[Event "Toronto"]
[Site "Toronto"]
[Date "1971.03.??"]
[Round "6"]
[White "Berry, Jonathan"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "C69"]
[PlyCount "80"]
[EventDate "1971.03.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 Ne7 8. Nc3 Ng6 9. f4 c5 10. Nf3 Qxd1 11. Rxd1 Bg4 12. Kf2 Bd6 13. g3 0-0-0 14. Be3 Rhe8 15. Re1 b5 16. Nd2 Nf8 17. a4 b4 18. Ne2 Nd7 19. c3 Bh5 20. Rac1 b3 21. c4 Nb6 22. Rc3 Nxa4 23. Rxb3 Nb6 24. Ra3 Bf7 25. b3 Kb7 26. Rea1 Ra8 27. Nc3 Bf8 28. Ra5 Red8 29. h3 c6 30. Ke2 Rd4 31. Bxd4 cxd4 32. Nd1 Bb4 33. R5a2 a5 34. Nf2 a4 35. Nd3 Bc3 36. Rb1 axb3 37. Rxa8 Kxa8 38. Rxb3 Nxc4 39. Nb1 Nd6 40. Ra3+ Kb7 1/2-1/2

[Event "Toronto Ontario op"]
[Site "Toronto"]
[Date "1967.05.21"]
[Round "3"]
[White "Sarosy, Zoltan L"]
[Black "Grimshaw, David"]
[Result "0-1"]
[ECO "D87"]
[PlyCount "86"]
[EventDate "1967.05.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. d4 g6 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Bc4 0-0 9. Ne2 Nc6 10. 0-0 Qc7 11. Rc1 Rd8 12. Qd2 Ne5 13. Bb3 Ng4 14. Bf4 e5 15. Bg3 Qe7 16. d5 Bh6 17. f4 Nf6 18. Qe3 Nh5 19. Rce1 Nxg3 20. Qxg3 c4 21. Bc2 f6 22. Qh4 Bg7 23. fxe5 Qxe5 24. Nd4 Bd7 25. Rb1 Rab8 26. a4 b6 27. Qe1 Bf8 28. Qe2 Rbc8 29. Kh1 Re8 30. Qf3 Kg7 31. a5 Bc5 32. Rfd1 bxa5 33. Rb7 Rc7 34. Nc6 Qd6 35. Nxa5 Bb6 36. Rxc7 Bxc7 37. g3 Bxa5 38. Rb1 Bb6 39. Rf1 Qe5 40. Kg2 Qg5 41. Rd1 Bg4 42. Qf1 Bxd1 43. Qxd1 Qe3 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1967.02.08"]
[Round "6"]
[White "Grimshaw, David"]
[Black "Sarosy, Zoltan L"]
[Result "1-0"]
[ECO "E12"]
[PlyCount "99"]
[EventDate "1967.01.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 0-0 7. e4 d6 8. Be2 Nbd7 9. b4 e5 10. 0-0 a5 11. Bb2 Ne8 12. Nd2 g6 13. Nb3 axb4 14. axb4 f5 15. Rxa8 Bxa8 16. Qc2 fxe4 17. Bc1 c6 18. dxc6 Bxc6 19. Be3 Ndf6 20. b5 Bb7 21. Rd1 Qc7 22. Na4 Nd7 23. Bg4 Nef6 24. Be6+ Kh8 25. Nc3 Ra8 26. Bg5 Nf8 27. Bxf6+ Bxf6 28. Bd5 Be7 29. Qxe4 Ra3 30. Bxb7 Rxb3 31. Rd3 Ne6 32. Qc6 Qd8 33. g3 Nc5 34. Re3 Ne6 35. Nd5 Rb1+ 36. Kg2 Nd4 37. Qxb6 Qxb6 38. Nxb6 Bd8 39. Nc8 Nf5 40. Rd3 Bc7 41. Be4 Rb2 42. Bxf5 gxf5 43. Ra3 d5 44. Ra7 Bd8 45. Rd7 Ba5 46. Rxd5 e4 47. b6 Be1 48. Rb5 Rc2 49. b7 Bxf2 50. Kf1 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1967.02.05"]
[Round "5"]
[White "Grimshaw, David"]
[Black "Allan, Denis"]
[Result "1/2-1/2"]
[ECO "A54"]
[PlyCount "75"]
[EventDate "1967.01.22"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 e4 5. Nd2 Bf5 6. g4 Bxg4 7. Ndxe4 Nxe4 8. Nxe4 d5 9. Nc3 dxc4 10. Bg2 c6 11. h3 Bd7 12. Bf4 Be7 13. e3 0-0 14. Qe2 Bg5 15. Bg3 Bh4 16. Bf4 Be6 17. 0-0-0 Qa5 18. Be4 Rd8 19. Be5 g6 20. Rhg1 Kf8 21. Qf3 Nd7 22. Bd6+ Kg7 23. Qf4 Bf6 24. Bb1 Re8 25. h4 Nb6 26. h5 Qxh5 27. Rh1 Qg5 28. Qh2 h5 29. Rdg1 Qa5 30. d5 Bxc3 31. Qxh5 Bxb2+ 32. Kxb2 Na4+ 33. Kc1 Qc3+ 34. Bc2 Qa1+ 35. Kd2 Qc3+ 36. Kc1 Qa1+ 37. Kd2 Qc3+ 38. Kc1 1/2-1/2

