[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.15"]
[Round "9.3"]
[White "Ortega, Lexy"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2399"]
[BlackElo "2231"]
[PlyCount "84"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Italy 50"]
[BlackTeam "Netherlands LSG"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6 9. d4 Nbd7 10. 0-0 Qe7 11. b3 c5 12. Bb2 Rfc8 13. Rfd1 d5 14. Ne5 cxd4 15. exd4 dxc4 16. bxc4 Nxe5 17. dxe5 Ne4 18. Qe3 Nc5 19. Rd6 Rab8 20. Rad1 Bc6 21. R1d4 Ba4 22. h4 Kh8 23. h5 h6 24. Rg4 Rg8 25. Bd4 Rbc8 26. Bxc5 Rxc5 27. Bd3 f5 28. exf6 Qxf6 29. Rxe6 Qa1+ 30. Kh2 Rxh5+ 31. Kg3 Qh1 32. Qe4 Qh2+ 33. Kf3 Rf8+ 34. Ke3 Rhf5 35. Qd4 Rg5 36. Rh4 Rg3+ 37. fxg3 Qg1+ 38. Kd2 Qd1+ 39. Kc3 Qb3+ 40. Kd2 Qd1+ 41. Kc3 Qb3+ 42. Kd2 Qd1+ 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.14"]
[Round "8.3"]
[White "Van Ketel, Raoul"]
[Black "Duncan, Chris R"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2231"]
[BlackElo "2158"]
[PlyCount "135"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands LSG"]
[BlackTeam "England 50 II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Qb3 c5 6. Nxd5 Be6 7. e4 Nc6 8. Nf3 Nge7 9. dxc5 Nxd5 10. exd5 Qxd5 11. Be3 Qxb3 12. axb3 Rc8 13. Ra4 Bxb3 14. Ra3 Be6 15. Rc3 Be7 16. Bc4 Bf6 17. Rc1 Bxb2 18. Bxe6 fxe6 19. Rb1 Bc3+ 20. Ke2 Rc7 21. Rb3 Bf6 22. Rhb1 Nd8 23. Nd2 0-0 24. Ne4 Rff7 25. Rb6 Rfd7 26. Nd6 Be5 27. Ne4 Rc6 28. R6b4 h6 29. f4 Bb8 30. g3 Rd5 31. h4 Kf7 32. Rxb7+ Nxb7 33. Rxb7+ Bc7 34. Nd6+ Ke7 35. Nc4 Kd8 36. Rb3 Kc8 37. Kf3 Rd1 38. Ke4 Re1 39. Kf3 Ra1 40. Bd4 Rc1 41. Ne5 R6xc5 42. Nd3 Rd5 43. Bxg7 Rf1+ 44. Ke2 Rg1 45. Kf2 Rd1 46. Ke2 Rg1 47. Kf2 Rh1 48. Bxh6 a5 49. Bg7 a4 50. Rc3 Kb7 51. Nc5+ Ka7 52. Nxa4 Ba5 53. Rc4 Rh2+ 54. Kf3 Rd3+ 55. Kg4 Rg2 56. Bd4+ Ka6 57. Bf6 Rdxg3+ 58. Kh5 Kb5 59. Re4 Rf3 60. Bg5 Ra3 61. Rxe6 Rxa4 62. f5 Kc5 63. f6 Bb4 64. Re4 Kd5 65. Rf4 Rc2 66. f7 Rc8 67. Be7 Bxe7 68. Rxa4 1-0

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.13"]
[Round "7.3"]
[White "Van Ketel, Raoul"]
[Black "Podlesnik, Bogdan"]
[Result "0-1"]
[ECO "E25"]
[WhiteElo "2231"]
[BlackElo "2281"]
[PlyCount "58"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands LSG"]
[BlackTeam "Montenegro 50"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "MNE"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 Qa5 9. e4 Nf6 10. Be3 0-0 11. a4 Nfd7 12. Kf2 Nxc5 13. Qd6 Nxa4 14. Be2 Bd7 15. Nh3 Rc8 16. Rhd1 b5 17. Qg3 Qc7 18. Nf4 Kh8 19. Rd6 f6 20. Nh5 Be8 21. Nf4 e5 22. Ne6 Qe7 23. Rad1 Nxc3 24. R1d2 Nxe2 25. Kxe2 Nd7 26. h4 Nf8 27. Bc5 Nxe6 28. Rd7 Nf4+ 29. Ke1 Qxd7 0-1

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.12"]
[Round "6.3"]
[White "Druckenthaner, Andreas"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2225"]
[BlackElo "2231"]
[PlyCount "22"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Austria 50"]
[BlackTeam "Netherlands LSG"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg5 Bb4 6. Qf3 Be6 7. Bxf6 Qxf6 8. Qxf6 gxf6 9. Nge2 c6 10. 0-0-0 Nd7 11. a3 Ba5 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.11"]
[Round "5.3"]
[White "Van Ketel, Raoul"]
[Black "Noyce, Robert"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2231"]
[BlackElo "2132"]
[PlyCount "49"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands LSG"]
[BlackTeam "England 50 III"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. dxe6 fxe6 9. Bd3 Nc6 10. 0-0 Qe7 11. Qe1 Bd7 12. Bd2 Nb4 13. Bb1 Rad8 14. e5 Ne8 15. Ne4 d5 16. Neg5 dxc4 17. Nxh7 Kxh7 18. Ng5+ Kg8 19. Bxg6 Bh6 20. Qh4 Bxg5 21. fxg5 Nc7 22. Rf6 Qg7 23. Raf1 Rxf6 24. gxf6 Qxg6 25. f7+ 1-0

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.10"]
[Round "4.3"]
[White "Arkell, Keith C"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2377"]
[BlackElo "2231"]
[PlyCount "98"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "England 50"]
[BlackTeam "Netherlands LSG"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 0-0 8. 0-0 d5 9. cxd5 exd5 10. Nc3 Re8 11. Re1 Bb7 12. Bg5 Nbd7 13. a3 c5 14. e3 Ne4 15. Bxe7 Qxe7 16. Qd3 Rac8 17. Rec1 a6 18. Nd2 Ndf6 19. dxc5 Rxc5 20. b4 Rxc3 21. Rxc3 Nxc3 22. Qxc3 Rc8 23. Qb2 Ne4 24. Bh3 Rc7 25. Nxe4 dxe4 26. Rd1 h6 27. Qd4 b5 28. Qa7 Kh7 29. Qb8 g6 30. Kg2 Rc2 31. Qf4 Bc6 32. Bc8 Kg7 33. Bxa6 Bd7 34. Rd5 Bh3+ 35. Kxh3 Qe6+ 36. Rf5 Qxf5+ 37. Qxf5 gxf5 38. Kg2 Ra2 39. Bxb5 Rxa3 40. Bd7 Kf6 41. b5 Rb3 42. Kg1 Ke5 43. Kg2 f6 44. Kg1 Rb2 45. Kg2 Rd2 46. Bc8 Rd8 47. Bb7 Kd6 48. Bc6 Kc5 49. h3 Rd2 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.09"]
[Round "3.3"]
[White "Mengerink, Ynze"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2085"]
[BlackElo "2231"]
[PlyCount "40"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands Zuid Limburg 50"]
[BlackTeam "Netherlands LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 0-0 9. Qe2 Nc6 10. Qe4 Qg6 11. Qxg6 hxg6 12. 0-0-0 Rd8 13. Be2 Bd7 14. Rhe1 Be8 15. c3 a5 16. Ne5 Nxe5 17. dxe5 Bc6 18. g3 g5 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Terme Catez"]
[Date "2024.05.08"]
[Round "2.3"]
[White "Van Ketel, Raoul"]
[Black "Krizsany, Laszlo"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2231"]
[BlackElo "2334"]
[PlyCount "49"]
[EventDate "2024.05.07"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CB20_2024"]
[SourceDate "2024.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands LSG"]
[BlackTeam "Hungary 50"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "HUN"]

1. d4 f5 2. Bg5 g6 3. Nd2 Bg7 4. e3 Nc6 5. c3 h6 6. Bh4 Nf6 7. Bd3 e5 8. dxe5 Nxe5 9. Bc2 Qe7 10. Qe2 d6 11. Ngf3 Bd7 12. Bg3 Nxf3+ 13. Nxf3 Ne4 14. Nd2 Nxg3 15. hxg3 0-0-0 16. 0-0-0 Bc6 17. Nf3 Rhf8 18. Rd2 Rde8 19. Qc4 Be4 20. Rhd1 Bxc2 21. Rxc2 Qe4 22. Qd5 Qxd5 23. Rxd5 Kd7 24. Rd1 Re4 25. Rcd2 1/2-1/2

[Event "Leiden Noteboom op 83rd"]
[Site "Leiden"]
[Date "2024.02.17"]
[Round "3"]
[White "Becx, Cesar"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1975"]
[BlackElo "2228"]
[PlyCount "49"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. 0-0 0-0 6. d3 c5 7. a4 Nc6 8. Ne5 Bd7 9. Bf3 Qc7 10. Nxd7 Qxd7 11. g4 Ne8 12. Nc3 d4 13. Ne4 b6 14. exd4 Nxd4 15. Nxc5 Nxf3+ 16. Qxf3 Qc8 17. Nd7 Qxd7 18. Qxa8 Qxg4+ 19. Qg2 Qd7 20. a5 Nd6 21. c3 Nf5 22. axb6 axb6 23. d4 Bf6 24. Bd2 Qb5 25. b4 1/2-1/2

[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2022.10.08"]
[Round "2.10"]
[White "Van Foreest, Machteld"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2206"]
[BlackElo "2235"]
[PlyCount "83"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Qxc5 6. Ngf3 Nf6 7. Bd3 Nbd7 8. 0-0 Be7 9. Nb3 Qc7 10. c3 0-0 11. Qe2 a6 12. Bg5 Re8 13. Rfe1 b6 14. Bh4 Bb7 15. Bg3 Bd6 16. Bxd6 Qxd6 17. Rad1 Qf4 18. Ne5 Nxe5 19. Qxe5 Qxe5 20. Rxe5 Red8 21. f3 Rd7 22. Re2 Rad8 23. Red2 Kf8 24. Kf2 Ke7 25. c4 Rc8 26. Ke3 g6 27. Bf1 e5 28. Rxd7+ Nxd7 29. Nd2 f5 30. Nb1 Nf6 31. Nc3 Rd8 32. Rxd8 Kxd8 33. Bd3 Kc7 34. b4 Kd6 35. a3 Kc7 36. Bc2 Bc6 37. Bd3 a5 38. Bc2 axb4 39. axb4 Kd6 40. Bd3 Bd7 41. Bc2 Bc6 42. Bd3 1/2-1/2

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2021.07.09"]
[Round "7"]
[White "Van Ketel, Raoul"]
[Black "Tabak, Stefan"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2215"]
[BlackElo "2153"]
[PlyCount "67"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 bxc4 5. e4 e6 6. Nc3 exd5 7. e5 d4 8. exf6 d5 9. Bxc4 dxc4 10. Qe4+ Be6 11. Qxa8 dxc3 12. Ne2 Bd5 13. Qxa7 Nc6 14. fxg7 Bxg7 15. Qxc5 cxb2 16. Bxb2 Bxb2 17. Rd1 Nd4 18. Nxd4 Qe7+ 19. Qxe7+ Kxe7 20. 0-0 Kf6 21. Nc2 Be6 22. f4 c3 23. Rd6 Ke7 24. Rfd1 Ra8 25. Nb4 Ra4 26. Nd5+ Bxd5 27. R6xd5 Rc4 28. Re1+ Kf6 29. Rdd1 Rxf4 30. Rd6+ Kg7 31. Rc6 Ra4 32. Re3 Rxa2 33. Rexc3 Bxc3 34. Rxc3 1/2-1/2

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.09.25"]
[Round "6"]
[White "Van der Werf, Mark"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2391"]
[BlackElo "2215"]
[PlyCount "51"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. Qb3 a5 4. a3 Bxc3 5. Qxc3 Nf6 6. d4 0-0 7. Bg5 h6 8. Bh4 d6 9. e3 Nbd7 10. Bd3 b6 11. Ne2 c5 12. 0-0 Ba6 13. Qb3 Rc8 14. Nc3 cxd4 15. exd4 d5 16. Nb5 Bxb5 17. cxb5 Qc7 18. Bg3 Qb7 19. Bf4 Rfe8 20. Rae1 e5 21. dxe5 Ne4 22. Qd1 Ndc5 23. Bb1 Ne6 24. Bc1 N4c5 25. Qg4 Kh8 26. Re3 1-0

[Event "Leiden Noteboom op 80th"]
[Site "Leiden"]
[Date "2020.03.01"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Pijpers, Arthur"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2224"]
[BlackElo "2470"]
[PlyCount "74"]
[EventDate "2020.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 h5 7. Be2 h4 8. Nf1 b5 9. cxb5 a6 10. e5 Nh7 11. Bf3 Ra7 12. Qa4 Nd7 13. Be3 Nb6 14. Qb3 Be6 15. d5 Bf5 16. a4 Bxe5 17. Nd2 axb5 18. Nxb5 Ra6 19. 0-0 e6 20. Rfc1 Na8 21. Nc4 Ng5 22. Nxe5 dxe5 23. Bxg5 Qxg5 24. Nxc7 Nxc7 25. Rxc7 Qf4 26. Qe3 Rxa4 27. Rxa4 Qxa4 28. d6 Rd8 29. h3 Qd4 30. Qg5 Qxd6 31. Rb7 e4 32. Qf6 Rf8 33. Be2 Qd2 34. Bf1 e3 35. fxe3 Qxe3+ 36. Kh2 Qf2 37. Bc4 Qf4+ 0-1

[Event "Leiden Noteboom op 80th"]
[Site "Leiden"]
[Date "2020.02.29"]
[Round "4"]
[White "Boekelman, Jan"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2119"]
[BlackElo "2224"]
[PlyCount "56"]
[EventDate "2020.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. d5 exd5 8. cxd5 Nxd5 9. 0-0 Be7 10. Rd1 Nc6 11. a3 Nc7 12. Nc3 0-0 13. Qd3 d5 14. Nxd5 Nxd5 15. Qxd5 Qxd5 16. Rxd5 Bf6 17. Rd7 Na5 18. Bd2 Bc6 19. Rc7 Nb3 20. Rxc6 Nxa1 21. Rxf6 gxf6 22. Bc3 Rad8 23. Bh3 Nb3 24. e3 Rd6 25. Nh4 Rfd8 26. Kg2 b5 27. Nf5 Rb6 28. e4 b4 0-1

