[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "4"]
[White "Cicio, Mauro"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "2225"]
[PlyCount "81"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. Bf4 Ngf6 4. Nbd2 g6 5. e3 Bg7 6. Be2 0-0 7. h3 Qe8 8. Bh2 c5 9. 0-0 b6 10. c3 Bb7 11. a4 Ne4 12. a5 Ndf6 13. Qb3 Qc6 14. Nxe4 Nxe4 15. Bb5 Qc8 16. Be2 Qc7 17. Rfd1 bxa5 18. Qa2 Qb6 19. Rdb1 Bc6 20. Qxa5 Rfb8 21. Bd3 Bf6 22. Qa2 Qb7 23. Ba6 Qb3 24. Bd3 Qxa2 25. Rxa2 a5 26. Rba1 a4 27. Bxe4 Bxe4 28. dxc5 Bd5 29. cxd6 Bxa2 30. Rxa2 Bxc3 31. dxe7 Rxb2 32. Ra1 Bb4 33. Be5 Rb3 34. Rxa4 Re8 35. Ng5 Bxe7 36. Ne4 Rb6 37. Bd4 Rc6 38. g3 f5 39. Nd2 Bf6 40. Nf3 Kf7 41. Ra7+ 1/2-1/2

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "2"]
[White "Dizdarevic, Emir"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2540"]
[BlackElo "2225"]
[PlyCount "57"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. Nc3 c6 5. e4 Qa5 6. Bd2 e5 7. Be2 Qc7 8. 0-0 Be7 9. b4 0-0 10. Qb3 Re8 11. d5 cxd5 12. cxd5 a6 13. Rfc1 Qb8 14. h3 Bd8 15. Be3 Bb6 16. Bxb6 Nxb6 17. Nd2 Re7 18. a4 Rc7 19. a5 Nbd7 20. Nc4 Ne8 21. Na4 Rxc4 22. Rxc4 b5 23. axb6 Nxb6 24. Nxb6 Qxb6 25. Rc6 Qd4 26. Qe3 Bd7 27. Qxd4 exd4 28. Rcxa6 Rb8 29. Ra7 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "7"]
[White "Koerner, Tilo"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "A04"]
[BlackElo "2225"]
[PlyCount "81"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nc6 3. d3 d6 4. Nf3 Bd7 5. Nbd2 Qc8 6. b3 Bh3 7. 0-0 Be7 8. Bb2 Bxg2 9. Kxg2 f5 10. c4 Bf6 11. Rb1 a5 12. a3 Nge7 13. Qc2 0-0 14. Ba1 Nd4 15. Bxd4 exd4 16. e4 dxe3 17. fxe3 d5 18. cxd5 Nxd5 19. Rbe1 c6 20. e4 Nb6 21. Qc5 Qc7 22. Qxf5 Rad8 23. e5 Be7 24. Qe6+ Kh8 25. d4 Nd5 26. Ne4 Rde8 27. Qh3 Qd8 28. Kh1 h6 29. e6 Kg8 30. Ne5 Rxf1+ 31. Rxf1 Rf8 32. Rf7 Nf6 33. Nxf6+ Bxf6 34. Nd7 Rxf7 35. exf7+ Kxf7 36. Qf5 Qe7 37. Ne5+ Kg8 38. Qc8+ Kh7 39. Qf5+ Kg8 40. Qc8+ Kh7 41. Qf5+ 1/2-1/2

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "3"]
[White "Prins, Lodewijk"]
[Black "Buonanno, Massimo"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2225"]
[PlyCount "111"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5 Nxe5 8. Qxe5 0-0 9. d4 Bf6 10. Qf4 Re8+ 11. Kf1 b6 12. Be3 Ba6+ 13. Kg1 Bc4 14. h4 Bxb3 15. axb3 a5 16. g4 Bxh4 17. g5 Qxg5+ 18. Qxg5 Bxg5 19. Bxg5 Nf5 20. Rd1 Re6 21. Bf4 d6 22. Rh3 Rae8 23. Kf1 h6 24. Rhd3 g5 25. Bd2 g4 26. Re1 Rxe1+ 27. Bxe1 c6 28. Nd1 Re4 29. d5 c5 30. Bc3 h5 31. Ne3 Nd4 32. Bxd4 cxd4 33. Nc4 Rf4 34. Nxd6 h4 35. Kg2 Kf8 36. Nb5 Re4 37. Nxd4 Ke8 38. Nf5 h3+ 39. Kg3 Kd7 40. Re3 Rb4 41. f3 gxf3 42. Rxf3 a4 43. Kxh3 axb3 44. Rxb3 Rf4 45. Ne3 f5 46. Kg3 Rd4 47. Nxf5 Rxd5 48. Rd3 Rxd3+ 49. cxd3 Ke6 50. Kf4 Kd5 51. Ke3 Ke5 52. Nd4 Kd5 53. Ne2 b5 54. b3 Kc5 55. Ke4 Kc6 56. Ke5 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "1"]
[White "Prins, Lodewijk"]
[Black "Duven, G."]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2225"]
[PlyCount "90"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Be7 8. Be3 Bd7 9. Qd2 Nc6 10. Be2 Rb8 11. 0-0 0-0 12. Rfd1 Nxd4 13. Bxd4 Bc6 14. Rac1 Rc8 15. b4 b6 16. Qe3 Nd7 17. Qf2 e5 18. Be3 Rb8 19. b5 Bb7 20. Nd5 Nc5 21. Rc2 axb5 22. cxb5 Ba8 23. Nxe7+ Qxe7 24. Bxc5 dxc5 25. Bc4 Rfd8 26. Rcd2 Rxd2 27. Qxd2 h6 28. a4 Qa7 29. Qd7 Qxd7 30. Rxd7 Rf8 31. Kf2 g6 32. Ke3 Kg7 33. Ra7 Kf6 34. Kd3 Kg7 35. Kc3 Kf6 36. Kb3 Kg7 37. a5 bxa5 38. Ka4 Kf6 39. Kxa5 Kg7 40. Kb6 Rb8+ 41. Kxc5 Rc8+ 42. Kb4 Rf8 43. b6 Bc6 44. Kc5 Rc8 45. Rxf7+ Kg8 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Latini, Carlos"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2225"]
[PlyCount "117"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nc3 0-0 8. Be3 Nc6 9. Qd2 Bd7 10. Be2 Rc8 11. 0-0 Nxd4 12. Bxd4 b6 13. Rac1 Bc6 14. Rfd1 Qc7 15. Nd5 Bxd5 16. cxd5 Qb7 17. Bb5 Rxc1 18. Rxc1 Rc8 19. Bc6 Qc7 20. Rc3 Nd7 21. Bxg7 Kxg7 22. Qc2 Rd8 23. Bb5 Qb8 24. b4 a5 25. a3 axb4 26. axb4 Nf6 27. Ra3 Rc8 28. Bc6 Qc7 29. b5 Nd7 30. Qa2 Nc5 31. Ra7 Qd8 32. g3 Rb8 33. Kg2 Kg8 34. Qe2 Rc8 35. f4 Rc7 36. Ra3 Rc8 37. e5 Rb8 38. Ra7 e6 39. dxe6 Nxe6 40. Rd7 Qf8 41. exd6 Rd8 42. Rxd8 Qxd8 43. Qe5 h5 44. h3 Qb8 45. g4 hxg4 46. hxg4 Qa7 47. Bd5 Qd7 48. Bc6 Qa7 49. d7 Qa2+ 50. Kg3 Qb3+ 51. Kh4 Qd1 52. Bd5 Nd8 53. Kg5 Kh7 54. Kf6 Qxg4 55. Ke7 Qh4+ 56. Qg5 Qe1+ 57. Kxd8 Qa1 58. Bxf7 Qa8+ 59. Ke7 1-0

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "8"]
[White "Prins, Lodewijk"]
[Black "Rivola, Franco"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2225"]
[PlyCount "114"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Qf3 Ne7 6. Ne2 0-0 7. Bf4 Ng6 8. Bg3 c6 9. Nd2 Na6 10. c3 Nc7 11. h4 Re8 12. h5 Nf8 13. Nf1 Nce6 14. Bxd6 Qxd6 15. Ne3 Ng5 16. Qg3 Qxg3 17. Nxg3 g6 18. Kd2 f5 19. Ne2 Ne4+ 20. Bxe4 dxe4 21. hxg6 hxg6 22. g3 Be6 23. b3 Kg7 24. c4 Rad8 25. Kc3 Nh7 26. Rad1 Nf6 27. Nf4 Bf7 28. a4 Rh8 29. a5 Rxh1 30. Rxh1 Ng8 31. b4 Ne7 32. Rd1 g5 33. Ne2 Bh5 34. g4 f4 35. gxh5 fxe3 36. fxe3 Nf5 37. Rg1 Kh6 38. Rh1 Nxe3 39. Ng3 Re8 40. Re1 Ng2 41. Rxe4 Rxe4 42. Nxe4 Kxh5 43. d5 cxd5 44. cxd5 Kg6 45. Kd4 Nf4 46. d6 b6 47. axb6 axb6 48. d7 Kf7 49. d8N+ Ke8 50. Nc6 Kd7 51. Ne5+ Ke6 52. Nxg5+ Kf5 53. Nef3 Ne2+ 54. Kc4 Nf4 55. Nf7 b5+ 56. Kd4 Ne6+ 57. Kc3 Nc7 1/2-1/2

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "5"]
[White "Prins, Lodewijk"]
[Black "Zsinka, Laszlo"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "2225"]
[BlackElo "2325"]
[PlyCount "96"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 11. Nf3 Bb7 12. d4 Nxd4 13. Bg5 Nxf3+ 14. Qxf3 Qxg5 15. Bd5 e4 16. Qb3 Bg7 17. Nxb6 axb6 18. Qxb6+ Ke7 19. Bxb7 Rb8 20. Rd1 Qf6 21. Qc5 Rxb7 22. 0-0 Rb5 23. Qc7 Qe5 24. f4 Qc5+ 25. Qxc5 Rxc5 26. c3 Nc4 27. Rf2 Rb5 28. b3 Ne3 29. Re1 Ng4 30. Rc2 Rc5 31. h3 Nf6 32. c4 Nd5 33. g3 Bd4+ 34. Kh2 Nb4 35. Rce2 Kf7 36. Rd1 Nd3 37. Red2 Ke6 38. Rxd3 exd3 39. Rxd3 Bf6 40. Re3+ Kf7 41. Re2 d5 42. cxd5 Rxd5 43. Kg2 Bc3 44. Kf2 Rd3 45. Rc2 h5 46. h4 Ke6 47. Re2+ Kd7 48. Kg2 Rd2 0-1

[Event "Cattolica op"]
[Site "Cattolica"]
[Date "1993.??.??"]
[Round "6"]
[White "Van der Zalm, Marnix"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A21"]
[BlackElo "2225"]
[PlyCount "85"]
[EventDate "1993.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 Be6 4. Bg2 Qc8 5. d3 Ne7 6. f4 Nbc6 7. a3 f6 8. b4 a6 9. Rb1 Qd7 10. e4 g6 11. Qa4 Bg7 12. b5 Nd8 13. Nd5 0-0 14. Nf3 Nxd5 15. cxd5 Bh3 16. 0-0 Bxg2 17. Kxg2 exf4 18. Bxf4 h6 19. Rb4 g5 20. Be3 f5 21. bxa6 Qxa4 22. Rxa4 Rxa6 23. Rxa6 bxa6 24. Rc1 fxe4 25. dxe4 Re8 26. Rc4 Re7 27. Ra4 Nf7 28. h3 Bc3 29. Bd2 Bb2 30. Kf2 Re8 31. Ba5 Rb8 32. Bxc7 Rc8 33. Ba5 Rc2+ 34. Nd2 Kg7 35. Rc4 Rxc4 36. Nxc4 Bd4+ 37. Kf3 Kg6 38. Ke2 h5 39. Bb4 Be5 40. Nxe5+ dxe5 41. Be7 g4 42. hxg4 hxg4 43. d6 1-0

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "5"]
[White "Cubas Pons, Juan Miguel"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "E68"]
[BlackElo "2245"]
[PlyCount "92"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nf6 3. c4 Nbd7 4. Nc3 e5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. e4 Re8 9. d5 Nc5 10. Qc2 Nh5 11. b4 Na6 12. Qb3 f5 13. Ng5 Bf6 14. Ne6 Qe7 15. exf5 gxf5 16. Bb2 Ng7 17. Rae1 Nxe6 18. dxe6 c6 19. b5 Nc5 20. Qc2 e4 21. f3 Bxe6 22. fxe4 Bxc4 23. Rxf5 Be5 24. bxc6 Nd3 25. Nd5 Bxd5 26. Qxd3 Bxc6 27. Bxe5 dxe5 28. Ref1 Rf8 29. Qc4+ Kg7 30. h4 Rac8 31. Qe2 h6 32. Qg4+ Kh7 33. Qh5 Be8 34. Rxe5 Qg7 35. Rxe8 Rcxe8 36. Rd1 Re7 37. Kh2 Rf2 38. Qc5 Ref7 39. Qxa7 Qb2 40. Rg1 Qxa2 41. Qb6 Qb2 42. Qd6 Rd2 43. Qe6 Rff2 44. Qe7+ Qg7 45. Qxg7+ Kxg7 46. Kh3 b5 0-1

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "6"]
[White "Lukov, Valentin"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2470"]
[BlackElo "2265"]
[PlyCount "111"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 c6 3. c4 Nf6 4. Nc3 Qa5 5. Bd2 e5 6. d5 Qc7 7. e4 Be7 8. Bd3 Nbd7 9. b4 0-0 10. 0-0 Re8 11. h3 Nh5 12. Re1 c5 13. a3 Nf4 14. Bf1 Ng6 15. Be3 b6 16. Rb1 Rf8 17. Qc2 Nf4 18. g3 Nh5 19. Kh2 g6 20. Bd3 Ndf6 21. Bh6 Ng7 22. bxc5 bxc5 23. Qa4 Bd7 24. Qa6 Rab8 25. Nb5 Bxb5 26. Rxb5 Rxb5 27. Qxb5 Rb8 28. Qa4 Nd7 29. Rb1 Rxb1 30. Bxb1 Ne8 31. Bd2 Bd8 32. Bc2 Nef6 33. Qb5 Kg7 34. Bc3 Nb8 35. Nd2 a6 36. Qb2 Nfd7 37. a4 f6 38. a5 Kf8 39. Ba4 Be7 40. Nb3 Kf7 41. Qe2 Nf8 42. f4 exf4 43. gxf4 Nbd7 44. Nd2 Kg8 45. Nf3 h6 46. h4 Nh7 47. Qg2 Kf7 48. Kh1 Ndf8 49. Bc2 Qd8 50. e5 Qe8 51. h5 g5 52. e6+ Kg8 53. Qg4 f5 54. Qxf5 Qxh5+ 55. Nh2 Qe8 56. Ng4 1-0

