[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.23"] [Round "1"] [White "Smyslov, Vassily"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2328"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A15"] [Opening "English: Anglo-Indian, 2.Nf3 g6"] 1.c4 Nf6 2.Nf3 g6 3.Nc3 Bg7 4.d4 d6 5.g3 O-O 6.Bg2 c6 7.O-O Qa5 8.e4 Nbd7 9.Bd2 (9.Re1 e5 10.h3 {~/= E69}) 9...Qc7 10.Qe2 (10.h3 e5 11.Be3) 10...e5 11.d5 (11.Rad1 exd4 12.Nxd4 Re8 {x e2} 13.Be3 a5 $13) 11...a5 12.Kh1 Nc5 13.Ne1 cxd5 14.exd5 (14.cxd5 Bd7 15.f3 b5 $132) 14...Bf5 15.f3 h5 16.Bg5 Qd7 17.Rd1 Rfe8 18.Bxf6 (18.b3 e4 $36) 18...Bxf6 19.Ne4 Bxe4 (19...Bxe4 20.fxe4 Bg5 $10) {#d} 1/2-1/2

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.24"] [Round "2"] [White "Olafsson, Fridrik"] [Black "Gligoric, Svetozar"] [Result "1/2-1/2"] [BlackElo "2420"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "C24"] [Opening "Bishop's Opening: 3.d3"] 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 Nxc4 6. dxc4 d6 7. b3 Be7 8. Bb2 O-O 9. Ng3 c6 10. h3 a6 11. a4 Be6 12. O-O Qc7 13. Qe2 Rfe8 14. Rad1 Rad8 15. Rd3 Nd7 16. Nh5 g6 17. f4 exf4 {#d} 1/2-1/2

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.25"] [Round "3"] [White "Balashov, Yuri S"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2565"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "B32"] [Opening "Sicilian: Open, 2...Nc6"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 d6 6. Be2 Nf6 7. O-O Be7 8. Be3 O-O 9. f4 e5 10. Nb3 a5 11. a3 a4 12. Nc1 exf4 13. Rxf4 Be6 14. Nd5 Bxd5 15. exd5 Ne5 16. Na2 Nfd7 17. Rf1 Bg5 18. Bd4 Nc5 19. Nc3 b6 20. b4 axb3 21. cxb3 f5 22. b4 Ne4 23. Nxe4 fxe4 24. Rxf8+ Qxf8 25. Qc2 Qf4 26. Rf1 Qd2 27. Qxe4 Rxa3 28. Bg4 g6 29. Be6+ Kg7 30. Bxe5+ dxe5 31. Qxe5+ Kh6 32. Qh8 Qxb4 {#d} 1/2-1/2

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.27"] [Round "4"] [White "Olafsson, Fridrik"] [Black "Huebner, Robert"] [Result "0-1"] [BlackElo "2600"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A17"] [Opening "English: Anglo-Queen's Indian"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Qc2 (5. Bd3 Bb4 6. Qe2) 5... c5 6. Be2 Nc6 7. O-O d6 8. Rd1 Nd4 $1 (8... e5 9. d3 Be7 10. Bg5 $36) 9. Nxd4 cxd4 10. Nb5 Bxe4 (10... e5 11. d3 a6 12. Na3 Be7 $10) 11. d3 Bb7 12. Nxd4 Be7 13. Qa4+ (13. Be3 O-O 14. b4 d5 $36) 13... Qd7 14. Qxd7+ Kxd7 15. Be3 d5 $1 $15 16. Rab1 Rhc8 17. b4 Ke8 18. a4 Nd7 (18... e5 19. Nf5 Bf8 20. Bg5 $13) 19. a5 dxc4 20. dxc4 bxa5 21. bxa5 (21. b5 Nb6 $15) 21... Be4 22. Rb2 a6 23. f3 Bg6 24. Kf2 Ne5 25. Rc1 $4 (25. Rc1 $4 Ba3 $19) (25. Rb6 Nxc4 26. Bxc4 Rxc4 27. Nc6 Bf6 $17 ) {#R} 0-1