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.02.21"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Van der Marel, Lambertus"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2215"]
[BlackElo "2086"]
[PlyCount "55"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 exd5 6. cxd5 0-0 7. e4 d6 8. Nge2 Nbd7 9. a3 Ba5 10. Ng3 Ne5 11. Be2 b5 12. 0-0 a6 13. Kh1 h6 14. Be3 Re8 15. Qc1 Kh7 16. b4 cxb4 17. axb4 Bxb4 18. Nxb5 Re7 19. Qb2 a5 20. Rfc1 Ba6 21. Nd4 Bxe2 22. Qxe2 Rc8 23. f4 Neg4 24. Nc6 Rxc6 25. dxc6 h5 26. Bd4 h4 27. Nh5 Rxe4 28. Nxf6+ 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.12.20"]
[Round "3"]
[White "Oosterom, Erik"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2036"]
[BlackElo "2215"]
[PlyCount "116"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qb3 Bb7 8. 0-0 Nbd7 9. d4 a6 10. Ne5 Nxe5 11. dxe5 Nd5 12. Nc3 Be7 13. a4 0-0 14. Rd1 Qb8 15. e4 Nb6 16. f4 Bc5+ 17. Kh1 Qc7 18. Qc2 Rad8 19. b3 Rxd1+ 20. Qxd1 Rd8 21. Qe2 Bd4 22. Bb2 b4 23. Nd1 c5 24. a5 Nc8 25. Ne3 Na7 26. Bxd4 cxd4 27. Nc4 Nb5 28. f5 Nc3 29. Qg4 exf5 30. exf5 Bxg2+ 31. Kxg2 Qc6+ 32. Qf3 Qxf3+ 33. Kxf3 Kf8 34. Re1 Ke7 35. g4 Rc8 36. g5 Rxc4 37. bxc4 b3 38. f6+ gxf6 39. exf6+ Kd6 40. c5+ Kxc5 41. h4 b2 42. h5 d3 43. Ke3 b1Q 44. Rxb1 Nxb1 45. g6 d2 46. gxf7 d1Q 47. f8Q+ Qd6 48. Qc8+ Kb4 49. Qb7+ Kxa5 50. Qe7 Qg3+ 51. Kd4 Qc3+ 52. Kd5 Qf3+ 53. Kd6 Nc3 54. Kd7 Nd5 55. Qc5+ Ka4 56. Qc4+ Ka5 57. Qc5+ Ka4 58. Qc4+ Ka5 1/2-1/2

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.29"]
[Round "2"]
[White "Van Ketel, Raoul"]
[Black "Kindt, Manfred"]
[Result "1-0"]
[ECO "D93"]
[WhiteElo "2215"]
[BlackElo "2041"]
[PlyCount "51"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 0-0 7. h3 Nbd7 8. Rc1 a6 9. cxd5 cxd5 10. Qb3 Qa5 11. Be2 b5 12. 0-0 Bb7 13. a4 b4 14. Na2 Nb6 15. Rc7 Bc8 16. Nxb4 Qxa4 17. Qxa4 Nxa4 18. b3 Nb6 19. Nc6 e6 20. Rc1 a5 21. Ne7+ Kh8 22. Ne5 Ba6 23. Bxa6 Rxa6 24. R1c6 Na8 25. Rc8 Rxc6 26. Nxf7# 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.16"]
[Round "7.8"]
[White "Kryakvin, Dmitry"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2605"]
[BlackElo "2212"]
[PlyCount "81"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Molodezka"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. e3 0-0 8. Bb2 b6 9. Nc3 Ba6 10. Qe2 Rc8 11. d3 Qd7 12. Rad1 Rfe8 13. h3 h6 14. g4 Rcd8 15. Nb5 Bb7 16. Rfe1 a6 17. Na3 Qc7 18. Rc1 Qb8 19. Red1 d4 20. Nc2 e5 21. Nd2 Bf8 22. Ne4 Nxe4 23. Bxe4 Ne7 24. Qf3 Bxe4 25. Qxe4 Ng6 26. Ne1 Qa8 27. Nf3 Qxe4 28. dxe4 Bd6 29. Kf1 Nf8 30. Ke2 Ne6 31. h4 g6 32. Rh1 Nc7 33. h5 Bf8 34. g5 Rd6 35. gxh6 gxh5 36. Rxh5 Rxh6 37. Rg1+ Kh8 38. Rxe5 Bg7 39. Rxe8+ Nxe8 40. exd4 Nc7 41. e5 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.15"]
[Round "6.14"]
[White "Damjanovic, Vladimir"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2398"]
[BlackElo "2212"]
[PlyCount "115"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Itaka"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "SRB"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. c4 0-0 6. b3 c5 7. Bb2 Nc6 8. cxd5 exd5 9. d4 Bg4 10. Ne5 Be6 11. Nxc6 bxc6 12. dxc5 Bxc5 13. Nc3 Re8 14. Rc1 Rc8 15. Na4 Bf8 16. Qd4 Qa5 17. Nc5 Bf5 18. b4 Qb6 19. Qf4 Be6 20. Bxf6 gxf6 21. a3 Bg7 22. e4 Rcd8 23. Rfd1 Re7 24. exd5 cxd5 25. Rc2 f5 26. Bh3 Qd6 27. Qh4 h6 28. Nd3 d4 29. Rc5 Rde8 30. Bxf5 Bxf5 31. Rxf5 Qe6 32. Qg4 Qb3 33. Nf4 Re1+ 34. Rxe1 Rxe1+ 35. Kg2 Qc4 36. Kh3 Qf1+ 37. Kh4 Qh1 38. h3 Qe4 39. Nh5 Qxg4+ 40. Kxg4 Ra1 41. Nxg7 Kxg7 42. Rf3 Ra2 43. Kf5 Re2 44. g4 f6 45. Rd3 Rxf2+ 46. Ke4 Rc2 47. Kxd4 Rc7 48. b5 Kg6 49. a4 Rc1 50. Ra3 f5 51. gxf5+ Kxf5 52. a5 Ke6 53. b6 axb6 54. a6 Rc8 55. a7 Ra8 56. Kc4 Kd6 57. Kb5 Kc7 58. Ka6 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.14"]
[Round "5.15"]
[White "Misini, Burhanudin"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1991"]
[BlackElo "2212"]
[PlyCount "122"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Drejtesia"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "KOS"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. e5 Nc6 6. Ngf3 f6 7. exf6 Nxf6 8. Nb3 c4 9. Nbd2 Bd6 10. Be2 0-0 11. Nf1 e5 12. dxe5 Nxe5 13. Ne3 Re8 14. Nxe5 Bxe5 15. 0-0 Be6 16. Bf3 Qd7 17. Nc2 Bf5 18. Bg5 Bd3 19. Bxf6 Bxf6 20. Re1 Qb5 21. Nb4 d4 22. Rxe8+ Rxe8 23. a4 Qf5 24. Bg4 Qg5 25. Rc1 dxc3 26. bxc3 b6 27. Bf3 Rd8 28. Qe1 a5 29. Nd5 Be5 30. Qe3 Qxe3 31. fxe3 Rd6 32. Kf2 g6 33. g3 Kg7 34. e4 Re6 35. Ke3 Bd6 36. Nf4 Bc5+ 37. Kd2 Rd6 38. e5 Rd7 39. Ne6+ Kf7 40. Nxc5 bxc5 41. Bc6 Rd8 42. Ke3 Ke6 43. Kf4 h6 44. Be4 g5+ 45. Ke3 Kxe5 46. Bc6 Rd6 47. Bg2 g4 48. Re1 Rf6 49. Rc1 Rb6 50. Bf1 Bxf1 51. Rxf1 Rb3 52. Kd2 Rb2+ 53. Kc1 Rxh2 54. Rf4 h5 55. Rxc4 Kd5 56. Rf4 Rg2 57. Rf5+ Kc4 58. Rxh5 Rxg3 59. Kb2 Rg2+ 60. Ka3 Rc2 61. Rh3 Rxc3+ 0-1

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.13"]
[Round "4.12"]
[White "Van Ketel, Raoul"]
[Black "Bratkovic, Sham"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2212"]
[BlackElo "2232"]
[PlyCount "82"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Maribor"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SLO"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Rc8 10. Bd3 e6 11. h3 Qb6 12. Nge2 Bd6 13. 0-0 Bxf4 14. Nxf4 0-0 15. Qe2 Nc4 16. Rab1 Qd6 17. Rfd1 b5 18. Rbc1 Qb4 19. b3 Nd6 20. Qb2 Qa5 21. Nb1 b4 22. a4 bxa3 23. Nxa3 Qb6 24. Rxc8 Rxc8 25. Rb1 Qb4 26. Bc2 Nfe4 27. Bxe4 Nxe4 28. Nd3 Qc3 29. Ne5 Be8 30. Qxc3 Rxc3 31. Rb2 f6 32. Nf3 Rc1+ 33. Kh2 Rf1 34. Rc2 Nxf2 35. Rc8 Rh1+ 36. Kg3 Ne4+ 37. Kf4 Nd6 38. Rd8 g5+ 39. Nxg5 fxg5+ 40. Kf3 Rf1+ 41. Ke2 Ra1 0-1

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.12"]
[Round "3.12"]
[White "Reichardt, Robin"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1954"]
[BlackElo "2212"]
[PlyCount "169"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "En Passant"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Nbd2 Bc8 6. Nb1 Ba6 7. Nbd2 Bb7 8. Bg2 Bb4 9. 0-0 0-0 10. Qc2 Bxd2 11. Bxd2 Be4 12. Qc3 d6 13. Rfd1 Nbd7 14. Bg5 h6 15. Bf4 a5 16. b3 Qe7 17. Ne1 Bxg2 18. Nxg2 Ne4 19. Qd3 f5 20. f3 Nef6 21. e4 fxe4 22. fxe4 e5 23. dxe5 dxe5 24. Be3 Rad8 25. Qc2 Qe6 26. Bf2 Qh3 27. Ne3 Rf7 28. Kh1 Nh5 29. Qe2 Nhf6 30. Nf5 Rdf8 31. Bg1 Nb8 32. Nh4 Nc6 33. Rd2 Kh7 34. Rad1 g5 35. Nf5 Nxe4 36. Qxe4 Qxf5 37. Qxc6 e4 38. Rf2 Qg4 39. Rdf1 Rxf2 40. Bxf2 Rf7 41. Kg1 Qf3 42. Qe6 Rf6 43. Qe5 Rf7 44. Qd4 Qf5 45. Re1 Re7 46. Qd5 Kg6 47. Qxf5+ Kxf5 48. Be3 Rd7 49. Kf2 Rd3 50. h3 c5 51. Ke2 a4 52. Rb1 Rc3 53. g4+ Ke5 54. Rb2 Kd6 55. Kd2 Rd3+ 56. Ke2 Rc3 57. bxa4 Kc6 58. a5 bxa5 59. Rb5 Rc2+ 60. Bd2 a4 61. Ra5 Rxc4 62. Ke3 Rd4 63. Ra6+ Kd5 64. Rxh6 Rd3+ 65. Ke2 Ra3 66. Bxg5 Rxa2+ 67. Bd2 a3 68. g5 c4 69. Ke3 Rb2 70. h4 Rb3+ 71. Ke2 c3 72. Ra6 Rb2 73. Rxa3 Rxd2+ 74. Ke3 Rd3+ 75. Ke2 Rg3 76. Kf2 c2 77. Ra1 Rf3+ 78. Ke2 Kc4 79. g6 Rg3 80. h5 Rg5 81. Rh1 Rxh5 82. Rc1 Kc3 83. Rg1 Rg5 84. Rxg5 c1Q 85. Rc5+ 1-0

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.11"]
[Round "2.5"]
[White "Van Ketel, Raoul"]
[Black "Kriebel, Tadeas"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2212"]
[BlackElo "2516"]
[PlyCount "72"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Novy Bor"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CZE"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Qc2 d6 5. e4 g6 6. cxb5 a6 7. Nc3 Bg7 8. Nf3 0-0 9. Be2 axb5 10. Bxb5 Ba6 11. 0-0 Nfd7 12. a4 Nb6 13. Bf4 Bxb5 14. axb5 N8d7 15. Ra6 Rb8 16. Qe2 Qc7 17. Rfa1 Rb7 18. g4 c4 19. R6a3 Nc5 20. Be3 e6 21. Bd4 exd5 22. Bxg7 Kxg7 23. exd5 Qd7 24. Nd4 Re8 25. Qf3 Nd3 26. h3 Qe7 27. Nc6 Qg5 28. Ra7 Ne1 29. Qd1 Rxa7 30. Rxa7 Qf6 31. Rb7 Nd3 32. Qd2 Qf3 33. Nd4 Qxh3 34. Ne6+ Kg8 35. Qg5 Ne1 36. Nf4 Nf3# 0-1

[Event "EU-Cup 35th"]
[Site "Ulcinj"]
[Date "2019.11.10"]
[Round "1.19"]
[White "Van Ketel, Raoul"]
[Black "Djurovic, Peko"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2212"]
[BlackElo "1943"]
[PlyCount "59"]
[EventDate "2019.11.10"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MNE"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Crnogorac"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "MNE"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Nge2 Nh5 9. Bxe7 Qxe7 10. g4 Nhf6 11. Ng3 Nb6 12. g5 Ng8 13. h4 g6 14. Qe2 Be6 15. 0-0-0 0-0-0 16. f4 Qd7 17. Qc2 Ne7 18. b3 Kb8 19. f5 Nxf5 20. Nxf5 Bxf5 21. Bxf5 gxf5 22. Rdf1 Qe7 23. Rh3 h6 24. gxh6 Rxh6 25. Rxf5 Rxh4 26. Qh2+ Ka8 27. Rxh4 Qxe3+ 28. Qd2 Qg1+ 29. Kb2 Rg8 30. Rhf4 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.08"]
[Round "1"]
[White "De Zoeten, Cato"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1870"]
[BlackElo "2215"]
[PlyCount "62"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Bd3 Nh6 7. Ndf3 cxd4 8. cxd4 Nf5 9. Ne2 0-0 10. 0-0 Kh8 11. Re1 f6 12. Bxf5 exf5 13. Bf4 g5 14. exf6 Bxf6 15. Be5 f4 16. Nc3 Bg4 17. h3 Bh5 18. Nb5 Qd7 19. Rc1 Qg7 20. Bxf6 Rxf6 21. Qb3 a6 22. Na3 Rd8 23. Nc2 g4 24. hxg4 Bxg4 25. Ne5 Bf5 26. Nxc6 bxc6 27. Re5 Rg8 28. Ne1 Be4 29. f3 Rg6 30. fxe4 Rxg2+ 31. Kf1 Rd2 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.06.21"]
[Round "9"]
[White "Henseler, Jorgen"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2017"]
[BlackElo "2231"]
[PlyCount "109"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 a6 9. Qe2 b5 10. 0-0-0 b4 11. Na4 Qd5 12. b3 Bb7 13. Qd2 Nd7 14. Bc4 Qa5 15. d5 0-0-0 16. Qe2 exd5 17. Qxe7 dxc4 18. Rhe1 Bc6 19. Ne5 Bxa4 20. Nxc4 Qb5 21. Rd4 Nc5 22. Rxd8+ Rxd8 23. Re5 Re8 24. Qxc5 Rxe5 25. Qxe5 Qxe5 26. Nxe5 Be8 27. Kd2 Kd8 28. Ke3 Ke7 29. Kf4 Kf6 30. Nd3 a5 31. Nc5 Bc6 32. f3 Bd5 33. g3 Bc6 34. Nd3 Ke6 35. Ke3 Kd5 36. Nf4+ Ke5 37. Ne2 Bb5 38. Nd4 Bd7 39. f4+ Kd5 40. Nf3 f6 41. Nd4 c5 42. Nf3 a4 43. Nd2 Bb5 44. Nf3 c4 45. Nd4 Bd7 46. Nf3 a3 47. Nd4 Kc5 48. Nf3 cxb3 49. cxb3 Bc6 50. Ne1 Be4 51. Nd3+ Bxd3 52. Kxd3 Kd5 53. Ke3 h5 54. h4 Kc5 55. Kd3 1/2-1/2

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.04.26"]
[Round "7"]
[White "Van Ketel, Raoul"]
[Black "Huizer, Olivier"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2231"]
[BlackElo "1818"]
[PlyCount "79"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 Ba6 7. e4 Nc6 8. Bg5 Qc8 9. e5 Ng8 10. Bd3 Na5 11. Qe2 c5 12. Nh3 cxd4 13. Nf2 Bb7 14. 0-0 f6 15. exf6 Nxf6 16. cxd4 Nb3 17. Rae1 Nxd4 18. Qb2 Nc6 19. Bxf6 gxf6 20. Qxf6 Rf8 21. Qh4 Ne7 22. Qh5+ Ng6 23. Bxg6+ hxg6 24. Qxg6+ Kd8 25. Qg5+ Ke8 26. Qh5+ Kd8 27. Qh4+ Kc7 28. Rd1 Bc6 29. Ne4 Bxe4 30. Qxe4 Qa6 31. Qe5+ Kc8 32. Rd3 Qa5 33. Qxa5 bxa5 34. f4 Rb8 35. g3 Kc7 36. Rf2 a4 37. Kg2 Rb3 38. Rfd2 d5 39. cxd5 Rd8 40. Rxb3 1-0

