[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.25"]
[Round "11"]
[White "Thomson, Derek R"]
[Black "Smith, David A"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "72"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 a6 7. f4 Nbd7 8. Qf3 Be7 9. 0-0-0 Qc7 10. g4 b5 11. Bg2 Bb7 12. a3 0-0-0 13. Rhe1 h6 14. Bh4 g5 15. fxg5 hxg5 16. Bf2 Ne5 17. Qg3 Nfxg4 18. Bg1 Nf6 19. Ndxb5 axb5 20. Nxb5 Qc4 21. Bf1 Nxe4 22. Rxe4 Qxe4 23. Rd4 Qf3 24. Qe1 Nc6 25. Be2 Qf6 26. Rc4 Kd7 27. Rc3 Qf4+ 28. Kb1 Bf6 29. Rb3 Rb8 30. Bf2 Qxh2 31. Bf3 Qe5 32. Qg1 Na5 33. Bd4 Nxb3 34. Bxe5 Nd2+ 35. Ka1 Nxf3 36. Qb6 Rh1+ 0-1

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.24"]
[Round "10"]
[White "Eldridge, JET"]
[Black "Thomson, Derek R"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "96"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. d3 d5 6. Bg2 c5 7. c3 Nc6 8. 0-0 h6 9. Nbd2 Be6 10. Ne1 Qd7 11. Nc2 Rad8 12. Qc1 Bh3 13. f4 e5 14. Nf3 Rfe8 15. fxe5 Nxe5 16. Qd2 Nh7 17. Rf2 Bxg2 18. Rxg2 Ng4 19. h3 Ne5 20. Kh2 Nxf3+ 21. exf3 Ng5 22. Rf1 Qxh3+ 23. Kg1 Qf5 24. f4 Nh7 25. g4 Qd7 26. Ne1 d4 27. c4 Re3 28. Nf3 Rde8 29. Qd1 Qd6 30. Bc1 R3e7 31. f5 g5 32. Rff2 Be5 33. Ba3 Bf4 34. Kf1 Nf6 35. Rc2 b6 36. Rce2 Be3 37. Bb2 Qf4 38. Ref2 Nxg4 39. Nxg5 Bxf2 40. Rxg4 Re1+ 41. Kg2 Qxg4+ 42. Qxg4 Rg1+ 43. Kxf2 Rxg4 44. Ne4 Rgxe4 45. dxe4 Rxe4 46. Kf3 Re1 47. Kf4 Rg1 48. b4 Rb1 0-1

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.23"]
[Round "9"]
[White "Thomson, Derek R"]
[Black "Wallis, Philip Norman"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "56"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb4 4. Qc2 Bb7 5. e4 Qh4 6. Bd3 f5 7. g3 Qh5 8. f3 Nc6 9. Nge2 Qxf3 10. Rf1 Qg2 11. Be3 Bxc3+ 12. Qxc3 fxe4 13. Rg1 Qf3 14. Bc2 Nf6 15. Rf1 Qh5 16. Nf4 Qa5 17. Bd2 Qxc3 18. Bxc3 0-0 19. 0-0-0 Rae8 20. Ng2 Ba6 21. Ne3 d5 22. Ba4 Bb7 23. b3 Rd8 24. Bxc6 Bxc6 25. Rf2 Bb7 26. b4 dxc4 27. Nxc4 Nd5 28. Rc2 Ba6 0-1

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.22"]
[Round "8"]
[White "Wade, Robert Graham"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "83"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 0-0 6. Nge2 c6 7. 0-0 a5 8. h3 Na6 9. Be3 Nd7 10. f4 Rb8 11. Qd2 b5 12. Rae1 Nb6 13. b3 b4 14. Nd1 c5 15. d5 c4 16. Bd4 f6 17. Qe3 Nd7 18. Nb2 c3 19. Nd3 Qc7 20. Rf2 Bb7 21. h4 Nac5 22. Bh3 Ba6 23. Ndc1 Bh6 24. g4 e5 25. dxe6 Nxe6 26. g5 Nxd4 27. Nxd4 Bg7 28. Ne6 Qb7 29. Nxf8 Rxf8 30. Be6+ Kh8 31. Bd5 Qc7 32. Rh2 Nb6 33. Be6 Re8 34. f5 d5 35. h5 fxg5 36. hxg6 Rxe6 37. Rxh7+ Kg8 38. fxe6 dxe4 39. e7 Bb5 40. Qxe4 Qg3+ 41. Kh1 Be5 42. Rf1 1-0

