[Event "Amsterdam Seniors-Juniors"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "1"]
[White "Grapperhaus, H."]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E97"]
[PlyCount "46"]
[EventDate "1973.03.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Bg5 h6 10. Bh4 Nh5 11. Nd2 Nf4 12. Bg3 g5 13. Bxf4 exf4 14. Nf3 g4 15. Nd4 Bxd4 16. Qxd4 Ng6 17. Qd2 Kh7 18. Rad1 f3 19. gxf3 gxf3 20. Bxf3 Nh4 21. Qf4 Qg5+ 22. Qxg5 Nxf3+ 23. Kh1 hxg5 0-1

[Event "Amsterdam Seniors-Juniors"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "2"]
[White "Roessel, Frits"]
[Black "Grapperhaus, H."]
[Result "1-0"]
[ECO "D74"]
[PlyCount "65"]
[EventDate "1973.03.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. d4 Nc6 8. e4 Nb6 9. d5 Nb8 10. Nc3 c6 11. Re1 e5 12. Qb3 Na6 13. Bg5 Qe8 14. Be3 c5 15. Bf1 Bg4 16. Nd2 Qe7 17. Nb5 Bd7 18. Nxa7 Nxd5 19. exd5 Rxa7 20. Qb6 Rfa8 21. Ne4 f5 22. Bg5 Qf8 23. Nf6+ Bxf6 24. Bxf6 e4 25. Bc3 Qf7 26. Bc4 h6 27. b3 Kh7 28. d6 Be6 29. d7 Bxc4 30. d8Q Rxd8 31. Qxd8 Qg8 32. Qb6 Qe6 33. Qxa7 1-0

[Event "WchT Students 10th final A"]
[Site "Budva"]
[Date "1963.07.16"]
[Round "6.3"]
[White "Roessel, Frits"]
[Black "Schmidt, Wlodzimierz"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "43"]
[EventDate "1963.07.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Poland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "POL"]

1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 c6 8. d5 cxd5 9. cxd5 Nbd7 10. Nd2 Bh6 11. Nc4 Bxc1 12. Rxc1 Nc5 13. Qc2 Ne8 14. Nb5 b6 15. b4 Na6 16. Nxe5 Bd7 17. Nc6 Qf6 18. Ncxa7 Bxb5 19. Nxb5 Qe7 20. f4 Nf6 21. Bf3 Qd7 22. Qd3 1-0

[Event "WchT Students 10th final A"]
[Site "Budva"]
[Date "1963.07.14"]
[Round "4.3"]
[White "Roessel, Frits"]
[Black "Janata, Michael"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "60"]
[EventDate "1963.07.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Czechoslovakia"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CSR"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. 0-0 Nc6 5. d3 Bg4 6. h3 Bh5 7. c4 e6 8. cxd5 Nxd5 9. Nc3 Be7 10. Nxd5 exd5 11. Be3 0-0 12. a3 a5 13. b3 Qd7 14. g4 Bg6 15. d4 f5 16. dxc5 fxg4 17. hxg4 Rad8 18. Bg5 Bxg5 19. Nxg5 Qxg4 20. Nf3 Be4 21. Ne1 Bxg2 22. Nxg2 Rf6 23. f3 Qh3 24. Kf2 Rg6 25. Rg1 Ne5 26. Qd4 Qg3+ 27. Ke3 Nc6 28. Qf4 Re8+ 29. Kd2 Qf2 30. Raf1 Qxe2+ 0-1

[Event "WchT Students 10th final A"]
[Site "Budva"]
[Date "1963.07.11"]
[Round "1.3"]
[White "Zuckerman, Bernard"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "64"]
[EventDate "1963.07.11"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "United States of America"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. 0-0 b4 9. Nd5 exd5 10. exd5 Bc5 11. Re1+ Kf8 12. Be3 Qc8 13. c3 a5 14. Rc1 d6 15. cxb4 axb4 16. Nc6 Na6 17. Bxc5 dxc5 18. Na5 Ra7 19. Nxb7 Qxb7 20. d6 Qb6 21. Bf1 g6 22. Re7 Kg7 23. Rxa7 Qxa7 24. Qa4 Ra8 25. Re1 Nb8 26. Qb5 Nbd7 27. Re7 Qb6 28. Qc4 Rf8 29. Qe6 Kh8 30. Rxf7 Rxf7 31. Qxf7 Qxd6 32. Bc4 Ne5 0-1

[Event "Match/Nation GER-NED  11-11"]
[Site "Oberhausen"]
[Date "1962.06.17"]
[Round "2.8"]
[White "Roessel, Frits"]
[Black "Pesch, Werner"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "68"]
[EventDate "1962.06.16"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. 0-0 Nc6 7. Rb1 Bf5 8. d3 Qc8 9. b4 Bh3 10. b5 Nd8 11. Nd5 Nxd5 12. cxd5 Bxg2 13. Kxg2 e6 14. dxe6 fxe6 15. Qc2 e5 16. Be3 Ne6 17. Rfc1 a6 18. a4 axb5 19. axb5 Qd7 20. Ng5 Nxg5 21. Bxg5 Qf7 22. Be3 Rfc8 23. Qb3 Bf6 24. Rc2 Bd8 25. f4 Qxb3 26. Rxb3 Kf7 27. fxe5 dxe5 28. Rb4 Ke6 29. Re4 Bf6 30. Rec4 Kd6 31. Kf3 Ra5 32. Rc5 Ra4 33. R5c4 Rxc4 34. dxc4 Ra8 1/2-1/2

[Event "Match/Nation GER-NED  11-11"]
[Site "Oberhausen"]
[Date "1962.06.16"]
[Round "1.8"]
[White "Pesch, Werner"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "61"]
[EventDate "1962.06.16"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bc4 Nxc3 6. bxc3 e6 7. 0-0 Be7 8. d4 0-0 9. Bd3 Nc6 10. Ne5 Nxe5 11. dxe5 Qa5 12. c4 Qc7 13. Qe2 b6 14. Qe4 g6 15. Bb2 Bb7 16. Qg4 Rfe8 17. h4 h5 18. Qh3 b5 19. Rad1 bxc4 20. Bxg6 fxg6 21. Qxe6+ Kg7 22. Rd7 Qc6 23. Rxe7+ Rxe7 24. Qxe7+ Kg8 25. Qg5 Qe6 26. Rd1 Be4 27. Rd6 Qf5 28. Qh6 Qg4 29. f3 Qxh4 30. Bc3 Rb8 31. Rxg6+ 1-0

[Event "Match/Nation ENG-NED"]
[Site "Cheltenham"]
[Date "1961.10.08"]
[Round "2.5"]
[White "Golombek, Harry"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "A21"]
[PlyCount "55"]
[EventDate "1961.10.07"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. c4 d6 2. Nc3 e5 3. Nf3 f5 4. d3 Nf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Bd2 h6 9. Rc1 Nc6 10. Nd5 g5 11. Bc3 Nxd5 12. cxd5 Ne7 13. Nd2 Ng6 14. Nc4 b6 15. a4 Rf7 16. b4 Bf6 17. e4 f4 18. Qh5 Rg7 19. Bh3 g4 20. Bxg4 fxg3 21. Bxc8 gxh2+ 22. Kxh2 Rxc8 23. Bd2 Bg5 24. Bxg5 hxg5 25. Qg4 Nf4 26. Nxd6 Rh7+ 27. Kg1 Rb8 28. Nf5 1/2-1/2

[Event "Match/Nation ENG-NED"]
[Site "Cheltenham"]
[Date "1961.10.07"]
[Round "1.5"]
[White "Roessel, Frits"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "69"]
[EventDate "1961.10.07"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. b3 g6 6. Bb2 Bg7 7. 0-0 0-0 8. d3 Nc6 9. Nbd2 d5 10. cxd5 Nxd5 11. Bxg7 Kxg7 12. Nc4 f6 13. Qd2 e5 14. Ne1 Qd7 15. Rc1 Rad8 16. a3 Nd4 17. Qb2 Ne7 18. f4 exf4 19. Rxf4 Bxg2 20. Nxg2 Ne6 21. Rf2 Ng5 22. Rff1 Nf5 23. b4 cxb4 24. axb4 Nd4 25. Nf4 Rde8 26. e4 Rc8 27. Nd5 Nge6 28. Nce3 Rxc1 29. Rxc1 Qd6 30. Rf1 Qe5 31. Nc4 Qg5 32. Nd6 Qe5 33. Nc4 Qg5 34. Nd6 Qe5 35. Nc4 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.30"]
[Round "13.2"]
[White "Roessel, Frits"]
[Black "Popov, Luben"]
[Result "1/2-1/2"]
[ECO "E69"]
[PlyCount "29"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BUL"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5 11. Qc2 Re8 12. Be3 Qc7 13. c5 Nf8 14. Na4 Nh5 15. Rad1 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.29"]
[Round "12.2"]
[White "Weinstein, Raymond Allen"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E81"]
[PlyCount "118"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "NED"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 e5 6. Nge2 0-0 7. Bg5 c6 8. Qd2 Nbd7 9. d5 cxd5 10. Nxd5 h6 11. Nxf6+ Nxf6 12. Be3 Be6 13. Nc3 Rc8 14. Nd5 Bxd5 15. cxd5 Nd7 16. Be2 f5 17. exf5 gxf5 18. 0-0 f4 19. Bf2 e4 20. fxe4 Ne5 21. Bd4 Rc7 22. Rac1 Rcf7 23. Bh5 Rc7 24. Rxc7 Qxc7 25. b3 Qd8 26. Kh1 Qh4 27. Bf3 a6 28. Bc3 Rf7 29. Be2 Kh7 30. Bb4 Bf8 31. Ba3 Be7 32. Bb2 Bg5 33. Bxe5 f3 34. Bg3 fxg2+ 35. Kxg2 Qxe4+ 36. Rf3 Qxf3+ 37. Bxf3 Bxd2 38. Bxd6 Bf4 39. Bc5 Rd7 40. h3 Kg6 41. Be4+ Kf6 42. Kf3 Bd6 43. Bd4+ Be5 44. Be3 Rg7 45. Bf2 Rf7 46. Be3 h5 47. Bd3 Bd6 48. Bd4+ Kg5+ 49. Kg2 Rf8 50. Be3+ Kf6 51. Bd4+ Be5 52. Bf2 Rc8 53. Bh4+ Kg7 54. Kf3 Rc1 55. Ke4 Bd6 56. Kf5 Rh1 57. Ke6 Rxh3 58. Bf6+ Kf8 59. Bg6 Bc5 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.28"]
[Round "11.2"]
[White "Roessel, Frits"]
[Black "Westerinen, Heikki MJ"]
[Result "1-0"]
[ECO "E66"]
[PlyCount "61"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Finland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "FIN"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. d5 Na5 8. Nfd2 c5 9. Nc3 a6 10. Qc2 Rb8 11. b3 b5 12. cxb5 axb5 13. Bb2 Ba6 14. Rfe1 b4 15. Nd1 Qc7 16. Rc1 Rfc8 17. e4 Qd7 18. e5 dxe5 19. Bxe5 Rb6 20. Ne3 Bh6 21. f4 Ng4 22. Nxg4 Qxg4 23. d6 exd6 24. Ba1 Bg7 25. Bxg7 Kxg7 26. Qb2+ Kh6 27. Ne4 Qd7 28. Nf6 Qf5 29. Be4 Qh3 30. Bf3 Qf5 31. Ng4+ 1-0

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.27"]
[Round "10.2"]
[White "Jansa, Vlastimil"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "B29"]
[PlyCount "24"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bf4 e6 7. Qd2 h6 8. h4 Qc7 9. 0-0-0 b6 10. Bd3 Bb7 11. Be4 0-0-0 12. c4 Na5 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.26"]
[Round "9.2"]
[White "Roessel, Frits"]
[Black "Davis, ME."]
[Result "1/2-1/2"]
[ECO "E69"]
[PlyCount "58"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 c6 10. h3 Nb6 11. Qd3 d5 12. cxd5 cxd5 13. exd5 Nfxd5 14. Nxd5 Nxd5 15. Rd1 Nb4 16. Qb3 Qe7 17. Be3 Nc6 18. Nxc6 bxc6 19. Bxc6 Be6 20. Qa4 Rab8 21. Qxa7 Qxa7 22. Bxa7 Rxb2 23. a4 Bb3 24. Rdc1 Rc8 25. Be4 Re8 26. Bf3 Rd2 27. Be3 Rdd8 28. Bc6 Bxa1 29. Bxe8 Bb2 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.25"]
[Round "8.2"]
[White "Bendjema, H."]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "76"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bd3 e5 7. Nge2 Nc6 8. d5 Ne7 9. Be3 Ne8 10. g4 f5 11. gxf5 gxf5 12. Qd2 Ng6 13. 0-0-0 f4 14. Bf2 Bf6 15. h4 Bxh4 16. Bxh4 Nxh4 17. Ng1 Ng6 18. Rh6 Nf6 19. Qh2 Rf7 20. Nh3 Bxh3 21. Rxh3 Qe7 22. Rh1 Rg7 23. Rh6 Kh8 24. Bf1 Rag8 25. Bh3 Nf8 26. Kb1 Rg3 27. Ne2 Rxf3 28. Bf5 Rg7 29. Qh4 N6d7 30. Qh5 Rf7 31. a3 Rg7 32. Bxd7 Qxd7 33. Rf6 Qe7 34. Qf5 Kg8 35. Rhh6 Rf2 36. Rxf8+ Qxf8 37. Rf6 Qe8 38. Re6 Qa4 0-1

