[Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.11"] [Round "1"] [White "Sanguineti, Raul"] [Black "Petrosian, Tigran V"] [Result "0-1"] [ECO "A41"] [WhiteElo "2480"] [BlackElo "2635"] [PlyCount "74"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 d6 2. d4 Bg4 3. e4 e6 4. c3 c6 5. Be2 Nd7 6. Nbd2 Qc7 7. O-O Ngf6 8. Ng5 Bxe2 9. Qxe2 h6 10. Ngf3 e5 11. b3 Be7 12. Ba3 O-O 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Bxe7 Qxe7 16. a4 Rfd8 17. Nc4 Rd7 18. Rfd1 Rad8 19. Rxd7 Rxd7 20. b4 Qe6 21. a5 Ne8 22. Ne3 Nc7 23. Rd1 Nb5 24. Rxd7 Qxd7 25. c4 Nc3 26. Qh5 Qd3 27. h3 Qb1+ 28. Kh2 Qxe4 29. Ng4 Na2 30. b5 cxb5 31. cxb5 Nc3 32. Qh4 Qf4+ 33. Kg1 f6 34. Qh5 Kf8 35. Ne3 Qg5 36. Qxg5 hxg5 37. a6 b6 0-1 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.12"] [Round "2"] [White "Petrosian, Tigran V"] [Black "Rogoff, Kenneth"] [Result "1/2-1/2"] [ECO "A29"] [WhiteElo "2635"] [BlackElo "2480"] [PlyCount "38"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 O-O 6. O-O e4 7. Ne1 Bxc3 8. dxc3 h6 9. Nc2 d6 10. Ne3 Re8 11. Qc2 b6 12. Bd2 Ne5 13. Rad1 Neg4 14. h3 Nxe3 15. Bxe3 Qe7 16. Bd4 Bf5 17. Qc1 Qe6 18. g4 Bg6 19. b3 c5 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.13"] [Round "3"] [White "Gulko, Boris F"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "B36"] [WhiteElo "2530"] [BlackElo "2635"] [PlyCount "49"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. Nc3 g6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 h6 10. Be3 O-O 11. Qd2 Kh7 12. O-O Be6 13. Rac1 Qa5 14. f4 Rac8 15. b3 a6 16. f5 Bd7 17. h3 Bc6 18. Bd3 Nd7 19. Nd5 Qxd2 20. Bxd2 Rfe8 21. Bb1 Bd4+ 22. Kh1 Kg7 23. fxg6 fxg6 24. Nf4 Bf6 25. Be3 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.15"] [Round "4"] [White "Petrosian, Tigran V"] [Black "Tal, Mihail"] [Result "1/2-1/2"] [ECO "E04"] [WhiteElo "2635"] [BlackElo "2615"] [PlyCount "35"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c4 dxc4 7. Ne5 Nd5 8. Nxc6 bxc6 9. Nc3 Be7 10. dxc5 Qa5 11. Nxd5 exd5 12. e4 dxe4 13. Bxe4 O-O 14. Qc2 h6 15. Bxc6 Rb8 16. Bg2 Qxc5 17. Be3 Qa5 18. Bd4 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.16"] [Round "5"] [White "Portisch, Lajos"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "E54"] [WhiteElo "2625"] [BlackElo "2635"] [PlyCount "120"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 a6 9. a3 cxd4 10. axb4 dxc3 11. Qxd8 Rxd8 12. bxc3 Ne4 13. Bb2 Nd6 14. Be2 b5 15. Nd2 Bb7 16. c4 bxc4 17. Nxc4 Nc6 18. Nxd6 Rxd6 19. Bc3 h6 20. Rfc1 Na7 21. Be1 Rb6 22. Rc7 Rd8 23. Rac1 Nb5 24. R7c5 f6 25. f3 e5 26. Bf1 Rd7 27. Kf2 Kf8 28. g4 Ke7 29. h4 Bd5 30. h5 Be6 31. Kg3 Rdd6 32. f4 exf4+ 33. exf4 Rb8 34. f5 Bd5 35. Kh3 Rdd8 36. Bg3 