 10. g4 h6 11. h4 Nc6 12. Kb1 Nd7 13. Be2 Nb6 14. g5 Ne5 15. Rdg1 Nbc4 16. Bxc4 Nxc4 17. Qf2 Nxe3 18. Qxe3 Bd7 19. gxh6 gxh6 20. Rg2 0-0-0 21. f4 Qc5 22. Qd2 Kb8 23. Nde2 Bc6 24. Ng3 f5 25. Re2 b4 26. Nd1 Rhg8 27. Rh3 fxe4 28. Nxe4 Qb6 29. Rb3 d5 30. Nef2 Bb5 31. Re5 Rg1 32. Re1 Rdg8 33. Rbe3 Rxe1 34. Qxe1 Bd7 35. Nd3 Bd6 0-1

[Event "Eindhoven WLC op 14th"]
[Site "Eindhoven"]
[Date "2024.06.02"]
[Round "6"]
[White "Kurt, Sascha"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2061"]
[BlackElo "2094"]
[PlyCount "54"]
[EventDate "2024.05.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 b6 8. 0-0 Bb7 9. Qd3 d6 10. b4 Nbd7 11. Bb2 Be7 12. f4 0-0 13. Rac1 Rad8 14. Rfd1 Qb8 15. Bf3 Ne5 16. Qe2 Nxf3+ 17. gxf3 d5 18. cxd5 exd5 19. Nxd5 Nxd5 20. exd5 Bxb4 21. Qg2 g6 22. Nf5 Qxf4 23. Ng3 Rxd5 24. Rxd5 Bxd5 25. Nh5 Qe3+ 26. Kf1 Bc4+ 27. Qe2 Bxe2+ 0-1

[Event "Eindhoven WLC op 14th"]
[Site "Eindhoven"]
[Date "2024.06.02"]
[Round "5"]
[White "Maters, Arthur"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2156"]
[BlackElo "2094"]
[PlyCount "70"]
[EventDate "2024.05.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. c4 Be7 5. Nc3 Nf6 6. Bd3 Nbd7 7. Nge2 0-0 8. f3 Ne8 9. Be3 a6 10. a4 b6 11. Bf2 Kh8 12. h4 Rb8 13. g4 Nc7 14. Qc2 Rg8 15. Ng3 g6 16. Ke2 Nf8 17. h5 Bd7 18. Be3 Bg5 19. Qd2 Bxe3 20. Qxe3 b5 21. axb5 axb5 22. b3 bxc4 23. Bxc4 Bb5 24. hxg6 Bxc4+ 25. bxc4 Rb2+ 26. Kd3 fxg6 27. Ra7 Qb8 28. Rha1 Rg7 29. Nf1 Nxd5 30. Qh6 Nf4+ 31. Ke3 N8e6 32. Qxg7+ Nxg7 33. Ra8 Ng2+ 34. Kd3 Ne1+ 35. Ke3 Nc2+ 0-1

[Event "Eindhoven WLC op 14th"]
[Site "Eindhoven"]
[Date "2024.06.01"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Baselmans, Sam"]
[Result "0-1"]
[ECO "E93"]
[WhiteElo "2094"]
[BlackElo "2220"]
[PlyCount "114"]
[EventDate "2024.05.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 Na6 7. Be3 e5 8. d5 Nc5 9. Nd2 a5 10. a3 Ne8 11. b4 axb4 12. axb4 Rxa1 13. Qxa1 Nd7 14. g4 Bf6 15. Nf3 Ng7 16. h4 h5 17. g5 Be7 18. Qa3 f5 19. gxf6 Nxf6 20. Qc1 Ng4 21. Bg5 Bxg5 22. Qxg5 Qe8 23. Nb5 Qf7 24. Rg1 Ne8 25. Rg2 Nef6 26. Nc3 Nh7 27. Qd2 Kg7 28. Nh2 Qe7 29. Bxg4 hxg4 30. Nxg4 Rf4 31. Ne3 Qxh4 32. Qd3 Ng5 33. Ke2 Qh5+ 34. Kd2 Nf3+ 35. Kc1 Ne1 36. Qf1 Nxg2 37. Qxg2 Qh4 38. Ned1 Bg4 39. Qg3 Qxg3 40. fxg3 Rf1 41. Kd2 Bxd1 42. Nxd1 Kf7 43. Nc3 Ke7 44. Ne2 Rb1 45. Kc3 Kf6 46. c5 Ke7 47. Kc4 dxc5 48. bxc5 Kd7 49. Kc3 b6 50. c6+ Kd6 51. Kc2 Rb4 52. Nc3 Kc5 53. Kd3 Rd4+ 54. Kc2 b5 55. Kb3 Rd3 56. Kc2 Rxg3 57. d6 Kxd6 0-1