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.24"]
[Round "7.2"]
[White "Roessel, Frits"]
[Black "Jakobsen, Ole"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "119"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "DEN"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Ne1 Bd7 11. b3 Ne8 12. Be3 b6 13. Rd1 f5 14. f3 f4 15. Bf2 g5 16. a3 Nf6 17. b4 Nb7 18. Nd3 Qe7 19. c5 bxc5 20. bxc5 Nd8 21. Rb1 h5 22. Nb5 Bxb5 23. Rxb5 Qf7 24. Rc1 Ne8 25. cxd6 cxd6 26. Qc3 Qg6 27. Rxa5 Rxa5 28. Qxa5 Nf7 29. Nb4 g4 30. Nc6 Bf6 31. Qe1 g3 32. hxg3 fxg3 33. Bxg3 Kh7 34. Bf1 Rg8 35. Bh2 h4 36. Rb1 Ng7 37. Rb7 Re8 38. Ne7 Rxe7 39. Rxe7 Bxe7 40. a4 Nd8 41. a5 Qe8 42. Qb4 Qd7 43. Qb6 Nh5 44. a6 Qa4 45. Qa7 Nf7 46. Qxe7 Qd4+ 47. Kh1 Qf2 48. Qxf7+ Kh6 49. Qf8+ Kh7 50. Qf5+ Kh6 51. Qe6+ Kh7 52. Qd7+ Kh6 53. Qxd6+ Kh7 54. Qd7+ Kh6 55. Qb5 Ng3+ 56. Bxg3 hxg3 57. Qe2 Qb6 58. Qb5 Qe3 59. a7 Qf4 60. Qd7 1-0

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.23"]
[Round "6.2"]
[White "Bagirov, Vladimir"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B96"]
[PlyCount "123"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Soviet Union"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Ne4 Qxe4+ 12. Ne2 Nd7 13. fxg7 Bxg7 14. Qd6 Bf8 15. Qd2 Bg7 16. 0-0-0 0-0 17. Bh6 Qg6 18. Bxg7 Qxg7 19. Ng3 Nf6 20. Bd3 Bb7 21. Rhf1 Rad8 22. Rde1 Rd4 23. Re5 Rd5 24. Rxd5 Nxd5 25. Be4 f6 26. Nh5 Qe7 27. Rf3 Kh8 28. Qh6 Rf7 29. Bxd5 Bxd5 30. Rxf6 Rxf6 31. Nxf6 Bxg2 32. Qg5 Qf7 33. b3 Qg6 34. Qe5 Qf5 35. Qxf5 exf5 36. Nh5 Kg8 37. Kd2 Kf7 38. c3 Be4 39. Ke3 Kg6 40. Ng3 Bb1 41. a3 Kg5 42. Ne2 Ba2 43. Nc1 Bb1 44. c4 bxc4 45. bxc4 f4+ 46. Kd4 Kg4 47. c5 Kh3 48. c6 f3 49. c7 Bf5 50. Ke3 Kg2 51. Nd3 h5 52. Nf4+ Kxh2 53. Kxf3 h4 54. Ng6 h3 55. Kf2 Kh1 56. Ne7 Bd7 57. c8Q Bxc8 58. Nxc8 Kh2 59. Nd6 a5 60. Nf5 a4 61. Ne3 Kh1 62. Nf1 1-0

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.21"]
[Round "5.2"]
[White "Roessel, Frits"]
[Black "Csiszar, I."]
[Result "1/2-1/2"]
[ECO "A81"]
[PlyCount "54"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Hungary"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "HUN"]

1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bg2 d6 7. 0-0 Nc6 8. d5 Na5 9. Nd4 Bd7 10. c4 c5 11. dxc6 Nxc6 12. e3 Nxd4 13. exd4 d5 14. Qe2 Bc6 15. c5 f4 16. Nc3 Qd7 17. a4 Ne4 18. Nxe4 dxe4 19. Bxe4 f3 20. Qc4+ Kh8 21. Rfe1 Rad8 22. Rad1 Bxe4 23. Rxe4 e5 24. d5 Qh3 25. Qf1 Qh5 26. Re3 e4 27. Bxg7+ Kxg7 1/2-1/2

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.20"]
[Round "4.2"]
[White "Myagmarsuren, Lhamsuren"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "96"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Mongolia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "MGL"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. 0-0 Qb6 8. c4 Qxd4 9. Nxd4 g6 10. Nc3 Bg7 11. Be3 Nh6 12. h3 0-0 13. Rfe1 Rfe8 14. Rad1 f5 15. Bxh6 Bxh6 16. e5 Red8 17. exd6 exd6 18. Ne6 Bxe6 19. Rxe6 Bf8 20. b4 Kf7 21. Rde1 Re8 22. Rxe8 Rxe8 23. Rxe8 Kxe8 24. Kf1 d5 25. c5 Bg7 26. Nd1 a5 27. a3 axb4 28. axb4 Kd7 29. Ke2 Kc7 30. Ne3 Kb7 31. Kd3 Ka6 32. Kc2 Kb5 33. Kb3 Bd4 34. Nc2 Bxf2 35. Na3+ Ka6 36. Kc2 Kb7 37. Kd3 Kc7 38. Nc2 Kd7 39. g4 fxg4 40. hxg4 Bh4 41. Nd4 Bf6 42. Nf3 h6 43. Nd2 Ke7 44. Nb3 h5 45. gxh5 gxh5 46. Na5 Kd7 47. Nb7 h4 48. Nd6 h3 0-1

[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.17"]
[Round "1.2"]
[White "Westman, Jan Erik"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "B96"]
[PlyCount "58"]
[EventDate "1961.07.17"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. Bd3 Nbd7 9. Nf3 Qc7 10. a3 Bb7 11. 0-0 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. f5 Bc5+ 15. Kh1 0-0 16. Nh4 Qe5 17. c3 g6 18. Bh6 Rfe8 19. fxg6 hxg6 20. Qg4 Nf6 21. Rxf6 Qxf6 22. Rf1 Qh8 23. Bxg6 Qxh6 24. Bxf7+ Kh8 25. Ng6+ Kh7 26. Bxe8 Rxe8 27. Rf7+ Kg8 28. Ne5+ Kh8 29. Ng6+ Kg8 1/2-1/2

[Event "NED-ch20"]
[Site "The Hague"]
[Date "1961.05.03"]
[Round "4"]
[White "Tan, Hiong Liong"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "E70"]
[PlyCount "47"]
[EventDate "1961.04.29"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 0-0 6. f4 c5 7. d5 Re8 8. Bd3 e6 9. dxe6 Bxe6 10. Nge2 Nc6 11. 0-0 h6 12. Bh4 g5 13. fxg5 Ng4 14. Qd2 Nce5 15. h3 Nxd3 16. hxg4 Ne5 17. b3 Nxg4 18. Rad1 Be5 19. Nd5 hxg5 20. Bxg5 f6 21. Bxf6 Bxf6 22. Nxf6+ Nxf6 23. Qg5+ Kf7 24. e5 1-0

[Event "Clare Benedict Cup-08"]
[Site "Neuhausen"]
[Date "1961.04.09"]
[Round "5.1"]
[White "Dueckstein, Andreas"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "51"]
[EventDate "1961.04.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Nd7 8. 0-0 Nb6 9. h3 Bh5 10. a4 Qd6 11. Re1 Rg8 12. Qd3 Bg6 13. Qb3 Be4 14. c4 Qe6 15. Bf1 Qf5 16. Nh4 Bc2 17. Nxf5 Bxb3 18. Ra3 Bc2 19. Nd6+ Kd7 20. Nxb7 e6 21. Nc5+ Bxc5 22. dxc5 Nc8 23. Bd3 Bxd3 24. Rxd3+ Ke8 25. b4 Ne7 26. Bb2 1-0

[Event "Clare Benedict Cup-08"]
[Site "Neuhausen"]
[Date "1961.04.08"]
[Round "4.3"]
[White "Roessel, Frits"]
[Black "Blau, Max"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "77"]
[EventDate "1961.04.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SUI"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. Nc3 d5 7. cxd5 cxd5 8. d4 Nc6 9. Ne5 Nxe5 10. dxe5 Ng4 11. Nxd5 Nxe5 12. Qb3 e6 13. Nc3 Nc6 14. Rd1 Qa5 15. Be3 e5 16. Qb5 Qxb5 17. Nxb5 Bg4 18. Kf1 a6 19. Nd6 Rab8 20. h3 Be6 21. Bb6 Nd8 22. b3 e4 23. Rac1 f5 24. Rc7 Nf7 25. Re7 Nxd6 26. Rxd6 Bc8 27. Ba7 Ra8 28. Bd4 Bxd4 29. Rxd4 a5 30. f3 Ra6 31. Ke1 exf3 32. Bxf3 b5 33. Rd5 Rb6 34. Rc5 g5 35. h4 gxh4 36. gxh4 Kh8 37. Ra7 Ba6 38. Rcc7 Rh6 39. Bc6 1-0

[Event "Clare Benedict Cup-08"]
[Site "Neuhausen"]
[Date "1961.04.07"]
[Round "3.1"]
[White "Schmid, Lothar"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E98"]
[PlyCount "58"]
[EventDate "1961.04.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Nd3 f5 11. exf5 gxf5 12. f4 Ng6 13. Be3 Nf6 14. c5 Re8 15. cxd6 cxd6 16. Qb3 Kh8 17. Rad1 Ne4 18. fxe5 Nxc3 19. bxc3 dxe5 20. Nc5 f4 21. Bc1 e4 22. d6 Qg5 23. Rd5 Bf5 24. d7 Re5 25. Rxe5 Bxe5 26. Qxb7 Qd8 27. Nxe4 Rb8 28. Qd5 Qxd7 29. Qxd7 Bxd7 1/2-1/2

[Event "Clare Benedict Cup-08"]
[Site "Neuhausen"]
[Date "1961.04.06"]
[Round "2.2"]
[White "Roessel, Frits"]
[Black "Clarke, Peter Hugh"]
[Result "1/2-1/2"]
[ECO "D32"]
[PlyCount "54"]
[EventDate "1961.04.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 e6 5. e3 Nc6 6. Be2 d5 7. 0-0 Bd6 8. cxd5 exd5 9. Nc3 0-0 10. b3 Re8 11. Bb2 Be6 12. Ncb5 Bf8 13. Rc1 Bd7 14. Bd3 Ne4 15. Bb1 a6 16. Nc3 Nf6 17. Nce2 Rc8 18. Nxc6 Bxc6 19. Nd4 Bd7 20. Qd3 g6 21. Rxc8 Bxc8 22. Ne2 Bg7 23. Bd4 Bf5 24. Qc3 Bxb1 25. Rxb1 Ne4 26. Qb2 Bxd4 27. Qxd4 Qa5 1/2-1/2

[Event "Clare Benedict Cup-08"]
[Site "Neuhausen"]
[Date "1961.04.05"]
[Round "1.3"]
[White "Paoli, Enrico"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "99"]
[EventDate "1961.04.05"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Italy"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "NED"]

1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Qa4+ Nbd7 6. Nc3 g6 7. g3 Bg7 8. Bg2 0-0 9. d4 Nb6 10. Qb3 Bf5 11. Nge2 Bd3 12. Bg5 Bc4 13. Qb4 Nfxd5 14. Nxd5 Bxd5 15. f3 Bc4 16. Rd1 Qd5 17. Be3 Bxe2 18. Kxe2 Qxa2 19. Kf2 Nd5 20. Qa3 Qxa3 21. bxa3 Rac8 22. Rc1 Rfd8 23. Rxc8 Rxc8 24. Rc1 Rxc1 25. Bxc1 Bxd4+ 26. Ke2 e6 27. Kd3 Bg1 28. h3 Bh2 29. g4 Bf4 30. Bb2 Ne3 31. Bh1 e5 32. Bxe5 Bxe5 33. Kxe3 g5 34. Bg2 Kf8 35. Bf1 Ke7 36. Ke4 Kd6 37. Bc4 f6 38. a4 Kc5 39. Kd3 Kb4 40. Bd5 b6 41. Bc6 Kb3 42. Bb5 h6 43. a5 bxa5 44. Bc4+ Kb4 45. Be6 a4 46. Bf7 a5 47. Bg8 Ba1 48. Bf7 a3 49. Ba2 a4 50. Kc2 1/2-1/2

[Event "Match/Nation ENG-NED"]
[Site "Cheltenham"]
[Date "1959.10.25"]
[Round "2.10"]
[White "Littlewood, John Eric"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "120"]
[EventDate "1959.10.24"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. f4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 g6 5. d3 d5 6. Ne5 Nfd7 7. c4 c6 8. cxd5 cxd5 9. Qa4 Bg7 10. Nc3 e6 11. Nb5 0-0 12. Nd6 Nxe5 13. fxe5 Bc6 14. Qf4 f6 15. Qg4 Qe7 16. h4 Nd7 17. Bd2 Nxe5 18. Qb4 a5 19. Qa3 Qd7 20. h5 Rfd8 21. d4 Ng4 22. hxg6 Qxd6 23. Qxd6 Rxd6 24. Rxh7 f5 25. Rc1 Be8 26. Rc7 Rd7 27. Rc6 Bxg6 28. Rxg7+ Kxg7 29. Rxe6 b5 30. Rb6 b4 31. Rb5 Nf6 32. Bf4 Ne4 33. Be5+ Kh7 34. Bh3 Rc8 35. Kf1 Ra8 36. g4 fxg4 37. Bxg4 Rf7+ 38. Kg2 Ng5 39. Kg3 Be4 40. Kh4 Rg8 41. Rxa5 Rf1 42. Ra7+ Nf7 43. Bf3 Bg6 44. Bxd5 Kh6 45. e3 Rd8 46. Bg2 Rg1 47. Bf4+ Kg7 48. Kh3 Rh8+ 49. Kg3 Be4 50. Be5+ Kg6 51. Bxh8 Nxh8 52. Ra4 Kg5 53. Ra5+ Kg6 54. Rb5 Rxg2+ 55. Kf4 Bb1 56. a4 Rxb2 57. a5 Bd3 58. Rb6+ Kf7 59. a6 Ng6+ 60. Kf3 Bf1 0-1