Ra8 37. Bf2 Kf8 38. R5c2 Be4 39. Ra2 Kg8 40. Re1 Bd5 41. Raa1 Bf7 42. Bc5 Nc7 43. Kg3 Rd7 44. Rad1 Rad8 45. Rxd7 Rxd7 46. Re7 Rd1 47. Kf2 Nb5 48. Rb7 Ra1 49. Rb8+ Kh7 50. Bg2 Ra2+ 51. Kg3 Ra3+ 52. Kf2 Ra2+ 53. Kg1 Nc3 54. Rd8 a5 55. bxa5 Rxa5 56. Bb4 Ra1+ 57. Kh2 Ne2 58. Rd2 Ra2 59. Rxa2 Bxa2 60. Bc6 Nf4 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.17"] [Round "6"] [White "Petrosian, Tigran V"] [Black "Lombard, Andre"] [Result "1-0"] [ECO "D43"] [WhiteElo "2635"] [BlackElo "2420"] [PlyCount "58"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c6 5. Qb3 Be7 6. Bf4 O-O 7. e3 Qa5 8. Rc1 Nbd7 9. cxd5 Nxd5 10. Bg3 Nxc3 11. bxc3 c5 12. Bd3 cxd4 13. exd4 Rd8 14. O-O Nc5 15. Bxh7+ Kxh7 16. dxc5 Qxc5 17. Rfe1 b6 18. Re5 Rd5 19. Rxd5 exd5 20. Qc2+ g6 21. Be5 Bf5 22. Qd2 f6 23. Bd4 Qd6 24. Re1 Rh8 25. Nh4 Bd7 26. Qd3 Be8 27. f4 Kg7 28. Qg3 Rh5 29. Qg4 Bf7 1-0 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.20"] [Round "7"] [White "Andersson, Ulf"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "E18"] [WhiteElo "2585"] [BlackElo "2635"] [PlyCount "23"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Bd2 d5 9. cxd5 exd5 10. Rc1 Nd7 11. Bf4 Nxc3 12. Rxc3 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.21"] [Round "8"] [White "Petrosian, Tigran V"] [Black "Sosonko, Gennadi"] [Result "1-0"] [ECO "E48"] [WhiteElo "2635"] [BlackElo "2505"] [PlyCount "53"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxh7+ Kxh7 8. axb4 Nc6 9. Nf3 Nxb4 10. O-O c5 11. Ne5 Qe7 12. Nxc4 Bd7 13. e4 cxd4 14. Qxd4 e5 15. Qxe5 Qxe5 16. Nxe5 Be6 17. Nf3 Kg8 18. Nd4 Bc4 19. Rd1 Rfc8 20. Bg5 Rc5 21. Nf5 Bb3 22. Bxf6 Rxf5 23. Rd4 Nc2 24. exf5 Nxa1 25. Rg4 Re8 26. Rxg7+ Kf8 27. h4 1-0 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.22"] [Round "9"] [White "Castro Rojas, Oscar Humberto"] [Black "Petrosian, Tigran V"] [Result "1-0"] [ECO "C00"] [WhiteElo "2380"] [BlackElo "2635"] [PlyCount "103"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. exd5 exd5 5. Nf3 Be7 6. Be2 O-O 7. O-O Bf5 8. Re1 c5 9. d4 Nc6 10. Nbd2 Rc8 11. Bd3 Bxd3 12. cxd3 Qb6 13. Ba3 Rfe8 14. Rc1 Nb4 15. Bxb4 Qxb4 16. Nf1 cxd4 17. Rxc8 Rxc8 18. Nxd4 Bf8 19. Nf3 Qa3 20. Qb1 g6 21. Ne3 Bg7 22. h3 a6 23. g3 b5 24. Nc2 Qd6 25. Ne3 d4 26. Ng4 Nd5 27. Ng5 h6 28. Nf3 Qa3 29. Qd1 Qxa2 30. Nfe5 Nc3 31. Qf3 Qxb3 32. Nd7 Rd8 33. Ndf6+ Kh8 34. Ne5 a5 35. Qb7 Rf8 36. Ned7 Rd8 37. Ne5 Rf8 38. Ned7 Rd8 39. Qc7 Ra8 40. Qb7 Rd8 41. Re7 Bxf6 42. Nxf6 Kg7 43. Qc7 Ra8 44. Qe5 Kf8 45. Qd6 Qb4 46. Re8+ Kg7 47. Rxa8 Qxd6 48. Ne8+ Kh7 49. Nxd6 a4 50. Ne4 b4 51. Nc5 a3 52. Nb3 1-0 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.24"] [Round "10"] [White "Petrosian, Tigran