[Event "NED-chT 8182"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Dieks, Roy G"]
[Result "1-0"]
[ECO "C14"]
[BlackElo "2270"]
[PlyCount "55"]
[EventDate "1981.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Nf3 c5 9. dxc5 Qxc5 10. Qd2 Nc6 11. 0-0-0 b5 12. Ne2 0-0 13. Ned4 Nb6 14. Nxc6 Qxc6 15. Bd3 Qc7 16. Qf2 f5 17. Rhg1 b4 18. g4 a5 19. gxf5 exf5 20. Rg2 a4 21. Rdg1 Rf7 22. Ng5 Re7 23. Qh4 h6 24. Qxh6 gxh6 25. Ne6+ Kf7 26. Nxc7 Be6 27. Rg7+ Kf8 28. Nxe6+ 1-0

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Boer, Gert Jan"]
[Black "De Savornin Lohman, A."]
[Result "1-0"]
[ECO "C06"]
[PlyCount "87"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6 9. 0-0 Bd7 10. Nf3 Be7 11. a3 a5 12. Nf4 g6 13. b3 a4 14. b4 Rc8 15. Qe2 Na7 16. h4 Bc6 17. Rb1 Nc4 18. Bxc4 dxc4 19. d5 Bxd5 20. Rd1 Nb5 21. Nxd5 exd5 22. e6 f6 23. Bb2 0-0 24. Nd4 Nxd4 25. Bxd4 Qc7 26. Rbc1 Qf4 27. Bc3 Rfd8 28. Qb2 Rc6 29. g3 Qf5 30. Re1 Rxe6 31. Rxe6 Qxe6 32. Re1 Qf7 33. Bd4 Rd6 34. Qe2 Rd7 35. Qg4 Bf8 36. Bxf6 Bg7 37. Bxg7 Kxg7 38. h5 Qf5 39. Qd4+ Qf6 40. h6+ Kf7 41. Re5 g5 42. g4 Kg6 43. Qe3 Qf4 44. Qb6+ 1-0

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Baljon, Christofoor"]
[Result "1/2-1/2"]
[ECO "A31"]
[BlackElo "2340"]
[PlyCount "32"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. f3 e6 6. c4 a6 7. Nc3 Qc7 8. Be3 Nf6 9. Rc1 d6 10. Be2 Be7 11. 0-0 0-0 12. Qd2 Nbd7 13. Rfd1 Rac8 14. Bf1 Qb8 15. Qf2 Rfe8 16. h3 g6 1/2-1/2

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Chernin, Alexander"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "113"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Qe2 Be7 8. 0-0 Ngf6 9. Nxf6+ Bxf6 10. c3 Bxf3 11. Qxf3 c6 12. Bf4 0-0 13. Rad1 Re8 14. Qe2 g6 15. Rfe1 Qa5 16. Bc4 Bg7 17. Bb3 Rac8 18. Bd6 Bf8 19. Bxf8 Kxf8 20. Qf3 Kg7 21. h4 Qf5 22. Qe4 Red8 23. Qe2 Nf6 24. g3 Rd7 25. Kg2 Rcd8 26. Qf3 Qxf3+ 27. Kxf3 Rd6 28. Bc2 h5 29. Ke2 Nd5 30. Bb3 b5 31. Kd3 Nf6 32. Ke3 a5 33. a3 a4 34. Bc2 Nd5+ 35. Ke2 Nb6 36. Bd3 Nc4 37. Bxc4 bxc4 38. Rd2 Rd5 39. Red1 Kf6 40. Ke3 Kf5 41. f3 f6 42. Rg1 e5 43. Rh1 Re8 44. Kf2 Rb8 45. Ke3 exd4+ 46. cxd4 Rb3+ 47. Ke2 c3 48. bxc3 Rxc3 49. Rd3 Rc2+ 50. Rd2 Rxd2+ 51. Kxd2 Rxd4+ 52. Kc3 Rd5 53. Rb1 Rc5+ 54. Kd4 Rc2 55. Rb6 c5+ 56. Kd3 Ra2 57. g4+ 0-1

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Duer, Arne"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "49"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Na3 Nf6 7. Nb5 Qd8 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Bf4 Nd5 11. Bd6 Bxd6 12. Nxd6 Ke7 13. Nxc8+ Raxc8 14. g3 Rhd8 15. Bg2 Nb6 16. Ke2 Na4 17. Rab1 Rd7 18. Rhd1 Rcd8 19. Rxd7+ Rxd7 20. Nd2 Ne5 21. Be4 h6 22. Bc2 Nb6 23. f4 Nc6 24. Nf3 Rd6 25. Rd1 1/2-1/2