[Event "Match/Nation ENG-NED"]
[Site "Cheltenham"]
[Date "1959.10.24"]
[Round "1.10"]
[White "Roessel, Frits"]
[Black "Littlewood, John Eric"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "51"]
[EventDate "1959.10.24"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nbd7 4. d4 c5 5. c4 dxc4 6. 0-0 cxd4 7. Qxd4 e6 8. Nc3 a6 9. Bf4 Bc5 10. Qxc4 b5 11. Qb3 Bb7 12. Rad1 Qb6 13. h3 Rc8 14. e4 Nh5 15. Ne5 Ndf6 16. Nd3 Bd4 17. Ne2 Nxf4 18. Ndxf4 Be5 19. Nd3 Nd7 20. Kh1 Nc5 21. Nxc5 Rxc5 22. f4 Bf6 23. Rd2 0-0 24. e5 Bxg2+ 25. Kxg2 Be7 26. Qf3 1/2-1/2

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.20"]
[Round "10"]
[White "Jonkman, Meinard"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "77"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Ba6 5. e3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 0-0 8. Rc1 c5 9. Bg2 Nc6 10. 0-0 Rc8 11. Qa4 Bb7 12. dxc5 bxc5 13. Rfd1 Qe7 14. Nb3 d6 15. Ne1 Rfd8 16. Nd3 e5 17. Na5 Nxa5 18. Qxa5 Bxg2 19. Kxg2 Qb7+ 20. Kg1 Ne4 21. Qb5 Qe7 22. Qa4 Ng5 23. h4 Nf3+ 24. Kg2 Qb7 25. Kh3 g5 26. Ne1 gxh4 27. Rd5 Ng5+ 28. Kxh4 Qe7 29. Qc2 Qe6 30. Kxg5 Kh8 31. Kh4 Rg8 32. Qe2 Rg6 33. g4 Rcg8 34. f3 f5 35. Rcd1 fxg4 36. Rxd6 Rh6+ 37. Kg3 gxf3+ 38. Kxf3 Qg4+ 39. Kf2 0-1

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.19"]
[Round "9"]
[White "Roessel, Frits"]
[Black "Barendregt, Johan"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "80"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. 0-0 c5 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. Nc3 Be6 10. b3 Qd7 11. Rb1 Rad8 12. Ne3 Bh3 13. Qd2 Bxg2 14. Kxg2 Nh5 15. Bb2 f5 16. f4 g5 17. Rbd1 gxf4 18. gxf4 Bh6 19. Nc2 Ne5 20. e3 Ng4 21. h3 Ngf6 22. Kh2 Kf7 23. Rg1 Rg8 24. Qf2 Rg6 25. Nd4 Rdg8 26. Nf3 Qe6 27. Nd4 Qc8 28. Rxg6 hxg6 29. Nf3 Rh8 30. Qg2 Qc5 31. Qg1 Ng4+ 32. hxg4 Bxf4+ 33. Kg2 Bxe3 34. Na4 Nf4+ 35. Kf1 Qc6 36. Qxe3 Rh1+ 37. Kf2 Nh3+ 38. Ke2 f4 39. Qd3 Rh2+ 40. Nxh2 Qg2+ 0-1

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.18"]
[Round "8"]
[White "Cortlever, Nicolaas"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "85"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 g6 7. Be3 Bg7 8. Qd2 0-0 9. Nc3 a6 10. Be2 Bd7 11. 0-0 Rc8 12. Rac1 Nxd4 13. Bxd4 Bc6 14. Rfe1 Qd7 15. Nd5 Bxd5 16. exd5 Ne8 17. Bf2 Bf6 18. b3 Nc7 19. a4 Qf5 20. Bd3 Qd7 21. a5 e5 22. dxe6 Nxe6 23. Rcd1 Bd4 24. Bf1 Bxf2+ 25. Qxf2 Rcd8 26. f4 Rfe8 27. Qf3 Qc7 28. b4 b6 29. f5 Nf8 30. Rxe8 Rxe8 31. Qd5 bxa5 32. Qxa5 Qxa5 33. bxa5 Re5 34. Rd5 Rxf5 35. Rxf5 gxf5 36. c5 dxc5 37. Bxa6 Ne6 38. Bc4 Nd4 39. a6 Nc6 40. Kf2 Kg7 41. Ke3 Kf6 42. Kf4 h6 43. Bb5 1-0

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.17"]
[Round "7"]
[White "Roessel, Frits"]
[Black "Van Scheltinga, Theo D"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "80"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. c4 dxc4 5. Qa4 c6 6. Qxc4 Bd6 7. d4 Ngf6 8. Nc3 h6 9. 0-0 0-0 10. Be3 Ng4 11. Bd2 Nb6 12. Qd3 f5 13. e4 Bc5 14. h3 exd4 15. hxg4 dxc3 16. Qxc3 fxe4 17. Nh2 Qd4 18. Qb3+ Qc4 19. Rac1 Qxb3 20. axb3 Bd4 21. Bc3 Bxc3 22. bxc3 Be6 23. c4 a5 24. Rfe1 a4 25. Rxe4 Rfe8 26. bxa4 Nxa4 27. c5 Bf7 28. Rb4 Ra7 29. Bf1 Ra5 30. Ra1 Rea8 31. Rxb7 Nxc5 32. Rxa5 Rxa5 33. Rc7 Bd5 34. Bg2 Ra1+ 35. Nf1 Ne4 36. f3 Nxg3 37. Rc8+ Kf7 38. Kf2 Nxf1 39. Bxf1 Kf6 40. Ke2 Ra3 1/2-1/2

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.16"]
[Round "6"]
[White "Orbaan, Constant"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B29"]
[PlyCount "109"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 Nc6 6. Bc4 e6 7. Bf4 Qc7 8. Qd2 b6 9. 0-0-0 h6 10. h4 Bb7 11. Bg3 0-0-0 12. Qf4 f5 13. h5 Rg8 14. Nh4 Be7 15. Qd2 Rde8 16. Ng6 Bd8 17. Qe2 Nb8 18. f3 Be7 19. Rd2 Bc6 20. a4 Qb7 21. Bb5 a6 22. Bxc6 Qxc6 23. b3 Bg5 24. Bf4 Bxf4 25. Nxf4 Re7 26. Rd6 Qb7 27. Qc4 Nc6 28. Ng6 Rf7 29. b4 cxb4 30. cxb4 b5 31. axb5 Qxb5 32. Qxb5 axb5 33. c3 Kc7 34. Rhd1 Rd8 35. g3 Ne7 36. Nf4 Nc6 37. Ng6 Ra8 38. Kb2 Ra7 39. R1d2 Rb7 40. Rd1 Ra7 41. Kb3 Ra4 42. Rc1 Na7 43. c4 Nc6 44. Rxc6+ dxc6 45. cxb5 Ra8 46. Rxc6+ Kd8 47. Rxe6 Rd7 48. Kc4 Ra3 49. Ra6 Rc7+ 50. Rc6 Rxf3 51. e6 Rxg3 52. e7+ Rxe7 53. Nxe7 Rg4+ 54. Kc5 Re4 55. Nd5 1-0

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.15"]
[Round "5"]
[White "Roessel, Frits"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "E00"]
[PlyCount "92"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. g3 Bb4+ 4. Nd2 c5 5. dxc5 Bxc5 6. Bg2 Nc6 7. Ngf3 0-0 8. 0-0 Be7 9. a3 a5 10. Nb1 Ne4 11. Nd4 Nc5 12. Nb5 a4 13. N1c3 Ne5 14. Qc2 Nxc4 15. Nxa4 Nxa4 16. Qxc4 d5 17. Qd3 Bd7 18. Nc3 Nc5 19. Qd1 d4 20. b4 dxc3 21. bxc5 Bxc5 22. Bxb7 Ba4 23. Qxd8 Raxd8 24. Be4 c2 25. Bb2 Rd1 26. Rc1 Rc8 27. Bxc2 Rxc1 28. Bxa4 Rxf1+ 29. Kxf1 Bxa3 30. Bxa3 Ra8 31. Bc6 Rxa3 32. f4 Kf8 33. Bf3 Ke7 34. Kf2 Kd6 35. Bb7 Kc5 36. Bf3 Kd4 37. Bc6 e5 38. fxe5 Kxe5 39. Bf3 f5 40. Bc6 f4 41. Bf3 Rc3 42. Kg2 Kf5 43. Kf2 Ke5 44. Kg2 fxg3 45. Kxg3 Kf5 46. h3 Ra3 0-1

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.13"]
[Round "4"]
[White "Spanjaard, Eduard"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "61"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Qc2 0-0 9. Bd3 Re8 10. 0-0 g6 11. Rab1 Nh5 12. Bxe7 Qxe7 13. b4 f5 14. b5 Qd6 15. Rfc1 Ndf6 16. bxc6 bxc6 17. Ne5 f4 18. Bxg6 hxg6 19. Qxg6+ Ng7 20. exf4 Rf8 21. g4 Rb8 22. Ne2 Rxb1 23. Rxb1 c5 24. dxc5 Qxc5 25. Rc1 Qe7 26. Nd4 Ne4 27. Rxc8 Rxc8 28. Nf5 Qb7 29. Nf7 Qb2 30. N7h6+ Kh8 31. Nf7+ 1/2-1/2

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.12"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Van Weezel, Chr"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "55"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 Nbd7 7. Qc2 c6 8. b3 Re8 9. Bb2 Bd6 10. Nbd2 a5 11. a3 Nf8 12. Ne5 Ng6 13. Ndf3 Bd7 14. c5 Bc7 15. Nxg6 hxg6 16. Ne5 Bxe5 17. dxe5 Ng4 18. h3 Nh6 19. g4 Kh7 20. f4 Rh8 21. Rad1 Qe7 22. Bd4 Rhf8 23. e4 Kh8 24. g5 Ng8 25. Qf2 f5 26. exd5 cxd5 27. c6 Bxc6 28. Bc5 1-0

[Event "NED-ch19"]
[Site "Amsterdam"]
[Date "1958.12.10"]
[Round "1"]
[White "Roessel, Frits"]
[Black "Van Donk, Henk"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "80"]
[EventDate "1958.12.10"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 Na6 8. Qd2 Nc7 9. g4 e6 10. 0-0-0 exd5 11. exd5 a6 12. h4 b5 13. h5 bxc4 14. Bh6 Nb5 15. Bxg7 Kxg7 16. hxg6 fxg6 17. Qh6+ Kg8 18. g5 Nxc3 19. gxf6 Nxa2+ 20. Kb1 Bf5+ 21. Bd3 Bxd3+ 22. Rxd3 Ra7 23. Re3 Nb4 24. Nh3 Qxf6 25. Ng5 Nd3 26. Rxd3 cxd3 27. Nxh7 Qg7 28. Nxf8 Qxh6 29. Rxh6 Kxf8 30. Rxg6 Rg7 31. Rf6+ Ke7 32. Re6+ Kd7 33. Kc1 Rg5 34. Kd2 Rxd5 35. Re4 Kc6 36. Rf4 a5 37. b3 Kb5 38. Ra4 Rf5 39. f4 d5 40. Kxd3 Rh5 0-1

[Event "Wageningen Caldex"]
[Site "Wageningen"]
[Date "1958.11.09"]
[Round "5"]
[White "Roessel, Frits"]
[Black "Van Scheltinga, Theo D"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "49"]
[EventDate "1958.11.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. c4 dxc4 5. Qa4 Bd6 6. Na3 Ngf6 7. Nxc4 0-0 8. Nxd6 cxd6 9. 0-0 Nc5 10. Qh4 e4 11. Nd4 Qb6 12. b3 Re8 13. Nc2 Re5 14. Ne3 Rh5 15. Nc4 Qd8 16. Qf4 d5 17. Qd6 Bg4 18. Qxd8+ Rxd8 19. f3 exf3 20. exf3 dxc4 21. fxg4 Re5 22. g5 Nfe4 23. Re1 Rde8 24. Bb2 R5e6 25. bxc4 1/2-1/2

[Event "Wageningen Caldex"]
[Site "Wageningen"]
[Date "1958.11.08"]
[Round "4"]
[White "Flohr, Salo"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "A81"]
[PlyCount "63"]
[EventDate "1958.11.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. b3 a5 7. a4 b6 8. Ne5 c6 9. Nd2 Bb7 10. e4 d5 11. exf5 exf5 12. Bb2 Bd6 13. Qf3 Ne4 14. Nxe4 fxe4 15. Qh5 Qe8 16. Qxe8 Rxe8 17. f3 Bxe5 18. dxe5 exf3 19. Rxf3 Nd7 20. Re1 Re7 21. Rfe3 Nf8 22. c4 dxc4 23. bxc4 Rd8 24. Rb3 Nd7 25. Ba3 Rxe5 26. Rd1 Kf7 27. Rbd3 Ke8 28. Bc1 h6 29. Bf3 Ke7 30. Bf4 Rf5 31. Bg4 Rxf4 32. Rxd7+ 1-0

