[Event "NED corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Jepp, Wolfgang"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "45"]
[EventDate "1988.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4 Nf6 6. Nc3 Be7 7. Bg5 Nc6 8. Qh4 d6 9. 0-0-0 Be6 10. Bd3 h6 11. Rhe1 Qd7 12. Bb5 0-0-0 13. Be3 Nd5 14. Qa4 Nxc3 15. bxc3 Bf6 16. Bd4 Bxd4 17. Nxd4 Bd5 18. c4 Bxg2 19. f3 Bxf3 20. Nxf3 Qh3 21. Bxc6 bxc6 22. Qxc6 Kb8 23. Rd3 1-0

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "8"]
[White "Borm, Frans"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2345"]
[PlyCount "75"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. a4 a5 8. Qd2 Nbd7 9. 0-0-0 Qc7 10. Kb1 Re8 11. Be2 e5 12. dxe5 dxe5 13. Bc4 Bf8 14. Ng5 Re7 15. Ba2 h6 16. Nf3 Kh7 17. g4 Ne8 18. Rhg1 Nb8 19. Qd8 Nd7 20. Qxc7 Nxc7 21. Nd2 Kg7 22. Nc4 Ne6 23. Rd2 Nec5 24. Nd6 Rb8 25. h4 Ne6 26. h5 Ng5 27. Rh1 Nf6 28. Bxg5 hxg5 29. h6+ Kg8 30. Nxf7 Rxf7 31. h7+ Nxh7 32. Bxf7+ Kxf7 33. Rxh7+ Kg8 34. Rh1 Bxg4 35. Rg1 Bf3 36. Rxg5 Bh6 37. Rxg6+ Kh7 38. Rdd6 1-0

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Bohm, Hans"]
[Result "1-0"]
[ECO "E41"]
[BlackElo "2410"]
[PlyCount "89"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. Nd2 e5 9. d5 Ne7 10. h3 h5 11. 0-0 Bf5 12. e4 Bh7 13. Re1 g5 14. Nf3 g4 15. Ng5 Bg6 16. f4 gxf3 17. Qxf3 Nh7 18. Rf1 Nxg5 19. Bxg5 Kd7 20. Qd1 Kc7 21. Qa4 Qd7 22. Qa5+ b6 23. Qa6 Qc8 24. Qxc8+ Nxc8 25. Rf6 a6 26. a4 Ra7 27. Kf2 Kb8 28. Ke3 Rd7 29. Be2 Ne7 30. Rxd6 Rxd6 31. Bxe7 Rd7 32. Bf6 Re8 33. h4 Rb7 34. g4 hxg4 35. Bxg4 Kc7 36. h5 Bh7 37. Bf5 Bxf5 38. exf5 b5 39. axb5 axb5 40. h6 Rb6 41. Bg7 bxc4 42. h7 Rbb8 43. Rh1 Kd6 44. Ke4 Rb2 45. Rh6+ 1-0

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Iskov, Gert"]
[Result "1-0"]
[ECO "E64"]
[BlackElo "2380"]
[PlyCount "111"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 c5 6. d5 d6 7. Nf3 Na6 8. 0-0 Nc7 9. a4 Rb8 10. Re1 b6 11. e4 a6 12. Bf1 Bd7 13. e5 Nfe8 14. h3 b5 15. b3 b4 16. Ne4 f5 17. exf6 Nxf6 18. Ra2 Nxe4 19. Rxe4 Bf5 20. Re1 Ne8 21. Rae2 Rb7 22. Bg5 Nf6 23. Nh4 Bc8 24. Qc1 Qe8 25. Bg2 Qf7 26. Nf3 Kh8 27. Bh6 Bxh6 28. Qxh6 Ng8 29. Qd2 Qf6 30. Re3 Rb8 31. h4 h6 32. Nh2 Bd7 33. Bf3 Qg7 34. Bg4 Bf5 35. Bxf5 gxf5 36. Rf3 Rf6 37. Rf4 Rbf8 38. Re3 a5 39. Nf1 Qf7 40. Qb2 Kh7 41. Qc2 Kh8 42. Qe2 Qg7 43. Ref3 Qg6 44. Ne3 h5 45. Ng2 e5 46. dxe6 Rxe6 47. Re3 Rxe3 48. Qxe3 Nh6 49. Rf3 Ng4 50. Nf4 Qf6 51. Qd2 Re8 52. Kg2 Ne5 53. Re3 Rg8 54. Qd5 Rg4 55. Nxh5 Qe7 56. Nf4 1-0

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Langeweg, Kick"]
[Result "0-1"]
[ECO "E43"]
[BlackElo "2410"]
[PlyCount "101"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. 0-0 f5 8. Ne2 Bd6 9. Nd2 0-0 10. f4 Nf6 11. Ng3 Nc6 12. a3 a5 13. b3 Ne7 14. e4 fxe4 15. Ndxe4 Nxe4 16. Bxe4 Qb8 17. Qd3 Bxe4 18. Nxe4 c6 19. g3 a4 20. b4 b5 21. cxb5 cxb5 22. Nc3 Rf5 23. d5 Nxd5 24. Nxb5 Qb6+ 25. Nd4 Rff8 26. Bb2 Rf7 27. Rae1 Raf8 28. Kh1 Qb7 29. Nf3 Bxf4 30. gxf4 Nxf4 31. Qd4 Nh5 32. Qe4 Qxe4 33. Rxe4 Rxf3 34. Rxf3 Rxf3 35. b5 Nf4 36. Kg1 Nd5 37. Kg2 Rb3 38. Bc1 Rb1 39. Rc4 Rxb5 40. Rxa4 Rb1 41. Rc4 Ra1 42. Kf3 Kf7 43. Ke4 h6 44. Rc2 Nb6 45. Kd4 Rb1 46. Bd2 Rb5 47. Ra2 Rh5 48. Bb4 d6 49. Be1 Rc5 50. Kd3 Na4 51. Bb4 0-1

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Pliester, Leon"]
[Result "1/2-1/2"]
[ECO "D31"]
[BlackElo "2315"]
[PlyCount "46"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. d5 Nf6 11. dxe6 Qxd1+ 12. Kxd1 Ne4 13. Be1 Nc6 14. Nd4 Nxd4 15. exf7+ Kxf7 16. exd4 Rd8 17. f3 Rxd4+ 18. Ke2 Nc5 19. Rxa5 Rxa5 20. Bxa5 Na4 21. Ke3 Rd5 22. Bc3 Nxc3 23. bxc3 Bf5 1/2-1/2

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Van Mil, Johan"]
[Result "0-1"]
[ECO "D76"]
[BlackElo "2315"]
[PlyCount "64"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 0-0 7. 0-0 Nb6 8. Nc3 Nc6 9. e3 e5 10. d5 Na5 11. e4 c6 12. Bg5 f6 13. Be3 cxd5 14. Bxb6 Qxb6 15. Nxd5 Qd8 16. Rc1 Nc6 17. Qb3 Rf7 18. Rfd1 Be6 19. Qe3 Qf8 20. Rc5 Rd8 21. Qc3 Rfd7 22. b4 Kh8 23. Re1 Bxd5 24. exd5 Rxd5 25. Rxd5 Rxd5 26. Qc4 Rd7 27. b5 Nd8 28. Qc8 Re7 29. Qb8 b6 30. Rc1 Rd7 31. Bh3 f5 32. Nxe5 Rb7 0-1

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "2"]
[White "Hess, Ralf"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2390"]
[PlyCount "22"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 0-0 6. Qe2 Nfd7 7. Bg5 Nc6 8. Rd1 Nb6 9. Bb3 Na5 10. h3 Nxb3 11. axb3 f6 1/2-1/2

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "4"]
[White "Kuijf, Hans"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2320"]
[PlyCount "29"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 dxe4 6. dxe4 Bc5 7. Bg2 0-0 8. 0-0 e5 9. c3 a5 10. Qc2 Nd7 11. Nc4 f6 12. Nh4 Nb6 13. Be3 Bxe3 14. Nxe3 Qe8 15. Rad1 1/2-1/2

[Event "Amsterdam op"]
[Site "Amsterdam"]
[Date "1982.07.??"]
[Round "6"]
[White "Short, Nigel D"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2430"]
[PlyCount "59"]
[EventDate "1982.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. g3 0-0 6. Bg2 e5 7. 0-0 exd4 8. Nxd4 Nc6 9. Nde2 Re8 10. h3 Nd7 11. Kh2 Nb6 12. a4 a5 13. b3 Nb4 14. Be3 Nd7 15. Qd2 Nc5 16. Rad1 Qe7 17. Rfe1 Nca6 18. Nf4 Bd7 19. Nfd5 Qd8 20. Bg5 f6 21. Be3 Bc6 22. Bd4 Bd7 23. Be3 Nxd5 24. Nxd5 b6 25. e5 Rxe5 26. Nxb6 cxb6 27. Qxd6 Rxe3 28. Rxe3 Ra7 29. Re7 Nb8 30. Qe6+ 1-0

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.26"]
[Round "11"]
[White "Donner, Jan Hein"]
[Black "Witt, Rob"]
[Result "1/2-1/2"]
[ECO "E59"]
[BlackElo "2290"]
[PlyCount "55"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

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. Bd3 e5 12. Qc2 Re8 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f3 Bd7 16. a4 Rad8 17. Re1 Bc6 18. e4 Nd5 19. Bd2 Nf4 20. Bf1 c4 21. Bxf4 Qxf4 22. Qf2 Qd2 23. Qxa7 Qxc3 24. Rec1 Qb2 25. Rab1 Ra8 26. Qc5 Qd2 27. Rxc4 Ra5 28. Qb4 1/2-1/2

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.24"]
[Round "10"]
[White "Baljon, Christofoor"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "2320"]
[PlyCount "61"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 Nd5 9. d4 Be7 10. Nf3 e4 11. Ne5 0-0 12. c4 f6 13. Nxc6 Nxc6 14. cxd5 Qxd5 15. Be3 f5 16. Nc3 Qd6 17. d5 Ne5 18. Nb5 Qb4+ 19. Bd2 Qxb2 20. d6 Bf6 21. 0-0 Bd7 22. Bc3 Nf3+ 23. gxf3 Bxc3 24. Rb1 Qd2 25. Qb3+ Kh8 26. Nxc3 Rac8 27. Rbc1 Rxc3 28. Rxc3 Qxe2 29. Qb7 Bb5 30. Rb1 Bd3 31. Rc8 1-0

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.23"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Van der Sterren, Paul"]
[Result "0-1"]
[ECO "A64"]
[BlackElo "2470"]
[PlyCount "124"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 d6 6. Nc3 0-0 7. Nf3 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Nbd7 11. h3 Re8 12. Nd2 Rb8 13. a5 b5 14. axb6 Nxb6 15. e4 Nfd7 16. Qc2 Qc7 17. Rd1 c4 18. Na4 Nxa4 19. Rxa4 Nc5 20. Rxc4 a5 21. Ra4 Ba6 22. Ra3 Rb4 23. Nb3 Rc4 24. Qb1 Nxb3 25. Rxb3 a4 26. Ra3 Rc8 27. Bd2 Rb8 28. b4 Rc2 29. Rxa4 Bd3 30. Be3 Qc4 31. Ra3 Bxe4 32. Bxe4 Qxe4 33. Ra2 Rc4 34. Qxe4 Rxe4 35. Rb1 Bd4 36. Bxd4 Rxd4 37. b5 Rxd5 38. b6 Re5 39. b7 Kg7 40. Ra8 Ree8 41. Rxb8 Rxb8 42. Kg2 Kf6 43. Kf3 Ke5 44. Rb5+ Kd4 45. Kf4 Kc4 46. Rb2 Kc5 47. Kg5 Kc6 48. Kh6 Rxb7 49. Rc2+ Kd5 50. Rd2+ Kc5 51. Kxh7 d5 52. h4 d4 53. Kg7 Kc4 54. g4 d3 55. f4 Kc3 56. Rd1 f5+ 57. Kxg6 fxg4 58. Kf5 g3 59. Rg1 Rf7+ 60. Kg4 d2 61. Kh3 g2 62. h5 Rxf4 0-1