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Enklaar, Bert F"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "2395"]
[PlyCount "52"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 c4 7. b4 cxb3 8. Qxb3 Na5 9. Qc2 Qc7 10. Bd3 h6 11. 0-0 Ne7 12. Be3 Nc8 13. Nbd2 Nb6 14. a4 Be7 15. Kh1 Rc8 16. Rfc1 0-0 17. Ng1 Nbc4 18. Ne2 Be8 19. Ra2 f5 20. exf6 Rxf6 21. Nxc4 Nxc4 22. Bxc4 Qxc4 23. Bf4 Bg6 24. Qd2 Rf7 25. Bg3 Bg5 26. Bf4 Rxf4 0-1

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Schiffer, Karl Josef"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "145"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 Bg4 9. f3 Bh5 10. 0-0 Bg6 11. b3 d5 12. c5 Nc8 13. Bxg6 hxg6 14. Nf4 Bf6 15. Re1+ N8e7 16. Nfxd5 Bxd4+ 17. Be3 Bxc3 18. Nxc3 0-0 19. Bg5 f6 20. Bf4 Qc8 21. b4 g5 22. Bg3 Rd8 23. Qb3+ Kf8 24. Nb5 Rd7 25. Bxc7 Nf5 26. Bd6+ Nxd6 27. Nxd6 Qc7 28. Qd3 Kg8 29. f4 gxf4 30. Qc4+ Kf8 31. Qxf4 Re7 32. Qh4 Kg8 33. Rxe7 Qxe7 34. Re1 Ne5 35. Qe4 Rb8 36. Qd5+ Kf8 37. Re3 b6 38. Nc4 Qd8 39. Qxd8+ Rxd8 40. Nxe5 fxe5 41. Rxe5 bxc5 42. bxc5 Rd2 43. c6 Rc2 44. Ra5 Rxc6 45. Rxa7 Rc2 46. h3 Kg8 47. Kh2 Kh7 48. h4 Kh6 49. Kh3 Rc3+ 50. g3 Rc2 51. Ra6+ Kh7 52. h5 Rc4 53. g4 Rc3+ 54. Kh4 Rc4 55. Ra5 Kh6 56. Ra6+ Kh7 57. a4 Rb4 58. Kg5 Rc4 59. Ra5 Rb4 60. Kf5 Rb1 61. g5 Rf1+ 62. Ke6 Ra1 63. Kd5 Rh1 64. Kc6 Ra1 65. Kb6 Re1 66. Rc5 Re6+ 67. Rc6 Re1 68. a5 Rb1+ 69. Kc7 Rb5 70. a6 Ra5 71. Kb7 Rb5+ 72. Rb6 Re5 73. a7 1-0

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "De Savornin Lohman, A."]
[Black "Vogel, Jaap"]
[Result "1-0"]
[ECO "C06"]
[PlyCount "73"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 b6 6. Ne2 c5 7. c3 Bb7 8. 0-0 Qc8 9. f4 g6 10. g4 Ba6 11. Bxa6 Qxa6 12. f5 gxf5 13. gxf5 Rg8+ 14. Ng3 Nc6 15. Qh5 0-0-0 16. Qxf7 Bh6 17. Qxe6 Be3+ 18. Kh1 Rxg3 19. Qxc6+ Kb8 20. Qd6+ Kc8 21. Qc6+ Kb8 22. c4 Rg4 23. Nf3 Qxc4 24. Bxe3 Qe2 25. Rf2 Qxe3 26. Qd6+ Kc8 27. Qc6+ Kb8 28. Raf1 cxd4 29. Qd6+ Kc8 30. Qxd5 Nc5 31. Qa8+ Kc7 32. Qxa7+ Kc6 33. b4 Nd3 34. Rc2+ Nc5 35. bxc5 Rg1+ 36. Nxg1 Qe4+ 37. Rg2 1-0