[Event "Eindhoven WLC op 14th"]
[Site "Eindhoven"]
[Date "2024.06.01"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Verhoeven, Robin"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2094"]
[BlackElo "2026"]
[PlyCount "66"]
[EventDate "2024.05.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Bg6 10. Bd3 Qa5 11. e4 Nbd7 12. e5 Nd5 13. Nxd5 Qxd5 14. Rd1 Rac8 15. Ng5 Bxd3 16. Qxd3 f5 17. exf6 Nxf6 18. Bf4 Ne4 19. Nxe4 Rxf4 20. Nc3 Qf5 21. Qxf5 exf5 22. Ne2 Re4 23. Ng3 Re7 24. Nxf5 Re2 25. Kf1 Rce8 26. Ne3 Rxb2 27. Rab1 Bc3 28. Rxb2 Bxb2 29. Rb1 Bxd4 30. Rxb7 Bxe3 31. fxe3 Rf8+ 32. Ke2 Rf7 33. Rb8+ Rf8 1/2-1/2

[Event "Eindhoven WLC op 14th"]
[Site "Eindhoven"]
[Date "2024.06.01"]
[Round "3"]
[White "Miltenburg, Steven"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "2094"]
[PlyCount "100"]
[EventDate "2024.05.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. f3 Qc7 7. Be2 b6 8. 0-0 Bb7 9. a3 Be7 10. Nc3 d6 11. Be3 0-0 12. b4 Nbd7 13. Rc1 Rac8 14. Qb3 Qb8 15. Rfd1 Bd8 16. Na4 Bc7 17. Kh1 Rfe8 18. Bg1 h5 19. c5 dxc5 20. bxc5 Bf4 21. Rc3 bxc5 22. Nc2 Be5 23. Rc4 Bc6 24. Nxc5 Nxc5 25. Qxb8 Bxb8 26. Rxc5 Ba4 27. Rd2 Bf4 28. Rxc8 Rxc8 29. Ne3 Rc1 30. Rd8+ Kh7 31. Nf1 Bb5 32. Bxb5 axb5 33. g3 Rxf1 34. Kg2 Bc7 35. Rc8 Rc1 36. Bb6 Bf4 37. Rf8 Rc2+ 38. Kh3 Bd6 39. Rxf7 Bxa3 40. Bd4 Kg6 41. Rb7 Rc4 42. Ba1 Rb4 43. Re7 Rb1 44. Rxe6 Rxa1 45. e5 Kf5 46. exf6 Kxe6 47. fxg7 Kf7 48. Kh4 Rh1 49. Kxh5 Rxh2+ 50. Kg5 Kxg7 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.12"]
[Round "6"]
[White "Grooten, Tommy"]
[Black "Van der Graaf, Jaap"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2094"]
[BlackElo "1885"]
[PlyCount "55"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nd2 d5 6. Nh3 Be7 7. 0-0 Nbd7 8. Nf3 Ne4 9. Nf4 Ndf6 10. c5 0-0 11. Ne5 Bd7 12. Nfd3 Ne8 13. Be3 Ng5 14. Bxg5 Bxg5 15. e3 Be7 16. h4 Rf6 17. b4 Rh6 18. a4 Nf6 19. f4 Be8 20. Bf3 Ne4 21. Qe1 Bh5 22. b5 Bxf3 23. Rxf3 Bxh4 24. gxh4 Rxh4 25. Ra2 g5 26. fxg5 Nxg5 27. Qxh4 Nxf3+ 28. Nxf3 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.12"]
[Round "7"]
[White "Kliashtornyi, Arkadii"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1967"]
[BlackElo "2094"]
[PlyCount "148"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. d5 b5 4. a4 Bb7 5. Bg2 b4 6. c4 g6 7. b3 Bg7 8. Bb2 d6 9. Nh3 e5 10. 0-0 0-0 11. e4 Nbd7 12. Nd2 h6 13. Qc2 Nh7 14. Rae1 Qc7 15. f3 Rae8 16. Nf2 f5 17. exf5 gxf5 18. Bh3 f4 19. Bxd7 Qxd7 20. g4 Bc8 21. Kg2 Qe7 22. Nde4 Bf6 23. Rg1 Bh4 24. Re2 Kh8 25. Kf1 Bxf2 26. Rxf2 Rg8 27. Rfg2 Rg7 28. Ke1 Ng5 29. Nxg5 hxg5 30. h4 gxh4 31. Rh1 Rh7 32. Rgh2 Kg7 33. Qf2 Reh8 34. Rh3 Kg6 35. Kd1 Kg5 36. Re1 Rh6 37. Bc1 Qh7 38. Qc2 Qxc2+ 39. Kxc2 Rg8 40. Kd3 Bd7 41. Bd2 a5 42. Re2 Be8 43. Re4 Bd7 44. Re2 Rgg6 45. Ke4 Rg7 46. Kd3 Re7 47. Bc1 Rh8 48. Bd2 Rhh7 49. Bc1 Rh8 50. Bd2 Rhe8 51. Ke4 Rb8 52. Be1 Rh8 53. Reh2 Be8 54. Kd3 Bg6+ 55. Kd2 Reh7 56. Re2 e4 57. fxe4 Kxg4 58. Rh1 f3 59. Re3 Kf4 60. Kd3 Re8 61. Bd2 Kg4 62. Rg1+ Kh5 63. Rf1 Rhe7 64. Kc2 Bxe4+ 65. Kc1 Rf7 66. Be1 Rf4 67. Bf2 Rg8 68. Kd2 Rg2 69. Ke1 h3 70. Rh1 Kg4 71. Kf1 Bc2 72. Be1 Rd4 73. Rxf3 Bd3+ 74. Rxd3 Rxd3 0-1