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2019.04.20"]
[Round "5"]
[White "Lagunow, Alexander"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2371"]
[BlackElo "2202"]
[PlyCount "112"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 e5 12. dxe5 Qxe5 13. Qxc4 Be6 14. Qd3 Rad8 15. Qe3 Qh5 16. f3 Rfe8 17. Qg5 Bc4 18. Qxh5 Nxh5 19. Nc3 Bxe2 20. Rf2 Ba6 21. Bg5 Nf6 22. Rc1 Bb7 23. Bxf6 gxf6 24. Ne4 Bxe4 25. fxe4 Rd7 26. Rc4 Kg7 27. Rfc2 c5 28. Kf2 Re5 29. Ke3 Rde7 30. Kf4 h5 31. h4 Kg6 32. Rxc5 Rxe4+ 33. Kf3 Re3+ 34. Kf2 Rd3 35. R5c3 Ree3 36. Rxd3 Rxd3 37. Rc7 Rd2+ 38. Ke3 Rxb2 39. Rxa7 Rg2 40. Kf3 Rc2 41. Ra3 Kf5 42. Ra5+ Kg6 43. Ra4 Kf5 44. Rf4+ Ke5 45. a4 Rc3+ 46. Kg2 Ra3 47. Rb4 f5 48. Kh3 Ra2 49. Rb5+ Kf6 50. a5 Kg6 51. Rb6+ Kg7 52. Ra6 Kh7 53. Ra8 Kg7 54. Ra7 Kg6 55. Ra8 Kg7 56. Ra6 Ra4 1/2-1/2

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.03.22"]
[Round "6"]
[White "Van der Velden, Bram"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2172"]
[BlackElo "2231"]
[PlyCount "103"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 0-0 5. Qc2 d6 6. Bd2 Nbd7 7. a3 Bxc3 8. Bxc3 Qe7 9. e3 e5 10. Be2 exd4 11. Nxd4 Nc5 12. b3 Re8 13. Bb2 Ng4 14. 0-0 Qh4 15. Nf3 Qh6 16. h3 Nf6 17. Rad1 Bd7 18. Rd4 a5 19. Rf4 Re6 20. Rd1 Rae8 21. Rdd4 Qg6 22. Qd1 Re4 23. Rdxe4 Rxe4 24. Nh4 Qh6 25. Nf5 Bxf5 26. Rxf5 Re6 27. Bxf6 gxf6 28. Bf3 b6 29. b4 axb4 30. axb4 Ne4 31. Qa1 Ng5 32. Bd5 Re5 33. Rf4 Qg6 34. Rg4 h5 35. Rg3 h4 36. Rg4 Rxd5 37. cxd5 f5 38. Rc4 f4 39. Rxc7 Kh7 40. Rc8 Nf3+ 41. Kh1 Ne5 42. exf4 Qf5 43. Qc1 Ng6 44. Qc3 Qxf4 45. Kg1 Qf5 46. Qc4 Qe5 47. Qc1 Qxd5 48. Rc7 b5 49. Qe3 Kg7 50. Kh2 Ne5 51. Qg5+ Ng6 52. Qxd5 1-0

[Event "Leiden Noteboom Memorial 79th"]
[Site "Leiden"]
[Date "2019.02.22"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Frans, Richard"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2210"]
[BlackElo "2017"]
[PlyCount "59"]
[EventDate "2019.02.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Bb4 5. f3 0-0 6. e4 h6 7. Bxf6 Qxf6 8. e5 Qe7 9. a3 Bxc3+ 10. bxc3 d6 11. exd6 cxd6 12. Be2 e5 13. Nh3 Nc6 14. 0-0 f4 15. Nf2 Qh4 16. Ne4 Rf5 17. Qe1 Qxe1 18. Rfxe1 exd4 19. Nxd6 Rf8 20. c5 Bf5 21. Bc4+ Kh8 22. cxd4 Nxd4 23. Re5 Nc2 24. Rc1 Ne3 25. Nxb7 Bd7 26. Re7 Ba4 27. Bd3 Rfe8 28. Rxe8+ Rxe8 29. Nd6 Rf8 30. c6 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.02.15"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Van der Knaap, Jan"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2231"]
[BlackElo "1769"]
[PlyCount "103"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bg7 7. Bb2 Nf6 8. g3 0-0 9. Nh3 Re8 10. Nf4 Bf5 11. Bg2 Ne4 12. Nxe4 Bxe4 13. Bxe4 Rxe4 14. Bxg7 Kxg7 15. Qb2+ f6 16. 0-0 Qe8 17. f3 Re5 18. e4 Qf7 19. Rac1 a5 20. Rf2 Nb4 21. a3 Nc6 22. Rd2 Kg8 23. Nd5 Rf8 24. g4 Ree8 25. Qc3 Qg7 26. Rg2 Rf7 27. Rf1 Re5 28. Qd3 Kh8 29. b4 axb4 30. axb4 Re8 31. f4 Rd7 32. h4 Ne7 33. Ne3 Rdd8 34. Nc2 Ng8 35. Rd1 Qe7 36. Re2 f5 37. Qc3+ Qf6 38. e5 dxe5 39. Rxd8 Rxd8 40. g5 Rd1+ 41. Kf2 Qg7 42. Rxe5 h6 43. Ne3 Rd7 44. Nd5 Kh7 45. Qe3 Qf7 46. Qc5 c6 47. Ne3 Rd2+ 48. Kf3 Qd7 49. Qf8 Rd3 50. gxh6 b6 51. h5 gxh5 52. Re8 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.01.11"]
[Round "4"]
[White "Van Haastert, Edwin"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2438"]
[BlackElo "2231"]
[PlyCount "149"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Bc5 9. Qd2 Bxd4 10. Bxd4 Nxd4 11. Qxd4 Qb6 12. Qd2 Nc5 13. 0-0-0 Bd7 14. Qd4 0-0-0 15. b4 Na6 16. Qxb6 axb6 17. a3 Rdg8 18. h4 h5 19. Rh3 Kd8 20. Rg3 g6 21. Bd3 Ke7 22. Ne2 Nc7 23. Nd4 Ra8 24. Kb2 Ne8 25. Re3 Ng7 26. c4 dxc4 27. Bxc4 Rhd8 28. Bb3 Rac8 29. Bc2 Rc4 30. Rc3 Rxc3 31. Kxc3 Rc8+ 32. Kb3 Ra8 33. b5 Rc8 34. a4 Rc7 35. Rd2 Bc8 36. Nf3 Rd7 37. Rxd7+ Kxd7 38. Ng5 Ke7 39. Kb4 Ne8 40. a5 Nc7 41. Be4 bxa5+ 42. Kxa5 Bd7 43. b6 Nd5 44. Bxd5 exd5 45. Nf3 f6 46. Nd4 fxe5 47. fxe5 Bf5 48. Kb4 Bd3 49. Kc5 Bc4 50. Nc6+ Kd7 51. Na5 Bf1 52. g3 d4 53. Kxd4 Bg2 54. Nc4 Ke6 55. Nd6 Bc6 56. Ne4 Kf5 57. Nc5 Bf3 58. Nd3 Bc6 59. Nf4 Bf3 60. e6 Kf6 61. Kc5 Ke7 62. Nxg6+ Kxe6 63. Kd4 Kf5 64. Ke3 Bh1 65. Nf4 Kg4 66. Kf2 Be4 67. Ne6 Kf5 68. Ng7+ Kg6 69. Ne8 Bc6 70. Nd6 Kf6 71. Ke3 Ke5 72. Nc4+ Kf5 73. Kf2 Bh1 74. Ne3+ Ke4 75. Ng2 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.12.07"]
[Round "3"]
[White "Van Ketel, Raoul"]
[Black "Van der Marel, Lambertus"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2231"]
[BlackElo "2127"]
[PlyCount "117"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. f3 d5 7. e3 c5 8. cxd5 Nxd5 9. c4 Ne7 10. Bd3 Nbc6 11. Ne2 Ng6 12. Bb2 Qg5 13. Qd2 cxd4 14. exd4 Qxd2+ 15. Kxd2 b6 16. Bc3 Ba6 17. Rac1 Rfd8 18. Ke3 f5 19. Rhd1 Rac8 20. f4 Nb8 21. Bb4 Bb7 22. g3 Nd7 23. Ng1 Nf6 24. h3 Rd7 25. Nf3 Rcd8 26. Bc3 Ne4 27. Bxe4 Bxe4 28. Ng5 Bb7 29. Nxe6 Re8 30. d5 Nf8 31. Be5 h6 32. Nxf8 Kxf8 33. Kd4 b5 34. d6 bxc4 35. Rxc4 Red8 36. Rdc1 Bg2 37. Rc8 Rxc8 38. Rxc8+ Kf7 39. Kc5 Ke6 40. h4 Kf7 41. a4 Bb7 42. Rb8 Bf3 43. a5 h5 44. Kb5 Be4 45. a6 Bf3 46. Kc5 Be4 47. Rc8 Bf3 48. Rb8 Be4 49. Rb2 Ke6 50. Rd2 Bf3 51. Bc3 Be4 52. Ba5 Bf3 53. Bc7 Be4 54. Re2 Kf7 55. Rb2 Bd3 56. Kc6 Ke6 57. Kb7 Be4+ 58. Kxa7 Rf7 59. Rb8 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.11.09"]
[Round "2"]
[White "Van Vleuten, Ronald"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1744"]
[BlackElo "2231"]
[PlyCount "70"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 Bg4 4. e3 e6 5. Be2 Nbd7 6. 0-0 Bd6 7. d4 0-0 8. h3 Bxf3 9. Bxf3 Qe7 10. Nd2 e5 11. dxe5 Nxe5 12. Be2 Rad8 13. Nf3 Ng6 14. Bd3 a6 15. Qe2 Rfe8 16. Rfe1 c5 17. c4 Bc7 18. Qc2 dxc4 19. Bxg6 hxg6 20. Bxf6 gxf6 21. bxc4 Rd7 22. Red1 Red8 23. Kf1 b5 24. cxb5 axb5 25. Rxd7 Qxd7 26. Ke2 Qc6 27. g3 Kg7 28. Rb1 Qa6 29. Rc1 Bb6 30. Nd2 Rd5 31. Nb3 Qc8 32. Nd2 Qxh3 33. Rb1 Qg4+ 34. Ke1 Ba5 35. Rd1 Rh5 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.10.19"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Kindt, Manfred"]
[Result "1-0"]
[ECO "D82"]
[WhiteElo "2231"]
[BlackElo "1976"]
[PlyCount "71"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 Ne4 8. Nge2 dxc4 9. Qa4+ Qxa4 10. Nxa4 Bd7 11. Nec3 Nxc3 12. Nxc3 Na6 13. Bxc4 Nxc5 14. 0-0 0-0 15. b4 e5 16. Bg3 Be6 17. Be2 Nd7 18. Bf3 Rab8 19. Rfd1 Rfc8 20. Nd5 Rxc1 21. Rxc1 Bf8 22. a3 Bd6 23. Rd1 Rd8 24. Bh4 Rc8 25. h3 f5 26. Nf6+ Nxf6 27. Rxd6 Kf7 28. Bxb7 Rc1+ 29. Kh2 Ne8 30. Ra6 h6 31. Bg3 e4 32. Be5 Ke7 33. Rxa7 Kd8 34. Ra8+ Kd7 35. b5 Rc5 36. Bc6+ 1-0

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.30"]
[Round "9"]
[White "Hommes, Elmar"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2039"]
[BlackElo "2214"]
[PlyCount "124"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 e5 12. dxe5 Qxe5 13. Qxc4 Be6 14. Qd3 Rad8 15. Qe3 Qh5 16. f3 Rfe8 17. Qf2 Bc4 18. Nc3 h6 19. Re1 a5 20. e4 Rd3 21. Be3 Nd7 22. Ne2 g5 23. Kg2 Ne5 24. h3 Qg6 25. Nd4 Kh7 26. b3 Ba6 27. Rac1 Rd8 28. Nf5 R8d7 29. Rc5 Qe6 30. Qc2 Bb7 31. Nd4 Nxf3 32. Nxf3 Qxe4 33. Qe2 Re7 34. Rc4 Qxe3 35. Qxe3 Rexe3 36. Rxe3 Rxe3 37. Rxc7 Bd5 38. Rd7 Be6 39. Rd2 Bxh3+ 40. Kxh3 Rxf3 41. Rd5 Rf2 42. Rxa5 f5 43. g4 Rf3+ 44. Kg2 fxg4 45. b4 Rf4 46. Rb5 Rc4 47. a4 Kg6 48. a5 Rc2+ 49. Kg3 Rc3+ 50. Kg2 Ra3 51. Rb6+ Kh5 52. a6 g3 53. Rc6 Kh4 54. b5 Ra2+ 55. Kf3 h5 56. Rc1 g4+ 57. Ke3 g2 58. Kd4 Kg3 59. Kd5 Kh2 60. Kc5 g1Q+ 61. Rxg1 Kxg1 62. b6 Ra5+ 0-1

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.29"]
[Round "8"]
[White "Van Ketel, Raoul"]
[Black "Rigopoulos Tsigkos, Alexandros"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2214"]
[BlackElo "2117"]
[PlyCount "133"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4 a5 10. bxa5 Rxa5 11. Nbd2 Nge7 12. Ng5 0-0 13. Qh5 h6 14. Nxe6 fxe6 15. Nc4 Ra8 16. Nxb6 cxb6 17. Ra3 Qe8 18. Qh3 Qg6 19. Re1 e5 20. Rg3 Qf6 21. Rf1 Kh7 22. Ba3 Rfd8 23. Rd1 Ng6 24. Bc1 Nf4 25. Qg4 d3 26. Kh1 h5 27. Qg5 d2 28. Qxf6 gxf6 29. Bb2 Rac8 30. h3 Nd4 31. Rxd2 Nxb5 32. Rxd8 Rxd8 33. axb5 Rd1+ 34. Kh2 Rd2 35. Bc1 Rxf2 36. Bxf4 Rxf4 37. Rc3 Rxe4 38. Rc7+ Kg6 39. Rxb7 Rb4 40. Rxb6 Kf5 41. Rb8 Ke4 42. b6 f5 43. b7 h4 44. Kg1 Rb1+ 45. Kh2 f4 46. Rh8 Rxb7 47. Rxh4 Ke3 48. Rh8 Rb2 49. Ra8 e4 50. Ra3+ Kf2 51. Ra4 Re2 52. h4 f3 53. gxf3 e3 54. Kh3 Re1 55. Kg4 Rg1+ 56. Kf5 Rg3 57. h5 e2 58. Ra1 Rxf3+ 59. Kg6 Rg3+ 60. Kf7 Rg1 61. Ra2 Rf1 62. Kg7 Rg1+ 63. Kf7 Kf3 64. Rxe2 Kxe2 65. h6 Rh1 66. Kg7 Rxh6 67. Kxh6 1/2-1/2