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.21"]
[Round "7"]
[White "Thomson, Derek R"]
[Black "Thomas, Andrew Rowland B"]
[Result "1/2-1/2"]
[ECO "D08"]
[PlyCount "86"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e4 Nc6 5. f4 g5 6. Nf3 Bg4 7. Qb3 gxf4 8. Bxf4 Nge7 9. Nbd2 Bg7 10. h3 Be6 11. Bg5 0-0 12. Qa3 Re8 13. 0-0-0 h6 14. Bh4 Nxe5 15. Nxe5 Bxe5 16. Nf3 Bg7 17. Kb1 Qd7 18. g4 Ng6 19. Bg3 Qc6 20. Qd3 Qa6 21. b3 c5 22. Qc2 Bd7 23. Bd3 b5 24. Rhe1 Ne5 25. Bxe5 Bxe5 26. Qd2 Bg7 27. Nh4 bxc4 28. Bxc4 Bb5 29. Bd5 Rab8 30. Nf5 Qf6 31. Qf4 d3 32. e5 Qg5 33. Bxf7+ Kxf7 34. Nd6+ Kg8 35. Qf7+ Kh7 36. Nxb5 Rxe5 37. Nd6 d2 38. Rxe5 Qxe5 39. Qf5+ Qxf5+ 40. gxf5 Bc3 41. Kc2 Be5 42. Nc4 Bf4 43. Kd3 Rd8+ 1/2-1/2

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.19"]
[Round "6"]
[White "Cafferty, Bernard"]
[Black "Thomson, Derek R"]
[Result "1/2-1/2"]
[ECO "A24"]
[PlyCount "44"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. Nf3 Bg7 4. 0-0 0-0 5. d3 d6 6. c4 e5 7. Nc3 c6 8. Rb1 Nbd7 9. b4 d5 10. b5 Re8 11. bxc6 bxc6 12. Qa4 Nb6 13. Qc2 h6 14. Na4 Nh7 15. cxd5 cxd5 16. Bd2 Bd7 17. Nxb6 axb6 18. Rfc1 Be6 19. Bb4 Ng5 20. Nxg5 hxg5 21. a3 Ra7 22. Qc6 Bf8 1/2-1/2

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.18"]
[Round "5"]
[White "Thomson, Derek R"]
[Black "Hawson, John B"]
[Result "1-0"]
[ECO "B75"]
[PlyCount "95"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Bc4 e5 9. Nde2 0-0 10. Qd2 Qc7 11. Bb3 Nc6 12. g4 Na5 13. h4 Nxb3 14. axb3 Be6 15. Nd5 Bxd5 16. exd5 Rac8 17. c4 Rfe8 18. Ng3 Nd7 19. h5 Nc5 20. Ra3 e4 21. Bxc5 Qxc5 22. fxe4 Bd4 23. Kf1 Be3 24. Qd3 Bf4 25. Ne2 Be5 26. Kg2 Bxb2 27. Ra2 Be5 28. Rd2 Re7 29. Ng1 Rce8 30. Nf3 Bf4 31. Re2 Qc8 32. Kf1 Qxg4 33. c5 dxc5 34. Rh4 Qd7 35. Rxf4 Qh3+ 36. Rg2 Qh1+ 37. Rg1 Qh3+ 38. Rg2 Qh1+ 39. Rg1 Qh3+ 40. Kf2 Qd7 41. hxg6 fxg6 42. e5 Rf8 43. Rxf8+ Kxf8 44. Qe4 Qb5 45. Ng5 Qxb3 46. Rf1 Ke8 47. e6 c4 48. Qe5 1-0