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.11"]
[Round "4"]
[White "Grooten, Tommy"]
[Black "Pellikaan, Govert"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2094"]
[BlackElo "1966"]
[PlyCount "98"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 a5 8. Be3 Na6 9. Nd2 Nd7 10. a3 f5 11. f3 Rb8 12. Ba7 Ra8 13. Bf2 Rb8 14. Rb1 b6 15. b4 axb4 16. axb4 Ra8 17. Na4 Nf6 18. c5 fxe4 19. fxe4 Nxd5 20. exd5 Rxf2 21. Kxf2 Qh4+ 22. g3 Qd4+ 23. Kg2 Nxb4 24. Nf3 Qxd1 25. Bxd1 bxc5 26. Nd2 Bf5 27. Ra1 e4 28. Ra3 Bb2 29. Rb3 Bc1 30. g4 Bd7 31. Nxe4 Bxa4 32. Rxb4 cxb4 33. Bxa4 Bf4 34. Bb3 Kg7 35. Rf1 g5 36. h4 h6 37. hxg5 hxg5 38. Ng3 Bxg3 39. Kxg3 Ra3 40. Rf3 Ra5 41. Re3 Rc5 42. Kf3 c6 43. Ke4 Kf6 44. dxc6 Rxc6 45. Kd5 Rc3 46. Rxc3 bxc3 47. Kxd6 Kg7 48. Ke5 Kg6 49. Bc2+ Kh6 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.11"]
[Round "5"]
[White "Wempe, Joost"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2287"]
[BlackElo "2094"]
[PlyCount "94"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. h3 0-0 7. Bd3 b5 8. Nxb5 c4 9. Bxc4 Nxe4 10. 0-0 Nd7 11. Bd3 Nec5 12. Nbd4 Bb7 13. c4 e5 14. dxe6 fxe6 15. Be2 e5 16. Nb5 e4 17. Nfd4 Ne5 18. f4 Ned3 19. Nb3 Qb6 20. Be3 Rad8 21. Bxd3 exd3 22. Nc3 Rfe8 23. Bf2 Re2 24. Nd5 Bxd5 25. cxd5 Rxb2 26. Rc1 Rxf2 27. Rxf2 Ne4 28. Qf3 Nxf2 29. Qxf2 Re8 30. Qxb6 axb6 31. Rd1 Re2 32. Rd2 Re4 33. g3 Ra4 34. Kf2 Bc3 35. Rxd3 Rxa2+ 36. Kf3 Bb4 37. Nd4 Bc5 38. Ne6 Kf7 39. Rb3 h5 40. g4 Rh2 41. Ke4 Rg2 42. gxh5 gxh5 43. Nxc5 bxc5 44. Kf5 Re2 45. Rb6 Ke7 46. Rb7+ Ke8 47. Kf6 Kf8 1-0