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "3"]
[White "Mikhalchishin, Adrian"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2475"]
[BlackElo "2265"]
[PlyCount "87"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd3 e5 6. h3 Be7 7. 0-0 Nbd7 8. a4 Nf8 9. Ne2 Ng6 10. Ng3 0-0 11. Re1 Re8 12. Bd2 Qc7 13. Bc3 Bf8 14. Qd2 Bd7 15. b4 Rac8 16. a5 a6 17. Bb2 c5 18. bxc5 dxc5 19. dxe5 c4 20. exf6 c3 21. Bxc3 Qxc3 22. Qxc3 Rxc3 23. Nh5 Ne5 24. Nxe5 Rxe5 25. Nxg7 Bxg7 26. fxg7 Bb5 27. Bxb5 Rxb5 28. Reb1 Rxc2 29. Rxb5 axb5 30. Rb1 Rc5 31. f4 Kxg7 32. Kf2 Kf6 33. Ke3 Ke6 34. g4 f6 35. h4 Kd6 36. g5 fxg5 37. hxg5 Kc6 38. f5 b4 39. Rxb4 Rxa5 40. Rb1 b5 41. Kf4 Ra8 42. f6 Rb8 43. Kf5 Kd7 44. Rh1 1-0

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "3"]
[White "Ochoa de Echaguen, Francisco Javier"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2435"]
[BlackElo "2245"]
[PlyCount "55"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Be7 8. c4 Ngf6 9. Nc3 a6 10. Re1 b6 11. d5 exd5 12. Nd4 Bb7 13. Nf5 Ng8 14. Bg5 Ndf6 15. Rxe7+ Nxe7 16. Nxg7+ Kf8 17. Bxf6 Qd6 18. Bxe7+ Qxe7 19. Nf5 Qf6 20. cxd5 Re8 21. Qa4 Re5 22. Qd7 Rg8 23. Qxc7 Bxd5 24. Qb8+ Re8 25. Nxd5 Qc6 26. Qf4 Rxg2+ 27. Kxg2 Qxd5+ 28. Qf3 1-0

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "4"]
[White "Panchenko, Alexander N"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2465"]
[BlackElo "2265"]
[PlyCount "47"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 Nf6 5. exd5 exd5 6. Bd3 Nc6 7. 0-0 Nb4 8. Be2 Bd6 9. c3 Nc6 10. Bd3 0-0 11. Re1 Re8 12. Rxe8+ Qxe8 13. Qe2 Qxe2 14. Bxe2 Bf5 15. Nf1 h6 16. h3 Re8 17. Be3 Bh7 18. Re1 Ne7 19. Bc1 Ng6 20. g3 Nf8 21. Bd1 Rxe1 22. Nxe1 N8d7 23. Bc2 Bxc2 24. Nxc2 1/2-1/2

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "9"]
[White "Polihroniade, Elisabeta"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2170"]
[BlackElo "2245"]
[PlyCount "92"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Bc4 b5 5. Bd3 e5 6. Nf3 Qc7 7. 0-0 Be7 8. dxe5 dxe5 9. a4 b4 10. Ne2 0-0 11. Ng3 Nbd7 12. Nf5 Nc5 13. N3h4 Rd8 14. Qf3 Be6 15. Bg5 Kf8 16. Rfd1 Ng8 17. Nxe7 Nxe7 18. Qh5 Kg8 19. Nf5 Bxf5 20. exf5 Nxd3 21. f6 Ng6 22. cxd3 Rd6 23. fxg7 f6 24. Bh6 Rad8 25. Qg4 Qd7 26. Qxb4 Rd4 27. Qb3+ Qd5 28. Qa3 Rd6 29. Be3 Nh4 30. f3 Rg4 31. Kh1 Rxg2 32. Qa2 Re2 33. Qxd5+ Rxd5 34. Bxa7 Nxf3 35. Bg1 Rxb2 36. a5 c5 37. a6 Rd8 38. a7 Ra8 39. Rf1 Nxg1 40. Rxg1 Rb7 41. Raf1 Rxg7 42. Rxf6 Rxg1+ 43. Kxg1 Rxa7 44. Re6 Ra2 45. Rxe5 Rc2 46. Re7 Rd2 1/2-1/2

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "8"]
[White "Prins, Lodewijk"]
[Black "Donaldson Akhmilovskaya, Elena"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2245"]
[BlackElo "2430"]
[PlyCount "116"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 Be7 7. Nc3 0-0 8. h3 Nd7 9. d4 exd4 10. Nxd4 Nxd4 11. Qxd4 Bf6 12. Qe3 b5 13. cxb5 Nb6 14. Bb3 axb5 15. Nd5 Nxd5 16. Bxd5 Ra6 17. 0-0 Qe7 18. Qd3 c6 19. Bb3 c5 20. Bd5 c4 21. Qc2 Be6 22. Rd1 Rc8 23. Bd2 Bxd5 24. exd5 Qb7 25. Bb4 Be5 26. a3 Raa8 27. Qd2 Qe7 28. f4 Bf6 29. Re1 Qa7+ 30. Kh2 Qd4 31. Re2 Qxd2 32. Rxd2 c3 33. bxc3 Bxc3 34. Bxc3 Rxc3 35. Rb1 Rc5 36. Rdb2 Rxd5 37. Rxb5 Rxb5 38. Rxb5 Kf8 39. Rb3 Ke7 40. g4 Ra7 41. Re3+ Kd7 42. Kg3 d5 43. f5 Kd6 44. Kf4 d4 45. Re8 Kd5 46. Rd8+ Kc4 47. Rc8+ Kd3 48. g5 Kd2 49. f6 gxf6 50. gxf6 d3 51. Re8 Ra4+ 52. Kg5 Kc3 53. Re1 d2 54. Rd1 Kc2 55. Rxd2+ Kxd2 56. Kh6 Rh4+ 57. Kg7 Rxh3 58. Kxf7 Rxa3 0-1

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Fauland, Alexander"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2265"]
[BlackElo "2450"]
[PlyCount "78"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. a3 a6 6. d4 cxd4 7. Nxd4 Qc7 8. Be3 Ne5 9. Qb3 Nfg4 10. Be2 Nxe3 11. fxe3 b6 12. 0-0 Be7 13. Rac1 Rb8 14. Qa2 Bg5 15. Nd1 Bb7 16. Qb1 Qd6 17. Nf3 Bf6 18. b4 Qc6 19. Nf2 h5 20. c5 b5 21. Rfd1 Qc7 22. h3 Nxf3+ 23. Bxf3 Bc6 24. Rd3 Qg3 25. Rcd1 Be5 26. Kf1 Rh6 27. Ke2 Rf6 28. Rh1 Qh4 29. Qf1 Bg3 30. e5 Bxe5 31. Bxc6 dxc6 32. Qg1 Bg3 33. Nd1 Rd8 34. Rd4 Rxd4 35. exd4 Rf4 36. Ne3 Rf2+ 37. Kd3 f5 38. Qb1 Qe4+ 39. Kc3 Qxe3+ 0-1

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "4"]
[White "Prins, Lodewijk"]
[Black "Heemskerk, Fenny"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2245"]
[BlackElo "2020"]
[PlyCount "112"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. g3 Bg7 4. Bg2 c5 5. dxc5 Qa5+ 6. Bd2 Qxc5 7. Bc3 Nf6 8. Ne2 Nc6 9. 0-0 0-0 10. Nd2 Bg4 11. h3 Bxe2 12. Qxe2 Nh5 13. Bxg7 Kxg7 14. Nb3 Qb6 15. Kh2 Rac8 16. c3 Nf6 17. Rad1 a5 18. Nc1 Ne5 19. Rfe1 Nc4 20. b3 Na3 21. c4 a4 22. Qe3 Qxe3 23. Rxe3 Nc2 24. Re2 Nb4 25. e5 dxe5 26. Bxb7 Rc7 27. Bg2 axb3 28. axb3 Nd7 29. Na2 Nxa2 30. Rxa2 Rb8 31. Ra3 Nc5 32. Rb1 Nd7 33. Bf3 Rxc4 34. bxc4 Rxb1 35. Ra7 Rb3 36. Bg4 Nf6 37. Rxe7 Nxg4+ 38. hxg4 Rc3 39. Rc7 Kf6 40. Kg2 e4 41. Rc5 h6 42. Kf1 Rc2 43. Ke1 Ke6 44. Rc7 f6 45. Kf1 h5 46. Rc6+ Ke5 47. g5 fxg5 48. Rxg6 Kf5 49. Rc6 Kg4 50. c5 e3 51. fxe3 Kxg3 52. Rc8 h4 53. Ke1 h3 54. Kd1 h2 55. Kxc2 h1Q 56. Re8 Qd5 0-1

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "8"]
[White "Prins, Lodewijk"]
[Black "Heemskerk, Fenny"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2265"]
[BlackElo "2025"]
[PlyCount "73"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Bc4 Bg7 4. Nf3 Nf6 5. Qe2 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Qxf3 c6 9. Nc3 Nbd7 10. Be3 e5 11. Bb3 exd4 12. Bxd4 Qc7 13. Rad1 a6 14. Qd3 Ne8 15. Bxg7 Kxg7 16. a3 Kg8 17. Qg3 Nc5 18. Ba2 a5 19. Kh2 b5 20. f3 b4 21. Ne2 Rb8 22. Nd4 Kh8 23. Bc4 Na4 24. Rb1 Nb6 25. Be2 c5 26. Nb5 Qe7 27. axb4 axb4 28. Rfd1 Rd8 29. c4 f5 30. Bd3 fxe4 31. fxe4 Qe5 32. Qxe5+ dxe5 33. Be2 Nf6 34. Nd6 Rd7 35. Ra1 Ra8 36. Rxa8+ Nxa8 37. Ra1 1/2-1/2

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Klinger, Josef"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2265"]
[BlackElo "2475"]
[PlyCount "104"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Nce7 7. Bg5 h6 8. Bh4 Be6 9. Nd2 Qd7 10. Bg3 Bg4 11. Qe3 0-0-0 12. Bxd6 Qxd6 13. Ngf3 Nf5 14. Qe5 Qd7 15. Qf4 Nf6 16. Ne5 Qe6 17. Nb3 g5 18. Qd2 Nd7 19. 0-0 Nxe5 20. dxe5 Nh4 21. Qe3 Bf3 22. Nd4 Qg4 23. Bf5+ Nxf5 24. Qxf3 Qxf3 25. Nxf3 Rhe8 26. Rfe1 c5 27. Rac1 Kc7 28. h3 Kc6 29. Rcd1 Re6 30. Kf1 Rd7 31. g3 Ne7 32. h4 g4 33. Ng1 Nf5 34. Kg2 Rde7 35. f4 gxf3+ 36. Nxf3 Rg6 37. Kf2 Nxg3 38. Rd3 Ne4+ 39. Ke3 Rg2 40. Re2 Rxe2+ 41. Kxe2 f6 42. exf6 Nxf6+ 43. Kf2 Ne4+ 44. Ke3 Nxc3+ 45. Kf4 Ne2+ 46. Kf5 d4 47. Ne5+ Kd5 48. Ng4 c4 49. Rd2 d3 50. Nxh6 Nd4+ 51. Kf6 Re6+ 52. Kg7 Nf3 0-1

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Makarichev, Sergey"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2265"]
[BlackElo "2500"]
[PlyCount "96"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Qxd5 8. d3 Nf5 9. Nc3 Qd8 10. Ne4 Be7 11. Bf4 0-0 12. Ng3 Nxg3 13. Bxg3 b6 14. Ne5 Bb7 15. a3 Nd4 16. Nc4 b5 17. Nd2 Qd7 18. Be5 Nc6 19. Nf3 f6 20. Bc3 e5 21. g3 b4 22. Bd2 bxa3 23. bxa3 Nd4 24. Bg2 Rab8 25. Nxd4 Bxg2 26. Kxg2 cxd4 27. f4 Qc6+ 28. Kg1 Bd6 29. fxe5 fxe5 30. Rb1 Rxb1 31. Qxb1 Qf3 32. Rf1 Qxf1+ 33. Qxf1 Rxf1+ 34. Kxf1 Bxa3 35. Ke2 Kf7 36. Kf3 Bb2 37. Ke4 Ke6 38. Ba5 Kd6 39. Bb4+ Kc6 40. Kxe5 Kb5 41. Bf8 a5 42. Bxg7 Kb4 43. g4 a4 44. Ke4 a3 45. Bf8+ Kc3 46. Bxa3 Bxa3 47. g5 Bf8 48. h4 Bg7 0-1

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "6"]
[White "Prins, Lodewijk"]
[Black "Soltis, Andrew E"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2245"]
[BlackElo "2410"]
[PlyCount "86"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 g6 5. h3 Bg7 6. Be2 0-0 7. Be3 Qc7 8. Qd2 b5 9. a3 Nbd7 10. 0-0 Bb7 11. Bh6 Rad8 12. Nh2 e5 13. Bxg7 Kxg7 14. f4 Qb6 15. Rad1 Rfe8 16. Kh1 exd4 17. Qxd4 Qxd4 18. Rxd4 Nc5 19. Bf3 Rd7 20. Rfd1 Rde7 21. Rxd6 Nfxe4 22. Nxe4 Nxe4 23. Bxe4 Rxe4 24. g3 Re1+ 25. Nf1 c5+ 26. Kg1 R8e2 27. R1d2 Be4 28. c3 h5 29. Rxe2 Rxe2 30. Rd2 Re1 31. Kf2 Rb1 32. h4 Kf6 33. Nh2 Kf5 34. Nf3 f6 35. Re2 Bxf3 36. Kxf3 Rd1 37. Kf2 Rd3 38. Re3 Rd2+ 39. Re2 Rxe2+ 40. Kxe2 Ke4 41. c4 bxc4 42. a4 c3 43. bxc3 c4 0-1

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "1"]
[White "Prins, Lodewijk"]
[Black "Timoscenko, Gennadij A"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "2245"]
[BlackElo "2500"]
[PlyCount "114"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. exd5 Qxd5 9. Nc3 Bb4 10. Bd2 Qd8 11. Nb5 Nc6 12. Bxb4 Nxb4 13. c3 Nbd5 14. c4 Ne3 15. Qxd8+ Kxd8 16. Rc1 a6 17. Na3 Rc8 18. Kf2 Nxf1 19. Rhxf1 Ke7 20. Rfd1 Rc7 21. Rc3 Rhc8 22. Rdc1 Ne8 23. Nd2 Nd6 24. Nab1 h5 25. b3 h4 26. Ne4 Nxe4+ 27. fxe4 Rd8 28. Ke3 Rcd7 29. c5 h3 30. gxh3 Rh8 31. Ke2 Bxh3 32. Rg3 Be6 33. Rg2 g6 34. Rc3 Rh4 35. Nd2 Bg4+ 36. Ke1 Bh5 37. c6 bxc6 38. Rxc6 Rd3 39. Rg3 Rxg3 40. hxg3 Rh2 41. Nc4 Rxa2 42. Nxe5 Re2+ 43. Kf1 Rxe4 44. Nc4 Re6 45. Rc7+ Kf6 46. Kf2 Bd1 47. Rb7 Re2+ 48. Kf1 Re7 49. Rb6+ Re6 50. Rb7 Bg4 51. Kf2 Re2+ 52. Kf1 Ra2 53. Nd6 Be6 54. b4 Ra3 55. b5 axb5 56. Ne8+ Kg5 57. Rxb5+ Kg4 1/2-1/2