[Event "US Open-66"]
[Site "San Juan"]
[Date "1965.07.??"]
[Round "?"]
[White "Colon Romero, Miguel"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "D71"]
[PlyCount "95"]
[EventDate "1965.07.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[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 d5 4. g3 Bg7 5. Bg2 dxc4 6. Qa4+ Nfd7 7. Qxc4 Nb6 8. Qb3 0-0 9. Nf3 a5 10. 0-0 a4 11. Qd1 a3 12. bxa3 Nc6 13. Nb5 Ra5 14. Rb1 Bf5 15. Bd2 Bxb1 16. Bxa5 Bxa2 17. Bxb6 cxb6 18. Qc2 Be6 19. e4 Bg4 20. d5 Bxf3 21. Bxf3 Nd4 22. Qd3 Nxb5 23. Qxb5 Qd6 24. a4 Bd4 25. Bg4 h5 26. Bh3 h4 27. Kg2 Kg7 28. Qd3 Bc5 29. f4 e5 30. f5 Rh8 31. f6+ Kg8 32. Qb5 Kh7 33. gxh4 Rg8 34. Qe2 Kh6 35. Qd2+ Kh7 36. Qg5 Bd4 37. Kh1 Qf8 38. h5 Qh6 39. hxg6+ Rxg6 40. Qxh6+ Kxh6 41. d6 Rg8 42. d7 Rd8 43. Bg4 Kg5 44. h3 Bc5 45. Rf5+ Kg6 46. Bh5+ Kh6 47. Bxf7 Rxd7 48. Rh5# 1-0

[Event "US Open-66"]
[Site "San Juan"]
[Date "1965.07.??"]
[Round "?"]
[White "Wachtel, Robert"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "41"]
[EventDate "1965.07.26"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. f4 Nxe4 5. Nf3 Nd6 6. Bd5 e4 7. Ne5 Be7 8. d3 exd3 9. 0-0 Nb4 10. f5 Bf6 11. Bf4 Nxd5 12. Nxd5 0-0 13. Ng4 Bd4+ 14. Kh1 f6 15. Qxd3 Be5 16. Bxe5 fxe5 17. f6 g6 18. Ne7+ Kf7 19. Qd5+ Ke8 20. Qxe5 Nf7 21. Qe2 1-0

[Event "Ontario op"]
[Site "Kingston"]
[Date "1965.05.24"]
[Round "6"]
[White "Sarosy, Zoltan L"]
[Black "Grimshaw, David"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "61"]
[EventDate "1965.05.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 Bb4 7. Qd3 0-0 8. Bd2 d5 9. Nxc6 bxc6 10. e5 Nd7 11. Qg3 f6 12. exf6 Qxf6 13. Be2 Ne5 14. 0-0 Bd6 15. cxd5 Nc4 16. Qd3 Nxd2 17. Qxd2 exd5 18. Nxd5 Qe5 19. f4 Qxd5 20. Qxd5+ cxd5 21. Bf3 Bb7 22. g3 Bc5+ 23. Kg2 Rad8 24. Rac1 Bb6 25. Rfd1 Ba8 26. b4 Rc8 27. a4 Rxc1 28. Rxc1 Rb8 29. a5 Bd8 30. b5 Bxa5 31. Rc5 0-1

[Event "Ontario op"]
[Site "Kingston"]
[Date "1965.??.??"]
[Round "?"]
[White "Day, Lawrence A"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "30"]
[EventDate "1965.05.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. e4 c6 3. Nc3 dxe4 4. Ng5 Nf6 5. Bc4 e6 6. 0-0 Qd4 7. Qe2 Nbd7 8. d3 exd3 9. Bxd3 Ne5 10. Rd1 Nxd3 11. Be3 Nf4 12. Qf3 Nh3+ 13. gxh3 Qe5 14. Rd8+ Ke7 15. Rad1 Nd7 1-0

[Event "Ontario op"]
[Site "Kingston"]
[Date "1965.??.??"]
[Round "?"]
[White "Grimshaw, David"]
[Black "Butler, W."]
[Result "1-0"]
[ECO "B08"]
[PlyCount "25"]
[EventDate "1965.05.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 0-0 6. Be3 c5 7. dxc5 Qa5 8. Nd2 Qb4 9. Rb1 a6 10. a3 Qa5 11. Nc4 Qc7 12. cxd6 exd6 13. Nb6 1-0