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.10"]
[Round "3"]
[White "Bruggink, Tycho"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1962"]
[BlackElo "2094"]
[PlyCount "63"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. Be3 b6 7. Qd2 e5 8. f4 Nf6 9. fxe5 Ng4 10. Bg5 Qc7 11. Nf3 0-0 12. 0-0-0 a5 13. d4 cxd4 14. Qxd4 Be6 15. Qd6 Rfc8 16. Qxc7 Rxc7 17. Rd8+ Rxd8 18. Bxd8 Rb7 19. Na4 Nxe5 20. Nxe5 Bxe5 21. Bxb6 c5 22. Bxc5 Bd7 23. Nb6 Bc6 24. Nc4 Bf4+ 25. Be3 Rb4 26. Bxf4 Rxc4 27. Rf1 Bxe4 28. Rf2 Bxc2 29. Rxc2 Rxf4 30. Kd2 Kg7 31. Ke3 Rf5 32. Rc4 1/2-1/2

[Event "Groningen Combinatie op"]
[Site "Groningen"]
[Date "2024.05.10"]
[Round "2"]
[White "Grooten, Tommy"]
[Black "Elgersma, Onno"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2094"]
[BlackElo "2329"]
[PlyCount "156"]
[EventDate "2024.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 h6 6. Qb3 Be7 7. e4 dxe4 8. Ne5 0-0 9. Bc4 Qe8 10. Ng6 Nc6 11. Nxf8 Bxf8 12. Nd5 Nxd5 13. Bxd5 Nxd4 14. Qc4 Bb4+ 15. Kf1 c5 16. a3 Bd7 17. Qa2 Bb5+ 18. Bc4 Nc2 19. Rb1 e3 20. Bxe3 Nxe3+ 21. fxe3 Bd2 22. a4 Bxc4+ 23. Qxc4 Qxe3 24. Qe2 Qf4+ 25. Qf2 Qc4+ 26. Qe2 Qd4 27. Rd1 Rd8 28. b3 Rd5 29. g4 f5 30. Kg2 Qe4+ 31. Kf2 Rd4 32. Rhf1 Qf4+ 33. Kg2 Qxg4+ 34. Qxg4 Rxg4+ 35. Kh1 Be3 36. Rxf5 Bd4 37. Rd5 a6 38. a5 Kh7 39. b4 Bf6 40. bxc5 Ra4 41. Rb1 Rxa5 42. Rxb7 Ra1+ 43. Kg2 Rc1 44. Ra7 Rc2+ 45. Kg3 Rc3+ 46. Kg4 Kg6 47. Rxa6 h5+ 48. Kf4 h4 49. c6 h3 50. Kg4 Kf7 51. Rd7+ Ke6 52. Rb7 Be5 53. c7+ Kd7 54. c8Q+ Kxc8 55. Re7 Bc7 56. Rxg7 Rc2 57. Kf5 Kb7 58. Ra3 Kc6 59. Rxh3 Bxh2 60. Rg6+ Kb7 61. Rh7+ Bc7 62. Ke4 Rc1 63. Rg5 Rc2 64. Rb5+ Kc6 65. Rb3 Rc4+ 66. Kd3 Rc1 67. Rc3+ Rxc3+ 68. Kxc3 Be5+ 69. Kc4 Bf4 70. Rg7 Be5 71. Rg6+ Kb7 72. Re6 Bh2 73. Kb5 Bg3 74. Re7+ Ka8 75. Kb6 Bf2+ 76. Ka6 Bg3 77. Re8+ Bb8 78. Rxb8+ Kxb8 1/2-1/2

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2024.03.30"]
[Round "5"]
[White "Grooten, Tommy"]
[Black "Ramirez Marin, Ivan"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2071"]
[BlackElo "2272"]
[PlyCount "42"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Qc2 Nc6 8. e4 Nxd4 9. Bb5+ Bd7 10. Nxd4 Qxd4 11. Bxd7+ Qxd7 12. Be3 Be7 13. 0-0 0-0 14. Rfd1 Qc6 15. Rac1 Rfd8 16. f3 h6 17. Rxd8+ Rxd8 18. Qf2 b6 19. Qg3 Kh7 20. b4 Qa4 21. Qe1 cxb4 0-1

