[Event "IBM"] [Site "Amsterdam"] [Round "1"] [White "Olafsson, Fridrik"] [Black "Donner, Jan Hein"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A17"] [Opening "English: Anglo-Indian, 2.Nc3 e6 3.Nf3 d5"] 1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.g3 O-O 6.Bg2 dxc4 7.Ne5 c5 (7...Nc6!?) 8.dxc5 Qxd1+ (8...Qc7 9.Nxc4 Qxc5 10.Qb3 Nc6 11.Be3 Nd4 12.Bxd4 Qxd4 $10 {Averbakh, Neistadt/}) 9.Nxd1 Bxc5 (9...Nbd7?! 10.Nxc4 Nxc5 11.Nc3 Bd7 12.Na5 Nd5 13.Nxd5 exd5 14.Bxd5 $16 {Korchnoi,V-Petrosian,T/Ciocco (m/3)/1977/0,5/39/}) 10.Nxc4 (10.O-O Nc6 (10...Nd5!?) 11.Nxc4 (11.Nxc6 bxc6 12.Bxc6 Rb8 $132) (11.Bxc6!? bxc6 12.Be3) 11...Bd7 {- 10.Nc4/}) (10.Bd2 Nc6 (10...Nd5 11.Nxc4 Nc6 12.Rc1 Be7 13.Nde3 Nxe3 14.Bxe3 Bd7 15.O-O Rfd8 16.Rfd1 Be8 17.Rxd8 Rxd8 18.a3 $14 {Beliavsky,A-Karpov,An/Reykjavik/ 1991/0,5/69/}) 11.Bxc6 bxc6 12.Rc1 Ba6 13.Nxc4 Rfd8 $10 {Korchnoi,V-Short,N/ Hastings/1988/0,5/28/}) 10...Nc6 11.O-O! (11.Be3 Bb4+ 12.Bd2 (12.Nc3 Nd5 13.Bd2 Bxc3 14.bxc3 b6 15.Na3 Bb7 16.c4 Nf6 17.O-O Rfc8 18.Rfc1 Nd8 $10 { Speelman,J-Beliavsky,A/Belfort/1988/0,5/42/}) 12...Bxd2+ 13.Nxd2 Bd7 14.Nc4 Rfd8 15.Nd6 (15.Nc3 Kf8 $10 {Korchnoi,V-Petrosian,T/Ciocco(m/9)/1977/0,5/43/}) 15...Rab8 16.Nc3 Ne8 17.O-O-O Nxd6 18.Rxd6 Kf8 $10 {Korchnoi,V-Hort,V/ Amsterdam/1988/0,5/46/}) 11...Bd7 12.Nc3 (12.Be3!? Be7 (12...Nd4 13.Nc3 $14) 13.Nc3 Rfd8 (13...Rac8?! 14.Rad1 Rfd8 15.Bf4 Be8 16.Nd6 Bxd6 17.Bxd6 $16 {^^ Sherbakov,R-Gavriliuk,A/URS/1988/}) 14.Rac1 $14 {Panchenko, Sherbakov/}) 12...Rad8 13.Bf4 b6 (13...Nd5!? 14.Bd6! (14.Nxd5?! exd5 15.Bxd5 Nd4 $44) 14...Bxd6 15.Nxd6 Nxc3 16.bxc3 $14 b6 $140 17.Rfd1) 14.Rfd1 $14 Ne7 {/\ Bc6/} 15.Ne5 Bc8 16.Nd3 (16.Na4 $142 Nfd5 17.Nxc5 Nxf4 18.gxf4 bxc5 19.Rac1 Ba6 $14) 16...Nfd5! 17.Nxc5 Nxf4 18.gxf4 bxc5 19.e3 Ba6 20.Ne4 c4 21.Nc5 Bb5 22.Rac1 Nd5? (22...Rxd1+ 23.Rxd1 Rb8 $14) 23.a4 $16 Rc8 (23...Bc6 24.Rxc4 $16 (24.Rd4!? Nb4 25.Rxd8 Rxd8 26.Bxc6 Nxc6 27.Rxc4 Rd1+ 28.Kg2 $16) 24...Nxf4? 25.Rxd8 Ne2+ 26.Kf1 Bxg2+ 27.Kxg2 Rxd8 28.Rc2 $18) 24.Nxe6! fxe6 25.axb5 Rc5 (25...Nb6 26.Ra1 Rc7 27.Rd6 $16) 26.Rd4 Rfc8 27.f5! Nb6 (27...c3 $16) 28.fxe6 $18 Re8 29.Rd6 Re5 30.Ra1 (30.Ra1 R8xe6 31.Rxe6 Rxe6 32.Rxa7 Rd6 33.Bc6 $18) {#r} 1-0

[Event "IBM"] [Site "Amsterdam"] [Round "2"] [White "Szabo, Laszlo"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2505"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 c5 9. O-O Nc6 10. Be3 cxd4 11. cxd4 Na5 12. Bd3 b6 13. Qd2 Bb7 14. Bh6 e6 15. Bxg7 Kxg7 16. Qf4 Qe7 17. Rad1 Rad8 18. Rfe1 Nc6 19. Qe3 Qb4 20. Rb1 Qd6 21. d5 exd5 22. exd5 Qxd5 23. Nf4 Qd4 24. Qg3 Rfe8 25. h4 Kh8 26. h5 Ne5 27. Bc2 gxh5 28. Red1 Qc5 29. Rxd8 Rxd8 30. Qh4 