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.17"]
[Round "4"]
[White "Hindle, Owen M"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B46"]
[PlyCount "47"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 Nge7 8. Be2 Nxd4 9. Qxd4 Nc6 10. Qd2 Be7 11. 0-0 0-0 12. f4 b5 13. Rad1 Rb8 14. e5 f5 15. exf6 gxf6 16. f5 b4 17. Ne4 d5 18. Ng3 d4 19. Bh6 e5 20. Bc4+ Kh8 21. Nh5 Rg8 22. Bxg8 Kxg8 23. Qe2 Kh8 24. Bg7+ 1-0

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.16"]
[Round "3"]
[White "Thomson, Derek R"]
[Black "Howson, James B"]
[Result "1-0"]
[ECO "C75"]
[PlyCount "139"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nge7 7. d4 Ng6 8. d5 Nb8 9. c4 Be7 10. Nc3 0-0 11. Ne1 f5 12. Nd3 f4 13. f3 Nh4 14. b4 g5 15. Bxd7 Nxd7 16. g4 fxg3 17. hxg3 Ng6 18. Be3 b6 19. Qd2 Rf7 20. Kg2 Rg7 21. Kf2 Bf6 22. Rac1 Qe7 23. c5 h5 24. Na4 b5 25. cxd6 cxd6 26. Nb6 Nxb6 27. Bxb6 Qb7 28. Rc6 Qd7 29. Rh1 h4 30. g4 Ne7 31. Rc7 Qe8 32. Rhc1 Qg6 33. Kg2 Rf7 34. Be3 Raf8 35. Ne1 Qh6 36. Kh3 Ra8 37. R1c2 Rff8 38. Rd7 Rfd8 39. Rdc7 Ng6 40. R2c6 Ne7 41. Rb6 Qg7 42. Nd3 Kh8 43. Nc1 Kh7 44. Nb3 Kg6 45. Na5 Qf8 46. Nb7 Nc8 47. Rbc6 Re8 48. Rd7 Be7 49. Kg2 Qf6 50. Nc5 Rf8 51. Qe2 h3+ 52. Kh2 Qxf3 53. Qxf3 Rxf3 54. Rxe7 Nxe7 55. Rxd6+ Rf6 56. Rxf6+ Kxf6 57. Nd7+ Kg7 58. Nxe5 a5 59. bxa5 Rxa5 60. d6 b4 61. Kxh3 Rxa2 62. dxe7 Ra8 63. Bxg5 b3 64. Nc4 Kf7 65. Kg3 Rb8 66. Nb2 Rc8 67. Kf4 Rc2 68. Bf6 Rf2+ 69. Kg5 Rd2 70. Nc4 1-0

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.15"]
[Round "2"]
[White "Abrahams, Gerald"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "71"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bd3 Nf6 5. h3 c6 6. Be3 0-0 7. 0-0 Nbd7 8. Nbd2 Rb8 9. a4 Ne8 10. g4 Nc7 11. c3 Nf6 12. Nh2 a6 13. f4 b5 14. axb5 axb5 15. Qe1 Nd7 16. f5 e6 17. Qg3 Nb6 18. Ndf3 Nc4 19. Bg5 f6 20. Bc1 e5 21. b3 Nb6 22. g5 Ne8 23. gxf6 Nxf6 24. fxg6 Rb7 25. gxh7+ Kh8 26. dxe5 Nh5 27. Qg6 Nf4 28. Bxf4 Rxf4 29. Ng5 dxe5 30. Rxf4 exf4 31. Nf7+ Rxf7 32. Qxf7 Bd4+ 33. Kh1 Be3 34. Bf1 Qg5 35. Qe8+ Kxh7 36. Ra7+ 1-0