[Event "Cappelle op 40th"]
[Site "Cappelle la Grande"]
[Date "2024.03.02"]
[Round "1"]
[White "Grooten, Tommy"]
[Black "Velten, Paul"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2071"]
[BlackElo "2475"]
[PlyCount "88"]
[EventDate "2024.03.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. e3 c5 6. a3 Ba5 7. dxc5 Bxc3+ 8. bxc3 Qa5 9. cxd5 exd5 10. Ne2 0-0 11. Bd2 Qxc5 12. c4 Nc6 13. cxd5 Nxd5 14. e4 Nb6 15. Qc1 Qe7 16. Be3 Be6 17. Qc5 Qf6 18. Rd1 Rac8 19. Qg5 Qb2 20. Nd4 Rfd8 21. Rd2 Qa1+ 22. Kf2 Nxd4 23. Rxd4 Rxd4 24. Be2 Qb2 25. Rb1 Qxb1 26. Bxd4 f6 27. Bxf6 Rc7 28. Qe5 gxf6 29. Qxc7 Nd7 30. Qg3+ Kh8 31. h4 Qb6+ 32. Kf1 Qc5 33. a4 Qe5 34. Qe1 b6 35. Qb4 Nc5 36. Bb5 Kg7 37. Kg1 h5 38. Qd2 Nb3 39. Qe3 Qc5 40. Kf2 a5 41. f4 Nd4 42. Be8 Bg4 43. e5 Nf5 44. Qxc5 bxc5 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.18"]
[Round "9.24"]
[White "Chiravanich, Pathee"]
[Black "Grooten, Tommy"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1592"]
[BlackElo "1908"]
[PlyCount "116"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Thailand II"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "THA"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Bd2 0-0 11. Kh1 Nbd7 12. f4 Nc5 13. Nf3 Nxd3 14. Qxd3 b6 15. Rae1 Bb7 16. e5 dxe5 17. fxe5 Nd7 18. Ne4 Bxe4 19. Qxe4 Rac8 20. b3 Nc5 21. Qe2 a5 22. Bf4 Rcd8 23. Rd1 Rxd1 24. Rxd1 Rd8 25. Rd6 Bf8 26. Rxd8 Qxd8 27. Be3 Bg7 28. Bd4 Nd7 29. Qe3 Qc7 30. a3 Bf8 31. a4 Bc5 32. h3 Bxd4 33. Qxd4 Nc5 34. Qe3 Qb7 35. Qg5 Qd7 36. Qh4 Qd3 37. Qh6 Ne4 38. Qh4 h5 39. Qe7 Ng3+ 40. Kh2 Nf1+ 41. Kg1 Ne3 42. Kf2 Nf5 43. Qe8+ Kg7 44. Kg1 Qe3+ 45. Kh2 Qf4+ 46. Kh1 Ng3+ 47. Kg1 h4 48. Kh2 Ne4+ 49. Kh1 Nf2+ 50. Kg1 Nxh3+ 51. gxh3 Qxf3 52. Qb5 Qg3+ 53. Kf1 Qxh3+ 54. Ke2 Qg2+ 55. Kd3 Qf2 56. Qd7 h3 57. b4 Qf3+ 58. Kd4 Qd1+ 0-1

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.17"]
[Round "8.20"]
[White "Grooten, Tommy"]
[Black "Terlouw, Wouter"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "1908"]
[BlackElo "1845"]
[PlyCount "86"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Netherlands III"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 4. e3 Nc6 5. a3 Bxc3 6. Qxc3 d5 7. cxd5 Nxd5 8. Qc2 0-0 9. d3 Be6 10. Nf3 a5 11. b3 f5 12. Be2 Qf6 13. Bb2 Rae8 14. 0-0 f4 15. Qd2 Qg6 16. Kh1 Bg4 17. Rac1 fxe3 18. fxe3 Qh6 19. e4 Qxd2 20. Nxd2 Rxf1+ 21. Bxf1 Nf4 22. Nc4 Be2 23. Bxe2 Nxe2 24. Rd1 b5 25. Ne3 Ned4 26. Bxd4 Nxd4 27. b4 axb4 28. axb4 Ra8 29. Rf1 c6 30. Ng4 Re8 31. Ra1 Nc2 32. Rb1 h5 33. Nf2 Rd8 34. Rb2 Ra8 35. h4 Nd4 36. Kh2 Ra3 37. g4 g6 38. Kg3 Rc3 39. gxh5 gxh5 40. Kg2 Rc2 41. Rb1 Ne6 42. Kf3 Nd4+ 43. Kg2 Kf7 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.17"]
[Round "7.22"]
[White "Poon, Yu"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1419"]
[BlackElo "1908"]
[PlyCount "105"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Hong Kong"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "HKG"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. a3 Nf6 7. Nc3 d6 8. Be3 Nbd7 9. Be2 b6 10. 0-0 Bb7 11. f3 Be7 12. Rc1 Rc8 13. Qd2 Qb8 14. b4 Bd8 15. Rfd1 Bc7 16. h3 0-0 17. Qe1 Rfe8 18. Qf2 d5 19. cxd5 exd5 20. Nf5 dxe4 21. fxe4 Nf8 22. Nd5 Bxd5 23. exd5 Bh2+ 24. Kh1 Rxc1 25. Bxc1 Ne4 26. Qf3 Bg3 27. Rf1 Qe5 28. Nh6+ gxh6 29. Qxf7+ Kh8 30. Bb2 Qxb2 31. Qxe8 Nf6 32. Qxf8+ Ng8 33. Bg4 Qg7 34. Be6 Be5 35. Qxg8+ Qxg8 36. Bxg8 Kxg8 37. Re1 Bd4 38. d6 Kf7 39. d7 Bf6 40. Rf1 Ke7 41. Rxf6 Kxd7 42. Rxh6 a5 43. Rxb6 axb4 44. Rxb4 Ke6 45. a4 h6 46. a5 h5 47. a6 h4 48. a7 Kd7 49. a8Q Kd6 50. Qa5 Ke7 51. Rb6 Kd8 52. Qa7 Kc8 53. Rb8# 1-0