Rg8 31. Qf6+ Rg7 32. Qd8+ Rg8 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "3"] [White "Olafsson, Fridrik"] [Black "Ligterink, Gert"] [Result "1/2-1/2"] [BlackElo "2400"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "B40"] [Opening "Sicilian: Open, 2...e6, 4.Nxd4"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qc7 7. Bb3 Nxe4 8. Nxe6 dxe6 9. Nxe4 Qe5 10. Qe2 Nd4 11. Qe3 Nxb3 12. axb3 Be7 13. Nc3 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "4"] [White "Bohm, Hans"] [Black "Olafsson, Fridrik"] [Result "1-0"] [WhiteElo "2425"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "D03"] [Opening "Torre Attack: 3...e6 4.e3 c5"] 1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 c5 5. c3 Qb6 6. Bxf6 gxf6 7. Qc2 Nc6 8. Nbd2 Bd7 9. Be2 f5 10. O-O Rc8 11. Rac1 Bd6 12. c4 cxd4 13. cxd5 exd5 14. exd4 Nxd4 15. Qd3 Rxc1 16. Rxc1 Ne6 17. g3 f4 18. Qxd5 fxg3 19. Ne4 gxf2+ 20. Kf1 Ke7 21. Rd1 Rg8 22. Qxd6+ Qxd6 23. Rxd6 Bc6 24. Nfd2 Rg1+ 25. Kxf2 Rh1 26. Bf3 Ra1 27. a3 f5 28. Rxe6+ Kxe6 29. Nc5+ Ke5 30. Nc4+ Kf4 {#r} 1-0

[Event "IBM"] [Site "Amsterdam"] [Round "5"] [White "Olafsson, Fridrik"] [Black "Miles, Anthony J"] [Result "1/2-1/2"] [BlackElo "2510"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. d4 Bg7 6. Be2 O-O 7. O-O Nbd7 8. cxd5 cxd5 9. Qb3 e6 10. Bd2 Ne4 11. Rfc1 Nxd2 12. Nxd2 Nb8 13. Bb5 Bd7 14. Bxd7 Qxd7 15. Qb5 Rc8 16. a4 Bf8 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "6"] [White "Ree, Hans"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E30"] [Opening "Nimzo-Indian: Leningrad, 4...h6"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 7. e3 Bxc3+ 8. bxc3 e5 9. f3 Nbd7 10. Bd3 Nf8 11. Qc2 Kd7 12. Ne2 Kc7 13. O-O g5 14. Bf2 Qe8 15. Ng3 Ng6 16. Rab1 h5 17. Nf5 Ne7 18. Nxe7 Qxe7 19. Bf5 Bxf5 20. Qxf5 Nd7 21. Rb2 Nb6 22. Rfb1 Rab8 23. Qd3 Qd7 24. Rb5 f5 25. e4 f4 26. Bxc5 dxc5 27. Rxc5+ Kd8 28. Rcb5 Rh6 29. c5 Nc8 30. c4 a6 31. R5b3 b5 32. cxb5 axb5 33. Rxb5 Rxb5 34. Rxb5 Ra6 35. d6 Rxa2 36. Qc4 Ra1+ 37. Kf2 Nxd6 38. cxd6 Qa7+ 39. Rc5 Ra2+ 40. Kf1 Ra1+ 41. Ke2 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "7"] [White "Olafsson, Fridrik"] [Black "Farago, Ivan"] [Result "1/2-1/2"] [BlackElo "2420"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A17"] [Opening "English: Anglo-Indian, 2.Nc3 e6 3.Nf3 d5"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. g3 Nc6 7. Bg2 Nxd4 8. Nxd4 Nxc3 9. bxc3 cxd4 10. Qxd4 Qxd4 11. cxd4 Bd6 12. O-O Rb8 13. e4 b5 14. a3 Bb7 15. Bd2 O-O 16. Bb4 Rfd8 17. Rfd1 Rbc8 18. d5 exd5 19. exd5 Kf8 20. Ba5 Bc7 21. Bb4+ Bd6 22. Rab1 Bxb4 23. Rxb4 a6 24. a4 Rc4 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "8"] [White "Sigurjonsson, Gudmundur"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Be6 13. Nf1 Nc4 14. Ne3 Nxe3 15. Bxe3 Rfc8 16. dxe5 dxe5 17. Nh4 Ne8 18. Nf5 Bf8 19. Qf3 f6 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "9"] [White "Olafsson, Fridrik"] [Black "Langeweg, Kick"] [Result "0-1"] [BlackElo "2450"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "B45"] [Opening "Sicilian: Taimanov, 5.Nc3"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 d6 7. Be3 Nf6 8. f4 Be7 9. Qd2 O-O 10. O-O-O Qc7 11. g4 b5 12. g5 Nd7 13. f5 b4 14. Na4 Nxd4 15. Bxd4 Qa5 16. f6 Bd8 17. b3 Bb7 18. fxg7 Re8 19. h4 Bxe4 20. Rhf1 Ne5 21. Rf4 Bf5 22. Rdf1 Qd5 23. Nb6 Bxb6 24. Bxb6 Qc6 25. Bd4 Rac8 26. Bxe5 dxe5 27. Rc4 Qg2 28. Re1 a5 29. Rxc8 Rxc8 30. Bc4 Qxd2+ 31. Kxd2 Rd8+ 32. Kc1 e4 33. Re3 Kxg7 34. c3 Kg6 35. Be2 f6 36. gxf6 Kxf6 37. Kc2 Ke5 38. Rg3 Kf4 39. Rg1 e3+ 40. Kc1 Rd2 {#R} 0-1

[Event "IBM"] [Site "Amsterdam"] [Round "10"] [White "Kurajica, Bojan"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2525"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "B13"] [Opening "Caro-Kann: Exchange, 4.Bd3"] 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Bg4 6. Qb3 Qc7 7. h3 Bd7 8. Nf3 Nc6 9. O-O e6 10. Re1 Bd6 11. Qd1 Ng8 12. Nbd2 Nge7 13. Nf1 O-O-O 14. b3 f6 15. c4 Bf4 16. Bd2 Bxd2 17. Qxd2 g5 18. Rac1 Kb8 19. b4 Qb6 20. cxd5 Nxd5 21. Rc4 h5 22. Be2 Nce7 23. a3 Nf5 24. Rc5 g4 25. hxg4 hxg4 26. N3h2 g3 27. Nxg3 Nxg3 28. fxg3 Qd6 29. Nf1 b6 30. Rcc1 Bc8 31. Bf3 Ne7 32. Qf4 Qxf4 33. gxf4 Rxd4 34. g3 Nf5 35. Rc3 Rd6 36. Kf2 Nd4 37. Bg2 Rhd8 38. a4 Nf5 39. a5 Bb7 40. Bxb7 Kxb7 41. g4 Ne7 42. Rc4 Ng6 43. axb6 axb6 44. Rce4 e5 45. fxe5 Nxe5 46. Kg3 Rd4 47. Nh2 Rxe4 48. Rxe4 Rd3+ 49. Kg2 Rd2+ 50. Kg3 Rd3+ 51. Kg2 Kc6 52. Rf4 Rd2+ 53. Kg3 Kd5 54. Nf3 Nxf3 55. Rxf3 Ke6 56. Re3+ {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "11"] [White "Olafsson, Fridrik"] [Black "Kortschnoj, Viktor"] [Result "1-0"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: KIA"] 1. Nf3 Nf6 2. g3 d5 3. c4 dxc4 4. Qa4+ Nc6 5. Qxc4 e5 6. Bg2 Be6 7. Qa4 Nd7 8. d3 Nb6 9. Qd1 Be7 10. Nc3 f5 11. Be3 g5 12. Nd2 f4 13. Bxb6 axb6 14. a3 O-O 15. O-O g4 16. Be4 Rf6 17. Nc4 Rh6 18. Kg2 Qe8 19. Nd5 Bc5 20. h4 gxh3+ 21. Kh2 Qf7 22. Nb4 Kh8 23. e3 Qg7 24. Nxc6 bxc6 25. b4 Rg8 26. Rg1 fxe3 27. fxe3 Bxc4 28. bxc5 Bd5 29. cxb6 cxb6 30. Bxd5 cxd5 31. Ra2 Rg6 32. Qf3 e4 33. dxe4 dxe4 34. Qf4 Rg4 35. Qd6 h5 36. Qd4 Qxd4 37. exd4 e3 38. Re2 Re8 39. d5 Rd4 40. Rge1 {#r} 1-0