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.28"]
[Round "7"]
[White "Schippers, Maurice"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2302"]
[BlackElo "2214"]
[PlyCount "101"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. h3 0-0 13. Be3 h6 14. Rc1 g5 15. Ne5 Qg7 16. Nxc6 bxc6 17. Rxc6 Bb8 18. Qd2 Bd7 19. Rc2 Bd6 20. b4 Rab8 21. a3 Rf7 22. Rb1 Nh5 23. f3 Kh8 24. Rbc1 Rg8 25. Ba6 Rff8 26. Rc3 Bb8 27. Rc7 Rf7 28. R1c5 Qf8 29. Qc1 Qd6 30. Bd3 Be8 31. Rxf7 Bxf7 32. Rb5 Qh2+ 33. Kf2 Bg3+ 34. Nxg3 Qxg3+ 35. Kf1 Nf4 36. Bxf4 gxf4 37. Qc2 Qg7 38. Rb7 Qf6 39. Rxa7 Rf8 40. Qc5 Kg8 41. b5 Bg6 42. Be2 Qf5 43. Qc1 Qf6 44. Qc3 Qf5 45. Kf2 Qf6 46. a4 Re8 47. Kf1 e5 48. dxe5 Rxe5 49. Ra6 Qe7 50. Rxg6+ Kf7 51. Rxh6 1-0

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.27"]
[Round "6"]
[White "Zelbel, Patrick"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2456"]
[BlackElo "2214"]
[PlyCount "125"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Bf4 Bxf4 13. Nxf4 0-0 14. Qd2 Qb4 15. Qxb4 Nxb4 16. Bb5 a6 17. Be2 Ne4 18. Nd3 Nxd3 19. Bxd3 Bd7 20. Bxe4 dxe4 21. Ng5 Bc6 22. Rfe1 Rfd8 23. Rad1 Rd7 24. Nxe6 Rd6 25. Nc5 Rad8 26. Nxe4 Rxd4 27. Nc3 Kf7 28. f3 Rd2 29. Rxd2 Rxd2 30. Re2 Rd3 31. Kf2 h6 32. Ke1 Rd7 33. Rd2 Re7+ 34. Kf2 Re6 35. a3 Re5 36. Re2 Rc5 37. Ke3 Bd7 38. Kd4 Rc6 39. Ne4 Be6 40. Nc5 Rd6+ 41. Ke3 Bc8 42. Rc2 Bf5 43. Nxb7 Rd3+ 44. Kf4 Rxf3+ 45. Kxf3 Bxc2 46. Nc5 a5 47. Nb7 a4 48. Nc5 Kf6 49. Ke3 Kg5 50. Kd2 Bg6 51. Nxa4 Be4 52. g3 Kg4 53. Nc5 Bd5 54. Nd3 g5 55. Ne5+ Kh3 56. g4 Kxh2 57. a4 Kg3 58. Ke3 Bb3 59. a5 Be6 60. b4 Bc8 61. b5 Bb7 62. a6 Bc8 63. Nf7 1-0

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.26"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Pappelis, Dimitrios"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2214"]
[BlackElo "2114"]
[PlyCount "137"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Bg4 8. cxd5 cxd5 9. Qb3 b6 10. h3 Bxf3 11. Bxf3 e6 12. Bd2 Nc6 13. Qa4 Na5 14. b3 a6 15. Ne2 Nb7 16. Qc6 Rb8 17. Rac1 Re8 18. Bb4 Bf8 19. Bxf8 Kxf8 20. Nf4 Nd6 21. Nd3 Qd7 22. Ne5 Qxc6 23. Rxc6 Red8 24. Be2 a5 25. f3 Nfe8 26. Ba6 f6 27. Nd3 Ke7 28. Rfc1 Rd7 29. Nb2 Ra7 30. Bd3 Kd7 31. Na4 Rc7 32. Rxc7+ Nxc7 33. Kf2 Ncb5 34. h4 e5 35. dxe5 fxe5 36. h5 e4 37. Bxb5+ Nxb5 38. hxg6 hxg6 39. Rh1 Ke6 40. Rc1 Kd6 41. f4 Na3 42. Nc3 Ke6 43. Ne2 Nb5 44. g4 d4 45. a4 dxe3+ 46. Kxe3 Nd6 47. Nd4+ Kd5 48. Rd1 Kc5 49. Ne6+ Kc6 50. Kd4 Re8 51. Ke5 Nf7+ 52. Kf6 Nd6 53. Rc1+ Kb7 54. Rc7+ Kb8 55. Rc3 Nb7 56. Re3 Nd6 57. Ke5 Nf7+ 58. Kd5 Nh6 59. g5 Ng4 60. Rxe4 Rc8 61. Nd4 Nf2 62. Re7 Rd8+ 63. Kc4 Rf8 64. f5 gxf5 65. g6 Ng4 66. Nc6+ Kc8 67. g7 Rg8 68. Rf7 Nh6 69. Ne7+ 1-0

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.24"]
[Round "4"]
[White "Theulings, Paul Peter"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2089"]
[BlackElo "2214"]
[PlyCount "156"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 b6 3. g3 Bb7 4. Bg2 f5 5. 0-0 Nf6 6. d3 Be7 7. Nc3 0-0 8. e4 c5 9. exf5 exf5 10. Re1 Re8 11. Bf4 Na6 12. Nb5 d5 13. Ng5 Qd7 14. Ne6 Bf8 15. Nbc7 Nxc7 16. Nxc7 Rxe1+ 17. Qxe1 Rd8 18. Qe6+ Qxe6 19. Nxe6 Rd7 20. Nc7 Bd6 21. Bxd6 Rxd6 22. Re1 Rd7 23. Ne8 Kf7 24. Nxf6 Kxf6 25. Re8 dxc4 26. Bxb7 Rxb7 27. dxc4 Rd7 28. Re2 g5 29. Kg2 h5 30. b3 Rd4 31. Kf3 f4 32. Kg2 fxg3 33. fxg3 a5 34. Rf2+ Ke5 35. Re2+ Re4 36. Rd2 Rd4 37. Re2+ Kd6 38. Kf3 a4 39. Ke3 Ke5 40. Rf2 axb3 41. axb3 Rd1 42. Rb2 Rc1 43. Kd2 Rh1 44. Ke3 Rc1 45. Kd2 Rf1 46. Ke2 Ra1 47. Kd3 Rd1+ 48. Ke2 Rd6 49. Ke3 g4 50. Ra2 Rf6 51. Ke2 Rf3 52. Rb2 Kd4 53. Rd2+ Kc3 54. Rd6 Kxb3 55. Rxb6+ Kxc4 56. Rh6 Rf5 57. Ke3 Re5+ 58. Kf4 Kd4 59. Ra6 c4 60. Ra1 Re2 61. Rd1+ Kc3 62. Rh1 Kd2 63. h3 c3 64. hxg4 hxg4 65. Rh8 c2 66. Rd8+ Ke1 67. Rc8 Kd1 68. Kxg4 c1Q 69. Rxc1+ Kxc1 70. Kf5 Rf2+ 71. Ke4 Rg2 72. Kf4 Kd2 73. g4 Kd3 74. Kf5 Kd4 75. g5 Kd5 76. Kf6 Kd6 77. g6 Rf2+ 78. Kg7 Ke7 0-1

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.23"]
[Round "2"]
[White "Bekedam, Tyro"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2073"]
[BlackElo "2214"]
[PlyCount "118"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Be7 7. Be3 b6 8. Qd2 Nc6 9. Bd3 0-0 10. 0-0 f5 11. Kh1 Bb7 12. Qf2 cxd4 13. Nxd4 Nxd4 14. Bxd4 Nc5 15. Rg1 Ne4 16. Nxe4 dxe4 17. Bc4 Bd5 18. Bxd5 Qxd5 19. Rgd1 Rfd8 20. Qe2 Qc6 21. Be3 Rac8 22. c3 Rd5 23. Kg1 Rcd8 24. Kf2 Rd3 25. Bd4 Qb5 26. Rxd3 exd3 27. Qd2 Bc5 28. Be3 Bxe3+ 29. Kxe3 g5 30. g3 Kf7 31. Kf2 g4 32. Re1 Qd5 33. a3 h5 34. Kg1 Kg6 35. Rd1 a5 36. Qg2 Qc5+ 37. Qf2 Qc6 38. Qe3 Qb5 39. Rd2 a4 40. Kf2 Rd7 41. Kg1 Kf7 42. Qf2 Ke7 43. Qg2 Rd8 44. Qf2 Kd7 45. Qe3 Kc6 46. Kf2 Qc4 47. Kf1 Kb5 48. Ke1 Rd7 49. Kf1 Qd5 50. Kg1 Qc5 51. Kf2 Kc4 52. Rd1 Kb3 53. Rd2 Rd8 54. Qxc5 bxc5 55. Ke3 c4 56. Kf2 Ka2 57. Ke3 Kb1 58. Rd1+ Kc2 59. Rd2+ Kc1 0-1

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.23"]
[Round "3"]
[White "Van Ketel, Raoul"]
[Black "Beerdsen, Thomas"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "2214"]
[BlackElo "2419"]
[PlyCount "72"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 d5 7. cxd5 exd5 8. e3 0-0 9. Bd3 c5 10. Ne2 Ba6 11. Bxa6 Nxa6 12. 0-0 Re8 13. Ng3 cxd4 14. cxd4 Qd7 15. Qe2 Nc7 16. Qf2 Nb5 17. Bb2 Nd6 18. Rae1 Re6 19. Re2 Rae8 20. Rfe1 a5 21. h3 b5 22. Nf1 Nc4 23. g4 h6 24. Ng3 b4 25. axb4 axb4 26. e4 dxe4 27. fxe4 Nxb2 28. Rxb2 Nxe4 29. Nxe4 Rxe4 30. Rxe4 Rxe4 31. Rxb4 h5 32. Qh4 Qd6 33. Ra4 Qc6 34. Ra1 hxg4 35. hxg4 Rxd4 36. Re1 Qd7 0-1

[Event "Groningen op-A 55th"]
[Site "Groningen"]
[Date "2017.12.22"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Tiviakov, Sergei"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "2214"]
[BlackElo "2583"]
[PlyCount "122"]
[EventDate "2017.12.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 Nh5 7. g3 f5 8. e4 d6 9. exf5 exf5 10. Bd3 c5 11. Ne2 Nc6 12. 0-0 b6 13. Qc2 g6 14. Bh6 Rf7 15. g4 Ng7 16. Ng3 cxd4 17. Bxg7 Rxg7 18. gxf5 gxf5 19. Bxf5 Bxf5 20. Qxf5 Kh8 21. Qe4 Na5 22. Kh1 Qe8 23. Qd5 Qg8 24. cxd4 Nxc4 25. Qxg8+ Raxg8 26. a4 Rf7 27. Rae1 Nd2 28. Rf2 Nxf3 29. Re6 d5 30. Rd6 Rg5 31. a5 bxa5 32. Rd8+ Kg7 33. Ra2 Nxd4 34. Rxa5 Ne2 35. Rdxd5 Nxg3+ 36. hxg3 Rxg3 37. Kh2 Rg6 38. Rd8 Re6 39. Ra8 Ree7 40. Ra3 h6 41. Kg3 Kh7 42. Ra5 Rg7+ 43. Kf4 Ref7+ 44. Ke4 Kg6 45. Rh8 Rf6 46. Re8 Rd7 47. Ree5 a6 48. Re8 Kf7 49. Rae5 Rf1 50. Ra8 Rd6 51. Ra5 Re6+ 52. Kd3 Rd1+ 53. Kc2 Rdd6 54. Rf5+ Kg6 55. Rf2 Re5 56. Rg8+ Kh7 57. Rc8 h5 58. Rg2 Rg6 59. Rh8+ Kxh8 60. Rxg6 a5 61. Kd3 Kh7 0-1

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.03.19"]
[Round "7.8"]
[White "Van Ketel, Raoul"]
[Black "Erwich, Frank"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2229"]
[BlackElo "2370"]
[PlyCount "151"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 cxd4 6. Nxd4 Ne4 7. Qd3 Qa5 8. Nb3 Nxc3 9. Bd2 Ne4 10. Qxe4 Bxd2+ 11. Nxd2 0-0 12. Bg2 Nc6 13. Qe3 d5 14. 0-0 d4 15. Qd3 e5 16. a3 f5 17. b4 Qd8 18. Rac1 e4 19. Qb1 Be6 20. Rfd1 Qf6 21. Qb2 Rad8 22. Nb3 f4 23. Nc5 fxg3 24. fxg3 Qf2+ 25. Kh1 Bg4 26. Nxe4 Qxe2 27. Qxe2 Bxe2 28. Rd2 Bf3 29. Nc5 Bxg2+ 30. Kxg2 Rf7 31. Re1 b6 32. Nb3 Rc7 33. Re4 d3 34. c5 Re7 35. Rxe7 Nxe7 36. Kf3 Nc6 37. Ke4 bxc5 38. bxc5 Rb8 39. Rxd3 Re8+ 40. Kf4 Rf8+ 41. Ke3 Rb8 42. Rc3 Kf7 43. Ke4 Ke7 44. Kd5 Kd7 45. Re3 Rd8 46. Kc4 Kc7 47. Re4 Rd1 48. Re8 Rd7 49. h4 h5 50. Re6 Rd8 51. Re4 Rd1 52. Re3 Rg1 53. Kc3 a5 54. Nd4 Rc1+ 55. Nc2 Rb1 56. Nd4 Rc1+ 57. Kd2 Rc4 58. Nb5+ Kd7 59. Rd3+ Ke7 60. Rd5 Rg4 61. Rg5 Rxg5 62. hxg5 Ke6 63. Nc3 Ke5 64. Kd3 Nd4 65. Kc4 Nf3 66. g6 h4 67. gxh4 Nxh4 68. c6 Kd6 69. Kb5 Nxg6 70. Kb6 Ne7 71. Ne4+ Kd5 72. Nc3+ Kc4 73. Ne4 Nxc6 74. Kxc6 Kb3 75. Kb5 Kxa3 76. Kxa5 1/2-1/2

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.07"]
[Round "5"]
[White "Van der Werf, Mark"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2416"]
[BlackElo "2211"]
[PlyCount "61"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 b6 3. e4 Bb7 4. Nge2 c5 5. g3 Nc6 6. Bg2 Nf6 7. 0-0 d6 8. d4 Be7 9. d5 exd5 10. exd5 Ne5 11. f4 Ned7 12. h3 0-0 13. g4 Ne8 14. Qd3 Nc7 15. g5 a6 16. b3 b5 17. Bb2 Rb8 18. Rab1 Bc8 19. Ng3 Nb6 20. Nce4 Ne8 21. h4 f5 22. Nd2 Rf7 23. Bc3 Bf8 24. h5 Bd7 25. Nf3 Qc8 26. Nh4 bxc4 27. bxc4 Na4 28. Rxb8 Qxb8 29. Ba1 Qb4 30. Rb1 Qa5 31. Ngxf5 1-0

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "2"]
[White "Ikonnikov, Vyacheslav"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2544"]
[BlackElo "2211"]
[PlyCount "67"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 Bxc3 8. Qxc3 d6 9. b4 Nbd7 10. Bb2 Qe7 11. d4 c5 12. Rfd1 Rfc8 13. dxc5 dxc5 14. b5 Rd8 15. a4 a5 16. Rd3 Be4 17. Re3 Bb7 18. Rd1 Nf8 19. Red3 Ng6 20. Ne5 Nxe5 21. Rxd8+ Rxd8 22. Rxd8+ Qxd8 23. Bxb7 Qd1+ 24. Kg2 Qd7 25. Ba6 Qd4 26. Qxd4 cxd4 27. c5 bxc5 28. b6 Ned7 29. b7 Nb8 30. Bb5 Kf8 31. Ba3 Nfd7 32. Bxd7 Nxd7 33. Bxc5+ Ke8 34. Bd6 1-0