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.28"] [Round "5"] [White "Kavalek, Lubomir"] [Black "Olafsson, Fridrik"] [Result "1-0"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "B45"] [Opening "Sicilian: Taimanov, 5.Nc3"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 b5 8. O-O Bb7 9. Re1 Ne5 (9... Nge7 $2 10. Ndxb5 axb5 11. Nxb5 Qb6 12. Nd6+ Kd8 13. Nxf7+ $18) (9... Nf6 10. e5 Ng8 11. Nxc6 Bxc6 12. Bxc6 Qxc6 13. Qd3 $16) (9... d6 10. Nd5 exd5 11. Nxc6 $16) 10. Bf4 f6 (10... Bc5 11. a4 b4 12. Nce2 d6 13. c3 $36) 11. a4 b4 12. Na2 h5 $6 (12... Ne7 13. c3 $14) 13. c3 g5 14. Be3 bxc3 15. Nxc3 $16 Qb8 (15... Nc4 16. Rc1 (16. Qb3 Rb8 17. Ndb5 axb5 18. Nxb5 Qc8 19. Rac1 d5 20. exd5 $18) 16... Nxe3 17. Rxe3 Qb6 18. Nd5 exd5 19. exd5+ Kf7 20. Rb3 Bb4 21. a5 Qxa5 22. Nc2 Ne7 23. Nxb4 $16) 16. a5 Ne7 17. Na4 Nc8 (17... Nc4 18. Nb6 Nxb6 19. axb6 $16) 18. Rc1 h4 $2 (18... Nc6 $16 {Kavalek}) 19. Qb3 hxg3 20. hxg3 (20. Nxe6 $2 gxh2+ 21. Kh1 dxe6 22. Qxe6+ Be7 $17) 20... Bc6 21. Nb6 Nxb6 (21... Ra7 22. Nxc8 Qxc8 23. Nxc6 $18) 22. axb6 Be7 (22... Qb7 23. f4 gxf4 24. gxf4 Bxe4 25. Rc7 $18) 23. Nxc6 Nxc6 24. b7 (24. Rxc6 dxc6 25. b7 $18) 24... Ra7 25. Rxc6 Rxb7 (25... dxc6 26. Bxa7 Qxa7 27. b8=Q+ $18) 26. Rb6 Rxb6 27. Qxb6 Qxb6 28. Bxb6 Kf7 29. Bd4 Rc8 30. Bc3 Bc5 31. Ra1 {#r} 1-0

