[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.12"] [Round "1"] [White "Olafsson, Fridrik"] [Black "Hort, Vlastimil"] [Result "1/2-1/2"] [BlackElo "2395"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A04"] [Opening "Reti: 1...g6"] 1.Nf3 g6 2.d4 Nf6 3.c4 d5 4.cxd5 Nxd5 5.e4 Nb6 6.h3 Bg7 7.Nc3 O-O 8.Be2 Nc6 9.d5 Ne5 10.Nxe5 Bxe5 11.Bh6 Re8 12.a4 a5 13.O-O e6 14.f4 Bg7 15.Bxg7 Kxg7 16.Bb5 Bd7 17.dxe6 Rxe6 18.Qd4+ f6 19.Rfd1 Rd6 20.Qc5 Bxb5 21.Qxb5 Qe7 22.Re1 Rd4 23.Nd5 Qd6 24.Rac1 Nxd5 25.exd5 Rd8 26.Qxb7 Rd7 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.13"] [Round "2"] [White "Langeweg, Kick"] [Black "Olafsson, Fridrik"] [Result "0-1"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 c5 6. Bg2 d6 7. d4 Ne4 8. O-O Nc6 9. e3 Bg4 10. Qc1 Nb4 11. Ne1 Nf6 12. Bxb7 Rb8 13. Bf3 Nd3 14. Nxd3 Bxf3 15. Qc2 cxd4 16. exd4 e6 17. Nd2 Ba8 18. Rae1 Qa5 19. f3 Rfc8 20. Bc3 Qb6 21. Nf2 h5 22. Qd3 Qa6 23. a4 Nd5 24. Ba1 Nb4 25. Qc3 Nc6 26. Qe3 Nb4 27. Rc1 Qb6 28. c5 Qc6 29. Rc4 Nd5 30. Qe2 Qa6 31. Nfe4 Nc3 32. Bxc3 d5 33. Nd6 dxc4 34. Nxc8 Rxc8 35. Qxc4 Qc6 36. Ne4 Rb8 37. Nd6 Qd7 38. Nb5 a6 39. Nd6 Bd5 40. Qxa6 Rxb3 41. Ba1 Kh7 42. Qc8 Qxc8 43. Nxc8 Ra3 44. Bb2 Rxa4 45. Nb6 Ra2 46. Bc3 Bc6 47. d5 exd5 48. Bxg7 Kxg7 49. Rf2 Ra1+ 50. Rf1 Ra3 51. Rc1 d4 52. Nc4 Rc3 {#R} 0-1

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.14"] [Round "3"] [White "Olafsson, Fridrik"] [Black "Kuijpers, Frans"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A14"] [Opening "English: Neo-Catalan Declined"] 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Nd5 11. Nc3 Nxf4 12. gxf4 Nd7 13. Rad1 Qc8 14. f5 exf5 15. Qxf5 Nf6 16. Qxc8 Raxc8 17. Ne5 Bxg2 18. Kxg2 c6 19. f4 Rfd8 20. Kf3 Ne8 21. e3 f6 22. Nd3 g6 23. Ne4 f5 24. Nec5 Bxc5 25. Nxc5 Nc7 26. Rc1 Rd6 27. Rc2 Nd5 28. a3 a5 29. Nd3 Kf7 30. Ne5+ Ke6 31. h4 Ne7 32. h5 Kf6 33. Rh1 Rdd8 34. Rhc1 Rd6 35. Rh2 Rdd8 36. Rhc2 Rd6 37. Rg2 Kg7 38. b3 Rc7 39. Rh2 Rd8 40. hxg6 hxg6 41. Rch1 Kf6 42. Rh7 Rcc8 43. Rf7+ Ke6 44. Rhh7 Nd5 45. Nd3 Nb6 46. Re7+ Kd5 47. Nc5 Rb8 48. Re5+ Kd6 49. e4 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.15"] [Round "4"] [White "Ivkov, Borislav"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2395"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A22"] [Opening "English: Bremen, Smyslov, 4.Bg2"] 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. e4 Bxc3 6. bxc3 c6 7. Ne2 d5 8. cxd5 cxd5 9. exd5 Nxd5 10. O-O Nc6 