[Event "Ontario op"]
[Site "Toronto"]
[Date "1963.06.01"]
[Round "2"]
[White "Day, Lawrence A"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "E80"]
[PlyCount "83"]
[EventDate "1963.06.01"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. a4 0-0 8. g3 Nbd7 9. Qd2 e5 10. d5 cxd5 11. Nxd5 Nxd5 12. Qxd5 Nf6 13. Qd2 Be6 14. Rd1 Rc8 15. b3 Rc6 16. Qb4 Qc7 17. a5 Nd7 18. Ne2 f5 19. Nc3 Nc5 20. Nb5 axb5 21. cxb5 Na6 22. bxa6 bxa6 23. Bb6 Qc8 24. Bd3 fxe4 25. Bxe4 d5 26. Rxd5 Bxd5 27. Bxd5+ Kh8 28. Bxc6 Qxc6 29. 0-0 Rxf3 30. Bc5 Rxf1+ 31. Kxf1 Qh1+ 32. Bg1 Qf3+ 33. Bf2 h6 34. Qb6 Qd3+ 35. Kg2 Kh7 36. b4 e4 37. b5 axb5 38. a6 Qf3+ 39. Kg1 Qd1+ 40. Kg2 Qf3+ 41. Kg1 Qd1+ 42. Kg2 1/2-1/2

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "5"]
[White "Cayford, Richard Anthony"]
[Black "Grimshaw, David"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "58"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 d6 6. d4 Bb6 7. h3 Nf6 8. Re1 0-0 9. d5 Nb8 10. Nbd2 Nbd7 11. Nf1 Nh5 12. Bd3 Nf4 13. Be3 Qf6 14. Ng3 h5 15. Kh2 g6 16. Nh1 h4 17. Bc2 Qh8 18. Ng1 Nf6 19. Qd2 g5 20. c4 a5 21. b3 Qh6 22. a3 g4 23. Bxb6 gxh3 24. gxh3 cxb6 25. Bd1 Qg6 26. Bf3 Kh7 27. Ne2 Nxh3 28. Bg2 Ng4+ 29. Kxh3 Ne3+ 0-1

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "11"]
[White "Grimshaw, David"]
[Black "Danilov, George"]
[Result "1/2-1/2"]
[ECO "E59"]
[PlyCount "80"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Ba2 b6 12. Qe2 Bb7 13. Bb2 Rad8 14. e4 Na5 15. Bb1 Ne8 16. e5 g6 17. Be4 Qc8 18. Bxb7 Qxb7 19. Rad1 Kg7 20. Bc1 c4 21. Qe3 Qe7 22. Qh6+ Kg8 23. Rfe1 f6 24. exf6 Nxf6 25. Qh3 Rfe8 26. Ng5 e5 27. Nf3 e4 28. Ne5 Qd6 29. Ng4 Nxg4 30. Qxg4 Qd5 31. Bg5 Rd6 32. Qg3 Rde6 33. h4 Rf8 34. Qc7 Rf7 35. Qb8+ Kg7 36. Qg3 h6 37. Bf4 Nc6 38. Qe3 h5 39. Bg5 Ne7 40. Bxe7 Rfxe7 1/2-1/2

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "4"]
[White "Grimshaw, David"]
[Black "Fuster, Geza"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "81"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 Nc6 6. Bd3 Bxc3+ 7. bxc3 d6 8. e4 Qa5 9. Bd2 e5 10. d5 Ne7 11. 0-0 h6 12. Ne1 Ng6 13. Qe2 Qc7 14. g3 Bh3 15. Ng2 h5 16. Rfb1 h4 17. Ne3 hxg3 18. fxg3 Ne7 19. Rb2 0-0-0 20. Rab1 Rd7 21. Be1 Kb8 22. Rb5 Qd8 23. Qb2 Qc8 24. Bc2 Rc7 25. Ra5 b6 26. Rb5 Bd7 27. Rb3 Rb7 28. Qc1 Ba4 29. R3b2 Bxc2 30. Qxc2 Qh3 31. a4 Qh6 32. Nf5 Nxf5 33. exf5 Nd7 34. a5 Qh3 35. f6 gxf6 36. Qa4 Rc8 37. Qb5 Nf8 38. axb6 axb6 39. Qa6 Rcc7 40. Rxb6 Nd7 41. Rxb7+ 1-0

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "6"]
[White "Grimshaw, David"]
[Black "Joyner, Lionel"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "98"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[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. Be2 0-0 6. Nf3 c6 7. 0-0 Bg4 8. Be3 Nbd7 9. h3 Bxf3 10. Bxf3 e5 11. dxe5 dxe5 12. c5 Qe7 13. b4 Rfd8 14. Qb3 Nf8 15. Be2 Ne6 16. Bc4 Nd4 17. Qb2 Nh5 18. Ne2 Qh4 19. f3 Nf4 20. Kh2 h5 21. Nxf4 exf4 22. Qf2 Qg5 23. Bd2 Nxf3+ 24. gxf3 Qg3+ 25. Qxg3 fxg3+ 26. Kxg3 Bxa1 27. Bg5 Rd4 28. Bb3 Bb2 29. Bf6 Rd2 30. Bxb2 Rxb2 31. Rd1 a5 32. bxa5 Rxa5 33. Rd8+ Kg7 34. Rd7 Kh6 35. h4 f6 36. Rf7 Rxc5 37. Rxf6 b5 38. Rf7 Rc1 39. Rc7 Rg1+ 40. Kf4 Rh2 41. Rxc6 Rxh4+ 42. Ke3 Rh2 43. e5 h4 44. e6 Re1+ 45. Kf4 Rhe2 46. Rc8 Re5 47. Rf8 g5+ 48. Kg4 Rg1+ 49. Kh3 Re2 0-1