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "2"]
[White "Sunye Neto, Jaime"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2480"]
[BlackElo "2245"]
[PlyCount "69"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. e3 Ne7 6. Nge2 0-0 7. 0-0 c6 8. d4 Qc7 9. b3 Rd8 10. Qd2 Nf5 11. Bb2 exd4 12. Nxd4 Nxd4 13. exd4 Nd7 14. Rfe1 Nf6 15. d5 c5 16. Nb5 Qd7 17. Re2 a6 18. Nc3 b5 19. Rae1 Re8 20. Rxe8+ Nxe8 21. Bh3 f5 22. Ne4 bxc4 23. bxc4 Bxb2 24. Qxb2 Qd8 25. Ng5 Bd7 26. Ne6 Rb8 27. Qd2 Qf6 28. Bf1 Rb2 29. Qa5 Rc2 30. Qxa6 Qc3 31. Re2 Qxc4 32. Qb7 Nf6 33. Qb8+ Ne8 34. Qd8 Rxe2 35. Qxd7 1-0

[Event "GMA op"]
[Site "Moscow"]
[Date "1989.??.??"]
[Round "7"]
[White "Sunye Neto, Jaime"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2510"]
[BlackElo "2265"]
[PlyCount "87"]
[EventDate "1989.05.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URS"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 Nc6 4. Bg2 g6 5. e3 Bg7 6. Nge2 Be6 7. d3 Qd7 8. h3 Nge7 9. a3 0-0 10. Bd2 d5 11. cxd5 Nxd5 12. Ne4 Nde7 13. Nc5 Qc8 14. Qc2 Bd5 15. e4 Be6 16. b4 Nd8 17. h4 c6 18. h5 b6 19. Nxe6 Qxe6 20. hxg6 hxg6 21. Be3 Qd6 22. Rd1 Ne6 23. Bh3 Rfd8 24. Qc4 Nf8 25. 0-0 Ne6 26. Kg2 Rf8 27. Bxe6 Qxe6 28. Qxe6 fxe6 29. d4 Rad8 30. Bg5 Kf7 31. dxe5 Bxe5 32. Rh1 Rxd1 33. Rxd1 Ke8 34. Nd4 Bxd4 35. Rxd4 c5 36. bxc5 bxc5 37. Rd6 Rf7 38. Rxe6 c4 39. Re5 Kd7 40. Rc5 Nc6 41. Rxc4 Rf8 42. Bf4 a5 43. Rc5 Re8 44. f3 1-0

[Event "GMA Baleares op"]
[Site "Palma de Mallorca"]
[Date "1989.??.??"]
[Round "7"]
[White "Vreeken, Corry"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2180"]
[BlackElo "2245"]
[PlyCount "140"]
[EventDate "1989.12.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Nf3 Qa5 5. Bd3 e5 6. h3 Be7 7. 0-0 Nbd7 8. a4 Nf8 9. Ne2 Ng6 10. Bd2 Qc7 11. Ng3 0-0 12. Re1 Be6 13. Bc3 Rad8 14. Qc1 Rfe8 15. b4 Bf8 16. Qb2 Bc8 17. Rad1 b6 18. Bf1 exd4 19. Nxd4 Nd7 20. b5 Nde5 21. Nxc6 Nxc6 22. bxc6 Re7 23. Nh5 f5 24. Bc4+ Kh8 25. Bd5 Rde8 26. exf5 Bxf5 27. Rxe7 Rxe7 28. Ng3 Be6 29. Qb3 Nf4 30. Bxe6 Rxe6 31. Bd2 Rf6 32. Bxf4 Rxf4 33. Qe3 Rf7 34. Qe8 Kg8 35. Qa8 g6 36. Ne4 Kg7 37. c4 Be7 38. Qb7 Bf8 39. Qa8 Be7 40. f3 Rf8 41. Qb7 Qxb7 42. cxb7 Rb8 43. Nxd6 Bxd6 44. Rxd6 Rxb7 45. Rc6 Kf7 46. c5 Ke7 47. cxb6 axb6 48. g4 Kd7 49. Rf6 Ke7 50. g5 b5 51. a5 b4 52. a6 Rb5 53. h4 b3 54. a7 b2 55. a8Q b1Q+ 56. Kg2 Rb2+ 57. Kg3 Qe1+ 58. Kg4 Rg2+ 59. Kf4 Qxh4+ 60. Ke3 Qxg5+ 61. Rf4 Qc5+ 62. Rd4 Qc1+ 63. Ke4 Qe1+ 64. Kd5 Qe6+ 65. Kc5 Rc2+ 66. Kb5 Qb3+ 67. Rb4 Qd3+ 68. Kb6 Qd6+ 69. Ka5 Ra2+ 70. Ra4 Qc5+ 0-1

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Van der Gracht, Wilko"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "63"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. h3 Bh5 9. Nc3 0-0 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. b3 Nxe3 14. fxe3 b6 15. e4 c6 16. b4 bxc5 17. bxc5 Qa5 18. Nxd5 Bg5 19. Bh5 cxd5 20. Bxf7+ Rxf7 21. Rxf7 Qd2 22. Qxd2 Bxd2 23. Raf1 Nc6 24. Rc7 Nxd4 25. Rff7 Be3+ 26. Kh1 Bh6 27. g4 Rf8 28. Rfd7 Nf3 29. exd5 exd5 30. e6 Re8 31. Rxa7 d4 32. c6 1-0

[Event "NED Open-ch10 Reinbouw"]
[Site "Dieren"]
[Date "1979.08.05"]
[Round "5"]
[White "Prins, Lodewijk"]
[Black "Hofland, Leonhard"]
[Result "0-1"]
[ECO "E80"]
[WhiteElo "2265"]
[BlackElo "2295"]
[PlyCount "78"]
[EventDate "1979.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. Be3 a6 7. Bd3 e5 8. Nge2 Nh5 9. d5 Nd4 10. Qd2 c5 11. 0-0 f5 12. Bg5 Bf6 13. Bxf6 Qxf6 14. f4 0-0 15. fxe5 Qxe5 16. exf5 Bxf5 17. Bxf5 Nxe2+ 18. Qxe2 Qxe2 19. Nxe2 Rxf5 20. Rxf5 gxf5 21. Rf1 Re8 22. Nc3 Re5 23. Rd1 Nf6 24. h3 Kf7 25. Kf2 Ne4+ 26. Nxe4 Rxe4 27. b3 Kf6 28. Rd3 b5 29. Rc3 Ke5 30. Kf3 bxc4 31. bxc4 Kd4 32. Ra3 Kxc4 33. Rxa6 Kxd5 34. g4 fxg4+ 35. hxg4 Re7 36. Ra8 c4 37. a4 c3 38. Rc8 Kd4 39. g5 d5 0-1

[Event "NED Open-ch10 Reinbouw"]
[Site "Dieren"]
[Date "1979.08.03"]
[Round "4"]
[White "Prins, Lodewijk"]
[Black "Lith, Rick C"]
[Result "1/2-1/2"]
[ECO "D93"]
[WhiteElo "2265"]
[PlyCount "98"]
[EventDate "1979.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. Rc1 cxd4 7. exd4 0-0 8. Nf3 Nc6 9. h3 dxc4 10. Bxc4 Na5 11. Be2 Be6 12. 0-0 Nc6 13. Qd2 Qa5 14. Rfd1 Rfd8 15. Bh6 Bh8 16. Be3 Nd5 17. Nxd5 Bxd5 18. Qxa5 Nxa5 19. b4 Nc6 20. a3 e6 21. Kf1 Bf6 22. Bg5 Bxg5 23. Nxg5 Rd7 24. Nf3 f6 25. Rc3 Rad8 26. b5 Bxf3 27. Rxf3 Nxd4 28. Rxf6 e5 29. f4 e4 30. g4 e3 31. Rc1 Re8 32. Rd1 Ree7 33. a4 b6 34. h4 Kg7 35. g5 h5 36. Ke1 Nc2+ 37. Kf1 Rxd1+ 38. Bxd1 Nd4 39. Be2 Re6 40. Rxe6 Nxe6 41. f5 gxf5 42. Bxh5 Nd4 43. Be2 f4 44. h5 f3 45. Bd3 Nb3 46. h6+ Kf8 47. g6 Nd2+ 48. Kg1 Kg8 49. g7 f2+ 1/2-1/2

[Event "Match Prins-Wells +3-1=0"]
[Site "Brighton"]
[Date "1979.??.??"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Wells, Peter K"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2265"]
[PlyCount "51"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "ENG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. f4 g6 3. Nf3 Bg7 4. Bc4 c6 5. Bb3 Nf6 6. e5 Nd5 7. d4 0-0 8. 0-0 Nc7 9. Nc3 Nd7 10. Ne2 c5 11. Ng5 d5 12. c3 cxd4 13. Nxd4 Nc5 14. Bc2 f5 15. exf6 Rxf6 16. Be3 Qd6 17. Qe2 b6 18. b4 N5e6 19. Ndxe6 Bxe6 20. Bd4 Rff8 21. Be5 Bxe5 22. fxe5 Qd7 23. Nxh7 Rxf1+ 24. Rxf1 Bg4 25. Qf2 Qe6 26. Nf8 1-0

[Event "Match Prins-Wells +3-1=0"]
[Site "Brighton"]
[Date "1979.??.??"]
[Round "4"]
[White "Prins, Lodewijk"]
[Black "Wells, Peter K"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2265"]
[PlyCount "85"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "ENG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ne2 Ngf6 6. N2g3 Nxe4 7. Nxe4 Nf6 8. Nxf6+ gxf6 9. Be3 Bf5 10. Bd3 Bxd3 11. Qxd3 Qd5 12. Qb3 Qxb3 13. axb3 a6 14. 0-0 e6 15. Bf4 0-0-0 16. Rfd1 Rd7 17. Rd3 Be7 18. Kf1 h5 19. Ke2 h4 20. h3 Rh5 21. Rad1 c5 22. Be3 cxd4 23. Rxd4 Rxd4 24. Rxd4 f5 25. Bf4 Bf6 26. Rc4+ Kd8 27. Rc7 Bxb2 28. Rxb7 e5 29. Bd2 f4 30. Rxf7 Rh6 31. Rg7 Ba3 32. c4 Be7 33. b4 Ke8 34. Rg8+ Kd7 35. Ra8 Rb6 36. Ra7+ Ke6 37. c5 Rc6 38. Kf3 Bd8 39. Ke4 Be7 40. Bc3 Bf6 41. Bb2 Bh8 42. Rh7 Bf6 43. Rh6 1-0

[Event "Match Prins-Wells +3-1=0"]
[Site "Brighton"]
[Date "1979.??.??"]
[Round "1"]
[White "Wells, Peter K"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "2265"]
[PlyCount "36"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "ENG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 c6 5. Bf4 Bf5 6. e3 Qb6 7. Qd2 Nf6 8. Nge2 Nbd7 9. Ng3 Bg6 10. Bd3 Be7 11. Nf5 Nh5 12. Nd6+ Kf8 13. Na4 Qc7 14. Nxf7 Nxf4 15. Nxh8 Nxd3+ 16. Ke2 Bf5 17. g4 Nf4+ 18. exf4 Bxg4+ 0-1

[Event "Match Prins-Wells +3-1=0"]
[Site "Brighton"]
[Date "1979.??.??"]
[Round "3"]
[White "Wells, Peter K"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2265"]
[PlyCount "79"]
[EventDate "1979.??.??"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "ENG"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 f5 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 g6 6. d4 Bg7 7. Nc3 Ne4 8. Bd2 0-0 9. Rc1 e6 10. Be1 a5 11. b3 Na6 12. Nxe4 Bxe4 13. Bc3 Qe7 14. Qd2 Rad8 15. Ne1 Ba8 16. Nd3 d5 17. c5 bxc5 18. Nxc5 Nxc5 19. dxc5 Bxc3 20. Qxc3 d4 21. Qxa5 Bxg2 22. Kxg2 e5 23. c6 e4 24. Qc5 Qf6 25. f3 Qg5 26. fxe4 Qe3 27. Qc4+ Kg7 28. exf5 Qe4+ 29. Rf3 Rxf5 30. Qd3 Qd5 31. Kg1 Re5 32. Rc4 Re6 33. Rf4 Re3 34. Qxd4+ Qxd4 35. Rfxd4 Rxd4 36. Rxd4 Rxe2 37. Rd7+ Kf6 38. Rxc7 Ke6 39. Rxh7 Rxa2 40. Rg7 1-0

[Event "NED Team-ch"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Enklaar, Bert F"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "43"]
[EventDate "1972.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Nf3 b5 5. e5 b4 6. exf6 bxc3 7. fxg7 Bxg7 8. bxc3 Bg4 9. Bd3 Nd7 10. 0-0 e5 11. h3 Bh5 12. Bf5 c5 13. Qd3 Bg6 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Bh6 Qh4 17. Rfe1 Rd8 18. Bg7 c4 19. Qf3 Bxf5 20. Qxf5 Rg8 21. Bf6 Qh6 22. Rxe5+ 1-0

[Event "NED Team-ch"]
[Site "Netherlands"]
[Date "1972.??.??"]
[Round "?"]
[White "Kuijpers, Frans"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "99"]
[EventDate "1972.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Be2 e5 5. Nf3 Qc7 6. 0-0 Be7 7. Re1 0-0 8. h3 b5 9. Bf1 Nbd7 10. b3 Nb6 11. Bb2 Nfd7 12. a4 bxa4 13. Nxa4 Nxa4 14. Rxa4 c5 15. dxe5 dxe5 16. Ra2 Bf6 17. Qa1 Re8 18. Bb5 Re7 19. Rd1 Nf8 20. Bc4 h6 21. Bc3 Be6 22. Bd5 Rae8 23. Nd2 Bc8 24. Nc4 Ne6 25. Bxe5 Bxe5 26. Qxe5 Nd4 27. Qxc7 Rxc7 28. Nd6 Rd8 29. Nxc8 Rdxc8 30. Rda1 Nb5 31. Ra5 Nd4 32. R5a2 Nb5 33. Kf1 Rd8 34. c4 Nd4 35. Rxa7 Rdd7 36. Ra8+ Kh7 37. R1a3 Re7 38. g3 Kg6 39. f4 f6 40. Kf2 Kh5 41. f5 Kg5 42. Kg2 h5 43. Kf2 h4 44. gxh4+ Kxh4 45. b4 cxb4 46. Rg3 Nxf5 47. exf5 Re2+ 48. Kxe2 Kxg3 49. Rb8 Kxh3 50. Kf3 1-0

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "10"]
[White "Hickman"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "98"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 d5 5. cxd5 exd5 6. Bg2 Nc6 7. 0-0 Bg4 8. Nc3 Bxf3 9. Bxf3 cxd4 10. Nb5 Bc5 11. Bf4 0-0 12. Qb3 Rc8 13. Rac1 Be7 14. Rfd1 Qb6 15. Bxd5 Nxd5 16. Qxd5 Rcd8 17. Qb3 Rd7 18. Na3 Qxb3 19. axb3 g5 20. Bd2 Rfd8 21. Nc4 Bf6 22. Re1 d3 23. exd3 Nd4 24. Kg2 Nxb3 25. Rc2 Rxd3 26. Bc3 Bxc3 27. Rxc3 Rxc3 28. bxc3 b5 29. Ne3 a5 30. Nf5 a4 31. Re7 Ra8 32. Re2 a3 33. Ra2 Ra5 34. Nd6 Nc1 35. Rc2 a2 36. Rxc1 a1Q 37. Rxa1 Rxa1 38. Nxb5 Rc1 39. Nd6 Kg7 40. c4 Kf6 41. Ne4+ Kf5 42. f3 Rc2+ 43. Kg1 g4 44. Nd6+ Ke6 45. Ne4 Ke5 46. Ng5 f6 47. f4+ Kf5 48. Nxh7 Rxc4 49. Nf8 Rc7 0-1