11. Rb1 Nb6 12. d4 Be6 13. Qd2 Bd5 14. dxe5 Nxe5 15. Bxd5 Nxd5 16. Kh1 Qa5 17. c4 Qxd2 18. Bxd2 Nxc4 19. Rxb7 Rfe8 20. Be3 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.17"] [Round "5"] [White "Olafsson, Fridrik"] [Black "Ree, Hans"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A04"] [Opening "Reti: 1...c5"] 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 a5 8. a4 O-O 9. Na3 d5 10. e4 d4 11. Nc4 Rb8 12. cxd4 cxd4 13. Bd2 f6 14. Qb3 Be6 15. Rfc1 Nc8 16. Bh3 Bf7 17. Qb5 N8a7 18. Qb6 Bxc4 19. Qxd8 Rfxd8 20. Rxc4 Kf7 21. Rac1 Bf8 22. Ne1 Bd6 23. f4 h6 24. Nf3 Rh8 25. Kf1 Rbe8 26. Ke2 Kg7 27. Ne1 Rhf8 28. fxe5 fxe5 29. Nc2 Re7 30. Rf1 Rxf1 31. Kxf1 Rc7 32. Ke2 h5 33. Be6 Nd8 34. Rxc7+ Bxc7 35. Bd5 Nac6 36. Na3 Kf6 37. h4 Ke7 38. Nc4 Ke8 39. Bg5 b6 40. Bf6 Kf8 41. Kf3 Ke8 42. Ke2 Kd7 43. Nd2 Nb4 44. Bc4 Nbc6 45. Nf3 Kd6 46. Bg8 Ne6 47. Bf7 Nf8 48. Nd2 Kc5 49. Bg7 Bd6 50. Bxf8 Bxf8 51. Bxg6 Kb4 52. Bxh5 Nd8 53. Be8 Ne6 54. Nc4 Kb3 55. Nxb6 Kxb2 56. Nc4+ Kb3 57. Nxe5 Bd6 58. Ng6 Bxg3 59. h5 Nf4+ 60. Nxf4 Bxf4 61. Kf3 Be5 62. Kg4 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.18"] [Round "6"] [White "Kortschnoj, Viktor"] [Black "Olafsson, Fridrik"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3 g6 3.e4"] 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 e5 6. Nge2 O-O 7. Bg5 c6 8. Qd2 exd4 9. Nxd4 Nbd7 10. O-O-O Qb6 11. Nc2 Nc5 12. Be3 Be6 13. b4 Rfd8 14. Be2 Qc7 15. bxc5 dxc5 16. Qe1 b5 17. Rxd8+ Rxd8 18. cxb5 cxb5 19. Bxb5 Qb6 20. Qg3 Rc8 21. Rd1 a6 22. Rd6 Qa5 23. Na3 c4 24. Rxe6 fxe6 25. Qd6 Kh8 26. Qxe6 Rb8 27. Qd6 Re8 28. Bxc4 Nh5 29. Bb3 Rc8 30. Nc4 Qb5 31. Qd5 Qb8 32. Nd6 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.19"] [Round "7"] [White "Olafsson, Fridrik"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [BlackElo "2379"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3 c6"] 1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O b6 8. b3 e6 9. a4 a5 10. Ne5 Bb7 11. Ba3 Re8 12. b4 Nfd7 13. Nxd7 Nxd7 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.21"] [Round "8"] [White "Van den Berg, Carel"] [Black "Olafsson, Fridrik"] [Result "0-1"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E60"] [Opening "King's Indian: 3.g3"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb4 7. d5 c6 8. a3 Qa5 9. Nc3 cxd5 10. Be3 N4c6 11. exd5 Ne5 12. Nge2 O-O 13. O-O Bg4 14. f3 Bf5 15. Bd4 Qa6 16. h3 Rc8 17. f4 Nc4 18. b3 Nd6 19. Bxg7 Kxg7 20. Qd4+ Kg8 21. Rfc1 Nd7 22. g4 Bd3 23. Qe3 Qb6 24. Qxb6 Nxb6 25. Kf2 Rc5 26. Na2 Bc2 27. Nb4 Rac8 28. Rxc2 Rxc2 29. Nxc2 Rxc2 30. Rc1 Rb2 31. a4 Rxb3 32. Rc7 Kf8 33. Nc3 Rb2+ 34. Kg3 Rc2 35. a5 Na4 {#R} 0-1