[Event "British CF-49 Championship"]
[Site "Whitby/Yorkshire"]
[Date "1962.08.14"]
[Round "1"]
[White "Thomson, Derek R"]
[Black "Footner, John Kenneth"]
[Result "0-1"]
[ECO "D80"]
[PlyCount "42"]
[EventDate "1962.08.14"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GBR"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. cxd5 Nxg5 6. h4 Ne4 7. Nxe4 Qxd5 8. Nc3 Qa5 9. e3 Bg7 10. h5 c5 11. hxg6 hxg6 12. Rxh8+ Bxh8 13. Qf3 cxd4 14. exd4 Nc6 15. Bc4 Bf5 16. Nge2 0-0-0 17. g4 Nxd4 18. Nxd4 Rxd4 19. gxf5 Rxc4 20. fxg6 Rxc3 21. bxc3 Qxc3+ 0-1

[Event "WchT Students 09th final B"]
[Site "Marianske Lazne"]
[Date "1962.07.15"]
[Round "3.2"]
[White "Thomson, Derek R"]
[Black "De Bruycker, Bernard"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "59"]
[EventDate "1962.07.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Scotland U26"]
[BlackTeam "Belgium U26"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. Qd2 h6 6. h3 g5 7. Bh2 Bf5 8. f3 Nfd7 9. e4 Bg6 10. Nge2 Nc6 11. Bg1 e5 12. d5 Ne7 13. g4 h5 14. Be3 hxg4 15. fxg4 Nf6 16. Ng3 Nh7 17. Be2 f6 18. 0-0-0 Qd7 19. Kb1 0-0-0 20. Bxa7 b6 21. c5 Kb7 22. cxb6 cxb6 23. Nb5 Nc8 24. Bxb6 Nxb6 25. Qb4 Bf8 26. a4 Rb8 27. Rc1 Be7 28. Rc6 Rhc8 29. Rhc1 Nf8 30. Rxb6+ 1-0

[Event "WchT Students 09th final B"]
[Site "Marianske Lazne"]
[Date "1962.07.14"]
[Round "2.2"]
[White "Jongsma, Alexander"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B48"]
[PlyCount "79"]
[EventDate "1962.07.13"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Netherlands U26"]
[BlackTeam "Scotland U26"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SCO"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. a3 b5 8. Nxc6 dxc6 9. f4 Bb7 10. Qf3 Nf6 11. Bd3 c5 12. f5 Bd6 13. fxe6 fxe6 14. Qh3 0-0 15. 0-0 Kh8 16. Bg5 Be5 17. Rad1 c4 18. Bxf6 gxf6 19. Be2 Rae8 20. Bg4 Rg8 21. Rd2 a5 22. Rfd1 Re7 23. Kh1 f5 24. exf5 Reg7 25. Bf3 b4 26. axb4 axb4 27. Ne4 exf5 28. Qxf5 Bc8 29. Qh5 Bxb2 30. Rd5 b3 31. Rc5 Qxc5 32. Qxc5 bxc2 33. Rf1 c1Q 34. Rxc1 Bxc1 35. Qxc4 Bb2 36. Nd6 Bd7 37. Nf7+ Rxf7 38. Qxf7 Rc8 39. Qxd7 Rc1+ 40. Bd1 1-0

[Event "WchT Students 09th Group1"]
[Site "Marianske Lazne"]
[Date "1962.07.10"]
[Round "3.2"]
[White "Thomson, Derek R"]
[Black "Rupin"]
[Result "0-1"]
[ECO "E59"]
[PlyCount "80"]
[EventDate "1962.07.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "CZE"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Scotland U26"]
[BlackTeam "Israel U26"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "ISR"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 0-0 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bb5 a6 12. Bxc6 Qxc6 13. Ne5 Qc7 14. a4 Re8 15. Ba3 b6 16. Qb3 Bd7 17. Nxd7 Nxd7 18. c4 e5 19. d5 Rab8 20. e4 Red8 21. Rab1 Nf6 22. Qc2 Ne8 23. Rfe1 Nd6 24. f4 f6 25. f5 Rdc8 26. Rec1 g6 27. g4 Kh8 28. Kf2 gxf5 29. gxf5 Rg8 30. Rg1 Rxg1 31. Rxg1 Rg8 32. Rg3 a5 33. Bc1 Qf7 34. Qe2 Rxg3 35. hxg3 Qe8 36. g4 Qxa4 37. g5 Qxc4 38. Qxc4 Nxc4 39. gxf6 Kg8 40. Bb2 Kf7 0-1