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "4"]
[White "Kalinovsky, Peter V"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "135"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. Nf3 Bd6 8. 0-0-0 Ke7 9. Nh4 Bc7 10. Nf5+ Bxf5 11. exf5 Nbd7 12. Ne4 Bb6 13. Bc4 Rhd8 14. Rhe1 Bc7 15. f4 h6 16. Bh4 Kf8 17. fxe5 Nxe5 18. Rxd8+ Bxd8 19. Bb3 Nxe4 20. Rxe4 Bxh4 21. Rxh4 Ke7 22. c3 Kf6 23. Bc2 Rd8 24. Rb4 Rd7 25. h3 h5 26. a4 a5 27. Rh4 Kg5 28. Re4 Re7 29. Rd4 h4 30. b4 axb4 31. cxb4 Rd7 32. Re4 f6 33. a5 b6 34. axb6 Rb7 35. Kb2 Rxb6 36. Kc3 Ra6 37. Kb3 Ra1 38. Rd4 Re1 39. Rd8 Re3+ 40. Kb2 Kf4 41. Rg8 Rg3 42. Rh8 Rxg2 43. Rxh4+ Ke3 44. Re4+ Kf3 45. Rd4 Rh2 46. h4 Kg3 47. Kc3 Rh3 48. Ba4 Kf2+ 49. Kc2 Nf3 50. Rc4 Rxh4 51. Rxh4 Nxh4 52. Bxc6 Nxf5 53. Kd3 Ne7 54. Bd7 f5 55. b5 f4 56. b6 Nd5 57. b7 Nb4+ 58. Ke4 Na6 59. Kxf4 Nb8 60. Bf5 Ke2 61. Ke5 g5 62. Kd6 Ke3 63. Kc7 Na6+ 64. Kb6 Nb8 65. Kc7 Na6+ 66. Kb6 Nb8 67. Be6 g4 68. Kc7 1-0

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Brodie, Alfred"]
[Result "0-1"]
[ECO "B31"]
[PlyCount "88"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 d5 6. Qa4 Nf6 7. e5 Nd7 8. Bxc6 bxc6 9. Qxc6 Rb8 10. d4 Qa5 11. e6 fxe6 12. Ng5 Qb5 13. Qxb5 Rxb5 14. Nxe6 Kf7 15. Na3 Ra5 16. Ng5+ Kg8 17. Be3 cxd4 18. cxd4 Nb6 19. Rfc1 h6 20. Nf3 Kf7 21. Nc2 Nc4 22. b3 Nxe3 23. fxe3 Bg4 24. Nb4 Bxf3 25. gxf3 Rb5 26. Nd3 Rb7 27. Rc5 e6 28. Rac1 Re8 29. Kf2 Ree7 30. b4 Red7 31. b5 Bf6 32. a4 Ke8 33. Rc6 Re7 34. Nc5 Rb6 35. Nd3 Rxc6 36. Rxc6 Kf7 37. Ke2 Rb7 38. Nc5 Re7 39. a5 e5 40. Kd3 exd4 41. exd4 Bg5 42. Ne6 Rxe6 43. Rxe6 Kxe6 44. b6 a6 0-1

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "11"]
[White "Prins, Lodewijk"]
[Black "Fell, Lloyd Stanley"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "129"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Nf4 Nf6 8. h4 Bd6 9. h5 Bf5 10. Nxf5 Qa5+ 11. Bd2 Qxf5 12. Bd3 Qg4 13. Be2 Qf5 14. Nd3 Ne4 15. Be3 Nd7 16. c3 Qa5 17. Qc2 Ndf6 18. Nc1 Be7 19. b4 Qa3 20. Bd2 Nxd2 21. Kxd2 Nd5 22. Qb3 Qxb3 23. Nxb3 0-0-0 24. Kc2 Bf6 25. Rhe1 Rhe8 26. Bf3 e5 27. Bxd5 Rxd5 28. f4 e4 29. Nc5 e3 30. Kd3 Rxh5 31. Ne4 Be7 32. Rxe3 Kd7 33. Rae1 b6 34. Ng3 Rh6 35. Rxe7+ Rxe7 36. Rxe7+ Kxe7 37. Nf5+ Ke6 38. Nxh6 gxh6 39. a4 a6 40. a5 b5 41. c4 bxc4+ 42. Kxc4 Kd6 43. f5 h5 44. Kc3 h4 45. Kd2 f6 46. Ke3 Kd5 47. Kd3 Kd6 48. Ke4 h5 49. Ke3 Kd7 50. Kf2 Kc7 51. Kg1 Kd6 52. Kh2 Kd5 53. Kh3 Kxd4 54. Kxh4 Ke5 55. Kxh5 Kxf5 56. g3 Ke6 57. Kh6 Kd6 58. g4 Kd7 59. Kh7 Kd6 60. Kg8 Ke7 61. Kg7 Ke6 62. Kf8 Kd6 63. Kf7 Ke5 64. Ke7 Kf4 65. Kxf6 1-0

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Master"]
[Result "1/2-1/2"]
[ECO "C12"]
[PlyCount "92"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nc3 e6 4. e4 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Nf3 f5 8. Qd2 Qa5 9. Ne5 Nd7 10. Nc4 Bxc3 11. bxc3 Qd5 12. Ne3 Qa5 13. Be2 Nb6 14. 0-0 Bd7 15. Rfd1 Bc6 16. f4 0-0-0 17. c4 Qxd2 18. Rxd2 Be4 19. a4 c5 20. c3 Rhg8 21. Kf2 Nd7 22. Bh5 Rg7 23. a5 Nf6 24. Bf3 Bxf3 25. Kxf3 Ne4 26. Rc2 cxd4 27. cxd4 Rxd4 28. c5 Rd2 29. Raa2 Rxc2 30. Rxc2 f6 31. g4 Rc7 32. gxf5 exf5 33. a6 Rxc5 34. axb7+ Kxb7 35. Rb2+ Kc6 36. Nxf5 Rxf5 37. Kxe4 Rh5 38. Rc2+ Rc5 39. Rg2 a5 40. Rg7 Rh5 41. Rf7 f5+ 42. Kd4 Kb5 43. Rb7+ Ka4 44. Rb2 Rh4 45. Ke5 Rh3 46. Rd2 Rh5 1/2-1/2

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Miller, Allen Lewis"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "81"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. Nd2 Be7 4. e4 d5 5. e5 Nfd7 6. Bxe7 Qxe7 7. c3 c5 8. a3 Nc6 9. Ngf3 0-0 10. Bb5 cxd4 11. cxd4 f6 12. exf6 Qxf6 13. Bxc6 bxc6 14. 0-0 c5 15. dxc5 Nxc5 16. Qc2 Nd7 17. Rfe1 e5 18. Qb3 Qf7 19. Qe3 h6 20. Rec1 e4 21. Ne1 Ne5 22. f3 Ba6 23. h3 exf3 24. Nexf3 Nxf3+ 25. Nxf3 Rae8 26. Qb3 Bc4 27. Qc3 Qf4 28. Re1 Be2 29. Qd4 Re4 30. Qxd5+ Kh8 31. Qd2 Bxf3 32. Qxf4 Rexf4 33. gxf3 Rxf3 34. Rf1 Kg8 35. Kg2 Rb3 36. Rxf8+ Kxf8 37. Rf1+ Ke7 38. Rf2 g6 39. h4 a6 40. Kf1 Ke6 41. Kg2 1/2-1/2

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "6"]
[White "Prins, Lodewijk"]
[Black "Stone, RG."]
[Result "1-0"]
[ECO "C24"]
[PlyCount "101"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Be7 4. d3 d6 5. f4 exf4 6. Bxf4 Bg4 7. Nf3 Nh5 8. Be3 Bh4+ 9. Kd2 Nd7 10. Qf1 0-0 11. Nxh4 Qxh4 12. Nb5 Qd8 13. Bb3 Nc5 14. Bxc5 dxc5 15. Qf2 c6 16. Nc3 Qd4 17. Rhf1 Be6 18. h3 b5 19. Qxd4 cxd4 20. Ne2 c5 21. Bxe6 fxe6 22. b4 e5 23. bxc5 a5 24. c3 Nf4 25. cxd4 Nxe2 26. Kxe2 exd4 27. Rxf8+ Kxf8 28. Rf1+ Ke7 29. Rf5 g6 30. Re5+ Kd7 31. Rd5+ Kc6 32. Rxd4 Kxc5 33. Ke3 Re8 34. a3 Re6 35. Rd5+ Kb6 36. e5 b4 37. axb4 axb4 38. Kd4 Rc6 39. Rd6 Rxd6+ 40. exd6 Kc6 41. Kc4 Kxd6 42. Kxb4 Kd5 43. Kc3 h6 44. d4 h5 45. Kd3 h4 46. Ke3 g5 47. Kd3 Kd6 48. Ke4 Ke6 49. d5+ Kf6 50. Kd4 Kf5 51. d6 1-0

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "13"]
[White "Prins, Lodewijk"]
[Black "Woodhams, Michael V"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "90"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 cxd4 5. 0-0 g6 6. d3 Bg7 7. Bc4 e6 8. Bf4 d6 9. c3 e5 10. Bd2 Ne7 11. cxd4 exd4 12. Qa4+ Nc6 13. Bd5 Qd7 14. Na3 Ne5 15. Qc2 0-0 16. Nc4 Nxc4 17. Qxc4 Bf6 18. Rac1 Rb8 19. Bh6 Re8 20. Qc7 Qxc7 21. Rxc7 Be6 22. Bxe6 fxe6 23. Rfc1 g5 24. f4 gxf4 25. Bxf4 Red8 26. g3 d5 27. exd5 Rxd5 28. R1c5 Rxc5 29. Rxc5 Re8 30. Rc7 e5 31. Bd2 e4 32. dxe4 Rxe4 33. Kf1 d3 34. Rd7 Bxb2 35. Rxb7 Bd4 36. Rb4 Re2 37. Rxd4 Rxd2 38. a4 Rxh2 39. Rxd3 Ra2 40. Rd8+ Kg7 41. Rd7+ Kg6 42. Rxa7 Kg5 43. a5 Kg4 44. a6 Kxg3 45. Ra8 Kh2 1/2-1/2

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "1"]
[White "Raudzins, J."]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "A87"]
[PlyCount "106"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 f5 4. Nf3 Nf6 5. g3 0-0 6. Bg2 d6 7. 0-0 e6 8. Qc2 Nc6 9. a3 e5 10. dxe5 Nxe5 11. b3 c6 12. Bb2 Nfg4 13. Rad1 Nxf3+ 14. exf3 Ne5 15. f4 Nf7 16. Ne2 Bd7 17. b4 Qe7 18. Rfe1 Rfe8 19. a4 Rac8 20. Qd2 Qf8 21. Ba3 Be6 22. Qd3 Rc7 23. Nd4 Bd7 24. Re3 c5 25. Nb5 Bxb5 26. axb5 Bd4 27. Rxe8 Qxe8 28. Bd5 Re7 29. Rf1 Kg7 30. bxc5 dxc5 31. Qf3 Nd6 32. Bc1 Qd8 33. Bd2 Ne4 34. Be3 a6 35. bxa6 bxa6 36. Rb1 Qa5 37. g4 fxg4 38. Qxg4 Bxe3 39. fxe3 Qd2 40. Qf3 Nc3 41. Rb7 Nxd5 42. Qxd5 Qxd5 43. Rxe7+ Qf7 44. Rxf7+ Kxf7 45. Kf2 Kf6 46. e4 g5 47. fxg5+ Kxg5 48. Ke3 a5 49. h4+ Kxh4 50. Kf4 a4 51. e5 a3 52. e6 a2 53. e7 a1Q 0-1

[Event "Adelaide Lidums op"]
[Site "Adelaide"]
[Date "1971.??.??"]
[Round "12"]
[White "Schmid, Lothar"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C70"]
[PlyCount "85"]
[EventDate "1971.01.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "AUS"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 Bg7 6. d4 b5 7. Bb3 d6 8. a4 Rb8 9. Bg5 Qd7 10. 0-0 h6 11. Be3 Nf6 12. dxe5 dxe5 13. Nbd2 0-0 14. Qe2 Qe7 15. Rfd1 Na5 16. Bc2 b4 17. Nc4 Nc6 18. a5 Nh5 19. g3 Rb5 20. Ba4 Bg4 21. Bxb5 axb5 22. Ncd2 bxc3 23. bxc3 b4 24. cxb4 Nxb4 25. Qc4 Qf6 26. Qxb4 Bxf3 27. Nxf3 Qxf3 28. a6 Nf4 29. Bxf4 exf4 30. a7 Kh7 31. Qxf8 Bxf8 32. Rdc1 Bg7 33. a8Q Bd4 34. Qa2 fxg3 35. hxg3 Qxg3+ 36. Kf1 Qh3+ 37. Ke2 Qh5+ 38. Ke1 Qh1+ 39. Kd2 Qxe4 40. Qxf7+ Bg7 41. Ra2 Qd4+ 42. Ke1 Qe4+ 43. Re2 1-0

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.27"]
[Round "11"]
[White "Prins, Lodewijk"]
[Black "Adorjan, Andras"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "104"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 h6 6. Bf4 a6 7. f3 Nbd7 8. 0-0-0 b5 9. Bd3 c5 10. dxc5 Nxc5 11. Be3 b4 12. Nce2 Qa5 13. Kb1 Be6 14. Nc1 Nfd7 15. Nb3 Bxb3 16. cxb3 Nxd3 17. Qxd3 0-0 18. Ne2 Kh7 19. Qd2 f5 20. exf5 Qxf5+ 21. Qd3 Qxd3+ 22. Rxd3 Kg8 23. Nf4 Kf7 24. Nd5 a5 25. Rc1 Rac8 26. Rdd1 Rxc1+ 27. Rxc1 Rb8 28. Rc7 Rb5 29. Nf4 Re5 30. Bc1 Nc5 31. h4 Ne6 32. Nxe6 Kxe6 33. a3 Re2 34. Rc2 Rxc2 35. Kxc2 Kd5 36. Kd3 h5 37. Bd2 Kc5 38. Be3+ Kb5 39. Bc1 Bf6 40. g3 e6 41. Ke4 d5+ 42. Kf4 e5+ 43. Ke3 g5 44. hxg5 Bxg5+ 45. f4 Bh6 46. Kf3 e4+ 47. Ke3 Kc5 48. Bd2 Bg7 49. axb4+ axb4 50. Be1 Bxb2 51. f5 Bc1+ 52. Ke2 Bg5 0-1