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.16"]
[Round "6.15"]
[White "Ermitsch, Magnus"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2221"]
[BlackElo "1908"]
[PlyCount "53"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 d6 7. Qe2 Nbd7 8. c4 Qc7 9. f4 Be7 10. Nc3 0-0 11. Kh1 Re8 12. Bd2 Bf8 13. Nf3 g6 14. Rae1 Bg7 15. e5 dxe5 16. fxe5 Ng4 17. Bf4 b6 18. Ng5 Nh6 19. Nge4 Nxe5 20. Bxh6 Bxh6 21. Nf6+ Kf8 22. Nxe8 Kxe8 23. Qxe5 Qxe5 24. Rxe5 Bb7 25. Be4 Bxe4 26. Rxe4 Rd8 27. Nd5 1-0

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.15"]
[Round "5.21"]
[White "Grooten, Tommy"]
[Black "Chao, Tzu Yi Anderson"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "1908"]
[BlackElo "1319"]
[PlyCount "90"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Chinese Taipei II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "TPE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. Bf4 Nbd7 7. e3 c5 8. Be2 cxd4 9. exd4 dxc4 10. Bxc4 Nb6 11. Bd3 Bd7 12. 0-0 Rc8 13. Qb3 Be7 14. Rfd1 h6 15. Rac1 Nfd5 16. Nxd5 Nxd5 17. Be5 Bc6 18. a3 Nb6 19. Bb5 Bxf3 20. Qxf3 Rxc1 21. Rxc1 f6 22. Bg3 Qxd4 23. Qe2 Qd5 24. Rd1 Qb3 25. Bc7 Kh8 26. Bxb6 axb6 27. Bc4 Qa4 28. Bxe6 Bc5 29. Bd5 Re8 30. Qf3 Qd4 31. g3 Qxb2 32. Be4 Qxf2+ 33. Kh1 Qxf3+ 34. Bxf3 Bxa3 35. Bxb7 Bc5 36. Bc6 Rc8 37. Be4 Kg8 38. Rd7 Kf8 39. Bd5 Be7 40. Rb7 Rd8 41. Bc4 Rd6 42. Rb8+ Bd8 43. Rb7 Be7 44. Rb8+ Bd8 45. Rb7 Be7 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.15"]
[Round "4.22"]
[White "Muto, Yuhiro"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1748"]
[BlackElo "1908"]
[PlyCount "58"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Japan"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "JPN"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nc6 8. 0-0 Qc7 9. Qe2 Be7 10. Na3 a6 11. Qe4 Ndb4 12. Qg4 g6 13. Bh6 dxe5 14. Bg7 Rg8 15. Bxe5 Nxe5 16. Nxe5 Bd6 17. Rac1 Qe7 18. Qf3 Kf8 19. Bb3 Kg7 20. Nac4 Bc7 21. Nd2 Rd8 22. Nxf7 Rf8 23. Qc3 Rxf7 24. d5+ Kg8 25. dxe6 Bxe6 26. Rfe1 Bxh2+ 27. Kxh2 Qh4+ 28. Kg1 Qxf2+ 29. Kh1 Qh4+ 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.14"]