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "9"]
[White "Grimshaw, David"]
[Black "Suttles, Duncan"]
[Result "0-1"]
[ECO "E71"]
[PlyCount "76"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[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. h3 0-0 6. Be3 Nbd7 7. g4 c5 8. d5 Qa5 9. Qd2 a6 10. h4 Qb4 11. Qc2 Nxe4 12. Rc1 Nxc3 13. bxc3 Qa5 14. a4 Nb6 15. f3 Qxa4 16. Qd3 Nd7 17. h5 Ne5 18. Qe2 f5 19. hxg6 hxg6 20. Bh6 Bxh6 21. Rxh6 fxg4 22. f4 Rxf4 23. Qh2 Re4+ 24. Be2 Rxe2+ 25. Qxe2 Qxc4 26. Qh2 Qe4+ 27. Kf1 Qf5+ 28. Ke2 Qf6 29. Rf1 Nf3 30. Nxf3 gxf3+ 31. Kd2 Bg4 32. Rg1 f2 33. Rf1 Qg5+ 34. Kc2 Bh5 35. Qxf2 Qxh6 36. Qf7+ Kh8 37. Qxe7 g5 38. Rf6 Qh7+ 0-1

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "2"]
[White "Grimshaw, David"]
[Black "Vaitonis, Paul"]
[Result "1-0"]
[ECO "E92"]
[PlyCount "81"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[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. Be2 0-0 6. Nf3 e5 7. d5 c5 8. Bg5 h6 9. Bd2 Na6 10. a3 Bd7 11. Qc1 Kh7 12. h4 Ne8 13. h5 g5 14. Nh2 Rb8 15. Bg4 Nac7 16. f3 b5 17. b3 bxc4 18. bxc4 Nf6 19. Bxd7 Qxd7 20. g4 Qc8 21. Nf1 Ng8 22. Ne3 Ne7 23. Qc2 Qd7 24. Ke2 Rb6 25. Rhb1 Rfb8 26. Rxb6 Rxb6 27. Qa4 Qxa4 28. Nxa4 Rb7 29. Kd3 Kg8 30. Kc2 Kf8 31. Ba5 Ke8 32. Nxc5 dxc5 33. Bxc7 Rxc7 34. d6 Rb7 35. dxe7 Kxe7 36. Nf5+ Kf6 37. Rd1 Bf8 38. Rd8 Be7 39. Rh8 Ke6 40. Rxh6+ Bf6 41. Ne3 1-0

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "7"]
[White "Kalotay, Andrew"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "E06"]
[PlyCount "68"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. c4 c6 7. Qc2 b6 8. cxd5 cxd5 9. Nc3 Bb7 10. Bf4 Nc6 11. Rac1 Rc8 12. Rfd1 a6 13. Qb1 b5 14. h3 Na5 15. Ne5 Nc4 16. b3 Nxe5 17. Bxe5 Qa5 18. Rd3 Bb4 19. Bxf6 gxf6 20. Nd1 Ba3 21. Rc2 Rxc2 22. Qxc2 Rc8 23. Rc3 Rxc3 24. Nxc3 Qc7 25. Qd3 Bb4 26. Nd1 Qc1 27. Kh2 Qd2 28. Qxd2 Bxd2 29. e3 e5 30. Kg1 Kf8 31. Kf1 Ke7 32. Ke2 Ba5 33. Kd3 b4 34. e4 Kd6 1/2-1/2

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "3"]
[White "Macskasy, Elod"]
[Black "Grimshaw, David"]
[Result "0-1"]
[ECO "E20"]
[PlyCount "92"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 0-0 5. a3 Bxc3 6. Bxc3 Ne4 7. Qc2 f5 8. e3 b6 9. 0-0-0 Bb7 10. Be1 d5 11. f3 Nf6 12. Nh3 Qe7 13. Bd3 c5 14. dxc5 Nc6 15. Bg3 Qxc5 16. Kb1 Qe7 17. Qe2 Na5 18. Nf4 dxc4 19. Bxc4 Nxc4 20. Qxc4 Nd5 21. Qa4 Nxf4 22. Rd7 Qe8 23. Bxf4 Bc8 24. Rd4 e5 25. Qxe8 Rxe8 26. Bxe5 Rxe5 27. Rd8+ Kf7 28. Rc1 Rc5 29. Rcd1 Rc7 30. Rh8 Bb7 31. Rxh7 Re8 32. Rh5 Kg6 33. g4 fxg4 34. fxg4 Rce7 35. h4 Rxe3 36. Rd7 R3e7 37. Rd6+ Kf7 38. Rg5 Re6 39. Rd7+ R8e7 40. Rd8 Re5 41. Rxe5 Rxe5 42. Rd7+ Re7 43. Rd6 Re1+ 44. Kc2 Ke7 45. Rd4 Re4 46. Kc3 Ke6 0-1