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.22"]
[Round "8"]
[White "Kuijf, Hans"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2320"]
[PlyCount "108"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. d4 Nc6 5. c3 Nf6 6. Nbd2 0-0 7. Bb3 Bg4 8. d5 Nb8 9. h3 Bc8 10. g4 Nbd7 11. Qe2 a5 12. Nf1 Nc5 13. Bc2 c6 14. c4 cxd5 15. exd5 b5 16. g5 Nfd7 17. cxb5 Nb6 18. Be3 Bb7 19. 0-0-0 Rc8 20. Bxc5 Rxc5 21. Ne3 g6 22. Kb1 Nxd5 23. Nxd5 Bxd5 24. Rhg1 Qa8 25. Ne1 Rfc8 26. Rg3 Qb7 27. a4 Bf8 28. Bb3 Bxb3 29. Rxb3 Rc4 30. Ra3 d5 31. Rad3 d4 32. Qxe5 Bg7 33. Qd6 Rxa4 34. Qa6 Qxa6 35. bxa6 Rac4 36. Nf3 R4c6 37. a7 Ra6 38. Nxd4 Rxa7 39. Nb5 Raa8 40. R1d2 h5 41. Rd7 Rc5 42. R7d5 Rac8 43. Nd6 Rxd5 44. Rxd5 Rd8 45. Rd2 Be5 46. Nc4 Rxd2 47. Nxd2 Bf4 48. Nc4 Bxg5 49. Nxa5 Bf4 50. Kc2 Kg7 51. Kd3 Kf6 52. Ke4 Bc7 53. Nc4 Kg5 54. Kf3 Kf5 1/2-1/2

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.21"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Scheeren, Peter MJ"]
[Result "0-1"]
[ECO "E52"]
[BlackElo "2430"]
[PlyCount "70"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 0-0 7. 0-0 d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 a5 11. bxa5 Rxa5 12. Nb5 Be7 13. Bd2 c6 14. Nc3 Rxa3 15. Rxa3 Bxa3 16. Qe2 Nbd7 17. e4 Be7 18. h3 b5 19. Bd3 b4 20. Na4 Qa8 21. Ra1 Qa5 22. Qe1 Ra8 23. Ra2 Ba6 24. Bxa6 Rxa6 25. e5 Ne8 26. Qb1 Qb5 27. Nb2 Ra3 28. Nd1 Rxa2 29. Qxa2 Nc7 30. Ne3 b3 31. Qb2 Nb6 32. Be1 Ncd5 33. Nxd5 cxd5 34. Nd2 Qe2 35. Qb1 Bb4 0-1

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.19"]
[Round "6"]
[White "Van der Wiel, John"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2470"]
[PlyCount "128"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. f5 Nb4 10. fxg6 hxg6 11. Bg5 Qd6 12. Qd2 Nxd3 13. cxd3 Nh7 14. Bh6 b6 15. Rad1 Bb7 16. Kh1 c5 17. Bxg7 Kxg7 18. Qf2 Qe7 19. Qg3 Rfe8 20. Rd2 Rad8 21. Nd1 Qf6 22. Ne3 Qf4 23. Qe1 Qh6 24. h3 Bc8 25. a3 f6 26. b4 cxb4 27. axb4 Be6 28. d4 exd4 29. Rxd4 Qf4 30. Rxd8 Rxd8 31. Nd4 Qd6 32. Nxe6+ Qxe6 33. Qc3 Ng5 34. Ra1 Rd7 35. e5 Qxe5 36. Qxe5 fxe5 37. Ng4 Re7 38. Kg1 Nf7 39. Ne3 Nd6 40. Nd5 Rd7 41. Nc3 Kf6 42. Rf1+ Ke6 43. Rf3 Rc7 44. Rg3 g5 45. Ne2 Rc2 46. Kf1 Ne4 47. Ra3 Rb2 48. g4 Rxb4 49. Rxa7 Rb3 50. Kg2 b5 51. Ra8 Re3 52. Ng1 Rg3+ 53. Kh2 Rb3 54. Kg2 Rb2+ 55. Kf3 Nd6 56. Rg8 b4 57. Ke3 Rb3+ 58. Ke2 e4 59. Rg6+ Kd7 60. Kf2 Rb1 61. Ne2 b3 62. Nc3 Rc1 63. Na4 Rc2+ 64. Kg3 e3 0-1

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.18"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Ree, Hans"]
[Result "0-1"]
[ECO "A64"]
[BlackElo "2475"]
[PlyCount "58"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 0-0 6. Nc3 d6 7. Nf3 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 a6 11. a4 Nbd7 12. h3 Rb8 13. a5 b5 14. axb6 Nxb6 15. e4 Nfd7 16. f4 Qc7 17. Re1 c4 18. Na4 Nxa4 19. Rxa4 Nb6 20. Ra2 f5 21. Kh2 Bb7 22. Nf1 fxe4 23. Rxe4 Rxe4 24. Bxe4 Re8 25. Bg2 Qc5 26. b4 cxb3 27. Re2 Rxe2 28. Qxe2 Bxd5 29. Bb2 Bxb2 0-1

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.17"]
[Round "4"]
[White "Langeweg, Kick"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2410"]
[PlyCount "27"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. cxd5 Nxd5 9. Nxd5 exd5 10. a3 Nc6 11. Bd3 Bb6 12. h3 Qf6 13. Rb1 Bf5 14. 0-0 1/2-1/2

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.15"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Bohm, Hans"]
[Result "1-0"]
[ECO "D35"]
[BlackElo "2410"]
[PlyCount "37"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 7. Bd3 Bd6 8. Nf3 Nf8 9. Bh4 Ng6 10. Bg3 0-0 11. Qc2 Re8 12. 0-0 Bxg3 13. hxg3 Qe7 14. Nd2 Ng4 15. Rfe1 Qf6 16. Nf3 h5 17. e4 dxe4 18. Nxe4 Qd8 19. Neg5 1-0

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.14"]
[Round "2"]
[White "Kuijf, Marinus"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "66"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 a6 6. 0-0 d6 7. Bb3 0-0 8. Bg5 h6 9. Bh4 g5 10. Bg3 Ba7 11. Nbd2 Kg7 12. Nc4 Ne7 13. Ne3 Nh5 14. d4 f6 15. Qd2 Qe8 16. Rac1 Bd7 17. Bc2 Rd8 18. b3 Qg6 19. dxe5 dxe5 20. Nxe5 fxe5 21. Bxe5+ Kg8 22. Bxc7 Nc6 23. Bxd8 Rxd8 24. Nd5 Qf7 25. b4 Ne5 26. Bb3 Kh8 27. c4 Nf4 28. Nxf4 gxf4 29. Kh1 Qf6 30. f3 Ba4 31. Qb2 Bxb3 32. axb3 Bd4 33. Qc2 Nc6 1/2-1/2

[Event "NED-ch37"]
[Site "Amsterdam/Drachten"]
[Date "1982.03.13"]
[Round "1"]
[White "Ligterink, Gert"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2455"]
[PlyCount "42"]
[EventDate "1982.03.13"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "7"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. 0-0 exd4 8. Nxd4 Nc6 9. Nde2 Nd7 10. b3 Nc5 11. Bb2 f5 12. exf5 Bxf5 13. Rb1 Qd7 14. Nd5 Bxb2 15. Rxb2 Rae8 16. c4 Qg7 17. Nec3 Ne4 18. Bxe4 Bxe4 19. f3 Bxd5 20. Qxd5+ Kh8 21. Qd2 Nd4 1/2-1/2

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Blow, Ronald"]
[Result "1-0"]
[ECO "D18"]
[PlyCount "91"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 e6 8. 0-0 Bb4 9. Nh4 Bg6 10. Nxg6 hxg6 11. g3 Nb6 12. Be2 Nbd5 13. Qc2 Ne7 14. Rd1 Nf5 15. Qb3 Qb6 16. Na2 Be7 17. Qxb6 axb6 18. Nc3 0-0-0 19. a5 b5 20. Bf3 Kc7 21. a6 Ra8 22. e4 Nxd4 23. Rxd4 e5 24. Rd3 bxa6 25. Be3 a5 26. Rc1 Kb7 27. h4 Rhd8 28. Rcd1 a4 29. Rxd8 Rxd8 30. Rxd8 Bxd8 31. Kf1 Nd7 32. Ke1 Nb6 33. Be2 Be7 34. Kd1 Bb4 35. Kc2 Be7 36. b3 a3 37. Na2 b4 38. Nc1 f6 39. Nd3 Nd7 40. Bg4 f5 41. exf5 e4 42. Nc1 Nf6 43. Bh3 Nd5 44. fxg6 Bf6 45. Na2 Be5 46. Bf5 1-0

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Hebden, Mark"]
[Result "1/2-1/2"]
[ECO "A58"]
[PlyCount "96"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2 Qa5 9. g3 Bg7 10. e4 Bxf1 11. Kxf1 Nbd7 12. Nc4 Qa6 13. Qe2 0-0 14. Bg5 Rfb8 15. Rc1 h6 16. Bd2 Nb6 17. Nxb6 Rxb6 18. Qxa6 Raxa6 19. b3 Nd7 20. Na4 Rb7 21. Ke2 Nb6 22. Nxb6 Rbxb6 23. Rc2 Ra3 24. Bc1 Ra7 25. Rd1 Rba6 26. Rdd2 h5 27. Kd1 e6 28. Re2 Bd4 29. Bb2 Rxa2 30. Bxd4 Rxc2 31. Kxc2 cxd4 32. dxe6 fxe6 33. Kd3 Rb7 34. Kc4 d5+ 35. Kxd4 Rxb3 36. exd5 exd5 37. Kxd5 Kf7 38. f4 Kf6 39. Re6+ Kf5 40. Re5+ Kf6 41. Ke4 Rb2 42. h4 Rb3 43. Rg5 Ra3 44. f5 Ra4+ 45. Kf3 Ra3+ 46. Kg2 Ra2+ 47. Kh3 gxf5 48. Rxh5 Ra3 1/2-1/2

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Klauner, Theo"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "53"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[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. e3 c5 5. Bd3 Nc6 6. Nge2 d5 7. a3 dxc4 8. Bxc4 Bxc3+ 9. bxc3 0-0 10. 0-0 cxd4 11. cxd4 b6 12. Bb2 Bb7 13. Ng3 Ne7 14. Re1 Ne4 15. Nxe4 Bxe4 16. a4 Nf5 17. f3 Bc6 18. e4 Nd6 19. Bf1 Qg5 20. Qc1 Qxc1 21. Rexc1 Rac8 22. Ba3 Rfd8 23. Bxd6 Rxd6 24. Ba6 Rc7 25. Bb5 a6 26. d5 Rd8 27. Rxc6 1-0

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "8"]
[White "Donner, Jan Hein"]
[Black "Meulders, Richard"]
[Result "1-0"]
[ECO "A85"]
[BlackElo "2345"]
[PlyCount "119"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Bb4 5. e3 0-0 6. Bd3 Bxc3+ 7. bxc3 d6 8. Ne2 c5 9. f4 Nc6 10. 0-0 Qe8 11. Ng3 Bd7 12. Qd2 Qf7 13. Bxf6 Qxf6 14. d5 Na5 15. e4 g6 16. Rae1 Qf7 17. dxe6 Bxe6 18. exf5 gxf5 19. Rf3 b6 20. Qe2 Bxc4 21. Nxf5 Qxf5 22. Bxf5 Bxe2 23. Be6+ Kh8 24. Rxe2 Rae8 25. Kf2 Nc6 26. g3 Ne5 27. fxe5 Rxf3+ 28. Kxf3 Rxe6 29. Kf4 dxe5+ 30. Rxe5 Rf6+ 31. Rf5 Rh6 32. h4 Kg7 33. Rd5 Rf6+ 34. Ke4 Rf7 35. g4 Re7+ 36. Re5 Rd7 37. Re6 Kf7 38. Rc6 Ke7 39. a4 Kf7 40. a5 bxa5 41. Rxc5 Re7+ 42. Kd3 Ke6 43. Rxa5 Kd6 44. Rh5 Rg7 45. g5 Re7 46. Kd4 Ke6 47. Rh6+ Kf5 48. c4 a5 49. Ra6 Re4+ 50. Kd3 Rxh4 51. Rxa5+ Kg6 52. Kc3 Rg4 53. Kb4 Kf7 54. Re5 h6 55. gxh6 Rh4 56. Kb5 Rxh6 57. c5 Rh1 58. c6 Rb1+ 59. Kc5 Kf6 60. Re4 1-0

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "10"]
[White "Donner, Jan Hein"]
[Black "Stean, Michael F"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "82"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[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. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. Nd2 e5 9. d5 Ne7 10. Qc2 0-0 11. 0-0 g6 12. f4 Ng4 13. Nf3 exf4 14. exf4 Nf5 15. Re1 h5 16. Ng5 Ng7 17. Bd2 Bf5 18. Ne4 Nf6 19. Ng3 Bxd3 20. Qxd3 h4 21. Nf1 Qd7 22. Qf3 Rfe8 23. Rxe8+ Rxe8 24. Re1 Nf5 25. Be3 Qa4 26. Bf2 Rxe1 27. Bxe1 Qxc4 28. Ne3 Nxe3 29. Qxe3 Nxd5 30. Qe8+ Kg7 31. f5 Nf6 32. Qe7 Qe4 33. Qxe4 Nxe4 34. fxg6 fxg6 35. Kf1 g5 36. Ke2 Kf6 37. Kd3 d5 38. c4 Ke5 39. cxd5 Kxd5 40. h3 b6 41. Ke3 a5 0-1