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.09.29"] [Round "6"] [White "Timman, Jan H"] [Black "Olafsson, Fridrik"] [Result "1-0"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A53"] [Opening "Old Indian: 3.Nc3 Nbd7 4.e4 e5"] 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nge2 c6 6. g3 g6 (6... Nb6 7. b3 exd4 8. Qxd4 (8. Nxd4 d5 9. exd5 Bb4 $10) 8... d5 9. cxd5 cxd5 10. Bg5 $1 Be7 11. Bxf6 Bxf6 12. e5 Be7 13. Bg2 $16 {Timman-Sofrevsky/Skopje/1976}) 7. Bg2 Bg7 8. O-O O-O 9. b3 exd4 (9... a5 10. d5) (9... Re8 10. d5) 10. Nxd4 Re8 11. h3 Nc5 12. Re1 a5 13. Rb1 a4 (13... Nfd7 { e5-d3} 14. Be3 Ne5 15. Qc2 a4 16. Rbd1 axb3 17. axb3 Na6 18. Qa2 $1 $16 {Tukmakov-Timman/Reykjavik/1976} Bd7 $2 19. f4) 14. Bf4 (14. b4 $6 Ne6 15. Nde2 Nc7 16. Nf4 (16. Bf4 Be6) 16... Nd7 $1 17. Nxa4 Ne5 $10) 14... axb3 15. axb3 Nh5 16. Be3 Nf6 17. Qc2 Qe7 18. Rbd1 (18. b4 Ncxe4 19. Nxe4 Nxe4 20. Bxe4 Qxe4 21. Bd2 Bf5 $17) 18... Bd7 (18... Nfxe4 19. Nxe4 Nxe4 20. Bxe4 Qxe4 21. Bd2 $16) 19. Bf4 Nh5 20. Be3 (20. Nf5 Bxf5 21. Bxd6 Nxe4 $1 (21... Qf6 $2 22. Bxc5 Qxc3 23. Qxc3 Bxc3 24. Re3 $16 {(.)}) 22. Bxe7 (22. Nxe4 Bxe4 23. Rxe4 Qf6 $14 24. g4 $6 Rxe4 25. Qxe4 Rd8) 22... Nxc3 23. Qc1 Nxd1 24. Qxd1 Ra1 $17) (20. Nxc6 $1 Bxc6 21. Bxd6 Qf6 22. e5 Qg5 23. Bxc5 $16 Bxg2 (23... Nf4 24. Bxc6 bxc6 25. Kh2 Bxe5 26. Be3) 24. Kxg2 Bxe5 25. Be3 {Timman}) 20... Ra3 21. Bc1 Ra1 { 22...<<c1 23...>>d4} 22. b4 Na6 (22... Rxc1 23. Qxc1 Bxd4 24. Rxd4 Nb3 25. Qd1 Nxd4 26. Qxd4 $16) (22... Ne6 23. Nf5 $16 (23. Nb3)) 23. Qb2 Rxc1 24. Qxc1 Nxb4 25. Qb1 c5 26. Ndb5 Be5 27. Qc1 Qf6 28. Ne2 $2 (28. f4 Nxf4 (28... Bxc3 29. Qxc3 Qxc3 30. Nxc3 Nxg3 31. Rxd6 Bc6 $18) 29. gxf4 Bxf4 30. Rf1 $18) 28... Bxb5 29. cxb5 Qe6 30. Qd2 $2 (30. f4 $142 Bg7 31. Qd2 Qb3 $132) 30... Ra8 { 31.f4 <<a2-+} 31. Nc1 Ra3 32. Re3 Rxe3 $138 33. Qxe3 Nc2 34. Qg5 (34. Qd2 Nd4 35. b6 Ng7 36. Qa5 $14) 34... Nd4 35. b6 Kg7 36. Kh2 Qc4 37. Nd3 Qb3 38. Qd2 (38. Nxe5 $6 Qxd1 39. Nxf7 Nf3+) 38... c4 39. Nxe5 dxe5 40. Rc1 Nf6 41. f4 (41. Qc3 $143 Ne2 42. Qxb3 cxb3 43. Rc4 Nd7 $132 { =}) 41... Nd7 (41... Nf3+ 42. Bxf3 Qxf3 43. Rxc4 exf4 (43... Nxe4 44. Qg2 $18) 44. gxf4 Nxe4 45. Qd4+ Nf6 46. Rc2 $18) (41... Nc6 42. Qc3 Nd7 43. Qxc4 Qxb6 44. Qc3 $16 { <->a2-g8 Timman}) 42. fxe5 Qd3 43. Qf2 $1 (43. Qxd3 $143 cxd3 44. Rd1 Nxe5 45. Bf1 Ne2 $1 $15) 43... Nxe5 44. Rf1 Ndc6 $2 $18 (44... Qc3 $1 45. Qf6+ Kg8 46. Rd1 Ndc6 (46... Ne6 47. Qe7 { b7-b81/4+-}) 47. Rd6 $1 { 48. <<c6+-}) 45. Qf6+ Kf8 46. Ra1 Ke8 (46... Qd8 47. Ra8 $18) 47. Ra8+ (47. Ra7 $143 Qd4 $5 48. Qh8+ Ke7 49. Rxb7+ Ke6) 47... Kd7 48. Ra7 Kc8 (48... Nxa7 $2 49. bxa7 Qa3 50. Qxe5 $18) 49. Qh8+ Kd7 50. Rxb7+ Kd6 51. Qf8+ Ke6 52. Rc7 $1 Qe2 53. Rxc6+ Nxc6 54. Qc8+ Kd6 55. Qc7+ Kc5 56. e5 {#r} 1-0

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.10.01"] [Round "7"] [White "Olafsson, Fridrik"] [Black "Andersson, Ulf"] [Result "1/2-1/2"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "E15"] [Opening "Queen's Indian: 4.g3 Bb7"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. Qc2 Nc6 12. d5 exd5 13. cxd5 Nb4 14. Qb3 Re8 15. a3 Na6 16. e4 Bf6 17. Qc2 Rc8 18. Bf4 b5 19. h4 h6 20. Rab1 Rc7 21. Re1 c4 22. b4 cxb3 23. Qxb3 Nc5 24. Qxb5 Ba6 25. Qa5 Bd3 26. Rbc1 Rxe4 27. Rxe4 Bxe4 {#d} 1/2-1/2

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.10.02"] [Round "8"] [White "Hort, Vlastimil"] [Black "Olafsson, Fridrik"] [Result "1/2-1/2"] [WhiteElo "2395"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3"] 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 O-O 9. Rd1 Nc6 10. Qf4 Qb8 11. b3 d6 12. Bb2 a6 13. Ng5 Ne5 14. Bxb7 Qxb7 15. Nce4 Ng6 16. Qf3 Nxe4 17. Nxe4 Qc7 18. Qc3 f6 19. Rd2 Ne5 20. Rad1 Rfd8 21. f4 Nf7 22. a4 Rac8 23. Qe3 Re8 24. Qf3 f5 25. Nf2 b5 $1 $10 26. cxb5 axb5 27. axb5 Qb6 28. e4 {#d} 1/2-1/2