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "10"]
[White "Patty, John"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "E25"]
[PlyCount "37"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. Qd3 cxd4 9. cxd4 b6 10. e4 Ba6 11. Qc2 Bxf1 12. Kxf1 Ne7 13. Ne2 0-0 14. Be3 Nbc6 15. Kf2 Rc8 16. Qd3 Na5 17. Rhc1 Qd7 18. Bd2 Nac6 19. Be3 1/2-1/2

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "8"]
[White "Siklos, Alex Sandor"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "73"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c3 Nbd7 7. Nbd2 c5 8. Re1 Qc7 9. e4 Rb8 10. a4 cxd4 11. cxd4 b6 12. b3 Bb7 13. Ba3 Rfc8 14. e5 dxe5 15. dxe5 Nd5 16. Nc4 Nc5 17. Rc1 Qd7 18. Ng5 Qf5 19. f4 Rd8 20. Bh3 Qd3 21. Bxc5 Qxd1 22. Rexd1 bxc5 23. Bg2 Ba8 24. Na5 h6 25. Nh3 Rbc8 26. Nf2 f6 27. Ng4 h5 28. exf6 exf6 29. Bxd5+ Rxd5 30. Rxd5 Bxd5 31. Ne3 Bf7 32. f5 Bh6 33. Kf2 Re8 34. Re1 gxf5 35. Nxf5 Rxe1 36. Nxh6+ Kg7 37. Nf5+ 1-0

[Event "CAN-ch"]
[Site "Brockville"]
[Date "1961.??.??"]
[Round "1"]
[White "Vranesic, Zvonko"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "47"]
[EventDate "1961.08.27"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. d3 d6 3. Nc3 Nc6 4. g3 Be6 5. Bg2 Qd7 6. e3 g6 7. Rb1 Nge7 8. Nd5 Bxd5 9. cxd5 Nb4 10. e4 Qb5 11. Bf1 Qc5 12. Qa4+ c6 13. Bd2 Qc2 14. Qxb4 Qxb1+ 15. Ke2 0-0-0 16. Qb3 cxd5 17. Nf3 f5 18. Bg2 Qxh1 19. Bxh1 fxe4 20. dxe4 h6 21. exd5 Kb8 22. Nxe5 Re8 23. Kf1 Bg7 24. Nf7 1-0

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.08.07"]
[Round "9"]
[White "Grimshaw, David"]
[Black "Hoen, Ragnar Harald"]
[Result "1/2-1/2"]
[ECO "E87"]
[PlyCount "51"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 f5 9. exf5 gxf5 10. 0-0-0 a5 11. Bd3 Na6 12. Nge2 Kh8 13. Rdg1 Nf6 14. g3 Qe7 15. h3 Bd7 16. g4 e4 17. fxe4 Nxe4 18. Bxe4 fxe4 19. Nf4 Nc5 20. h4 a4 21. h5 a3 22. b4 Nd3+ 23. Nxd3 exd3 24. h6 Be5 25. Bg5 Qxg5 26. Qxg5 1/2-1/2

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.08.06"]
[Round "8"]
[White "Halen, Hans Ove"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "C75"]
[PlyCount "50"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 7. Bb3 h6 8. 0-0 Ng6 9. Nbd2 Be7 10. Nc4 Bg5 11. Ne3 Bxe3 12. Bxe3 0-0 13. Nd2 Qf6 14. dxe5 dxe5 15. Qf3 Nf4 16. g3 Nh3+ 17. Kh1 Qg6 18. Qg2 Ng5 19. Bxg5 hxg5 20. g4 Be6 21. Rad1 Rad8 22. Rfe1 Rd6 23. Bd5 Rfd8 24. Nc4 R6d7 25. Ne3 Ne7 1/2-1/2

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.08.04"]
[Round "7"]
[White "Grimshaw, David"]
[Black "Weinwurm, Wolfgang"]
[Result "0-1"]
[ECO "D97"]
[PlyCount "52"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Na6 8. Be2 c5 9. d5 e6 10. 0-0 exd5 11. exd5 Bf5 12. Be3 Re8 13. Nh4 Bd7 14. Rac1 b5 15. Qd3 c4 16. Qd1 Ne4 17. Nf3 Nac5 18. Nd4 Qa5 19. Nxe4 Nxe4 20. Qc2 Rac8 21. b3 cxb3 22. Qxb3 Nd2 23. Bxd2 Qxd2 24. Rxc8 Rxc8 25. Bxb5 Bxd4 26. Bxd7 Qxf2+ 0-1

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.08.03"]
[Round "6"]
[White "Wostyn, Hendrik"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "C76"]
[PlyCount "43"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. 0-0 Bg7 8. dxe5 dxe5 9. Bg5 Nge7 10. Qd3 h6 11. Be3 b6 12. Rd1 Be6 13. Qxd8+ Rxd8 14. Rxd8+ Kxd8 15. Bb3 Bxb3 16. axb3 a5 17. Ne1 Kc8 18. Kf1 Kb7 19. Ke2 Nd8 20. Nd3 Ne6 21. f3 Nc6 22. Nd2 1/2-1/2

