[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "1"] [White "Tisdall, Jonathan D"] [Black "Petrosian, Tigran V"] [Result "0-1"] [WhiteElo "2375"] [BlackElo "2645"] [ECO "B82"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. f4 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. O-O Rc8 11. a3 Be7 12. Rae1 O-O 13. Qh3 Kh8 14. Nf3 e5 15. Nh4 g6 16. fxe5 Nxe5 17. Bd4 Nfd7 18. Nf3 Bf6 19. Be3 Kg8 20. Nd4 Bg7 21. Rd1 Nb6 22. Nf3 Nbc4 23. Bxc4 Rxc4 24. Nd4 h5 25. Kh1 Ng4 26. Bg1 Re8 27. Qf3 f5 0-1

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "2"] [White "Petrosian, Tigran V"] [Black "Sveshnikov, Evgeny"] [Result "1/2-1/2"] [WhiteElo "2645"] [BlackElo "2520"] [ECO "A13"] 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bd6 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Nc3 a6 9. Rc1 Nbd7 10. Qc2 Qe7 11. cxd5 exd5 12. e3 Rfe8 13. Rfe1 Ne5 14. Nxe5 Bxe5 15. Ne2 Bxb2 16. Qxb2 a5 17. a3 c5 18. d4 Ne4 19. Nf4 Qf6 20. Rc2 cxd4 21. Qxd4 Qxd4 22. exd4 Nf6 23. Rec1 g5 24. Nd3 Rac8 25. Rc7 Ba6 26. Ne5 Rxc7 27. Rxc7 Rc8 28. Rxc8+ Bxc8 29. Kf1 Be6 30. Ke2 Ne8 31. Nf3 f6 32. Nd2 Kf7 33. Nb1 Ke7 34. Nc3 Kd6 35. Kd2 Ng7 36. Nd1 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "3"] [White "Botterill, George Steven"] [Black "Petrosian, Tigran V"] [Result "0-1"] [WhiteElo "2350"] [BlackElo "2645"] [ECO "E46"] 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. Nf4 a5 8. b3 c6 9. Be2 Nbd7 10. cxd5 Nxd5 11. Ncxd5 exd5 12. O-O Bd6 13. Nd3 Qh4 14. g3 Qe7 15. Bb2 Re8 16. Re1 Nf6 17. Bf1 Bf5 18. Bg2 Qc7 19. Rc1 Re7 20. f3 Rae8 21. Qd2 h5 22. Ne5 Qb6 23. Kh1 Qxb3 24. e4 Bh7 25. Bc3 dxe4 26. fxe4 Bxe5 27. dxe5 Ng4 28. Bxa5 Nxe5 29. Bb4 Rd7 30. Qg5 Bg6 31. Rc3 Qa2 32. Rce3 Nd3 33. Rxd3 Rxd3 34. e5 Qb3 35. Qc1 0-1