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.05"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Hagendijk, Klaas"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2211"]
[BlackElo "1999"]
[PlyCount "49"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 Nh5 7. Nh3 f5 8. Bg5 Qd7 9. e4 0-0 10. e5 h6 11. f4 Qe8 12. Be2 hxg5 13. Bxh5 g6 14. Be2 g4 15. Ng5 Kg7 16. Qb3 c6 17. 0-0-0 Rh8 18. h3 gxh3 19. Nxh3 Nd7 20. Ng5 Nf8 21. Rxh8 Kxh8 22. Qb4 b6 23. Qd6 Kg8 24. Rh1 Qd7 25. Rh8+ 1-0

[Event "EU-Cup 31st"]
[Site "Skopje"]
[Date "2015.10.23"]
[Round "6.6"]
[White "Van Ketel, Raoul"]
[Black "Vanstreels, Luc"]
[Result "0-1"]
[ECO "E25"]
[WhiteElo "2229"]
[BlackElo "2071"]
[PlyCount "65"]
[EventDate "2015.10.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "MKD"]
[SourceTitle "CBM 169"]
[Source "ChessBase"]
[SourceDate "2015.11.10"]
[SourceVersion "1"]
[SourceVersionDate "2015.11.10"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Eynatten"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 Qa5 9. e4 Ne7 10. Be3 0-0 11. Qb3 Qc7 12. a4 Nd7 13. Qa3 f5 14. Nh3 fxe4 15. fxe4 Ng6 16. Nf2 Nde5 17. Bb5 Nf4 18. Bxf4 Rxf4 19. 0-0 Rh4 20. Rfd1 a6 21. Be2 Bd7 22. Qb4 Nc6 23. Qb6 Qxh2+ 24. Kf1 Rf8 25. Bf3 Bc8 26. Ke2 Qg3 27. Rh1 Ne5 28. Qc7 Rxf3 29. Qxc8+ Rf8 30. Qxe6+ Kh8 31. Rhf1 Rxf2+ 32. Rxf2 Qd3+ 33. Ke1 0-1

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.10.10"]
[Round "2.10"]
[White "Van Ketel, Raoul"]
[Black "Kazarian, Anna Maja"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2229"]
[BlackElo "2259"]
[PlyCount "80"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Rotterdam Pathena"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Be7 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. a3 a6 11. b4 a5 12. Rb1 axb4 13. axb4 Nd5 14. Nxd5 exd5 15. Bxh7 Ra4 16. Bd2 Bd6 17. Bd3 Qe7 18. Qb2 Nb6 19. Ne5 Bxe5 20. dxe5 Nc4 21. Bxc4 dxc4 22. Ra1 Rxa1+ 23. Qxa1 0-0 24. 0-0 c5 25. Qb2 Rd8 26. bxc5 Qxc5 27. Bb4 Qc6 28. f3 Rd3 29. e4 Rb3 30. Qd2 c3 31. Qd8+ Kh7 32. Bd6 Qc8 33. Qg5 c2 34. Bf8 Qxf8 35. e6 fxe6 36. h4 Qf6 37. Qh5+ Qh6 38. Qc5 Qe3+ 39. Qxe3 Rxe3 40. Kf2 Rc3 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.06.30"]
[Round "7"]
[White "Van Ketel, Raoul"]
[Black "Termeulen, Albert"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2264"]
[BlackElo "2095"]
[PlyCount "83"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 e5 7. d5 Ng4 8. Be2 Qh4 9. Bd2 a5 10. Bxg4 Bxg4 11. Qc1 Qe7 12. 0-0 Na6 13. Be3 b6 14. Qd2 Bd7 15. Rad1 Nc5 16. Kh1 f5 17. exf5 gxf5 18. f4 Qh4 19. fxe5 Bxe5 20. Bf4 Bf6 21. Bh6 Rfe8 22. Rc1 Re5 23. Nce2 Kh8 24. Ng1 Ne4 25. Nxe4 fxe4 26. g3 e3 27. Qxe3 Qh5 28. Qf3 Bg7 29. Bxg7+ Kxg7 30. Qxh5 Rxh5 31. Rce1 Re8 32. Nf3 Rxe1 33. Rxe1 Kf6 34. Kg2 b5 35. b3 a4 36. h4 axb3 37. axb3 bxc4 38. bxc4 c6 39. Ng5 cxd5 40. cxd5 h6 41. Ne4+ Ke5 42. Nc5+ 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.06.23"]
[Round "6"]
[White "Coene, Igor"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2203"]
[BlackElo "2264"]
[PlyCount "70"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Nc3 Nbd7 10. Qc2 Rc8 11. Rfd1 0-0 12. Bf4 Nh5 13. Bc1 f5 14. e3 Bd6 15. a4 Qe7 16. a5 b5 17. c5 Bc7 18. b4 Rce8 19. Bb2 Bc8 20. Ne2 e5 21. dxe5 Nxe5 22. Ned4 Bd7 23. Nxe5 Bxe5 24. a6 g6 25. Ne2 Nf6 26. Bd4 Ne4 27. Qb2 Qg7 28. Bxe5 Rxe5 29. h4 Rfe8 30. Nf4 Nf6 31. Bf3 R8e7 32. Qa2 Qf8 33. Qa5 Qb8 34. Rac1 Be8 35. Qa1 Ne4 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.06.16"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Wantola, Ivo"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2264"]
[BlackElo "2374"]
[PlyCount "88"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bg7 7. Bb2 Nf6 8. g3 0-0 9. Nh3 Re8 10. Nf4 g5 11. Nfd5 Nxd5 12. Nxd5 Bxb2 13. Qxb2 Ne5 14. 0-0-0 c6 15. Ne3 Qf6 16. f3 Qe7 17. f4 gxf4 18. gxf4 Ng6 19. Ng2 Bh3 20. Rg1 d5 21. Qc3 Qa3+ 22. Qb2 Qxb2+ 23. Kxb2 dxc4 24. e3 cxb3 25. axb3 Kf8 26. Rd3 a5 27. Ne1 Bf5 28. Rc3 a4 29. Nf3 axb3 30. Rxb3 Be6 31. Rxb7 Bd5 32. Ng5 Rxe3 33. Bg2 Ra2+ 34. Kb1 Rxg2 35. Rxg2 Bxg2 36. Rxf7+ Kg8 37. Rxh7 Nxf4 38. Rh4 Ng6 39. Rg4 Bd5 40. Kc2 Re2+ 41. Kc3 Rxh2 42. Kd4 Kg7 43. Kc5 Kf6 44. Kb6 Rh5 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.06.09"]
[Round "4"]
[White "Van 't Hof, Eric"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2050"]
[BlackElo "2264"]
[PlyCount "116"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 b6 3. d4 Bb7 4. Nf3 Bb4 5. g3 Nf6 6. Bg2 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. Nh4 Qc8 10. Qc2 Bxg2 11. Nxg2 Qa6 12. Qb3 Nc6 13. Qb5 Qb7 14. f3 a6 15. Qa4 b5 16. Rb1 Rfb8 17. Qc2 Na5 18. cxb5 axb5 19. a4 Qc6 20. axb5 Rxb5 21. Rxb5 Qxb5 22. e4 Nc4 23. Bf4 Nd7 24. Rb1 Qc6 25. Bc1 Ndb6 26. Nf4 Na3 27. Bxa3 Rxa3 28. Ne2 Qc4 29. Kf2 g6 30. Rb4 Qa6 31. Rb3 Qa4 32. Rb2 Qa6 33. Rb3 Ra1 34. Rb1 Ra5 35. h4 Kg7 36. Nc1 e5 37. Qe2 Qa7 38. Kg2 Ra3 39. dxe5 dxe5 40. Qb5 Qa5 41. Qxa5 Rxa5 42. Nd3 f6 43. Rb4 Ra3 44. Nc5 Kf7 45. Rb3 Ra2+ 46. Kg1 Ke7 47. Nd3 Kd6 48. Nb2 Kc5 49. Kf1 h5 50. Ke1 Ra1+ 51. Kf2 Ra2 52. Ke1 Kc6 53. Kf1 Ra1+ 54. Kf2 Rb1 55. Rb4 Rc1 56. Rb3 Rc2+ 57. Kf1 Kd6 58. Kg1 g5 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.06.02"]
[Round "3"]
[White "Sikkel, Dirk"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1905"]
[BlackElo "2264"]
[PlyCount "54"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. h3 0-0 13. Be3 Bd7 14. Re1 h6 15. Rc1 g5 16. Ne5 Be8 17. f4 Qg7 18. Nxc6 Bxc6 19. fxg5 hxg5 20. Qd2 Ne4 21. Bxe4 dxe4 22. Rxc6 bxc6 23. Bxg5 Rf5 24. h4 Rb8 25. Nc3 Rb4 26. Nxe4 Rxd4 27. Qe3 Bb4 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2015.05.19"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Roozendaal, Marc"]
[Result "1-0"]
[ECO "E25"]
[WhiteElo "2264"]
[BlackElo "1951"]
[PlyCount "100"]
[EventDate "2015.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 Qa5 9. e4 Nf6 10. Be3 Nc6 11. Qb3 Nd7 12. Bb5 a6 13. Bxc6 bxc6 14. Qb4 Qc7 15. Nh3 0-0 16. 0-0 e5 17. Rfd1 Nf6 18. Qb6 Ra7 19. Rd6 Bd7 20. Rb1 Rc8 21. Nf2 Ne8 22. Rd2 Be6 23. Qxc7 Nxc7 24. Rb6 Ne8 25. Nd3 f6 26. Nb4 Bd7 27. Nxa6 Kf7 28. Nb8 Ke7 29. a4 Rd8 30. Rxd7+ Rdxd7 31. Nxc6+ Kf7 32. Nxa7 Rxa7 33. Rb4 Ke6 34. Kf2 Rc7 35. Ke2 Rc6 36. Kd3 Nc7 37. Kc4 Kd7 38. Rb6 Na6 39. g3 h6 40. f4 exf4 41. gxf4 Nc7 42. f5 Na6 43. Bf2 Nc7 44. a5 Na6 45. h4 Nc7 46. Bg3 Na6 47. Bd6 Nc7 48. Rb7 Kc8 49. Rxc7+ Rxc7 50. Bxc7 Kxc7 1-0

[Event "Neckar op-A 19th"]
[Site "Deizisau"]
[Date "2015.04.03"]
[Round "2"]
[White "Stopa, Jacek"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "2544"]
[BlackElo "2271"]
[PlyCount "93"]
[EventDate "2015.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 165 Extra"]
[Source "ChessBase"]
[SourceDate "2015.04.21"]
[SourceVersion "1"]
[SourceVersionDate "2015.04.21"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 b6 8. e3 Bb7 9. Bd3 Ne4 10. Qc2 f5 11. 0-0 0-0 12. Be1 Na6 13. Ra2 Nc7 14. Kh1 Ne8 15. Ng1 Rc8 16. Ne2 Ba8 17. Nf4 N4d6 18. f3 b5 19. cxb5 c4 20. Be2 Qxb5 21. Bg3 Qc6 22. Rb1 Nf6 23. Rab2 g5 24. Nh3 h6 25. Qc1 Kh7 26. Bd1 Nd5 27. Qd2 Nb6 28. a4 Kg8 29. Bc2 Nf7 30. e4 f4 31. Bf2 d5 32. e5 Nd7 33. Bg6 Nh8 34. Qc2 Rfd8 35. g3 Nf8 36. Bh5 fxg3 37. Bxg3 Qd7 38. f4 Qg7 39. Rg1 Qh7 40. Qxh7+ Kxh7 41. fxg5 hxg5 42. Rf2 Nd7 43. Nxg5+ Kh6 44. Bd1 Kxg5 45. Bf4+ Kh4 46. Bg5+ Kh3 47. Bg4# 1-0

[Event "NED-chT 1415"]
[Site "Netherlands"]
[Date "2014.09.27"]
[Round "1.9"]
[White "Van Ketel, Raoul"]
[Black "Krueger, Andre"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2262"]
[BlackElo "2163"]
[PlyCount "113"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Voerendaal"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. e3 0-0 8. Bd3 b6 9. Ne2 Ba6 10. cxd5 Bxd3 11. Qxd3 cxd5 12. e4 Qc8 13. e5 Ne8 14. a4 f5 15. 0-0 Nc6 16. Ba3 Rf7 17. Bb4 Rc7 18. g4 Rf7 19. Ng3 f4 20. Ne2 Qd8 21. Ba3 Na5 22. Ra2 Qh4 23. Bc1 g5 24. Kg2 Rc8 25. Rh1 Nc4 26. Ng3 Ng7 27. Nf1 Qh6 28. Rc2 Rc6 29. Bd2 Qg6 30. Qxg6 hxg6 31. Be1 Rfc7 32. Ra2 Na5 33. Ra3 Ne8 34. h4 gxh4 35. Rxh4 Rh7 36. Rxh7 Kxh7 37. Kf2 g5 38. Ke2 Nc7 39. Kd3 Na6 40. Ra2 Kg6 41. Nd2 Nb8 42. Rc2 Nc4 43. Nxc4 Rxc4 44. Rh2 Rc8 45. Bd2 Nc6 46. Bc1 Na5 47. Ba3 Re8 48. Bb4 Nc4 49. Bd6 Nxd6 50. exd6 Rd8 51. Rh5 Rxd6 52. Rh8 Rc6 53. Rg8+ Kf6 54. Rf8+ Kg7 55. Re8 a5 56. Rb8 Kf7 57. Kc2 1/2-1/2

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.24"]
[Round "7"]
[White "Roorda, Thijs"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2016"]
[BlackElo "2285"]
[PlyCount "65"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Rc1 h6 14. Bh4 Nh5 15. Nc3 Bf4 16. Rc2 Qf7 17. Re2 g5 18. Bg3 Qg7 19. Rfe1 Bxg3 20. hxg3 g4 21. Rxe6 Bxe6 22. Rxe6 Rf6 23. Rxf6 Nxf6 24. Nh4 Ne7 25. Nb5 Rd8 26. Qe1 Qf7 27. Qe3 h5 28. Nc7 Ne4 29. Bxe4 dxe4 30. Qg5+ Kh7 31. Qe5 Ng6 32. Qxh5+ Kg8 33. Nxg6 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.17"]
[Round "6"]
[White "Van Ketel, Raoul"]
[Black "Van Wissen, Michiel"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2285"]
[BlackElo "2248"]
[PlyCount "72"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. f3 bxc4 5. e4 d6 6. Bxc4 g6 7. Ne2 Bg7 8. 0-0 0-0 9. Nec3 Nfd7 10. a4 Na6 11. Na3 Nb4 12. Bg5 Ne5 13. Be2 f5 14. exf5 gxf5 15. Qd2 Bb7 16. Rfe1 Nf7 17. Bh4 f4 18. Bc4 Ne5 19. Bf1 Kh8 20. Kh1 Rb8 21. Re4 Ba6 22. Nab5 Ng6 23. Bf2 Qd7 24. Ne2 Be5 25. Rxb4 cxb4 26. Nxa7 Bb7 27. Rc1 e6 28. dxe6 Qxe6 29. Nd4 Qf6 30. b3 Ne7 31. Bc4 Nf5 32. Ne6 Rfe8 33. Nxf4 Bc3 34. Qd3 Be5 35. Nh5 Qg5 36. f4 Qxg2# 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.10"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Bloothoofd, Gerrie"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2285"]
[BlackElo "2116"]
[PlyCount "73"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 Na6 7. Bd3 e5 8. fxe5 dxe5 9. d5 Nc5 10. Bc2 a5 11. a3 Bd7 12. Be3 Qe7 13. h3 a4 14. Qd2 Nh5 15. 0-0-0 b6 16. d6 cxd6 17. Qxd6 Qxd6 18. Rxd6 Ng3 19. Rhd1 Be6 20. Rxb6 Rfc8 21. Nd2 Bf8 22. Kb1 Rd8 23. Nd5 Ne2 24. Nf3 Nd7 25. Rb7 Nf4 26. Rxd7 Bxd7 27. Nf6+ Kg7 28. Nxd7 Nxg2 29. Bg5 Re8 30. Bf6+ Kg8 31. Bxe5 Bg7 32. Nf6+ Bxf6 33. Bxf6 Ne3 34. Rd4 Rac8 35. Bxa4 Re6 36. e5 Nxc4 37. Bd7 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.06.03"]
[Round "4"]
[White "Wantola, Ivo"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2366"]
[BlackElo "2285"]
[PlyCount "85"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 h6 12. Bxf6 Nxf6 13. Rfe1 Bd5 14. Qd3 Bxf3 15. Bxf3 c6 16. e4 Bb4 17. e5 Nd5 18. Re4 f5 19. exf6 Qxf6 20. Nxd5 exd5 21. Rf4 Qe7 22. Rxf8+ Rxf8 23. Rc1 Qf6 24. Kg2 Ba5 25. Rd1 Bb6 26. Qe3 Rf7 27. Rd3 Re7 28. Qd2 Rf7 29. Bh5 Re7 30. Qb4 Bd8 31. Rf3 Qe6 32. Rf4 a5 33. Qc5 Qd7 34. Bg6 b6 35. Qc2 Re4 36. Bxe4 dxe4 37. Qxe4 Bf6 38. h4 c5 39. dxc5 bxc5 40. Qc4+ Kh7 41. Qxc5 Qb7+ 42. Kh2 Qxb2 43. Qxa5 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.27"]
[Round "3"]
[White "Van Ketel, Raoul"]
[Black "Schaeffner, Joost"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2285"]
[BlackElo "1926"]
[PlyCount "47"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 bxc4 7. Bxc4 Bb7 8. Nge2 Nxd5 9. Bxd5 exd5 10. exd5 d6 11. 0-0 0-0 12. Bf4 Nd7 13. Bxd6 Re8 14. Bg3 Ba6 15. Re1 Ne5 16. Nf4 Qb6 17. Qa4 c4+ 18. Bf2 Qh6 19. Qxb4 Qxf4 20. Qa4 Bb7 21. Re4 Qf5 22. f4 Bxd5 23. Rxe5 Rxe5 24. fxe5 1-0