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.08.02"]
[Round "5"]
[White "Grimshaw, David"]
[Black "Anguera Maestro, Jaime"]
[Result "1-0"]
[ECO "E37"]
[PlyCount "81"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 Qxd5 10. Be3 f5 11. Rd1 Qe5 12. Nf3 Qc7 13. Nd2 Nxd2 14. Bxd2 0-0 15. e3 e5 16. Bc4+ Kh8 17. 0-0 f4 18. exf4 exf4 19. Bc3 f3 20. g3 Bf5 21. Qd2 Rae8 22. Rfe1 Qc8 23. Qg5 Bg6 24. Qh6 Qc7 25. Be6 Re7 26. Bxg7+ Rxg7 27. Rd7 Qxd7 28. Bxd7 Rd8 29. Bxc6 bxc6 30. h3 Rgd7 31. Re3 Rf7 32. g4 Kg8 33. Re6 Rfd7 34. Rd6 Rxd6 35. cxd6 Rxd6 36. Qe3 Rd1+ 37. Kh2 Rd3 38. Qxa7 Rd2 39. b4 Be4 40. Qb8+ Kg7 41. Qe5+ 1-0

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.31"]
[Round "4"]
[White "Hohler, Peter"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "34"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nbd7 6. c3 Be7 7. Bg5 0-0 8. Nbd2 h6 9. Bxf6 Bxf6 10. dxc5 Nxc5 11. Qc2 Bd7 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bc6 15. Qe3 Qc7 16. Nd4 Bxg2 17. Kxg2 Bxd4 1/2-1/2

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.30"]
[Round "3"]
[White "Grimshaw, David"]
[Black "Saren, Ilkka J"]
[Result "1-0"]
[ECO "E37"]
[PlyCount "95"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. cxd5 exd5 10. Nf3 Qa5+ 11. Bd2 Qxc5 12. Qxc5 Nxc5 13. b4 Nb3 14. Rb1 Nxd2 15. Kxd2 Be6 16. e3 0-0 17. Bb5 Ne7 18. Rhc1 Rac8 19. Nd4 Rfd8 20. Rxc8 Nxc8 21. Rc1 Nd6 22. Rc7 Bc8 23. a4 a6 24. Bd3 Ne8 25. Rc1 Bd7 26. a5 Rc8 27. Rxc8 Bxc8 28. Nb3 Kf8 29. Kc3 Ke7 30. Nc5 h6 31. f4 Kd6 32. Kd4 Nf6 33. Be2 Ng8 34. Bh5 g6 35. Bd1 Ne7 36. Ba4 Nf5+ 37. Kd3 Ng7 38. Bb3 Ne6 39. Nxe6 Bxe6 40. Kd4 f6 41. Bd1 Bd7 42. Bf3 Bc6 43. g3 f5 44. Bg2 g5 45. fxg5 hxg5 46. h4 g4 47. h5 Ke6 48. h6 1-0

[Event "World U20-ch05 Final B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.27"]
[Round "1"]
[White "Primavera, Roberto"]
[Black "Grimshaw, David"]
[Result "0-1"]
[ECO "C53"]
[PlyCount "62"]
[EventDate "1959.07.27"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 Bb6 6. d4 d6 7. a4 a6 8. a5 Ba7 9. Be3 Nf6 10. dxe5 dxe5 11. Bxa7 Rxa7 12. Qe2 0-0 13. h3 Nh5 14. Qe3 Nf4 15. Bd5 Ra8 16. Bxc6 bxc6 17. Na3 g5 18. Kh2 f6 19. Ng1 Qe6 20. Ne2 Kh8 21. Nxf4 gxf4 22. Qe2 Rg8 23. Rg1 Bd7 24. Qc4 Qe8 25. Rad1 Be6 26. Qe2 Rg5 27. f3 Rg3 28. Qf1 Qh5 29. Rh1 Rag8 30. Rd2 Qh4 31. Nc2 Rxh3+ 0-1

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.26"]
[Round "9"]
[White "Halen, Hans Ove"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "C73"]
[PlyCount "37"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. h3 g6 8. c4 Bg7 9. Nc3 exd4 10. Nxd4 c5 11. Nde2 Ne7 12. 0-0 Be6 13. b3 0-0 14. Bb2 f5 15. Qd2 Bd7 16. Rad1 Nc6 17. exf5 Be8 18. Nd5 Bxb2 19. Qxb2 1/2-1/2

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.25"]
[Round "8"]
[White "Grimshaw, David"]
[Black "Kuijpers, Frans"]
[Result "0-1"]
[ECO "E33"]
[PlyCount "76"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 0-0 7. a3 Bxc3 8. Bxc3 Qe7 9. b4 e5 10. dxe5 Nxe5 11. e3 a5 12. Nxe5 dxe5 13. Be2 axb4 14. Bxb4 c5 15. Bc3 Ra6 16. 0-0 Ne8 17. f4 exf4 18. exf4 Rh6 19. Bd3 Nf6 20. Rae1 Qd6 21. Be5 Qa6 22. f5 Nd7 23. Bf4 Rb6 24. Bc1 f6 25. Bb2 Rd6 26. Rf3 Nb8 27. Qe2 Nc6 28. Rh3 Qa5 29. Kf1 Qd8 30. Qh5 h6 31. Be4 Ne7 32. Bc1 Qe8 33. Qg4 Rd4 34. Bxh6 Qf7 35. Bf4 Qxc4+ 36. Kg1 Rxe4 37. Rxe4 Qxe4 38. Re3 Qxf5 0-1