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.25"]
[Round "10"]
[White "Van Geet, Dick Daniel"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "83"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 Bf5 4. Ng3 Bg6 5. h4 h6 6. Nf3 Nd7 7. Bc4 e6 8. d3 Ngf6 9. Qe2 Bd6 10. h5 Bh7 11. Bd2 Qe7 12. 0-0-0 Nb6 13. Bb3 a5 14. Ne5 Nfd5 15. Rde1 0-0 16. Qg4 Nf6 17. Qh4 a4 18. Bc4 Nxc4 19. Nxc4 Bb4 20. Bxb4 Qxb4 21. Ne5 Qc5 22. a3 Rfd8 23. Qc4 Qe7 24. f4 Nd5 25. Kb1 Nb6 26. Qc3 Qd6 27. Rhf1 Nd5 28. Qc4 b5 29. Qc6 Qxc6 30. Nxc6 Rd6 31. Ne5 c5 32. Kc1 Ne7 33. Ne4 Bxe4 34. dxe4 f6 35. Nf3 Kf7 36. Rd1 Rad8 37. Ne5+ Ke8 38. Rxd6 Rxd6 39. Nd3 c4 40. Nc5 Rc6 41. Nb7 Rb6 42. Nc5 1/2-1/2

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.24"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Marovic, Drazen"]
[Result "1-0"]
[ECO "C12"]
[PlyCount "81"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Nf3 b6 9. Bb5+ c6 10. Bd3 Ba6 11. Qe2 Qc8 12. c4 0-0 13. 0-0 dxc4 14. Bxe4 c3 15. Bd3 Bxd3 16. Qxd3 cxd2 17. Nxd2 c5 18. Ne4 cxd4 19. f4 Nd7 20. Qxd4 Nc5 21. Nd6 Qd7 22. a4 f6 23. a5 fxe5 24. Qxe5 Rad8 25. Rad1 Qc6 26. f5 Qd7 27. axb6 axb6 28. Rd4 Qe7 29. Rb1 Qf6 30. Qxf6 Rxf6 31. Rxb6 exf5 32. Nxf5 Rxd4 33. Rb8+ Kh7 34. Nxd4 Rd6 35. Rb4 Ne4 36. h4 Rd7 37. Rc4 Nd2 38. Rb4 Ne4 39. Kh2 g5 40. Ne6 Nf6 41. Nf8+ 1-0

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.22"]
[Round "8"]
[White "Timman, Jan H"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "67"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. 0-0 Ngf6 5. d3 Bd6 6. Nbd2 0-0 7. e4 c6 8. b3 Re8 9. Bb2 dxe4 10. dxe4 Nb6 11. Qe2 Qe7 12. a4 a5 13. Ne1 Bc5 14. Nd3 Bg4 15. Qe1 Bd4 16. Bxd4 exd4 17. f4 Bc8 18. h3 Qc7 19. Qf2 c5 20. Rfe1 Rd8 21. f5 c4 22. bxc4 Nxc4 23. e5 Ne8 24. Nxc4 Qxc4 25. g4 Ra6 26. Nf4 Rb6 27. Qh4 f6 28. exf6 Nxf6 29. g5 Qc5 30. gxf6 Rxf6 31. Nh5 Rff8 32. f6 g6 33. f7+ Kh8 34. Qf6# 1-0

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.21"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Tatai, Stefano"]
[Result "1/2-1/2"]
[ECO "B55"]
[PlyCount "32"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 e6 7. Nc3 Be7 8. Be3 0-0 9. Be2 d5 10. cxd5 exd5 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Nxc6 Qxc6 14. 0-0 Bc5 15. Bxc5 Qxc5+ 16. Kh1 Be6 1/2-1/2

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.20"]
[Round "6"]
[White "Piket, Joop J"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "68"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. c3 h6 5. d4 Qf6 6. d5 Nb8 7. Bd3 Ne7 8. Be3 g5 9. h4 g4 10. Nfd2 h5 11. g3 Bh6 12. Nf1 Nd7 13. Nbd2 Qg6 14. Bxh6 Qxh6 15. Ne3 0-0 16. b4 a5 17. a4 c6 18. dxc6 bxc6 19. 0-0 Bb7 20. Nb3 axb4 21. cxb4 Rad8 22. b5 cxb5 23. axb5 d5 24. exd5 Nxd5 25. Nxd5 Bxd5 26. Bh7+ Qxh7 27. Qxd5 Qg7 28. Rfe1 Rfe8 29. Qc6 e4 30. Qc2 Ne5 31. Rxe4 Nf3+ 32. Kg2 Rxe4 33. Qxe4 Qxa1 34. Nxa1 Rd1 0-1

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.18"]
[Round "5"]
[White "Prins, Lodewijk"]
[Black "Hamann, Svend"]
[Result "0-1"]
[ECO "B55"]
[PlyCount "144"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Qb6 7. Nc2 g6 8. Nc3 Bg7 9. Ne3 0-0 10. Be2 Nh5 11. Ned5 Qd8 12. 0-0 e6 13. Nf4 Nxf4 14. Bxf4 Qb6+ 15. Kh1 Qxb2 16. Nb5 Qxa1 17. Qxa1 Bxa1 18. Rxa1 e5 19. Bh6 Rd8 20. Nc7 Be6 21. Nxa8 Rxa8 22. Rc1 b6 23. Kg1 Rc8 24. Bd2 Nd4 25. Bf1 Kf8 26. Kf2 Ke7 27. Ke3 Nc6 28. g3 Kd7 29. Bd3 Rc7 30. h4 Na5 31. Bxa5 bxa5 32. f4 f6 33. f5 gxf5 34. exf5 Bf7 35. g4 h6 36. Kd2 d5 37. c5 Kc6 38. a4 Rb7 39. Bb5+ Kc7 40. Rg1 a6 41. Bxa6 Rb2+ 42. Kc3 Ra2 43. g5 hxg5 44. hxg5 fxg5 45. Rxg5 Kc6 46. f6 Rf2 47. Rxe5 Kxc5 48. Re2 Rxf6 49. Bb5 Rf3+ 50. Kd2 Kb4 51. Rg2 Rf4 52. Ke3 Re4+ 53. Kd3 Rh4 54. Rb2+ Ka3 55. Rg2 Be6 56. Rf2 Bg8 57. Kc3 d4+ 58. Kd2 Kb4 59. Rf1 Bh7 60. Rf2 Be4 61. Re2 Rg4 62. Rh2 Rg2+ 63. Rxg2 Bxg2 64. Kd3 Kc5 65. Kc2 Bc6 66. Bd3 Bxa4+ 67. Kb2 Kb4 68. Bf5 Bb3 69. Bg6 a4 70. Bf5 a3+ 71. Ka1 Kc3 72. Bg6 Bc2 0-1

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.17"]
[Round "4"]
[White "Van der Weide, Piet"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "48"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. f4 exd4 5. Qxd4 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Nf3 Be7 9. Bd2 0-0 10. 0-0-0 Re8 11. Rhe1 a5 12. h3 b5 13. g4 b4 14. Nd5 Nxd5 15. exd5 Bb5 16. g5 Qd7 17. Nh4 Bf8 18. Rg1 c5 19. dxc6 Bxc6 20. g6 hxg6 21. f5 Be4 22. fxg6 Rac8 23. c3 Qa4 24. gxf7+ Kh7 0-1

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.16"]
[Round "3"]
[White "Prins, Lodewijk"]
[Black "Bednarski, Jacek B"]
[Result "1/2-1/2"]
[ECO "A34"]
[PlyCount "64"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 Nf6 5. Be2 d5 6. exd5 exd5 7. d4 Be6 8. cxd5 Nxd5 9. 0-0 h6 10. Re1 Be7 11. Nxd5 Qxd5 12. Be3 cxd4 13. Nxd4 Nxd4 14. Bxd4 0-0 15. Bf3 Qd7 16. Bc3 Rfd8 17. Qe2 Rac8 18. Qe4 b6 19. Rad1 Qc7 20. Bg4 Rxd1 21. Rxd1 Qc6 22. Qe2 Rd8 23. Re1 Bxg4 24. Qxe7 Qd7 25. Qe5 f6 26. Qg3 Kh7 27. h3 Bf5 28. Qe3 Qd5 29. Qf4 Rd7 30. a3 Bg6 31. h4 Qf5 32. Qa4 Bf7 1/2-1/2

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.15"]
[Round "2"]
[White "Cortlever, Nicolaas"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "B28"]
[PlyCount "115"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd2 0-0 8. Bd3 d5 9. Nxd5 Nxd5 10. exd5 Bxd2+ 11. Nxd2 Qxd5 12. Qh5 h6 13. 0-0-0 Nc6 14. Nc4 Qc5 15. Rhe1 Be6 16. Nd6 Nb4 17. Qxe5 Qxf2 18. a3 Nxd3+ 19. Rxd3 Rad8 20. Rf3 Qxe1+ 21. Qxe1 Rxd6 22. Rd3 Rxd3 23. cxd3 Rd8 24. Qe3 Rd7 25. Kd2 h5 26. Qe5 g6 27. Ke3 Kf8 28. Qf6 Bd5 29. g3 Bc6 30. d4 Rd5 31. Kd3 Ke8 32. Kc4 Rf5 33. Qd6 Bb5+ 34. Kb4 Bc6 35. Kc3 Rd5 36. Qc7 Rf5 37. b3 Rd5 38. a4 Rf5 39. Kb4 Rd5 40. Kc4 Rf5 41. Qd6 Rg5 42. b4 Rf5 43. h4 Bg2 44. Kc3 Bc6 45. Kc4 Bg2 46. b5 axb5+ 47. axb5 Bf1+ 48. Kc3 Bg2 49. Kb4 Bf3 50. Qc7 Bd5 51. Qd6 Bf3 52. Kc4 Be2+ 53. Kc3 Bf3 54. Kb4 Bd5 55. Qc7 Bf3 56. Kc4 Be2+ 57. Kc3 Bf3 58. Kb4 1/2-1/2

[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1970.07.14"]
[Round "1"]
[White "Westerinen, Heikki MJ"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C28"]
[PlyCount "82"]
[EventDate "1970.07.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Na4 Be7 6. Ne2 d5 7. exd5 Nxd5 8. 0-0 0-0 9. Nac3 Be6 10. Bb3 Qd7 11. Ne4 h6 12. Bd2 Rad8 13. Kh1 a6 14. f3 f5 15. N4c3 Bc5 16. Nxd5 Bxd5 17. Bc3 Be3 18. Qe1 Bxb3 19. axb3 Nd4 20. Bxd4 exd4 21. Qb4 Qc6 22. Qc4+ Qxc4 23. bxc4 Rfe8 24. g4 f4 25. Rfd1 Re5 26. c3 g5 27. Kg2 a5 28. Ra2 b6 29. b4 dxc3 30. Nxc3 axb4 31. Nd5 b3 32. Rb2 Bd4 33. Rxb3 Re2+ 34. Kh1 Ra8 35. Nb4 c5 36. Nc6 Be3 37. Ne7+ Kf8 38. Nd5 Raa2 39. Nxe3 fxe3 40. Rxb6 Rxh2+ 41. Kg1 Rag2+ 0-1

[Event "Match/Nation ENG-NED"]
[Site "London"]
[Date "1969.10.25"]
[Round "1.6"]
[White "Whiteley, Andrew Jonathan"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "49"]
[EventDate "1969.10.25"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 cxd4 8. exd4 Bb4 9. Qc2 Ba5 10. Be4 Nxd4 11. Nxd4 Nxc3 12. bxc3 Qxd4 13. Bd2 Qc4 14. Bxh7 Bd7 15. Be4 Bb5 16. Bf3 Rc8 17. Qe4 Qxc3 18. Bxc3 Bxc3+ 19. Kd1 0-0 20. Rc1 Rfd8+ 21. Kc2 Rd4 22. Qxb7 Rc5 23. Qa8+ Kh7 24. Qe4+ Rxe4 25. Bxe4+ 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.06"]
[Round "13"]
[White "Prins, Lodewijk"]
[Black "Niedermayr, Horst"]
[Result "1-0"]
[ECO "B55"]
[PlyCount "81"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Austria"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. Bg5 Be6 8. exd5 Qxd5 9. N1d2 Be7 10. Bc4 Qc6 11. Qe2 Nbd7 12. 0-0-0 Rc8 13. Bd3 0-0 14. Ne4 Bxb3 15. axb3 Nc5 16. Nxc5 Qxc5 17. h4 Qa5 18. Kb1 h6 19. Bd2 Qc7 20. g4 e4 21. fxe4 Nd7 22. g5 Ne5 23. Bc3 g6 24. h5 Bxg5 25. Rdg1 Nxd3 26. cxd3 Qf4 27. hxg6 fxg6 28. Rg4 Qf3 29. Qxf3 Rxf3 30. Rxg5 Rxc3 31. Rxg6+ Kf7 32. bxc3 Kxg6 33. Kc2 Rf2+ 34. Kc1 h5 35. d4 Re2 36. e5 a5 37. Rg1+ Kf5 38. Rf1+ Kg5 39. Rd1 Re4 40. Kd2 a4 41. Kd3 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.05"]
[Round "12"]
[White "Venalainen, Unto E"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "78"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Finland"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nc3 Nf6 3. f4 exf4 4. e5 Ng8 5. Nf3 d6 6. exd6 Bxd6 7. d4 Nf6 8. Bc4 0-0 9. 0-0 Nc6 10. Ne2 Nh5 11. a3 Ne7 12. Qd3 Ng6 13. Bd2 Qf6 14. Rae1 Bg4 15. Bd5 c6 16. Be4 Rae8 17. Nc3 Qd8 18. Bf5 Nf6 19. b4 Rxe1 20. Rxe1 Bxf3 21. Qxf3 Nh4 22. Qh3 Nxf5 23. Qxf5 Bxb4 24. Qxf4 Bxa3 25. Ne2 Re8 26. c3 Bd6 27. Qf3 Ne4 28. Bf4 Bxf4 29. Nxf4 Ng5 30. Qd1 Rxe1+ 31. Qxe1 h6 32. Nd3 Ne6 33. Ne5 a5 34. Qb1 Qc7 35. Qa1 b5 36. h3 b4 37. cxb4 axb4 38. Qa8+ Qd8 39. Qa7 Qxd4+ 0-1