[Round "2.19"]
[White "Daniil, Daniil"]
[Black "Grooten, Tommy"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1482"]
[BlackElo "1908"]
[PlyCount "151"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Cyprus"]
[BlackTeam "Netherlands IV"]
[WhiteTeamCountry "CYP"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. a3 Nf6 7. Nc3 d6 8. Be2 b6 9. Be3 Bb7 10. f3 Be7 11. 0-0 Nbd7 12. Rc1 Rc8 13. Qd2 Qb8 14. Na4 Bd8 15. Rfd1 Bc7 16. Rc2 0-0 17. Bf2 d5 18. cxd5 Bxh2+ 19. Kh1 Rxc2 20. Nxc2 exd5 21. exd5 Bxd5 22. Nc3 Bb7 23. Nd4 Qe5 24. Be3 Qh5 25. f4 Qh6 26. Nf5 Qh3 27. Nd5 Bxd5 28. Qxd5 Nxd5 29. gxh3 Nxe3 30. Nxe3 Bxf4 31. Ng2 Be5 32. Rxd7 Bxb2 33. a4 Rc8 34. Nf4 b5 35. axb5 axb5 36. Bxb5 g6 37. Bd3 Rc1+ 38. Kg2 Be5 39. Ne2 Rc5 40. Kf3 Kg7 41. Nf4 Bxf4 42. Kxf4 Ra5 43. Rc7 Rh5 44. Kg4 Re5 45. Bc4 Rf5 46. Kg3 Rf6 47. Kg4 Rf5 48. Bd3 Re5 49. Kf4 Rh5 50. Kg3 Re5 51. Bc2 Rb5 52. Kg4 Re5 53. Kg3 Rb5 54. Kg4 Re5 55. Kf4 Rh5 56. Kg3 Re5 57. h4 h5 58. Kf4 Rb5 59. Kg3 Re5 60. Kf4 Rb5 61. Kg3 Re5 62. Kf4 Rb5 63. Kf3 Rb4 64. Kg3 Rd4 65. Rb7 Rd6 66. Rc7 Rb6 67. Kh3 Rb5 68. Kg3 Re5 69. Kh3 Rb5 70. Kg3 Re5 71. Kh2 Rb5 72. Kh3 Re5 73. Kg3 Rb5 74. Kh3 Re5 75. Kg3 Rb5 76. Kh3 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.14"]
[Round "3.25"]
[White "Grooten, Tommy"]
[Black "Lai, Hong Yi"]
[Result "1/2-1/2"]
[ECO "D50"]
[WhiteElo "1908"]
[BlackElo "1452"]
[PlyCount "89"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "Chinese Taipei"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "TPE"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c5 5. Bg5 cxd4 6. Nxd4 Be7 7. g3 0-0 8. Bg2 e5 9. Nf3 d4 10. Bxf6 Bxf6 11. Ne4 Nc6 12. h3 Be7 13. g4 f5 14. gxf5 Bxf5 15. Nfd2 d3 16. 0-0 Qd7 17. exd3 Bxh3 18. Qh5 Bg4 19. Qh2 Nd4 20. Rfe1 Ne2+ 21. Rxe2 Bxe2 22. Re1 Bxd3 23. Re3 Rf4 24. Qh5 Bxe4 25. Bxe4 Qg4+ 26. Qxg4 Rxg4+ 27. Kf1 Bg5 28. Bd5+ Kf8 29. Rf3+ Rf4 30. Rb3 Rb8 31. Ne4 Be7 32. Nc3 b6 33. Nb5 Bc5 34. f3 h5 35. Nc7 Re8 36. Nxe8 Kxe8 37. Kg2 Ke7 38. Rd3 Bd4 39. Rd2 g5 40. Re2 Kf6 41. b4 h4 42. Re4 Rxe4 43. Bxe4 Ke7 44. Kh3 Kf6 45. Kg4 1/2-1/2