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "2"]
[White "Jones, Iolo Cerredig"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2245"]
[PlyCount "80"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Nc3 a6 8. Bg2 b5 9. Qd3 Bb7 10. dxc5 Nxc5 11. Qxd8+ Rxd8 12. 0-0 b4 13. Nd1 Be7 14. Ne5 Bxg2 15. Kxg2 Rc8 16. b3 0-0 17. f3 Nd5 18. Bb2 Rfd8 19. Rc1 Nb6 20. Rc2 f6 21. Ng4 a5 22. e4 a4 23. bxa4 Nd3 24. Rxc8 Rxc8 25. Nge3 Nxa4 26. Ba1 Ra8 27. Nf2 Nac5 28. Nxd3 Nxd3 29. Rd1 Rxa2+ 30. Kg1 b3 31. Bd4 b2 32. Nc4 e5 33. Bc3 Bc5+ 34. Kf1 Bd4 35. Bxd4 exd4 36. Rb1 Ra1 37. Nd2 Ne5 38. Ke2 d3+ 39. Kf2 Nc4 40. h4 h5 0-1

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "11"]
[White "Mestel, A Jonathan"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "C85"]
[WhiteElo "2500"]
[PlyCount "71"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 f6 10. Nh4 Nc5 11. Qf3 Ne6 12. Nf5 Nd4 13. Nxd4 Qxd4 14. Be3 Qd8 15. a4 b6 16. Qg3 Be6 17. Nd2 Qd7 18. Kh1 Bd6 19. f4 exf4 20. Bxf4 Bxf4 21. Rxf4 c5 22. Raf1 Qd6 23. Nf3 c4 24. d4 Rae8 25. c3 Bd7 26. Nd2 Bxa4 27. Nxc4 Qc6 28. Nd2 Bc2 29. c4 Qd6 30. Qc3 Ba4 31. b4 Qd7 32. d5 c6 33. Qd4 cxd5 34. exd5 Re2 35. Ne4 Bb3 36. Qd3 1-0

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "6"]
[White "Rivas Pastor, Manuel"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2470"]
[PlyCount "63"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 0-0 7. Rc1 dxc4 8. e3 c5 9. Bxc4 cxd4 10. Nxd4 Nd5 11. Bxe7 Nxe7 12. 0-0 Nbc6 13. Ndb5 Qa5 14. a3 Ne5 15. Be2 a6 16. b4 Qd8 17. Nd6 Rb8 18. e4 Bd7 19. f4 N5c6 20. e5 Qb6+ 21. Kh1 Nd4 22. Bd3 Rbd8 23. Be4 Bc6 24. Bxc6 Ndxc6 25. Na4 Qa7 26. Nc5 b6 27. Nce4 Qa8 28. Qg4 Nd4 29. Rc7 Nd5 30. Nf6+ Nxf6 31. exf6 g6 32. Nxf7 1-0

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "4"]
[White "Sanz Alonso, Francisco Javier"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "52"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. h4 h5 10. Qf4 c5 11. Bd3 Nxd2 12. Kxd2 cxd4 13. cxd4 Bd7 14. Nf3 Bc6 15. Ng5 Qe7 16. Rh3 Nd7 17. Rf3 0-0 18. Re1 f6 19. exf6 Rxf6 20. Qc7 Raf8 21. Rxf6 Rxf6 22. f3 Qb4+ 23. Kd1 Nf8 24. Qe5 Nd7 25. Qc7 Nf8 26. Qe5 Nd7 1/2-1/2

[Event "Marbella Zonal-B"]
[Site "Marbella"]
[Date "1982.02.??"]
[Round "9"]
[White "Van der Sterren, Paul"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "2470"]
[PlyCount "105"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 0-0 8. Qd2 c6 9. 0-0-0 Nd7 10. h4 g6 11. g4 Bg7 12. g5 h5 13. e4 Nb6 14. Qe3 Nxc4 15. Bxc4 dxc4 16. e5 Qa5 17. Kb1 b6 18. Nd2 Qa6 19. Nde4 c5 20. dxc5 Bb7 21. Rd6 Bxe4+ 22. Qxe4 Qa5 23. f4 Qxc5 24. Rc6 Qf2 25. Qxc4 Rad8 26. Rd6 Rc8 27. Qd4 Qxd4 28. Rxd4 Rfd8 29. Rhd1 Rxd4 30. Rxd4 Bf8 31. Ne4 Be7 32. Rd7 Kf8 33. Rxa7 Rc4 34. Nf6 Bd8 35. Rd7 Be7 36. Rb7 Bd8 37. Nd7+ Ke8 38. Nf6+ Kf8 39. Nd7+ Ke8 40. Nxb6 Rb4 41. Nc8 Rxb7 42. Nd6+ Ke7 43. Nxb7 Bb6 44. a4 Bf2 45. Kc2 Bxh4 46. Kd3 Be1 47. Ke2 Bb4 48. Kf3 h4 49. a5 Kd7 50. a6 Kc7 51. Nd6 Kb6 52. Nxf7 Kxa6 53. Nd8 1-0

[Event "Delft exh"]
[Site "Delft"]
[Date "1982.??.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Comp Belle"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "112"]
[EventDate "1982.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Be2 dxc4 10. Bxf6 Nxf6 11. Nxc4 Qc7 12. 0-0 Rd8 13. a3 Be7 14. b4 b6 15. Rfc1 Bb7 16. Bf3 a6 17. Rab1 Nd7 18. a4 Rab8 19. g3 Kh8 20. Bg2 f5 21. Ne2 Re8 22. Nf4 Bg5 23. Nd3 Bf6 24. f4 Rec8 25. a5 b5 26. Nd2 Ba8 27. Nb3 Qa7 28. Qe2 Rc7 29. Nbc5 Nf8 30. Rc2 Re8 31. Rbc1 Kg8 32. Bf3 Rd8 33. g4 Rdc8 34. Rc3 fxg4 35. Bxg4 Re7 36. Qa2 Rce8 37. f5 Rd8 38. Nf4 Bxd4 39. exd4 Rxd4 40. f6 Rxf4 41. fxe7 Rxg4+ 42. Rg3 Rxg3+ 43. hxg3 Qxe7 44. Qd2 h6 45. Rd1 Qe8 46. Qd6 e5 47. Qc7 Qh5 48. Rf1 Qe8 49. Qd6 e4 50. Rf4 e3 51. Re4 Qc8 52. Rxe3 h5 53. Re7 Qf5 54. Qf4 Qg6 55. Ra7 Qe8 56. Qd4 Qg6 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "E39"]
[BlackElo "2690"]
[PlyCount "106"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[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 c5 5. dxc5 0-0 6. Bf4 Na6 7. Bd6 Re8 8. a3 Qa5 9. Rc1 Bxc3+ 10. Qxc3 Qxc3+ 11. Rxc3 Ne4 12. Rc2 Naxc5 13. Bxc5 Nxc5 14. Nf3 b6 15. Nd4 a5 16. Nb5 Rd8 17. Nd6 Bb7 18. Nxb7 Nxb7 19. e3 Rac8 20. Bd3 Nc5 21. Be2 a4 22. f3 Nb3 23. Bd3 Rc5 24. Ke2 Rdc8 25. Rc3 Na5 26. Rhc1 Kf8 27. Kf2 Ke7 28. Ke2 h6 29. Ke1 Rh5 30. h3 Rhc5 31. Kf2 Nb3 32. R1c2 d6 33. Ke1 g5 34. g3 R5c7 35. Bf1 f5 36. Kf2 Rf8 37. Bg2 f4 38. Bf1 Rc5 39. Bd3 fxe3+ 40. Kxe3 Re5+ 41. Be4 Nc5 42. Kd4 Nb3+ 43. Kd3 Kd7 44. Ke3 Nc5 45. Kd4 Rc8 46. Rf2 Nb3+ 47. Kd3 Rf8 48. Rfc2 h5 49. Ke3 Nc5 50. Kd4 g4 51. Re3 gxf3 52. Bxf3 Nb3+ 53. Kd3 Rxe3+ 0-1

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Langeweg, Kick"]
[Result "1-0"]
[ECO "E12"]
[BlackElo "2455"]
[PlyCount "85"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 c5 5. d5 Ba6 6. Qc2 exd5 7. cxd5 g6 8. Nc3 Bg7 9. e4 Bxf1 10. Kxf1 d6 11. g3 0-0 12. Kg2 a6 13. Bf4 Qc7 14. h3 Nbd7 15. g4 Rfe8 16. Rhe1 h5 17. g5 Nh7 18. Rad1 b5 19. b3 Nhf8 20. Bg3 Rac8 21. a4 Qa5 22. Nb1 Qb6 23. Nbd2 Nh7 24. Re2 Qc7 25. Rde1 Nhf8 26. axb5 axb5 27. Qd3 c4 28. bxc4 bxc4 29. Qc2 c3 30. Nb3 Qb6 31. Rd1 Rc4 32. Nc1 Qc7 33. Nb3 Qb6 34. Nc1 Qc7 35. Nb3 Rb8 36. Nbd4 Rb2 37. Qd3 Rxe2 38. Nxe2 c2 39. Rc1 Bb2 40. Bxd6 Qc8 41. Nd2 Rc7 42. Bxc7 Bxc1 43. Bf4 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Ljubojevic, Ljubomir"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "2605"]
[PlyCount "58"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 Nbd7 8. Qc2 Nf8 9. Nf3 Ng6 10. h4 h6 11. Bxg6 hxg5 12. Bf5 g4 13. Ne5 Bxf5 14. Qxf5 Rh5 15. Qd3 Qe7 16. f4 gxf3 17. Nxf3 Ne4 18. Ne2 0-0-0 19. g4 Rh6 20. Rf1 Rxh4 21. Nxh4 Qxh4+ 22. Kd1 Nf2+ 23. Rxf2 Qxf2 24. Qf5+ Qxf5 25. gxf5 Rh8 26. Kd2 Kd7 27. Rg1 Rh7 28. Kd3 Ke7 29. e4 Rh3+ 0-1

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "E39"]
[BlackElo "2620"]
[PlyCount "51"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[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 c5 5. dxc5 0-0 6. a3 Bxc5 7. Nf3 Nc6 8. Bg5 Nd4 9. Nxd4 Bxd4 10. e3 Qa5 11. exd4 Qxg5 12. g3 d6 13. Qd2 Qa5 14. Bg2 Qc7 15. b3 Bd7 16. 0-0 Rac8 17. Rfc1 Rfe8 18. Ne4 Nxe4 19. Bxe4 Bc6 20. d5 exd5 21. Bxd5 Bxd5 22. Qxd5 Re5 23. Qd4 a5 24. Re1 h5 25. Rad1 a4 26. bxa4 1/2-1/2

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[ECO "A64"]
[BlackElo "2485"]
[PlyCount "88"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 0-0 6. Nc3 d6 7. Nf3 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Nbd7 11. h3 Re8 12. Nd2 Rb8 13. Nc4 Nb6 14. Na3 Bd7 15. a5 Nc8 16. Nc4 Bb5 17. Qb3 Na7 18. Bd2 Bxc4 19. Qxc4 Qd7 20. e3 Nb5 21. Ra2 b6 22. axb6 Rxb6 23. Rfa1 Nc7 24. Na4 Rb7 25. Nc3 Reb8 26. Bc1 Rb4 27. Qd3 Qe7 28. Ra4 Nd7 29. Rxb4 Rxb4 30. Qc2 Rb8 31. Bf1 Nb6 32. e4 Qd7 33. h4 Re8 34. Bxa6 Nxa6 35. Rxa6 Rb8 36. Qb3 Qb7 37. Qb5 Be5 38. Bh6 f6 39. Nd1 f5 40. exf5 Nxd5 41. Qxb7 Rxb7 42. fxg6 hxg6 43. f4 Bd4+ 44. Kf1 Nb6 1/2-1/2

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Donner, Jan Hein"]
[Black "Timman, Jan H"]
[Result "0-1"]
[ECO "E41"]
[BlackElo "2620"]
[PlyCount "54"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 h6 11. f3 Qa5 12. Bd2 g5 13. Nf5 Nxf5 14. exf5 Bd7 15. h4 g4 16. fxg4 e4 17. Be2 e3 18. Bxe3 Qxc3+ 19. Kf2 h5 20. gxh5 Ne4+ 21. Kf3 Bxf5 22. Bd3 Rg8 23. Bxe4 Bg4+ 24. Kf2 Bxd1 25. Raxd1 0-0-0 26. Bf5+ Kc7 27. h6 Qf6 0-1