V"] [Black "Liberzon, Vladimir M"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2635"] [BlackElo "2540"] [PlyCount "50"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Qa5 10. Nd2 Be7 11. Bg3 Qd8 12. Nf3 Qa5 13. Nd2 Qb6 14. Be2 d4 15. Na4 Qd8 16. e4 Nd7 17. Rd1 e5 18. b4 b6 19. Nb3 Bb7 20. O-O Re8 21. Qb2 a5 22. b5 Ncb8 23. Bd3 Nc5 24. Nbxc5 Bxc5 25. Nxc5 bxc5 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.25"] [Round "11"] [White "Csom, Istvan"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "A14"] [WhiteElo "2490"] [BlackElo "2635"] [PlyCount "37"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6 11. Qe2 Rc8 12. Rfd1 Na5 13. Rab1 Nd7 14. d3 a6 15. Ba1 Qc7 16. Bh3 Qc6 17. Bg2 Qc7 18. Bh3 Qc6 19. Bg2 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.26"] [Round "12"] [White "Petrosian, Tigran V"] [Black "Geller, Efim P"] [Result "1/2-1/2"] [ECO "E18"] [WhiteElo "2635"] [BlackElo "2620"] [PlyCount "32"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bd2 d6 9. Nxe4 Bxe4 10. Bc3 Bf6 11. Qd2 c6 12. b3 Nd7 13. Rfd1 Rc8 14. Ne1 Bxg2 15. Kxg2 Qc7 16. Nf3 c5 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.29"] [Round "13"] [White "Smyslov, Vassily"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "D27"] [WhiteElo "2580"] [BlackElo "2635"] [PlyCount "31"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. b3 b6 11. Bb2 Bb7 12. Rac1 Ke7 13. Be2 Rhc8 14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bb2 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.30"] [Round "14"] [White "Byrne, Robert Eugene"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "C41"] [WhiteElo "2540"] [BlackElo "2635"] [PlyCount "33"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. exd6 Bxd6 8. Nc3 O-O 9. O-O-O Nc6 10. Be3 Ne7 11. Qc4 b6 12. Ne4 Nxe4 13. Qxe4 Qc6 14. Bd3 Qxe4 15. Bxe4 Rb8 16. Nd4 Bd7 17. Rhe1 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.07.31"] [Round "15"] [White "Petrosian, Tigran V"] [Black "Larsen, Bent"] [Result "1-0"] [ECO "D60"] [WhiteElo "2635"] [BlackElo "2625"] [PlyCount "111"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Bg5 Be7 5. e3 O-O 6. Nc3 Nbd7 7. Bd3 dxc4 8. Bxc4 c5 9. O-O a6 10. a4 b6 11. Qe2 Bb7 12. Rfd1 cxd4 13. exd4 Re8 14. Rac1 Nf8 15. Ne5 Nd5 16. Bxd5 Bxd5 17. Bxe7 Rxe7 18. Nxd5 Qxd5 19. Rc3 f6 20. Nc4 Qd8 21. g3 Rd7 22. Rcd3 Kh8 23. Qe4 Rc8 24. b3 b5 25. axb5 axb5 26. Ne3 Re7 27. d5 exd5 28. Qxd5 Qe8 29. Kg2 Re5 30. Qb7 h6 31. b4 Ne6 32. h4 Rb8 33. Qf3 Nf8 34. Nf5 Qg6 35. Nd6 h5 36. Rd5 Nd7 37. Nf7+ Qxf7 38. Rxd7 Qg6 39. R1d4 Rbe8 40. Rb7 Qb1 41. Qd3 Qxd3 42. Rxd3 Rc8 43. f4 Re2+ 44. Kf3 Rb2 45. Rxb5 Rc4 46. Rxh5+ Kg8 47. Kg4 Rcxb4 48. Rd8+ Kf7 