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.20"]
[Round "2"]
[White "Oosterom, Erik"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2022"]
[BlackElo "2285"]
[PlyCount "76"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. b3 Nbd7 9. Bb2 Be7 10. d3 0-0 11. Nbd2 Qb6 12. 0-0 c5 13. e4 Rfd8 14. a4 a6 15. axb5 axb5 16. Rxa8 Rxa8 17. Ra1 Rxa1+ 18. Bxa1 Qa7 19. Bc3 Bd8 20. h3 Bb6 21. Kh2 h6 22. Qb2 Ne8 23. Qa1 Qxa1 24. Bxa1 f6 25. d4 Ba5 26. Bf1 Nc7 27. Bd3 Kf7 28. Bc2 cxd4 29. Bxd4 e5 30. Be3 Ne6 31. h4 Ndc5 32. Bxc5 Nxc5 33. Kg2 g5 34. hxg5 hxg5 35. g4 Bb4 36. Kf1 Bc8 37. Bd1 Bxg4 38. Be2 Bd7 0-1

[Event "Leiden SB-chA"]
[Site "Leiden"]
[Date "2014.05.13"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Senders, Justin"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2285"]
[BlackElo "1945"]
[PlyCount "55"]
[EventDate "2014.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. f3 bxc4 5. e4 d6 6. Bxc4 g6 7. Ne2 Bg7 8. Nec3 0-0 9. 0-0 Ba6 10. Nb5 Nfd7 11. N1c3 Qb6 12. a4 Bb7 13. Bg5 f6 14. Be3 Na6 15. f4 Kh8 16. g4 Nb4 17. Qe2 a6 18. Na3 Rf7 19. Nab1 Rff8 20. a5 Qc7 21. Qd1 f5 22. Nd2 Nf6 23. h3 Qd7 24. Nf3 h6 25. e5 Ne4 26. e6 Qe8 27. Rc1 Qd8 28. Qa4 1-0

[Event "Neckar op-A 18th"]
[Site "Deizisau"]
[Date "2014.04.18"]
[Round "2"]
[White "Van Ketel, Raoul"]
[Black "Naiditsch, Arkadij"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "2246"]
[BlackElo "2706"]
[PlyCount "152"]
[EventDate "2014.04.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. a3 Bxc3+ 6. bxc3 Nh5 7. g3 f5 8. e4 d6 9. exf5 exf5 10. Nh3 Nd7 11. Bd3 Re8+ 12. Kf2 Ndf6 13. Qc2 Qe7 14. Kg2 Bd7 15. Bd2 Qf7 16. Rae1 h6 17. Rhf1 Kh8 18. Bxf5 Bxf5 19. Qxf5 g5 20. Nf2 Ng7 21. Qd3 Rf8 22. Ng4 Nxg4 23. fxg4 Qg8 24. d5 Qh7 25. Qxh7+ Kxh7 26. Be3 Rxf1 27. Rxf1 Re8 28. Bd4 Re2+ 29. Kg1 Ne8 30. Rf8 c5 31. dxc6 bxc6 32. c5 a6 33. Kf1 Re6 34. Kg2 dxc5 35. Bxc5 Nf6 36. Bd4 Nxg4 37. h3 Ne3+ 38. Kf3 Nc2 39. Ra8 Nxa3 40. Ra7+ Kg8 41. Rxa6 Nb5 42. Ra8+ Kf7 43. Bh8 h5 44. Rc8 Na3 45. Rc7+ Kg6 46. Rg7+ Kh6 47. Rc7 Nc2 48. Kf2 Ne1 49. Bd4 Kg6 50. Rg7+ Kh6 51. Rc7 g4 52. hxg4 hxg4 53. Be3+ Kg6 54. Rd7 Nc2 55. Bf4 Na3 56. Rd8 Kf5 57. Rg8 Nb5 58. Rg5+ Ke4 59. Rxg4 Kd3 60. Rg8 Nxc3 61. Rd8+ Kc2 62. Kf3 Nb5 63. g4 c5 64. Rc8 Nd4+ 65. Kg3 Nc6 66. g5 c4 67. Kg4 c3 68. Kh5 Ne7 69. Rc5 Ng6 70. Bc7 Kb3 71. Bd8 Nf4+ 72. Kg4 Nd3 73. Rc8 c2 74. Bf6 Re4+ 75. Kf5 Rf4+ 76. Ke6 Rc4 0-1

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.02"]
[Round "6"]
[White "Polak, Alexander"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E49"]
[BlackElo "2254"]
[PlyCount "84"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 e5 11. 0-0 Nc6 12. Qc2 Be6 13. Bb2 Rfd8 14. Bf5 Bc4 15. Bd3 Na5 16. Bxc4 Nxc4 17. Rfd1 b6 18. Rab1 Rac8 19. Qa4 Na5 20. dxe5 Qxe5 21. c4 Qe8 22. Qc2 Qe4 23. Rxd8+ Rxd8 24. Rd1 Rc8 25. Qxe4 Nxe4 26. Rd7 Nxc4 27. Bc1 a5 28. Kf1 Kf8 29. Nf4 Ke8 30. Rb7 Rd8 31. Ke2 Nc3+ 32. Kf3 Rd1 33. Rb8+ Kd7 34. Bb2 Nxb2 35. Rxb6 Nc4 36. Rb7+ Kc6 37. Rb8 Ne5+ 38. Kg3 g5 39. Nh5 Ne4+ 40. Kh3 Nxf2+ 41. Kg3 Ne4+ 42. Kh3 f5 0-1

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.02"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Rausis, Igors"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2254"]
[BlackElo "2557"]
[PlyCount "70"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 b5 6. e4 0-0 7. Nge2 bxc4 8. a3 Ba5 9. Nf4 Ba6 10. Kf2 e5 11. Nfe2 d6 12. g4 Nbd7 13. Qc2 Rb8 14. Ng3 Bxc3 15. Qxc3 Rb3 16. Qc2 Qa5 17. Bxc4 Bxc4 18. Qxc4 Rfb8 19. Rd1 Nf8 20. Rd3 R3b7 21. Nf5 Ne8 22. b3 Ng6 23. Bd2 Qd8 24. Re1 Ne7 25. Ng3 Nc7 26. Bg5 Nb5 27. Qc1 Nd4 28. Nh5 Rxb3 29. Rxd4 cxd4 30. Bf6 d3 31. Kg3 Qa5 32. Rd1 d2 33. Rxd2 Rb1 34. Qc2 gxf6 35. Nxf6+ Kh8 0-1

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "2"]
[White "Van Ketel, Raoul"]
[Black "Miedema, David"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2254"]
[BlackElo "2389"]
[PlyCount "75"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6 11. 0-0 Rb8 12. Kh1 c4 13. a4 Nc5 14. e5 dxe5 15. Nxc4 e4 16. Be3 b6 17. Ne5 Qd6 18. Nb5 Qxd5 19. Bc4 Qxd1 20. Bxf7+ Kf8 21. Raxd1 Bg4 22. Nxg4 Nxg4 23. Bxc5+ Kxf7 24. Nd6+ Kg8 25. Nxe8 Bxb2 26. Bd4 Bxd4 27. Rxd4 Rxe8 28. h3 Nf6 29. g4 e3 30. Kg2 e2 31. Re1 Re3 32. Rd2 Re4 33. Kf3 Rxa4 34. Rexe2 h6 35. Re7 Ra3+ 36. Ke2 Kf8 37. Rb7 Ke8 38. Rd6 1-0

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "3"]
[White "Van den Doel, Erik"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "2573"]
[BlackElo "2254"]
[PlyCount "76"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. Nb3 cxd4 8. Nfxd4 Nxd4 9. Qxd4 Qc7 10. c4 f6 11. cxd5 fxe5 12. fxe5 Qxe5+ 13. Qxe5 Nxe5 14. Bb5+ Bd7 15. Bxd7+ Kxd7 16. dxe6+ Kxe6 17. 0-0 Be7 18. Be3 Bf6 19. Nc5+ Kf7 20. Rac1 Kg6 21. Ne6 Rac8 22. Nf4+ Kf7 23. Bxa7 Rxc1 24. Rxc1 Nc6 25. Bc5 Ra8 26. Ba3 Rd8 27. Rc2 Rd1+ 28. Kf2 g5 29. Ne2 Kg6 30. h3 h5 31. Rc1 Bd4+ 32. Nxd4 Rxc1 33. Ne2 Rc2 34. Ke1 Ne5 35. Kd1 Rc8 36. Bb4 Nc4 37. b3 Ne3+ 38. Kd2 Nxg2 0-1

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.02.28"]
[Round "1"]
[White "Peiter, Andre"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2076"]
[BlackElo "2254"]
[PlyCount "42"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 b6 9. 0-0-0 c4 10. f5 b5 11. fxe6 fxe6 12. Bg5 Rb8 13. Bxe7 Qxe7 14. Ne2 0-0 15. h4 b4 16. c3 Nb6 17. cxb4 Nxb4 18. Nc3 Bd7 19. Re1 Na4 20. Nxa4 Bxa4 21. Kb1 Nc2 0-1

[Event "Vienna op 18th"]
[Site "Vienna"]
[Date "2013.08.18"]
[Round "2"]
[White "Fier, Alexandr"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2595"]
[BlackElo "2241"]
[PlyCount "119"]
[EventDate "2013.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. cxd5 exd5 5. e5 d4 6. exf6 dxc3 7. Qe2+ Be6 8. dxc3 Qxf6 9. Qb5+ Nd7 10. Qxb7 Qe5+ 11. Ne2 Bd5 12. Qb5 Bc5 13. Bf4 Qe6 14. 0-0-0 0-0 15. Nd4 Bxd4 16. Rxd4 Qe1+ 17. Rd1 Qxf2 18. Bxc7 Qe3+ 19. Kb1 Be4+ 20. Bd3 Nc5 21. Bxe4 Qxe4+ 22. Ka1 Ne6 23. Bd6 Rfd8 24. Rhg1 Rac8 25. Qd5 Qa4 26. Qf3 h6 27. Rgf1 Rd7 28. b3 Qa6 29. Bb4 Rcd8 30. Rxd7 Rxd7 31. Rd1 Rxd1+ 32. Qxd1 Qc6 33. Qd2 Qe4 34. Bd6 h5 35. Kb2 Qf5 36. a4 Ng5 37. Bb8 a6 38. b4 Ne4 39. Qd4 Qg4 40. Kb3 Qxg2 41. Bf4 Qf3 42. Be3 Qf5 43. c4 Nf6 44. Kb2 Qf1 45. b5 Qe2+ 46. Ka3 axb5 47. axb5 Qf3 48. Kb4 Ng4 49. Bd2 Nxh2 50. Bc3 Qg2 51. b6 Nf3 52. Qd8+ Kh7 53. Qd5 h4 54. b7 Qg3 55. Qxf7 h3 56. Qh5+ Kg8 57. Qe8+ Kh7 58. b8Q Qxb8+ 59. Qxb8 h2 60. Bxg7 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.07.02"]
[Round "7"]
[White "Wantola, Ivo"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2374"]
[BlackElo "2241"]
[PlyCount "72"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 d5 4. Bg2 Be7 5. e3 0-0 6. Ne2 c6 7. Qc2 b5 8. c5 Nbd7 9. f4 Bb7 10. 0-0 Re8 11. h3 Nf8 12. a4 bxa4 13. Rxa4 N6d7 14. Bd2 f6 15. e4 dxe4 16. Bxe4 Qc8 17. f5 exf5 18. Bxf5 g6 19. Bh6 gxf5 20. Qb3+ Kh8 21. Qf7 Ne6 22. Nf4 Bf8 23. Nxe6 Bxh6 24. d5 cxd5 25. Rd4 Rxe6 26. Qxe6 Nxc5 27. Qxc8+ Rxc8 28. Rf3 Ne6 29. Rb4 Rc1+ 30. Kf2 Nc5 31. Nc3 d4 32. Ne2 Rc2 33. Rxd4 Ba6 34. Rc3 Rxe2+ 35. Kf3 Re5 36. b4 Bb7+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.25"]
[Round "6"]
[White "Van Ketel, Raoul"]
[Black "Van Briemen, Willem Jan"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2241"]
[BlackElo "2023"]
[PlyCount "69"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Bd2 Qc7 10. Rc1 e5 11. Nb5 Qb8 12. dxe5 Nxe5 13. Nxe5 cxb5 14. Bxf7+ Rxf7 15. Nxf7 Kxf7 16. Qb3+ Be6 17. Qxb5 a6 18. Qa4 Ng4 19. f4 Qd8 20. f5 Bxf5 21. Qc4+ Ke8 22. Bb4 Qf6 23. Qg8+ Bf8 24. Bxf8 Qxf8 25. Qxf8+ Kxf8 26. e4 Kg8 27. exf5 Ne3 28. Rfe1 Nxf5 29. Rc7 b5 30. g4 Nh6 31. Ree7 Nxg4 32. Rg7+ Kf8 33. Rxh7 Kg8 34. Rcg7+ Kf8 35. Rxg6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.18"]
[Round "5"]
[White "Pijpers, Arthur"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2338"]
[BlackElo "2241"]
[PlyCount "75"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 b6 9. Be2 0-0 10. 0-0-0 c4 11. f5 b5 12. f6 gxf6 13. exf6 Nxf6 14. Bh6 Ng4 15. Bxf8 Bxf8 16. Ng5 Nh6 17. Kb1 b4 18. Na4 Bg7 19. Rhf1 Qa5 20. Qf4 e5 21. dxe5 Nxe5 22. Nf3 Ng6 23. Qd6 Be6 24. b3 Bf8 25. Qg3 Nf5 26. Qf2 Rc8 27. Ng5 Bg7 28. Bg4 Nge7 29. Rde1 Rc6 30. Bxf5 Nxf5 31. g4 Nh6 32. Nxe6 fxe6 33. g5 cxb3 34. cxb3 Nf5 35. Rxe6 Rxe6 36. Qxf5 Qa6 37. Nc5 Qe2 38. Qxe6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.06.11"]
[Round "4"]
[White "Van Ketel, Raoul"]
[Black "Heemskerk, Wim"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2241"]
[BlackElo "2239"]
[PlyCount "93"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d6 2. f4 Nf6 3. c4 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Bb4+ 7. Nbd2 exf4 8. a3 Bc5 9. Nb3 Be3 10. Ne5 Ke7 11. Nd3 Ne4 12. Nxf4 Bf2+ 13. Kd1 c6 14. e3 Rd8+ 15. Kc2 Bg4 16. Bd3 g5 17. Bxe4 gxf4 18. exf4 Be2 19. Be3 Bxe3 20. Rhe1 Bxf4 21. Rxe2 Kf8 22. Rf1 Bxh2 23. Ref2 Rd7 24. Bxh7 Na6 25. Bg6 Kg7 26. Bxf7 Rf8 27. Bh5 Rxf2+ 28. Rxf2 Bg1 29. Rf5 b6 30. Bf3 Rd6 31. Re5 Kf6 32. Re1 Bh2 33. Rh1 Bf4 34. Rh7 Nc5 35. Nxc5 bxc5 36. Rxa7 Rd2+ 37. Kc3 Rf2 38. b4 Bd2+ 39. Kb3 Bc1 40. bxc5 Rb2+ 41. Kc3 Ra2 42. Bxc6 Be3 43. Kb4 Bd2+ 44. Kb3 Ra1 45. Ra6 Be3 46. Bd5+ Ke7 47. Re6+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.05.28"]
[Round "2"]
[White "Van Ketel, Raoul"]
[Black "Stins, Johan"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2241"]
[BlackElo "1880"]
[PlyCount "103"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. h3 e5 9. Bd2 dxc4 10. Bxc4 b5 11. Be2 Bb7 12. Rg1 a6 13. 0-0-0 c5 14. dxe5 Bxe5 15. Nxe5 Nxe5 16. f4 Nf3 17. Rg3 Nxd2 18. Rxd2 Qe7 19. g5 Ne4 20. Nxe4 Bxe4 21. Qc3 Rh7 22. gxh6 g6 23. Qg7 Rxg7 24. hxg7 Qf6 25. g8Q+ Ke7 26. Rxg6 Rxg8 27. Rxf6 Kxf6 28. Bg4 a5 29. Kd1 b4 30. Rd7 c4 31. Rd4 Bd3 32. b3 cxb3 33. axb3 Bf5 34. Bxf5 Kxf5 35. Kd2 Ke6 36. Re4+ Kf6 37. Re5 Rc8 38. Kd3 Rc3+ 39. Ke4 Rxb3 40. Rxa5 Rb1 41. Ra6+ Kg7 42. Rb6 Rh1 43. Rxb4 Rxh3 44. Rb6 f5+ 45. Kxf5 Rxe3 46. Rb7+ Kf8 47. Kf6 Re8 48. f5 Ra8 49. Kg6 Rc8 50. f6 Kg8 51. Rg7+ Kh8 52. Rh7+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2013.05.21"]
[Round "1"]
[White "Korving, Frank"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "A08"]
[BlackElo "2241"]
[PlyCount "58"]
[EventDate "2013.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d3 g6 4. Nf3 Bg7 5. 0-0 0-0 6. Nbd2 c5 7. e4 dxe4 8. dxe4 Nc6 9. Re1 b6 10. c3 Ba6 11. Qa4 Qc8 12. e5 Ng4 13. e6 f5 14. Ng5 Bb7 15. h3 Nge5 16. Qh4 h6 17. Nf7 Nxf7 18. exf7+ Rxf7 19. Nc4 b5 20. Bxh6 bxc4 21. Bd5 Nd8 22. Bxg7 Kxg7 23. Rxe7 Bxd5 24. Re8 Rf8 25. Qe7+ Rf7 26. Qe5+ Rf6 27. Qe7+ Rf7 28. Qe5+ Rf6 29. Qe7+ Rf7 1/2-1/2