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Hort, Vlastimil"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2575"]
[PlyCount "77"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. dxe5 Nd7 9. Bd2 Nb6 10. 0-0 Nb4 11. Be2 Bf5 12. Rc1 Qd7 13. a3 Nc6 14. Be3 Rfd8 15. Qe1 Nd5 16. Nxd5 Qxd5 17. Qc3 e6 18. h3 Qd7 19. Rfd1 Qe8 20. Bf2 Rxd1+ 21. Rxd1 Rd8 22. Rxd8 Qxd8 23. g4 Be4 24. Nd2 Bd5 25. Qd3 Ba2 26. Qxd8+ Nxd8 27. Bxa7 Nc6 28. Be3 g5 29. Nf3 gxf4 30. Bxf4 Bd5 31. Kf2 b6 32. b4 Bxf3 33. Bxf3 Bxe5 34. Kg3 Bxf4+ 35. Kxf4 Nd4 36. Be4 f6 37. a4 h6 38. Ke3 c5 39. c3 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Kavalek, Lubomir"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D68"]
[WhiteElo "2550"]
[PlyCount "71"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 0-0 6. Rc1 Ne4 7. Bxe7 Qxe7 8. Nf3 c6 9. Bd3 Nxc3 10. Rxc3 Nd7 11. Qc2 g6 12. 0-0 dxc4 13. Bxc4 e5 14. d5 c5 15. Rd1 Qd6 16. Nd2 f5 17. Bb5 a6 18. Bxd7 Bxd7 19. Rxc5 Rac8 20. Rxc8 Rxc8 21. Qb3 b5 22. e4 Qc5 23. Nf3 Qd6 24. h3 Rc4 25. exf5 gxf5 26. Qe3 e4 27. Qg5+ Kf7 28. Qh5+ Kg8 29. Nd4 Qxd5 30. Nc2 Qc6 31. Qg5+ Kf7 32. Qd8 Bc8 33. Rd6 Qxd6 34. Qxd6 Rxc2 35. b4 Kg7 36. h4 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Miles, Anthony John"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2590"]
[PlyCount "127"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. Nxd5 Be6 10. Ne2 Bxd5 11. cxd5 Nbd7 12. Nc3 a6 13. Be2 Qc7 14. 0-0 c4 15. Kh1 b5 16. b4 cxb3 17. axb3 Nb6 18. Rac1 Qb8 19. Na2 Nfd7 20. Nb4 Nc5 21. Nc6 Qb7 22. Na5 Qd7 23. b4 Nca4 24. Rc6 Rfc8 25. Rfc1 Rxc6 26. dxc6 Qc7 27. Nb7 Bf8 28. Bf4 Nc8 29. Bd1 Nab6 30. Bb3 Be7 31. Qb2 Bf8 32. Bg5 Bg7 33. Qa2 Na7 34. Qd2 Bf8 35. Bf4 Nc4 36. Bxc4 bxc4 37. Rxc4 Nb5 38. Rc1 Rc8 39. h3 Qb6 40. Be3 Qc7 41. Qa2 Ra8 42. Qf2 Be7 43. Bb6 Qc8 44. Qa2 Qe6 45. Qxe6 fxe6 46. c7 Rc8 47. Nd8 d5 48. Nc6 Kf7 49. e5 Ke8 50. g3 Bf8 51. f4 d4 52. Nxd4 Nxd4 53. Bxd4 Bxb4 54. Bb6 Kd7 55. Kg2 a5 56. Kf3 a4 57. Rc4 Be7 58. Rxa4 Kc6 59. Ba5 Kb5 60. Ra2 h5 61. Ke4 Bf8 62. Kf3 Be7 63. g4 hxg4+ 64. Kxg4 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Portisch, Lajos"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2650"]
[PlyCount "73"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Ne8 10. Nge2 Bh6 11. Bf2 Nd7 12. 0-0 Nc5 13. Bc2 a5 14. a3 Bd7 15. b4 axb4 16. axb4 Rxa1 17. Qxa1 Na6 18. Rb1 Nec7 19. Bb6 Qb8 20. Qa3 Rc8 21. Bd3 Bg5 22. Kh1 Na8 23. Bg1 N8c7 24. Nc1 Ne8 25. N1a2 Nec7 26. Na4 Bb5 27. Nb6 Bxd3 28. Qxd3 Rd8 29. Nc3 Ne8 30. Nc4 Nac7 31. b5 Ng7 32. Ra1 Nce8 33. g3 f5 34. Ra7 Rd7 35. b6 Rf7 36. Na5 Nf6 37. Nxb7 1-0

[Event "IBM-21 Herinnerungs Toernooi"]
[Site "Amsterdam"]
[Date "1981.05.??"]
[Round "?"]
[White "Smyslov, Vassily V"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "E03"]
[WhiteElo "2545"]
[PlyCount "111"]
[EventDate "1981.05.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Nf3 a6 8. 0-0 b5 9. Qb3 Bb7 10. a4 Bd5 11. Qd1 cxd4 12. Nxd4 Bxg2 13. Kxg2 Bc5 14. b4 Bxd4 15. Qxd4 bxa4 16. Rxa4 Qb6 17. Qxb6 Nxb6 18. Ra2 Nfd5 19. Bd2 Nc4 20. b5 0-0 21. bxa6 Nxd2 22. Nxd2 Nb4 23. Ra4 Nxa6 24. Rc1 Rfb8 25. Rcc4 Nc7 26. Rxa8 Nxa8 27. Ne4 Kf8 28. Ra4 Nb6 29. Ra7 Nc8 30. Rd7 Nb6 31. Rc7 Nd5 32. Ra7 Ne7 33. h4 h6 34. g4 Rd8 35. Kg3 Nd5 36. Nc5 Kg8 37. e4 Nf6 38. f3 Rc8 39. Nd3 Rc3 40. Nf2 Kf8 41. e5 Ne8 42. Ne4 Rc7 43. Ra8 Ke7 44. h5 f6 45. f4 fxe5 46. fxe5 Rc1 47. Kf3 Rc7 48. Ra6 Rc1 49. Ra8 Rf1+ 50. Ke2 Rc1 51. Rb8 Rc7 52. Kd3 Rc1 53. Nc3 Rg1 54. Rb7+ Kd8 55. Rb8+ Ke7 56. Rb7+ 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.12"]
[Round "13"]
[White "Donner, Jan Hein"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[ECO "E25"]
[BlackElo "2465"]
[PlyCount "58"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5 9. Qc2 Qh4+ 10. g3 Qe7 11. e4 fxe4 12. fxe4 Nf6 13. Be3 Ng4 14. Qe2 Nxe3 15. Qxe3 0-0 16. Nf3 Nd7 17. c6 bxc6 18. Bc4 Rxf3 19. Qxf3 Ne5 20. Qe2 Qc5 21. Ba2 Qxc3+ 22. Kf2 Ba6 23. Bxe6+ Kh8 24. Qxa6 Qf3+ 25. Kg1 Qe3+ 26. Kg2 Qxe4+ 27. Kh3 Nf3 28. Bg4 Ng5+ 29. Kh4 Nf3+ 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.10"]
[Round "12"]
[White "Ree, Hans"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2485"]
[PlyCount "75"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 0-0 6. e3 b6 7. Rc1 Bb7 8. cxd5 exd5 9. Be2 c5 10. 0-0 Nc6 11. Ne5 Nxe5 12. Bxe5 Ne4 13. Nxe4 dxe4 14. Qa4 Bf6 15. Bxf6 Qxf6 16. dxc5 bxc5 17. Qb5 Qb6 18. Rc2 Rac8 19. Rfc1 Rfd8 20. g3 g6 21. b3 Rd5 22. b4 Bc6 23. Qa6 Bb7 24. Qa3 Rcd8 25. bxc5 Qf6 26. c6 Ba8 27. c7 Rf8 28. Qxa7 Qe5 29. Rc5 Qb2 30. R5c2 Qe5 31. Qb6 h6 32. h4 Rd6 33. Qb2 Qf5 34. Rd2 Rf6 35. Bf1 g5 36. hxg5 Qxg5 37. Rd8 h5 38. Qb4 1-0

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.09"]
[Round "11"]
[White "Donner, Jan Hein"]
[Black "Van der Vliet, Fredrik"]
[Result "1-0"]
[ECO "A73"]
[BlackElo "2395"]
[PlyCount "77"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. Bf4 Re8 11. Nd2 Bxe2 12. Qxe2 Nh5 13. Be3 Nd7 14. g4 Nhf6 15. h3 h5 16. g5 Nh7 17. f4 Nb6 18. a4 Qd7 19. Kg2 Bxc3 20. bxc3 Nxa4 21. c4 a6 22. Qd3 b5 23. Rfb1 b4 24. Re1 Nc3 25. e5 dxe5 26. Bxc5 e4 27. Nxe4 Qf5 28. Nf2 Rxe1 29. Rxe1 Qxd3 30. Nxd3 a5 31. Bd4 Na2 32. c5 Nf8 33. c6 Rc8 34. Ne5 b3 35. Nd7 Nb4 36. Re8 Rxe8 37. Nf6+ Kh8 38. Nxe8+ Kg8 39. c7 1-0

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.07"]
[Round "10"]
[White "Stehouwer, Coen"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "E54"]
[PlyCount "84"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 0-0 8. 0-0 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Ne5 Be7 12. Re1 Nc6 13. Ba6 Qc8 14. Qf3 Na5 15. Bxb7 Qxb7 16. Qxb7 Nxb7 17. Nc6 Bd6 18. Rac1 Rfe8 19. b4 Nd7 20. Rc2 a6 21. Rec1 f6 22. Be3 Bf8 23. d5 Nd8 24. dxe6 Rxe6 25. Nd4 Re5 26. Bf4 Re8 27. Nd5 Re4 28. Be3 Re5 29. Nc7 Ra7 30. Nf3 Re4 31. Rd1 Re7 32. h3 Ne6 33. Nd5 Re8 34. Nxb6 Nxb6 35. Bxb6 Rb7 36. Bc5 Nxc5 37. bxc5 Rc7 38. c6 Rec8 39. Nd4 Bd6 40. Nf5 Bf8 41. Nd4 Bd6 42. Nb3 Bf8 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.06"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]
[ECO "E41"]
[BlackElo "2455"]
[PlyCount "67"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nd2 Qa5 11. Qb3 0-0 12. Qc2 Ne8 13. f3 f5 14. exf5 Bxf5 15. Ne4 Bxe4 16. Bxe4 Nf6 17. Bd3 e4 18. fxe4 Ng6 19. 0-0 Ng4 20. Rf5 N4e5 21. Be2 Ne7 22. Rg5 Rf6 23. Be3 h6 24. Rg3 Raf8 25. Rf1 Qd8 26. Rxf6 Rxf6 27. Qd2 N7g6 28. h4 Qf8 29. Bxh6 gxh6 30. h5 Kh7 31. hxg6+ Rxg6 32. Rxg6 Kxg6 33. Qe3 Qf6 34. Qh3 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.05"]
[Round "8"]
[White "Boersma, Paul"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2335"]
[PlyCount "100"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. e3 0-0 5. Bd3 d5 6. a3 dxc4 7. Bxh7+ Nxh7 8. axb4 e5 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 Nc6 12. 0-0 exd4 13. exd4 Qf6 14. Qxf6 Nxf6 15. b5 Nxd4 16. Ra4 c6 17. bxc6 Nxc6 18. Rxc4 Rfe8 19. Rd1 Rad8 20. Rxd8 Rxd8 21. Rc5 Rd7 22. Bg5 Ne8 23. Rd5 Rxd5 24. Nxd5 f6 25. Be3 Kf7 26. Kf1 Ke6 27. Nc3 Nd6 28. Ke2 Nc4 29. Bc1 a6 30. Kd3 N4e5+ 31. Ke4 f5+ 32. Ke3 Na5 33. Ke2 Nb3 34. Bf4 Nc4 35. Nd1 b5 36. Kd3 a5 37. Kc3 Nc5 38. f3 Kd5 39. Ne3+ Nxe3 40. Bxe3 b4+ 41. Kc2 a4 42. g4 Ne6 43. Kd3 f4 44. Bd2 Nd4 45. Bxb4 Nxf3 46. Bc3 Ne5+ 47. Bxe5 Kxe5 48. h4 f3 49. g5 Kf5 50. Ke3 Kg4 0-1