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.04"]
[Round "11"]
[White "Prins, Lodewijk"]
[Black "Thorsteinsson, Bjorn"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "43"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Iceland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ISL"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 0-0 7. Nxe5 Nc6 8. f4 Nd4 9. 0-0 Nxb3 10. axb3 Ne8 11. d4 d6 12. Nc4 Bf6 13. Qd1 g6 14. Ne3 Bg7 15. f5 Qh4 16. Ncd5 c6 17. Nb6 Rb8 18. Nxc8 Rxc8 19. c3 a6 20. g3 Qd8 21. Ng4 d5 22. f6 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Calvo Minguez, Ricardo"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "112"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Spain"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ESP"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Be2 Bg7 5. Be3 c6 6. Qd2 b5 7. Bf3 Ng4 8. Bxg4 Bxg4 9. Bh6 Bf6 10. Qf4 b4 11. Qxg4 bxc3 12. bxc3 Nd7 13. Ne2 Qa5 14. 0-0 e6 15. f4 0-0-0 16. e5 Be7 17. Bg5 Bxg5 18. fxg5 Rhf8 19. exd6 Nb6 20. Rf3 Rxd6 21. Raf1 f5 22. gxf6 Qxa2 23. Qe4 Rf7 24. Qe5 Nc4 25. Qc5 Kc7 26. Nc1 Qa4 27. Nb3 Rd8 28. Qb4 Qxb4 29. cxb4 e5 30. Rc3 Nd6 31. Na5 exd4 32. Rxc6+ Kd7 33. Ra6 Kc8 34. h3 Nf5 35. Nc6 Rd6 36. b5 Rdxf6 37. g4 Nd6 38. Rxf6 Rxf6 39. Nxd4 Ne4 40. Rxa7 Rd6 41. Nb3 h5 42. gxh5 gxh5 43. Re7 Rg6+ 44. Kf1 Nd6 45. Re5 h4 46. Rh5 Rg3 47. Rxh4 Nxb5 48. Rh5 Na3 49. h4 Nxc2 50. Rc5+ Kd7 51. Rxc2 Rxb3 52. Kg2 Ke6 53. Rf2 Ke7 54. Rf4 Ra3 55. Rf2 Rb3 56. Rf4 Ra3 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.31"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Skold, Kristian"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "67"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SWE"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Bb4 5. 0-0 Bxc3 6. dxc3 d6 7. Bc4 f4 8. g3 Qf6 9. gxf4 exf4 10. Kh1 Nge7 11. Rg1 Bd7 12. a4 a6 13. b3 h6 14. Bb2 Ne5 15. Be2 Bc6 16. Nxe5 dxe5 17. Bd3 h5 18. b4 g5 19. b5 Bd7 20. bxa6 bxa6 21. Qe2 Ng6 22. Bc4 Nh4 23. Rad1 Bh3 24. Qd2 Rb8 25. Ba3 Qc6 26. Qd5 Qxd5 27. Rxd5 Ng6 28. Bxa6 Bg4 29. Re1 c6 30. Rd6 Nh4 31. Rxc6 Bd7 32. Rc5 Rb6 33. Bb5 Rhh6 34. Rc8+ 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.29"]
[Round "5"]
[White "Domnitz, Zadok"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "65"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. c3 Qc7 6. 0-0 Nb6 7. Bb3 Bg4 8. a4 Be7 9. a5 Nd7 10. Qd3 Ngf6 11. Ng5 Bh5 12. f4 h6 13. Nh3 Bg6 14. f5 Bh7 15. Nd2 g5 16. Nf2 d5 17. Qe2 0-0-0 18. exd5 Nxd5 19. Bxd5 cxd5 20. Ng4 Bd6 21. a6 exd4 22. axb7+ Kb8 23. cxd4 Qb6 24. Qd3 h5 25. Ne3 Nf6 26. Nb3 Ng4 27. Ra6 Bxh2+ 28. Kh1 Qc7 29. Na5 Rd6 30. Nxd5 Qxc1 31. Rxc1 Nf2+ 32. Kxh2 Nxd3 33. Rxd6 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "4"]
[White "Prins, Lodewijk"]
[Black "Rocha, Antonio Cavilhas"]
[Result "1-0"]
[ECO "B41"]
[PlyCount "69"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 Nc6 5. d4 cxd4 6. Nxd4 Qc7 7. Be2 Nf6 8. Nc2 Be7 9. 0-0 d6 10. Be3 0-0 11. Rc1 Nd7 12. Qd2 b6 13. Rfd1 Bb7 14. Bf4 Nce5 15. b3 Rfd8 16. Qe3 Ng6 17. Bg3 Rac8 18. Nd4 Qb8 19. f4 e5 20. Nf5 Bf8 21. fxe5 dxe5 22. Qf3 Nc5 23. Nd5 Ne6 24. h4 Bxd5 25. cxd5 Rxc1 26. Rxc1 Nef4 27. Bf1 b5 28. Bf2 Ne7 29. Nxe7+ Bxe7 30. g3 Ng6 31. Bh3 Nf8 32. Rc6 Rd6 33. Rc8 Qb7 34. Qc3 Bd8 35. Qxe5 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.26"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Bhend, Edwin"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "64"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. Bb5+ Nbd7 5. d4 cxd4 6. Qxd4 e5 7. Qe3 Be7 8. 0-0 a6 9. Bc4 b5 10. Bb3 Nb6 11. Rd1 Qc7 12. a4 b4 13. a5 Nc4 14. Qe2 bxc3 15. Bxc4 0-0 16. b3 Bb7 17. Bd3 Bc6 18. Ne1 Qb7 19. f3 Rfe8 20. Bc4 d5 21. exd5 Nxd5 22. Nd3 Nf4 23. Qf2 Ng6 24. Be3 Qc8 25. Bc5 Bh4 26. g3 Bg5 27. Nb4 Bd2 28. Nxc6 Qxc6 29. Bd3 Rad8 30. Be4 Qc8 31. Kg2 f5 32. Bd3 Kh8 1/2-1/2

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.23"]
[Round "6"]
[White "Quesada, Oscar"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "62"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Costa Rica"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "CRI"]
[BlackTeamCountry "NED"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 Nf6 5. Bd2 e5 6. a3 c6 7. Be2 Be7 8. Nf3 Nbd7 9. 0-0 Qc7 10. h3 0-0 11. Re1 Nd5 12. Ne4 Nc5 13. Bf1 Ne6 14. g3 f5 15. Nc3 Bd6 16. Nxd5 cxd5 17. Bb4 Bxb4 18. axb4 e4 19. dxe4 dxe4 20. Nd4 Rd8 21. c3 Nxd4 22. cxd4 Be6 23. Qd2 Qb6 24. Ra5 Rxd4 25. Qg5 Rxb4 26. Re5 Rxb2 27. Qf4 Rc8 28. Be2 Rb1 29. Rxb1 Qxb1+ 30. Kg2 Rc1 31. Rxe4 Qxe4+ 0-1

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "Prins, Lodewijk"]
[Black "Day, Lawrence A"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "62"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Canada"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "CAN"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Be2 Nc6 5. 0-0 Nf6 6. Nc3 Qc7 7. a3 b6 8. d4 cxd4 9. Nxd4 Bb7 10. Be3 Bd6 11. h3 Be5 12. Qd3 h5 13. Rfc1 Bh2+ 14. Kf1 Ne5 15. Qd1 Nxe4 16. Na4 Nc5 17. Nxb6 Qxb6 18. Nf3 Qc6 19. Bxc5 Bf4 20. Be3 Bxe3 21. fxe3 Ng4 22. hxg4 hxg4 23. Ne1 Rh1+ 24. Kf2 g3+ 25. Kxg3 Rxe1 26. Qxe1 Qxg2+ 27. Kf4 g5+ 28. Ke5 Qe4+ 29. Kf6 Qf5+ 30. Kg7 Qg6+ 31. Kh8 0-0-0# 0-1

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Muziole, Charles"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "A41"]
[PlyCount "70"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Monaco"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "MNC"]
[BlackTeamCountry "NED"]

1. Nf3 d6 2. d4 Bg4 3. g3 Qd7 4. Nh4 Nc6 5. h3 Bh5 6. Bg2 e6 7. c3 Be7 8. Nf3 f5 9. Be3 Nf6 10. Nh2 d5 11. f3 e5 12. Bf2 Bd6 13. Qd2 0-0 14. 0-0 Rae8 15. Re1 Re7 16. a4 Rfe8 17. e3 Na5 18. Qc2 f4 19. e4 fxg3 20. Bxg3 exd4 21. Bxd6 Qxd6 22. Nd2 dxe4 23. Nxe4 Nxe4 24. fxe4 d3 25. Qf2 d2 26. Rf1 Rf7 27. Qd4 Rxf1+ 28. Nxf1 d1Q 29. Rxd1 Bxd1 30. Ne3 Qxd4 31. cxd4 Bxa4 32. b4 Nc6 33. d5 Nxb4 34. Kf2 Bc2 35. Nxc2 Nxc2 0-1

[Event "Olympiad-18 Preliminaries D"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Prins, Lodewijk"]
[Black "Gonzalez, Jorge2222"]
[Result "1-0"]
[ECO "C28"]
[PlyCount "65"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "PAR"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 d6 5. f4 Be7 6. Nf3 Bg4 7. 0-0 Nd4 8. Kh1 c6 9. fxe5 Bxf3 10. Rxf3 dxe5 11. Rf1 Qd7 12. Ne2 Nxe2 13. Qxe2 0-0 14. Rf5 Qd6 15. Bd2 b5 16. Bb3 a5 17. a3 b4 18. axb4 axb4 19. Raf1 Qd4 20. c3 Qb6 21. Bc4 Ra5 22. g3 Rfa8 23. Kg2 Qb8 24. cxb4 Bxb4 25. g4 Bxd2 26. Qxd2 h6 27. g5 hxg5 28. Qxg5 Kf8 29. Rxf6 gxf6 30. Qxf6 Ke8 31. Qxc6+ Kd8 32. Rxf7 Qxb2+ 33. Kf3 1-0

[Event "Match/Nation NED-FRG"]
[Site "Hengelo"]
[Date "1968.03.16"]
[Round "2.6"]
[White "Eising, Johannes"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A96"]
[PlyCount "73"]
[EventDate "1968.03.15"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nc3 0-0 6. 0-0 d6 7. d4 Nbd7 8. Qd3 Qe8 9. e4 Qh5 10. exf5 exf5 11. Bd2 c6 12. Rae1 Bd8 13. b4 Ne8 14. b5 cxb5 15. Nxb5 Ndf6 16. Nc3 Bd7 17. Re2 Rc8 18. Ng5 Ng4 19. h3 Nxf2 20. Rexf2 Bxg5 21. g4 Qh6 22. Bxg5 Qxg5 23. Ne4 Qe7 24. gxf5 Bc6 25. d5 Bd7 26. Qg3 Kh8 27. c5 dxc5 28. d6 Qd8 29. Ng5 Bc6 30. Bxc6 Rxc6 31. Ne6 Qf6 32. d7 Nd6 33. Nxf8 Qxf8 34. d8Q Qxd8 35. f6 g6 36. f7 Qf8 37. Qe5+ 1-0

[Event "Match/Nation ENG-NED (4,5-5,5) (6,5-3,5"]
[Site "Harrogate"]
[Date "1967.12.02"]
[Round "1.5"]
[White "Prins, Lodewijk"]
[Black "Lee, Peter N"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "64"]
[EventDate "1967.12.02"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "ENG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. f4 c5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nf6 5. 0-0 0-0 6. d3 d5 7. Nbd2 Nc6 8. Qe1 b6 9. Qh4 Qc7 10. e4 dxe4 11. dxe4 Nd4 12. Nxd4 cxd4 13. Bd3 Bb7 14. f5 e6 15. Nf3 exf5 16. exf5 Rad8 17. Rf2 Rfe8 18. Bf4 Qc5 19. Bg5 Rd6 20. Re1 Rxe1+ 21. Nxe1 Nd5 22. Re2 Qc8 23. Nf3 Ne3 24. Be7 Bxf3 25. gxf3 Rd5 26. f6 Bf8 27. Kh1 Rd7 28. Bxf8 Qxf8 29. c3 h5 30. cxd4 Nd5 31. Re5 Rd8 32. Rxh5 Nxf6 1-0

[Event "EU-chT 04th Group1"]
[Site "Barcelona"]
[Date "1967.09.16"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Diez del Corral, Jesus"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "66"]
[EventDate "1967.09.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Spain"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ESP"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Ng8 5. g3 c5 6. Bg2 Nc6 7. Nf3 h5 8. 0-0 Be7 9. d4 Nh6 10. dxc5 Bxc5 11. Nbd2 Nf5 12. c4 h4 13. gxh4 Nxh4 14. Nxh4 Qxh4 15. Nf3 Qh5 16. cxd5 exd5 17. Qxd5 Bh3 18. Qe4 0-0-0 19. Rac1 Bxg2 20. Kxg2 Qh3+ 21. Kh1 Rd2 22. Qf4 Rxb2 23. Ng5 Qd3 24. Nxf7 Qd5+ 25. Kg1 Rf8 26. Qg4+ Kb8 27. e6 Nd4 28. Rfd1 Qxe6 29. Rxd4 Qxg4+ 30. Rxg4 Bxf2+ 31. Kh1 Rxf7 32. Rf1 Rxa2 33. Rg2 Bd4 0-1

[Event "EU-chT 04th Group1"]
[Site "Barcelona"]
[Date "1967.09.15"]
[Round "1"]
[White "Prins, Lodewijk"]
[Black "Willaert, Robert"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "97"]
[EventDate "1967.09.15"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Ne2 Bg4 7. Qd3 Bxe2 8. Bxe2 Qc7 9. Bd2 Nd7 10. Qg3 0-0-0 11. Qxc7+ Kxc7 12. Bh5 Nb6 13. Bf4+ Kc8 14. 0-0-0 Rd7 15. c4 e6 16. b3 Bg7 17. Rd2 Rg8 18. Kc2 f5 19. Rhd1 Bf6 20. g3 Rgd8 21. Be3 Na8 22. h4 Nc7 23. Bg5 Bxg5 24. hxg5 Rg8 25. f4 h6 26. gxh6 Rh8 27. Bf3 Rxh6 28. Rh1 Rxh1 29. Bxh1 Rd8 30. Kc3 Rh8 31. Bg2 Rg8 32. Rd3 Ne8 33. d5 cxd5 34. cxd5 Kc7 35. Kd4 Nf6 36. Rc3+ Kd6 37. dxe6 fxe6 38. Bxb7 Nh5 39. Bf3 Nxg3 40. Rc6+ Kd7 41. Ra6 Rc8 42. Rxa7+ Kd6 43. Ra6+ Ke7 44. b4 Rc1 45. b5 Rf1 46. Ra3 Kd6 47. b6 Ne4 48. b7 Kc7 49. Bxe4 1-0

[Event "Clare Benedict Cup-14"]
[Site "Leysin"]
[Date "1967.06.12"]
[Round "5.2"]
[White "Darga, Klaus"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "D47"]
[PlyCount "53"]
[EventDate "1967.06.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. c4 c6 2. d4 d5 3. Nc3 e6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 Be7 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 b4 10. Na4 c5 11. dxc5 Nxc5 12. Nxc5 Bxc5 13. e4 h6 14. a3 Qb6 15. axb4 Bxb4 16. Qe2 Bc5 17. Bd2 Nd7 18. b4 Be7 19. Be3 Qb8 20. Bb5 Bxb4 21. Bc6 a5 22. Rfd1 Ke7 23. Bxa8 Qxa8 24. Qc4 Qa6 25. Qc7 Bd6 26. Qc3 Nf6 27. e5 1-0

[Event "Clare Benedict Cup-14"]
[Site "Leysin"]
[Date "1967.06.11"]
[Round "4.2"]
[White "Prins, Lodewijk"]
[Black "Kinzel, Anton"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "75"]
[EventDate "1967.06.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Austria"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bb4 7. Nxc6 dxc6 8. Qxd8+ Kxd8 9. Bd2 e5 10. 0-0-0 Ke7 11. f4 Rd8 12. Be2 exf4 13. e5 Bxc3 14. Bxc3 Ne4 15. Bb4+ c5 16. Rxd8 Kxd8 17. Ba3 b6 18. Bf3 Bf5 19. Re1 Ke7 20. Bxe4 Bxe4 21. Rxe4 g5 22. b4 Ke6 23. bxc5 Kf5 24. Rd4 g4 25. Rd7 bxc5 26. Kc2 Ke6 27. Rd5 f3 28. gxf3 gxf3 29. Bxc5 Rc8 30. Kd3 Rg8 31. Bd4 Rg2 32. Rd6+ Ke7 33. c5 Rxa2 34. c6 Ra3+ 35. Ke4 f5+ 36. Kxf5 f2 37. Rd7+ Ke8 38. Bxf2 1-0