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "4"] [White "Petrosian, Tigran V"] [Black "Kagan, Shimon"] [Result "1/2-1/2"] [WhiteElo "2645"] [BlackElo "2440"] [ECO "A41"] 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 c6 5. Bg2 Bg4 6. Nc3 Qb6 7. e3 Nf6 8. O-O O-O 9. h3 Bxf3 10. Bxf3 e5 11. d5 c5 12. e4 Nbd7 13. h4 a6 14. a4 Qd8 15. Bg5 h6 16. Bd2 Rb8 17. Kg2 h5 18. a5 Kh7 19. Bg5 Qc8 20. Rh1 Rh8 21. Qd2 b5 22. axb6 Rxb6 23. Bd1 Qb7 24. b3 Rb8 25. Ra3 Qc8 26. Re1 Ng8 27. Na4 Rb4 28. Nb2 Bh6 29. Nd3 R4b6 30. Rh1 f6 31. Be3 Bxe3 32. Qxe3 Nh6 33. f3 f5 34. Nf2 Nf6 35. Nh3 fxe4 36. Ng5+ Kh8 37. Nxe4 Nfg8 38. Qg5 Qf5 39. Bc2 Qxg5 40. Nxg5 Nf5 41. Kf2 Nge7 42. Ne6 R8b7 43. g4 hxg4 44. fxg4 Nd4 45. Nxd4 cxd4 46. Rha1 Ra7 47. Ra5 Kg7 48. Re1 Ng8 49. Kg3 Nf6 50. c5 dxc5 51. Rxe5 d3 52. Bd1 Rb4 53. d6 Ne4+ 54. Kg2 Nxd6 55. Raxc5 Ne4 56. Rc6 Rf7 57. h5 g5 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "5"] [White "Webb, Simon"] [Black "Petrosian, Tigran V"] [Result "0-1"] [WhiteElo "2430"] [BlackElo "2645"] [ECO "A11"] 1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. O-O e5 7. d4 e4 8. Ne5 Bd6 9. Bf4 O-O 10. Nc3 Re8 11. Nxc6 bxc6 12. Bxd6 Qxd6 13. Rc1 h5 14. Qd2 h4 15. Qg5 h3 16. Bh1 Qb4 17. Qd2 Rb8 18. b3 Ng4 19. Qf4 Rb7 20. Nxe4 dxe4 21. Bxe4 Bd7 22. Rc5 Rb5 23. Bxc6 Rxc5 24. Bxd7 Qb7 25. f3 Qxd7 26. dxc5 Ne3 0-1

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "7"] [White "Petrosian, Tigran V"] [Black "Speelman, Jonathan S"] [Result "1/2-1/2"] [WhiteElo "2645"] [BlackElo "2395"] [ECO "E69"] 1. d4 g6 2. c4 Bg7 3. g3 d6 4. Nc3 Nd7 5. Nf3 e5 6. Bg2 c6 7. O-O Ngf6 8. e4 O-O 9. h3 Re8 10. Re1 a6 11. d5 cxd5 12. cxd5 b5 13. Bf1 Nb6 14. a3 Bd7 15. Kh2 Qc7 16. Bd3 Rec8 17. Qe2 Qb7 18. Nd2 Rc7 19. Nf1 Qc8 20. g4 Be8 21. Be3 Nfd7 22. Nd2 Nc5 23. Rec1 Rb8 24. b4 Nxd3 25. Qxd3 Na4 26. Ne2 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "8"] [White "Sax, Gyula"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [WhiteElo "2565"] [BlackElo "2645"] [ECO "C02"] 1. e4 e6 2. d4 d5 3. e5 Ne7 4. Nf3 b6 5. c3 Qd7 6. a4 a5 7. b3 Ba6 8. Bxa6 Nxa6 9. O-O c5 10. Na3 Nc6 11. Nb5 Be7 12. Ng5 h6 13. Qh5 g6 14. Qh3 cxd4 15. cxd4 Nc7 16. Nxc7+ Qxc7 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "9"] [White "Petrosian, Tigran V"] [Black "Dzindzichashvili, Roman"] [Result "1/2-1/2"] [WhiteElo "2645"] [BlackElo "2535"] [ECO "E19"] 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 Bf6 10. Rd1 Be4 11. Be3 Nc6 12. Rac1 Ne7 13. Bg5 Bxf3 14. Bxf6 Bxg2 15. Bxe7 Qxe7 16. Kxg2 c6 17. Qf3 Rac8 18. Rc3 d6 19. e4 Rfd8 20. a3 Qd7 21. b4 h6 22. Re3 d5 23. exd5 cxd5 24. c5 bxc5 25. dxc5 a5 26. h4 Rb8 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "10"] [White "Fedorowicz, John P"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [WhiteElo "2440"] [BlackElo "2645"] [ECO "B81"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6 7. g5 Nfd7 8. Be3 b5 9. a3 Bb7 10. Qg4 Nc6 11. O-O-O Nce5 12. Qh3 g6 13. f4 Nc6 14. Rg1 Qc8 15. f5 Nc5 16. fxe6 fxe6 17. Bxb5 axb5 18. Ndxb5 Nd8 19. Rgf1 Be7 20. Qh6 Nf7 21. Qg7 Rf8 22. Qxh7 Nxe4 23. Rxf7 Rxf7 24. Qg8+ Rf8 25. Qxg6+ Kd7 26. Nxe4 Bxe4 27. Qxe4 Qc6 28. Qxc6+ Kxc6 29. Nd4+ Kd7 30. h4 d5 31. h5 e5 32. Nb3 Rf3 33. Bd2 Rh3 34. h6 Rg8 35. Kb1 Ke6 36. Re1 Bxg5 37. Nd4+ Kd7 38. h7 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "11"] [White "Petrosian, Tigran V"] [Black "Tarjan, James Edward"] [Result "1-0"] [WhiteElo "2645"] [BlackElo "2495"] [ECO "A16"] 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. Qa4+ Bd7 5. Qb3 dxc4 6. Qxc4 Bg7 7. g3 O-O 8. Bg2 Nc6 9. O-O Bg4 10. Qa4 Qd7 11. Ng5 Rab8 12. d3 Nd4 13. Qxd7 Bxd7 14. Bf4 Rfc8 15. Nf3 Nh5 16. Bg5 e5 17. Rfc1 Kf8 18. Nd2 Nf6 19. h3 Ne8 20. Nb3 c5 21. Nxd4 cxd4 22. Nd5 f6 23. Bd2 Kf7 24. e3 Bf8 25. exd4 exd4 26. Nf4 f5 27. Ne2 Bb5 28. Rxc8 Rxc8 29. Nxd4 Bxd3 30. Bxb7 Rd8 31. Nc6 Rd5 32. Nb4 Rb5 33. Bd5+ Kg7 34. Bc6 Rb6 35. Bc3+ Kh6 36. Nxd3 Rxc6 37. Re1 Nf6 38. Rc1 Ra6 39. Bd2+ g5 40. h4 Ne4 41. hxg5+ Kh5 42. Be3 Rxa2 43. Kg2 Kg6 44. Rc7 Bd6 45. Rc6 1-0