[Event "Wageningen Caldex"]
[Site "Wageningen"]
[Date "1958.11.05"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Bouwmeester, Hans"]
[Result "1-0"]
[ECO "A97"]
[PlyCount "95"]
[EventDate "1958.11.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 d6 6. 0-0 0-0 7. Nc3 Qe8 8. Re1 Qg6 9. e4 fxe4 10. Nxe4 Nxe4 11. Rxe4 Nc6 12. Qe2 Bf6 13. c5 e5 14. dxe5 dxe5 15. Qc4+ Kh8 16. Be3 Qe8 17. Bg5 Be6 18. Qa4 Bd5 19. Bxf6 Rxf6 20. Re3 Qh5 21. g4 Qg6 22. Nxe5 Nxe5 23. Bxd5 Qxg4+ 24. Qxg4 Nxg4 25. Re7 c6 26. Bg2 Nxf2 27. Rxb7 Nd3 28. Rd1 Nxc5 29. Rxa7 Raf8 30. b4 Ne6 31. Rd6 h5 32. Rxc6 Rd8 33. Rc1 Rd2 34. Be4 Rf4 35. Ra8+ Nf8 36. Re1 Rd4 37. b5 Rb4 38. a4 g5 39. Bc6 Kg7 40. a5 Ne6 41. a6 Rg4+ 42. Kh1 Nc5 43. Bf3 Nd3 44. Bxg4 Nxe1 45. a7 Rxg4 46. Rg8+ Kxg8 47. a8Q+ Kf7 48. Qa2+ 1-0

[Event "Wageningen Caldex"]
[Site "Wageningen"]
[Date "1958.11.02"]
[Round "2"]
[White "Donner, Jan Hein"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "E66"]
[PlyCount "59"]
[EventDate "1958.11.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. cxb5 axb5 13. Bb2 b4 14. Nd1 e5 15. dxe6 fxe6 16. Ne3 Bb7 17. Bxb7 Rxb7 18. Rad1 Qe7 19. Bxf6 Bxf6 20. Ne4 Bd4 21. Nc4 Nxc4 22. bxc4 Rb6 23. e3 Bf6 24. Rd3 Ra8 25. Rfd1 Rba6 26. Rxd6 Rxa2 27. Qd3 R8a3 28. Qf1 b3 29. Nxf6+ Qxf6 30. Rd8+ 1-0

[Event "Wageningen Caldex"]
[Site "Wageningen"]
[Date "1958.11.01"]
[Round "1"]
[White "Botvinnik, Mikhail"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "55"]
[EventDate "1958.11.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 e5 6. Nge2 0-0 7. Bg5 c6 8. Qd2 a6 9. d5 cxd5 10. Nxd5 Nc6 11. Nec3 Nd4 12. Bd3 b5 13. cxb5 axb5 14. 0-0 Bb7 15. Kh1 b4 16. Nxb4 Qa5 17. Nc2 d5 18. Bxf6 Bxf6 19. exd5 Rfd8 20. Ne3 Bg5 21. Qf2 f5 22. Nc4 Qc7 23. Nxe5 Qxe5 24. f4 Bxf4 25. Rae1 Qg7 26. Qxf4 Rac8 27. Re5 Re8 28. Rfe1 1-0

[Event "Match/Nation NED-ENG"]
[Site "Vlissingen"]
[Date "1958.10.25"]
[Round "1.7"]
[White "Fuller, John Arthur"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "74"]
[EventDate "1958.10.25"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. bxc3 d5 6. Bb5+ Nc6 7. h3 Bf5 8. 0-0 e6 9. a4 Be7 10. Ba3 Qa5 11. Qb1 0-0 12. Bd3 Bxd3 13. cxd3 Rfc8 14. d4 Rc7 15. dxc5 Bxc5 16. Qb5 Bxa3 17. Rxa3 a6 18. Qb2 Qc5 19. d4 Qe7 20. a5 Na7 21. Rb3 Nb5 22. Re1 Rac8 23. Re3 Rc4 24. Nd2 Ra4 25. Rb4 Rxb4 26. cxb4 h6 27. Rb3 Qc7 28. Nf3 Qc1+ 29. Qxc1 Rxc1+ 30. Kh2 Rd1 31. Kg3 Nxd4 32. Nxd4 Rxd4 33. f4 g5 34. fxg5 hxg5 35. Kf3 Kg7 36. g3 Re4 37. b5 Ra4 0-1

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.22"]
[Round "11"]
[White "Noradounguian, Georges"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "B29"]
[PlyCount "39"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 e6 6. Bf4 Nc6 7. Qd2 Qc7 8. Be2 h6 9. h4 b6 10. 0-0-0 Bb7 11. Rhe1 0-0-0 12. Bf1 Ne7 13. Nh2 Nf5 14. h5 d5 15. g4 Ne7 16. Bg3 g6 17. f4 gxh5 18. gxh5 Nf5 19. Bf2 Rg8 20. Bh3 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.21"]
[Round "10"]
[White "Roessel, Frits"]
[Black "Kraidman, Yair"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "96"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Israel"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ISR"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 c5 5. c4 Nc6 6. d4 cxd4 7. Nxd4 0-0 8. Nc2 b6 9. Nc3 Bb7 10. b3 Qc8 11. e4 d6 12. Bb2 Rd8 13. Qe2 Nd7 14. Rad1 Nc5 15. Ne3 Kh8 16. Ncd5 e5 17. f4 Nd4 18. Qf2 Rf8 19. f5 f6 20. g4 Nc6 21. fxg6 hxg6 22. Qh4+ Kg8 23. Nxf6+ Bxf6 24. Rxf6 Rxf6 25. Qxf6 Qe6 26. Rxd6 Qxf6 27. Rxf6 Kg7 28. Rd6 Re8 29. h4 Re6 30. Rxe6 Nxe6 31. g5 Nf4 32. Ng4 Nxg2 33. Kxg2 Kf7 34. Kf3 Ke6 35. Nf2 a6 36. Nd3 Kd6 37. a4 Bc8 38. b4 Be6 39. c5+ bxc5 40. bxc5+ Kd7 41. Ke3 Bb3 42. Bxe5 Bxa4 43. Bc3 Bb3 44. Nf4 Bf7 45. h5 gxh5 46. g6 Be8 47. Bf6 a5 48. e5 Nxe5 1-0

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.18"]
[Round "7"]
[White "Forintos, Gyozo Victor"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "156"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nc6 7. Nc3 Rb8 8. h3 a6 9. e4 b5 10. cxb5 axb5 11. d5 Na5 12. b4 Nc4 13. Rb1 Bd7 14. Qd3 Qc8 15. a4 Nb6 16. a5 Nc4 17. Nd4 c6 18. dxc6 Bxc6 19. Nxc6 Qxc6 20. f4 Qc7 21. Rf2 Rfc8 22. Rc2 e6 23. Bf1 d5 24. exd5 exd5 25. Nxd5 Nxd5 26. Qxd5 Qa7+ 27. Kh2 Ne3 28. Rxc8+ Rxc8 29. Bxe3 Qxe3 30. Qg2 Rd8 31. Qg1 Rd2+ 32. Bg2 Qa3 33. Qc1 Qe3 34. Qc8+ Bf8 35. Qc6 h5 36. Qxb5 h4 37. Qg5 Be7 38. Qg4 Rxg2+ 39. Kxg2 Qe4+ 40. Kf2 Qxb1 41. Qc8+ Kg7 42. Qc3+ Bf6 43. Qd2 hxg3+ 44. Kxg3 Qb3+ 45. Kg2 Bc3 46. Qe3 Qxb4 47. a6 Qb2+ 48. Kf3 Bd4 49. Qe2 Qxe2+ 50. Kxe2 Kf6 51. Kd3 Ba7 52. Ke4 Ke6 53. Kf3 f5 54. Kg3 Bb8 55. Kh4 Kf6 56. Kg3 g5 57. Kf3 Kg6 58. fxg5 Kxg5 59. Ke3 Ba7+ 60. Kf3 Kf6 61. Kf4 Ke6 62. h4 Kf6 63. Kf3 Kg6 64. Kf4 Bb8+ 65. Ke3 Kf7 66. Kd4 Ke6 67. Kd3 Kd5 68. Ke3 Ke5 69. Kf3 Ba7 70. Kg3 Ke4 71. h5 f4+ 72. Kh3 f3 73. h6 Ke3 74. h7 f2 75. h8Q f1Q+ 76. Kh2 Qf4+ 77. Kg2 Qf2+ 78. Kh1 Qf3+ 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.17"]
[Round "6"]
[White "Roessel, Frits"]
[Black "Arnlind, Eric Alfons"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "79"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SWE"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 c5 6. c4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. Nc3 Be6 10. b3 Qd7 11. Qd3 Bh3 12. Bb2 Ne5 13. Qd2 Bxg2 14. Kxg2 Qc6+ 15. f3 a6 16. Rfd1 Rac8 17. Rac1 Qc5 18. e4 b5 19. cxb5 axb5 20. Nd4 Qb6 21. Ndxb5 Nfg4 22. fxg4 Nxg4 23. Nd5 Rxc1 24. Nxb6 Rxd1 25. Qe2 Bxb2 26. Qxb2 f5 27. Qe2 Rc1 28. Nc4 h5 29. h3 Nf6 30. exf5 gxf5 31. Qe6+ Kg7 32. Nd4 Ra1 33. Nxf5+ Kg6 34. Nxe7+ Kg7 35. Nxd6 Rxa2+ 36. Kf3 Kh6 37. Ne8 Ra1 38. Ng8+ Kg6 39. Ngxf6 Rf1+ 40. Ke2 1-0

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.15"]
[Round "5"]
[White "Roessel, Frits"]
[Black "Beyen, Roland"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "115"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. e4 d6 7. Nbd2 Qc7 8. a4 Bd7 9. Nc4 Bc6 10. Bf4 Nh5 11. Bd2 Nd7 12. Bc3 Bxc3 13. bxc3 Nb6 14. Nb2 e5 15. a5 Nd7 16. Nh4 b6 17. Nc4 Bb5 18. Ne3 Qd8 19. axb6 Nxb6 20. c4 Bd7 21. Nhf5 Be6 22. f4 f6 23. Nh6+ Kh8 24. f5 Bc8 25. Qd2 g5 26. Kf2 Qe7 27. Rh1 Qg7 28. Neg4 Bd7 29. h3 Nc8 30. Rh2 Be8 31. Rah1 a5 32. h4 a4 33. hxg5 Qxg5 34. Qxg5 fxg5 35. Rxh5 Bxh5 36. Rxh5 a3 37. Rh1 a2 38. Ra1 Ne7 39. Ne3 Rfb8 40. f6 Ng6 41. Bh3 Rb1 42. Rxa2 Rxa2 43. Be6 Ra7 44. Nef5 Rb8 45. Nxd6 Rf8 46. Ndf7+ Rfxf7 47. Nxf7+ Kg8 48. Nxe5+ Kf8 49. Nxg6+ hxg6 50. e5 Ra2 51. Bd5 Rxc2+ 52. Ke3 Rc1 53. e6 Re1+ 54. Kf2 Re5 55. g4 Ke8 56. Bc6+ Kf8 57. e7+ Kf7 58. e8Q+ 1-0

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.14"]
[Round "4"]
[White "Martin, Pedro"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "35"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Nf6 13. Re1 Bg4 14. Bd2 Na6 15. Bf1 Nc7 16. h3 Bd7 17. a4 a6 18. Qb3 1/2-1/2

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.13"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Brzozka, Stefan"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "83"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Poland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "POL"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. Re1 Re8 9. c3 b5 10. e5 Nd7 11. d4 cxd4 12. cxd4 Qb6 13. Nf1 a5 14. h4 Ba6 15. N1h2 Rac8 16. Be3 Nf8 17. Ng4 b4 18. Qd2 b3 19. a3 a4 20. Bh6 f5 21. exf6 Bxf6 22. Nxf6+ gxf6 23. Bxf8 Kxf8 24. Qh6+ Kf7 25. Qxh7+ Kf8 26. Bh3 Nd8 27. Re3 Qc7 28. Qh8+ Kf7 29. Qh5+ Kf8 30. Bf5 Qg7 31. Rae1 Rc6 32. g4 Re7 33. g5 Rec7 34. Bxe6 Nxe6 35. Rxe6 Rxe6 36. Rxe6 Rc1+ 37. Kh2 Qc7+ 38. Ne5 Rh1+ 39. Kxh1 Qc1+ 40. Kh2 Qf4+ 41. Kg2 Qe4+ 42. Qf3 1-0

[Event "Olympiad-13 Final B"]
[Site "Munich"]
[Date "1958.10.12"]
[Round "2"]
[White "Siemms, Ross E"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "85"]
[EventDate "1958.10.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "NED"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Bg5 0-0 6. Nf3 c5 7. d5 Qa5 8. Bd3 a6 9. 0-0 e6 10. Qd2 exd5 11. exd5 Qc7 12. Rae1 Bg4 13. Nh4 Bc8 14. f4 Nbd7 15. Nf3 b5 16. b3 bxc4 17. bxc4 h6 18. Bh4 Bb7 19. f5 g5 20. Nxg5 hxg5 21. Bxg5 Nh7 22. f6 Ndxf6 23. Re3 Nxg5 24. Rg3 Nfh7 25. Rxg5 Nxg5 26. Qxg5 f5 27. Ne2 Qd8 28. Qg3 Bc8 29. h4 Ra7 30. Nf4 Qf6 31. h5 Re8 32. Kh1 Rf7 33. Ng6 Kh7 34. Nh4 Kg8 35. Ng6 Kh7 36. Nh4 Re5 37. Nf3 Kg8 38. Nxe5 dxe5 39. Qh3 a5 40. g4 e4 41. Bxe4 fxg4 42. Rxf6 gxh3 43. Rg6 0-1