[Event "Clare Benedict Cup-14"]
[Site "Leysin"]
[Date "1967.06.10"]
[Round "3.2"]
[White "Blau, Max"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "74"]
[EventDate "1967.06.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3 Qc7 6. 0-0 h6 7. a4 Be7 8. Qe2 Nf8 9. dxe5 dxe5 10. Be3 g5 11. Ne1 Nf6 12. Nd3 Ng6 13. f3 Nf4 14. Qd2 Be6 15. Bxe6 Nxe6 16. Qf2 b6 17. Kh1 Nf4 18. Rad1 Nd7 19. g3 Nxd3 20. Rxd3 Nc5 21. Bxc5 Bxc5 22. Qg2 Rd8 23. Rfd1 Rxd3 24. Rxd3 Ke7 25. Qh3 Qc8 26. Kg2 Qxh3+ 27. Kxh3 h5 28. Kg2 a5 29. Ne2 Ke6 30. f4 f6 31. f5+ Ke7 32. h3 g4 33. Nc1 Rc8 34. hxg4 hxg4 35. Rd1 Rh8 36. Rd3 Rc8 37. Rd1 Rh8 1/2-1/2

[Event "Clare Benedict Cup-14"]
[Site "Leysin"]
[Date "1967.06.09"]
[Round "2.2"]
[White "Prins, Lodewijk"]
[Black "Clarke, Peter Hugh"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "81"]
[EventDate "1967.06.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Qf3 Nge7 7. Ne2 Be6 8. Bf4 Qd7 9. Bxd6 Qxd6 10. Nd2 0-0-0 11. 0-0 h5 12. Rfe1 Bg4 13. Qg3 Qxg3 14. Nxg3 h4 15. Ngf1 Bf5 16. Bxf5+ Nxf5 17. Ne3 Nce7 18. Nxf5 Nxf5 19. Re5 g6 20. Rae1 f6 21. Re6 Rhf8 22. g4 hxg3 23. fxg3 Ng7 24. Re7 Rde8 25. Kf2 Rxe7 26. Rxe7 Nf5 27. Rh7 Kd8 28. g4 Nd6 29. h4 Rf7 30. Rh8+ Ke7 31. h5 gxh5 32. gxh5 Ke6 33. Kf3 Kf5 34. Nf1 c6 35. Ng3+ Ke6 36. h6 Re7 37. h7 Nf5 38. Nh5 Nh4+ 39. Kg4 Ng6 40. Rg8 Rxh7 41. Rxg6 1-0

[Event "Clare Benedict Cup-14"]
[Site "Leysin"]
[Date "1967.06.08"]
[Round "1.2"]
[White "Medina Garcia, Antonio Angel"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "C73"]
[PlyCount "78"]
[EventDate "1967.06.08"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "SUI"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Spain"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ESP"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 g6 8. Qd2 Bg7 9. Nc3 Qe7 10. 0-0-0 Qf8 11. h3 Nh6 12. Nh2 Nf7 13. f4 Qe7 14. Nf3 0-0 15. g4 exf4 16. Bxf4 Be6 17. Rde1 Rae8 18. Rhf1 Qd8 19. Qg2 Qc8 20. Kb1 Qb7 21. Bc1 Rb8 22. b3 Qb4 23. Bb2 c5 24. Nd5 Bxd5 25. exd5 Rbe8 26. c3 Qb7 27. c4 c6 28. dxc5 dxc5 29. Nd2 cxd5 30. cxd5 Rd8 31. Ne4 Rxd5 32. Bxf6 Qb5 33. Qb2 Ne5 34. Qc3 c4 35. Bxg7 Rxf1 36. Rxf1 Kxg7 37. Qe3 cxb3 38. Qf2 Qd3+ 39. Kb2 Nc4+ 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Prins, Lodewijk"]
[Black "Walther, Edgar"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "64"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f3 c6 5. Qd2 Nbd7 6. 0-0-0 h6 7. Bh4 Qa5 8. e4 dxe4 9. fxe4 Bg4 10. Nf3 e6 11. Qe3 Bb4 12. Be1 Bxc3 13. Bxc3 Qxa2 14. Bd3 Nb6 15. Kd2 Nc4+ 16. Bxc4 Qxc4 17. Ne5 Qb5 18. Rdf1 Bh5 19. b3 Ng4 20. Nxg4 Bxg4 21. d5 cxd5 22. Bxg7 Rg8 23. Qc3 dxe4 24. Bxh6 e5 25. Kc1 Rc8 26. Qe3 Be6 27. Qxe4 Qxb3 28. Rf2 Qa3+ 29. Kd1 Bg4+ 30. Rf3 Bxf3+ 31. gxf3 Qd6+ 32. Kc1 Qxh6+ 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "De Greif, Boris"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "108"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Columbia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Ne4 7. e3 Qa5 8. Qb3 e6 9. Bd3 Nxc3 10. bxc3 Qa3 11. 0-0 Na5 12. Bb5+ Kd8 13. Qc2 a6 14. Be2 Bd6 15. Bxd6 Qxd6 16. e4 Bd7 17. exd5 exd5 18. Ne5 Be6 19. a4 Rc8 20. Qb2 Rc7 21. Rac1 Ke7 22. Rfe1 Rhc8 23. Bg4 Kf8 24. Bxe6 fxe6 25. Re3 Nc6 26. Nxc6 Qxc6 27. Qb4+ Kg8 28. Rce1 Rf8 29. f3 Rf6 30. Rb1 h6 31. a5 Rff7 32. Rbe1 Rf6 33. Rb1 Qd7 34. Qa3 Rc6 35. Rb4 Qc7 36. Qb2 Rf7 37. Rb6 Rxb6 38. axb6 Qd6 39. g3 Rf8 40. f4 Rc8 41. Re1 Rc6 42. Rb1 Qd8 43. Kg2 Qc8 44. Rc1 Rc4 45. Qc2 a5 46. Qg6 Rc6 47. Re1 Qd7 48. Re5 Qf7 49. Qxf7+ Kxf7 50. f5 a4 51. fxe6+ Rxe6 52. Rxd5 Rxb6 53. Kf3 a3 54. Ra5 Ra6 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.15"]
[Round "11"]
[White "Prameshuber, Aleksander"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "D12"]
[PlyCount "91"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bg4 7. 0-0 Be7 8. h3 Bh5 9. b3 Nbd7 10. Bb2 Qc7 11. Rc1 Rd8 12. cxd5 exd5 13. Be2 Bg6 14. Nh4 Qb8 15. Nxg6 hxg6 16. Bf3 Nf8 17. Re1 Ne6 18. e4 dxe4 19. Nxe4 0-0 20. Ng3 Bd6 21. Ne4 Be5 22. Qc2 Nxd4 23. Bxd4 Bxd4 24. Nxf6+ Bxf6 25. g3 Rd4 26. Kg2 Qc7 27. Rcd1 c5 28. Rxd4 Bxd4 29. Qe4 b5 30. Qc6 Qxc6 31. Bxc6 c4 32. bxc4 bxc4 33. Re8 c3 34. Rxf8+ Kxf8 35. Ba4 Ke7 36. Kf1 Kd6 37. Ke2 Kc5 38. Bc2 Kb4 39. a4 Ka3 40. f3 Kb2 41. Kd3 a5 42. g4 f5 43. Bd1 Bf6 44. Bc2 Be5 45. Bd1 Ka3 46. Kc4 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.14"]
[Round "10"]
[White "Kraidman, Yair"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "73"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Be7 7. Bd2 0-0 8. cxd5 exd5 9. Rd1 Re8 10. Be2 Bd6 11. 0-0 Ne4 12. h3 f5 13. Ne1 Qh4 14. Nd3 Re6 15. f4 g5 16. Nxe4 fxe4 17. Nc5 Rg6 18. Be1 Qh6 19. Nxe4 dxe4 20. Bc4+ Kg7 21. Bc3 gxf4 22. d5+ Nf6 23. dxc6 f3 24. Rxd6 Qxe3+ 25. Kh1 bxc6 26. Rxf6 Rxf6 27. gxf3 Bf5 28. Qg2+ Bg6 29. f4 Raf8 30. f5 Qxc3 31. bxc3 Rxf5 32. Rxf5 Rxf5 33. Qg1 c5 34. h4 Re5 35. Qg3 Kf6 36. Kg1 e3 37. Qf4+ 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.13"]
[Round "9"]
[White "Prins, Lodewijk"]
[Black "Nilsson, Zandor"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "37"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. Re1 d6 7. c3 e5 8. Na3 Nge7 9. Nc2 Qb6 10. b4 0-0 11. bxc5 dxc5 12. Ne3 h6 13. Ba3 Qa5 14. Qc1 b5 15. Bxc5 Rd8 16. a4 bxa4 17. Qa3 Bf8 18. d4 Qc7 19. d5 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.12"]
[Round "8"]
[White "Witt, Laszlo"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "82"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 Nf6 5. d3 Nc6 6. g3 d5 7. Bg5 dxe4 8. dxe4 Be7 9. Qxd8+ Bxd8 10. 0-0-0 Bd7 11. h3 Bc7 12. Be3 b6 13. Bg2 0-0-0 14. Rhe1 h6 15. Re2 Ne5 16. Nxe5 Bxe5 17. Bd2 Bc6 18. f4 Bd4 19. e5 Bxg2 20. Rxg2 Bxc3 21. Bxc3 Ne4 22. Rxd8+ Rxd8 23. Kc2 Kc7 24. g4 Kc6 25. Re2 Nxc3 26. bxc3 b5 27. cxb5+ axb5 28. h4 Ra8 29. Kd3 Ra4 30. Rf2 Ra3 31. h5 b4 32. Ke4 bxc3 33. g5 Kb5 34. g6 fxg6 35. hxg6 Kc4 36. f5 exf5+ 37. Kxf5 Kd3 38. e6 c2 39. e7 c1Q 40. Rf3+ Kd4 41. Rxa3 Qg5+ 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.11"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Bachtiar, Arovah"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "93"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "INA"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Nxf6 8. Bd3 c5 9. dxc5 Qa5+ 10. c3 Qxc5 11. Qc2 Bd7 12. Be3 Qc7 13. 0-0-0 Ng4 14. Bd4 Bf6 15. h3 Bxd4 16. hxg4 Bb6 17. Bxh7 0-0-0 18. Be4 Rxh1 19. Rxh1 Qf4+ 20. Kb1 Bxf2 21. Rf1 Bb6 22. Nd2 Qg5 23. Nc4 Be8 24. Rd1 Bc7 25. Rxd8+ Qxd8 26. Qd2 Qxd2 27. Nxd2 Bf4 28. Kc2 Bxd2 29. Kxd2 Bc6 30. Bf3 Kd7 31. Ke3 g5 32. c4 Kd6 33. b4 Bxf3 34. gxf3 Ke5 35. a4 b6 36. Kd3 Kd6 37. Kd4 f6 38. Ke4 Kc6 39. Kd4 Kd6 40. Ke4 Kc6 41. Kd4 Kd6 42. b5 f5 43. f4 fxg4 44. fxg5 Ke7 45. Ke3 e5 46. c5 bxc5 47. a5 1-0

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.10"]
[Round "6"]
[White "Prins, Lodewijk"]
[Black "Cornelis, Frans B"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "76"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Nc6 6. 0-0 Qd7 7. d3 Nf6 8. Be3 e5 9. Nbd2 Nd5 10. Ne4 b6 11. Nc3 Nc7 12. Re1 Be7 13. Qe2 0-0 14. Qf1 f6 15. h3 Be6 16. a3 Rad8 17. Rad1 Rfe8 18. Kh2 Bf8 19. Ne2 Nd5 20. Bc1 Nd4 21. Nfxd4 cxd4 22. Bd2 Rc8 23. Rc1 Qb5 24. b4 Bf7 25. f4 Qa4 26. Bxd5 Bxd5 27. c4 Ba8 28. fxe5 fxe5 29. b5 Qxa3 30. Ng1 Rc7 31. Qe2 Rf7 32. Rf1 Qe7 33. Nf3 h6 34. Nh4 Rxf1 35. Rxf1 Qb7 36. Qh5 Re6 37. g4 Rf6 38. Rd1 g6 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.08"]
[Round "5"]
[White "Pritchett, Craig William"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "71"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Scotland"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 d6 3. Bc4 c6 4. d4 Nd7 5. Nc3 b5 6. Bb3 b4 7. Ne2 Be7 8. 0-0 Ngf6 9. Ng3 0-0 10. Re1 c5 11. c3 Bb7 12. Bg5 Ne8 13. Be3 bxc3 14. bxc3 Bf6 15. Rb1 Rb8 16. Qd2 Nc7 17. d5 g6 18. Bh6 Bg7 19. Bc2 Bxh6 20. Qxh6 Qf6 21. Ba4 Nb6 22. Rxb6 axb6 23. Nf5 Nxd5 24. Ng5 Qh8 25. Nxd6 Nxc3 26. Bb3 Qg7 27. Qh4 b5 28. Bxf7+ Rxf7 29. Ngxf7 Rf8 30. Re3 b4 31. Rf3 h5 32. Qe7 Bxe4 33. Ne8 Rxf7 34. Rxf7 Qxf7 35. Nf6+ Kg7 36. Ne8+ 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.06"]
[Round "3"]
[White "Boutteville, Cesar"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "120"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "France"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. Nf3 Bd6 11. 0-0 0-0 12. e4 dxe4 13. Nxe4 Be7 14. Rad1 Nxe4 15. Qxe4 Bxh4 16. Nxh4 Re8 17. Qg4 Nf6 18. Qf3 Re4 19. g3 Rxd4 20. Nf5 Rxd1 21. Rxd1 Nd5 22. Qa3 Qb6 23. b3 Re8 24. Qb2 f6 25. Qc2 Re5 26. Nd4 Qc7 27. Nf3 Re7 28. Qc5 a6 29. b4 Qd7 30. a3 Re4 31. Qc2 Qe7 32. Kf1 Re3 33. Rxd5 Rxf3 34. Qc4 Kh8 35. Rd3 Rxd3 36. Qxd3 c5 37. bxc5 Qxc5 38. Qd8+ Kh7 39. Qd3+ Kg8 40. Qb3+ Kf8 41. a4 b5 42. Qd1 bxa4 43. Qd8+ Kf7 44. Qd7+ Kg8 45. Qe6+ Kh7 46. Qxa6 Qc2 47. h4 Qb3 48. Qa8 Qd3+ 49. Kg1 a3 50. Kh2 f5 51. h5 Qb3 52. Qa6 a2 53. Qg6+ Kh8 54. Qe8+ Qg8 55. Qa4 Qf7 56. Kg1 Qe6 57. Kh2 Qe2 58. Qa7 Qxh5+ 59. Kg2 Qe2 60. Qa3 Qe4+ 0-1