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.10.03"] [Round "9"] [White "Olafsson, Fridrik"] [Black "Karpov, Anatoly"] [Result "0-1"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A05"] [Opening "Reti: KIA"] 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. Nbd2 Nbd7 7. c3 (7. Re1 Bc5 $1 { 8...>>f2} 8. c4 O-O 9. cxd5 exd5 10. Nb3 $2 Bb4 11. Bd2 a5 12. Nbd4 Re8 13. Rc1 c5 14. Nf5 Nf8 15. d4 $2 Ne4 $17 {Portisch,L-Karpov,An/Moscow/1977/ }) 7... Be7 8. Qc2 (8. Re1 O-O 9. e4 dxe4 10. dxe4 Nc5 {(+)d3}) 8... O-O 9. e4 c5 $1 (9... dxe4 10. dxe4 Nc5 11. Ne5 $14) 10. Re1 (10. e5 Ng4 11. d4 cxd4 12. cxd4 Rc8 $36) 10... Qc7 11. c4 (11. Nf1 { 12.e5, 13.>>f4} c4 12. dxc4 dxe4 13. Ng5 Qxc4 (13... Nc5 14. Nd2 Nd3 15. Re2 Nxf2 $2 16. Rxf2 e3 17. Rxf6 $18) 14. Nxe4 $10) 11... dxe4 12. dxe4 Rad8 13. h3 (13. b3 Ng4 14. Bb2 Nge5 15. Rad1 Bf6 16. a3 (16. Nxe5 Nxe5 17. Nf3 (17. f4 Nd3 18. Bxf6 gxf6 19. Re3 Nb4 {/^d><}) 17... Nxf3+ 18. Bxf3 Bxb2 19. Qxb2 e5 $17 {(+)d4}) 16... Nxf3+ 17. Nxf3 Bxb2 18. Qxb2 Nb8 $15 {Olafsson} (18... e5 19. Bh3 f6 20. Be6+ { 21.>>d5})) 13... Bd6 14. b3 Be5 $1 15. Rb1 (15. Nxe5 Nxe5 16. Re3 (16. Bb2 Nd3 17. Re3 Nxb2 18. Qxb2 e5 $17) 16... Nc6 17. e5 Nd7 18. f4 Nd4 $17) (15. Bb2 Bxb2 16. Qxb2 e5 {  17...<<e8, b8-c6-d4|^}) 15... h6 { >>d4, e5} 16. Nf1 (16. Nxe5 $6) (16. Bb2 $6) 16... Bd4 17. Bf4 (17. Nxd4 cxd4 18. e5 $6 Bxg2 19. exf6 Ba8 20. fxg7 Rfe8 { 21...1/4c6|^} (20... Kxg7 $2 21. Qd2)) 17... e5 18. Bc1 (18. Bd2 $142) 18... Nb8 $15 {_|_} 19. Nh4 Nc6 { b4, d3} 20. a3 a6 { b5} 21. Nf5 b5 $36 22. Bd2 (22. cxb5 axb5 23. b4 c4 24. a4 $13) 22... b4 23. axb4 (23. a4 Ne8 { d6} 24. N1e3 Bxe3 25. Bxe3 Nd4 $36) 23... Nxb4 24. Bxb4 cxb4 25. N1e3 Bc3 26. Red1 a5 (26... Kh7 $142 27. Nd5 Nxd5 28. exd5 g6 $17) 27. Nd5 Bxd5 28. exd5 (28. cxd5 Ne8 { d6|^}) 28... Kh8 $6 (28... Qc5 $142) ( 28... a4 $6 29. d6 Qc5 30. bxa4 Qxc4 31. Ne7+ Kh8 32. Nc6 { 33.<<b4}) 29. Rd3 $6 (29. Qe2 $142 { 30.1/4e3=} g6 (29... Qd7 $2 30. g4) (29... Qc5 30. Qe3 Nd7 31. Qxc5 Nxc5 32. d6 { 33.<<d5, e7, c6}) 30. Nxh6 Qc5 {Olafsson}) 29... a4 $1 $36 30. d6 $2 (30. Rbd1 { <<c3}) (30. Rxc3 bxc3 31. Qxc3 Nxd5 32. Bxd5 Rxd5 33. bxa4 Rfd8 $17) 30... Qc5 31. Rxc3 (31. bxa4 $2 e4) 31... bxc3 32. Qxc3 axb3 33. Rxb3 Rb8 $1 34. Qe3 $4 (34. Bb7 Rxb7 35. Rxb7 Qc8 36. Re7 Qxf5 $17) 34... Qxc4 35. Rd3 Rfd8 36. Ne7 e4 37. Rd4 Qe6 38. Qf4 Rb6 39. Nf5 $2 (39. Qf5 Rbxd6 $19) 39... g5 40. Qc1 Qxf5 {#R} 0-1