[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.08"]
[Round "8"]
[White "Roessel, Frits"]
[Black "Ravn, Palle"]
[Result "0-1"]
[ECO "A97"]
[PlyCount "73"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "DEN"]

1. Nf3 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. c4 0-0 6. 0-0 d6 7. Nc3 Qe8 8. Re1 Qg6 9. e4 Nxe4 10. Nxe4 fxe4 11. Rxe4 Nc6 12. Qe2 Bf6 13. c5 e5 14. dxe5 dxe5 15. Qc4+ Kh8 16. Be3 Be6 17. Qxe6 Qxe4 18. Ng5 Qg6 19. Be4 Qh5 20. Nxh7 Rae8 21. Qb3 Rg8 22. Qxb7 Nd4 23. Qxc7 Bd8 24. Qd7 g6 25. Bxd4 exd4 26. Qxd4+ Kxh7 27. b4 Rgf8 28. Re1 Qg5 29. a4 Qf6 30. Qxf6 Bxf6 31. Kg2 Bc3 32. Re3 Bxb4 33. c6 Bc5 34. Re2 Bb6 35. f4 Kg7 36. Kf3 Kf6 37. Rd2 0-1

[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.05"]
[Round "5"]
[White "Contedini, Ennio"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "44"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Italy"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3 5. dxc3 e6 6. Bd3 Nc6 7. Qe2 Qc7 8. Bf4 d5 9. exd6 Bxd6 10. Bxd6 Qxd6 11. 0-0-0 Qf4+ 12. Kb1 Bd7 13. g3 Qf6 14. Qe3 Qe7 15. Ng5 h6 16. Ne4 b6 17. Ba6 0-0 18. Rd6 f5 19. Rhd1 Rad8 20. Bb5 fxe4 21. Qd2 e3 22. fxe3 Bc8 0-1

[Event "Olympiad-13 Preliminaries A"]
[Site "Munich"]
[Date "1958.10.03"]
[Round "3"]
[White "Lokvenc, Josef"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "85"]
[EventDate "1958.10.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 e5 7. dxe5 Ng4 8. 0-0 Nc6 9. Na3 Ngxe5 10. Nxe5 Nxe5 11. Kh1 Qe7 12. e4 Nc6 13. Bxg7 Kxg7 14. Nc4 f5 15. exf5 Bxf5 16. Qd2 Rae8 17. Rae1 Qf6 18. c3 h5 19. h4 Bc8 20. Ne3 Ne7 21. Kg1 c6 22. c4 Nf5 23. Nxf5+ Bxf5 24. Rxe8 Rxe8 25. Rd1 Bg4 26. Re1 Re5 27. Re4 Rxe4 28. Bxe4 Qe5 29. Bg2 a5 30. Kh2 a4 31. bxa4 Be2 32. Qb4 Qe7 33. a5 Kh6 34. a3 Bg4 35. a6 bxa6 36. Qd2+ Kh7 37. Bxc6 Qe2 38. Qf4 Be6 39. Bd5 Bxd5 40. cxd5 Qa2 41. Qf7+ Kh6 42. Kg2 Qxa3 43. Qg8 1-0

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.19"]
[Round "7"]
[White "Roessel, Frits"]
[Black "Filipowicz, Andrzej"]
[Result "1-0"]
[ECO "E22"]
[PlyCount "75"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Poland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "POL"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 0-0 9. cxd5 exd5 10. Qxd5 Be6 11. Qb5 a6 12. Qd3 Na5 13. Be2 c5 14. 0-0 Bc4 15. Qc2 Bxe2 16. Qxe2 cxd4 17. Nd5 Qd6 18. Nxb4 Qxb4 19. Nxd4 Rfe8 20. Rfd1 Rac8 21. h3 Rc5 22. Qd2 Qb6 23. Rac1 Rcc8 24. Nf5 Rxc1 25. Rxc1 Nc6 26. Qc3 Re5 27. Nd6 Re7 28. Nc8 Qc7 29. Nxe7+ Qxe7 30. Rd1 Qg5 31. Qd3 g6 32. b3 Kh7 33. Qd5 Qf6 34. Qd7 b5 35. Qd6 Qc3 36. Qc7 Qf6 37. f4 Qe6 38. Rd7 1-0

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.17"]
[Round "6"]
[White "Soderborg, Berndt"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "58"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Bc4 Nc6 7. Qd1 Nde7 8. Bd2 Ng6 9. Qe2 Qc7 10. Bc3 a6 11. a4 b6 12. g3 Bb7 13. Rg1 Bb4 14. Bxb4 Nxb4 15. Na3 Rc8 16. c3 Bxf3 17. Qxf3 Nxe5 18. Qd1 Nxc4 19. cxb4 Nxb2 20. Qd4 Qc3+ 21. Qxc3 Rxc3 22. Ke2 Ke7 23. b5 a5 24. Nb1 Rc2+ 25. Ke3 Rhc8 26. Re1 R8c4 27. Na3 R4c3+ 28. Kd4 Rd3+ 29. Ke4 Rxf2 0-1

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.16"]
[Round "5"]
[White "Roessel, Frits"]
[Black "Kennedy, RC."]
[Result "1-0"]
[ECO "E66"]
[PlyCount "73"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. 0-0 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. cxb5 axb5 13. Bb2 Bf5 14. e4 Bd7 15. Nd1 e6 16. dxe6 fxe6 17. e5 dxe5 18. Bxe5 Rc8 19. Ne3 Nc6 20. Nf3 Nxe5 21. Nxe5 Be8 22. Rad1 Qc7 23. Nf3 Bc6 24. Ng5 Bxg2 25. Nxg2 Qc6 26. Nf4 Rfe8 27. a4 Nd5 28. axb5 Qxb5 29. Nfxe6 c4 30. bxc4 Rxc4 31. Qd3 Nb4 32. Qf3 Qf5 33. Qb7 Qf6 34. Rd7 Rxe6 35. Nxe6 Qxe6 36. Rxg7+ Kf8 37. Rxh7 1-0

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.15"]
[Round "4"]
[White "Pustina, Ylvi"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E66"]
[PlyCount "66"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Albania"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ALB"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. 0-0 a6 10. Nd2 Ng4 11. Qc2 Ne5 12. b3 b5 13. cxb5 axb5 14. Bb2 b4 15. Nce4 Ba6 16. Rae1 Qb6 17. Kh1 h6 18. f4 Ng4 19. Bxg7 Kxg7 20. f5 c4 21. bxc4 f6 22. c5 Rac8 23. Nb3 Nxb3 24. axb3 dxc5 25. Qd2 c4 26. bxc4 Rxc4 27. Rf4 Ne3 28. Rf3 Rxe4 29. Rf4 Rxf4 30. gxf4 Bb7 31. Bf3 Rd8 32. Rg1 Rxd5 33. Rxg6+ Kh7 0-1

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.12"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Olafsson, Fridrik"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "52"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Iceland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ISL"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 c5 5. e3 cxd4 6. exd4 0-0 7. c3 Nc6 8. Bd3 d6 9. 0-0 h6 10. Bh4 Nh5 11. Re1 Qc7 12. Nc4 f5 13. Ne3 e5 14. Bc4+ Kh7 15. Nd5 Qd7 16. dxe5 dxe5 17. Qe2 e4 18. Rad1 exf3 19. gxf3 Qd6 20. Nf6+ Rxf6 21. Rxd6 Rxd6 22. Rd1 Nf4 23. Qc2 Rxd1+ 24. Qxd1 Ne5 25. Bd5 Nxd5 26. Qxd5 Bd7 0-1

[Event "WchT Students 05th final B"]
[Site "Varna"]
[Date "1958.07.10"]
[Round "1"]
[White "Roessel, Frits"]
[Black "Mititelu, Gheorghe"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "42"]
[EventDate "1958.07.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Romania"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ROU"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 0-0 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4 11. Kg2 f6 12. Be3 Nxc3 13. bxc3 Qe8 14. Qxe8 Rxe8 15. Bf4 fxe5 16. Bxe5 Bd6 17. Rhe1 Bxe5 18. Nxe5 c5 19. Re2 Nd7 20. Rae1 Nxe5 21. Rxe5 Kf7 1/2-1/2

[Event "WchT Students 05th Group3"]
[Site "Varna"]
[Date "1958.07.08"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Momo, Suren"]
[Result "0-1"]
[ECO "E38"]
[PlyCount "82"]
[EventDate "1958.07.06"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "MGL"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. Qc2 c5 7. cxd5 exd5 8. dxc5 Re8 9. Be2 Nc6 10. 0-0 Bxc5 11. Rd1 Bd6 12. Nb5 Bb8 13. b3 a6 14. Nbd4 Nxd4 15. Rxd4 Bd7 16. Bb2 Ba7 17. Rdd1 Rc8 18. Qd2 Bc6 19. Bd4 Bb8 20. Qb2 Qd6 21. g3 Qe6 22. Rac1 Ng4 23. Bxg7 Nxf2 24. Kxf2 Qxe3+ 25. Kf1 Bd7 26. Rxc8 Bh3+ 27. Ke1 Bxc8 28. Rxd5 Qxf3 29. Rg5 Qh1+ 30. Kd2 Rd8+ 31. Bd4+ Kf8 32. Qa3+ Bd6 33. Bg7+ Ke8 34. Qa4+ b5 35. Bxb5+ axb5 36. Qxb5+ Bd7 37. Qe2+ Be7 38. Bd4 Bc6 39. Rg8+ Kd7 40. Qg4+ Kc7 41. Qf4+ Bd6 0-1

[Event "WchT Students 05th Group3"]
[Site "Varna"]
[Date "1958.07.07"]
[Round "2"]
[White "Filip, Miroslav"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "D94"]
[PlyCount "63"]
[EventDate "1958.07.06"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "BUL"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Czechoslovakia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "CSR"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. Be2 Bg7 6. 0-0 0-0 7. d4 Nbd7 8. cxd5 Nxd5 9. Qb3 N5b6 10. Rd1 Qc7 11. e4 e5 12. d5 cxd5 13. exd5 Nc5 14. Qa3 Na6 15. d6 Qc5 16. Qxc5 Nxc5 17. Be3 Nbd7 18. Rac1 b6 19. b4 Ne6 20. Nd5 Bb7 21. Nc7 Rac8 22. Nxe6 fxe6 23. Rc7 Rxc7 24. dxc7 Bc8 25. Ng5 Nf6 26. Bc4 Nd5 27. Nxe6 Bxe6 28. Bxd5 Bxd5 29. Rxd5 Bf6 30. Rd6 Be7 31. Rd7 Bf6 32. Bh6 1-0

[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.25"]
[Round "5"]
[White "Roessel, Frits"]
[Black "Johner, Hans"]
[Result "1-0"]
[ECO "D78"]
[PlyCount "81"]
[EventDate "1957.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SUI"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 c6 6. d4 d5 7. Qb3 dxc4 8. Qxc4 Nbd7 9. Qc2 Re8 10. Rd1 Qa5 11. Nbd2 Nf8 12. Ne5 N6d7 13. Ndc4 Qc7 14. Bf4 Nxe5 15. Nxe5 Qb6 16. Nc4 Qa6 17. a4 Be6 18. Ne5 Nd7 19. Nxd7 Bxd7 20. a5 Be6 21. Rdc1 Bxd4 22. e3 Bg7 23. Bf1 b5 24. Qxc6 Qxc6 25. Rxc6 a6 26. Bg2 Bxb2 27. Rb1 Bg7 28. Rb6 Ba2 29. Bxa8 Bxb1 30. Rxa6 b4 31. Bc6 Rc8 32. Rb6 Bd3 33. a6 Bxa6 34. Rxa6 b3 35. Rb6 e5 36. Bg5 h6 37. Be7 b2 38. Be4 Rc1+ 39. Kg2 f5 40. Bd5+ Kh7 41. Rxb2 1-0

[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.24"]
[Round "4"]
[White "Pfeiffer, Gerhard"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "65"]
[EventDate "1957.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 Nb6 8. Bb3 dxe5 9. Nxe5 Nxe5 10. dxe5 Qxd1+ 11. Bxd1 Bd7 12. Bf3 Nc4 13. Bxb7 Rb8 14. Ba6 Nxe5 15. 0-0 Rb6 16. Be2 e6 17. Nc3 Bc5 18. Rd1 f5 19. b3 Rd6 20. Rxd6 Bxd6 21. Be3 Bb8 22. Rd1 Bc8 23. Nb5 Ba6 24. Nd6+ Bxd6 25. Bxa6 Ke7 26. Bg5+ Kd7 27. Bb5+ Kc7 28. Rc1+ Kb6 29. Be2 Bc5 30. b4 Bxb4 31. Be3+ Ka5 32. f4 Nd7 33. Rc7 1-0