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "Formanek, Edward W"]
[Black "De Savornin Lohman, A."]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2400"]
[PlyCount "94"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Bd7 8. a4 Qa5 9. Bd2 Nbc6 10. Be2 f6 11. 0-0 fxe5 12. Nxe5 Nxe5 13. dxe5 0-0 14. c4 Qc7 15. Bg5 Bc6 16. Re1 Nf5 17. Bd3 h6 18. Bc1 Rad8 19. Qh5 dxc4 20. Bxc4 Bd5 21. Bf1 Nd4 22. Bd3 c4 23. Bg6 Qc6 24. Qh3 Ne2+ 25. Kf1 Nxc1 26. Rexc1 Qc5 27. Qg3 Rxf2+ 28. Qxf2 Rf8 29. Qxf8+ Qxf8+ 30. Kg1 Qf4 31. Rf1 Qd4+ 32. Kh1 Bxg2+ 33. Kxg2 Qg4+ 34. Kh1 Qxg6 35. Rf2 Qe4+ 36. Kg1 Qxe5 37. Rd1 Qa5 38. Rd7 Qxa4 39. Rff7 Qa1+ 40. Kg2 Qc3 41. Kf1 a5 42. Rxb7 a4 43. Ra7 a3 44. Rfc7 Qb2 45. Rc8+ Kh7 46. Rca8 Qc1+ 47. Kg2 Qxc2+ 0-1

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "Haik, Aldo"]
[Black "De Savornin Lohman, A."]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2440"]
[PlyCount "123"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxc3 7. bxc3 Qxd5 8. e3 c5 9. Bb5+ Nc6 10. Qb3 Be6 11. c4 Qd8 12. 0-0 cxd4 13. Nxd4 Bd7 14. Rad1 Qc7 15. Qa3 f6 16. Bh4 Kf7 17. Bg3 Qc8 18. c5 Nxd4 19. Bxd7 Qxd7 20. Rxd4 Qe6 21. Ra4 a6 22. Rb4 Rhc8 23. Rxb7 Qd5 24. Rc7 f5 25. h3 Be5 26. Bxe5 Qxe5 27. Rxc8 Rxc8 28. Rc1 Rc6 29. Qb4 g5 30. Qc4+ Kg7 31. a4 f4 32. exf4 gxf4 33. Kf1 h5 34. Re1 Rxc5 35. Qxa6 Qf6 36. Qe2 Kf7 37. Qe4 Rf5 38. Qc4+ e6 39. Qc7+ Kg6 40. Qd6 Kf7 41. Qd7+ Qe7 42. Qxe7+ Kxe7 43. Ra1 Ra5 44. Ke2 Kf6 45. Kd3 Kf5 46. Kc4 e5 47. Kb4 Ra8 48. f3 e4 49. fxe4+ Kxe4 50. a5 h4 51. a6 f3 52. gxf3+ Kxf3 53. Kb5 Kg2 54. Ra3 Kh2 55. Kb6 Rb8+ 56. Kc7 Rf8 57. a7 Kg2 58. Rc3 Kh2 59. Kb7 Rf7+ 60. Kb8 Rf8+ 61. Rc8 Rxc8+ 62. Kxc8 1-0

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "Scheeren, Peter MJ"]
[Black "De Savornin Lohman, A."]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2360"]
[PlyCount "62"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Be2 b5 9. Qb3 Nc6 10. d5 Na5 11. Qb4 c6 12. Be3 cxd5 13. exd5 Bb7 14. Rd1 Rc8 15. 0-0 Nc4 16. Bc5 Nxb2 17. Bxe7 Nxd1 18. Bxd8 Nxc3 19. Bxf6 Nxe2+ 20. Kh1 Bxf6 21. Qd6 Kg7 22. Ne5 Rfe8 23. f4 Rcd8 24. Qb6 Bxd5 25. Qxa6 Nxf4 26. Rxf4 Bxe5 27. Rf1 Bc4 28. Rg1 Rd2 29. a4 Bd4 30. Qc6 Re6 31. Qd7 Be3 0-1

[Event "IBM-20 Meestergroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "Van der Sterren, Paul"]
[Black "De Savornin Lohman, A."]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2410"]
[PlyCount "54"]
[EventDate "1980.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "4"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Qd2 Bd7 10. Be2 f6 11. exf6 gxf6 12. dxc5 0-0-0 13. c4 dxc4 14. Bxc4 Qxc5 15. Bb3 Ne5 16. Nd4 N7c6 17. Nb5 Nf3+ 18. gxf3 Qe5+ 19. Kf1 Qxa1 20. h4 Ne5 21. Nxa7+ Kb8 22. Qe3 Bxa4 23. Bxe6 Bd7 24. Bxd7 Rxd7 25. Nb5 Rd1+ 26. Kg2 Rg8+ 27. Kh2 Qa4 0-1