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.22"] [Round "9"] [White "Olafsson, Fridrik"] [Black "Huebner, Robert"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. d4 Bg7 5. e4 cxd4 6. Nxd4 Nc6 7. Be3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Bd3 Bb7 12. O-O O-O 13. Bb1 d6 14. f4 Nc5 15. f5 Nd7 16. b3 Ne5 17. Nd5 e6 18. f6 exd5 19. fxg7 Re8 20. cxd5 Kxg7 21. Qd2 f6 22. Bd3 Qe7 23. Bd4 Rac8 24. Rce1 Rf8 25. Rf4 Rc7 26. Ref1 Bc8 27. h3 Bd7 28. Be2 h5 29. a4 Be8 30. R4f2 g5 31. Be3 Rg8 32. Rxf6 Qxf6 33. Rxf6 Kxf6 34. Bd4 Bf7 35. h4 Be8 36. hxg5+ Rxg5 37. Qf4+ Kg6 38. Qf8 Rc1+ 39. Kf2 Rc2 40. Qxe8+ Kh7 41. Bxe5 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.23"] [Round "10"] [White "Gligoric, Svetozar"] [Black "Olafsson, Fridrik"] [Result "1-0"] [WhiteElo "2420"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 Ne4 6. Qc2 cxd4 7. exd4 d5 8. a3 Nxc3 9. Nxc3 Be7 10. cxd5 exd5 11. Nxd5 Nc6 12. Nxe7 Nxd4 13. Qc3 Qxe7+ 14. Be3 Nf5 15. Bb5+ Bd7 16. Bxd7+ Qxd7 17. Bc5 Ne7 18. O-O O-O 19. Rad1 Nd5 20. Bxf8 Rxf8 21. Qf3 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.25"] [Round "11"] [White "Olafsson, Fridrik"] [Black "Andersson, Ulf"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A04"] [Opening "Reti: 1...c5"] 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. Be2 e5 8. h3 Na6 9. Bg5 Bd7 10. Nh2 h6 11. Be3 Kh7 12. h4 Nc7 13. h5 g5 14. Nf1 a6 15. Ng3 b5 16. b3 Rb8 17. a3 Rb7 18. O-O Kh8 19. Qc2 Qe7 20. Bd2 Rfb8 21. Rfb1 Bf8 22. Nd1 bxc4 23. bxc4 Nce8 24. Ne3 Ng7 25. Ba5 Bc8 26. Qd1 Rb2 27. Rxb2 Rxb2 28. Bc3 Rb7 29. Bd3 Qe8 30. Be2 Be7 31. Rb1 Qd7 32. Bd3 Rxb1 33. Bxb1 Qb7 34. Bc2 Bd7 35. Qf3 Qc8 36. Nef5 Nxf5 37. exf5 Kg8 38. Kf1 Qe8 39. Qd1 Qb8 40. Ke1 Bd8 41. Nf1 Bc7 42. Ne3 Qd8 43. Kf1 Ba5 44. Ba1 Qf8 45. g3 Bd8 46. Bc3 Be7 47. Ke1 Qg7 48. Bd3 g4 49. Be2 Nxh5 50. Bxg4 Nf6 51. Bh3 Qg5 52. Bd2 Ne4 53. Bc1 Bd8 54. Kf1 Ba5 55. Kg2 h5 56. Qc2 Nf6 57. Ng4 Qg7 58. Nxf6+ Qxf6 59. Qb3 Bd8 60. Bd2 Kf8 61. Qb8 Kg7 62. f4 e4 63. Bc1 Qe7 64. Qb3 f6 65. Bd2 a5 66. Kf2 a4 67. Qc2 Kf8 68. Ke3 Kg7 69. Qd1 Qe8 70. Qh1 Kf8 71. Bc3 Kg7 72. Qb1 Kf8 73. Qb8 Be7 74. Qb2 Kg7 75. Kxe4 Qc8 76. Qb1 Qa6 77. Kd3 Qc8 78. Ke3 Kf8 79. Kf2 Kg7 80. Qc2 Kf7 81. Kg1 Qh8 82. Bf1 Qg7 83. Qh2 Kf8 84. Bd3 Be8 85. Qh3 Bd8 86. Qh4 Qe7 87. Kf2 Qg7 88. Bc2 Qf7 89. Qh1 Qg7 90. Bd1 Qf7 91. Qe4 Qc7 92. Kg2 Be7 93. Kh3 Qc8 94. Kh4 Bd7 95. Bc2 Be8 96. Bd1 Bd7 97. Bxh5 Bxf5 98. Qe2 Qb7 99. g4 Be4 100. g5 f5 101. Bf3 Bxf3 102. Qxf3 Qb1 103. Kh5 Qc2 104. Kg6 Ke8 {#r} 1-0