[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.23"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Szabados, Eugenio"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "73"]
[EventDate "1957.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Italy"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ITA"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 b6 9. Nc3 Ba6 10. b3 Rc8 11. Bb2 Ne8 12. Qd2 Nc7 13. Na3 Ne6 14. Rfd1 d6 15. Rac1 Bb7 16. Nd5 Bxb2 17. Qxb2 Ng7 18. b4 f5 19. c5 e6 20. Nf4 e5 21. Rxd6 exf4 22. Rxd8 Rfxd8 23. b5 Na5 24. c6 Ba8 25. gxf4 Ne6 26. Qe5 Nc7 27. Nb1 Kf7 28. h4 h5 29. Kh2 Kg8 30. Bf3 Kf7 31. e3 a6 32. a4 axb5 33. axb5 Nb3 34. Rg1 Nc5 35. Bxh5 Rg8 36. Qxf5+ Ke7 37. Rxg6 1-0

[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.22"]
[Round "2"]
[White "Lemoine, Claude"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E63"]
[PlyCount "136"]
[EventDate "1957.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 Rb8 8. h3 a6 9. a4 a5 10. e4 e5 11. dxe5 dxe5 12. Qxd8 Nxd8 13. Re1 Nd7 14. Be3 c6 15. Rad1 Ne6 16. Ng5 Nd4 17. Bxd4 exd4 18. Ne2 Nc5 19. Nxd4 Nxa4 20. b3 Nc5 21. e5 f6 22. exf6 Bxf6 23. Nge6 Bxe6 24. Nxe6 Nxb3 25. Nxf8 Rxf8 26. Re2 a4 27. Be4 a3 28. Bb1 Nd4 29. Re3 Ra8 30. Ba2 c5 31. Rb1 Nc2 32. Reb3 Bb2 33. R3xb2 axb2 34. Rxb2 Nb4 35. Bb1 Rd8 36. Be4 Rd4 37. Bxb7 Rxc4 38. Kf1 Rd4 39. Bf3 Kf7 40. Rb1 Rd2 41. Be2 Rc2 42. Ra1 Kf6 43. Ra7 Rc1+ 44. Kg2 Nc2 45. Bb5 Nd4 46. Bd3 Rc3 47. Bf1 h5 48. Ra8 Nc2 49. Rf8+ Ke7 50. Rc8 Ne1+ 51. Kg1 Nf3+ 52. Kg2 Ne5 53. Bb5 c4 54. f4 Rc2+ 55. Kf1 Nf3 56. Rc7+ Kd6 57. Rc6+ Kd5 58. Rc8 Nd4 59. Bxc4+ Rxc4 60. Ra8 Ke4 61. Ra3 Nc2 62. Rb3 Ne3+ 63. Ke1 Rc1+ 64. Kf2 Rc2+ 65. Kg1 Rg2+ 66. Kh1 Rxg3 67. Kh2 Nf1+ 68. Kh1 Rxb3 0-1

[Event "Clare Benedict Cup-04"]
[Site "Bern"]
[Date "1957.04.21"]
[Round "1"]
[White "Leinweber, Thaddaeus"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "100"]
[EventDate "1957.04.21"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c3 Nf6 5. Bf4 Nc6 6. Nf3 g6 7. Bd3 Bg7 8. h3 0-0 9. 0-0 Bd7 10. Nbd2 Rc8 11. Re1 Re8 12. Nb3 Na5 13. Ne5 Ba4 14. Qe2 Nd7 15. Bb5 Bxb5 16. Qxb5 Nxe5 17. dxe5 Nxb3 18. axb3 Qb6 19. Qxb6 axb6 20. Ra7 b5 21. Rxb7 Rb8 22. Rd7 Rbd8 23. Rxd8 Rxd8 24. Rd1 e6 25. c4 f6 26. Re1 dxc4 27. bxc4 bxc4 28. Re4 Rd1+ 29. Kh2 fxe5 30. Be3 Rb1 31. Rxc4 Rxb2 32. Rc7 Ra2 33. Rc4 h6 34. g4 Ra6 35. Kg2 Kh7 36. Rc7 g5 37. Kf3 Kg6 38. Ra7 Rxa7 39. Bxa7 Kf7 40. Ke4 Ke7 41. Bb8 Kf7 42. Bd6 Bf6 43. Bb4 Bg7 44. Bc3 Bf6 45. f3 Bg7 46. Be1 Bf6 47. Bg3 Ke7 48. Kd3 Kd6 49. Ke4 Ke7 50. Be1 Kd7 1/2-1/2

[Event "NED-ch18"]
[Site "Amsterdam"]
[Date "1957.04.13"]
[Round "11"]
[White "Roessel, Frits"]
[Black "Van den Berg, Carel"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "71"]
[EventDate "1957.03.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 0-0 5. b3 c5 6. Bb2 cxd4 7. Nxd4 Nc6 8. c4 Qa5+ 9. Bc3 Qc5 10. Nc2 d6 11. Ne3 Be6 12. 0-0 Rac8 13. a3 b5 14. b4 Qb6 15. cxb5 Qxb5 16. a4 Qb8 17. b5 Ne5 18. Bd4 Nc4 19. Nxc4 Rxc4 20. Na3 Rxd4 21. Qxd4 Nd7 22. Qb4 Bxa1 23. Rxa1 Rc8 24. h4 h5 25. a5 Qc7 26. Rb1 d5 27. b6 axb6 28. axb6 Qc5 29. Qxc5 Nxc5 30. Nb5 Rb8 31. Nc7 Na4 32. b7 Nc5 33. Nxd5 Rxb7 34. Rxb7 Nxb7 35. Nxe7+ Kf8 36. Nxg6+ 1-0

[Event "NED-ch18"]
[Site "Amsterdam"]
[Date "1957.04.08"]
[Round "8"]
[White "Donner, Jan Hein"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "87"]
[EventDate "1957.03.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. Nc3 Rb8 8. a3 Na5 9. Nd2 c5 10. d5 Bd7 11. b4 cxb4 12. axb4 Nxc4 13. Nxc4 Qc7 14. Qd3 Rfc8 15. Nxd6 exd6 16. Nb5 Bxb5 17. Qxb5 Ne4 18. Rxa7 Bd4 19. Be3 Bxa7 20. Bxa7 Ra8 21. Bxe4 Rxa7 22. Bd3 Rca8 23. Kg2 Kg7 24. h4 h5 25. Rb1 Ra2 26. Qc4 Qxc4 27. Bxc4 Ra1 28. Rb2 Rc8 29. Bd3 Kf6 30. f4 Rcc1 31. Rb3 Kg7 32. Kh3 Kh6 33. Kg2 f6 34. b5 b6 35. Kf3 f5 36. e4 fxe4+ 37. Kxe4 Ra4+ 38. Ke3 Rc5 39. Kf3 Rxd5 40. Be2 Kg7 41. Re3 Kf6 42. Rb3 Rc5 43. Bd3 d5 44. Ke3 0-1

[Event "NED-ch18"]
[Site "Amsterdam"]
[Date "1957.04.03"]
[Round "4"]
[White "Spanjaard, Eduard"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "65"]
[EventDate "1957.03.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nc6 7. Rb1 e5 8. b4 Ne8 9. b5 Ne7 10. Qb3 h6 11. Rd1 f5 12. Ne1 Kh8 13. d3 f4 14. gxf4 exf4 15. Bb2 Nf5 16. Nf3 g5 17. Nd5 g4 18. Bxg7+ Nexg7 19. Ne1 f3 20. exf3 Nd4 21. Qb2 Nxf3+ 22. Nxf3 gxf3 23. Bf1 c6 24. bxc6 bxc6 25. Nc3 Qh4 26. Ne4 Bh3 27. Kh1 Be6 28. Re1 Rf4 29. Nxd6 Rg8 30. Rxe6 Kh7 31. Re4 Ne6 32. Rxf4 Qg5 33. Rf7+ 1-0

[Event "NED-ch18"]
[Site "Amsterdam"]
[Date "1957.03.30"]
[Round "1"]
[White "Kramer, Haije J"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "128"]
[EventDate "1957.03.30"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Ne2 e5 8. Ng3 Be6 9. Be3 Qc7 10. Nh5 Nd7 11. Be2 Rg8 12. 0-0 Bd6 13. f4 0-0-0 14. dxe5 fxe5 15. Qa4 a6 16. c4 Bg4 17. Qc2 exf4 18. Bd4 Rg6 19. Rae1 Rdg8 20. Kh1 c5 21. Bxg4 Rxg4 22. Nf6 Nxf6 23. Bxf6 Qc6 24. Rf2 Kb8 25. h3 Rg3 26. Qe4 Qxe4 27. Rxe4 f3 28. Rxf3 Rxg2 29. Re8+ Rxe8 30. Kxg2 Re4 31. b3 Re2+ 32. Rf2 Rxf2+ 33. Kxf2 Kc8 34. Ke3 Kd7 35. Bb2 Ke6 36. Bc3 Kf5 37. Kf3 Be5 38. Ba5 Bf4 39. Bb6 Bd6 40. Ba5 Be5 41. Bb6 Bd6 42. Ba5 Kg5 43. a4 f6 44. Be1 f5 45. Bf2 a5 46. Be1 b6 47. Bc3 Bc7 48. Bb2 f4 49. Kg2 Kf5 50. Kf3 Be5 51. Bc1 Kg5 52. Bd2 Kh4 53. Kg2 f3+ 54. Kxf3 Kxh3 55. Bg5 Bc7 56. Bf6 Kh2 57. Ke4 Kg3 58. Kd5 Bf4 59. Bd8 h5 60. Ke4 Bd2 61. Kd3 Bb4 62. Ke2 h4 63. Kf1 h3 64. Kg1 Kf3 0-1

[Event "Match/Nation GER-NED"]
[Site "Dortmund"]
[Date "1957.??.??"]
[Round "2.8"]
[White "Roessel, Frits"]
[Black "Rellstab, Ludwig Sr"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "66"]
[EventDate "1957.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "German Fed Rep"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 g6 5. c4 c5 6. Nc3 Bg7 7. d4 cxd4 8. Qxd4 Nc6 9. Qh4 h6 10. Qf4 0-0 11. Nd5 Nh7 12. h4 f5 13. Rd1 e6 14. Nc3 e5 15. Qd2 e4 16. Ne1 Ne5 17. b3 Nf6 18. Ba3 Re8 19. Nb5 Nf7 20. Nc2 d5 21. cxd5 Nxd5 22. Rac1 a6 23. Nbd4 f4 24. Bh3 e3 25. Qe1 exf2+ 26. Qxf2 Ne3 27. Qxf4 Nxd1 28. Be6 Rxe6 29. Nxe6 Qd5 30. Qf3 Qxf3 31. exf3 Bxf3 32. Nxg7 Kxg7 33. Nd4 Bg4 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "8"]
[White "Bouwmeester, Hans"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B59"]
[PlyCount "22"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. f4 0-0 9. f5 Qb6 10. Bg5 Nxe4 11. Bxe7 Qf2# 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "7"]
[White "Bouwmeester, Hans"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "84"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde2 e6 7. g3 a6 8. Bg2 Qc7 9. 0-0 b5 10. a3 Bb7 11. h3 Be7 12. f4 b4 13. axb4 Nxb4 14. Be3 0-0 15. g4 d5 16. e5 Ne4 17. Bd4 Rfd8 18. Kh2 Bc5 19. Na4 Bxd4 20. Nxd4 g5 21. Qf3 Nd2 22. Qf2 Nxf1+ 23. Rxf1 Nc6 24. Nc3 Ne7 25. Kh1 gxf4 26. Qxf4 Ng6 27. Qf2 Rf8 28. Nce2 Qxe5 29. Ng3 Qf4 30. Bf3 Qg5 31. Nh5 Nh4 32. Bg2 e5 33. Nf6+ Kh8 34. Ne2 Rad8 35. Qb6 Ba8 36. Qxa6 Nxg2 37. Rf5 Qg6 38. Kxg2 d4+ 39. Kg3 Rg8 40. Rxe5 Rge8 41. Nf4 Rxe5 42. Nxg6+ fxg6 1-0

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "5"]
[White "Johannsson, Ingi Randver"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "A96"]
[PlyCount "61"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. 0-0 0-0 7. b3 Ne4 8. Bb2 Nd7 9. Nfd2 Nxd2 10. Nxd2 e5 11. dxe5 dxe5 12. Nf3 e4 13. Nd4 Nc5 14. Qc2 c6 15. Rad1 Qe8 16. b4 Ne6 17. f3 exf3 18. exf3 Qf7 19. c5 Nxd4 20. Bxd4 Be6 21. Rd2 Rfd8 22. Rff2 Bf6 23. Bxf6 Qxf6 24. Rxd8+ Rxd8 25. Rd2 Qa1+ 26. Bf1 Rxd2 27. Qxd2 h6 28. Kf2 Kf7 29. h4 Bd5 30. Be2 Kf6 31. Qf4 1/2-1/2