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.04"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Van der Sterren, Paul"]
[Result "1/2-1/2"]
[ECO "D40"]
[BlackElo "2440"]
[PlyCount "98"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 a6 7. cxd5 exd5 8. dxc5 Bxc5 9. b4 Ba7 10. b5 axb5 11. Nxb5 Bb8 12. Be2 0-0 13. 0-0 Ne4 14. Bb2 Re8 15. Qc2 Bg4 16. Rfd1 Re6 17. g3 Rg6 18. Nc3 Nxc3 19. Bxc3 h5 20. e4 Bxf3 21. Bxf3 d4 22. Bxh5 Rh6 23. Be2 Qf6 24. Bd2 Rxh2 25. Rf1 d3 26. Qxd3 Rxf2 27. e5 Rxf1+ 28. Rxf1 Qxe5 29. Kg2 Qe7 30. Bd1 Rxa3 31. Bb3 Ne5 32. Qc3 Qd7 33. Bf4 Qc6+ 34. Qxc6 bxc6 35. Bxf7+ Nxf7 36. Bxb8 Rb3 37. Bf4 Rc3 38. Rd1 g5 39. Bc7 Kg7 40. g4 Kg6 41. Rd4 Kf6 42. Re4 c5 43. Kf1 Rc2 44. Ke1 Rb2 45. Ba5 Rb3 46. Kd2 Nd6 47. Bd8+ Kf7 48. Re7+ Kf8 49. Re6 Nf7 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.03"]
[Round "6"]
[White "Kuijf, Marinus"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "108"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Qxd5 8. Bd3 0-0 9. 0-0 Bxc3 10. bxc3 b6 11. c4 Qd6 12. Bg5 Nbd7 13. Re1 h6 14. Bh4 Bb7 15. Ne5 Nxe5 16. dxe5 Qc6 17. f3 Nd7 18. Be7 Rfe8 19. Bd6 Nc5 20. Bc2 Ba6 21. Qd4 Rac8 22. Rac1 Nb7 23. Qd3 g6 24. Bb3 Red8 25. Red1 Nxd6 26. exd6 Rd7 27. Qd2 Rcd8 28. Qxh6 Qc5+ 29. Kh1 Rxd6 30. Re1 Rd2 31. Qh4 Bb7 32. Rcd1 R8d4 33. Qg3 Rxd1 34. Bxd1 Kg7 35. Qb8 Bc6 36. Bb3 a5 37. a3 a4 38. Ba2 e5 39. h3 f6 40. Qc7+ Rd7 41. Qc8 Rd2 42. Qc7+ Kf8 43. Qh7 Rxa2 44. Qh8+ Kf7 45. Qh7+ Kf8 46. Qh8+ Ke7 47. Qg7+ Kd8 48. Qxf6+ Kc8 49. Rxe5 Qxc4 50. Kh2 Kb7 51. Rg5 Qe2 52. Qf7+ Ka6 53. Rxg6 Bxf3 54. Qc7 Qxg2+ 0-1

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.03.02"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Bohm, Hans"]
[Result "1-0"]
[ECO "E23"]
[BlackElo "2410"]
[PlyCount "75"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 0-0 9. e3 Bxc5 10. Be2 f5 11. 0-0 b6 12. g3 Bb7 13. Bf3 Qc8 14. Rac1 Ne5 15. Bxb7 Qxb7 16. Ne2 Rad8 17. Qc3 Nf7 18. b4 Be7 19. Nd4 Bf6 20. Qd3 g6 21. Qe2 e5 22. N4b3 e4 23. f4 exf3 24. Nxf3 Rfe8 25. Rfd1 Re7 26. Rd3 Rde8 27. Nbd2 Ng5 28. Nxg5 Bxg5 29. Nf1 Re4 30. Qd2 R8e7 31. a3 f4 32. gxf4 Bxf4 33. Qg2 Bh6 34. Ng3 Qc6 35. Nxe4 Rxe4 36. Kh1 Bxe3 37. Re1 Qxc4 38. Qe2 1-0

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.02.28"]
[Round "4"]
[White "Ligterink, Gert"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2430"]
[PlyCount "43"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be3 c5 7. dxc5 Qa5 8. Bd3 Ng4 9. Bd2 Qxc5 10. Qe2 Nf6 11. 0-0-0 Nc6 12. h3 Nb4 13. g4 Nxd3+ 14. Qxd3 Be6 15. Be3 Qa5 16. Kb1 Rfc8 17. Bd4 b5 18. b3 b4 19. Ne2 Bd7 20. c4 bxc3 21. Nxc3 Bc6 22. Rhe1 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.02.27"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]
[ECO "E70"]
[BlackElo "2405"]
[PlyCount "66"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 0-0 7. Nge2 e6 8. h3 exd5 9. exd5 Nbd7 10. f4 a6 11. a4 Nh5 12. 0-0 f5 13. Be3 Re8 14. Bf2 Nf8 15. Qd2 Bd7 16. Ra3 a5 17. Kh1 b6 18. Ng1 Ra7 19. Be2 Nf6 20. Bh4 Bc8 21. Nf3 Rae7 22. Bd3 N8d7 23. Rg1 Nb8 24. Raa1 Na6 25. Raf1 Nb4 26. Bb1 Kh8 27. Nh2 Re3 28. Bf2 R3e7 29. g4 Rf7 30. gxf5 Bxf5 31. Bxf5 gxf5 32. Nf3 h6 33. Bh4 Qd7 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.02.26"]
[Round "2"]
[White "Timman, Jan H"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "D56"]
[WhiteElo "2620"]
[PlyCount "63"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 c6 11. Bd3 dxc4 12. Bxc4 b6 13. 0-0 Bb7 14. e4 c5 15. d5 exd5 16. exd5 Nd7 17. Rfe1 Qd6 18. Nh4 g6 19. Qe3 Kg7 20. Qe7 Qxe7 21. Rxe7 Rad8 22. Rae1 Bc8 23. f4 Nf6 24. Rxa7 Nxd5 25. f5 gxf5 26. Rd1 Be6 27. Rb7 Kf6 28. Bxd5 Bxd5 29. Rxb6+ Kg5 30. Nf3+ Bxf3 31. Rxd8 Rxd8 32. gxf3 1/2-1/2

[Event "NED-ch36"]
[Site "Leeuwarden"]
[Date "1981.02.25"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Grooten, Herman"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "97"]
[EventDate "1981.02.25"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 h6 11. g3 g5 12. Ng2 Bh3 13. Ne3 Qd7 14. f3 0-0-0 15. Rb1 h5 16. Rb2 Nh7 17. Rg1 f5 18. exf5 Nxf5 19. g4 Nxe3 20. Bxe3 hxg4 21. fxg4 Qg7 22. Bf5+ Kb8 23. Rg3 Nf6 24. Qb3 Rdf8 25. Bxg5 Rf7 26. Bxf6 Qxf6 27. Rf2 Qh4 28. Qc2 Rg7 29. g5 Bxf5 30. Qxf5 Qxc4 31. Qf6 Qe4+ 32. Kf1 Rgg8 33. Qxd6+ Ka8 34. g6 Qb1+ 35. Kg2 Qe4+ 36. Kg1 Qe1+ 37. Rf1 Qe2 38. h3 Rc8 39. g7 Rxh3 40. Rxh3 Qg4+ 41. Kf2 Qxh3 42. Qf8 Qh2+ 43. Ke3 Qg3+ 44. Kd2 Qg2+ 45. Kc1 Qg5+ 46. Kc2 Qg2+ 47. Kb1 Kb8 48. Qd6+ Ka8 49. Rf8 1-0

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "4"]
[White "Bednarski, Jacek B"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2380"]
[PlyCount "17"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. Ne2 d5 3. e5 c5 4. d4 Nc6 5. c3 e6 6. a3 Qb6 7. b4 cxb4 8. cxb4 a5 9. Qa4 1/2-1/2

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Farago, Ivan"]
[Result "1/2-1/2"]
[ECO "E55"]
[BlackElo "2535"]
[PlyCount "36"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[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. e3 0-0 5. Bd3 c5 6. Nf3 d5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4 11. exd4 Bxc3 12. bxc3 Qc7 13. Bd2 Bb7 14. Re1 Rad8 15. Qe2 Nd5 16. Qe4 N5f6 17. Qe2 Nd5 18. Qe4 N5f6 1/2-1/2

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Karlsson, Lars"]
[Result "1/2-1/2"]
[ECO "E41"]
[BlackElo "2465"]
[PlyCount "58"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[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. e3 c5 5. Bd3 0-0 6. Nf3 Nc6 7. 0-0 Bxc3 8. bxc3 d6 9. e4 e5 10. h3 h6 11. Qe2 Re8 12. dxc5 dxc5 13. Ne1 Qa5 14. Bd2 Ne7 15. Kh2 Ng6 16. g3 Qc7 17. f3 Rd8 18. f4 exf4 19. gxf4 Qd7 20. Rf3 b5 21. Rd1 Bb7 22. Ng2 bxc4 23. Bc2 Qc6 24. Re3 Re8 25. Re1 Rad8 26. Bc1 Qc7 27. e5 Bxg2 28. exf6 Rxe3 29. Qxe3 Bd5 1/2-1/2

[Event "BBC TV Master Game Group B"]
[Site "London"]
[Date "1981.??.??"]
[Round "2"]
[White "Donner, Jan Hein"]
[Black "Miles, Anthony John"]
[Result "1/2-1/2"]
[ECO "E59"]
[WhiteElo "2475"]
[BlackElo "2590"]
[PlyCount "90"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "ENG"]
[EventCategory "13"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Qc2 Re8 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f3 Bd7 16. a4 Rad8 17. Re1 Bc6 18. e4 Nd5 19. Bd2 Nf4 20. Bf1 Ne6 21. Be3 h5 22. g3 h4 23. Bf2 Ng5 24. Bg2 Qe6 25. Bxc5 Nh3+ 26. Bxh3 Qxh3 27. Qg2 Qxg2+ 28. Kxg2 Rd2+ 29. Kh3 hxg3 30. hxg3 Re5 31. Bxa7 Rh5+ 32. Kg4 Rh6 33. Bd4 f6 34. Rad1 Rg2 35. Kf4 g5+ 36. Ke3 Rxg3 37. Rg1 Rxg1 38. Rxg1 Bxa4 39. e5 fxe5 40. Rxg5+ Kf7 41. Bxe5 Rh3 42. Kf2 Bc6 43. f4 Ke6 44. Ke2 Be4 45. Bd4 Bf5 1/2-1/2

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Ost Hansen, Jacob"]
[Result "1-0"]
[ECO "E69"]
[PlyCount "83"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[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 Qb6 10. Re1 Re8 11. d5 Nc5 12. Rb1 a5 13. Bf1 Bd7 14. Be3 Qc7 15. Nd2 Rec8 16. Qf3 Qb8 17. Rec1 cxd5 18. cxd5 b5 19. b3 a4 20. b4 Na6 21. Qe2 Nc7 22. g4 Qb7 23. Qd3 h5 24. g5 Nh7 25. f4 f6 26. gxf6 Bxf6 27. fxe5 dxe5 28. d6 Ne6 29. Nd5 Rxc1 30. Nxf6+ Nxf6 31. Rxc1 Rc8 32. Rxc8+ Qxc8 33. Nf3 Bc6 34. Qc3 Nxe4 35. Qxe5 Qd7 36. Nd4 Nxd4 37. Bxd4 Nxd6 38. Bd3 Nf5 39. Qh8+ Kf7 40. Qf6+ Ke8 41. Qxg6+ Kd8 42. Bb6+ 1-0

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "8"]
[White "Donner, Jan Hein"]
[Black "Pedersen, Jens Otto"]
[Result "1/2-1/2"]
[ECO "A89"]
[PlyCount "41"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Nc6 8. d5 Na5 9. Qa4 c5 10. dxc6 bxc6 11. Nd4 Bd7 12. Nxc6 Nxc6 13. Bxc6 Bxc6 14. Qxc6 Rc8 15. Qa4 Qd7 16. b3 d5 17. Qxd7 Nxd7 18. Bd2 dxc4 19. Rac1 Nb6 20. Nb1 cxb3 21. axb3 1/2-1/2

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "6"]
[White "Donner, Jan Hein"]
[Black "Poulsen, Allan"]
[Result "1-0"]
[ECO "D76"]
[BlackElo "2400"]
[PlyCount "75"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nc6 7. Nc3 Nb6 8. e3 0-0 9. 0-0 e5 10. d5 Na5 11. e4 c6 12. h3 cxd5 13. exd5 Re8 14. Re1 Nac4 15. a4 a5 16. Qb3 Bd7 17. Nd2 Qc8 18. Bf1 Nxd2 19. Bxd2 Qd8 20. Rad1 Nc8 21. Nb5 Bf8 22. Rc1 Bd6 23. Nxd6 Nxd6 24. Be3 Nf5 25. Bc5 Rb8 26. Bb6 Bxa4 27. Bxd8 Bxb3 28. Bc7 Ra8 29. d6 Nd4 30. Bg2 Ba4 31. Bxb7 Rab8 32. Bxb8 Rxb8 33. Bg2 Rxb2 34. Rc8+ Kg7 35. Rxe5 Bd7 36. Rc7 Bxh3 37. d7 Rd2 38. d8Q 1-0

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "2"]
[White "Iskov, Gert"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "C29"]
[WhiteElo "2395"]
[PlyCount "87"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Nxc3 6. bxc3 c5 7. Nf3 d4 8. Be2 Nc6 9. 0-0 Be7 10. Qe1 g5 11. Qf2 Be6 12. cxd4 g4 13. d5 Qxd5 14. Ng5 Bxg5 15. Bxg5 Rg8 16. c4 Qxe5 17. Bf6 Qd6 18. Qe3 Kd7 19. Rad1 Nd4 20. Be5 Qb6 21. Rb1 Nxe2+ 22. Qxe2 Qc6 23. Bg3 Rae8 24. d4 cxd4 25. Qe5 b6 26. Rbd1 Ke7 27. Qxd4 Rg6 28. Bd6+ Kd7 29. Bf4+ Kc8 30. c5 bxc5 31. Qe5 Kb7 32. Rb1+ Ka6 33. Qc3 Qe4 34. Qxc5 Bc4 35. Rb4 Qc6 36. Rxc4 Qxc5+ 37. Rxc5 Re2 38. Rf2 Re1+ 39. Rf1 Re2 40. a3 Rb6 41. Re5 Rc2 42. Be3 Rbb2 43. Rf6+ Kb7 44. Re7+ 1-0