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.26"] [Round "12"] [White "Lengyel, Levente"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E60"] [Opening "King's Indian: 3.g3"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. e4 Nb4 7. d5 c6 8. Ne2 cxd5 9. exd5 Bf5 10. Qa4+ N8c6 11. Nbc3 Bc2 12. b3 b5 13. Nxb5 O-O 14. Nbc3 Nd3+ 15. Kf1 Ncb4 16. a3 Rc8 17. axb4 Bxc3 18. Nxc3 Nxc1 19. Rxc1 Rxc3 20. Re1 Qb6 21. Be4 Bxe4 22. Rxe4 Rc1+ 23. Kg2 Rxh1 24. Kxh1 Qxf2 25. Rf4 Qd2 26. Qd7 Qe3 27. Kg2 Rb8 28. Rc4 Kg7 29. Qc7 Rb6 30. Qxa7 Qd2+ 31. Kg1 Qd1+ 32. Kf2 Qd2+ 33. Kg1 Qe1+ 34. Kg2 Qe2+ 35. Kg1 Rf6 36. Rf4 Ra6 37. Qf2 Qd1+ 38. Qf1 Qxf1+ 39. Kxf1 Rb6 40. Ke2 Rb5 41. Rd4 Kf6 42. d6 exd6 43. Rxd6+ Ke5 44. Rd7 Rxb4 45. Rxf7 Rxb3 46. Rxh7 Kf5 47. Kf2 g5 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.27"] [Round "13"] [White "Olafsson, Fridrik"] [Black "Najdorf, Miguel"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: KIA"] 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 Nbd7 7. O-O e5 8. dxe5 Ng4 9. Na3 dxe5 10. h3 Nh6 11. e4 f6 12. Nc4 Nb6 13. Qxd8 Rxd8 14. Na5 Bf8 15. a3 Nf7 16. Rfd1 Re8 17. Ne1 Rb8 18. Nd3 Nd7 19. Bc1 Nc5 20. Be3 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.28"] [Round "14"] [White "Mecking, Henrique"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2235"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5 5.Bd3"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. g3 h6 11. h4 Bg4 12. Qa4+ Bd7 13. Qb3 Qc7 14. Ng1 Nh7 {#d} 1/2-1/2

[Event "Hoogovens"] [Site "Wijk aan Zee"] [Date "1971.01.30"] [Round "15"] [White "Olafsson, Fridrik"] [Black "Donner, Jan Hein"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. g3 O-O 6. Bg2 Nbd7 7. Qd3 dxc4 8. Qxc4 a6 9. Qd3 c5 10. O-O cxd4 11. Qxd4 Nc5 12. Bf4 Qxd4 13. Nxd4 Rd8 14. Rfd1 Bd7 15. Bc7 Rdc8 16. Bb6 a5 17. Rd2 a4 18. a3 Bd8 19. Bxd8 Rxd8 20. Rad1 Kf8 21. f4 Ke7 22. e4 Ne8 23. e5 Nc7 24. Kf2 Rab8 25. Ke3 Na8 26. Nc2 Nb6 27. Rd4 Bc6 28. Bf3 Bxf3 29. Kxf3 Rxd4 30. Rxd4 Rd8 31. Rb4 Nd5 32. Nxd5+ Rxd5 33. Ne3 Rd2 34. Rb5 b6 35. Rxb6 Kd7 36. Nc4 Rxh2 37. Rb5 Kc6 38. Rb8 f6 39. Rg8 Kb5 40. Nd6+ Kc6 41. Rc8+ Kd5 42. Rd8 Kc6 {#d} 1/2-1/2