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.24"]
[Round "7"]
[White "Clemens, Christian"]
[Black "Grimshaw, David"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "33"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. f4 Nc6 6. Nf3 Be6 7. Nd5 Nb4 8. Nxf6+ Qxf6 9. f5 h6 10. fxe6 fxe6 11. c3 Nc6 12. Qb3 Kd7 13. Bd2 Rab8 14. a4 g5 15. h3 Rhf8 16. a5 a6 17. Qa4 1-0

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.23"]
[Round "6"]
[White "Grimshaw, David"]
[Black "Phillips, James"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "90"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d3 Be7 6. f4 0-0 7. e3 c6 8. Nge2 Be6 9. 0-0 Qc7 10. h3 g6 11. b3 Nbd7 12. Ba3 Rfe8 13. d4 Bf7 14. Kh2 exf4 15. exf4 Bf8 16. Qd2 Re7 17. Rae1 Rae8 18. Nc1 Qa5 19. Rxe7 Bxe7 20. Bb2 d5 21. c5 Qc7 22. b4 Ne4 23. Qc2 Ndf6 24. Nd3 Nxc3 25. Bxc3 Ne4 26. Ne5 Bf6 27. a3 Kg7 28. Bb2 Ra8 29. Ra1 Be6 30. Qd3 a6 31. Bc1 h5 32. h4 Nf2 33. Qd2 Ng4+ 34. Nxg4 fxg4 35. Bb2 Re8 36. Re1 Qd7 37. Bc3 Bf5 38. Rxe8 Qxe8 39. Qe1 Qxe1 40. Bxe1 Bxd4 41. a4 Bc2 42. a5 Bd3 43. Bd2 Kf6 44. Bh1 Kf5 45. Bg2 Be4 0-1

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.22"]
[Round "5"]
[White "Biever, Roger"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "C72"]
[PlyCount "47"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 g6 7. d3 Bg7 8. Re1 Nge7 9. Nbd2 0-0 10. h3 h6 11. Nf1 f5 12. exf5 Rxf5 13. Ng3 Rf8 14. Bb3+ Kh7 15. Ne4 Qe8 16. Be3 b6 17. c4 Nf5 18. Qd2 Kh8 19. Ng3 Nxg3 20. fxg3 Kh7 21. Rab1 Qd8 22. Rf1 Na5 23. Bc2 Qe7 24. Nh4 1/2-1/2

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.21"]
[Round "4"]
[White "Grimshaw, David"]
[Black "Maalouf, Carlos"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "107"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Be6 7. Bd3 Nbd7 8. Nf3 c6 9. 0-0 Bd6 10. Rb1 0-0 11. Qc2 h6 12. Bh4 Qc7 13. Rfc1 Rfc8 14. Bg3 Bxg3 15. hxg3 Qd8 16. Na4 Qe7 17. Nc5 Nxc5 18. Qxc5 Qxc5 19. dxc5 Re8 20. Nd4 g6 21. b4 Re7 22. Rb3 Rc8 23. Ra3 a6 24. Kf1 Rcc7 25. Rb3 Kg7 26. Ke1 Ng8 27. Kd2 Red7 28. Rb2 Ne7 29. Rh1 Nc8 30. Rc1 Re7 31. Be2 h5 32. Bd3 Kf6 33. Re1 Kg7 34. Rc1 Kf6 35. Re1 Na7 36. Rc2 Re8 37. Rb1 Bf5 38. Nxf5 gxf5 39. Rh1 Rh8 40. a4 Ke6 41. Be2 Kf6 42. Rxh5 Rxh5 43. Bxh5 Kg5 44. Bf3 f6 45. Kc3 Rh7 46. Rc1 Nc8 47. Ra1 Na7 48. Rd1 Kg6 49. g4 Rh2 50. gxf5+ Kxf5 51. Rd4 Ke5 52. Rg4 Rh7 53. Rg8 Rc7 54. Bg4 1-0

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.19"]
[Round "2"]
[White "Primavera, Roberto"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "E34"]
[PlyCount "28"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Qc2 Nc6 7. Nf3 Bd7 8. 0-0 h6 9. Bd2 a6 10. Rac1 Ne7 11. Nxd5 Nexd5 12. cxd5 Bxd2 13. Qxd2 exd5 14. Qb4 Rb8 1/2-1/2

[Event "World U20-ch05 Preliminaries B"]
[Site "Muenchenstein/Basel"]
[Date "1959.07.18"]
[Round "1"]
[White "Grimshaw, David"]
[Black "Tomson, Alexander"]
[Result "1/2-1/2"]
[ECO "E70"]
[PlyCount "28"]
[EventDate "1959.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 c5 6. dxc5 b6 7. Be3 bxc5 8. Bxc5 Nc6 9. Qd2 Rb8 10. Rc1 d6 11. Be3 Nd7 12. Nge2 Nc5 13. b3 Nb4 14. Nd4 a5 1/2-1/2