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "7"]
[White "Jansa, Vlastimil"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2495"]
[PlyCount "178"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Qd2 e5 9. dxe5 dxe5 10. Rad1 Qc8 11. Qc1 Rd8 12. Rxd8+ Qxd8 13. Rd1 Qf8 14. h3 Bxf3 15. Bxf3 a6 16. Nb1 Rd8 17. Rxd8 Qxd8 18. Nd2 Bf8 19. c3 Nd7 20. b4 a5 21. a3 axb4 22. axb4 Nb6 23. Be2 Qa8 24. Qb2 Qa4 25. Nc4 Nxc4 26. Bxc4 Qd1+ 27. Kh2 Qd7 28. Qa2 Kg7 29. Qa4 Qe7 30. Qa8 Nd8 31. Qc8 b6 32. Bd5 Qd6 33. c4 c6 34. c5 bxc5 35. bxc5 Qf6 36. Bb3 Be7 37. Qd7 Ne6 38. Bxe6 Qxe6 39. Qxe6 fxe6 40. Kg1 Kf7 41. Kf1 Bd8 42. Ke2 Ke8 43. Kd3 Kd7 44. Bd2 Kc8 45. Kc4 Kb7 46. Bh6 Kc8 47. Bg7 Bc7 48. Kb4 Kd7 49. Ka4 Kc8 50. g3 Kd7 51. Bf6 Kc8 52. Bg5 Kd7 53. Bd2 Kc8 54. Bc3 Kb7 55. Kb4 Kc8 56. Kc4 Kd7 57. Kd3 Kc8 58. Bd2 Kd7 59. Ke2 Ke8 60. Bc3 Kf7 61. Kf3 Kf6 62. Kg4 Bd8 63. h4 Be7 64. Bb4 h5+ 65. Kf3 Kf7 66. Ke2 Ke8 67. Kd3 Kd7 68. Kc4 Bd8 69. Bc3 Bc7 70. Kb4 Kc8 71. Bd2 Kd7 72. Ka4 Kc8 73. Bg5 Kd7 74. Bh6 Kc8 75. Bf8 Kd7 76. Kb4 Ke8 77. Bg7 Kd7 78. Bf6 Kc8 79. Bg5 Kb7 80. f3 Kc8 81. Bd2 Kb7 82. Kc4 Ka6 83. Bg5 Kb7 84. Be7 Kc8 85. Bd6 Kd7 86. Bxc7 Kxc7 87. f4 Kb7 88. fxe5 Ka6 89. Kb4 Kb7 1/2-1/2

[Event "BBC TV Master Game Group B"]
[Site "London"]
[Date "1981.??.??"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2610"]
[BlackElo "2475"]
[PlyCount "173"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "ENG"]
[EventCategory "13"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Ne4 8. Bxe7 Qxe7 9. Qc2 Bf5 10. Nge2 Nd7 11. Ng3 Nxg3 12. hxg3 Bxd3 13. Qxd3 g6 14. b4 a6 15. a4 Nf6 16. Rb1 Ne4 17. Nxe4 dxe4 18. Qc3 0-0 19. 0-0 Rfd8 20. Qc5 Qxc5 21. bxc5 Rd7 22. g4 Re8 23. Rb3 Kg7 24. Kh2 g5 25. Kg3 Kg6 26. f3 exf3 27. gxf3 h5 28. gxh5+ Kxh5 29. Rfb1 Ree7 30. f4 f5 31. Rh1+ Kg6 32. fxg5 Kxg5 33. Kf3 Rh7 34. Rbb1 Rde7 35. Rbg1+ Kf6 36. a5 Rd7 37. Ke2 Rde7 38. Kd3 Rd7 39. Rf1 Ke6 40. Rhg1 Rdg7 41. Rxg7 Rxg7 42. Rh1 Rf7 43. Rh6+ Rf6 44. Rh4 Rf7 45. Rh6+ Rf6 46. Rh2 Rf7 47. Kc4 Kf6 48. Rh1 Re7 49. Kd3 Kg5 50. Rg1+ Kf6 51. Rg8 Rh7 52. Rb8 Rd7 53. Ke2 Rh7 54. Kf3 Rh3+ 55. Kf4 Rh4+ 56. Kg3 Rh7 57. Rf8+ Kg5 58. Kg2 Re7 59. Kf3 Kg6 60. Rd8 Kf6 61. Rd6+ Kg5 62. Rd8 Kf6 63. Rh8 Kg6 64. Rh1 Kg5 65. Rf1 Kf6 66. Ke2 Kg5 67. Kd3 Kg4 68. Rf2 Kg5 69. Rg2+ Kf6 70. Rh2 Kg5 71. Rg2+ Kf6 72. Re2 Kg5 73. Re1 Kf6 74. Rb1 Rd7 75. Kc4 Re7 76. Rb3 Kg5 77. d5 Re4+ 78. Kd3 cxd5 79. Rxb7 Rc4 80. Rc7 Kf6 81. Rc6+ Ke5 82. Rxa6 Rxc5 83. Ra8 Kd6 84. a6 Kc7 85. Rf8 Ra5 86. a7 Kb7 87. a8Q+ 1-0

[Event "BBC TV Master Game Group B"]
[Site "London"]
[Date "1981.??.??"]
[Round "1"]
[White "Schmid, Lothar"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2530"]
[BlackElo "2475"]
[PlyCount "100"]
[EventDate "1981.??.??"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "ENG"]
[EventCategory "13"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. c4 c5 3. Ne2 e5 4. d3 Nc6 5. Nbc3 g6 6. g3 Bg7 7. Bg2 Nge7 8. 0-0 0-0 9. a3 a6 10. Rb1 Rb8 11. b4 cxb4 12. axb4 b5 13. cxb5 axb5 14. h3 Be6 15. Nd5 Qd7 16. Kh2 Bxd5 17. exd5 Nd4 18. Nxd4 exd4 19. Ra1 Nc8 20. Bf4 Nb6 21. Ra6 Be5 22. Bh6 Rfc8 23. f4 Bf6 24. f5 Be5 25. Qg4 Rc7 26. h4 Kh8 27. Kh3 Rg8 28. f6 Rb8 29. Be4 Rc2 30. Qxd7 Nxd7 31. Bg7+ Kg8 32. Ra7 Rd8 33. h5 Re2 34. hxg6 hxg6 35. Kh4 Rh2+ 36. Kg4 Rh7 37. Rb7 Rxg7 38. fxg7 f5+ 39. Bxf5 gxf5+ 40. Rxf5 Bxg7 41. Rg5 Ne5+ 42. Kf5 Rf8+ 43. Ke4 Nf7 44. Rf5 Re8+ 45. Kf3 Ne5+ 46. Ke2 Bh6 47. Rf6 Be3 48. Rxd6 Rf8 49. Kd1 Rf1+ 50. Kc2 Rc1+ 1/2-1/2

[Event "Svendborg"]
[Site "Svendborg"]
[Date "1981.??.??"]
[Round "9"]
[White "Sloth, Jorn"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2380"]
[PlyCount "22"]
[EventDate "1981.07.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "7"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. cxd5 cxd5 5. d4 Nc6 6. Bf4 e6 7. e3 Bd6 8. Bxd6 Qxd6 9. Be2 e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 1/2-1/2

[Event "Groningen/Amsterdam"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[ECO "E41"]
[BlackElo "2455"]
[PlyCount "113"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[EventCategory "5"]
[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 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 h6 11. f4 Ng6 12. Nxg6 fxg6 13. 0-0 0-0 14. f5 b5 15. cxb5 c4 16. Bc2 gxf5 17. exf5 Qb6+ 18. Kh1 Qxb5 19. a4 Qa6 20. Rf3 e4 21. Rg3 Kh8 22. Be3 Bxf5 23. Bd4 Rf7 24. Qe2 Re8 25. Bb3 Qc8 26. Qxc4 Nh5 27. Re3 Qd8 28. Qe2 Qg5 29. Rf1 Ref8 30. Bc4 Nf4 31. Qf2 Nd3 32. Qg3 Bg6 33. Rxf7 Rxf7 34. h3 Qxg3 35. Rxg3 Kh7 36. Kg1 Bf5 37. Bb5 Rc7 38. Re3 Re7 39. a5 Rf7 40. a6 Rc7 41. g4 Bg6 42. h4 h5 43. gxh5 Bf5 44. Kh2 Kh6 45. Rg3 Ne1 46. Be3+ Kh7 47. c4 Nf3+ 48. Kg2 Rf7 49. Kf2 Ne5 50. Ke2 Bg4+ 51. Kd2 Bxh5 52. Kc3 Be2 53. Kb4 Rc7 54. Bd4 Nf3 55. Be3 Ne5 56. Bd4 Nf3 57. Be3 1/2-1/2

[Event "Groningen/Amsterdam"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Van der Sterren, Paul"]
[Result "1-0"]
[ECO "E45"]
[BlackElo "2410"]
[PlyCount "77"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[EventCategory "5"]
[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 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Nf4 d5 8. Qf3 c6 9. b3 Qc7 10. Bb2 0-0 11. g4 dxc4 12. bxc4 Nbd7 13. g5 Ne8 14. Ne4 Nd6 15. Nxd6 Bxd6 16. Bd3 Rfe8 17. Nh5 e5 18. 0-0 Nf8 19. Ng3 Ng6 20. Qh5 Rad8 21. Rfe1 Qd7 22. Rac1 exd4 23. exd4 Bf4 24. Rcd1 Rxe1+ 25. Rxe1 Re8 26. Ne4 Rd8 27. Bf1 Bc8 28. Bg2 Qf5 29. d5 cxd5 30. cxd5 h6 31. h4 Qg4 32. Ng3 Qxh5 33. Nxh5 hxg5 34. Bxg7 Nxh4 35. Bf6 Nxg2 36. Kxg2 Rxd5 37. Nxf4 gxf4 38. Rh1 f3+ 39. Kg3 1-0

[Event "Groningen/Amsterdam"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "2"]
[White "Ligterink, Gert"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2455"]
[PlyCount "85"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[EventCategory "5"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 exd5 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. 0-0 0-0 11. Qb3 Nb6 12. Re1 Re8 13. Bg5 Qd7 14. Ne5 Qf5 15. Bxf6 Bxf6 16. Nxd5 Bxe5 17. dxe5 Nxd5 18. Qxd5 Re7 19. Rad1 Rae8 20. Qc5 h5 21. Rd5 b6 22. Qd4 Re6 23. h3 Kh7 24. Re3 R8e7 25. a3 Rc7 26. Rc3 Rxc3 27. bxc3 g6 28. a4 a6 29. c4 Kg7 30. a5 bxa5 31. Rxa5 f6 32. f4 h4 33. Rd5 Qb1+ 34. Kh2 Qe1 35. Qa7+ Kh6 36. Rd3 fxe5 37. Qf7 exf4 38. Qf8+ Kg5 39. Rd5+ Re5 40. Qe7+ Kf5 41. Qf8+ Kg5 42. Qd8+ Kf5 43. Qd7+ 1/2-1/2

[Event "Groningen/Amsterdam"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "4"]
[White "Van der Sterren, Paul"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "C92"]
[WhiteElo "2410"]
[PlyCount "112"]
[EventDate "1980.??.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "NED"]
[EventCategory "5"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Re8 10. d4 Bf8 11. Ng5 Re7 12. a4 Bb7 13. d5 Na5 14. Ba2 c6 15. Na3 h6 16. Nf3 cxd5 17. exd5 bxa4 18. Qxa4 Bxd5 19. Bxd5 Nxd5 20. Nc2 Nb7 21. Qc6 Nf6 22. Rxa6 Rxa6 23. Qxa6 Nc5 24. Qe2 Qa8 25. b4 Ne6 26. c4 Rc7 27. b5 Qa4 28. Ne3 Nf4 29. Qd1 Qa2 30. Qd2 Qa8 31. Kh2 e4 32. Nd4 Nd3 33. Rf1 d5 34. Nc6 Rxc6 35. bxc6 d4 36. Nd1 Qxc6 37. Nb2 Bd6+ 38. g3 Ne5 39. Qd1 Nf3+ 40. Kg2 Qb7 41. Nd3 Ng5 42. Bxg5 exd3+ 43. Kh2 hxg5 44. Qxd3 Qe4 45. Rd1 Bc5 46. Qxe4 Nxe4 47. Kg2 Kf8 48. Kf3 Nc3 49. Rd3 Ke7 50. Kg4 Ne4 51. Kf3 Nd6 52. Rd1 Nxc4 53. Rc1 Nd2+ 54. Ke2 Ne4 55. f3 Nxg3+ 56. Kf2 Bd6 0-1