[Event "World ol U16"]
[Site "Eindhoven"]
[Date "2023.08.13"]
[Round "1.2"]
[White "Grooten, Tommy"]
[Black "Xiao, Tong"]
[Result "0-1"]
[ECO "E38"]
[WhiteElo "1908"]
[BlackElo "2452"]
[PlyCount "82"]
[EventDate "2023.08.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]
[WhiteTeam "Netherlands IV"]
[BlackTeam "China"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. e3 c5 6. Nf3 Nc6 7. Be2 0-0 8. 0-0 cxd4 9. exd4 dxc4 10. Rd1 Bxc3 11. Qxc3 b5 12. a4 Nd5 13. Qc2 Ncb4 14. Qe4 f5 15. Qe5 Nc6 16. Qg3 f4 17. Qg5 Ba6 18. axb5 Bxb5 19. Qg4 Qf6 20. Ng5 Nxd4 21. Rxd4 Qxd4 22. Qxe6+ Kh8 23. Nf7+ Rxf7 24. Qxf7 a6 25. h3 Nf6 26. Bg4 Re8 27. Be6 Qe4 28. Bxf4 Qxf4 29. Rd1 Qe4 30. Bd5 Nxd5 31. Rxd5 Qe6 32. Qh5 Qe1+ 33. Kh2 Qxf2 34. Rf5 Qe3 35. Rf3 Qe6 36. Rf2 h6 37. Qf3 Bc6 38. Qa3 Qe5+ 39. g3 Qe1 40. Rf8+ Kh7 41. Rxe8 Qh1# 0-1

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.07"]
[Round "6"]
[White "Bhattacharjee, Sourav"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2192"]
[BlackElo "1901"]
[PlyCount "45"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[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 e6 3. d3 a6 4. g3 d5 5. Nbd2 Nc6 6. Bg2 Nf6 7. 0-0 Qc7 8. Re1 Be7 9. Qe2 b5 10. c3 Bb7 11. e5 Nd7 12. Nf1 g5 13. Bxg5 Bxg5 14. Nxg5 Qxe5 15. Qh5 Qf5 16. Rxe6+ Kf8 17. Qh6+ Kg8 18. Rxc6 Bxc6 19. Qxc6 Kg7 20. Qxd5 Qxd5 21. Bxd5 Rae8 22. Ne3 Ne5 23. Rd1 1-0

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.06"]
[Round "3"]
[White "Smit, Maarten"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2033"]
[BlackElo "1901"]
[PlyCount "111"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. a3 Re8 10. b4 Bf8 11. Bb2 Bg4 12. Rc1 Nd4 13. e3 Nxf3+ 14. Bxf3 Bxf3 15. Qxf3 c6 16. Rfd1 Nd5 17. d4 Nxc3 18. Rxc3 e4 19. Qe2 Qd5 20. Qc4 Red8 21. Rdc1 Qxc4 22. Rxc4 Rd5 23. Rb1 f5 24. Bc1 Bd6 25. Rc2 Kf7 26. Bd2 Ke6 27. a4 a6 28. b5 axb5 29. axb5 Rxb5 30. Rxb5 cxb5 31. Rb2 b4 32. Bxb4 Bxb4 33. Rxb4 Rb8 34. Kf1 b6 35. Ke2 g5 36. f3 b5 37. fxe4 fxe4 38. g4 Kd5 39. Kd2 h6 40. Ke2 Kc6 41. Kd2 Ra8 42. Rb2 Ra4 43. Rc2+ Rc4 44. Rxc4+ bxc4 45. Kc3 Kb5 46. d5 Kc5 47. d6 Kxd6 48. Kxc4 Kc6 49. Kd4 Kd6 50. Kxe4 Ke6 51. h3 Ke7 52. Kf5 Kf7 53. e4 Kg7 54. Ke6 Kg6 55. e5 h5 56. Kd7 1-0

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.05"]
[Round "1"]
[White "Jansen, Bob"]
[Black "Grooten, Tommy"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2229"]
[BlackElo "1901"]
[PlyCount "67"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nd2 Bf5 4. e3 Nbd7 5. f3 h6 6. Bf4 e6 7. g4 Bh7 8. h4 c5 9. c3 Rc8 10. Qb3 Qb6 11. Qxb6 Nxb6 12. a4 Nbd7 13. Ne2 Bd3 14. Kf2 Nb8 15. Bg2 Nc6 16. Bg3 Kd7 17. Nf4 Bh7 18. g5 Ne8 19. Bh3 Nc7 20. gxh6 gxh6 21. Nh5 Be7 22. dxc5 Bg6 23. Nf4 Bxc5 24. Nxg6 fxg6 25. Rag1 Rcg8 26. Bxc7 Kxc7 27. b4 Bd6 28. Bxe6 Re8 29. Bxd5 Ne5 30. Be4 Rd8 31. Ke2 Be7 32. f4 Nd7 33. Rxg6 Nb6 34. Rg7 1-0