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.10.04"] [Round "10"] [White "Miles, Anthony J"] [Black "Olafsson, Fridrik"] [Result "1-0"] [WhiteElo "2555"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "A13"] [Opening "English: 1...e6 2.Nc3 d5"] 1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. e3 Nf6 5. Bd3 c5 6. Nf3 O-O 7. O-O Nc6 8. dxc5 $5 (8. a3) 8... Bxc5 (8... Bxc3 $6 9. bxc3 dxc4 10. Bxc4 Qa5 11. Qb3 $1) (8... dxc4 9. Bxc4 Qxd1 10. Rxd1 Bxc5 11. a3 $14) 9. a3 a6 10. b4 Ba7 11. Bb2 Qe7 ( 11... dxc4 $5) 12. Qe2 Bd7 13. Rad1 $5 Rfd8 (13... Rac8 14. cxd5 exd5 15. Bb1 $14 {Miles} (15. e4 $5)) 14. Bb1 dxc4 (14... Be8 15. cxd5 exd5 16. Ba2 $16) 15. Qxc4 Rac8 16. Qh4 Be8 $6 (16... h6) 17. b5 $1 axb5 18. Nxb5 Bb8 $6 (18... h6 $14) 19. Bxf6 Qxf6 20. Bxh7+ (20. Qxh7+ Kf8 21. Be4 Ne5 $132) 20... Kf8 21. Qxf6 gxf6 22. Rxd8 Rxd8 23. Bc2 $16 Na5 (23... Ne5 24. Nfd4 $16) 24. a4 Rc8 25. Bd3 f5 26. Rb1 Bc6 27. Nfd4 Bd5 28. f3 Be5 $138 29. Kf2 Ke7 (29... Bxh2 $2 30. g3 Kg7 31. Rh1 Rh8 32. Kg2 $18) 30. f4 Bf6 31. Rb2 Kd7 32. Rd2 (32. h3 Rc1 33. g4 fxg4 34. hxg4 Bh4+ 35. Ke2 Nc4 36. Rb1 Rxb1 37. Bxb1 $14) 32... Ke7 33. Rc2 Rxc2+ (33... Rh8 34. Rc7+ Kd8 35. Rxf7 Bxd4 36. Nxd4 Rxh2 37. Nf3 $16) 34. Bxc2 b6 35. Bd1 {P f3} Nb7 $2 (35... Kd7 36. Bf3 $16) 36. Nc7 $1 Be4 37. Na8 $1 $18 Kd6 38. Nxb6 Bd8 39. Nc4+ Kc5 40. Ne5 Kb4 41. Nxf7 Bb6 42. Nxe6 Kc3 {#r} 1-0

[Event "Tilburg"] [Site "Tilburg"] [Date "1977.10.06"] [Round "11"] [White "Olafsson, Fridrik"] [Black "Sosonko, Gennadi"] [Result "1/2-1/2"] [BlackElo "2530"] [EventType "tourn"] [EventRounds "11"] [EventCountry "NED"] [ECO "E14"] [Opening "Queen's Indian: 4.e3 Bb7"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. O-O Be7 7. Nc3 cxd4 8. exd4 d5 9. cxd5 Nxd5 10. Ne5 O-O 11. Qg4 Nf6 12. Qf4 Nc6 13. Rd1 Nb4 14. Bb1 Nbd5 15. Qg3 Nxc3 16. bxc3 Rc8 17. c4 Be4 18. Bb2 Qc7 19. Bxe4 Nxe4 20. Qd3 Nd6 21. d5 Nf5 22. Nc6 Bd6 23. g3 Rfe8 24. Rac1 Qd7 25. Qf3 e5 26. Qg4 {#d} 1/2-1/2