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.27"]
[Round "13"]
[White "Andersson, Ulf"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2560"]
[PlyCount "77"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nc6 5. Nf3 Nf6 6. Bf4 e6 7. e3 Bd6 8. Bd3 Bxf4 9. exf4 Qb6 10. a3 Bd7 11. Na4 Qc7 12. g3 0-0 13. 0-0 Rfc8 14. Rc1 Qd8 15. Nc5 Rc7 16. Rc3 Rac8 17. Qc2 g6 18. Rc1 Be8 19. Qd2 Qe7 20. b4 Nb8 21. Ne5 b6 22. Nb3 Ba4 23. Rxc7 Rxc7 24. Rxc7 Qxc7 25. Nc1 Ne4 26. Bxe4 dxe4 27. Ne2 f6 28. Ng4 Qd8 29. Nc3 Bc6 30. d5 exd5 31. Qd4 Kg7 32. h4 Nd7 33. Nxd5 Bxd5 34. Qxd5 Qe7 35. h5 gxh5 36. Ne3 Qe8 37. Nf5+ Kg6 38. Nd6 Qe7 39. Qg8+ 1-0

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.25"]
[Round "12"]
[White "Donner, Jan Hein"]
[Black "Stean, Michael F"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "85"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Nf4 d5 8. Qf3 c6 9. b3 Qc8 10. e4 dxe4 11. Nxe4 Nbd7 12. Nxf6+ Nxf6 13. Bb2 Bb7 14. Bd3 Qc7 15. 0-0 0-0-0 16. Rfd1 c5 17. d5 Bd6 18. g3 h5 19. Bf1 h4 20. Bg2 hxg3 21. hxg3 Rde8 22. Ne2 Kb8 23. Nc3 a6 24. Re1 exd5 25. Nxd5 Nxd5 26. cxd5 f6 27. Re3 Re7 28. Rae1 Rhe8 29. Bc1 Rxe3 30. Rxe3 Re5 31. Rxe5 Bxe5 32. a4 Qd6 33. Qd3 Qd7 34. Be3 Bd6 35. Qc2 Qe7 36. Qc4 Bxg3 37. a5 bxa5 38. Bxc5 Bd6 39. Bxd6+ Qxd6 40. Qa4 Qb4 41. Qe8+ Bc8 42. Bh3 Qc3 43. Be6 1/2-1/2

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.24"]
[Round "11"]
[White "Lein, Anatoly"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2535"]
[PlyCount "89"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. 0-0 c6 8. h3 a5 9. Be3 Nfd7 10. Qd2 Re8 11. Rad1 Qc7 12. f4 exd4 13. Bxd4 Bf8 14. g4 b5 15. Ng3 b4 16. Nce2 c5 17. Be3 Bb7 18. g5 Nb6 19. b3 N8d7 20. f5 Ne5 21. Nf4 Rad8 22. Qf2 Bc8 23. Bc1 Bg7 24. Rfe1 Nc6 25. f6 Bf8 26. Bb2 Bd7 27. Nf1 a4 28. Ne3 Be6 29. Ned5 Bxd5 30. Nxd5 Nxd5 31. exd5 Na7 32. Bf1 Qd7 33. bxa4 Qxa4 34. Bc4 Rxe1+ 35. Rxe1 Re8 36. Re6 Qd7 37. Qe2 Rb8 38. Kh2 Nc8 39. Re8 Qf5 40. Bc1 Qd7 41. Bf4 Rb6 42. Kg3 Rb8 43. h4 Rb6 44. h5 Rb8 45. hxg6 1-0

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.23"]
[Round "10"]
[White "Donner, Jan Hein"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[ECO "E66"]
[BlackElo "2440"]
[PlyCount "78"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. d5 Na5 8. Nfd2 c5 9. Nc3 a6 10. Qc2 Rb8 11. b3 b5 12. Bb2 Bh6 13. cxb5 axb5 14. e4 b4 15. Nd1 Qb6 16. Re1 Ba6 17. h3 Rbc8 18. Ne3 Bxe3 19. Rxe3 c4 20. bxc4 Nxc4 21. Nxc4 Rxc4 22. Qd2 Rfc8 23. a3 bxa3 24. Bxf6 exf6 25. Rexa3 Bb7 26. g4 Rc2 27. Qf4 Qd4 28. Rf1 Qb4 29. Rf3 R2c7 30. Ra1 Qd4 31. Rb1 Ba6 32. Ra3 Bd3 33. Rd1 Rc3 34. Rxc3 Qxc3 35. Qxd6 Qc2 36. Re1 Qd2 37. Ra1 Qb2 38. Ra7 Qb1+ 39. Kh2 Rf8 1-0

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.21"]
[Round "9"]
[White "Farago, Ivan"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2510"]
[PlyCount "76"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 e6 7. Bd3 Bd6 8. Bxd6 Qxd6 9. f4 0-0 10. Nf3 Ne8 11. 0-0 f5 12. Bb5 Bd7 13. Ne5 Nf6 14. Rc1 Rfc8 15. Bxc6 Bxc6 16. Rf2 Rc7 17. h3 Rac8 18. Rfc2 a6 19. Kh2 h6 20. Qd3 Qd8 21. a3 Be8 22. b4 Qd6 23. Nb1 Ne4 24. Qb3 Kh7 25. Nc3 Nxc3 26. Rxc3 Qd8 27. R3c2 Rxc2 28. Rxc2 Rc7 29. a4 Qc8 30. Rc5 b6 31. Rxc7 Qxc7 32. Qa3 Qc2 33. a5 bxa5 34. bxa5 Bb5 35. Kg1 Qd1+ 36. Kf2 Qd2+ 37. Kg1 Qe1+ 38. Kh2 Qf2 0-1

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.20"]
[Round "8"]
[White "Donner, Jan Hein"]
[Black "Sax, Gyula"]
[Result "0-1"]
[ECO "E60"]
[BlackElo "2590"]
[PlyCount "50"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. d5 Na5 8. Nfd2 c5 9. Na3 e6 10. Rb1 exd5 11. cxd5 a6 12. Nc2 Bd7 13. b3 Rc8 14. h3 Re8 15. Re1 c4 16. bxc4 Nxc4 17. Rb4 Nb6 18. Rd4 Na4 19. Nb1 Qb6 20. Be3 Qb2 21. Nca3 Nc3 22. Nxc3 Qxa3 23. Nb1 Qxa2 24. Bf4 Nh5 25. Rd2 Qa1 0-1

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.19"]
[Round "7"]
[White "Hort, Vlastimil"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2600"]
[PlyCount "94"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4 Be7 6. h3 0-0 7. 0-0 Nd7 8. Nc3 Nc5 9. Be3 Ne6 10. Nd5 Ncd4 11. Nxd4 exd4 12. Bd2 c6 13. Nxe7+ Qxe7 14. Ba4 Nc5 15. Bc2 Be6 16. Re1 Nd7 17. f4 f6 18. Qf3 a5 19. Qf2 c5 20. Ba4 Nb6 21. Bd1 Ra7 22. Bf3 Nd7 23. a4 b6 24. h4 Rc7 25. h5 Kh8 26. Qh4 Rg8 27. Re2 h6 28. Rf1 Re8 29. Be1 Nf8 30. Bg3 Nd7 31. Rfe1 Bf7 32. Qh2 Qf8 33. Bg4 Re7 34. b3 Rb7 35. Qh4 Bg8 36. Bf5 Bh7 37. Qg4 Bxf5 38. Qxf5 Qf7 39. Qd5 Nf8 40. Qxf7 Rxf7 41. e5 fxe5 42. fxe5 dxe5 43. Rxe5 Nd7 44. Re6 Nf6 45. R1e5 Ng4 46. Re4 Nf6 47. R4e5 Ng4 1/2-1/2

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.16"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Ree, Hans"]
[Result "0-1"]
[ECO "A64"]
[BlackElo "2480"]
[PlyCount "66"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 c5 6. d5 d6 7. Nf3 e6 8. 0-0 exd5 9. cxd5 a6 10. a4 Nbd7 11. Nd2 Re8 12. h3 Rb8 13. Nc4 Ne5 14. Na3 Nh5 15. f4 Nxg3 16. fxe5 Bxe5 17. Nc4 Bxc3 18. bxc3 b5 19. axb5 axb5 20. Ne3 Nxf1 21. Nxf1 Qh4 22. Qd3 b4 23. e4 f5 24. Qg3 Qxg3 25. Nxg3 bxc3 26. Ra3 c2 27. Rc3 fxe4 28. Rxc2 e3 29. Re2 Rb1 30. Re1 Bf5 31. Bf1 c4 32. Rxe3 Rxe3 33. Bxe3 Bxh3 0-1

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.15"]
[Round "4"]
[White "Byrne, Robert Eugene"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2535"]
[PlyCount "44"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be3 c5 7. dxc5 Qa5 8. Bd3 Ng4 9. Bd2 Qxc5 10. Qe2 Nf6 11. Be3 Qa5 12. 0-0 Bg4 13. Nd1 Nc6 14. c3 e5 15. Nf2 exf4 16. Bxf4 Ne5 17. Bxe5 Bxf3 18. Qxf3 Qxe5 19. Bc4 Rae8 20. Rae1 Qc5 21. Bb3 Re7 22. Kh1 a5 1/2-1/2

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.13"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[ECO "E41"]
[BlackElo "2535"]
[PlyCount "34"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nd2 Qa5 11. Qb3 0-0 12. f3 Nh5 13. g3 Bh3 14. Nf1 f5 15. exf5 Bxf5 16. Bxf5 Nxf5 17. Nd2 Nf6 1/2-1/2

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.12"]
[Round "2"]
[White "Torre, Eugenio"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2520"]
[PlyCount "34"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 Nbd7 9. h3 Bg6 10. Be2 a5 11. Nh4 0-0 12. Nxg6 hxg6 13. Qc2 Qe7 14. Rd1 e5 15. b3 e4 16. Bd2 Nb6 17. Bc4 Rfe8 1/2-1/2

[Event "IBM-19 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1979.07.11"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Sahovic, Dragutin"]
[Result "1/2-1/2"]
[ECO "A50"]
[BlackElo "2520"]
[PlyCount "49"]
[EventDate "1979.07.11"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "12"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d5 5. cxd5 Nxd5 6. Nf3 e6 7. e4 Nxc3 8. bxc3 Be7 9. Be3 Nd7 10. Rd1 Qc8 11. Be2 0-0 12. 0-0 Nf6 13. Bd3 c5 14. Qb1 cxd4 15. cxd4 Ba6 16. Bg5 Bxd3 17. Qxd3 Qb7 18. d5 exd5 19. exd5 Rad8 20. Bxf6 Bxf6 21. d6 Rd7 22. Qa3 Rfd8 23. Rd3 Qc6 24. Rfd1 Qc5 25. Qxc5 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.21"]
[Round "13"]
[White "Van Dop, Arend J"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2300"]
[PlyCount "69"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Nf3 Nbd7 6. Nbd2 Nb6 7. 0-0 c5 8. Nxc4 Nxc4 9. Qa4+ Bd7 10. Qxc4 Qb6 11. Rd1 Be7 12. b3 Bb5 13. Qc2 0-0 14. a4 Bc6 15. Ba3 Be4 16. Qb2 Rfc8 17. Rac1 Bf8 18. dxc5 Bxc5 19. Bxc5 Rxc5 20. Rxc5 Qxc5 21. Rc1 Qb6 22. Qd4 Qxd4 23. Nxd4 Bxg2 24. Kxg2 Kf8 25. Nb5 Ne8 26. Kf3 Ke7 27. Ke3 a6 28. Nc7 Rc8 29. Nd5+ Kd8 30. Rxc8+ Kxc8 31. Nb6+ Kc7 32. Nc4 b5 33. axb5 axb5 34. Ne5 f6 35. Nd3 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.19"]
[Round "12"]
[White "Donner, Jan Hein"]
[Black "Ligterink, Gert"]
[Result "0-1"]
[ECO "E96"]
[BlackElo "2440"]
[PlyCount "70"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nbd7 8. Re1 c6 9. Bf1 a5 10. Rb1 exd4 11. Nxd4 Re8 12. Bf4 Ne5 13. h3 Nfd7 14. Qd2 Nc5 15. Red1 Qe7 16. Be3 Ned7 17. Re1 Nf6 18. f3 Qc7 19. Bf2 b6 20. Red1 Bb7 21. Qc2 Rad8 22. a3 d5 23. cxd5 cxd5 24. Ndb5 Qf4 25. Ne2 Qe5 26. Bd4 Qe7 27. e5 Nfd7 28. Nd6 Nxe5 29. Nxe8 Rxe8 30. Nc3 Ne6 31. Bxe5 Bxe5 32. Nxd5 Qg5 33. Qf2 Bxd5 34. Rxd5 Nf4 35. Rxe5 Nxh3+ 0-1