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.09.01"]
[Round "11"]
[White "Pfleger, Helmut"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "83"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 4. d3 g6 5. Be3 Bg7 6. g3 Bg4 7. Bg2 Qc8 8. 0-0 Bh3 9. Bxh3 Qxh3 10. d4 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Nf6 14. Rfe1 0-0 15. Nd5 Nxd5 16. exd5 Qd7 17. Re4 Rfe8 18. Rae1 e5 19. dxe6 fxe6 20. Qe3 Rac8 21. c3 Kf7 22. Qh6 Kg8 23. Qh3 Rc6 24. Rxe6 Rxe6 25. Qxe6+ Qxe6 26. Rxe6 Kf7 27. Re2 Ra6 28. a3 Rc6 29. f4 a5 30. Kf2 Rc4 31. Ke3 a4 32. Kd3 b5 33. Re4 Rc5 34. c4 bxc4+ 35. Rxc4 Rh5 36. h4 Rb5 37. Rb4 Rxb4 38. axb4 h5 39. Kc4 Ke6 40. b5 Kd7 41. Kb4 Kc7 42. Kxa4 1-0

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.31"]
[Round "10"]
[White "Thomson, Derek R"]
[Black "Vinje Gulbrandsen, Arne"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "77"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 c5 4. Bg2 Nc6 5. Nf3 Be7 6. d4 cxd4 7. Nxd4 a6 8. 0-0 Qc7 9. Nc2 Na5 10. b3 d5 11. Bd2 dxc4 12. b4 Nc6 13. b5 axb5 14. Nxb5 Qd7 15. Qb1 0-0 16. Bf4 e5 17. Rd1 Qf5 18. Be3 Ng4 19. h3 Nxe3 20. Nxe3 Qxb1 21. Rdxb1 Na5 22. Nd5 Bc5 23. Nbc7 Rb8 24. Rb5 b6 25. e3 Bd7 26. Rbb1 b5 27. Na6 Rbc8 28. Nac7 c3 29. Rc1 Ba3 30. Rxc3 Bb2 31. Ne7+ Kh8 32. Rd1 Bxc3 33. Nxc8 Bxc8 34. Nxb5 Bb4 35. Rb1 Be7 36. Nc7 Kg8 37. Rb5 Bd8 38. Nd5 Be6 39. Ne7+ 0-1

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.30"]
[Round "9"]
[White "Calvo Minguez, Ricardo"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "59"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[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. Bc4 e6 7. 0-0 Be7 8. Bb3 0-0 9. Be3 Na5 10. Qe2 b6 11. Rad1 Bb7 12. e5 Nxb3 13. axb3 Ne8 14. Qh5 Qc8 15. exd6 Bxd6 16. Rfe1 Nf6 17. Qh3 Rd8 18. Bg5 Bc5 19. Bxf6 gxf6 20. Qh4 Rxd4 21. Rxd4 Bxd4 22. Qxd4 e5 23. Qh4 Qc6 24. Ne4 Kg7 25. Re3 Rd8 26. h3 Rd1+ 27. Kh2 f5 28. Rg3+ Kf8 29. Nf6 Rd4 30. Nxh7+ 1-0

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.29"]
[Round "8"]
[White "Thomson, Derek R"]
[Black "Zuidema, Coen"]
[Result "0-1"]
[ECO "E39"]
[PlyCount "44"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 c5 6. dxc5 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. b4 Nce4 10. Qc2 a5 11. Rb1 axb4 12. axb4 d5 13. Nd2 Bd7 14. c5 Ba4 15. Qd3 e5 16. e3 b6 17. cxb6 Qxb6 18. f3 Rfc8 19. Ra1 Rc3 20. fxe4 Rxd3 21. Bxd3 Qxe3+ 22. Be2 Rc8 0-1

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.28"]
[Round "7"]
[White "Westerinen, Heikki MJ"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "31"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Be7 7. b3 0-0 8. Bd3 c5 9. 0-0 cxd4 10. exd4 h6 11. Re1 Re8 12. cxd5 exd5 13. Nb5 Rf8 14. Bf4 Ne8 15. Nc7 Bb4 16. Nxa8 1-0