[Event "Leiden Noteboom Memorial-A 73rd"]
[Site "Leiden"]
[Date "2013.02.09"]
[Round "4"]
[White "Admiraal, Miguoel"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2332"]
[BlackElo "2228"]
[PlyCount "120"]
[EventDate "2013.02.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. d4 Nbd7 9. 0-0 c5 10. dxc5 Bxc5 11. Nc3 Rc8 12. Qd3 a6 13. Bf4 0-0 14. a3 Qb6 15. e4 Rfd8 16. Qe2 h6 17. Rac1 b4 18. Na4 Qb5 19. Qxb5 axb5 20. Nxc5 Nxc5 21. e5 Nd5 22. Bd2 Nb3 23. Rcd1 bxa3 24. bxa3 Nxd2 25. Rxd2 Nc3 26. Rb2 Be4 27. Ra1 g5 28. Ne1 Bg6 29. Kf1 Rc5 30. Rc1 Rdc8 31. Rb3 Ne4 32. Rxc5 Rxc5 33. Bxe4 Bxe4 34. f4 Kg7 35. Kf2 Bd5 36. Rb2 Kg6 37. Nd3 Rc3 38. Nb4 Bc4 39. Nc2 gxf4 40. gxf4 Kf5 41. Nd4+ Kxf4 42. Nxb5 Bxb5 43. Rxb5 Rxa3 44. Rb7 Ra2+ 45. Kg1 Kxe5 46. Rxf7 Ra4 47. Kg2 Rf4 48. Rh7 Rf6 49. Ra7 Kf4 50. Ra4+ Kf5 51. Kf3 e5 52. Ke3 Rb6 53. Rh4 Rb3+ 54. Ke2 Kg5 55. Re4 Rb5 56. Kd3 Ra5 57. Kc3 h5 58. Kb4 Ra2 59. Rxe5+ Kg4 60. h3+ Kh4 1/2-1/2

[Event "Leiden Noteboom Memorial-A 73rd"]
[Site "Leiden"]
[Date "2013.02.08"]
[Round "1"]
[White "Van Ketel, Raoul"]
[Black "Vos, Tjark"]
[Result "1-0"]
[ECO "A69"]
[WhiteElo "2228"]
[BlackElo "2030"]
[PlyCount "61"]
[EventDate "2013.02.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 Na6 11. 0-0 h5 12. h3 Ng4 13. Nf3 Nf6 14. e5 dxe5 15. fxe5 Nd7 16. e6 fxe6 17. dxe6 Nf6 18. Qxd8 Rxd8 19. Bc4 Re8 20. Re1 Nb4 21. Rb1 Nc6 22. Ng5 a6 23. a4 Ne7 24. Bf4 Nf5 25. Rbd1 b6 26. Nd5 Nxd5 27. Bxd5 Ra7 28. e7+ Kh8 29. Bf7 Bd4+ 30. Rxd4 cxd4 31. Be5+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.26"]
[Round "7"]
[White "Pijpers, Arthur"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2366"]
[BlackElo "2251"]
[PlyCount "111"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. Be2 a6 10. 0-0 b5 11. a3 Qb6 12. Nd1 a5 13. c3 a4 14. Bd3 cxd4 15. Nxd4 Nc5 16. Nf2 Na5 17. Bxb5 Ba6 18. Bxa6 Qxa6 19. Rab1 Rfb8 20. f5 Nc4 21. Qe2 Nxe5 22. fxe6 fxe6 23. Qh5 Ng6 24. Ng4 Rf8 25. Rf3 Rxf3 26. Nxf3 Rf8 27. Nfe5 Nf4 28. Nh6+ gxh6 29. Qg4+ Ng6 30. Nxg6 hxg6 31. Qxg6+ Kh8 32. Qxh6+ Kg8 33. Qg6+ Kh8 34. Bh6 Rg8 35. Qh5 Qd3 36. Be3+ Kg7 37. Bd4+ Bf6 38. Bxf6+ Kxf6 39. Rf1+ Qxf1+ 40. Kxf1 Rf8 41. Ke2 Ne4 42. Ke3 Ke7 43. c4 Nf6 44. Qh4 dxc4 45. Qxc4 Nd5+ 46. Ke2 Rf4 47. Qc5+ Kf6 48. g3 Re4+ 49. Kd3 Rg4 50. h3 Rxg3+ 51. Ke4 Rxh3 52. Qf8+ Kg6 53. Ke5 Re3+ 54. Kd6 Nf6 55. Qa8 Re4 56. Qc6 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.19"]
[Round "6"]
[White "Van Ketel, Raoul"]
[Black "Van 't Hof, Eric"]
[Result "1/2-1/2"]
[ECO "D92"]
[WhiteElo "2251"]
[BlackElo "2046"]
[PlyCount "63"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Rc1 Be6 7. Nf3 dxc4 8. e4 Bg4 9. Be3 c5 10. dxc5 Qa5 11. Qa4 Qxa4 12. Nxa4 Nxe4 13. Bxc4 Nc6 14. 0-0 h6 15. Rfe1 Bxf3 16. gxf3 Nf6 17. Nc3 Rfd8 18. Red1 a6 19. a3 e6 20. b4 Ne5 21. Be2 Nd5 22. Na4 g5 23. Nb6 Rab8 24. Nxd5 exd5 25. Bd4 Ng6 26. c6 Nf4 27. Bf1 bxc6 28. Rxc6 Bxd4 29. Rxd4 Rbc8 30. Rxc8 Rxc8 31. Rd1 Rc6 32. a4 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.12"]
[Round "5"]
[White "Van Haastert, Edwin"]
[Black "Van Ketel, Raoul"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2431"]
[BlackElo "2251"]
[PlyCount "88"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 Be7 6. Bg2 0-0 7. 0-0 d5 8. b3 c5 9. Bb2 Nc6 10. dxc5 Bxc5 11. a3 dxc4 12. b4 Be7 13. Qa4 c3 14. Bxc3 Bxe2 15. Rfe1 Nd5 16. Bxg7 Kxg7 17. Qxc6 Rc8 18. Qa4 Bf6 19. Qxa7 Bxa1 20. Rxa1 Ra8 21. Qb7 Qc8 22. Qxc8 Rfxc8 23. Nd4 Bd3 24. Bxd5 exd5 25. a4 Bc2 26. a5 bxa5 27. bxa5 Bd3 28. Ra3 Rc1+ 29. Kg2 Ba6 30. g4 Rd1 31. N2f3 Bd3 32. Kg3 Ra6 33. Nh4 Be4 34. Nhf5+ Kf8 35. Kf4 Rd2 36. Rb3 Bxf5 37. Rb8+ Ke7 38. Nxf5+ Kd7 39. Rb7+ Kc6 40. Rxf7 Rxa5 41. Rxh7 Rxf2+ 42. Ke5 Ra4 43. Nd4+ Rxd4 44. Kxd4 Rf4+ 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.06.06"]
[Round "4"]
[White "Van Ketel, Raoul"]
[Black "Van Wissen, Michiel"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2251"]
[BlackElo "2242"]
[PlyCount "87"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. h3 e5 9. cxd5 Nxd5 10. Bd2 0-0 11. Nxd5 cxd5 12. dxe5 Nxe5 13. Nd4 Bd7 14. Bg2 Rc8 15. Bc3 b5 16. a3 a5 17. Nf5 Bb8 18. Qb1 b4 19. axb4 axb4 20. Bxe5 Bxe5 21. 0-0 Be6 22. Rd1 Re8 23. Ra6 Qd7 24. Nd4 Qb7 25. Qa1 Ra8 26. Bf1 Bd7 27. Qa5 Rxa6 28. Qxa6 Qxa6 29. Bxa6 h5 30. f3 Bf6 31. Kf2 Ra8 32. Bb7 Ra2 33. Rd2 Be6 34. gxh5 Bh4+ 35. Ke2 Bxh3 36. Bxd5 Ra1 37. Kd3 Bf1+ 38. Ke4 Ra7 39. Nf5 Bf6 40. Bc6 Bh3 41. Bd7 Ra5 42. Ne7+ Bxe7 43. Bxh3 Rxh5 44. Bg4 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.29"]
[Round "3"]
[White "Wagemans, Ed"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1929"]
[BlackElo "2251"]
[PlyCount "86"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ngf3 cxd4 8. cxd4 Qb6 9. Qa4 f6 10. Bb5 Be7 11. 0-0 0-0 12. Bxc6 bxc6 13. Qb3 fxe5 14. Qxb6 axb6 15. fxe5 c5 16. Nb3 c4 17. Nbd2 Nb8 18. Nb1 Nc6 19. Bd2 Bd7 20. Nc3 Nb4 21. a3 Nd3 22. Rab1 h6 23. Ne1 Rxf1+ 24. Kxf1 Rf8+ 25. Kg1 Nxe5 26. Nc2 Nd3 27. Ne1 Bf6 28. Be3 Nxe1 29. Rxe1 Re8 30. Bf2 Re7 31. h3 Be8 32. g4 Bc6 33. Ne2 g5 34. Ng3 Be8 35. Kg2 b5 36. Re2 Bg6 37. Rd2 Bd3 38. Nh5 Bh8 39. h4 Kh7 40. hxg5 hxg5 41. Be3 Kg6 42. Rf2 e5 43. Rf8 exd4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.22"]
[Round "2"]
[White "Van Ketel, Raoul"]
[Black "Vreugdenhil, Frans"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2251"]
[BlackElo "2034"]
[PlyCount "37"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bg4 5. Bxc4 Qe7 6. dxe5 Nd7 7. Nc3 Nxe5 8. Be2 Nxf3+ 9. gxf3 Be6 10. Be3 a6 11. Qa4+ Bd7 12. Qc2 Nf6 13. 0-0-0 g6 14. Bg5 Bc6 15. Rhe1 h6 16. e5 hxg5 17. exf6 Qxf6 18. Bb5+ Be7 19. Nd5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2012.05.15"]
[Round "1"]
[White "De Mooij, Marco"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1898"]
[BlackElo "2251"]
[PlyCount "56"]
[EventDate "2012.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 0-0 9. Bc4 c5 10. Qe2 cxd4 11. 0-0-0 Nc6 12. Rhe1 Rd8 13. Qe4 a6 14. Kb1 g6 15. g4 Rd6 16. h4 b5 17. Bd3 Bb7 18. g5 Qg7 19. Qf4 Rad8 20. h5 gxh5 21. Rh1 e5 22. Qh4 Ne7 23. Qxh5 e4 24. Rde1 Re6 25. Bf1 exf3 26. Rxe6 fxe6 27. Bd3 Ng6 28. Re1 Nf4 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.04.22"]
[Round "9.9"]
[White "Meurs, Tom WA"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2217"]
[BlackElo "2286"]
[PlyCount "67"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Apeldoorn"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Bg5 0-0 13. Rc1 a6 14. Ng3 h6 15. Bxf6 Rxf6 16. Nh5 Rf8 17. Nh4 Qf7 18. Bg6 Qe7 19. g3 Bd7 20. Qd3 Be8 21. Rce1 Qd7 22. Re3 Bxg6 23. Nxg6 Rf5 24. Nhf4 Bxf4 25. Nxf4 Rf6 26. Rfe1 Re8 27. Qc3 Qd6 28. a3 g5 29. Nh5 Rf7 30. f4 g4 31. Qd3 Rf5 32. h3 Nxd4 33. Qxd4 Rxh5 34. hxg4 1-0