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.05"]
[Round "2"]
[White "Bednarski, Jacek B"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "C72"]
[PlyCount "75"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 g5 6. d4 g4 7. Bxc6+ bxc6 8. Ne1 exd4 9. Qxd4 Qf6 10. Qa4 Ne7 11. Nd3 Bg7 12. Qa5 Ra7 13. Re1 Kf8 14. Bg5 Qe6 15. e5 Nd5 16. exd6 Qxd6 17. Nd2 Bd4 18. c4 Qg6 19. cxd5 Kg7 20. Ne4 Re8 21. Nf4 Qf5 22. Nh5+ Kg6 23. Nf4+ Kg7 24. Nh5+ Kg6 25. Nhg3 Qxd5 26. Bd2 Rb7 27. Qxd5 cxd5 28. Bc3 Bxc3 29. Nxc3 Rxe1+ 30. Rxe1 d4 31. Na4 c5 32. b3 c4 33. bxc4 Rb4 34. Nc5 Rxc4 35. Nd3 Rc2 36. Rc1 Rd2 37. Nf4+ Kf6 38. Ne4+ 1-0

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.11.03"]
[Round "7"]
[White "Prins, Lodewijk"]
[Black "Diaz Carias, Salvador"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "113"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "VEN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Bf4 0-0-0 10. 0-0-0 Ne7 11. Bg3 h5 12. h3 h4 13. Bh2 Ng6 14. f4 Bd6 15. f5 Ne5 16. Nf3 Rde8 17. Nxe5 fxe5 18. Rdf1 Ref8 19. Rf3 Rf7 20. g4 hxg3 21. Rxg3 Be7 22. Bg1 Be8 23. Be3 b5 24. Nb1 c5 25. Nd2 Bc6 26. Rh2 c4 27. Rg4 Kb7 28. h4 Rd8 29. Bg5 c3 30. bxc3 Ba3+ 31. Kd1 Rd6 32. Ke2 b4 33. c4 a5 34. h5 a4 35. Nf3 Bb2 36. h6 gxh6 37. Rxh6 Rxh6 38. Bxh6 Rh7 39. Bd2 Be8 40. Bxb4 Bf7 41. a3 Bxc4+ 42. Kf2 Kb6 43. Rg1 Ba2 44. Bd2 Kc6 45. Bc1 Bc3 46. f6 Rd7 47. Kg3 Rd8 48. Kg4 Be6+ 49. Kh5 Bd4 50. Rg7 Rh8+ 51. Kg6 Rh1 52. Bd2 Bb2 53. Re7 Ba2 54. Nxe5+ Kb7 55. Bb4 Rg1+ 56. Kh7 Rh1+ 57. Kg7 1-0

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.10.31"]
[Round "6"]
[White "Martinez, Juan Ramon"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "A31"]
[PlyCount "42"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Panama"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "PAN"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. Bg2 cxd4 6. Nxd4 Nc6 7. 0-0 Qb6 8. e3 Nh5 9. Nc3 0-0 10. Nd5 Qc5 11. Nf5 gxf5 12. Qxh5 e6 13. e4 exd5 14. Bh6 Qd6 15. Bxg7 Kxg7 16. exf5 d4 17. Rfe1 Qf6 18. Re4 h6 19. Rae1 d6 20. g4 Bd7 21. h4 Rh8 0-1

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Bouaziz, Nejib"]
[Black "Prins, Lodewijk"]
[Result "0-1"]
[ECO "A46"]
[PlyCount "86"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Tunisia"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "TUN"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. dxc5 Na6 6. 0-0 Nxc5 7. Nc3 b6 8. Rb1 Bb7 9. Bf4 0-0 10. h3 a6 11. Qc1 b5 12. a3 Rc8 13. Bh6 Bxh6 14. Qxh6 Nce4 15. Nxe4 Bxe4 16. Rbc1 Bxc2 17. Ng5 Qa5 18. e4 d6 19. f4 Bxe4 20. Rxc8 Rxc8 21. Bxe4 Qd2 22. f5 Rc1 23. fxg6 Rxf1+ 24. Kxf1 Qc1+ 25. Kg2 Qxb2+ 26. Kg1 Qa1+ 27. Kh2 Qa2+ 28. Bg2 hxg6 29. Qh4 Qxa3 30. Ne4 Nxe4 31. Qxe4 e6 32. Qd4 d5 33. h4 b4 34. h5 Qc3 35. Qg4 Qh8 36. Qf4 Qxh5+ 37. Kg1 Qd1+ 38. Kh2 Qa1 39. Qd2 a5 40. Bf3 a4 41. Bd1 a3 42. Bb3 Qb2 43. Qxb2 axb2 0-1

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.10.29"]
[Round "4"]
[White "Prins, Lodewijk"]
[Black "Bedros, Jacques"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "55"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Lebanon"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "LBN"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 a6 7. Be2 g6 8. Be3 Bd7 9. Nd5 Nxd5 10. cxd5 Nxd4 11. Qxd4 f6 12. Qb4 b5 13. h4 h5 14. f3 Bg7 15. g4 Rc8 16. Kf2 Kf7 17. Qd2 hxg4 18. fxg4 Qc7 19. Rac1 Qb7 20. Rcg1 Qc7 21. Bd3 e6 22. h5 gxh5 23. gxh5 Rcg8 24. e5 exd5 25. Rc1 Qb8 26. Bg6+ Ke7 27. exd6+ Kd8 28. Qa5+ 1-0

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.10.27"]
[Round "2"]
[White "Prins, Lodewijk"]
[Black "Boey, Josef Martin"]
[Result "1/2-1/2"]
[ECO "C36"]
[PlyCount "148"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Netherlands"]
[BlackTeam "Belgium"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "BEL"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. d4 cxd5 7. Bxf4 Bb4+ 8. Nc3 0-0 9. Be2 Nc6 10. 0-0 Bxc3 11. bxc3 dxc4 12. Bg5 Qd6 13. Bxf6 Qxf6 14. Qd2 Qd6 15. Bxc4 Na5 16. Bd3 Be6 17. Ng5 h6 18. Nxe6 Qxe6 19. Rae1 Qd6 20. Re5 b6 21. Ref5 Rae8 22. Bc2 Qc6 23. Qd3 Qc4 24. Rxf7 Qxd3 25. Rxf8+ Rxf8 26. Rxf8+ Kxf8 27. Bxd3 Ke7 28. Kf2 Kd6 29. Ke3 Nc6 30. Be4 Ne7 31. a4 a6 32. Bb7 a5 33. Be4 Ke6 34. Kd3 Nc8 35. g4 Nd6 36. c4 Ne8 37. c5 bxc5 38. dxc5 Ke5 39. Bf3 Nc7 40. Kc4 Kf4 41. Bd1 Ke5 42. Bc2 g5 43. Bd1 Ke6 44. Kd4 Kd7 45. Bb3 Na6 46. Bc4 Nb4 47. Bb5+ Ke6 48. Ke4 Nc2 49. Bc6 Nb4 50. Bb5 Nc2 51. Bd3 Nb4 52. Bc4+ Kf6 53. Bb3 Ke7 54. Kf5 Nd3 55. c6 Kd6 56. Bd1 Kxc6 57. Kg6 Nf2 58. Be2 Kc5 59. Kxh6 Kb4 60. Kxg5 Kxa4 61. Bc4 Kb4 62. Bd5 Kc5 63. Ba2 Kd6 64. h4 Ke5 65. h5 Nxg4 66. Bb3 Nf6 67. h6 Nh7+ 68. Kg6 Nf8+ 69. Kg7 Kf5 70. Bf7 Kg5 71. Bd5 a4 72. Ba2 a3 73. Bf7 Kf4 74. Kxf8 a2 1/2-1/2

[Event "Olympiad-17 Preliminaries F"]
[Site "Havana"]
[Date "1966.10.26"]
[Round "1"]
[White "Szabo, Laszlo"]
[Black "Prins, Lodewijk"]
[Result "1-0"]
[ECO "A52"]
[PlyCount "79"]
[EventDate "1966.10.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "CUB"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Hungary"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "HUN"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Bb4+ 5. Nd2 d6 6. a3 dxe5 7. Bg3 Bxd2+ 8. Qxd2 Qxd2+ 9. Kxd2 Nc6 10. f3 Nh6 11. e4 Be6 12. Kc3 f6 13. Bd3 Nf7 14. Ne2 Ke7 15. Bf2 Rhd8 16. Rhd1 Rd7 17. Bc2 Nd6 18. Bc5 Na5 19. Ba4 Rdd8 20. b3 Bd7 21. Bxd6+ cxd6 22. Bxd7 Rxd7 23. Rd5 b6 24. Ng3 g6 25. Nf1 Ke6 26. Ne3 f5 27. exf5+ gxf5 28. f4 Rf7 29. Rad1 Nb7 30. Re1 Nc5 31. fxe5 dxe5 32. g4 fxg4 33. Nxg4 Rf3+ 34. Kc2 e4 35. Re5+ Kf7 36. R5xe4 Rxb3 37. Rf4+ Kg6 38. Rg1 Kg5 39. Rf7 Rxa3 40. Ne3+ 1-0

[Event "Match/Nation NED-FRG"]
[Site "Arnhem"]
[Date "1966.03.20"]
[Round "2.2"]
[White "Pfleger, Helmut"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "D47"]
[PlyCount "50"]
[EventDate "1966.03.19"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. d4 Be7 6. Bd3 Nbd7 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 b4 10. Ne4 Nxe4 11. Bxe4 Bb7 12. Ne1 Qb6 13. Nd3 0-0 14. Bd2 c5 15. Bxb7 Qxb7 16. dxc5 Nxc5 17. Nxc5 Bxc5 18. Rc1 Be7 19. Qe2 Rfd8 20. e4 Bf6 21. Bf4 Rd4 22. f3 Rd7 23. Be3 Bd4 24. Bxd4 Rxd4 25. Rfd1 Rxd1+ 1/2-1/2

[Event "NED-ch22 playoff"]
[Site "Amsterdam"]
[Date "1965.12.04"]
[Round "4"]
[White "Zuidema, Coen"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "41"]
[EventDate "1965.11.06"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 b6 8. Ne5 Bb7 9. Bb5+ c6 10. Qf3 Qd5 11. Qxd5 Nxd5 12. Ba4 Rc8 13. c4 Nf6 14. f3 Bd6 15. Be3 Ke7 16. Nd3 Ba6 17. Bb3 Nd7 18. Nf4 c5 19. d5 Ne5 20. dxe6 fxe6 21. Kf2 1/2-1/2

[Event "NED-ch22 playoff"]
[Site "Amsterdam"]
[Date "1965.11.20"]
[Round "3"]
[White "Prins, Lodewijk"]
[Black "Zuidema, Coen"]
[Result "1-0"]
[ECO "C35"]
[PlyCount "73"]
[EventDate "1965.11.06"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Nc3 Bh4+ 5. Ke2 d5 6. Nxd5 Nf6 7. Nxf6+ Qxf6 8. e5 Qe7 9. d4 0-0 10. g3 Bg5 11. gxf4 Bh6 12. Qe1 f6 13. Qh4 Qe8 14. Rg1 Kh8 15. Kf2 fxe5 16. fxe5 Bxc1 17. Rxc1 Bf5 18. Rg3 Nc6 19. c3 Ne7 20. Kg1 h6 21. Re1 Bh7 22. Qg4 Nf5 23. Rg2 Qe7 24. Rf2 Rad8 25. Bc4 c6 26. a4 Bg8 27. Bxg8 Kxg8 28. Nd2 Nd6 29. Ref1 Rxf2 30. Rxf2 Ne8 31. Ne4 c5 32. Nxc5 Nc7 33. Nxb7 Rb8 34. Nd6 Ne6 35. Nf5 Qg5 36. Qxg5 Nxg5 37. Kg2 1-0

[Event "NED-ch22 playoff"]
[Site "Amsterdam"]
[Date "1965.11.13"]
[Round "2"]
[White "Zuidema, Coen"]
[Black "Prins, Lodewijk"]
[Result "1/2-1/2"]
[ECO "B17"]
[PlyCount "91"]
[EventDate "1965.11.06"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 a6 12. Ngf3 Nbd5 13. a3 Bd6 14. c4 Nb6 15. 0-0 Nbd7 16. Nxd7 Bxd7 17. b3 Qa5 18. Bb2 Qh5 19. Ne5 Qxe2 20. Bxe2 Bxe5 21. Bxe5 Bc6 22. b4 Nd7 23. Bd4 0-0 24. a4 Rac8 25. f3 b6 26. a5 bxa5 27. Rxa5 Bb7 28. f4 Rfd8 29. Ra3 Nb8 30. Be3 Rd7 31. Rb1 Be4 32. Rb2 Rcd8 33. Kf2 Bd3 34. Bb6 Bxe2 35. Bxd8 Bxc4 36. Bb6 Nc6 37. Bc5 Rd1 38. Rc3 Bb5 39. Rcc2 Kh7 40. Rd2 Rf1+ 41. Kg3 Kg6 42. Rf2 Re1 43. Kh4 Re4 44. g4 Rc4 45. Rbc2 Re4 46. Rb2 1/2-1/2

[Event "NED-ch22 playoff"]
[Site "Amsterdam"]
[Date "1965.11.06"]
[Round "1"]
[White "Prins, Lodewijk"]
[Black "Zuidema, Coen"]
[Result "1/2-1/2"]
[ECO "E25"]
[PlyCount "178"]
[EventDate "1965.11.06"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "NED"]
[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. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 f5 9. Qc2 0-0 10. e4 fxe4 11. fxe4 Qh4+ 12. g3 Qf6 13. Bd3 Qxc3+ 14. Qxc3 Nxc3 15. Be3 Bd7 16. Ne2 Nxe2 17. Kxe2 Bc6 18. Bf4 Nd7 19. Bd6 Rfd8 20. Ke3 Nf6 21. h3 b6 22. Rhc1 bxc5 23. Bxc5 Be8 24. e5 Nd5+ 25. Kd2 Nb6 26. Bd6 Rac8 27. Ba6 Rc6 28. Rxc6 Bxc6 29. Rc1 Bg2 30. h4 Rd7 31. Ke3 Rf7 32. Be2 Bd5 33. a4 Bb7 34. a5 Nd5+ 35. Kd4 Ne7 36. Kc5 a6 37. Bg4 Bc8 38. Kb4 Nd5+ 39. Ka3 Bd7 40. Be2 g6 41. Rf1 Rxf1 42. Bxf1 Bc8 43. Bc5 Kf7 44. Kb3 Ke8 45. Bd3 Nc7 46. Kc4 Bd7 47. Be4 Bb5+ 48. Kd4 Nd5 49. Ba3 Be2 50. Bc1 Kd7 51. Kc5 Kc7 52. Bd2 Ne7 53. Be3 Nf5 54. Bf2 Ne7 55. Be1 Nd5 56. Bc2 Bb5 57. Bd2 Ne7 58. g4 Be2 59. g5 Bb5 60. Be1 Be2 61. h5 Bb5 62. h6 Nf5 63. Bb3 Kd7 64. Bf2 Ne7 65. Kb6 Nc6 66. Bc2 Nxe5 67. Bg3 Nd3 68. Bd1 Nb4 69. Bf3 Nd5+ 70. Kc5 Ke7 71. Be4 Kf7 72. Be5 Be2 73. Bc2 Bb5 74. Bb3 Ke7 75. Bd4 Be2 76. Ba4 Bd3 77. Bc6 Kf7 78. Bb7 Ke7 79. Be5 Bb5 80. Bc8 Ne3 81. Bd4 Nc4 82. Bf6+ Kf7 83. Bc3 Ke7 84. Bb7 Ke8 85. Be4 Kf7 86. Bb1 Ne3 87. Bd4 Nc4 88. Bc3 Ne3 89. Be4 Nc4 1/2-1/2