[Event "CAN-op"]
[Site "Montreal"]
[Date "1956.??.??"]
[Round "9"]
[White "Grimshaw, David"]
[Black "Fox, Maurice"]
[Result "1-0"]
[ECO "C87"]
[PlyCount "99"]
[EventDate "1956.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[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. d4 Nf6 7. 0-0 Be7 8. Re1 0-0 9. h3 Re8 10. d5 Na7 11. c4 Bxa4 12. Qxa4 Nc8 13. Qc2 Bf8 14. Be3 Nd7 15. Nc3 Ne7 16. Na4 b6 17. b4 g6 18. Rec1 h6 19. Nd2 f5 20. f3 Bg7 21. c5 Ra7 22. Rab1 fxe4 23. fxe4 Rf8 24. Rb3 Nc8 25. Rc3 Rf7 26. cxb6 Ndxb6 27. Nxb6 Rb7 28. Nxc8 Qxc8 29. Nc4 Qf8 30. a3 Rb8 31. Na5 Rc8 32. Bb6 h5 33. Be3 Qe7 34. Rf1 Rxf1+ 35. Kxf1 Qh4 36. Bf2 Rf8 37. Kg1 Qd8 38. Rxc7 Bh6 39. Rc3 Bf4 40. Qe2 Qg5 41. h4 Qh6 42. g3 Bd2 43. Be3 Bxe3+ 44. Qxe3 Qg7 45. Rc2 Kh7 46. Rf2 Rc8 47. Nc6 Rc7 48. Qf3 Qh6 49. Kg2 Qc1 50. a4 1-0

[Event "CAN-op"]
[Site "Montreal"]
[Date "1956.??.??"]
[Round "4"]
[White "Grimshaw, David"]
[Black "Yanofsky, Daniel Abraham"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "56"]
[EventDate "1956.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[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 Nf6 5. Nc3 d6 6. Be2 e6 7. 0-0 Be7 8. Kh1 a6 9. f4 Qc7 10. a4 0-0 11. Nb3 Rd8 12. Bf3 Nb4 13. Be3 d5 14. e5 Nd7 15. Nd4 Nb6 16. Be2 Nc4 17. Bxc4 dxc4 18. Qg4 Nc6 19. Nxc6 Qxc6 20. Rf3 b5 21. Rg3 Bf8 22. Qh4 Bb7 23. Rf1 b4 24. Ne2 Qe4 25. c3 Rd3 26. Qh3 Rad8 27. Nc1 Rd1 28. Rgf3 Qxe3 0-1

[Event "CAN-op"]
[Site "Montreal"]
[Date "1956.??.??"]
[Round "8"]
[White "Jackson, Edward Schuyler"]
[Black "Grimshaw, David"]
[Result "1/2-1/2"]
[ECO "B20"]
[PlyCount "143"]
[EventDate "1956.??.??"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. d3 0-0 8. c3 Qb6 9. Kh1 a6 10. Nbd2 Bd7 11. Nc4 Qc7 12. Ne3 b5 13. f5 c4 14. g4 cxd3 15. Qxd3 Bc8 16. g5 Nd7 17. Nd5 Qd8 18. Nd4 Nce5 19. Qe2 Bb7 20. Bf4 Nc4 21. Rae1 Rc8 22. Bg3 Re8 23. Qf2 Nc5 24. Rd1 Rf8 25. f6 exf6 26. gxf6 Bh6 27. Ne7+ Kh8 28. Nxc8 Qxc8 29. Bf4 Nxe4 30. Qh4 Bxf4 31. Qxf4 g5 32. Qf5 Ne3 33. Qxc8 Rxc8 34. Rde1 Nxg2 35. Kxg2 Nd2+ 36. Kf2 Nxf1 37. Kxf1 Bd5 38. a3 h6 39. Re7 Rd8 40. Ra7 Kh7 41. Kf2 Kg6 42. Rxa6 Bc4 43. b3 Bd3 44. Ke3 Bf1 45. Rb6 Kxf6 46. Nxb5 Ke5 47. Nd4 Re8 48. c4 f5 49. Nf3+ Ke6 50. c5 Rd8 51. cxd6 f4+ 52. Kf2 Bd3 53. d7+ Kf5 54. Rd6 Be4 55. a4 g4 56. Nd4+ Ke5 57. Nb5 Bc2 58. a5 Bxb3 59. a6 Bd5 60. a7 h5 61. Rh6 g3+ 62. hxg3 fxg3+ 63. Kxg3 Rxd7 64. Rxh5+ Ke6 65. Nd4+ Kf6 66. Rxd5 Rxa7 67. Kf4 Ra1 68. Rd6+ Ke7 69. Rh6 Rf1+ 70. Nf3 Kd7 71. Ke3 Ra1 72. Ne5+ 1/2-1/2