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "7"]
[White "Larsen, Bent"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "D76"]
[PlyCount "45"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. c4 Bg7 5. cxd5 Nxd5 6. d4 0-0 7. 0-0 Nb6 8. Nc3 Nc6 9. d5 Nb4 10. e4 f5 11. Qb3 Na6 12. Be3 Qe8 13. exf5 gxf5 14. Rfe1 e5 15. Rac1 e4 16. Ng5 Kh8 17. Nb5 Qe5 18. d6 cxd6 19. Nxa7 Rxa7 20. Bxb6 Nc5 21. Rxc5 dxc5 22. Bxa7 Qf6 23. Bxc5 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "5"]
[White "Matanovic, Aleksandar"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B29"]
[PlyCount "56"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. c4 Nc6 7. Qe4 Nde7 8. Bd2 Ng6 9. Nc3 a6 10. Na4 d5 11. exd6 Bxd6 12. c5 Bc7 13. Bc4 Nce5 14. Nxe5 Nxe5 15. Bc3 Nxc4 16. Qxc4 Qg5 17. 0-0 Bd7 18. f4 Qf5 19. Rf2 Bc6 20. Bxg7 Rg8 21. Be5 Bxe5 22. fxe5 Qh3 23. Qc2 Rd8 24. Nc3 Rd4 25. Rd1 Bxg2 26. Rxg2 Rxg2+ 27. Qxg2 Rg4 28. Qxg4 Qxg4+ 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "3"]
[White "Pedersen, Eigil"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "160"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. e5 Nd7 6. Bf4 e6 7. c4 d4 8. Nbd2 Qc7 9. Qa4 f5 10. 0-0 Be7 11. Rfe1 h6 12. h4 b6 13. a3 Bb7 14. h5 a5 15. Bf1 Nf8 16. Qd1 g5 17. hxg6 Nxg6 18. Bh2 0-0-0 19. a4 Rdg8 20. Nb1 Rh7 21. Na3 Na7 22. Nb5 Nxb5 23. axb5 Rhg7 24. g3 Ba8 25. Bg2 Nf4 26. Bh1 Nh3+ 27. Kf1 Qd7 28. Ke2 Qe8 29. Rf1 Qh5 30. Kd2 Kd7 31. Qe2 Qg4 32. Ne1 Bxh1 33. Rxh1 Qxe2+ 34. Kxe2 Ng5 35. Nf3 Bd8 36. Nd2 Nf7 37. f4 Rg4 38. Rag1 h5 39. Nf1 Nh8 40. Rg2 Rxf4 41. Bg1 h4 42. Bf2 Rfg4 43. Rgh2 h3 44. Rxh3 Nf7 45. Nh2 R4g7 46. Nf3 Bc7 47. Rh7 Nxe5 48. Ng5 Bd8 49. Nf3 Ng4 50. R1h5 Nf6 51. Rxg7+ Rxg7 52. Rh8 Bc7 53. Ra8 Rg8 54. Rxg8 Nxg8 55. Nh4 a4 56. Kf3 Nh6 57. Be1 Ng4 58. Bd2 Ne5+ 59. Ke2 Bd8 60. Bf4 Bf6 61. Ng2 Ng4 62. Bb8 Kc8 63. Bd6 Kd7 64. Bb8 Be5 65. Bxe5 Nxe5 66. Nf4 Ke7 67. Kf2 Kf7 68. Ke2 Ng4 69. Kd2 Ne3 70. Ke2 e5 71. Nh3 Kf6 72. Nf2 Ng4 73. Nh3 e4 74. Nf4 Ne3 75. Kd2 Ke5 76. Ke2 Kd6 77. Kd2 exd3 78. Kxd3 Ng4 79. Kc2 Ne5 80. b3 d3+ 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "9"]
[White "Roessel, Frits"]
[Black "Bertholdt, Dieter"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "59"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. d3 Bg7 4. e4 0-0 5. g3 c5 6. Bg2 Nc6 7. 0-0 d6 8. h3 Bd7 9. g4 Ne8 10. c3 f5 11. exf5 gxf5 12. Qb3+ e6 13. gxf5 Na5 14. Qd1 Rxf5 15. Nbd2 Rxf4 16. Ne4 Rf8 17. Bg5 Qb6 18. Qd2 Nc6 19. Ng3 Nf6 20. Kh1 Ne7 21. Rg1 Kh8 22. h4 Nf5 23. Nxf5 exf5 24. Rae1 Rae8 25. Bh6 Ng4 26. Bxg7+ Kxg7 27. d4 Qc7 28. Qf4 Re4 29. Qg5+ Kh8 30. Ref1 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "6"]
[White "Roessel, Frits"]
[Black "Enevoldsen, Jens"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "112"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 0-0 6. 0-0 d6 7. h3 Na5 8. Qe2 Nxc4 9. dxc4 c6 10. Ne1 Nd7 11. Nd3 a6 12. a4 Bf6 13. Nd1 Re8 14. Ne3 Nf8 15. c3 Be6 16. f4 exf4 17. Nxf4 Bg5 18. Nxe6 Bxe3+ 19. Bxe3 Rxe6 20. Rae1 Qe7 21. Qf3 Re8 22. Bf2 f6 23. Bg3 Nd7 24. b4 Ne5 25. Qe2 Nf7 26. Qd3 Ng5 27. Re2 Nxe4 28. Rfe1 f5 29. Qd4 Qf6 30. Re3 Qh6 31. Rf1 g6 32. Bh2 Qg7 33. Rfe1 Qf6 34. Qxf6 Rxf6 35. g4 Kf7 36. gxf5 gxf5 37. Kh1 Rg6 38. Bf4 Nf2+ 39. Kh2 Rxe3 40. Rxe3 Ne4 41. Rd3 Ke6 42. a5 Rg8 43. Rf3 c5 44. bxc5 Nxc5 45. Re3+ Ne4 46. c5 dxc5 47. c4 Rd8 48. Rb3 Rd7 49. Kg2 Rg7+ 50. Kf1 Rd7 51. Ke2 Ke7 52. Kf3 Nd6 53. Bxd6+ Kxd6 54. Kf4 Kc7 55. Kxf5 Rd4 56. Rc3 h5 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "4"]
[White "Roessel, Frits"]
[Black "Fuchs, Reinhart"]
[Result "0-1"]
[ECO "E75"]
[PlyCount "118"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 a6 8. Qd2 Qa5 9. a4 e6 10. Nf3 exd5 11. exd5 Bg4 12. 0-0 Nbd7 13. h3 Bxf3 14. Bxf3 Rfe8 15. Qf4 Qb6 16. Rab1 Re5 17. Qh4 Rae8 18. g4 h6 19. Bxh6 Bxh6 20. Qxh6 Qb4 21. g5 Nh7 22. Bg4 Qxc4 23. Bxd7 Rxg5+ 24. Kh1 Qf4 25. f3 Ree5 26. Bg4 Rxg4 27. Qxf4 Rxf4 28. Rbe1 Rxf3 29. Rxf3 Rxe1+ 30. Kg2 f5 31. Kf2 Re5 32. Re3 Nf6 33. Rxe5 dxe5 34. a5 Kf7 35. Na4 Nd7 36. Kg3 Ke7 37. Kh4 Kd6 38. Kg5 e4 39. Nc3 Ke5 40. Kxg6 f4 41. Kg5 Nf6 42. d6 e3 43. d7 Nxd7 44. Kg4 Nf6+ 45. Kf3 Nh7 46. h4 Nf8 47. Kg4 Nh7 48. Kf3 Nf6 49. Ne2 Nh5 50. b3 Kd5 51. Ng1 Kd4 52. Ne2+ Kd3 53. Ng1 Kd2 54. Ne2 Kc2 55. Ng1 Kxb3 56. Kg4 c4 57. Kxh5 f3 58. Nxf3 c3 59. Kg4 c2 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "6"]
[White "Roessel, Frits"]
[Black "Kramer, Haije J"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "84"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Bf4 Nc6 6. Nf3 d6 7. e3 Re8 8. a3 Bxc3+ 9. Qxc3 Qe7 10. h3 e5 11. dxe5 dxe5 12. Bh2 a5 13. b3 Ne4 14. Qb2 Nc5 15. Rd1 f6 16. Be2 Ra6 17. 0-0 Rb6 18. Nd2 Bf5 19. Rfe1 Bd3 20. Qc3 Bxe2 21. Rxe2 Rd8 22. Rb1 Rd3 23. Qc2 Qd7 24. Bg3 e4 25. Rb2 f5 26. Re1 Qe7 27. Reb1 Ne6 28. Rc1 Qc5 29. Ra1 Kf7 30. Kh1 Ra6 31. Qd1 g6 32. Qe2 Ra8 33. Nb1 Rad8 34. Rd2 Ne5 35. Rxd3 Rxd3 36. Qb2 Nd7 37. Nc3 Nf6 38. Rd1 Rxd1+ 39. Nxd1 Nh5 40. Bh4 g5 41. g4 fxg4 42. hxg4 gxh4 0-1

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "2"]
[White "Roessel, Frits"]
[Black "Nielsen, Axel"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "117"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. a4 a6 6. 0-0 d6 7. d4 Ba7 8. h3 Nf6 9. Re1 0-0 10. Na3 Bd7 11. Ba2 Rab8 12. Nc2 Rfe8 13. Bg5 Nd8 14. Ne3 c6 15. Bxf6 gxf6 16. Nh4 Kh8 17. Nef5 Bxf5 18. Nxf5 Qc7 19. Qh5 Rg8 20. d5 b5 21. Re2 cxd5 22. exd5 Nb7 23. Bb1 Rg5 24. Qh6 Rg6 25. Qh4 Qc4 26. Qxc4 bxc4 27. Ne3 Rg5 28. h4 Rg7 29. Nxc4 Rbg8 30. Ne3 Bxe3 31. fxe3 Rg4 32. b4 Rxh4 33. Bd3 Ra8 34. a5 Kg7 35. g3 Rg4 36. Kg2 e4 37. Bc4 f5 38. Rf1 Kg6 39. Rf4 h5 40. Ref2 Rg5 41. Bf1 f6 42. Kh2 Nd8 43. Bh3 Nf7 44. Bxf5+ Kg7 45. Rxe4 Ne5 46. Rd4 Kf7 47. c4 Ke7 48. c5 Rb8 49. c6 Kd8 50. Be6 Rg6 51. Rdf4 Kc7 52. Rxf6 Rxf6 53. Rxf6 Rxb4 54. Rh6 Ng4+ 55. Bxg4 hxg4 56. Rh7+ Kc8 57. Rh8+ Kc7 58. Rh7+ Kc8 59. Rd7 1-0

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "2"]
[White "Roessel, Frits"]
[Black "Orbaan, Constant"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "60"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be2 0-0 12. 0-0 Be6 13. b3 Qf6 14. Rb1 Rfd8 15. Bb2 d4 16. Qd2 Rd7 17. Rfd1 Rad8 18. Rbc1 Ne5 19. a4 Ng6 20. Bb5 Nh4 21. Bd3 Nxg2 22. Kxg2 Bd5+ 23. Kf1 Qf3 24. Bxh7+ Kh8 25. Bxd4 Qg2+ 26. Ke2 Re8+ 27. Kd3 Qf3+ 28. Be3 Bc6+ 29. Kc3 Rxd2 30. Rxd2 Kxh7 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "9"]
[White "Roessel, Frits"]
[Black "Pilnik, Hermann"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "50"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. b3 c5 7. Bb2 cxd4 8. Nxd4 Re8 9. Na3 e5 10. Nf3 Nc6 11. e3 e4 12. Nd4 Bg4 13. Nxc6 bxc6 14. Qd2 Qd7 15. c4 Bf3 16. cxd5 cxd5 17. Rfc1 Bxg2 18. Kxg2 Rad8 19. Rc5 d4 20. Bxd4 Nd5 21. Nc2 Re5 22. Qe2 Rh5 23. g4 Bxd4 24. Rxd5 Rxd5 25. Nxd4 h5 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "4"]
[White "Roessel, Frits"]
[Black "Stahlberg, Gideon"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "82"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. e3 c5 5. Nbd2 d5 6. c3 Nbd7 7. Bd3 0-0 8. 0-0 b6 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. f4 f5 13. Rf3 c4 14. Bc2 Nc5 15. Rh3 Bd7 16. Nf3 Be8 17. Nd4 Bg6 18. Qe2 a6 19. Kh1 b5 20. Rg1 Ne4 21. a3 Rac8 22. Qe1 Rc7 23. Rh4 Rb7 24. Bxe4 dxe4 25. g4 a5 26. Qg3 Rb6 27. Qh3 b4 28. axb4 axb4 29. gxf5 exf5 30. e6 Rxe6 31. Nxe6 Qxe6 32. Qf1 bxc3 33. bxc3 Rd8 34. Rh3 Rd7 35. Qe2 Qd5 36. Rhg3 Be8 37. Qb2 h6 38. Qb8 Re7 39. Qb4 Rb7 40. Qa3 Rd7 41. Rh3 Kh7 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "3"]
[White "Scafarelli, Francesco"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "150"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. b3 c5 5. Bb2 cxd4 6. Nxd4 d5 7. e3 0-0 8. Nc3 a6 9. Be2 dxc4 10. Bxc4 b5 11. Be2 e5 12. Nf3 Qe7 13. 0-0 Bb7 14. a4 Rd8 15. Ba3 Qe8 16. Qb1 Bc6 17. Bc5 Nbd7 18. axb5 axb5 19. Rxa8 Rxa8 20. Bb4 Nb6 21. e4 Nh5 22. Rd1 Nf4 23. Bf1 Ne6 24. Nd5 Bxd5 25. exd5 Nd4 26. Nxd4 exd4 27. Re1 Qd7 28. d6 Nd5 29. Bc5 b4 30. Qe4 Qc6 31. Bxd4 Bxd4 32. Qxd4 Rd8 33. Bc4 Rxd6 34. Bxd5 Rxd5 35. Qxb4 Rb5 36. Qc4 Rc5 37. Qf4 Rf5 38. Qe4 Qb6 39. Qa8+ Kg7 40. Qa1+ f6 41. Re7+ Kf8 42. Re3 Kf7 43. Qa4 Qd8 44. Qc4+ Kg7 45. Qb4 Rc5 46. Re1 Qc7 47. Qa3 h5 48. h4 Kh6 49. g3 Kg7 50. b4 Rb5 51. Qb2 Qd6 52. Re4 g5 53. hxg5 Rxg5 54. Qc3 Rd5 55. Qc7+ Kg6 56. Qe7 Rd1+ 57. Kh2 Qxe7 58. Rxe7 Rd4 59. Rb7 h4 60. gxh4 Rxh4+ 61. Kg3 Rc4 62. Kf3 Rc3+ 63. Ke4 Rb3 64. f4 Rb1 65. f5+ Kg5 66. b5 Rb4+ 67. Kd5 Kxf5 68. b6 Kf4 69. Kc5 Rb1 70. Rh7 Kg4 71. Rg7+ Kf4 72. b7 f5 73. Kc6 Ke3 74. Re7+ Kd4 75. Rf7 Ke4 1/2-1/2