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.26"]
[Round "6"]
[White "Thomson, Derek R"]
[Black "Gheorghiu, Florin"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "74"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[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. Bf4 0-0 5. Nf3 d6 6. Qd2 Nbd7 7. h3 a6 8. e4 c5 9. d5 Qa5 10. Bd3 b5 11. 0-0 bxc4 12. Bxc4 Qb4 13. Bd3 Nh5 14. Be3 Rb8 15. Rab1 Ne5 16. Nxe5 Bxe5 17. a3 Qa5 18. Be2 f5 19. Bxh5 f4 20. Bxc5 Qxc5 21. Bf3 Bd7 22. Rfc1 Qa5 23. Rc2 Rb3 24. Rbc1 Rfb8 25. Bg4 Bxg4 26. hxg4 Kf7 27. g5 Qd8 28. Kh1 h6 29. gxh6 Qh8 30. g3 Qxh6+ 31. Kg2 Rh8 32. Rg1 Qh3+ 33. Kf3 Kg7 34. Ke2 Qg4+ 35. Ke1 fxg3 36. f3 Qxf3 37. Rf1 Rh1 0-1

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.25"]
[Round "5"]
[White "Parma, Bruno"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "C72"]
[PlyCount "43"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 f6 7. d4 g6 8. d5 Nce7 9. Bxd7+ Qxd7 10. c4 Nh6 11. Nc3 Nf7 12. Ne1 f5 13. Nd3 f4 14. c5 Bg7 15. Qa4 g5 16. Qxd7+ Kxd7 17. Bd2 Bf6 18. Rac1 g4 19. Na4 b6 20. cxb6 c5 21. dxc6+ Nxc6 22. b7 1-0

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.24"]
[Round "4"]
[White "Thomson, Derek R"]
[Black "Nagy, Bela1111"]
[Result "1/2-1/2"]
[ECO "E35"]
[PlyCount "68"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 c6 10. Nf3 0-0 11. e3 Bf5 12. Rc1 Nd7 13. b4 Rac8 14. Bd3 Be4 15. Bxe4 dxe4 16. Nd2 Rce8 17. Qc2 Qg5 18. 0-0 f5 19. b5 cxb5 20. Qb3+ Kh8 21. Qxb5 Nf6 22. Nc4 a6 23. Qxb7 f4 24. exf4 Qxf4 25. Ne5 Rxe5 26. dxe5 Ng4 27. g3 Qf5 28. Rce1 Qh5 29. h4 Nxe5 30. Rxe4 Nf3+ 31. Kg2 Nd2 32. Re7 Nxf1 33. Kxf1 Qd1+ 34. Kg2 Qd2 1/2-1/2

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.23"]
[Round "3"]
[White "Kuindzhy, Alexander"]
[Black "Thomson, Derek R"]
[Result "0-1"]
[ECO "C34"]
[PlyCount "78"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. Qe2 g5 6. g4 Ng7 7. h4 Be7 8. d4 d6 9. hxg5 Bxg4 10. Qe4 Bf5 11. Qxf4 Bxc2 12. Nc3 d5 13. Bh3 Nc6 14. 0-0 Ne6 15. Qh2 Bg6 16. Bxe6 fxe6 17. Nh4 Bf7 18. Qf4 0-0 19. Qg4 Kh8 20. g6 Bxg6 21. Nxg6+ hxg6 22. Bh6 Rf5 23. Kg2 Qg8 24. Ne2 Rh5 25. Rh1 Qh7 26. Nf4 Rg8 27. Nxe6 Qxh6 28. Nf4 Nxd4 29. Rad1 c5 30. Nxd5 Rh4 31. Qg3 Ne2 32. Qf3 Qg5+ 33. Kf2 Rf8 34. Nf6 Bxf6 35. Kxe2 Qxe5+ 36. Kf1 Kg7 37. Rd7+ Be7 38. Qxf8+ Kxf8 39. Rxh4 Bxh4 0-1