[Event "IBM"] [Site "Amsterdam"] [Round "12"] [White "Olafsson, Fridrik"] [Black "Gipslis, Aivars"] [Result "1/2-1/2"] [BlackElo "2535"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: 1...Nf6"] 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Bb4 6. g3 Ne4 7. Qd3 Qa5 8. Nc2 Bxc3+ 9. bxc3 d5 10. Bg2 O-O 11. O-O Nc6 12. cxd5 exd5 13. c4 Nc5 14. Qa3 Ne4 15. Qxa5 Nxa5 16. cxd5 Re8 17. Nd4 Bd7 18. f3 Nd6 19. e4 f5 20. Bf4 Nac4 21. Rfe1 fxe4 22. fxe4 Nf7 23. Rac1 Rac8 24. Nf3 Bg4 25. Nd2 Nce5 26. Bf1 g5 27. Be3 Rxc1 28. Rxc1 Nf3+ 29. Nxf3 Bxf3 30. Bxa7 Bxe4 31. Re1 Ra8 32. Rxe4 Rxa7 33. a4 Ra5 34. Bg2 Kf8 35. Rb4 Nd6 36. h4 h6 37. hxg5 hxg5 38. Kh2 Ke7 39. Kh3 b5 40. axb5 Rxb5 41. Ra4 Rb3 42. Kg4 Kf6 43. Ra6 Ke5 44. Ra8 Kf6 45. Ra6 Ke5 46. Bf3 Rc3 47. Ra2 Re3 48. Rh2 Nf7 49. Rf2 Kf6 50. Be4+ Kg7 51. Bc2 Nh6+ 52. Kh3 Nf7 53. Kg4 Nh6+ 54. Kh3 Nf7 55. Bf5 Nd6 56. Kg4 Kf6 57. Be6+ Ke5 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "13"] [White "Ivkov, Borislav"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2395"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "E10"] [Opening "Neo-Indian: 3.Nf3"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qa4+ Nc6 9. Ne5 Bd7 10. Nxc6 a5 11. e3 O-O 12. Be2 Bxc6 13. Qc2 Bd7 14. a3 Bf5 15. Bd3 Bxc3+ 16. Qxc3 Bxd3 17. Qxd3 c6 18. O-O a4 19. Rab1 Ra6 20. Rfc1 Qe7 {#d} 1/2-1/2

[Event "IBM"] [Site "Amsterdam"] [Round "14"] [White "Olafsson, Fridrik"] [Black "Velimirovic, Dragoljub"] [Result "0-1"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3"] 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. e3 Be7 5. d4 O-O 6. dxc5 Bxc5 7. a3 a5 8. Be2 d5 9. O-O Nc6 10. Qc2 Qe7 11. b3 d4 12. exd4 Nxd4 13. Nxd4 Bxd4 14. Bg5 h6 15. Bh4 g5 16. Bg3 e5 17. Rad1 Bd7 18. Bf3 Bc6 19. Rfe1 Qxa3 20. Nb5 Bxb5 21. cxb5 Rad8 22. Qf5 Rd6 23. h4 g4 24. Be2 Re8 25. Bc4 Kg7 26. Kh2 Qb4 27. Re4 a4 28. h5 axb3 29. Bxf7 Kxf7 30. Qg6+ Ke6 31. Rdxd4 Qxd4 32. Rxd4 Rxd4 33. Bh4 Rf8 34. Qb1 Rb4 35. Qe1 Rxb5 36. Qc3 Nd5 37. Qc4 Rb4 38. Qc5 Rd8 39. Bxd8 b2 40. Qc8+ Kd6 41. Ba5 b1=Q 42. Qf8+ Kc6 43. Qe8+ Kc5 44. Qc8+ {#R} 0-1

[Event "IBM"] [Site "Amsterdam"] [Round "15"] [White "Sax, Gyula"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "15"] [EventCountry "NED"] [ECO "B30"] [Opening "Sicilian: Rossolimo"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 b5 8. Bc2 e5 9. h3 g6 10. a4 Bg7 11. d4 cxd4 12. axb5 axb5 13. Rxa8 Qxa8 14. cxd4 O-O 15. Nc3 b4 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Nd5 Nxd5 19. exd5 Qb8 20. Bb3 Qd6 21. Bd2 f5 22. Qa1 e4 23. Qa5 Rb8 24. Bc4 Bd4 25. b3 Kg7 26. Be3 Bxe3 27. Rxe3 Re8 28. Re1 f4 29. Qa7 Kh6 30. Qd4 Bf5 31. Ra1 e3 32. Ra6 Qe5 33. Qxe5 Rxe5 34. Kf1 Rxd5 35. Rxg6+ hxg6 36. Bxd5 Bd3+ 37. Ke1 g5 38. fxe3 fxe3 39. g3 Kg6 40. Bf3 Kf6 41. h4 {#d} 1/2-1/2