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.17"]
[Round "11"]
[White "Langeweg, Kick"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2440"]
[PlyCount "24"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 0-0 6. Qc2 h6 7. Bxf6 Bxf6 8. e4 dxe4 9. Qxe4 c5 10. 0-0-0 Nc6 11. Bd3 g6 12. Ne5 Qxd4 0-1

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.16"]
[Round "10"]
[White "Donner, Jan Hein"]
[Black "Baljon, Christofoor"]
[Result "1-0"]
[ECO "E68"]
[BlackElo "2255"]
[PlyCount "55"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3 c6 10. e4 a6 11. h3 b5 12. c5 exd4 13. Nxd4 Nxc5 14. Nxc6 Qc7 15. Nb4 Bb7 16. Bf4 Qa5 17. Nbd5 Bxd5 18. Nxd5 Nxd5 19. Rxd5 Rac8 20. Rc1 Bf8 21. Qb1 Qb4 22. Bd2 Qa4 23. b3 Qa3 24. Rd1 Bg7 25. Bc1 Qb4 26. Rxd6 Nxe4 27. Bxe4 Rxe4 28. Ba3 1-0

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.14"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Van der Weide, Piet"]
[Result "1-0"]
[ECO "D36"]
[BlackElo "2290"]
[PlyCount "69"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 0-0 8. Nf3 c6 9. Qc2 Re8 10. 0-0 Nf8 11. Rab1 a5 12. a3 Bd6 13. Rfc1 Ng6 14. b4 axb4 15. axb4 h6 16. Bxf6 Qxf6 17. b5 Bg4 18. Nd2 Nh4 19. g3 Nf5 20. bxc6 bxc6 21. Rb6 Rec8 22. Ba6 Qg5 23. Bxc8 Rxc8 24. Nxd5 Nxg3 25. hxg3 Bxg3 26. fxg3 cxd5 27. Qxc8+ Bxc8 28. Rxc8+ Kh7 29. Nf1 h5 30. Rbb8 Kg6 31. Rb7 h4 32. Rcc7 h3 33. Rxf7 Kh6 34. Rxg7 h2+ 35. Kh1 1-0

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.13"]
[Round "8"]
[White "Timman, Jan H"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2625"]
[PlyCount "64"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Ng4 9. Be4 f6 10. h3 Nh6 11. exf6 exf6 12. Bf4 Ne7 13. Qd2 Nhf5 14. 0-0-0 Nd6 15. d5 Nxe4 16. Nxe4 c6 17. d6 Nd5 18. Bh6 Bxh6 19. Qxh6 Bf5 20. Ng3 Bxc2 21. Kxc2 Qxd6 22. Ne4 Qe6 23. Rhe1 Nb4+ 24. Kc1 Qxa2 25. Nc3 Qa1+ 26. Nb1 Qa4 27. Na3 Na2+ 28. Kb1 Nc3+ 29. bxc3 Qb3+ 30. Kc1 Qxa3+ 31. Kc2 Qa2+ 32. Kc1 Qa3+ 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.12"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[ECO "E59"]
[WhiteElo "2465"]
[BlackElo "2535"]
[PlyCount "35"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. 0-0 0-0 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Qc2 Re8 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f3 Bd7 16. a4 Rad8 17. Re1 Bc6 18. e4 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.10"]
[Round "6"]
[White "Bohm, Hans"]
[Black "Donner, Jan Hein"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2410"]
[PlyCount "63"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[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. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 b6 9. Rd1 Bb7 10. a3 Be7 11. Nf3 Bxf3 12. gxf3 Nc6 13. Rg1 Nh5 14. Bg3 Rc8 15. d5 exd5 16. cxd5 Nb8 17. Qf5 Nxg3 18. Rxg3 Bf6 19. Bd3 Re8+ 20. Kf1 g6 21. Ne4 Bg7 22. Qf4 Be5 23. Qxh6 Bxg3 24. hxg3 Rxe4 25. Bxe4 Qf6 26. Rc1 Re8 27. Qd2 a5 28. b4 axb4 29. axb4 Na6 30. Kg2 Qd6 31. Qd4 Qxb4 32. Qa1 1-0

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.09"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Hofland, Leonhard"]
[Result "1-0"]
[ECO "E62"]
[BlackElo "2295"]
[PlyCount "79"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 c6 7. Nc3 Bf5 8. Ne1 Qd7 9. e4 Bh3 10. Nd3 Bxg2 11. Kxg2 b5 12. cxb5 cxb5 13. a4 Qb7 14. f3 b4 15. Ne2 a5 16. Be3 Na6 17. Qd2 Rac8 18. Rac1 e6 19. b3 Nd7 20. g4 Rfe8 21. h4 Nab8 22. h5 Nc6 23. hxg6 hxg6 24. Ndf4 Ne7 25. Rfd1 Nb6 26. Nd3 f5 27. Nf2 Nd7 28. Ng3 Nf6 29. Bh6 Kf7 30. Bxg7 Kxg7 31. Rh1 Rh8 32. Rxh8 Rxh8 33. gxf5 exf5 34. exf5 Qd7 35. fxg6 Nxg6 36. Qg5 d5 37. Ng4 Nxg4 38. fxg4 Rc8 39. Rxc8 Qxc8 40. Nf5+ 1-0

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.08"]
[Round "4"]
[White "Van der Vliet, Fredrik"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2365"]
[PlyCount "43"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 b6 7. Nc3 Bb7 8. Ne5 Na6 9. b3 c5 10. Bb2 Qc7 11. cxd5 exd5 12. Rc1 Rad8 13. Na4 Qb8 14. dxc5 Nxc5 15. Nxc5 Bxc5 16. Nd3 Be7 17. Be5 Qa8 18. Qd2 Ne4 19. Qb2 f6 20. Bd4 Bd6 21. Rfd1 Rfe8 22. Ne1 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.07"]
[Round "3"]
[White "Donner, Jan Hein"]
[Black "Van der Wiel, John"]
[Result "1/2-1/2"]
[ECO "E60"]
[PlyCount "78"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nc6 7. d5 Na5 8. Nfd2 c5 9. Na3 e5 10. e4 a6 11. b3 Ng4 12. Nc2 f5 13. f3 Nf6 14. Ne1 b5 15. Nd3 fxe4 16. fxe4 Ng4 17. Qe2 Bh6 18. Nf3 Bxc1 19. Raxc1 Ra7 20. h3 bxc4 21. bxc4 Nf6 22. Qe3 Re7 23. Nd2 Rb7 24. Rc3 Rb6 25. Kh2 Qc7 26. g4 Qe7 27. g5 Nh5 28. Rxf8+ Kxf8 29. Bf3 Ng7 30. Rc1 Nb7 31. Rf1 Kg8 32. Bd1 Bd7 33. Bg4 Bxg4 34. hxg4 Nd8 35. Nf3 Nf7 36. Qd2 Rb8 37. Kg3 Ne8 38. Rh1 Rb7 39. Rd1 Qd8 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.06"]
[Round "2"]
[White "Ree, Hans"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "2480"]
[PlyCount "34"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. d4 Bd7 6. Nc3 Be7 7. Re1 exd4 8. Nxd4 Nxd4 9. Qxd4 Bxb5 10. Nxb5 0-0 11. Bg5 h6 12. Bh4 Ng4 13. Bxe7 Qxe7 14. h3 Ne5 15. Qc3 Nc6 16. Rad1 a6 17. Nd4 Nxd4 1/2-1/2

[Event "NED-ch34"]
[Site "Leeuwarden"]
[Date "1979.03.05"]
[Round "1"]
[White "Donner, Jan Hein"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]
[ECO "D25"]
[BlackElo "2395"]
[PlyCount "62"]
[EventDate "1979.03.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. 0-0 Nbd7 8. b3 Bd6 9. Bb2 c6 10. Nbd2 Qe7 11. Be2 Ba3 12. Bxa3 Qxa3 13. e4 0-0 14. Nc4 Qe7 15. Nfe5 Bxe2 16. Qxe2 c5 17. Nxd7 Nxd7 18. Rad1 Rfd8 19. Qe3 cxd4 20. Rxd4 Nb6 21. Nxb6 axb6 22. Rfd1 h6 23. a4 Rac8 24. e5 Rxd4 25. Qxd4 Qc5 26. Qe4 Qc6 27. Qe2 Qc7 28. Rd6 Qc1+ 29. Kh2 Qf4+ 30. g3 Qf5 31. Kg2 b5 1/2-1/2

[Event "BBC TV Master Game"]
[Site "London"]
[Date "1979.??.??"]
[Round "1.1"]
[White "Browne, Walter Shawn"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2540"]
[BlackElo "2465"]
[PlyCount "82"]
[EventDate "1979.??.??"]
[EventType "k.o."]
[EventRounds "3"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Qd2 e5 9. dxe5 dxe5 10. Rad1 Qc8 11. Qc1 Rd8 12. Rxd8+ Qxd8 13. Rd1 Qf8 14. h3 Bxf3 15. Bxf3 Rd8 16. Nb5 Qe7 17. Rxd8+ Qxd8 18. Qd1 Qb8 19. c3 a6 20. Na3 Qe8 21. Qb3 Na5 22. Qd1 b5 23. b4 Nb7 24. c4 h5 25. Qd3 c6 26. Nc2 Qe6 27. cxb5 axb5 28. Qc3 Kh7 29. Ne1 Bh6 30. Bxh6 Kxh6 31. Nd3 Nd7 32. Bd1 f6 33. a4 bxa4 34. Bxa4 Nd8 35. b5 Nb6 36. bxc6 Nxa4 37. Qc1+ Kg7 38. Qa3 Qxc6 39. Nb4 Qd7 40. Nd5 Ne6 41. Qf3 Qf7 0-1

[Event "BBC TV Master Game"]
[Site "London"]
[Date "1979.??.??"]
[Round "2.1"]
[White "Donner, Jan Hein"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[ECO "E41"]
[WhiteElo "2465"]
[BlackElo "2620"]
[PlyCount "84"]
[EventDate "1979.??.??"]
[EventType "k.o."]
[EventRounds "3"]
[EventCountry "ENG"]
[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. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. Nh4 Qa5 11. Qc2 h6 12. f3 Bd7 13. Nf5 Nxf5 14. exf5 b5 15. cxb5 c4 16. Bxc4 Rc8 17. Qb3 0-0 18. Bd2 a6 19. a4 axb5 20. Bxb5 Bxb5 21. Qxb5 Qa7 22. Qd3 Rfe8 23. Qe3 Qxe3+ 24. Bxe3 Nxd5 25. Bd2 Rc6 26. Kf2 Ra8 27. a5 Rc5 28. Rhd1 Ra6 29. Ra3 Ne7 30. f6 gxf6 31. c4 Rxc4 32. Bxh6 d5 33. Bd2 f5 34. Rc1 Rxc1 35. Bxc1 d4 36. Ke2 e4 37. g4 Nd5 38. gxf5 e3 39. f4 Nxf4+ 40. Kf3 Nd5 41. Ra4 Ne7 42. Rxd4 Rxa5 1/2-1/2

[Event "BBC TV Master Game 3rd place"]
[Site "London"]
[Date "1979.??.??"]
[Round "3.2"]
[White "Donner, Jan Hein"]
[Black "Miles, Anthony John"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2465"]
[BlackElo "2560"]
[PlyCount "94"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 b6 2. e4 Bb7 3. Nc3 e6 4. d4 Bb4 5. f3 Qh4+ 6. g3 Bxc3+ 7. bxc3 Qh5 8. Nh3 f5 9. Nf4 Qf7 10. exf5 Qxf5 11. Bd3 Qf7 12. Be4 Nc6 13. d5 exd5 14. Nxd5 0-0-0 15. Be3 Nf6 16. Nxf6 Qxf6 17. Bd4 Nxd4 18. Qxd4 Bxe4 19. Qxf6 gxf6 20. fxe4 Rde8 21. 0-0 Rxe4 22. Rxf6 Rxc4 23. Rf3 h5 24. h4 Re8 25. Raf1 Kb7 26. R1f2 Re5 27. Kg2 Rec5 28. Rd2 d6 29. Rd4 Rxd4 30. cxd4 Rd5 31. Rf4 c5 32. dxc5 bxc5 33. g4 hxg4 34. Kg3 Rd1 35. h5 Rh1 36. Kxg4 d5 37. Rf5 Kc6 38. Kg3 c4 39. Kg2 Re1 40. h6 Re8 41. h7 c3 42. Rh5 Rh8 43. Rh1 c2 44. Rc1 Rxh7 45. Rxc2+ Kb5 46. Rc3 Rf7 47. Kg3 d4 0-1