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.22"]
[Round "2"]
[White "Thomson, Derek R"]
[Black "Kinnmark, Ove"]
[Result "1/2-1/2"]
[ECO "E54"]
[PlyCount "62"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Qe2 Bb7 11. Rd1 Nd5 12. Ne4 Nd7 13. Ng3 Bd6 14. Ne5 Rc8 15. Bd2 Bxe5 16. dxe5 Nxe5 17. Qxe5 Rxc4 18. Nh5 Rg4 19. f3 Rg6 20. Nf4 Rg5 21. Qe2 Nxf4 22. Bxf4 Rd5 23. Rac1 Qa8 24. Rc7 Rfd8 25. Rxd5 Rxd5 26. Qc4 b5 27. Qb4 e5 28. Qe7 Qf8 29. Bxe5 Qxe7 30. Rxe7 Bc6 31. Bc3 Bd7 1/2-1/2

[Event "World U20-ch06 Final A"]
[Site "The Hague"]
[Date "1961.08.21"]
[Round "1"]
[White "Thomson, Derek R"]
[Black "Larusson, Gudmundur"]
[Result "0-1"]
[ECO "E54"]
[PlyCount "50"]
[EventDate "1961.08.21"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 0-0 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 Qe7 9. Qe2 Bd7 10. a3 Ba5 11. e4 cxd4 12. e5 dxc3 13. exf6 Qxf6 14. b4 Bc7 15. Bg5 Qg6 16. b5 Qh5 17. Rac1 a6 18. a4 axb5 19. axb5 Rc8 20. g4 Qh3 21. Bh4 Qxg4+ 22. Kh1 Bxh2 23. Bd3 Bf4 24. Bxh7+ Kh8 25. Bd3 Rc5 0-1

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.19"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Thomson, Derek R"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "36"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 Nbd7 8. Bd3 0-0 9. Nf3 Re8 10. 0-0-0 Nf8 11. Bxf6 Bxf6 12. h3 Bd7 13. g4 c5 14. dxc5 Bxc3 15. Qxc3 Rc8 16. Kb1 b6 17. Qd4 bxc5 18. Qxd5 Qc7 1/2-1/2

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.18"]
[Round "6"]
[White "Thomson, Derek R"]
[Black "Rubinetti, Jorge Alberto"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "103"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[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. Bf4 0-0 5. Nf3 c5 6. d5 d6 7. e3 Na6 8. Be2 Nc7 9. h3 Rb8 10. a4 Nfe8 11. e4 a6 12. Qd2 Bd7 13. 0-0 b5 14. axb5 axb5 15. Bh6 bxc4 16. Bxg7 Kxg7 17. Bxc4 Rb4 18. Qe2 Qb8 19. b3 Bb5 20. Nd2 Nf6 21. f4 Qb7 22. Qf3 Ra8 23. e5 Nfe8 24. Rae1 Bxc4 25. bxc4 e6 26. g4 exd5 27. cxd5 Ra3 28. Re3 h6 29. f5 g5 30. f6+ Kg8 31. e6 Rf4 32. Qe2 fxe6 33. f7+ Kxf7 34. dxe6+ Kg7 35. Nc4 Ra7 36. Rb1 Qa6 37. Re4 Nxe6 38. Nb5 Rxe4 39. Qxe4 Re7 40. Nbxd6 Nf6 41. Qe5 Kg6 42. Rf1 Ng8 43. Qe4+ Kg7 44. Nf5+ Kh8 45. Qe5+ Ng7 46. Nxe7 Qxc4 47. Nf5 Qf7 48. Nxh6 Nxh6 49. Rxf7 Nxf7 50. Qf6 Kg8 51. Qe7 c4 52. Kf1 1-0