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "12"] [White "Hort, Vlastimil"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [WhiteElo "2620"] [BlackElo "2645"] [ECO "C01"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 c6 6. Ne2 Ne7 7. Bf4 O-O 8. O-O Bf5 9. Bxd6 Qxd6 10. Ng3 Bxd3 11. Qxd3 Nd7 12. Nd2 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "13"] [White "Petrosian, Tigran V"] [Black "Nunn, John DM"] [Result "1-0"] [WhiteElo "2645"] [BlackElo "2410"] [ECO "A61"] 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. Nc4 O-O 9. Bg5 h6 10. Bf4 b6 11. Bxd6 Re8 12. Bg3 Ne4 13. Nxe4 Rxe4 14. e3 b5 15. Nd2 Rb4 16. b3 Bxa1 17. Qxa1 Qxd5 18. a3 Rg4 19. Be2 Nc6 20. Bf3 Qe6 21. Bxg4 Qxg4 22. O-O Bb7 23. f3 Qe6 24. Ne4 Rd8 25. Nxc5 Qxe3+ 26. Bf2 Qe7 27. Re1 Qc7 28. h4 h5 29. Ne4 Ne7 30. Nf6+ Kf8 31. b4 Bc8 32. Nxh5 gxh5 33. Qh8+ Ng8 34. Bc5+ Rd6 35. Qe5 1-0

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "14"] [White "Mestel, A Jonathan"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [WhiteElo "2420"] [BlackElo "2645"] [ECO "C01"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 c6 6. Nf3 Qc7 7. Bg5 Ne7 8. Bh4 Ng6 9. Qe2+ Kf8 10. Bg3 Bg4 11. Nbd2 Nd7 12. O-O-O Nf4 13. Qf1 Re8 14. Re1 Rxe1+ 15. Nxe1 g6 16. Bxf4 Bxf4 17. f3 Be6 18. g3 1/2-1/2

[Event "Hastings7778"] [Site "Hastings"] [Date "1977.??.??"] [Round "15"] [White "Petrosian, Tigran V"] [Black "Shamkovich, Leonid"] [Result "1/2-1/2"] [WhiteElo "2645"] [BlackElo "2485"] [ECO "D14"] 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rac1 Rac8 13. h3 Rfd8 14. Rfd1 h6 1/2-1/2