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.03.31"]
[Round "8.6"]
[White "Martens, Martin"]
[Black "Van Ketel, Raoul"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2444"]
[BlackElo "2286"]
[PlyCount "81"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Rotterdam"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. a3 Nc6 6. axb4 Bxb4 7. c3 Be7 8. d4 f6 9. Bd3 fxe5 10. dxe5 Qc7 11. Qe2 Nh6 12. 0-0 Nf7 13. Re1 0-0 14. Na3 Bd7 15. Nb5 Qd8 16. Bd2 Bc5 17. Nbd4 Qe7 18. Reb1 Rab8 19. g3 Be8 20. h4 g6 21. Bf4 Bd7 22. Kg2 Bb6 23. Rh1 a6 24. Qe3 Bd8 25. g4 Nh8 26. Bh6 Bc7 27. h5 g5 28. Nxg5 Rf7 29. f4 Na5 30. Ngf3 Nc4 31. Qc1 Bc6 32. Kg3 Bd7 33. Ra2 Qe8 34. Rg2 Qe7 35. g5 Rf5 36. Nxf5 exf5 37. g6 hxg6 38. hxg6 Be6 39. Bg5 Qg7 40. Bf6 Qxg6+ 41. Kf2 1-0

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.03.10"]
[Round "7.9"]
[White "Paulet, Iozefina"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2236"]
[BlackElo "2286"]
[PlyCount "62"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Groningen"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. 0-0-0 Qa5 12. Kb1 Bd7 13. Bd3 Nb4 14. Nd4 Rac8 15. a3 Nbxd3 16. cxd3 Qb6 17. g4 f6 18. Rhf1 Na4 19. Nce2 fxe5 20. fxe5 Nc3+ 21. Nxc3 Qxd4 22. Qe2 a5 23. Rf3 Rxf3 24. Qxf3 Rf8 25. Qg3 Rf2 26. Qh4 Qb6 27. b4 axb4 28. Nxd5 exd5 29. a4 h6 30. g5 hxg5 31. Qxg5 Qd4 0-1

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.19"]
[Round "5"]
[White "Van Ketel, Raoul"]
[Black "Smeets, Jan"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2275"]
[BlackElo "2607"]
[PlyCount "84"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 Bb4 8. Bd2 b6 9. cxd5 cxd5 10. Nb5 Bxd2+ 11. Nxd2 0-0 12. g5 Ne4 13. Nxe4 dxe4 14. Qxe4 Rb8 15. Rg1 a6 16. Nc3 b5 17. Qh4 Bb7 18. Bd3 g6 19. Rd1 Qa5 20. Kf1 e5 21. Rg3 Rfd8 22. d5 b4 23. Ne4 Bxd5 24. Nf6+ Nxf6 25. gxf6 Qb6 26. Rh3 h6 27. Qxh6 Qxf6 28. Qh7+ Kf8 29. Qh8+ Ke7 30. Qxf6+ Kxf6 31. b3 e4 32. Be2 a5 33. f3 Rbc8 34. Rd4 Be6 35. Rh4 Rxd4 36. exd4 exf3 37. Bxf3 Rc1+ 38. Ke2 Rc2+ 39. Kd3 Rxa2 40. d5 Bf5+ 41. Kd4 a4 42. Kc5 axb3 0-1

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.18"]
[Round "3"]
[White "Van Ketel, Raoul"]
[Black "Guliyev, Namig"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2275"]
[BlackElo "2545"]
[PlyCount "81"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. Nc3 b4 6. Nce2 Nf6 7. Ng3 Ba6 8. Nf3 e6 9. Bg5 Qa5 10. Be2 Nbd7 11. 0-0 Be7 12. Qc1 Nb6 13. Ne5 Rc8 14. Rd1 0-0 15. Nh5 c3 16. Bxa6 cxb2 17. Qxb2 Qxa6 18. a5 Na8 19. Bxf6 gxf6 20. Qc1 Qe2 21. Qh6 Qxh5 22. Qxh5 fxe5 23. Qxe5 Nc7 24. Rac1 f6 25. Qg3+ Kf7 26. Qh3 Nb5 27. Qxh7+ Ke8 28. Qh5+ Kd7 29. d5 cxd5 30. exd5 Rxc1 31. dxe6+ Kc7 32. Rxc1+ Nc3 33. Qf3 Rb8 34. h4 Rb5 35. Qd3 Rxa5 36. Qd7+ Kb6 37. Qxe7 Ne2+ 38. Kh2 Nxc1 39. Qxb4+ Rb5 40. Qxb5+ Kxb5 41. e7 1-0

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.18"]
[Round "2"]
[White "Van der Hoeven, Gerben"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1961"]
[BlackElo "2275"]
[PlyCount "68"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. c4 dxc4 6. Na3 0-0 7. Nxc4 c5 8. b3 Nc6 9. Bb2 Bd7 10. d4 Rc8 11. dxc5 Bxc5 12. Bxf6 gxf6 13. Nd6 Rb8 14. Rc1 Ba3 15. Rc4 Qe7 16. Nb5 Rfd8 17. Nxa3 Qxa3 18. Qd2 Qf8 19. Qf4 Qg7 20. Bh3 Ne7 21. Qe3 b6 22. Rfc1 Rbc8 23. Rxc8 Bxc8 24. Rc4 h6 25. Qc1 Ba6 26. Rg4 Ng6 27. Bf1 e5 28. Ra4 Bb5 29. Rxa7 Nf4 30. Qe1 Qg4 31. Kh1 e4 32. gxf4 exf3 33. e3 Bxf1 34. Qxf1 Rd1 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.02.11"]
[Round "6.7"]
[White "Van Ketel, Raoul"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2286"]
[BlackElo "2198"]
[PlyCount "80"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 f5 5. exf5 Bxf5 6. Nge2 Nh6 7. h3 0-0 8. Be3 Bd7 9. g4 Nc6 10. Qd2 Nf7 11. Bg2 e5 12. d5 Nd4 13. Nxd4 exd4 14. Bxd4 Ne5 15. 0-0-0 Nxc4 16. Qe2 b5 17. Kb1 Bxd4 18. Rxd4 Qf6 19. Rxc4 bxc4 20. Ne4 Qe5 21. Qxc4 Rab8 22. Qc1 Rb4 23. Re1 Rxf2 24. Nxf2 Rxb2+ 25. Qxb2 Qxe1+ 26. Qc1 Qxf2 27. Bf1 Qb6+ 28. Ka1 h5 29. Qg5 Qd4+ 30. Kb1 Qe4+ 31. Kc1 hxg4 32. hxg4 Qe1+ 33. Kb2 Qe5+ 34. Qxe5 dxe5 35. g5 Kf8 36. Kc3 Ke7 37. Kc4 Kd6 38. Bg2 Bf5 39. a3 Bb1 40. Kb5 Bd3+ 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.01.07"]
[Round "5.8"]
[White "Van Ketel, Raoul"]
[Black "Tjiam, Dharma"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "2286"]
[BlackElo "2382"]
[PlyCount "138"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 d6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. b3 a6 9. Bb2 Rb8 10. Rc1 Na5 11. Qc2 Qe7 12. Rfd1 Bd7 13. e4 Rfc8 14. Ne2 b5 15. e5 Ne8 16. Qd2 Nc6 17. Ne1 bxc4 18. Rxc4 Nd8 19. Rdc1 d5 20. R4c2 Nb7 21. Nd3 Bf8 22. Nc5 Nxc5 23. Rxc5 Qd8 24. R5c2 Bb4 25. Qe3 a5 26. Nf4 a4 27. Nd3 axb3 28. axb3 Be7 29. Nc5 Rb6 30. Bf3 Bg5 31. Qc3 Rcb8 32. Rb1 Be7 33. Ba3 Bb5 34. Bd1 Ng7 35. g4 Bf8 36. Qg3 Rc6 37. h3 Ra8 38. Bb4 Rb6 39. Bd2 Bc4 40. Rc3 Ra2 41. Bf4 Be7 42. Rc2 Ra3 43. Rcb2 Bb5 44. Qc3 Ne8 45. Kh2 Qa8 46. Be3 Rb8 47. Qd2 Qa7 48. f4 c6 49. Bc2 Ra8 50. Rg1 Qa5 51. b4 Qc7 52. Bb1 Bc4 53. f5 Bxc5 54. bxc5 Rb8 55. Rxb8 Qxb8 56. fxe6 fxe6 57. Bh6 Qb3 58. Qg2 Nc7 59. Re1 Qf3 60. Qxf3 Rxf3 61. Kg2 Rb3 62. Rd1 Rb2+ 63. Kg3 Nb5 64. Rc1 Nxd4 65. Re1 Kf7 66. h4 Ne2+ 67. Kh3 Rb3+ 68. Kh2 Nc3 69. Re3 Nxb1 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.12.17"]
[Round "4.5"]
[White "Van Ketel, Raoul"]
[Black "Sprenger, Jan Michael"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2286"]
[BlackElo "2515"]
[PlyCount "56"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "De Stukkenjagers"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. d5 Ne5 5. Bf4 Ng6 6. Be3 e6 7. Nc3 Nf6 8. Bxc4 exd5 9. exd5 Bd6 10. Nf3 0-0 11. 0-0 Ng4 12. Qd2 Nh4 13. Bf4 Qf6 14. Bg3 Qxf3 15. Bxh4 Nxh2 16. Rfe1 Bh3 17. gxf3 Nxf3+ 18. Kh1 Nxd2 19. Be2 Rfe8 20. f3 Bf4 21. Red1 Re5 22. Be1 Nf1 23. Ne4 Ne3 24. Rd3 Bf5 25. Bc3 Rxe4 26. fxe4 Bxe4+ 27. Kg1 Bxd3 28. Bxd3 Nxd5 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.11.26"]
[Round "3.9"]
[White "Van der Heijden, Ton"]
[Black "Van Ketel, Raoul"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "2314"]
[BlackElo "2286"]
[PlyCount "78"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "BSG"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Bb4 7. Qc2 0-0 8. Nd2 d6 9. 0-0-0 Nbd7 10. e4 Bxc3 11. bxc3 e5 12. Bd3 Re8 13. f3 Nf8 14. g4 Ne6 15. dxe5 dxe5 16. Nf1 Qe7 17. Kb2 Nc5 18. Ne3 Rad8 19. g5 hxg5 20. Bxg5 Rxd3 21. Rxd3 Nxd3+ 22. Qxd3 Qd7 23. Qe2 Nh5 24. Rd1 Qa4 25. Qg2 Bc8 26. Rg1 Be6 27. Bf6 g6 28. Qg5 Nxf6 29. Qxf6 Bxc4 30. Nf5 Qxa2+ 31. Kc1 Qa3+ 32. Kc2 Qb3+ 33. Kc1 Qxc3+ 34. Kb1 Bd3+ 35. Ka2 Qc4+ 36. Kb2 Qb4+ 37. Ka2 Bc4+ 38. Ka1 Qa3+ 39. Kb1 Bd3# 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.10.29"]
[Round "2.9"]
[White "Van Ketel, Raoul"]
[Black "Braun, Christian1111"]
[Result "0-1"]
[ECO "E76"]
[WhiteElo "2286"]
[BlackElo "2392"]
[PlyCount "76"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Voerendaal"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 Bg4 6. Be2 Bxe2 7. Qxe2 Nc6 8. Nf3 e5 9. fxe5 dxe5 10. dxe5 Ng4 11. Bg5 Qc8 12. Nd5 0-0 13. 0-0 Re8 14. Bf6 Ncxe5 15. Ne7+ Rxe7 16. Bxe7 Qe6 17. Bg5 Nxc4 18. Rac1 Nxb2 19. h3 Ne5 20. Qb5 Nec4 21. Qxb7 Qb6+ 22. Qxb6 axb6 23. e5 c5 24. Bf6 Ne3 25. Rb1 Nxf1 26. Rxb2 Ne3 27. Rxb6 Rc8 28. Bxg7 Kxg7 29. Kf2 Nd5 30. Rd6 Nf4 31. g3 Ne6 32. Rd2 Ra8 33. Rc2 Ra3 34. Nd2 Nd4 35. Rxc5 Rxa2 36. Ke1 Rxd2 37. Kxd2 Nb3+ 38. Ke3 Nxc5 0-1

[Event "Spijkenisse Reinis op 26th"]
[Site "Spijkenisse"]
[Date "2011.10.22"]
[Round "3"]
[White "Van Ketel, Raoul"]
[Black "Van Wely, Loek"]
[Result "0-1"]
[ECO "E27"]
[WhiteElo "2286"]
[BlackElo "2689"]
[PlyCount "86"]
[EventDate "2011.10.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. e3 c6 8. Bd3 b6 9. Ne2 Ba6 10. cxd5 Bxd3 11. Qxd3 cxd5 12. e4 Ne8 13. e5 Nc6 14. a4 f6 15. f4 Rc8 16. 0-0 Rf7 17. g4 f5 18. gxf5 exf5 19. Ng3 g6 20. Ra2 Ng7 21. Rg2 Na5 22. Bd2 Nc4 23. Be1 Qd7 24. h4 Qxa4 25. h5 Qd7 26. hxg6 hxg6 27. Ne2 Qe6 28. Bh4 Nh5 29. Ng3 Nxg3 30. Qxg3 Rc6 31. Bg5 Kf8 32. Rh2 Ke8 33. Bf6 Kd7 34. Qxg6 Rc8 35. Rh7 Rxh7 36. Qxh7+ Kc6 37. Rf2 Qg8+ 38. Qxg8 Rxg8+ 39. Kf1 a5 40. Rh2 a4 41. Be7 Rg4 42. Rf2 a3 43. Bb4 Rxf4 0-1

[Event "EU-Cup 27th"]
[Site "Rogaska Slatina"]
[Date "2011.10.01"]
[Round "7"]
[White "Van Ketel, Raoul"]
[Black "Trygstad, Kristian J"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2286"]
[BlackElo "2342"]
[PlyCount "121"]
[EventDate "2011.09.25"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "SLO"]
[SourceTitle "CBM 145"]
[Source "ChessBase"]
[SourceDate "2011.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.11"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Oslo Schakselskap"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NOR"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. e3 Nf6 5. Bg3 d6 6. h4 Rg8 7. hxg5 hxg5 8. Nc3 e6 9. Qd2 Qe7 10. 0-0-0 a6 11. f3 Bd7 12. e4 f4 13. Bf2 Nc6 14. e5 Nd5 15. exd6 Qxd6 16. Ne4 Qe7 17. Bc4 0-0-0 18. Nh3 Bh6 19. Nxf4 gxf4 20. Rxh6 Rxg2 21. Bf1 Qg7 22. Rh4 Rg6 23. c4 Ne3 24. Bxe3 fxe3 25. Qxe3 e5 26. dxe5 Qxe5 27. a3 Rgg8 28. Qc5 Bf5 29. Qxe5 Nxe5 30. Rf4 Rxd1+ 31. Kxd1 Bxe4 32. fxe4 c5 33. Rf5 Re8 34. Ke2 b6 35. Ke3 Kc7 36. Be2 a5 37. Rf6 Re7 38. Kf4 Nc6 39. Bh5 Ne5 40. Kf5 Nxc4 41. Bf3 Ne5 42. Be2 Nf7 43. Kf4 Ne5 44. Bb5 c4 45. a4 Nd3+ 46. Ke3 Nxb2 47. Kd4 Nd3 48. Rc6+ Kb7 49. Rxc4 Nc5 50. Kd5 Rh7 51. e5 Rh1 52. Rg4 Rd1+ 53. Rd4 Re1 54. Kd6 Kc8 55. Rh4 Nb7+ 56. Kd5 Nc5 57. Rh8+ Kc7 58. Rh7+ Kb8 59. Re7 Rh1 60. Kd6 Nb7+ 61. Rxb7+ 1-0