[Event "Copenhagen"]
[Site "Copenhagen"]
[Date "1956.??.??"]
[Round "1"]
[White "Thorbergsson, Freysteinn"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "45"]
[EventDate "1956.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 Be7 6. Bg2 0-0 7. 0-0 d5 8. b3 Nbd7 9. Bb2 c5 10. Rc1 Rc8 11. e3 b5 12. Ne5 bxc4 13. bxc4 cxd4 14. exd4 Nxe5 15. dxe5 Nd7 16. Qa4 Nc5 17. Qc2 dxc4 18. Rfd1 c3 19. Bxc3 Bd3 20. Qb2 Be2 21. Re1 Nd3 22. Rxe2 Nxb2 23. Bxb2 0-1

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "8"]
[White "Toran Albero, Roman"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "23"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 e5 6. Nf3 0-0 7. 0-0 c6 8. Re1 Qb6 9. Na4 Qc7 10. Nc3 Qb6 11. Na4 Qc7 12. Nc3 1/2-1/2

[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1956.??.??"]
[Round "1"]
[White "Van Scheltinga, Theo D"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "E70"]
[PlyCount "80"]
[EventDate "1956.01.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Bd3 Bg7 7. Nge2 0-0 8. h3 a6 9. Be3 Ne8 10. g4 Nc7 11. a4 a5 12. Qd2 Nba6 13. Ng3 Nb4 14. Be2 Qe8 15. 0-0-0 Bd7 16. b3 f5 17. gxf5 gxf5 18. Nxf5 Bxf5 19. exf5 e4 20. Rhg1 Qe5 21. Bh6 Ne8 22. Bxg7 Nxg7 23. Rg4 Kh8 24. Rxe4 Qxf5 25. Bg4 Qxf2 26. Qxf2 Rxf2 27. Rd2 h5 28. Be2 Nf5 29. Bxh5 Rf1+ 30. Kb2 Rg8 31. Bg4 Nd4 32. Re7 Rgf8 33. Ne4 Re1 34. Rg2 Re3 35. Bd1 Nd3+ 36. Ka3 Rd8 37. Rgg7 Rxe4 38. Rh7+ Kg8 39. Rhg7+ Kh8 40. Rh7+ Kg8 1/2-1/2

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.21"]
[Round "7"]
[White "Mellberg, B."]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "79"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. d4 cxd5 7. c5 b6 8. b4 Bd7 9. Bxf4 a5 10. Nc3 axb4 11. Nb5 Na6 12. c6 Bxc6 13. Rc1 Bd7 14. Bc7 Qe7+ 15. Ne5 Ne4 16. Bd3 Qh4+ 17. g3 Qh6 18. 0-0 Qe3+ 19. Kh1 Bh3 20. Qh5 Be6 21. Nxf7 g6 22. Qe5 Nf2+ 23. Rxf2 Qxc1+ 24. Rf1 Qc6 25. Nbd6+ Ke7 26. Qf6+ Kd7 27. Bb5 Nxc7 28. Bxc6+ Kxc6 29. Rc1+ Kd7 30. Qxh8 Bxd6 31. Rxc7+ Bxc7 32. Qxa8 Bxf7 33. Qa4+ Kc8 34. Qxb4 Kb7 35. Qf8 Be6 36. Qg7 Bf5 37. Qxh7 b5 38. Qe7 Kb8 39. Qc5 Be4+ 40. Kg1 1-0

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.19"]
[Round "6"]
[White "Roessel, Frits"]
[Black "Persitz, Raaphi"]
[Result "1-0"]
[ECO "E10"]
[PlyCount "61"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 d6 7. e4 a6 8. Nbd2 h6 9. Bf4 Nh5 10. Be3 Qf6 11. Qc2 Be7 12. a4 bxa4 13. e5 dxe5 14. Ne4 Qf5 15. Bd3 0-0 16. d6 Bd8 17. Ng3 Nxg3 18. Bxf5 Ba5+ 19. Kd1 Bxf5 20. Qxc5 Nxh1 21. Qxa5 Nc6 22. Qxa4 Rac8 23. Ke1 Bd3 24. d7 Rc7 25. Bb6 Bb5 26. Bxc7 Bxa4 27. Rxa4 Nd8 28. Rxa6 Nb7 29. Ra7 e4 30. Rxb7 exf3 31. gxf3 1-0

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.18"]
[Round "5"]
[White "Scafarelli, Francesco"]
[Black "Roessel, Frits"]
[Result "1-0"]
[ECO "D69"]
[PlyCount "51"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f4 Qf6 16. e4 b5 17. e5 Qe7 18. Bd3 Bb7 19. Qh5 g6 20. Qh6 b4 21. f5 Rfe8 22. fxg6 hxg6 23. Rxf7 Qxf7 24. Bc4 Qxc4 25. Qxg6+ Kf8 26. Rf3+ 1-0

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.17"]
[Round "4"]
[White "Reichel, Ewald"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "C19"]
[PlyCount "123"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Nbc6 8. a4 Qa5 9. Qd2 Bd7 10. Be2 Nf5 11. Bb2 h5 12. dxc5 Qxc5 13. Ba3 Qa5 14. 0-0 Rc8 15. Bd3 Nce7 16. Qg5 Qd8 17. Nd4 Ng6 18. Qd2 a6 19. Nxf5 exf5 20. Rfe1 Rh6 21. e6 Bxe6 22. Bxf5 Nh4 23. Bxe6 fxe6 24. Rad1 Rg6 25. Qd3 Rxg2+ 26. Kh1 Rc6 27. Qh3 Rg6 28. Re4 Qg5 29. Rxh4 Rxc3 30. Bc1 Rxh3 31. Bxg5 Rc3 32. Rxh5 Rxc2 33. Be3 Ra2 34. Rh4 e5 35. Bb6 Rxb6 36. Rxd5 Rxf2 37. Rxe5+ Kf7 38. Kg1 Rbb2 39. Ree4 Rg2+ 40. Kf1 Rbf2+ 41. Ke1 Rb2 42. Kf1 Rbf2+ 43. Ke1 Rb2 44. Kf1 Rxh2 45. Rxh2 Rxh2 46. Rb4 Ra2 47. Rxb7+ Kg8 48. Rb4 Kh7 49. Kg1 g6 50. Rh4+ Kg7 51. Rb4 Kh6 52. Rc4 Kh5 53. Rc5+ g5 54. Ra5 Kg4 55. Rxa6 Kg3 56. Rf6 Rxa4 57. Rf1 g4 58. Rb1 Ra3 59. Rc1 Kh3 60. Rb1 g3 61. Rc1 Ra2 62. Rb1 1/2-1/2

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.16"]
[Round "3"]
[White "Roessel, Frits"]
[Black "Farre Mallofre, Miguel"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "63"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 c6 9. h3 Qc7 10. Be3 exd4 11. Nxd4 Nc5 12. Qc2 a5 13. Rad1 Nfd7 14. g4 a4 15. f4 Re8 16. Kh1 Qa5 17. Bg1 Nb6 18. b3 Qb4 19. Nde2 axb3 20. axb3 Nbd7 21. Rb1 Ra3 22. Na2 Qa5 23. Nac1 Nf6 24. Nc3 Nxg4 25. b4 Qa8 26. bxc5 Rxc3 27. Qd2 Nh6 28. f5 gxf5 29. Be3 f4 30. Bxf4 Bxh3 31. Bxh6 Bxg2+ 32. Qxg2 1-0

[Event "World U20-ch02 Final B"]
[Site "Copenhagen"]
[Date "1953.07.15"]
[Round "2"]
[White "Roessel, Frits"]
[Black "Siemms, Ross E"]
[Result "1/2-1/2"]
[ECO "E11"]
[PlyCount "58"]
[EventDate "1953.07.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Qe7 6. Nf3 0-0 7. 0-0 Bxd2 8. Qxd2 Ne4 9. Qc2 b6 10. Nfd2 d5 11. Nc3 Bb7 12. Rac1 Nc6 13. Nf3 Rad8 14. Rfd1 g5 15. Ne5 Nxe5 16. dxe5 Qc5 17. Nxe4 dxe4 18. Qc3 a5 19. a3 Ba6 20. Rxd8 Rxd8 21. b4 axb4 22. axb4 Qd4 23. Qxd4 Rxd4 24. b5 Bb7 25. e3 Rd8 26. Kf1 Kf7 27. Ke2 Ke7 28. Ra1 Ra8 29. Rxa8 Bxa8 1/2-1/2

[Event "World U20-ch02 Preliminaries B"]
[Site "Copenhagen"]
[Date "1953.07.12"]
[Round "9"]
[White "Heikkila, Heikki"]
[Black "Roessel, Frits"]
[Result "0-1"]
[ECO "E72"]
[PlyCount "38"]
[EventDate "1953.07.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 0-0 6. Bg2 c5 7. d5 e5 8. Nge2 Ne8 9. 0-0 f5 10. f4 Nd7 11. Kh1 a6 12. a4 Ndf6 13. Be3 Ng4 14. Bg1 exf4 15. gxf4 fxe4 16. Bxe4 Nef6 17. Bg2 Nh5 18. Qc1 Qe7 19. h3 Ne3 0-1

[Event "World U20-ch02 Preliminaries B"]
[Site "Copenhagen"]
[Date "1953.07.10"]
[Round "8"]
[White "Roessel, Frits"]
[Black "Farre Mallofre, Miguel"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "70"]
[EventDate "1953.07.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bf4 Nbd7 8. Qc2 c6 9. cxd5 exd5 10. Bd3 Re8 11. h3 Nf8 12. 0-0 Bd6 13. Bxd6 Qxd6 14. Rab1 b6 15. b4 Bb7 16. Rfc1 N8d7 17. Ne2 Ne4 18. Bxe4 dxe4 19. Nd2 f5 20. Ng3 Rf8 21. Nb3 Kh8 22. Qe2 Rae8 23. Nd2 Qe6 24. Qc4 g5 25. Qxe6 Rxe6 26. d5 Rd6 27. dxc6 Bxc6 28. Nc4 Rdf6 29. Rd1 Bb5 30. Nb2 Nb8 31. a4 Be8 32. Rbc1 Na6 33. Rc8 Bg6 34. Rc4 h5 35. Ne2 h4 1/2-1/2

[Event "World U20-ch02 Preliminaries B"]
[Site "Copenhagen"]
[Date "1953.07.09"]
[Round "7"]
[White "Petri, Bernd"]
[Black "Roessel, Frits"]
[Result "1/2-1/2"]
[ECO "C00"]
[PlyCount "104"]
[EventDate "1953.07.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Nge7 6. d4 Nf5 7. Bd3 g6 8. g4 Nh4 9. Be3 h5 10. g5 Nxf3+ 11. Qxf3 c4 12. Bc2 b5 13. Nd2 Qb6 14. Kf2 b4 15. Ba4 Ba6 16. Rhb1 Bb5 17. Bxb5 Qxb5 18. a3 bxc3 19. bxc3 Qa6 20. Ra2 Kd7 21. Qd1 Be7 22. Qc2 Rhb8 23. h3 Rxb1 24. Nxb1 Rb8 25. Bc1 Na5 26. Qa4+ Qb5 27. Qxb5+ Rxb5 28. Rb2 Kc6 29. Nd2 Rxb2 30. Bxb2 Kb5 31. Ke2 Ka4 32. Kd1 Bxa3 33. Kc2 Nc6 34. Nf3 Ne7 35. Nh4 a6 36. Ba1 Nc6 37. Bb2 Na5 38. f5 Be7 39. fxg6 fxg6 40. Nxg6 Bxg5 41. Nf8 Nc6 42. Nxe6 Bh6 43. Nc7 Ne7 44. Nxa6 Kb5 45. Nb4 Be3 46. Bc1 Bxd4 47. Nxd5 Nxd5 48. cxd4 Kc6 49. Bg5 Nc7 50. Kc3 Kd5 51. Be3 Nb5+ 52. Kb4 Nc7 1/2-1/2

[Event "World U20-ch02 Preliminaries B"]
[Site "Copenhagen"]
[Date "1953.07.08"]
[Round "6"]
[White "Roessel, Frits"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "59"]
[EventDate "1953.07.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 d6 6. Bg2 Nc6 7. d5 Na5 8. Qd3 e5 9. e4 b6 10. b4 Nb7 11. Rb1 h6 12. Nd2 Nh5 13. 0-0 f5 14. f3 f4 15. g4 Nf6 16. Nb3 a5 17. a3 a4 18. Na1 Nh7 19. Bd2 h5 20. h3 Bf6 21. Kf2 Kf7 22. Ke2 Bh4 23. Kd1 Bd7 24. Nc2 Rh8 25. Kc1 Ng5 26. Kb2 Rh6 27. Qe2 Qf6 28. Ne1 hxg4 29. hxg4 Rah8 30. Nd3 1/2-1/2