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.16"]
[Round "5"]
[White "Schmidt, Wlodzimierz"]
[Black "Thomson, Derek R"]
[Result "0-1"]
[ECO "B94"]
[PlyCount "71"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 Qa5 8. Qd2 e6 9. 0-0-0 b5 10. Bb3 Bb7 11. Rhe1 Nc5 12. Bxf6 gxf6 13. Qf4 Nxb3+ 14. axb3 Rg8 15. Qh4 Rg6 16. f4 Rc8 17. Re2 d5 18. exd5 Rxc3 19. bxc3 Qxc3 20. Rd3 Ba3+ 21. Kd1 Qa1+ 22. Kd2 Qc1+ 23. Kc3 Bxd5 24. Nf5 Qa1+ 25. Kd2 Bc1+ 26. Ke1 Ba3+ 27. Kd2 Bxg2 28. Qe1 Bb4+ 29. c3 Qa2+ 30. Ke3 Bc5+ 31. Nd4 Qxb3 32. Kf2 Qd5 33. Ree3 Kf8 34. Qd2 Bh3 35. Rxh3 Rg2+ 36. Ke3 0-1

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.15"]
[Round "4"]
[White "Thomson, Derek R"]
[Black "Jakobsen, Ole"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "72"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. Nh3 c6 7. 0-0 e5 8. Bd2 a5 9. a3 Na6 10. Rb1 h6 11. Qc1 Kh7 12. b4 axb4 13. axb4 Bd7 14. f4 Ng4 15. Nf2 Nxf2 16. Rxf2 f5 17. e4 Nc7 18. c5 dxc5 19. bxc5 Ne6 20. Ne2 Bc8 21. exf5 gxf5 22. fxe5 Qxd3 23. Nf4 Qd4 24. Nh5 Qxe5 25. Nxg7 Qxg7 26. Bc3 Qg6 27. Qe3 Ra4 28. Rd1 Qf7 29. Rd6 Rc4 30. Bh3 Ng5 31. Bg2 Re8 32. Qd2 Be6 33. h4 Ne4 34. Bxe4 Rxe4 35. Re2 Qg6 36. Be5 Rxe5 0-1

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.13"]
[Round "2"]
[White "Nagy, Bela1111"]
[Black "Thomson, Derek R"]
[Result "1-0"]
[ECO "E95"]
[PlyCount "57"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[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 0-0 5. Nf3 d6 6. Be2 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 exd4 10. Nxd4 Re8 11. Bf4 Nc5 12. f3 Nh5 13. Be3 Be5 14. Qd2 a5 15. g3 Bg7 16. Bg2 Nf6 17. Rad1 Nfd7 18. Nde2 Bf8 19. h3 Qc7 20. f4 Nf6 21. Bxc5 dxc5 22. e5 Nd7 23. Ne4 Kg7 24. N2c3 Nxe5 25. fxe5 Rxe5 26. Qf4 f5 27. Rf1 Be6 28. Ng5 Bd6 29. Rxd6 1-0

[Event "World U20-ch06 Preliminaries A"]
[Site "The Hague"]
[Date "1961.08.12"]
[Round "1"]
[White "Thomson, Derek R"]
[Black "Holaszek, Hans"]
[Result "1-0"]
[ECO "E61"]
[PlyCount "79"]
[EventDate "1961.08.12"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[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. Bf4 d6 5. Qd2 0-0 6. Nf3 Re8 7. Rd1 c6 8. e4 Bg4 9. Be2 Nbd7 10. 0-0 Bxf3 11. Bxf3 e5 12. dxe5 dxe5 13. Be3 Qe7 14. b4 Red8 15. Qc2 Ne8 16. Be2 Nc7 17. c5 Nf8 18. Bc4 Nfe6 19. Nd5 Qe8 20. Nxc7 Nxc7 21. f4 Ne6 22. f5 gxf5 23. Rxf5 Kh8 24. Rdf1 f6 25. Qf2 Qe7 26. Rh5 Nf8 27. Qg3 Qe8 28. Rh4 Rd7 29. Rxf6 Rd1+ 30. Kf2 Rd7 31. Rf5 Rad8 32. Ke2 a5 33. a3 axb4 34. axb4 Ra8 35. Bh6 Ng6 36. Bxg7+ Kxg7 37. Qg5 Qe7 38. Rf6 Qxf6 39. Rxh7+ Kxh7 40. Qxf6 1-0