49. Rhh8 Rb7 50. Rhf8+ Ke7 51. Kf5 R2b3 52. g4 Rg3 53. Rde8+ Kd6 54. g5 fxg5 55. hxg5 Rb5+ 56. Kg6 1-0 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.08.02"] [Round "16"] [White "Matanovic, Aleksandar"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [ECO "B17"] [WhiteElo "2525"] [BlackElo "2635"] [PlyCount "35"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Bd3 Be7 8. O-O O-O 9. b3 b6 10. Bb2 Bb7 11. Qe2 c5 12. Rad1 Qc7 13. c4 Rfe8 14. Bb1 Rad8 15. dxc5 Qxc5 16. Ne4 Qc7 17. h3 Nxe4 18. Bxe4 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.08.03"] [Round "17"] [White "Petrosian, Tigran V"] [Black "Smejkal, Jan"] [Result "1/2-1/2"] [ECO "E65"] [WhiteElo "2635"] [BlackElo "2615"] [PlyCount "47"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 d6 8. dxc5 dxc5 9. Bf4 Nh5 10. Bd2 Be6 11. b3 Qc8 12. Qc1 Bh3 13. Bh6 Bxg2 14. Kxg2 Qe6 15. Bxg7 Kxg7 16. Rd1 Rad8 17. Rd5 b6 18. Qb2 Nf6 19. Rad1 Kg8 20. Qc1 Kg7 21. e4 Qc8 22. Rxd8 Rxd8 23. e5 Ne8 24. Rxd8 1/2-1/2 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.08.04"] [Round "18"] [White "Huebner, Robert"] [Black "Petrosian, Tigran V"] [Result "0-1"] [ECO "B06"] [WhiteElo "2585"] [BlackElo "2635"] [PlyCount "82"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 e6 5. Bb3 Ne7 6. O-O O-O 7. c3 b6 8. Nbd2 Nbc6 9. Re1 Na5 10. Bc2 c5 11. Nf1 Nac6 12. Be3 Qc7 13. Rc1 e5 14. h3 Nd8 15. N3h2 Bb7 16. Ng3 exd4 17. cxd4 Ne6 18. Bb3 d5 19. e5 Nc6 20. Ng4 Rfd8 21. dxc5 bxc5 22. Bxc5 Nxc5 23. Rxc5 Qe7 24. Qc1 Rac8 25. Nf6+ Kh8 26. Nxd5 Qf8 27. Qe3 Nxe5 28. Rxc8 Rxc8 29. Qxa7 Bxd5 30. Bxd5 Qb4 31. Re2 f5 32. Qb7 Rc1+ 33. Kh2 Qf8 34. f4 Nd3 35. Qb5 Bd4 36. Nh1 Qd6 37. g3 Nxf4 38. Qe8+ Kg7 39. Re7+ Kh6 40. Nf2 Bxf2 41. Rxh7+ Kg5 0-1 [Event "Biel Interzonal"] [Site "Biel"] [Date "1976.08.06"] [Round "19"] [White "Petrosian, Tigran V"] [Black "Diaz, Joaquin Carlos"] [Result "1-0"] [ECO "E85"] [WhiteElo "2635"] [BlackElo "2385"] [PlyCount "103"] [EventDate "1976.07.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "SUI"] [EventCategory "12"] [SourceTitle "IZT"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Nge2 Nc6 7. Be3 e5 8. Qd2 Nd7 9. d5 Ne7 10. g4 f5 11. g5 a6 12. h4 Rb8 13. Nc1 c6 14. Nb3 c5 15. Qh2 Rf7 16. h5 gxh5 17. Qxh5 Nf8 18. O-O-O f4 19. Bf2 Bd7 20. Bh3 Bxh3 21. Qxh3 b5 22. Qf1 Qb6 23. Rd2 Neg6 24. Rc2 Rfb7 25. Rh5 Qd8 26. Bg1 Ne7 27. Rch2 Neg6 28. Kb1 bxc4 29. Qxc4 a5 30. Qf1 a4 31. Nxa4 c4 32. Nbc5 dxc5 33. Nxc5 Rb5 34. Qxc4 Qb6 35. b3 Rb4 36. Qa6 Qc7 37. Rc2 Qf7 38. Bf2 Ne7 39. Rh1 Nxd5 40. exd5 Qxd5 41. Qd3 Qf7 42. Kc1 e4 43. Nxe4 Kh8 44. Nd6 Qd7 45. Bc5 R4b7 46. Rd1 Ne6 47. Nxb7 Qxb7 48. Qd5 Nxc5 49. Rxc5 Qa6 50. Kb1 Qa3 51. Rc2 Re8 52. Rh2 1-0